… | |
… | |
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 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: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
10 | * |
27 | * |
11 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
12 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
13 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
14 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
15 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
16 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
17 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
18 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 | */ |
38 | */ |
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39 | |
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40 | #ifdef __cplusplus |
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41 | extern "C" { |
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42 | #endif |
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43 | |
31 | #ifndef EV_STANDALONE |
44 | #ifndef EV_STANDALONE |
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45 | # ifdef EV_CONFIG_H |
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46 | # include EV_CONFIG_H |
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47 | # else |
32 | # include "config.h" |
48 | # include "config.h" |
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49 | # endif |
33 | |
50 | |
34 | # if HAVE_CLOCK_GETTIME |
51 | # if HAVE_CLOCK_GETTIME |
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52 | # ifndef EV_USE_MONOTONIC |
35 | # define EV_USE_MONOTONIC 1 |
53 | # define EV_USE_MONOTONIC 1 |
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54 | # endif |
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55 | # ifndef EV_USE_REALTIME |
36 | # define EV_USE_REALTIME 1 |
56 | # define EV_USE_REALTIME 1 |
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57 | # endif |
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58 | # else |
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59 | # ifndef EV_USE_MONOTONIC |
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60 | # define EV_USE_MONOTONIC 0 |
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61 | # endif |
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62 | # ifndef EV_USE_REALTIME |
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63 | # define EV_USE_REALTIME 0 |
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64 | # endif |
37 | # endif |
65 | # endif |
38 | |
66 | |
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
67 | # ifndef EV_USE_NANOSLEEP |
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68 | # if HAVE_NANOSLEEP |
40 | # define EV_USE_SELECT 1 |
69 | # define EV_USE_NANOSLEEP 1 |
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70 | # else |
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71 | # define EV_USE_NANOSLEEP 0 |
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72 | # endif |
41 | # endif |
73 | # endif |
42 | |
74 | |
43 | # if HAVE_POLL && HAVE_POLL_H |
75 | # ifndef EV_USE_SELECT |
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76 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
44 | # define EV_USE_POLL 1 |
77 | # define EV_USE_SELECT 1 |
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78 | # else |
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79 | # define EV_USE_SELECT 0 |
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80 | # endif |
45 | # endif |
81 | # endif |
46 | |
82 | |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
83 | # ifndef EV_USE_POLL |
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84 | # if HAVE_POLL && HAVE_POLL_H |
48 | # define EV_USE_EPOLL 1 |
85 | # define EV_USE_POLL 1 |
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86 | # else |
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87 | # define EV_USE_POLL 0 |
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88 | # endif |
49 | # endif |
89 | # endif |
50 | |
90 | |
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91 | # ifndef EV_USE_EPOLL |
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92 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
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93 | # define EV_USE_EPOLL 1 |
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94 | # else |
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95 | # define EV_USE_EPOLL 0 |
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96 | # endif |
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97 | # endif |
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98 | |
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99 | # ifndef EV_USE_KQUEUE |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
100 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
52 | # define EV_USE_KQUEUE 1 |
101 | # define EV_USE_KQUEUE 1 |
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102 | # else |
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103 | # define EV_USE_KQUEUE 0 |
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104 | # endif |
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105 | # endif |
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106 | |
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107 | # ifndef EV_USE_PORT |
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108 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
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109 | # define EV_USE_PORT 1 |
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110 | # else |
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111 | # define EV_USE_PORT 0 |
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112 | # endif |
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113 | # endif |
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114 | |
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115 | # ifndef EV_USE_INOTIFY |
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116 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
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117 | # define EV_USE_INOTIFY 1 |
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118 | # else |
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119 | # define EV_USE_INOTIFY 0 |
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120 | # endif |
53 | # endif |
121 | # endif |
54 | |
122 | |
55 | #endif |
123 | #endif |
56 | |
124 | |
57 | #include <math.h> |
125 | #include <math.h> |
58 | #include <stdlib.h> |
126 | #include <stdlib.h> |
59 | #include <unistd.h> |
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60 | #include <fcntl.h> |
127 | #include <fcntl.h> |
61 | #include <signal.h> |
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62 | #include <stddef.h> |
128 | #include <stddef.h> |
63 | |
129 | |
64 | #include <stdio.h> |
130 | #include <stdio.h> |
65 | |
131 | |
66 | #include <assert.h> |
132 | #include <assert.h> |
67 | #include <errno.h> |
133 | #include <errno.h> |
68 | #include <sys/types.h> |
134 | #include <sys/types.h> |
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135 | #include <time.h> |
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136 | |
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137 | #include <signal.h> |
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138 | |
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139 | #ifdef EV_H |
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140 | # include EV_H |
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141 | #else |
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142 | # include "ev.h" |
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143 | #endif |
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144 | |
69 | #ifndef WIN32 |
145 | #ifndef _WIN32 |
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146 | # include <sys/time.h> |
70 | # include <sys/wait.h> |
147 | # include <sys/wait.h> |
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148 | # include <unistd.h> |
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149 | #else |
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150 | # define WIN32_LEAN_AND_MEAN |
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151 | # include <windows.h> |
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152 | # ifndef EV_SELECT_IS_WINSOCKET |
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153 | # define EV_SELECT_IS_WINSOCKET 1 |
71 | #endif |
154 | # endif |
72 | #include <sys/time.h> |
155 | #endif |
73 | #include <time.h> |
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74 | |
156 | |
75 | /**/ |
157 | /**/ |
76 | |
158 | |
77 | #ifndef EV_USE_MONOTONIC |
159 | #ifndef EV_USE_MONOTONIC |
78 | # define EV_USE_MONOTONIC 1 |
160 | # define EV_USE_MONOTONIC 0 |
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161 | #endif |
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162 | |
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163 | #ifndef EV_USE_REALTIME |
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164 | # define EV_USE_REALTIME 0 |
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165 | #endif |
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166 | |
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167 | #ifndef EV_USE_NANOSLEEP |
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168 | # define EV_USE_NANOSLEEP 0 |
79 | #endif |
169 | #endif |
80 | |
170 | |
81 | #ifndef EV_USE_SELECT |
171 | #ifndef EV_USE_SELECT |
82 | # define EV_USE_SELECT 1 |
172 | # define EV_USE_SELECT 1 |
83 | #endif |
173 | #endif |
84 | |
174 | |
85 | #ifndef EV_USE_POLL |
175 | #ifndef EV_USE_POLL |
86 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
176 | # ifdef _WIN32 |
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177 | # define EV_USE_POLL 0 |
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178 | # else |
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179 | # define EV_USE_POLL 1 |
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180 | # endif |
87 | #endif |
181 | #endif |
88 | |
182 | |
89 | #ifndef EV_USE_EPOLL |
183 | #ifndef EV_USE_EPOLL |
90 | # define EV_USE_EPOLL 0 |
184 | # define EV_USE_EPOLL 0 |
91 | #endif |
185 | #endif |
92 | |
186 | |
93 | #ifndef EV_USE_KQUEUE |
187 | #ifndef EV_USE_KQUEUE |
94 | # define EV_USE_KQUEUE 0 |
188 | # define EV_USE_KQUEUE 0 |
95 | #endif |
189 | #endif |
96 | |
190 | |
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191 | #ifndef EV_USE_PORT |
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192 | # define EV_USE_PORT 0 |
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193 | #endif |
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194 | |
97 | #ifndef EV_USE_WIN32 |
195 | #ifndef EV_USE_INOTIFY |
98 | # ifdef WIN32 |
196 | # define EV_USE_INOTIFY 0 |
99 | # define EV_USE_WIN32 1 |
197 | #endif |
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198 | |
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199 | #ifndef EV_PID_HASHSIZE |
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200 | # if EV_MINIMAL |
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201 | # define EV_PID_HASHSIZE 1 |
100 | # else |
202 | # else |
101 | # define EV_USE_WIN32 0 |
203 | # define EV_PID_HASHSIZE 16 |
102 | # endif |
204 | # endif |
103 | #endif |
205 | #endif |
104 | |
206 | |
105 | #ifndef EV_USE_REALTIME |
207 | #ifndef EV_INOTIFY_HASHSIZE |
106 | # define EV_USE_REALTIME 1 |
208 | # if EV_MINIMAL |
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209 | # define EV_INOTIFY_HASHSIZE 1 |
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210 | # else |
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211 | # define EV_INOTIFY_HASHSIZE 16 |
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212 | # endif |
107 | #endif |
213 | #endif |
108 | |
214 | |
109 | /**/ |
215 | /**/ |
110 | |
216 | |
111 | #ifndef CLOCK_MONOTONIC |
217 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
116 | #ifndef CLOCK_REALTIME |
222 | #ifndef CLOCK_REALTIME |
117 | # undef EV_USE_REALTIME |
223 | # undef EV_USE_REALTIME |
118 | # define EV_USE_REALTIME 0 |
224 | # define EV_USE_REALTIME 0 |
119 | #endif |
225 | #endif |
120 | |
226 | |
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227 | #if !EV_STAT_ENABLE |
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228 | # undef EV_USE_INOTIFY |
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229 | # define EV_USE_INOTIFY 0 |
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230 | #endif |
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231 | |
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232 | #if !EV_USE_NANOSLEEP |
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233 | # ifndef _WIN32 |
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234 | # include <sys/select.h> |
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235 | # endif |
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236 | #endif |
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237 | |
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238 | #if EV_USE_INOTIFY |
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239 | # include <sys/inotify.h> |
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240 | #endif |
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241 | |
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242 | #if EV_SELECT_IS_WINSOCKET |
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243 | # include <winsock.h> |
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244 | #endif |
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245 | |
121 | /**/ |
246 | /**/ |
122 | |
247 | |
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248 | /* |
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249 | * This is used to avoid floating point rounding problems. |
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250 | * It is added to ev_rt_now when scheduling periodics |
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251 | * to ensure progress, time-wise, even when rounding |
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252 | * errors are against us. |
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253 | * This value is good at least till the year 4000. |
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254 | * Better solutions welcome. |
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255 | */ |
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256 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
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257 | |
123 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
258 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
124 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
259 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
125 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
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126 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
260 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
127 | |
261 | |
128 | #include "ev.h" |
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129 | |
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130 | #if __GNUC__ >= 3 |
262 | #if __GNUC__ >= 4 |
131 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
132 | # define inline inline |
264 | # define noinline __attribute__ ((noinline)) |
133 | #else |
265 | #else |
134 | # define expect(expr,value) (expr) |
266 | # define expect(expr,value) (expr) |
135 | # define inline static |
267 | # define noinline |
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268 | # if __STDC_VERSION__ < 199901L |
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269 | # define inline |
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270 | # endif |
136 | #endif |
271 | #endif |
137 | |
272 | |
138 | #define expect_false(expr) expect ((expr) != 0, 0) |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
139 | #define expect_true(expr) expect ((expr) != 0, 1) |
274 | #define expect_true(expr) expect ((expr) != 0, 1) |
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275 | #define inline_size static inline |
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276 | |
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277 | #if EV_MINIMAL |
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278 | # define inline_speed static noinline |
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279 | #else |
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280 | # define inline_speed static inline |
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281 | #endif |
140 | |
282 | |
141 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
283 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
142 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
284 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
143 | |
285 | |
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286 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
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287 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
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288 | |
144 | typedef struct ev_watcher *W; |
289 | typedef ev_watcher *W; |
145 | typedef struct ev_watcher_list *WL; |
290 | typedef ev_watcher_list *WL; |
146 | typedef struct ev_watcher_time *WT; |
291 | typedef ev_watcher_time *WT; |
147 | |
292 | |
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293 | #if EV_USE_MONOTONIC |
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294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
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295 | /* giving it a reasonably high chance of working on typical architetcures */ |
148 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
296 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
149 | |
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150 | #if WIN32 |
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151 | /* note: the comment below could not be substantiated, but what would I care */ |
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152 | /* MSDN says this is required to handle SIGFPE */ |
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153 | volatile double SIGFPE_REQ = 0.0f; |
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154 | #endif |
297 | #endif |
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298 | |
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299 | #ifdef _WIN32 |
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300 | # include "ev_win32.c" |
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301 | #endif |
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302 | |
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303 | /*****************************************************************************/ |
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304 | |
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305 | static void (*syserr_cb)(const char *msg); |
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306 | |
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307 | void |
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308 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
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309 | { |
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310 | syserr_cb = cb; |
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311 | } |
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312 | |
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313 | static void noinline |
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314 | syserr (const char *msg) |
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315 | { |
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316 | if (!msg) |
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317 | msg = "(libev) system error"; |
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318 | |
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319 | if (syserr_cb) |
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320 | syserr_cb (msg); |
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321 | else |
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322 | { |
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323 | perror (msg); |
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324 | abort (); |
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325 | } |
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326 | } |
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327 | |
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328 | static void *(*alloc)(void *ptr, long size); |
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329 | |
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330 | void |
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331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
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332 | { |
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333 | alloc = cb; |
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334 | } |
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335 | |
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336 | inline_speed void * |
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337 | ev_realloc (void *ptr, long size) |
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338 | { |
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339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
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340 | |
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341 | if (!ptr && size) |
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342 | { |
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343 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
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344 | abort (); |
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345 | } |
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346 | |
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347 | return ptr; |
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348 | } |
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349 | |
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350 | #define ev_malloc(size) ev_realloc (0, (size)) |
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351 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
155 | |
352 | |
156 | /*****************************************************************************/ |
353 | /*****************************************************************************/ |
157 | |
354 | |
158 | typedef struct |
355 | typedef struct |
159 | { |
356 | { |
160 | WL head; |
357 | WL head; |
161 | unsigned char events; |
358 | unsigned char events; |
162 | unsigned char reify; |
359 | unsigned char reify; |
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360 | #if EV_SELECT_IS_WINSOCKET |
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361 | SOCKET handle; |
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362 | #endif |
163 | } ANFD; |
363 | } ANFD; |
164 | |
364 | |
165 | typedef struct |
365 | typedef struct |
166 | { |
366 | { |
167 | W w; |
367 | W w; |
168 | int events; |
368 | int events; |
169 | } ANPENDING; |
369 | } ANPENDING; |
170 | |
370 | |
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371 | #if EV_USE_INOTIFY |
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372 | typedef struct |
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373 | { |
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374 | WL head; |
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375 | } ANFS; |
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376 | #endif |
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377 | |
171 | #if EV_MULTIPLICITY |
378 | #if EV_MULTIPLICITY |
172 | |
379 | |
173 | struct ev_loop |
380 | struct ev_loop |
174 | { |
381 | { |
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382 | ev_tstamp ev_rt_now; |
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383 | #define ev_rt_now ((loop)->ev_rt_now) |
175 | # define VAR(name,decl) decl; |
384 | #define VAR(name,decl) decl; |
176 | # include "ev_vars.h" |
385 | #include "ev_vars.h" |
177 | }; |
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178 | # undef VAR |
386 | #undef VAR |
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387 | }; |
179 | # include "ev_wrap.h" |
388 | #include "ev_wrap.h" |
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389 | |
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390 | static struct ev_loop default_loop_struct; |
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391 | struct ev_loop *ev_default_loop_ptr; |
180 | |
392 | |
181 | #else |
393 | #else |
182 | |
394 | |
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395 | ev_tstamp ev_rt_now; |
183 | # define VAR(name,decl) static decl; |
396 | #define VAR(name,decl) static decl; |
184 | # include "ev_vars.h" |
397 | #include "ev_vars.h" |
185 | # undef VAR |
398 | #undef VAR |
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399 | |
|
|
400 | static int ev_default_loop_ptr; |
186 | |
401 | |
187 | #endif |
402 | #endif |
188 | |
403 | |
189 | /*****************************************************************************/ |
404 | /*****************************************************************************/ |
190 | |
405 | |
191 | inline ev_tstamp |
406 | ev_tstamp |
192 | ev_time (void) |
407 | ev_time (void) |
193 | { |
408 | { |
194 | #if EV_USE_REALTIME |
409 | #if EV_USE_REALTIME |
195 | struct timespec ts; |
410 | struct timespec ts; |
196 | clock_gettime (CLOCK_REALTIME, &ts); |
411 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
200 | gettimeofday (&tv, 0); |
415 | gettimeofday (&tv, 0); |
201 | return tv.tv_sec + tv.tv_usec * 1e-6; |
416 | return tv.tv_sec + tv.tv_usec * 1e-6; |
202 | #endif |
417 | #endif |
203 | } |
418 | } |
204 | |
419 | |
205 | inline ev_tstamp |
420 | ev_tstamp inline_size |
206 | get_clock (void) |
421 | get_clock (void) |
207 | { |
422 | { |
208 | #if EV_USE_MONOTONIC |
423 | #if EV_USE_MONOTONIC |
209 | if (expect_true (have_monotonic)) |
424 | if (expect_true (have_monotonic)) |
210 | { |
425 | { |
… | |
… | |
215 | #endif |
430 | #endif |
216 | |
431 | |
217 | return ev_time (); |
432 | return ev_time (); |
218 | } |
433 | } |
219 | |
434 | |
|
|
435 | #if EV_MULTIPLICITY |
220 | ev_tstamp |
436 | ev_tstamp |
221 | ev_now (EV_P) |
437 | ev_now (EV_P) |
222 | { |
438 | { |
223 | return rt_now; |
439 | return ev_rt_now; |
224 | } |
440 | } |
|
|
441 | #endif |
225 | |
442 | |
226 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
443 | void |
|
|
444 | ev_sleep (ev_tstamp delay) |
|
|
445 | { |
|
|
446 | if (delay > 0.) |
|
|
447 | { |
|
|
448 | #if EV_USE_NANOSLEEP |
|
|
449 | struct timespec ts; |
227 | |
450 | |
|
|
451 | ts.tv_sec = (time_t)delay; |
|
|
452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
453 | |
|
|
454 | nanosleep (&ts, 0); |
|
|
455 | #elif defined(_WIN32) |
|
|
456 | Sleep (delay * 1e3); |
|
|
457 | #else |
|
|
458 | struct timeval tv; |
|
|
459 | |
|
|
460 | tv.tv_sec = (time_t)delay; |
|
|
461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
462 | |
|
|
463 | select (0, 0, 0, 0, &tv); |
|
|
464 | #endif |
|
|
465 | } |
|
|
466 | } |
|
|
467 | |
|
|
468 | /*****************************************************************************/ |
|
|
469 | |
|
|
470 | int inline_size |
|
|
471 | array_nextsize (int elem, int cur, int cnt) |
|
|
472 | { |
|
|
473 | int ncur = cur + 1; |
|
|
474 | |
|
|
475 | do |
|
|
476 | ncur <<= 1; |
|
|
477 | while (cnt > ncur); |
|
|
478 | |
|
|
479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
480 | if (elem * ncur > 4096) |
|
|
481 | { |
|
|
482 | ncur *= elem; |
|
|
483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
484 | ncur = ncur - sizeof (void *) * 4; |
|
|
485 | ncur /= elem; |
|
|
486 | } |
|
|
487 | |
|
|
488 | return ncur; |
|
|
489 | } |
|
|
490 | |
|
|
491 | static noinline void * |
|
|
492 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
493 | { |
|
|
494 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
495 | return ev_realloc (base, elem * *cur); |
|
|
496 | } |
|
|
497 | |
228 | #define array_needsize(base,cur,cnt,init) \ |
498 | #define array_needsize(type,base,cur,cnt,init) \ |
229 | if (expect_false ((cnt) > cur)) \ |
499 | if (expect_false ((cnt) > (cur))) \ |
230 | { \ |
500 | { \ |
231 | int newcnt = cur; \ |
501 | int ocur_ = (cur); \ |
232 | do \ |
502 | (base) = (type *)array_realloc \ |
233 | { \ |
503 | (sizeof (type), (base), &(cur), (cnt)); \ |
234 | newcnt = array_roundsize (base, newcnt << 1); \ |
504 | init ((base) + (ocur_), (cur) - ocur_); \ |
235 | } \ |
|
|
236 | while ((cnt) > newcnt); \ |
|
|
237 | \ |
|
|
238 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
|
|
239 | init (base + cur, newcnt - cur); \ |
|
|
240 | cur = newcnt; \ |
|
|
241 | } |
505 | } |
242 | |
506 | |
|
|
507 | #if 0 |
243 | #define array_slim(stem) \ |
508 | #define array_slim(type,stem) \ |
244 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
509 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
245 | { \ |
510 | { \ |
246 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
511 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
247 | base = realloc (base, sizeof (*base) * (stem ## max)); \ |
512 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
248 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
513 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
249 | } |
514 | } |
|
|
515 | #endif |
250 | |
516 | |
251 | #define array_free(stem, idx) \ |
517 | #define array_free(stem, idx) \ |
252 | free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
518 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
253 | |
519 | |
254 | /*****************************************************************************/ |
520 | /*****************************************************************************/ |
255 | |
521 | |
256 | static void |
522 | void noinline |
|
|
523 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
524 | { |
|
|
525 | W w_ = (W)w; |
|
|
526 | int pri = ABSPRI (w_); |
|
|
527 | |
|
|
528 | if (expect_false (w_->pending)) |
|
|
529 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
530 | else |
|
|
531 | { |
|
|
532 | w_->pending = ++pendingcnt [pri]; |
|
|
533 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
534 | pendings [pri][w_->pending - 1].w = w_; |
|
|
535 | pendings [pri][w_->pending - 1].events = revents; |
|
|
536 | } |
|
|
537 | } |
|
|
538 | |
|
|
539 | void inline_speed |
|
|
540 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
541 | { |
|
|
542 | int i; |
|
|
543 | |
|
|
544 | for (i = 0; i < eventcnt; ++i) |
|
|
545 | ev_feed_event (EV_A_ events [i], type); |
|
|
546 | } |
|
|
547 | |
|
|
548 | /*****************************************************************************/ |
|
|
549 | |
|
|
550 | void inline_size |
257 | anfds_init (ANFD *base, int count) |
551 | anfds_init (ANFD *base, int count) |
258 | { |
552 | { |
259 | while (count--) |
553 | while (count--) |
260 | { |
554 | { |
261 | base->head = 0; |
555 | base->head = 0; |
… | |
… | |
264 | |
558 | |
265 | ++base; |
559 | ++base; |
266 | } |
560 | } |
267 | } |
561 | } |
268 | |
562 | |
269 | static void |
563 | void inline_speed |
270 | event (EV_P_ W w, int events) |
|
|
271 | { |
|
|
272 | if (w->pending) |
|
|
273 | { |
|
|
274 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
|
|
275 | return; |
|
|
276 | } |
|
|
277 | |
|
|
278 | w->pending = ++pendingcnt [ABSPRI (w)]; |
|
|
279 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
|
|
280 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
|
|
281 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
|
|
282 | } |
|
|
283 | |
|
|
284 | static void |
|
|
285 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
286 | { |
|
|
287 | int i; |
|
|
288 | |
|
|
289 | for (i = 0; i < eventcnt; ++i) |
|
|
290 | event (EV_A_ events [i], type); |
|
|
291 | } |
|
|
292 | |
|
|
293 | static void |
|
|
294 | fd_event (EV_P_ int fd, int events) |
564 | fd_event (EV_P_ int fd, int revents) |
295 | { |
565 | { |
296 | ANFD *anfd = anfds + fd; |
566 | ANFD *anfd = anfds + fd; |
297 | struct ev_io *w; |
567 | ev_io *w; |
298 | |
568 | |
299 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
569 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
300 | { |
570 | { |
301 | int ev = w->events & events; |
571 | int ev = w->events & revents; |
302 | |
572 | |
303 | if (ev) |
573 | if (ev) |
304 | event (EV_A_ (W)w, ev); |
574 | ev_feed_event (EV_A_ (W)w, ev); |
305 | } |
575 | } |
306 | } |
576 | } |
307 | |
577 | |
308 | /*****************************************************************************/ |
578 | void |
|
|
579 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
580 | { |
|
|
581 | if (fd >= 0 && fd < anfdmax) |
|
|
582 | fd_event (EV_A_ fd, revents); |
|
|
583 | } |
309 | |
584 | |
310 | static void |
585 | void inline_size |
311 | fd_reify (EV_P) |
586 | fd_reify (EV_P) |
312 | { |
587 | { |
313 | int i; |
588 | int i; |
314 | |
589 | |
315 | for (i = 0; i < fdchangecnt; ++i) |
590 | for (i = 0; i < fdchangecnt; ++i) |
316 | { |
591 | { |
317 | int fd = fdchanges [i]; |
592 | int fd = fdchanges [i]; |
318 | ANFD *anfd = anfds + fd; |
593 | ANFD *anfd = anfds + fd; |
319 | struct ev_io *w; |
594 | ev_io *w; |
320 | |
595 | |
321 | int events = 0; |
596 | unsigned char events = 0; |
322 | |
597 | |
323 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
598 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
324 | events |= w->events; |
599 | events |= (unsigned char)w->events; |
325 | |
600 | |
|
|
601 | #if EV_SELECT_IS_WINSOCKET |
|
|
602 | if (events) |
|
|
603 | { |
|
|
604 | unsigned long argp; |
|
|
605 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
607 | #else |
|
|
608 | anfd->handle = _get_osfhandle (fd); |
|
|
609 | #endif |
|
|
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
611 | } |
|
|
612 | #endif |
|
|
613 | |
|
|
614 | { |
|
|
615 | unsigned char o_events = anfd->events; |
|
|
616 | unsigned char o_reify = anfd->reify; |
|
|
617 | |
326 | anfd->reify = 0; |
618 | anfd->reify = 0; |
327 | |
|
|
328 | method_modify (EV_A_ fd, anfd->events, events); |
|
|
329 | anfd->events = events; |
619 | anfd->events = events; |
|
|
620 | |
|
|
621 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
622 | backend_modify (EV_A_ fd, o_events, events); |
|
|
623 | } |
330 | } |
624 | } |
331 | |
625 | |
332 | fdchangecnt = 0; |
626 | fdchangecnt = 0; |
333 | } |
627 | } |
334 | |
628 | |
335 | static void |
629 | void inline_size |
336 | fd_change (EV_P_ int fd) |
630 | fd_change (EV_P_ int fd, int flags) |
337 | { |
631 | { |
338 | if (anfds [fd].reify || fdchangecnt < 0) |
632 | unsigned char reify = anfds [fd].reify; |
339 | return; |
|
|
340 | |
|
|
341 | anfds [fd].reify = 1; |
633 | anfds [fd].reify |= flags; |
342 | |
634 | |
|
|
635 | if (expect_true (!reify)) |
|
|
636 | { |
343 | ++fdchangecnt; |
637 | ++fdchangecnt; |
344 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
638 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
345 | fdchanges [fdchangecnt - 1] = fd; |
639 | fdchanges [fdchangecnt - 1] = fd; |
|
|
640 | } |
346 | } |
641 | } |
347 | |
642 | |
348 | static void |
643 | void inline_speed |
349 | fd_kill (EV_P_ int fd) |
644 | fd_kill (EV_P_ int fd) |
350 | { |
645 | { |
351 | struct ev_io *w; |
646 | ev_io *w; |
352 | |
647 | |
353 | while ((w = (struct ev_io *)anfds [fd].head)) |
648 | while ((w = (ev_io *)anfds [fd].head)) |
354 | { |
649 | { |
355 | ev_io_stop (EV_A_ w); |
650 | ev_io_stop (EV_A_ w); |
356 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
651 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
357 | } |
652 | } |
|
|
653 | } |
|
|
654 | |
|
|
655 | int inline_size |
|
|
656 | fd_valid (int fd) |
|
|
657 | { |
|
|
658 | #ifdef _WIN32 |
|
|
659 | return _get_osfhandle (fd) != -1; |
|
|
660 | #else |
|
|
661 | return fcntl (fd, F_GETFD) != -1; |
|
|
662 | #endif |
358 | } |
663 | } |
359 | |
664 | |
360 | /* called on EBADF to verify fds */ |
665 | /* called on EBADF to verify fds */ |
361 | static void |
666 | static void noinline |
362 | fd_ebadf (EV_P) |
667 | fd_ebadf (EV_P) |
363 | { |
668 | { |
364 | int fd; |
669 | int fd; |
365 | |
670 | |
366 | for (fd = 0; fd < anfdmax; ++fd) |
671 | for (fd = 0; fd < anfdmax; ++fd) |
367 | if (anfds [fd].events) |
672 | if (anfds [fd].events) |
368 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
673 | if (!fd_valid (fd) == -1 && errno == EBADF) |
369 | fd_kill (EV_A_ fd); |
674 | fd_kill (EV_A_ fd); |
370 | } |
675 | } |
371 | |
676 | |
372 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
677 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
373 | static void |
678 | static void noinline |
374 | fd_enomem (EV_P) |
679 | fd_enomem (EV_P) |
375 | { |
680 | { |
376 | int fd; |
681 | int fd; |
377 | |
682 | |
378 | for (fd = anfdmax; fd--; ) |
683 | for (fd = anfdmax; fd--; ) |
… | |
… | |
381 | fd_kill (EV_A_ fd); |
686 | fd_kill (EV_A_ fd); |
382 | return; |
687 | return; |
383 | } |
688 | } |
384 | } |
689 | } |
385 | |
690 | |
386 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
691 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
387 | static void |
692 | static void noinline |
388 | fd_rearm_all (EV_P) |
693 | fd_rearm_all (EV_P) |
389 | { |
694 | { |
390 | int fd; |
695 | int fd; |
391 | |
696 | |
392 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
393 | for (fd = 0; fd < anfdmax; ++fd) |
697 | for (fd = 0; fd < anfdmax; ++fd) |
394 | if (anfds [fd].events) |
698 | if (anfds [fd].events) |
395 | { |
699 | { |
396 | anfds [fd].events = 0; |
700 | anfds [fd].events = 0; |
397 | fd_change (EV_A_ fd); |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
398 | } |
702 | } |
399 | } |
703 | } |
400 | |
704 | |
401 | /*****************************************************************************/ |
705 | /*****************************************************************************/ |
402 | |
706 | |
403 | static void |
707 | void inline_speed |
404 | upheap (WT *heap, int k) |
708 | upheap (WT *heap, int k) |
405 | { |
709 | { |
406 | WT w = heap [k]; |
710 | WT w = heap [k]; |
407 | |
711 | |
408 | while (k && heap [k >> 1]->at > w->at) |
712 | while (k) |
409 | { |
713 | { |
|
|
714 | int p = (k - 1) >> 1; |
|
|
715 | |
|
|
716 | if (heap [p]->at <= w->at) |
|
|
717 | break; |
|
|
718 | |
410 | heap [k] = heap [k >> 1]; |
719 | heap [k] = heap [p]; |
411 | ((W)heap [k])->active = k + 1; |
720 | ((W)heap [k])->active = k + 1; |
412 | k >>= 1; |
721 | k = p; |
413 | } |
722 | } |
414 | |
723 | |
415 | heap [k] = w; |
724 | heap [k] = w; |
416 | ((W)heap [k])->active = k + 1; |
725 | ((W)heap [k])->active = k + 1; |
417 | |
|
|
418 | } |
726 | } |
419 | |
727 | |
420 | static void |
728 | void inline_speed |
421 | downheap (WT *heap, int N, int k) |
729 | downheap (WT *heap, int N, int k) |
422 | { |
730 | { |
423 | WT w = heap [k]; |
731 | WT w = heap [k]; |
424 | |
732 | |
425 | while (k < (N >> 1)) |
733 | for (;;) |
426 | { |
734 | { |
427 | int j = k << 1; |
735 | int c = (k << 1) + 1; |
428 | |
736 | |
429 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
737 | if (c >= N) |
430 | ++j; |
|
|
431 | |
|
|
432 | if (w->at <= heap [j]->at) |
|
|
433 | break; |
738 | break; |
434 | |
739 | |
|
|
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
741 | ? 1 : 0; |
|
|
742 | |
|
|
743 | if (w->at <= heap [c]->at) |
|
|
744 | break; |
|
|
745 | |
435 | heap [k] = heap [j]; |
746 | heap [k] = heap [c]; |
436 | ((W)heap [k])->active = k + 1; |
747 | ((W)heap [k])->active = k + 1; |
|
|
748 | |
437 | k = j; |
749 | k = c; |
438 | } |
750 | } |
439 | |
751 | |
440 | heap [k] = w; |
752 | heap [k] = w; |
441 | ((W)heap [k])->active = k + 1; |
753 | ((W)heap [k])->active = k + 1; |
|
|
754 | } |
|
|
755 | |
|
|
756 | void inline_size |
|
|
757 | adjustheap (WT *heap, int N, int k) |
|
|
758 | { |
|
|
759 | upheap (heap, k); |
|
|
760 | downheap (heap, N, k); |
442 | } |
761 | } |
443 | |
762 | |
444 | /*****************************************************************************/ |
763 | /*****************************************************************************/ |
445 | |
764 | |
446 | typedef struct |
765 | typedef struct |
… | |
… | |
452 | static ANSIG *signals; |
771 | static ANSIG *signals; |
453 | static int signalmax; |
772 | static int signalmax; |
454 | |
773 | |
455 | static int sigpipe [2]; |
774 | static int sigpipe [2]; |
456 | static sig_atomic_t volatile gotsig; |
775 | static sig_atomic_t volatile gotsig; |
457 | static struct ev_io sigev; |
776 | static ev_io sigev; |
458 | |
777 | |
459 | static void |
778 | void inline_size |
460 | signals_init (ANSIG *base, int count) |
779 | signals_init (ANSIG *base, int count) |
461 | { |
780 | { |
462 | while (count--) |
781 | while (count--) |
463 | { |
782 | { |
464 | base->head = 0; |
783 | base->head = 0; |
… | |
… | |
469 | } |
788 | } |
470 | |
789 | |
471 | static void |
790 | static void |
472 | sighandler (int signum) |
791 | sighandler (int signum) |
473 | { |
792 | { |
474 | #if WIN32 |
793 | #if _WIN32 |
475 | signal (signum, sighandler); |
794 | signal (signum, sighandler); |
476 | #endif |
795 | #endif |
477 | |
796 | |
478 | signals [signum - 1].gotsig = 1; |
797 | signals [signum - 1].gotsig = 1; |
479 | |
798 | |
… | |
… | |
484 | write (sigpipe [1], &signum, 1); |
803 | write (sigpipe [1], &signum, 1); |
485 | errno = old_errno; |
804 | errno = old_errno; |
486 | } |
805 | } |
487 | } |
806 | } |
488 | |
807 | |
|
|
808 | void noinline |
|
|
809 | ev_feed_signal_event (EV_P_ int signum) |
|
|
810 | { |
|
|
811 | WL w; |
|
|
812 | |
|
|
813 | #if EV_MULTIPLICITY |
|
|
814 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
815 | #endif |
|
|
816 | |
|
|
817 | --signum; |
|
|
818 | |
|
|
819 | if (signum < 0 || signum >= signalmax) |
|
|
820 | return; |
|
|
821 | |
|
|
822 | signals [signum].gotsig = 0; |
|
|
823 | |
|
|
824 | for (w = signals [signum].head; w; w = w->next) |
|
|
825 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
826 | } |
|
|
827 | |
489 | static void |
828 | static void |
490 | sigcb (EV_P_ struct ev_io *iow, int revents) |
829 | sigcb (EV_P_ ev_io *iow, int revents) |
491 | { |
830 | { |
492 | WL w; |
|
|
493 | int signum; |
831 | int signum; |
494 | |
832 | |
495 | read (sigpipe [0], &revents, 1); |
833 | read (sigpipe [0], &revents, 1); |
496 | gotsig = 0; |
834 | gotsig = 0; |
497 | |
835 | |
498 | for (signum = signalmax; signum--; ) |
836 | for (signum = signalmax; signum--; ) |
499 | if (signals [signum].gotsig) |
837 | if (signals [signum].gotsig) |
500 | { |
838 | ev_feed_signal_event (EV_A_ signum + 1); |
501 | signals [signum].gotsig = 0; |
|
|
502 | |
|
|
503 | for (w = signals [signum].head; w; w = w->next) |
|
|
504 | event (EV_A_ (W)w, EV_SIGNAL); |
|
|
505 | } |
|
|
506 | } |
839 | } |
507 | |
840 | |
508 | static void |
841 | void inline_speed |
|
|
842 | fd_intern (int fd) |
|
|
843 | { |
|
|
844 | #ifdef _WIN32 |
|
|
845 | int arg = 1; |
|
|
846 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
847 | #else |
|
|
848 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
849 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
850 | #endif |
|
|
851 | } |
|
|
852 | |
|
|
853 | static void noinline |
509 | siginit (EV_P) |
854 | siginit (EV_P) |
510 | { |
855 | { |
511 | #ifndef WIN32 |
856 | fd_intern (sigpipe [0]); |
512 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
857 | fd_intern (sigpipe [1]); |
513 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
514 | |
|
|
515 | /* rather than sort out wether we really need nb, set it */ |
|
|
516 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
517 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
518 | #endif |
|
|
519 | |
858 | |
520 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
859 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
521 | ev_io_start (EV_A_ &sigev); |
860 | ev_io_start (EV_A_ &sigev); |
522 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
861 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
523 | } |
862 | } |
524 | |
863 | |
525 | /*****************************************************************************/ |
864 | /*****************************************************************************/ |
526 | |
865 | |
|
|
866 | static WL childs [EV_PID_HASHSIZE]; |
|
|
867 | |
527 | #ifndef WIN32 |
868 | #ifndef _WIN32 |
528 | |
869 | |
529 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
530 | static struct ev_signal childev; |
870 | static ev_signal childev; |
|
|
871 | |
|
|
872 | #ifndef WIFCONTINUED |
|
|
873 | # define WIFCONTINUED(status) 0 |
|
|
874 | #endif |
|
|
875 | |
|
|
876 | void inline_speed |
|
|
877 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
878 | { |
|
|
879 | ev_child *w; |
|
|
880 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
|
|
881 | |
|
|
882 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
883 | { |
|
|
884 | if ((w->pid == pid || !w->pid) |
|
|
885 | && (!traced || (w->flags & 1))) |
|
|
886 | { |
|
|
887 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
|
|
888 | w->rpid = pid; |
|
|
889 | w->rstatus = status; |
|
|
890 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
891 | } |
|
|
892 | } |
|
|
893 | } |
531 | |
894 | |
532 | #ifndef WCONTINUED |
895 | #ifndef WCONTINUED |
533 | # define WCONTINUED 0 |
896 | # define WCONTINUED 0 |
534 | #endif |
897 | #endif |
535 | |
898 | |
536 | static void |
899 | static void |
537 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
|
|
538 | { |
|
|
539 | struct ev_child *w; |
|
|
540 | |
|
|
541 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
|
|
542 | if (w->pid == pid || !w->pid) |
|
|
543 | { |
|
|
544 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
|
|
545 | w->rpid = pid; |
|
|
546 | w->rstatus = status; |
|
|
547 | event (EV_A_ (W)w, EV_CHILD); |
|
|
548 | } |
|
|
549 | } |
|
|
550 | |
|
|
551 | static void |
|
|
552 | childcb (EV_P_ struct ev_signal *sw, int revents) |
900 | childcb (EV_P_ ev_signal *sw, int revents) |
553 | { |
901 | { |
554 | int pid, status; |
902 | int pid, status; |
555 | |
903 | |
|
|
904 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
556 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
905 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
557 | { |
906 | if (!WCONTINUED |
|
|
907 | || errno != EINVAL |
|
|
908 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
909 | return; |
|
|
910 | |
558 | /* make sure we are called again until all childs have been reaped */ |
911 | /* make sure we are called again until all childs have been reaped */ |
|
|
912 | /* we need to do it this way so that the callback gets called before we continue */ |
559 | event (EV_A_ (W)sw, EV_SIGNAL); |
913 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
560 | |
914 | |
561 | child_reap (EV_A_ sw, pid, pid, status); |
915 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
916 | if (EV_PID_HASHSIZE > 1) |
562 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
917 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
563 | } |
|
|
564 | } |
918 | } |
565 | |
919 | |
566 | #endif |
920 | #endif |
567 | |
921 | |
568 | /*****************************************************************************/ |
922 | /*****************************************************************************/ |
569 | |
923 | |
|
|
924 | #if EV_USE_PORT |
|
|
925 | # include "ev_port.c" |
|
|
926 | #endif |
570 | #if EV_USE_KQUEUE |
927 | #if EV_USE_KQUEUE |
571 | # include "ev_kqueue.c" |
928 | # include "ev_kqueue.c" |
572 | #endif |
929 | #endif |
573 | #if EV_USE_EPOLL |
930 | #if EV_USE_EPOLL |
574 | # include "ev_epoll.c" |
931 | # include "ev_epoll.c" |
… | |
… | |
591 | { |
948 | { |
592 | return EV_VERSION_MINOR; |
949 | return EV_VERSION_MINOR; |
593 | } |
950 | } |
594 | |
951 | |
595 | /* return true if we are running with elevated privileges and should ignore env variables */ |
952 | /* return true if we are running with elevated privileges and should ignore env variables */ |
596 | static int |
953 | int inline_size |
597 | enable_secure (void) |
954 | enable_secure (void) |
598 | { |
955 | { |
599 | #ifdef WIN32 |
956 | #ifdef _WIN32 |
600 | return 0; |
957 | return 0; |
601 | #else |
958 | #else |
602 | return getuid () != geteuid () |
959 | return getuid () != geteuid () |
603 | || getgid () != getegid (); |
960 | || getgid () != getegid (); |
604 | #endif |
961 | #endif |
605 | } |
962 | } |
606 | |
963 | |
607 | int |
964 | unsigned int |
608 | ev_method (EV_P) |
965 | ev_supported_backends (void) |
609 | { |
966 | { |
610 | return method; |
967 | unsigned int flags = 0; |
611 | } |
|
|
612 | |
968 | |
613 | static void |
969 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
614 | loop_init (EV_P_ int methods) |
970 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
971 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
972 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
973 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
974 | |
|
|
975 | return flags; |
|
|
976 | } |
|
|
977 | |
|
|
978 | unsigned int |
|
|
979 | ev_recommended_backends (void) |
615 | { |
980 | { |
616 | if (!method) |
981 | unsigned int flags = ev_supported_backends (); |
|
|
982 | |
|
|
983 | #ifndef __NetBSD__ |
|
|
984 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
985 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
986 | flags &= ~EVBACKEND_KQUEUE; |
|
|
987 | #endif |
|
|
988 | #ifdef __APPLE__ |
|
|
989 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
990 | flags &= ~EVBACKEND_POLL; |
|
|
991 | #endif |
|
|
992 | |
|
|
993 | return flags; |
|
|
994 | } |
|
|
995 | |
|
|
996 | unsigned int |
|
|
997 | ev_embeddable_backends (void) |
|
|
998 | { |
|
|
999 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
|
|
1000 | |
|
|
1001 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
1002 | /* please fix it and tell me how to detect the fix */ |
|
|
1003 | flags &= ~EVBACKEND_EPOLL; |
|
|
1004 | |
|
|
1005 | return flags; |
|
|
1006 | } |
|
|
1007 | |
|
|
1008 | unsigned int |
|
|
1009 | ev_backend (EV_P) |
|
|
1010 | { |
|
|
1011 | return backend; |
|
|
1012 | } |
|
|
1013 | |
|
|
1014 | unsigned int |
|
|
1015 | ev_loop_count (EV_P) |
|
|
1016 | { |
|
|
1017 | return loop_count; |
|
|
1018 | } |
|
|
1019 | |
|
|
1020 | void |
|
|
1021 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1022 | { |
|
|
1023 | io_blocktime = interval; |
|
|
1024 | } |
|
|
1025 | |
|
|
1026 | void |
|
|
1027 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1028 | { |
|
|
1029 | timeout_blocktime = interval; |
|
|
1030 | } |
|
|
1031 | |
|
|
1032 | static void noinline |
|
|
1033 | loop_init (EV_P_ unsigned int flags) |
|
|
1034 | { |
|
|
1035 | if (!backend) |
617 | { |
1036 | { |
618 | #if EV_USE_MONOTONIC |
1037 | #if EV_USE_MONOTONIC |
619 | { |
1038 | { |
620 | struct timespec ts; |
1039 | struct timespec ts; |
621 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1040 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
622 | have_monotonic = 1; |
1041 | have_monotonic = 1; |
623 | } |
1042 | } |
624 | #endif |
1043 | #endif |
625 | |
1044 | |
626 | rt_now = ev_time (); |
1045 | ev_rt_now = ev_time (); |
627 | mn_now = get_clock (); |
1046 | mn_now = get_clock (); |
628 | now_floor = mn_now; |
1047 | now_floor = mn_now; |
629 | rtmn_diff = rt_now - mn_now; |
1048 | rtmn_diff = ev_rt_now - mn_now; |
630 | |
1049 | |
631 | if (methods == EVMETHOD_AUTO) |
1050 | io_blocktime = 0.; |
632 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
1051 | timeout_blocktime = 0.; |
|
|
1052 | |
|
|
1053 | /* pid check not overridable via env */ |
|
|
1054 | #ifndef _WIN32 |
|
|
1055 | if (flags & EVFLAG_FORKCHECK) |
|
|
1056 | curpid = getpid (); |
|
|
1057 | #endif |
|
|
1058 | |
|
|
1059 | if (!(flags & EVFLAG_NOENV) |
|
|
1060 | && !enable_secure () |
|
|
1061 | && getenv ("LIBEV_FLAGS")) |
633 | methods = atoi (getenv ("LIBEV_METHODS")); |
1062 | flags = atoi (getenv ("LIBEV_FLAGS")); |
634 | else |
|
|
635 | methods = EVMETHOD_ANY; |
|
|
636 | |
1063 | |
637 | method = 0; |
1064 | if (!(flags & 0x0000ffffUL)) |
|
|
1065 | flags |= ev_recommended_backends (); |
|
|
1066 | |
|
|
1067 | backend = 0; |
|
|
1068 | backend_fd = -1; |
638 | #if EV_USE_WIN32 |
1069 | #if EV_USE_INOTIFY |
639 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
1070 | fs_fd = -2; |
|
|
1071 | #endif |
|
|
1072 | |
|
|
1073 | #if EV_USE_PORT |
|
|
1074 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
640 | #endif |
1075 | #endif |
641 | #if EV_USE_KQUEUE |
1076 | #if EV_USE_KQUEUE |
642 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
1077 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
643 | #endif |
1078 | #endif |
644 | #if EV_USE_EPOLL |
1079 | #if EV_USE_EPOLL |
645 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
1080 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
646 | #endif |
1081 | #endif |
647 | #if EV_USE_POLL |
1082 | #if EV_USE_POLL |
648 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
1083 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
649 | #endif |
1084 | #endif |
650 | #if EV_USE_SELECT |
1085 | #if EV_USE_SELECT |
651 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
1086 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
652 | #endif |
1087 | #endif |
653 | } |
|
|
654 | } |
|
|
655 | |
1088 | |
656 | void |
1089 | ev_init (&sigev, sigcb); |
|
|
1090 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
1091 | } |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | static void noinline |
657 | loop_destroy (EV_P) |
1095 | loop_destroy (EV_P) |
658 | { |
1096 | { |
659 | int i; |
1097 | int i; |
660 | |
1098 | |
661 | #if EV_USE_WIN32 |
1099 | #if EV_USE_INOTIFY |
662 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
1100 | if (fs_fd >= 0) |
|
|
1101 | close (fs_fd); |
|
|
1102 | #endif |
|
|
1103 | |
|
|
1104 | if (backend_fd >= 0) |
|
|
1105 | close (backend_fd); |
|
|
1106 | |
|
|
1107 | #if EV_USE_PORT |
|
|
1108 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
663 | #endif |
1109 | #endif |
664 | #if EV_USE_KQUEUE |
1110 | #if EV_USE_KQUEUE |
665 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
1111 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
666 | #endif |
1112 | #endif |
667 | #if EV_USE_EPOLL |
1113 | #if EV_USE_EPOLL |
668 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
1114 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
669 | #endif |
1115 | #endif |
670 | #if EV_USE_POLL |
1116 | #if EV_USE_POLL |
671 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
1117 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
672 | #endif |
1118 | #endif |
673 | #if EV_USE_SELECT |
1119 | #if EV_USE_SELECT |
674 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
1120 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
675 | #endif |
1121 | #endif |
676 | |
1122 | |
677 | for (i = NUMPRI; i--; ) |
1123 | for (i = NUMPRI; i--; ) |
|
|
1124 | { |
678 | array_free (pending, [i]); |
1125 | array_free (pending, [i]); |
|
|
1126 | #if EV_IDLE_ENABLE |
|
|
1127 | array_free (idle, [i]); |
|
|
1128 | #endif |
|
|
1129 | } |
679 | |
1130 | |
|
|
1131 | ev_free (anfds); anfdmax = 0; |
|
|
1132 | |
|
|
1133 | /* have to use the microsoft-never-gets-it-right macro */ |
680 | array_free (fdchange, ); |
1134 | array_free (fdchange, EMPTY); |
681 | array_free (timer, ); |
1135 | array_free (timer, EMPTY); |
|
|
1136 | #if EV_PERIODIC_ENABLE |
682 | array_free (periodic, ); |
1137 | array_free (periodic, EMPTY); |
683 | array_free (idle, ); |
1138 | #endif |
|
|
1139 | #if EV_FORK_ENABLE |
|
|
1140 | array_free (fork, EMPTY); |
|
|
1141 | #endif |
684 | array_free (prepare, ); |
1142 | array_free (prepare, EMPTY); |
685 | array_free (check, ); |
1143 | array_free (check, EMPTY); |
686 | |
1144 | |
687 | method = 0; |
1145 | backend = 0; |
688 | /*TODO*/ |
|
|
689 | } |
1146 | } |
690 | |
1147 | |
691 | void |
1148 | void inline_size infy_fork (EV_P); |
|
|
1149 | |
|
|
1150 | void inline_size |
692 | loop_fork (EV_P) |
1151 | loop_fork (EV_P) |
693 | { |
1152 | { |
694 | /*TODO*/ |
1153 | #if EV_USE_PORT |
|
|
1154 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
1155 | #endif |
|
|
1156 | #if EV_USE_KQUEUE |
|
|
1157 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
1158 | #endif |
695 | #if EV_USE_EPOLL |
1159 | #if EV_USE_EPOLL |
696 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
1160 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
697 | #endif |
1161 | #endif |
698 | #if EV_USE_KQUEUE |
1162 | #if EV_USE_INOTIFY |
699 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
1163 | infy_fork (EV_A); |
700 | #endif |
1164 | #endif |
|
|
1165 | |
|
|
1166 | if (ev_is_active (&sigev)) |
|
|
1167 | { |
|
|
1168 | /* default loop */ |
|
|
1169 | |
|
|
1170 | ev_ref (EV_A); |
|
|
1171 | ev_io_stop (EV_A_ &sigev); |
|
|
1172 | close (sigpipe [0]); |
|
|
1173 | close (sigpipe [1]); |
|
|
1174 | |
|
|
1175 | while (pipe (sigpipe)) |
|
|
1176 | syserr ("(libev) error creating pipe"); |
|
|
1177 | |
|
|
1178 | siginit (EV_A); |
|
|
1179 | sigcb (EV_A_ &sigev, EV_READ); |
|
|
1180 | } |
|
|
1181 | |
|
|
1182 | postfork = 0; |
701 | } |
1183 | } |
702 | |
1184 | |
703 | #if EV_MULTIPLICITY |
1185 | #if EV_MULTIPLICITY |
704 | struct ev_loop * |
1186 | struct ev_loop * |
705 | ev_loop_new (int methods) |
1187 | ev_loop_new (unsigned int flags) |
706 | { |
1188 | { |
707 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
1189 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
708 | |
1190 | |
|
|
1191 | memset (loop, 0, sizeof (struct ev_loop)); |
|
|
1192 | |
709 | loop_init (EV_A_ methods); |
1193 | loop_init (EV_A_ flags); |
710 | |
1194 | |
711 | if (ev_method (EV_A)) |
1195 | if (ev_backend (EV_A)) |
712 | return loop; |
1196 | return loop; |
713 | |
1197 | |
714 | return 0; |
1198 | return 0; |
715 | } |
1199 | } |
716 | |
1200 | |
717 | void |
1201 | void |
718 | ev_loop_destroy (EV_P) |
1202 | ev_loop_destroy (EV_P) |
719 | { |
1203 | { |
720 | loop_destroy (EV_A); |
1204 | loop_destroy (EV_A); |
721 | free (loop); |
1205 | ev_free (loop); |
722 | } |
1206 | } |
723 | |
1207 | |
724 | void |
1208 | void |
725 | ev_loop_fork (EV_P) |
1209 | ev_loop_fork (EV_P) |
726 | { |
1210 | { |
727 | loop_fork (EV_A); |
1211 | postfork = 1; /* must be in line with ev_default_fork */ |
728 | } |
1212 | } |
729 | |
1213 | |
730 | #endif |
1214 | #endif |
731 | |
1215 | |
732 | #if EV_MULTIPLICITY |
1216 | #if EV_MULTIPLICITY |
733 | struct ev_loop default_loop_struct; |
|
|
734 | static struct ev_loop *default_loop; |
|
|
735 | |
|
|
736 | struct ev_loop * |
1217 | struct ev_loop * |
|
|
1218 | ev_default_loop_init (unsigned int flags) |
737 | #else |
1219 | #else |
738 | static int default_loop; |
|
|
739 | |
|
|
740 | int |
1220 | int |
|
|
1221 | ev_default_loop (unsigned int flags) |
741 | #endif |
1222 | #endif |
742 | ev_default_loop (int methods) |
|
|
743 | { |
1223 | { |
744 | if (sigpipe [0] == sigpipe [1]) |
1224 | if (sigpipe [0] == sigpipe [1]) |
745 | if (pipe (sigpipe)) |
1225 | if (pipe (sigpipe)) |
746 | return 0; |
1226 | return 0; |
747 | |
1227 | |
748 | if (!default_loop) |
1228 | if (!ev_default_loop_ptr) |
749 | { |
1229 | { |
750 | #if EV_MULTIPLICITY |
1230 | #if EV_MULTIPLICITY |
751 | struct ev_loop *loop = default_loop = &default_loop_struct; |
1231 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
752 | #else |
1232 | #else |
753 | default_loop = 1; |
1233 | ev_default_loop_ptr = 1; |
754 | #endif |
1234 | #endif |
755 | |
1235 | |
756 | loop_init (EV_A_ methods); |
1236 | loop_init (EV_A_ flags); |
757 | |
1237 | |
758 | if (ev_method (EV_A)) |
1238 | if (ev_backend (EV_A)) |
759 | { |
1239 | { |
760 | ev_watcher_init (&sigev, sigcb); |
|
|
761 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
762 | siginit (EV_A); |
1240 | siginit (EV_A); |
763 | |
1241 | |
764 | #ifndef WIN32 |
1242 | #ifndef _WIN32 |
765 | ev_signal_init (&childev, childcb, SIGCHLD); |
1243 | ev_signal_init (&childev, childcb, SIGCHLD); |
766 | ev_set_priority (&childev, EV_MAXPRI); |
1244 | ev_set_priority (&childev, EV_MAXPRI); |
767 | ev_signal_start (EV_A_ &childev); |
1245 | ev_signal_start (EV_A_ &childev); |
768 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1246 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
769 | #endif |
1247 | #endif |
770 | } |
1248 | } |
771 | else |
1249 | else |
772 | default_loop = 0; |
1250 | ev_default_loop_ptr = 0; |
773 | } |
1251 | } |
774 | |
1252 | |
775 | return default_loop; |
1253 | return ev_default_loop_ptr; |
776 | } |
1254 | } |
777 | |
1255 | |
778 | void |
1256 | void |
779 | ev_default_destroy (void) |
1257 | ev_default_destroy (void) |
780 | { |
1258 | { |
781 | #if EV_MULTIPLICITY |
1259 | #if EV_MULTIPLICITY |
782 | struct ev_loop *loop = default_loop; |
1260 | struct ev_loop *loop = ev_default_loop_ptr; |
783 | #endif |
1261 | #endif |
784 | |
1262 | |
|
|
1263 | #ifndef _WIN32 |
785 | ev_ref (EV_A); /* child watcher */ |
1264 | ev_ref (EV_A); /* child watcher */ |
786 | ev_signal_stop (EV_A_ &childev); |
1265 | ev_signal_stop (EV_A_ &childev); |
|
|
1266 | #endif |
787 | |
1267 | |
788 | ev_ref (EV_A); /* signal watcher */ |
1268 | ev_ref (EV_A); /* signal watcher */ |
789 | ev_io_stop (EV_A_ &sigev); |
1269 | ev_io_stop (EV_A_ &sigev); |
790 | |
1270 | |
791 | close (sigpipe [0]); sigpipe [0] = 0; |
1271 | close (sigpipe [0]); sigpipe [0] = 0; |
… | |
… | |
796 | |
1276 | |
797 | void |
1277 | void |
798 | ev_default_fork (void) |
1278 | ev_default_fork (void) |
799 | { |
1279 | { |
800 | #if EV_MULTIPLICITY |
1280 | #if EV_MULTIPLICITY |
801 | struct ev_loop *loop = default_loop; |
1281 | struct ev_loop *loop = ev_default_loop_ptr; |
802 | #endif |
1282 | #endif |
803 | |
1283 | |
804 | loop_fork (EV_A); |
1284 | if (backend) |
805 | |
1285 | postfork = 1; /* must be in line with ev_loop_fork */ |
806 | ev_io_stop (EV_A_ &sigev); |
|
|
807 | close (sigpipe [0]); |
|
|
808 | close (sigpipe [1]); |
|
|
809 | pipe (sigpipe); |
|
|
810 | |
|
|
811 | ev_ref (EV_A); /* signal watcher */ |
|
|
812 | siginit (EV_A); |
|
|
813 | } |
1286 | } |
814 | |
1287 | |
815 | /*****************************************************************************/ |
1288 | /*****************************************************************************/ |
816 | |
1289 | |
817 | static void |
1290 | void |
|
|
1291 | ev_invoke (EV_P_ void *w, int revents) |
|
|
1292 | { |
|
|
1293 | EV_CB_INVOKE ((W)w, revents); |
|
|
1294 | } |
|
|
1295 | |
|
|
1296 | void inline_speed |
818 | call_pending (EV_P) |
1297 | call_pending (EV_P) |
819 | { |
1298 | { |
820 | int pri; |
1299 | int pri; |
821 | |
1300 | |
822 | for (pri = NUMPRI; pri--; ) |
1301 | for (pri = NUMPRI; pri--; ) |
823 | while (pendingcnt [pri]) |
1302 | while (pendingcnt [pri]) |
824 | { |
1303 | { |
825 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1304 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
826 | |
1305 | |
827 | if (p->w) |
1306 | if (expect_true (p->w)) |
828 | { |
1307 | { |
|
|
1308 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1309 | |
829 | p->w->pending = 0; |
1310 | p->w->pending = 0; |
830 | p->w->cb (EV_A_ p->w, p->events); |
1311 | EV_CB_INVOKE (p->w, p->events); |
831 | } |
1312 | } |
832 | } |
1313 | } |
833 | } |
1314 | } |
834 | |
1315 | |
835 | static void |
1316 | void inline_size |
836 | timers_reify (EV_P) |
1317 | timers_reify (EV_P) |
837 | { |
1318 | { |
838 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1319 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
839 | { |
1320 | { |
840 | struct ev_timer *w = timers [0]; |
1321 | ev_timer *w = (ev_timer *)timers [0]; |
841 | |
1322 | |
842 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1323 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
843 | |
1324 | |
844 | /* first reschedule or stop timer */ |
1325 | /* first reschedule or stop timer */ |
845 | if (w->repeat) |
1326 | if (w->repeat) |
846 | { |
1327 | { |
847 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1328 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1329 | |
848 | ((WT)w)->at = mn_now + w->repeat; |
1330 | ((WT)w)->at += w->repeat; |
|
|
1331 | if (((WT)w)->at < mn_now) |
|
|
1332 | ((WT)w)->at = mn_now; |
|
|
1333 | |
849 | downheap ((WT *)timers, timercnt, 0); |
1334 | downheap (timers, timercnt, 0); |
850 | } |
1335 | } |
851 | else |
1336 | else |
852 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1337 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
853 | |
1338 | |
854 | event (EV_A_ (W)w, EV_TIMEOUT); |
1339 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
855 | } |
1340 | } |
856 | } |
1341 | } |
857 | |
1342 | |
858 | static void |
1343 | #if EV_PERIODIC_ENABLE |
|
|
1344 | void inline_size |
859 | periodics_reify (EV_P) |
1345 | periodics_reify (EV_P) |
860 | { |
1346 | { |
861 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1347 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
862 | { |
1348 | { |
863 | struct ev_periodic *w = periodics [0]; |
1349 | ev_periodic *w = (ev_periodic *)periodics [0]; |
864 | |
1350 | |
865 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1351 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
866 | |
1352 | |
867 | /* first reschedule or stop timer */ |
1353 | /* first reschedule or stop timer */ |
868 | if (w->interval) |
1354 | if (w->reschedule_cb) |
869 | { |
1355 | { |
|
|
1356 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1357 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1358 | downheap (periodics, periodiccnt, 0); |
|
|
1359 | } |
|
|
1360 | else if (w->interval) |
|
|
1361 | { |
870 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1362 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1363 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
871 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1364 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
872 | downheap ((WT *)periodics, periodiccnt, 0); |
1365 | downheap (periodics, periodiccnt, 0); |
873 | } |
1366 | } |
874 | else |
1367 | else |
875 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1368 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
876 | |
1369 | |
877 | event (EV_A_ (W)w, EV_PERIODIC); |
1370 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
878 | } |
1371 | } |
879 | } |
1372 | } |
880 | |
1373 | |
881 | static void |
1374 | static void noinline |
882 | periodics_reschedule (EV_P) |
1375 | periodics_reschedule (EV_P) |
883 | { |
1376 | { |
884 | int i; |
1377 | int i; |
885 | |
1378 | |
886 | /* adjust periodics after time jump */ |
1379 | /* adjust periodics after time jump */ |
887 | for (i = 0; i < periodiccnt; ++i) |
1380 | for (i = 0; i < periodiccnt; ++i) |
888 | { |
1381 | { |
889 | struct ev_periodic *w = periodics [i]; |
1382 | ev_periodic *w = (ev_periodic *)periodics [i]; |
890 | |
1383 | |
|
|
1384 | if (w->reschedule_cb) |
|
|
1385 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
891 | if (w->interval) |
1386 | else if (w->interval) |
|
|
1387 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1388 | } |
|
|
1389 | |
|
|
1390 | /* now rebuild the heap */ |
|
|
1391 | for (i = periodiccnt >> 1; i--; ) |
|
|
1392 | downheap (periodics, periodiccnt, i); |
|
|
1393 | } |
|
|
1394 | #endif |
|
|
1395 | |
|
|
1396 | #if EV_IDLE_ENABLE |
|
|
1397 | void inline_size |
|
|
1398 | idle_reify (EV_P) |
|
|
1399 | { |
|
|
1400 | if (expect_false (idleall)) |
|
|
1401 | { |
|
|
1402 | int pri; |
|
|
1403 | |
|
|
1404 | for (pri = NUMPRI; pri--; ) |
892 | { |
1405 | { |
893 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1406 | if (pendingcnt [pri]) |
|
|
1407 | break; |
894 | |
1408 | |
895 | if (fabs (diff) >= 1e-4) |
1409 | if (idlecnt [pri]) |
896 | { |
1410 | { |
897 | ev_periodic_stop (EV_A_ w); |
1411 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
898 | ev_periodic_start (EV_A_ w); |
1412 | break; |
899 | |
|
|
900 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
901 | } |
1413 | } |
902 | } |
1414 | } |
903 | } |
1415 | } |
904 | } |
1416 | } |
|
|
1417 | #endif |
905 | |
1418 | |
906 | inline int |
1419 | void inline_speed |
907 | time_update_monotonic (EV_P) |
1420 | time_update (EV_P_ ev_tstamp max_block) |
908 | { |
|
|
909 | mn_now = get_clock (); |
|
|
910 | |
|
|
911 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
|
|
912 | { |
|
|
913 | rt_now = rtmn_diff + mn_now; |
|
|
914 | return 0; |
|
|
915 | } |
|
|
916 | else |
|
|
917 | { |
|
|
918 | now_floor = mn_now; |
|
|
919 | rt_now = ev_time (); |
|
|
920 | return 1; |
|
|
921 | } |
|
|
922 | } |
|
|
923 | |
|
|
924 | static void |
|
|
925 | time_update (EV_P) |
|
|
926 | { |
1421 | { |
927 | int i; |
1422 | int i; |
928 | |
1423 | |
929 | #if EV_USE_MONOTONIC |
1424 | #if EV_USE_MONOTONIC |
930 | if (expect_true (have_monotonic)) |
1425 | if (expect_true (have_monotonic)) |
931 | { |
1426 | { |
932 | if (time_update_monotonic (EV_A)) |
1427 | ev_tstamp odiff = rtmn_diff; |
|
|
1428 | |
|
|
1429 | mn_now = get_clock (); |
|
|
1430 | |
|
|
1431 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1432 | /* interpolate in the meantime */ |
|
|
1433 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
933 | { |
1434 | { |
934 | ev_tstamp odiff = rtmn_diff; |
1435 | ev_rt_now = rtmn_diff + mn_now; |
|
|
1436 | return; |
|
|
1437 | } |
935 | |
1438 | |
|
|
1439 | now_floor = mn_now; |
|
|
1440 | ev_rt_now = ev_time (); |
|
|
1441 | |
936 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1442 | /* loop a few times, before making important decisions. |
|
|
1443 | * on the choice of "4": one iteration isn't enough, |
|
|
1444 | * in case we get preempted during the calls to |
|
|
1445 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1446 | * to succeed in that case, though. and looping a few more times |
|
|
1447 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1448 | * in the unlikely event of having been preempted here. |
|
|
1449 | */ |
|
|
1450 | for (i = 4; --i; ) |
937 | { |
1451 | { |
938 | rtmn_diff = rt_now - mn_now; |
1452 | rtmn_diff = ev_rt_now - mn_now; |
939 | |
1453 | |
940 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1454 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
941 | return; /* all is well */ |
1455 | return; /* all is well */ |
942 | |
1456 | |
943 | rt_now = ev_time (); |
1457 | ev_rt_now = ev_time (); |
944 | mn_now = get_clock (); |
1458 | mn_now = get_clock (); |
945 | now_floor = mn_now; |
1459 | now_floor = mn_now; |
946 | } |
1460 | } |
947 | |
1461 | |
|
|
1462 | # if EV_PERIODIC_ENABLE |
|
|
1463 | periodics_reschedule (EV_A); |
|
|
1464 | # endif |
|
|
1465 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1466 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1467 | } |
|
|
1468 | else |
|
|
1469 | #endif |
|
|
1470 | { |
|
|
1471 | ev_rt_now = ev_time (); |
|
|
1472 | |
|
|
1473 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
|
|
1474 | { |
|
|
1475 | #if EV_PERIODIC_ENABLE |
948 | periodics_reschedule (EV_A); |
1476 | periodics_reschedule (EV_A); |
949 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1477 | #endif |
950 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1478 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1479 | for (i = 0; i < timercnt; ++i) |
|
|
1480 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
951 | } |
1481 | } |
952 | } |
|
|
953 | else |
|
|
954 | #endif |
|
|
955 | { |
|
|
956 | rt_now = ev_time (); |
|
|
957 | |
1482 | |
958 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
|
|
959 | { |
|
|
960 | periodics_reschedule (EV_A); |
|
|
961 | |
|
|
962 | /* adjust timers. this is easy, as the offset is the same for all */ |
|
|
963 | for (i = 0; i < timercnt; ++i) |
|
|
964 | ((WT)timers [i])->at += rt_now - mn_now; |
|
|
965 | } |
|
|
966 | |
|
|
967 | mn_now = rt_now; |
1483 | mn_now = ev_rt_now; |
968 | } |
1484 | } |
969 | } |
1485 | } |
970 | |
1486 | |
971 | void |
1487 | void |
972 | ev_ref (EV_P) |
1488 | ev_ref (EV_P) |
… | |
… | |
983 | static int loop_done; |
1499 | static int loop_done; |
984 | |
1500 | |
985 | void |
1501 | void |
986 | ev_loop (EV_P_ int flags) |
1502 | ev_loop (EV_P_ int flags) |
987 | { |
1503 | { |
988 | double block; |
|
|
989 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1504 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1505 | ? EVUNLOOP_ONE |
|
|
1506 | : EVUNLOOP_CANCEL; |
|
|
1507 | |
|
|
1508 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
990 | |
1509 | |
991 | do |
1510 | do |
992 | { |
1511 | { |
|
|
1512 | #ifndef _WIN32 |
|
|
1513 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1514 | if (expect_false (getpid () != curpid)) |
|
|
1515 | { |
|
|
1516 | curpid = getpid (); |
|
|
1517 | postfork = 1; |
|
|
1518 | } |
|
|
1519 | #endif |
|
|
1520 | |
|
|
1521 | #if EV_FORK_ENABLE |
|
|
1522 | /* we might have forked, so queue fork handlers */ |
|
|
1523 | if (expect_false (postfork)) |
|
|
1524 | if (forkcnt) |
|
|
1525 | { |
|
|
1526 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1527 | call_pending (EV_A); |
|
|
1528 | } |
|
|
1529 | #endif |
|
|
1530 | |
993 | /* queue check watchers (and execute them) */ |
1531 | /* queue prepare watchers (and execute them) */ |
994 | if (expect_false (preparecnt)) |
1532 | if (expect_false (preparecnt)) |
995 | { |
1533 | { |
996 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1534 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
997 | call_pending (EV_A); |
1535 | call_pending (EV_A); |
998 | } |
1536 | } |
999 | |
1537 | |
|
|
1538 | if (expect_false (!activecnt)) |
|
|
1539 | break; |
|
|
1540 | |
|
|
1541 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1542 | if (expect_false (postfork)) |
|
|
1543 | loop_fork (EV_A); |
|
|
1544 | |
1000 | /* update fd-related kernel structures */ |
1545 | /* update fd-related kernel structures */ |
1001 | fd_reify (EV_A); |
1546 | fd_reify (EV_A); |
1002 | |
1547 | |
1003 | /* calculate blocking time */ |
1548 | /* calculate blocking time */ |
|
|
1549 | { |
|
|
1550 | ev_tstamp waittime = 0.; |
|
|
1551 | ev_tstamp sleeptime = 0.; |
1004 | |
1552 | |
1005 | /* we only need this for !monotonic clockor timers, but as we basically |
1553 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1006 | always have timers, we just calculate it always */ |
|
|
1007 | #if EV_USE_MONOTONIC |
|
|
1008 | if (expect_true (have_monotonic)) |
|
|
1009 | time_update_monotonic (EV_A); |
|
|
1010 | else |
|
|
1011 | #endif |
|
|
1012 | { |
1554 | { |
1013 | rt_now = ev_time (); |
1555 | /* update time to cancel out callback processing overhead */ |
1014 | mn_now = rt_now; |
1556 | time_update (EV_A_ 1e100); |
1015 | } |
|
|
1016 | |
1557 | |
1017 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1018 | block = 0.; |
|
|
1019 | else |
|
|
1020 | { |
|
|
1021 | block = MAX_BLOCKTIME; |
1558 | waittime = MAX_BLOCKTIME; |
1022 | |
1559 | |
1023 | if (timercnt) |
1560 | if (timercnt) |
1024 | { |
1561 | { |
1025 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1562 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1026 | if (block > to) block = to; |
1563 | if (waittime > to) waittime = to; |
1027 | } |
1564 | } |
1028 | |
1565 | |
|
|
1566 | #if EV_PERIODIC_ENABLE |
1029 | if (periodiccnt) |
1567 | if (periodiccnt) |
1030 | { |
1568 | { |
1031 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1569 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1032 | if (block > to) block = to; |
1570 | if (waittime > to) waittime = to; |
1033 | } |
1571 | } |
|
|
1572 | #endif |
1034 | |
1573 | |
1035 | if (block < 0.) block = 0.; |
1574 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1575 | waittime = timeout_blocktime; |
|
|
1576 | |
|
|
1577 | sleeptime = waittime - backend_fudge; |
|
|
1578 | |
|
|
1579 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1580 | sleeptime = io_blocktime; |
|
|
1581 | |
|
|
1582 | if (sleeptime) |
|
|
1583 | { |
|
|
1584 | ev_sleep (sleeptime); |
|
|
1585 | waittime -= sleeptime; |
|
|
1586 | } |
1036 | } |
1587 | } |
1037 | |
1588 | |
1038 | method_poll (EV_A_ block); |
1589 | ++loop_count; |
|
|
1590 | backend_poll (EV_A_ waittime); |
1039 | |
1591 | |
1040 | /* update rt_now, do magic */ |
1592 | /* update ev_rt_now, do magic */ |
1041 | time_update (EV_A); |
1593 | time_update (EV_A_ waittime + sleeptime); |
|
|
1594 | } |
1042 | |
1595 | |
1043 | /* queue pending timers and reschedule them */ |
1596 | /* queue pending timers and reschedule them */ |
1044 | timers_reify (EV_A); /* relative timers called last */ |
1597 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1598 | #if EV_PERIODIC_ENABLE |
1045 | periodics_reify (EV_A); /* absolute timers called first */ |
1599 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1600 | #endif |
1046 | |
1601 | |
|
|
1602 | #if EV_IDLE_ENABLE |
1047 | /* queue idle watchers unless io or timers are pending */ |
1603 | /* queue idle watchers unless other events are pending */ |
1048 | if (!pendingcnt) |
1604 | idle_reify (EV_A); |
1049 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1605 | #endif |
1050 | |
1606 | |
1051 | /* queue check watchers, to be executed first */ |
1607 | /* queue check watchers, to be executed first */ |
1052 | if (checkcnt) |
1608 | if (expect_false (checkcnt)) |
1053 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1609 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1054 | |
1610 | |
1055 | call_pending (EV_A); |
1611 | call_pending (EV_A); |
|
|
1612 | |
1056 | } |
1613 | } |
1057 | while (activecnt && !loop_done); |
1614 | while (expect_true (activecnt && !loop_done)); |
1058 | |
1615 | |
1059 | if (loop_done != 2) |
1616 | if (loop_done == EVUNLOOP_ONE) |
1060 | loop_done = 0; |
1617 | loop_done = EVUNLOOP_CANCEL; |
1061 | } |
1618 | } |
1062 | |
1619 | |
1063 | void |
1620 | void |
1064 | ev_unloop (EV_P_ int how) |
1621 | ev_unloop (EV_P_ int how) |
1065 | { |
1622 | { |
1066 | loop_done = how; |
1623 | loop_done = how; |
1067 | } |
1624 | } |
1068 | |
1625 | |
1069 | /*****************************************************************************/ |
1626 | /*****************************************************************************/ |
1070 | |
1627 | |
1071 | inline void |
1628 | void inline_size |
1072 | wlist_add (WL *head, WL elem) |
1629 | wlist_add (WL *head, WL elem) |
1073 | { |
1630 | { |
1074 | elem->next = *head; |
1631 | elem->next = *head; |
1075 | *head = elem; |
1632 | *head = elem; |
1076 | } |
1633 | } |
1077 | |
1634 | |
1078 | inline void |
1635 | void inline_size |
1079 | wlist_del (WL *head, WL elem) |
1636 | wlist_del (WL *head, WL elem) |
1080 | { |
1637 | { |
1081 | while (*head) |
1638 | while (*head) |
1082 | { |
1639 | { |
1083 | if (*head == elem) |
1640 | if (*head == elem) |
… | |
… | |
1088 | |
1645 | |
1089 | head = &(*head)->next; |
1646 | head = &(*head)->next; |
1090 | } |
1647 | } |
1091 | } |
1648 | } |
1092 | |
1649 | |
1093 | inline void |
1650 | void inline_speed |
1094 | ev_clear_pending (EV_P_ W w) |
1651 | clear_pending (EV_P_ W w) |
1095 | { |
1652 | { |
1096 | if (w->pending) |
1653 | if (w->pending) |
1097 | { |
1654 | { |
1098 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1655 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1099 | w->pending = 0; |
1656 | w->pending = 0; |
1100 | } |
1657 | } |
1101 | } |
1658 | } |
1102 | |
1659 | |
1103 | inline void |
1660 | int |
|
|
1661 | ev_clear_pending (EV_P_ void *w) |
|
|
1662 | { |
|
|
1663 | W w_ = (W)w; |
|
|
1664 | int pending = w_->pending; |
|
|
1665 | |
|
|
1666 | if (expect_true (pending)) |
|
|
1667 | { |
|
|
1668 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1669 | w_->pending = 0; |
|
|
1670 | p->w = 0; |
|
|
1671 | return p->events; |
|
|
1672 | } |
|
|
1673 | else |
|
|
1674 | return 0; |
|
|
1675 | } |
|
|
1676 | |
|
|
1677 | void inline_size |
|
|
1678 | pri_adjust (EV_P_ W w) |
|
|
1679 | { |
|
|
1680 | int pri = w->priority; |
|
|
1681 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1682 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1683 | w->priority = pri; |
|
|
1684 | } |
|
|
1685 | |
|
|
1686 | void inline_speed |
1104 | ev_start (EV_P_ W w, int active) |
1687 | ev_start (EV_P_ W w, int active) |
1105 | { |
1688 | { |
1106 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1689 | pri_adjust (EV_A_ w); |
1107 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1108 | |
|
|
1109 | w->active = active; |
1690 | w->active = active; |
1110 | ev_ref (EV_A); |
1691 | ev_ref (EV_A); |
1111 | } |
1692 | } |
1112 | |
1693 | |
1113 | inline void |
1694 | void inline_size |
1114 | ev_stop (EV_P_ W w) |
1695 | ev_stop (EV_P_ W w) |
1115 | { |
1696 | { |
1116 | ev_unref (EV_A); |
1697 | ev_unref (EV_A); |
1117 | w->active = 0; |
1698 | w->active = 0; |
1118 | } |
1699 | } |
1119 | |
1700 | |
1120 | /*****************************************************************************/ |
1701 | /*****************************************************************************/ |
1121 | |
1702 | |
1122 | void |
1703 | void noinline |
1123 | ev_io_start (EV_P_ struct ev_io *w) |
1704 | ev_io_start (EV_P_ ev_io *w) |
1124 | { |
1705 | { |
1125 | int fd = w->fd; |
1706 | int fd = w->fd; |
1126 | |
1707 | |
1127 | if (ev_is_active (w)) |
1708 | if (expect_false (ev_is_active (w))) |
1128 | return; |
1709 | return; |
1129 | |
1710 | |
1130 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1711 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1131 | |
1712 | |
1132 | ev_start (EV_A_ (W)w, 1); |
1713 | ev_start (EV_A_ (W)w, 1); |
1133 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1714 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1134 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1715 | wlist_add (&anfds[fd].head, (WL)w); |
1135 | |
1716 | |
1136 | fd_change (EV_A_ fd); |
1717 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1718 | w->events &= ~EV_IOFDSET; |
1137 | } |
1719 | } |
1138 | |
1720 | |
1139 | void |
1721 | void noinline |
1140 | ev_io_stop (EV_P_ struct ev_io *w) |
1722 | ev_io_stop (EV_P_ ev_io *w) |
1141 | { |
1723 | { |
1142 | ev_clear_pending (EV_A_ (W)w); |
1724 | clear_pending (EV_A_ (W)w); |
1143 | if (!ev_is_active (w)) |
1725 | if (expect_false (!ev_is_active (w))) |
1144 | return; |
1726 | return; |
1145 | |
1727 | |
|
|
1728 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
1729 | |
1146 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1730 | wlist_del (&anfds[w->fd].head, (WL)w); |
1147 | ev_stop (EV_A_ (W)w); |
1731 | ev_stop (EV_A_ (W)w); |
1148 | |
1732 | |
1149 | fd_change (EV_A_ w->fd); |
1733 | fd_change (EV_A_ w->fd, 1); |
1150 | } |
1734 | } |
1151 | |
1735 | |
1152 | void |
1736 | void noinline |
1153 | ev_timer_start (EV_P_ struct ev_timer *w) |
1737 | ev_timer_start (EV_P_ ev_timer *w) |
1154 | { |
1738 | { |
1155 | if (ev_is_active (w)) |
1739 | if (expect_false (ev_is_active (w))) |
1156 | return; |
1740 | return; |
1157 | |
1741 | |
1158 | ((WT)w)->at += mn_now; |
1742 | ((WT)w)->at += mn_now; |
1159 | |
1743 | |
1160 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1744 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1161 | |
1745 | |
1162 | ev_start (EV_A_ (W)w, ++timercnt); |
1746 | ev_start (EV_A_ (W)w, ++timercnt); |
1163 | array_needsize (timers, timermax, timercnt, ); |
1747 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1164 | timers [timercnt - 1] = w; |
1748 | timers [timercnt - 1] = (WT)w; |
1165 | upheap ((WT *)timers, timercnt - 1); |
1749 | upheap (timers, timercnt - 1); |
1166 | |
1750 | |
1167 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1751 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1168 | } |
1752 | } |
1169 | |
1753 | |
1170 | void |
1754 | void noinline |
1171 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1755 | ev_timer_stop (EV_P_ ev_timer *w) |
1172 | { |
1756 | { |
1173 | ev_clear_pending (EV_A_ (W)w); |
1757 | clear_pending (EV_A_ (W)w); |
1174 | if (!ev_is_active (w)) |
1758 | if (expect_false (!ev_is_active (w))) |
1175 | return; |
1759 | return; |
1176 | |
1760 | |
1177 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1761 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1178 | |
1762 | |
1179 | if (((W)w)->active < timercnt--) |
1763 | { |
|
|
1764 | int active = ((W)w)->active; |
|
|
1765 | |
|
|
1766 | if (expect_true (--active < --timercnt)) |
1180 | { |
1767 | { |
1181 | timers [((W)w)->active - 1] = timers [timercnt]; |
1768 | timers [active] = timers [timercnt]; |
1182 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1769 | adjustheap (timers, timercnt, active); |
1183 | } |
1770 | } |
|
|
1771 | } |
1184 | |
1772 | |
1185 | ((WT)w)->at = w->repeat; |
1773 | ((WT)w)->at -= mn_now; |
1186 | |
1774 | |
1187 | ev_stop (EV_A_ (W)w); |
1775 | ev_stop (EV_A_ (W)w); |
1188 | } |
1776 | } |
1189 | |
1777 | |
1190 | void |
1778 | void noinline |
1191 | ev_timer_again (EV_P_ struct ev_timer *w) |
1779 | ev_timer_again (EV_P_ ev_timer *w) |
1192 | { |
1780 | { |
1193 | if (ev_is_active (w)) |
1781 | if (ev_is_active (w)) |
1194 | { |
1782 | { |
1195 | if (w->repeat) |
1783 | if (w->repeat) |
1196 | { |
1784 | { |
1197 | ((WT)w)->at = mn_now + w->repeat; |
1785 | ((WT)w)->at = mn_now + w->repeat; |
1198 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1786 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1199 | } |
1787 | } |
1200 | else |
1788 | else |
1201 | ev_timer_stop (EV_A_ w); |
1789 | ev_timer_stop (EV_A_ w); |
1202 | } |
1790 | } |
1203 | else if (w->repeat) |
1791 | else if (w->repeat) |
|
|
1792 | { |
|
|
1793 | w->at = w->repeat; |
1204 | ev_timer_start (EV_A_ w); |
1794 | ev_timer_start (EV_A_ w); |
|
|
1795 | } |
1205 | } |
1796 | } |
1206 | |
1797 | |
1207 | void |
1798 | #if EV_PERIODIC_ENABLE |
|
|
1799 | void noinline |
1208 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1800 | ev_periodic_start (EV_P_ ev_periodic *w) |
1209 | { |
1801 | { |
1210 | if (ev_is_active (w)) |
1802 | if (expect_false (ev_is_active (w))) |
1211 | return; |
1803 | return; |
1212 | |
1804 | |
|
|
1805 | if (w->reschedule_cb) |
|
|
1806 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1807 | else if (w->interval) |
|
|
1808 | { |
1213 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1809 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1214 | |
|
|
1215 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1810 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1216 | if (w->interval) |
|
|
1217 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1811 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1812 | } |
|
|
1813 | else |
|
|
1814 | ((WT)w)->at = w->offset; |
1218 | |
1815 | |
1219 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1816 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1220 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1817 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1221 | periodics [periodiccnt - 1] = w; |
1818 | periodics [periodiccnt - 1] = (WT)w; |
1222 | upheap ((WT *)periodics, periodiccnt - 1); |
1819 | upheap (periodics, periodiccnt - 1); |
1223 | |
1820 | |
1224 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1821 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1225 | } |
1822 | } |
1226 | |
1823 | |
1227 | void |
1824 | void noinline |
1228 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1825 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1229 | { |
1826 | { |
1230 | ev_clear_pending (EV_A_ (W)w); |
1827 | clear_pending (EV_A_ (W)w); |
1231 | if (!ev_is_active (w)) |
1828 | if (expect_false (!ev_is_active (w))) |
1232 | return; |
1829 | return; |
1233 | |
1830 | |
1234 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1831 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1235 | |
1832 | |
1236 | if (((W)w)->active < periodiccnt--) |
1833 | { |
|
|
1834 | int active = ((W)w)->active; |
|
|
1835 | |
|
|
1836 | if (expect_true (--active < --periodiccnt)) |
1237 | { |
1837 | { |
1238 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1838 | periodics [active] = periodics [periodiccnt]; |
1239 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1839 | adjustheap (periodics, periodiccnt, active); |
1240 | } |
1840 | } |
|
|
1841 | } |
1241 | |
1842 | |
1242 | ev_stop (EV_A_ (W)w); |
1843 | ev_stop (EV_A_ (W)w); |
1243 | } |
1844 | } |
1244 | |
1845 | |
1245 | void |
1846 | void noinline |
1246 | ev_idle_start (EV_P_ struct ev_idle *w) |
1847 | ev_periodic_again (EV_P_ ev_periodic *w) |
1247 | { |
1848 | { |
1248 | if (ev_is_active (w)) |
1849 | /* TODO: use adjustheap and recalculation */ |
1249 | return; |
|
|
1250 | |
|
|
1251 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1252 | array_needsize (idles, idlemax, idlecnt, ); |
|
|
1253 | idles [idlecnt - 1] = w; |
|
|
1254 | } |
|
|
1255 | |
|
|
1256 | void |
|
|
1257 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1258 | { |
|
|
1259 | ev_clear_pending (EV_A_ (W)w); |
|
|
1260 | if (ev_is_active (w)) |
|
|
1261 | return; |
|
|
1262 | |
|
|
1263 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1264 | ev_stop (EV_A_ (W)w); |
1850 | ev_periodic_stop (EV_A_ w); |
|
|
1851 | ev_periodic_start (EV_A_ w); |
1265 | } |
1852 | } |
1266 | |
1853 | #endif |
1267 | void |
|
|
1268 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1269 | { |
|
|
1270 | if (ev_is_active (w)) |
|
|
1271 | return; |
|
|
1272 | |
|
|
1273 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1274 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
1275 | prepares [preparecnt - 1] = w; |
|
|
1276 | } |
|
|
1277 | |
|
|
1278 | void |
|
|
1279 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1280 | { |
|
|
1281 | ev_clear_pending (EV_A_ (W)w); |
|
|
1282 | if (ev_is_active (w)) |
|
|
1283 | return; |
|
|
1284 | |
|
|
1285 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1286 | ev_stop (EV_A_ (W)w); |
|
|
1287 | } |
|
|
1288 | |
|
|
1289 | void |
|
|
1290 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1291 | { |
|
|
1292 | if (ev_is_active (w)) |
|
|
1293 | return; |
|
|
1294 | |
|
|
1295 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1296 | array_needsize (checks, checkmax, checkcnt, ); |
|
|
1297 | checks [checkcnt - 1] = w; |
|
|
1298 | } |
|
|
1299 | |
|
|
1300 | void |
|
|
1301 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1302 | { |
|
|
1303 | ev_clear_pending (EV_A_ (W)w); |
|
|
1304 | if (ev_is_active (w)) |
|
|
1305 | return; |
|
|
1306 | |
|
|
1307 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1308 | ev_stop (EV_A_ (W)w); |
|
|
1309 | } |
|
|
1310 | |
1854 | |
1311 | #ifndef SA_RESTART |
1855 | #ifndef SA_RESTART |
1312 | # define SA_RESTART 0 |
1856 | # define SA_RESTART 0 |
1313 | #endif |
1857 | #endif |
1314 | |
1858 | |
1315 | void |
1859 | void noinline |
1316 | ev_signal_start (EV_P_ struct ev_signal *w) |
1860 | ev_signal_start (EV_P_ ev_signal *w) |
1317 | { |
1861 | { |
1318 | #if EV_MULTIPLICITY |
1862 | #if EV_MULTIPLICITY |
1319 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1863 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1320 | #endif |
1864 | #endif |
1321 | if (ev_is_active (w)) |
1865 | if (expect_false (ev_is_active (w))) |
1322 | return; |
1866 | return; |
1323 | |
1867 | |
1324 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1868 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1325 | |
1869 | |
|
|
1870 | { |
|
|
1871 | #ifndef _WIN32 |
|
|
1872 | sigset_t full, prev; |
|
|
1873 | sigfillset (&full); |
|
|
1874 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1875 | #endif |
|
|
1876 | |
|
|
1877 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1878 | |
|
|
1879 | #ifndef _WIN32 |
|
|
1880 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1881 | #endif |
|
|
1882 | } |
|
|
1883 | |
1326 | ev_start (EV_A_ (W)w, 1); |
1884 | ev_start (EV_A_ (W)w, 1); |
1327 | array_needsize (signals, signalmax, w->signum, signals_init); |
|
|
1328 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1885 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1329 | |
1886 | |
1330 | if (!((WL)w)->next) |
1887 | if (!((WL)w)->next) |
1331 | { |
1888 | { |
1332 | #if WIN32 |
1889 | #if _WIN32 |
1333 | signal (w->signum, sighandler); |
1890 | signal (w->signum, sighandler); |
1334 | #else |
1891 | #else |
1335 | struct sigaction sa; |
1892 | struct sigaction sa; |
1336 | sa.sa_handler = sighandler; |
1893 | sa.sa_handler = sighandler; |
1337 | sigfillset (&sa.sa_mask); |
1894 | sigfillset (&sa.sa_mask); |
… | |
… | |
1339 | sigaction (w->signum, &sa, 0); |
1896 | sigaction (w->signum, &sa, 0); |
1340 | #endif |
1897 | #endif |
1341 | } |
1898 | } |
1342 | } |
1899 | } |
1343 | |
1900 | |
1344 | void |
1901 | void noinline |
1345 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1902 | ev_signal_stop (EV_P_ ev_signal *w) |
1346 | { |
1903 | { |
1347 | ev_clear_pending (EV_A_ (W)w); |
1904 | clear_pending (EV_A_ (W)w); |
1348 | if (!ev_is_active (w)) |
1905 | if (expect_false (!ev_is_active (w))) |
1349 | return; |
1906 | return; |
1350 | |
1907 | |
1351 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1908 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1352 | ev_stop (EV_A_ (W)w); |
1909 | ev_stop (EV_A_ (W)w); |
1353 | |
1910 | |
1354 | if (!signals [w->signum - 1].head) |
1911 | if (!signals [w->signum - 1].head) |
1355 | signal (w->signum, SIG_DFL); |
1912 | signal (w->signum, SIG_DFL); |
1356 | } |
1913 | } |
1357 | |
1914 | |
1358 | void |
1915 | void |
1359 | ev_child_start (EV_P_ struct ev_child *w) |
1916 | ev_child_start (EV_P_ ev_child *w) |
1360 | { |
1917 | { |
1361 | #if EV_MULTIPLICITY |
1918 | #if EV_MULTIPLICITY |
1362 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1919 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1363 | #endif |
1920 | #endif |
1364 | if (ev_is_active (w)) |
1921 | if (expect_false (ev_is_active (w))) |
1365 | return; |
1922 | return; |
1366 | |
1923 | |
1367 | ev_start (EV_A_ (W)w, 1); |
1924 | ev_start (EV_A_ (W)w, 1); |
1368 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1925 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1369 | } |
1926 | } |
1370 | |
1927 | |
1371 | void |
1928 | void |
1372 | ev_child_stop (EV_P_ struct ev_child *w) |
1929 | ev_child_stop (EV_P_ ev_child *w) |
1373 | { |
1930 | { |
1374 | ev_clear_pending (EV_A_ (W)w); |
1931 | clear_pending (EV_A_ (W)w); |
1375 | if (ev_is_active (w)) |
1932 | if (expect_false (!ev_is_active (w))) |
1376 | return; |
1933 | return; |
1377 | |
1934 | |
1378 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1935 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1379 | ev_stop (EV_A_ (W)w); |
1936 | ev_stop (EV_A_ (W)w); |
1380 | } |
1937 | } |
1381 | |
1938 | |
|
|
1939 | #if EV_STAT_ENABLE |
|
|
1940 | |
|
|
1941 | # ifdef _WIN32 |
|
|
1942 | # undef lstat |
|
|
1943 | # define lstat(a,b) _stati64 (a,b) |
|
|
1944 | # endif |
|
|
1945 | |
|
|
1946 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1947 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1948 | |
|
|
1949 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1950 | |
|
|
1951 | #if EV_USE_INOTIFY |
|
|
1952 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1953 | |
|
|
1954 | static void noinline |
|
|
1955 | infy_add (EV_P_ ev_stat *w) |
|
|
1956 | { |
|
|
1957 | 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); |
|
|
1958 | |
|
|
1959 | if (w->wd < 0) |
|
|
1960 | { |
|
|
1961 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1962 | |
|
|
1963 | /* monitor some parent directory for speedup hints */ |
|
|
1964 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1965 | { |
|
|
1966 | char path [4096]; |
|
|
1967 | strcpy (path, w->path); |
|
|
1968 | |
|
|
1969 | do |
|
|
1970 | { |
|
|
1971 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1972 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1973 | |
|
|
1974 | char *pend = strrchr (path, '/'); |
|
|
1975 | |
|
|
1976 | if (!pend) |
|
|
1977 | break; /* whoops, no '/', complain to your admin */ |
|
|
1978 | |
|
|
1979 | *pend = 0; |
|
|
1980 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1981 | } |
|
|
1982 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1983 | } |
|
|
1984 | } |
|
|
1985 | else |
|
|
1986 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1987 | |
|
|
1988 | if (w->wd >= 0) |
|
|
1989 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1990 | } |
|
|
1991 | |
|
|
1992 | static void noinline |
|
|
1993 | infy_del (EV_P_ ev_stat *w) |
|
|
1994 | { |
|
|
1995 | int slot; |
|
|
1996 | int wd = w->wd; |
|
|
1997 | |
|
|
1998 | if (wd < 0) |
|
|
1999 | return; |
|
|
2000 | |
|
|
2001 | w->wd = -2; |
|
|
2002 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
2003 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
2004 | |
|
|
2005 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
2006 | inotify_rm_watch (fs_fd, wd); |
|
|
2007 | } |
|
|
2008 | |
|
|
2009 | static void noinline |
|
|
2010 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
2011 | { |
|
|
2012 | if (slot < 0) |
|
|
2013 | /* overflow, need to check for all hahs slots */ |
|
|
2014 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
2015 | infy_wd (EV_A_ slot, wd, ev); |
|
|
2016 | else |
|
|
2017 | { |
|
|
2018 | WL w_; |
|
|
2019 | |
|
|
2020 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
2021 | { |
|
|
2022 | ev_stat *w = (ev_stat *)w_; |
|
|
2023 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
2024 | |
|
|
2025 | if (w->wd == wd || wd == -1) |
|
|
2026 | { |
|
|
2027 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
2028 | { |
|
|
2029 | w->wd = -1; |
|
|
2030 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
2031 | } |
|
|
2032 | |
|
|
2033 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
2034 | } |
|
|
2035 | } |
|
|
2036 | } |
|
|
2037 | } |
|
|
2038 | |
|
|
2039 | static void |
|
|
2040 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
2041 | { |
|
|
2042 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
2043 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2044 | int ofs; |
|
|
2045 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
2046 | |
|
|
2047 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
2048 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
2049 | } |
|
|
2050 | |
|
|
2051 | void inline_size |
|
|
2052 | infy_init (EV_P) |
|
|
2053 | { |
|
|
2054 | if (fs_fd != -2) |
|
|
2055 | return; |
|
|
2056 | |
|
|
2057 | fs_fd = inotify_init (); |
|
|
2058 | |
|
|
2059 | if (fs_fd >= 0) |
|
|
2060 | { |
|
|
2061 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
2062 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
2063 | ev_io_start (EV_A_ &fs_w); |
|
|
2064 | } |
|
|
2065 | } |
|
|
2066 | |
|
|
2067 | void inline_size |
|
|
2068 | infy_fork (EV_P) |
|
|
2069 | { |
|
|
2070 | int slot; |
|
|
2071 | |
|
|
2072 | if (fs_fd < 0) |
|
|
2073 | return; |
|
|
2074 | |
|
|
2075 | close (fs_fd); |
|
|
2076 | fs_fd = inotify_init (); |
|
|
2077 | |
|
|
2078 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
2079 | { |
|
|
2080 | WL w_ = fs_hash [slot].head; |
|
|
2081 | fs_hash [slot].head = 0; |
|
|
2082 | |
|
|
2083 | while (w_) |
|
|
2084 | { |
|
|
2085 | ev_stat *w = (ev_stat *)w_; |
|
|
2086 | w_ = w_->next; /* lets us add this watcher */ |
|
|
2087 | |
|
|
2088 | w->wd = -1; |
|
|
2089 | |
|
|
2090 | if (fs_fd >= 0) |
|
|
2091 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
2092 | else |
|
|
2093 | ev_timer_start (EV_A_ &w->timer); |
|
|
2094 | } |
|
|
2095 | |
|
|
2096 | } |
|
|
2097 | } |
|
|
2098 | |
|
|
2099 | #endif |
|
|
2100 | |
|
|
2101 | void |
|
|
2102 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
2103 | { |
|
|
2104 | if (lstat (w->path, &w->attr) < 0) |
|
|
2105 | w->attr.st_nlink = 0; |
|
|
2106 | else if (!w->attr.st_nlink) |
|
|
2107 | w->attr.st_nlink = 1; |
|
|
2108 | } |
|
|
2109 | |
|
|
2110 | static void noinline |
|
|
2111 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
2112 | { |
|
|
2113 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
2114 | |
|
|
2115 | /* we copy this here each the time so that */ |
|
|
2116 | /* prev has the old value when the callback gets invoked */ |
|
|
2117 | w->prev = w->attr; |
|
|
2118 | ev_stat_stat (EV_A_ w); |
|
|
2119 | |
|
|
2120 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2121 | if ( |
|
|
2122 | w->prev.st_dev != w->attr.st_dev |
|
|
2123 | || w->prev.st_ino != w->attr.st_ino |
|
|
2124 | || w->prev.st_mode != w->attr.st_mode |
|
|
2125 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2126 | || w->prev.st_uid != w->attr.st_uid |
|
|
2127 | || w->prev.st_gid != w->attr.st_gid |
|
|
2128 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2129 | || w->prev.st_size != w->attr.st_size |
|
|
2130 | || w->prev.st_atime != w->attr.st_atime |
|
|
2131 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2132 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2133 | ) { |
|
|
2134 | #if EV_USE_INOTIFY |
|
|
2135 | infy_del (EV_A_ w); |
|
|
2136 | infy_add (EV_A_ w); |
|
|
2137 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2138 | #endif |
|
|
2139 | |
|
|
2140 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2141 | } |
|
|
2142 | } |
|
|
2143 | |
|
|
2144 | void |
|
|
2145 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
2146 | { |
|
|
2147 | if (expect_false (ev_is_active (w))) |
|
|
2148 | return; |
|
|
2149 | |
|
|
2150 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2151 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2152 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2153 | |
|
|
2154 | ev_stat_stat (EV_A_ w); |
|
|
2155 | |
|
|
2156 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
2157 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2158 | |
|
|
2159 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
2160 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2161 | |
|
|
2162 | #if EV_USE_INOTIFY |
|
|
2163 | infy_init (EV_A); |
|
|
2164 | |
|
|
2165 | if (fs_fd >= 0) |
|
|
2166 | infy_add (EV_A_ w); |
|
|
2167 | else |
|
|
2168 | #endif |
|
|
2169 | ev_timer_start (EV_A_ &w->timer); |
|
|
2170 | |
|
|
2171 | ev_start (EV_A_ (W)w, 1); |
|
|
2172 | } |
|
|
2173 | |
|
|
2174 | void |
|
|
2175 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
2176 | { |
|
|
2177 | clear_pending (EV_A_ (W)w); |
|
|
2178 | if (expect_false (!ev_is_active (w))) |
|
|
2179 | return; |
|
|
2180 | |
|
|
2181 | #if EV_USE_INOTIFY |
|
|
2182 | infy_del (EV_A_ w); |
|
|
2183 | #endif |
|
|
2184 | ev_timer_stop (EV_A_ &w->timer); |
|
|
2185 | |
|
|
2186 | ev_stop (EV_A_ (W)w); |
|
|
2187 | } |
|
|
2188 | #endif |
|
|
2189 | |
|
|
2190 | #if EV_IDLE_ENABLE |
|
|
2191 | void |
|
|
2192 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
2193 | { |
|
|
2194 | if (expect_false (ev_is_active (w))) |
|
|
2195 | return; |
|
|
2196 | |
|
|
2197 | pri_adjust (EV_A_ (W)w); |
|
|
2198 | |
|
|
2199 | { |
|
|
2200 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2201 | |
|
|
2202 | ++idleall; |
|
|
2203 | ev_start (EV_A_ (W)w, active); |
|
|
2204 | |
|
|
2205 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
|
|
2206 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2207 | } |
|
|
2208 | } |
|
|
2209 | |
|
|
2210 | void |
|
|
2211 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2212 | { |
|
|
2213 | clear_pending (EV_A_ (W)w); |
|
|
2214 | if (expect_false (!ev_is_active (w))) |
|
|
2215 | return; |
|
|
2216 | |
|
|
2217 | { |
|
|
2218 | int active = ((W)w)->active; |
|
|
2219 | |
|
|
2220 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2221 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2222 | |
|
|
2223 | ev_stop (EV_A_ (W)w); |
|
|
2224 | --idleall; |
|
|
2225 | } |
|
|
2226 | } |
|
|
2227 | #endif |
|
|
2228 | |
|
|
2229 | void |
|
|
2230 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2231 | { |
|
|
2232 | if (expect_false (ev_is_active (w))) |
|
|
2233 | return; |
|
|
2234 | |
|
|
2235 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2236 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2237 | prepares [preparecnt - 1] = w; |
|
|
2238 | } |
|
|
2239 | |
|
|
2240 | void |
|
|
2241 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2242 | { |
|
|
2243 | clear_pending (EV_A_ (W)w); |
|
|
2244 | if (expect_false (!ev_is_active (w))) |
|
|
2245 | return; |
|
|
2246 | |
|
|
2247 | { |
|
|
2248 | int active = ((W)w)->active; |
|
|
2249 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2250 | ((W)prepares [active - 1])->active = active; |
|
|
2251 | } |
|
|
2252 | |
|
|
2253 | ev_stop (EV_A_ (W)w); |
|
|
2254 | } |
|
|
2255 | |
|
|
2256 | void |
|
|
2257 | ev_check_start (EV_P_ ev_check *w) |
|
|
2258 | { |
|
|
2259 | if (expect_false (ev_is_active (w))) |
|
|
2260 | return; |
|
|
2261 | |
|
|
2262 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2263 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2264 | checks [checkcnt - 1] = w; |
|
|
2265 | } |
|
|
2266 | |
|
|
2267 | void |
|
|
2268 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2269 | { |
|
|
2270 | clear_pending (EV_A_ (W)w); |
|
|
2271 | if (expect_false (!ev_is_active (w))) |
|
|
2272 | return; |
|
|
2273 | |
|
|
2274 | { |
|
|
2275 | int active = ((W)w)->active; |
|
|
2276 | checks [active - 1] = checks [--checkcnt]; |
|
|
2277 | ((W)checks [active - 1])->active = active; |
|
|
2278 | } |
|
|
2279 | |
|
|
2280 | ev_stop (EV_A_ (W)w); |
|
|
2281 | } |
|
|
2282 | |
|
|
2283 | #if EV_EMBED_ENABLE |
|
|
2284 | void noinline |
|
|
2285 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
2286 | { |
|
|
2287 | ev_loop (w->other, EVLOOP_NONBLOCK); |
|
|
2288 | } |
|
|
2289 | |
|
|
2290 | static void |
|
|
2291 | embed_io_cb (EV_P_ ev_io *io, int revents) |
|
|
2292 | { |
|
|
2293 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
2294 | |
|
|
2295 | if (ev_cb (w)) |
|
|
2296 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
2297 | else |
|
|
2298 | ev_loop (w->other, EVLOOP_NONBLOCK); |
|
|
2299 | } |
|
|
2300 | |
|
|
2301 | static void |
|
|
2302 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2303 | { |
|
|
2304 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2305 | |
|
|
2306 | { |
|
|
2307 | struct ev_loop *loop = w->other; |
|
|
2308 | |
|
|
2309 | while (fdchangecnt) |
|
|
2310 | { |
|
|
2311 | fd_reify (EV_A); |
|
|
2312 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2313 | } |
|
|
2314 | } |
|
|
2315 | } |
|
|
2316 | |
|
|
2317 | #if 0 |
|
|
2318 | static void |
|
|
2319 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2320 | { |
|
|
2321 | ev_idle_stop (EV_A_ idle); |
|
|
2322 | } |
|
|
2323 | #endif |
|
|
2324 | |
|
|
2325 | void |
|
|
2326 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
2327 | { |
|
|
2328 | if (expect_false (ev_is_active (w))) |
|
|
2329 | return; |
|
|
2330 | |
|
|
2331 | { |
|
|
2332 | struct ev_loop *loop = w->other; |
|
|
2333 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
2334 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
|
|
2335 | } |
|
|
2336 | |
|
|
2337 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
2338 | ev_io_start (EV_A_ &w->io); |
|
|
2339 | |
|
|
2340 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2341 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2342 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2343 | |
|
|
2344 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2345 | |
|
|
2346 | ev_start (EV_A_ (W)w, 1); |
|
|
2347 | } |
|
|
2348 | |
|
|
2349 | void |
|
|
2350 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
2351 | { |
|
|
2352 | clear_pending (EV_A_ (W)w); |
|
|
2353 | if (expect_false (!ev_is_active (w))) |
|
|
2354 | return; |
|
|
2355 | |
|
|
2356 | ev_io_stop (EV_A_ &w->io); |
|
|
2357 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2358 | |
|
|
2359 | ev_stop (EV_A_ (W)w); |
|
|
2360 | } |
|
|
2361 | #endif |
|
|
2362 | |
|
|
2363 | #if EV_FORK_ENABLE |
|
|
2364 | void |
|
|
2365 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2366 | { |
|
|
2367 | if (expect_false (ev_is_active (w))) |
|
|
2368 | return; |
|
|
2369 | |
|
|
2370 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2371 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2372 | forks [forkcnt - 1] = w; |
|
|
2373 | } |
|
|
2374 | |
|
|
2375 | void |
|
|
2376 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2377 | { |
|
|
2378 | clear_pending (EV_A_ (W)w); |
|
|
2379 | if (expect_false (!ev_is_active (w))) |
|
|
2380 | return; |
|
|
2381 | |
|
|
2382 | { |
|
|
2383 | int active = ((W)w)->active; |
|
|
2384 | forks [active - 1] = forks [--forkcnt]; |
|
|
2385 | ((W)forks [active - 1])->active = active; |
|
|
2386 | } |
|
|
2387 | |
|
|
2388 | ev_stop (EV_A_ (W)w); |
|
|
2389 | } |
|
|
2390 | #endif |
|
|
2391 | |
1382 | /*****************************************************************************/ |
2392 | /*****************************************************************************/ |
1383 | |
2393 | |
1384 | struct ev_once |
2394 | struct ev_once |
1385 | { |
2395 | { |
1386 | struct ev_io io; |
2396 | ev_io io; |
1387 | struct ev_timer to; |
2397 | ev_timer to; |
1388 | void (*cb)(int revents, void *arg); |
2398 | void (*cb)(int revents, void *arg); |
1389 | void *arg; |
2399 | void *arg; |
1390 | }; |
2400 | }; |
1391 | |
2401 | |
1392 | static void |
2402 | static void |
… | |
… | |
1395 | void (*cb)(int revents, void *arg) = once->cb; |
2405 | void (*cb)(int revents, void *arg) = once->cb; |
1396 | void *arg = once->arg; |
2406 | void *arg = once->arg; |
1397 | |
2407 | |
1398 | ev_io_stop (EV_A_ &once->io); |
2408 | ev_io_stop (EV_A_ &once->io); |
1399 | ev_timer_stop (EV_A_ &once->to); |
2409 | ev_timer_stop (EV_A_ &once->to); |
1400 | free (once); |
2410 | ev_free (once); |
1401 | |
2411 | |
1402 | cb (revents, arg); |
2412 | cb (revents, arg); |
1403 | } |
2413 | } |
1404 | |
2414 | |
1405 | static void |
2415 | static void |
1406 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2416 | once_cb_io (EV_P_ ev_io *w, int revents) |
1407 | { |
2417 | { |
1408 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2418 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1409 | } |
2419 | } |
1410 | |
2420 | |
1411 | static void |
2421 | static void |
1412 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2422 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1413 | { |
2423 | { |
1414 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2424 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1415 | } |
2425 | } |
1416 | |
2426 | |
1417 | void |
2427 | void |
1418 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2428 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1419 | { |
2429 | { |
1420 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
2430 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1421 | |
2431 | |
1422 | if (!once) |
2432 | if (expect_false (!once)) |
|
|
2433 | { |
1423 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
2434 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1424 | else |
2435 | return; |
1425 | { |
2436 | } |
|
|
2437 | |
1426 | once->cb = cb; |
2438 | once->cb = cb; |
1427 | once->arg = arg; |
2439 | once->arg = arg; |
1428 | |
2440 | |
1429 | ev_watcher_init (&once->io, once_cb_io); |
2441 | ev_init (&once->io, once_cb_io); |
1430 | if (fd >= 0) |
2442 | if (fd >= 0) |
1431 | { |
2443 | { |
1432 | ev_io_set (&once->io, fd, events); |
2444 | ev_io_set (&once->io, fd, events); |
1433 | ev_io_start (EV_A_ &once->io); |
2445 | ev_io_start (EV_A_ &once->io); |
1434 | } |
2446 | } |
1435 | |
2447 | |
1436 | ev_watcher_init (&once->to, once_cb_to); |
2448 | ev_init (&once->to, once_cb_to); |
1437 | if (timeout >= 0.) |
2449 | if (timeout >= 0.) |
1438 | { |
2450 | { |
1439 | ev_timer_set (&once->to, timeout, 0.); |
2451 | ev_timer_set (&once->to, timeout, 0.); |
1440 | ev_timer_start (EV_A_ &once->to); |
2452 | ev_timer_start (EV_A_ &once->to); |
1441 | } |
|
|
1442 | } |
2453 | } |
1443 | } |
2454 | } |
1444 | |
2455 | |
|
|
2456 | #if EV_MULTIPLICITY |
|
|
2457 | #include "ev_wrap.h" |
|
|
2458 | #endif |
|
|
2459 | |
|
|
2460 | #ifdef __cplusplus |
|
|
2461 | } |
|
|
2462 | #endif |
|
|
2463 | |