1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 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 | |
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44 | /* this big block deduces configuration from config.h */ |
36 | #ifndef EV_STANDALONE |
45 | #ifndef EV_STANDALONE |
37 | # ifdef EV_CONFIG_H |
46 | # ifdef EV_CONFIG_H |
38 | # include EV_CONFIG_H |
47 | # include EV_CONFIG_H |
39 | # else |
48 | # else |
40 | # include "config.h" |
49 | # include "config.h" |
41 | # endif |
50 | # endif |
42 | |
51 | |
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52 | # if HAVE_CLOCK_SYSCALL |
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53 | # ifndef EV_USE_CLOCK_SYSCALL |
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54 | # define EV_USE_CLOCK_SYSCALL 1 |
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55 | # ifndef EV_USE_REALTIME |
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56 | # define EV_USE_REALTIME 0 |
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57 | # endif |
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58 | # ifndef EV_USE_MONOTONIC |
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59 | # define EV_USE_MONOTONIC 1 |
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60 | # endif |
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61 | # endif |
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62 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
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63 | # define EV_USE_CLOCK_SYSCALL 0 |
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64 | # endif |
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65 | |
43 | # if HAVE_CLOCK_GETTIME |
66 | # if HAVE_CLOCK_GETTIME |
44 | # ifndef EV_USE_MONOTONIC |
67 | # ifndef EV_USE_MONOTONIC |
45 | # define EV_USE_MONOTONIC 1 |
68 | # define EV_USE_MONOTONIC 1 |
46 | # endif |
69 | # endif |
47 | # ifndef EV_USE_REALTIME |
70 | # ifndef EV_USE_REALTIME |
48 | # define EV_USE_REALTIME 1 |
71 | # define EV_USE_REALTIME 0 |
49 | # endif |
72 | # endif |
50 | # else |
73 | # else |
51 | # ifndef EV_USE_MONOTONIC |
74 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
75 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
76 | # endif |
… | |
… | |
110 | # else |
133 | # else |
111 | # define EV_USE_INOTIFY 0 |
134 | # define EV_USE_INOTIFY 0 |
112 | # endif |
135 | # endif |
113 | # endif |
136 | # endif |
114 | |
137 | |
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138 | # ifndef EV_USE_SIGNALFD |
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139 | # if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H |
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140 | # define EV_USE_SIGNALFD 1 |
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141 | # else |
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142 | # define EV_USE_SIGNALFD 0 |
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143 | # endif |
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144 | # endif |
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145 | |
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146 | # ifndef EV_USE_EVENTFD |
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147 | # if HAVE_EVENTFD |
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148 | # define EV_USE_EVENTFD 1 |
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149 | # else |
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150 | # define EV_USE_EVENTFD 0 |
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151 | # endif |
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152 | # endif |
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153 | |
115 | #endif |
154 | #endif |
116 | |
155 | |
117 | #include <math.h> |
156 | #include <math.h> |
118 | #include <stdlib.h> |
157 | #include <stdlib.h> |
119 | #include <fcntl.h> |
158 | #include <fcntl.h> |
… | |
… | |
137 | #ifndef _WIN32 |
176 | #ifndef _WIN32 |
138 | # include <sys/time.h> |
177 | # include <sys/time.h> |
139 | # include <sys/wait.h> |
178 | # include <sys/wait.h> |
140 | # include <unistd.h> |
179 | # include <unistd.h> |
141 | #else |
180 | #else |
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181 | # include <io.h> |
142 | # define WIN32_LEAN_AND_MEAN |
182 | # define WIN32_LEAN_AND_MEAN |
143 | # include <windows.h> |
183 | # include <windows.h> |
144 | # ifndef EV_SELECT_IS_WINSOCKET |
184 | # ifndef EV_SELECT_IS_WINSOCKET |
145 | # define EV_SELECT_IS_WINSOCKET 1 |
185 | # define EV_SELECT_IS_WINSOCKET 1 |
146 | # endif |
186 | # endif |
147 | #endif |
187 | #endif |
148 | |
188 | |
149 | /**/ |
189 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
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190 | |
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191 | #ifndef EV_USE_CLOCK_SYSCALL |
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192 | # if __linux && __GLIBC__ >= 2 |
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193 | # define EV_USE_CLOCK_SYSCALL 1 |
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194 | # else |
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195 | # define EV_USE_CLOCK_SYSCALL 0 |
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196 | # endif |
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197 | #endif |
150 | |
198 | |
151 | #ifndef EV_USE_MONOTONIC |
199 | #ifndef EV_USE_MONOTONIC |
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200 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
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201 | # define EV_USE_MONOTONIC 1 |
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202 | # else |
152 | # define EV_USE_MONOTONIC 0 |
203 | # define EV_USE_MONOTONIC 0 |
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204 | # endif |
153 | #endif |
205 | #endif |
154 | |
206 | |
155 | #ifndef EV_USE_REALTIME |
207 | #ifndef EV_USE_REALTIME |
156 | # define EV_USE_REALTIME 0 |
208 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
157 | #endif |
209 | #endif |
158 | |
210 | |
159 | #ifndef EV_USE_NANOSLEEP |
211 | #ifndef EV_USE_NANOSLEEP |
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212 | # if _POSIX_C_SOURCE >= 199309L |
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213 | # define EV_USE_NANOSLEEP 1 |
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214 | # else |
160 | # define EV_USE_NANOSLEEP 0 |
215 | # define EV_USE_NANOSLEEP 0 |
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216 | # endif |
161 | #endif |
217 | #endif |
162 | |
218 | |
163 | #ifndef EV_USE_SELECT |
219 | #ifndef EV_USE_SELECT |
164 | # define EV_USE_SELECT 1 |
220 | # define EV_USE_SELECT 1 |
165 | #endif |
221 | #endif |
… | |
… | |
171 | # define EV_USE_POLL 1 |
227 | # define EV_USE_POLL 1 |
172 | # endif |
228 | # endif |
173 | #endif |
229 | #endif |
174 | |
230 | |
175 | #ifndef EV_USE_EPOLL |
231 | #ifndef EV_USE_EPOLL |
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232 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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233 | # define EV_USE_EPOLL 1 |
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234 | # else |
176 | # define EV_USE_EPOLL 0 |
235 | # define EV_USE_EPOLL 0 |
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236 | # endif |
177 | #endif |
237 | #endif |
178 | |
238 | |
179 | #ifndef EV_USE_KQUEUE |
239 | #ifndef EV_USE_KQUEUE |
180 | # define EV_USE_KQUEUE 0 |
240 | # define EV_USE_KQUEUE 0 |
181 | #endif |
241 | #endif |
… | |
… | |
183 | #ifndef EV_USE_PORT |
243 | #ifndef EV_USE_PORT |
184 | # define EV_USE_PORT 0 |
244 | # define EV_USE_PORT 0 |
185 | #endif |
245 | #endif |
186 | |
246 | |
187 | #ifndef EV_USE_INOTIFY |
247 | #ifndef EV_USE_INOTIFY |
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248 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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249 | # define EV_USE_INOTIFY 1 |
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250 | # else |
188 | # define EV_USE_INOTIFY 0 |
251 | # define EV_USE_INOTIFY 0 |
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252 | # endif |
189 | #endif |
253 | #endif |
190 | |
254 | |
191 | #ifndef EV_PID_HASHSIZE |
255 | #ifndef EV_PID_HASHSIZE |
192 | # if EV_MINIMAL |
256 | # if EV_MINIMAL |
193 | # define EV_PID_HASHSIZE 1 |
257 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
202 | # else |
266 | # else |
203 | # define EV_INOTIFY_HASHSIZE 16 |
267 | # define EV_INOTIFY_HASHSIZE 16 |
204 | # endif |
268 | # endif |
205 | #endif |
269 | #endif |
206 | |
270 | |
207 | /**/ |
271 | #ifndef EV_USE_EVENTFD |
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272 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
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273 | # define EV_USE_EVENTFD 1 |
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274 | # else |
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275 | # define EV_USE_EVENTFD 0 |
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276 | # endif |
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277 | #endif |
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278 | |
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279 | #ifndef EV_USE_SIGNALFD |
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280 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) |
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281 | # define EV_USE_SIGNALFD 1 |
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282 | # else |
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283 | # define EV_USE_SIGNALFD 0 |
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284 | # endif |
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285 | #endif |
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286 | |
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287 | #if 0 /* debugging */ |
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288 | # define EV_VERIFY 3 |
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289 | # define EV_USE_4HEAP 1 |
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290 | # define EV_HEAP_CACHE_AT 1 |
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291 | #endif |
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292 | |
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293 | #ifndef EV_VERIFY |
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294 | # define EV_VERIFY !EV_MINIMAL |
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295 | #endif |
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296 | |
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297 | #ifndef EV_USE_4HEAP |
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298 | # define EV_USE_4HEAP !EV_MINIMAL |
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299 | #endif |
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300 | |
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301 | #ifndef EV_HEAP_CACHE_AT |
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302 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
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303 | #endif |
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304 | |
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305 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
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306 | /* which makes programs even slower. might work on other unices, too. */ |
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307 | #if EV_USE_CLOCK_SYSCALL |
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308 | # include <syscall.h> |
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309 | # ifdef SYS_clock_gettime |
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310 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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311 | # undef EV_USE_MONOTONIC |
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312 | # define EV_USE_MONOTONIC 1 |
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313 | # else |
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314 | # undef EV_USE_CLOCK_SYSCALL |
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315 | # define EV_USE_CLOCK_SYSCALL 0 |
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316 | # endif |
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317 | #endif |
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318 | |
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319 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
208 | |
320 | |
209 | #ifndef CLOCK_MONOTONIC |
321 | #ifndef CLOCK_MONOTONIC |
210 | # undef EV_USE_MONOTONIC |
322 | # undef EV_USE_MONOTONIC |
211 | # define EV_USE_MONOTONIC 0 |
323 | # define EV_USE_MONOTONIC 0 |
212 | #endif |
324 | #endif |
… | |
… | |
226 | # include <sys/select.h> |
338 | # include <sys/select.h> |
227 | # endif |
339 | # endif |
228 | #endif |
340 | #endif |
229 | |
341 | |
230 | #if EV_USE_INOTIFY |
342 | #if EV_USE_INOTIFY |
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343 | # include <sys/utsname.h> |
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344 | # include <sys/statfs.h> |
231 | # include <sys/inotify.h> |
345 | # include <sys/inotify.h> |
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346 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
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347 | # ifndef IN_DONT_FOLLOW |
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348 | # undef EV_USE_INOTIFY |
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349 | # define EV_USE_INOTIFY 0 |
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350 | # endif |
232 | #endif |
351 | #endif |
233 | |
352 | |
234 | #if EV_SELECT_IS_WINSOCKET |
353 | #if EV_SELECT_IS_WINSOCKET |
235 | # include <winsock.h> |
354 | # include <winsock.h> |
236 | #endif |
355 | #endif |
237 | |
356 | |
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357 | #if EV_USE_EVENTFD |
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358 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
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359 | # include <stdint.h> |
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360 | # ifndef EFD_NONBLOCK |
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361 | # define EFD_NONBLOCK O_NONBLOCK |
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362 | # endif |
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363 | # ifndef EFD_CLOEXEC |
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364 | # define EFD_CLOEXEC O_CLOEXEC |
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365 | # endif |
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366 | # ifdef __cplusplus |
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367 | extern "C" { |
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368 | # endif |
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369 | int eventfd (unsigned int initval, int flags); |
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370 | # ifdef __cplusplus |
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371 | } |
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372 | # endif |
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373 | #endif |
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374 | |
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375 | #if EV_USE_SIGNALFD |
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376 | # include <sys/signalfd.h> |
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377 | #endif |
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378 | |
238 | /**/ |
379 | /**/ |
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380 | |
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381 | #if EV_VERIFY >= 3 |
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382 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
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383 | #else |
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384 | # define EV_FREQUENT_CHECK do { } while (0) |
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385 | #endif |
239 | |
386 | |
240 | /* |
387 | /* |
241 | * This is used to avoid floating point rounding problems. |
388 | * This is used to avoid floating point rounding problems. |
242 | * It is added to ev_rt_now when scheduling periodics |
389 | * It is added to ev_rt_now when scheduling periodics |
243 | * to ensure progress, time-wise, even when rounding |
390 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
255 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
402 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
256 | # define noinline __attribute__ ((noinline)) |
403 | # define noinline __attribute__ ((noinline)) |
257 | #else |
404 | #else |
258 | # define expect(expr,value) (expr) |
405 | # define expect(expr,value) (expr) |
259 | # define noinline |
406 | # define noinline |
260 | # if __STDC_VERSION__ < 199901L |
407 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
261 | # define inline |
408 | # define inline |
262 | # endif |
409 | # endif |
263 | #endif |
410 | #endif |
264 | |
411 | |
265 | #define expect_false(expr) expect ((expr) != 0, 0) |
412 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
270 | # define inline_speed static noinline |
417 | # define inline_speed static noinline |
271 | #else |
418 | #else |
272 | # define inline_speed static inline |
419 | # define inline_speed static inline |
273 | #endif |
420 | #endif |
274 | |
421 | |
275 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
422 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
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423 | |
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424 | #if EV_MINPRI == EV_MAXPRI |
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425 | # define ABSPRI(w) (((W)w), 0) |
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426 | #else |
276 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
427 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
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428 | #endif |
277 | |
429 | |
278 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
430 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
279 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
431 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
280 | |
432 | |
281 | typedef ev_watcher *W; |
433 | typedef ev_watcher *W; |
282 | typedef ev_watcher_list *WL; |
434 | typedef ev_watcher_list *WL; |
283 | typedef ev_watcher_time *WT; |
435 | typedef ev_watcher_time *WT; |
284 | |
436 | |
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437 | #define ev_active(w) ((W)(w))->active |
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438 | #define ev_at(w) ((WT)(w))->at |
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439 | |
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440 | #if EV_USE_REALTIME |
285 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
441 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
286 | /* giving it a reasonably high chance of working on typical architetcures */ |
442 | /* giving it a reasonably high chance of working on typical architetcures */ |
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443 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
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444 | #endif |
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445 | |
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446 | #if EV_USE_MONOTONIC |
287 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
447 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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448 | #endif |
288 | |
449 | |
289 | #ifdef _WIN32 |
450 | #ifdef _WIN32 |
290 | # include "ev_win32.c" |
451 | # include "ev_win32.c" |
291 | #endif |
452 | #endif |
292 | |
453 | |
… | |
… | |
299 | { |
460 | { |
300 | syserr_cb = cb; |
461 | syserr_cb = cb; |
301 | } |
462 | } |
302 | |
463 | |
303 | static void noinline |
464 | static void noinline |
304 | syserr (const char *msg) |
465 | ev_syserr (const char *msg) |
305 | { |
466 | { |
306 | if (!msg) |
467 | if (!msg) |
307 | msg = "(libev) system error"; |
468 | msg = "(libev) system error"; |
308 | |
469 | |
309 | if (syserr_cb) |
470 | if (syserr_cb) |
… | |
… | |
313 | perror (msg); |
474 | perror (msg); |
314 | abort (); |
475 | abort (); |
315 | } |
476 | } |
316 | } |
477 | } |
317 | |
478 | |
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479 | static void * |
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480 | ev_realloc_emul (void *ptr, long size) |
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481 | { |
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482 | /* some systems, notably openbsd and darwin, fail to properly |
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483 | * implement realloc (x, 0) (as required by both ansi c-98 and |
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484 | * the single unix specification, so work around them here. |
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485 | */ |
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486 | |
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487 | if (size) |
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488 | return realloc (ptr, size); |
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489 | |
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490 | free (ptr); |
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491 | return 0; |
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492 | } |
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493 | |
318 | static void *(*alloc)(void *ptr, long size); |
494 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
319 | |
495 | |
320 | void |
496 | void |
321 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
497 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
322 | { |
498 | { |
323 | alloc = cb; |
499 | alloc = cb; |
324 | } |
500 | } |
325 | |
501 | |
326 | inline_speed void * |
502 | inline_speed void * |
327 | ev_realloc (void *ptr, long size) |
503 | ev_realloc (void *ptr, long size) |
328 | { |
504 | { |
329 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
505 | ptr = alloc (ptr, size); |
330 | |
506 | |
331 | if (!ptr && size) |
507 | if (!ptr && size) |
332 | { |
508 | { |
333 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
509 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
334 | abort (); |
510 | abort (); |
… | |
… | |
340 | #define ev_malloc(size) ev_realloc (0, (size)) |
516 | #define ev_malloc(size) ev_realloc (0, (size)) |
341 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
517 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
342 | |
518 | |
343 | /*****************************************************************************/ |
519 | /*****************************************************************************/ |
344 | |
520 | |
|
|
521 | /* set in reify when reification needed */ |
|
|
522 | #define EV_ANFD_REIFY 1 |
|
|
523 | |
|
|
524 | /* file descriptor info structure */ |
345 | typedef struct |
525 | typedef struct |
346 | { |
526 | { |
347 | WL head; |
527 | WL head; |
348 | unsigned char events; |
528 | unsigned char events; /* the events watched for */ |
|
|
529 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
|
|
530 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
349 | unsigned char reify; |
531 | unsigned char unused; |
|
|
532 | #if EV_USE_EPOLL |
|
|
533 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
534 | #endif |
350 | #if EV_SELECT_IS_WINSOCKET |
535 | #if EV_SELECT_IS_WINSOCKET |
351 | SOCKET handle; |
536 | SOCKET handle; |
352 | #endif |
537 | #endif |
353 | } ANFD; |
538 | } ANFD; |
354 | |
539 | |
|
|
540 | /* stores the pending event set for a given watcher */ |
355 | typedef struct |
541 | typedef struct |
356 | { |
542 | { |
357 | W w; |
543 | W w; |
358 | int events; |
544 | int events; /* the pending event set for the given watcher */ |
359 | } ANPENDING; |
545 | } ANPENDING; |
360 | |
546 | |
361 | #if EV_USE_INOTIFY |
547 | #if EV_USE_INOTIFY |
|
|
548 | /* hash table entry per inotify-id */ |
362 | typedef struct |
549 | typedef struct |
363 | { |
550 | { |
364 | WL head; |
551 | WL head; |
365 | } ANFS; |
552 | } ANFS; |
|
|
553 | #endif |
|
|
554 | |
|
|
555 | /* Heap Entry */ |
|
|
556 | #if EV_HEAP_CACHE_AT |
|
|
557 | /* a heap element */ |
|
|
558 | typedef struct { |
|
|
559 | ev_tstamp at; |
|
|
560 | WT w; |
|
|
561 | } ANHE; |
|
|
562 | |
|
|
563 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
564 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
565 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
566 | #else |
|
|
567 | /* a heap element */ |
|
|
568 | typedef WT ANHE; |
|
|
569 | |
|
|
570 | #define ANHE_w(he) (he) |
|
|
571 | #define ANHE_at(he) (he)->at |
|
|
572 | #define ANHE_at_cache(he) |
366 | #endif |
573 | #endif |
367 | |
574 | |
368 | #if EV_MULTIPLICITY |
575 | #if EV_MULTIPLICITY |
369 | |
576 | |
370 | struct ev_loop |
577 | struct ev_loop |
… | |
… | |
389 | |
596 | |
390 | static int ev_default_loop_ptr; |
597 | static int ev_default_loop_ptr; |
391 | |
598 | |
392 | #endif |
599 | #endif |
393 | |
600 | |
|
|
601 | #if EV_MINIMAL < 2 |
|
|
602 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
|
|
603 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
|
|
604 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
|
|
605 | #else |
|
|
606 | # define EV_RELEASE_CB (void)0 |
|
|
607 | # define EV_ACQUIRE_CB (void)0 |
|
|
608 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
|
|
609 | #endif |
|
|
610 | |
|
|
611 | #define EVUNLOOP_RECURSE 0x80 |
|
|
612 | |
394 | /*****************************************************************************/ |
613 | /*****************************************************************************/ |
395 | |
614 | |
|
|
615 | #ifndef EV_HAVE_EV_TIME |
396 | ev_tstamp |
616 | ev_tstamp |
397 | ev_time (void) |
617 | ev_time (void) |
398 | { |
618 | { |
399 | #if EV_USE_REALTIME |
619 | #if EV_USE_REALTIME |
|
|
620 | if (expect_true (have_realtime)) |
|
|
621 | { |
400 | struct timespec ts; |
622 | struct timespec ts; |
401 | clock_gettime (CLOCK_REALTIME, &ts); |
623 | clock_gettime (CLOCK_REALTIME, &ts); |
402 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
624 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
403 | #else |
625 | } |
|
|
626 | #endif |
|
|
627 | |
404 | struct timeval tv; |
628 | struct timeval tv; |
405 | gettimeofday (&tv, 0); |
629 | gettimeofday (&tv, 0); |
406 | return tv.tv_sec + tv.tv_usec * 1e-6; |
630 | return tv.tv_sec + tv.tv_usec * 1e-6; |
407 | #endif |
|
|
408 | } |
631 | } |
|
|
632 | #endif |
409 | |
633 | |
410 | ev_tstamp inline_size |
634 | inline_size ev_tstamp |
411 | get_clock (void) |
635 | get_clock (void) |
412 | { |
636 | { |
413 | #if EV_USE_MONOTONIC |
637 | #if EV_USE_MONOTONIC |
414 | if (expect_true (have_monotonic)) |
638 | if (expect_true (have_monotonic)) |
415 | { |
639 | { |
… | |
… | |
441 | ts.tv_sec = (time_t)delay; |
665 | ts.tv_sec = (time_t)delay; |
442 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
666 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
443 | |
667 | |
444 | nanosleep (&ts, 0); |
668 | nanosleep (&ts, 0); |
445 | #elif defined(_WIN32) |
669 | #elif defined(_WIN32) |
446 | Sleep (delay * 1e3); |
670 | Sleep ((unsigned long)(delay * 1e3)); |
447 | #else |
671 | #else |
448 | struct timeval tv; |
672 | struct timeval tv; |
449 | |
673 | |
450 | tv.tv_sec = (time_t)delay; |
674 | tv.tv_sec = (time_t)delay; |
451 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
675 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
452 | |
676 | |
|
|
677 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
678 | /* something not guaranteed by newer posix versions, but guaranteed */ |
|
|
679 | /* by older ones */ |
453 | select (0, 0, 0, 0, &tv); |
680 | select (0, 0, 0, 0, &tv); |
454 | #endif |
681 | #endif |
455 | } |
682 | } |
456 | } |
683 | } |
457 | |
684 | |
458 | /*****************************************************************************/ |
685 | /*****************************************************************************/ |
459 | |
686 | |
460 | int inline_size |
687 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
|
|
688 | |
|
|
689 | /* find a suitable new size for the given array, */ |
|
|
690 | /* hopefully by rounding to a ncie-to-malloc size */ |
|
|
691 | inline_size int |
461 | array_nextsize (int elem, int cur, int cnt) |
692 | array_nextsize (int elem, int cur, int cnt) |
462 | { |
693 | { |
463 | int ncur = cur + 1; |
694 | int ncur = cur + 1; |
464 | |
695 | |
465 | do |
696 | do |
466 | ncur <<= 1; |
697 | ncur <<= 1; |
467 | while (cnt > ncur); |
698 | while (cnt > ncur); |
468 | |
699 | |
469 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
700 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
470 | if (elem * ncur > 4096) |
701 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
471 | { |
702 | { |
472 | ncur *= elem; |
703 | ncur *= elem; |
473 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
704 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
474 | ncur = ncur - sizeof (void *) * 4; |
705 | ncur = ncur - sizeof (void *) * 4; |
475 | ncur /= elem; |
706 | ncur /= elem; |
476 | } |
707 | } |
477 | |
708 | |
478 | return ncur; |
709 | return ncur; |
… | |
… | |
482 | array_realloc (int elem, void *base, int *cur, int cnt) |
713 | array_realloc (int elem, void *base, int *cur, int cnt) |
483 | { |
714 | { |
484 | *cur = array_nextsize (elem, *cur, cnt); |
715 | *cur = array_nextsize (elem, *cur, cnt); |
485 | return ev_realloc (base, elem * *cur); |
716 | return ev_realloc (base, elem * *cur); |
486 | } |
717 | } |
|
|
718 | |
|
|
719 | #define array_init_zero(base,count) \ |
|
|
720 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
487 | |
721 | |
488 | #define array_needsize(type,base,cur,cnt,init) \ |
722 | #define array_needsize(type,base,cur,cnt,init) \ |
489 | if (expect_false ((cnt) > (cur))) \ |
723 | if (expect_false ((cnt) > (cur))) \ |
490 | { \ |
724 | { \ |
491 | int ocur_ = (cur); \ |
725 | int ocur_ = (cur); \ |
… | |
… | |
503 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
737 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
504 | } |
738 | } |
505 | #endif |
739 | #endif |
506 | |
740 | |
507 | #define array_free(stem, idx) \ |
741 | #define array_free(stem, idx) \ |
508 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
742 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
509 | |
743 | |
510 | /*****************************************************************************/ |
744 | /*****************************************************************************/ |
|
|
745 | |
|
|
746 | /* dummy callback for pending events */ |
|
|
747 | static void noinline |
|
|
748 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
749 | { |
|
|
750 | } |
511 | |
751 | |
512 | void noinline |
752 | void noinline |
513 | ev_feed_event (EV_P_ void *w, int revents) |
753 | ev_feed_event (EV_P_ void *w, int revents) |
514 | { |
754 | { |
515 | W w_ = (W)w; |
755 | W w_ = (W)w; |
… | |
… | |
524 | pendings [pri][w_->pending - 1].w = w_; |
764 | pendings [pri][w_->pending - 1].w = w_; |
525 | pendings [pri][w_->pending - 1].events = revents; |
765 | pendings [pri][w_->pending - 1].events = revents; |
526 | } |
766 | } |
527 | } |
767 | } |
528 | |
768 | |
529 | void inline_speed |
769 | inline_speed void |
|
|
770 | feed_reverse (EV_P_ W w) |
|
|
771 | { |
|
|
772 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
773 | rfeeds [rfeedcnt++] = w; |
|
|
774 | } |
|
|
775 | |
|
|
776 | inline_size void |
|
|
777 | feed_reverse_done (EV_P_ int revents) |
|
|
778 | { |
|
|
779 | do |
|
|
780 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
781 | while (rfeedcnt); |
|
|
782 | } |
|
|
783 | |
|
|
784 | inline_speed void |
530 | queue_events (EV_P_ W *events, int eventcnt, int type) |
785 | queue_events (EV_P_ W *events, int eventcnt, int type) |
531 | { |
786 | { |
532 | int i; |
787 | int i; |
533 | |
788 | |
534 | for (i = 0; i < eventcnt; ++i) |
789 | for (i = 0; i < eventcnt; ++i) |
535 | ev_feed_event (EV_A_ events [i], type); |
790 | ev_feed_event (EV_A_ events [i], type); |
536 | } |
791 | } |
537 | |
792 | |
538 | /*****************************************************************************/ |
793 | /*****************************************************************************/ |
539 | |
794 | |
540 | void inline_size |
795 | inline_speed void |
541 | anfds_init (ANFD *base, int count) |
|
|
542 | { |
|
|
543 | while (count--) |
|
|
544 | { |
|
|
545 | base->head = 0; |
|
|
546 | base->events = EV_NONE; |
|
|
547 | base->reify = 0; |
|
|
548 | |
|
|
549 | ++base; |
|
|
550 | } |
|
|
551 | } |
|
|
552 | |
|
|
553 | void inline_speed |
|
|
554 | fd_event (EV_P_ int fd, int revents) |
796 | fd_event_nc (EV_P_ int fd, int revents) |
555 | { |
797 | { |
556 | ANFD *anfd = anfds + fd; |
798 | ANFD *anfd = anfds + fd; |
557 | ev_io *w; |
799 | ev_io *w; |
558 | |
800 | |
559 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
801 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
… | |
… | |
563 | if (ev) |
805 | if (ev) |
564 | ev_feed_event (EV_A_ (W)w, ev); |
806 | ev_feed_event (EV_A_ (W)w, ev); |
565 | } |
807 | } |
566 | } |
808 | } |
567 | |
809 | |
|
|
810 | /* do not submit kernel events for fds that have reify set */ |
|
|
811 | /* because that means they changed while we were polling for new events */ |
|
|
812 | inline_speed void |
|
|
813 | fd_event (EV_P_ int fd, int revents) |
|
|
814 | { |
|
|
815 | ANFD *anfd = anfds + fd; |
|
|
816 | |
|
|
817 | if (expect_true (!anfd->reify)) |
|
|
818 | fd_event_nc (EV_A_ fd, revents); |
|
|
819 | } |
|
|
820 | |
568 | void |
821 | void |
569 | ev_feed_fd_event (EV_P_ int fd, int revents) |
822 | ev_feed_fd_event (EV_P_ int fd, int revents) |
570 | { |
823 | { |
571 | if (fd >= 0 && fd < anfdmax) |
824 | if (fd >= 0 && fd < anfdmax) |
572 | fd_event (EV_A_ fd, revents); |
825 | fd_event_nc (EV_A_ fd, revents); |
573 | } |
826 | } |
574 | |
827 | |
575 | void inline_size |
828 | /* make sure the external fd watch events are in-sync */ |
|
|
829 | /* with the kernel/libev internal state */ |
|
|
830 | inline_size void |
576 | fd_reify (EV_P) |
831 | fd_reify (EV_P) |
577 | { |
832 | { |
578 | int i; |
833 | int i; |
579 | |
834 | |
580 | for (i = 0; i < fdchangecnt; ++i) |
835 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
589 | events |= (unsigned char)w->events; |
844 | events |= (unsigned char)w->events; |
590 | |
845 | |
591 | #if EV_SELECT_IS_WINSOCKET |
846 | #if EV_SELECT_IS_WINSOCKET |
592 | if (events) |
847 | if (events) |
593 | { |
848 | { |
594 | unsigned long argp; |
849 | unsigned long arg; |
|
|
850 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
851 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
852 | #else |
595 | anfd->handle = _get_osfhandle (fd); |
853 | anfd->handle = _get_osfhandle (fd); |
|
|
854 | #endif |
596 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
855 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
597 | } |
856 | } |
598 | #endif |
857 | #endif |
599 | |
858 | |
600 | { |
859 | { |
601 | unsigned char o_events = anfd->events; |
860 | unsigned char o_events = anfd->events; |
602 | unsigned char o_reify = anfd->reify; |
861 | unsigned char o_reify = anfd->reify; |
603 | |
862 | |
604 | anfd->reify = 0; |
863 | anfd->reify = 0; |
605 | anfd->events = events; |
864 | anfd->events = events; |
606 | |
865 | |
607 | if (o_events != events || o_reify & EV_IOFDSET) |
866 | if (o_events != events || o_reify & EV__IOFDSET) |
608 | backend_modify (EV_A_ fd, o_events, events); |
867 | backend_modify (EV_A_ fd, o_events, events); |
609 | } |
868 | } |
610 | } |
869 | } |
611 | |
870 | |
612 | fdchangecnt = 0; |
871 | fdchangecnt = 0; |
613 | } |
872 | } |
614 | |
873 | |
615 | void inline_size |
874 | /* something about the given fd changed */ |
|
|
875 | inline_size void |
616 | fd_change (EV_P_ int fd, int flags) |
876 | fd_change (EV_P_ int fd, int flags) |
617 | { |
877 | { |
618 | unsigned char reify = anfds [fd].reify; |
878 | unsigned char reify = anfds [fd].reify; |
619 | anfds [fd].reify |= flags; |
879 | anfds [fd].reify |= flags; |
620 | |
880 | |
… | |
… | |
624 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
884 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
625 | fdchanges [fdchangecnt - 1] = fd; |
885 | fdchanges [fdchangecnt - 1] = fd; |
626 | } |
886 | } |
627 | } |
887 | } |
628 | |
888 | |
629 | void inline_speed |
889 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
890 | inline_speed void |
630 | fd_kill (EV_P_ int fd) |
891 | fd_kill (EV_P_ int fd) |
631 | { |
892 | { |
632 | ev_io *w; |
893 | ev_io *w; |
633 | |
894 | |
634 | while ((w = (ev_io *)anfds [fd].head)) |
895 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
636 | ev_io_stop (EV_A_ w); |
897 | ev_io_stop (EV_A_ w); |
637 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
898 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
638 | } |
899 | } |
639 | } |
900 | } |
640 | |
901 | |
641 | int inline_size |
902 | /* check whether the given fd is atcually valid, for error recovery */ |
|
|
903 | inline_size int |
642 | fd_valid (int fd) |
904 | fd_valid (int fd) |
643 | { |
905 | { |
644 | #ifdef _WIN32 |
906 | #ifdef _WIN32 |
645 | return _get_osfhandle (fd) != -1; |
907 | return _get_osfhandle (fd) != -1; |
646 | #else |
908 | #else |
… | |
… | |
654 | { |
916 | { |
655 | int fd; |
917 | int fd; |
656 | |
918 | |
657 | for (fd = 0; fd < anfdmax; ++fd) |
919 | for (fd = 0; fd < anfdmax; ++fd) |
658 | if (anfds [fd].events) |
920 | if (anfds [fd].events) |
659 | if (!fd_valid (fd) == -1 && errno == EBADF) |
921 | if (!fd_valid (fd) && errno == EBADF) |
660 | fd_kill (EV_A_ fd); |
922 | fd_kill (EV_A_ fd); |
661 | } |
923 | } |
662 | |
924 | |
663 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
925 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
664 | static void noinline |
926 | static void noinline |
… | |
… | |
682 | |
944 | |
683 | for (fd = 0; fd < anfdmax; ++fd) |
945 | for (fd = 0; fd < anfdmax; ++fd) |
684 | if (anfds [fd].events) |
946 | if (anfds [fd].events) |
685 | { |
947 | { |
686 | anfds [fd].events = 0; |
948 | anfds [fd].events = 0; |
|
|
949 | anfds [fd].emask = 0; |
687 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
950 | fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); |
688 | } |
951 | } |
689 | } |
952 | } |
690 | |
953 | |
691 | /*****************************************************************************/ |
954 | /*****************************************************************************/ |
692 | |
955 | |
693 | void inline_speed |
956 | /* |
694 | upheap (WT *heap, int k) |
957 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
695 | { |
958 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
696 | WT w = heap [k]; |
959 | * the branching factor of the d-tree. |
|
|
960 | */ |
697 | |
961 | |
698 | while (k) |
962 | /* |
699 | { |
963 | * at the moment we allow libev the luxury of two heaps, |
700 | int p = (k - 1) >> 1; |
964 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
965 | * which is more cache-efficient. |
|
|
966 | * the difference is about 5% with 50000+ watchers. |
|
|
967 | */ |
|
|
968 | #if EV_USE_4HEAP |
701 | |
969 | |
702 | if (heap [p]->at <= w->at) |
970 | #define DHEAP 4 |
|
|
971 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
972 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
973 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
974 | |
|
|
975 | /* away from the root */ |
|
|
976 | inline_speed void |
|
|
977 | downheap (ANHE *heap, int N, int k) |
|
|
978 | { |
|
|
979 | ANHE he = heap [k]; |
|
|
980 | ANHE *E = heap + N + HEAP0; |
|
|
981 | |
|
|
982 | for (;;) |
|
|
983 | { |
|
|
984 | ev_tstamp minat; |
|
|
985 | ANHE *minpos; |
|
|
986 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
|
|
987 | |
|
|
988 | /* find minimum child */ |
|
|
989 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
990 | { |
|
|
991 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
992 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
993 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
994 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
995 | } |
|
|
996 | else if (pos < E) |
|
|
997 | { |
|
|
998 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
999 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
1000 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
1001 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
1002 | } |
|
|
1003 | else |
703 | break; |
1004 | break; |
704 | |
1005 | |
|
|
1006 | if (ANHE_at (he) <= minat) |
|
|
1007 | break; |
|
|
1008 | |
|
|
1009 | heap [k] = *minpos; |
|
|
1010 | ev_active (ANHE_w (*minpos)) = k; |
|
|
1011 | |
|
|
1012 | k = minpos - heap; |
|
|
1013 | } |
|
|
1014 | |
|
|
1015 | heap [k] = he; |
|
|
1016 | ev_active (ANHE_w (he)) = k; |
|
|
1017 | } |
|
|
1018 | |
|
|
1019 | #else /* 4HEAP */ |
|
|
1020 | |
|
|
1021 | #define HEAP0 1 |
|
|
1022 | #define HPARENT(k) ((k) >> 1) |
|
|
1023 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
1024 | |
|
|
1025 | /* away from the root */ |
|
|
1026 | inline_speed void |
|
|
1027 | downheap (ANHE *heap, int N, int k) |
|
|
1028 | { |
|
|
1029 | ANHE he = heap [k]; |
|
|
1030 | |
|
|
1031 | for (;;) |
|
|
1032 | { |
|
|
1033 | int c = k << 1; |
|
|
1034 | |
|
|
1035 | if (c > N + HEAP0 - 1) |
|
|
1036 | break; |
|
|
1037 | |
|
|
1038 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
1039 | ? 1 : 0; |
|
|
1040 | |
|
|
1041 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
1042 | break; |
|
|
1043 | |
|
|
1044 | heap [k] = heap [c]; |
|
|
1045 | ev_active (ANHE_w (heap [k])) = k; |
|
|
1046 | |
|
|
1047 | k = c; |
|
|
1048 | } |
|
|
1049 | |
|
|
1050 | heap [k] = he; |
|
|
1051 | ev_active (ANHE_w (he)) = k; |
|
|
1052 | } |
|
|
1053 | #endif |
|
|
1054 | |
|
|
1055 | /* towards the root */ |
|
|
1056 | inline_speed void |
|
|
1057 | upheap (ANHE *heap, int k) |
|
|
1058 | { |
|
|
1059 | ANHE he = heap [k]; |
|
|
1060 | |
|
|
1061 | for (;;) |
|
|
1062 | { |
|
|
1063 | int p = HPARENT (k); |
|
|
1064 | |
|
|
1065 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
1066 | break; |
|
|
1067 | |
705 | heap [k] = heap [p]; |
1068 | heap [k] = heap [p]; |
706 | ((W)heap [k])->active = k + 1; |
1069 | ev_active (ANHE_w (heap [k])) = k; |
707 | k = p; |
1070 | k = p; |
708 | } |
1071 | } |
709 | |
1072 | |
710 | heap [k] = w; |
1073 | heap [k] = he; |
711 | ((W)heap [k])->active = k + 1; |
1074 | ev_active (ANHE_w (he)) = k; |
712 | } |
1075 | } |
713 | |
1076 | |
714 | void inline_speed |
1077 | /* move an element suitably so it is in a correct place */ |
715 | downheap (WT *heap, int N, int k) |
1078 | inline_size void |
716 | { |
|
|
717 | WT w = heap [k]; |
|
|
718 | |
|
|
719 | for (;;) |
|
|
720 | { |
|
|
721 | int c = (k << 1) + 1; |
|
|
722 | |
|
|
723 | if (c >= N) |
|
|
724 | break; |
|
|
725 | |
|
|
726 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
727 | ? 1 : 0; |
|
|
728 | |
|
|
729 | if (w->at <= heap [c]->at) |
|
|
730 | break; |
|
|
731 | |
|
|
732 | heap [k] = heap [c]; |
|
|
733 | ((W)heap [k])->active = k + 1; |
|
|
734 | |
|
|
735 | k = c; |
|
|
736 | } |
|
|
737 | |
|
|
738 | heap [k] = w; |
|
|
739 | ((W)heap [k])->active = k + 1; |
|
|
740 | } |
|
|
741 | |
|
|
742 | void inline_size |
|
|
743 | adjustheap (WT *heap, int N, int k) |
1079 | adjustheap (ANHE *heap, int N, int k) |
744 | { |
1080 | { |
|
|
1081 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
745 | upheap (heap, k); |
1082 | upheap (heap, k); |
|
|
1083 | else |
746 | downheap (heap, N, k); |
1084 | downheap (heap, N, k); |
|
|
1085 | } |
|
|
1086 | |
|
|
1087 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
1088 | inline_size void |
|
|
1089 | reheap (ANHE *heap, int N) |
|
|
1090 | { |
|
|
1091 | int i; |
|
|
1092 | |
|
|
1093 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
1094 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
1095 | for (i = 0; i < N; ++i) |
|
|
1096 | upheap (heap, i + HEAP0); |
747 | } |
1097 | } |
748 | |
1098 | |
749 | /*****************************************************************************/ |
1099 | /*****************************************************************************/ |
750 | |
1100 | |
|
|
1101 | /* associate signal watchers to a signal signal */ |
751 | typedef struct |
1102 | typedef struct |
752 | { |
1103 | { |
753 | WL head; |
1104 | WL head; |
754 | sig_atomic_t volatile gotsig; |
1105 | EV_ATOMIC_T gotsig; |
755 | } ANSIG; |
1106 | } ANSIG; |
756 | |
1107 | |
757 | static ANSIG *signals; |
1108 | static ANSIG *signals; |
758 | static int signalmax; |
1109 | static int signalmax; |
759 | |
1110 | |
760 | static int sigpipe [2]; |
1111 | static EV_ATOMIC_T gotsig; |
761 | static sig_atomic_t volatile gotsig; |
|
|
762 | static ev_io sigev; |
|
|
763 | |
1112 | |
764 | void inline_size |
1113 | /*****************************************************************************/ |
765 | signals_init (ANSIG *base, int count) |
|
|
766 | { |
|
|
767 | while (count--) |
|
|
768 | { |
|
|
769 | base->head = 0; |
|
|
770 | base->gotsig = 0; |
|
|
771 | |
1114 | |
772 | ++base; |
1115 | /* used to prepare libev internal fd's */ |
773 | } |
1116 | /* this is not fork-safe */ |
774 | } |
1117 | inline_speed void |
775 | |
|
|
776 | static void |
|
|
777 | sighandler (int signum) |
|
|
778 | { |
|
|
779 | #if _WIN32 |
|
|
780 | signal (signum, sighandler); |
|
|
781 | #endif |
|
|
782 | |
|
|
783 | signals [signum - 1].gotsig = 1; |
|
|
784 | |
|
|
785 | if (!gotsig) |
|
|
786 | { |
|
|
787 | int old_errno = errno; |
|
|
788 | gotsig = 1; |
|
|
789 | write (sigpipe [1], &signum, 1); |
|
|
790 | errno = old_errno; |
|
|
791 | } |
|
|
792 | } |
|
|
793 | |
|
|
794 | void noinline |
|
|
795 | ev_feed_signal_event (EV_P_ int signum) |
|
|
796 | { |
|
|
797 | WL w; |
|
|
798 | |
|
|
799 | #if EV_MULTIPLICITY |
|
|
800 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
801 | #endif |
|
|
802 | |
|
|
803 | --signum; |
|
|
804 | |
|
|
805 | if (signum < 0 || signum >= signalmax) |
|
|
806 | return; |
|
|
807 | |
|
|
808 | signals [signum].gotsig = 0; |
|
|
809 | |
|
|
810 | for (w = signals [signum].head; w; w = w->next) |
|
|
811 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
812 | } |
|
|
813 | |
|
|
814 | static void |
|
|
815 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
816 | { |
|
|
817 | int signum; |
|
|
818 | |
|
|
819 | read (sigpipe [0], &revents, 1); |
|
|
820 | gotsig = 0; |
|
|
821 | |
|
|
822 | for (signum = signalmax; signum--; ) |
|
|
823 | if (signals [signum].gotsig) |
|
|
824 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
825 | } |
|
|
826 | |
|
|
827 | void inline_speed |
|
|
828 | fd_intern (int fd) |
1118 | fd_intern (int fd) |
829 | { |
1119 | { |
830 | #ifdef _WIN32 |
1120 | #ifdef _WIN32 |
831 | int arg = 1; |
1121 | unsigned long arg = 1; |
832 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1122 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
833 | #else |
1123 | #else |
834 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1124 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
835 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1125 | fcntl (fd, F_SETFL, O_NONBLOCK); |
836 | #endif |
1126 | #endif |
837 | } |
1127 | } |
838 | |
1128 | |
839 | static void noinline |
1129 | static void noinline |
840 | siginit (EV_P) |
1130 | evpipe_init (EV_P) |
841 | { |
1131 | { |
|
|
1132 | if (!ev_is_active (&pipe_w)) |
|
|
1133 | { |
|
|
1134 | #if EV_USE_EVENTFD |
|
|
1135 | evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); |
|
|
1136 | if (evfd < 0 && errno == EINVAL) |
|
|
1137 | evfd = eventfd (0, 0); |
|
|
1138 | |
|
|
1139 | if (evfd >= 0) |
|
|
1140 | { |
|
|
1141 | evpipe [0] = -1; |
|
|
1142 | fd_intern (evfd); /* doing it twice doesn't hurt */ |
|
|
1143 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1144 | } |
|
|
1145 | else |
|
|
1146 | #endif |
|
|
1147 | { |
|
|
1148 | while (pipe (evpipe)) |
|
|
1149 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
1150 | |
842 | fd_intern (sigpipe [0]); |
1151 | fd_intern (evpipe [0]); |
843 | fd_intern (sigpipe [1]); |
1152 | fd_intern (evpipe [1]); |
|
|
1153 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
|
|
1154 | } |
844 | |
1155 | |
845 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
|
|
846 | ev_io_start (EV_A_ &sigev); |
1156 | ev_io_start (EV_A_ &pipe_w); |
847 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1157 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1158 | } |
|
|
1159 | } |
|
|
1160 | |
|
|
1161 | inline_size void |
|
|
1162 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1163 | { |
|
|
1164 | if (!*flag) |
|
|
1165 | { |
|
|
1166 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1167 | |
|
|
1168 | *flag = 1; |
|
|
1169 | |
|
|
1170 | #if EV_USE_EVENTFD |
|
|
1171 | if (evfd >= 0) |
|
|
1172 | { |
|
|
1173 | uint64_t counter = 1; |
|
|
1174 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1175 | } |
|
|
1176 | else |
|
|
1177 | #endif |
|
|
1178 | write (evpipe [1], &old_errno, 1); |
|
|
1179 | |
|
|
1180 | errno = old_errno; |
|
|
1181 | } |
|
|
1182 | } |
|
|
1183 | |
|
|
1184 | /* called whenever the libev signal pipe */ |
|
|
1185 | /* got some events (signal, async) */ |
|
|
1186 | static void |
|
|
1187 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
1188 | { |
|
|
1189 | #if EV_USE_EVENTFD |
|
|
1190 | if (evfd >= 0) |
|
|
1191 | { |
|
|
1192 | uint64_t counter; |
|
|
1193 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1194 | } |
|
|
1195 | else |
|
|
1196 | #endif |
|
|
1197 | { |
|
|
1198 | char dummy; |
|
|
1199 | read (evpipe [0], &dummy, 1); |
|
|
1200 | } |
|
|
1201 | |
|
|
1202 | if (gotsig && ev_is_default_loop (EV_A)) |
|
|
1203 | { |
|
|
1204 | int signum; |
|
|
1205 | gotsig = 0; |
|
|
1206 | |
|
|
1207 | for (signum = signalmax; signum--; ) |
|
|
1208 | if (signals [signum].gotsig) |
|
|
1209 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
1210 | } |
|
|
1211 | |
|
|
1212 | #if EV_ASYNC_ENABLE |
|
|
1213 | if (gotasync) |
|
|
1214 | { |
|
|
1215 | int i; |
|
|
1216 | gotasync = 0; |
|
|
1217 | |
|
|
1218 | for (i = asynccnt; i--; ) |
|
|
1219 | if (asyncs [i]->sent) |
|
|
1220 | { |
|
|
1221 | asyncs [i]->sent = 0; |
|
|
1222 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
1223 | } |
|
|
1224 | } |
|
|
1225 | #endif |
848 | } |
1226 | } |
849 | |
1227 | |
850 | /*****************************************************************************/ |
1228 | /*****************************************************************************/ |
851 | |
1229 | |
|
|
1230 | static void |
|
|
1231 | ev_sighandler (int signum) |
|
|
1232 | { |
|
|
1233 | #if EV_MULTIPLICITY |
|
|
1234 | struct ev_loop *loop = &default_loop_struct; |
|
|
1235 | #endif |
|
|
1236 | |
|
|
1237 | #if _WIN32 |
|
|
1238 | signal (signum, ev_sighandler); |
|
|
1239 | #endif |
|
|
1240 | |
|
|
1241 | signals [signum - 1].gotsig = 1; |
|
|
1242 | evpipe_write (EV_A_ &gotsig); |
|
|
1243 | } |
|
|
1244 | |
|
|
1245 | void noinline |
|
|
1246 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1247 | { |
|
|
1248 | WL w; |
|
|
1249 | |
|
|
1250 | #if EV_MULTIPLICITY |
|
|
1251 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1252 | #endif |
|
|
1253 | |
|
|
1254 | --signum; |
|
|
1255 | |
|
|
1256 | if (signum < 0 || signum >= signalmax) |
|
|
1257 | return; |
|
|
1258 | |
|
|
1259 | signals [signum].gotsig = 0; |
|
|
1260 | |
|
|
1261 | for (w = signals [signum].head; w; w = w->next) |
|
|
1262 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
1263 | } |
|
|
1264 | |
|
|
1265 | #if EV_USE_SIGNALFD |
|
|
1266 | static void |
|
|
1267 | sigfdcb (EV_P_ ev_io *iow, int revents) |
|
|
1268 | { |
|
|
1269 | struct signalfd_siginfo si[4], *sip; |
|
|
1270 | |
|
|
1271 | for (;;) |
|
|
1272 | { |
|
|
1273 | ssize_t res = read (sigfd, si, sizeof (si)); |
|
|
1274 | |
|
|
1275 | /* not ISO-C, as res might be -1, but works with SuS */ |
|
|
1276 | for (sip = si; (char *)sip < (char *)si + res; ++sip) |
|
|
1277 | ev_feed_signal_event (EV_A_ sip->ssi_signo); |
|
|
1278 | |
|
|
1279 | if (res < (ssize_t)sizeof (si)) |
|
|
1280 | break; |
|
|
1281 | } |
|
|
1282 | } |
|
|
1283 | #endif |
|
|
1284 | |
|
|
1285 | /*****************************************************************************/ |
|
|
1286 | |
852 | static WL childs [EV_PID_HASHSIZE]; |
1287 | static WL childs [EV_PID_HASHSIZE]; |
853 | |
1288 | |
854 | #ifndef _WIN32 |
1289 | #ifndef _WIN32 |
855 | |
1290 | |
856 | static ev_signal childev; |
1291 | static ev_signal childev; |
857 | |
1292 | |
858 | void inline_speed |
1293 | #ifndef WIFCONTINUED |
|
|
1294 | # define WIFCONTINUED(status) 0 |
|
|
1295 | #endif |
|
|
1296 | |
|
|
1297 | /* handle a single child status event */ |
|
|
1298 | inline_speed void |
859 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1299 | child_reap (EV_P_ int chain, int pid, int status) |
860 | { |
1300 | { |
861 | ev_child *w; |
1301 | ev_child *w; |
|
|
1302 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
862 | |
1303 | |
863 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1304 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1305 | { |
864 | if (w->pid == pid || !w->pid) |
1306 | if ((w->pid == pid || !w->pid) |
|
|
1307 | && (!traced || (w->flags & 1))) |
865 | { |
1308 | { |
866 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1309 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
867 | w->rpid = pid; |
1310 | w->rpid = pid; |
868 | w->rstatus = status; |
1311 | w->rstatus = status; |
869 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1312 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
870 | } |
1313 | } |
|
|
1314 | } |
871 | } |
1315 | } |
872 | |
1316 | |
873 | #ifndef WCONTINUED |
1317 | #ifndef WCONTINUED |
874 | # define WCONTINUED 0 |
1318 | # define WCONTINUED 0 |
875 | #endif |
1319 | #endif |
876 | |
1320 | |
|
|
1321 | /* called on sigchld etc., calls waitpid */ |
877 | static void |
1322 | static void |
878 | childcb (EV_P_ ev_signal *sw, int revents) |
1323 | childcb (EV_P_ ev_signal *sw, int revents) |
879 | { |
1324 | { |
880 | int pid, status; |
1325 | int pid, status; |
881 | |
1326 | |
… | |
… | |
884 | if (!WCONTINUED |
1329 | if (!WCONTINUED |
885 | || errno != EINVAL |
1330 | || errno != EINVAL |
886 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1331 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
887 | return; |
1332 | return; |
888 | |
1333 | |
889 | /* make sure we are called again until all childs have been reaped */ |
1334 | /* make sure we are called again until all children have been reaped */ |
890 | /* we need to do it this way so that the callback gets called before we continue */ |
1335 | /* we need to do it this way so that the callback gets called before we continue */ |
891 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1336 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
892 | |
1337 | |
893 | child_reap (EV_A_ sw, pid, pid, status); |
1338 | child_reap (EV_A_ pid, pid, status); |
894 | if (EV_PID_HASHSIZE > 1) |
1339 | if (EV_PID_HASHSIZE > 1) |
895 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1340 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
896 | } |
1341 | } |
897 | |
1342 | |
898 | #endif |
1343 | #endif |
899 | |
1344 | |
900 | /*****************************************************************************/ |
1345 | /*****************************************************************************/ |
… | |
… | |
962 | /* kqueue is borked on everything but netbsd apparently */ |
1407 | /* kqueue is borked on everything but netbsd apparently */ |
963 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1408 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
964 | flags &= ~EVBACKEND_KQUEUE; |
1409 | flags &= ~EVBACKEND_KQUEUE; |
965 | #endif |
1410 | #endif |
966 | #ifdef __APPLE__ |
1411 | #ifdef __APPLE__ |
967 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1412 | /* only select works correctly on that "unix-certified" platform */ |
968 | flags &= ~EVBACKEND_POLL; |
1413 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1414 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
969 | #endif |
1415 | #endif |
970 | |
1416 | |
971 | return flags; |
1417 | return flags; |
972 | } |
1418 | } |
973 | |
1419 | |
974 | unsigned int |
1420 | unsigned int |
975 | ev_embeddable_backends (void) |
1421 | ev_embeddable_backends (void) |
976 | { |
1422 | { |
|
|
1423 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
|
|
1424 | |
977 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1425 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
978 | return EVBACKEND_KQUEUE |
1426 | /* please fix it and tell me how to detect the fix */ |
979 | | EVBACKEND_PORT; |
1427 | flags &= ~EVBACKEND_EPOLL; |
|
|
1428 | |
|
|
1429 | return flags; |
980 | } |
1430 | } |
981 | |
1431 | |
982 | unsigned int |
1432 | unsigned int |
983 | ev_backend (EV_P) |
1433 | ev_backend (EV_P) |
984 | { |
1434 | { |
985 | return backend; |
1435 | return backend; |
986 | } |
1436 | } |
987 | |
1437 | |
|
|
1438 | #if EV_MINIMAL < 2 |
988 | unsigned int |
1439 | unsigned int |
989 | ev_loop_count (EV_P) |
1440 | ev_loop_count (EV_P) |
990 | { |
1441 | { |
991 | return loop_count; |
1442 | return loop_count; |
992 | } |
1443 | } |
993 | |
1444 | |
|
|
1445 | unsigned int |
|
|
1446 | ev_loop_depth (EV_P) |
|
|
1447 | { |
|
|
1448 | return loop_depth; |
|
|
1449 | } |
|
|
1450 | |
994 | void |
1451 | void |
995 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1452 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
996 | { |
1453 | { |
997 | io_blocktime = interval; |
1454 | io_blocktime = interval; |
998 | } |
1455 | } |
… | |
… | |
1001 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1458 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
1002 | { |
1459 | { |
1003 | timeout_blocktime = interval; |
1460 | timeout_blocktime = interval; |
1004 | } |
1461 | } |
1005 | |
1462 | |
|
|
1463 | void |
|
|
1464 | ev_set_userdata (EV_P_ void *data) |
|
|
1465 | { |
|
|
1466 | userdata = data; |
|
|
1467 | } |
|
|
1468 | |
|
|
1469 | void * |
|
|
1470 | ev_userdata (EV_P) |
|
|
1471 | { |
|
|
1472 | return userdata; |
|
|
1473 | } |
|
|
1474 | |
|
|
1475 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
|
|
1476 | { |
|
|
1477 | invoke_cb = invoke_pending_cb; |
|
|
1478 | } |
|
|
1479 | |
|
|
1480 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
|
|
1481 | { |
|
|
1482 | release_cb = release; |
|
|
1483 | acquire_cb = acquire; |
|
|
1484 | } |
|
|
1485 | #endif |
|
|
1486 | |
|
|
1487 | /* initialise a loop structure, must be zero-initialised */ |
1006 | static void noinline |
1488 | static void noinline |
1007 | loop_init (EV_P_ unsigned int flags) |
1489 | loop_init (EV_P_ unsigned int flags) |
1008 | { |
1490 | { |
1009 | if (!backend) |
1491 | if (!backend) |
1010 | { |
1492 | { |
|
|
1493 | #if EV_USE_REALTIME |
|
|
1494 | if (!have_realtime) |
|
|
1495 | { |
|
|
1496 | struct timespec ts; |
|
|
1497 | |
|
|
1498 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1499 | have_realtime = 1; |
|
|
1500 | } |
|
|
1501 | #endif |
|
|
1502 | |
1011 | #if EV_USE_MONOTONIC |
1503 | #if EV_USE_MONOTONIC |
|
|
1504 | if (!have_monotonic) |
1012 | { |
1505 | { |
1013 | struct timespec ts; |
1506 | struct timespec ts; |
|
|
1507 | |
1014 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1508 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1015 | have_monotonic = 1; |
1509 | have_monotonic = 1; |
1016 | } |
1510 | } |
1017 | #endif |
1511 | #endif |
1018 | |
1512 | |
1019 | ev_rt_now = ev_time (); |
1513 | ev_rt_now = ev_time (); |
1020 | mn_now = get_clock (); |
1514 | mn_now = get_clock (); |
1021 | now_floor = mn_now; |
1515 | now_floor = mn_now; |
1022 | rtmn_diff = ev_rt_now - mn_now; |
1516 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1517 | #if EV_MINIMAL < 2 |
|
|
1518 | invoke_cb = ev_invoke_pending; |
|
|
1519 | #endif |
1023 | |
1520 | |
1024 | io_blocktime = 0.; |
1521 | io_blocktime = 0.; |
1025 | timeout_blocktime = 0.; |
1522 | timeout_blocktime = 0.; |
|
|
1523 | backend = 0; |
|
|
1524 | backend_fd = -1; |
|
|
1525 | gotasync = 0; |
|
|
1526 | #if EV_USE_INOTIFY |
|
|
1527 | fs_fd = -2; |
|
|
1528 | #endif |
|
|
1529 | #if EV_USE_SIGNALFD |
|
|
1530 | sigfd = -2; |
|
|
1531 | #endif |
1026 | |
1532 | |
1027 | /* pid check not overridable via env */ |
1533 | /* pid check not overridable via env */ |
1028 | #ifndef _WIN32 |
1534 | #ifndef _WIN32 |
1029 | if (flags & EVFLAG_FORKCHECK) |
1535 | if (flags & EVFLAG_FORKCHECK) |
1030 | curpid = getpid (); |
1536 | curpid = getpid (); |
… | |
… | |
1033 | if (!(flags & EVFLAG_NOENV) |
1539 | if (!(flags & EVFLAG_NOENV) |
1034 | && !enable_secure () |
1540 | && !enable_secure () |
1035 | && getenv ("LIBEV_FLAGS")) |
1541 | && getenv ("LIBEV_FLAGS")) |
1036 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1542 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1037 | |
1543 | |
1038 | if (!(flags & 0x0000ffffUL)) |
1544 | if (!(flags & 0x0000ffffU)) |
1039 | flags |= ev_recommended_backends (); |
1545 | flags |= ev_recommended_backends (); |
1040 | |
|
|
1041 | backend = 0; |
|
|
1042 | backend_fd = -1; |
|
|
1043 | #if EV_USE_INOTIFY |
|
|
1044 | fs_fd = -2; |
|
|
1045 | #endif |
|
|
1046 | |
1546 | |
1047 | #if EV_USE_PORT |
1547 | #if EV_USE_PORT |
1048 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1548 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1049 | #endif |
1549 | #endif |
1050 | #if EV_USE_KQUEUE |
1550 | #if EV_USE_KQUEUE |
… | |
… | |
1058 | #endif |
1558 | #endif |
1059 | #if EV_USE_SELECT |
1559 | #if EV_USE_SELECT |
1060 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1560 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1061 | #endif |
1561 | #endif |
1062 | |
1562 | |
|
|
1563 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1564 | |
1063 | ev_init (&sigev, sigcb); |
1565 | ev_init (&pipe_w, pipecb); |
1064 | ev_set_priority (&sigev, EV_MAXPRI); |
1566 | ev_set_priority (&pipe_w, EV_MAXPRI); |
1065 | } |
1567 | } |
1066 | } |
1568 | } |
1067 | |
1569 | |
|
|
1570 | /* free up a loop structure */ |
1068 | static void noinline |
1571 | static void noinline |
1069 | loop_destroy (EV_P) |
1572 | loop_destroy (EV_P) |
1070 | { |
1573 | { |
1071 | int i; |
1574 | int i; |
|
|
1575 | |
|
|
1576 | if (ev_is_active (&pipe_w)) |
|
|
1577 | { |
|
|
1578 | /*ev_ref (EV_A);*/ |
|
|
1579 | /*ev_io_stop (EV_A_ &pipe_w);*/ |
|
|
1580 | |
|
|
1581 | #if EV_USE_EVENTFD |
|
|
1582 | if (evfd >= 0) |
|
|
1583 | close (evfd); |
|
|
1584 | #endif |
|
|
1585 | |
|
|
1586 | if (evpipe [0] >= 0) |
|
|
1587 | { |
|
|
1588 | close (evpipe [0]); |
|
|
1589 | close (evpipe [1]); |
|
|
1590 | } |
|
|
1591 | } |
|
|
1592 | |
|
|
1593 | #if EV_USE_SIGNALFD |
|
|
1594 | if (ev_is_active (&sigfd_w)) |
|
|
1595 | { |
|
|
1596 | /*ev_ref (EV_A);*/ |
|
|
1597 | /*ev_io_stop (EV_A_ &sigfd_w);*/ |
|
|
1598 | |
|
|
1599 | close (sigfd); |
|
|
1600 | } |
|
|
1601 | #endif |
1072 | |
1602 | |
1073 | #if EV_USE_INOTIFY |
1603 | #if EV_USE_INOTIFY |
1074 | if (fs_fd >= 0) |
1604 | if (fs_fd >= 0) |
1075 | close (fs_fd); |
1605 | close (fs_fd); |
1076 | #endif |
1606 | #endif |
… | |
… | |
1103 | } |
1633 | } |
1104 | |
1634 | |
1105 | ev_free (anfds); anfdmax = 0; |
1635 | ev_free (anfds); anfdmax = 0; |
1106 | |
1636 | |
1107 | /* have to use the microsoft-never-gets-it-right macro */ |
1637 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1638 | array_free (rfeed, EMPTY); |
1108 | array_free (fdchange, EMPTY); |
1639 | array_free (fdchange, EMPTY); |
1109 | array_free (timer, EMPTY); |
1640 | array_free (timer, EMPTY); |
1110 | #if EV_PERIODIC_ENABLE |
1641 | #if EV_PERIODIC_ENABLE |
1111 | array_free (periodic, EMPTY); |
1642 | array_free (periodic, EMPTY); |
1112 | #endif |
1643 | #endif |
1113 | #if EV_FORK_ENABLE |
1644 | #if EV_FORK_ENABLE |
1114 | array_free (fork, EMPTY); |
1645 | array_free (fork, EMPTY); |
1115 | #endif |
1646 | #endif |
1116 | array_free (prepare, EMPTY); |
1647 | array_free (prepare, EMPTY); |
1117 | array_free (check, EMPTY); |
1648 | array_free (check, EMPTY); |
|
|
1649 | #if EV_ASYNC_ENABLE |
|
|
1650 | array_free (async, EMPTY); |
|
|
1651 | #endif |
1118 | |
1652 | |
1119 | backend = 0; |
1653 | backend = 0; |
1120 | } |
1654 | } |
1121 | |
1655 | |
|
|
1656 | #if EV_USE_INOTIFY |
1122 | void inline_size infy_fork (EV_P); |
1657 | inline_size void infy_fork (EV_P); |
|
|
1658 | #endif |
1123 | |
1659 | |
1124 | void inline_size |
1660 | inline_size void |
1125 | loop_fork (EV_P) |
1661 | loop_fork (EV_P) |
1126 | { |
1662 | { |
1127 | #if EV_USE_PORT |
1663 | #if EV_USE_PORT |
1128 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1664 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1129 | #endif |
1665 | #endif |
… | |
… | |
1135 | #endif |
1671 | #endif |
1136 | #if EV_USE_INOTIFY |
1672 | #if EV_USE_INOTIFY |
1137 | infy_fork (EV_A); |
1673 | infy_fork (EV_A); |
1138 | #endif |
1674 | #endif |
1139 | |
1675 | |
1140 | if (ev_is_active (&sigev)) |
1676 | if (ev_is_active (&pipe_w)) |
1141 | { |
1677 | { |
1142 | /* default loop */ |
1678 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1679 | /* while we modify the fd vars */ |
|
|
1680 | gotsig = 1; |
|
|
1681 | #if EV_ASYNC_ENABLE |
|
|
1682 | gotasync = 1; |
|
|
1683 | #endif |
1143 | |
1684 | |
1144 | ev_ref (EV_A); |
1685 | ev_ref (EV_A); |
1145 | ev_io_stop (EV_A_ &sigev); |
1686 | ev_io_stop (EV_A_ &pipe_w); |
|
|
1687 | |
|
|
1688 | #if EV_USE_EVENTFD |
|
|
1689 | if (evfd >= 0) |
|
|
1690 | close (evfd); |
|
|
1691 | #endif |
|
|
1692 | |
|
|
1693 | if (evpipe [0] >= 0) |
|
|
1694 | { |
1146 | close (sigpipe [0]); |
1695 | close (evpipe [0]); |
1147 | close (sigpipe [1]); |
1696 | close (evpipe [1]); |
|
|
1697 | } |
1148 | |
1698 | |
1149 | while (pipe (sigpipe)) |
|
|
1150 | syserr ("(libev) error creating pipe"); |
|
|
1151 | |
|
|
1152 | siginit (EV_A); |
1699 | evpipe_init (EV_A); |
|
|
1700 | /* now iterate over everything, in case we missed something */ |
|
|
1701 | pipecb (EV_A_ &pipe_w, EV_READ); |
1153 | } |
1702 | } |
1154 | |
1703 | |
1155 | postfork = 0; |
1704 | postfork = 0; |
1156 | } |
1705 | } |
1157 | |
1706 | |
1158 | #if EV_MULTIPLICITY |
1707 | #if EV_MULTIPLICITY |
|
|
1708 | |
1159 | struct ev_loop * |
1709 | struct ev_loop * |
1160 | ev_loop_new (unsigned int flags) |
1710 | ev_loop_new (unsigned int flags) |
1161 | { |
1711 | { |
1162 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1712 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1163 | |
1713 | |
1164 | memset (loop, 0, sizeof (struct ev_loop)); |
1714 | memset (loop, 0, sizeof (struct ev_loop)); |
1165 | |
|
|
1166 | loop_init (EV_A_ flags); |
1715 | loop_init (EV_A_ flags); |
1167 | |
1716 | |
1168 | if (ev_backend (EV_A)) |
1717 | if (ev_backend (EV_A)) |
1169 | return loop; |
1718 | return loop; |
1170 | |
1719 | |
… | |
… | |
1179 | } |
1728 | } |
1180 | |
1729 | |
1181 | void |
1730 | void |
1182 | ev_loop_fork (EV_P) |
1731 | ev_loop_fork (EV_P) |
1183 | { |
1732 | { |
1184 | postfork = 1; |
1733 | postfork = 1; /* must be in line with ev_default_fork */ |
1185 | } |
1734 | } |
|
|
1735 | #endif /* multiplicity */ |
1186 | |
1736 | |
|
|
1737 | #if EV_VERIFY |
|
|
1738 | static void noinline |
|
|
1739 | verify_watcher (EV_P_ W w) |
|
|
1740 | { |
|
|
1741 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1742 | |
|
|
1743 | if (w->pending) |
|
|
1744 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | static void noinline |
|
|
1748 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1749 | { |
|
|
1750 | int i; |
|
|
1751 | |
|
|
1752 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1753 | { |
|
|
1754 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1755 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1756 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1757 | |
|
|
1758 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1759 | } |
|
|
1760 | } |
|
|
1761 | |
|
|
1762 | static void noinline |
|
|
1763 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1764 | { |
|
|
1765 | while (cnt--) |
|
|
1766 | { |
|
|
1767 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1768 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1769 | } |
|
|
1770 | } |
|
|
1771 | #endif |
|
|
1772 | |
|
|
1773 | #if EV_MINIMAL < 2 |
|
|
1774 | void |
|
|
1775 | ev_loop_verify (EV_P) |
|
|
1776 | { |
|
|
1777 | #if EV_VERIFY |
|
|
1778 | int i; |
|
|
1779 | WL w; |
|
|
1780 | |
|
|
1781 | assert (activecnt >= -1); |
|
|
1782 | |
|
|
1783 | assert (fdchangemax >= fdchangecnt); |
|
|
1784 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1785 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1786 | |
|
|
1787 | assert (anfdmax >= 0); |
|
|
1788 | for (i = 0; i < anfdmax; ++i) |
|
|
1789 | for (w = anfds [i].head; w; w = w->next) |
|
|
1790 | { |
|
|
1791 | verify_watcher (EV_A_ (W)w); |
|
|
1792 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1793 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1794 | } |
|
|
1795 | |
|
|
1796 | assert (timermax >= timercnt); |
|
|
1797 | verify_heap (EV_A_ timers, timercnt); |
|
|
1798 | |
|
|
1799 | #if EV_PERIODIC_ENABLE |
|
|
1800 | assert (periodicmax >= periodiccnt); |
|
|
1801 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1802 | #endif |
|
|
1803 | |
|
|
1804 | for (i = NUMPRI; i--; ) |
|
|
1805 | { |
|
|
1806 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1807 | #if EV_IDLE_ENABLE |
|
|
1808 | assert (idleall >= 0); |
|
|
1809 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1810 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1811 | #endif |
|
|
1812 | } |
|
|
1813 | |
|
|
1814 | #if EV_FORK_ENABLE |
|
|
1815 | assert (forkmax >= forkcnt); |
|
|
1816 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1817 | #endif |
|
|
1818 | |
|
|
1819 | #if EV_ASYNC_ENABLE |
|
|
1820 | assert (asyncmax >= asynccnt); |
|
|
1821 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1822 | #endif |
|
|
1823 | |
|
|
1824 | assert (preparemax >= preparecnt); |
|
|
1825 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1826 | |
|
|
1827 | assert (checkmax >= checkcnt); |
|
|
1828 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1829 | |
|
|
1830 | # if 0 |
|
|
1831 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1832 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
|
|
1833 | # endif |
|
|
1834 | #endif |
|
|
1835 | } |
1187 | #endif |
1836 | #endif |
1188 | |
1837 | |
1189 | #if EV_MULTIPLICITY |
1838 | #if EV_MULTIPLICITY |
1190 | struct ev_loop * |
1839 | struct ev_loop * |
1191 | ev_default_loop_init (unsigned int flags) |
1840 | ev_default_loop_init (unsigned int flags) |
1192 | #else |
1841 | #else |
1193 | int |
1842 | int |
1194 | ev_default_loop (unsigned int flags) |
1843 | ev_default_loop (unsigned int flags) |
1195 | #endif |
1844 | #endif |
1196 | { |
1845 | { |
1197 | if (sigpipe [0] == sigpipe [1]) |
|
|
1198 | if (pipe (sigpipe)) |
|
|
1199 | return 0; |
|
|
1200 | |
|
|
1201 | if (!ev_default_loop_ptr) |
1846 | if (!ev_default_loop_ptr) |
1202 | { |
1847 | { |
1203 | #if EV_MULTIPLICITY |
1848 | #if EV_MULTIPLICITY |
1204 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1849 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1205 | #else |
1850 | #else |
… | |
… | |
1208 | |
1853 | |
1209 | loop_init (EV_A_ flags); |
1854 | loop_init (EV_A_ flags); |
1210 | |
1855 | |
1211 | if (ev_backend (EV_A)) |
1856 | if (ev_backend (EV_A)) |
1212 | { |
1857 | { |
1213 | siginit (EV_A); |
|
|
1214 | |
|
|
1215 | #ifndef _WIN32 |
1858 | #ifndef _WIN32 |
1216 | ev_signal_init (&childev, childcb, SIGCHLD); |
1859 | ev_signal_init (&childev, childcb, SIGCHLD); |
1217 | ev_set_priority (&childev, EV_MAXPRI); |
1860 | ev_set_priority (&childev, EV_MAXPRI); |
1218 | ev_signal_start (EV_A_ &childev); |
1861 | ev_signal_start (EV_A_ &childev); |
1219 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1862 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1231 | { |
1874 | { |
1232 | #if EV_MULTIPLICITY |
1875 | #if EV_MULTIPLICITY |
1233 | struct ev_loop *loop = ev_default_loop_ptr; |
1876 | struct ev_loop *loop = ev_default_loop_ptr; |
1234 | #endif |
1877 | #endif |
1235 | |
1878 | |
|
|
1879 | ev_default_loop_ptr = 0; |
|
|
1880 | |
1236 | #ifndef _WIN32 |
1881 | #ifndef _WIN32 |
1237 | ev_ref (EV_A); /* child watcher */ |
1882 | ev_ref (EV_A); /* child watcher */ |
1238 | ev_signal_stop (EV_A_ &childev); |
1883 | ev_signal_stop (EV_A_ &childev); |
1239 | #endif |
1884 | #endif |
1240 | |
1885 | |
1241 | ev_ref (EV_A); /* signal watcher */ |
|
|
1242 | ev_io_stop (EV_A_ &sigev); |
|
|
1243 | |
|
|
1244 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1245 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1246 | |
|
|
1247 | loop_destroy (EV_A); |
1886 | loop_destroy (EV_A); |
1248 | } |
1887 | } |
1249 | |
1888 | |
1250 | void |
1889 | void |
1251 | ev_default_fork (void) |
1890 | ev_default_fork (void) |
1252 | { |
1891 | { |
1253 | #if EV_MULTIPLICITY |
1892 | #if EV_MULTIPLICITY |
1254 | struct ev_loop *loop = ev_default_loop_ptr; |
1893 | struct ev_loop *loop = ev_default_loop_ptr; |
1255 | #endif |
1894 | #endif |
1256 | |
1895 | |
1257 | if (backend) |
1896 | postfork = 1; /* must be in line with ev_loop_fork */ |
1258 | postfork = 1; |
|
|
1259 | } |
1897 | } |
1260 | |
1898 | |
1261 | /*****************************************************************************/ |
1899 | /*****************************************************************************/ |
1262 | |
1900 | |
1263 | void |
1901 | void |
1264 | ev_invoke (EV_P_ void *w, int revents) |
1902 | ev_invoke (EV_P_ void *w, int revents) |
1265 | { |
1903 | { |
1266 | EV_CB_INVOKE ((W)w, revents); |
1904 | EV_CB_INVOKE ((W)w, revents); |
1267 | } |
1905 | } |
1268 | |
1906 | |
1269 | void inline_speed |
1907 | unsigned int |
1270 | call_pending (EV_P) |
1908 | ev_pending_count (EV_P) |
|
|
1909 | { |
|
|
1910 | int pri; |
|
|
1911 | unsigned int count = 0; |
|
|
1912 | |
|
|
1913 | for (pri = NUMPRI; pri--; ) |
|
|
1914 | count += pendingcnt [pri]; |
|
|
1915 | |
|
|
1916 | return count; |
|
|
1917 | } |
|
|
1918 | |
|
|
1919 | void noinline |
|
|
1920 | ev_invoke_pending (EV_P) |
1271 | { |
1921 | { |
1272 | int pri; |
1922 | int pri; |
1273 | |
1923 | |
1274 | for (pri = NUMPRI; pri--; ) |
1924 | for (pri = NUMPRI; pri--; ) |
1275 | while (pendingcnt [pri]) |
1925 | while (pendingcnt [pri]) |
1276 | { |
1926 | { |
1277 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1927 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1278 | |
1928 | |
1279 | if (expect_true (p->w)) |
|
|
1280 | { |
|
|
1281 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1929 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1930 | /* ^ this is no longer true, as pending_w could be here */ |
1282 | |
1931 | |
1283 | p->w->pending = 0; |
1932 | p->w->pending = 0; |
1284 | EV_CB_INVOKE (p->w, p->events); |
1933 | EV_CB_INVOKE (p->w, p->events); |
1285 | } |
1934 | EV_FREQUENT_CHECK; |
1286 | } |
1935 | } |
1287 | } |
1936 | } |
1288 | |
1937 | |
1289 | void inline_size |
|
|
1290 | timers_reify (EV_P) |
|
|
1291 | { |
|
|
1292 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1293 | { |
|
|
1294 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1295 | |
|
|
1296 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1297 | |
|
|
1298 | /* first reschedule or stop timer */ |
|
|
1299 | if (w->repeat) |
|
|
1300 | { |
|
|
1301 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1302 | |
|
|
1303 | ((WT)w)->at += w->repeat; |
|
|
1304 | if (((WT)w)->at < mn_now) |
|
|
1305 | ((WT)w)->at = mn_now; |
|
|
1306 | |
|
|
1307 | downheap (timers, timercnt, 0); |
|
|
1308 | } |
|
|
1309 | else |
|
|
1310 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1311 | |
|
|
1312 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1313 | } |
|
|
1314 | } |
|
|
1315 | |
|
|
1316 | #if EV_PERIODIC_ENABLE |
|
|
1317 | void inline_size |
|
|
1318 | periodics_reify (EV_P) |
|
|
1319 | { |
|
|
1320 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1321 | { |
|
|
1322 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1323 | |
|
|
1324 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1325 | |
|
|
1326 | /* first reschedule or stop timer */ |
|
|
1327 | if (w->reschedule_cb) |
|
|
1328 | { |
|
|
1329 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1330 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1331 | downheap (periodics, periodiccnt, 0); |
|
|
1332 | } |
|
|
1333 | else if (w->interval) |
|
|
1334 | { |
|
|
1335 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1336 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1337 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1338 | downheap (periodics, periodiccnt, 0); |
|
|
1339 | } |
|
|
1340 | else |
|
|
1341 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1342 | |
|
|
1343 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1344 | } |
|
|
1345 | } |
|
|
1346 | |
|
|
1347 | static void noinline |
|
|
1348 | periodics_reschedule (EV_P) |
|
|
1349 | { |
|
|
1350 | int i; |
|
|
1351 | |
|
|
1352 | /* adjust periodics after time jump */ |
|
|
1353 | for (i = 0; i < periodiccnt; ++i) |
|
|
1354 | { |
|
|
1355 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1356 | |
|
|
1357 | if (w->reschedule_cb) |
|
|
1358 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1359 | else if (w->interval) |
|
|
1360 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1361 | } |
|
|
1362 | |
|
|
1363 | /* now rebuild the heap */ |
|
|
1364 | for (i = periodiccnt >> 1; i--; ) |
|
|
1365 | downheap (periodics, periodiccnt, i); |
|
|
1366 | } |
|
|
1367 | #endif |
|
|
1368 | |
|
|
1369 | #if EV_IDLE_ENABLE |
1938 | #if EV_IDLE_ENABLE |
1370 | void inline_size |
1939 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
1940 | /* only when higher priorities are idle" logic */ |
|
|
1941 | inline_size void |
1371 | idle_reify (EV_P) |
1942 | idle_reify (EV_P) |
1372 | { |
1943 | { |
1373 | if (expect_false (idleall)) |
1944 | if (expect_false (idleall)) |
1374 | { |
1945 | { |
1375 | int pri; |
1946 | int pri; |
… | |
… | |
1387 | } |
1958 | } |
1388 | } |
1959 | } |
1389 | } |
1960 | } |
1390 | #endif |
1961 | #endif |
1391 | |
1962 | |
1392 | void inline_speed |
1963 | /* make timers pending */ |
|
|
1964 | inline_size void |
|
|
1965 | timers_reify (EV_P) |
|
|
1966 | { |
|
|
1967 | EV_FREQUENT_CHECK; |
|
|
1968 | |
|
|
1969 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1970 | { |
|
|
1971 | do |
|
|
1972 | { |
|
|
1973 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1974 | |
|
|
1975 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1976 | |
|
|
1977 | /* first reschedule or stop timer */ |
|
|
1978 | if (w->repeat) |
|
|
1979 | { |
|
|
1980 | ev_at (w) += w->repeat; |
|
|
1981 | if (ev_at (w) < mn_now) |
|
|
1982 | ev_at (w) = mn_now; |
|
|
1983 | |
|
|
1984 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1985 | |
|
|
1986 | ANHE_at_cache (timers [HEAP0]); |
|
|
1987 | downheap (timers, timercnt, HEAP0); |
|
|
1988 | } |
|
|
1989 | else |
|
|
1990 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1991 | |
|
|
1992 | EV_FREQUENT_CHECK; |
|
|
1993 | feed_reverse (EV_A_ (W)w); |
|
|
1994 | } |
|
|
1995 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
|
|
1996 | |
|
|
1997 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
|
|
1998 | } |
|
|
1999 | } |
|
|
2000 | |
|
|
2001 | #if EV_PERIODIC_ENABLE |
|
|
2002 | /* make periodics pending */ |
|
|
2003 | inline_size void |
|
|
2004 | periodics_reify (EV_P) |
|
|
2005 | { |
|
|
2006 | EV_FREQUENT_CHECK; |
|
|
2007 | |
|
|
2008 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
2009 | { |
|
|
2010 | int feed_count = 0; |
|
|
2011 | |
|
|
2012 | do |
|
|
2013 | { |
|
|
2014 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
2015 | |
|
|
2016 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
2017 | |
|
|
2018 | /* first reschedule or stop timer */ |
|
|
2019 | if (w->reschedule_cb) |
|
|
2020 | { |
|
|
2021 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
2022 | |
|
|
2023 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
2024 | |
|
|
2025 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2026 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2027 | } |
|
|
2028 | else if (w->interval) |
|
|
2029 | { |
|
|
2030 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2031 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
2032 | /* this might happen because of floating point inexactness */ |
|
|
2033 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
2034 | { |
|
|
2035 | ev_at (w) += w->interval; |
|
|
2036 | |
|
|
2037 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
2038 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
2039 | /* has effectively asked to get triggered more often than possible */ |
|
|
2040 | if (ev_at (w) < ev_rt_now) |
|
|
2041 | ev_at (w) = ev_rt_now; |
|
|
2042 | } |
|
|
2043 | |
|
|
2044 | ANHE_at_cache (periodics [HEAP0]); |
|
|
2045 | downheap (periodics, periodiccnt, HEAP0); |
|
|
2046 | } |
|
|
2047 | else |
|
|
2048 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
2049 | |
|
|
2050 | EV_FREQUENT_CHECK; |
|
|
2051 | feed_reverse (EV_A_ (W)w); |
|
|
2052 | } |
|
|
2053 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
|
|
2054 | |
|
|
2055 | feed_reverse_done (EV_A_ EV_PERIODIC); |
|
|
2056 | } |
|
|
2057 | } |
|
|
2058 | |
|
|
2059 | /* simply recalculate all periodics */ |
|
|
2060 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
|
|
2061 | static void noinline |
|
|
2062 | periodics_reschedule (EV_P) |
|
|
2063 | { |
|
|
2064 | int i; |
|
|
2065 | |
|
|
2066 | /* adjust periodics after time jump */ |
|
|
2067 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
2068 | { |
|
|
2069 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
2070 | |
|
|
2071 | if (w->reschedule_cb) |
|
|
2072 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
2073 | else if (w->interval) |
|
|
2074 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
2075 | |
|
|
2076 | ANHE_at_cache (periodics [i]); |
|
|
2077 | } |
|
|
2078 | |
|
|
2079 | reheap (periodics, periodiccnt); |
|
|
2080 | } |
|
|
2081 | #endif |
|
|
2082 | |
|
|
2083 | /* adjust all timers by a given offset */ |
|
|
2084 | static void noinline |
|
|
2085 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
2086 | { |
|
|
2087 | int i; |
|
|
2088 | |
|
|
2089 | for (i = 0; i < timercnt; ++i) |
|
|
2090 | { |
|
|
2091 | ANHE *he = timers + i + HEAP0; |
|
|
2092 | ANHE_w (*he)->at += adjust; |
|
|
2093 | ANHE_at_cache (*he); |
|
|
2094 | } |
|
|
2095 | } |
|
|
2096 | |
|
|
2097 | /* fetch new monotonic and realtime times from the kernel */ |
|
|
2098 | /* also detetc if there was a timejump, and act accordingly */ |
|
|
2099 | inline_speed void |
1393 | time_update (EV_P_ ev_tstamp max_block) |
2100 | time_update (EV_P_ ev_tstamp max_block) |
1394 | { |
2101 | { |
1395 | int i; |
|
|
1396 | |
|
|
1397 | #if EV_USE_MONOTONIC |
2102 | #if EV_USE_MONOTONIC |
1398 | if (expect_true (have_monotonic)) |
2103 | if (expect_true (have_monotonic)) |
1399 | { |
2104 | { |
|
|
2105 | int i; |
1400 | ev_tstamp odiff = rtmn_diff; |
2106 | ev_tstamp odiff = rtmn_diff; |
1401 | |
2107 | |
1402 | mn_now = get_clock (); |
2108 | mn_now = get_clock (); |
1403 | |
2109 | |
1404 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
2110 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
… | |
… | |
1422 | */ |
2128 | */ |
1423 | for (i = 4; --i; ) |
2129 | for (i = 4; --i; ) |
1424 | { |
2130 | { |
1425 | rtmn_diff = ev_rt_now - mn_now; |
2131 | rtmn_diff = ev_rt_now - mn_now; |
1426 | |
2132 | |
1427 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
2133 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1428 | return; /* all is well */ |
2134 | return; /* all is well */ |
1429 | |
2135 | |
1430 | ev_rt_now = ev_time (); |
2136 | ev_rt_now = ev_time (); |
1431 | mn_now = get_clock (); |
2137 | mn_now = get_clock (); |
1432 | now_floor = mn_now; |
2138 | now_floor = mn_now; |
1433 | } |
2139 | } |
1434 | |
2140 | |
|
|
2141 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
2142 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1435 | # if EV_PERIODIC_ENABLE |
2143 | # if EV_PERIODIC_ENABLE |
1436 | periodics_reschedule (EV_A); |
2144 | periodics_reschedule (EV_A); |
1437 | # endif |
2145 | # endif |
1438 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1439 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1440 | } |
2146 | } |
1441 | else |
2147 | else |
1442 | #endif |
2148 | #endif |
1443 | { |
2149 | { |
1444 | ev_rt_now = ev_time (); |
2150 | ev_rt_now = ev_time (); |
1445 | |
2151 | |
1446 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
2152 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1447 | { |
2153 | { |
|
|
2154 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2155 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1448 | #if EV_PERIODIC_ENABLE |
2156 | #if EV_PERIODIC_ENABLE |
1449 | periodics_reschedule (EV_A); |
2157 | periodics_reschedule (EV_A); |
1450 | #endif |
2158 | #endif |
1451 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
1452 | for (i = 0; i < timercnt; ++i) |
|
|
1453 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
|
|
1454 | } |
2159 | } |
1455 | |
2160 | |
1456 | mn_now = ev_rt_now; |
2161 | mn_now = ev_rt_now; |
1457 | } |
2162 | } |
1458 | } |
2163 | } |
1459 | |
2164 | |
1460 | void |
2165 | void |
1461 | ev_ref (EV_P) |
|
|
1462 | { |
|
|
1463 | ++activecnt; |
|
|
1464 | } |
|
|
1465 | |
|
|
1466 | void |
|
|
1467 | ev_unref (EV_P) |
|
|
1468 | { |
|
|
1469 | --activecnt; |
|
|
1470 | } |
|
|
1471 | |
|
|
1472 | static int loop_done; |
|
|
1473 | |
|
|
1474 | void |
|
|
1475 | ev_loop (EV_P_ int flags) |
2166 | ev_loop (EV_P_ int flags) |
1476 | { |
2167 | { |
1477 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
2168 | #if EV_MINIMAL < 2 |
1478 | ? EVUNLOOP_ONE |
2169 | ++loop_depth; |
1479 | : EVUNLOOP_CANCEL; |
2170 | #endif |
1480 | |
2171 | |
|
|
2172 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
|
|
2173 | |
|
|
2174 | loop_done = EVUNLOOP_CANCEL; |
|
|
2175 | |
1481 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2176 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
1482 | |
2177 | |
1483 | do |
2178 | do |
1484 | { |
2179 | { |
|
|
2180 | #if EV_VERIFY >= 2 |
|
|
2181 | ev_loop_verify (EV_A); |
|
|
2182 | #endif |
|
|
2183 | |
1485 | #ifndef _WIN32 |
2184 | #ifndef _WIN32 |
1486 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2185 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1487 | if (expect_false (getpid () != curpid)) |
2186 | if (expect_false (getpid () != curpid)) |
1488 | { |
2187 | { |
1489 | curpid = getpid (); |
2188 | curpid = getpid (); |
… | |
… | |
1495 | /* we might have forked, so queue fork handlers */ |
2194 | /* we might have forked, so queue fork handlers */ |
1496 | if (expect_false (postfork)) |
2195 | if (expect_false (postfork)) |
1497 | if (forkcnt) |
2196 | if (forkcnt) |
1498 | { |
2197 | { |
1499 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2198 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1500 | call_pending (EV_A); |
2199 | EV_INVOKE_PENDING; |
1501 | } |
2200 | } |
1502 | #endif |
2201 | #endif |
1503 | |
2202 | |
1504 | /* queue prepare watchers (and execute them) */ |
2203 | /* queue prepare watchers (and execute them) */ |
1505 | if (expect_false (preparecnt)) |
2204 | if (expect_false (preparecnt)) |
1506 | { |
2205 | { |
1507 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2206 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1508 | call_pending (EV_A); |
2207 | EV_INVOKE_PENDING; |
1509 | } |
2208 | } |
1510 | |
2209 | |
1511 | if (expect_false (!activecnt)) |
2210 | if (expect_false (loop_done)) |
1512 | break; |
2211 | break; |
1513 | |
2212 | |
1514 | /* we might have forked, so reify kernel state if necessary */ |
2213 | /* we might have forked, so reify kernel state if necessary */ |
1515 | if (expect_false (postfork)) |
2214 | if (expect_false (postfork)) |
1516 | loop_fork (EV_A); |
2215 | loop_fork (EV_A); |
… | |
… | |
1523 | ev_tstamp waittime = 0.; |
2222 | ev_tstamp waittime = 0.; |
1524 | ev_tstamp sleeptime = 0.; |
2223 | ev_tstamp sleeptime = 0.; |
1525 | |
2224 | |
1526 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2225 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1527 | { |
2226 | { |
|
|
2227 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2228 | ev_tstamp prev_mn_now = mn_now; |
|
|
2229 | |
1528 | /* update time to cancel out callback processing overhead */ |
2230 | /* update time to cancel out callback processing overhead */ |
1529 | time_update (EV_A_ 1e100); |
2231 | time_update (EV_A_ 1e100); |
1530 | |
2232 | |
1531 | waittime = MAX_BLOCKTIME; |
2233 | waittime = MAX_BLOCKTIME; |
1532 | |
2234 | |
1533 | if (timercnt) |
2235 | if (timercnt) |
1534 | { |
2236 | { |
1535 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2237 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1536 | if (waittime > to) waittime = to; |
2238 | if (waittime > to) waittime = to; |
1537 | } |
2239 | } |
1538 | |
2240 | |
1539 | #if EV_PERIODIC_ENABLE |
2241 | #if EV_PERIODIC_ENABLE |
1540 | if (periodiccnt) |
2242 | if (periodiccnt) |
1541 | { |
2243 | { |
1542 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2244 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1543 | if (waittime > to) waittime = to; |
2245 | if (waittime > to) waittime = to; |
1544 | } |
2246 | } |
1545 | #endif |
2247 | #endif |
1546 | |
2248 | |
|
|
2249 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
1547 | if (expect_false (waittime < timeout_blocktime)) |
2250 | if (expect_false (waittime < timeout_blocktime)) |
1548 | waittime = timeout_blocktime; |
2251 | waittime = timeout_blocktime; |
1549 | |
2252 | |
1550 | sleeptime = waittime - backend_fudge; |
2253 | /* extra check because io_blocktime is commonly 0 */ |
1551 | |
|
|
1552 | if (expect_true (sleeptime > io_blocktime)) |
2254 | if (expect_false (io_blocktime)) |
1553 | sleeptime = io_blocktime; |
|
|
1554 | |
|
|
1555 | if (sleeptime) |
|
|
1556 | { |
2255 | { |
|
|
2256 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
|
|
2257 | |
|
|
2258 | if (sleeptime > waittime - backend_fudge) |
|
|
2259 | sleeptime = waittime - backend_fudge; |
|
|
2260 | |
|
|
2261 | if (expect_true (sleeptime > 0.)) |
|
|
2262 | { |
1557 | ev_sleep (sleeptime); |
2263 | ev_sleep (sleeptime); |
1558 | waittime -= sleeptime; |
2264 | waittime -= sleeptime; |
|
|
2265 | } |
1559 | } |
2266 | } |
1560 | } |
2267 | } |
1561 | |
2268 | |
|
|
2269 | #if EV_MINIMAL < 2 |
1562 | ++loop_count; |
2270 | ++loop_count; |
|
|
2271 | #endif |
|
|
2272 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
1563 | backend_poll (EV_A_ waittime); |
2273 | backend_poll (EV_A_ waittime); |
|
|
2274 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
1564 | |
2275 | |
1565 | /* update ev_rt_now, do magic */ |
2276 | /* update ev_rt_now, do magic */ |
1566 | time_update (EV_A_ waittime + sleeptime); |
2277 | time_update (EV_A_ waittime + sleeptime); |
1567 | } |
2278 | } |
1568 | |
2279 | |
… | |
… | |
1579 | |
2290 | |
1580 | /* queue check watchers, to be executed first */ |
2291 | /* queue check watchers, to be executed first */ |
1581 | if (expect_false (checkcnt)) |
2292 | if (expect_false (checkcnt)) |
1582 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2293 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1583 | |
2294 | |
1584 | call_pending (EV_A); |
2295 | EV_INVOKE_PENDING; |
1585 | |
|
|
1586 | } |
2296 | } |
1587 | while (expect_true (activecnt && !loop_done)); |
2297 | while (expect_true ( |
|
|
2298 | activecnt |
|
|
2299 | && !loop_done |
|
|
2300 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2301 | )); |
1588 | |
2302 | |
1589 | if (loop_done == EVUNLOOP_ONE) |
2303 | if (loop_done == EVUNLOOP_ONE) |
1590 | loop_done = EVUNLOOP_CANCEL; |
2304 | loop_done = EVUNLOOP_CANCEL; |
|
|
2305 | |
|
|
2306 | #if EV_MINIMAL < 2 |
|
|
2307 | --loop_depth; |
|
|
2308 | #endif |
1591 | } |
2309 | } |
1592 | |
2310 | |
1593 | void |
2311 | void |
1594 | ev_unloop (EV_P_ int how) |
2312 | ev_unloop (EV_P_ int how) |
1595 | { |
2313 | { |
1596 | loop_done = how; |
2314 | loop_done = how; |
1597 | } |
2315 | } |
1598 | |
2316 | |
|
|
2317 | void |
|
|
2318 | ev_ref (EV_P) |
|
|
2319 | { |
|
|
2320 | ++activecnt; |
|
|
2321 | } |
|
|
2322 | |
|
|
2323 | void |
|
|
2324 | ev_unref (EV_P) |
|
|
2325 | { |
|
|
2326 | --activecnt; |
|
|
2327 | } |
|
|
2328 | |
|
|
2329 | void |
|
|
2330 | ev_now_update (EV_P) |
|
|
2331 | { |
|
|
2332 | time_update (EV_A_ 1e100); |
|
|
2333 | } |
|
|
2334 | |
|
|
2335 | void |
|
|
2336 | ev_suspend (EV_P) |
|
|
2337 | { |
|
|
2338 | ev_now_update (EV_A); |
|
|
2339 | } |
|
|
2340 | |
|
|
2341 | void |
|
|
2342 | ev_resume (EV_P) |
|
|
2343 | { |
|
|
2344 | ev_tstamp mn_prev = mn_now; |
|
|
2345 | |
|
|
2346 | ev_now_update (EV_A); |
|
|
2347 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2348 | #if EV_PERIODIC_ENABLE |
|
|
2349 | /* TODO: really do this? */ |
|
|
2350 | periodics_reschedule (EV_A); |
|
|
2351 | #endif |
|
|
2352 | } |
|
|
2353 | |
1599 | /*****************************************************************************/ |
2354 | /*****************************************************************************/ |
|
|
2355 | /* singly-linked list management, used when the expected list length is short */ |
1600 | |
2356 | |
1601 | void inline_size |
2357 | inline_size void |
1602 | wlist_add (WL *head, WL elem) |
2358 | wlist_add (WL *head, WL elem) |
1603 | { |
2359 | { |
1604 | elem->next = *head; |
2360 | elem->next = *head; |
1605 | *head = elem; |
2361 | *head = elem; |
1606 | } |
2362 | } |
1607 | |
2363 | |
1608 | void inline_size |
2364 | inline_size void |
1609 | wlist_del (WL *head, WL elem) |
2365 | wlist_del (WL *head, WL elem) |
1610 | { |
2366 | { |
1611 | while (*head) |
2367 | while (*head) |
1612 | { |
2368 | { |
1613 | if (*head == elem) |
2369 | if (*head == elem) |
… | |
… | |
1618 | |
2374 | |
1619 | head = &(*head)->next; |
2375 | head = &(*head)->next; |
1620 | } |
2376 | } |
1621 | } |
2377 | } |
1622 | |
2378 | |
1623 | void inline_speed |
2379 | /* internal, faster, version of ev_clear_pending */ |
|
|
2380 | inline_speed void |
1624 | clear_pending (EV_P_ W w) |
2381 | clear_pending (EV_P_ W w) |
1625 | { |
2382 | { |
1626 | if (w->pending) |
2383 | if (w->pending) |
1627 | { |
2384 | { |
1628 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2385 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
1629 | w->pending = 0; |
2386 | w->pending = 0; |
1630 | } |
2387 | } |
1631 | } |
2388 | } |
1632 | |
2389 | |
1633 | int |
2390 | int |
… | |
… | |
1637 | int pending = w_->pending; |
2394 | int pending = w_->pending; |
1638 | |
2395 | |
1639 | if (expect_true (pending)) |
2396 | if (expect_true (pending)) |
1640 | { |
2397 | { |
1641 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
2398 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2399 | p->w = (W)&pending_w; |
1642 | w_->pending = 0; |
2400 | w_->pending = 0; |
1643 | p->w = 0; |
|
|
1644 | return p->events; |
2401 | return p->events; |
1645 | } |
2402 | } |
1646 | else |
2403 | else |
1647 | return 0; |
2404 | return 0; |
1648 | } |
2405 | } |
1649 | |
2406 | |
1650 | void inline_size |
2407 | inline_size void |
1651 | pri_adjust (EV_P_ W w) |
2408 | pri_adjust (EV_P_ W w) |
1652 | { |
2409 | { |
1653 | int pri = w->priority; |
2410 | int pri = ev_priority (w); |
1654 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2411 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
1655 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2412 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
1656 | w->priority = pri; |
2413 | ev_set_priority (w, pri); |
1657 | } |
2414 | } |
1658 | |
2415 | |
1659 | void inline_speed |
2416 | inline_speed void |
1660 | ev_start (EV_P_ W w, int active) |
2417 | ev_start (EV_P_ W w, int active) |
1661 | { |
2418 | { |
1662 | pri_adjust (EV_A_ w); |
2419 | pri_adjust (EV_A_ w); |
1663 | w->active = active; |
2420 | w->active = active; |
1664 | ev_ref (EV_A); |
2421 | ev_ref (EV_A); |
1665 | } |
2422 | } |
1666 | |
2423 | |
1667 | void inline_size |
2424 | inline_size void |
1668 | ev_stop (EV_P_ W w) |
2425 | ev_stop (EV_P_ W w) |
1669 | { |
2426 | { |
1670 | ev_unref (EV_A); |
2427 | ev_unref (EV_A); |
1671 | w->active = 0; |
2428 | w->active = 0; |
1672 | } |
2429 | } |
… | |
… | |
1679 | int fd = w->fd; |
2436 | int fd = w->fd; |
1680 | |
2437 | |
1681 | if (expect_false (ev_is_active (w))) |
2438 | if (expect_false (ev_is_active (w))) |
1682 | return; |
2439 | return; |
1683 | |
2440 | |
1684 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2441 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2442 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2443 | |
|
|
2444 | EV_FREQUENT_CHECK; |
1685 | |
2445 | |
1686 | ev_start (EV_A_ (W)w, 1); |
2446 | ev_start (EV_A_ (W)w, 1); |
1687 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2447 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1688 | wlist_add (&anfds[fd].head, (WL)w); |
2448 | wlist_add (&anfds[fd].head, (WL)w); |
1689 | |
2449 | |
1690 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2450 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
1691 | w->events &= ~EV_IOFDSET; |
2451 | w->events &= ~EV__IOFDSET; |
|
|
2452 | |
|
|
2453 | EV_FREQUENT_CHECK; |
1692 | } |
2454 | } |
1693 | |
2455 | |
1694 | void noinline |
2456 | void noinline |
1695 | ev_io_stop (EV_P_ ev_io *w) |
2457 | ev_io_stop (EV_P_ ev_io *w) |
1696 | { |
2458 | { |
1697 | clear_pending (EV_A_ (W)w); |
2459 | clear_pending (EV_A_ (W)w); |
1698 | if (expect_false (!ev_is_active (w))) |
2460 | if (expect_false (!ev_is_active (w))) |
1699 | return; |
2461 | return; |
1700 | |
2462 | |
1701 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2463 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2464 | |
|
|
2465 | EV_FREQUENT_CHECK; |
1702 | |
2466 | |
1703 | wlist_del (&anfds[w->fd].head, (WL)w); |
2467 | wlist_del (&anfds[w->fd].head, (WL)w); |
1704 | ev_stop (EV_A_ (W)w); |
2468 | ev_stop (EV_A_ (W)w); |
1705 | |
2469 | |
1706 | fd_change (EV_A_ w->fd, 1); |
2470 | fd_change (EV_A_ w->fd, 1); |
|
|
2471 | |
|
|
2472 | EV_FREQUENT_CHECK; |
1707 | } |
2473 | } |
1708 | |
2474 | |
1709 | void noinline |
2475 | void noinline |
1710 | ev_timer_start (EV_P_ ev_timer *w) |
2476 | ev_timer_start (EV_P_ ev_timer *w) |
1711 | { |
2477 | { |
1712 | if (expect_false (ev_is_active (w))) |
2478 | if (expect_false (ev_is_active (w))) |
1713 | return; |
2479 | return; |
1714 | |
2480 | |
1715 | ((WT)w)->at += mn_now; |
2481 | ev_at (w) += mn_now; |
1716 | |
2482 | |
1717 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2483 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1718 | |
2484 | |
|
|
2485 | EV_FREQUENT_CHECK; |
|
|
2486 | |
|
|
2487 | ++timercnt; |
1719 | ev_start (EV_A_ (W)w, ++timercnt); |
2488 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1720 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2489 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1721 | timers [timercnt - 1] = (WT)w; |
2490 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1722 | upheap (timers, timercnt - 1); |
2491 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2492 | upheap (timers, ev_active (w)); |
1723 | |
2493 | |
|
|
2494 | EV_FREQUENT_CHECK; |
|
|
2495 | |
1724 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2496 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1725 | } |
2497 | } |
1726 | |
2498 | |
1727 | void noinline |
2499 | void noinline |
1728 | ev_timer_stop (EV_P_ ev_timer *w) |
2500 | ev_timer_stop (EV_P_ ev_timer *w) |
1729 | { |
2501 | { |
1730 | clear_pending (EV_A_ (W)w); |
2502 | clear_pending (EV_A_ (W)w); |
1731 | if (expect_false (!ev_is_active (w))) |
2503 | if (expect_false (!ev_is_active (w))) |
1732 | return; |
2504 | return; |
1733 | |
2505 | |
1734 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2506 | EV_FREQUENT_CHECK; |
1735 | |
2507 | |
1736 | { |
2508 | { |
1737 | int active = ((W)w)->active; |
2509 | int active = ev_active (w); |
1738 | |
2510 | |
|
|
2511 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2512 | |
|
|
2513 | --timercnt; |
|
|
2514 | |
1739 | if (expect_true (--active < --timercnt)) |
2515 | if (expect_true (active < timercnt + HEAP0)) |
1740 | { |
2516 | { |
1741 | timers [active] = timers [timercnt]; |
2517 | timers [active] = timers [timercnt + HEAP0]; |
1742 | adjustheap (timers, timercnt, active); |
2518 | adjustheap (timers, timercnt, active); |
1743 | } |
2519 | } |
1744 | } |
2520 | } |
1745 | |
2521 | |
1746 | ((WT)w)->at -= mn_now; |
2522 | EV_FREQUENT_CHECK; |
|
|
2523 | |
|
|
2524 | ev_at (w) -= mn_now; |
1747 | |
2525 | |
1748 | ev_stop (EV_A_ (W)w); |
2526 | ev_stop (EV_A_ (W)w); |
1749 | } |
2527 | } |
1750 | |
2528 | |
1751 | void noinline |
2529 | void noinline |
1752 | ev_timer_again (EV_P_ ev_timer *w) |
2530 | ev_timer_again (EV_P_ ev_timer *w) |
1753 | { |
2531 | { |
|
|
2532 | EV_FREQUENT_CHECK; |
|
|
2533 | |
1754 | if (ev_is_active (w)) |
2534 | if (ev_is_active (w)) |
1755 | { |
2535 | { |
1756 | if (w->repeat) |
2536 | if (w->repeat) |
1757 | { |
2537 | { |
1758 | ((WT)w)->at = mn_now + w->repeat; |
2538 | ev_at (w) = mn_now + w->repeat; |
|
|
2539 | ANHE_at_cache (timers [ev_active (w)]); |
1759 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2540 | adjustheap (timers, timercnt, ev_active (w)); |
1760 | } |
2541 | } |
1761 | else |
2542 | else |
1762 | ev_timer_stop (EV_A_ w); |
2543 | ev_timer_stop (EV_A_ w); |
1763 | } |
2544 | } |
1764 | else if (w->repeat) |
2545 | else if (w->repeat) |
1765 | { |
2546 | { |
1766 | w->at = w->repeat; |
2547 | ev_at (w) = w->repeat; |
1767 | ev_timer_start (EV_A_ w); |
2548 | ev_timer_start (EV_A_ w); |
1768 | } |
2549 | } |
|
|
2550 | |
|
|
2551 | EV_FREQUENT_CHECK; |
|
|
2552 | } |
|
|
2553 | |
|
|
2554 | ev_tstamp |
|
|
2555 | ev_timer_remaining (EV_P_ ev_timer *w) |
|
|
2556 | { |
|
|
2557 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
1769 | } |
2558 | } |
1770 | |
2559 | |
1771 | #if EV_PERIODIC_ENABLE |
2560 | #if EV_PERIODIC_ENABLE |
1772 | void noinline |
2561 | void noinline |
1773 | ev_periodic_start (EV_P_ ev_periodic *w) |
2562 | ev_periodic_start (EV_P_ ev_periodic *w) |
1774 | { |
2563 | { |
1775 | if (expect_false (ev_is_active (w))) |
2564 | if (expect_false (ev_is_active (w))) |
1776 | return; |
2565 | return; |
1777 | |
2566 | |
1778 | if (w->reschedule_cb) |
2567 | if (w->reschedule_cb) |
1779 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2568 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1780 | else if (w->interval) |
2569 | else if (w->interval) |
1781 | { |
2570 | { |
1782 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2571 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1783 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2572 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1784 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2573 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1785 | } |
2574 | } |
1786 | else |
2575 | else |
1787 | ((WT)w)->at = w->offset; |
2576 | ev_at (w) = w->offset; |
1788 | |
2577 | |
|
|
2578 | EV_FREQUENT_CHECK; |
|
|
2579 | |
|
|
2580 | ++periodiccnt; |
1789 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2581 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1790 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2582 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1791 | periodics [periodiccnt - 1] = (WT)w; |
2583 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1792 | upheap (periodics, periodiccnt - 1); |
2584 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2585 | upheap (periodics, ev_active (w)); |
1793 | |
2586 | |
|
|
2587 | EV_FREQUENT_CHECK; |
|
|
2588 | |
1794 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2589 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1795 | } |
2590 | } |
1796 | |
2591 | |
1797 | void noinline |
2592 | void noinline |
1798 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2593 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1799 | { |
2594 | { |
1800 | clear_pending (EV_A_ (W)w); |
2595 | clear_pending (EV_A_ (W)w); |
1801 | if (expect_false (!ev_is_active (w))) |
2596 | if (expect_false (!ev_is_active (w))) |
1802 | return; |
2597 | return; |
1803 | |
2598 | |
1804 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2599 | EV_FREQUENT_CHECK; |
1805 | |
2600 | |
1806 | { |
2601 | { |
1807 | int active = ((W)w)->active; |
2602 | int active = ev_active (w); |
1808 | |
2603 | |
|
|
2604 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2605 | |
|
|
2606 | --periodiccnt; |
|
|
2607 | |
1809 | if (expect_true (--active < --periodiccnt)) |
2608 | if (expect_true (active < periodiccnt + HEAP0)) |
1810 | { |
2609 | { |
1811 | periodics [active] = periodics [periodiccnt]; |
2610 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1812 | adjustheap (periodics, periodiccnt, active); |
2611 | adjustheap (periodics, periodiccnt, active); |
1813 | } |
2612 | } |
1814 | } |
2613 | } |
1815 | |
2614 | |
|
|
2615 | EV_FREQUENT_CHECK; |
|
|
2616 | |
1816 | ev_stop (EV_A_ (W)w); |
2617 | ev_stop (EV_A_ (W)w); |
1817 | } |
2618 | } |
1818 | |
2619 | |
1819 | void noinline |
2620 | void noinline |
1820 | ev_periodic_again (EV_P_ ev_periodic *w) |
2621 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1831 | |
2632 | |
1832 | void noinline |
2633 | void noinline |
1833 | ev_signal_start (EV_P_ ev_signal *w) |
2634 | ev_signal_start (EV_P_ ev_signal *w) |
1834 | { |
2635 | { |
1835 | #if EV_MULTIPLICITY |
2636 | #if EV_MULTIPLICITY |
1836 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2637 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1837 | #endif |
2638 | #endif |
1838 | if (expect_false (ev_is_active (w))) |
2639 | if (expect_false (ev_is_active (w))) |
1839 | return; |
2640 | return; |
1840 | |
2641 | |
1841 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2642 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
2643 | |
|
|
2644 | EV_FREQUENT_CHECK; |
|
|
2645 | |
|
|
2646 | #if EV_USE_SIGNALFD |
|
|
2647 | if (sigfd == -2) |
|
|
2648 | { |
|
|
2649 | sigfd = signalfd (-1, &sigfd_set, SFD_NONBLOCK | SFD_CLOEXEC); |
|
|
2650 | if (sigfd < 0 && errno == EINVAL) |
|
|
2651 | sigfd = signalfd (-1, &sigfd_set, 0); /* retry without flags */ |
|
|
2652 | |
|
|
2653 | if (sigfd >= 0) |
|
|
2654 | { |
|
|
2655 | fd_intern (sigfd); /* doing it twice will not hurt */ |
|
|
2656 | |
|
|
2657 | sigemptyset (&sigfd_set); |
|
|
2658 | |
|
|
2659 | ev_io_init (&sigfd_w, sigfdcb, sigfd, EV_READ); |
|
|
2660 | ev_set_priority (&sigfd_w, EV_MAXPRI); |
|
|
2661 | ev_io_start (EV_A_ &sigfd_w); |
|
|
2662 | ev_unref (EV_A); /* signalfd watcher should not keep loop alive */ |
|
|
2663 | } |
|
|
2664 | } |
|
|
2665 | |
|
|
2666 | if (sigfd >= 0) |
|
|
2667 | { |
|
|
2668 | /* TODO: check .head */ |
|
|
2669 | sigaddset (&sigfd_set, w->signum); |
|
|
2670 | sigprocmask (SIG_BLOCK, &sigfd_set, 0); |
|
|
2671 | |
|
|
2672 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2673 | } |
|
|
2674 | else |
|
|
2675 | #endif |
|
|
2676 | evpipe_init (EV_A); |
1842 | |
2677 | |
1843 | { |
2678 | { |
1844 | #ifndef _WIN32 |
2679 | #ifndef _WIN32 |
1845 | sigset_t full, prev; |
2680 | sigset_t full, prev; |
1846 | sigfillset (&full); |
2681 | sigfillset (&full); |
1847 | sigprocmask (SIG_SETMASK, &full, &prev); |
2682 | sigprocmask (SIG_SETMASK, &full, &prev); |
1848 | #endif |
2683 | #endif |
1849 | |
2684 | |
1850 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2685 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
1851 | |
2686 | |
1852 | #ifndef _WIN32 |
2687 | #ifndef _WIN32 |
|
|
2688 | if (sigfd < 0)/*TODO*/ |
|
|
2689 | sigdelset (&prev, w->signum); |
1853 | sigprocmask (SIG_SETMASK, &prev, 0); |
2690 | sigprocmask (SIG_SETMASK, &prev, 0); |
1854 | #endif |
2691 | #endif |
1855 | } |
2692 | } |
1856 | |
2693 | |
1857 | ev_start (EV_A_ (W)w, 1); |
2694 | ev_start (EV_A_ (W)w, 1); |
1858 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2695 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1859 | |
2696 | |
1860 | if (!((WL)w)->next) |
2697 | if (!((WL)w)->next) |
1861 | { |
2698 | { |
1862 | #if _WIN32 |
2699 | #if _WIN32 |
1863 | signal (w->signum, sighandler); |
2700 | signal (w->signum, ev_sighandler); |
1864 | #else |
2701 | #else |
|
|
2702 | if (sigfd < 0) /*TODO*/ |
|
|
2703 | { |
1865 | struct sigaction sa; |
2704 | struct sigaction sa = { }; |
1866 | sa.sa_handler = sighandler; |
2705 | sa.sa_handler = ev_sighandler; |
1867 | sigfillset (&sa.sa_mask); |
2706 | sigfillset (&sa.sa_mask); |
1868 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2707 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1869 | sigaction (w->signum, &sa, 0); |
2708 | sigaction (w->signum, &sa, 0); |
|
|
2709 | } |
1870 | #endif |
2710 | #endif |
1871 | } |
2711 | } |
|
|
2712 | |
|
|
2713 | EV_FREQUENT_CHECK; |
1872 | } |
2714 | } |
1873 | |
2715 | |
1874 | void noinline |
2716 | void noinline |
1875 | ev_signal_stop (EV_P_ ev_signal *w) |
2717 | ev_signal_stop (EV_P_ ev_signal *w) |
1876 | { |
2718 | { |
1877 | clear_pending (EV_A_ (W)w); |
2719 | clear_pending (EV_A_ (W)w); |
1878 | if (expect_false (!ev_is_active (w))) |
2720 | if (expect_false (!ev_is_active (w))) |
1879 | return; |
2721 | return; |
1880 | |
2722 | |
|
|
2723 | EV_FREQUENT_CHECK; |
|
|
2724 | |
1881 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2725 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1882 | ev_stop (EV_A_ (W)w); |
2726 | ev_stop (EV_A_ (W)w); |
1883 | |
2727 | |
1884 | if (!signals [w->signum - 1].head) |
2728 | if (!signals [w->signum - 1].head) |
|
|
2729 | #if EV_USE_SIGNALFD |
|
|
2730 | if (sigfd >= 0) |
|
|
2731 | { |
|
|
2732 | sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D |
|
|
2733 | sigdelset (&sigfd_set, w->signum); |
|
|
2734 | signalfd (sigfd, &sigfd_set, 0); |
|
|
2735 | sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D |
|
|
2736 | /*TODO: maybe unblock signal? */ |
|
|
2737 | } |
|
|
2738 | else |
|
|
2739 | #endif |
1885 | signal (w->signum, SIG_DFL); |
2740 | signal (w->signum, SIG_DFL); |
|
|
2741 | |
|
|
2742 | EV_FREQUENT_CHECK; |
1886 | } |
2743 | } |
1887 | |
2744 | |
1888 | void |
2745 | void |
1889 | ev_child_start (EV_P_ ev_child *w) |
2746 | ev_child_start (EV_P_ ev_child *w) |
1890 | { |
2747 | { |
1891 | #if EV_MULTIPLICITY |
2748 | #if EV_MULTIPLICITY |
1892 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2749 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1893 | #endif |
2750 | #endif |
1894 | if (expect_false (ev_is_active (w))) |
2751 | if (expect_false (ev_is_active (w))) |
1895 | return; |
2752 | return; |
1896 | |
2753 | |
|
|
2754 | EV_FREQUENT_CHECK; |
|
|
2755 | |
1897 | ev_start (EV_A_ (W)w, 1); |
2756 | ev_start (EV_A_ (W)w, 1); |
1898 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2757 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2758 | |
|
|
2759 | EV_FREQUENT_CHECK; |
1899 | } |
2760 | } |
1900 | |
2761 | |
1901 | void |
2762 | void |
1902 | ev_child_stop (EV_P_ ev_child *w) |
2763 | ev_child_stop (EV_P_ ev_child *w) |
1903 | { |
2764 | { |
1904 | clear_pending (EV_A_ (W)w); |
2765 | clear_pending (EV_A_ (W)w); |
1905 | if (expect_false (!ev_is_active (w))) |
2766 | if (expect_false (!ev_is_active (w))) |
1906 | return; |
2767 | return; |
1907 | |
2768 | |
|
|
2769 | EV_FREQUENT_CHECK; |
|
|
2770 | |
1908 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2771 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1909 | ev_stop (EV_A_ (W)w); |
2772 | ev_stop (EV_A_ (W)w); |
|
|
2773 | |
|
|
2774 | EV_FREQUENT_CHECK; |
1910 | } |
2775 | } |
1911 | |
2776 | |
1912 | #if EV_STAT_ENABLE |
2777 | #if EV_STAT_ENABLE |
1913 | |
2778 | |
1914 | # ifdef _WIN32 |
2779 | # ifdef _WIN32 |
1915 | # undef lstat |
2780 | # undef lstat |
1916 | # define lstat(a,b) _stati64 (a,b) |
2781 | # define lstat(a,b) _stati64 (a,b) |
1917 | # endif |
2782 | # endif |
1918 | |
2783 | |
1919 | #define DEF_STAT_INTERVAL 5.0074891 |
2784 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2785 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
1920 | #define MIN_STAT_INTERVAL 0.1074891 |
2786 | #define MIN_STAT_INTERVAL 0.1074891 |
1921 | |
2787 | |
1922 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2788 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1923 | |
2789 | |
1924 | #if EV_USE_INOTIFY |
2790 | #if EV_USE_INOTIFY |
1925 | # define EV_INOTIFY_BUFSIZE 8192 |
2791 | # define EV_INOTIFY_BUFSIZE 8192 |
… | |
… | |
1929 | { |
2795 | { |
1930 | 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); |
2796 | 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); |
1931 | |
2797 | |
1932 | if (w->wd < 0) |
2798 | if (w->wd < 0) |
1933 | { |
2799 | { |
|
|
2800 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
1934 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2801 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
1935 | |
2802 | |
1936 | /* monitor some parent directory for speedup hints */ |
2803 | /* monitor some parent directory for speedup hints */ |
|
|
2804 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2805 | /* but an efficiency issue only */ |
1937 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2806 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1938 | { |
2807 | { |
1939 | char path [4096]; |
2808 | char path [4096]; |
1940 | strcpy (path, w->path); |
2809 | strcpy (path, w->path); |
1941 | |
2810 | |
… | |
… | |
1944 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2813 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
1945 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2814 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
1946 | |
2815 | |
1947 | char *pend = strrchr (path, '/'); |
2816 | char *pend = strrchr (path, '/'); |
1948 | |
2817 | |
1949 | if (!pend) |
2818 | if (!pend || pend == path) |
1950 | break; /* whoops, no '/', complain to your admin */ |
2819 | break; |
1951 | |
2820 | |
1952 | *pend = 0; |
2821 | *pend = 0; |
1953 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2822 | w->wd = inotify_add_watch (fs_fd, path, mask); |
1954 | } |
2823 | } |
1955 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2824 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
1956 | } |
2825 | } |
1957 | } |
2826 | } |
1958 | else |
|
|
1959 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1960 | |
2827 | |
1961 | if (w->wd >= 0) |
2828 | if (w->wd >= 0) |
|
|
2829 | { |
1962 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2830 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2831 | |
|
|
2832 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2833 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2834 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2835 | struct statfs sfs; |
|
|
2836 | |
|
|
2837 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2838 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2839 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2840 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2841 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2842 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2843 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2844 | return; |
|
|
2845 | |
|
|
2846 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2847 | ev_timer_again (EV_A_ &w->timer); |
|
|
2848 | } |
1963 | } |
2849 | } |
1964 | |
2850 | |
1965 | static void noinline |
2851 | static void noinline |
1966 | infy_del (EV_P_ ev_stat *w) |
2852 | infy_del (EV_P_ ev_stat *w) |
1967 | { |
2853 | { |
… | |
… | |
1981 | |
2867 | |
1982 | static void noinline |
2868 | static void noinline |
1983 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2869 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
1984 | { |
2870 | { |
1985 | if (slot < 0) |
2871 | if (slot < 0) |
1986 | /* overflow, need to check for all hahs slots */ |
2872 | /* overflow, need to check for all hash slots */ |
1987 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2873 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
1988 | infy_wd (EV_A_ slot, wd, ev); |
2874 | infy_wd (EV_A_ slot, wd, ev); |
1989 | else |
2875 | else |
1990 | { |
2876 | { |
1991 | WL w_; |
2877 | WL w_; |
… | |
… | |
1997 | |
2883 | |
1998 | if (w->wd == wd || wd == -1) |
2884 | if (w->wd == wd || wd == -1) |
1999 | { |
2885 | { |
2000 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2886 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2001 | { |
2887 | { |
|
|
2888 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2002 | w->wd = -1; |
2889 | w->wd = -1; |
2003 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2890 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2004 | } |
2891 | } |
2005 | |
2892 | |
2006 | stat_timer_cb (EV_A_ &w->timer, 0); |
2893 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
2019 | |
2906 | |
2020 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2907 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2021 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2908 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2022 | } |
2909 | } |
2023 | |
2910 | |
2024 | void inline_size |
2911 | inline_size void |
|
|
2912 | check_2625 (EV_P) |
|
|
2913 | { |
|
|
2914 | /* kernels < 2.6.25 are borked |
|
|
2915 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2916 | */ |
|
|
2917 | struct utsname buf; |
|
|
2918 | int major, minor, micro; |
|
|
2919 | |
|
|
2920 | if (uname (&buf)) |
|
|
2921 | return; |
|
|
2922 | |
|
|
2923 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2924 | return; |
|
|
2925 | |
|
|
2926 | if (major < 2 |
|
|
2927 | || (major == 2 && minor < 6) |
|
|
2928 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2929 | return; |
|
|
2930 | |
|
|
2931 | fs_2625 = 1; |
|
|
2932 | } |
|
|
2933 | |
|
|
2934 | inline_size void |
2025 | infy_init (EV_P) |
2935 | infy_init (EV_P) |
2026 | { |
2936 | { |
2027 | if (fs_fd != -2) |
2937 | if (fs_fd != -2) |
2028 | return; |
2938 | return; |
|
|
2939 | |
|
|
2940 | fs_fd = -1; |
|
|
2941 | |
|
|
2942 | check_2625 (EV_A); |
2029 | |
2943 | |
2030 | fs_fd = inotify_init (); |
2944 | fs_fd = inotify_init (); |
2031 | |
2945 | |
2032 | if (fs_fd >= 0) |
2946 | if (fs_fd >= 0) |
2033 | { |
2947 | { |
… | |
… | |
2035 | ev_set_priority (&fs_w, EV_MAXPRI); |
2949 | ev_set_priority (&fs_w, EV_MAXPRI); |
2036 | ev_io_start (EV_A_ &fs_w); |
2950 | ev_io_start (EV_A_ &fs_w); |
2037 | } |
2951 | } |
2038 | } |
2952 | } |
2039 | |
2953 | |
2040 | void inline_size |
2954 | inline_size void |
2041 | infy_fork (EV_P) |
2955 | infy_fork (EV_P) |
2042 | { |
2956 | { |
2043 | int slot; |
2957 | int slot; |
2044 | |
2958 | |
2045 | if (fs_fd < 0) |
2959 | if (fs_fd < 0) |
… | |
… | |
2061 | w->wd = -1; |
2975 | w->wd = -1; |
2062 | |
2976 | |
2063 | if (fs_fd >= 0) |
2977 | if (fs_fd >= 0) |
2064 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2978 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2065 | else |
2979 | else |
2066 | ev_timer_start (EV_A_ &w->timer); |
2980 | ev_timer_again (EV_A_ &w->timer); |
2067 | } |
2981 | } |
2068 | |
|
|
2069 | } |
2982 | } |
2070 | } |
2983 | } |
2071 | |
2984 | |
|
|
2985 | #endif |
|
|
2986 | |
|
|
2987 | #ifdef _WIN32 |
|
|
2988 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2989 | #else |
|
|
2990 | # define EV_LSTAT(p,b) lstat (p, b) |
2072 | #endif |
2991 | #endif |
2073 | |
2992 | |
2074 | void |
2993 | void |
2075 | ev_stat_stat (EV_P_ ev_stat *w) |
2994 | ev_stat_stat (EV_P_ ev_stat *w) |
2076 | { |
2995 | { |
… | |
… | |
2103 | || w->prev.st_atime != w->attr.st_atime |
3022 | || w->prev.st_atime != w->attr.st_atime |
2104 | || w->prev.st_mtime != w->attr.st_mtime |
3023 | || w->prev.st_mtime != w->attr.st_mtime |
2105 | || w->prev.st_ctime != w->attr.st_ctime |
3024 | || w->prev.st_ctime != w->attr.st_ctime |
2106 | ) { |
3025 | ) { |
2107 | #if EV_USE_INOTIFY |
3026 | #if EV_USE_INOTIFY |
|
|
3027 | if (fs_fd >= 0) |
|
|
3028 | { |
2108 | infy_del (EV_A_ w); |
3029 | infy_del (EV_A_ w); |
2109 | infy_add (EV_A_ w); |
3030 | infy_add (EV_A_ w); |
2110 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
3031 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
3032 | } |
2111 | #endif |
3033 | #endif |
2112 | |
3034 | |
2113 | ev_feed_event (EV_A_ w, EV_STAT); |
3035 | ev_feed_event (EV_A_ w, EV_STAT); |
2114 | } |
3036 | } |
2115 | } |
3037 | } |
… | |
… | |
2118 | ev_stat_start (EV_P_ ev_stat *w) |
3040 | ev_stat_start (EV_P_ ev_stat *w) |
2119 | { |
3041 | { |
2120 | if (expect_false (ev_is_active (w))) |
3042 | if (expect_false (ev_is_active (w))) |
2121 | return; |
3043 | return; |
2122 | |
3044 | |
2123 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2124 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2125 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2126 | |
|
|
2127 | ev_stat_stat (EV_A_ w); |
3045 | ev_stat_stat (EV_A_ w); |
2128 | |
3046 | |
|
|
3047 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
2129 | if (w->interval < MIN_STAT_INTERVAL) |
3048 | w->interval = MIN_STAT_INTERVAL; |
2130 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2131 | |
3049 | |
2132 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
3050 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
2133 | ev_set_priority (&w->timer, ev_priority (w)); |
3051 | ev_set_priority (&w->timer, ev_priority (w)); |
2134 | |
3052 | |
2135 | #if EV_USE_INOTIFY |
3053 | #if EV_USE_INOTIFY |
2136 | infy_init (EV_A); |
3054 | infy_init (EV_A); |
2137 | |
3055 | |
2138 | if (fs_fd >= 0) |
3056 | if (fs_fd >= 0) |
2139 | infy_add (EV_A_ w); |
3057 | infy_add (EV_A_ w); |
2140 | else |
3058 | else |
2141 | #endif |
3059 | #endif |
2142 | ev_timer_start (EV_A_ &w->timer); |
3060 | ev_timer_again (EV_A_ &w->timer); |
2143 | |
3061 | |
2144 | ev_start (EV_A_ (W)w, 1); |
3062 | ev_start (EV_A_ (W)w, 1); |
|
|
3063 | |
|
|
3064 | EV_FREQUENT_CHECK; |
2145 | } |
3065 | } |
2146 | |
3066 | |
2147 | void |
3067 | void |
2148 | ev_stat_stop (EV_P_ ev_stat *w) |
3068 | ev_stat_stop (EV_P_ ev_stat *w) |
2149 | { |
3069 | { |
2150 | clear_pending (EV_A_ (W)w); |
3070 | clear_pending (EV_A_ (W)w); |
2151 | if (expect_false (!ev_is_active (w))) |
3071 | if (expect_false (!ev_is_active (w))) |
2152 | return; |
3072 | return; |
2153 | |
3073 | |
|
|
3074 | EV_FREQUENT_CHECK; |
|
|
3075 | |
2154 | #if EV_USE_INOTIFY |
3076 | #if EV_USE_INOTIFY |
2155 | infy_del (EV_A_ w); |
3077 | infy_del (EV_A_ w); |
2156 | #endif |
3078 | #endif |
2157 | ev_timer_stop (EV_A_ &w->timer); |
3079 | ev_timer_stop (EV_A_ &w->timer); |
2158 | |
3080 | |
2159 | ev_stop (EV_A_ (W)w); |
3081 | ev_stop (EV_A_ (W)w); |
|
|
3082 | |
|
|
3083 | EV_FREQUENT_CHECK; |
2160 | } |
3084 | } |
2161 | #endif |
3085 | #endif |
2162 | |
3086 | |
2163 | #if EV_IDLE_ENABLE |
3087 | #if EV_IDLE_ENABLE |
2164 | void |
3088 | void |
… | |
… | |
2166 | { |
3090 | { |
2167 | if (expect_false (ev_is_active (w))) |
3091 | if (expect_false (ev_is_active (w))) |
2168 | return; |
3092 | return; |
2169 | |
3093 | |
2170 | pri_adjust (EV_A_ (W)w); |
3094 | pri_adjust (EV_A_ (W)w); |
|
|
3095 | |
|
|
3096 | EV_FREQUENT_CHECK; |
2171 | |
3097 | |
2172 | { |
3098 | { |
2173 | int active = ++idlecnt [ABSPRI (w)]; |
3099 | int active = ++idlecnt [ABSPRI (w)]; |
2174 | |
3100 | |
2175 | ++idleall; |
3101 | ++idleall; |
2176 | ev_start (EV_A_ (W)w, active); |
3102 | ev_start (EV_A_ (W)w, active); |
2177 | |
3103 | |
2178 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
3104 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2179 | idles [ABSPRI (w)][active - 1] = w; |
3105 | idles [ABSPRI (w)][active - 1] = w; |
2180 | } |
3106 | } |
|
|
3107 | |
|
|
3108 | EV_FREQUENT_CHECK; |
2181 | } |
3109 | } |
2182 | |
3110 | |
2183 | void |
3111 | void |
2184 | ev_idle_stop (EV_P_ ev_idle *w) |
3112 | ev_idle_stop (EV_P_ ev_idle *w) |
2185 | { |
3113 | { |
2186 | clear_pending (EV_A_ (W)w); |
3114 | clear_pending (EV_A_ (W)w); |
2187 | if (expect_false (!ev_is_active (w))) |
3115 | if (expect_false (!ev_is_active (w))) |
2188 | return; |
3116 | return; |
2189 | |
3117 | |
|
|
3118 | EV_FREQUENT_CHECK; |
|
|
3119 | |
2190 | { |
3120 | { |
2191 | int active = ((W)w)->active; |
3121 | int active = ev_active (w); |
2192 | |
3122 | |
2193 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
3123 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2194 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
3124 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2195 | |
3125 | |
2196 | ev_stop (EV_A_ (W)w); |
3126 | ev_stop (EV_A_ (W)w); |
2197 | --idleall; |
3127 | --idleall; |
2198 | } |
3128 | } |
|
|
3129 | |
|
|
3130 | EV_FREQUENT_CHECK; |
2199 | } |
3131 | } |
2200 | #endif |
3132 | #endif |
2201 | |
3133 | |
2202 | void |
3134 | void |
2203 | ev_prepare_start (EV_P_ ev_prepare *w) |
3135 | ev_prepare_start (EV_P_ ev_prepare *w) |
2204 | { |
3136 | { |
2205 | if (expect_false (ev_is_active (w))) |
3137 | if (expect_false (ev_is_active (w))) |
2206 | return; |
3138 | return; |
|
|
3139 | |
|
|
3140 | EV_FREQUENT_CHECK; |
2207 | |
3141 | |
2208 | ev_start (EV_A_ (W)w, ++preparecnt); |
3142 | ev_start (EV_A_ (W)w, ++preparecnt); |
2209 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
3143 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2210 | prepares [preparecnt - 1] = w; |
3144 | prepares [preparecnt - 1] = w; |
|
|
3145 | |
|
|
3146 | EV_FREQUENT_CHECK; |
2211 | } |
3147 | } |
2212 | |
3148 | |
2213 | void |
3149 | void |
2214 | ev_prepare_stop (EV_P_ ev_prepare *w) |
3150 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2215 | { |
3151 | { |
2216 | clear_pending (EV_A_ (W)w); |
3152 | clear_pending (EV_A_ (W)w); |
2217 | if (expect_false (!ev_is_active (w))) |
3153 | if (expect_false (!ev_is_active (w))) |
2218 | return; |
3154 | return; |
2219 | |
3155 | |
|
|
3156 | EV_FREQUENT_CHECK; |
|
|
3157 | |
2220 | { |
3158 | { |
2221 | int active = ((W)w)->active; |
3159 | int active = ev_active (w); |
|
|
3160 | |
2222 | prepares [active - 1] = prepares [--preparecnt]; |
3161 | prepares [active - 1] = prepares [--preparecnt]; |
2223 | ((W)prepares [active - 1])->active = active; |
3162 | ev_active (prepares [active - 1]) = active; |
2224 | } |
3163 | } |
2225 | |
3164 | |
2226 | ev_stop (EV_A_ (W)w); |
3165 | ev_stop (EV_A_ (W)w); |
|
|
3166 | |
|
|
3167 | EV_FREQUENT_CHECK; |
2227 | } |
3168 | } |
2228 | |
3169 | |
2229 | void |
3170 | void |
2230 | ev_check_start (EV_P_ ev_check *w) |
3171 | ev_check_start (EV_P_ ev_check *w) |
2231 | { |
3172 | { |
2232 | if (expect_false (ev_is_active (w))) |
3173 | if (expect_false (ev_is_active (w))) |
2233 | return; |
3174 | return; |
|
|
3175 | |
|
|
3176 | EV_FREQUENT_CHECK; |
2234 | |
3177 | |
2235 | ev_start (EV_A_ (W)w, ++checkcnt); |
3178 | ev_start (EV_A_ (W)w, ++checkcnt); |
2236 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
3179 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2237 | checks [checkcnt - 1] = w; |
3180 | checks [checkcnt - 1] = w; |
|
|
3181 | |
|
|
3182 | EV_FREQUENT_CHECK; |
2238 | } |
3183 | } |
2239 | |
3184 | |
2240 | void |
3185 | void |
2241 | ev_check_stop (EV_P_ ev_check *w) |
3186 | ev_check_stop (EV_P_ ev_check *w) |
2242 | { |
3187 | { |
2243 | clear_pending (EV_A_ (W)w); |
3188 | clear_pending (EV_A_ (W)w); |
2244 | if (expect_false (!ev_is_active (w))) |
3189 | if (expect_false (!ev_is_active (w))) |
2245 | return; |
3190 | return; |
2246 | |
3191 | |
|
|
3192 | EV_FREQUENT_CHECK; |
|
|
3193 | |
2247 | { |
3194 | { |
2248 | int active = ((W)w)->active; |
3195 | int active = ev_active (w); |
|
|
3196 | |
2249 | checks [active - 1] = checks [--checkcnt]; |
3197 | checks [active - 1] = checks [--checkcnt]; |
2250 | ((W)checks [active - 1])->active = active; |
3198 | ev_active (checks [active - 1]) = active; |
2251 | } |
3199 | } |
2252 | |
3200 | |
2253 | ev_stop (EV_A_ (W)w); |
3201 | ev_stop (EV_A_ (W)w); |
|
|
3202 | |
|
|
3203 | EV_FREQUENT_CHECK; |
2254 | } |
3204 | } |
2255 | |
3205 | |
2256 | #if EV_EMBED_ENABLE |
3206 | #if EV_EMBED_ENABLE |
2257 | void noinline |
3207 | void noinline |
2258 | ev_embed_sweep (EV_P_ ev_embed *w) |
3208 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2266 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3216 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2267 | |
3217 | |
2268 | if (ev_cb (w)) |
3218 | if (ev_cb (w)) |
2269 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3219 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2270 | else |
3220 | else |
2271 | ev_embed_sweep (loop, w); |
3221 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2272 | } |
3222 | } |
2273 | |
3223 | |
2274 | static void |
3224 | static void |
2275 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3225 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2276 | { |
3226 | { |
2277 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
3227 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2278 | |
3228 | |
2279 | fd_reify (w->other); |
3229 | { |
|
|
3230 | struct ev_loop *loop = w->other; |
|
|
3231 | |
|
|
3232 | while (fdchangecnt) |
|
|
3233 | { |
|
|
3234 | fd_reify (EV_A); |
|
|
3235 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
3236 | } |
|
|
3237 | } |
2280 | } |
3238 | } |
|
|
3239 | |
|
|
3240 | static void |
|
|
3241 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
3242 | { |
|
|
3243 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
3244 | |
|
|
3245 | ev_embed_stop (EV_A_ w); |
|
|
3246 | |
|
|
3247 | { |
|
|
3248 | struct ev_loop *loop = w->other; |
|
|
3249 | |
|
|
3250 | ev_loop_fork (EV_A); |
|
|
3251 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
3252 | } |
|
|
3253 | |
|
|
3254 | ev_embed_start (EV_A_ w); |
|
|
3255 | } |
|
|
3256 | |
|
|
3257 | #if 0 |
|
|
3258 | static void |
|
|
3259 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
3260 | { |
|
|
3261 | ev_idle_stop (EV_A_ idle); |
|
|
3262 | } |
|
|
3263 | #endif |
2281 | |
3264 | |
2282 | void |
3265 | void |
2283 | ev_embed_start (EV_P_ ev_embed *w) |
3266 | ev_embed_start (EV_P_ ev_embed *w) |
2284 | { |
3267 | { |
2285 | if (expect_false (ev_is_active (w))) |
3268 | if (expect_false (ev_is_active (w))) |
2286 | return; |
3269 | return; |
2287 | |
3270 | |
2288 | { |
3271 | { |
2289 | struct ev_loop *loop = w->other; |
3272 | struct ev_loop *loop = w->other; |
2290 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3273 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2291 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
3274 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2292 | } |
3275 | } |
|
|
3276 | |
|
|
3277 | EV_FREQUENT_CHECK; |
2293 | |
3278 | |
2294 | ev_set_priority (&w->io, ev_priority (w)); |
3279 | ev_set_priority (&w->io, ev_priority (w)); |
2295 | ev_io_start (EV_A_ &w->io); |
3280 | ev_io_start (EV_A_ &w->io); |
2296 | |
3281 | |
2297 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
3282 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2298 | ev_set_priority (&w->prepare, EV_MINPRI); |
3283 | ev_set_priority (&w->prepare, EV_MINPRI); |
2299 | ev_prepare_start (EV_A_ &w->prepare); |
3284 | ev_prepare_start (EV_A_ &w->prepare); |
2300 | |
3285 | |
|
|
3286 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
3287 | ev_fork_start (EV_A_ &w->fork); |
|
|
3288 | |
|
|
3289 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
3290 | |
2301 | ev_start (EV_A_ (W)w, 1); |
3291 | ev_start (EV_A_ (W)w, 1); |
|
|
3292 | |
|
|
3293 | EV_FREQUENT_CHECK; |
2302 | } |
3294 | } |
2303 | |
3295 | |
2304 | void |
3296 | void |
2305 | ev_embed_stop (EV_P_ ev_embed *w) |
3297 | ev_embed_stop (EV_P_ ev_embed *w) |
2306 | { |
3298 | { |
2307 | clear_pending (EV_A_ (W)w); |
3299 | clear_pending (EV_A_ (W)w); |
2308 | if (expect_false (!ev_is_active (w))) |
3300 | if (expect_false (!ev_is_active (w))) |
2309 | return; |
3301 | return; |
2310 | |
3302 | |
|
|
3303 | EV_FREQUENT_CHECK; |
|
|
3304 | |
2311 | ev_io_stop (EV_A_ &w->io); |
3305 | ev_io_stop (EV_A_ &w->io); |
2312 | ev_prepare_stop (EV_A_ &w->prepare); |
3306 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
3307 | ev_fork_stop (EV_A_ &w->fork); |
2313 | |
3308 | |
2314 | ev_stop (EV_A_ (W)w); |
3309 | EV_FREQUENT_CHECK; |
2315 | } |
3310 | } |
2316 | #endif |
3311 | #endif |
2317 | |
3312 | |
2318 | #if EV_FORK_ENABLE |
3313 | #if EV_FORK_ENABLE |
2319 | void |
3314 | void |
2320 | ev_fork_start (EV_P_ ev_fork *w) |
3315 | ev_fork_start (EV_P_ ev_fork *w) |
2321 | { |
3316 | { |
2322 | if (expect_false (ev_is_active (w))) |
3317 | if (expect_false (ev_is_active (w))) |
2323 | return; |
3318 | return; |
|
|
3319 | |
|
|
3320 | EV_FREQUENT_CHECK; |
2324 | |
3321 | |
2325 | ev_start (EV_A_ (W)w, ++forkcnt); |
3322 | ev_start (EV_A_ (W)w, ++forkcnt); |
2326 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3323 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2327 | forks [forkcnt - 1] = w; |
3324 | forks [forkcnt - 1] = w; |
|
|
3325 | |
|
|
3326 | EV_FREQUENT_CHECK; |
2328 | } |
3327 | } |
2329 | |
3328 | |
2330 | void |
3329 | void |
2331 | ev_fork_stop (EV_P_ ev_fork *w) |
3330 | ev_fork_stop (EV_P_ ev_fork *w) |
2332 | { |
3331 | { |
2333 | clear_pending (EV_A_ (W)w); |
3332 | clear_pending (EV_A_ (W)w); |
2334 | if (expect_false (!ev_is_active (w))) |
3333 | if (expect_false (!ev_is_active (w))) |
2335 | return; |
3334 | return; |
2336 | |
3335 | |
|
|
3336 | EV_FREQUENT_CHECK; |
|
|
3337 | |
2337 | { |
3338 | { |
2338 | int active = ((W)w)->active; |
3339 | int active = ev_active (w); |
|
|
3340 | |
2339 | forks [active - 1] = forks [--forkcnt]; |
3341 | forks [active - 1] = forks [--forkcnt]; |
2340 | ((W)forks [active - 1])->active = active; |
3342 | ev_active (forks [active - 1]) = active; |
2341 | } |
3343 | } |
2342 | |
3344 | |
2343 | ev_stop (EV_A_ (W)w); |
3345 | ev_stop (EV_A_ (W)w); |
|
|
3346 | |
|
|
3347 | EV_FREQUENT_CHECK; |
|
|
3348 | } |
|
|
3349 | #endif |
|
|
3350 | |
|
|
3351 | #if EV_ASYNC_ENABLE |
|
|
3352 | void |
|
|
3353 | ev_async_start (EV_P_ ev_async *w) |
|
|
3354 | { |
|
|
3355 | if (expect_false (ev_is_active (w))) |
|
|
3356 | return; |
|
|
3357 | |
|
|
3358 | evpipe_init (EV_A); |
|
|
3359 | |
|
|
3360 | EV_FREQUENT_CHECK; |
|
|
3361 | |
|
|
3362 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
3363 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
3364 | asyncs [asynccnt - 1] = w; |
|
|
3365 | |
|
|
3366 | EV_FREQUENT_CHECK; |
|
|
3367 | } |
|
|
3368 | |
|
|
3369 | void |
|
|
3370 | ev_async_stop (EV_P_ ev_async *w) |
|
|
3371 | { |
|
|
3372 | clear_pending (EV_A_ (W)w); |
|
|
3373 | if (expect_false (!ev_is_active (w))) |
|
|
3374 | return; |
|
|
3375 | |
|
|
3376 | EV_FREQUENT_CHECK; |
|
|
3377 | |
|
|
3378 | { |
|
|
3379 | int active = ev_active (w); |
|
|
3380 | |
|
|
3381 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
3382 | ev_active (asyncs [active - 1]) = active; |
|
|
3383 | } |
|
|
3384 | |
|
|
3385 | ev_stop (EV_A_ (W)w); |
|
|
3386 | |
|
|
3387 | EV_FREQUENT_CHECK; |
|
|
3388 | } |
|
|
3389 | |
|
|
3390 | void |
|
|
3391 | ev_async_send (EV_P_ ev_async *w) |
|
|
3392 | { |
|
|
3393 | w->sent = 1; |
|
|
3394 | evpipe_write (EV_A_ &gotasync); |
2344 | } |
3395 | } |
2345 | #endif |
3396 | #endif |
2346 | |
3397 | |
2347 | /*****************************************************************************/ |
3398 | /*****************************************************************************/ |
2348 | |
3399 | |
… | |
… | |
2358 | once_cb (EV_P_ struct ev_once *once, int revents) |
3409 | once_cb (EV_P_ struct ev_once *once, int revents) |
2359 | { |
3410 | { |
2360 | void (*cb)(int revents, void *arg) = once->cb; |
3411 | void (*cb)(int revents, void *arg) = once->cb; |
2361 | void *arg = once->arg; |
3412 | void *arg = once->arg; |
2362 | |
3413 | |
2363 | ev_io_stop (EV_A_ &once->io); |
3414 | ev_io_stop (EV_A_ &once->io); |
2364 | ev_timer_stop (EV_A_ &once->to); |
3415 | ev_timer_stop (EV_A_ &once->to); |
2365 | ev_free (once); |
3416 | ev_free (once); |
2366 | |
3417 | |
2367 | cb (revents, arg); |
3418 | cb (revents, arg); |
2368 | } |
3419 | } |
2369 | |
3420 | |
2370 | static void |
3421 | static void |
2371 | once_cb_io (EV_P_ ev_io *w, int revents) |
3422 | once_cb_io (EV_P_ ev_io *w, int revents) |
2372 | { |
3423 | { |
2373 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3424 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3425 | |
|
|
3426 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2374 | } |
3427 | } |
2375 | |
3428 | |
2376 | static void |
3429 | static void |
2377 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3430 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2378 | { |
3431 | { |
2379 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3432 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3433 | |
|
|
3434 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2380 | } |
3435 | } |
2381 | |
3436 | |
2382 | void |
3437 | void |
2383 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3438 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2384 | { |
3439 | { |
… | |
… | |
2406 | ev_timer_set (&once->to, timeout, 0.); |
3461 | ev_timer_set (&once->to, timeout, 0.); |
2407 | ev_timer_start (EV_A_ &once->to); |
3462 | ev_timer_start (EV_A_ &once->to); |
2408 | } |
3463 | } |
2409 | } |
3464 | } |
2410 | |
3465 | |
|
|
3466 | /*****************************************************************************/ |
|
|
3467 | |
|
|
3468 | #if EV_WALK_ENABLE |
|
|
3469 | void |
|
|
3470 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3471 | { |
|
|
3472 | int i, j; |
|
|
3473 | ev_watcher_list *wl, *wn; |
|
|
3474 | |
|
|
3475 | if (types & (EV_IO | EV_EMBED)) |
|
|
3476 | for (i = 0; i < anfdmax; ++i) |
|
|
3477 | for (wl = anfds [i].head; wl; ) |
|
|
3478 | { |
|
|
3479 | wn = wl->next; |
|
|
3480 | |
|
|
3481 | #if EV_EMBED_ENABLE |
|
|
3482 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3483 | { |
|
|
3484 | if (types & EV_EMBED) |
|
|
3485 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3486 | } |
|
|
3487 | else |
|
|
3488 | #endif |
|
|
3489 | #if EV_USE_INOTIFY |
|
|
3490 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3491 | ; |
|
|
3492 | else |
|
|
3493 | #endif |
|
|
3494 | if ((ev_io *)wl != &pipe_w) |
|
|
3495 | if (types & EV_IO) |
|
|
3496 | cb (EV_A_ EV_IO, wl); |
|
|
3497 | |
|
|
3498 | wl = wn; |
|
|
3499 | } |
|
|
3500 | |
|
|
3501 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3502 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3503 | #if EV_STAT_ENABLE |
|
|
3504 | /*TODO: timer is not always active*/ |
|
|
3505 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3506 | { |
|
|
3507 | if (types & EV_STAT) |
|
|
3508 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3509 | } |
|
|
3510 | else |
|
|
3511 | #endif |
|
|
3512 | if (types & EV_TIMER) |
|
|
3513 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3514 | |
|
|
3515 | #if EV_PERIODIC_ENABLE |
|
|
3516 | if (types & EV_PERIODIC) |
|
|
3517 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3518 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3519 | #endif |
|
|
3520 | |
|
|
3521 | #if EV_IDLE_ENABLE |
|
|
3522 | if (types & EV_IDLE) |
|
|
3523 | for (j = NUMPRI; i--; ) |
|
|
3524 | for (i = idlecnt [j]; i--; ) |
|
|
3525 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3526 | #endif |
|
|
3527 | |
|
|
3528 | #if EV_FORK_ENABLE |
|
|
3529 | if (types & EV_FORK) |
|
|
3530 | for (i = forkcnt; i--; ) |
|
|
3531 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3532 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3533 | #endif |
|
|
3534 | |
|
|
3535 | #if EV_ASYNC_ENABLE |
|
|
3536 | if (types & EV_ASYNC) |
|
|
3537 | for (i = asynccnt; i--; ) |
|
|
3538 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3539 | #endif |
|
|
3540 | |
|
|
3541 | if (types & EV_PREPARE) |
|
|
3542 | for (i = preparecnt; i--; ) |
|
|
3543 | #if EV_EMBED_ENABLE |
|
|
3544 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3545 | #endif |
|
|
3546 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3547 | |
|
|
3548 | if (types & EV_CHECK) |
|
|
3549 | for (i = checkcnt; i--; ) |
|
|
3550 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3551 | |
|
|
3552 | if (types & EV_SIGNAL) |
|
|
3553 | for (i = 0; i < signalmax; ++i) |
|
|
3554 | for (wl = signals [i].head; wl; ) |
|
|
3555 | { |
|
|
3556 | wn = wl->next; |
|
|
3557 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3558 | wl = wn; |
|
|
3559 | } |
|
|
3560 | |
|
|
3561 | if (types & EV_CHILD) |
|
|
3562 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3563 | for (wl = childs [i]; wl; ) |
|
|
3564 | { |
|
|
3565 | wn = wl->next; |
|
|
3566 | cb (EV_A_ EV_CHILD, wl); |
|
|
3567 | wl = wn; |
|
|
3568 | } |
|
|
3569 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3570 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3571 | } |
|
|
3572 | #endif |
|
|
3573 | |
2411 | #if EV_MULTIPLICITY |
3574 | #if EV_MULTIPLICITY |
2412 | #include "ev_wrap.h" |
3575 | #include "ev_wrap.h" |
2413 | #endif |
3576 | #endif |
2414 | |
3577 | |
2415 | #ifdef __cplusplus |
3578 | #ifdef __cplusplus |