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 | # endif |
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63 | |
43 | # if HAVE_CLOCK_GETTIME |
64 | # if HAVE_CLOCK_GETTIME |
44 | # ifndef EV_USE_MONOTONIC |
65 | # ifndef EV_USE_MONOTONIC |
45 | # define EV_USE_MONOTONIC 1 |
66 | # define EV_USE_MONOTONIC 1 |
46 | # endif |
67 | # endif |
47 | # ifndef EV_USE_REALTIME |
68 | # ifndef EV_USE_REALTIME |
48 | # define EV_USE_REALTIME 1 |
69 | # define EV_USE_REALTIME 0 |
49 | # endif |
70 | # endif |
50 | # else |
71 | # else |
51 | # ifndef EV_USE_MONOTONIC |
72 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
73 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
74 | # endif |
54 | # ifndef EV_USE_REALTIME |
75 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
76 | # define EV_USE_REALTIME 0 |
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77 | # endif |
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78 | # endif |
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79 | |
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80 | # ifndef EV_USE_NANOSLEEP |
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81 | # if HAVE_NANOSLEEP |
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82 | # define EV_USE_NANOSLEEP 1 |
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83 | # else |
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84 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
85 | # endif |
57 | # endif |
86 | # endif |
58 | |
87 | |
59 | # ifndef EV_USE_SELECT |
88 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
89 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
102 | # else |
131 | # else |
103 | # define EV_USE_INOTIFY 0 |
132 | # define EV_USE_INOTIFY 0 |
104 | # endif |
133 | # endif |
105 | # endif |
134 | # endif |
106 | |
135 | |
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136 | # ifndef EV_USE_EVENTFD |
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137 | # if HAVE_EVENTFD |
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138 | # define EV_USE_EVENTFD 1 |
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139 | # else |
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140 | # define EV_USE_EVENTFD 0 |
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141 | # endif |
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142 | # endif |
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143 | |
107 | #endif |
144 | #endif |
108 | |
145 | |
109 | #include <math.h> |
146 | #include <math.h> |
110 | #include <stdlib.h> |
147 | #include <stdlib.h> |
111 | #include <fcntl.h> |
148 | #include <fcntl.h> |
… | |
… | |
129 | #ifndef _WIN32 |
166 | #ifndef _WIN32 |
130 | # include <sys/time.h> |
167 | # include <sys/time.h> |
131 | # include <sys/wait.h> |
168 | # include <sys/wait.h> |
132 | # include <unistd.h> |
169 | # include <unistd.h> |
133 | #else |
170 | #else |
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171 | # include <io.h> |
134 | # define WIN32_LEAN_AND_MEAN |
172 | # define WIN32_LEAN_AND_MEAN |
135 | # include <windows.h> |
173 | # include <windows.h> |
136 | # ifndef EV_SELECT_IS_WINSOCKET |
174 | # ifndef EV_SELECT_IS_WINSOCKET |
137 | # define EV_SELECT_IS_WINSOCKET 1 |
175 | # define EV_SELECT_IS_WINSOCKET 1 |
138 | # endif |
176 | # endif |
139 | #endif |
177 | #endif |
140 | |
178 | |
141 | /**/ |
179 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
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180 | |
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181 | #ifndef EV_USE_CLOCK_SYSCALL |
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182 | # if __linux && __GLIBC__ >= 2 |
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183 | # define EV_USE_CLOCK_SYSCALL 1 |
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184 | # else |
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185 | # define EV_USE_CLOCK_SYSCALL 0 |
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186 | # endif |
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187 | #endif |
142 | |
188 | |
143 | #ifndef EV_USE_MONOTONIC |
189 | #ifndef EV_USE_MONOTONIC |
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190 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
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191 | # define EV_USE_MONOTONIC 1 |
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192 | # else |
144 | # define EV_USE_MONOTONIC 0 |
193 | # define EV_USE_MONOTONIC 0 |
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194 | # endif |
145 | #endif |
195 | #endif |
146 | |
196 | |
147 | #ifndef EV_USE_REALTIME |
197 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
198 | # define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL |
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199 | #endif |
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200 | |
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201 | #ifndef EV_USE_NANOSLEEP |
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202 | # if _POSIX_C_SOURCE >= 199309L |
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203 | # define EV_USE_NANOSLEEP 1 |
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204 | # else |
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205 | # define EV_USE_NANOSLEEP 0 |
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206 | # endif |
149 | #endif |
207 | #endif |
150 | |
208 | |
151 | #ifndef EV_USE_SELECT |
209 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
210 | # define EV_USE_SELECT 1 |
153 | #endif |
211 | #endif |
… | |
… | |
159 | # define EV_USE_POLL 1 |
217 | # define EV_USE_POLL 1 |
160 | # endif |
218 | # endif |
161 | #endif |
219 | #endif |
162 | |
220 | |
163 | #ifndef EV_USE_EPOLL |
221 | #ifndef EV_USE_EPOLL |
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222 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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223 | # define EV_USE_EPOLL 1 |
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224 | # else |
164 | # define EV_USE_EPOLL 0 |
225 | # define EV_USE_EPOLL 0 |
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226 | # endif |
165 | #endif |
227 | #endif |
166 | |
228 | |
167 | #ifndef EV_USE_KQUEUE |
229 | #ifndef EV_USE_KQUEUE |
168 | # define EV_USE_KQUEUE 0 |
230 | # define EV_USE_KQUEUE 0 |
169 | #endif |
231 | #endif |
… | |
… | |
171 | #ifndef EV_USE_PORT |
233 | #ifndef EV_USE_PORT |
172 | # define EV_USE_PORT 0 |
234 | # define EV_USE_PORT 0 |
173 | #endif |
235 | #endif |
174 | |
236 | |
175 | #ifndef EV_USE_INOTIFY |
237 | #ifndef EV_USE_INOTIFY |
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238 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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239 | # define EV_USE_INOTIFY 1 |
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240 | # else |
176 | # define EV_USE_INOTIFY 0 |
241 | # define EV_USE_INOTIFY 0 |
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242 | # endif |
177 | #endif |
243 | #endif |
178 | |
244 | |
179 | #ifndef EV_PID_HASHSIZE |
245 | #ifndef EV_PID_HASHSIZE |
180 | # if EV_MINIMAL |
246 | # if EV_MINIMAL |
181 | # define EV_PID_HASHSIZE 1 |
247 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
190 | # else |
256 | # else |
191 | # define EV_INOTIFY_HASHSIZE 16 |
257 | # define EV_INOTIFY_HASHSIZE 16 |
192 | # endif |
258 | # endif |
193 | #endif |
259 | #endif |
194 | |
260 | |
195 | /**/ |
261 | #ifndef EV_USE_EVENTFD |
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262 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
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263 | # define EV_USE_EVENTFD 1 |
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264 | # else |
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265 | # define EV_USE_EVENTFD 0 |
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266 | # endif |
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267 | #endif |
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268 | |
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269 | #if 0 /* debugging */ |
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270 | # define EV_VERIFY 3 |
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271 | # define EV_USE_4HEAP 1 |
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272 | # define EV_HEAP_CACHE_AT 1 |
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273 | #endif |
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274 | |
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275 | #ifndef EV_VERIFY |
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276 | # define EV_VERIFY !EV_MINIMAL |
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277 | #endif |
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278 | |
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279 | #ifndef EV_USE_4HEAP |
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280 | # define EV_USE_4HEAP !EV_MINIMAL |
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281 | #endif |
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282 | |
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283 | #ifndef EV_HEAP_CACHE_AT |
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284 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
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285 | #endif |
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286 | |
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287 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
196 | |
288 | |
197 | #ifndef CLOCK_MONOTONIC |
289 | #ifndef CLOCK_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
290 | # undef EV_USE_MONOTONIC |
199 | # define EV_USE_MONOTONIC 0 |
291 | # define EV_USE_MONOTONIC 0 |
200 | #endif |
292 | #endif |
… | |
… | |
202 | #ifndef CLOCK_REALTIME |
294 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
295 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
296 | # define EV_USE_REALTIME 0 |
205 | #endif |
297 | #endif |
206 | |
298 | |
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299 | #if !EV_STAT_ENABLE |
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300 | # undef EV_USE_INOTIFY |
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301 | # define EV_USE_INOTIFY 0 |
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302 | #endif |
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303 | |
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304 | #if !EV_USE_NANOSLEEP |
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305 | # ifndef _WIN32 |
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306 | # include <sys/select.h> |
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307 | # endif |
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308 | #endif |
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309 | |
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310 | #if EV_USE_INOTIFY |
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311 | # include <sys/utsname.h> |
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312 | # include <sys/statfs.h> |
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313 | # include <sys/inotify.h> |
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314 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
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315 | # ifndef IN_DONT_FOLLOW |
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316 | # undef EV_USE_INOTIFY |
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317 | # define EV_USE_INOTIFY 0 |
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318 | # endif |
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319 | #endif |
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320 | |
207 | #if EV_SELECT_IS_WINSOCKET |
321 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
322 | # include <winsock.h> |
209 | #endif |
323 | #endif |
210 | |
324 | |
211 | #if !EV_STAT_ENABLE |
325 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
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326 | /* which makes programs even slower. might work on other unices, too. */ |
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327 | #if EV_USE_CLOCK_SYSCALL |
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328 | # include <syscall.h> |
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329 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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330 | # undef EV_USE_MONOTONIC |
212 | # define EV_USE_INOTIFY 0 |
331 | # define EV_USE_MONOTONIC 1 |
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332 | #endif |
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333 | |
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334 | #if EV_USE_EVENTFD |
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335 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
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336 | # include <stdint.h> |
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337 | # ifdef __cplusplus |
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338 | extern "C" { |
213 | #endif |
339 | # endif |
214 | |
340 | int eventfd (unsigned int initval, int flags); |
215 | #if EV_USE_INOTIFY |
341 | # ifdef __cplusplus |
216 | # include <sys/inotify.h> |
342 | } |
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343 | # endif |
217 | #endif |
344 | #endif |
218 | |
345 | |
219 | /**/ |
346 | /**/ |
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347 | |
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348 | #if EV_VERIFY >= 3 |
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349 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
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350 | #else |
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351 | # define EV_FREQUENT_CHECK do { } while (0) |
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352 | #endif |
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353 | |
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354 | /* |
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355 | * This is used to avoid floating point rounding problems. |
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356 | * It is added to ev_rt_now when scheduling periodics |
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357 | * to ensure progress, time-wise, even when rounding |
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358 | * errors are against us. |
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359 | * This value is good at least till the year 4000. |
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360 | * Better solutions welcome. |
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361 | */ |
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362 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
220 | |
363 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
364 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
365 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
366 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
367 | |
225 | #if __GNUC__ >= 3 |
368 | #if __GNUC__ >= 4 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
369 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define inline_size static inline /* inline for codesize */ |
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228 | # if EV_MINIMAL |
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229 | # define noinline __attribute__ ((noinline)) |
370 | # define noinline __attribute__ ((noinline)) |
230 | # define inline_speed static noinline |
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231 | # else |
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232 | # define noinline |
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233 | # define inline_speed static inline |
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234 | # endif |
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235 | #else |
371 | #else |
236 | # define expect(expr,value) (expr) |
372 | # define expect(expr,value) (expr) |
237 | # define inline_speed static |
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238 | # define inline_size static |
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239 | # define noinline |
373 | # define noinline |
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374 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
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375 | # define inline |
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376 | # endif |
240 | #endif |
377 | #endif |
241 | |
378 | |
242 | #define expect_false(expr) expect ((expr) != 0, 0) |
379 | #define expect_false(expr) expect ((expr) != 0, 0) |
243 | #define expect_true(expr) expect ((expr) != 0, 1) |
380 | #define expect_true(expr) expect ((expr) != 0, 1) |
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381 | #define inline_size static inline |
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382 | |
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383 | #if EV_MINIMAL |
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384 | # define inline_speed static noinline |
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385 | #else |
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386 | # define inline_speed static inline |
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387 | #endif |
244 | |
388 | |
245 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
389 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
390 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
247 | |
391 | |
248 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
392 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
249 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
393 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
250 | |
394 | |
251 | typedef ev_watcher *W; |
395 | typedef ev_watcher *W; |
252 | typedef ev_watcher_list *WL; |
396 | typedef ev_watcher_list *WL; |
253 | typedef ev_watcher_time *WT; |
397 | typedef ev_watcher_time *WT; |
254 | |
398 | |
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399 | #define ev_active(w) ((W)(w))->active |
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400 | #define ev_at(w) ((WT)(w))->at |
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401 | |
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402 | #if EV_USE_REALTIME |
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403 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
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404 | /* giving it a reasonably high chance of working on typical architetcures */ |
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405 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
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406 | #endif |
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407 | |
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408 | #if EV_USE_MONOTONIC |
255 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
409 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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410 | #endif |
256 | |
411 | |
257 | #ifdef _WIN32 |
412 | #ifdef _WIN32 |
258 | # include "ev_win32.c" |
413 | # include "ev_win32.c" |
259 | #endif |
414 | #endif |
260 | |
415 | |
… | |
… | |
267 | { |
422 | { |
268 | syserr_cb = cb; |
423 | syserr_cb = cb; |
269 | } |
424 | } |
270 | |
425 | |
271 | static void noinline |
426 | static void noinline |
272 | syserr (const char *msg) |
427 | ev_syserr (const char *msg) |
273 | { |
428 | { |
274 | if (!msg) |
429 | if (!msg) |
275 | msg = "(libev) system error"; |
430 | msg = "(libev) system error"; |
276 | |
431 | |
277 | if (syserr_cb) |
432 | if (syserr_cb) |
… | |
… | |
281 | perror (msg); |
436 | perror (msg); |
282 | abort (); |
437 | abort (); |
283 | } |
438 | } |
284 | } |
439 | } |
285 | |
440 | |
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441 | static void * |
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442 | ev_realloc_emul (void *ptr, long size) |
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443 | { |
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444 | /* some systems, notably openbsd and darwin, fail to properly |
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445 | * implement realloc (x, 0) (as required by both ansi c-98 and |
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446 | * the single unix specification, so work around them here. |
|
|
447 | */ |
|
|
448 | |
|
|
449 | if (size) |
|
|
450 | return realloc (ptr, size); |
|
|
451 | |
|
|
452 | free (ptr); |
|
|
453 | return 0; |
|
|
454 | } |
|
|
455 | |
286 | static void *(*alloc)(void *ptr, long size); |
456 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
287 | |
457 | |
288 | void |
458 | void |
289 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
459 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
290 | { |
460 | { |
291 | alloc = cb; |
461 | alloc = cb; |
292 | } |
462 | } |
293 | |
463 | |
294 | inline_speed void * |
464 | inline_speed void * |
295 | ev_realloc (void *ptr, long size) |
465 | ev_realloc (void *ptr, long size) |
296 | { |
466 | { |
297 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
467 | ptr = alloc (ptr, size); |
298 | |
468 | |
299 | if (!ptr && size) |
469 | if (!ptr && size) |
300 | { |
470 | { |
301 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
471 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
302 | abort (); |
472 | abort (); |
… | |
… | |
308 | #define ev_malloc(size) ev_realloc (0, (size)) |
478 | #define ev_malloc(size) ev_realloc (0, (size)) |
309 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
479 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
310 | |
480 | |
311 | /*****************************************************************************/ |
481 | /*****************************************************************************/ |
312 | |
482 | |
|
|
483 | /* file descriptor info structure */ |
313 | typedef struct |
484 | typedef struct |
314 | { |
485 | { |
315 | WL head; |
486 | WL head; |
316 | unsigned char events; |
487 | unsigned char events; /* the events watched for */ |
|
|
488 | unsigned char reify; /* flag set when this ANFD needs reification */ |
|
|
489 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
317 | unsigned char reify; |
490 | unsigned char unused; |
|
|
491 | #if EV_USE_EPOLL |
|
|
492 | unsigned int egen; /* generation counter to counter epoll bugs */ |
|
|
493 | #endif |
318 | #if EV_SELECT_IS_WINSOCKET |
494 | #if EV_SELECT_IS_WINSOCKET |
319 | SOCKET handle; |
495 | SOCKET handle; |
320 | #endif |
496 | #endif |
321 | } ANFD; |
497 | } ANFD; |
322 | |
498 | |
|
|
499 | /* stores the pending event set for a given watcher */ |
323 | typedef struct |
500 | typedef struct |
324 | { |
501 | { |
325 | W w; |
502 | W w; |
326 | int events; |
503 | int events; /* the pending event set for the given watcher */ |
327 | } ANPENDING; |
504 | } ANPENDING; |
328 | |
505 | |
329 | #if EV_USE_INOTIFY |
506 | #if EV_USE_INOTIFY |
|
|
507 | /* hash table entry per inotify-id */ |
330 | typedef struct |
508 | typedef struct |
331 | { |
509 | { |
332 | WL head; |
510 | WL head; |
333 | } ANFS; |
511 | } ANFS; |
|
|
512 | #endif |
|
|
513 | |
|
|
514 | /* Heap Entry */ |
|
|
515 | #if EV_HEAP_CACHE_AT |
|
|
516 | /* a heap element */ |
|
|
517 | typedef struct { |
|
|
518 | ev_tstamp at; |
|
|
519 | WT w; |
|
|
520 | } ANHE; |
|
|
521 | |
|
|
522 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
|
|
523 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
|
|
524 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
|
|
525 | #else |
|
|
526 | /* a heap element */ |
|
|
527 | typedef WT ANHE; |
|
|
528 | |
|
|
529 | #define ANHE_w(he) (he) |
|
|
530 | #define ANHE_at(he) (he)->at |
|
|
531 | #define ANHE_at_cache(he) |
334 | #endif |
532 | #endif |
335 | |
533 | |
336 | #if EV_MULTIPLICITY |
534 | #if EV_MULTIPLICITY |
337 | |
535 | |
338 | struct ev_loop |
536 | struct ev_loop |
… | |
… | |
363 | |
561 | |
364 | ev_tstamp |
562 | ev_tstamp |
365 | ev_time (void) |
563 | ev_time (void) |
366 | { |
564 | { |
367 | #if EV_USE_REALTIME |
565 | #if EV_USE_REALTIME |
|
|
566 | if (expect_true (have_realtime)) |
|
|
567 | { |
368 | struct timespec ts; |
568 | struct timespec ts; |
369 | clock_gettime (CLOCK_REALTIME, &ts); |
569 | clock_gettime (CLOCK_REALTIME, &ts); |
370 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
570 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
371 | #else |
571 | } |
|
|
572 | #endif |
|
|
573 | |
372 | struct timeval tv; |
574 | struct timeval tv; |
373 | gettimeofday (&tv, 0); |
575 | gettimeofday (&tv, 0); |
374 | return tv.tv_sec + tv.tv_usec * 1e-6; |
576 | return tv.tv_sec + tv.tv_usec * 1e-6; |
375 | #endif |
|
|
376 | } |
577 | } |
377 | |
578 | |
378 | ev_tstamp inline_size |
579 | inline_size ev_tstamp |
379 | get_clock (void) |
580 | get_clock (void) |
380 | { |
581 | { |
381 | #if EV_USE_MONOTONIC |
582 | #if EV_USE_MONOTONIC |
382 | if (expect_true (have_monotonic)) |
583 | if (expect_true (have_monotonic)) |
383 | { |
584 | { |
… | |
… | |
396 | { |
597 | { |
397 | return ev_rt_now; |
598 | return ev_rt_now; |
398 | } |
599 | } |
399 | #endif |
600 | #endif |
400 | |
601 | |
401 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
602 | void |
|
|
603 | ev_sleep (ev_tstamp delay) |
|
|
604 | { |
|
|
605 | if (delay > 0.) |
|
|
606 | { |
|
|
607 | #if EV_USE_NANOSLEEP |
|
|
608 | struct timespec ts; |
|
|
609 | |
|
|
610 | ts.tv_sec = (time_t)delay; |
|
|
611 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
612 | |
|
|
613 | nanosleep (&ts, 0); |
|
|
614 | #elif defined(_WIN32) |
|
|
615 | Sleep ((unsigned long)(delay * 1e3)); |
|
|
616 | #else |
|
|
617 | struct timeval tv; |
|
|
618 | |
|
|
619 | tv.tv_sec = (time_t)delay; |
|
|
620 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
621 | |
|
|
622 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
|
|
623 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
|
|
624 | /* by older ones */ |
|
|
625 | select (0, 0, 0, 0, &tv); |
|
|
626 | #endif |
|
|
627 | } |
|
|
628 | } |
|
|
629 | |
|
|
630 | /*****************************************************************************/ |
|
|
631 | |
|
|
632 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
|
|
633 | |
|
|
634 | /* find a suitable new size for the given array, */ |
|
|
635 | /* hopefully by rounding to a ncie-to-malloc size */ |
|
|
636 | inline_size int |
|
|
637 | array_nextsize (int elem, int cur, int cnt) |
|
|
638 | { |
|
|
639 | int ncur = cur + 1; |
|
|
640 | |
|
|
641 | do |
|
|
642 | ncur <<= 1; |
|
|
643 | while (cnt > ncur); |
|
|
644 | |
|
|
645 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
|
|
646 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
|
|
647 | { |
|
|
648 | ncur *= elem; |
|
|
649 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
|
|
650 | ncur = ncur - sizeof (void *) * 4; |
|
|
651 | ncur /= elem; |
|
|
652 | } |
|
|
653 | |
|
|
654 | return ncur; |
|
|
655 | } |
|
|
656 | |
|
|
657 | static noinline void * |
|
|
658 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
659 | { |
|
|
660 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
661 | return ev_realloc (base, elem * *cur); |
|
|
662 | } |
|
|
663 | |
|
|
664 | #define array_init_zero(base,count) \ |
|
|
665 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
402 | |
666 | |
403 | #define array_needsize(type,base,cur,cnt,init) \ |
667 | #define array_needsize(type,base,cur,cnt,init) \ |
404 | if (expect_false ((cnt) > cur)) \ |
668 | if (expect_false ((cnt) > (cur))) \ |
405 | { \ |
669 | { \ |
406 | int newcnt = cur; \ |
670 | int ocur_ = (cur); \ |
407 | do \ |
671 | (base) = (type *)array_realloc \ |
408 | { \ |
672 | (sizeof (type), (base), &(cur), (cnt)); \ |
409 | newcnt = array_roundsize (type, newcnt << 1); \ |
673 | init ((base) + (ocur_), (cur) - ocur_); \ |
410 | } \ |
|
|
411 | while ((cnt) > newcnt); \ |
|
|
412 | \ |
|
|
413 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
414 | init (base + cur, newcnt - cur); \ |
|
|
415 | cur = newcnt; \ |
|
|
416 | } |
674 | } |
417 | |
675 | |
|
|
676 | #if 0 |
418 | #define array_slim(type,stem) \ |
677 | #define array_slim(type,stem) \ |
419 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
678 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
420 | { \ |
679 | { \ |
421 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
680 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
422 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
681 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
423 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
682 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
424 | } |
683 | } |
|
|
684 | #endif |
425 | |
685 | |
426 | #define array_free(stem, idx) \ |
686 | #define array_free(stem, idx) \ |
427 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
687 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
428 | |
688 | |
429 | /*****************************************************************************/ |
689 | /*****************************************************************************/ |
|
|
690 | |
|
|
691 | /* dummy callback for pending events */ |
|
|
692 | static void noinline |
|
|
693 | pendingcb (EV_P_ ev_prepare *w, int revents) |
|
|
694 | { |
|
|
695 | } |
430 | |
696 | |
431 | void noinline |
697 | void noinline |
432 | ev_feed_event (EV_P_ void *w, int revents) |
698 | ev_feed_event (EV_P_ void *w, int revents) |
433 | { |
699 | { |
434 | W w_ = (W)w; |
700 | W w_ = (W)w; |
|
|
701 | int pri = ABSPRI (w_); |
435 | |
702 | |
436 | if (expect_false (w_->pending)) |
703 | if (expect_false (w_->pending)) |
|
|
704 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
705 | else |
437 | { |
706 | { |
|
|
707 | w_->pending = ++pendingcnt [pri]; |
|
|
708 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
709 | pendings [pri][w_->pending - 1].w = w_; |
438 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
710 | pendings [pri][w_->pending - 1].events = revents; |
439 | return; |
|
|
440 | } |
711 | } |
441 | |
|
|
442 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
443 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
|
444 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
445 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
446 | } |
712 | } |
447 | |
713 | |
448 | void inline_size |
714 | inline_speed void |
|
|
715 | feed_reverse (EV_P_ W w) |
|
|
716 | { |
|
|
717 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
|
|
718 | rfeeds [rfeedcnt++] = w; |
|
|
719 | } |
|
|
720 | |
|
|
721 | inline_size void |
|
|
722 | feed_reverse_done (EV_P_ int revents) |
|
|
723 | { |
|
|
724 | do |
|
|
725 | ev_feed_event (EV_A_ rfeeds [--rfeedcnt], revents); |
|
|
726 | while (rfeedcnt); |
|
|
727 | } |
|
|
728 | |
|
|
729 | inline_speed void |
449 | queue_events (EV_P_ W *events, int eventcnt, int type) |
730 | queue_events (EV_P_ W *events, int eventcnt, int type) |
450 | { |
731 | { |
451 | int i; |
732 | int i; |
452 | |
733 | |
453 | for (i = 0; i < eventcnt; ++i) |
734 | for (i = 0; i < eventcnt; ++i) |
454 | ev_feed_event (EV_A_ events [i], type); |
735 | ev_feed_event (EV_A_ events [i], type); |
455 | } |
736 | } |
456 | |
737 | |
457 | /*****************************************************************************/ |
738 | /*****************************************************************************/ |
458 | |
739 | |
459 | void inline_size |
740 | inline_speed void |
460 | anfds_init (ANFD *base, int count) |
|
|
461 | { |
|
|
462 | while (count--) |
|
|
463 | { |
|
|
464 | base->head = 0; |
|
|
465 | base->events = EV_NONE; |
|
|
466 | base->reify = 0; |
|
|
467 | |
|
|
468 | ++base; |
|
|
469 | } |
|
|
470 | } |
|
|
471 | |
|
|
472 | void inline_speed |
|
|
473 | fd_event (EV_P_ int fd, int revents) |
741 | fd_event (EV_P_ int fd, int revents) |
474 | { |
742 | { |
475 | ANFD *anfd = anfds + fd; |
743 | ANFD *anfd = anfds + fd; |
476 | ev_io *w; |
744 | ev_io *w; |
477 | |
745 | |
… | |
… | |
485 | } |
753 | } |
486 | |
754 | |
487 | void |
755 | void |
488 | ev_feed_fd_event (EV_P_ int fd, int revents) |
756 | ev_feed_fd_event (EV_P_ int fd, int revents) |
489 | { |
757 | { |
|
|
758 | if (fd >= 0 && fd < anfdmax) |
490 | fd_event (EV_A_ fd, revents); |
759 | fd_event (EV_A_ fd, revents); |
491 | } |
760 | } |
492 | |
761 | |
493 | void inline_size |
762 | /* make sure the external fd watch events are in-sync */ |
|
|
763 | /* with the kernel/libev internal state */ |
|
|
764 | inline_size void |
494 | fd_reify (EV_P) |
765 | fd_reify (EV_P) |
495 | { |
766 | { |
496 | int i; |
767 | int i; |
497 | |
768 | |
498 | for (i = 0; i < fdchangecnt; ++i) |
769 | for (i = 0; i < fdchangecnt; ++i) |
499 | { |
770 | { |
500 | int fd = fdchanges [i]; |
771 | int fd = fdchanges [i]; |
501 | ANFD *anfd = anfds + fd; |
772 | ANFD *anfd = anfds + fd; |
502 | ev_io *w; |
773 | ev_io *w; |
503 | |
774 | |
504 | int events = 0; |
775 | unsigned char events = 0; |
505 | |
776 | |
506 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
777 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
507 | events |= w->events; |
778 | events |= (unsigned char)w->events; |
508 | |
779 | |
509 | #if EV_SELECT_IS_WINSOCKET |
780 | #if EV_SELECT_IS_WINSOCKET |
510 | if (events) |
781 | if (events) |
511 | { |
782 | { |
512 | unsigned long argp; |
783 | unsigned long arg; |
|
|
784 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
785 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
786 | #else |
513 | anfd->handle = _get_osfhandle (fd); |
787 | anfd->handle = _get_osfhandle (fd); |
|
|
788 | #endif |
514 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
789 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
515 | } |
790 | } |
516 | #endif |
791 | #endif |
517 | |
792 | |
|
|
793 | { |
|
|
794 | unsigned char o_events = anfd->events; |
|
|
795 | unsigned char o_reify = anfd->reify; |
|
|
796 | |
518 | anfd->reify = 0; |
797 | anfd->reify = 0; |
519 | |
|
|
520 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
521 | anfd->events = events; |
798 | anfd->events = events; |
|
|
799 | |
|
|
800 | if (o_events != events || o_reify & EV__IOFDSET) |
|
|
801 | backend_modify (EV_A_ fd, o_events, events); |
|
|
802 | } |
522 | } |
803 | } |
523 | |
804 | |
524 | fdchangecnt = 0; |
805 | fdchangecnt = 0; |
525 | } |
806 | } |
526 | |
807 | |
527 | void inline_size |
808 | /* something about the given fd changed */ |
|
|
809 | inline_size void |
528 | fd_change (EV_P_ int fd) |
810 | fd_change (EV_P_ int fd, int flags) |
529 | { |
811 | { |
530 | if (expect_false (anfds [fd].reify)) |
812 | unsigned char reify = anfds [fd].reify; |
531 | return; |
|
|
532 | |
|
|
533 | anfds [fd].reify = 1; |
813 | anfds [fd].reify |= flags; |
534 | |
814 | |
|
|
815 | if (expect_true (!reify)) |
|
|
816 | { |
535 | ++fdchangecnt; |
817 | ++fdchangecnt; |
536 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
818 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
537 | fdchanges [fdchangecnt - 1] = fd; |
819 | fdchanges [fdchangecnt - 1] = fd; |
|
|
820 | } |
538 | } |
821 | } |
539 | |
822 | |
540 | void inline_speed |
823 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
|
|
824 | inline_speed void |
541 | fd_kill (EV_P_ int fd) |
825 | fd_kill (EV_P_ int fd) |
542 | { |
826 | { |
543 | ev_io *w; |
827 | ev_io *w; |
544 | |
828 | |
545 | while ((w = (ev_io *)anfds [fd].head)) |
829 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
547 | ev_io_stop (EV_A_ w); |
831 | ev_io_stop (EV_A_ w); |
548 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
832 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
549 | } |
833 | } |
550 | } |
834 | } |
551 | |
835 | |
552 | int inline_size |
836 | /* check whether the given fd is atcually valid, for error recovery */ |
|
|
837 | inline_size int |
553 | fd_valid (int fd) |
838 | fd_valid (int fd) |
554 | { |
839 | { |
555 | #ifdef _WIN32 |
840 | #ifdef _WIN32 |
556 | return _get_osfhandle (fd) != -1; |
841 | return _get_osfhandle (fd) != -1; |
557 | #else |
842 | #else |
… | |
… | |
565 | { |
850 | { |
566 | int fd; |
851 | int fd; |
567 | |
852 | |
568 | for (fd = 0; fd < anfdmax; ++fd) |
853 | for (fd = 0; fd < anfdmax; ++fd) |
569 | if (anfds [fd].events) |
854 | if (anfds [fd].events) |
570 | if (!fd_valid (fd) == -1 && errno == EBADF) |
855 | if (!fd_valid (fd) && errno == EBADF) |
571 | fd_kill (EV_A_ fd); |
856 | fd_kill (EV_A_ fd); |
572 | } |
857 | } |
573 | |
858 | |
574 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
859 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
575 | static void noinline |
860 | static void noinline |
… | |
… | |
589 | static void noinline |
874 | static void noinline |
590 | fd_rearm_all (EV_P) |
875 | fd_rearm_all (EV_P) |
591 | { |
876 | { |
592 | int fd; |
877 | int fd; |
593 | |
878 | |
594 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
595 | for (fd = 0; fd < anfdmax; ++fd) |
879 | for (fd = 0; fd < anfdmax; ++fd) |
596 | if (anfds [fd].events) |
880 | if (anfds [fd].events) |
597 | { |
881 | { |
598 | anfds [fd].events = 0; |
882 | anfds [fd].events = 0; |
|
|
883 | anfds [fd].emask = 0; |
599 | fd_change (EV_A_ fd); |
884 | fd_change (EV_A_ fd, EV__IOFDSET | 1); |
600 | } |
885 | } |
601 | } |
886 | } |
602 | |
887 | |
603 | /*****************************************************************************/ |
888 | /*****************************************************************************/ |
604 | |
889 | |
605 | void inline_speed |
890 | /* |
606 | upheap (WT *heap, int k) |
891 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
607 | { |
892 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
608 | WT w = heap [k]; |
893 | * the branching factor of the d-tree. |
|
|
894 | */ |
609 | |
895 | |
610 | while (k && heap [k >> 1]->at > w->at) |
896 | /* |
611 | { |
897 | * at the moment we allow libev the luxury of two heaps, |
612 | heap [k] = heap [k >> 1]; |
898 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
613 | ((W)heap [k])->active = k + 1; |
899 | * which is more cache-efficient. |
614 | k >>= 1; |
900 | * the difference is about 5% with 50000+ watchers. |
615 | } |
901 | */ |
|
|
902 | #if EV_USE_4HEAP |
616 | |
903 | |
617 | heap [k] = w; |
904 | #define DHEAP 4 |
618 | ((W)heap [k])->active = k + 1; |
905 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
906 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
907 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
619 | |
908 | |
620 | } |
909 | /* away from the root */ |
621 | |
910 | inline_speed void |
622 | void inline_speed |
|
|
623 | downheap (WT *heap, int N, int k) |
911 | downheap (ANHE *heap, int N, int k) |
624 | { |
912 | { |
625 | WT w = heap [k]; |
913 | ANHE he = heap [k]; |
|
|
914 | ANHE *E = heap + N + HEAP0; |
626 | |
915 | |
627 | while (k < (N >> 1)) |
916 | for (;;) |
628 | { |
917 | { |
629 | int j = k << 1; |
918 | ev_tstamp minat; |
|
|
919 | ANHE *minpos; |
|
|
920 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
630 | |
921 | |
631 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
922 | /* find minimum child */ |
|
|
923 | if (expect_true (pos + DHEAP - 1 < E)) |
632 | ++j; |
924 | { |
633 | |
925 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
634 | if (w->at <= heap [j]->at) |
926 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
927 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
928 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
929 | } |
|
|
930 | else if (pos < E) |
|
|
931 | { |
|
|
932 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
933 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
934 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
935 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
936 | } |
|
|
937 | else |
635 | break; |
938 | break; |
636 | |
939 | |
|
|
940 | if (ANHE_at (he) <= minat) |
|
|
941 | break; |
|
|
942 | |
|
|
943 | heap [k] = *minpos; |
|
|
944 | ev_active (ANHE_w (*minpos)) = k; |
|
|
945 | |
|
|
946 | k = minpos - heap; |
|
|
947 | } |
|
|
948 | |
|
|
949 | heap [k] = he; |
|
|
950 | ev_active (ANHE_w (he)) = k; |
|
|
951 | } |
|
|
952 | |
|
|
953 | #else /* 4HEAP */ |
|
|
954 | |
|
|
955 | #define HEAP0 1 |
|
|
956 | #define HPARENT(k) ((k) >> 1) |
|
|
957 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
958 | |
|
|
959 | /* away from the root */ |
|
|
960 | inline_speed void |
|
|
961 | downheap (ANHE *heap, int N, int k) |
|
|
962 | { |
|
|
963 | ANHE he = heap [k]; |
|
|
964 | |
|
|
965 | for (;;) |
|
|
966 | { |
|
|
967 | int c = k << 1; |
|
|
968 | |
|
|
969 | if (c > N + HEAP0 - 1) |
|
|
970 | break; |
|
|
971 | |
|
|
972 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
973 | ? 1 : 0; |
|
|
974 | |
|
|
975 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
976 | break; |
|
|
977 | |
637 | heap [k] = heap [j]; |
978 | heap [k] = heap [c]; |
638 | ((W)heap [k])->active = k + 1; |
979 | ev_active (ANHE_w (heap [k])) = k; |
|
|
980 | |
639 | k = j; |
981 | k = c; |
640 | } |
982 | } |
641 | |
983 | |
642 | heap [k] = w; |
984 | heap [k] = he; |
643 | ((W)heap [k])->active = k + 1; |
985 | ev_active (ANHE_w (he)) = k; |
644 | } |
986 | } |
|
|
987 | #endif |
645 | |
988 | |
646 | void inline_size |
989 | /* towards the root */ |
|
|
990 | inline_speed void |
|
|
991 | upheap (ANHE *heap, int k) |
|
|
992 | { |
|
|
993 | ANHE he = heap [k]; |
|
|
994 | |
|
|
995 | for (;;) |
|
|
996 | { |
|
|
997 | int p = HPARENT (k); |
|
|
998 | |
|
|
999 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
1000 | break; |
|
|
1001 | |
|
|
1002 | heap [k] = heap [p]; |
|
|
1003 | ev_active (ANHE_w (heap [k])) = k; |
|
|
1004 | k = p; |
|
|
1005 | } |
|
|
1006 | |
|
|
1007 | heap [k] = he; |
|
|
1008 | ev_active (ANHE_w (he)) = k; |
|
|
1009 | } |
|
|
1010 | |
|
|
1011 | /* move an element suitably so it is in a correct place */ |
|
|
1012 | inline_size void |
647 | adjustheap (WT *heap, int N, int k) |
1013 | adjustheap (ANHE *heap, int N, int k) |
648 | { |
1014 | { |
|
|
1015 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
649 | upheap (heap, k); |
1016 | upheap (heap, k); |
|
|
1017 | else |
650 | downheap (heap, N, k); |
1018 | downheap (heap, N, k); |
|
|
1019 | } |
|
|
1020 | |
|
|
1021 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
1022 | inline_size void |
|
|
1023 | reheap (ANHE *heap, int N) |
|
|
1024 | { |
|
|
1025 | int i; |
|
|
1026 | |
|
|
1027 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
1028 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
1029 | for (i = 0; i < N; ++i) |
|
|
1030 | upheap (heap, i + HEAP0); |
651 | } |
1031 | } |
652 | |
1032 | |
653 | /*****************************************************************************/ |
1033 | /*****************************************************************************/ |
654 | |
1034 | |
|
|
1035 | /* associate signal watchers to a signal signal */ |
655 | typedef struct |
1036 | typedef struct |
656 | { |
1037 | { |
657 | WL head; |
1038 | WL head; |
658 | sig_atomic_t volatile gotsig; |
1039 | EV_ATOMIC_T gotsig; |
659 | } ANSIG; |
1040 | } ANSIG; |
660 | |
1041 | |
661 | static ANSIG *signals; |
1042 | static ANSIG *signals; |
662 | static int signalmax; |
1043 | static int signalmax; |
663 | |
1044 | |
664 | static int sigpipe [2]; |
1045 | static EV_ATOMIC_T gotsig; |
665 | static sig_atomic_t volatile gotsig; |
|
|
666 | static ev_io sigev; |
|
|
667 | |
1046 | |
668 | void inline_size |
1047 | /*****************************************************************************/ |
669 | signals_init (ANSIG *base, int count) |
|
|
670 | { |
|
|
671 | while (count--) |
|
|
672 | { |
|
|
673 | base->head = 0; |
|
|
674 | base->gotsig = 0; |
|
|
675 | |
1048 | |
676 | ++base; |
1049 | /* used to prepare libev internal fd's */ |
677 | } |
1050 | /* this is not fork-safe */ |
678 | } |
1051 | inline_speed void |
679 | |
|
|
680 | static void |
|
|
681 | sighandler (int signum) |
|
|
682 | { |
|
|
683 | #if _WIN32 |
|
|
684 | signal (signum, sighandler); |
|
|
685 | #endif |
|
|
686 | |
|
|
687 | signals [signum - 1].gotsig = 1; |
|
|
688 | |
|
|
689 | if (!gotsig) |
|
|
690 | { |
|
|
691 | int old_errno = errno; |
|
|
692 | gotsig = 1; |
|
|
693 | write (sigpipe [1], &signum, 1); |
|
|
694 | errno = old_errno; |
|
|
695 | } |
|
|
696 | } |
|
|
697 | |
|
|
698 | void noinline |
|
|
699 | ev_feed_signal_event (EV_P_ int signum) |
|
|
700 | { |
|
|
701 | WL w; |
|
|
702 | |
|
|
703 | #if EV_MULTIPLICITY |
|
|
704 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
705 | #endif |
|
|
706 | |
|
|
707 | --signum; |
|
|
708 | |
|
|
709 | if (signum < 0 || signum >= signalmax) |
|
|
710 | return; |
|
|
711 | |
|
|
712 | signals [signum].gotsig = 0; |
|
|
713 | |
|
|
714 | for (w = signals [signum].head; w; w = w->next) |
|
|
715 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
716 | } |
|
|
717 | |
|
|
718 | static void |
|
|
719 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
720 | { |
|
|
721 | int signum; |
|
|
722 | |
|
|
723 | read (sigpipe [0], &revents, 1); |
|
|
724 | gotsig = 0; |
|
|
725 | |
|
|
726 | for (signum = signalmax; signum--; ) |
|
|
727 | if (signals [signum].gotsig) |
|
|
728 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
729 | } |
|
|
730 | |
|
|
731 | void inline_size |
|
|
732 | fd_intern (int fd) |
1052 | fd_intern (int fd) |
733 | { |
1053 | { |
734 | #ifdef _WIN32 |
1054 | #ifdef _WIN32 |
735 | int arg = 1; |
1055 | unsigned long arg = 1; |
736 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
1056 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
737 | #else |
1057 | #else |
738 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
1058 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
739 | fcntl (fd, F_SETFL, O_NONBLOCK); |
1059 | fcntl (fd, F_SETFL, O_NONBLOCK); |
740 | #endif |
1060 | #endif |
741 | } |
1061 | } |
742 | |
1062 | |
743 | static void noinline |
1063 | static void noinline |
744 | siginit (EV_P) |
1064 | evpipe_init (EV_P) |
745 | { |
1065 | { |
|
|
1066 | if (!ev_is_active (&pipe_w)) |
|
|
1067 | { |
|
|
1068 | #if EV_USE_EVENTFD |
|
|
1069 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
1070 | { |
|
|
1071 | evpipe [0] = -1; |
|
|
1072 | fd_intern (evfd); |
|
|
1073 | ev_io_set (&pipe_w, evfd, EV_READ); |
|
|
1074 | } |
|
|
1075 | else |
|
|
1076 | #endif |
|
|
1077 | { |
|
|
1078 | while (pipe (evpipe)) |
|
|
1079 | ev_syserr ("(libev) error creating signal/async pipe"); |
|
|
1080 | |
746 | fd_intern (sigpipe [0]); |
1081 | fd_intern (evpipe [0]); |
747 | fd_intern (sigpipe [1]); |
1082 | fd_intern (evpipe [1]); |
|
|
1083 | ev_io_set (&pipe_w, evpipe [0], EV_READ); |
|
|
1084 | } |
748 | |
1085 | |
749 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
|
|
750 | ev_io_start (EV_A_ &sigev); |
1086 | ev_io_start (EV_A_ &pipe_w); |
751 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1087 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1088 | } |
|
|
1089 | } |
|
|
1090 | |
|
|
1091 | inline_size void |
|
|
1092 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1093 | { |
|
|
1094 | if (!*flag) |
|
|
1095 | { |
|
|
1096 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1097 | |
|
|
1098 | *flag = 1; |
|
|
1099 | |
|
|
1100 | #if EV_USE_EVENTFD |
|
|
1101 | if (evfd >= 0) |
|
|
1102 | { |
|
|
1103 | uint64_t counter = 1; |
|
|
1104 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1105 | } |
|
|
1106 | else |
|
|
1107 | #endif |
|
|
1108 | write (evpipe [1], &old_errno, 1); |
|
|
1109 | |
|
|
1110 | errno = old_errno; |
|
|
1111 | } |
|
|
1112 | } |
|
|
1113 | |
|
|
1114 | /* called whenever the libev signal pipe */ |
|
|
1115 | /* got some events (signal, async) */ |
|
|
1116 | static void |
|
|
1117 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
1118 | { |
|
|
1119 | #if EV_USE_EVENTFD |
|
|
1120 | if (evfd >= 0) |
|
|
1121 | { |
|
|
1122 | uint64_t counter; |
|
|
1123 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1124 | } |
|
|
1125 | else |
|
|
1126 | #endif |
|
|
1127 | { |
|
|
1128 | char dummy; |
|
|
1129 | read (evpipe [0], &dummy, 1); |
|
|
1130 | } |
|
|
1131 | |
|
|
1132 | if (gotsig && ev_is_default_loop (EV_A)) |
|
|
1133 | { |
|
|
1134 | int signum; |
|
|
1135 | gotsig = 0; |
|
|
1136 | |
|
|
1137 | for (signum = signalmax; signum--; ) |
|
|
1138 | if (signals [signum].gotsig) |
|
|
1139 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
1140 | } |
|
|
1141 | |
|
|
1142 | #if EV_ASYNC_ENABLE |
|
|
1143 | if (gotasync) |
|
|
1144 | { |
|
|
1145 | int i; |
|
|
1146 | gotasync = 0; |
|
|
1147 | |
|
|
1148 | for (i = asynccnt; i--; ) |
|
|
1149 | if (asyncs [i]->sent) |
|
|
1150 | { |
|
|
1151 | asyncs [i]->sent = 0; |
|
|
1152 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
1153 | } |
|
|
1154 | } |
|
|
1155 | #endif |
752 | } |
1156 | } |
753 | |
1157 | |
754 | /*****************************************************************************/ |
1158 | /*****************************************************************************/ |
755 | |
1159 | |
|
|
1160 | static void |
|
|
1161 | ev_sighandler (int signum) |
|
|
1162 | { |
|
|
1163 | #if EV_MULTIPLICITY |
|
|
1164 | struct ev_loop *loop = &default_loop_struct; |
|
|
1165 | #endif |
|
|
1166 | |
|
|
1167 | #if _WIN32 |
|
|
1168 | signal (signum, ev_sighandler); |
|
|
1169 | #endif |
|
|
1170 | |
|
|
1171 | signals [signum - 1].gotsig = 1; |
|
|
1172 | evpipe_write (EV_A_ &gotsig); |
|
|
1173 | } |
|
|
1174 | |
|
|
1175 | void noinline |
|
|
1176 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1177 | { |
|
|
1178 | WL w; |
|
|
1179 | |
|
|
1180 | #if EV_MULTIPLICITY |
|
|
1181 | assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1182 | #endif |
|
|
1183 | |
|
|
1184 | --signum; |
|
|
1185 | |
|
|
1186 | if (signum < 0 || signum >= signalmax) |
|
|
1187 | return; |
|
|
1188 | |
|
|
1189 | signals [signum].gotsig = 0; |
|
|
1190 | |
|
|
1191 | for (w = signals [signum].head; w; w = w->next) |
|
|
1192 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
1193 | } |
|
|
1194 | |
|
|
1195 | /*****************************************************************************/ |
|
|
1196 | |
756 | static ev_child *childs [EV_PID_HASHSIZE]; |
1197 | static WL childs [EV_PID_HASHSIZE]; |
757 | |
1198 | |
758 | #ifndef _WIN32 |
1199 | #ifndef _WIN32 |
759 | |
1200 | |
760 | static ev_signal childev; |
1201 | static ev_signal childev; |
761 | |
1202 | |
762 | void inline_speed |
1203 | #ifndef WIFCONTINUED |
|
|
1204 | # define WIFCONTINUED(status) 0 |
|
|
1205 | #endif |
|
|
1206 | |
|
|
1207 | /* handle a single child status event */ |
|
|
1208 | inline_speed void |
763 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1209 | child_reap (EV_P_ int chain, int pid, int status) |
764 | { |
1210 | { |
765 | ev_child *w; |
1211 | ev_child *w; |
|
|
1212 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
766 | |
1213 | |
767 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1214 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1215 | { |
768 | if (w->pid == pid || !w->pid) |
1216 | if ((w->pid == pid || !w->pid) |
|
|
1217 | && (!traced || (w->flags & 1))) |
769 | { |
1218 | { |
770 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
1219 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
771 | w->rpid = pid; |
1220 | w->rpid = pid; |
772 | w->rstatus = status; |
1221 | w->rstatus = status; |
773 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1222 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
774 | } |
1223 | } |
|
|
1224 | } |
775 | } |
1225 | } |
776 | |
1226 | |
777 | #ifndef WCONTINUED |
1227 | #ifndef WCONTINUED |
778 | # define WCONTINUED 0 |
1228 | # define WCONTINUED 0 |
779 | #endif |
1229 | #endif |
780 | |
1230 | |
|
|
1231 | /* called on sigchld etc., calls waitpid */ |
781 | static void |
1232 | static void |
782 | childcb (EV_P_ ev_signal *sw, int revents) |
1233 | childcb (EV_P_ ev_signal *sw, int revents) |
783 | { |
1234 | { |
784 | int pid, status; |
1235 | int pid, status; |
785 | |
1236 | |
… | |
… | |
788 | if (!WCONTINUED |
1239 | if (!WCONTINUED |
789 | || errno != EINVAL |
1240 | || errno != EINVAL |
790 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1241 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
791 | return; |
1242 | return; |
792 | |
1243 | |
793 | /* make sure we are called again until all childs have been reaped */ |
1244 | /* make sure we are called again until all children have been reaped */ |
794 | /* we need to do it this way so that the callback gets called before we continue */ |
1245 | /* we need to do it this way so that the callback gets called before we continue */ |
795 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1246 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
796 | |
1247 | |
797 | child_reap (EV_A_ sw, pid, pid, status); |
1248 | child_reap (EV_A_ pid, pid, status); |
798 | if (EV_PID_HASHSIZE > 1) |
1249 | if (EV_PID_HASHSIZE > 1) |
799 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1250 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
800 | } |
1251 | } |
801 | |
1252 | |
802 | #endif |
1253 | #endif |
803 | |
1254 | |
804 | /*****************************************************************************/ |
1255 | /*****************************************************************************/ |
… | |
… | |
866 | /* kqueue is borked on everything but netbsd apparently */ |
1317 | /* kqueue is borked on everything but netbsd apparently */ |
867 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
1318 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
868 | flags &= ~EVBACKEND_KQUEUE; |
1319 | flags &= ~EVBACKEND_KQUEUE; |
869 | #endif |
1320 | #endif |
870 | #ifdef __APPLE__ |
1321 | #ifdef __APPLE__ |
871 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
1322 | /* only select works correctly on that "unix-certified" platform */ |
872 | flags &= ~EVBACKEND_POLL; |
1323 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
|
|
1324 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
873 | #endif |
1325 | #endif |
874 | |
1326 | |
875 | return flags; |
1327 | return flags; |
876 | } |
1328 | } |
877 | |
1329 | |
878 | unsigned int |
1330 | unsigned int |
879 | ev_embeddable_backends (void) |
1331 | ev_embeddable_backends (void) |
880 | { |
1332 | { |
881 | return EVBACKEND_EPOLL |
1333 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
882 | | EVBACKEND_KQUEUE |
1334 | |
883 | | EVBACKEND_PORT; |
1335 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
1336 | /* please fix it and tell me how to detect the fix */ |
|
|
1337 | flags &= ~EVBACKEND_EPOLL; |
|
|
1338 | |
|
|
1339 | return flags; |
884 | } |
1340 | } |
885 | |
1341 | |
886 | unsigned int |
1342 | unsigned int |
887 | ev_backend (EV_P) |
1343 | ev_backend (EV_P) |
888 | { |
1344 | { |
889 | return backend; |
1345 | return backend; |
890 | } |
1346 | } |
891 | |
1347 | |
|
|
1348 | unsigned int |
|
|
1349 | ev_loop_count (EV_P) |
|
|
1350 | { |
|
|
1351 | return loop_count; |
|
|
1352 | } |
|
|
1353 | |
|
|
1354 | void |
|
|
1355 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1356 | { |
|
|
1357 | io_blocktime = interval; |
|
|
1358 | } |
|
|
1359 | |
|
|
1360 | void |
|
|
1361 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1362 | { |
|
|
1363 | timeout_blocktime = interval; |
|
|
1364 | } |
|
|
1365 | |
|
|
1366 | /* initialise a loop structure, must be zero-initialised */ |
892 | static void noinline |
1367 | static void noinline |
893 | loop_init (EV_P_ unsigned int flags) |
1368 | loop_init (EV_P_ unsigned int flags) |
894 | { |
1369 | { |
895 | if (!backend) |
1370 | if (!backend) |
896 | { |
1371 | { |
|
|
1372 | #if EV_USE_REALTIME |
|
|
1373 | if (!have_realtime) |
|
|
1374 | { |
|
|
1375 | struct timespec ts; |
|
|
1376 | |
|
|
1377 | if (!clock_gettime (CLOCK_REALTIME, &ts)) |
|
|
1378 | have_realtime = 1; |
|
|
1379 | } |
|
|
1380 | #endif |
|
|
1381 | |
897 | #if EV_USE_MONOTONIC |
1382 | #if EV_USE_MONOTONIC |
|
|
1383 | if (!have_monotonic) |
898 | { |
1384 | { |
899 | struct timespec ts; |
1385 | struct timespec ts; |
|
|
1386 | |
900 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1387 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
901 | have_monotonic = 1; |
1388 | have_monotonic = 1; |
902 | } |
1389 | } |
903 | #endif |
1390 | #endif |
904 | |
1391 | |
905 | ev_rt_now = ev_time (); |
1392 | ev_rt_now = ev_time (); |
906 | mn_now = get_clock (); |
1393 | mn_now = get_clock (); |
907 | now_floor = mn_now; |
1394 | now_floor = mn_now; |
908 | rtmn_diff = ev_rt_now - mn_now; |
1395 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1396 | |
|
|
1397 | io_blocktime = 0.; |
|
|
1398 | timeout_blocktime = 0.; |
|
|
1399 | backend = 0; |
|
|
1400 | backend_fd = -1; |
|
|
1401 | gotasync = 0; |
|
|
1402 | #if EV_USE_INOTIFY |
|
|
1403 | fs_fd = -2; |
|
|
1404 | #endif |
|
|
1405 | |
|
|
1406 | /* pid check not overridable via env */ |
|
|
1407 | #ifndef _WIN32 |
|
|
1408 | if (flags & EVFLAG_FORKCHECK) |
|
|
1409 | curpid = getpid (); |
|
|
1410 | #endif |
909 | |
1411 | |
910 | if (!(flags & EVFLAG_NOENV) |
1412 | if (!(flags & EVFLAG_NOENV) |
911 | && !enable_secure () |
1413 | && !enable_secure () |
912 | && getenv ("LIBEV_FLAGS")) |
1414 | && getenv ("LIBEV_FLAGS")) |
913 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1415 | flags = atoi (getenv ("LIBEV_FLAGS")); |
914 | |
1416 | |
915 | if (!(flags & 0x0000ffffUL)) |
1417 | if (!(flags & 0x0000ffffU)) |
916 | flags |= ev_recommended_backends (); |
1418 | flags |= ev_recommended_backends (); |
917 | |
|
|
918 | backend = 0; |
|
|
919 | backend_fd = -1; |
|
|
920 | #if EV_USE_INOTIFY |
|
|
921 | fs_fd = -2; |
|
|
922 | #endif |
|
|
923 | |
1419 | |
924 | #if EV_USE_PORT |
1420 | #if EV_USE_PORT |
925 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1421 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
926 | #endif |
1422 | #endif |
927 | #if EV_USE_KQUEUE |
1423 | #if EV_USE_KQUEUE |
… | |
… | |
935 | #endif |
1431 | #endif |
936 | #if EV_USE_SELECT |
1432 | #if EV_USE_SELECT |
937 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1433 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
938 | #endif |
1434 | #endif |
939 | |
1435 | |
|
|
1436 | ev_prepare_init (&pending_w, pendingcb); |
|
|
1437 | |
940 | ev_init (&sigev, sigcb); |
1438 | ev_init (&pipe_w, pipecb); |
941 | ev_set_priority (&sigev, EV_MAXPRI); |
1439 | ev_set_priority (&pipe_w, EV_MAXPRI); |
942 | } |
1440 | } |
943 | } |
1441 | } |
944 | |
1442 | |
|
|
1443 | /* free up a loop structure */ |
945 | static void noinline |
1444 | static void noinline |
946 | loop_destroy (EV_P) |
1445 | loop_destroy (EV_P) |
947 | { |
1446 | { |
948 | int i; |
1447 | int i; |
|
|
1448 | |
|
|
1449 | if (ev_is_active (&pipe_w)) |
|
|
1450 | { |
|
|
1451 | ev_ref (EV_A); /* signal watcher */ |
|
|
1452 | ev_io_stop (EV_A_ &pipe_w); |
|
|
1453 | |
|
|
1454 | #if EV_USE_EVENTFD |
|
|
1455 | if (evfd >= 0) |
|
|
1456 | close (evfd); |
|
|
1457 | #endif |
|
|
1458 | |
|
|
1459 | if (evpipe [0] >= 0) |
|
|
1460 | { |
|
|
1461 | close (evpipe [0]); |
|
|
1462 | close (evpipe [1]); |
|
|
1463 | } |
|
|
1464 | } |
949 | |
1465 | |
950 | #if EV_USE_INOTIFY |
1466 | #if EV_USE_INOTIFY |
951 | if (fs_fd >= 0) |
1467 | if (fs_fd >= 0) |
952 | close (fs_fd); |
1468 | close (fs_fd); |
953 | #endif |
1469 | #endif |
… | |
… | |
970 | #if EV_USE_SELECT |
1486 | #if EV_USE_SELECT |
971 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1487 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
972 | #endif |
1488 | #endif |
973 | |
1489 | |
974 | for (i = NUMPRI; i--; ) |
1490 | for (i = NUMPRI; i--; ) |
|
|
1491 | { |
975 | array_free (pending, [i]); |
1492 | array_free (pending, [i]); |
|
|
1493 | #if EV_IDLE_ENABLE |
|
|
1494 | array_free (idle, [i]); |
|
|
1495 | #endif |
|
|
1496 | } |
|
|
1497 | |
|
|
1498 | ev_free (anfds); anfdmax = 0; |
976 | |
1499 | |
977 | /* have to use the microsoft-never-gets-it-right macro */ |
1500 | /* have to use the microsoft-never-gets-it-right macro */ |
|
|
1501 | array_free (rfeed, EMPTY); |
978 | array_free (fdchange, EMPTY0); |
1502 | array_free (fdchange, EMPTY); |
979 | array_free (timer, EMPTY0); |
1503 | array_free (timer, EMPTY); |
980 | #if EV_PERIODIC_ENABLE |
1504 | #if EV_PERIODIC_ENABLE |
981 | array_free (periodic, EMPTY0); |
1505 | array_free (periodic, EMPTY); |
982 | #endif |
1506 | #endif |
|
|
1507 | #if EV_FORK_ENABLE |
983 | array_free (idle, EMPTY0); |
1508 | array_free (fork, EMPTY); |
|
|
1509 | #endif |
984 | array_free (prepare, EMPTY0); |
1510 | array_free (prepare, EMPTY); |
985 | array_free (check, EMPTY0); |
1511 | array_free (check, EMPTY); |
|
|
1512 | #if EV_ASYNC_ENABLE |
|
|
1513 | array_free (async, EMPTY); |
|
|
1514 | #endif |
986 | |
1515 | |
987 | backend = 0; |
1516 | backend = 0; |
988 | } |
1517 | } |
989 | |
1518 | |
|
|
1519 | #if EV_USE_INOTIFY |
990 | void inline_size infy_fork (EV_P); |
1520 | inline_size void infy_fork (EV_P); |
|
|
1521 | #endif |
991 | |
1522 | |
992 | void inline_size |
1523 | inline_size void |
993 | loop_fork (EV_P) |
1524 | loop_fork (EV_P) |
994 | { |
1525 | { |
995 | #if EV_USE_PORT |
1526 | #if EV_USE_PORT |
996 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1527 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
997 | #endif |
1528 | #endif |
… | |
… | |
1003 | #endif |
1534 | #endif |
1004 | #if EV_USE_INOTIFY |
1535 | #if EV_USE_INOTIFY |
1005 | infy_fork (EV_A); |
1536 | infy_fork (EV_A); |
1006 | #endif |
1537 | #endif |
1007 | |
1538 | |
1008 | if (ev_is_active (&sigev)) |
1539 | if (ev_is_active (&pipe_w)) |
1009 | { |
1540 | { |
1010 | /* default loop */ |
1541 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1542 | /* while we modify the fd vars */ |
|
|
1543 | gotsig = 1; |
|
|
1544 | #if EV_ASYNC_ENABLE |
|
|
1545 | gotasync = 1; |
|
|
1546 | #endif |
1011 | |
1547 | |
1012 | ev_ref (EV_A); |
1548 | ev_ref (EV_A); |
1013 | ev_io_stop (EV_A_ &sigev); |
1549 | ev_io_stop (EV_A_ &pipe_w); |
|
|
1550 | |
|
|
1551 | #if EV_USE_EVENTFD |
|
|
1552 | if (evfd >= 0) |
|
|
1553 | close (evfd); |
|
|
1554 | #endif |
|
|
1555 | |
|
|
1556 | if (evpipe [0] >= 0) |
|
|
1557 | { |
1014 | close (sigpipe [0]); |
1558 | close (evpipe [0]); |
1015 | close (sigpipe [1]); |
1559 | close (evpipe [1]); |
|
|
1560 | } |
1016 | |
1561 | |
1017 | while (pipe (sigpipe)) |
|
|
1018 | syserr ("(libev) error creating pipe"); |
|
|
1019 | |
|
|
1020 | siginit (EV_A); |
1562 | evpipe_init (EV_A); |
|
|
1563 | /* now iterate over everything, in case we missed something */ |
|
|
1564 | pipecb (EV_A_ &pipe_w, EV_READ); |
1021 | } |
1565 | } |
1022 | |
1566 | |
1023 | postfork = 0; |
1567 | postfork = 0; |
1024 | } |
1568 | } |
1025 | |
1569 | |
1026 | #if EV_MULTIPLICITY |
1570 | #if EV_MULTIPLICITY |
|
|
1571 | |
1027 | struct ev_loop * |
1572 | struct ev_loop * |
1028 | ev_loop_new (unsigned int flags) |
1573 | ev_loop_new (unsigned int flags) |
1029 | { |
1574 | { |
1030 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1575 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1031 | |
1576 | |
… | |
… | |
1047 | } |
1592 | } |
1048 | |
1593 | |
1049 | void |
1594 | void |
1050 | ev_loop_fork (EV_P) |
1595 | ev_loop_fork (EV_P) |
1051 | { |
1596 | { |
1052 | postfork = 1; |
1597 | postfork = 1; /* must be in line with ev_default_fork */ |
1053 | } |
1598 | } |
1054 | |
1599 | |
|
|
1600 | #if EV_VERIFY |
|
|
1601 | static void noinline |
|
|
1602 | verify_watcher (EV_P_ W w) |
|
|
1603 | { |
|
|
1604 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1605 | |
|
|
1606 | if (w->pending) |
|
|
1607 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1608 | } |
|
|
1609 | |
|
|
1610 | static void noinline |
|
|
1611 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1612 | { |
|
|
1613 | int i; |
|
|
1614 | |
|
|
1615 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1616 | { |
|
|
1617 | assert (("libev: active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1618 | assert (("libev: heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1619 | assert (("libev: heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1620 | |
|
|
1621 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1622 | } |
|
|
1623 | } |
|
|
1624 | |
|
|
1625 | static void noinline |
|
|
1626 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1627 | { |
|
|
1628 | while (cnt--) |
|
|
1629 | { |
|
|
1630 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1631 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1632 | } |
|
|
1633 | } |
|
|
1634 | #endif |
|
|
1635 | |
|
|
1636 | void |
|
|
1637 | ev_loop_verify (EV_P) |
|
|
1638 | { |
|
|
1639 | #if EV_VERIFY |
|
|
1640 | int i; |
|
|
1641 | WL w; |
|
|
1642 | |
|
|
1643 | assert (activecnt >= -1); |
|
|
1644 | |
|
|
1645 | assert (fdchangemax >= fdchangecnt); |
|
|
1646 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1647 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1648 | |
|
|
1649 | assert (anfdmax >= 0); |
|
|
1650 | for (i = 0; i < anfdmax; ++i) |
|
|
1651 | for (w = anfds [i].head; w; w = w->next) |
|
|
1652 | { |
|
|
1653 | verify_watcher (EV_A_ (W)w); |
|
|
1654 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1655 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1656 | } |
|
|
1657 | |
|
|
1658 | assert (timermax >= timercnt); |
|
|
1659 | verify_heap (EV_A_ timers, timercnt); |
|
|
1660 | |
|
|
1661 | #if EV_PERIODIC_ENABLE |
|
|
1662 | assert (periodicmax >= periodiccnt); |
|
|
1663 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1664 | #endif |
|
|
1665 | |
|
|
1666 | for (i = NUMPRI; i--; ) |
|
|
1667 | { |
|
|
1668 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1669 | #if EV_IDLE_ENABLE |
|
|
1670 | assert (idleall >= 0); |
|
|
1671 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1672 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1673 | #endif |
|
|
1674 | } |
|
|
1675 | |
|
|
1676 | #if EV_FORK_ENABLE |
|
|
1677 | assert (forkmax >= forkcnt); |
|
|
1678 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1679 | #endif |
|
|
1680 | |
|
|
1681 | #if EV_ASYNC_ENABLE |
|
|
1682 | assert (asyncmax >= asynccnt); |
|
|
1683 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1684 | #endif |
|
|
1685 | |
|
|
1686 | assert (preparemax >= preparecnt); |
|
|
1687 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1688 | |
|
|
1689 | assert (checkmax >= checkcnt); |
|
|
1690 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1691 | |
|
|
1692 | # if 0 |
|
|
1693 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1694 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1055 | #endif |
1695 | # endif |
|
|
1696 | #endif |
|
|
1697 | } |
|
|
1698 | |
|
|
1699 | #endif /* multiplicity */ |
1056 | |
1700 | |
1057 | #if EV_MULTIPLICITY |
1701 | #if EV_MULTIPLICITY |
1058 | struct ev_loop * |
1702 | struct ev_loop * |
1059 | ev_default_loop_init (unsigned int flags) |
1703 | ev_default_loop_init (unsigned int flags) |
1060 | #else |
1704 | #else |
1061 | int |
1705 | int |
1062 | ev_default_loop (unsigned int flags) |
1706 | ev_default_loop (unsigned int flags) |
1063 | #endif |
1707 | #endif |
1064 | { |
1708 | { |
1065 | if (sigpipe [0] == sigpipe [1]) |
|
|
1066 | if (pipe (sigpipe)) |
|
|
1067 | return 0; |
|
|
1068 | |
|
|
1069 | if (!ev_default_loop_ptr) |
1709 | if (!ev_default_loop_ptr) |
1070 | { |
1710 | { |
1071 | #if EV_MULTIPLICITY |
1711 | #if EV_MULTIPLICITY |
1072 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1712 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1073 | #else |
1713 | #else |
… | |
… | |
1076 | |
1716 | |
1077 | loop_init (EV_A_ flags); |
1717 | loop_init (EV_A_ flags); |
1078 | |
1718 | |
1079 | if (ev_backend (EV_A)) |
1719 | if (ev_backend (EV_A)) |
1080 | { |
1720 | { |
1081 | siginit (EV_A); |
|
|
1082 | |
|
|
1083 | #ifndef _WIN32 |
1721 | #ifndef _WIN32 |
1084 | ev_signal_init (&childev, childcb, SIGCHLD); |
1722 | ev_signal_init (&childev, childcb, SIGCHLD); |
1085 | ev_set_priority (&childev, EV_MAXPRI); |
1723 | ev_set_priority (&childev, EV_MAXPRI); |
1086 | ev_signal_start (EV_A_ &childev); |
1724 | ev_signal_start (EV_A_ &childev); |
1087 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1725 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1099 | { |
1737 | { |
1100 | #if EV_MULTIPLICITY |
1738 | #if EV_MULTIPLICITY |
1101 | struct ev_loop *loop = ev_default_loop_ptr; |
1739 | struct ev_loop *loop = ev_default_loop_ptr; |
1102 | #endif |
1740 | #endif |
1103 | |
1741 | |
|
|
1742 | ev_default_loop_ptr = 0; |
|
|
1743 | |
1104 | #ifndef _WIN32 |
1744 | #ifndef _WIN32 |
1105 | ev_ref (EV_A); /* child watcher */ |
1745 | ev_ref (EV_A); /* child watcher */ |
1106 | ev_signal_stop (EV_A_ &childev); |
1746 | ev_signal_stop (EV_A_ &childev); |
1107 | #endif |
1747 | #endif |
1108 | |
1748 | |
1109 | ev_ref (EV_A); /* signal watcher */ |
|
|
1110 | ev_io_stop (EV_A_ &sigev); |
|
|
1111 | |
|
|
1112 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1113 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1114 | |
|
|
1115 | loop_destroy (EV_A); |
1749 | loop_destroy (EV_A); |
1116 | } |
1750 | } |
1117 | |
1751 | |
1118 | void |
1752 | void |
1119 | ev_default_fork (void) |
1753 | ev_default_fork (void) |
1120 | { |
1754 | { |
1121 | #if EV_MULTIPLICITY |
1755 | #if EV_MULTIPLICITY |
1122 | struct ev_loop *loop = ev_default_loop_ptr; |
1756 | struct ev_loop *loop = ev_default_loop_ptr; |
1123 | #endif |
1757 | #endif |
1124 | |
1758 | |
1125 | if (backend) |
1759 | postfork = 1; /* must be in line with ev_loop_fork */ |
1126 | postfork = 1; |
|
|
1127 | } |
1760 | } |
1128 | |
1761 | |
1129 | /*****************************************************************************/ |
1762 | /*****************************************************************************/ |
1130 | |
1763 | |
1131 | int inline_size |
1764 | void |
1132 | any_pending (EV_P) |
1765 | ev_invoke (EV_P_ void *w, int revents) |
1133 | { |
1766 | { |
1134 | int pri; |
1767 | EV_CB_INVOKE ((W)w, revents); |
1135 | |
|
|
1136 | for (pri = NUMPRI; pri--; ) |
|
|
1137 | if (pendingcnt [pri]) |
|
|
1138 | return 1; |
|
|
1139 | |
|
|
1140 | return 0; |
|
|
1141 | } |
1768 | } |
1142 | |
1769 | |
1143 | void inline_speed |
1770 | inline_speed void |
1144 | call_pending (EV_P) |
1771 | call_pending (EV_P) |
1145 | { |
1772 | { |
1146 | int pri; |
1773 | int pri; |
1147 | |
1774 | |
1148 | for (pri = NUMPRI; pri--; ) |
1775 | for (pri = NUMPRI; pri--; ) |
1149 | while (pendingcnt [pri]) |
1776 | while (pendingcnt [pri]) |
1150 | { |
1777 | { |
1151 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1778 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1152 | |
1779 | |
1153 | if (expect_true (p->w)) |
|
|
1154 | { |
|
|
1155 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1780 | /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/ |
|
|
1781 | /* ^ this is no longer true, as pending_w could be here */ |
1156 | |
1782 | |
1157 | p->w->pending = 0; |
1783 | p->w->pending = 0; |
1158 | EV_CB_INVOKE (p->w, p->events); |
1784 | EV_CB_INVOKE (p->w, p->events); |
1159 | } |
1785 | EV_FREQUENT_CHECK; |
1160 | } |
1786 | } |
1161 | } |
1787 | } |
1162 | |
1788 | |
1163 | void inline_size |
1789 | #if EV_IDLE_ENABLE |
|
|
1790 | /* make idle watchers pending. this handles the "call-idle */ |
|
|
1791 | /* only when higher priorities are idle" logic */ |
|
|
1792 | inline_size void |
|
|
1793 | idle_reify (EV_P) |
|
|
1794 | { |
|
|
1795 | if (expect_false (idleall)) |
|
|
1796 | { |
|
|
1797 | int pri; |
|
|
1798 | |
|
|
1799 | for (pri = NUMPRI; pri--; ) |
|
|
1800 | { |
|
|
1801 | if (pendingcnt [pri]) |
|
|
1802 | break; |
|
|
1803 | |
|
|
1804 | if (idlecnt [pri]) |
|
|
1805 | { |
|
|
1806 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1807 | break; |
|
|
1808 | } |
|
|
1809 | } |
|
|
1810 | } |
|
|
1811 | } |
|
|
1812 | #endif |
|
|
1813 | |
|
|
1814 | /* make timers pending */ |
|
|
1815 | inline_size void |
1164 | timers_reify (EV_P) |
1816 | timers_reify (EV_P) |
1165 | { |
1817 | { |
|
|
1818 | EV_FREQUENT_CHECK; |
|
|
1819 | |
1166 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1820 | if (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
1167 | { |
1821 | { |
1168 | ev_timer *w = timers [0]; |
1822 | do |
1169 | |
|
|
1170 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1171 | |
|
|
1172 | /* first reschedule or stop timer */ |
|
|
1173 | if (w->repeat) |
|
|
1174 | { |
1823 | { |
|
|
1824 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1825 | |
|
|
1826 | /*assert (("libev: inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1827 | |
|
|
1828 | /* first reschedule or stop timer */ |
|
|
1829 | if (w->repeat) |
|
|
1830 | { |
|
|
1831 | ev_at (w) += w->repeat; |
|
|
1832 | if (ev_at (w) < mn_now) |
|
|
1833 | ev_at (w) = mn_now; |
|
|
1834 | |
1175 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1835 | assert (("libev: negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1176 | |
1836 | |
1177 | ((WT)w)->at += w->repeat; |
1837 | ANHE_at_cache (timers [HEAP0]); |
1178 | if (((WT)w)->at < mn_now) |
|
|
1179 | ((WT)w)->at = mn_now; |
|
|
1180 | |
|
|
1181 | downheap ((WT *)timers, timercnt, 0); |
1838 | downheap (timers, timercnt, HEAP0); |
|
|
1839 | } |
|
|
1840 | else |
|
|
1841 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1842 | |
|
|
1843 | EV_FREQUENT_CHECK; |
|
|
1844 | feed_reverse (EV_A_ (W)w); |
1182 | } |
1845 | } |
1183 | else |
1846 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
1184 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1185 | |
1847 | |
1186 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1848 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
1187 | } |
1849 | } |
1188 | } |
1850 | } |
1189 | |
1851 | |
1190 | #if EV_PERIODIC_ENABLE |
1852 | #if EV_PERIODIC_ENABLE |
1191 | void inline_size |
1853 | /* make periodics pending */ |
|
|
1854 | inline_size void |
1192 | periodics_reify (EV_P) |
1855 | periodics_reify (EV_P) |
1193 | { |
1856 | { |
|
|
1857 | EV_FREQUENT_CHECK; |
|
|
1858 | |
1194 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1859 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
1195 | { |
1860 | { |
1196 | ev_periodic *w = periodics [0]; |
1861 | int feed_count = 0; |
1197 | |
1862 | |
1198 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1863 | do |
1199 | |
|
|
1200 | /* first reschedule or stop timer */ |
|
|
1201 | if (w->reschedule_cb) |
|
|
1202 | { |
1864 | { |
|
|
1865 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1866 | |
|
|
1867 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1868 | |
|
|
1869 | /* first reschedule or stop timer */ |
|
|
1870 | if (w->reschedule_cb) |
|
|
1871 | { |
1203 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1872 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1873 | |
1204 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1874 | assert (("libev: ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1875 | |
|
|
1876 | ANHE_at_cache (periodics [HEAP0]); |
1205 | downheap ((WT *)periodics, periodiccnt, 0); |
1877 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1878 | } |
|
|
1879 | else if (w->interval) |
|
|
1880 | { |
|
|
1881 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1882 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1883 | /* this might happen because of floating point inexactness */ |
|
|
1884 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1885 | { |
|
|
1886 | ev_at (w) += w->interval; |
|
|
1887 | |
|
|
1888 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1889 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1890 | /* has effectively asked to get triggered more often than possible */ |
|
|
1891 | if (ev_at (w) < ev_rt_now) |
|
|
1892 | ev_at (w) = ev_rt_now; |
|
|
1893 | } |
|
|
1894 | |
|
|
1895 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1896 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1897 | } |
|
|
1898 | else |
|
|
1899 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1900 | |
|
|
1901 | EV_FREQUENT_CHECK; |
|
|
1902 | feed_reverse (EV_A_ (W)w); |
1206 | } |
1903 | } |
1207 | else if (w->interval) |
1904 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now); |
1208 | { |
|
|
1209 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
|
|
1210 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1211 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1212 | } |
|
|
1213 | else |
|
|
1214 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1215 | |
1905 | |
1216 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1906 | feed_reverse_done (EV_A_ EV_PERIODIC); |
1217 | } |
1907 | } |
1218 | } |
1908 | } |
1219 | |
1909 | |
|
|
1910 | /* simply recalculate all periodics */ |
|
|
1911 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
1220 | static void noinline |
1912 | static void noinline |
1221 | periodics_reschedule (EV_P) |
1913 | periodics_reschedule (EV_P) |
1222 | { |
1914 | { |
1223 | int i; |
1915 | int i; |
1224 | |
1916 | |
1225 | /* adjust periodics after time jump */ |
1917 | /* adjust periodics after time jump */ |
1226 | for (i = 0; i < periodiccnt; ++i) |
1918 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
1227 | { |
1919 | { |
1228 | ev_periodic *w = periodics [i]; |
1920 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
1229 | |
1921 | |
1230 | if (w->reschedule_cb) |
1922 | if (w->reschedule_cb) |
1231 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1923 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1232 | else if (w->interval) |
1924 | else if (w->interval) |
1233 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1925 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1926 | |
|
|
1927 | ANHE_at_cache (periodics [i]); |
|
|
1928 | } |
|
|
1929 | |
|
|
1930 | reheap (periodics, periodiccnt); |
|
|
1931 | } |
|
|
1932 | #endif |
|
|
1933 | |
|
|
1934 | /* adjust all timers by a given offset */ |
|
|
1935 | static void noinline |
|
|
1936 | timers_reschedule (EV_P_ ev_tstamp adjust) |
|
|
1937 | { |
|
|
1938 | int i; |
|
|
1939 | |
|
|
1940 | for (i = 0; i < timercnt; ++i) |
1234 | } |
1941 | { |
1235 | |
1942 | ANHE *he = timers + i + HEAP0; |
1236 | /* now rebuild the heap */ |
1943 | ANHE_w (*he)->at += adjust; |
1237 | for (i = periodiccnt >> 1; i--; ) |
1944 | ANHE_at_cache (*he); |
1238 | downheap ((WT *)periodics, periodiccnt, i); |
1945 | } |
1239 | } |
1946 | } |
1240 | #endif |
|
|
1241 | |
1947 | |
1242 | int inline_size |
1948 | /* fetch new monotonic and realtime times from the kernel */ |
1243 | time_update_monotonic (EV_P) |
1949 | /* also detetc if there was a timejump, and act accordingly */ |
|
|
1950 | inline_speed void |
|
|
1951 | time_update (EV_P_ ev_tstamp max_block) |
1244 | { |
1952 | { |
|
|
1953 | int i; |
|
|
1954 | |
|
|
1955 | #if EV_USE_MONOTONIC |
|
|
1956 | if (expect_true (have_monotonic)) |
|
|
1957 | { |
|
|
1958 | ev_tstamp odiff = rtmn_diff; |
|
|
1959 | |
1245 | mn_now = get_clock (); |
1960 | mn_now = get_clock (); |
1246 | |
1961 | |
|
|
1962 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1963 | /* interpolate in the meantime */ |
1247 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1964 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1248 | { |
1965 | { |
1249 | ev_rt_now = rtmn_diff + mn_now; |
1966 | ev_rt_now = rtmn_diff + mn_now; |
1250 | return 0; |
1967 | return; |
1251 | } |
1968 | } |
1252 | else |
1969 | |
1253 | { |
|
|
1254 | now_floor = mn_now; |
1970 | now_floor = mn_now; |
1255 | ev_rt_now = ev_time (); |
1971 | ev_rt_now = ev_time (); |
1256 | return 1; |
|
|
1257 | } |
|
|
1258 | } |
|
|
1259 | |
1972 | |
1260 | void inline_size |
1973 | /* loop a few times, before making important decisions. |
1261 | time_update (EV_P) |
1974 | * on the choice of "4": one iteration isn't enough, |
1262 | { |
1975 | * in case we get preempted during the calls to |
1263 | int i; |
1976 | * ev_time and get_clock. a second call is almost guaranteed |
1264 | |
1977 | * to succeed in that case, though. and looping a few more times |
1265 | #if EV_USE_MONOTONIC |
1978 | * doesn't hurt either as we only do this on time-jumps or |
1266 | if (expect_true (have_monotonic)) |
1979 | * in the unlikely event of having been preempted here. |
1267 | { |
1980 | */ |
1268 | if (time_update_monotonic (EV_A)) |
1981 | for (i = 4; --i; ) |
1269 | { |
1982 | { |
1270 | ev_tstamp odiff = rtmn_diff; |
|
|
1271 | |
|
|
1272 | /* loop a few times, before making important decisions. |
|
|
1273 | * on the choice of "4": one iteration isn't enough, |
|
|
1274 | * in case we get preempted during the calls to |
|
|
1275 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1276 | * to succeed in that case, though. and looping a few more times |
|
|
1277 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1278 | * in the unlikely event of getting preempted here. |
|
|
1279 | */ |
|
|
1280 | for (i = 4; --i; ) |
|
|
1281 | { |
|
|
1282 | rtmn_diff = ev_rt_now - mn_now; |
1983 | rtmn_diff = ev_rt_now - mn_now; |
1283 | |
1984 | |
1284 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1985 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1285 | return; /* all is well */ |
1986 | return; /* all is well */ |
1286 | |
1987 | |
1287 | ev_rt_now = ev_time (); |
1988 | ev_rt_now = ev_time (); |
1288 | mn_now = get_clock (); |
1989 | mn_now = get_clock (); |
1289 | now_floor = mn_now; |
1990 | now_floor = mn_now; |
1290 | } |
1991 | } |
1291 | |
1992 | |
|
|
1993 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1994 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1292 | # if EV_PERIODIC_ENABLE |
1995 | # if EV_PERIODIC_ENABLE |
1293 | periodics_reschedule (EV_A); |
1996 | periodics_reschedule (EV_A); |
1294 | # endif |
1997 | # endif |
1295 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1296 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1297 | } |
|
|
1298 | } |
1998 | } |
1299 | else |
1999 | else |
1300 | #endif |
2000 | #endif |
1301 | { |
2001 | { |
1302 | ev_rt_now = ev_time (); |
2002 | ev_rt_now = ev_time (); |
1303 | |
2003 | |
1304 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
2004 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1305 | { |
2005 | { |
|
|
2006 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
|
|
2007 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
1306 | #if EV_PERIODIC_ENABLE |
2008 | #if EV_PERIODIC_ENABLE |
1307 | periodics_reschedule (EV_A); |
2009 | periodics_reschedule (EV_A); |
1308 | #endif |
2010 | #endif |
1309 | |
|
|
1310 | /* adjust timers. this is easy, as the offset is the same for all */ |
|
|
1311 | for (i = 0; i < timercnt; ++i) |
|
|
1312 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
|
|
1313 | } |
2011 | } |
1314 | |
2012 | |
1315 | mn_now = ev_rt_now; |
2013 | mn_now = ev_rt_now; |
1316 | } |
2014 | } |
1317 | } |
2015 | } |
1318 | |
2016 | |
1319 | void |
|
|
1320 | ev_ref (EV_P) |
|
|
1321 | { |
|
|
1322 | ++activecnt; |
|
|
1323 | } |
|
|
1324 | |
|
|
1325 | void |
|
|
1326 | ev_unref (EV_P) |
|
|
1327 | { |
|
|
1328 | --activecnt; |
|
|
1329 | } |
|
|
1330 | |
|
|
1331 | static int loop_done; |
2017 | static int loop_done; |
1332 | |
2018 | |
1333 | void |
2019 | void |
1334 | ev_loop (EV_P_ int flags) |
2020 | ev_loop (EV_P_ int flags) |
1335 | { |
2021 | { |
1336 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
2022 | loop_done = EVUNLOOP_CANCEL; |
1337 | ? EVUNLOOP_ONE |
|
|
1338 | : EVUNLOOP_CANCEL; |
|
|
1339 | |
2023 | |
1340 | while (activecnt) |
2024 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
2025 | |
|
|
2026 | do |
1341 | { |
2027 | { |
1342 | /* we might have forked, so reify kernel state if necessary */ |
2028 | #if EV_VERIFY >= 2 |
|
|
2029 | ev_loop_verify (EV_A); |
|
|
2030 | #endif |
|
|
2031 | |
|
|
2032 | #ifndef _WIN32 |
|
|
2033 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
2034 | if (expect_false (getpid () != curpid)) |
|
|
2035 | { |
|
|
2036 | curpid = getpid (); |
|
|
2037 | postfork = 1; |
|
|
2038 | } |
|
|
2039 | #endif |
|
|
2040 | |
1343 | #if EV_FORK_ENABLE |
2041 | #if EV_FORK_ENABLE |
|
|
2042 | /* we might have forked, so queue fork handlers */ |
1344 | if (expect_false (postfork)) |
2043 | if (expect_false (postfork)) |
1345 | if (forkcnt) |
2044 | if (forkcnt) |
1346 | { |
2045 | { |
1347 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
2046 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1348 | call_pending (EV_A); |
2047 | call_pending (EV_A); |
1349 | } |
2048 | } |
1350 | #endif |
2049 | #endif |
1351 | |
2050 | |
1352 | /* queue check watchers (and execute them) */ |
2051 | /* queue prepare watchers (and execute them) */ |
1353 | if (expect_false (preparecnt)) |
2052 | if (expect_false (preparecnt)) |
1354 | { |
2053 | { |
1355 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
2054 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1356 | call_pending (EV_A); |
2055 | call_pending (EV_A); |
1357 | } |
2056 | } |
… | |
… | |
1363 | /* update fd-related kernel structures */ |
2062 | /* update fd-related kernel structures */ |
1364 | fd_reify (EV_A); |
2063 | fd_reify (EV_A); |
1365 | |
2064 | |
1366 | /* calculate blocking time */ |
2065 | /* calculate blocking time */ |
1367 | { |
2066 | { |
1368 | double block; |
2067 | ev_tstamp waittime = 0.; |
|
|
2068 | ev_tstamp sleeptime = 0.; |
1369 | |
2069 | |
1370 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
2070 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1371 | block = 0.; /* do not block at all */ |
|
|
1372 | else |
|
|
1373 | { |
2071 | { |
1374 | /* update time to cancel out callback processing overhead */ |
2072 | /* update time to cancel out callback processing overhead */ |
1375 | #if EV_USE_MONOTONIC |
|
|
1376 | if (expect_true (have_monotonic)) |
|
|
1377 | time_update_monotonic (EV_A); |
2073 | time_update (EV_A_ 1e100); |
1378 | else |
|
|
1379 | #endif |
|
|
1380 | { |
|
|
1381 | ev_rt_now = ev_time (); |
|
|
1382 | mn_now = ev_rt_now; |
|
|
1383 | } |
|
|
1384 | |
2074 | |
1385 | block = MAX_BLOCKTIME; |
2075 | waittime = MAX_BLOCKTIME; |
1386 | |
2076 | |
1387 | if (timercnt) |
2077 | if (timercnt) |
1388 | { |
2078 | { |
1389 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
2079 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1390 | if (block > to) block = to; |
2080 | if (waittime > to) waittime = to; |
1391 | } |
2081 | } |
1392 | |
2082 | |
1393 | #if EV_PERIODIC_ENABLE |
2083 | #if EV_PERIODIC_ENABLE |
1394 | if (periodiccnt) |
2084 | if (periodiccnt) |
1395 | { |
2085 | { |
1396 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
2086 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1397 | if (block > to) block = to; |
2087 | if (waittime > to) waittime = to; |
1398 | } |
2088 | } |
1399 | #endif |
2089 | #endif |
1400 | |
2090 | |
1401 | if (expect_false (block < 0.)) block = 0.; |
2091 | if (expect_false (waittime < timeout_blocktime)) |
|
|
2092 | waittime = timeout_blocktime; |
|
|
2093 | |
|
|
2094 | sleeptime = waittime - backend_fudge; |
|
|
2095 | |
|
|
2096 | if (expect_true (sleeptime > io_blocktime)) |
|
|
2097 | sleeptime = io_blocktime; |
|
|
2098 | |
|
|
2099 | if (sleeptime) |
|
|
2100 | { |
|
|
2101 | ev_sleep (sleeptime); |
|
|
2102 | waittime -= sleeptime; |
|
|
2103 | } |
1402 | } |
2104 | } |
1403 | |
2105 | |
|
|
2106 | ++loop_count; |
1404 | backend_poll (EV_A_ block); |
2107 | backend_poll (EV_A_ waittime); |
|
|
2108 | |
|
|
2109 | /* update ev_rt_now, do magic */ |
|
|
2110 | time_update (EV_A_ waittime + sleeptime); |
1405 | } |
2111 | } |
1406 | |
|
|
1407 | /* update ev_rt_now, do magic */ |
|
|
1408 | time_update (EV_A); |
|
|
1409 | |
2112 | |
1410 | /* queue pending timers and reschedule them */ |
2113 | /* queue pending timers and reschedule them */ |
1411 | timers_reify (EV_A); /* relative timers called last */ |
2114 | timers_reify (EV_A); /* relative timers called last */ |
1412 | #if EV_PERIODIC_ENABLE |
2115 | #if EV_PERIODIC_ENABLE |
1413 | periodics_reify (EV_A); /* absolute timers called first */ |
2116 | periodics_reify (EV_A); /* absolute timers called first */ |
1414 | #endif |
2117 | #endif |
1415 | |
2118 | |
|
|
2119 | #if EV_IDLE_ENABLE |
1416 | /* queue idle watchers unless other events are pending */ |
2120 | /* queue idle watchers unless other events are pending */ |
1417 | if (idlecnt && !any_pending (EV_A)) |
2121 | idle_reify (EV_A); |
1418 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
2122 | #endif |
1419 | |
2123 | |
1420 | /* queue check watchers, to be executed first */ |
2124 | /* queue check watchers, to be executed first */ |
1421 | if (expect_false (checkcnt)) |
2125 | if (expect_false (checkcnt)) |
1422 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2126 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1423 | |
2127 | |
1424 | call_pending (EV_A); |
2128 | call_pending (EV_A); |
1425 | |
|
|
1426 | if (expect_false (loop_done)) |
|
|
1427 | break; |
|
|
1428 | } |
2129 | } |
|
|
2130 | while (expect_true ( |
|
|
2131 | activecnt |
|
|
2132 | && !loop_done |
|
|
2133 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2134 | )); |
1429 | |
2135 | |
1430 | if (loop_done == EVUNLOOP_ONE) |
2136 | if (loop_done == EVUNLOOP_ONE) |
1431 | loop_done = EVUNLOOP_CANCEL; |
2137 | loop_done = EVUNLOOP_CANCEL; |
1432 | } |
2138 | } |
1433 | |
2139 | |
… | |
… | |
1435 | ev_unloop (EV_P_ int how) |
2141 | ev_unloop (EV_P_ int how) |
1436 | { |
2142 | { |
1437 | loop_done = how; |
2143 | loop_done = how; |
1438 | } |
2144 | } |
1439 | |
2145 | |
|
|
2146 | void |
|
|
2147 | ev_ref (EV_P) |
|
|
2148 | { |
|
|
2149 | ++activecnt; |
|
|
2150 | } |
|
|
2151 | |
|
|
2152 | void |
|
|
2153 | ev_unref (EV_P) |
|
|
2154 | { |
|
|
2155 | --activecnt; |
|
|
2156 | } |
|
|
2157 | |
|
|
2158 | void |
|
|
2159 | ev_now_update (EV_P) |
|
|
2160 | { |
|
|
2161 | time_update (EV_A_ 1e100); |
|
|
2162 | } |
|
|
2163 | |
|
|
2164 | void |
|
|
2165 | ev_suspend (EV_P) |
|
|
2166 | { |
|
|
2167 | ev_now_update (EV_A); |
|
|
2168 | } |
|
|
2169 | |
|
|
2170 | void |
|
|
2171 | ev_resume (EV_P) |
|
|
2172 | { |
|
|
2173 | ev_tstamp mn_prev = mn_now; |
|
|
2174 | |
|
|
2175 | ev_now_update (EV_A); |
|
|
2176 | timers_reschedule (EV_A_ mn_now - mn_prev); |
|
|
2177 | #if EV_PERIODIC_ENABLE |
|
|
2178 | /* TODO: really do this? */ |
|
|
2179 | periodics_reschedule (EV_A); |
|
|
2180 | #endif |
|
|
2181 | } |
|
|
2182 | |
1440 | /*****************************************************************************/ |
2183 | /*****************************************************************************/ |
|
|
2184 | /* singly-linked list management, used when the expected list length is short */ |
1441 | |
2185 | |
1442 | void inline_size |
2186 | inline_size void |
1443 | wlist_add (WL *head, WL elem) |
2187 | wlist_add (WL *head, WL elem) |
1444 | { |
2188 | { |
1445 | elem->next = *head; |
2189 | elem->next = *head; |
1446 | *head = elem; |
2190 | *head = elem; |
1447 | } |
2191 | } |
1448 | |
2192 | |
1449 | void inline_size |
2193 | inline_size void |
1450 | wlist_del (WL *head, WL elem) |
2194 | wlist_del (WL *head, WL elem) |
1451 | { |
2195 | { |
1452 | while (*head) |
2196 | while (*head) |
1453 | { |
2197 | { |
1454 | if (*head == elem) |
2198 | if (*head == elem) |
… | |
… | |
1459 | |
2203 | |
1460 | head = &(*head)->next; |
2204 | head = &(*head)->next; |
1461 | } |
2205 | } |
1462 | } |
2206 | } |
1463 | |
2207 | |
1464 | void inline_speed |
2208 | /* internal, faster, version of ev_clear_pending */ |
|
|
2209 | inline_speed void |
1465 | ev_clear_pending (EV_P_ W w) |
2210 | clear_pending (EV_P_ W w) |
1466 | { |
2211 | { |
1467 | if (w->pending) |
2212 | if (w->pending) |
1468 | { |
2213 | { |
1469 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
2214 | pendings [ABSPRI (w)][w->pending - 1].w = (W)&pending_w; |
1470 | w->pending = 0; |
2215 | w->pending = 0; |
1471 | } |
2216 | } |
1472 | } |
2217 | } |
1473 | |
2218 | |
1474 | void inline_speed |
2219 | int |
|
|
2220 | ev_clear_pending (EV_P_ void *w) |
|
|
2221 | { |
|
|
2222 | W w_ = (W)w; |
|
|
2223 | int pending = w_->pending; |
|
|
2224 | |
|
|
2225 | if (expect_true (pending)) |
|
|
2226 | { |
|
|
2227 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
2228 | p->w = (W)&pending_w; |
|
|
2229 | w_->pending = 0; |
|
|
2230 | return p->events; |
|
|
2231 | } |
|
|
2232 | else |
|
|
2233 | return 0; |
|
|
2234 | } |
|
|
2235 | |
|
|
2236 | inline_size void |
|
|
2237 | pri_adjust (EV_P_ W w) |
|
|
2238 | { |
|
|
2239 | int pri = w->priority; |
|
|
2240 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
2241 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
2242 | w->priority = pri; |
|
|
2243 | } |
|
|
2244 | |
|
|
2245 | inline_speed void |
1475 | ev_start (EV_P_ W w, int active) |
2246 | ev_start (EV_P_ W w, int active) |
1476 | { |
2247 | { |
1477 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
2248 | pri_adjust (EV_A_ w); |
1478 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1479 | |
|
|
1480 | w->active = active; |
2249 | w->active = active; |
1481 | ev_ref (EV_A); |
2250 | ev_ref (EV_A); |
1482 | } |
2251 | } |
1483 | |
2252 | |
1484 | void inline_size |
2253 | inline_size void |
1485 | ev_stop (EV_P_ W w) |
2254 | ev_stop (EV_P_ W w) |
1486 | { |
2255 | { |
1487 | ev_unref (EV_A); |
2256 | ev_unref (EV_A); |
1488 | w->active = 0; |
2257 | w->active = 0; |
1489 | } |
2258 | } |
1490 | |
2259 | |
1491 | /*****************************************************************************/ |
2260 | /*****************************************************************************/ |
1492 | |
2261 | |
1493 | void |
2262 | void noinline |
1494 | ev_io_start (EV_P_ ev_io *w) |
2263 | ev_io_start (EV_P_ ev_io *w) |
1495 | { |
2264 | { |
1496 | int fd = w->fd; |
2265 | int fd = w->fd; |
1497 | |
2266 | |
1498 | if (expect_false (ev_is_active (w))) |
2267 | if (expect_false (ev_is_active (w))) |
1499 | return; |
2268 | return; |
1500 | |
2269 | |
1501 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2270 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
|
|
2271 | assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2272 | |
|
|
2273 | EV_FREQUENT_CHECK; |
1502 | |
2274 | |
1503 | ev_start (EV_A_ (W)w, 1); |
2275 | ev_start (EV_A_ (W)w, 1); |
1504 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2276 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1505 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
2277 | wlist_add (&anfds[fd].head, (WL)w); |
1506 | |
2278 | |
1507 | fd_change (EV_A_ fd); |
2279 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | 1); |
1508 | } |
2280 | w->events &= ~EV__IOFDSET; |
1509 | |
2281 | |
1510 | void |
2282 | EV_FREQUENT_CHECK; |
|
|
2283 | } |
|
|
2284 | |
|
|
2285 | void noinline |
1511 | ev_io_stop (EV_P_ ev_io *w) |
2286 | ev_io_stop (EV_P_ ev_io *w) |
1512 | { |
2287 | { |
1513 | ev_clear_pending (EV_A_ (W)w); |
2288 | clear_pending (EV_A_ (W)w); |
1514 | if (expect_false (!ev_is_active (w))) |
2289 | if (expect_false (!ev_is_active (w))) |
1515 | return; |
2290 | return; |
1516 | |
2291 | |
1517 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2292 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1518 | |
2293 | |
|
|
2294 | EV_FREQUENT_CHECK; |
|
|
2295 | |
1519 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
2296 | wlist_del (&anfds[w->fd].head, (WL)w); |
1520 | ev_stop (EV_A_ (W)w); |
2297 | ev_stop (EV_A_ (W)w); |
1521 | |
2298 | |
1522 | fd_change (EV_A_ w->fd); |
2299 | fd_change (EV_A_ w->fd, 1); |
1523 | } |
|
|
1524 | |
2300 | |
1525 | void |
2301 | EV_FREQUENT_CHECK; |
|
|
2302 | } |
|
|
2303 | |
|
|
2304 | void noinline |
1526 | ev_timer_start (EV_P_ ev_timer *w) |
2305 | ev_timer_start (EV_P_ ev_timer *w) |
1527 | { |
2306 | { |
1528 | if (expect_false (ev_is_active (w))) |
2307 | if (expect_false (ev_is_active (w))) |
1529 | return; |
2308 | return; |
1530 | |
2309 | |
1531 | ((WT)w)->at += mn_now; |
2310 | ev_at (w) += mn_now; |
1532 | |
2311 | |
1533 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2312 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1534 | |
2313 | |
|
|
2314 | EV_FREQUENT_CHECK; |
|
|
2315 | |
|
|
2316 | ++timercnt; |
1535 | ev_start (EV_A_ (W)w, ++timercnt); |
2317 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1536 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
2318 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1537 | timers [timercnt - 1] = w; |
2319 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1538 | upheap ((WT *)timers, timercnt - 1); |
2320 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2321 | upheap (timers, ev_active (w)); |
1539 | |
2322 | |
|
|
2323 | EV_FREQUENT_CHECK; |
|
|
2324 | |
1540 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2325 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1541 | } |
2326 | } |
1542 | |
2327 | |
1543 | void |
2328 | void noinline |
1544 | ev_timer_stop (EV_P_ ev_timer *w) |
2329 | ev_timer_stop (EV_P_ ev_timer *w) |
1545 | { |
2330 | { |
1546 | ev_clear_pending (EV_A_ (W)w); |
2331 | clear_pending (EV_A_ (W)w); |
1547 | if (expect_false (!ev_is_active (w))) |
2332 | if (expect_false (!ev_is_active (w))) |
1548 | return; |
2333 | return; |
1549 | |
2334 | |
1550 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
2335 | EV_FREQUENT_CHECK; |
1551 | |
2336 | |
1552 | { |
2337 | { |
1553 | int active = ((W)w)->active; |
2338 | int active = ev_active (w); |
1554 | |
2339 | |
|
|
2340 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2341 | |
|
|
2342 | --timercnt; |
|
|
2343 | |
1555 | if (expect_true (--active < --timercnt)) |
2344 | if (expect_true (active < timercnt + HEAP0)) |
1556 | { |
2345 | { |
1557 | timers [active] = timers [timercnt]; |
2346 | timers [active] = timers [timercnt + HEAP0]; |
1558 | adjustheap ((WT *)timers, timercnt, active); |
2347 | adjustheap (timers, timercnt, active); |
1559 | } |
2348 | } |
1560 | } |
2349 | } |
1561 | |
2350 | |
1562 | ((WT)w)->at -= mn_now; |
2351 | EV_FREQUENT_CHECK; |
|
|
2352 | |
|
|
2353 | ev_at (w) -= mn_now; |
1563 | |
2354 | |
1564 | ev_stop (EV_A_ (W)w); |
2355 | ev_stop (EV_A_ (W)w); |
1565 | } |
2356 | } |
1566 | |
2357 | |
1567 | void |
2358 | void noinline |
1568 | ev_timer_again (EV_P_ ev_timer *w) |
2359 | ev_timer_again (EV_P_ ev_timer *w) |
1569 | { |
2360 | { |
|
|
2361 | EV_FREQUENT_CHECK; |
|
|
2362 | |
1570 | if (ev_is_active (w)) |
2363 | if (ev_is_active (w)) |
1571 | { |
2364 | { |
1572 | if (w->repeat) |
2365 | if (w->repeat) |
1573 | { |
2366 | { |
1574 | ((WT)w)->at = mn_now + w->repeat; |
2367 | ev_at (w) = mn_now + w->repeat; |
|
|
2368 | ANHE_at_cache (timers [ev_active (w)]); |
1575 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
2369 | adjustheap (timers, timercnt, ev_active (w)); |
1576 | } |
2370 | } |
1577 | else |
2371 | else |
1578 | ev_timer_stop (EV_A_ w); |
2372 | ev_timer_stop (EV_A_ w); |
1579 | } |
2373 | } |
1580 | else if (w->repeat) |
2374 | else if (w->repeat) |
1581 | { |
2375 | { |
1582 | w->at = w->repeat; |
2376 | ev_at (w) = w->repeat; |
1583 | ev_timer_start (EV_A_ w); |
2377 | ev_timer_start (EV_A_ w); |
1584 | } |
2378 | } |
|
|
2379 | |
|
|
2380 | EV_FREQUENT_CHECK; |
1585 | } |
2381 | } |
1586 | |
2382 | |
1587 | #if EV_PERIODIC_ENABLE |
2383 | #if EV_PERIODIC_ENABLE |
1588 | void |
2384 | void noinline |
1589 | ev_periodic_start (EV_P_ ev_periodic *w) |
2385 | ev_periodic_start (EV_P_ ev_periodic *w) |
1590 | { |
2386 | { |
1591 | if (expect_false (ev_is_active (w))) |
2387 | if (expect_false (ev_is_active (w))) |
1592 | return; |
2388 | return; |
1593 | |
2389 | |
1594 | if (w->reschedule_cb) |
2390 | if (w->reschedule_cb) |
1595 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2391 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1596 | else if (w->interval) |
2392 | else if (w->interval) |
1597 | { |
2393 | { |
1598 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2394 | assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1599 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2395 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1600 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
2396 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1601 | } |
2397 | } |
|
|
2398 | else |
|
|
2399 | ev_at (w) = w->offset; |
1602 | |
2400 | |
|
|
2401 | EV_FREQUENT_CHECK; |
|
|
2402 | |
|
|
2403 | ++periodiccnt; |
1603 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2404 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1604 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
2405 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1605 | periodics [periodiccnt - 1] = w; |
2406 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1606 | upheap ((WT *)periodics, periodiccnt - 1); |
2407 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2408 | upheap (periodics, ev_active (w)); |
1607 | |
2409 | |
|
|
2410 | EV_FREQUENT_CHECK; |
|
|
2411 | |
1608 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2412 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1609 | } |
2413 | } |
1610 | |
2414 | |
1611 | void |
2415 | void noinline |
1612 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2416 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1613 | { |
2417 | { |
1614 | ev_clear_pending (EV_A_ (W)w); |
2418 | clear_pending (EV_A_ (W)w); |
1615 | if (expect_false (!ev_is_active (w))) |
2419 | if (expect_false (!ev_is_active (w))) |
1616 | return; |
2420 | return; |
1617 | |
2421 | |
1618 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
2422 | EV_FREQUENT_CHECK; |
1619 | |
2423 | |
1620 | { |
2424 | { |
1621 | int active = ((W)w)->active; |
2425 | int active = ev_active (w); |
1622 | |
2426 | |
|
|
2427 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2428 | |
|
|
2429 | --periodiccnt; |
|
|
2430 | |
1623 | if (expect_true (--active < --periodiccnt)) |
2431 | if (expect_true (active < periodiccnt + HEAP0)) |
1624 | { |
2432 | { |
1625 | periodics [active] = periodics [periodiccnt]; |
2433 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1626 | adjustheap ((WT *)periodics, periodiccnt, active); |
2434 | adjustheap (periodics, periodiccnt, active); |
1627 | } |
2435 | } |
1628 | } |
2436 | } |
1629 | |
2437 | |
|
|
2438 | EV_FREQUENT_CHECK; |
|
|
2439 | |
1630 | ev_stop (EV_A_ (W)w); |
2440 | ev_stop (EV_A_ (W)w); |
1631 | } |
2441 | } |
1632 | |
2442 | |
1633 | void |
2443 | void noinline |
1634 | ev_periodic_again (EV_P_ ev_periodic *w) |
2444 | ev_periodic_again (EV_P_ ev_periodic *w) |
1635 | { |
2445 | { |
1636 | /* TODO: use adjustheap and recalculation */ |
2446 | /* TODO: use adjustheap and recalculation */ |
1637 | ev_periodic_stop (EV_A_ w); |
2447 | ev_periodic_stop (EV_A_ w); |
1638 | ev_periodic_start (EV_A_ w); |
2448 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1641 | |
2451 | |
1642 | #ifndef SA_RESTART |
2452 | #ifndef SA_RESTART |
1643 | # define SA_RESTART 0 |
2453 | # define SA_RESTART 0 |
1644 | #endif |
2454 | #endif |
1645 | |
2455 | |
1646 | void |
2456 | void noinline |
1647 | ev_signal_start (EV_P_ ev_signal *w) |
2457 | ev_signal_start (EV_P_ ev_signal *w) |
1648 | { |
2458 | { |
1649 | #if EV_MULTIPLICITY |
2459 | #if EV_MULTIPLICITY |
1650 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2460 | assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1651 | #endif |
2461 | #endif |
1652 | if (expect_false (ev_is_active (w))) |
2462 | if (expect_false (ev_is_active (w))) |
1653 | return; |
2463 | return; |
1654 | |
2464 | |
1655 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2465 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
2466 | |
|
|
2467 | evpipe_init (EV_A); |
|
|
2468 | |
|
|
2469 | EV_FREQUENT_CHECK; |
|
|
2470 | |
|
|
2471 | { |
|
|
2472 | #ifndef _WIN32 |
|
|
2473 | sigset_t full, prev; |
|
|
2474 | sigfillset (&full); |
|
|
2475 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
2476 | #endif |
|
|
2477 | |
|
|
2478 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
|
|
2479 | |
|
|
2480 | #ifndef _WIN32 |
|
|
2481 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
2482 | #endif |
|
|
2483 | } |
1656 | |
2484 | |
1657 | ev_start (EV_A_ (W)w, 1); |
2485 | ev_start (EV_A_ (W)w, 1); |
1658 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1659 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
2486 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1660 | |
2487 | |
1661 | if (!((WL)w)->next) |
2488 | if (!((WL)w)->next) |
1662 | { |
2489 | { |
1663 | #if _WIN32 |
2490 | #if _WIN32 |
1664 | signal (w->signum, sighandler); |
2491 | signal (w->signum, ev_sighandler); |
1665 | #else |
2492 | #else |
1666 | struct sigaction sa; |
2493 | struct sigaction sa; |
1667 | sa.sa_handler = sighandler; |
2494 | sa.sa_handler = ev_sighandler; |
1668 | sigfillset (&sa.sa_mask); |
2495 | sigfillset (&sa.sa_mask); |
1669 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2496 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1670 | sigaction (w->signum, &sa, 0); |
2497 | sigaction (w->signum, &sa, 0); |
1671 | #endif |
2498 | #endif |
1672 | } |
2499 | } |
1673 | } |
|
|
1674 | |
2500 | |
1675 | void |
2501 | EV_FREQUENT_CHECK; |
|
|
2502 | } |
|
|
2503 | |
|
|
2504 | void noinline |
1676 | ev_signal_stop (EV_P_ ev_signal *w) |
2505 | ev_signal_stop (EV_P_ ev_signal *w) |
1677 | { |
2506 | { |
1678 | ev_clear_pending (EV_A_ (W)w); |
2507 | clear_pending (EV_A_ (W)w); |
1679 | if (expect_false (!ev_is_active (w))) |
2508 | if (expect_false (!ev_is_active (w))) |
1680 | return; |
2509 | return; |
1681 | |
2510 | |
|
|
2511 | EV_FREQUENT_CHECK; |
|
|
2512 | |
1682 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
2513 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1683 | ev_stop (EV_A_ (W)w); |
2514 | ev_stop (EV_A_ (W)w); |
1684 | |
2515 | |
1685 | if (!signals [w->signum - 1].head) |
2516 | if (!signals [w->signum - 1].head) |
1686 | signal (w->signum, SIG_DFL); |
2517 | signal (w->signum, SIG_DFL); |
|
|
2518 | |
|
|
2519 | EV_FREQUENT_CHECK; |
1687 | } |
2520 | } |
1688 | |
2521 | |
1689 | void |
2522 | void |
1690 | ev_child_start (EV_P_ ev_child *w) |
2523 | ev_child_start (EV_P_ ev_child *w) |
1691 | { |
2524 | { |
1692 | #if EV_MULTIPLICITY |
2525 | #if EV_MULTIPLICITY |
1693 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2526 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1694 | #endif |
2527 | #endif |
1695 | if (expect_false (ev_is_active (w))) |
2528 | if (expect_false (ev_is_active (w))) |
1696 | return; |
2529 | return; |
1697 | |
2530 | |
|
|
2531 | EV_FREQUENT_CHECK; |
|
|
2532 | |
1698 | ev_start (EV_A_ (W)w, 1); |
2533 | ev_start (EV_A_ (W)w, 1); |
1699 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2534 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2535 | |
|
|
2536 | EV_FREQUENT_CHECK; |
1700 | } |
2537 | } |
1701 | |
2538 | |
1702 | void |
2539 | void |
1703 | ev_child_stop (EV_P_ ev_child *w) |
2540 | ev_child_stop (EV_P_ ev_child *w) |
1704 | { |
2541 | { |
1705 | ev_clear_pending (EV_A_ (W)w); |
2542 | clear_pending (EV_A_ (W)w); |
1706 | if (expect_false (!ev_is_active (w))) |
2543 | if (expect_false (!ev_is_active (w))) |
1707 | return; |
2544 | return; |
1708 | |
2545 | |
|
|
2546 | EV_FREQUENT_CHECK; |
|
|
2547 | |
1709 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2548 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1710 | ev_stop (EV_A_ (W)w); |
2549 | ev_stop (EV_A_ (W)w); |
|
|
2550 | |
|
|
2551 | EV_FREQUENT_CHECK; |
1711 | } |
2552 | } |
1712 | |
2553 | |
1713 | #if EV_STAT_ENABLE |
2554 | #if EV_STAT_ENABLE |
1714 | |
2555 | |
1715 | # ifdef _WIN32 |
2556 | # ifdef _WIN32 |
1716 | # undef lstat |
2557 | # undef lstat |
1717 | # define lstat(a,b) _stati64 (a,b) |
2558 | # define lstat(a,b) _stati64 (a,b) |
1718 | # endif |
2559 | # endif |
1719 | |
2560 | |
1720 | #define DEF_STAT_INTERVAL 5.0074891 |
2561 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
2562 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
1721 | #define MIN_STAT_INTERVAL 0.1074891 |
2563 | #define MIN_STAT_INTERVAL 0.1074891 |
1722 | |
2564 | |
1723 | void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
2565 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
1724 | |
2566 | |
1725 | #if EV_USE_INOTIFY |
2567 | #if EV_USE_INOTIFY |
1726 | # define EV_INOTIFY_BUFSIZE 8192 |
2568 | # define EV_INOTIFY_BUFSIZE 8192 |
1727 | |
2569 | |
1728 | static void noinline |
2570 | static void noinline |
… | |
… | |
1730 | { |
2572 | { |
1731 | 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); |
2573 | 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); |
1732 | |
2574 | |
1733 | if (w->wd < 0) |
2575 | if (w->wd < 0) |
1734 | { |
2576 | { |
|
|
2577 | w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; |
1735 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2578 | ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
1736 | |
2579 | |
1737 | /* monitor some parent directory for speedup hints */ |
2580 | /* monitor some parent directory for speedup hints */ |
|
|
2581 | /* note that exceeding the hardcoded path limit is not a correctness issue, */ |
|
|
2582 | /* but an efficiency issue only */ |
1738 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2583 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1739 | { |
2584 | { |
1740 | char path [4096]; |
2585 | char path [4096]; |
1741 | strcpy (path, w->path); |
2586 | strcpy (path, w->path); |
1742 | |
2587 | |
… | |
… | |
1745 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
2590 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
1746 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
2591 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
1747 | |
2592 | |
1748 | char *pend = strrchr (path, '/'); |
2593 | char *pend = strrchr (path, '/'); |
1749 | |
2594 | |
1750 | if (!pend) |
2595 | if (!pend || pend == path) |
1751 | break; /* whoops, no '/', complain to your admin */ |
2596 | break; |
1752 | |
2597 | |
1753 | *pend = 0; |
2598 | *pend = 0; |
1754 | w->wd = inotify_add_watch (fs_fd, path, mask); |
2599 | w->wd = inotify_add_watch (fs_fd, path, mask); |
1755 | } |
2600 | } |
1756 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
2601 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
1757 | } |
2602 | } |
1758 | } |
2603 | } |
1759 | else |
|
|
1760 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1761 | |
2604 | |
1762 | if (w->wd >= 0) |
2605 | if (w->wd >= 0) |
|
|
2606 | { |
1763 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
2607 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
2608 | |
|
|
2609 | /* now local changes will be tracked by inotify, but remote changes won't */ |
|
|
2610 | /* unless the filesystem it known to be local, we therefore still poll */ |
|
|
2611 | /* also do poll on <2.6.25, but with normal frequency */ |
|
|
2612 | struct statfs sfs; |
|
|
2613 | |
|
|
2614 | if (fs_2625 && !statfs (w->path, &sfs)) |
|
|
2615 | if (sfs.f_type == 0x1373 /* devfs */ |
|
|
2616 | || sfs.f_type == 0xEF53 /* ext2/3 */ |
|
|
2617 | || sfs.f_type == 0x3153464a /* jfs */ |
|
|
2618 | || sfs.f_type == 0x52654973 /* reiser3 */ |
|
|
2619 | || sfs.f_type == 0x01021994 /* tempfs */ |
|
|
2620 | || sfs.f_type == 0x58465342 /* xfs */) |
|
|
2621 | return; |
|
|
2622 | |
|
|
2623 | w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2624 | ev_timer_again (EV_A_ &w->timer); |
|
|
2625 | } |
1764 | } |
2626 | } |
1765 | |
2627 | |
1766 | static void noinline |
2628 | static void noinline |
1767 | infy_del (EV_P_ ev_stat *w) |
2629 | infy_del (EV_P_ ev_stat *w) |
1768 | { |
2630 | { |
… | |
… | |
1782 | |
2644 | |
1783 | static void noinline |
2645 | static void noinline |
1784 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2646 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
1785 | { |
2647 | { |
1786 | if (slot < 0) |
2648 | if (slot < 0) |
1787 | /* overflow, need to check for all hahs slots */ |
2649 | /* overflow, need to check for all hash slots */ |
1788 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2650 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
1789 | infy_wd (EV_A_ slot, wd, ev); |
2651 | infy_wd (EV_A_ slot, wd, ev); |
1790 | else |
2652 | else |
1791 | { |
2653 | { |
1792 | WL w_; |
2654 | WL w_; |
… | |
… | |
1798 | |
2660 | |
1799 | if (w->wd == wd || wd == -1) |
2661 | if (w->wd == wd || wd == -1) |
1800 | { |
2662 | { |
1801 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
2663 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
1802 | { |
2664 | { |
|
|
2665 | wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
1803 | w->wd = -1; |
2666 | w->wd = -1; |
1804 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2667 | infy_add (EV_A_ w); /* re-add, no matter what */ |
1805 | } |
2668 | } |
1806 | |
2669 | |
1807 | stat_timer_cb (EV_A_ &w->timer, 0); |
2670 | stat_timer_cb (EV_A_ &w->timer, 0); |
… | |
… | |
1820 | |
2683 | |
1821 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
2684 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
1822 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
2685 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
1823 | } |
2686 | } |
1824 | |
2687 | |
1825 | void inline_size |
2688 | inline_size void |
|
|
2689 | check_2625 (EV_P) |
|
|
2690 | { |
|
|
2691 | /* kernels < 2.6.25 are borked |
|
|
2692 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2693 | */ |
|
|
2694 | struct utsname buf; |
|
|
2695 | int major, minor, micro; |
|
|
2696 | |
|
|
2697 | if (uname (&buf)) |
|
|
2698 | return; |
|
|
2699 | |
|
|
2700 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2701 | return; |
|
|
2702 | |
|
|
2703 | if (major < 2 |
|
|
2704 | || (major == 2 && minor < 6) |
|
|
2705 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2706 | return; |
|
|
2707 | |
|
|
2708 | fs_2625 = 1; |
|
|
2709 | } |
|
|
2710 | |
|
|
2711 | inline_size void |
1826 | infy_init (EV_P) |
2712 | infy_init (EV_P) |
1827 | { |
2713 | { |
1828 | if (fs_fd != -2) |
2714 | if (fs_fd != -2) |
1829 | return; |
2715 | return; |
|
|
2716 | |
|
|
2717 | fs_fd = -1; |
|
|
2718 | |
|
|
2719 | check_2625 (EV_A); |
1830 | |
2720 | |
1831 | fs_fd = inotify_init (); |
2721 | fs_fd = inotify_init (); |
1832 | |
2722 | |
1833 | if (fs_fd >= 0) |
2723 | if (fs_fd >= 0) |
1834 | { |
2724 | { |
… | |
… | |
1836 | ev_set_priority (&fs_w, EV_MAXPRI); |
2726 | ev_set_priority (&fs_w, EV_MAXPRI); |
1837 | ev_io_start (EV_A_ &fs_w); |
2727 | ev_io_start (EV_A_ &fs_w); |
1838 | } |
2728 | } |
1839 | } |
2729 | } |
1840 | |
2730 | |
1841 | void inline_size |
2731 | inline_size void |
1842 | infy_fork (EV_P) |
2732 | infy_fork (EV_P) |
1843 | { |
2733 | { |
1844 | int slot; |
2734 | int slot; |
1845 | |
2735 | |
1846 | if (fs_fd < 0) |
2736 | if (fs_fd < 0) |
… | |
… | |
1862 | w->wd = -1; |
2752 | w->wd = -1; |
1863 | |
2753 | |
1864 | if (fs_fd >= 0) |
2754 | if (fs_fd >= 0) |
1865 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2755 | infy_add (EV_A_ w); /* re-add, no matter what */ |
1866 | else |
2756 | else |
1867 | ev_timer_start (EV_A_ &w->timer); |
2757 | ev_timer_again (EV_A_ &w->timer); |
1868 | } |
2758 | } |
1869 | |
|
|
1870 | } |
2759 | } |
1871 | } |
2760 | } |
1872 | |
2761 | |
|
|
2762 | #endif |
|
|
2763 | |
|
|
2764 | #ifdef _WIN32 |
|
|
2765 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2766 | #else |
|
|
2767 | # define EV_LSTAT(p,b) lstat (p, b) |
1873 | #endif |
2768 | #endif |
1874 | |
2769 | |
1875 | void |
2770 | void |
1876 | ev_stat_stat (EV_P_ ev_stat *w) |
2771 | ev_stat_stat (EV_P_ ev_stat *w) |
1877 | { |
2772 | { |
… | |
… | |
1879 | w->attr.st_nlink = 0; |
2774 | w->attr.st_nlink = 0; |
1880 | else if (!w->attr.st_nlink) |
2775 | else if (!w->attr.st_nlink) |
1881 | w->attr.st_nlink = 1; |
2776 | w->attr.st_nlink = 1; |
1882 | } |
2777 | } |
1883 | |
2778 | |
1884 | void noinline |
2779 | static void noinline |
1885 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2780 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
1886 | { |
2781 | { |
1887 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2782 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
1888 | |
2783 | |
1889 | /* we copy this here each the time so that */ |
2784 | /* we copy this here each the time so that */ |
1890 | /* prev has the old value when the callback gets invoked */ |
2785 | /* prev has the old value when the callback gets invoked */ |
1891 | w->prev = w->attr; |
2786 | w->prev = w->attr; |
1892 | ev_stat_stat (EV_A_ w); |
2787 | ev_stat_stat (EV_A_ w); |
1893 | |
2788 | |
1894 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
2789 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2790 | if ( |
|
|
2791 | w->prev.st_dev != w->attr.st_dev |
|
|
2792 | || w->prev.st_ino != w->attr.st_ino |
|
|
2793 | || w->prev.st_mode != w->attr.st_mode |
|
|
2794 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2795 | || w->prev.st_uid != w->attr.st_uid |
|
|
2796 | || w->prev.st_gid != w->attr.st_gid |
|
|
2797 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2798 | || w->prev.st_size != w->attr.st_size |
|
|
2799 | || w->prev.st_atime != w->attr.st_atime |
|
|
2800 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2801 | || w->prev.st_ctime != w->attr.st_ctime |
1895 | { |
2802 | ) { |
1896 | #if EV_USE_INOTIFY |
2803 | #if EV_USE_INOTIFY |
|
|
2804 | if (fs_fd >= 0) |
|
|
2805 | { |
1897 | infy_del (EV_A_ w); |
2806 | infy_del (EV_A_ w); |
1898 | infy_add (EV_A_ w); |
2807 | infy_add (EV_A_ w); |
1899 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2808 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2809 | } |
1900 | #endif |
2810 | #endif |
1901 | |
2811 | |
1902 | ev_feed_event (EV_A_ w, EV_STAT); |
2812 | ev_feed_event (EV_A_ w, EV_STAT); |
1903 | } |
2813 | } |
1904 | } |
2814 | } |
… | |
… | |
1907 | ev_stat_start (EV_P_ ev_stat *w) |
2817 | ev_stat_start (EV_P_ ev_stat *w) |
1908 | { |
2818 | { |
1909 | if (expect_false (ev_is_active (w))) |
2819 | if (expect_false (ev_is_active (w))) |
1910 | return; |
2820 | return; |
1911 | |
2821 | |
1912 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
1913 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
1914 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
1915 | |
|
|
1916 | ev_stat_stat (EV_A_ w); |
2822 | ev_stat_stat (EV_A_ w); |
1917 | |
2823 | |
|
|
2824 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
1918 | if (w->interval < MIN_STAT_INTERVAL) |
2825 | w->interval = MIN_STAT_INTERVAL; |
1919 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
1920 | |
2826 | |
1921 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2827 | ev_timer_init (&w->timer, stat_timer_cb, 0., w->interval ? w->interval : DEF_STAT_INTERVAL); |
1922 | ev_set_priority (&w->timer, ev_priority (w)); |
2828 | ev_set_priority (&w->timer, ev_priority (w)); |
1923 | |
2829 | |
1924 | #if EV_USE_INOTIFY |
2830 | #if EV_USE_INOTIFY |
1925 | infy_init (EV_A); |
2831 | infy_init (EV_A); |
1926 | |
2832 | |
1927 | if (fs_fd >= 0) |
2833 | if (fs_fd >= 0) |
1928 | infy_add (EV_A_ w); |
2834 | infy_add (EV_A_ w); |
1929 | else |
2835 | else |
1930 | #endif |
2836 | #endif |
1931 | ev_timer_start (EV_A_ &w->timer); |
2837 | ev_timer_again (EV_A_ &w->timer); |
1932 | |
2838 | |
1933 | ev_start (EV_A_ (W)w, 1); |
2839 | ev_start (EV_A_ (W)w, 1); |
|
|
2840 | |
|
|
2841 | EV_FREQUENT_CHECK; |
1934 | } |
2842 | } |
1935 | |
2843 | |
1936 | void |
2844 | void |
1937 | ev_stat_stop (EV_P_ ev_stat *w) |
2845 | ev_stat_stop (EV_P_ ev_stat *w) |
1938 | { |
2846 | { |
1939 | ev_clear_pending (EV_A_ (W)w); |
2847 | clear_pending (EV_A_ (W)w); |
1940 | if (expect_false (!ev_is_active (w))) |
2848 | if (expect_false (!ev_is_active (w))) |
1941 | return; |
2849 | return; |
1942 | |
2850 | |
|
|
2851 | EV_FREQUENT_CHECK; |
|
|
2852 | |
1943 | #if EV_USE_INOTIFY |
2853 | #if EV_USE_INOTIFY |
1944 | infy_del (EV_A_ w); |
2854 | infy_del (EV_A_ w); |
1945 | #endif |
2855 | #endif |
1946 | ev_timer_stop (EV_A_ &w->timer); |
2856 | ev_timer_stop (EV_A_ &w->timer); |
1947 | |
2857 | |
1948 | ev_stop (EV_A_ (W)w); |
2858 | ev_stop (EV_A_ (W)w); |
1949 | } |
|
|
1950 | #endif |
|
|
1951 | |
2859 | |
|
|
2860 | EV_FREQUENT_CHECK; |
|
|
2861 | } |
|
|
2862 | #endif |
|
|
2863 | |
|
|
2864 | #if EV_IDLE_ENABLE |
1952 | void |
2865 | void |
1953 | ev_idle_start (EV_P_ ev_idle *w) |
2866 | ev_idle_start (EV_P_ ev_idle *w) |
1954 | { |
2867 | { |
1955 | if (expect_false (ev_is_active (w))) |
2868 | if (expect_false (ev_is_active (w))) |
1956 | return; |
2869 | return; |
1957 | |
2870 | |
|
|
2871 | pri_adjust (EV_A_ (W)w); |
|
|
2872 | |
|
|
2873 | EV_FREQUENT_CHECK; |
|
|
2874 | |
|
|
2875 | { |
|
|
2876 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2877 | |
|
|
2878 | ++idleall; |
1958 | ev_start (EV_A_ (W)w, ++idlecnt); |
2879 | ev_start (EV_A_ (W)w, active); |
|
|
2880 | |
1959 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2881 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
1960 | idles [idlecnt - 1] = w; |
2882 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2883 | } |
|
|
2884 | |
|
|
2885 | EV_FREQUENT_CHECK; |
1961 | } |
2886 | } |
1962 | |
2887 | |
1963 | void |
2888 | void |
1964 | ev_idle_stop (EV_P_ ev_idle *w) |
2889 | ev_idle_stop (EV_P_ ev_idle *w) |
1965 | { |
2890 | { |
1966 | ev_clear_pending (EV_A_ (W)w); |
2891 | clear_pending (EV_A_ (W)w); |
1967 | if (expect_false (!ev_is_active (w))) |
2892 | if (expect_false (!ev_is_active (w))) |
1968 | return; |
2893 | return; |
1969 | |
2894 | |
|
|
2895 | EV_FREQUENT_CHECK; |
|
|
2896 | |
1970 | { |
2897 | { |
1971 | int active = ((W)w)->active; |
2898 | int active = ev_active (w); |
1972 | idles [active - 1] = idles [--idlecnt]; |
2899 | |
1973 | ((W)idles [active - 1])->active = active; |
2900 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2901 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
|
|
2902 | |
|
|
2903 | ev_stop (EV_A_ (W)w); |
|
|
2904 | --idleall; |
1974 | } |
2905 | } |
1975 | |
2906 | |
1976 | ev_stop (EV_A_ (W)w); |
2907 | EV_FREQUENT_CHECK; |
1977 | } |
2908 | } |
|
|
2909 | #endif |
1978 | |
2910 | |
1979 | void |
2911 | void |
1980 | ev_prepare_start (EV_P_ ev_prepare *w) |
2912 | ev_prepare_start (EV_P_ ev_prepare *w) |
1981 | { |
2913 | { |
1982 | if (expect_false (ev_is_active (w))) |
2914 | if (expect_false (ev_is_active (w))) |
1983 | return; |
2915 | return; |
|
|
2916 | |
|
|
2917 | EV_FREQUENT_CHECK; |
1984 | |
2918 | |
1985 | ev_start (EV_A_ (W)w, ++preparecnt); |
2919 | ev_start (EV_A_ (W)w, ++preparecnt); |
1986 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2920 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1987 | prepares [preparecnt - 1] = w; |
2921 | prepares [preparecnt - 1] = w; |
|
|
2922 | |
|
|
2923 | EV_FREQUENT_CHECK; |
1988 | } |
2924 | } |
1989 | |
2925 | |
1990 | void |
2926 | void |
1991 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2927 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1992 | { |
2928 | { |
1993 | ev_clear_pending (EV_A_ (W)w); |
2929 | clear_pending (EV_A_ (W)w); |
1994 | if (expect_false (!ev_is_active (w))) |
2930 | if (expect_false (!ev_is_active (w))) |
1995 | return; |
2931 | return; |
1996 | |
2932 | |
|
|
2933 | EV_FREQUENT_CHECK; |
|
|
2934 | |
1997 | { |
2935 | { |
1998 | int active = ((W)w)->active; |
2936 | int active = ev_active (w); |
|
|
2937 | |
1999 | prepares [active - 1] = prepares [--preparecnt]; |
2938 | prepares [active - 1] = prepares [--preparecnt]; |
2000 | ((W)prepares [active - 1])->active = active; |
2939 | ev_active (prepares [active - 1]) = active; |
2001 | } |
2940 | } |
2002 | |
2941 | |
2003 | ev_stop (EV_A_ (W)w); |
2942 | ev_stop (EV_A_ (W)w); |
|
|
2943 | |
|
|
2944 | EV_FREQUENT_CHECK; |
2004 | } |
2945 | } |
2005 | |
2946 | |
2006 | void |
2947 | void |
2007 | ev_check_start (EV_P_ ev_check *w) |
2948 | ev_check_start (EV_P_ ev_check *w) |
2008 | { |
2949 | { |
2009 | if (expect_false (ev_is_active (w))) |
2950 | if (expect_false (ev_is_active (w))) |
2010 | return; |
2951 | return; |
|
|
2952 | |
|
|
2953 | EV_FREQUENT_CHECK; |
2011 | |
2954 | |
2012 | ev_start (EV_A_ (W)w, ++checkcnt); |
2955 | ev_start (EV_A_ (W)w, ++checkcnt); |
2013 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2956 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2014 | checks [checkcnt - 1] = w; |
2957 | checks [checkcnt - 1] = w; |
|
|
2958 | |
|
|
2959 | EV_FREQUENT_CHECK; |
2015 | } |
2960 | } |
2016 | |
2961 | |
2017 | void |
2962 | void |
2018 | ev_check_stop (EV_P_ ev_check *w) |
2963 | ev_check_stop (EV_P_ ev_check *w) |
2019 | { |
2964 | { |
2020 | ev_clear_pending (EV_A_ (W)w); |
2965 | clear_pending (EV_A_ (W)w); |
2021 | if (expect_false (!ev_is_active (w))) |
2966 | if (expect_false (!ev_is_active (w))) |
2022 | return; |
2967 | return; |
2023 | |
2968 | |
|
|
2969 | EV_FREQUENT_CHECK; |
|
|
2970 | |
2024 | { |
2971 | { |
2025 | int active = ((W)w)->active; |
2972 | int active = ev_active (w); |
|
|
2973 | |
2026 | checks [active - 1] = checks [--checkcnt]; |
2974 | checks [active - 1] = checks [--checkcnt]; |
2027 | ((W)checks [active - 1])->active = active; |
2975 | ev_active (checks [active - 1]) = active; |
2028 | } |
2976 | } |
2029 | |
2977 | |
2030 | ev_stop (EV_A_ (W)w); |
2978 | ev_stop (EV_A_ (W)w); |
|
|
2979 | |
|
|
2980 | EV_FREQUENT_CHECK; |
2031 | } |
2981 | } |
2032 | |
2982 | |
2033 | #if EV_EMBED_ENABLE |
2983 | #if EV_EMBED_ENABLE |
2034 | void noinline |
2984 | void noinline |
2035 | ev_embed_sweep (EV_P_ ev_embed *w) |
2985 | ev_embed_sweep (EV_P_ ev_embed *w) |
2036 | { |
2986 | { |
2037 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2987 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2038 | } |
2988 | } |
2039 | |
2989 | |
2040 | static void |
2990 | static void |
2041 | embed_cb (EV_P_ ev_io *io, int revents) |
2991 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2042 | { |
2992 | { |
2043 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2993 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2044 | |
2994 | |
2045 | if (ev_cb (w)) |
2995 | if (ev_cb (w)) |
2046 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2996 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2047 | else |
2997 | else |
2048 | ev_embed_sweep (loop, w); |
2998 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2049 | } |
2999 | } |
|
|
3000 | |
|
|
3001 | static void |
|
|
3002 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
3003 | { |
|
|
3004 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
3005 | |
|
|
3006 | { |
|
|
3007 | struct ev_loop *loop = w->other; |
|
|
3008 | |
|
|
3009 | while (fdchangecnt) |
|
|
3010 | { |
|
|
3011 | fd_reify (EV_A); |
|
|
3012 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
3013 | } |
|
|
3014 | } |
|
|
3015 | } |
|
|
3016 | |
|
|
3017 | static void |
|
|
3018 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
3019 | { |
|
|
3020 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
3021 | |
|
|
3022 | ev_embed_stop (EV_A_ w); |
|
|
3023 | |
|
|
3024 | { |
|
|
3025 | struct ev_loop *loop = w->other; |
|
|
3026 | |
|
|
3027 | ev_loop_fork (EV_A); |
|
|
3028 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
3029 | } |
|
|
3030 | |
|
|
3031 | ev_embed_start (EV_A_ w); |
|
|
3032 | } |
|
|
3033 | |
|
|
3034 | #if 0 |
|
|
3035 | static void |
|
|
3036 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
3037 | { |
|
|
3038 | ev_idle_stop (EV_A_ idle); |
|
|
3039 | } |
|
|
3040 | #endif |
2050 | |
3041 | |
2051 | void |
3042 | void |
2052 | ev_embed_start (EV_P_ ev_embed *w) |
3043 | ev_embed_start (EV_P_ ev_embed *w) |
2053 | { |
3044 | { |
2054 | if (expect_false (ev_is_active (w))) |
3045 | if (expect_false (ev_is_active (w))) |
2055 | return; |
3046 | return; |
2056 | |
3047 | |
2057 | { |
3048 | { |
2058 | struct ev_loop *loop = w->loop; |
3049 | struct ev_loop *loop = w->other; |
2059 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
3050 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2060 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
3051 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2061 | } |
3052 | } |
|
|
3053 | |
|
|
3054 | EV_FREQUENT_CHECK; |
2062 | |
3055 | |
2063 | ev_set_priority (&w->io, ev_priority (w)); |
3056 | ev_set_priority (&w->io, ev_priority (w)); |
2064 | ev_io_start (EV_A_ &w->io); |
3057 | ev_io_start (EV_A_ &w->io); |
2065 | |
3058 | |
|
|
3059 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
3060 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
3061 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
3062 | |
|
|
3063 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
3064 | ev_fork_start (EV_A_ &w->fork); |
|
|
3065 | |
|
|
3066 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
3067 | |
2066 | ev_start (EV_A_ (W)w, 1); |
3068 | ev_start (EV_A_ (W)w, 1); |
|
|
3069 | |
|
|
3070 | EV_FREQUENT_CHECK; |
2067 | } |
3071 | } |
2068 | |
3072 | |
2069 | void |
3073 | void |
2070 | ev_embed_stop (EV_P_ ev_embed *w) |
3074 | ev_embed_stop (EV_P_ ev_embed *w) |
2071 | { |
3075 | { |
2072 | ev_clear_pending (EV_A_ (W)w); |
3076 | clear_pending (EV_A_ (W)w); |
2073 | if (expect_false (!ev_is_active (w))) |
3077 | if (expect_false (!ev_is_active (w))) |
2074 | return; |
3078 | return; |
2075 | |
3079 | |
|
|
3080 | EV_FREQUENT_CHECK; |
|
|
3081 | |
2076 | ev_io_stop (EV_A_ &w->io); |
3082 | ev_io_stop (EV_A_ &w->io); |
|
|
3083 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
3084 | ev_fork_stop (EV_A_ &w->fork); |
2077 | |
3085 | |
2078 | ev_stop (EV_A_ (W)w); |
3086 | EV_FREQUENT_CHECK; |
2079 | } |
3087 | } |
2080 | #endif |
3088 | #endif |
2081 | |
3089 | |
2082 | #if EV_FORK_ENABLE |
3090 | #if EV_FORK_ENABLE |
2083 | void |
3091 | void |
2084 | ev_fork_start (EV_P_ ev_fork *w) |
3092 | ev_fork_start (EV_P_ ev_fork *w) |
2085 | { |
3093 | { |
2086 | if (expect_false (ev_is_active (w))) |
3094 | if (expect_false (ev_is_active (w))) |
2087 | return; |
3095 | return; |
|
|
3096 | |
|
|
3097 | EV_FREQUENT_CHECK; |
2088 | |
3098 | |
2089 | ev_start (EV_A_ (W)w, ++forkcnt); |
3099 | ev_start (EV_A_ (W)w, ++forkcnt); |
2090 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
3100 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2091 | forks [forkcnt - 1] = w; |
3101 | forks [forkcnt - 1] = w; |
|
|
3102 | |
|
|
3103 | EV_FREQUENT_CHECK; |
2092 | } |
3104 | } |
2093 | |
3105 | |
2094 | void |
3106 | void |
2095 | ev_fork_stop (EV_P_ ev_fork *w) |
3107 | ev_fork_stop (EV_P_ ev_fork *w) |
2096 | { |
3108 | { |
2097 | ev_clear_pending (EV_A_ (W)w); |
3109 | clear_pending (EV_A_ (W)w); |
2098 | if (expect_false (!ev_is_active (w))) |
3110 | if (expect_false (!ev_is_active (w))) |
2099 | return; |
3111 | return; |
2100 | |
3112 | |
|
|
3113 | EV_FREQUENT_CHECK; |
|
|
3114 | |
2101 | { |
3115 | { |
2102 | int active = ((W)w)->active; |
3116 | int active = ev_active (w); |
|
|
3117 | |
2103 | forks [active - 1] = forks [--forkcnt]; |
3118 | forks [active - 1] = forks [--forkcnt]; |
2104 | ((W)forks [active - 1])->active = active; |
3119 | ev_active (forks [active - 1]) = active; |
2105 | } |
3120 | } |
2106 | |
3121 | |
2107 | ev_stop (EV_A_ (W)w); |
3122 | ev_stop (EV_A_ (W)w); |
|
|
3123 | |
|
|
3124 | EV_FREQUENT_CHECK; |
|
|
3125 | } |
|
|
3126 | #endif |
|
|
3127 | |
|
|
3128 | #if EV_ASYNC_ENABLE |
|
|
3129 | void |
|
|
3130 | ev_async_start (EV_P_ ev_async *w) |
|
|
3131 | { |
|
|
3132 | if (expect_false (ev_is_active (w))) |
|
|
3133 | return; |
|
|
3134 | |
|
|
3135 | evpipe_init (EV_A); |
|
|
3136 | |
|
|
3137 | EV_FREQUENT_CHECK; |
|
|
3138 | |
|
|
3139 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
3140 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
3141 | asyncs [asynccnt - 1] = w; |
|
|
3142 | |
|
|
3143 | EV_FREQUENT_CHECK; |
|
|
3144 | } |
|
|
3145 | |
|
|
3146 | void |
|
|
3147 | ev_async_stop (EV_P_ ev_async *w) |
|
|
3148 | { |
|
|
3149 | clear_pending (EV_A_ (W)w); |
|
|
3150 | if (expect_false (!ev_is_active (w))) |
|
|
3151 | return; |
|
|
3152 | |
|
|
3153 | EV_FREQUENT_CHECK; |
|
|
3154 | |
|
|
3155 | { |
|
|
3156 | int active = ev_active (w); |
|
|
3157 | |
|
|
3158 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
3159 | ev_active (asyncs [active - 1]) = active; |
|
|
3160 | } |
|
|
3161 | |
|
|
3162 | ev_stop (EV_A_ (W)w); |
|
|
3163 | |
|
|
3164 | EV_FREQUENT_CHECK; |
|
|
3165 | } |
|
|
3166 | |
|
|
3167 | void |
|
|
3168 | ev_async_send (EV_P_ ev_async *w) |
|
|
3169 | { |
|
|
3170 | w->sent = 1; |
|
|
3171 | evpipe_write (EV_A_ &gotasync); |
2108 | } |
3172 | } |
2109 | #endif |
3173 | #endif |
2110 | |
3174 | |
2111 | /*****************************************************************************/ |
3175 | /*****************************************************************************/ |
2112 | |
3176 | |
… | |
… | |
2122 | once_cb (EV_P_ struct ev_once *once, int revents) |
3186 | once_cb (EV_P_ struct ev_once *once, int revents) |
2123 | { |
3187 | { |
2124 | void (*cb)(int revents, void *arg) = once->cb; |
3188 | void (*cb)(int revents, void *arg) = once->cb; |
2125 | void *arg = once->arg; |
3189 | void *arg = once->arg; |
2126 | |
3190 | |
2127 | ev_io_stop (EV_A_ &once->io); |
3191 | ev_io_stop (EV_A_ &once->io); |
2128 | ev_timer_stop (EV_A_ &once->to); |
3192 | ev_timer_stop (EV_A_ &once->to); |
2129 | ev_free (once); |
3193 | ev_free (once); |
2130 | |
3194 | |
2131 | cb (revents, arg); |
3195 | cb (revents, arg); |
2132 | } |
3196 | } |
2133 | |
3197 | |
2134 | static void |
3198 | static void |
2135 | once_cb_io (EV_P_ ev_io *w, int revents) |
3199 | once_cb_io (EV_P_ ev_io *w, int revents) |
2136 | { |
3200 | { |
2137 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3201 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3202 | |
|
|
3203 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2138 | } |
3204 | } |
2139 | |
3205 | |
2140 | static void |
3206 | static void |
2141 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3207 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2142 | { |
3208 | { |
2143 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3209 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3210 | |
|
|
3211 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2144 | } |
3212 | } |
2145 | |
3213 | |
2146 | void |
3214 | void |
2147 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3215 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2148 | { |
3216 | { |
… | |
… | |
2170 | ev_timer_set (&once->to, timeout, 0.); |
3238 | ev_timer_set (&once->to, timeout, 0.); |
2171 | ev_timer_start (EV_A_ &once->to); |
3239 | ev_timer_start (EV_A_ &once->to); |
2172 | } |
3240 | } |
2173 | } |
3241 | } |
2174 | |
3242 | |
|
|
3243 | /*****************************************************************************/ |
|
|
3244 | |
|
|
3245 | #if EV_WALK_ENABLE |
|
|
3246 | void |
|
|
3247 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
|
|
3248 | { |
|
|
3249 | int i, j; |
|
|
3250 | ev_watcher_list *wl, *wn; |
|
|
3251 | |
|
|
3252 | if (types & (EV_IO | EV_EMBED)) |
|
|
3253 | for (i = 0; i < anfdmax; ++i) |
|
|
3254 | for (wl = anfds [i].head; wl; ) |
|
|
3255 | { |
|
|
3256 | wn = wl->next; |
|
|
3257 | |
|
|
3258 | #if EV_EMBED_ENABLE |
|
|
3259 | if (ev_cb ((ev_io *)wl) == embed_io_cb) |
|
|
3260 | { |
|
|
3261 | if (types & EV_EMBED) |
|
|
3262 | cb (EV_A_ EV_EMBED, ((char *)wl) - offsetof (struct ev_embed, io)); |
|
|
3263 | } |
|
|
3264 | else |
|
|
3265 | #endif |
|
|
3266 | #if EV_USE_INOTIFY |
|
|
3267 | if (ev_cb ((ev_io *)wl) == infy_cb) |
|
|
3268 | ; |
|
|
3269 | else |
|
|
3270 | #endif |
|
|
3271 | if ((ev_io *)wl != &pipe_w) |
|
|
3272 | if (types & EV_IO) |
|
|
3273 | cb (EV_A_ EV_IO, wl); |
|
|
3274 | |
|
|
3275 | wl = wn; |
|
|
3276 | } |
|
|
3277 | |
|
|
3278 | if (types & (EV_TIMER | EV_STAT)) |
|
|
3279 | for (i = timercnt + HEAP0; i-- > HEAP0; ) |
|
|
3280 | #if EV_STAT_ENABLE |
|
|
3281 | /*TODO: timer is not always active*/ |
|
|
3282 | if (ev_cb ((ev_timer *)ANHE_w (timers [i])) == stat_timer_cb) |
|
|
3283 | { |
|
|
3284 | if (types & EV_STAT) |
|
|
3285 | cb (EV_A_ EV_STAT, ((char *)ANHE_w (timers [i])) - offsetof (struct ev_stat, timer)); |
|
|
3286 | } |
|
|
3287 | else |
|
|
3288 | #endif |
|
|
3289 | if (types & EV_TIMER) |
|
|
3290 | cb (EV_A_ EV_TIMER, ANHE_w (timers [i])); |
|
|
3291 | |
|
|
3292 | #if EV_PERIODIC_ENABLE |
|
|
3293 | if (types & EV_PERIODIC) |
|
|
3294 | for (i = periodiccnt + HEAP0; i-- > HEAP0; ) |
|
|
3295 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
|
|
3296 | #endif |
|
|
3297 | |
|
|
3298 | #if EV_IDLE_ENABLE |
|
|
3299 | if (types & EV_IDLE) |
|
|
3300 | for (j = NUMPRI; i--; ) |
|
|
3301 | for (i = idlecnt [j]; i--; ) |
|
|
3302 | cb (EV_A_ EV_IDLE, idles [j][i]); |
|
|
3303 | #endif |
|
|
3304 | |
|
|
3305 | #if EV_FORK_ENABLE |
|
|
3306 | if (types & EV_FORK) |
|
|
3307 | for (i = forkcnt; i--; ) |
|
|
3308 | if (ev_cb (forks [i]) != embed_fork_cb) |
|
|
3309 | cb (EV_A_ EV_FORK, forks [i]); |
|
|
3310 | #endif |
|
|
3311 | |
|
|
3312 | #if EV_ASYNC_ENABLE |
|
|
3313 | if (types & EV_ASYNC) |
|
|
3314 | for (i = asynccnt; i--; ) |
|
|
3315 | cb (EV_A_ EV_ASYNC, asyncs [i]); |
|
|
3316 | #endif |
|
|
3317 | |
|
|
3318 | if (types & EV_PREPARE) |
|
|
3319 | for (i = preparecnt; i--; ) |
|
|
3320 | #if EV_EMBED_ENABLE |
|
|
3321 | if (ev_cb (prepares [i]) != embed_prepare_cb) |
|
|
3322 | #endif |
|
|
3323 | cb (EV_A_ EV_PREPARE, prepares [i]); |
|
|
3324 | |
|
|
3325 | if (types & EV_CHECK) |
|
|
3326 | for (i = checkcnt; i--; ) |
|
|
3327 | cb (EV_A_ EV_CHECK, checks [i]); |
|
|
3328 | |
|
|
3329 | if (types & EV_SIGNAL) |
|
|
3330 | for (i = 0; i < signalmax; ++i) |
|
|
3331 | for (wl = signals [i].head; wl; ) |
|
|
3332 | { |
|
|
3333 | wn = wl->next; |
|
|
3334 | cb (EV_A_ EV_SIGNAL, wl); |
|
|
3335 | wl = wn; |
|
|
3336 | } |
|
|
3337 | |
|
|
3338 | if (types & EV_CHILD) |
|
|
3339 | for (i = EV_PID_HASHSIZE; i--; ) |
|
|
3340 | for (wl = childs [i]; wl; ) |
|
|
3341 | { |
|
|
3342 | wn = wl->next; |
|
|
3343 | cb (EV_A_ EV_CHILD, wl); |
|
|
3344 | wl = wn; |
|
|
3345 | } |
|
|
3346 | /* EV_STAT 0x00001000 /* stat data changed */ |
|
|
3347 | /* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
|
|
3348 | } |
|
|
3349 | #endif |
|
|
3350 | |
|
|
3351 | #if EV_MULTIPLICITY |
|
|
3352 | #include "ev_wrap.h" |
|
|
3353 | #endif |
|
|
3354 | |
2175 | #ifdef __cplusplus |
3355 | #ifdef __cplusplus |
2176 | } |
3356 | } |
2177 | #endif |
3357 | #endif |
2178 | |
3358 | |