1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * met: |
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10 | * |
9 | * |
11 | * * Redistributions of source code must retain the above copyright |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
12 | * notice, this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
13 | * |
12 | * |
14 | * * Redistributions in binary form must reproduce the above |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
15 | * copyright notice, this list of conditions and the following |
14 | * notice, this list of conditions and the following disclaimer in the |
16 | * disclaimer in the documentation and/or other materials provided |
15 | * documentation and/or other materials provided with the distribution. |
17 | * with the distribution. |
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18 | * |
16 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | * Alternatively, the contents of this file may be used under the terms of |
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29 | * the GNU General Public License ("GPL") version 2 or any later version, |
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30 | * in which case the provisions of the GPL are applicable instead of |
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31 | * the above. If you wish to allow the use of your version of this file |
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32 | * only under the terms of the GPL and not to allow others to use your |
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33 | * version of this file under the BSD license, indicate your decision |
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34 | * by deleting the provisions above and replace them with the notice |
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35 | * and other provisions required by the GPL. If you do not delete the |
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36 | * provisions above, a recipient may use your version of this file under |
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37 | * either the BSD or the GPL. |
30 | */ |
38 | */ |
31 | |
39 | |
32 | #ifdef __cplusplus |
40 | /* this big block deduces configuration from config.h */ |
33 | extern "C" { |
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34 | #endif |
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35 | |
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36 | #ifndef EV_STANDALONE |
41 | #ifndef EV_STANDALONE |
37 | # ifdef EV_CONFIG_H |
42 | # ifdef EV_CONFIG_H |
38 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
39 | # else |
44 | # else |
40 | # include "config.h" |
45 | # include "config.h" |
41 | # endif |
46 | # endif |
42 | |
47 | |
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48 | #if HAVE_FLOOR |
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49 | # ifndef EV_USE_FLOOR |
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50 | # define EV_USE_FLOOR 1 |
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51 | # endif |
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52 | #endif |
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53 | |
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54 | # if HAVE_CLOCK_SYSCALL |
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55 | # ifndef EV_USE_CLOCK_SYSCALL |
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56 | # define EV_USE_CLOCK_SYSCALL 1 |
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57 | # ifndef EV_USE_REALTIME |
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58 | # define EV_USE_REALTIME 0 |
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59 | # endif |
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60 | # ifndef EV_USE_MONOTONIC |
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61 | # define EV_USE_MONOTONIC 1 |
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62 | # endif |
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63 | # endif |
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64 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
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65 | # define EV_USE_CLOCK_SYSCALL 0 |
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66 | # endif |
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67 | |
43 | # if HAVE_CLOCK_GETTIME |
68 | # if HAVE_CLOCK_GETTIME |
44 | # ifndef EV_USE_MONOTONIC |
69 | # ifndef EV_USE_MONOTONIC |
45 | # define EV_USE_MONOTONIC 1 |
70 | # define EV_USE_MONOTONIC 1 |
46 | # endif |
71 | # endif |
47 | # ifndef EV_USE_REALTIME |
72 | # ifndef EV_USE_REALTIME |
48 | # define EV_USE_REALTIME 1 |
73 | # define EV_USE_REALTIME 0 |
49 | # endif |
74 | # endif |
50 | # else |
75 | # else |
51 | # ifndef EV_USE_MONOTONIC |
76 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
77 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
78 | # endif |
54 | # ifndef EV_USE_REALTIME |
79 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
80 | # define EV_USE_REALTIME 0 |
56 | # endif |
81 | # endif |
57 | # endif |
82 | # endif |
58 | |
83 | |
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84 | # if HAVE_NANOSLEEP |
59 | # ifndef EV_USE_SELECT |
85 | # ifndef EV_USE_NANOSLEEP |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
86 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
61 | # define EV_USE_SELECT 1 |
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62 | # else |
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63 | # define EV_USE_SELECT 0 |
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64 | # endif |
87 | # endif |
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88 | # else |
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89 | # undef EV_USE_NANOSLEEP |
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90 | # define EV_USE_NANOSLEEP 0 |
65 | # endif |
91 | # endif |
66 | |
92 | |
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93 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
67 | # ifndef EV_USE_POLL |
94 | # ifndef EV_USE_SELECT |
68 | # if HAVE_POLL && HAVE_POLL_H |
95 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
69 | # define EV_USE_POLL 1 |
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70 | # else |
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71 | # define EV_USE_POLL 0 |
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72 | # endif |
96 | # endif |
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97 | # else |
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98 | # undef EV_USE_SELECT |
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99 | # define EV_USE_SELECT 0 |
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100 | # endif |
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101 | |
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102 | # if HAVE_POLL && HAVE_POLL_H |
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103 | # ifndef EV_USE_POLL |
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104 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
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105 | # endif |
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106 | # else |
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107 | # undef EV_USE_POLL |
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108 | # define EV_USE_POLL 0 |
73 | # endif |
109 | # endif |
74 | |
110 | |
75 | # ifndef EV_USE_EPOLL |
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76 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
111 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
77 | # define EV_USE_EPOLL 1 |
112 | # ifndef EV_USE_EPOLL |
78 | # else |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
79 | # define EV_USE_EPOLL 0 |
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80 | # endif |
114 | # endif |
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115 | # else |
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116 | # undef EV_USE_EPOLL |
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117 | # define EV_USE_EPOLL 0 |
81 | # endif |
118 | # endif |
82 | |
119 | |
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120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
83 | # ifndef EV_USE_KQUEUE |
121 | # ifndef EV_USE_KQUEUE |
84 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
85 | # define EV_USE_KQUEUE 1 |
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86 | # else |
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87 | # define EV_USE_KQUEUE 0 |
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88 | # endif |
123 | # endif |
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124 | # else |
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125 | # undef EV_USE_KQUEUE |
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126 | # define EV_USE_KQUEUE 0 |
89 | # endif |
127 | # endif |
90 | |
128 | |
91 | # ifndef EV_USE_PORT |
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92 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
129 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
93 | # define EV_USE_PORT 1 |
130 | # ifndef EV_USE_PORT |
94 | # else |
131 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
95 | # define EV_USE_PORT 0 |
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96 | # endif |
132 | # endif |
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133 | # else |
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134 | # undef EV_USE_PORT |
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135 | # define EV_USE_PORT 0 |
97 | # endif |
136 | # endif |
98 | |
137 | |
99 | # ifndef EV_USE_INOTIFY |
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100 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
138 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
101 | # define EV_USE_INOTIFY 1 |
139 | # ifndef EV_USE_INOTIFY |
102 | # else |
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103 | # define EV_USE_INOTIFY 0 |
140 | # define EV_USE_INOTIFY EV_FEATURE_OS |
104 | # endif |
141 | # endif |
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142 | # else |
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143 | # undef EV_USE_INOTIFY |
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144 | # define EV_USE_INOTIFY 0 |
105 | # endif |
145 | # endif |
106 | |
146 | |
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147 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
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148 | # ifndef EV_USE_SIGNALFD |
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149 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
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150 | # endif |
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151 | # else |
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152 | # undef EV_USE_SIGNALFD |
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153 | # define EV_USE_SIGNALFD 0 |
107 | #endif |
154 | # endif |
108 | |
155 | |
109 | #include <math.h> |
156 | # if HAVE_EVENTFD |
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157 | # ifndef EV_USE_EVENTFD |
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158 | # define EV_USE_EVENTFD EV_FEATURE_OS |
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159 | # endif |
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160 | # else |
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161 | # undef EV_USE_EVENTFD |
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162 | # define EV_USE_EVENTFD 0 |
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163 | # endif |
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164 | |
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165 | #endif |
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166 | |
110 | #include <stdlib.h> |
167 | #include <stdlib.h> |
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168 | #include <string.h> |
111 | #include <fcntl.h> |
169 | #include <fcntl.h> |
112 | #include <stddef.h> |
170 | #include <stddef.h> |
113 | |
171 | |
114 | #include <stdio.h> |
172 | #include <stdio.h> |
115 | |
173 | |
116 | #include <assert.h> |
174 | #include <assert.h> |
117 | #include <errno.h> |
175 | #include <errno.h> |
118 | #include <sys/types.h> |
176 | #include <sys/types.h> |
119 | #include <time.h> |
177 | #include <time.h> |
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178 | #include <limits.h> |
120 | |
179 | |
121 | #include <signal.h> |
180 | #include <signal.h> |
122 | |
181 | |
123 | #ifdef EV_H |
182 | #ifdef EV_H |
124 | # include EV_H |
183 | # include EV_H |
… | |
… | |
129 | #ifndef _WIN32 |
188 | #ifndef _WIN32 |
130 | # include <sys/time.h> |
189 | # include <sys/time.h> |
131 | # include <sys/wait.h> |
190 | # include <sys/wait.h> |
132 | # include <unistd.h> |
191 | # include <unistd.h> |
133 | #else |
192 | #else |
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193 | # include <io.h> |
134 | # define WIN32_LEAN_AND_MEAN |
194 | # define WIN32_LEAN_AND_MEAN |
135 | # include <windows.h> |
195 | # include <windows.h> |
136 | # ifndef EV_SELECT_IS_WINSOCKET |
196 | # ifndef EV_SELECT_IS_WINSOCKET |
137 | # define EV_SELECT_IS_WINSOCKET 1 |
197 | # define EV_SELECT_IS_WINSOCKET 1 |
138 | # endif |
198 | # endif |
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199 | # undef EV_AVOID_STDIO |
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200 | #endif |
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201 | |
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202 | /* OS X, in its infinite idiocy, actually HARDCODES |
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203 | * a limit of 1024 into their select. Where people have brains, |
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204 | * OS X engineers apparently have a vacuum. Or maybe they were |
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205 | * ordered to have a vacuum, or they do anything for money. |
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206 | * This might help. Or not. |
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207 | */ |
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208 | #define _DARWIN_UNLIMITED_SELECT 1 |
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209 | |
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210 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
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211 | |
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212 | /* try to deduce the maximum number of signals on this platform */ |
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213 | #if defined (EV_NSIG) |
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214 | /* use what's provided */ |
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215 | #elif defined (NSIG) |
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216 | # define EV_NSIG (NSIG) |
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217 | #elif defined(_NSIG) |
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218 | # define EV_NSIG (_NSIG) |
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219 | #elif defined (SIGMAX) |
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220 | # define EV_NSIG (SIGMAX+1) |
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221 | #elif defined (SIG_MAX) |
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222 | # define EV_NSIG (SIG_MAX+1) |
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223 | #elif defined (_SIG_MAX) |
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224 | # define EV_NSIG (_SIG_MAX+1) |
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225 | #elif defined (MAXSIG) |
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226 | # define EV_NSIG (MAXSIG+1) |
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227 | #elif defined (MAX_SIG) |
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228 | # define EV_NSIG (MAX_SIG+1) |
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229 | #elif defined (SIGARRAYSIZE) |
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230 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
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231 | #elif defined (_sys_nsig) |
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232 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
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233 | #else |
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234 | # error "unable to find value for NSIG, please report" |
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235 | /* to make it compile regardless, just remove the above line, */ |
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236 | /* but consider reporting it, too! :) */ |
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237 | # define EV_NSIG 65 |
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238 | #endif |
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239 | |
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240 | #ifndef EV_USE_FLOOR |
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241 | # define EV_USE_FLOOR 0 |
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242 | #endif |
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243 | |
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244 | #ifndef EV_USE_CLOCK_SYSCALL |
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245 | # if __linux && __GLIBC__ >= 2 |
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246 | # define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS |
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247 | # else |
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248 | # define EV_USE_CLOCK_SYSCALL 0 |
139 | #endif |
249 | # endif |
140 | |
250 | #endif |
141 | /**/ |
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142 | |
251 | |
143 | #ifndef EV_USE_MONOTONIC |
252 | #ifndef EV_USE_MONOTONIC |
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253 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
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254 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
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255 | # else |
144 | # define EV_USE_MONOTONIC 0 |
256 | # define EV_USE_MONOTONIC 0 |
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257 | # endif |
145 | #endif |
258 | #endif |
146 | |
259 | |
147 | #ifndef EV_USE_REALTIME |
260 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
261 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
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262 | #endif |
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263 | |
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264 | #ifndef EV_USE_NANOSLEEP |
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265 | # if _POSIX_C_SOURCE >= 199309L |
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266 | # define EV_USE_NANOSLEEP EV_FEATURE_OS |
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267 | # else |
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268 | # define EV_USE_NANOSLEEP 0 |
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269 | # endif |
149 | #endif |
270 | #endif |
150 | |
271 | |
151 | #ifndef EV_USE_SELECT |
272 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
273 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
153 | #endif |
274 | #endif |
154 | |
275 | |
155 | #ifndef EV_USE_POLL |
276 | #ifndef EV_USE_POLL |
156 | # ifdef _WIN32 |
277 | # ifdef _WIN32 |
157 | # define EV_USE_POLL 0 |
278 | # define EV_USE_POLL 0 |
158 | # else |
279 | # else |
159 | # define EV_USE_POLL 1 |
280 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
160 | # endif |
281 | # endif |
161 | #endif |
282 | #endif |
162 | |
283 | |
163 | #ifndef EV_USE_EPOLL |
284 | #ifndef EV_USE_EPOLL |
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285 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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286 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
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287 | # else |
164 | # define EV_USE_EPOLL 0 |
288 | # define EV_USE_EPOLL 0 |
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289 | # endif |
165 | #endif |
290 | #endif |
166 | |
291 | |
167 | #ifndef EV_USE_KQUEUE |
292 | #ifndef EV_USE_KQUEUE |
168 | # define EV_USE_KQUEUE 0 |
293 | # define EV_USE_KQUEUE 0 |
169 | #endif |
294 | #endif |
… | |
… | |
171 | #ifndef EV_USE_PORT |
296 | #ifndef EV_USE_PORT |
172 | # define EV_USE_PORT 0 |
297 | # define EV_USE_PORT 0 |
173 | #endif |
298 | #endif |
174 | |
299 | |
175 | #ifndef EV_USE_INOTIFY |
300 | #ifndef EV_USE_INOTIFY |
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301 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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302 | # define EV_USE_INOTIFY EV_FEATURE_OS |
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303 | # else |
176 | # define EV_USE_INOTIFY 0 |
304 | # define EV_USE_INOTIFY 0 |
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305 | # endif |
177 | #endif |
306 | #endif |
178 | |
307 | |
179 | #ifndef EV_PID_HASHSIZE |
308 | #ifndef EV_PID_HASHSIZE |
180 | # if EV_MINIMAL |
309 | # define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
181 | # define EV_PID_HASHSIZE 1 |
310 | #endif |
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311 | |
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312 | #ifndef EV_INOTIFY_HASHSIZE |
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313 | # define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1 |
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314 | #endif |
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315 | |
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316 | #ifndef EV_USE_EVENTFD |
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317 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
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318 | # define EV_USE_EVENTFD EV_FEATURE_OS |
182 | # else |
319 | # else |
183 | # define EV_PID_HASHSIZE 16 |
320 | # define EV_USE_EVENTFD 0 |
184 | # endif |
321 | # endif |
185 | #endif |
322 | #endif |
186 | |
323 | |
187 | #ifndef EV_INOTIFY_HASHSIZE |
324 | #ifndef EV_USE_SIGNALFD |
188 | # if EV_MINIMAL |
325 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
189 | # define EV_INOTIFY_HASHSIZE 1 |
326 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
190 | # else |
327 | # else |
191 | # define EV_INOTIFY_HASHSIZE 16 |
328 | # define EV_USE_SIGNALFD 0 |
192 | # endif |
329 | # endif |
193 | #endif |
330 | #endif |
194 | |
331 | |
195 | /**/ |
332 | #if 0 /* debugging */ |
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333 | # define EV_VERIFY 3 |
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334 | # define EV_USE_4HEAP 1 |
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335 | # define EV_HEAP_CACHE_AT 1 |
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336 | #endif |
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337 | |
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338 | #ifndef EV_VERIFY |
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339 | # define EV_VERIFY (EV_FEATURE_API ? 1 : 0) |
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340 | #endif |
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341 | |
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342 | #ifndef EV_USE_4HEAP |
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343 | # define EV_USE_4HEAP EV_FEATURE_DATA |
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344 | #endif |
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345 | |
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346 | #ifndef EV_HEAP_CACHE_AT |
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347 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
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348 | #endif |
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349 | |
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350 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
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351 | /* which makes programs even slower. might work on other unices, too. */ |
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352 | #if EV_USE_CLOCK_SYSCALL |
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353 | # include <syscall.h> |
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354 | # ifdef SYS_clock_gettime |
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355 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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356 | # undef EV_USE_MONOTONIC |
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357 | # define EV_USE_MONOTONIC 1 |
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358 | # else |
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359 | # undef EV_USE_CLOCK_SYSCALL |
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360 | # define EV_USE_CLOCK_SYSCALL 0 |
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361 | # endif |
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362 | #endif |
|
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363 | |
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364 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
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365 | |
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366 | #ifdef _AIX |
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367 | /* AIX has a completely broken poll.h header */ |
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368 | # undef EV_USE_POLL |
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369 | # define EV_USE_POLL 0 |
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370 | #endif |
196 | |
371 | |
197 | #ifndef CLOCK_MONOTONIC |
372 | #ifndef CLOCK_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
373 | # undef EV_USE_MONOTONIC |
199 | # define EV_USE_MONOTONIC 0 |
374 | # define EV_USE_MONOTONIC 0 |
200 | #endif |
375 | #endif |
… | |
… | |
207 | #if !EV_STAT_ENABLE |
382 | #if !EV_STAT_ENABLE |
208 | # undef EV_USE_INOTIFY |
383 | # undef EV_USE_INOTIFY |
209 | # define EV_USE_INOTIFY 0 |
384 | # define EV_USE_INOTIFY 0 |
210 | #endif |
385 | #endif |
211 | |
386 | |
|
|
387 | #if !EV_USE_NANOSLEEP |
|
|
388 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
|
|
389 | # if !defined(_WIN32) && !defined(__hpux) |
|
|
390 | # include <sys/select.h> |
|
|
391 | # endif |
|
|
392 | #endif |
|
|
393 | |
212 | #if EV_USE_INOTIFY |
394 | #if EV_USE_INOTIFY |
|
|
395 | # include <sys/statfs.h> |
213 | # include <sys/inotify.h> |
396 | # include <sys/inotify.h> |
|
|
397 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
|
|
398 | # ifndef IN_DONT_FOLLOW |
|
|
399 | # undef EV_USE_INOTIFY |
|
|
400 | # define EV_USE_INOTIFY 0 |
|
|
401 | # endif |
214 | #endif |
402 | #endif |
215 | |
403 | |
216 | #if EV_SELECT_IS_WINSOCKET |
404 | #if EV_SELECT_IS_WINSOCKET |
217 | # include <winsock.h> |
405 | # include <winsock.h> |
218 | #endif |
406 | #endif |
219 | |
407 | |
|
|
408 | #if EV_USE_EVENTFD |
|
|
409 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
410 | # include <stdint.h> |
|
|
411 | # ifndef EFD_NONBLOCK |
|
|
412 | # define EFD_NONBLOCK O_NONBLOCK |
|
|
413 | # endif |
|
|
414 | # ifndef EFD_CLOEXEC |
|
|
415 | # ifdef O_CLOEXEC |
|
|
416 | # define EFD_CLOEXEC O_CLOEXEC |
|
|
417 | # else |
|
|
418 | # define EFD_CLOEXEC 02000000 |
|
|
419 | # endif |
|
|
420 | # endif |
|
|
421 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
|
|
422 | #endif |
|
|
423 | |
|
|
424 | #if EV_USE_SIGNALFD |
|
|
425 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
|
|
426 | # include <stdint.h> |
|
|
427 | # ifndef SFD_NONBLOCK |
|
|
428 | # define SFD_NONBLOCK O_NONBLOCK |
|
|
429 | # endif |
|
|
430 | # ifndef SFD_CLOEXEC |
|
|
431 | # ifdef O_CLOEXEC |
|
|
432 | # define SFD_CLOEXEC O_CLOEXEC |
|
|
433 | # else |
|
|
434 | # define SFD_CLOEXEC 02000000 |
|
|
435 | # endif |
|
|
436 | # endif |
|
|
437 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
|
|
438 | |
|
|
439 | struct signalfd_siginfo |
|
|
440 | { |
|
|
441 | uint32_t ssi_signo; |
|
|
442 | char pad[128 - sizeof (uint32_t)]; |
|
|
443 | }; |
|
|
444 | #endif |
|
|
445 | |
220 | /**/ |
446 | /**/ |
221 | |
447 | |
|
|
448 | #if EV_VERIFY >= 3 |
|
|
449 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
|
|
450 | #else |
|
|
451 | # define EV_FREQUENT_CHECK do { } while (0) |
|
|
452 | #endif |
|
|
453 | |
222 | /* |
454 | /* |
223 | * This is used to avoid floating point rounding problems. |
455 | * This is used to work around floating point rounding problems. |
224 | * It is added to ev_rt_now when scheduling periodics |
|
|
225 | * to ensure progress, time-wise, even when rounding |
|
|
226 | * errors are against us. |
|
|
227 | * This value is good at least till the year 4000. |
456 | * This value is good at least till the year 4000. |
228 | * Better solutions welcome. |
|
|
229 | */ |
457 | */ |
230 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
458 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
|
|
459 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
231 | |
460 | |
232 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
461 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
233 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
462 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
234 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
235 | |
463 | |
|
|
464 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
465 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
466 | |
|
|
467 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
|
|
468 | /* ECB.H BEGIN */ |
|
|
469 | /* |
|
|
470 | * libecb - http://software.schmorp.de/pkg/libecb |
|
|
471 | * |
|
|
472 | * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de> |
|
|
473 | * Copyright (©) 2011 Emanuele Giaquinta |
|
|
474 | * All rights reserved. |
|
|
475 | * |
|
|
476 | * Redistribution and use in source and binary forms, with or without modifica- |
|
|
477 | * tion, are permitted provided that the following conditions are met: |
|
|
478 | * |
|
|
479 | * 1. Redistributions of source code must retain the above copyright notice, |
|
|
480 | * this list of conditions and the following disclaimer. |
|
|
481 | * |
|
|
482 | * 2. Redistributions in binary form must reproduce the above copyright |
|
|
483 | * notice, this list of conditions and the following disclaimer in the |
|
|
484 | * documentation and/or other materials provided with the distribution. |
|
|
485 | * |
|
|
486 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
|
|
487 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
|
|
488 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
|
|
489 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
|
|
490 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
|
|
491 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
|
|
492 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|
|
493 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
|
|
494 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|
|
495 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
|
|
496 | */ |
|
|
497 | |
|
|
498 | #ifndef ECB_H |
|
|
499 | #define ECB_H |
|
|
500 | |
|
|
501 | #ifdef _WIN32 |
|
|
502 | typedef signed char int8_t; |
|
|
503 | typedef unsigned char uint8_t; |
|
|
504 | typedef signed short int16_t; |
|
|
505 | typedef unsigned short uint16_t; |
|
|
506 | typedef signed int int32_t; |
|
|
507 | typedef unsigned int uint32_t; |
236 | #if __GNUC__ >= 4 |
508 | #if __GNUC__ |
237 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
509 | typedef signed long long int64_t; |
238 | # define noinline __attribute__ ((noinline)) |
510 | typedef unsigned long long uint64_t; |
|
|
511 | #else /* _MSC_VER || __BORLANDC__ */ |
|
|
512 | typedef signed __int64 int64_t; |
|
|
513 | typedef unsigned __int64 uint64_t; |
|
|
514 | #endif |
239 | #else |
515 | #else |
240 | # define expect(expr,value) (expr) |
516 | #include <inttypes.h> |
241 | # define noinline |
|
|
242 | # if __STDC_VERSION__ < 199901L |
|
|
243 | # define inline |
|
|
244 | # endif |
517 | #endif |
|
|
518 | |
|
|
519 | /* many compilers define _GNUC_ to some versions but then only implement |
|
|
520 | * what their idiot authors think are the "more important" extensions, |
|
|
521 | * causing enormous grief in return for some better fake benchmark numbers. |
|
|
522 | * or so. |
|
|
523 | * we try to detect these and simply assume they are not gcc - if they have |
|
|
524 | * an issue with that they should have done it right in the first place. |
|
|
525 | */ |
|
|
526 | #ifndef ECB_GCC_VERSION |
|
|
527 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
|
|
528 | #define ECB_GCC_VERSION(major,minor) 0 |
|
|
529 | #else |
|
|
530 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
245 | #endif |
531 | #endif |
|
|
532 | #endif |
246 | |
533 | |
|
|
534 | /*****************************************************************************/ |
|
|
535 | |
|
|
536 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
|
|
537 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
|
|
538 | |
|
|
539 | #if ECB_NO_THREADS || ECB_NO_SMP |
|
|
540 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
541 | #endif |
|
|
542 | |
|
|
543 | #ifndef ECB_MEMORY_FENCE |
|
|
544 | #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) |
|
|
545 | #if __i386__ |
|
|
546 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
|
|
547 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
|
|
548 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
|
|
549 | #elif __amd64 |
|
|
550 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
|
|
551 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
|
|
552 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
|
|
553 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
|
|
554 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
555 | #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ |
|
|
556 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) |
|
|
557 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
|
|
558 | #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ |
|
|
559 | || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) |
|
|
560 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
561 | #endif |
|
|
562 | #endif |
|
|
563 | #endif |
|
|
564 | |
|
|
565 | #ifndef ECB_MEMORY_FENCE |
|
|
566 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) |
|
|
567 | #define ECB_MEMORY_FENCE __sync_synchronize () |
|
|
568 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
|
|
569 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
|
|
570 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
|
|
571 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
|
|
572 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
|
|
573 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
|
|
574 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
|
|
575 | #elif defined(_WIN32) |
|
|
576 | #include <WinNT.h> |
|
|
577 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
|
|
578 | #endif |
|
|
579 | #endif |
|
|
580 | |
|
|
581 | #ifndef ECB_MEMORY_FENCE |
|
|
582 | #if !ECB_AVOID_PTHREADS |
|
|
583 | /* |
|
|
584 | * if you get undefined symbol references to pthread_mutex_lock, |
|
|
585 | * or failure to find pthread.h, then you should implement |
|
|
586 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
|
|
587 | * OR provide pthread.h and link against the posix thread library |
|
|
588 | * of your system. |
|
|
589 | */ |
|
|
590 | #include <pthread.h> |
|
|
591 | #define ECB_NEEDS_PTHREADS 1 |
|
|
592 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
|
|
593 | |
|
|
594 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
|
|
595 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
|
|
596 | #endif |
|
|
597 | #endif |
|
|
598 | |
|
|
599 | #if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) |
|
|
600 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
601 | #endif |
|
|
602 | |
|
|
603 | #if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) |
|
|
604 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
605 | #endif |
|
|
606 | |
|
|
607 | /*****************************************************************************/ |
|
|
608 | |
|
|
609 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
610 | |
|
|
611 | #if __cplusplus |
|
|
612 | #define ecb_inline static inline |
|
|
613 | #elif ECB_GCC_VERSION(2,5) |
|
|
614 | #define ecb_inline static __inline__ |
|
|
615 | #elif ECB_C99 |
|
|
616 | #define ecb_inline static inline |
|
|
617 | #else |
|
|
618 | #define ecb_inline static |
|
|
619 | #endif |
|
|
620 | |
|
|
621 | #if ECB_GCC_VERSION(3,3) |
|
|
622 | #define ecb_restrict __restrict__ |
|
|
623 | #elif ECB_C99 |
|
|
624 | #define ecb_restrict restrict |
|
|
625 | #else |
|
|
626 | #define ecb_restrict |
|
|
627 | #endif |
|
|
628 | |
|
|
629 | typedef int ecb_bool; |
|
|
630 | |
|
|
631 | #define ECB_CONCAT_(a, b) a ## b |
|
|
632 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
|
|
633 | #define ECB_STRINGIFY_(a) # a |
|
|
634 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
635 | |
|
|
636 | #define ecb_function_ ecb_inline |
|
|
637 | |
|
|
638 | #if ECB_GCC_VERSION(3,1) |
|
|
639 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
|
|
640 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
641 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
642 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
|
|
643 | #else |
|
|
644 | #define ecb_attribute(attrlist) |
|
|
645 | #define ecb_is_constant(expr) 0 |
|
|
646 | #define ecb_expect(expr,value) (expr) |
|
|
647 | #define ecb_prefetch(addr,rw,locality) |
|
|
648 | #endif |
|
|
649 | |
|
|
650 | /* no emulation for ecb_decltype */ |
|
|
651 | #if ECB_GCC_VERSION(4,5) |
|
|
652 | #define ecb_decltype(x) __decltype(x) |
|
|
653 | #elif ECB_GCC_VERSION(3,0) |
|
|
654 | #define ecb_decltype(x) __typeof(x) |
|
|
655 | #endif |
|
|
656 | |
|
|
657 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
658 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
659 | #define ecb_unused ecb_attribute ((__unused__)) |
|
|
660 | #define ecb_const ecb_attribute ((__const__)) |
|
|
661 | #define ecb_pure ecb_attribute ((__pure__)) |
|
|
662 | |
|
|
663 | #if ECB_GCC_VERSION(4,3) |
|
|
664 | #define ecb_artificial ecb_attribute ((__artificial__)) |
|
|
665 | #define ecb_hot ecb_attribute ((__hot__)) |
|
|
666 | #define ecb_cold ecb_attribute ((__cold__)) |
|
|
667 | #else |
|
|
668 | #define ecb_artificial |
|
|
669 | #define ecb_hot |
|
|
670 | #define ecb_cold |
|
|
671 | #endif |
|
|
672 | |
|
|
673 | /* put around conditional expressions if you are very sure that the */ |
|
|
674 | /* expression is mostly true or mostly false. note that these return */ |
|
|
675 | /* booleans, not the expression. */ |
247 | #define expect_false(expr) expect ((expr) != 0, 0) |
676 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
248 | #define expect_true(expr) expect ((expr) != 0, 1) |
677 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
|
|
678 | /* for compatibility to the rest of the world */ |
|
|
679 | #define ecb_likely(expr) ecb_expect_true (expr) |
|
|
680 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
|
|
681 | |
|
|
682 | /* count trailing zero bits and count # of one bits */ |
|
|
683 | #if ECB_GCC_VERSION(3,4) |
|
|
684 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
|
|
685 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
|
|
686 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
|
|
687 | #define ecb_ctz32(x) __builtin_ctz (x) |
|
|
688 | #define ecb_ctz64(x) __builtin_ctzll (x) |
|
|
689 | #define ecb_popcount32(x) __builtin_popcount (x) |
|
|
690 | /* no popcountll */ |
|
|
691 | #else |
|
|
692 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
|
|
693 | ecb_function_ int |
|
|
694 | ecb_ctz32 (uint32_t x) |
|
|
695 | { |
|
|
696 | int r = 0; |
|
|
697 | |
|
|
698 | x &= ~x + 1; /* this isolates the lowest bit */ |
|
|
699 | |
|
|
700 | #if ECB_branchless_on_i386 |
|
|
701 | r += !!(x & 0xaaaaaaaa) << 0; |
|
|
702 | r += !!(x & 0xcccccccc) << 1; |
|
|
703 | r += !!(x & 0xf0f0f0f0) << 2; |
|
|
704 | r += !!(x & 0xff00ff00) << 3; |
|
|
705 | r += !!(x & 0xffff0000) << 4; |
|
|
706 | #else |
|
|
707 | if (x & 0xaaaaaaaa) r += 1; |
|
|
708 | if (x & 0xcccccccc) r += 2; |
|
|
709 | if (x & 0xf0f0f0f0) r += 4; |
|
|
710 | if (x & 0xff00ff00) r += 8; |
|
|
711 | if (x & 0xffff0000) r += 16; |
|
|
712 | #endif |
|
|
713 | |
|
|
714 | return r; |
|
|
715 | } |
|
|
716 | |
|
|
717 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
|
|
718 | ecb_function_ int |
|
|
719 | ecb_ctz64 (uint64_t x) |
|
|
720 | { |
|
|
721 | int shift = x & 0xffffffffU ? 0 : 32; |
|
|
722 | return ecb_ctz32 (x >> shift) + shift; |
|
|
723 | } |
|
|
724 | |
|
|
725 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
|
|
726 | ecb_function_ int |
|
|
727 | ecb_popcount32 (uint32_t x) |
|
|
728 | { |
|
|
729 | x -= (x >> 1) & 0x55555555; |
|
|
730 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
|
|
731 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
|
|
732 | x *= 0x01010101; |
|
|
733 | |
|
|
734 | return x >> 24; |
|
|
735 | } |
|
|
736 | |
|
|
737 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
|
|
738 | ecb_function_ int ecb_ld32 (uint32_t x) |
|
|
739 | { |
|
|
740 | int r = 0; |
|
|
741 | |
|
|
742 | if (x >> 16) { x >>= 16; r += 16; } |
|
|
743 | if (x >> 8) { x >>= 8; r += 8; } |
|
|
744 | if (x >> 4) { x >>= 4; r += 4; } |
|
|
745 | if (x >> 2) { x >>= 2; r += 2; } |
|
|
746 | if (x >> 1) { r += 1; } |
|
|
747 | |
|
|
748 | return r; |
|
|
749 | } |
|
|
750 | |
|
|
751 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
|
|
752 | ecb_function_ int ecb_ld64 (uint64_t x) |
|
|
753 | { |
|
|
754 | int r = 0; |
|
|
755 | |
|
|
756 | if (x >> 32) { x >>= 32; r += 32; } |
|
|
757 | |
|
|
758 | return r + ecb_ld32 (x); |
|
|
759 | } |
|
|
760 | #endif |
|
|
761 | |
|
|
762 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
|
|
763 | /* so for this version we are lazy */ |
|
|
764 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
|
|
765 | ecb_function_ int |
|
|
766 | ecb_popcount64 (uint64_t x) |
|
|
767 | { |
|
|
768 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
|
|
769 | } |
|
|
770 | |
|
|
771 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
|
|
772 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
|
|
773 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
|
|
774 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
|
|
775 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
|
|
776 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
|
|
777 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
|
|
778 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
|
|
779 | |
|
|
780 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
|
|
781 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
|
|
782 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
|
|
783 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
|
|
784 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
|
|
785 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
|
|
786 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
|
|
787 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
|
|
788 | |
|
|
789 | #if ECB_GCC_VERSION(4,3) |
|
|
790 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
791 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
|
|
792 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
793 | #else |
|
|
794 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
|
|
795 | ecb_function_ uint16_t |
|
|
796 | ecb_bswap16 (uint16_t x) |
|
|
797 | { |
|
|
798 | return ecb_rotl16 (x, 8); |
|
|
799 | } |
|
|
800 | |
|
|
801 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
|
|
802 | ecb_function_ uint32_t |
|
|
803 | ecb_bswap32 (uint32_t x) |
|
|
804 | { |
|
|
805 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
|
|
806 | } |
|
|
807 | |
|
|
808 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
|
|
809 | ecb_function_ uint64_t |
|
|
810 | ecb_bswap64 (uint64_t x) |
|
|
811 | { |
|
|
812 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
|
|
813 | } |
|
|
814 | #endif |
|
|
815 | |
|
|
816 | #if ECB_GCC_VERSION(4,5) |
|
|
817 | #define ecb_unreachable() __builtin_unreachable () |
|
|
818 | #else |
|
|
819 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
|
|
820 | ecb_function_ void ecb_unreachable (void) ecb_noreturn; |
|
|
821 | ecb_function_ void ecb_unreachable (void) { } |
|
|
822 | #endif |
|
|
823 | |
|
|
824 | /* try to tell the compiler that some condition is definitely true */ |
|
|
825 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
|
|
826 | |
|
|
827 | ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; |
|
|
828 | ecb_function_ unsigned char |
|
|
829 | ecb_byteorder_helper (void) |
|
|
830 | { |
|
|
831 | const uint32_t u = 0x11223344; |
|
|
832 | return *(unsigned char *)&u; |
|
|
833 | } |
|
|
834 | |
|
|
835 | ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; |
|
|
836 | ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
|
|
837 | ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; |
|
|
838 | ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
|
|
839 | |
|
|
840 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
|
|
841 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
|
|
842 | #else |
|
|
843 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
|
|
844 | #endif |
|
|
845 | |
|
|
846 | #if __cplusplus |
|
|
847 | template<typename T> |
|
|
848 | static inline T ecb_div_rd (T val, T div) |
|
|
849 | { |
|
|
850 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
|
|
851 | } |
|
|
852 | template<typename T> |
|
|
853 | static inline T ecb_div_ru (T val, T div) |
|
|
854 | { |
|
|
855 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
|
|
856 | } |
|
|
857 | #else |
|
|
858 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
859 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
|
|
860 | #endif |
|
|
861 | |
|
|
862 | #if ecb_cplusplus_does_not_suck |
|
|
863 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
864 | template<typename T, int N> |
|
|
865 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
866 | { |
|
|
867 | return N; |
|
|
868 | } |
|
|
869 | #else |
|
|
870 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
871 | #endif |
|
|
872 | |
|
|
873 | #endif |
|
|
874 | |
|
|
875 | /* ECB.H END */ |
|
|
876 | |
|
|
877 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
878 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
879 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
880 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
881 | * libev, in which casess the memory fences become nops. |
|
|
882 | * alternatively, you can remove this #error and link against libpthread, |
|
|
883 | * which will then provide the memory fences. |
|
|
884 | */ |
|
|
885 | # error "memory fences not defined for your architecture, please report" |
|
|
886 | #endif |
|
|
887 | |
|
|
888 | #ifndef ECB_MEMORY_FENCE |
|
|
889 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
890 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
891 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
892 | #endif |
|
|
893 | |
|
|
894 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
895 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
896 | #define noinline ecb_noinline |
|
|
897 | |
249 | #define inline_size static inline |
898 | #define inline_size ecb_inline |
250 | |
899 | |
251 | #if EV_MINIMAL |
900 | #if EV_FEATURE_CODE |
|
|
901 | # define inline_speed ecb_inline |
|
|
902 | #else |
252 | # define inline_speed static noinline |
903 | # define inline_speed static noinline |
|
|
904 | #endif |
|
|
905 | |
|
|
906 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
907 | |
|
|
908 | #if EV_MINPRI == EV_MAXPRI |
|
|
909 | # define ABSPRI(w) (((W)w), 0) |
253 | #else |
910 | #else |
254 | # define inline_speed static inline |
|
|
255 | #endif |
|
|
256 | |
|
|
257 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
|
|
258 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
911 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
|
|
912 | #endif |
259 | |
913 | |
260 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
914 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
261 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
915 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
262 | |
916 | |
263 | typedef ev_watcher *W; |
917 | typedef ev_watcher *W; |
264 | typedef ev_watcher_list *WL; |
918 | typedef ev_watcher_list *WL; |
265 | typedef ev_watcher_time *WT; |
919 | typedef ev_watcher_time *WT; |
266 | |
920 | |
|
|
921 | #define ev_active(w) ((W)(w))->active |
|
|
922 | #define ev_at(w) ((WT)(w))->at |
|
|
923 | |
|
|
924 | #if EV_USE_REALTIME |
|
|
925 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
|
|
926 | /* giving it a reasonably high chance of working on typical architectures */ |
|
|
927 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
|
|
928 | #endif |
|
|
929 | |
|
|
930 | #if EV_USE_MONOTONIC |
267 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
931 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
|
|
932 | #endif |
|
|
933 | |
|
|
934 | #ifndef EV_FD_TO_WIN32_HANDLE |
|
|
935 | # define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) |
|
|
936 | #endif |
|
|
937 | #ifndef EV_WIN32_HANDLE_TO_FD |
|
|
938 | # define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) |
|
|
939 | #endif |
|
|
940 | #ifndef EV_WIN32_CLOSE_FD |
|
|
941 | # define EV_WIN32_CLOSE_FD(fd) close (fd) |
|
|
942 | #endif |
268 | |
943 | |
269 | #ifdef _WIN32 |
944 | #ifdef _WIN32 |
270 | # include "ev_win32.c" |
945 | # include "ev_win32.c" |
271 | #endif |
946 | #endif |
272 | |
947 | |
273 | /*****************************************************************************/ |
948 | /*****************************************************************************/ |
274 | |
949 | |
|
|
950 | /* define a suitable floor function (only used by periodics atm) */ |
|
|
951 | |
|
|
952 | #if EV_USE_FLOOR |
|
|
953 | # include <math.h> |
|
|
954 | # define ev_floor(v) floor (v) |
|
|
955 | #else |
|
|
956 | |
|
|
957 | #include <float.h> |
|
|
958 | |
|
|
959 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
960 | static ev_tstamp noinline |
|
|
961 | ev_floor (ev_tstamp v) |
|
|
962 | { |
|
|
963 | /* the choice of shift factor is not terribly important */ |
|
|
964 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
|
|
965 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
|
|
966 | #else |
|
|
967 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
|
|
968 | #endif |
|
|
969 | |
|
|
970 | /* argument too large for an unsigned long? */ |
|
|
971 | if (expect_false (v >= shift)) |
|
|
972 | { |
|
|
973 | ev_tstamp f; |
|
|
974 | |
|
|
975 | if (v == v - 1.) |
|
|
976 | return v; /* very large number */ |
|
|
977 | |
|
|
978 | f = shift * ev_floor (v * (1. / shift)); |
|
|
979 | return f + ev_floor (v - f); |
|
|
980 | } |
|
|
981 | |
|
|
982 | /* special treatment for negative args? */ |
|
|
983 | if (expect_false (v < 0.)) |
|
|
984 | { |
|
|
985 | ev_tstamp f = -ev_floor (-v); |
|
|
986 | |
|
|
987 | return f - (f == v ? 0 : 1); |
|
|
988 | } |
|
|
989 | |
|
|
990 | /* fits into an unsigned long */ |
|
|
991 | return (unsigned long)v; |
|
|
992 | } |
|
|
993 | |
|
|
994 | #endif |
|
|
995 | |
|
|
996 | /*****************************************************************************/ |
|
|
997 | |
|
|
998 | #ifdef __linux |
|
|
999 | # include <sys/utsname.h> |
|
|
1000 | #endif |
|
|
1001 | |
|
|
1002 | static unsigned int noinline ecb_cold |
|
|
1003 | ev_linux_version (void) |
|
|
1004 | { |
|
|
1005 | #ifdef __linux |
|
|
1006 | unsigned int v = 0; |
|
|
1007 | struct utsname buf; |
|
|
1008 | int i; |
|
|
1009 | char *p = buf.release; |
|
|
1010 | |
|
|
1011 | if (uname (&buf)) |
|
|
1012 | return 0; |
|
|
1013 | |
|
|
1014 | for (i = 3+1; --i; ) |
|
|
1015 | { |
|
|
1016 | unsigned int c = 0; |
|
|
1017 | |
|
|
1018 | for (;;) |
|
|
1019 | { |
|
|
1020 | if (*p >= '0' && *p <= '9') |
|
|
1021 | c = c * 10 + *p++ - '0'; |
|
|
1022 | else |
|
|
1023 | { |
|
|
1024 | p += *p == '.'; |
|
|
1025 | break; |
|
|
1026 | } |
|
|
1027 | } |
|
|
1028 | |
|
|
1029 | v = (v << 8) | c; |
|
|
1030 | } |
|
|
1031 | |
|
|
1032 | return v; |
|
|
1033 | #else |
|
|
1034 | return 0; |
|
|
1035 | #endif |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | /*****************************************************************************/ |
|
|
1039 | |
|
|
1040 | #if EV_AVOID_STDIO |
|
|
1041 | static void noinline ecb_cold |
|
|
1042 | ev_printerr (const char *msg) |
|
|
1043 | { |
|
|
1044 | write (STDERR_FILENO, msg, strlen (msg)); |
|
|
1045 | } |
|
|
1046 | #endif |
|
|
1047 | |
275 | static void (*syserr_cb)(const char *msg); |
1048 | static void (*syserr_cb)(const char *msg); |
276 | |
1049 | |
277 | void |
1050 | void ecb_cold |
278 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1051 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
279 | { |
1052 | { |
280 | syserr_cb = cb; |
1053 | syserr_cb = cb; |
281 | } |
1054 | } |
282 | |
1055 | |
283 | static void noinline |
1056 | static void noinline ecb_cold |
284 | syserr (const char *msg) |
1057 | ev_syserr (const char *msg) |
285 | { |
1058 | { |
286 | if (!msg) |
1059 | if (!msg) |
287 | msg = "(libev) system error"; |
1060 | msg = "(libev) system error"; |
288 | |
1061 | |
289 | if (syserr_cb) |
1062 | if (syserr_cb) |
290 | syserr_cb (msg); |
1063 | syserr_cb (msg); |
291 | else |
1064 | else |
292 | { |
1065 | { |
|
|
1066 | #if EV_AVOID_STDIO |
|
|
1067 | ev_printerr (msg); |
|
|
1068 | ev_printerr (": "); |
|
|
1069 | ev_printerr (strerror (errno)); |
|
|
1070 | ev_printerr ("\n"); |
|
|
1071 | #else |
293 | perror (msg); |
1072 | perror (msg); |
|
|
1073 | #endif |
294 | abort (); |
1074 | abort (); |
295 | } |
1075 | } |
296 | } |
1076 | } |
297 | |
1077 | |
|
|
1078 | static void * |
|
|
1079 | ev_realloc_emul (void *ptr, long size) |
|
|
1080 | { |
|
|
1081 | #if __GLIBC__ |
|
|
1082 | return realloc (ptr, size); |
|
|
1083 | #else |
|
|
1084 | /* some systems, notably openbsd and darwin, fail to properly |
|
|
1085 | * implement realloc (x, 0) (as required by both ansi c-89 and |
|
|
1086 | * the single unix specification, so work around them here. |
|
|
1087 | */ |
|
|
1088 | |
|
|
1089 | if (size) |
|
|
1090 | return realloc (ptr, size); |
|
|
1091 | |
|
|
1092 | free (ptr); |
|
|
1093 | return 0; |
|
|
1094 | #endif |
|
|
1095 | } |
|
|
1096 | |
298 | static void *(*alloc)(void *ptr, long size); |
1097 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
299 | |
1098 | |
300 | void |
1099 | void ecb_cold |
301 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1100 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
302 | { |
1101 | { |
303 | alloc = cb; |
1102 | alloc = cb; |
304 | } |
1103 | } |
305 | |
1104 | |
306 | inline_speed void * |
1105 | inline_speed void * |
307 | ev_realloc (void *ptr, long size) |
1106 | ev_realloc (void *ptr, long size) |
308 | { |
1107 | { |
309 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
1108 | ptr = alloc (ptr, size); |
310 | |
1109 | |
311 | if (!ptr && size) |
1110 | if (!ptr && size) |
312 | { |
1111 | { |
|
|
1112 | #if EV_AVOID_STDIO |
|
|
1113 | ev_printerr ("(libev) memory allocation failed, aborting.\n"); |
|
|
1114 | #else |
313 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
1115 | fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size); |
|
|
1116 | #endif |
314 | abort (); |
1117 | abort (); |
315 | } |
1118 | } |
316 | |
1119 | |
317 | return ptr; |
1120 | return ptr; |
318 | } |
1121 | } |
… | |
… | |
320 | #define ev_malloc(size) ev_realloc (0, (size)) |
1123 | #define ev_malloc(size) ev_realloc (0, (size)) |
321 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
1124 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
322 | |
1125 | |
323 | /*****************************************************************************/ |
1126 | /*****************************************************************************/ |
324 | |
1127 | |
|
|
1128 | /* set in reify when reification needed */ |
|
|
1129 | #define EV_ANFD_REIFY 1 |
|
|
1130 | |
|
|
1131 | /* file descriptor info structure */ |
325 | typedef struct |
1132 | typedef struct |
326 | { |
1133 | { |
327 | WL head; |
1134 | WL head; |
328 | unsigned char events; |
1135 | unsigned char events; /* the events watched for */ |
|
|
1136 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
|
|
1137 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
329 | unsigned char reify; |
1138 | unsigned char unused; |
|
|
1139 | #if EV_USE_EPOLL |
|
|
1140 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
1141 | #endif |
330 | #if EV_SELECT_IS_WINSOCKET |
1142 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
331 | SOCKET handle; |
1143 | SOCKET handle; |
332 | #endif |
1144 | #endif |
|
|
1145 | #if EV_USE_IOCP |
|
|
1146 | OVERLAPPED or, ow; |
|
|
1147 | #endif |
333 | } ANFD; |
1148 | } ANFD; |
334 | |
1149 | |
|
|
1150 | /* stores the pending event set for a given watcher */ |
335 | typedef struct |
1151 | typedef struct |
336 | { |
1152 | { |
337 | W w; |
1153 | W w; |
338 | int events; |
1154 | int events; /* the pending event set for the given watcher */ |
339 | } ANPENDING; |
1155 | } ANPENDING; |
340 | |
1156 | |
341 | #if EV_USE_INOTIFY |
1157 | #if EV_USE_INOTIFY |
|
|
1158 | /* hash table entry per inotify-id */ |
342 | typedef struct |
1159 | typedef struct |
343 | { |
1160 | { |
344 | WL head; |
1161 | WL head; |
345 | } ANFS; |
1162 | } ANFS; |
|
|
1163 | #endif |
|
|
1164 | |
|
|
1165 | /* Heap Entry */ |
|
|
1166 | #if EV_HEAP_CACHE_AT |
|
|
1167 | /* a heap element */ |
|
|
1168 | typedef struct { |
|
|
1169 | ev_tstamp at; |
|
|
1170 | WT w; |
|
|
1171 | } ANHE; |
|
|
1172 | |
|
|
1173 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
1174 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
1175 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
1176 | #else |
|
|
1177 | /* a heap element */ |
|
|
1178 | typedef WT ANHE; |
|
|
1179 | |
|
|
1180 | #define ANHE_w(he) (he) |
|
|
1181 | #define ANHE_at(he) (he)->at |
|
|
1182 | #define ANHE_at_cache(he) |
346 | #endif |
1183 | #endif |
347 | |
1184 | |
348 | #if EV_MULTIPLICITY |
1185 | #if EV_MULTIPLICITY |
349 | |
1186 | |
350 | struct ev_loop |
1187 | struct ev_loop |
… | |
… | |
369 | |
1206 | |
370 | static int ev_default_loop_ptr; |
1207 | static int ev_default_loop_ptr; |
371 | |
1208 | |
372 | #endif |
1209 | #endif |
373 | |
1210 | |
|
|
1211 | #if EV_FEATURE_API |
|
|
1212 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
1213 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
1214 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
1215 | #else |
|
|
1216 | # define EV_RELEASE_CB (void)0 |
|
|
1217 | # define EV_ACQUIRE_CB (void)0 |
|
|
1218 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
1219 | #endif |
|
|
1220 | |
|
|
1221 | #define EVBREAK_RECURSE 0x80 |
|
|
1222 | |
374 | /*****************************************************************************/ |
1223 | /*****************************************************************************/ |
375 | |
1224 | |
|
|
1225 | #ifndef EV_HAVE_EV_TIME |
376 | ev_tstamp |
1226 | ev_tstamp |
377 | ev_time (void) |
1227 | ev_time (void) |
378 | { |
1228 | { |
379 | #if EV_USE_REALTIME |
1229 | #if EV_USE_REALTIME |
|
|
1230 | if (expect_true (have_realtime)) |
|
|
1231 | { |
380 | struct timespec ts; |
1232 | struct timespec ts; |
381 | clock_gettime (CLOCK_REALTIME, &ts); |
1233 | clock_gettime (CLOCK_REALTIME, &ts); |
382 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1234 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
383 | #else |
1235 | } |
|
|
1236 | #endif |
|
|
1237 | |
384 | struct timeval tv; |
1238 | struct timeval tv; |
385 | gettimeofday (&tv, 0); |
1239 | gettimeofday (&tv, 0); |
386 | return tv.tv_sec + tv.tv_usec * 1e-6; |
1240 | return tv.tv_sec + tv.tv_usec * 1e-6; |
387 | #endif |
|
|
388 | } |
1241 | } |
|
|
1242 | #endif |
389 | |
1243 | |
390 | ev_tstamp inline_size |
1244 | inline_size ev_tstamp |
391 | get_clock (void) |
1245 | get_clock (void) |
392 | { |
1246 | { |
393 | #if EV_USE_MONOTONIC |
1247 | #if EV_USE_MONOTONIC |
394 | if (expect_true (have_monotonic)) |
1248 | if (expect_true (have_monotonic)) |
395 | { |
1249 | { |
… | |
… | |
408 | { |
1262 | { |
409 | return ev_rt_now; |
1263 | return ev_rt_now; |
410 | } |
1264 | } |
411 | #endif |
1265 | #endif |
412 | |
1266 | |
413 | int inline_size |
1267 | void |
|
|
1268 | ev_sleep (ev_tstamp delay) |
|
|
1269 | { |
|
|
1270 | if (delay > 0.) |
|
|
1271 | { |
|
|
1272 | #if EV_USE_NANOSLEEP |
|
|
1273 | struct timespec ts; |
|
|
1274 | |
|
|
1275 | EV_TS_SET (ts, delay); |
|
|
1276 | nanosleep (&ts, 0); |
|
|
1277 | #elif defined(_WIN32) |
|
|
1278 | Sleep ((unsigned long)(delay * 1e3)); |
|
|
1279 | #else |
|
|
1280 | struct timeval tv; |
|
|
1281 | |
|
|
1282 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
1283 | /* something not guaranteed by newer posix versions, but guaranteed */ |
|
|
1284 | /* by older ones */ |
|
|
1285 | EV_TV_SET (tv, delay); |
|
|
1286 | select (0, 0, 0, 0, &tv); |
|
|
1287 | #endif |
|
|
1288 | } |
|
|
1289 | } |
|
|
1290 | |
|
|
1291 | /*****************************************************************************/ |
|
|
1292 | |
|
|
1293 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
|
|
1294 | |
|
|
1295 | /* find a suitable new size for the given array, */ |
|
|
1296 | /* hopefully by rounding to a nice-to-malloc size */ |
|
|
1297 | inline_size int |
414 | array_nextsize (int elem, int cur, int cnt) |
1298 | array_nextsize (int elem, int cur, int cnt) |
415 | { |
1299 | { |
416 | int ncur = cur + 1; |
1300 | int ncur = cur + 1; |
417 | |
1301 | |
418 | do |
1302 | do |
419 | ncur <<= 1; |
1303 | ncur <<= 1; |
420 | while (cnt > ncur); |
1304 | while (cnt > ncur); |
421 | |
1305 | |
422 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
1306 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
423 | if (elem * ncur > 4096) |
1307 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
424 | { |
1308 | { |
425 | ncur *= elem; |
1309 | ncur *= elem; |
426 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
1310 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
427 | ncur = ncur - sizeof (void *) * 4; |
1311 | ncur = ncur - sizeof (void *) * 4; |
428 | ncur /= elem; |
1312 | ncur /= elem; |
429 | } |
1313 | } |
430 | |
1314 | |
431 | return ncur; |
1315 | return ncur; |
432 | } |
1316 | } |
433 | |
1317 | |
434 | static noinline void * |
1318 | static void * noinline ecb_cold |
435 | array_realloc (int elem, void *base, int *cur, int cnt) |
1319 | array_realloc (int elem, void *base, int *cur, int cnt) |
436 | { |
1320 | { |
437 | *cur = array_nextsize (elem, *cur, cnt); |
1321 | *cur = array_nextsize (elem, *cur, cnt); |
438 | return ev_realloc (base, elem * *cur); |
1322 | return ev_realloc (base, elem * *cur); |
439 | } |
1323 | } |
|
|
1324 | |
|
|
1325 | #define array_init_zero(base,count) \ |
|
|
1326 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
440 | |
1327 | |
441 | #define array_needsize(type,base,cur,cnt,init) \ |
1328 | #define array_needsize(type,base,cur,cnt,init) \ |
442 | if (expect_false ((cnt) > (cur))) \ |
1329 | if (expect_false ((cnt) > (cur))) \ |
443 | { \ |
1330 | { \ |
444 | int ocur_ = (cur); \ |
1331 | int ecb_unused ocur_ = (cur); \ |
445 | (base) = (type *)array_realloc \ |
1332 | (base) = (type *)array_realloc \ |
446 | (sizeof (type), (base), &(cur), (cnt)); \ |
1333 | (sizeof (type), (base), &(cur), (cnt)); \ |
447 | init ((base) + (ocur_), (cur) - ocur_); \ |
1334 | init ((base) + (ocur_), (cur) - ocur_); \ |
448 | } |
1335 | } |
449 | |
1336 | |
… | |
… | |
456 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
1343 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
457 | } |
1344 | } |
458 | #endif |
1345 | #endif |
459 | |
1346 | |
460 | #define array_free(stem, idx) \ |
1347 | #define array_free(stem, idx) \ |
461 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
1348 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
462 | |
1349 | |
463 | /*****************************************************************************/ |
1350 | /*****************************************************************************/ |
|
|
1351 | |
|
|
1352 | /* dummy callback for pending events */ |
|
|
1353 | static void noinline |
|
|
1354 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
1355 | { |
|
|
1356 | } |
464 | |
1357 | |
465 | void noinline |
1358 | void noinline |
466 | ev_feed_event (EV_P_ void *w, int revents) |
1359 | ev_feed_event (EV_P_ void *w, int revents) |
467 | { |
1360 | { |
468 | W w_ = (W)w; |
1361 | W w_ = (W)w; |
… | |
… | |
477 | pendings [pri][w_->pending - 1].w = w_; |
1370 | pendings [pri][w_->pending - 1].w = w_; |
478 | pendings [pri][w_->pending - 1].events = revents; |
1371 | pendings [pri][w_->pending - 1].events = revents; |
479 | } |
1372 | } |
480 | } |
1373 | } |
481 | |
1374 | |
482 | void inline_speed |
1375 | inline_speed void |
|
|
1376 | feed_reverse (EV_P_ W w) |
|
|
1377 | { |
|
|
1378 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
1379 | rfeeds [rfeedcnt++] = w; |
|
|
1380 | } |
|
|
1381 | |
|
|
1382 | inline_size void |
|
|
1383 | feed_reverse_done (EV_P_ int revents) |
|
|
1384 | { |
|
|
1385 | do |
|
|
1386 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
1387 | while (rfeedcnt); |
|
|
1388 | } |
|
|
1389 | |
|
|
1390 | inline_speed void |
483 | queue_events (EV_P_ W *events, int eventcnt, int type) |
1391 | queue_events (EV_P_ W *events, int eventcnt, int type) |
484 | { |
1392 | { |
485 | int i; |
1393 | int i; |
486 | |
1394 | |
487 | for (i = 0; i < eventcnt; ++i) |
1395 | for (i = 0; i < eventcnt; ++i) |
488 | ev_feed_event (EV_A_ events [i], type); |
1396 | ev_feed_event (EV_A_ events [i], type); |
489 | } |
1397 | } |
490 | |
1398 | |
491 | /*****************************************************************************/ |
1399 | /*****************************************************************************/ |
492 | |
1400 | |
493 | void inline_size |
1401 | inline_speed void |
494 | anfds_init (ANFD *base, int count) |
|
|
495 | { |
|
|
496 | while (count--) |
|
|
497 | { |
|
|
498 | base->head = 0; |
|
|
499 | base->events = EV_NONE; |
|
|
500 | base->reify = 0; |
|
|
501 | |
|
|
502 | ++base; |
|
|
503 | } |
|
|
504 | } |
|
|
505 | |
|
|
506 | void inline_speed |
|
|
507 | fd_event (EV_P_ int fd, int revents) |
1402 | fd_event_nocheck (EV_P_ int fd, int revents) |
508 | { |
1403 | { |
509 | ANFD *anfd = anfds + fd; |
1404 | ANFD *anfd = anfds + fd; |
510 | ev_io *w; |
1405 | ev_io *w; |
511 | |
1406 | |
512 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1407 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
516 | if (ev) |
1411 | if (ev) |
517 | ev_feed_event (EV_A_ (W)w, ev); |
1412 | ev_feed_event (EV_A_ (W)w, ev); |
518 | } |
1413 | } |
519 | } |
1414 | } |
520 | |
1415 | |
|
|
1416 | /* do not submit kernel events for fds that have reify set */ |
|
|
1417 | /* because that means they changed while we were polling for new events */ |
|
|
1418 | inline_speed void |
|
|
1419 | fd_event (EV_P_ int fd, int revents) |
|
|
1420 | { |
|
|
1421 | ANFD *anfd = anfds + fd; |
|
|
1422 | |
|
|
1423 | if (expect_true (!anfd->reify)) |
|
|
1424 | fd_event_nocheck (EV_A_ fd, revents); |
|
|
1425 | } |
|
|
1426 | |
521 | void |
1427 | void |
522 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1428 | ev_feed_fd_event (EV_P_ int fd, int revents) |
523 | { |
1429 | { |
524 | if (fd >= 0 && fd < anfdmax) |
1430 | if (fd >= 0 && fd < anfdmax) |
525 | fd_event (EV_A_ fd, revents); |
1431 | fd_event_nocheck (EV_A_ fd, revents); |
526 | } |
1432 | } |
527 | |
1433 | |
528 | void inline_size |
1434 | /* make sure the external fd watch events are in-sync */ |
|
|
1435 | /* with the kernel/libev internal state */ |
|
|
1436 | inline_size void |
529 | fd_reify (EV_P) |
1437 | fd_reify (EV_P) |
530 | { |
1438 | { |
531 | int i; |
1439 | int i; |
|
|
1440 | |
|
|
1441 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
|
|
1442 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1443 | { |
|
|
1444 | int fd = fdchanges [i]; |
|
|
1445 | ANFD *anfd = anfds + fd; |
|
|
1446 | |
|
|
1447 | if (anfd->reify & EV__IOFDSET && anfd->head) |
|
|
1448 | { |
|
|
1449 | SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
1450 | |
|
|
1451 | if (handle != anfd->handle) |
|
|
1452 | { |
|
|
1453 | unsigned long arg; |
|
|
1454 | |
|
|
1455 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0)); |
|
|
1456 | |
|
|
1457 | /* handle changed, but fd didn't - we need to do it in two steps */ |
|
|
1458 | backend_modify (EV_A_ fd, anfd->events, 0); |
|
|
1459 | anfd->events = 0; |
|
|
1460 | anfd->handle = handle; |
|
|
1461 | } |
|
|
1462 | } |
|
|
1463 | } |
|
|
1464 | #endif |
532 | |
1465 | |
533 | for (i = 0; i < fdchangecnt; ++i) |
1466 | for (i = 0; i < fdchangecnt; ++i) |
534 | { |
1467 | { |
535 | int fd = fdchanges [i]; |
1468 | int fd = fdchanges [i]; |
536 | ANFD *anfd = anfds + fd; |
1469 | ANFD *anfd = anfds + fd; |
537 | ev_io *w; |
1470 | ev_io *w; |
538 | |
1471 | |
539 | unsigned char events = 0; |
1472 | unsigned char o_events = anfd->events; |
|
|
1473 | unsigned char o_reify = anfd->reify; |
540 | |
1474 | |
541 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
1475 | anfd->reify = 0; |
542 | events |= (unsigned char)w->events; |
|
|
543 | |
1476 | |
544 | #if EV_SELECT_IS_WINSOCKET |
1477 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
545 | if (events) |
|
|
546 | { |
1478 | { |
547 | unsigned long argp; |
1479 | anfd->events = 0; |
548 | anfd->handle = _get_osfhandle (fd); |
1480 | |
549 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
1481 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
1482 | anfd->events |= (unsigned char)w->events; |
|
|
1483 | |
|
|
1484 | if (o_events != anfd->events) |
|
|
1485 | o_reify = EV__IOFDSET; /* actually |= */ |
550 | } |
1486 | } |
551 | #endif |
|
|
552 | |
1487 | |
553 | { |
1488 | if (o_reify & EV__IOFDSET) |
554 | unsigned char o_events = anfd->events; |
|
|
555 | unsigned char o_reify = anfd->reify; |
|
|
556 | |
|
|
557 | anfd->reify = 0; |
|
|
558 | anfd->events = events; |
|
|
559 | |
|
|
560 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
561 | backend_modify (EV_A_ fd, o_events, events); |
1489 | backend_modify (EV_A_ fd, o_events, anfd->events); |
562 | } |
|
|
563 | } |
1490 | } |
564 | |
1491 | |
565 | fdchangecnt = 0; |
1492 | fdchangecnt = 0; |
566 | } |
1493 | } |
567 | |
1494 | |
568 | void inline_size |
1495 | /* something about the given fd changed */ |
|
|
1496 | inline_size void |
569 | fd_change (EV_P_ int fd, int flags) |
1497 | fd_change (EV_P_ int fd, int flags) |
570 | { |
1498 | { |
571 | unsigned char reify = anfds [fd].reify; |
1499 | unsigned char reify = anfds [fd].reify; |
572 | anfds [fd].reify |= flags; |
1500 | anfds [fd].reify |= flags; |
573 | |
1501 | |
… | |
… | |
577 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
1505 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
578 | fdchanges [fdchangecnt - 1] = fd; |
1506 | fdchanges [fdchangecnt - 1] = fd; |
579 | } |
1507 | } |
580 | } |
1508 | } |
581 | |
1509 | |
582 | void inline_speed |
1510 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
1511 | inline_speed void ecb_cold |
583 | fd_kill (EV_P_ int fd) |
1512 | fd_kill (EV_P_ int fd) |
584 | { |
1513 | { |
585 | ev_io *w; |
1514 | ev_io *w; |
586 | |
1515 | |
587 | while ((w = (ev_io *)anfds [fd].head)) |
1516 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
589 | ev_io_stop (EV_A_ w); |
1518 | ev_io_stop (EV_A_ w); |
590 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1519 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
591 | } |
1520 | } |
592 | } |
1521 | } |
593 | |
1522 | |
594 | int inline_size |
1523 | /* check whether the given fd is actually valid, for error recovery */ |
|
|
1524 | inline_size int ecb_cold |
595 | fd_valid (int fd) |
1525 | fd_valid (int fd) |
596 | { |
1526 | { |
597 | #ifdef _WIN32 |
1527 | #ifdef _WIN32 |
598 | return _get_osfhandle (fd) != -1; |
1528 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
599 | #else |
1529 | #else |
600 | return fcntl (fd, F_GETFD) != -1; |
1530 | return fcntl (fd, F_GETFD) != -1; |
601 | #endif |
1531 | #endif |
602 | } |
1532 | } |
603 | |
1533 | |
604 | /* called on EBADF to verify fds */ |
1534 | /* called on EBADF to verify fds */ |
605 | static void noinline |
1535 | static void noinline ecb_cold |
606 | fd_ebadf (EV_P) |
1536 | fd_ebadf (EV_P) |
607 | { |
1537 | { |
608 | int fd; |
1538 | int fd; |
609 | |
1539 | |
610 | for (fd = 0; fd < anfdmax; ++fd) |
1540 | for (fd = 0; fd < anfdmax; ++fd) |
611 | if (anfds [fd].events) |
1541 | if (anfds [fd].events) |
612 | if (!fd_valid (fd) == -1 && errno == EBADF) |
1542 | if (!fd_valid (fd) && errno == EBADF) |
613 | fd_kill (EV_A_ fd); |
1543 | fd_kill (EV_A_ fd); |
614 | } |
1544 | } |
615 | |
1545 | |
616 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1546 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
617 | static void noinline |
1547 | static void noinline ecb_cold |
618 | fd_enomem (EV_P) |
1548 | fd_enomem (EV_P) |
619 | { |
1549 | { |
620 | int fd; |
1550 | int fd; |
621 | |
1551 | |
622 | for (fd = anfdmax; fd--; ) |
1552 | for (fd = anfdmax; fd--; ) |
623 | if (anfds [fd].events) |
1553 | if (anfds [fd].events) |
624 | { |
1554 | { |
625 | fd_kill (EV_A_ fd); |
1555 | fd_kill (EV_A_ fd); |
626 | return; |
1556 | break; |
627 | } |
1557 | } |
628 | } |
1558 | } |
629 | |
1559 | |
630 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1560 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
631 | static void noinline |
1561 | static void noinline |
… | |
… | |
635 | |
1565 | |
636 | for (fd = 0; fd < anfdmax; ++fd) |
1566 | for (fd = 0; fd < anfdmax; ++fd) |
637 | if (anfds [fd].events) |
1567 | if (anfds [fd].events) |
638 | { |
1568 | { |
639 | anfds [fd].events = 0; |
1569 | anfds [fd].events = 0; |
|
|
1570 | anfds [fd].emask = 0; |
640 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
1571 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
641 | } |
1572 | } |
642 | } |
1573 | } |
643 | |
1574 | |
644 | /*****************************************************************************/ |
1575 | /* used to prepare libev internal fd's */ |
645 | |
1576 | /* this is not fork-safe */ |
646 | void inline_speed |
1577 | inline_speed void |
647 | upheap (WT *heap, int k) |
|
|
648 | { |
|
|
649 | WT w = heap [k]; |
|
|
650 | |
|
|
651 | while (k) |
|
|
652 | { |
|
|
653 | int p = (k - 1) >> 1; |
|
|
654 | |
|
|
655 | if (heap [p]->at <= w->at) |
|
|
656 | break; |
|
|
657 | |
|
|
658 | heap [k] = heap [p]; |
|
|
659 | ((W)heap [k])->active = k + 1; |
|
|
660 | k = p; |
|
|
661 | } |
|
|
662 | |
|
|
663 | heap [k] = w; |
|
|
664 | ((W)heap [k])->active = k + 1; |
|
|
665 | } |
|
|
666 | |
|
|
667 | void inline_speed |
|
|
668 | downheap (WT *heap, int N, int k) |
|
|
669 | { |
|
|
670 | WT w = heap [k]; |
|
|
671 | |
|
|
672 | for (;;) |
|
|
673 | { |
|
|
674 | int c = (k << 1) + 1; |
|
|
675 | |
|
|
676 | if (c >= N) |
|
|
677 | break; |
|
|
678 | |
|
|
679 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
680 | ? 1 : 0; |
|
|
681 | |
|
|
682 | if (w->at <= heap [c]->at) |
|
|
683 | break; |
|
|
684 | |
|
|
685 | heap [k] = heap [c]; |
|
|
686 | ((W)heap [k])->active = k + 1; |
|
|
687 | |
|
|
688 | k = c; |
|
|
689 | } |
|
|
690 | |
|
|
691 | heap [k] = w; |
|
|
692 | ((W)heap [k])->active = k + 1; |
|
|
693 | } |
|
|
694 | |
|
|
695 | void inline_size |
|
|
696 | adjustheap (WT *heap, int N, int k) |
|
|
697 | { |
|
|
698 | upheap (heap, k); |
|
|
699 | downheap (heap, N, k); |
|
|
700 | } |
|
|
701 | |
|
|
702 | /*****************************************************************************/ |
|
|
703 | |
|
|
704 | typedef struct |
|
|
705 | { |
|
|
706 | WL head; |
|
|
707 | sig_atomic_t volatile gotsig; |
|
|
708 | } ANSIG; |
|
|
709 | |
|
|
710 | static ANSIG *signals; |
|
|
711 | static int signalmax; |
|
|
712 | |
|
|
713 | static int sigpipe [2]; |
|
|
714 | static sig_atomic_t volatile gotsig; |
|
|
715 | static ev_io sigev; |
|
|
716 | |
|
|
717 | void inline_size |
|
|
718 | signals_init (ANSIG *base, int count) |
|
|
719 | { |
|
|
720 | while (count--) |
|
|
721 | { |
|
|
722 | base->head = 0; |
|
|
723 | base->gotsig = 0; |
|
|
724 | |
|
|
725 | ++base; |
|
|
726 | } |
|
|
727 | } |
|
|
728 | |
|
|
729 | static void |
|
|
730 | sighandler (int signum) |
|
|
731 | { |
|
|
732 | #if _WIN32 |
|
|
733 | signal (signum, sighandler); |
|
|
734 | #endif |
|
|
735 | |
|
|
736 | signals [signum - 1].gotsig = 1; |
|
|
737 | |
|
|
738 | if (!gotsig) |
|
|
739 | { |
|
|
740 | int old_errno = errno; |
|
|
741 | gotsig = 1; |
|
|
742 | write (sigpipe [1], &signum, 1); |
|
|
743 | errno = old_errno; |
|
|
744 | } |
|
|
745 | } |
|
|
746 | |
|
|
747 | void noinline |
|
|
748 | ev_feed_signal_event (EV_P_ int signum) |
|
|
749 | { |
|
|
750 | WL w; |
|
|
751 | |
|
|
752 | #if EV_MULTIPLICITY |
|
|
753 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
754 | #endif |
|
|
755 | |
|
|
756 | --signum; |
|
|
757 | |
|
|
758 | if (signum < 0 || signum >= signalmax) |
|
|
759 | return; |
|
|
760 | |
|
|
761 | signals [signum].gotsig = 0; |
|
|
762 | |
|
|
763 | for (w = signals [signum].head; w; w = w->next) |
|
|
764 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
765 | } |
|
|
766 | |
|
|
767 | static void |
|
|
768 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
769 | { |
|
|
770 | int signum; |
|
|
771 | |
|
|
772 | read (sigpipe [0], &revents, 1); |
|
|
773 | gotsig = 0; |
|
|
774 | |
|
|
775 | for (signum = signalmax; signum--; ) |
|
|
776 | if (signals [signum].gotsig) |
|
|
777 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
778 | } |
|
|
779 | |
|
|
780 | void inline_speed |
|
|
781 | fd_intern (int fd) |
1578 | fd_intern (int fd) |
782 | { |
1579 | { |
783 | #ifdef _WIN32 |
1580 | #ifdef _WIN32 |
784 | int arg = 1; |
1581 | unsigned long arg = 1; |
785 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1582 | ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg); |
786 | #else |
1583 | #else |
787 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1584 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
788 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1585 | fcntl (fd, F_SETFL, O_NONBLOCK); |
789 | #endif |
1586 | #endif |
790 | } |
1587 | } |
791 | |
1588 | |
792 | static void noinline |
|
|
793 | siginit (EV_P) |
|
|
794 | { |
|
|
795 | fd_intern (sigpipe [0]); |
|
|
796 | fd_intern (sigpipe [1]); |
|
|
797 | |
|
|
798 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
|
|
799 | ev_io_start (EV_A_ &sigev); |
|
|
800 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
|
|
801 | } |
|
|
802 | |
|
|
803 | /*****************************************************************************/ |
1589 | /*****************************************************************************/ |
804 | |
1590 | |
|
|
1591 | /* |
|
|
1592 | * the heap functions want a real array index. array index 0 is guaranteed to not |
|
|
1593 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
1594 | * the branching factor of the d-tree. |
|
|
1595 | */ |
|
|
1596 | |
|
|
1597 | /* |
|
|
1598 | * at the moment we allow libev the luxury of two heaps, |
|
|
1599 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
1600 | * which is more cache-efficient. |
|
|
1601 | * the difference is about 5% with 50000+ watchers. |
|
|
1602 | */ |
|
|
1603 | #if EV_USE_4HEAP |
|
|
1604 | |
|
|
1605 | #define DHEAP 4 |
|
|
1606 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
1607 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
1608 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
1609 | |
|
|
1610 | /* away from the root */ |
|
|
1611 | inline_speed void |
|
|
1612 | downheap (ANHE *heap, int N, int k) |
|
|
1613 | { |
|
|
1614 | ANHE he = heap [k]; |
|
|
1615 | ANHE *E = heap + N + HEAP0; |
|
|
1616 | |
|
|
1617 | for (;;) |
|
|
1618 | { |
|
|
1619 | ev_tstamp minat; |
|
|
1620 | ANHE *minpos; |
|
|
1621 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
|
|
1622 | |
|
|
1623 | /* find minimum child */ |
|
|
1624 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
1625 | { |
|
|
1626 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
1627 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
1628 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
1629 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
1630 | } |
|
|
1631 | else if (pos < E) |
|
|
1632 | { |
|
|
1633 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
1634 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
1635 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
1636 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
1637 | } |
|
|
1638 | else |
|
|
1639 | break; |
|
|
1640 | |
|
|
1641 | if (ANHE_at (he) <= minat) |
|
|
1642 | break; |
|
|
1643 | |
|
|
1644 | heap [k] = *minpos; |
|
|
1645 | ev_active (ANHE_w (*minpos)) = k; |
|
|
1646 | |
|
|
1647 | k = minpos - heap; |
|
|
1648 | } |
|
|
1649 | |
|
|
1650 | heap [k] = he; |
|
|
1651 | ev_active (ANHE_w (he)) = k; |
|
|
1652 | } |
|
|
1653 | |
|
|
1654 | #else /* 4HEAP */ |
|
|
1655 | |
|
|
1656 | #define HEAP0 1 |
|
|
1657 | #define HPARENT(k) ((k) >> 1) |
|
|
1658 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
1659 | |
|
|
1660 | /* away from the root */ |
|
|
1661 | inline_speed void |
|
|
1662 | downheap (ANHE *heap, int N, int k) |
|
|
1663 | { |
|
|
1664 | ANHE he = heap [k]; |
|
|
1665 | |
|
|
1666 | for (;;) |
|
|
1667 | { |
|
|
1668 | int c = k << 1; |
|
|
1669 | |
|
|
1670 | if (c >= N + HEAP0) |
|
|
1671 | break; |
|
|
1672 | |
|
|
1673 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
1674 | ? 1 : 0; |
|
|
1675 | |
|
|
1676 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
1677 | break; |
|
|
1678 | |
|
|
1679 | heap [k] = heap [c]; |
|
|
1680 | ev_active (ANHE_w (heap [k])) = k; |
|
|
1681 | |
|
|
1682 | k = c; |
|
|
1683 | } |
|
|
1684 | |
|
|
1685 | heap [k] = he; |
|
|
1686 | ev_active (ANHE_w (he)) = k; |
|
|
1687 | } |
|
|
1688 | #endif |
|
|
1689 | |
|
|
1690 | /* towards the root */ |
|
|
1691 | inline_speed void |
|
|
1692 | upheap (ANHE *heap, int k) |
|
|
1693 | { |
|
|
1694 | ANHE he = heap [k]; |
|
|
1695 | |
|
|
1696 | for (;;) |
|
|
1697 | { |
|
|
1698 | int p = HPARENT (k); |
|
|
1699 | |
|
|
1700 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
1701 | break; |
|
|
1702 | |
|
|
1703 | heap [k] = heap [p]; |
|
|
1704 | ev_active (ANHE_w (heap [k])) = k; |
|
|
1705 | k = p; |
|
|
1706 | } |
|
|
1707 | |
|
|
1708 | heap [k] = he; |
|
|
1709 | ev_active (ANHE_w (he)) = k; |
|
|
1710 | } |
|
|
1711 | |
|
|
1712 | /* move an element suitably so it is in a correct place */ |
|
|
1713 | inline_size void |
|
|
1714 | adjustheap (ANHE *heap, int N, int k) |
|
|
1715 | { |
|
|
1716 | if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)])) |
|
|
1717 | upheap (heap, k); |
|
|
1718 | else |
|
|
1719 | downheap (heap, N, k); |
|
|
1720 | } |
|
|
1721 | |
|
|
1722 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
1723 | inline_size void |
|
|
1724 | reheap (ANHE *heap, int N) |
|
|
1725 | { |
|
|
1726 | int i; |
|
|
1727 | |
|
|
1728 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
1729 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
1730 | for (i = 0; i < N; ++i) |
|
|
1731 | upheap (heap, i + HEAP0); |
|
|
1732 | } |
|
|
1733 | |
|
|
1734 | /*****************************************************************************/ |
|
|
1735 | |
|
|
1736 | /* associate signal watchers to a signal signal */ |
|
|
1737 | typedef struct |
|
|
1738 | { |
|
|
1739 | EV_ATOMIC_T pending; |
|
|
1740 | #if EV_MULTIPLICITY |
|
|
1741 | EV_P; |
|
|
1742 | #endif |
|
|
1743 | WL head; |
|
|
1744 | } ANSIG; |
|
|
1745 | |
|
|
1746 | static ANSIG signals [EV_NSIG - 1]; |
|
|
1747 | |
|
|
1748 | /*****************************************************************************/ |
|
|
1749 | |
|
|
1750 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
|
|
1751 | |
|
|
1752 | static void noinline ecb_cold |
|
|
1753 | evpipe_init (EV_P) |
|
|
1754 | { |
|
|
1755 | if (!ev_is_active (&pipe_w)) |
|
|
1756 | { |
|
|
1757 | # if EV_USE_EVENTFD |
|
|
1758 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1759 | if (evfd < 0 && errno == EINVAL) |
|
|
1760 | evfd = eventfd (0, 0); |
|
|
1761 | |
|
|
1762 | if (evfd >= 0) |
|
|
1763 | { |
|
|
1764 | evpipe [0] = -1; |
|
|
1765 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
|
|
1766 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1767 | } |
|
|
1768 | else |
|
|
1769 | # endif |
|
|
1770 | { |
|
|
1771 | while (pipe (evpipe)) |
|
|
1772 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
1773 | |
|
|
1774 | fd_intern (evpipe [0]); |
|
|
1775 | fd_intern (evpipe [1]); |
|
|
1776 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
|
|
1777 | } |
|
|
1778 | |
|
|
1779 | ev_io_start (EV_A_ &pipe_w); |
|
|
1780 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1781 | } |
|
|
1782 | } |
|
|
1783 | |
|
|
1784 | inline_speed void |
|
|
1785 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1786 | { |
|
|
1787 | if (expect_true (*flag)) |
|
|
1788 | return; |
|
|
1789 | |
|
|
1790 | *flag = 1; |
|
|
1791 | |
|
|
1792 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
|
|
1793 | |
|
|
1794 | pipe_write_skipped = 1; |
|
|
1795 | |
|
|
1796 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1797 | |
|
|
1798 | if (pipe_write_wanted) |
|
|
1799 | { |
|
|
1800 | int old_errno; |
|
|
1801 | |
|
|
1802 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
|
|
1803 | |
|
|
1804 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1805 | |
|
|
1806 | #if EV_USE_EVENTFD |
|
|
1807 | if (evfd >= 0) |
|
|
1808 | { |
|
|
1809 | uint64_t counter = 1; |
|
|
1810 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1811 | } |
|
|
1812 | else |
|
|
1813 | #endif |
|
|
1814 | { |
|
|
1815 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1816 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1817 | /* so when you think this write should be a send instead, please find out */ |
|
|
1818 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1819 | /* tell me. thank you. */ |
|
|
1820 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1821 | } |
|
|
1822 | |
|
|
1823 | errno = old_errno; |
|
|
1824 | } |
|
|
1825 | } |
|
|
1826 | |
|
|
1827 | /* called whenever the libev signal pipe */ |
|
|
1828 | /* got some events (signal, async) */ |
|
|
1829 | static void |
|
|
1830 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
1831 | { |
|
|
1832 | int i; |
|
|
1833 | |
|
|
1834 | if (revents & EV_READ) |
|
|
1835 | { |
|
|
1836 | #if EV_USE_EVENTFD |
|
|
1837 | if (evfd >= 0) |
|
|
1838 | { |
|
|
1839 | uint64_t counter; |
|
|
1840 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1841 | } |
|
|
1842 | else |
|
|
1843 | #endif |
|
|
1844 | { |
|
|
1845 | char dummy; |
|
|
1846 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
|
|
1847 | read (evpipe [0], &dummy, 1); |
|
|
1848 | } |
|
|
1849 | } |
|
|
1850 | |
|
|
1851 | pipe_write_skipped = 0; |
|
|
1852 | |
|
|
1853 | #if EV_SIGNAL_ENABLE |
|
|
1854 | if (sig_pending) |
|
|
1855 | { |
|
|
1856 | sig_pending = 0; |
|
|
1857 | |
|
|
1858 | for (i = EV_NSIG - 1; i--; ) |
|
|
1859 | if (expect_false (signals [i].pending)) |
|
|
1860 | ev_feed_signal_event (EV_A_ i + 1); |
|
|
1861 | } |
|
|
1862 | #endif |
|
|
1863 | |
|
|
1864 | #if EV_ASYNC_ENABLE |
|
|
1865 | if (async_pending) |
|
|
1866 | { |
|
|
1867 | async_pending = 0; |
|
|
1868 | |
|
|
1869 | for (i = asynccnt; i--; ) |
|
|
1870 | if (asyncs [i]->sent) |
|
|
1871 | { |
|
|
1872 | asyncs [i]->sent = 0; |
|
|
1873 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
1874 | } |
|
|
1875 | } |
|
|
1876 | #endif |
|
|
1877 | } |
|
|
1878 | |
|
|
1879 | /*****************************************************************************/ |
|
|
1880 | |
|
|
1881 | void |
|
|
1882 | ev_feed_signal (int signum) |
|
|
1883 | { |
|
|
1884 | #if EV_MULTIPLICITY |
|
|
1885 | EV_P = signals [signum - 1].loop; |
|
|
1886 | |
|
|
1887 | if (!EV_A) |
|
|
1888 | return; |
|
|
1889 | #endif |
|
|
1890 | |
|
|
1891 | if (!ev_active (&pipe_w)) |
|
|
1892 | return; |
|
|
1893 | |
|
|
1894 | signals [signum - 1].pending = 1; |
|
|
1895 | evpipe_write (EV_A_ &sig_pending); |
|
|
1896 | } |
|
|
1897 | |
|
|
1898 | static void |
|
|
1899 | ev_sighandler (int signum) |
|
|
1900 | { |
|
|
1901 | #ifdef _WIN32 |
|
|
1902 | signal (signum, ev_sighandler); |
|
|
1903 | #endif |
|
|
1904 | |
|
|
1905 | ev_feed_signal (signum); |
|
|
1906 | } |
|
|
1907 | |
|
|
1908 | void noinline |
|
|
1909 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1910 | { |
|
|
1911 | WL w; |
|
|
1912 | |
|
|
1913 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
|
|
1914 | return; |
|
|
1915 | |
|
|
1916 | --signum; |
|
|
1917 | |
|
|
1918 | #if EV_MULTIPLICITY |
|
|
1919 | /* it is permissible to try to feed a signal to the wrong loop */ |
|
|
1920 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
|
|
1921 | |
|
|
1922 | if (expect_false (signals [signum].loop != EV_A)) |
|
|
1923 | return; |
|
|
1924 | #endif |
|
|
1925 | |
|
|
1926 | signals [signum].pending = 0; |
|
|
1927 | |
|
|
1928 | for (w = signals [signum].head; w; w = w->next) |
|
|
1929 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
1930 | } |
|
|
1931 | |
|
|
1932 | #if EV_USE_SIGNALFD |
|
|
1933 | static void |
|
|
1934 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1935 | { |
|
|
1936 | struct signalfd_siginfo si[2], *sip; /* these structs are big */ |
|
|
1937 | |
|
|
1938 | for (;;) |
|
|
1939 | { |
|
|
1940 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1941 | |
|
|
1942 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1943 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1944 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1945 | |
|
|
1946 | if (res < (ssize_t)sizeof (si)) |
|
|
1947 | break; |
|
|
1948 | } |
|
|
1949 | } |
|
|
1950 | #endif |
|
|
1951 | |
|
|
1952 | #endif |
|
|
1953 | |
|
|
1954 | /*****************************************************************************/ |
|
|
1955 | |
|
|
1956 | #if EV_CHILD_ENABLE |
805 | static WL childs [EV_PID_HASHSIZE]; |
1957 | static WL childs [EV_PID_HASHSIZE]; |
806 | |
1958 | |
807 | #ifndef _WIN32 |
|
|
808 | |
|
|
809 | static ev_signal childev; |
1959 | static ev_signal childev; |
810 | |
1960 | |
811 | void inline_speed |
1961 | #ifndef WIFCONTINUED |
|
|
1962 | # define WIFCONTINUED(status) 0 |
|
|
1963 | #endif |
|
|
1964 | |
|
|
1965 | /* handle a single child status event */ |
|
|
1966 | inline_speed void |
812 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1967 | child_reap (EV_P_ int chain, int pid, int status) |
813 | { |
1968 | { |
814 | ev_child *w; |
1969 | ev_child *w; |
|
|
1970 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
815 | |
1971 | |
816 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1972 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1973 | { |
817 | if (w->pid == pid || !w->pid) |
1974 | if ((w->pid == pid || !w->pid) |
|
|
1975 | && (!traced || (w->flags & 1))) |
818 | { |
1976 | { |
819 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1977 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
820 | w->rpid = pid; |
1978 | w->rpid = pid; |
821 | w->rstatus = status; |
1979 | w->rstatus = status; |
822 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1980 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
823 | } |
1981 | } |
|
|
1982 | } |
824 | } |
1983 | } |
825 | |
1984 | |
826 | #ifndef WCONTINUED |
1985 | #ifndef WCONTINUED |
827 | # define WCONTINUED 0 |
1986 | # define WCONTINUED 0 |
828 | #endif |
1987 | #endif |
829 | |
1988 | |
|
|
1989 | /* called on sigchld etc., calls waitpid */ |
830 | static void |
1990 | static void |
831 | childcb (EV_P_ ev_signal *sw, int revents) |
1991 | childcb (EV_P_ ev_signal *sw, int revents) |
832 | { |
1992 | { |
833 | int pid, status; |
1993 | int pid, status; |
834 | |
1994 | |
… | |
… | |
837 | if (!WCONTINUED |
1997 | if (!WCONTINUED |
838 | || errno != EINVAL |
1998 | || errno != EINVAL |
839 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1999 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
840 | return; |
2000 | return; |
841 | |
2001 | |
842 | /* make sure we are called again until all childs have been reaped */ |
2002 | /* make sure we are called again until all children have been reaped */ |
843 | /* we need to do it this way so that the callback gets called before we continue */ |
2003 | /* we need to do it this way so that the callback gets called before we continue */ |
844 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
2004 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
845 | |
2005 | |
846 | child_reap (EV_A_ sw, pid, pid, status); |
2006 | child_reap (EV_A_ pid, pid, status); |
847 | if (EV_PID_HASHSIZE > 1) |
2007 | if ((EV_PID_HASHSIZE) > 1) |
848 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
2008 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
849 | } |
2009 | } |
850 | |
2010 | |
851 | #endif |
2011 | #endif |
852 | |
2012 | |
853 | /*****************************************************************************/ |
2013 | /*****************************************************************************/ |
854 | |
2014 | |
|
|
2015 | #if EV_USE_IOCP |
|
|
2016 | # include "ev_iocp.c" |
|
|
2017 | #endif |
855 | #if EV_USE_PORT |
2018 | #if EV_USE_PORT |
856 | # include "ev_port.c" |
2019 | # include "ev_port.c" |
857 | #endif |
2020 | #endif |
858 | #if EV_USE_KQUEUE |
2021 | #if EV_USE_KQUEUE |
859 | # include "ev_kqueue.c" |
2022 | # include "ev_kqueue.c" |
… | |
… | |
866 | #endif |
2029 | #endif |
867 | #if EV_USE_SELECT |
2030 | #if EV_USE_SELECT |
868 | # include "ev_select.c" |
2031 | # include "ev_select.c" |
869 | #endif |
2032 | #endif |
870 | |
2033 | |
871 | int |
2034 | int ecb_cold |
872 | ev_version_major (void) |
2035 | ev_version_major (void) |
873 | { |
2036 | { |
874 | return EV_VERSION_MAJOR; |
2037 | return EV_VERSION_MAJOR; |
875 | } |
2038 | } |
876 | |
2039 | |
877 | int |
2040 | int ecb_cold |
878 | ev_version_minor (void) |
2041 | ev_version_minor (void) |
879 | { |
2042 | { |
880 | return EV_VERSION_MINOR; |
2043 | return EV_VERSION_MINOR; |
881 | } |
2044 | } |
882 | |
2045 | |
883 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2046 | /* return true if we are running with elevated privileges and should ignore env variables */ |
884 | int inline_size |
2047 | int inline_size ecb_cold |
885 | enable_secure (void) |
2048 | enable_secure (void) |
886 | { |
2049 | { |
887 | #ifdef _WIN32 |
2050 | #ifdef _WIN32 |
888 | return 0; |
2051 | return 0; |
889 | #else |
2052 | #else |
890 | return getuid () != geteuid () |
2053 | return getuid () != geteuid () |
891 | || getgid () != getegid (); |
2054 | || getgid () != getegid (); |
892 | #endif |
2055 | #endif |
893 | } |
2056 | } |
894 | |
2057 | |
895 | unsigned int |
2058 | unsigned int ecb_cold |
896 | ev_supported_backends (void) |
2059 | ev_supported_backends (void) |
897 | { |
2060 | { |
898 | unsigned int flags = 0; |
2061 | unsigned int flags = 0; |
899 | |
2062 | |
900 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2063 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
… | |
… | |
904 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2067 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
905 | |
2068 | |
906 | return flags; |
2069 | return flags; |
907 | } |
2070 | } |
908 | |
2071 | |
909 | unsigned int |
2072 | unsigned int ecb_cold |
910 | ev_recommended_backends (void) |
2073 | ev_recommended_backends (void) |
911 | { |
2074 | { |
912 | unsigned int flags = ev_supported_backends (); |
2075 | unsigned int flags = ev_supported_backends (); |
913 | |
2076 | |
914 | #ifndef __NetBSD__ |
2077 | #ifndef __NetBSD__ |
915 | /* kqueue is borked on everything but netbsd apparently */ |
2078 | /* kqueue is borked on everything but netbsd apparently */ |
916 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
2079 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
917 | flags &= ~EVBACKEND_KQUEUE; |
2080 | flags &= ~EVBACKEND_KQUEUE; |
918 | #endif |
2081 | #endif |
919 | #ifdef __APPLE__ |
2082 | #ifdef __APPLE__ |
920 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
2083 | /* only select works correctly on that "unix-certified" platform */ |
921 | flags &= ~EVBACKEND_POLL; |
2084 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
2085 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
|
|
2086 | #endif |
|
|
2087 | #ifdef __FreeBSD__ |
|
|
2088 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
922 | #endif |
2089 | #endif |
923 | |
2090 | |
924 | return flags; |
2091 | return flags; |
925 | } |
2092 | } |
926 | |
2093 | |
927 | unsigned int |
2094 | unsigned int ecb_cold |
928 | ev_embeddable_backends (void) |
2095 | ev_embeddable_backends (void) |
929 | { |
2096 | { |
930 | return EVBACKEND_EPOLL |
2097 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
931 | | EVBACKEND_KQUEUE |
2098 | |
932 | | EVBACKEND_PORT; |
2099 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
2100 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
|
|
2101 | flags &= ~EVBACKEND_EPOLL; |
|
|
2102 | |
|
|
2103 | return flags; |
933 | } |
2104 | } |
934 | |
2105 | |
935 | unsigned int |
2106 | unsigned int |
936 | ev_backend (EV_P) |
2107 | ev_backend (EV_P) |
937 | { |
2108 | { |
938 | return backend; |
2109 | return backend; |
939 | } |
2110 | } |
940 | |
2111 | |
|
|
2112 | #if EV_FEATURE_API |
941 | unsigned int |
2113 | unsigned int |
942 | ev_loop_count (EV_P) |
2114 | ev_iteration (EV_P) |
943 | { |
2115 | { |
944 | return loop_count; |
2116 | return loop_count; |
945 | } |
2117 | } |
946 | |
2118 | |
|
|
2119 | unsigned int |
|
|
2120 | ev_depth (EV_P) |
|
|
2121 | { |
|
|
2122 | return loop_depth; |
|
|
2123 | } |
|
|
2124 | |
|
|
2125 | void |
|
|
2126 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
2127 | { |
|
|
2128 | io_blocktime = interval; |
|
|
2129 | } |
|
|
2130 | |
|
|
2131 | void |
|
|
2132 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
2133 | { |
|
|
2134 | timeout_blocktime = interval; |
|
|
2135 | } |
|
|
2136 | |
|
|
2137 | void |
|
|
2138 | ev_set_userdata (EV_P_ void *data) |
|
|
2139 | { |
|
|
2140 | userdata = data; |
|
|
2141 | } |
|
|
2142 | |
|
|
2143 | void * |
|
|
2144 | ev_userdata (EV_P) |
|
|
2145 | { |
|
|
2146 | return userdata; |
|
|
2147 | } |
|
|
2148 | |
|
|
2149 | void |
|
|
2150 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
2151 | { |
|
|
2152 | invoke_cb = invoke_pending_cb; |
|
|
2153 | } |
|
|
2154 | |
|
|
2155 | void |
|
|
2156 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
2157 | { |
|
|
2158 | release_cb = release; |
|
|
2159 | acquire_cb = acquire; |
|
|
2160 | } |
|
|
2161 | #endif |
|
|
2162 | |
|
|
2163 | /* initialise a loop structure, must be zero-initialised */ |
947 | static void noinline |
2164 | static void noinline ecb_cold |
948 | loop_init (EV_P_ unsigned int flags) |
2165 | loop_init (EV_P_ unsigned int flags) |
949 | { |
2166 | { |
950 | if (!backend) |
2167 | if (!backend) |
951 | { |
2168 | { |
|
|
2169 | origflags = flags; |
|
|
2170 | |
|
|
2171 | #if EV_USE_REALTIME |
|
|
2172 | if (!have_realtime) |
|
|
2173 | { |
|
|
2174 | struct timespec ts; |
|
|
2175 | |
|
|
2176 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
2177 | have_realtime = 1; |
|
|
2178 | } |
|
|
2179 | #endif |
|
|
2180 | |
952 | #if EV_USE_MONOTONIC |
2181 | #if EV_USE_MONOTONIC |
|
|
2182 | if (!have_monotonic) |
953 | { |
2183 | { |
954 | struct timespec ts; |
2184 | struct timespec ts; |
|
|
2185 | |
955 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
2186 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
956 | have_monotonic = 1; |
2187 | have_monotonic = 1; |
957 | } |
2188 | } |
958 | #endif |
2189 | #endif |
959 | |
|
|
960 | ev_rt_now = ev_time (); |
|
|
961 | mn_now = get_clock (); |
|
|
962 | now_floor = mn_now; |
|
|
963 | rtmn_diff = ev_rt_now - mn_now; |
|
|
964 | |
2190 | |
965 | /* pid check not overridable via env */ |
2191 | /* pid check not overridable via env */ |
966 | #ifndef _WIN32 |
2192 | #ifndef _WIN32 |
967 | if (flags & EVFLAG_FORKCHECK) |
2193 | if (flags & EVFLAG_FORKCHECK) |
968 | curpid = getpid (); |
2194 | curpid = getpid (); |
… | |
… | |
971 | if (!(flags & EVFLAG_NOENV) |
2197 | if (!(flags & EVFLAG_NOENV) |
972 | && !enable_secure () |
2198 | && !enable_secure () |
973 | && getenv ("LIBEV_FLAGS")) |
2199 | && getenv ("LIBEV_FLAGS")) |
974 | flags = atoi (getenv ("LIBEV_FLAGS")); |
2200 | flags = atoi (getenv ("LIBEV_FLAGS")); |
975 | |
2201 | |
976 | if (!(flags & 0x0000ffffUL)) |
2202 | ev_rt_now = ev_time (); |
|
|
2203 | mn_now = get_clock (); |
|
|
2204 | now_floor = mn_now; |
|
|
2205 | rtmn_diff = ev_rt_now - mn_now; |
|
|
2206 | #if EV_FEATURE_API |
|
|
2207 | invoke_cb = ev_invoke_pending; |
|
|
2208 | #endif |
|
|
2209 | |
|
|
2210 | io_blocktime = 0.; |
|
|
2211 | timeout_blocktime = 0.; |
|
|
2212 | backend = 0; |
|
|
2213 | backend_fd = -1; |
|
|
2214 | sig_pending = 0; |
|
|
2215 | #if EV_ASYNC_ENABLE |
|
|
2216 | async_pending = 0; |
|
|
2217 | #endif |
|
|
2218 | pipe_write_skipped = 0; |
|
|
2219 | pipe_write_wanted = 0; |
|
|
2220 | #if EV_USE_INOTIFY |
|
|
2221 | fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; |
|
|
2222 | #endif |
|
|
2223 | #if EV_USE_SIGNALFD |
|
|
2224 | sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; |
|
|
2225 | #endif |
|
|
2226 | |
|
|
2227 | if (!(flags & EVBACKEND_MASK)) |
977 | flags |= ev_recommended_backends (); |
2228 | flags |= ev_recommended_backends (); |
978 | |
2229 | |
979 | backend = 0; |
|
|
980 | backend_fd = -1; |
|
|
981 | #if EV_USE_INOTIFY |
2230 | #if EV_USE_IOCP |
982 | fs_fd = -2; |
2231 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
983 | #endif |
2232 | #endif |
984 | |
|
|
985 | #if EV_USE_PORT |
2233 | #if EV_USE_PORT |
986 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2234 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
987 | #endif |
2235 | #endif |
988 | #if EV_USE_KQUEUE |
2236 | #if EV_USE_KQUEUE |
989 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2237 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
996 | #endif |
2244 | #endif |
997 | #if EV_USE_SELECT |
2245 | #if EV_USE_SELECT |
998 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2246 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
999 | #endif |
2247 | #endif |
1000 | |
2248 | |
|
|
2249 | ev_prepare_init (&pending_w, pendingcb); |
|
|
2250 | |
|
|
2251 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1001 | ev_init (&sigev, sigcb); |
2252 | ev_init (&pipe_w, pipecb); |
1002 | ev_set_priority (&sigev, EV_MAXPRI); |
2253 | ev_set_priority (&pipe_w, EV_MAXPRI); |
|
|
2254 | #endif |
1003 | } |
2255 | } |
1004 | } |
2256 | } |
1005 | |
2257 | |
1006 | static void noinline |
2258 | /* free up a loop structure */ |
|
|
2259 | void ecb_cold |
1007 | loop_destroy (EV_P) |
2260 | ev_loop_destroy (EV_P) |
1008 | { |
2261 | { |
1009 | int i; |
2262 | int i; |
|
|
2263 | |
|
|
2264 | #if EV_MULTIPLICITY |
|
|
2265 | /* mimic free (0) */ |
|
|
2266 | if (!EV_A) |
|
|
2267 | return; |
|
|
2268 | #endif |
|
|
2269 | |
|
|
2270 | #if EV_CLEANUP_ENABLE |
|
|
2271 | /* queue cleanup watchers (and execute them) */ |
|
|
2272 | if (expect_false (cleanupcnt)) |
|
|
2273 | { |
|
|
2274 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
|
|
2275 | EV_INVOKE_PENDING; |
|
|
2276 | } |
|
|
2277 | #endif |
|
|
2278 | |
|
|
2279 | #if EV_CHILD_ENABLE |
|
|
2280 | if (ev_is_active (&childev)) |
|
|
2281 | { |
|
|
2282 | ev_ref (EV_A); /* child watcher */ |
|
|
2283 | ev_signal_stop (EV_A_ &childev); |
|
|
2284 | } |
|
|
2285 | #endif |
|
|
2286 | |
|
|
2287 | if (ev_is_active (&pipe_w)) |
|
|
2288 | { |
|
|
2289 | /*ev_ref (EV_A);*/ |
|
|
2290 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
|
|
2291 | |
|
|
2292 | #if EV_USE_EVENTFD |
|
|
2293 | if (evfd >= 0) |
|
|
2294 | close (evfd); |
|
|
2295 | #endif |
|
|
2296 | |
|
|
2297 | if (evpipe [0] >= 0) |
|
|
2298 | { |
|
|
2299 | EV_WIN32_CLOSE_FD (evpipe [0]); |
|
|
2300 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
2301 | } |
|
|
2302 | } |
|
|
2303 | |
|
|
2304 | #if EV_USE_SIGNALFD |
|
|
2305 | if (ev_is_active (&sigfd_w)) |
|
|
2306 | close (sigfd); |
|
|
2307 | #endif |
1010 | |
2308 | |
1011 | #if EV_USE_INOTIFY |
2309 | #if EV_USE_INOTIFY |
1012 | if (fs_fd >= 0) |
2310 | if (fs_fd >= 0) |
1013 | close (fs_fd); |
2311 | close (fs_fd); |
1014 | #endif |
2312 | #endif |
1015 | |
2313 | |
1016 | if (backend_fd >= 0) |
2314 | if (backend_fd >= 0) |
1017 | close (backend_fd); |
2315 | close (backend_fd); |
1018 | |
2316 | |
|
|
2317 | #if EV_USE_IOCP |
|
|
2318 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
|
|
2319 | #endif |
1019 | #if EV_USE_PORT |
2320 | #if EV_USE_PORT |
1020 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2321 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1021 | #endif |
2322 | #endif |
1022 | #if EV_USE_KQUEUE |
2323 | #if EV_USE_KQUEUE |
1023 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
2324 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
… | |
… | |
1038 | #if EV_IDLE_ENABLE |
2339 | #if EV_IDLE_ENABLE |
1039 | array_free (idle, [i]); |
2340 | array_free (idle, [i]); |
1040 | #endif |
2341 | #endif |
1041 | } |
2342 | } |
1042 | |
2343 | |
|
|
2344 | ev_free (anfds); anfds = 0; anfdmax = 0; |
|
|
2345 | |
1043 | /* have to use the microsoft-never-gets-it-right macro */ |
2346 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
2347 | array_free (rfeed, EMPTY); |
1044 | array_free (fdchange, EMPTY); |
2348 | array_free (fdchange, EMPTY); |
1045 | array_free (timer, EMPTY); |
2349 | array_free (timer, EMPTY); |
1046 | #if EV_PERIODIC_ENABLE |
2350 | #if EV_PERIODIC_ENABLE |
1047 | array_free (periodic, EMPTY); |
2351 | array_free (periodic, EMPTY); |
1048 | #endif |
2352 | #endif |
|
|
2353 | #if EV_FORK_ENABLE |
|
|
2354 | array_free (fork, EMPTY); |
|
|
2355 | #endif |
|
|
2356 | #if EV_CLEANUP_ENABLE |
|
|
2357 | array_free (cleanup, EMPTY); |
|
|
2358 | #endif |
1049 | array_free (prepare, EMPTY); |
2359 | array_free (prepare, EMPTY); |
1050 | array_free (check, EMPTY); |
2360 | array_free (check, EMPTY); |
|
|
2361 | #if EV_ASYNC_ENABLE |
|
|
2362 | array_free (async, EMPTY); |
|
|
2363 | #endif |
1051 | |
2364 | |
1052 | backend = 0; |
2365 | backend = 0; |
1053 | } |
|
|
1054 | |
2366 | |
|
|
2367 | #if EV_MULTIPLICITY |
|
|
2368 | if (ev_is_default_loop (EV_A)) |
|
|
2369 | #endif |
|
|
2370 | ev_default_loop_ptr = 0; |
|
|
2371 | #if EV_MULTIPLICITY |
|
|
2372 | else |
|
|
2373 | ev_free (EV_A); |
|
|
2374 | #endif |
|
|
2375 | } |
|
|
2376 | |
|
|
2377 | #if EV_USE_INOTIFY |
1055 | void inline_size infy_fork (EV_P); |
2378 | inline_size void infy_fork (EV_P); |
|
|
2379 | #endif |
1056 | |
2380 | |
1057 | void inline_size |
2381 | inline_size void |
1058 | loop_fork (EV_P) |
2382 | loop_fork (EV_P) |
1059 | { |
2383 | { |
1060 | #if EV_USE_PORT |
2384 | #if EV_USE_PORT |
1061 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
2385 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1062 | #endif |
2386 | #endif |
… | |
… | |
1068 | #endif |
2392 | #endif |
1069 | #if EV_USE_INOTIFY |
2393 | #if EV_USE_INOTIFY |
1070 | infy_fork (EV_A); |
2394 | infy_fork (EV_A); |
1071 | #endif |
2395 | #endif |
1072 | |
2396 | |
1073 | if (ev_is_active (&sigev)) |
2397 | if (ev_is_active (&pipe_w)) |
1074 | { |
2398 | { |
1075 | /* default loop */ |
2399 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
1076 | |
2400 | |
1077 | ev_ref (EV_A); |
2401 | ev_ref (EV_A); |
1078 | ev_io_stop (EV_A_ &sigev); |
2402 | ev_io_stop (EV_A_ &pipe_w); |
1079 | close (sigpipe [0]); |
|
|
1080 | close (sigpipe [1]); |
|
|
1081 | |
2403 | |
1082 | while (pipe (sigpipe)) |
2404 | #if EV_USE_EVENTFD |
1083 | syserr ("(libev) error creating pipe"); |
2405 | if (evfd >= 0) |
|
|
2406 | close (evfd); |
|
|
2407 | #endif |
1084 | |
2408 | |
|
|
2409 | if (evpipe [0] >= 0) |
|
|
2410 | { |
|
|
2411 | EV_WIN32_CLOSE_FD (evpipe [0]); |
|
|
2412 | EV_WIN32_CLOSE_FD (evpipe [1]); |
|
|
2413 | } |
|
|
2414 | |
|
|
2415 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
1085 | siginit (EV_A); |
2416 | evpipe_init (EV_A); |
|
|
2417 | /* now iterate over everything, in case we missed something */ |
|
|
2418 | pipecb (EV_A_ &pipe_w, EV_READ); |
|
|
2419 | #endif |
1086 | } |
2420 | } |
1087 | |
2421 | |
1088 | postfork = 0; |
2422 | postfork = 0; |
1089 | } |
2423 | } |
1090 | |
2424 | |
1091 | #if EV_MULTIPLICITY |
2425 | #if EV_MULTIPLICITY |
|
|
2426 | |
1092 | struct ev_loop * |
2427 | struct ev_loop * ecb_cold |
1093 | ev_loop_new (unsigned int flags) |
2428 | ev_loop_new (unsigned int flags) |
1094 | { |
2429 | { |
1095 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2430 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1096 | |
2431 | |
1097 | memset (loop, 0, sizeof (struct ev_loop)); |
2432 | memset (EV_A, 0, sizeof (struct ev_loop)); |
1098 | |
|
|
1099 | loop_init (EV_A_ flags); |
2433 | loop_init (EV_A_ flags); |
1100 | |
2434 | |
1101 | if (ev_backend (EV_A)) |
2435 | if (ev_backend (EV_A)) |
1102 | return loop; |
2436 | return EV_A; |
1103 | |
2437 | |
|
|
2438 | ev_free (EV_A); |
1104 | return 0; |
2439 | return 0; |
1105 | } |
2440 | } |
1106 | |
2441 | |
1107 | void |
2442 | #endif /* multiplicity */ |
1108 | ev_loop_destroy (EV_P) |
|
|
1109 | { |
|
|
1110 | loop_destroy (EV_A); |
|
|
1111 | ev_free (loop); |
|
|
1112 | } |
|
|
1113 | |
2443 | |
1114 | void |
2444 | #if EV_VERIFY |
1115 | ev_loop_fork (EV_P) |
2445 | static void noinline ecb_cold |
|
|
2446 | verify_watcher (EV_P_ W w) |
1116 | { |
2447 | { |
1117 | postfork = 1; |
2448 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
1118 | } |
|
|
1119 | |
2449 | |
|
|
2450 | if (w->pending) |
|
|
2451 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
2452 | } |
|
|
2453 | |
|
|
2454 | static void noinline ecb_cold |
|
|
2455 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
2456 | { |
|
|
2457 | int i; |
|
|
2458 | |
|
|
2459 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
2460 | { |
|
|
2461 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
2462 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
2463 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
2464 | |
|
|
2465 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
2466 | } |
|
|
2467 | } |
|
|
2468 | |
|
|
2469 | static void noinline ecb_cold |
|
|
2470 | array_verify (EV_P_ W *ws, int cnt) |
|
|
2471 | { |
|
|
2472 | while (cnt--) |
|
|
2473 | { |
|
|
2474 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
2475 | verify_watcher (EV_A_ ws [cnt]); |
|
|
2476 | } |
|
|
2477 | } |
|
|
2478 | #endif |
|
|
2479 | |
|
|
2480 | #if EV_FEATURE_API |
|
|
2481 | void ecb_cold |
|
|
2482 | ev_verify (EV_P) |
|
|
2483 | { |
|
|
2484 | #if EV_VERIFY |
|
|
2485 | int i; |
|
|
2486 | WL w; |
|
|
2487 | |
|
|
2488 | assert (activecnt >= -1); |
|
|
2489 | |
|
|
2490 | assert (fdchangemax >= fdchangecnt); |
|
|
2491 | for (i = 0; i < fdchangecnt; ++i) |
|
|
2492 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
2493 | |
|
|
2494 | assert (anfdmax >= 0); |
|
|
2495 | for (i = 0; i < anfdmax; ++i) |
|
|
2496 | for (w = anfds [i].head; w; w = w->next) |
|
|
2497 | { |
|
|
2498 | verify_watcher (EV_A_ (W)w); |
|
|
2499 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
2500 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
2501 | } |
|
|
2502 | |
|
|
2503 | assert (timermax >= timercnt); |
|
|
2504 | verify_heap (EV_A_ timers, timercnt); |
|
|
2505 | |
|
|
2506 | #if EV_PERIODIC_ENABLE |
|
|
2507 | assert (periodicmax >= periodiccnt); |
|
|
2508 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
2509 | #endif |
|
|
2510 | |
|
|
2511 | for (i = NUMPRI; i--; ) |
|
|
2512 | { |
|
|
2513 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
2514 | #if EV_IDLE_ENABLE |
|
|
2515 | assert (idleall >= 0); |
|
|
2516 | assert (idlemax [i] >= idlecnt [i]); |
|
|
2517 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
2518 | #endif |
|
|
2519 | } |
|
|
2520 | |
|
|
2521 | #if EV_FORK_ENABLE |
|
|
2522 | assert (forkmax >= forkcnt); |
|
|
2523 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
2524 | #endif |
|
|
2525 | |
|
|
2526 | #if EV_CLEANUP_ENABLE |
|
|
2527 | assert (cleanupmax >= cleanupcnt); |
|
|
2528 | array_verify (EV_A_ (W *)cleanups, cleanupcnt); |
|
|
2529 | #endif |
|
|
2530 | |
|
|
2531 | #if EV_ASYNC_ENABLE |
|
|
2532 | assert (asyncmax >= asynccnt); |
|
|
2533 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
2534 | #endif |
|
|
2535 | |
|
|
2536 | #if EV_PREPARE_ENABLE |
|
|
2537 | assert (preparemax >= preparecnt); |
|
|
2538 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
2539 | #endif |
|
|
2540 | |
|
|
2541 | #if EV_CHECK_ENABLE |
|
|
2542 | assert (checkmax >= checkcnt); |
|
|
2543 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
2544 | #endif |
|
|
2545 | |
|
|
2546 | # if 0 |
|
|
2547 | #if EV_CHILD_ENABLE |
|
|
2548 | for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
2549 | for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) |
|
|
2550 | #endif |
|
|
2551 | # endif |
|
|
2552 | #endif |
|
|
2553 | } |
1120 | #endif |
2554 | #endif |
1121 | |
2555 | |
1122 | #if EV_MULTIPLICITY |
2556 | #if EV_MULTIPLICITY |
1123 | struct ev_loop * |
2557 | struct ev_loop * ecb_cold |
1124 | ev_default_loop_init (unsigned int flags) |
|
|
1125 | #else |
2558 | #else |
1126 | int |
2559 | int |
|
|
2560 | #endif |
1127 | ev_default_loop (unsigned int flags) |
2561 | ev_default_loop (unsigned int flags) |
1128 | #endif |
|
|
1129 | { |
2562 | { |
1130 | if (sigpipe [0] == sigpipe [1]) |
|
|
1131 | if (pipe (sigpipe)) |
|
|
1132 | return 0; |
|
|
1133 | |
|
|
1134 | if (!ev_default_loop_ptr) |
2563 | if (!ev_default_loop_ptr) |
1135 | { |
2564 | { |
1136 | #if EV_MULTIPLICITY |
2565 | #if EV_MULTIPLICITY |
1137 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
2566 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
1138 | #else |
2567 | #else |
1139 | ev_default_loop_ptr = 1; |
2568 | ev_default_loop_ptr = 1; |
1140 | #endif |
2569 | #endif |
1141 | |
2570 | |
1142 | loop_init (EV_A_ flags); |
2571 | loop_init (EV_A_ flags); |
1143 | |
2572 | |
1144 | if (ev_backend (EV_A)) |
2573 | if (ev_backend (EV_A)) |
1145 | { |
2574 | { |
1146 | siginit (EV_A); |
2575 | #if EV_CHILD_ENABLE |
1147 | |
|
|
1148 | #ifndef _WIN32 |
|
|
1149 | ev_signal_init (&childev, childcb, SIGCHLD); |
2576 | ev_signal_init (&childev, childcb, SIGCHLD); |
1150 | ev_set_priority (&childev, EV_MAXPRI); |
2577 | ev_set_priority (&childev, EV_MAXPRI); |
1151 | ev_signal_start (EV_A_ &childev); |
2578 | ev_signal_start (EV_A_ &childev); |
1152 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
2579 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1153 | #endif |
2580 | #endif |
… | |
… | |
1158 | |
2585 | |
1159 | return ev_default_loop_ptr; |
2586 | return ev_default_loop_ptr; |
1160 | } |
2587 | } |
1161 | |
2588 | |
1162 | void |
2589 | void |
1163 | ev_default_destroy (void) |
2590 | ev_loop_fork (EV_P) |
1164 | { |
2591 | { |
1165 | #if EV_MULTIPLICITY |
2592 | postfork = 1; /* must be in line with ev_default_fork */ |
1166 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1167 | #endif |
|
|
1168 | |
|
|
1169 | #ifndef _WIN32 |
|
|
1170 | ev_ref (EV_A); /* child watcher */ |
|
|
1171 | ev_signal_stop (EV_A_ &childev); |
|
|
1172 | #endif |
|
|
1173 | |
|
|
1174 | ev_ref (EV_A); /* signal watcher */ |
|
|
1175 | ev_io_stop (EV_A_ &sigev); |
|
|
1176 | |
|
|
1177 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1178 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1179 | |
|
|
1180 | loop_destroy (EV_A); |
|
|
1181 | } |
|
|
1182 | |
|
|
1183 | void |
|
|
1184 | ev_default_fork (void) |
|
|
1185 | { |
|
|
1186 | #if EV_MULTIPLICITY |
|
|
1187 | struct ev_loop *loop = ev_default_loop_ptr; |
|
|
1188 | #endif |
|
|
1189 | |
|
|
1190 | if (backend) |
|
|
1191 | postfork = 1; |
|
|
1192 | } |
2593 | } |
1193 | |
2594 | |
1194 | /*****************************************************************************/ |
2595 | /*****************************************************************************/ |
1195 | |
2596 | |
1196 | void |
2597 | void |
1197 | ev_invoke (EV_P_ void *w, int revents) |
2598 | ev_invoke (EV_P_ void *w, int revents) |
1198 | { |
2599 | { |
1199 | EV_CB_INVOKE ((W)w, revents); |
2600 | EV_CB_INVOKE ((W)w, revents); |
1200 | } |
2601 | } |
1201 | |
2602 | |
1202 | void inline_speed |
2603 | unsigned int |
1203 | call_pending (EV_P) |
2604 | ev_pending_count (EV_P) |
|
|
2605 | { |
|
|
2606 | int pri; |
|
|
2607 | unsigned int count = 0; |
|
|
2608 | |
|
|
2609 | for (pri = NUMPRI; pri--; ) |
|
|
2610 | count += pendingcnt [pri]; |
|
|
2611 | |
|
|
2612 | return count; |
|
|
2613 | } |
|
|
2614 | |
|
|
2615 | void noinline |
|
|
2616 | ev_invoke_pending (EV_P) |
1204 | { |
2617 | { |
1205 | int pri; |
2618 | int pri; |
1206 | |
2619 | |
1207 | for (pri = NUMPRI; pri--; ) |
2620 | for (pri = NUMPRI; pri--; ) |
1208 | while (pendingcnt [pri]) |
2621 | while (pendingcnt [pri]) |
1209 | { |
2622 | { |
1210 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2623 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1211 | |
2624 | |
1212 | if (expect_true (p->w)) |
|
|
1213 | { |
|
|
1214 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1215 | |
|
|
1216 | p->w->pending = 0; |
2625 | p->w->pending = 0; |
1217 | EV_CB_INVOKE (p->w, p->events); |
2626 | EV_CB_INVOKE (p->w, p->events); |
1218 | } |
2627 | EV_FREQUENT_CHECK; |
1219 | } |
2628 | } |
1220 | } |
2629 | } |
1221 | |
2630 | |
1222 | void inline_size |
|
|
1223 | timers_reify (EV_P) |
|
|
1224 | { |
|
|
1225 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1226 | { |
|
|
1227 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1228 | |
|
|
1229 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1230 | |
|
|
1231 | /* first reschedule or stop timer */ |
|
|
1232 | if (w->repeat) |
|
|
1233 | { |
|
|
1234 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1235 | |
|
|
1236 | ((WT)w)->at += w->repeat; |
|
|
1237 | if (((WT)w)->at < mn_now) |
|
|
1238 | ((WT)w)->at = mn_now; |
|
|
1239 | |
|
|
1240 | downheap (timers, timercnt, 0); |
|
|
1241 | } |
|
|
1242 | else |
|
|
1243 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1244 | |
|
|
1245 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1246 | } |
|
|
1247 | } |
|
|
1248 | |
|
|
1249 | #if EV_PERIODIC_ENABLE |
|
|
1250 | void inline_size |
|
|
1251 | periodics_reify (EV_P) |
|
|
1252 | { |
|
|
1253 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1254 | { |
|
|
1255 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1256 | |
|
|
1257 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1258 | |
|
|
1259 | /* first reschedule or stop timer */ |
|
|
1260 | if (w->reschedule_cb) |
|
|
1261 | { |
|
|
1262 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1263 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1264 | downheap (periodics, periodiccnt, 0); |
|
|
1265 | } |
|
|
1266 | else if (w->interval) |
|
|
1267 | { |
|
|
1268 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1269 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1270 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1271 | downheap (periodics, periodiccnt, 0); |
|
|
1272 | } |
|
|
1273 | else |
|
|
1274 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1275 | |
|
|
1276 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1277 | } |
|
|
1278 | } |
|
|
1279 | |
|
|
1280 | static void noinline |
|
|
1281 | periodics_reschedule (EV_P) |
|
|
1282 | { |
|
|
1283 | int i; |
|
|
1284 | |
|
|
1285 | /* adjust periodics after time jump */ |
|
|
1286 | for (i = 0; i < periodiccnt; ++i) |
|
|
1287 | { |
|
|
1288 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1289 | |
|
|
1290 | if (w->reschedule_cb) |
|
|
1291 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1292 | else if (w->interval) |
|
|
1293 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1294 | } |
|
|
1295 | |
|
|
1296 | /* now rebuild the heap */ |
|
|
1297 | for (i = periodiccnt >> 1; i--; ) |
|
|
1298 | downheap (periodics, periodiccnt, i); |
|
|
1299 | } |
|
|
1300 | #endif |
|
|
1301 | |
|
|
1302 | #if EV_IDLE_ENABLE |
2631 | #if EV_IDLE_ENABLE |
1303 | void inline_size |
2632 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
2633 | /* only when higher priorities are idle" logic */ |
|
|
2634 | inline_size void |
1304 | idle_reify (EV_P) |
2635 | idle_reify (EV_P) |
1305 | { |
2636 | { |
1306 | if (expect_false (idleall)) |
2637 | if (expect_false (idleall)) |
1307 | { |
2638 | { |
1308 | int pri; |
2639 | int pri; |
… | |
… | |
1320 | } |
2651 | } |
1321 | } |
2652 | } |
1322 | } |
2653 | } |
1323 | #endif |
2654 | #endif |
1324 | |
2655 | |
1325 | void inline_speed |
2656 | /* make timers pending */ |
|
|
2657 | inline_size void |
|
|
2658 | timers_reify (EV_P) |
|
|
2659 | { |
|
|
2660 | EV_FREQUENT_CHECK; |
|
|
2661 | |
|
|
2662 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
2663 | { |
|
|
2664 | do |
|
|
2665 | { |
|
|
2666 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
2667 | |
|
|
2668 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
2669 | |
|
|
2670 | /* first reschedule or stop timer */ |
|
|
2671 | if (w->repeat) |
|
|
2672 | { |
|
|
2673 | ev_at (w) += w->repeat; |
|
|
2674 | if (ev_at (w) < mn_now) |
|
|
2675 | ev_at (w) = mn_now; |
|
|
2676 | |
|
|
2677 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
2678 | |
|
|
2679 | ANHE_at_cache (timers [HEAP0]); |
|
|
2680 | downheap (timers, timercnt, HEAP0); |
|
|
2681 | } |
|
|
2682 | else |
|
|
2683 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2684 | |
|
|
2685 | EV_FREQUENT_CHECK; |
|
|
2686 | feed_reverse (EV_A_ (W)w); |
|
|
2687 | } |
|
|
2688 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
|
|
2689 | |
|
|
2690 | feed_reverse_done (EV_A_ EV_TIMER); |
|
|
2691 | } |
|
|
2692 | } |
|
|
2693 | |
|
|
2694 | #if EV_PERIODIC_ENABLE |
|
|
2695 | |
|
|
2696 | static void noinline |
|
|
2697 | periodic_recalc (EV_P_ ev_periodic *w) |
|
|
2698 | { |
|
|
2699 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
|
|
2700 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
|
|
2701 | |
|
|
2702 | /* the above almost always errs on the low side */ |
|
|
2703 | while (at <= ev_rt_now) |
|
|
2704 | { |
|
|
2705 | ev_tstamp nat = at + w->interval; |
|
|
2706 | |
|
|
2707 | /* when resolution fails us, we use ev_rt_now */ |
|
|
2708 | if (expect_false (nat == at)) |
|
|
2709 | { |
|
|
2710 | at = ev_rt_now; |
|
|
2711 | break; |
|
|
2712 | } |
|
|
2713 | |
|
|
2714 | at = nat; |
|
|
2715 | } |
|
|
2716 | |
|
|
2717 | ev_at (w) = at; |
|
|
2718 | } |
|
|
2719 | |
|
|
2720 | /* make periodics pending */ |
|
|
2721 | inline_size void |
|
|
2722 | periodics_reify (EV_P) |
|
|
2723 | { |
|
|
2724 | EV_FREQUENT_CHECK; |
|
|
2725 | |
|
|
2726 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
2727 | { |
|
|
2728 | int feed_count = 0; |
|
|
2729 | |
|
|
2730 | do |
|
|
2731 | { |
|
|
2732 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
2733 | |
|
|
2734 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
2735 | |
|
|
2736 | /* first reschedule or stop timer */ |
|
|
2737 | if (w->reschedule_cb) |
|
|
2738 | { |
|
|
2739 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
2740 | |
|
|
2741 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
2742 | |
|
|
2743 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2744 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2745 | } |
|
|
2746 | else if (w->interval) |
|
|
2747 | { |
|
|
2748 | periodic_recalc (EV_A_ w); |
|
|
2749 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2750 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2751 | } |
|
|
2752 | else |
|
|
2753 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2754 | |
|
|
2755 | EV_FREQUENT_CHECK; |
|
|
2756 | feed_reverse (EV_A_ (W)w); |
|
|
2757 | } |
|
|
2758 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
|
|
2759 | |
|
|
2760 | feed_reverse_done (EV_A_ EV_PERIODIC); |
|
|
2761 | } |
|
|
2762 | } |
|
|
2763 | |
|
|
2764 | /* simply recalculate all periodics */ |
|
|
2765 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
|
|
2766 | static void noinline ecb_cold |
|
|
2767 | periodics_reschedule (EV_P) |
|
|
2768 | { |
|
|
2769 | int i; |
|
|
2770 | |
|
|
2771 | /* adjust periodics after time jump */ |
|
|
2772 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
2773 | { |
|
|
2774 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
2775 | |
|
|
2776 | if (w->reschedule_cb) |
|
|
2777 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
2778 | else if (w->interval) |
|
|
2779 | periodic_recalc (EV_A_ w); |
|
|
2780 | |
|
|
2781 | ANHE_at_cache (periodics [i]); |
|
|
2782 | } |
|
|
2783 | |
|
|
2784 | reheap (periodics, periodiccnt); |
|
|
2785 | } |
|
|
2786 | #endif |
|
|
2787 | |
|
|
2788 | /* adjust all timers by a given offset */ |
|
|
2789 | static void noinline ecb_cold |
|
|
2790 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
2791 | { |
|
|
2792 | int i; |
|
|
2793 | |
|
|
2794 | for (i = 0; i < timercnt; ++i) |
|
|
2795 | { |
|
|
2796 | ANHE *he = timers + i + HEAP0; |
|
|
2797 | ANHE_w (*he)->at += adjust; |
|
|
2798 | ANHE_at_cache (*he); |
|
|
2799 | } |
|
|
2800 | } |
|
|
2801 | |
|
|
2802 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2803 | /* also detect if there was a timejump, and act accordingly */ |
|
|
2804 | inline_speed void |
1326 | time_update (EV_P_ ev_tstamp max_block) |
2805 | time_update (EV_P_ ev_tstamp max_block) |
1327 | { |
2806 | { |
1328 | int i; |
|
|
1329 | |
|
|
1330 | #if EV_USE_MONOTONIC |
2807 | #if EV_USE_MONOTONIC |
1331 | if (expect_true (have_monotonic)) |
2808 | if (expect_true (have_monotonic)) |
1332 | { |
2809 | { |
|
|
2810 | int i; |
1333 | ev_tstamp odiff = rtmn_diff; |
2811 | ev_tstamp odiff = rtmn_diff; |
1334 | |
2812 | |
1335 | mn_now = get_clock (); |
2813 | mn_now = get_clock (); |
1336 | |
2814 | |
1337 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2815 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1353 | * doesn't hurt either as we only do this on time-jumps or |
2831 | * doesn't hurt either as we only do this on time-jumps or |
1354 | * in the unlikely event of having been preempted here. |
2832 | * in the unlikely event of having been preempted here. |
1355 | */ |
2833 | */ |
1356 | for (i = 4; --i; ) |
2834 | for (i = 4; --i; ) |
1357 | { |
2835 | { |
|
|
2836 | ev_tstamp diff; |
1358 | rtmn_diff = ev_rt_now - mn_now; |
2837 | rtmn_diff = ev_rt_now - mn_now; |
1359 | |
2838 | |
1360 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
2839 | diff = odiff - rtmn_diff; |
|
|
2840 | |
|
|
2841 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
1361 | return; /* all is well */ |
2842 | return; /* all is well */ |
1362 | |
2843 | |
1363 | ev_rt_now = ev_time (); |
2844 | ev_rt_now = ev_time (); |
1364 | mn_now = get_clock (); |
2845 | mn_now = get_clock (); |
1365 | now_floor = mn_now; |
2846 | now_floor = mn_now; |
1366 | } |
2847 | } |
1367 | |
2848 | |
|
|
2849 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2850 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1368 | # if EV_PERIODIC_ENABLE |
2851 | # if EV_PERIODIC_ENABLE |
1369 | periodics_reschedule (EV_A); |
2852 | periodics_reschedule (EV_A); |
1370 | # endif |
2853 | # endif |
1371 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1372 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1373 | } |
2854 | } |
1374 | else |
2855 | else |
1375 | #endif |
2856 | #endif |
1376 | { |
2857 | { |
1377 | ev_rt_now = ev_time (); |
2858 | ev_rt_now = ev_time (); |
1378 | |
2859 | |
1379 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2860 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1380 | { |
2861 | { |
|
|
2862 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2863 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1381 | #if EV_PERIODIC_ENABLE |
2864 | #if EV_PERIODIC_ENABLE |
1382 | periodics_reschedule (EV_A); |
2865 | periodics_reschedule (EV_A); |
1383 | #endif |
2866 | #endif |
1384 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1385 | for (i = 0; i < timercnt; ++i) |
|
|
1386 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
|
|
1387 | } |
2867 | } |
1388 | |
2868 | |
1389 | mn_now = ev_rt_now; |
2869 | mn_now = ev_rt_now; |
1390 | } |
2870 | } |
1391 | } |
2871 | } |
1392 | |
2872 | |
1393 | void |
2873 | void |
1394 | ev_ref (EV_P) |
|
|
1395 | { |
|
|
1396 | ++activecnt; |
|
|
1397 | } |
|
|
1398 | |
|
|
1399 | void |
|
|
1400 | ev_unref (EV_P) |
|
|
1401 | { |
|
|
1402 | --activecnt; |
|
|
1403 | } |
|
|
1404 | |
|
|
1405 | static int loop_done; |
|
|
1406 | |
|
|
1407 | void |
|
|
1408 | ev_loop (EV_P_ int flags) |
2874 | ev_run (EV_P_ int flags) |
1409 | { |
2875 | { |
1410 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
2876 | #if EV_FEATURE_API |
1411 | ? EVUNLOOP_ONE |
2877 | ++loop_depth; |
1412 | : EVUNLOOP_CANCEL; |
2878 | #endif |
1413 | |
2879 | |
|
|
2880 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
|
|
2881 | |
|
|
2882 | loop_done = EVBREAK_CANCEL; |
|
|
2883 | |
1414 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2884 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1415 | |
2885 | |
1416 | do |
2886 | do |
1417 | { |
2887 | { |
|
|
2888 | #if EV_VERIFY >= 2 |
|
|
2889 | ev_verify (EV_A); |
|
|
2890 | #endif |
|
|
2891 | |
1418 | #ifndef _WIN32 |
2892 | #ifndef _WIN32 |
1419 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2893 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1420 | if (expect_false (getpid () != curpid)) |
2894 | if (expect_false (getpid () != curpid)) |
1421 | { |
2895 | { |
1422 | curpid = getpid (); |
2896 | curpid = getpid (); |
… | |
… | |
1428 | /* we might have forked, so queue fork handlers */ |
2902 | /* we might have forked, so queue fork handlers */ |
1429 | if (expect_false (postfork)) |
2903 | if (expect_false (postfork)) |
1430 | if (forkcnt) |
2904 | if (forkcnt) |
1431 | { |
2905 | { |
1432 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2906 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1433 | call_pending (EV_A); |
2907 | EV_INVOKE_PENDING; |
1434 | } |
2908 | } |
1435 | #endif |
2909 | #endif |
1436 | |
2910 | |
|
|
2911 | #if EV_PREPARE_ENABLE |
1437 | /* queue prepare watchers (and execute them) */ |
2912 | /* queue prepare watchers (and execute them) */ |
1438 | if (expect_false (preparecnt)) |
2913 | if (expect_false (preparecnt)) |
1439 | { |
2914 | { |
1440 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2915 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1441 | call_pending (EV_A); |
2916 | EV_INVOKE_PENDING; |
1442 | } |
2917 | } |
|
|
2918 | #endif |
1443 | |
2919 | |
1444 | if (expect_false (!activecnt)) |
2920 | if (expect_false (loop_done)) |
1445 | break; |
2921 | break; |
1446 | |
2922 | |
1447 | /* we might have forked, so reify kernel state if necessary */ |
2923 | /* we might have forked, so reify kernel state if necessary */ |
1448 | if (expect_false (postfork)) |
2924 | if (expect_false (postfork)) |
1449 | loop_fork (EV_A); |
2925 | loop_fork (EV_A); |
… | |
… | |
1451 | /* update fd-related kernel structures */ |
2927 | /* update fd-related kernel structures */ |
1452 | fd_reify (EV_A); |
2928 | fd_reify (EV_A); |
1453 | |
2929 | |
1454 | /* calculate blocking time */ |
2930 | /* calculate blocking time */ |
1455 | { |
2931 | { |
1456 | ev_tstamp block; |
2932 | ev_tstamp waittime = 0.; |
|
|
2933 | ev_tstamp sleeptime = 0.; |
1457 | |
2934 | |
1458 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
2935 | /* remember old timestamp for io_blocktime calculation */ |
1459 | block = 0.; /* do not block at all */ |
2936 | ev_tstamp prev_mn_now = mn_now; |
1460 | else |
2937 | |
|
|
2938 | /* update time to cancel out callback processing overhead */ |
|
|
2939 | time_update (EV_A_ 1e100); |
|
|
2940 | |
|
|
2941 | /* from now on, we want a pipe-wake-up */ |
|
|
2942 | pipe_write_wanted = 1; |
|
|
2943 | |
|
|
2944 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
2945 | |
|
|
2946 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
1461 | { |
2947 | { |
1462 | /* update time to cancel out callback processing overhead */ |
|
|
1463 | time_update (EV_A_ 1e100); |
|
|
1464 | |
|
|
1465 | block = MAX_BLOCKTIME; |
2948 | waittime = MAX_BLOCKTIME; |
1466 | |
2949 | |
1467 | if (timercnt) |
2950 | if (timercnt) |
1468 | { |
2951 | { |
1469 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2952 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now; |
1470 | if (block > to) block = to; |
2953 | if (waittime > to) waittime = to; |
1471 | } |
2954 | } |
1472 | |
2955 | |
1473 | #if EV_PERIODIC_ENABLE |
2956 | #if EV_PERIODIC_ENABLE |
1474 | if (periodiccnt) |
2957 | if (periodiccnt) |
1475 | { |
2958 | { |
1476 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2959 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now; |
1477 | if (block > to) block = to; |
2960 | if (waittime > to) waittime = to; |
1478 | } |
2961 | } |
1479 | #endif |
2962 | #endif |
1480 | |
2963 | |
|
|
2964 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
|
|
2965 | if (expect_false (waittime < timeout_blocktime)) |
|
|
2966 | waittime = timeout_blocktime; |
|
|
2967 | |
|
|
2968 | /* at this point, we NEED to wait, so we have to ensure */ |
|
|
2969 | /* to pass a minimum nonzero value to the backend */ |
|
|
2970 | if (expect_false (waittime < backend_mintime)) |
|
|
2971 | waittime = backend_mintime; |
|
|
2972 | |
|
|
2973 | /* extra check because io_blocktime is commonly 0 */ |
1481 | if (expect_false (block < 0.)) block = 0.; |
2974 | if (expect_false (io_blocktime)) |
|
|
2975 | { |
|
|
2976 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2977 | |
|
|
2978 | if (sleeptime > waittime - backend_mintime) |
|
|
2979 | sleeptime = waittime - backend_mintime; |
|
|
2980 | |
|
|
2981 | if (expect_true (sleeptime > 0.)) |
|
|
2982 | { |
|
|
2983 | ev_sleep (sleeptime); |
|
|
2984 | waittime -= sleeptime; |
|
|
2985 | } |
|
|
2986 | } |
1482 | } |
2987 | } |
1483 | |
2988 | |
|
|
2989 | #if EV_FEATURE_API |
1484 | ++loop_count; |
2990 | ++loop_count; |
|
|
2991 | #endif |
|
|
2992 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
1485 | backend_poll (EV_A_ block); |
2993 | backend_poll (EV_A_ waittime); |
|
|
2994 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
|
|
2995 | |
|
|
2996 | pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ |
|
|
2997 | |
|
|
2998 | if (pipe_write_skipped) |
|
|
2999 | { |
|
|
3000 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
|
|
3001 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
|
|
3002 | } |
|
|
3003 | |
1486 | |
3004 | |
1487 | /* update ev_rt_now, do magic */ |
3005 | /* update ev_rt_now, do magic */ |
1488 | time_update (EV_A_ block); |
3006 | time_update (EV_A_ waittime + sleeptime); |
1489 | } |
3007 | } |
1490 | |
3008 | |
1491 | /* queue pending timers and reschedule them */ |
3009 | /* queue pending timers and reschedule them */ |
1492 | timers_reify (EV_A); /* relative timers called last */ |
3010 | timers_reify (EV_A); /* relative timers called last */ |
1493 | #if EV_PERIODIC_ENABLE |
3011 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1497 | #if EV_IDLE_ENABLE |
3015 | #if EV_IDLE_ENABLE |
1498 | /* queue idle watchers unless other events are pending */ |
3016 | /* queue idle watchers unless other events are pending */ |
1499 | idle_reify (EV_A); |
3017 | idle_reify (EV_A); |
1500 | #endif |
3018 | #endif |
1501 | |
3019 | |
|
|
3020 | #if EV_CHECK_ENABLE |
1502 | /* queue check watchers, to be executed first */ |
3021 | /* queue check watchers, to be executed first */ |
1503 | if (expect_false (checkcnt)) |
3022 | if (expect_false (checkcnt)) |
1504 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3023 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
|
|
3024 | #endif |
1505 | |
3025 | |
1506 | call_pending (EV_A); |
3026 | EV_INVOKE_PENDING; |
1507 | |
|
|
1508 | } |
3027 | } |
1509 | while (expect_true (activecnt && !loop_done)); |
3028 | while (expect_true ( |
|
|
3029 | activecnt |
|
|
3030 | && !loop_done |
|
|
3031 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
|
|
3032 | )); |
1510 | |
3033 | |
1511 | if (loop_done == EVUNLOOP_ONE) |
3034 | if (loop_done == EVBREAK_ONE) |
1512 | loop_done = EVUNLOOP_CANCEL; |
3035 | loop_done = EVBREAK_CANCEL; |
|
|
3036 | |
|
|
3037 | #if EV_FEATURE_API |
|
|
3038 | --loop_depth; |
|
|
3039 | #endif |
1513 | } |
3040 | } |
1514 | |
3041 | |
1515 | void |
3042 | void |
1516 | ev_unloop (EV_P_ int how) |
3043 | ev_break (EV_P_ int how) |
1517 | { |
3044 | { |
1518 | loop_done = how; |
3045 | loop_done = how; |
1519 | } |
3046 | } |
1520 | |
3047 | |
|
|
3048 | void |
|
|
3049 | ev_ref (EV_P) |
|
|
3050 | { |
|
|
3051 | ++activecnt; |
|
|
3052 | } |
|
|
3053 | |
|
|
3054 | void |
|
|
3055 | ev_unref (EV_P) |
|
|
3056 | { |
|
|
3057 | --activecnt; |
|
|
3058 | } |
|
|
3059 | |
|
|
3060 | void |
|
|
3061 | ev_now_update (EV_P) |
|
|
3062 | { |
|
|
3063 | time_update (EV_A_ 1e100); |
|
|
3064 | } |
|
|
3065 | |
|
|
3066 | void |
|
|
3067 | ev_suspend (EV_P) |
|
|
3068 | { |
|
|
3069 | ev_now_update (EV_A); |
|
|
3070 | } |
|
|
3071 | |
|
|
3072 | void |
|
|
3073 | ev_resume (EV_P) |
|
|
3074 | { |
|
|
3075 | ev_tstamp mn_prev = mn_now; |
|
|
3076 | |
|
|
3077 | ev_now_update (EV_A); |
|
|
3078 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
3079 | #if EV_PERIODIC_ENABLE |
|
|
3080 | /* TODO: really do this? */ |
|
|
3081 | periodics_reschedule (EV_A); |
|
|
3082 | #endif |
|
|
3083 | } |
|
|
3084 | |
1521 | /*****************************************************************************/ |
3085 | /*****************************************************************************/ |
|
|
3086 | /* singly-linked list management, used when the expected list length is short */ |
1522 | |
3087 | |
1523 | void inline_size |
3088 | inline_size void |
1524 | wlist_add (WL *head, WL elem) |
3089 | wlist_add (WL *head, WL elem) |
1525 | { |
3090 | { |
1526 | elem->next = *head; |
3091 | elem->next = *head; |
1527 | *head = elem; |
3092 | *head = elem; |
1528 | } |
3093 | } |
1529 | |
3094 | |
1530 | void inline_size |
3095 | inline_size void |
1531 | wlist_del (WL *head, WL elem) |
3096 | wlist_del (WL *head, WL elem) |
1532 | { |
3097 | { |
1533 | while (*head) |
3098 | while (*head) |
1534 | { |
3099 | { |
1535 | if (*head == elem) |
3100 | if (expect_true (*head == elem)) |
1536 | { |
3101 | { |
1537 | *head = elem->next; |
3102 | *head = elem->next; |
1538 | return; |
3103 | break; |
1539 | } |
3104 | } |
1540 | |
3105 | |
1541 | head = &(*head)->next; |
3106 | head = &(*head)->next; |
1542 | } |
3107 | } |
1543 | } |
3108 | } |
1544 | |
3109 | |
1545 | void inline_speed |
3110 | /* internal, faster, version of ev_clear_pending */ |
|
|
3111 | inline_speed void |
1546 | clear_pending (EV_P_ W w) |
3112 | clear_pending (EV_P_ W w) |
1547 | { |
3113 | { |
1548 | if (w->pending) |
3114 | if (w->pending) |
1549 | { |
3115 | { |
1550 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
3116 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
1551 | w->pending = 0; |
3117 | w->pending = 0; |
1552 | } |
3118 | } |
1553 | } |
3119 | } |
1554 | |
3120 | |
1555 | int |
3121 | int |
… | |
… | |
1559 | int pending = w_->pending; |
3125 | int pending = w_->pending; |
1560 | |
3126 | |
1561 | if (expect_true (pending)) |
3127 | if (expect_true (pending)) |
1562 | { |
3128 | { |
1563 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3129 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
3130 | p->w = (W)&pending_w; |
1564 | w_->pending = 0; |
3131 | w_->pending = 0; |
1565 | p->w = 0; |
|
|
1566 | return p->events; |
3132 | return p->events; |
1567 | } |
3133 | } |
1568 | else |
3134 | else |
1569 | return 0; |
3135 | return 0; |
1570 | } |
3136 | } |
1571 | |
3137 | |
1572 | void inline_size |
3138 | inline_size void |
1573 | pri_adjust (EV_P_ W w) |
3139 | pri_adjust (EV_P_ W w) |
1574 | { |
3140 | { |
1575 | int pri = w->priority; |
3141 | int pri = ev_priority (w); |
1576 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
3142 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
1577 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
3143 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
1578 | w->priority = pri; |
3144 | ev_set_priority (w, pri); |
1579 | } |
3145 | } |
1580 | |
3146 | |
1581 | void inline_speed |
3147 | inline_speed void |
1582 | ev_start (EV_P_ W w, int active) |
3148 | ev_start (EV_P_ W w, int active) |
1583 | { |
3149 | { |
1584 | pri_adjust (EV_A_ w); |
3150 | pri_adjust (EV_A_ w); |
1585 | w->active = active; |
3151 | w->active = active; |
1586 | ev_ref (EV_A); |
3152 | ev_ref (EV_A); |
1587 | } |
3153 | } |
1588 | |
3154 | |
1589 | void inline_size |
3155 | inline_size void |
1590 | ev_stop (EV_P_ W w) |
3156 | ev_stop (EV_P_ W w) |
1591 | { |
3157 | { |
1592 | ev_unref (EV_A); |
3158 | ev_unref (EV_A); |
1593 | w->active = 0; |
3159 | w->active = 0; |
1594 | } |
3160 | } |
… | |
… | |
1601 | int fd = w->fd; |
3167 | int fd = w->fd; |
1602 | |
3168 | |
1603 | if (expect_false (ev_is_active (w))) |
3169 | if (expect_false (ev_is_active (w))) |
1604 | return; |
3170 | return; |
1605 | |
3171 | |
1606 | assert (("ev_io_start called with negative fd", fd >= 0)); |
3172 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
3173 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
3174 | |
|
|
3175 | EV_FREQUENT_CHECK; |
1607 | |
3176 | |
1608 | ev_start (EV_A_ (W)w, 1); |
3177 | ev_start (EV_A_ (W)w, 1); |
1609 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
3178 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1610 | wlist_add (&anfds[fd].head, (WL)w); |
3179 | wlist_add (&anfds[fd].head, (WL)w); |
1611 | |
3180 | |
1612 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
3181 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
1613 | w->events &= ~EV_IOFDSET; |
3182 | w->events &= ~EV__IOFDSET; |
|
|
3183 | |
|
|
3184 | EV_FREQUENT_CHECK; |
1614 | } |
3185 | } |
1615 | |
3186 | |
1616 | void noinline |
3187 | void noinline |
1617 | ev_io_stop (EV_P_ ev_io *w) |
3188 | ev_io_stop (EV_P_ ev_io *w) |
1618 | { |
3189 | { |
1619 | clear_pending (EV_A_ (W)w); |
3190 | clear_pending (EV_A_ (W)w); |
1620 | if (expect_false (!ev_is_active (w))) |
3191 | if (expect_false (!ev_is_active (w))) |
1621 | return; |
3192 | return; |
1622 | |
3193 | |
1623 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3194 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
3195 | |
|
|
3196 | EV_FREQUENT_CHECK; |
1624 | |
3197 | |
1625 | wlist_del (&anfds[w->fd].head, (WL)w); |
3198 | wlist_del (&anfds[w->fd].head, (WL)w); |
1626 | ev_stop (EV_A_ (W)w); |
3199 | ev_stop (EV_A_ (W)w); |
1627 | |
3200 | |
1628 | fd_change (EV_A_ w->fd, 1); |
3201 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
|
|
3202 | |
|
|
3203 | EV_FREQUENT_CHECK; |
1629 | } |
3204 | } |
1630 | |
3205 | |
1631 | void noinline |
3206 | void noinline |
1632 | ev_timer_start (EV_P_ ev_timer *w) |
3207 | ev_timer_start (EV_P_ ev_timer *w) |
1633 | { |
3208 | { |
1634 | if (expect_false (ev_is_active (w))) |
3209 | if (expect_false (ev_is_active (w))) |
1635 | return; |
3210 | return; |
1636 | |
3211 | |
1637 | ((WT)w)->at += mn_now; |
3212 | ev_at (w) += mn_now; |
1638 | |
3213 | |
1639 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3214 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1640 | |
3215 | |
|
|
3216 | EV_FREQUENT_CHECK; |
|
|
3217 | |
|
|
3218 | ++timercnt; |
1641 | ev_start (EV_A_ (W)w, ++timercnt); |
3219 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1642 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
3220 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1643 | timers [timercnt - 1] = (WT)w; |
3221 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1644 | upheap (timers, timercnt - 1); |
3222 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
3223 | upheap (timers, ev_active (w)); |
1645 | |
3224 | |
|
|
3225 | EV_FREQUENT_CHECK; |
|
|
3226 | |
1646 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
3227 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1647 | } |
3228 | } |
1648 | |
3229 | |
1649 | void noinline |
3230 | void noinline |
1650 | ev_timer_stop (EV_P_ ev_timer *w) |
3231 | ev_timer_stop (EV_P_ ev_timer *w) |
1651 | { |
3232 | { |
1652 | clear_pending (EV_A_ (W)w); |
3233 | clear_pending (EV_A_ (W)w); |
1653 | if (expect_false (!ev_is_active (w))) |
3234 | if (expect_false (!ev_is_active (w))) |
1654 | return; |
3235 | return; |
1655 | |
3236 | |
1656 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
3237 | EV_FREQUENT_CHECK; |
1657 | |
3238 | |
1658 | { |
3239 | { |
1659 | int active = ((W)w)->active; |
3240 | int active = ev_active (w); |
1660 | |
3241 | |
|
|
3242 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
3243 | |
|
|
3244 | --timercnt; |
|
|
3245 | |
1661 | if (expect_true (--active < --timercnt)) |
3246 | if (expect_true (active < timercnt + HEAP0)) |
1662 | { |
3247 | { |
1663 | timers [active] = timers [timercnt]; |
3248 | timers [active] = timers [timercnt + HEAP0]; |
1664 | adjustheap (timers, timercnt, active); |
3249 | adjustheap (timers, timercnt, active); |
1665 | } |
3250 | } |
1666 | } |
3251 | } |
1667 | |
3252 | |
1668 | ((WT)w)->at -= mn_now; |
3253 | ev_at (w) -= mn_now; |
1669 | |
3254 | |
1670 | ev_stop (EV_A_ (W)w); |
3255 | ev_stop (EV_A_ (W)w); |
|
|
3256 | |
|
|
3257 | EV_FREQUENT_CHECK; |
1671 | } |
3258 | } |
1672 | |
3259 | |
1673 | void noinline |
3260 | void noinline |
1674 | ev_timer_again (EV_P_ ev_timer *w) |
3261 | ev_timer_again (EV_P_ ev_timer *w) |
1675 | { |
3262 | { |
|
|
3263 | EV_FREQUENT_CHECK; |
|
|
3264 | |
1676 | if (ev_is_active (w)) |
3265 | if (ev_is_active (w)) |
1677 | { |
3266 | { |
1678 | if (w->repeat) |
3267 | if (w->repeat) |
1679 | { |
3268 | { |
1680 | ((WT)w)->at = mn_now + w->repeat; |
3269 | ev_at (w) = mn_now + w->repeat; |
|
|
3270 | ANHE_at_cache (timers [ev_active (w)]); |
1681 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
3271 | adjustheap (timers, timercnt, ev_active (w)); |
1682 | } |
3272 | } |
1683 | else |
3273 | else |
1684 | ev_timer_stop (EV_A_ w); |
3274 | ev_timer_stop (EV_A_ w); |
1685 | } |
3275 | } |
1686 | else if (w->repeat) |
3276 | else if (w->repeat) |
1687 | { |
3277 | { |
1688 | w->at = w->repeat; |
3278 | ev_at (w) = w->repeat; |
1689 | ev_timer_start (EV_A_ w); |
3279 | ev_timer_start (EV_A_ w); |
1690 | } |
3280 | } |
|
|
3281 | |
|
|
3282 | EV_FREQUENT_CHECK; |
|
|
3283 | } |
|
|
3284 | |
|
|
3285 | ev_tstamp |
|
|
3286 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
3287 | { |
|
|
3288 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
1691 | } |
3289 | } |
1692 | |
3290 | |
1693 | #if EV_PERIODIC_ENABLE |
3291 | #if EV_PERIODIC_ENABLE |
1694 | void noinline |
3292 | void noinline |
1695 | ev_periodic_start (EV_P_ ev_periodic *w) |
3293 | ev_periodic_start (EV_P_ ev_periodic *w) |
1696 | { |
3294 | { |
1697 | if (expect_false (ev_is_active (w))) |
3295 | if (expect_false (ev_is_active (w))) |
1698 | return; |
3296 | return; |
1699 | |
3297 | |
1700 | if (w->reschedule_cb) |
3298 | if (w->reschedule_cb) |
1701 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
3299 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1702 | else if (w->interval) |
3300 | else if (w->interval) |
1703 | { |
3301 | { |
1704 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
3302 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1705 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
3303 | periodic_recalc (EV_A_ w); |
1706 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1707 | } |
3304 | } |
1708 | else |
3305 | else |
1709 | ((WT)w)->at = w->offset; |
3306 | ev_at (w) = w->offset; |
1710 | |
3307 | |
|
|
3308 | EV_FREQUENT_CHECK; |
|
|
3309 | |
|
|
3310 | ++periodiccnt; |
1711 | ev_start (EV_A_ (W)w, ++periodiccnt); |
3311 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1712 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
3312 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1713 | periodics [periodiccnt - 1] = (WT)w; |
3313 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1714 | upheap (periodics, periodiccnt - 1); |
3314 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
3315 | upheap (periodics, ev_active (w)); |
1715 | |
3316 | |
|
|
3317 | EV_FREQUENT_CHECK; |
|
|
3318 | |
1716 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
3319 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1717 | } |
3320 | } |
1718 | |
3321 | |
1719 | void noinline |
3322 | void noinline |
1720 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3323 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1721 | { |
3324 | { |
1722 | clear_pending (EV_A_ (W)w); |
3325 | clear_pending (EV_A_ (W)w); |
1723 | if (expect_false (!ev_is_active (w))) |
3326 | if (expect_false (!ev_is_active (w))) |
1724 | return; |
3327 | return; |
1725 | |
3328 | |
1726 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
3329 | EV_FREQUENT_CHECK; |
1727 | |
3330 | |
1728 | { |
3331 | { |
1729 | int active = ((W)w)->active; |
3332 | int active = ev_active (w); |
1730 | |
3333 | |
|
|
3334 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
3335 | |
|
|
3336 | --periodiccnt; |
|
|
3337 | |
1731 | if (expect_true (--active < --periodiccnt)) |
3338 | if (expect_true (active < periodiccnt + HEAP0)) |
1732 | { |
3339 | { |
1733 | periodics [active] = periodics [periodiccnt]; |
3340 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1734 | adjustheap (periodics, periodiccnt, active); |
3341 | adjustheap (periodics, periodiccnt, active); |
1735 | } |
3342 | } |
1736 | } |
3343 | } |
1737 | |
3344 | |
1738 | ev_stop (EV_A_ (W)w); |
3345 | ev_stop (EV_A_ (W)w); |
|
|
3346 | |
|
|
3347 | EV_FREQUENT_CHECK; |
1739 | } |
3348 | } |
1740 | |
3349 | |
1741 | void noinline |
3350 | void noinline |
1742 | ev_periodic_again (EV_P_ ev_periodic *w) |
3351 | ev_periodic_again (EV_P_ ev_periodic *w) |
1743 | { |
3352 | { |
… | |
… | |
1749 | |
3358 | |
1750 | #ifndef SA_RESTART |
3359 | #ifndef SA_RESTART |
1751 | # define SA_RESTART 0 |
3360 | # define SA_RESTART 0 |
1752 | #endif |
3361 | #endif |
1753 | |
3362 | |
|
|
3363 | #if EV_SIGNAL_ENABLE |
|
|
3364 | |
1754 | void noinline |
3365 | void noinline |
1755 | ev_signal_start (EV_P_ ev_signal *w) |
3366 | ev_signal_start (EV_P_ ev_signal *w) |
1756 | { |
3367 | { |
1757 | #if EV_MULTIPLICITY |
|
|
1758 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1759 | #endif |
|
|
1760 | if (expect_false (ev_is_active (w))) |
3368 | if (expect_false (ev_is_active (w))) |
1761 | return; |
3369 | return; |
1762 | |
3370 | |
1763 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
3371 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
1764 | |
3372 | |
|
|
3373 | #if EV_MULTIPLICITY |
|
|
3374 | assert (("libev: a signal must not be attached to two different loops", |
|
|
3375 | !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); |
|
|
3376 | |
|
|
3377 | signals [w->signum - 1].loop = EV_A; |
|
|
3378 | #endif |
|
|
3379 | |
|
|
3380 | EV_FREQUENT_CHECK; |
|
|
3381 | |
|
|
3382 | #if EV_USE_SIGNALFD |
|
|
3383 | if (sigfd == -2) |
1765 | { |
3384 | { |
1766 | #ifndef _WIN32 |
3385 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
1767 | sigset_t full, prev; |
3386 | if (sigfd < 0 && errno == EINVAL) |
1768 | sigfillset (&full); |
3387 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
1769 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1770 | #endif |
|
|
1771 | |
3388 | |
1772 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
3389 | if (sigfd >= 0) |
|
|
3390 | { |
|
|
3391 | fd_intern (sigfd); /* doing it twice will not hurt */ |
1773 | |
3392 | |
1774 | #ifndef _WIN32 |
3393 | sigemptyset (&sigfd_set); |
1775 | sigprocmask (SIG_SETMASK, &prev, 0); |
3394 | |
1776 | #endif |
3395 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
3396 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
3397 | ev_io_start (EV_A_ &sigfd_w); |
|
|
3398 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
3399 | } |
1777 | } |
3400 | } |
|
|
3401 | |
|
|
3402 | if (sigfd >= 0) |
|
|
3403 | { |
|
|
3404 | /* TODO: check .head */ |
|
|
3405 | sigaddset (&sigfd_set, w->signum); |
|
|
3406 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
3407 | |
|
|
3408 | signalfd (sigfd, &sigfd_set, 0); |
|
|
3409 | } |
|
|
3410 | #endif |
1778 | |
3411 | |
1779 | ev_start (EV_A_ (W)w, 1); |
3412 | ev_start (EV_A_ (W)w, 1); |
1780 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
3413 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1781 | |
3414 | |
1782 | if (!((WL)w)->next) |
3415 | if (!((WL)w)->next) |
|
|
3416 | # if EV_USE_SIGNALFD |
|
|
3417 | if (sigfd < 0) /*TODO*/ |
|
|
3418 | # endif |
1783 | { |
3419 | { |
1784 | #if _WIN32 |
3420 | # ifdef _WIN32 |
|
|
3421 | evpipe_init (EV_A); |
|
|
3422 | |
1785 | signal (w->signum, sighandler); |
3423 | signal (w->signum, ev_sighandler); |
1786 | #else |
3424 | # else |
1787 | struct sigaction sa; |
3425 | struct sigaction sa; |
|
|
3426 | |
|
|
3427 | evpipe_init (EV_A); |
|
|
3428 | |
1788 | sa.sa_handler = sighandler; |
3429 | sa.sa_handler = ev_sighandler; |
1789 | sigfillset (&sa.sa_mask); |
3430 | sigfillset (&sa.sa_mask); |
1790 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
3431 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1791 | sigaction (w->signum, &sa, 0); |
3432 | sigaction (w->signum, &sa, 0); |
|
|
3433 | |
|
|
3434 | if (origflags & EVFLAG_NOSIGMASK) |
|
|
3435 | { |
|
|
3436 | sigemptyset (&sa.sa_mask); |
|
|
3437 | sigaddset (&sa.sa_mask, w->signum); |
|
|
3438 | sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); |
|
|
3439 | } |
1792 | #endif |
3440 | #endif |
1793 | } |
3441 | } |
|
|
3442 | |
|
|
3443 | EV_FREQUENT_CHECK; |
1794 | } |
3444 | } |
1795 | |
3445 | |
1796 | void noinline |
3446 | void noinline |
1797 | ev_signal_stop (EV_P_ ev_signal *w) |
3447 | ev_signal_stop (EV_P_ ev_signal *w) |
1798 | { |
3448 | { |
1799 | clear_pending (EV_A_ (W)w); |
3449 | clear_pending (EV_A_ (W)w); |
1800 | if (expect_false (!ev_is_active (w))) |
3450 | if (expect_false (!ev_is_active (w))) |
1801 | return; |
3451 | return; |
1802 | |
3452 | |
|
|
3453 | EV_FREQUENT_CHECK; |
|
|
3454 | |
1803 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
3455 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1804 | ev_stop (EV_A_ (W)w); |
3456 | ev_stop (EV_A_ (W)w); |
1805 | |
3457 | |
1806 | if (!signals [w->signum - 1].head) |
3458 | if (!signals [w->signum - 1].head) |
|
|
3459 | { |
|
|
3460 | #if EV_MULTIPLICITY |
|
|
3461 | signals [w->signum - 1].loop = 0; /* unattach from signal */ |
|
|
3462 | #endif |
|
|
3463 | #if EV_USE_SIGNALFD |
|
|
3464 | if (sigfd >= 0) |
|
|
3465 | { |
|
|
3466 | sigset_t ss; |
|
|
3467 | |
|
|
3468 | sigemptyset (&ss); |
|
|
3469 | sigaddset (&ss, w->signum); |
|
|
3470 | sigdelset (&sigfd_set, w->signum); |
|
|
3471 | |
|
|
3472 | signalfd (sigfd, &sigfd_set, 0); |
|
|
3473 | sigprocmask (SIG_UNBLOCK, &ss, 0); |
|
|
3474 | } |
|
|
3475 | else |
|
|
3476 | #endif |
1807 | signal (w->signum, SIG_DFL); |
3477 | signal (w->signum, SIG_DFL); |
|
|
3478 | } |
|
|
3479 | |
|
|
3480 | EV_FREQUENT_CHECK; |
1808 | } |
3481 | } |
|
|
3482 | |
|
|
3483 | #endif |
|
|
3484 | |
|
|
3485 | #if EV_CHILD_ENABLE |
1809 | |
3486 | |
1810 | void |
3487 | void |
1811 | ev_child_start (EV_P_ ev_child *w) |
3488 | ev_child_start (EV_P_ ev_child *w) |
1812 | { |
3489 | { |
1813 | #if EV_MULTIPLICITY |
3490 | #if EV_MULTIPLICITY |
1814 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3491 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1815 | #endif |
3492 | #endif |
1816 | if (expect_false (ev_is_active (w))) |
3493 | if (expect_false (ev_is_active (w))) |
1817 | return; |
3494 | return; |
1818 | |
3495 | |
|
|
3496 | EV_FREQUENT_CHECK; |
|
|
3497 | |
1819 | ev_start (EV_A_ (W)w, 1); |
3498 | ev_start (EV_A_ (W)w, 1); |
1820 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3499 | wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
|
|
3500 | |
|
|
3501 | EV_FREQUENT_CHECK; |
1821 | } |
3502 | } |
1822 | |
3503 | |
1823 | void |
3504 | void |
1824 | ev_child_stop (EV_P_ ev_child *w) |
3505 | ev_child_stop (EV_P_ ev_child *w) |
1825 | { |
3506 | { |
1826 | clear_pending (EV_A_ (W)w); |
3507 | clear_pending (EV_A_ (W)w); |
1827 | if (expect_false (!ev_is_active (w))) |
3508 | if (expect_false (!ev_is_active (w))) |
1828 | return; |
3509 | return; |
1829 | |
3510 | |
|
|
3511 | EV_FREQUENT_CHECK; |
|
|
3512 | |
1830 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
3513 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
1831 | ev_stop (EV_A_ (W)w); |
3514 | ev_stop (EV_A_ (W)w); |
|
|
3515 | |
|
|
3516 | EV_FREQUENT_CHECK; |
1832 | } |
3517 | } |
|
|
3518 | |
|
|
3519 | #endif |
1833 | |
3520 | |
1834 | #if EV_STAT_ENABLE |
3521 | #if EV_STAT_ENABLE |
1835 | |
3522 | |
1836 | # ifdef _WIN32 |
3523 | # ifdef _WIN32 |
1837 | # undef lstat |
3524 | # undef lstat |
1838 | # define lstat(a,b) _stati64 (a,b) |
3525 | # define lstat(a,b) _stati64 (a,b) |
1839 | # endif |
3526 | # endif |
1840 | |
3527 | |
1841 | #define DEF_STAT_INTERVAL 5.0074891 |
3528 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
3529 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
1842 | #define MIN_STAT_INTERVAL 0.1074891 |
3530 | #define MIN_STAT_INTERVAL 0.1074891 |
1843 | |
3531 | |
1844 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3532 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1845 | |
3533 | |
1846 | #if EV_USE_INOTIFY |
3534 | #if EV_USE_INOTIFY |
1847 | # define EV_INOTIFY_BUFSIZE 8192 |
3535 | |
|
|
3536 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
|
|
3537 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
1848 | |
3538 | |
1849 | static void noinline |
3539 | static void noinline |
1850 | infy_add (EV_P_ ev_stat *w) |
3540 | infy_add (EV_P_ ev_stat *w) |
1851 | { |
3541 | { |
1852 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
3542 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
1853 | |
3543 | |
1854 | if (w->wd < 0) |
3544 | if (w->wd >= 0) |
|
|
3545 | { |
|
|
3546 | struct statfs sfs; |
|
|
3547 | |
|
|
3548 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
3549 | /* unless the filesystem is known to be local, we therefore still poll */ |
|
|
3550 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
3551 | |
|
|
3552 | if (!fs_2625) |
|
|
3553 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3554 | else if (!statfs (w->path, &sfs) |
|
|
3555 | && (sfs.f_type == 0x1373 /* devfs */ |
|
|
3556 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
3557 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
3558 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
3559 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
3560 | || sfs.f_type == 0x58465342 /* xfs */)) |
|
|
3561 | w->timer.repeat = 0.; /* filesystem is local, kernel new enough */ |
|
|
3562 | else |
|
|
3563 | w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */ |
1855 | { |
3564 | } |
1856 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
3565 | else |
|
|
3566 | { |
|
|
3567 | /* can't use inotify, continue to stat */ |
|
|
3568 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
1857 | |
3569 | |
1858 | /* monitor some parent directory for speedup hints */ |
3570 | /* if path is not there, monitor some parent directory for speedup hints */ |
|
|
3571 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
3572 | /* but an efficiency issue only */ |
1859 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
3573 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1860 | { |
3574 | { |
1861 | char path [4096]; |
3575 | char path [4096]; |
1862 | strcpy (path, w->path); |
3576 | strcpy (path, w->path); |
1863 | |
3577 | |
… | |
… | |
1866 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
3580 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
1867 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
3581 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
1868 | |
3582 | |
1869 | char *pend = strrchr (path, '/'); |
3583 | char *pend = strrchr (path, '/'); |
1870 | |
3584 | |
1871 | if (!pend) |
3585 | if (!pend || pend == path) |
1872 | break; /* whoops, no '/', complain to your admin */ |
3586 | break; |
1873 | |
3587 | |
1874 | *pend = 0; |
3588 | *pend = 0; |
1875 | w->wd = inotify_add_watch (fs_fd, path, mask); |
3589 | w->wd = inotify_add_watch (fs_fd, path, mask); |
1876 | } |
3590 | } |
1877 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
3591 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
1878 | } |
3592 | } |
1879 | } |
3593 | } |
1880 | else |
|
|
1881 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1882 | |
3594 | |
1883 | if (w->wd >= 0) |
3595 | if (w->wd >= 0) |
1884 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
3596 | wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
|
|
3597 | |
|
|
3598 | /* now re-arm timer, if required */ |
|
|
3599 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
|
|
3600 | ev_timer_again (EV_A_ &w->timer); |
|
|
3601 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
1885 | } |
3602 | } |
1886 | |
3603 | |
1887 | static void noinline |
3604 | static void noinline |
1888 | infy_del (EV_P_ ev_stat *w) |
3605 | infy_del (EV_P_ ev_stat *w) |
1889 | { |
3606 | { |
… | |
… | |
1892 | |
3609 | |
1893 | if (wd < 0) |
3610 | if (wd < 0) |
1894 | return; |
3611 | return; |
1895 | |
3612 | |
1896 | w->wd = -2; |
3613 | w->wd = -2; |
1897 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
3614 | slot = wd & ((EV_INOTIFY_HASHSIZE) - 1); |
1898 | wlist_del (&fs_hash [slot].head, (WL)w); |
3615 | wlist_del (&fs_hash [slot].head, (WL)w); |
1899 | |
3616 | |
1900 | /* remove this watcher, if others are watching it, they will rearm */ |
3617 | /* remove this watcher, if others are watching it, they will rearm */ |
1901 | inotify_rm_watch (fs_fd, wd); |
3618 | inotify_rm_watch (fs_fd, wd); |
1902 | } |
3619 | } |
1903 | |
3620 | |
1904 | static void noinline |
3621 | static void noinline |
1905 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
3622 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
1906 | { |
3623 | { |
1907 | if (slot < 0) |
3624 | if (slot < 0) |
1908 | /* overflow, need to check for all hahs slots */ |
3625 | /* overflow, need to check for all hash slots */ |
1909 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3626 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
1910 | infy_wd (EV_A_ slot, wd, ev); |
3627 | infy_wd (EV_A_ slot, wd, ev); |
1911 | else |
3628 | else |
1912 | { |
3629 | { |
1913 | WL w_; |
3630 | WL w_; |
1914 | |
3631 | |
1915 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
3632 | for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; ) |
1916 | { |
3633 | { |
1917 | ev_stat *w = (ev_stat *)w_; |
3634 | ev_stat *w = (ev_stat *)w_; |
1918 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
3635 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
1919 | |
3636 | |
1920 | if (w->wd == wd || wd == -1) |
3637 | if (w->wd == wd || wd == -1) |
1921 | { |
3638 | { |
1922 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
3639 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
1923 | { |
3640 | { |
|
|
3641 | wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w); |
1924 | w->wd = -1; |
3642 | w->wd = -1; |
1925 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3643 | infy_add (EV_A_ w); /* re-add, no matter what */ |
1926 | } |
3644 | } |
1927 | |
3645 | |
1928 | stat_timer_cb (EV_A_ &w->timer, 0); |
3646 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
1933 | |
3651 | |
1934 | static void |
3652 | static void |
1935 | infy_cb (EV_P_ ev_io *w, int revents) |
3653 | infy_cb (EV_P_ ev_io *w, int revents) |
1936 | { |
3654 | { |
1937 | char buf [EV_INOTIFY_BUFSIZE]; |
3655 | char buf [EV_INOTIFY_BUFSIZE]; |
1938 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1939 | int ofs; |
3656 | int ofs; |
1940 | int len = read (fs_fd, buf, sizeof (buf)); |
3657 | int len = read (fs_fd, buf, sizeof (buf)); |
1941 | |
3658 | |
1942 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
3659 | for (ofs = 0; ofs < len; ) |
|
|
3660 | { |
|
|
3661 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
1943 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3662 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
3663 | ofs += sizeof (struct inotify_event) + ev->len; |
|
|
3664 | } |
1944 | } |
3665 | } |
1945 | |
3666 | |
1946 | void inline_size |
3667 | inline_size void ecb_cold |
|
|
3668 | ev_check_2625 (EV_P) |
|
|
3669 | { |
|
|
3670 | /* kernels < 2.6.25 are borked |
|
|
3671 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
3672 | */ |
|
|
3673 | if (ev_linux_version () < 0x020619) |
|
|
3674 | return; |
|
|
3675 | |
|
|
3676 | fs_2625 = 1; |
|
|
3677 | } |
|
|
3678 | |
|
|
3679 | inline_size int |
|
|
3680 | infy_newfd (void) |
|
|
3681 | { |
|
|
3682 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
|
|
3683 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
|
|
3684 | if (fd >= 0) |
|
|
3685 | return fd; |
|
|
3686 | #endif |
|
|
3687 | return inotify_init (); |
|
|
3688 | } |
|
|
3689 | |
|
|
3690 | inline_size void |
1947 | infy_init (EV_P) |
3691 | infy_init (EV_P) |
1948 | { |
3692 | { |
1949 | if (fs_fd != -2) |
3693 | if (fs_fd != -2) |
1950 | return; |
3694 | return; |
1951 | |
3695 | |
|
|
3696 | fs_fd = -1; |
|
|
3697 | |
|
|
3698 | ev_check_2625 (EV_A); |
|
|
3699 | |
1952 | fs_fd = inotify_init (); |
3700 | fs_fd = infy_newfd (); |
1953 | |
3701 | |
1954 | if (fs_fd >= 0) |
3702 | if (fs_fd >= 0) |
1955 | { |
3703 | { |
|
|
3704 | fd_intern (fs_fd); |
1956 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
3705 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
1957 | ev_set_priority (&fs_w, EV_MAXPRI); |
3706 | ev_set_priority (&fs_w, EV_MAXPRI); |
1958 | ev_io_start (EV_A_ &fs_w); |
3707 | ev_io_start (EV_A_ &fs_w); |
|
|
3708 | ev_unref (EV_A); |
1959 | } |
3709 | } |
1960 | } |
3710 | } |
1961 | |
3711 | |
1962 | void inline_size |
3712 | inline_size void |
1963 | infy_fork (EV_P) |
3713 | infy_fork (EV_P) |
1964 | { |
3714 | { |
1965 | int slot; |
3715 | int slot; |
1966 | |
3716 | |
1967 | if (fs_fd < 0) |
3717 | if (fs_fd < 0) |
1968 | return; |
3718 | return; |
1969 | |
3719 | |
|
|
3720 | ev_ref (EV_A); |
|
|
3721 | ev_io_stop (EV_A_ &fs_w); |
1970 | close (fs_fd); |
3722 | close (fs_fd); |
1971 | fs_fd = inotify_init (); |
3723 | fs_fd = infy_newfd (); |
1972 | |
3724 | |
|
|
3725 | if (fs_fd >= 0) |
|
|
3726 | { |
|
|
3727 | fd_intern (fs_fd); |
|
|
3728 | ev_io_set (&fs_w, fs_fd, EV_READ); |
|
|
3729 | ev_io_start (EV_A_ &fs_w); |
|
|
3730 | ev_unref (EV_A); |
|
|
3731 | } |
|
|
3732 | |
1973 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
3733 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
1974 | { |
3734 | { |
1975 | WL w_ = fs_hash [slot].head; |
3735 | WL w_ = fs_hash [slot].head; |
1976 | fs_hash [slot].head = 0; |
3736 | fs_hash [slot].head = 0; |
1977 | |
3737 | |
1978 | while (w_) |
3738 | while (w_) |
… | |
… | |
1983 | w->wd = -1; |
3743 | w->wd = -1; |
1984 | |
3744 | |
1985 | if (fs_fd >= 0) |
3745 | if (fs_fd >= 0) |
1986 | infy_add (EV_A_ w); /* re-add, no matter what */ |
3746 | infy_add (EV_A_ w); /* re-add, no matter what */ |
1987 | else |
3747 | else |
|
|
3748 | { |
|
|
3749 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
|
|
3750 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
1988 | ev_timer_start (EV_A_ &w->timer); |
3751 | ev_timer_again (EV_A_ &w->timer); |
|
|
3752 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
|
|
3753 | } |
1989 | } |
3754 | } |
1990 | |
|
|
1991 | } |
3755 | } |
1992 | } |
3756 | } |
1993 | |
3757 | |
|
|
3758 | #endif |
|
|
3759 | |
|
|
3760 | #ifdef _WIN32 |
|
|
3761 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
3762 | #else |
|
|
3763 | # define EV_LSTAT(p,b) lstat (p, b) |
1994 | #endif |
3764 | #endif |
1995 | |
3765 | |
1996 | void |
3766 | void |
1997 | ev_stat_stat (EV_P_ ev_stat *w) |
3767 | ev_stat_stat (EV_P_ ev_stat *w) |
1998 | { |
3768 | { |
… | |
… | |
2005 | static void noinline |
3775 | static void noinline |
2006 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
3776 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2007 | { |
3777 | { |
2008 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
3778 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2009 | |
3779 | |
2010 | /* we copy this here each the time so that */ |
3780 | ev_statdata prev = w->attr; |
2011 | /* prev has the old value when the callback gets invoked */ |
|
|
2012 | w->prev = w->attr; |
|
|
2013 | ev_stat_stat (EV_A_ w); |
3781 | ev_stat_stat (EV_A_ w); |
2014 | |
3782 | |
2015 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
3783 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
2016 | if ( |
3784 | if ( |
2017 | w->prev.st_dev != w->attr.st_dev |
3785 | prev.st_dev != w->attr.st_dev |
2018 | || w->prev.st_ino != w->attr.st_ino |
3786 | || prev.st_ino != w->attr.st_ino |
2019 | || w->prev.st_mode != w->attr.st_mode |
3787 | || prev.st_mode != w->attr.st_mode |
2020 | || w->prev.st_nlink != w->attr.st_nlink |
3788 | || prev.st_nlink != w->attr.st_nlink |
2021 | || w->prev.st_uid != w->attr.st_uid |
3789 | || prev.st_uid != w->attr.st_uid |
2022 | || w->prev.st_gid != w->attr.st_gid |
3790 | || prev.st_gid != w->attr.st_gid |
2023 | || w->prev.st_rdev != w->attr.st_rdev |
3791 | || prev.st_rdev != w->attr.st_rdev |
2024 | || w->prev.st_size != w->attr.st_size |
3792 | || prev.st_size != w->attr.st_size |
2025 | || w->prev.st_atime != w->attr.st_atime |
3793 | || prev.st_atime != w->attr.st_atime |
2026 | || w->prev.st_mtime != w->attr.st_mtime |
3794 | || prev.st_mtime != w->attr.st_mtime |
2027 | || w->prev.st_ctime != w->attr.st_ctime |
3795 | || prev.st_ctime != w->attr.st_ctime |
2028 | ) { |
3796 | ) { |
|
|
3797 | /* we only update w->prev on actual differences */ |
|
|
3798 | /* in case we test more often than invoke the callback, */ |
|
|
3799 | /* to ensure that prev is always different to attr */ |
|
|
3800 | w->prev = prev; |
|
|
3801 | |
2029 | #if EV_USE_INOTIFY |
3802 | #if EV_USE_INOTIFY |
|
|
3803 | if (fs_fd >= 0) |
|
|
3804 | { |
2030 | infy_del (EV_A_ w); |
3805 | infy_del (EV_A_ w); |
2031 | infy_add (EV_A_ w); |
3806 | infy_add (EV_A_ w); |
2032 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
3807 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
3808 | } |
2033 | #endif |
3809 | #endif |
2034 | |
3810 | |
2035 | ev_feed_event (EV_A_ w, EV_STAT); |
3811 | ev_feed_event (EV_A_ w, EV_STAT); |
2036 | } |
3812 | } |
2037 | } |
3813 | } |
… | |
… | |
2040 | ev_stat_start (EV_P_ ev_stat *w) |
3816 | ev_stat_start (EV_P_ ev_stat *w) |
2041 | { |
3817 | { |
2042 | if (expect_false (ev_is_active (w))) |
3818 | if (expect_false (ev_is_active (w))) |
2043 | return; |
3819 | return; |
2044 | |
3820 | |
2045 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2046 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2047 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2048 | |
|
|
2049 | ev_stat_stat (EV_A_ w); |
3821 | ev_stat_stat (EV_A_ w); |
2050 | |
3822 | |
|
|
3823 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2051 | if (w->interval < MIN_STAT_INTERVAL) |
3824 | w->interval = MIN_STAT_INTERVAL; |
2052 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2053 | |
3825 | |
2054 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
3826 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2055 | ev_set_priority (&w->timer, ev_priority (w)); |
3827 | ev_set_priority (&w->timer, ev_priority (w)); |
2056 | |
3828 | |
2057 | #if EV_USE_INOTIFY |
3829 | #if EV_USE_INOTIFY |
2058 | infy_init (EV_A); |
3830 | infy_init (EV_A); |
2059 | |
3831 | |
2060 | if (fs_fd >= 0) |
3832 | if (fs_fd >= 0) |
2061 | infy_add (EV_A_ w); |
3833 | infy_add (EV_A_ w); |
2062 | else |
3834 | else |
2063 | #endif |
3835 | #endif |
|
|
3836 | { |
2064 | ev_timer_start (EV_A_ &w->timer); |
3837 | ev_timer_again (EV_A_ &w->timer); |
|
|
3838 | ev_unref (EV_A); |
|
|
3839 | } |
2065 | |
3840 | |
2066 | ev_start (EV_A_ (W)w, 1); |
3841 | ev_start (EV_A_ (W)w, 1); |
|
|
3842 | |
|
|
3843 | EV_FREQUENT_CHECK; |
2067 | } |
3844 | } |
2068 | |
3845 | |
2069 | void |
3846 | void |
2070 | ev_stat_stop (EV_P_ ev_stat *w) |
3847 | ev_stat_stop (EV_P_ ev_stat *w) |
2071 | { |
3848 | { |
2072 | clear_pending (EV_A_ (W)w); |
3849 | clear_pending (EV_A_ (W)w); |
2073 | if (expect_false (!ev_is_active (w))) |
3850 | if (expect_false (!ev_is_active (w))) |
2074 | return; |
3851 | return; |
2075 | |
3852 | |
|
|
3853 | EV_FREQUENT_CHECK; |
|
|
3854 | |
2076 | #if EV_USE_INOTIFY |
3855 | #if EV_USE_INOTIFY |
2077 | infy_del (EV_A_ w); |
3856 | infy_del (EV_A_ w); |
2078 | #endif |
3857 | #endif |
|
|
3858 | |
|
|
3859 | if (ev_is_active (&w->timer)) |
|
|
3860 | { |
|
|
3861 | ev_ref (EV_A); |
2079 | ev_timer_stop (EV_A_ &w->timer); |
3862 | ev_timer_stop (EV_A_ &w->timer); |
|
|
3863 | } |
2080 | |
3864 | |
2081 | ev_stop (EV_A_ (W)w); |
3865 | ev_stop (EV_A_ (W)w); |
|
|
3866 | |
|
|
3867 | EV_FREQUENT_CHECK; |
2082 | } |
3868 | } |
2083 | #endif |
3869 | #endif |
2084 | |
3870 | |
2085 | #if EV_IDLE_ENABLE |
3871 | #if EV_IDLE_ENABLE |
2086 | void |
3872 | void |
… | |
… | |
2089 | if (expect_false (ev_is_active (w))) |
3875 | if (expect_false (ev_is_active (w))) |
2090 | return; |
3876 | return; |
2091 | |
3877 | |
2092 | pri_adjust (EV_A_ (W)w); |
3878 | pri_adjust (EV_A_ (W)w); |
2093 | |
3879 | |
|
|
3880 | EV_FREQUENT_CHECK; |
|
|
3881 | |
2094 | { |
3882 | { |
2095 | int active = ++idlecnt [ABSPRI (w)]; |
3883 | int active = ++idlecnt [ABSPRI (w)]; |
2096 | |
3884 | |
2097 | ++idleall; |
3885 | ++idleall; |
2098 | ev_start (EV_A_ (W)w, active); |
3886 | ev_start (EV_A_ (W)w, active); |
2099 | |
3887 | |
2100 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
3888 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2101 | idles [ABSPRI (w)][active - 1] = w; |
3889 | idles [ABSPRI (w)][active - 1] = w; |
2102 | } |
3890 | } |
|
|
3891 | |
|
|
3892 | EV_FREQUENT_CHECK; |
2103 | } |
3893 | } |
2104 | |
3894 | |
2105 | void |
3895 | void |
2106 | ev_idle_stop (EV_P_ ev_idle *w) |
3896 | ev_idle_stop (EV_P_ ev_idle *w) |
2107 | { |
3897 | { |
2108 | clear_pending (EV_A_ (W)w); |
3898 | clear_pending (EV_A_ (W)w); |
2109 | if (expect_false (!ev_is_active (w))) |
3899 | if (expect_false (!ev_is_active (w))) |
2110 | return; |
3900 | return; |
2111 | |
3901 | |
|
|
3902 | EV_FREQUENT_CHECK; |
|
|
3903 | |
2112 | { |
3904 | { |
2113 | int active = ((W)w)->active; |
3905 | int active = ev_active (w); |
2114 | |
3906 | |
2115 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
3907 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2116 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
3908 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2117 | |
3909 | |
2118 | ev_stop (EV_A_ (W)w); |
3910 | ev_stop (EV_A_ (W)w); |
2119 | --idleall; |
3911 | --idleall; |
2120 | } |
3912 | } |
2121 | } |
|
|
2122 | #endif |
|
|
2123 | |
3913 | |
|
|
3914 | EV_FREQUENT_CHECK; |
|
|
3915 | } |
|
|
3916 | #endif |
|
|
3917 | |
|
|
3918 | #if EV_PREPARE_ENABLE |
2124 | void |
3919 | void |
2125 | ev_prepare_start (EV_P_ ev_prepare *w) |
3920 | ev_prepare_start (EV_P_ ev_prepare *w) |
2126 | { |
3921 | { |
2127 | if (expect_false (ev_is_active (w))) |
3922 | if (expect_false (ev_is_active (w))) |
2128 | return; |
3923 | return; |
|
|
3924 | |
|
|
3925 | EV_FREQUENT_CHECK; |
2129 | |
3926 | |
2130 | ev_start (EV_A_ (W)w, ++preparecnt); |
3927 | ev_start (EV_A_ (W)w, ++preparecnt); |
2131 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
3928 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2132 | prepares [preparecnt - 1] = w; |
3929 | prepares [preparecnt - 1] = w; |
|
|
3930 | |
|
|
3931 | EV_FREQUENT_CHECK; |
2133 | } |
3932 | } |
2134 | |
3933 | |
2135 | void |
3934 | void |
2136 | ev_prepare_stop (EV_P_ ev_prepare *w) |
3935 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2137 | { |
3936 | { |
2138 | clear_pending (EV_A_ (W)w); |
3937 | clear_pending (EV_A_ (W)w); |
2139 | if (expect_false (!ev_is_active (w))) |
3938 | if (expect_false (!ev_is_active (w))) |
2140 | return; |
3939 | return; |
2141 | |
3940 | |
|
|
3941 | EV_FREQUENT_CHECK; |
|
|
3942 | |
2142 | { |
3943 | { |
2143 | int active = ((W)w)->active; |
3944 | int active = ev_active (w); |
|
|
3945 | |
2144 | prepares [active - 1] = prepares [--preparecnt]; |
3946 | prepares [active - 1] = prepares [--preparecnt]; |
2145 | ((W)prepares [active - 1])->active = active; |
3947 | ev_active (prepares [active - 1]) = active; |
2146 | } |
3948 | } |
2147 | |
3949 | |
2148 | ev_stop (EV_A_ (W)w); |
3950 | ev_stop (EV_A_ (W)w); |
2149 | } |
|
|
2150 | |
3951 | |
|
|
3952 | EV_FREQUENT_CHECK; |
|
|
3953 | } |
|
|
3954 | #endif |
|
|
3955 | |
|
|
3956 | #if EV_CHECK_ENABLE |
2151 | void |
3957 | void |
2152 | ev_check_start (EV_P_ ev_check *w) |
3958 | ev_check_start (EV_P_ ev_check *w) |
2153 | { |
3959 | { |
2154 | if (expect_false (ev_is_active (w))) |
3960 | if (expect_false (ev_is_active (w))) |
2155 | return; |
3961 | return; |
|
|
3962 | |
|
|
3963 | EV_FREQUENT_CHECK; |
2156 | |
3964 | |
2157 | ev_start (EV_A_ (W)w, ++checkcnt); |
3965 | ev_start (EV_A_ (W)w, ++checkcnt); |
2158 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
3966 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2159 | checks [checkcnt - 1] = w; |
3967 | checks [checkcnt - 1] = w; |
|
|
3968 | |
|
|
3969 | EV_FREQUENT_CHECK; |
2160 | } |
3970 | } |
2161 | |
3971 | |
2162 | void |
3972 | void |
2163 | ev_check_stop (EV_P_ ev_check *w) |
3973 | ev_check_stop (EV_P_ ev_check *w) |
2164 | { |
3974 | { |
2165 | clear_pending (EV_A_ (W)w); |
3975 | clear_pending (EV_A_ (W)w); |
2166 | if (expect_false (!ev_is_active (w))) |
3976 | if (expect_false (!ev_is_active (w))) |
2167 | return; |
3977 | return; |
2168 | |
3978 | |
|
|
3979 | EV_FREQUENT_CHECK; |
|
|
3980 | |
2169 | { |
3981 | { |
2170 | int active = ((W)w)->active; |
3982 | int active = ev_active (w); |
|
|
3983 | |
2171 | checks [active - 1] = checks [--checkcnt]; |
3984 | checks [active - 1] = checks [--checkcnt]; |
2172 | ((W)checks [active - 1])->active = active; |
3985 | ev_active (checks [active - 1]) = active; |
2173 | } |
3986 | } |
2174 | |
3987 | |
2175 | ev_stop (EV_A_ (W)w); |
3988 | ev_stop (EV_A_ (W)w); |
|
|
3989 | |
|
|
3990 | EV_FREQUENT_CHECK; |
2176 | } |
3991 | } |
|
|
3992 | #endif |
2177 | |
3993 | |
2178 | #if EV_EMBED_ENABLE |
3994 | #if EV_EMBED_ENABLE |
2179 | void noinline |
3995 | void noinline |
2180 | ev_embed_sweep (EV_P_ ev_embed *w) |
3996 | ev_embed_sweep (EV_P_ ev_embed *w) |
2181 | { |
3997 | { |
2182 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
3998 | ev_run (w->other, EVRUN_NOWAIT); |
2183 | } |
3999 | } |
2184 | |
4000 | |
2185 | static void |
4001 | static void |
2186 | embed_cb (EV_P_ ev_io *io, int revents) |
4002 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2187 | { |
4003 | { |
2188 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
4004 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2189 | |
4005 | |
2190 | if (ev_cb (w)) |
4006 | if (ev_cb (w)) |
2191 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
4007 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2192 | else |
4008 | else |
2193 | ev_embed_sweep (loop, w); |
4009 | ev_run (w->other, EVRUN_NOWAIT); |
2194 | } |
4010 | } |
|
|
4011 | |
|
|
4012 | static void |
|
|
4013 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
4014 | { |
|
|
4015 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
4016 | |
|
|
4017 | { |
|
|
4018 | EV_P = w->other; |
|
|
4019 | |
|
|
4020 | while (fdchangecnt) |
|
|
4021 | { |
|
|
4022 | fd_reify (EV_A); |
|
|
4023 | ev_run (EV_A_ EVRUN_NOWAIT); |
|
|
4024 | } |
|
|
4025 | } |
|
|
4026 | } |
|
|
4027 | |
|
|
4028 | static void |
|
|
4029 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
4030 | { |
|
|
4031 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
4032 | |
|
|
4033 | ev_embed_stop (EV_A_ w); |
|
|
4034 | |
|
|
4035 | { |
|
|
4036 | EV_P = w->other; |
|
|
4037 | |
|
|
4038 | ev_loop_fork (EV_A); |
|
|
4039 | ev_run (EV_A_ EVRUN_NOWAIT); |
|
|
4040 | } |
|
|
4041 | |
|
|
4042 | ev_embed_start (EV_A_ w); |
|
|
4043 | } |
|
|
4044 | |
|
|
4045 | #if 0 |
|
|
4046 | static void |
|
|
4047 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
4048 | { |
|
|
4049 | ev_idle_stop (EV_A_ idle); |
|
|
4050 | } |
|
|
4051 | #endif |
2195 | |
4052 | |
2196 | void |
4053 | void |
2197 | ev_embed_start (EV_P_ ev_embed *w) |
4054 | ev_embed_start (EV_P_ ev_embed *w) |
2198 | { |
4055 | { |
2199 | if (expect_false (ev_is_active (w))) |
4056 | if (expect_false (ev_is_active (w))) |
2200 | return; |
4057 | return; |
2201 | |
4058 | |
2202 | { |
4059 | { |
2203 | struct ev_loop *loop = w->loop; |
4060 | EV_P = w->other; |
2204 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4061 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2205 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
4062 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2206 | } |
4063 | } |
|
|
4064 | |
|
|
4065 | EV_FREQUENT_CHECK; |
2207 | |
4066 | |
2208 | ev_set_priority (&w->io, ev_priority (w)); |
4067 | ev_set_priority (&w->io, ev_priority (w)); |
2209 | ev_io_start (EV_A_ &w->io); |
4068 | ev_io_start (EV_A_ &w->io); |
2210 | |
4069 | |
|
|
4070 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
4071 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
4072 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
4073 | |
|
|
4074 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
4075 | ev_fork_start (EV_A_ &w->fork); |
|
|
4076 | |
|
|
4077 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
4078 | |
2211 | ev_start (EV_A_ (W)w, 1); |
4079 | ev_start (EV_A_ (W)w, 1); |
|
|
4080 | |
|
|
4081 | EV_FREQUENT_CHECK; |
2212 | } |
4082 | } |
2213 | |
4083 | |
2214 | void |
4084 | void |
2215 | ev_embed_stop (EV_P_ ev_embed *w) |
4085 | ev_embed_stop (EV_P_ ev_embed *w) |
2216 | { |
4086 | { |
2217 | clear_pending (EV_A_ (W)w); |
4087 | clear_pending (EV_A_ (W)w); |
2218 | if (expect_false (!ev_is_active (w))) |
4088 | if (expect_false (!ev_is_active (w))) |
2219 | return; |
4089 | return; |
2220 | |
4090 | |
|
|
4091 | EV_FREQUENT_CHECK; |
|
|
4092 | |
2221 | ev_io_stop (EV_A_ &w->io); |
4093 | ev_io_stop (EV_A_ &w->io); |
|
|
4094 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
4095 | ev_fork_stop (EV_A_ &w->fork); |
2222 | |
4096 | |
2223 | ev_stop (EV_A_ (W)w); |
4097 | ev_stop (EV_A_ (W)w); |
|
|
4098 | |
|
|
4099 | EV_FREQUENT_CHECK; |
2224 | } |
4100 | } |
2225 | #endif |
4101 | #endif |
2226 | |
4102 | |
2227 | #if EV_FORK_ENABLE |
4103 | #if EV_FORK_ENABLE |
2228 | void |
4104 | void |
2229 | ev_fork_start (EV_P_ ev_fork *w) |
4105 | ev_fork_start (EV_P_ ev_fork *w) |
2230 | { |
4106 | { |
2231 | if (expect_false (ev_is_active (w))) |
4107 | if (expect_false (ev_is_active (w))) |
2232 | return; |
4108 | return; |
2233 | |
4109 | |
|
|
4110 | EV_FREQUENT_CHECK; |
|
|
4111 | |
2234 | ev_start (EV_A_ (W)w, ++forkcnt); |
4112 | ev_start (EV_A_ (W)w, ++forkcnt); |
2235 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4113 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2236 | forks [forkcnt - 1] = w; |
4114 | forks [forkcnt - 1] = w; |
|
|
4115 | |
|
|
4116 | EV_FREQUENT_CHECK; |
2237 | } |
4117 | } |
2238 | |
4118 | |
2239 | void |
4119 | void |
2240 | ev_fork_stop (EV_P_ ev_fork *w) |
4120 | ev_fork_stop (EV_P_ ev_fork *w) |
2241 | { |
4121 | { |
2242 | clear_pending (EV_A_ (W)w); |
4122 | clear_pending (EV_A_ (W)w); |
2243 | if (expect_false (!ev_is_active (w))) |
4123 | if (expect_false (!ev_is_active (w))) |
2244 | return; |
4124 | return; |
2245 | |
4125 | |
|
|
4126 | EV_FREQUENT_CHECK; |
|
|
4127 | |
2246 | { |
4128 | { |
2247 | int active = ((W)w)->active; |
4129 | int active = ev_active (w); |
|
|
4130 | |
2248 | forks [active - 1] = forks [--forkcnt]; |
4131 | forks [active - 1] = forks [--forkcnt]; |
2249 | ((W)forks [active - 1])->active = active; |
4132 | ev_active (forks [active - 1]) = active; |
2250 | } |
4133 | } |
2251 | |
4134 | |
2252 | ev_stop (EV_A_ (W)w); |
4135 | ev_stop (EV_A_ (W)w); |
|
|
4136 | |
|
|
4137 | EV_FREQUENT_CHECK; |
|
|
4138 | } |
|
|
4139 | #endif |
|
|
4140 | |
|
|
4141 | #if EV_CLEANUP_ENABLE |
|
|
4142 | void |
|
|
4143 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
|
|
4144 | { |
|
|
4145 | if (expect_false (ev_is_active (w))) |
|
|
4146 | return; |
|
|
4147 | |
|
|
4148 | EV_FREQUENT_CHECK; |
|
|
4149 | |
|
|
4150 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
|
|
4151 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
|
|
4152 | cleanups [cleanupcnt - 1] = w; |
|
|
4153 | |
|
|
4154 | /* cleanup watchers should never keep a refcount on the loop */ |
|
|
4155 | ev_unref (EV_A); |
|
|
4156 | EV_FREQUENT_CHECK; |
|
|
4157 | } |
|
|
4158 | |
|
|
4159 | void |
|
|
4160 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
|
|
4161 | { |
|
|
4162 | clear_pending (EV_A_ (W)w); |
|
|
4163 | if (expect_false (!ev_is_active (w))) |
|
|
4164 | return; |
|
|
4165 | |
|
|
4166 | EV_FREQUENT_CHECK; |
|
|
4167 | ev_ref (EV_A); |
|
|
4168 | |
|
|
4169 | { |
|
|
4170 | int active = ev_active (w); |
|
|
4171 | |
|
|
4172 | cleanups [active - 1] = cleanups [--cleanupcnt]; |
|
|
4173 | ev_active (cleanups [active - 1]) = active; |
|
|
4174 | } |
|
|
4175 | |
|
|
4176 | ev_stop (EV_A_ (W)w); |
|
|
4177 | |
|
|
4178 | EV_FREQUENT_CHECK; |
|
|
4179 | } |
|
|
4180 | #endif |
|
|
4181 | |
|
|
4182 | #if EV_ASYNC_ENABLE |
|
|
4183 | void |
|
|
4184 | ev_async_start (EV_P_ ev_async *w) |
|
|
4185 | { |
|
|
4186 | if (expect_false (ev_is_active (w))) |
|
|
4187 | return; |
|
|
4188 | |
|
|
4189 | w->sent = 0; |
|
|
4190 | |
|
|
4191 | evpipe_init (EV_A); |
|
|
4192 | |
|
|
4193 | EV_FREQUENT_CHECK; |
|
|
4194 | |
|
|
4195 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
4196 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
4197 | asyncs [asynccnt - 1] = w; |
|
|
4198 | |
|
|
4199 | EV_FREQUENT_CHECK; |
|
|
4200 | } |
|
|
4201 | |
|
|
4202 | void |
|
|
4203 | ev_async_stop (EV_P_ ev_async *w) |
|
|
4204 | { |
|
|
4205 | clear_pending (EV_A_ (W)w); |
|
|
4206 | if (expect_false (!ev_is_active (w))) |
|
|
4207 | return; |
|
|
4208 | |
|
|
4209 | EV_FREQUENT_CHECK; |
|
|
4210 | |
|
|
4211 | { |
|
|
4212 | int active = ev_active (w); |
|
|
4213 | |
|
|
4214 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
4215 | ev_active (asyncs [active - 1]) = active; |
|
|
4216 | } |
|
|
4217 | |
|
|
4218 | ev_stop (EV_A_ (W)w); |
|
|
4219 | |
|
|
4220 | EV_FREQUENT_CHECK; |
|
|
4221 | } |
|
|
4222 | |
|
|
4223 | void |
|
|
4224 | ev_async_send (EV_P_ ev_async *w) |
|
|
4225 | { |
|
|
4226 | w->sent = 1; |
|
|
4227 | evpipe_write (EV_A_ &async_pending); |
2253 | } |
4228 | } |
2254 | #endif |
4229 | #endif |
2255 | |
4230 | |
2256 | /*****************************************************************************/ |
4231 | /*****************************************************************************/ |
2257 | |
4232 | |
… | |
… | |
2267 | once_cb (EV_P_ struct ev_once *once, int revents) |
4242 | once_cb (EV_P_ struct ev_once *once, int revents) |
2268 | { |
4243 | { |
2269 | void (*cb)(int revents, void *arg) = once->cb; |
4244 | void (*cb)(int revents, void *arg) = once->cb; |
2270 | void *arg = once->arg; |
4245 | void *arg = once->arg; |
2271 | |
4246 | |
2272 | ev_io_stop (EV_A_ &once->io); |
4247 | ev_io_stop (EV_A_ &once->io); |
2273 | ev_timer_stop (EV_A_ &once->to); |
4248 | ev_timer_stop (EV_A_ &once->to); |
2274 | ev_free (once); |
4249 | ev_free (once); |
2275 | |
4250 | |
2276 | cb (revents, arg); |
4251 | cb (revents, arg); |
2277 | } |
4252 | } |
2278 | |
4253 | |
2279 | static void |
4254 | static void |
2280 | once_cb_io (EV_P_ ev_io *w, int revents) |
4255 | once_cb_io (EV_P_ ev_io *w, int revents) |
2281 | { |
4256 | { |
2282 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
4257 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
4258 | |
|
|
4259 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2283 | } |
4260 | } |
2284 | |
4261 | |
2285 | static void |
4262 | static void |
2286 | once_cb_to (EV_P_ ev_timer *w, int revents) |
4263 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2287 | { |
4264 | { |
2288 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
4265 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
4266 | |
|
|
4267 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2289 | } |
4268 | } |
2290 | |
4269 | |
2291 | void |
4270 | void |
2292 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4271 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2293 | { |
4272 | { |
2294 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4273 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
2295 | |
4274 | |
2296 | if (expect_false (!once)) |
4275 | if (expect_false (!once)) |
2297 | { |
4276 | { |
2298 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
4277 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
2299 | return; |
4278 | return; |
2300 | } |
4279 | } |
2301 | |
4280 | |
2302 | once->cb = cb; |
4281 | once->cb = cb; |
2303 | once->arg = arg; |
4282 | once->arg = arg; |
… | |
… | |
2315 | ev_timer_set (&once->to, timeout, 0.); |
4294 | ev_timer_set (&once->to, timeout, 0.); |
2316 | ev_timer_start (EV_A_ &once->to); |
4295 | ev_timer_start (EV_A_ &once->to); |
2317 | } |
4296 | } |
2318 | } |
4297 | } |
2319 | |
4298 | |
2320 | #ifdef __cplusplus |
4299 | /*****************************************************************************/ |
2321 | } |
4300 | |
|
|
4301 | #if EV_WALK_ENABLE |
|
|
4302 | void ecb_cold |
|
|
4303 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
4304 | { |
|
|
4305 | int i, j; |
|
|
4306 | ev_watcher_list *wl, *wn; |
|
|
4307 | |
|
|
4308 | if (types & (EV_IO | EV_EMBED)) |
|
|
4309 | for (i = 0; i < anfdmax; ++i) |
|
|
4310 | for (wl = anfds [i].head; wl; ) |
|
|
4311 | { |
|
|
4312 | wn = wl->next; |
|
|
4313 | |
|
|
4314 | #if EV_EMBED_ENABLE |
|
|
4315 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
4316 | { |
|
|
4317 | if (types & EV_EMBED) |
|
|
4318 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
4319 | } |
|
|
4320 | else |
|
|
4321 | #endif |
|
|
4322 | #if EV_USE_INOTIFY |
|
|
4323 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
4324 | ; |
|
|
4325 | else |
|
|
4326 | #endif |
|
|
4327 | if ((ev_io *)wl != &pipe_w) |
|
|
4328 | if (types & EV_IO) |
|
|
4329 | cb (EV_A_ EV_IO, wl); |
|
|
4330 | |
|
|
4331 | wl = wn; |
|
|
4332 | } |
|
|
4333 | |
|
|
4334 | if (types & (EV_TIMER | EV_STAT)) |
|
|
4335 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
4336 | #if EV_STAT_ENABLE |
|
|
4337 | /*TODO: timer is not always active*/ |
|
|
4338 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
4339 | { |
|
|
4340 | if (types & EV_STAT) |
|
|
4341 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
4342 | } |
|
|
4343 | else |
|
|
4344 | #endif |
|
|
4345 | if (types & EV_TIMER) |
|
|
4346 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
4347 | |
|
|
4348 | #if EV_PERIODIC_ENABLE |
|
|
4349 | if (types & EV_PERIODIC) |
|
|
4350 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
4351 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
4352 | #endif |
|
|
4353 | |
|
|
4354 | #if EV_IDLE_ENABLE |
|
|
4355 | if (types & EV_IDLE) |
|
|
4356 | for (j = NUMPRI; j--; ) |
|
|
4357 | for (i = idlecnt [j]; i--; ) |
|
|
4358 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
4359 | #endif |
|
|
4360 | |
|
|
4361 | #if EV_FORK_ENABLE |
|
|
4362 | if (types & EV_FORK) |
|
|
4363 | for (i = forkcnt; i--; ) |
|
|
4364 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
4365 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
4366 | #endif |
|
|
4367 | |
|
|
4368 | #if EV_ASYNC_ENABLE |
|
|
4369 | if (types & EV_ASYNC) |
|
|
4370 | for (i = asynccnt; i--; ) |
|
|
4371 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
4372 | #endif |
|
|
4373 | |
|
|
4374 | #if EV_PREPARE_ENABLE |
|
|
4375 | if (types & EV_PREPARE) |
|
|
4376 | for (i = preparecnt; i--; ) |
|
|
4377 | # if EV_EMBED_ENABLE |
|
|
4378 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
2322 | #endif |
4379 | # endif |
|
|
4380 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
4381 | #endif |
2323 | |
4382 | |
|
|
4383 | #if EV_CHECK_ENABLE |
|
|
4384 | if (types & EV_CHECK) |
|
|
4385 | for (i = checkcnt; i--; ) |
|
|
4386 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
4387 | #endif |
|
|
4388 | |
|
|
4389 | #if EV_SIGNAL_ENABLE |
|
|
4390 | if (types & EV_SIGNAL) |
|
|
4391 | for (i = 0; i < EV_NSIG - 1; ++i) |
|
|
4392 | for (wl = signals [i].head; wl; ) |
|
|
4393 | { |
|
|
4394 | wn = wl->next; |
|
|
4395 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
4396 | wl = wn; |
|
|
4397 | } |
|
|
4398 | #endif |
|
|
4399 | |
|
|
4400 | #if EV_CHILD_ENABLE |
|
|
4401 | if (types & EV_CHILD) |
|
|
4402 | for (i = (EV_PID_HASHSIZE); i--; ) |
|
|
4403 | for (wl = childs [i]; wl; ) |
|
|
4404 | { |
|
|
4405 | wn = wl->next; |
|
|
4406 | cb (EV_A_ EV_CHILD, wl); |
|
|
4407 | wl = wn; |
|
|
4408 | } |
|
|
4409 | #endif |
|
|
4410 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
4411 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
4412 | } |
|
|
4413 | #endif |
|
|
4414 | |
|
|
4415 | #if EV_MULTIPLICITY |
|
|
4416 | #include "ev_wrap.h" |
|
|
4417 | #endif |
|
|
4418 | |