1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008 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 | */ |
31 | |
39 | |
32 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
33 | extern "C" { |
41 | extern "C" { |
34 | #endif |
42 | #endif |
35 | |
43 | |
36 | #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 |
37 | # include "config.h" |
48 | # include "config.h" |
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49 | # endif |
38 | |
50 | |
39 | # if HAVE_CLOCK_GETTIME |
51 | # if HAVE_CLOCK_GETTIME |
40 | # ifndef EV_USE_MONOTONIC |
52 | # ifndef EV_USE_MONOTONIC |
41 | # define EV_USE_MONOTONIC 1 |
53 | # define EV_USE_MONOTONIC 1 |
42 | # endif |
54 | # endif |
… | |
… | |
47 | # ifndef EV_USE_MONOTONIC |
59 | # ifndef EV_USE_MONOTONIC |
48 | # define EV_USE_MONOTONIC 0 |
60 | # define EV_USE_MONOTONIC 0 |
49 | # endif |
61 | # endif |
50 | # ifndef EV_USE_REALTIME |
62 | # ifndef EV_USE_REALTIME |
51 | # define EV_USE_REALTIME 0 |
63 | # define EV_USE_REALTIME 0 |
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64 | # endif |
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65 | # endif |
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66 | |
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67 | # ifndef EV_USE_NANOSLEEP |
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68 | # if HAVE_NANOSLEEP |
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69 | # define EV_USE_NANOSLEEP 1 |
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70 | # else |
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71 | # define EV_USE_NANOSLEEP 0 |
52 | # endif |
72 | # endif |
53 | # endif |
73 | # endif |
54 | |
74 | |
55 | # ifndef EV_USE_SELECT |
75 | # ifndef EV_USE_SELECT |
56 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
76 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
90 | # else |
110 | # else |
91 | # define EV_USE_PORT 0 |
111 | # define EV_USE_PORT 0 |
92 | # endif |
112 | # endif |
93 | # endif |
113 | # endif |
94 | |
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 |
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121 | # endif |
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122 | |
95 | #endif |
123 | #endif |
96 | |
124 | |
97 | #include <math.h> |
125 | #include <math.h> |
98 | #include <stdlib.h> |
126 | #include <stdlib.h> |
99 | #include <fcntl.h> |
127 | #include <fcntl.h> |
… | |
… | |
106 | #include <sys/types.h> |
134 | #include <sys/types.h> |
107 | #include <time.h> |
135 | #include <time.h> |
108 | |
136 | |
109 | #include <signal.h> |
137 | #include <signal.h> |
110 | |
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 | |
111 | #ifndef _WIN32 |
145 | #ifndef _WIN32 |
112 | # include <unistd.h> |
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113 | # include <sys/time.h> |
146 | # include <sys/time.h> |
114 | # include <sys/wait.h> |
147 | # include <sys/wait.h> |
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148 | # include <unistd.h> |
115 | #else |
149 | #else |
116 | # define WIN32_LEAN_AND_MEAN |
150 | # define WIN32_LEAN_AND_MEAN |
117 | # include <windows.h> |
151 | # include <windows.h> |
118 | # ifndef EV_SELECT_IS_WINSOCKET |
152 | # ifndef EV_SELECT_IS_WINSOCKET |
119 | # define EV_SELECT_IS_WINSOCKET 1 |
153 | # define EV_SELECT_IS_WINSOCKET 1 |
… | |
… | |
128 | |
162 | |
129 | #ifndef EV_USE_REALTIME |
163 | #ifndef EV_USE_REALTIME |
130 | # define EV_USE_REALTIME 0 |
164 | # define EV_USE_REALTIME 0 |
131 | #endif |
165 | #endif |
132 | |
166 | |
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167 | #ifndef EV_USE_NANOSLEEP |
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168 | # define EV_USE_NANOSLEEP 0 |
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169 | #endif |
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170 | |
133 | #ifndef EV_USE_SELECT |
171 | #ifndef EV_USE_SELECT |
134 | # define EV_USE_SELECT 1 |
172 | # define EV_USE_SELECT 1 |
135 | #endif |
173 | #endif |
136 | |
174 | |
137 | #ifndef EV_USE_POLL |
175 | #ifndef EV_USE_POLL |
… | |
… | |
152 | |
190 | |
153 | #ifndef EV_USE_PORT |
191 | #ifndef EV_USE_PORT |
154 | # define EV_USE_PORT 0 |
192 | # define EV_USE_PORT 0 |
155 | #endif |
193 | #endif |
156 | |
194 | |
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195 | #ifndef EV_USE_INOTIFY |
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196 | # define EV_USE_INOTIFY 0 |
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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 |
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202 | # else |
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203 | # define EV_PID_HASHSIZE 16 |
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204 | # endif |
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205 | #endif |
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206 | |
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207 | #ifndef EV_INOTIFY_HASHSIZE |
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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 |
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213 | #endif |
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214 | |
157 | /**/ |
215 | /**/ |
158 | |
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159 | /* darwin simply cannot be helped */ |
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160 | #ifdef __APPLE__ |
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161 | # undef EV_USE_POLL |
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162 | # undef EV_USE_KQUEUE |
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163 | #endif |
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164 | |
216 | |
165 | #ifndef CLOCK_MONOTONIC |
217 | #ifndef CLOCK_MONOTONIC |
166 | # undef EV_USE_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
167 | # define EV_USE_MONOTONIC 0 |
219 | # define EV_USE_MONOTONIC 0 |
168 | #endif |
220 | #endif |
… | |
… | |
170 | #ifndef CLOCK_REALTIME |
222 | #ifndef CLOCK_REALTIME |
171 | # undef EV_USE_REALTIME |
223 | # undef EV_USE_REALTIME |
172 | # define EV_USE_REALTIME 0 |
224 | # define EV_USE_REALTIME 0 |
173 | #endif |
225 | #endif |
174 | |
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 | |
175 | #if EV_SELECT_IS_WINSOCKET |
242 | #if EV_SELECT_IS_WINSOCKET |
176 | # include <winsock.h> |
243 | # include <winsock.h> |
177 | #endif |
244 | #endif |
178 | |
245 | |
179 | /**/ |
246 | /**/ |
180 | |
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 | |
181 | #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) */ |
182 | #define MAX_BLOCKTIME 59.743 /* 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) */ |
183 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
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184 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* 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 */ |
185 | |
261 | |
186 | #ifdef EV_H |
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187 | # include EV_H |
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188 | #else |
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189 | # include "ev.h" |
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190 | #endif |
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191 | |
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192 | #if __GNUC__ >= 3 |
262 | #if __GNUC__ >= 4 |
193 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
194 | # define inline static inline |
264 | # define noinline __attribute__ ((noinline)) |
195 | #else |
265 | #else |
196 | # define expect(expr,value) (expr) |
266 | # define expect(expr,value) (expr) |
197 | # 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 |
198 | #endif |
271 | #endif |
199 | |
272 | |
200 | #define expect_false(expr) expect ((expr) != 0, 0) |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
201 | #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 |
202 | |
282 | |
203 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
283 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
204 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
284 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
205 | |
285 | |
206 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
286 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
207 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
287 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
208 | |
288 | |
209 | typedef struct ev_watcher *W; |
289 | typedef ev_watcher *W; |
210 | typedef struct ev_watcher_list *WL; |
290 | typedef ev_watcher_list *WL; |
211 | typedef struct ev_watcher_time *WT; |
291 | typedef ev_watcher_time *WT; |
212 | |
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 */ |
213 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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297 | #endif |
214 | |
298 | |
215 | #ifdef _WIN32 |
299 | #ifdef _WIN32 |
216 | # include "ev_win32.c" |
300 | # include "ev_win32.c" |
217 | #endif |
301 | #endif |
218 | |
302 | |
219 | /*****************************************************************************/ |
303 | /*****************************************************************************/ |
220 | |
304 | |
221 | static void (*syserr_cb)(const char *msg); |
305 | static void (*syserr_cb)(const char *msg); |
222 | |
306 | |
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307 | void |
223 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
308 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
224 | { |
309 | { |
225 | syserr_cb = cb; |
310 | syserr_cb = cb; |
226 | } |
311 | } |
227 | |
312 | |
228 | static void |
313 | static void noinline |
229 | syserr (const char *msg) |
314 | syserr (const char *msg) |
230 | { |
315 | { |
231 | if (!msg) |
316 | if (!msg) |
232 | msg = "(libev) system error"; |
317 | msg = "(libev) system error"; |
233 | |
318 | |
… | |
… | |
240 | } |
325 | } |
241 | } |
326 | } |
242 | |
327 | |
243 | static void *(*alloc)(void *ptr, long size); |
328 | static void *(*alloc)(void *ptr, long size); |
244 | |
329 | |
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330 | void |
245 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
246 | { |
332 | { |
247 | alloc = cb; |
333 | alloc = cb; |
248 | } |
334 | } |
249 | |
335 | |
250 | static void * |
336 | inline_speed void * |
251 | ev_realloc (void *ptr, long size) |
337 | ev_realloc (void *ptr, long size) |
252 | { |
338 | { |
253 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
254 | |
340 | |
255 | if (!ptr && size) |
341 | if (!ptr && size) |
… | |
… | |
279 | typedef struct |
365 | typedef struct |
280 | { |
366 | { |
281 | W w; |
367 | W w; |
282 | int events; |
368 | int events; |
283 | } ANPENDING; |
369 | } ANPENDING; |
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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 |
284 | |
377 | |
285 | #if EV_MULTIPLICITY |
378 | #if EV_MULTIPLICITY |
286 | |
379 | |
287 | struct ev_loop |
380 | struct ev_loop |
288 | { |
381 | { |
… | |
… | |
322 | gettimeofday (&tv, 0); |
415 | gettimeofday (&tv, 0); |
323 | return tv.tv_sec + tv.tv_usec * 1e-6; |
416 | return tv.tv_sec + tv.tv_usec * 1e-6; |
324 | #endif |
417 | #endif |
325 | } |
418 | } |
326 | |
419 | |
327 | inline ev_tstamp |
420 | ev_tstamp inline_size |
328 | get_clock (void) |
421 | get_clock (void) |
329 | { |
422 | { |
330 | #if EV_USE_MONOTONIC |
423 | #if EV_USE_MONOTONIC |
331 | if (expect_true (have_monotonic)) |
424 | if (expect_true (have_monotonic)) |
332 | { |
425 | { |
… | |
… | |
345 | { |
438 | { |
346 | return ev_rt_now; |
439 | return ev_rt_now; |
347 | } |
440 | } |
348 | #endif |
441 | #endif |
349 | |
442 | |
350 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
443 | void |
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444 | ev_sleep (ev_tstamp delay) |
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445 | { |
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446 | if (delay > 0.) |
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447 | { |
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448 | #if EV_USE_NANOSLEEP |
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449 | struct timespec ts; |
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450 | |
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451 | ts.tv_sec = (time_t)delay; |
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452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
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453 | |
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454 | nanosleep (&ts, 0); |
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455 | #elif defined(_WIN32) |
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456 | Sleep (delay * 1e3); |
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457 | #else |
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458 | struct timeval tv; |
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459 | |
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460 | tv.tv_sec = (time_t)delay; |
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461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
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462 | |
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463 | select (0, 0, 0, 0, &tv); |
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464 | #endif |
|
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465 | } |
|
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466 | } |
|
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467 | |
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468 | /*****************************************************************************/ |
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469 | |
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470 | int inline_size |
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471 | array_nextsize (int elem, int cur, int cnt) |
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472 | { |
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473 | int ncur = cur + 1; |
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474 | |
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475 | do |
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476 | ncur <<= 1; |
|
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477 | while (cnt > ncur); |
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478 | |
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479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
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480 | if (elem * ncur > 4096) |
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481 | { |
|
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482 | ncur *= elem; |
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483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
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484 | ncur = ncur - sizeof (void *) * 4; |
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485 | ncur /= elem; |
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486 | } |
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487 | |
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488 | return ncur; |
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489 | } |
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490 | |
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491 | static noinline void * |
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492 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
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493 | { |
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494 | *cur = array_nextsize (elem, *cur, cnt); |
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495 | return ev_realloc (base, elem * *cur); |
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496 | } |
351 | |
497 | |
352 | #define array_needsize(type,base,cur,cnt,init) \ |
498 | #define array_needsize(type,base,cur,cnt,init) \ |
353 | if (expect_false ((cnt) > cur)) \ |
499 | if (expect_false ((cnt) > (cur))) \ |
354 | { \ |
500 | { \ |
355 | int newcnt = cur; \ |
501 | int ocur_ = (cur); \ |
356 | do \ |
502 | (base) = (type *)array_realloc \ |
357 | { \ |
503 | (sizeof (type), (base), &(cur), (cnt)); \ |
358 | newcnt = array_roundsize (type, newcnt << 1); \ |
504 | init ((base) + (ocur_), (cur) - ocur_); \ |
359 | } \ |
|
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360 | while ((cnt) > newcnt); \ |
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361 | \ |
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362 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
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363 | init (base + cur, newcnt - cur); \ |
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364 | cur = newcnt; \ |
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365 | } |
505 | } |
366 | |
506 | |
|
|
507 | #if 0 |
367 | #define array_slim(type,stem) \ |
508 | #define array_slim(type,stem) \ |
368 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
509 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
369 | { \ |
510 | { \ |
370 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
511 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
371 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
512 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
372 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
513 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
373 | } |
514 | } |
|
|
515 | #endif |
374 | |
516 | |
375 | #define array_free(stem, idx) \ |
517 | #define array_free(stem, idx) \ |
376 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
518 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
377 | |
519 | |
378 | /*****************************************************************************/ |
520 | /*****************************************************************************/ |
379 | |
521 | |
380 | 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 |
381 | anfds_init (ANFD *base, int count) |
551 | anfds_init (ANFD *base, int count) |
382 | { |
552 | { |
383 | while (count--) |
553 | while (count--) |
384 | { |
554 | { |
385 | base->head = 0; |
555 | base->head = 0; |
… | |
… | |
388 | |
558 | |
389 | ++base; |
559 | ++base; |
390 | } |
560 | } |
391 | } |
561 | } |
392 | |
562 | |
393 | void |
563 | void inline_speed |
394 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
395 | { |
|
|
396 | W w_ = (W)w; |
|
|
397 | |
|
|
398 | if (expect_false (w_->pending)) |
|
|
399 | { |
|
|
400 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
401 | return; |
|
|
402 | } |
|
|
403 | |
|
|
404 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
405 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
406 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
407 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
408 | } |
|
|
409 | |
|
|
410 | static void |
|
|
411 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
412 | { |
|
|
413 | int i; |
|
|
414 | |
|
|
415 | for (i = 0; i < eventcnt; ++i) |
|
|
416 | ev_feed_event (EV_A_ events [i], type); |
|
|
417 | } |
|
|
418 | |
|
|
419 | inline void |
|
|
420 | fd_event (EV_P_ int fd, int revents) |
564 | fd_event (EV_P_ int fd, int revents) |
421 | { |
565 | { |
422 | ANFD *anfd = anfds + fd; |
566 | ANFD *anfd = anfds + fd; |
423 | struct ev_io *w; |
567 | ev_io *w; |
424 | |
568 | |
425 | 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) |
426 | { |
570 | { |
427 | int ev = w->events & revents; |
571 | int ev = w->events & revents; |
428 | |
572 | |
429 | if (ev) |
573 | if (ev) |
430 | ev_feed_event (EV_A_ (W)w, ev); |
574 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
432 | } |
576 | } |
433 | |
577 | |
434 | void |
578 | void |
435 | ev_feed_fd_event (EV_P_ int fd, int revents) |
579 | ev_feed_fd_event (EV_P_ int fd, int revents) |
436 | { |
580 | { |
|
|
581 | if (fd >= 0 && fd < anfdmax) |
437 | fd_event (EV_A_ fd, revents); |
582 | fd_event (EV_A_ fd, revents); |
438 | } |
583 | } |
439 | |
584 | |
440 | /*****************************************************************************/ |
585 | void inline_size |
441 | |
|
|
442 | inline void |
|
|
443 | fd_reify (EV_P) |
586 | fd_reify (EV_P) |
444 | { |
587 | { |
445 | int i; |
588 | int i; |
446 | |
589 | |
447 | for (i = 0; i < fdchangecnt; ++i) |
590 | for (i = 0; i < fdchangecnt; ++i) |
448 | { |
591 | { |
449 | int fd = fdchanges [i]; |
592 | int fd = fdchanges [i]; |
450 | ANFD *anfd = anfds + fd; |
593 | ANFD *anfd = anfds + fd; |
451 | struct ev_io *w; |
594 | ev_io *w; |
452 | |
595 | |
453 | int events = 0; |
596 | unsigned char events = 0; |
454 | |
597 | |
455 | 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) |
456 | events |= w->events; |
599 | events |= (unsigned char)w->events; |
457 | |
600 | |
458 | #if EV_SELECT_IS_WINSOCKET |
601 | #if EV_SELECT_IS_WINSOCKET |
459 | if (events) |
602 | if (events) |
460 | { |
603 | { |
461 | unsigned long argp; |
604 | unsigned long argp; |
|
|
605 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
607 | #else |
462 | anfd->handle = _get_osfhandle (fd); |
608 | anfd->handle = _get_osfhandle (fd); |
|
|
609 | #endif |
463 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
464 | } |
611 | } |
465 | #endif |
612 | #endif |
466 | |
613 | |
|
|
614 | { |
|
|
615 | unsigned char o_events = anfd->events; |
|
|
616 | unsigned char o_reify = anfd->reify; |
|
|
617 | |
467 | anfd->reify = 0; |
618 | anfd->reify = 0; |
468 | |
|
|
469 | method_modify (EV_A_ fd, anfd->events, events); |
|
|
470 | 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 | } |
471 | } |
624 | } |
472 | |
625 | |
473 | fdchangecnt = 0; |
626 | fdchangecnt = 0; |
474 | } |
627 | } |
475 | |
628 | |
476 | static void |
629 | void inline_size |
477 | fd_change (EV_P_ int fd) |
630 | fd_change (EV_P_ int fd, int flags) |
478 | { |
631 | { |
479 | if (expect_false (anfds [fd].reify)) |
632 | unsigned char reify = anfds [fd].reify; |
480 | return; |
|
|
481 | |
|
|
482 | anfds [fd].reify = 1; |
633 | anfds [fd].reify |= flags; |
483 | |
634 | |
|
|
635 | if (expect_true (!reify)) |
|
|
636 | { |
484 | ++fdchangecnt; |
637 | ++fdchangecnt; |
485 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
638 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
486 | fdchanges [fdchangecnt - 1] = fd; |
639 | fdchanges [fdchangecnt - 1] = fd; |
|
|
640 | } |
487 | } |
641 | } |
488 | |
642 | |
489 | static void |
643 | void inline_speed |
490 | fd_kill (EV_P_ int fd) |
644 | fd_kill (EV_P_ int fd) |
491 | { |
645 | { |
492 | struct ev_io *w; |
646 | ev_io *w; |
493 | |
647 | |
494 | while ((w = (struct ev_io *)anfds [fd].head)) |
648 | while ((w = (ev_io *)anfds [fd].head)) |
495 | { |
649 | { |
496 | ev_io_stop (EV_A_ w); |
650 | ev_io_stop (EV_A_ w); |
497 | ev_feed_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); |
498 | } |
652 | } |
499 | } |
653 | } |
500 | |
654 | |
501 | inline int |
655 | int inline_size |
502 | fd_valid (int fd) |
656 | fd_valid (int fd) |
503 | { |
657 | { |
504 | #ifdef _WIN32 |
658 | #ifdef _WIN32 |
505 | return _get_osfhandle (fd) != -1; |
659 | return _get_osfhandle (fd) != -1; |
506 | #else |
660 | #else |
507 | return fcntl (fd, F_GETFD) != -1; |
661 | return fcntl (fd, F_GETFD) != -1; |
508 | #endif |
662 | #endif |
509 | } |
663 | } |
510 | |
664 | |
511 | /* called on EBADF to verify fds */ |
665 | /* called on EBADF to verify fds */ |
512 | static void |
666 | static void noinline |
513 | fd_ebadf (EV_P) |
667 | fd_ebadf (EV_P) |
514 | { |
668 | { |
515 | int fd; |
669 | int fd; |
516 | |
670 | |
517 | for (fd = 0; fd < anfdmax; ++fd) |
671 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
519 | if (!fd_valid (fd) == -1 && errno == EBADF) |
673 | if (!fd_valid (fd) == -1 && errno == EBADF) |
520 | fd_kill (EV_A_ fd); |
674 | fd_kill (EV_A_ fd); |
521 | } |
675 | } |
522 | |
676 | |
523 | /* 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 */ |
524 | static void |
678 | static void noinline |
525 | fd_enomem (EV_P) |
679 | fd_enomem (EV_P) |
526 | { |
680 | { |
527 | int fd; |
681 | int fd; |
528 | |
682 | |
529 | for (fd = anfdmax; fd--; ) |
683 | for (fd = anfdmax; fd--; ) |
… | |
… | |
532 | fd_kill (EV_A_ fd); |
686 | fd_kill (EV_A_ fd); |
533 | return; |
687 | return; |
534 | } |
688 | } |
535 | } |
689 | } |
536 | |
690 | |
537 | /* usually 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 */ |
538 | static void |
692 | static void noinline |
539 | fd_rearm_all (EV_P) |
693 | fd_rearm_all (EV_P) |
540 | { |
694 | { |
541 | int fd; |
695 | int fd; |
542 | |
696 | |
543 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
544 | for (fd = 0; fd < anfdmax; ++fd) |
697 | for (fd = 0; fd < anfdmax; ++fd) |
545 | if (anfds [fd].events) |
698 | if (anfds [fd].events) |
546 | { |
699 | { |
547 | anfds [fd].events = 0; |
700 | anfds [fd].events = 0; |
548 | fd_change (EV_A_ fd); |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
549 | } |
702 | } |
550 | } |
703 | } |
551 | |
704 | |
552 | /*****************************************************************************/ |
705 | /*****************************************************************************/ |
553 | |
706 | |
554 | static void |
707 | void inline_speed |
555 | upheap (WT *heap, int k) |
708 | upheap (WT *heap, int k) |
556 | { |
709 | { |
557 | WT w = heap [k]; |
710 | WT w = heap [k]; |
558 | |
711 | |
559 | while (k && heap [k >> 1]->at > w->at) |
712 | while (k) |
560 | { |
713 | { |
|
|
714 | int p = (k - 1) >> 1; |
|
|
715 | |
|
|
716 | if (heap [p]->at <= w->at) |
|
|
717 | break; |
|
|
718 | |
561 | heap [k] = heap [k >> 1]; |
719 | heap [k] = heap [p]; |
562 | ((W)heap [k])->active = k + 1; |
720 | ((W)heap [k])->active = k + 1; |
563 | k >>= 1; |
721 | k = p; |
564 | } |
722 | } |
565 | |
723 | |
566 | heap [k] = w; |
724 | heap [k] = w; |
567 | ((W)heap [k])->active = k + 1; |
725 | ((W)heap [k])->active = k + 1; |
568 | |
|
|
569 | } |
726 | } |
570 | |
727 | |
571 | static void |
728 | void inline_speed |
572 | downheap (WT *heap, int N, int k) |
729 | downheap (WT *heap, int N, int k) |
573 | { |
730 | { |
574 | WT w = heap [k]; |
731 | WT w = heap [k]; |
575 | |
732 | |
576 | while (k < (N >> 1)) |
733 | for (;;) |
577 | { |
734 | { |
578 | int j = k << 1; |
735 | int c = (k << 1) + 1; |
579 | |
736 | |
580 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
737 | if (c >= N) |
581 | ++j; |
|
|
582 | |
|
|
583 | if (w->at <= heap [j]->at) |
|
|
584 | break; |
738 | break; |
585 | |
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 | |
586 | heap [k] = heap [j]; |
746 | heap [k] = heap [c]; |
587 | ((W)heap [k])->active = k + 1; |
747 | ((W)heap [k])->active = k + 1; |
|
|
748 | |
588 | k = j; |
749 | k = c; |
589 | } |
750 | } |
590 | |
751 | |
591 | heap [k] = w; |
752 | heap [k] = w; |
592 | ((W)heap [k])->active = k + 1; |
753 | ((W)heap [k])->active = k + 1; |
593 | } |
754 | } |
594 | |
755 | |
595 | inline void |
756 | void inline_size |
596 | adjustheap (WT *heap, int N, int k) |
757 | adjustheap (WT *heap, int N, int k) |
597 | { |
758 | { |
598 | upheap (heap, k); |
759 | upheap (heap, k); |
599 | downheap (heap, N, k); |
760 | downheap (heap, N, k); |
600 | } |
761 | } |
… | |
… | |
602 | /*****************************************************************************/ |
763 | /*****************************************************************************/ |
603 | |
764 | |
604 | typedef struct |
765 | typedef struct |
605 | { |
766 | { |
606 | WL head; |
767 | WL head; |
607 | sig_atomic_t volatile gotsig; |
768 | EV_ATOMIC_T gotsig; |
608 | } ANSIG; |
769 | } ANSIG; |
609 | |
770 | |
610 | static ANSIG *signals; |
771 | static ANSIG *signals; |
611 | static int signalmax; |
772 | static int signalmax; |
612 | |
773 | |
613 | static int sigpipe [2]; |
774 | static EV_ATOMIC_T gotsig; |
614 | static sig_atomic_t volatile gotsig; |
|
|
615 | static struct ev_io sigev; |
|
|
616 | |
775 | |
617 | static void |
776 | void inline_size |
618 | signals_init (ANSIG *base, int count) |
777 | signals_init (ANSIG *base, int count) |
619 | { |
778 | { |
620 | while (count--) |
779 | while (count--) |
621 | { |
780 | { |
622 | base->head = 0; |
781 | base->head = 0; |
… | |
… | |
624 | |
783 | |
625 | ++base; |
784 | ++base; |
626 | } |
785 | } |
627 | } |
786 | } |
628 | |
787 | |
629 | static void |
788 | /*****************************************************************************/ |
630 | sighandler (int signum) |
|
|
631 | { |
|
|
632 | #if _WIN32 |
|
|
633 | signal (signum, sighandler); |
|
|
634 | #endif |
|
|
635 | |
789 | |
636 | signals [signum - 1].gotsig = 1; |
790 | void inline_speed |
637 | |
|
|
638 | if (!gotsig) |
|
|
639 | { |
|
|
640 | int old_errno = errno; |
|
|
641 | gotsig = 1; |
|
|
642 | write (sigpipe [1], &signum, 1); |
|
|
643 | errno = old_errno; |
|
|
644 | } |
|
|
645 | } |
|
|
646 | |
|
|
647 | void |
|
|
648 | ev_feed_signal_event (EV_P_ int signum) |
|
|
649 | { |
|
|
650 | WL w; |
|
|
651 | |
|
|
652 | #if EV_MULTIPLICITY |
|
|
653 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
654 | #endif |
|
|
655 | |
|
|
656 | --signum; |
|
|
657 | |
|
|
658 | if (signum < 0 || signum >= signalmax) |
|
|
659 | return; |
|
|
660 | |
|
|
661 | signals [signum].gotsig = 0; |
|
|
662 | |
|
|
663 | for (w = signals [signum].head; w; w = w->next) |
|
|
664 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
665 | } |
|
|
666 | |
|
|
667 | static void |
|
|
668 | sigcb (EV_P_ struct ev_io *iow, int revents) |
|
|
669 | { |
|
|
670 | int signum; |
|
|
671 | |
|
|
672 | read (sigpipe [0], &revents, 1); |
|
|
673 | gotsig = 0; |
|
|
674 | |
|
|
675 | for (signum = signalmax; signum--; ) |
|
|
676 | if (signals [signum].gotsig) |
|
|
677 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
678 | } |
|
|
679 | |
|
|
680 | static void |
|
|
681 | fd_intern (int fd) |
791 | fd_intern (int fd) |
682 | { |
792 | { |
683 | #ifdef _WIN32 |
793 | #ifdef _WIN32 |
684 | int arg = 1; |
794 | int arg = 1; |
685 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
795 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
687 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
797 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
688 | fcntl (fd, F_SETFL, O_NONBLOCK); |
798 | fcntl (fd, F_SETFL, O_NONBLOCK); |
689 | #endif |
799 | #endif |
690 | } |
800 | } |
691 | |
801 | |
|
|
802 | static void noinline |
|
|
803 | evpipe_init (EV_P) |
|
|
804 | { |
|
|
805 | if (!ev_is_active (&pipeev)) |
|
|
806 | { |
|
|
807 | while (pipe (evpipe)) |
|
|
808 | syserr ("(libev) error creating signal/async pipe"); |
|
|
809 | |
|
|
810 | fd_intern (evpipe [0]); |
|
|
811 | fd_intern (evpipe [1]); |
|
|
812 | |
|
|
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
814 | ev_io_start (EV_A_ &pipeev); |
|
|
815 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
816 | } |
|
|
817 | } |
|
|
818 | |
|
|
819 | void inline_size |
|
|
820 | evpipe_write (EV_P_ int sig, int async) |
|
|
821 | { |
|
|
822 | if (!(gotasync || gotsig)) |
|
|
823 | { |
|
|
824 | int old_errno = errno; /* save errno becaue write might clobber it */ |
|
|
825 | |
|
|
826 | if (sig) gotsig = 1; |
|
|
827 | if (async) gotasync = 1; |
|
|
828 | |
|
|
829 | write (evpipe [1], &old_errno, 1); |
|
|
830 | |
|
|
831 | errno = old_errno; |
|
|
832 | } |
|
|
833 | } |
|
|
834 | |
692 | static void |
835 | static void |
693 | siginit (EV_P) |
836 | pipecb (EV_P_ ev_io *iow, int revents) |
694 | { |
837 | { |
695 | fd_intern (sigpipe [0]); |
838 | { |
696 | fd_intern (sigpipe [1]); |
839 | int dummy; |
|
|
840 | read (evpipe [0], &dummy, 1); |
|
|
841 | } |
697 | |
842 | |
698 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
843 | if (gotsig) |
699 | ev_io_start (EV_A_ &sigev); |
844 | { |
700 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
845 | int signum; |
|
|
846 | gotsig = 0; |
|
|
847 | |
|
|
848 | for (signum = signalmax; signum--; ) |
|
|
849 | if (signals [signum].gotsig) |
|
|
850 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
851 | } |
|
|
852 | |
|
|
853 | #if EV_ASYNC_ENABLE |
|
|
854 | if (gotasync) |
|
|
855 | { |
|
|
856 | int i; |
|
|
857 | gotasync = 0; |
|
|
858 | |
|
|
859 | for (i = asynccnt; i--; ) |
|
|
860 | if (asyncs [i]->sent) |
|
|
861 | { |
|
|
862 | asyncs [i]->sent = 0; |
|
|
863 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
864 | } |
|
|
865 | } |
|
|
866 | #endif |
701 | } |
867 | } |
702 | |
868 | |
703 | /*****************************************************************************/ |
869 | /*****************************************************************************/ |
704 | |
870 | |
705 | static struct ev_child *childs [PID_HASHSIZE]; |
871 | static void |
|
|
872 | sighandler (int signum) |
|
|
873 | { |
|
|
874 | #if EV_MULTIPLICITY |
|
|
875 | struct ev_loop *loop = &default_loop_struct; |
|
|
876 | #endif |
|
|
877 | |
|
|
878 | #if _WIN32 |
|
|
879 | signal (signum, sighandler); |
|
|
880 | #endif |
|
|
881 | |
|
|
882 | signals [signum - 1].gotsig = 1; |
|
|
883 | evpipe_write (EV_A_ 1, 0); |
|
|
884 | } |
|
|
885 | |
|
|
886 | void noinline |
|
|
887 | ev_feed_signal_event (EV_P_ int signum) |
|
|
888 | { |
|
|
889 | WL w; |
|
|
890 | |
|
|
891 | #if EV_MULTIPLICITY |
|
|
892 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
893 | #endif |
|
|
894 | |
|
|
895 | --signum; |
|
|
896 | |
|
|
897 | if (signum < 0 || signum >= signalmax) |
|
|
898 | return; |
|
|
899 | |
|
|
900 | signals [signum].gotsig = 0; |
|
|
901 | |
|
|
902 | for (w = signals [signum].head; w; w = w->next) |
|
|
903 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
904 | } |
|
|
905 | |
|
|
906 | /*****************************************************************************/ |
|
|
907 | |
|
|
908 | static WL childs [EV_PID_HASHSIZE]; |
706 | |
909 | |
707 | #ifndef _WIN32 |
910 | #ifndef _WIN32 |
708 | |
911 | |
709 | static struct ev_signal childev; |
912 | static ev_signal childev; |
|
|
913 | |
|
|
914 | #ifndef WIFCONTINUED |
|
|
915 | # define WIFCONTINUED(status) 0 |
|
|
916 | #endif |
|
|
917 | |
|
|
918 | void inline_speed |
|
|
919 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
920 | { |
|
|
921 | ev_child *w; |
|
|
922 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
|
|
923 | |
|
|
924 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
925 | { |
|
|
926 | if ((w->pid == pid || !w->pid) |
|
|
927 | && (!traced || (w->flags & 1))) |
|
|
928 | { |
|
|
929 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
|
|
930 | w->rpid = pid; |
|
|
931 | w->rstatus = status; |
|
|
932 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
933 | } |
|
|
934 | } |
|
|
935 | } |
710 | |
936 | |
711 | #ifndef WCONTINUED |
937 | #ifndef WCONTINUED |
712 | # define WCONTINUED 0 |
938 | # define WCONTINUED 0 |
713 | #endif |
939 | #endif |
714 | |
940 | |
715 | static void |
941 | static void |
716 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
|
|
717 | { |
|
|
718 | struct ev_child *w; |
|
|
719 | |
|
|
720 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
|
|
721 | if (w->pid == pid || !w->pid) |
|
|
722 | { |
|
|
723 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
|
|
724 | w->rpid = pid; |
|
|
725 | w->rstatus = status; |
|
|
726 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
727 | } |
|
|
728 | } |
|
|
729 | |
|
|
730 | static void |
|
|
731 | childcb (EV_P_ struct ev_signal *sw, int revents) |
942 | childcb (EV_P_ ev_signal *sw, int revents) |
732 | { |
943 | { |
733 | int pid, status; |
944 | int pid, status; |
734 | |
945 | |
|
|
946 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
735 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
947 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | { |
948 | if (!WCONTINUED |
|
|
949 | || errno != EINVAL |
|
|
950 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
951 | return; |
|
|
952 | |
737 | /* make sure we are called again until all childs have been reaped */ |
953 | /* make sure we are called again until all childs have been reaped */ |
|
|
954 | /* we need to do it this way so that the callback gets called before we continue */ |
738 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
955 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
739 | |
956 | |
740 | child_reap (EV_A_ sw, pid, pid, status); |
957 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
958 | if (EV_PID_HASHSIZE > 1) |
741 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
959 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
742 | } |
|
|
743 | } |
960 | } |
744 | |
961 | |
745 | #endif |
962 | #endif |
746 | |
963 | |
747 | /*****************************************************************************/ |
964 | /*****************************************************************************/ |
… | |
… | |
773 | { |
990 | { |
774 | return EV_VERSION_MINOR; |
991 | return EV_VERSION_MINOR; |
775 | } |
992 | } |
776 | |
993 | |
777 | /* return true if we are running with elevated privileges and should ignore env variables */ |
994 | /* return true if we are running with elevated privileges and should ignore env variables */ |
778 | static int |
995 | int inline_size |
779 | enable_secure (void) |
996 | enable_secure (void) |
780 | { |
997 | { |
781 | #ifdef _WIN32 |
998 | #ifdef _WIN32 |
782 | return 0; |
999 | return 0; |
783 | #else |
1000 | #else |
… | |
… | |
785 | || getgid () != getegid (); |
1002 | || getgid () != getegid (); |
786 | #endif |
1003 | #endif |
787 | } |
1004 | } |
788 | |
1005 | |
789 | unsigned int |
1006 | unsigned int |
790 | ev_method (EV_P) |
1007 | ev_supported_backends (void) |
791 | { |
1008 | { |
792 | return method; |
1009 | unsigned int flags = 0; |
793 | } |
|
|
794 | |
1010 | |
795 | static void |
1011 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
1012 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
1013 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
1014 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
1015 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
1016 | |
|
|
1017 | return flags; |
|
|
1018 | } |
|
|
1019 | |
|
|
1020 | unsigned int |
|
|
1021 | ev_recommended_backends (void) |
|
|
1022 | { |
|
|
1023 | unsigned int flags = ev_supported_backends (); |
|
|
1024 | |
|
|
1025 | #ifndef __NetBSD__ |
|
|
1026 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
1027 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
1028 | flags &= ~EVBACKEND_KQUEUE; |
|
|
1029 | #endif |
|
|
1030 | #ifdef __APPLE__ |
|
|
1031 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
1032 | flags &= ~EVBACKEND_POLL; |
|
|
1033 | #endif |
|
|
1034 | |
|
|
1035 | return flags; |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | unsigned int |
|
|
1039 | ev_embeddable_backends (void) |
|
|
1040 | { |
|
|
1041 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
|
|
1042 | |
|
|
1043 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
1044 | /* please fix it and tell me how to detect the fix */ |
|
|
1045 | flags &= ~EVBACKEND_EPOLL; |
|
|
1046 | |
|
|
1047 | return flags; |
|
|
1048 | } |
|
|
1049 | |
|
|
1050 | unsigned int |
|
|
1051 | ev_backend (EV_P) |
|
|
1052 | { |
|
|
1053 | return backend; |
|
|
1054 | } |
|
|
1055 | |
|
|
1056 | unsigned int |
|
|
1057 | ev_loop_count (EV_P) |
|
|
1058 | { |
|
|
1059 | return loop_count; |
|
|
1060 | } |
|
|
1061 | |
|
|
1062 | void |
|
|
1063 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1064 | { |
|
|
1065 | io_blocktime = interval; |
|
|
1066 | } |
|
|
1067 | |
|
|
1068 | void |
|
|
1069 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1070 | { |
|
|
1071 | timeout_blocktime = interval; |
|
|
1072 | } |
|
|
1073 | |
|
|
1074 | static void noinline |
796 | loop_init (EV_P_ unsigned int flags) |
1075 | loop_init (EV_P_ unsigned int flags) |
797 | { |
1076 | { |
798 | if (!method) |
1077 | if (!backend) |
799 | { |
1078 | { |
800 | #if EV_USE_MONOTONIC |
1079 | #if EV_USE_MONOTONIC |
801 | { |
1080 | { |
802 | struct timespec ts; |
1081 | struct timespec ts; |
803 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1082 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
804 | have_monotonic = 1; |
1083 | have_monotonic = 1; |
805 | } |
1084 | } |
806 | #endif |
1085 | #endif |
807 | |
1086 | |
808 | ev_rt_now = ev_time (); |
1087 | ev_rt_now = ev_time (); |
809 | mn_now = get_clock (); |
1088 | mn_now = get_clock (); |
810 | now_floor = mn_now; |
1089 | now_floor = mn_now; |
811 | rtmn_diff = ev_rt_now - mn_now; |
1090 | rtmn_diff = ev_rt_now - mn_now; |
812 | |
1091 | |
813 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
1092 | io_blocktime = 0.; |
|
|
1093 | timeout_blocktime = 0.; |
|
|
1094 | backend = 0; |
|
|
1095 | backend_fd = -1; |
|
|
1096 | gotasync = 0; |
|
|
1097 | #if EV_USE_INOTIFY |
|
|
1098 | fs_fd = -2; |
|
|
1099 | #endif |
|
|
1100 | |
|
|
1101 | /* pid check not overridable via env */ |
|
|
1102 | #ifndef _WIN32 |
|
|
1103 | if (flags & EVFLAG_FORKCHECK) |
|
|
1104 | curpid = getpid (); |
|
|
1105 | #endif |
|
|
1106 | |
|
|
1107 | if (!(flags & EVFLAG_NOENV) |
|
|
1108 | && !enable_secure () |
|
|
1109 | && getenv ("LIBEV_FLAGS")) |
814 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1110 | flags = atoi (getenv ("LIBEV_FLAGS")); |
815 | |
1111 | |
816 | if (!(flags & 0x0000ffff)) |
1112 | if (!(flags & 0x0000ffffUL)) |
817 | flags |= 0x0000ffff; |
1113 | flags |= ev_recommended_backends (); |
818 | |
1114 | |
819 | method = 0; |
|
|
820 | #if EV_USE_PORT |
1115 | #if EV_USE_PORT |
821 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
1116 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
822 | #endif |
1117 | #endif |
823 | #if EV_USE_KQUEUE |
1118 | #if EV_USE_KQUEUE |
824 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
1119 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
825 | #endif |
1120 | #endif |
826 | #if EV_USE_EPOLL |
1121 | #if EV_USE_EPOLL |
827 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
1122 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
828 | #endif |
1123 | #endif |
829 | #if EV_USE_POLL |
1124 | #if EV_USE_POLL |
830 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
1125 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
831 | #endif |
1126 | #endif |
832 | #if EV_USE_SELECT |
1127 | #if EV_USE_SELECT |
833 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
1128 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
834 | #endif |
1129 | #endif |
835 | |
1130 | |
836 | ev_init (&sigev, sigcb); |
1131 | ev_init (&pipeev, pipecb); |
837 | ev_set_priority (&sigev, EV_MAXPRI); |
1132 | ev_set_priority (&pipeev, EV_MAXPRI); |
838 | } |
1133 | } |
839 | } |
1134 | } |
840 | |
1135 | |
841 | static void |
1136 | static void noinline |
842 | loop_destroy (EV_P) |
1137 | loop_destroy (EV_P) |
843 | { |
1138 | { |
844 | int i; |
1139 | int i; |
845 | |
1140 | |
|
|
1141 | if (ev_is_active (&pipeev)) |
|
|
1142 | { |
|
|
1143 | ev_ref (EV_A); /* signal watcher */ |
|
|
1144 | ev_io_stop (EV_A_ &pipeev); |
|
|
1145 | |
|
|
1146 | close (evpipe [0]); evpipe [0] = 0; |
|
|
1147 | close (evpipe [1]); evpipe [1] = 0; |
|
|
1148 | } |
|
|
1149 | |
|
|
1150 | #if EV_USE_INOTIFY |
|
|
1151 | if (fs_fd >= 0) |
|
|
1152 | close (fs_fd); |
|
|
1153 | #endif |
|
|
1154 | |
|
|
1155 | if (backend_fd >= 0) |
|
|
1156 | close (backend_fd); |
|
|
1157 | |
846 | #if EV_USE_PORT |
1158 | #if EV_USE_PORT |
847 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
1159 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
848 | #endif |
1160 | #endif |
849 | #if EV_USE_KQUEUE |
1161 | #if EV_USE_KQUEUE |
850 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
1162 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
851 | #endif |
1163 | #endif |
852 | #if EV_USE_EPOLL |
1164 | #if EV_USE_EPOLL |
853 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
1165 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
854 | #endif |
1166 | #endif |
855 | #if EV_USE_POLL |
1167 | #if EV_USE_POLL |
856 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
1168 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
857 | #endif |
1169 | #endif |
858 | #if EV_USE_SELECT |
1170 | #if EV_USE_SELECT |
859 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
1171 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
860 | #endif |
1172 | #endif |
861 | |
1173 | |
862 | for (i = NUMPRI; i--; ) |
1174 | for (i = NUMPRI; i--; ) |
|
|
1175 | { |
863 | array_free (pending, [i]); |
1176 | array_free (pending, [i]); |
|
|
1177 | #if EV_IDLE_ENABLE |
|
|
1178 | array_free (idle, [i]); |
|
|
1179 | #endif |
|
|
1180 | } |
|
|
1181 | |
|
|
1182 | ev_free (anfds); anfdmax = 0; |
864 | |
1183 | |
865 | /* have to use the microsoft-never-gets-it-right macro */ |
1184 | /* have to use the microsoft-never-gets-it-right macro */ |
866 | array_free (fdchange, EMPTY0); |
1185 | array_free (fdchange, EMPTY); |
867 | array_free (timer, EMPTY0); |
1186 | array_free (timer, EMPTY); |
868 | #if EV_PERIODICS |
1187 | #if EV_PERIODIC_ENABLE |
869 | array_free (periodic, EMPTY0); |
1188 | array_free (periodic, EMPTY); |
870 | #endif |
1189 | #endif |
|
|
1190 | #if EV_FORK_ENABLE |
871 | array_free (idle, EMPTY0); |
1191 | array_free (fork, EMPTY); |
|
|
1192 | #endif |
872 | array_free (prepare, EMPTY0); |
1193 | array_free (prepare, EMPTY); |
873 | array_free (check, EMPTY0); |
1194 | array_free (check, EMPTY); |
|
|
1195 | #if EV_ASYNC_ENABLE |
|
|
1196 | array_free (async, EMPTY); |
|
|
1197 | #endif |
874 | |
1198 | |
875 | method = 0; |
1199 | backend = 0; |
876 | } |
1200 | } |
877 | |
1201 | |
878 | static void |
1202 | void inline_size infy_fork (EV_P); |
|
|
1203 | |
|
|
1204 | void inline_size |
879 | loop_fork (EV_P) |
1205 | loop_fork (EV_P) |
880 | { |
1206 | { |
881 | #if EV_USE_PORT |
1207 | #if EV_USE_PORT |
882 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
1208 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
883 | #endif |
1209 | #endif |
884 | #if EV_USE_KQUEUE |
1210 | #if EV_USE_KQUEUE |
885 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
1211 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
886 | #endif |
1212 | #endif |
887 | #if EV_USE_EPOLL |
1213 | #if EV_USE_EPOLL |
888 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
1214 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
889 | #endif |
1215 | #endif |
|
|
1216 | #if EV_USE_INOTIFY |
|
|
1217 | infy_fork (EV_A); |
|
|
1218 | #endif |
890 | |
1219 | |
891 | if (ev_is_active (&sigev)) |
1220 | if (ev_is_active (&pipeev)) |
892 | { |
1221 | { |
893 | /* default loop */ |
1222 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1223 | gotsig = gotasync = 1; |
894 | |
1224 | |
895 | ev_ref (EV_A); |
1225 | ev_ref (EV_A); |
896 | ev_io_stop (EV_A_ &sigev); |
1226 | ev_io_stop (EV_A_ &pipeev); |
897 | close (sigpipe [0]); |
1227 | close (evpipe [0]); |
898 | close (sigpipe [1]); |
1228 | close (evpipe [1]); |
899 | |
1229 | |
900 | while (pipe (sigpipe)) |
|
|
901 | syserr ("(libev) error creating pipe"); |
|
|
902 | |
|
|
903 | siginit (EV_A); |
1230 | evpipe_init (EV_A); |
|
|
1231 | /* now iterate over everything, in case we missed something */ |
|
|
1232 | pipecb (EV_A_ &pipeev, EV_READ); |
904 | } |
1233 | } |
905 | |
1234 | |
906 | postfork = 0; |
1235 | postfork = 0; |
907 | } |
1236 | } |
908 | |
1237 | |
… | |
… | |
914 | |
1243 | |
915 | memset (loop, 0, sizeof (struct ev_loop)); |
1244 | memset (loop, 0, sizeof (struct ev_loop)); |
916 | |
1245 | |
917 | loop_init (EV_A_ flags); |
1246 | loop_init (EV_A_ flags); |
918 | |
1247 | |
919 | if (ev_method (EV_A)) |
1248 | if (ev_backend (EV_A)) |
920 | return loop; |
1249 | return loop; |
921 | |
1250 | |
922 | return 0; |
1251 | return 0; |
923 | } |
1252 | } |
924 | |
1253 | |
… | |
… | |
930 | } |
1259 | } |
931 | |
1260 | |
932 | void |
1261 | void |
933 | ev_loop_fork (EV_P) |
1262 | ev_loop_fork (EV_P) |
934 | { |
1263 | { |
935 | postfork = 1; |
1264 | postfork = 1; /* must be in line with ev_default_fork */ |
936 | } |
1265 | } |
937 | |
1266 | |
938 | #endif |
1267 | #endif |
939 | |
1268 | |
940 | #if EV_MULTIPLICITY |
1269 | #if EV_MULTIPLICITY |
… | |
… | |
943 | #else |
1272 | #else |
944 | int |
1273 | int |
945 | ev_default_loop (unsigned int flags) |
1274 | ev_default_loop (unsigned int flags) |
946 | #endif |
1275 | #endif |
947 | { |
1276 | { |
948 | if (sigpipe [0] == sigpipe [1]) |
|
|
949 | if (pipe (sigpipe)) |
|
|
950 | return 0; |
|
|
951 | |
|
|
952 | if (!ev_default_loop_ptr) |
1277 | if (!ev_default_loop_ptr) |
953 | { |
1278 | { |
954 | #if EV_MULTIPLICITY |
1279 | #if EV_MULTIPLICITY |
955 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1280 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
956 | #else |
1281 | #else |
957 | ev_default_loop_ptr = 1; |
1282 | ev_default_loop_ptr = 1; |
958 | #endif |
1283 | #endif |
959 | |
1284 | |
960 | loop_init (EV_A_ flags); |
1285 | loop_init (EV_A_ flags); |
961 | |
1286 | |
962 | if (ev_method (EV_A)) |
1287 | if (ev_backend (EV_A)) |
963 | { |
1288 | { |
964 | siginit (EV_A); |
|
|
965 | |
|
|
966 | #ifndef _WIN32 |
1289 | #ifndef _WIN32 |
967 | ev_signal_init (&childev, childcb, SIGCHLD); |
1290 | ev_signal_init (&childev, childcb, SIGCHLD); |
968 | ev_set_priority (&childev, EV_MAXPRI); |
1291 | ev_set_priority (&childev, EV_MAXPRI); |
969 | ev_signal_start (EV_A_ &childev); |
1292 | ev_signal_start (EV_A_ &childev); |
970 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1293 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
987 | #ifndef _WIN32 |
1310 | #ifndef _WIN32 |
988 | ev_ref (EV_A); /* child watcher */ |
1311 | ev_ref (EV_A); /* child watcher */ |
989 | ev_signal_stop (EV_A_ &childev); |
1312 | ev_signal_stop (EV_A_ &childev); |
990 | #endif |
1313 | #endif |
991 | |
1314 | |
992 | ev_ref (EV_A); /* signal watcher */ |
|
|
993 | ev_io_stop (EV_A_ &sigev); |
|
|
994 | |
|
|
995 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
996 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
997 | |
|
|
998 | loop_destroy (EV_A); |
1315 | loop_destroy (EV_A); |
999 | } |
1316 | } |
1000 | |
1317 | |
1001 | void |
1318 | void |
1002 | ev_default_fork (void) |
1319 | ev_default_fork (void) |
1003 | { |
1320 | { |
1004 | #if EV_MULTIPLICITY |
1321 | #if EV_MULTIPLICITY |
1005 | struct ev_loop *loop = ev_default_loop_ptr; |
1322 | struct ev_loop *loop = ev_default_loop_ptr; |
1006 | #endif |
1323 | #endif |
1007 | |
1324 | |
1008 | if (method) |
1325 | if (backend) |
1009 | postfork = 1; |
1326 | postfork = 1; /* must be in line with ev_loop_fork */ |
1010 | } |
1327 | } |
1011 | |
1328 | |
1012 | /*****************************************************************************/ |
1329 | /*****************************************************************************/ |
1013 | |
1330 | |
1014 | static int |
1331 | void |
1015 | any_pending (EV_P) |
1332 | ev_invoke (EV_P_ void *w, int revents) |
1016 | { |
1333 | { |
1017 | int pri; |
1334 | EV_CB_INVOKE ((W)w, revents); |
1018 | |
|
|
1019 | for (pri = NUMPRI; pri--; ) |
|
|
1020 | if (pendingcnt [pri]) |
|
|
1021 | return 1; |
|
|
1022 | |
|
|
1023 | return 0; |
|
|
1024 | } |
1335 | } |
1025 | |
1336 | |
1026 | inline void |
1337 | void inline_speed |
1027 | call_pending (EV_P) |
1338 | call_pending (EV_P) |
1028 | { |
1339 | { |
1029 | int pri; |
1340 | int pri; |
1030 | |
1341 | |
1031 | for (pri = NUMPRI; pri--; ) |
1342 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
1033 | { |
1344 | { |
1034 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1345 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1035 | |
1346 | |
1036 | if (expect_true (p->w)) |
1347 | if (expect_true (p->w)) |
1037 | { |
1348 | { |
|
|
1349 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1350 | |
1038 | p->w->pending = 0; |
1351 | p->w->pending = 0; |
1039 | EV_CB_INVOKE (p->w, p->events); |
1352 | EV_CB_INVOKE (p->w, p->events); |
1040 | } |
1353 | } |
1041 | } |
1354 | } |
1042 | } |
1355 | } |
1043 | |
1356 | |
1044 | inline void |
1357 | void inline_size |
1045 | timers_reify (EV_P) |
1358 | timers_reify (EV_P) |
1046 | { |
1359 | { |
1047 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1360 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1048 | { |
1361 | { |
1049 | struct ev_timer *w = timers [0]; |
1362 | ev_timer *w = (ev_timer *)timers [0]; |
1050 | |
1363 | |
1051 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1364 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1052 | |
1365 | |
1053 | /* first reschedule or stop timer */ |
1366 | /* first reschedule or stop timer */ |
1054 | if (w->repeat) |
1367 | if (w->repeat) |
1055 | { |
1368 | { |
1056 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1369 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1057 | |
1370 | |
1058 | ((WT)w)->at += w->repeat; |
1371 | ((WT)w)->at += w->repeat; |
1059 | if (((WT)w)->at < mn_now) |
1372 | if (((WT)w)->at < mn_now) |
1060 | ((WT)w)->at = mn_now; |
1373 | ((WT)w)->at = mn_now; |
1061 | |
1374 | |
1062 | downheap ((WT *)timers, timercnt, 0); |
1375 | downheap (timers, timercnt, 0); |
1063 | } |
1376 | } |
1064 | else |
1377 | else |
1065 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1378 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1066 | |
1379 | |
1067 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1380 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1068 | } |
1381 | } |
1069 | } |
1382 | } |
1070 | |
1383 | |
1071 | #if EV_PERIODICS |
1384 | #if EV_PERIODIC_ENABLE |
1072 | inline void |
1385 | void inline_size |
1073 | periodics_reify (EV_P) |
1386 | periodics_reify (EV_P) |
1074 | { |
1387 | { |
1075 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1388 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1076 | { |
1389 | { |
1077 | struct ev_periodic *w = periodics [0]; |
1390 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1078 | |
1391 | |
1079 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1392 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1080 | |
1393 | |
1081 | /* first reschedule or stop timer */ |
1394 | /* first reschedule or stop timer */ |
1082 | if (w->reschedule_cb) |
1395 | if (w->reschedule_cb) |
1083 | { |
1396 | { |
1084 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1397 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1085 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1398 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1086 | downheap ((WT *)periodics, periodiccnt, 0); |
1399 | downheap (periodics, periodiccnt, 0); |
1087 | } |
1400 | } |
1088 | else if (w->interval) |
1401 | else if (w->interval) |
1089 | { |
1402 | { |
1090 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1403 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1404 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1091 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1405 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1092 | downheap ((WT *)periodics, periodiccnt, 0); |
1406 | downheap (periodics, periodiccnt, 0); |
1093 | } |
1407 | } |
1094 | else |
1408 | else |
1095 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1409 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1096 | |
1410 | |
1097 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1411 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1098 | } |
1412 | } |
1099 | } |
1413 | } |
1100 | |
1414 | |
1101 | static void |
1415 | static void noinline |
1102 | periodics_reschedule (EV_P) |
1416 | periodics_reschedule (EV_P) |
1103 | { |
1417 | { |
1104 | int i; |
1418 | int i; |
1105 | |
1419 | |
1106 | /* adjust periodics after time jump */ |
1420 | /* adjust periodics after time jump */ |
1107 | for (i = 0; i < periodiccnt; ++i) |
1421 | for (i = 0; i < periodiccnt; ++i) |
1108 | { |
1422 | { |
1109 | struct ev_periodic *w = periodics [i]; |
1423 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1110 | |
1424 | |
1111 | if (w->reschedule_cb) |
1425 | if (w->reschedule_cb) |
1112 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1426 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1113 | else if (w->interval) |
1427 | else if (w->interval) |
1114 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1428 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1115 | } |
1429 | } |
1116 | |
1430 | |
1117 | /* now rebuild the heap */ |
1431 | /* now rebuild the heap */ |
1118 | for (i = periodiccnt >> 1; i--; ) |
1432 | for (i = periodiccnt >> 1; i--; ) |
1119 | downheap ((WT *)periodics, periodiccnt, i); |
1433 | downheap (periodics, periodiccnt, i); |
1120 | } |
1434 | } |
1121 | #endif |
1435 | #endif |
1122 | |
1436 | |
1123 | inline int |
1437 | #if EV_IDLE_ENABLE |
1124 | time_update_monotonic (EV_P) |
1438 | void inline_size |
|
|
1439 | idle_reify (EV_P) |
1125 | { |
1440 | { |
|
|
1441 | if (expect_false (idleall)) |
|
|
1442 | { |
|
|
1443 | int pri; |
|
|
1444 | |
|
|
1445 | for (pri = NUMPRI; pri--; ) |
|
|
1446 | { |
|
|
1447 | if (pendingcnt [pri]) |
|
|
1448 | break; |
|
|
1449 | |
|
|
1450 | if (idlecnt [pri]) |
|
|
1451 | { |
|
|
1452 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1453 | break; |
|
|
1454 | } |
|
|
1455 | } |
|
|
1456 | } |
|
|
1457 | } |
|
|
1458 | #endif |
|
|
1459 | |
|
|
1460 | void inline_speed |
|
|
1461 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1462 | { |
|
|
1463 | int i; |
|
|
1464 | |
|
|
1465 | #if EV_USE_MONOTONIC |
|
|
1466 | if (expect_true (have_monotonic)) |
|
|
1467 | { |
|
|
1468 | ev_tstamp odiff = rtmn_diff; |
|
|
1469 | |
1126 | mn_now = get_clock (); |
1470 | mn_now = get_clock (); |
1127 | |
1471 | |
|
|
1472 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1473 | /* interpolate in the meantime */ |
1128 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1474 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1129 | { |
1475 | { |
1130 | ev_rt_now = rtmn_diff + mn_now; |
1476 | ev_rt_now = rtmn_diff + mn_now; |
1131 | return 0; |
1477 | return; |
1132 | } |
1478 | } |
1133 | else |
1479 | |
1134 | { |
|
|
1135 | now_floor = mn_now; |
1480 | now_floor = mn_now; |
1136 | ev_rt_now = ev_time (); |
1481 | ev_rt_now = ev_time (); |
1137 | return 1; |
|
|
1138 | } |
|
|
1139 | } |
|
|
1140 | |
1482 | |
1141 | inline void |
1483 | /* loop a few times, before making important decisions. |
1142 | time_update (EV_P) |
1484 | * on the choice of "4": one iteration isn't enough, |
1143 | { |
1485 | * in case we get preempted during the calls to |
1144 | int i; |
1486 | * ev_time and get_clock. a second call is almost guaranteed |
1145 | |
1487 | * to succeed in that case, though. and looping a few more times |
1146 | #if EV_USE_MONOTONIC |
1488 | * doesn't hurt either as we only do this on time-jumps or |
1147 | if (expect_true (have_monotonic)) |
1489 | * in the unlikely event of having been preempted here. |
1148 | { |
1490 | */ |
1149 | if (time_update_monotonic (EV_A)) |
1491 | for (i = 4; --i; ) |
1150 | { |
1492 | { |
1151 | ev_tstamp odiff = rtmn_diff; |
|
|
1152 | |
|
|
1153 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
|
|
1154 | { |
|
|
1155 | rtmn_diff = ev_rt_now - mn_now; |
1493 | rtmn_diff = ev_rt_now - mn_now; |
1156 | |
1494 | |
1157 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1495 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1158 | return; /* all is well */ |
1496 | return; /* all is well */ |
1159 | |
1497 | |
1160 | ev_rt_now = ev_time (); |
1498 | ev_rt_now = ev_time (); |
1161 | mn_now = get_clock (); |
1499 | mn_now = get_clock (); |
1162 | now_floor = mn_now; |
1500 | now_floor = mn_now; |
1163 | } |
1501 | } |
1164 | |
1502 | |
1165 | # if EV_PERIODICS |
1503 | # if EV_PERIODIC_ENABLE |
|
|
1504 | periodics_reschedule (EV_A); |
|
|
1505 | # endif |
|
|
1506 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1507 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1508 | } |
|
|
1509 | else |
|
|
1510 | #endif |
|
|
1511 | { |
|
|
1512 | ev_rt_now = ev_time (); |
|
|
1513 | |
|
|
1514 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
|
|
1515 | { |
|
|
1516 | #if EV_PERIODIC_ENABLE |
1166 | periodics_reschedule (EV_A); |
1517 | periodics_reschedule (EV_A); |
1167 | # endif |
1518 | #endif |
1168 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1169 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1170 | } |
|
|
1171 | } |
|
|
1172 | else |
|
|
1173 | #endif |
|
|
1174 | { |
|
|
1175 | ev_rt_now = ev_time (); |
|
|
1176 | |
|
|
1177 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
|
|
1178 | { |
|
|
1179 | #if EV_PERIODICS |
|
|
1180 | periodics_reschedule (EV_A); |
|
|
1181 | #endif |
|
|
1182 | |
|
|
1183 | /* adjust timers. this is easy, as the offset is the same for all */ |
1519 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1184 | for (i = 0; i < timercnt; ++i) |
1520 | for (i = 0; i < timercnt; ++i) |
1185 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1521 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1186 | } |
1522 | } |
1187 | |
1523 | |
1188 | mn_now = ev_rt_now; |
1524 | mn_now = ev_rt_now; |
… | |
… | |
1204 | static int loop_done; |
1540 | static int loop_done; |
1205 | |
1541 | |
1206 | void |
1542 | void |
1207 | ev_loop (EV_P_ int flags) |
1543 | ev_loop (EV_P_ int flags) |
1208 | { |
1544 | { |
1209 | double block; |
|
|
1210 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1545 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1546 | ? EVUNLOOP_ONE |
|
|
1547 | : EVUNLOOP_CANCEL; |
1211 | |
1548 | |
1212 | while (activecnt) |
1549 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1550 | |
|
|
1551 | do |
1213 | { |
1552 | { |
|
|
1553 | #ifndef _WIN32 |
|
|
1554 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1555 | if (expect_false (getpid () != curpid)) |
|
|
1556 | { |
|
|
1557 | curpid = getpid (); |
|
|
1558 | postfork = 1; |
|
|
1559 | } |
|
|
1560 | #endif |
|
|
1561 | |
|
|
1562 | #if EV_FORK_ENABLE |
|
|
1563 | /* we might have forked, so queue fork handlers */ |
|
|
1564 | if (expect_false (postfork)) |
|
|
1565 | if (forkcnt) |
|
|
1566 | { |
|
|
1567 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1568 | call_pending (EV_A); |
|
|
1569 | } |
|
|
1570 | #endif |
|
|
1571 | |
1214 | /* queue check watchers (and execute them) */ |
1572 | /* queue prepare watchers (and execute them) */ |
1215 | if (expect_false (preparecnt)) |
1573 | if (expect_false (preparecnt)) |
1216 | { |
1574 | { |
1217 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1575 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1218 | call_pending (EV_A); |
1576 | call_pending (EV_A); |
1219 | } |
1577 | } |
1220 | |
1578 | |
|
|
1579 | if (expect_false (!activecnt)) |
|
|
1580 | break; |
|
|
1581 | |
1221 | /* we might have forked, so reify kernel state if necessary */ |
1582 | /* we might have forked, so reify kernel state if necessary */ |
1222 | if (expect_false (postfork)) |
1583 | if (expect_false (postfork)) |
1223 | loop_fork (EV_A); |
1584 | loop_fork (EV_A); |
1224 | |
1585 | |
1225 | /* update fd-related kernel structures */ |
1586 | /* update fd-related kernel structures */ |
1226 | fd_reify (EV_A); |
1587 | fd_reify (EV_A); |
1227 | |
1588 | |
1228 | /* calculate blocking time */ |
1589 | /* calculate blocking time */ |
|
|
1590 | { |
|
|
1591 | ev_tstamp waittime = 0.; |
|
|
1592 | ev_tstamp sleeptime = 0.; |
1229 | |
1593 | |
1230 | /* we only need this for !monotonic clock or timers, but as we basically |
1594 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1231 | always have timers, we just calculate it always */ |
|
|
1232 | #if EV_USE_MONOTONIC |
|
|
1233 | if (expect_true (have_monotonic)) |
|
|
1234 | time_update_monotonic (EV_A); |
|
|
1235 | else |
|
|
1236 | #endif |
|
|
1237 | { |
1595 | { |
1238 | ev_rt_now = ev_time (); |
1596 | /* update time to cancel out callback processing overhead */ |
1239 | mn_now = ev_rt_now; |
1597 | time_update (EV_A_ 1e100); |
1240 | } |
|
|
1241 | |
1598 | |
1242 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1243 | block = 0.; |
|
|
1244 | else |
|
|
1245 | { |
|
|
1246 | block = MAX_BLOCKTIME; |
1599 | waittime = MAX_BLOCKTIME; |
1247 | |
1600 | |
1248 | if (timercnt) |
1601 | if (timercnt) |
1249 | { |
1602 | { |
1250 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1603 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1251 | if (block > to) block = to; |
1604 | if (waittime > to) waittime = to; |
1252 | } |
1605 | } |
1253 | |
1606 | |
1254 | #if EV_PERIODICS |
1607 | #if EV_PERIODIC_ENABLE |
1255 | if (periodiccnt) |
1608 | if (periodiccnt) |
1256 | { |
1609 | { |
1257 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1610 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1258 | if (block > to) block = to; |
1611 | if (waittime > to) waittime = to; |
1259 | } |
1612 | } |
1260 | #endif |
1613 | #endif |
1261 | |
1614 | |
1262 | if (expect_false (block < 0.)) block = 0.; |
1615 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1616 | waittime = timeout_blocktime; |
|
|
1617 | |
|
|
1618 | sleeptime = waittime - backend_fudge; |
|
|
1619 | |
|
|
1620 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1621 | sleeptime = io_blocktime; |
|
|
1622 | |
|
|
1623 | if (sleeptime) |
|
|
1624 | { |
|
|
1625 | ev_sleep (sleeptime); |
|
|
1626 | waittime -= sleeptime; |
|
|
1627 | } |
1263 | } |
1628 | } |
1264 | |
1629 | |
1265 | method_poll (EV_A_ block); |
1630 | ++loop_count; |
|
|
1631 | backend_poll (EV_A_ waittime); |
1266 | |
1632 | |
1267 | /* update ev_rt_now, do magic */ |
1633 | /* update ev_rt_now, do magic */ |
1268 | time_update (EV_A); |
1634 | time_update (EV_A_ waittime + sleeptime); |
|
|
1635 | } |
1269 | |
1636 | |
1270 | /* queue pending timers and reschedule them */ |
1637 | /* queue pending timers and reschedule them */ |
1271 | timers_reify (EV_A); /* relative timers called last */ |
1638 | timers_reify (EV_A); /* relative timers called last */ |
1272 | #if EV_PERIODICS |
1639 | #if EV_PERIODIC_ENABLE |
1273 | periodics_reify (EV_A); /* absolute timers called first */ |
1640 | periodics_reify (EV_A); /* absolute timers called first */ |
1274 | #endif |
1641 | #endif |
1275 | |
1642 | |
|
|
1643 | #if EV_IDLE_ENABLE |
1276 | /* queue idle watchers unless io or timers are pending */ |
1644 | /* queue idle watchers unless other events are pending */ |
1277 | if (idlecnt && !any_pending (EV_A)) |
1645 | idle_reify (EV_A); |
1278 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1646 | #endif |
1279 | |
1647 | |
1280 | /* queue check watchers, to be executed first */ |
1648 | /* queue check watchers, to be executed first */ |
1281 | if (expect_false (checkcnt)) |
1649 | if (expect_false (checkcnt)) |
1282 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1650 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1283 | |
1651 | |
1284 | call_pending (EV_A); |
1652 | call_pending (EV_A); |
1285 | |
1653 | |
1286 | if (expect_false (loop_done)) |
|
|
1287 | break; |
|
|
1288 | } |
1654 | } |
|
|
1655 | while (expect_true (activecnt && !loop_done)); |
1289 | |
1656 | |
1290 | if (loop_done != 2) |
1657 | if (loop_done == EVUNLOOP_ONE) |
1291 | loop_done = 0; |
1658 | loop_done = EVUNLOOP_CANCEL; |
1292 | } |
1659 | } |
1293 | |
1660 | |
1294 | void |
1661 | void |
1295 | ev_unloop (EV_P_ int how) |
1662 | ev_unloop (EV_P_ int how) |
1296 | { |
1663 | { |
1297 | loop_done = how; |
1664 | loop_done = how; |
1298 | } |
1665 | } |
1299 | |
1666 | |
1300 | /*****************************************************************************/ |
1667 | /*****************************************************************************/ |
1301 | |
1668 | |
1302 | inline void |
1669 | void inline_size |
1303 | wlist_add (WL *head, WL elem) |
1670 | wlist_add (WL *head, WL elem) |
1304 | { |
1671 | { |
1305 | elem->next = *head; |
1672 | elem->next = *head; |
1306 | *head = elem; |
1673 | *head = elem; |
1307 | } |
1674 | } |
1308 | |
1675 | |
1309 | inline void |
1676 | void inline_size |
1310 | wlist_del (WL *head, WL elem) |
1677 | wlist_del (WL *head, WL elem) |
1311 | { |
1678 | { |
1312 | while (*head) |
1679 | while (*head) |
1313 | { |
1680 | { |
1314 | if (*head == elem) |
1681 | if (*head == elem) |
… | |
… | |
1319 | |
1686 | |
1320 | head = &(*head)->next; |
1687 | head = &(*head)->next; |
1321 | } |
1688 | } |
1322 | } |
1689 | } |
1323 | |
1690 | |
1324 | inline void |
1691 | void inline_speed |
1325 | ev_clear_pending (EV_P_ W w) |
1692 | clear_pending (EV_P_ W w) |
1326 | { |
1693 | { |
1327 | if (w->pending) |
1694 | if (w->pending) |
1328 | { |
1695 | { |
1329 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1696 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1330 | w->pending = 0; |
1697 | w->pending = 0; |
1331 | } |
1698 | } |
1332 | } |
1699 | } |
1333 | |
1700 | |
1334 | inline void |
1701 | int |
|
|
1702 | ev_clear_pending (EV_P_ void *w) |
|
|
1703 | { |
|
|
1704 | W w_ = (W)w; |
|
|
1705 | int pending = w_->pending; |
|
|
1706 | |
|
|
1707 | if (expect_true (pending)) |
|
|
1708 | { |
|
|
1709 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1710 | w_->pending = 0; |
|
|
1711 | p->w = 0; |
|
|
1712 | return p->events; |
|
|
1713 | } |
|
|
1714 | else |
|
|
1715 | return 0; |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | void inline_size |
|
|
1719 | pri_adjust (EV_P_ W w) |
|
|
1720 | { |
|
|
1721 | int pri = w->priority; |
|
|
1722 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1723 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1724 | w->priority = pri; |
|
|
1725 | } |
|
|
1726 | |
|
|
1727 | void inline_speed |
1335 | ev_start (EV_P_ W w, int active) |
1728 | ev_start (EV_P_ W w, int active) |
1336 | { |
1729 | { |
1337 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1730 | pri_adjust (EV_A_ w); |
1338 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1339 | |
|
|
1340 | w->active = active; |
1731 | w->active = active; |
1341 | ev_ref (EV_A); |
1732 | ev_ref (EV_A); |
1342 | } |
1733 | } |
1343 | |
1734 | |
1344 | inline void |
1735 | void inline_size |
1345 | ev_stop (EV_P_ W w) |
1736 | ev_stop (EV_P_ W w) |
1346 | { |
1737 | { |
1347 | ev_unref (EV_A); |
1738 | ev_unref (EV_A); |
1348 | w->active = 0; |
1739 | w->active = 0; |
1349 | } |
1740 | } |
1350 | |
1741 | |
1351 | /*****************************************************************************/ |
1742 | /*****************************************************************************/ |
1352 | |
1743 | |
1353 | void |
1744 | void noinline |
1354 | ev_io_start (EV_P_ struct ev_io *w) |
1745 | ev_io_start (EV_P_ ev_io *w) |
1355 | { |
1746 | { |
1356 | int fd = w->fd; |
1747 | int fd = w->fd; |
1357 | |
1748 | |
1358 | if (expect_false (ev_is_active (w))) |
1749 | if (expect_false (ev_is_active (w))) |
1359 | return; |
1750 | return; |
1360 | |
1751 | |
1361 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1752 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1362 | |
1753 | |
1363 | ev_start (EV_A_ (W)w, 1); |
1754 | ev_start (EV_A_ (W)w, 1); |
1364 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1755 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1365 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1756 | wlist_add (&anfds[fd].head, (WL)w); |
1366 | |
1757 | |
1367 | fd_change (EV_A_ fd); |
1758 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1759 | w->events &= ~EV_IOFDSET; |
1368 | } |
1760 | } |
1369 | |
1761 | |
1370 | void |
1762 | void noinline |
1371 | ev_io_stop (EV_P_ struct ev_io *w) |
1763 | ev_io_stop (EV_P_ ev_io *w) |
1372 | { |
1764 | { |
1373 | ev_clear_pending (EV_A_ (W)w); |
1765 | clear_pending (EV_A_ (W)w); |
1374 | if (expect_false (!ev_is_active (w))) |
1766 | if (expect_false (!ev_is_active (w))) |
1375 | return; |
1767 | return; |
1376 | |
1768 | |
1377 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1769 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1378 | |
1770 | |
1379 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1771 | wlist_del (&anfds[w->fd].head, (WL)w); |
1380 | ev_stop (EV_A_ (W)w); |
1772 | ev_stop (EV_A_ (W)w); |
1381 | |
1773 | |
1382 | fd_change (EV_A_ w->fd); |
1774 | fd_change (EV_A_ w->fd, 1); |
1383 | } |
1775 | } |
1384 | |
1776 | |
1385 | void |
1777 | void noinline |
1386 | ev_timer_start (EV_P_ struct ev_timer *w) |
1778 | ev_timer_start (EV_P_ ev_timer *w) |
1387 | { |
1779 | { |
1388 | if (expect_false (ev_is_active (w))) |
1780 | if (expect_false (ev_is_active (w))) |
1389 | return; |
1781 | return; |
1390 | |
1782 | |
1391 | ((WT)w)->at += mn_now; |
1783 | ((WT)w)->at += mn_now; |
1392 | |
1784 | |
1393 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1785 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1394 | |
1786 | |
1395 | ev_start (EV_A_ (W)w, ++timercnt); |
1787 | ev_start (EV_A_ (W)w, ++timercnt); |
1396 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1788 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1397 | timers [timercnt - 1] = w; |
1789 | timers [timercnt - 1] = (WT)w; |
1398 | upheap ((WT *)timers, timercnt - 1); |
1790 | upheap (timers, timercnt - 1); |
1399 | |
1791 | |
1400 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1792 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1401 | } |
1793 | } |
1402 | |
1794 | |
1403 | void |
1795 | void noinline |
1404 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1796 | ev_timer_stop (EV_P_ ev_timer *w) |
1405 | { |
1797 | { |
1406 | ev_clear_pending (EV_A_ (W)w); |
1798 | clear_pending (EV_A_ (W)w); |
1407 | if (expect_false (!ev_is_active (w))) |
1799 | if (expect_false (!ev_is_active (w))) |
1408 | return; |
1800 | return; |
1409 | |
1801 | |
1410 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1802 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1411 | |
1803 | |
|
|
1804 | { |
|
|
1805 | int active = ((W)w)->active; |
|
|
1806 | |
1412 | if (expect_true (((W)w)->active < timercnt--)) |
1807 | if (expect_true (--active < --timercnt)) |
1413 | { |
1808 | { |
1414 | timers [((W)w)->active - 1] = timers [timercnt]; |
1809 | timers [active] = timers [timercnt]; |
1415 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1810 | adjustheap (timers, timercnt, active); |
1416 | } |
1811 | } |
|
|
1812 | } |
1417 | |
1813 | |
1418 | ((WT)w)->at -= mn_now; |
1814 | ((WT)w)->at -= mn_now; |
1419 | |
1815 | |
1420 | ev_stop (EV_A_ (W)w); |
1816 | ev_stop (EV_A_ (W)w); |
1421 | } |
1817 | } |
1422 | |
1818 | |
1423 | void |
1819 | void noinline |
1424 | ev_timer_again (EV_P_ struct ev_timer *w) |
1820 | ev_timer_again (EV_P_ ev_timer *w) |
1425 | { |
1821 | { |
1426 | if (ev_is_active (w)) |
1822 | if (ev_is_active (w)) |
1427 | { |
1823 | { |
1428 | if (w->repeat) |
1824 | if (w->repeat) |
1429 | { |
1825 | { |
1430 | ((WT)w)->at = mn_now + w->repeat; |
1826 | ((WT)w)->at = mn_now + w->repeat; |
1431 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1827 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1432 | } |
1828 | } |
1433 | else |
1829 | else |
1434 | ev_timer_stop (EV_A_ w); |
1830 | ev_timer_stop (EV_A_ w); |
1435 | } |
1831 | } |
1436 | else if (w->repeat) |
1832 | else if (w->repeat) |
… | |
… | |
1438 | w->at = w->repeat; |
1834 | w->at = w->repeat; |
1439 | ev_timer_start (EV_A_ w); |
1835 | ev_timer_start (EV_A_ w); |
1440 | } |
1836 | } |
1441 | } |
1837 | } |
1442 | |
1838 | |
1443 | #if EV_PERIODICS |
1839 | #if EV_PERIODIC_ENABLE |
1444 | void |
1840 | void noinline |
1445 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1841 | ev_periodic_start (EV_P_ ev_periodic *w) |
1446 | { |
1842 | { |
1447 | if (expect_false (ev_is_active (w))) |
1843 | if (expect_false (ev_is_active (w))) |
1448 | return; |
1844 | return; |
1449 | |
1845 | |
1450 | if (w->reschedule_cb) |
1846 | if (w->reschedule_cb) |
1451 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1847 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1452 | else if (w->interval) |
1848 | else if (w->interval) |
1453 | { |
1849 | { |
1454 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1850 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1455 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1851 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1456 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1852 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1457 | } |
1853 | } |
|
|
1854 | else |
|
|
1855 | ((WT)w)->at = w->offset; |
1458 | |
1856 | |
1459 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1857 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1460 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1858 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1461 | periodics [periodiccnt - 1] = w; |
1859 | periodics [periodiccnt - 1] = (WT)w; |
1462 | upheap ((WT *)periodics, periodiccnt - 1); |
1860 | upheap (periodics, periodiccnt - 1); |
1463 | |
1861 | |
1464 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1862 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1465 | } |
1863 | } |
1466 | |
1864 | |
1467 | void |
1865 | void noinline |
1468 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1866 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1469 | { |
1867 | { |
1470 | ev_clear_pending (EV_A_ (W)w); |
1868 | clear_pending (EV_A_ (W)w); |
1471 | if (expect_false (!ev_is_active (w))) |
1869 | if (expect_false (!ev_is_active (w))) |
1472 | return; |
1870 | return; |
1473 | |
1871 | |
1474 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1872 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1475 | |
1873 | |
|
|
1874 | { |
|
|
1875 | int active = ((W)w)->active; |
|
|
1876 | |
1476 | if (expect_true (((W)w)->active < periodiccnt--)) |
1877 | if (expect_true (--active < --periodiccnt)) |
1477 | { |
1878 | { |
1478 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1879 | periodics [active] = periodics [periodiccnt]; |
1479 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1880 | adjustheap (periodics, periodiccnt, active); |
1480 | } |
1881 | } |
|
|
1882 | } |
1481 | |
1883 | |
1482 | ev_stop (EV_A_ (W)w); |
1884 | ev_stop (EV_A_ (W)w); |
1483 | } |
1885 | } |
1484 | |
1886 | |
1485 | void |
1887 | void noinline |
1486 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1888 | ev_periodic_again (EV_P_ ev_periodic *w) |
1487 | { |
1889 | { |
1488 | /* TODO: use adjustheap and recalculation */ |
1890 | /* TODO: use adjustheap and recalculation */ |
1489 | ev_periodic_stop (EV_A_ w); |
1891 | ev_periodic_stop (EV_A_ w); |
1490 | ev_periodic_start (EV_A_ w); |
1892 | ev_periodic_start (EV_A_ w); |
1491 | } |
1893 | } |
1492 | #endif |
1894 | #endif |
1493 | |
1895 | |
1494 | void |
|
|
1495 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1496 | { |
|
|
1497 | if (expect_false (ev_is_active (w))) |
|
|
1498 | return; |
|
|
1499 | |
|
|
1500 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1501 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
|
|
1502 | idles [idlecnt - 1] = w; |
|
|
1503 | } |
|
|
1504 | |
|
|
1505 | void |
|
|
1506 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1507 | { |
|
|
1508 | ev_clear_pending (EV_A_ (W)w); |
|
|
1509 | if (expect_false (!ev_is_active (w))) |
|
|
1510 | return; |
|
|
1511 | |
|
|
1512 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1513 | ev_stop (EV_A_ (W)w); |
|
|
1514 | } |
|
|
1515 | |
|
|
1516 | void |
|
|
1517 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1518 | { |
|
|
1519 | if (expect_false (ev_is_active (w))) |
|
|
1520 | return; |
|
|
1521 | |
|
|
1522 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1523 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
1524 | prepares [preparecnt - 1] = w; |
|
|
1525 | } |
|
|
1526 | |
|
|
1527 | void |
|
|
1528 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1529 | { |
|
|
1530 | ev_clear_pending (EV_A_ (W)w); |
|
|
1531 | if (expect_false (!ev_is_active (w))) |
|
|
1532 | return; |
|
|
1533 | |
|
|
1534 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1535 | ev_stop (EV_A_ (W)w); |
|
|
1536 | } |
|
|
1537 | |
|
|
1538 | void |
|
|
1539 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1540 | { |
|
|
1541 | if (expect_false (ev_is_active (w))) |
|
|
1542 | return; |
|
|
1543 | |
|
|
1544 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1545 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
1546 | checks [checkcnt - 1] = w; |
|
|
1547 | } |
|
|
1548 | |
|
|
1549 | void |
|
|
1550 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1551 | { |
|
|
1552 | ev_clear_pending (EV_A_ (W)w); |
|
|
1553 | if (expect_false (!ev_is_active (w))) |
|
|
1554 | return; |
|
|
1555 | |
|
|
1556 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1557 | ev_stop (EV_A_ (W)w); |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | #ifndef SA_RESTART |
1896 | #ifndef SA_RESTART |
1561 | # define SA_RESTART 0 |
1897 | # define SA_RESTART 0 |
1562 | #endif |
1898 | #endif |
1563 | |
1899 | |
1564 | void |
1900 | void noinline |
1565 | ev_signal_start (EV_P_ struct ev_signal *w) |
1901 | ev_signal_start (EV_P_ ev_signal *w) |
1566 | { |
1902 | { |
1567 | #if EV_MULTIPLICITY |
1903 | #if EV_MULTIPLICITY |
1568 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1904 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1569 | #endif |
1905 | #endif |
1570 | if (expect_false (ev_is_active (w))) |
1906 | if (expect_false (ev_is_active (w))) |
1571 | return; |
1907 | return; |
1572 | |
1908 | |
1573 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1909 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1574 | |
1910 | |
|
|
1911 | evpipe_init (EV_A); |
|
|
1912 | |
|
|
1913 | { |
|
|
1914 | #ifndef _WIN32 |
|
|
1915 | sigset_t full, prev; |
|
|
1916 | sigfillset (&full); |
|
|
1917 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1918 | #endif |
|
|
1919 | |
|
|
1920 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1921 | |
|
|
1922 | #ifndef _WIN32 |
|
|
1923 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1924 | #endif |
|
|
1925 | } |
|
|
1926 | |
1575 | ev_start (EV_A_ (W)w, 1); |
1927 | ev_start (EV_A_ (W)w, 1); |
1576 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1577 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1928 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1578 | |
1929 | |
1579 | if (!((WL)w)->next) |
1930 | if (!((WL)w)->next) |
1580 | { |
1931 | { |
1581 | #if _WIN32 |
1932 | #if _WIN32 |
1582 | signal (w->signum, sighandler); |
1933 | signal (w->signum, sighandler); |
… | |
… | |
1588 | sigaction (w->signum, &sa, 0); |
1939 | sigaction (w->signum, &sa, 0); |
1589 | #endif |
1940 | #endif |
1590 | } |
1941 | } |
1591 | } |
1942 | } |
1592 | |
1943 | |
1593 | void |
1944 | void noinline |
1594 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1945 | ev_signal_stop (EV_P_ ev_signal *w) |
1595 | { |
1946 | { |
1596 | ev_clear_pending (EV_A_ (W)w); |
1947 | clear_pending (EV_A_ (W)w); |
1597 | if (expect_false (!ev_is_active (w))) |
1948 | if (expect_false (!ev_is_active (w))) |
1598 | return; |
1949 | return; |
1599 | |
1950 | |
1600 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1951 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1601 | ev_stop (EV_A_ (W)w); |
1952 | ev_stop (EV_A_ (W)w); |
1602 | |
1953 | |
1603 | if (!signals [w->signum - 1].head) |
1954 | if (!signals [w->signum - 1].head) |
1604 | signal (w->signum, SIG_DFL); |
1955 | signal (w->signum, SIG_DFL); |
1605 | } |
1956 | } |
1606 | |
1957 | |
1607 | void |
1958 | void |
1608 | ev_child_start (EV_P_ struct ev_child *w) |
1959 | ev_child_start (EV_P_ ev_child *w) |
1609 | { |
1960 | { |
1610 | #if EV_MULTIPLICITY |
1961 | #if EV_MULTIPLICITY |
1611 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1962 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1612 | #endif |
1963 | #endif |
1613 | if (expect_false (ev_is_active (w))) |
1964 | if (expect_false (ev_is_active (w))) |
1614 | return; |
1965 | return; |
1615 | |
1966 | |
1616 | ev_start (EV_A_ (W)w, 1); |
1967 | ev_start (EV_A_ (W)w, 1); |
1617 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1968 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1618 | } |
1969 | } |
1619 | |
1970 | |
1620 | void |
1971 | void |
1621 | ev_child_stop (EV_P_ struct ev_child *w) |
1972 | ev_child_stop (EV_P_ ev_child *w) |
1622 | { |
1973 | { |
1623 | ev_clear_pending (EV_A_ (W)w); |
1974 | clear_pending (EV_A_ (W)w); |
1624 | if (expect_false (!ev_is_active (w))) |
1975 | if (expect_false (!ev_is_active (w))) |
1625 | return; |
1976 | return; |
1626 | |
1977 | |
1627 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1978 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1628 | ev_stop (EV_A_ (W)w); |
1979 | ev_stop (EV_A_ (W)w); |
1629 | } |
1980 | } |
1630 | |
1981 | |
|
|
1982 | #if EV_STAT_ENABLE |
|
|
1983 | |
|
|
1984 | # ifdef _WIN32 |
|
|
1985 | # undef lstat |
|
|
1986 | # define lstat(a,b) _stati64 (a,b) |
|
|
1987 | # endif |
|
|
1988 | |
|
|
1989 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1990 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1991 | |
|
|
1992 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1993 | |
|
|
1994 | #if EV_USE_INOTIFY |
|
|
1995 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1996 | |
|
|
1997 | static void noinline |
|
|
1998 | infy_add (EV_P_ ev_stat *w) |
|
|
1999 | { |
|
|
2000 | 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); |
|
|
2001 | |
|
|
2002 | if (w->wd < 0) |
|
|
2003 | { |
|
|
2004 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
2005 | |
|
|
2006 | /* monitor some parent directory for speedup hints */ |
|
|
2007 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
2008 | { |
|
|
2009 | char path [4096]; |
|
|
2010 | strcpy (path, w->path); |
|
|
2011 | |
|
|
2012 | do |
|
|
2013 | { |
|
|
2014 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
2015 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
2016 | |
|
|
2017 | char *pend = strrchr (path, '/'); |
|
|
2018 | |
|
|
2019 | if (!pend) |
|
|
2020 | break; /* whoops, no '/', complain to your admin */ |
|
|
2021 | |
|
|
2022 | *pend = 0; |
|
|
2023 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
2024 | } |
|
|
2025 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
2026 | } |
|
|
2027 | } |
|
|
2028 | else |
|
|
2029 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
2030 | |
|
|
2031 | if (w->wd >= 0) |
|
|
2032 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2033 | } |
|
|
2034 | |
|
|
2035 | static void noinline |
|
|
2036 | infy_del (EV_P_ ev_stat *w) |
|
|
2037 | { |
|
|
2038 | int slot; |
|
|
2039 | int wd = w->wd; |
|
|
2040 | |
|
|
2041 | if (wd < 0) |
|
|
2042 | return; |
|
|
2043 | |
|
|
2044 | w->wd = -2; |
|
|
2045 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
2046 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
2047 | |
|
|
2048 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
2049 | inotify_rm_watch (fs_fd, wd); |
|
|
2050 | } |
|
|
2051 | |
|
|
2052 | static void noinline |
|
|
2053 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
2054 | { |
|
|
2055 | if (slot < 0) |
|
|
2056 | /* overflow, need to check for all hahs slots */ |
|
|
2057 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
2058 | infy_wd (EV_A_ slot, wd, ev); |
|
|
2059 | else |
|
|
2060 | { |
|
|
2061 | WL w_; |
|
|
2062 | |
|
|
2063 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
2064 | { |
|
|
2065 | ev_stat *w = (ev_stat *)w_; |
|
|
2066 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
2067 | |
|
|
2068 | if (w->wd == wd || wd == -1) |
|
|
2069 | { |
|
|
2070 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
2071 | { |
|
|
2072 | w->wd = -1; |
|
|
2073 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
2074 | } |
|
|
2075 | |
|
|
2076 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
2077 | } |
|
|
2078 | } |
|
|
2079 | } |
|
|
2080 | } |
|
|
2081 | |
|
|
2082 | static void |
|
|
2083 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
2084 | { |
|
|
2085 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
2086 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2087 | int ofs; |
|
|
2088 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
2089 | |
|
|
2090 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
2091 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | void inline_size |
|
|
2095 | infy_init (EV_P) |
|
|
2096 | { |
|
|
2097 | if (fs_fd != -2) |
|
|
2098 | return; |
|
|
2099 | |
|
|
2100 | fs_fd = inotify_init (); |
|
|
2101 | |
|
|
2102 | if (fs_fd >= 0) |
|
|
2103 | { |
|
|
2104 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
2105 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
2106 | ev_io_start (EV_A_ &fs_w); |
|
|
2107 | } |
|
|
2108 | } |
|
|
2109 | |
|
|
2110 | void inline_size |
|
|
2111 | infy_fork (EV_P) |
|
|
2112 | { |
|
|
2113 | int slot; |
|
|
2114 | |
|
|
2115 | if (fs_fd < 0) |
|
|
2116 | return; |
|
|
2117 | |
|
|
2118 | close (fs_fd); |
|
|
2119 | fs_fd = inotify_init (); |
|
|
2120 | |
|
|
2121 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
2122 | { |
|
|
2123 | WL w_ = fs_hash [slot].head; |
|
|
2124 | fs_hash [slot].head = 0; |
|
|
2125 | |
|
|
2126 | while (w_) |
|
|
2127 | { |
|
|
2128 | ev_stat *w = (ev_stat *)w_; |
|
|
2129 | w_ = w_->next; /* lets us add this watcher */ |
|
|
2130 | |
|
|
2131 | w->wd = -1; |
|
|
2132 | |
|
|
2133 | if (fs_fd >= 0) |
|
|
2134 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
2135 | else |
|
|
2136 | ev_timer_start (EV_A_ &w->timer); |
|
|
2137 | } |
|
|
2138 | |
|
|
2139 | } |
|
|
2140 | } |
|
|
2141 | |
|
|
2142 | #endif |
|
|
2143 | |
|
|
2144 | void |
|
|
2145 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
2146 | { |
|
|
2147 | if (lstat (w->path, &w->attr) < 0) |
|
|
2148 | w->attr.st_nlink = 0; |
|
|
2149 | else if (!w->attr.st_nlink) |
|
|
2150 | w->attr.st_nlink = 1; |
|
|
2151 | } |
|
|
2152 | |
|
|
2153 | static void noinline |
|
|
2154 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
2155 | { |
|
|
2156 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
2157 | |
|
|
2158 | /* we copy this here each the time so that */ |
|
|
2159 | /* prev has the old value when the callback gets invoked */ |
|
|
2160 | w->prev = w->attr; |
|
|
2161 | ev_stat_stat (EV_A_ w); |
|
|
2162 | |
|
|
2163 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2164 | if ( |
|
|
2165 | w->prev.st_dev != w->attr.st_dev |
|
|
2166 | || w->prev.st_ino != w->attr.st_ino |
|
|
2167 | || w->prev.st_mode != w->attr.st_mode |
|
|
2168 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2169 | || w->prev.st_uid != w->attr.st_uid |
|
|
2170 | || w->prev.st_gid != w->attr.st_gid |
|
|
2171 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2172 | || w->prev.st_size != w->attr.st_size |
|
|
2173 | || w->prev.st_atime != w->attr.st_atime |
|
|
2174 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2175 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2176 | ) { |
|
|
2177 | #if EV_USE_INOTIFY |
|
|
2178 | infy_del (EV_A_ w); |
|
|
2179 | infy_add (EV_A_ w); |
|
|
2180 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2181 | #endif |
|
|
2182 | |
|
|
2183 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2184 | } |
|
|
2185 | } |
|
|
2186 | |
|
|
2187 | void |
|
|
2188 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
2189 | { |
|
|
2190 | if (expect_false (ev_is_active (w))) |
|
|
2191 | return; |
|
|
2192 | |
|
|
2193 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2194 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2195 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2196 | |
|
|
2197 | ev_stat_stat (EV_A_ w); |
|
|
2198 | |
|
|
2199 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
2200 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2201 | |
|
|
2202 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
2203 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2204 | |
|
|
2205 | #if EV_USE_INOTIFY |
|
|
2206 | infy_init (EV_A); |
|
|
2207 | |
|
|
2208 | if (fs_fd >= 0) |
|
|
2209 | infy_add (EV_A_ w); |
|
|
2210 | else |
|
|
2211 | #endif |
|
|
2212 | ev_timer_start (EV_A_ &w->timer); |
|
|
2213 | |
|
|
2214 | ev_start (EV_A_ (W)w, 1); |
|
|
2215 | } |
|
|
2216 | |
|
|
2217 | void |
|
|
2218 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
2219 | { |
|
|
2220 | clear_pending (EV_A_ (W)w); |
|
|
2221 | if (expect_false (!ev_is_active (w))) |
|
|
2222 | return; |
|
|
2223 | |
|
|
2224 | #if EV_USE_INOTIFY |
|
|
2225 | infy_del (EV_A_ w); |
|
|
2226 | #endif |
|
|
2227 | ev_timer_stop (EV_A_ &w->timer); |
|
|
2228 | |
|
|
2229 | ev_stop (EV_A_ (W)w); |
|
|
2230 | } |
|
|
2231 | #endif |
|
|
2232 | |
|
|
2233 | #if EV_IDLE_ENABLE |
|
|
2234 | void |
|
|
2235 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
2236 | { |
|
|
2237 | if (expect_false (ev_is_active (w))) |
|
|
2238 | return; |
|
|
2239 | |
|
|
2240 | pri_adjust (EV_A_ (W)w); |
|
|
2241 | |
|
|
2242 | { |
|
|
2243 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2244 | |
|
|
2245 | ++idleall; |
|
|
2246 | ev_start (EV_A_ (W)w, active); |
|
|
2247 | |
|
|
2248 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
|
|
2249 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2250 | } |
|
|
2251 | } |
|
|
2252 | |
|
|
2253 | void |
|
|
2254 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2255 | { |
|
|
2256 | clear_pending (EV_A_ (W)w); |
|
|
2257 | if (expect_false (!ev_is_active (w))) |
|
|
2258 | return; |
|
|
2259 | |
|
|
2260 | { |
|
|
2261 | int active = ((W)w)->active; |
|
|
2262 | |
|
|
2263 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2264 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2265 | |
|
|
2266 | ev_stop (EV_A_ (W)w); |
|
|
2267 | --idleall; |
|
|
2268 | } |
|
|
2269 | } |
|
|
2270 | #endif |
|
|
2271 | |
|
|
2272 | void |
|
|
2273 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2274 | { |
|
|
2275 | if (expect_false (ev_is_active (w))) |
|
|
2276 | return; |
|
|
2277 | |
|
|
2278 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2279 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2280 | prepares [preparecnt - 1] = w; |
|
|
2281 | } |
|
|
2282 | |
|
|
2283 | void |
|
|
2284 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2285 | { |
|
|
2286 | clear_pending (EV_A_ (W)w); |
|
|
2287 | if (expect_false (!ev_is_active (w))) |
|
|
2288 | return; |
|
|
2289 | |
|
|
2290 | { |
|
|
2291 | int active = ((W)w)->active; |
|
|
2292 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2293 | ((W)prepares [active - 1])->active = active; |
|
|
2294 | } |
|
|
2295 | |
|
|
2296 | ev_stop (EV_A_ (W)w); |
|
|
2297 | } |
|
|
2298 | |
|
|
2299 | void |
|
|
2300 | ev_check_start (EV_P_ ev_check *w) |
|
|
2301 | { |
|
|
2302 | if (expect_false (ev_is_active (w))) |
|
|
2303 | return; |
|
|
2304 | |
|
|
2305 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2306 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2307 | checks [checkcnt - 1] = w; |
|
|
2308 | } |
|
|
2309 | |
|
|
2310 | void |
|
|
2311 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2312 | { |
|
|
2313 | clear_pending (EV_A_ (W)w); |
|
|
2314 | if (expect_false (!ev_is_active (w))) |
|
|
2315 | return; |
|
|
2316 | |
|
|
2317 | { |
|
|
2318 | int active = ((W)w)->active; |
|
|
2319 | checks [active - 1] = checks [--checkcnt]; |
|
|
2320 | ((W)checks [active - 1])->active = active; |
|
|
2321 | } |
|
|
2322 | |
|
|
2323 | ev_stop (EV_A_ (W)w); |
|
|
2324 | } |
|
|
2325 | |
|
|
2326 | #if EV_EMBED_ENABLE |
|
|
2327 | void noinline |
|
|
2328 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
2329 | { |
|
|
2330 | ev_loop (w->other, EVLOOP_NONBLOCK); |
|
|
2331 | } |
|
|
2332 | |
|
|
2333 | static void |
|
|
2334 | embed_io_cb (EV_P_ ev_io *io, int revents) |
|
|
2335 | { |
|
|
2336 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
2337 | |
|
|
2338 | if (ev_cb (w)) |
|
|
2339 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
2340 | else |
|
|
2341 | ev_loop (w->other, EVLOOP_NONBLOCK); |
|
|
2342 | } |
|
|
2343 | |
|
|
2344 | static void |
|
|
2345 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2346 | { |
|
|
2347 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2348 | |
|
|
2349 | { |
|
|
2350 | struct ev_loop *loop = w->other; |
|
|
2351 | |
|
|
2352 | while (fdchangecnt) |
|
|
2353 | { |
|
|
2354 | fd_reify (EV_A); |
|
|
2355 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2356 | } |
|
|
2357 | } |
|
|
2358 | } |
|
|
2359 | |
|
|
2360 | #if 0 |
|
|
2361 | static void |
|
|
2362 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2363 | { |
|
|
2364 | ev_idle_stop (EV_A_ idle); |
|
|
2365 | } |
|
|
2366 | #endif |
|
|
2367 | |
|
|
2368 | void |
|
|
2369 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
2370 | { |
|
|
2371 | if (expect_false (ev_is_active (w))) |
|
|
2372 | return; |
|
|
2373 | |
|
|
2374 | { |
|
|
2375 | struct ev_loop *loop = w->other; |
|
|
2376 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
2377 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
|
|
2378 | } |
|
|
2379 | |
|
|
2380 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
2381 | ev_io_start (EV_A_ &w->io); |
|
|
2382 | |
|
|
2383 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2384 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2385 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2386 | |
|
|
2387 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2388 | |
|
|
2389 | ev_start (EV_A_ (W)w, 1); |
|
|
2390 | } |
|
|
2391 | |
|
|
2392 | void |
|
|
2393 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
2394 | { |
|
|
2395 | clear_pending (EV_A_ (W)w); |
|
|
2396 | if (expect_false (!ev_is_active (w))) |
|
|
2397 | return; |
|
|
2398 | |
|
|
2399 | ev_io_stop (EV_A_ &w->io); |
|
|
2400 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2401 | |
|
|
2402 | ev_stop (EV_A_ (W)w); |
|
|
2403 | } |
|
|
2404 | #endif |
|
|
2405 | |
|
|
2406 | #if EV_FORK_ENABLE |
|
|
2407 | void |
|
|
2408 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2409 | { |
|
|
2410 | if (expect_false (ev_is_active (w))) |
|
|
2411 | return; |
|
|
2412 | |
|
|
2413 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2414 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2415 | forks [forkcnt - 1] = w; |
|
|
2416 | } |
|
|
2417 | |
|
|
2418 | void |
|
|
2419 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2420 | { |
|
|
2421 | clear_pending (EV_A_ (W)w); |
|
|
2422 | if (expect_false (!ev_is_active (w))) |
|
|
2423 | return; |
|
|
2424 | |
|
|
2425 | { |
|
|
2426 | int active = ((W)w)->active; |
|
|
2427 | forks [active - 1] = forks [--forkcnt]; |
|
|
2428 | ((W)forks [active - 1])->active = active; |
|
|
2429 | } |
|
|
2430 | |
|
|
2431 | ev_stop (EV_A_ (W)w); |
|
|
2432 | } |
|
|
2433 | #endif |
|
|
2434 | |
|
|
2435 | #if EV_ASYNC_ENABLE |
|
|
2436 | void |
|
|
2437 | ev_async_start (EV_P_ ev_async *w) |
|
|
2438 | { |
|
|
2439 | if (expect_false (ev_is_active (w))) |
|
|
2440 | return; |
|
|
2441 | |
|
|
2442 | evpipe_init (EV_A); |
|
|
2443 | |
|
|
2444 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
2445 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
2446 | asyncs [asynccnt - 1] = w; |
|
|
2447 | } |
|
|
2448 | |
|
|
2449 | void |
|
|
2450 | ev_async_stop (EV_P_ ev_async *w) |
|
|
2451 | { |
|
|
2452 | clear_pending (EV_A_ (W)w); |
|
|
2453 | if (expect_false (!ev_is_active (w))) |
|
|
2454 | return; |
|
|
2455 | |
|
|
2456 | { |
|
|
2457 | int active = ((W)w)->active; |
|
|
2458 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
2459 | ((W)asyncs [active - 1])->active = active; |
|
|
2460 | } |
|
|
2461 | |
|
|
2462 | ev_stop (EV_A_ (W)w); |
|
|
2463 | } |
|
|
2464 | |
|
|
2465 | void |
|
|
2466 | ev_async_send (EV_P_ ev_async *w) |
|
|
2467 | { |
|
|
2468 | w->sent = 1; |
|
|
2469 | evpipe_write (EV_A_ 0, 1); |
|
|
2470 | } |
|
|
2471 | #endif |
|
|
2472 | |
1631 | /*****************************************************************************/ |
2473 | /*****************************************************************************/ |
1632 | |
2474 | |
1633 | struct ev_once |
2475 | struct ev_once |
1634 | { |
2476 | { |
1635 | struct ev_io io; |
2477 | ev_io io; |
1636 | struct ev_timer to; |
2478 | ev_timer to; |
1637 | void (*cb)(int revents, void *arg); |
2479 | void (*cb)(int revents, void *arg); |
1638 | void *arg; |
2480 | void *arg; |
1639 | }; |
2481 | }; |
1640 | |
2482 | |
1641 | static void |
2483 | static void |
… | |
… | |
1650 | |
2492 | |
1651 | cb (revents, arg); |
2493 | cb (revents, arg); |
1652 | } |
2494 | } |
1653 | |
2495 | |
1654 | static void |
2496 | static void |
1655 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2497 | once_cb_io (EV_P_ ev_io *w, int revents) |
1656 | { |
2498 | { |
1657 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2499 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1658 | } |
2500 | } |
1659 | |
2501 | |
1660 | static void |
2502 | static void |
1661 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2503 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1662 | { |
2504 | { |
1663 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2505 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1664 | } |
2506 | } |
1665 | |
2507 | |
1666 | void |
2508 | void |
… | |
… | |
1690 | ev_timer_set (&once->to, timeout, 0.); |
2532 | ev_timer_set (&once->to, timeout, 0.); |
1691 | ev_timer_start (EV_A_ &once->to); |
2533 | ev_timer_start (EV_A_ &once->to); |
1692 | } |
2534 | } |
1693 | } |
2535 | } |
1694 | |
2536 | |
|
|
2537 | #if EV_MULTIPLICITY |
|
|
2538 | #include "ev_wrap.h" |
|
|
2539 | #endif |
|
|
2540 | |
1695 | #ifdef __cplusplus |
2541 | #ifdef __cplusplus |
1696 | } |
2542 | } |
1697 | #endif |
2543 | #endif |
1698 | |
2544 | |