1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * met: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
10 | * |
27 | * |
11 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
12 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
13 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
14 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
15 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
16 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
17 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
18 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 | */ |
38 | */ |
31 | |
39 | |
32 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
33 | extern "C" { |
41 | extern "C" { |
34 | #endif |
42 | #endif |
35 | |
43 | |
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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" |
… | |
… | |
51 | # ifndef EV_USE_MONOTONIC |
60 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
61 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
62 | # endif |
54 | # ifndef EV_USE_REALTIME |
63 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
64 | # define EV_USE_REALTIME 0 |
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65 | # endif |
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66 | # endif |
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67 | |
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68 | # ifndef EV_USE_NANOSLEEP |
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69 | # if HAVE_NANOSLEEP |
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70 | # define EV_USE_NANOSLEEP 1 |
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71 | # else |
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72 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
73 | # endif |
57 | # endif |
74 | # endif |
58 | |
75 | |
59 | # ifndef EV_USE_SELECT |
76 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
77 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
102 | # else |
119 | # else |
103 | # define EV_USE_INOTIFY 0 |
120 | # define EV_USE_INOTIFY 0 |
104 | # endif |
121 | # endif |
105 | # endif |
122 | # endif |
106 | |
123 | |
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124 | # ifndef EV_USE_EVENTFD |
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125 | # if HAVE_EVENTFD |
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126 | # define EV_USE_EVENTFD 1 |
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127 | # else |
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128 | # define EV_USE_EVENTFD 0 |
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129 | # endif |
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130 | # endif |
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131 | |
107 | #endif |
132 | #endif |
108 | |
133 | |
109 | #include <math.h> |
134 | #include <math.h> |
110 | #include <stdlib.h> |
135 | #include <stdlib.h> |
111 | #include <fcntl.h> |
136 | #include <fcntl.h> |
… | |
… | |
129 | #ifndef _WIN32 |
154 | #ifndef _WIN32 |
130 | # include <sys/time.h> |
155 | # include <sys/time.h> |
131 | # include <sys/wait.h> |
156 | # include <sys/wait.h> |
132 | # include <unistd.h> |
157 | # include <unistd.h> |
133 | #else |
158 | #else |
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159 | # include <io.h> |
134 | # define WIN32_LEAN_AND_MEAN |
160 | # define WIN32_LEAN_AND_MEAN |
135 | # include <windows.h> |
161 | # include <windows.h> |
136 | # ifndef EV_SELECT_IS_WINSOCKET |
162 | # ifndef EV_SELECT_IS_WINSOCKET |
137 | # define EV_SELECT_IS_WINSOCKET 1 |
163 | # define EV_SELECT_IS_WINSOCKET 1 |
138 | # endif |
164 | # endif |
139 | #endif |
165 | #endif |
140 | |
166 | |
141 | /**/ |
167 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
142 | |
168 | |
143 | #ifndef EV_USE_MONOTONIC |
169 | #ifndef EV_USE_MONOTONIC |
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170 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
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171 | # define EV_USE_MONOTONIC 1 |
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172 | # else |
144 | # define EV_USE_MONOTONIC 0 |
173 | # define EV_USE_MONOTONIC 0 |
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174 | # endif |
145 | #endif |
175 | #endif |
146 | |
176 | |
147 | #ifndef EV_USE_REALTIME |
177 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
178 | # define EV_USE_REALTIME 0 |
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179 | #endif |
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180 | |
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181 | #ifndef EV_USE_NANOSLEEP |
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182 | # if _POSIX_C_SOURCE >= 199309L |
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183 | # define EV_USE_NANOSLEEP 1 |
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184 | # else |
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185 | # define EV_USE_NANOSLEEP 0 |
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186 | # endif |
149 | #endif |
187 | #endif |
150 | |
188 | |
151 | #ifndef EV_USE_SELECT |
189 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
190 | # define EV_USE_SELECT 1 |
153 | #endif |
191 | #endif |
… | |
… | |
159 | # define EV_USE_POLL 1 |
197 | # define EV_USE_POLL 1 |
160 | # endif |
198 | # endif |
161 | #endif |
199 | #endif |
162 | |
200 | |
163 | #ifndef EV_USE_EPOLL |
201 | #ifndef EV_USE_EPOLL |
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202 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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203 | # define EV_USE_EPOLL 1 |
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204 | # else |
164 | # define EV_USE_EPOLL 0 |
205 | # define EV_USE_EPOLL 0 |
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206 | # endif |
165 | #endif |
207 | #endif |
166 | |
208 | |
167 | #ifndef EV_USE_KQUEUE |
209 | #ifndef EV_USE_KQUEUE |
168 | # define EV_USE_KQUEUE 0 |
210 | # define EV_USE_KQUEUE 0 |
169 | #endif |
211 | #endif |
… | |
… | |
171 | #ifndef EV_USE_PORT |
213 | #ifndef EV_USE_PORT |
172 | # define EV_USE_PORT 0 |
214 | # define EV_USE_PORT 0 |
173 | #endif |
215 | #endif |
174 | |
216 | |
175 | #ifndef EV_USE_INOTIFY |
217 | #ifndef EV_USE_INOTIFY |
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218 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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219 | # define EV_USE_INOTIFY 1 |
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220 | # else |
176 | # define EV_USE_INOTIFY 0 |
221 | # define EV_USE_INOTIFY 0 |
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222 | # endif |
177 | #endif |
223 | #endif |
178 | |
224 | |
179 | #ifndef EV_PID_HASHSIZE |
225 | #ifndef EV_PID_HASHSIZE |
180 | # if EV_MINIMAL |
226 | # if EV_MINIMAL |
181 | # define EV_PID_HASHSIZE 1 |
227 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
190 | # else |
236 | # else |
191 | # define EV_INOTIFY_HASHSIZE 16 |
237 | # define EV_INOTIFY_HASHSIZE 16 |
192 | # endif |
238 | # endif |
193 | #endif |
239 | #endif |
194 | |
240 | |
195 | /**/ |
241 | #ifndef EV_USE_EVENTFD |
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242 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
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243 | # define EV_USE_EVENTFD 1 |
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244 | # else |
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245 | # define EV_USE_EVENTFD 0 |
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246 | # endif |
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247 | #endif |
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248 | |
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249 | #if 0 /* debugging */ |
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250 | # define EV_VERIFY 3 |
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251 | # define EV_USE_4HEAP 1 |
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252 | # define EV_HEAP_CACHE_AT 1 |
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253 | #endif |
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254 | |
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255 | #ifndef EV_VERIFY |
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256 | # define EV_VERIFY !EV_MINIMAL |
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257 | #endif |
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258 | |
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259 | #ifndef EV_USE_4HEAP |
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260 | # define EV_USE_4HEAP !EV_MINIMAL |
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261 | #endif |
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262 | |
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263 | #ifndef EV_HEAP_CACHE_AT |
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264 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
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265 | #endif |
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266 | |
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267 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
196 | |
268 | |
197 | #ifndef CLOCK_MONOTONIC |
269 | #ifndef CLOCK_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
270 | # undef EV_USE_MONOTONIC |
199 | # define EV_USE_MONOTONIC 0 |
271 | # define EV_USE_MONOTONIC 0 |
200 | #endif |
272 | #endif |
… | |
… | |
207 | #if !EV_STAT_ENABLE |
279 | #if !EV_STAT_ENABLE |
208 | # undef EV_USE_INOTIFY |
280 | # undef EV_USE_INOTIFY |
209 | # define EV_USE_INOTIFY 0 |
281 | # define EV_USE_INOTIFY 0 |
210 | #endif |
282 | #endif |
211 | |
283 | |
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284 | #if !EV_USE_NANOSLEEP |
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285 | # ifndef _WIN32 |
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286 | # include <sys/select.h> |
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287 | # endif |
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288 | #endif |
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289 | |
212 | #if EV_USE_INOTIFY |
290 | #if EV_USE_INOTIFY |
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291 | # include <sys/utsname.h> |
213 | # include <sys/inotify.h> |
292 | # include <sys/inotify.h> |
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293 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
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294 | # ifndef IN_DONT_FOLLOW |
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295 | # undef EV_USE_INOTIFY |
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296 | # define EV_USE_INOTIFY 0 |
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297 | # endif |
214 | #endif |
298 | #endif |
215 | |
299 | |
216 | #if EV_SELECT_IS_WINSOCKET |
300 | #if EV_SELECT_IS_WINSOCKET |
217 | # include <winsock.h> |
301 | # include <winsock.h> |
218 | #endif |
302 | #endif |
219 | |
303 | |
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304 | #if EV_USE_EVENTFD |
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305 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
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306 | # include <stdint.h> |
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307 | # ifdef __cplusplus |
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308 | extern "C" { |
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309 | # endif |
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310 | int eventfd (unsigned int initval, int flags); |
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311 | # ifdef __cplusplus |
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312 | } |
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313 | # endif |
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314 | #endif |
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315 | |
220 | /**/ |
316 | /**/ |
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317 | |
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318 | #if EV_VERIFY >= 3 |
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319 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
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320 | #else |
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321 | # define EV_FREQUENT_CHECK do { } while (0) |
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322 | #endif |
221 | |
323 | |
222 | /* |
324 | /* |
223 | * This is used to avoid floating point rounding problems. |
325 | * This is used to avoid floating point rounding problems. |
224 | * It is added to ev_rt_now when scheduling periodics |
326 | * It is added to ev_rt_now when scheduling periodics |
225 | * to ensure progress, time-wise, even when rounding |
327 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
237 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
339 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
238 | # define noinline __attribute__ ((noinline)) |
340 | # define noinline __attribute__ ((noinline)) |
239 | #else |
341 | #else |
240 | # define expect(expr,value) (expr) |
342 | # define expect(expr,value) (expr) |
241 | # define noinline |
343 | # define noinline |
242 | # if __STDC_VERSION__ < 199901L |
344 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
243 | # define inline |
345 | # define inline |
244 | # endif |
346 | # endif |
245 | #endif |
347 | #endif |
246 | |
348 | |
247 | #define expect_false(expr) expect ((expr) != 0, 0) |
349 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
262 | |
364 | |
263 | typedef ev_watcher *W; |
365 | typedef ev_watcher *W; |
264 | typedef ev_watcher_list *WL; |
366 | typedef ev_watcher_list *WL; |
265 | typedef ev_watcher_time *WT; |
367 | typedef ev_watcher_time *WT; |
266 | |
368 | |
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369 | #define ev_active(w) ((W)(w))->active |
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370 | #define ev_at(w) ((WT)(w))->at |
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371 | |
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372 | #if EV_USE_MONOTONIC |
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373 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
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374 | /* giving it a reasonably high chance of working on typical architetcures */ |
267 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
375 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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376 | #endif |
268 | |
377 | |
269 | #ifdef _WIN32 |
378 | #ifdef _WIN32 |
270 | # include "ev_win32.c" |
379 | # include "ev_win32.c" |
271 | #endif |
380 | #endif |
272 | |
381 | |
… | |
… | |
293 | perror (msg); |
402 | perror (msg); |
294 | abort (); |
403 | abort (); |
295 | } |
404 | } |
296 | } |
405 | } |
297 | |
406 | |
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407 | static void * |
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408 | ev_realloc_emul (void *ptr, long size) |
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409 | { |
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410 | /* some systems, notably openbsd and darwin, fail to properly |
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411 | * implement realloc (x, 0) (as required by both ansi c-98 and |
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412 | * the single unix specification, so work around them here. |
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413 | */ |
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414 | |
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415 | if (size) |
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416 | return realloc (ptr, size); |
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417 | |
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418 | free (ptr); |
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419 | return 0; |
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420 | } |
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421 | |
298 | static void *(*alloc)(void *ptr, long size); |
422 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
299 | |
423 | |
300 | void |
424 | void |
301 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
425 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
302 | { |
426 | { |
303 | alloc = cb; |
427 | alloc = cb; |
304 | } |
428 | } |
305 | |
429 | |
306 | inline_speed void * |
430 | inline_speed void * |
307 | ev_realloc (void *ptr, long size) |
431 | ev_realloc (void *ptr, long size) |
308 | { |
432 | { |
309 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
433 | ptr = alloc (ptr, size); |
310 | |
434 | |
311 | if (!ptr && size) |
435 | if (!ptr && size) |
312 | { |
436 | { |
313 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
437 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
314 | abort (); |
438 | abort (); |
… | |
… | |
325 | typedef struct |
449 | typedef struct |
326 | { |
450 | { |
327 | WL head; |
451 | WL head; |
328 | unsigned char events; |
452 | unsigned char events; |
329 | unsigned char reify; |
453 | unsigned char reify; |
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454 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
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455 | unsigned char egen; /* generation counter to counter epoll bugs */ |
330 | #if EV_SELECT_IS_WINSOCKET |
456 | #if EV_SELECT_IS_WINSOCKET |
331 | SOCKET handle; |
457 | SOCKET handle; |
332 | #endif |
458 | #endif |
333 | } ANFD; |
459 | } ANFD; |
334 | |
460 | |
… | |
… | |
337 | W w; |
463 | W w; |
338 | int events; |
464 | int events; |
339 | } ANPENDING; |
465 | } ANPENDING; |
340 | |
466 | |
341 | #if EV_USE_INOTIFY |
467 | #if EV_USE_INOTIFY |
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468 | /* hash table entry per inotify-id */ |
342 | typedef struct |
469 | typedef struct |
343 | { |
470 | { |
344 | WL head; |
471 | WL head; |
345 | } ANFS; |
472 | } ANFS; |
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473 | #endif |
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474 | |
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475 | /* Heap Entry */ |
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476 | #if EV_HEAP_CACHE_AT |
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477 | typedef struct { |
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478 | ev_tstamp at; |
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479 | WT w; |
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480 | } ANHE; |
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481 | |
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482 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
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483 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
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484 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
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485 | #else |
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486 | typedef WT ANHE; |
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487 | |
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488 | #define ANHE_w(he) (he) |
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489 | #define ANHE_at(he) (he)->at |
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490 | #define ANHE_at_cache(he) |
346 | #endif |
491 | #endif |
347 | |
492 | |
348 | #if EV_MULTIPLICITY |
493 | #if EV_MULTIPLICITY |
349 | |
494 | |
350 | struct ev_loop |
495 | struct ev_loop |
… | |
… | |
408 | { |
553 | { |
409 | return ev_rt_now; |
554 | return ev_rt_now; |
410 | } |
555 | } |
411 | #endif |
556 | #endif |
412 | |
557 | |
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558 | void |
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559 | ev_sleep (ev_tstamp delay) |
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560 | { |
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561 | if (delay > 0.) |
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562 | { |
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563 | #if EV_USE_NANOSLEEP |
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564 | struct timespec ts; |
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565 | |
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566 | ts.tv_sec = (time_t)delay; |
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567 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
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568 | |
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569 | nanosleep (&ts, 0); |
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570 | #elif defined(_WIN32) |
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571 | Sleep ((unsigned long)(delay * 1e3)); |
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572 | #else |
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573 | struct timeval tv; |
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574 | |
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575 | tv.tv_sec = (time_t)delay; |
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576 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
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577 | |
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578 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
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579 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
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580 | /* by older ones */ |
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581 | select (0, 0, 0, 0, &tv); |
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582 | #endif |
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583 | } |
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584 | } |
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585 | |
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|
586 | /*****************************************************************************/ |
|
|
587 | |
|
|
588 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
|
|
589 | |
413 | int inline_size |
590 | int inline_size |
414 | array_nextsize (int elem, int cur, int cnt) |
591 | array_nextsize (int elem, int cur, int cnt) |
415 | { |
592 | { |
416 | int ncur = cur + 1; |
593 | int ncur = cur + 1; |
417 | |
594 | |
418 | do |
595 | do |
419 | ncur <<= 1; |
596 | ncur <<= 1; |
420 | while (cnt > ncur); |
597 | while (cnt > ncur); |
421 | |
598 | |
422 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
599 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
423 | if (elem * ncur > 4096) |
600 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
424 | { |
601 | { |
425 | ncur *= elem; |
602 | ncur *= elem; |
426 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
603 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
427 | ncur = ncur - sizeof (void *) * 4; |
604 | ncur = ncur - sizeof (void *) * 4; |
428 | ncur /= elem; |
605 | ncur /= elem; |
429 | } |
606 | } |
430 | |
607 | |
431 | return ncur; |
608 | return ncur; |
… | |
… | |
435 | array_realloc (int elem, void *base, int *cur, int cnt) |
612 | array_realloc (int elem, void *base, int *cur, int cnt) |
436 | { |
613 | { |
437 | *cur = array_nextsize (elem, *cur, cnt); |
614 | *cur = array_nextsize (elem, *cur, cnt); |
438 | return ev_realloc (base, elem * *cur); |
615 | return ev_realloc (base, elem * *cur); |
439 | } |
616 | } |
|
|
617 | |
|
|
618 | #define array_init_zero(base,count) \ |
|
|
619 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
440 | |
620 | |
441 | #define array_needsize(type,base,cur,cnt,init) \ |
621 | #define array_needsize(type,base,cur,cnt,init) \ |
442 | if (expect_false ((cnt) > (cur))) \ |
622 | if (expect_false ((cnt) > (cur))) \ |
443 | { \ |
623 | { \ |
444 | int ocur_ = (cur); \ |
624 | int ocur_ = (cur); \ |
… | |
… | |
488 | ev_feed_event (EV_A_ events [i], type); |
668 | ev_feed_event (EV_A_ events [i], type); |
489 | } |
669 | } |
490 | |
670 | |
491 | /*****************************************************************************/ |
671 | /*****************************************************************************/ |
492 | |
672 | |
493 | void inline_size |
|
|
494 | anfds_init (ANFD *base, int count) |
|
|
495 | { |
|
|
496 | while (count--) |
|
|
497 | { |
|
|
498 | base->head = 0; |
|
|
499 | base->events = EV_NONE; |
|
|
500 | base->reify = 0; |
|
|
501 | |
|
|
502 | ++base; |
|
|
503 | } |
|
|
504 | } |
|
|
505 | |
|
|
506 | void inline_speed |
673 | void inline_speed |
507 | fd_event (EV_P_ int fd, int revents) |
674 | fd_event (EV_P_ int fd, int revents) |
508 | { |
675 | { |
509 | ANFD *anfd = anfds + fd; |
676 | ANFD *anfd = anfds + fd; |
510 | ev_io *w; |
677 | ev_io *w; |
… | |
… | |
542 | events |= (unsigned char)w->events; |
709 | events |= (unsigned char)w->events; |
543 | |
710 | |
544 | #if EV_SELECT_IS_WINSOCKET |
711 | #if EV_SELECT_IS_WINSOCKET |
545 | if (events) |
712 | if (events) |
546 | { |
713 | { |
547 | unsigned long argp; |
714 | unsigned long arg; |
|
|
715 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
716 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
717 | #else |
548 | anfd->handle = _get_osfhandle (fd); |
718 | anfd->handle = _get_osfhandle (fd); |
|
|
719 | #endif |
549 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
720 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
550 | } |
721 | } |
551 | #endif |
722 | #endif |
552 | |
723 | |
553 | { |
724 | { |
554 | unsigned char o_events = anfd->events; |
725 | unsigned char o_events = anfd->events; |
… | |
… | |
607 | { |
778 | { |
608 | int fd; |
779 | int fd; |
609 | |
780 | |
610 | for (fd = 0; fd < anfdmax; ++fd) |
781 | for (fd = 0; fd < anfdmax; ++fd) |
611 | if (anfds [fd].events) |
782 | if (anfds [fd].events) |
612 | if (!fd_valid (fd) == -1 && errno == EBADF) |
783 | if (!fd_valid (fd) && errno == EBADF) |
613 | fd_kill (EV_A_ fd); |
784 | fd_kill (EV_A_ fd); |
614 | } |
785 | } |
615 | |
786 | |
616 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
787 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
617 | static void noinline |
788 | static void noinline |
… | |
… | |
635 | |
806 | |
636 | for (fd = 0; fd < anfdmax; ++fd) |
807 | for (fd = 0; fd < anfdmax; ++fd) |
637 | if (anfds [fd].events) |
808 | if (anfds [fd].events) |
638 | { |
809 | { |
639 | anfds [fd].events = 0; |
810 | anfds [fd].events = 0; |
|
|
811 | anfds [fd].emask = 0; |
640 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
812 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
641 | } |
813 | } |
642 | } |
814 | } |
643 | |
815 | |
644 | /*****************************************************************************/ |
816 | /*****************************************************************************/ |
645 | |
817 | |
|
|
818 | /* |
|
|
819 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
820 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
821 | * the branching factor of the d-tree. |
|
|
822 | */ |
|
|
823 | |
|
|
824 | /* |
|
|
825 | * at the moment we allow libev the luxury of two heaps, |
|
|
826 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
827 | * which is more cache-efficient. |
|
|
828 | * the difference is about 5% with 50000+ watchers. |
|
|
829 | */ |
|
|
830 | #if EV_USE_4HEAP |
|
|
831 | |
|
|
832 | #define DHEAP 4 |
|
|
833 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
834 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
835 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
836 | |
|
|
837 | /* away from the root */ |
646 | void inline_speed |
838 | void inline_speed |
647 | upheap (WT *heap, int k) |
839 | downheap (ANHE *heap, int N, int k) |
648 | { |
840 | { |
649 | WT w = heap [k]; |
841 | ANHE he = heap [k]; |
|
|
842 | ANHE *E = heap + N + HEAP0; |
650 | |
843 | |
651 | while (k) |
844 | for (;;) |
652 | { |
845 | { |
653 | int p = (k - 1) >> 1; |
846 | ev_tstamp minat; |
|
|
847 | ANHE *minpos; |
|
|
848 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
654 | |
849 | |
655 | if (heap [p]->at <= w->at) |
850 | /* find minimum child */ |
|
|
851 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
852 | { |
|
|
853 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
854 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
855 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
856 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
857 | } |
|
|
858 | else if (pos < E) |
|
|
859 | { |
|
|
860 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
861 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
862 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
863 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
864 | } |
|
|
865 | else |
656 | break; |
866 | break; |
657 | |
867 | |
|
|
868 | if (ANHE_at (he) <= minat) |
|
|
869 | break; |
|
|
870 | |
|
|
871 | heap [k] = *minpos; |
|
|
872 | ev_active (ANHE_w (*minpos)) = k; |
|
|
873 | |
|
|
874 | k = minpos - heap; |
|
|
875 | } |
|
|
876 | |
|
|
877 | heap [k] = he; |
|
|
878 | ev_active (ANHE_w (he)) = k; |
|
|
879 | } |
|
|
880 | |
|
|
881 | #else /* 4HEAP */ |
|
|
882 | |
|
|
883 | #define HEAP0 1 |
|
|
884 | #define HPARENT(k) ((k) >> 1) |
|
|
885 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
886 | |
|
|
887 | /* away from the root */ |
|
|
888 | void inline_speed |
|
|
889 | downheap (ANHE *heap, int N, int k) |
|
|
890 | { |
|
|
891 | ANHE he = heap [k]; |
|
|
892 | |
|
|
893 | for (;;) |
|
|
894 | { |
|
|
895 | int c = k << 1; |
|
|
896 | |
|
|
897 | if (c > N + HEAP0 - 1) |
|
|
898 | break; |
|
|
899 | |
|
|
900 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
901 | ? 1 : 0; |
|
|
902 | |
|
|
903 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
904 | break; |
|
|
905 | |
|
|
906 | heap [k] = heap [c]; |
|
|
907 | ev_active (ANHE_w (heap [k])) = k; |
|
|
908 | |
|
|
909 | k = c; |
|
|
910 | } |
|
|
911 | |
|
|
912 | heap [k] = he; |
|
|
913 | ev_active (ANHE_w (he)) = k; |
|
|
914 | } |
|
|
915 | #endif |
|
|
916 | |
|
|
917 | /* towards the root */ |
|
|
918 | void inline_speed |
|
|
919 | upheap (ANHE *heap, int k) |
|
|
920 | { |
|
|
921 | ANHE he = heap [k]; |
|
|
922 | |
|
|
923 | for (;;) |
|
|
924 | { |
|
|
925 | int p = HPARENT (k); |
|
|
926 | |
|
|
927 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
928 | break; |
|
|
929 | |
658 | heap [k] = heap [p]; |
930 | heap [k] = heap [p]; |
659 | ((W)heap [k])->active = k + 1; |
931 | ev_active (ANHE_w (heap [k])) = k; |
660 | k = p; |
932 | k = p; |
661 | } |
933 | } |
662 | |
934 | |
663 | heap [k] = w; |
935 | heap [k] = he; |
664 | ((W)heap [k])->active = k + 1; |
936 | ev_active (ANHE_w (he)) = k; |
665 | } |
|
|
666 | |
|
|
667 | void inline_speed |
|
|
668 | downheap (WT *heap, int N, int k) |
|
|
669 | { |
|
|
670 | WT w = heap [k]; |
|
|
671 | |
|
|
672 | for (;;) |
|
|
673 | { |
|
|
674 | int c = (k << 1) + 1; |
|
|
675 | |
|
|
676 | if (c >= N) |
|
|
677 | break; |
|
|
678 | |
|
|
679 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
680 | ? 1 : 0; |
|
|
681 | |
|
|
682 | if (w->at <= heap [c]->at) |
|
|
683 | break; |
|
|
684 | |
|
|
685 | heap [k] = heap [c]; |
|
|
686 | ((W)heap [k])->active = k + 1; |
|
|
687 | |
|
|
688 | k = c; |
|
|
689 | } |
|
|
690 | |
|
|
691 | heap [k] = w; |
|
|
692 | ((W)heap [k])->active = k + 1; |
|
|
693 | } |
937 | } |
694 | |
938 | |
695 | void inline_size |
939 | void inline_size |
696 | adjustheap (WT *heap, int N, int k) |
940 | adjustheap (ANHE *heap, int N, int k) |
697 | { |
941 | { |
|
|
942 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
698 | upheap (heap, k); |
943 | upheap (heap, k); |
|
|
944 | else |
699 | downheap (heap, N, k); |
945 | downheap (heap, N, k); |
|
|
946 | } |
|
|
947 | |
|
|
948 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
949 | void inline_size |
|
|
950 | reheap (ANHE *heap, int N) |
|
|
951 | { |
|
|
952 | int i; |
|
|
953 | |
|
|
954 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
955 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
956 | for (i = 0; i < N; ++i) |
|
|
957 | upheap (heap, i + HEAP0); |
700 | } |
958 | } |
701 | |
959 | |
702 | /*****************************************************************************/ |
960 | /*****************************************************************************/ |
703 | |
961 | |
704 | typedef struct |
962 | typedef struct |
705 | { |
963 | { |
706 | WL head; |
964 | WL head; |
707 | sig_atomic_t volatile gotsig; |
965 | EV_ATOMIC_T gotsig; |
708 | } ANSIG; |
966 | } ANSIG; |
709 | |
967 | |
710 | static ANSIG *signals; |
968 | static ANSIG *signals; |
711 | static int signalmax; |
969 | static int signalmax; |
712 | |
970 | |
713 | static int sigpipe [2]; |
971 | static EV_ATOMIC_T gotsig; |
714 | static sig_atomic_t volatile gotsig; |
|
|
715 | static ev_io sigev; |
|
|
716 | |
972 | |
717 | void inline_size |
973 | /*****************************************************************************/ |
718 | signals_init (ANSIG *base, int count) |
|
|
719 | { |
|
|
720 | while (count--) |
|
|
721 | { |
|
|
722 | base->head = 0; |
|
|
723 | base->gotsig = 0; |
|
|
724 | |
|
|
725 | ++base; |
|
|
726 | } |
|
|
727 | } |
|
|
728 | |
|
|
729 | static void |
|
|
730 | sighandler (int signum) |
|
|
731 | { |
|
|
732 | #if _WIN32 |
|
|
733 | signal (signum, sighandler); |
|
|
734 | #endif |
|
|
735 | |
|
|
736 | signals [signum - 1].gotsig = 1; |
|
|
737 | |
|
|
738 | if (!gotsig) |
|
|
739 | { |
|
|
740 | int old_errno = errno; |
|
|
741 | gotsig = 1; |
|
|
742 | write (sigpipe [1], &signum, 1); |
|
|
743 | errno = old_errno; |
|
|
744 | } |
|
|
745 | } |
|
|
746 | |
|
|
747 | void noinline |
|
|
748 | ev_feed_signal_event (EV_P_ int signum) |
|
|
749 | { |
|
|
750 | WL w; |
|
|
751 | |
|
|
752 | #if EV_MULTIPLICITY |
|
|
753 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
754 | #endif |
|
|
755 | |
|
|
756 | --signum; |
|
|
757 | |
|
|
758 | if (signum < 0 || signum >= signalmax) |
|
|
759 | return; |
|
|
760 | |
|
|
761 | signals [signum].gotsig = 0; |
|
|
762 | |
|
|
763 | for (w = signals [signum].head; w; w = w->next) |
|
|
764 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
765 | } |
|
|
766 | |
|
|
767 | static void |
|
|
768 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
769 | { |
|
|
770 | int signum; |
|
|
771 | |
|
|
772 | read (sigpipe [0], &revents, 1); |
|
|
773 | gotsig = 0; |
|
|
774 | |
|
|
775 | for (signum = signalmax; signum--; ) |
|
|
776 | if (signals [signum].gotsig) |
|
|
777 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
778 | } |
|
|
779 | |
974 | |
780 | void inline_speed |
975 | void inline_speed |
781 | fd_intern (int fd) |
976 | fd_intern (int fd) |
782 | { |
977 | { |
783 | #ifdef _WIN32 |
978 | #ifdef _WIN32 |
784 | int arg = 1; |
979 | unsigned long arg = 1; |
785 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
980 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
786 | #else |
981 | #else |
787 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
982 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
788 | fcntl (fd, F_SETFL, O_NONBLOCK); |
983 | fcntl (fd, F_SETFL, O_NONBLOCK); |
789 | #endif |
984 | #endif |
790 | } |
985 | } |
791 | |
986 | |
792 | static void noinline |
987 | static void noinline |
793 | siginit (EV_P) |
988 | evpipe_init (EV_P) |
794 | { |
989 | { |
|
|
990 | if (!ev_is_active (&pipeev)) |
|
|
991 | { |
|
|
992 | #if EV_USE_EVENTFD |
|
|
993 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
994 | { |
|
|
995 | evpipe [0] = -1; |
|
|
996 | fd_intern (evfd); |
|
|
997 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
998 | } |
|
|
999 | else |
|
|
1000 | #endif |
|
|
1001 | { |
|
|
1002 | while (pipe (evpipe)) |
|
|
1003 | syserr ("(libev) error creating signal/async pipe"); |
|
|
1004 | |
795 | fd_intern (sigpipe [0]); |
1005 | fd_intern (evpipe [0]); |
796 | fd_intern (sigpipe [1]); |
1006 | fd_intern (evpipe [1]); |
|
|
1007 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1008 | } |
797 | |
1009 | |
798 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
|
|
799 | ev_io_start (EV_A_ &sigev); |
1010 | ev_io_start (EV_A_ &pipeev); |
800 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1011 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1012 | } |
|
|
1013 | } |
|
|
1014 | |
|
|
1015 | void inline_size |
|
|
1016 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1017 | { |
|
|
1018 | if (!*flag) |
|
|
1019 | { |
|
|
1020 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1021 | |
|
|
1022 | *flag = 1; |
|
|
1023 | |
|
|
1024 | #if EV_USE_EVENTFD |
|
|
1025 | if (evfd >= 0) |
|
|
1026 | { |
|
|
1027 | uint64_t counter = 1; |
|
|
1028 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1029 | } |
|
|
1030 | else |
|
|
1031 | #endif |
|
|
1032 | write (evpipe [1], &old_errno, 1); |
|
|
1033 | |
|
|
1034 | errno = old_errno; |
|
|
1035 | } |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | static void |
|
|
1039 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
1040 | { |
|
|
1041 | #if EV_USE_EVENTFD |
|
|
1042 | if (evfd >= 0) |
|
|
1043 | { |
|
|
1044 | uint64_t counter; |
|
|
1045 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1046 | } |
|
|
1047 | else |
|
|
1048 | #endif |
|
|
1049 | { |
|
|
1050 | char dummy; |
|
|
1051 | read (evpipe [0], &dummy, 1); |
|
|
1052 | } |
|
|
1053 | |
|
|
1054 | if (gotsig && ev_is_default_loop (EV_A)) |
|
|
1055 | { |
|
|
1056 | int signum; |
|
|
1057 | gotsig = 0; |
|
|
1058 | |
|
|
1059 | for (signum = signalmax; signum--; ) |
|
|
1060 | if (signals [signum].gotsig) |
|
|
1061 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
1062 | } |
|
|
1063 | |
|
|
1064 | #if EV_ASYNC_ENABLE |
|
|
1065 | if (gotasync) |
|
|
1066 | { |
|
|
1067 | int i; |
|
|
1068 | gotasync = 0; |
|
|
1069 | |
|
|
1070 | for (i = asynccnt; i--; ) |
|
|
1071 | if (asyncs [i]->sent) |
|
|
1072 | { |
|
|
1073 | asyncs [i]->sent = 0; |
|
|
1074 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
1075 | } |
|
|
1076 | } |
|
|
1077 | #endif |
801 | } |
1078 | } |
802 | |
1079 | |
803 | /*****************************************************************************/ |
1080 | /*****************************************************************************/ |
804 | |
1081 | |
|
|
1082 | static void |
|
|
1083 | ev_sighandler (int signum) |
|
|
1084 | { |
|
|
1085 | #if EV_MULTIPLICITY |
|
|
1086 | struct ev_loop *loop = &default_loop_struct; |
|
|
1087 | #endif |
|
|
1088 | |
|
|
1089 | #if _WIN32 |
|
|
1090 | signal (signum, ev_sighandler); |
|
|
1091 | #endif |
|
|
1092 | |
|
|
1093 | signals [signum - 1].gotsig = 1; |
|
|
1094 | evpipe_write (EV_A_ &gotsig); |
|
|
1095 | } |
|
|
1096 | |
|
|
1097 | void noinline |
|
|
1098 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1099 | { |
|
|
1100 | WL w; |
|
|
1101 | |
|
|
1102 | #if EV_MULTIPLICITY |
|
|
1103 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1104 | #endif |
|
|
1105 | |
|
|
1106 | --signum; |
|
|
1107 | |
|
|
1108 | if (signum < 0 || signum >= signalmax) |
|
|
1109 | return; |
|
|
1110 | |
|
|
1111 | signals [signum].gotsig = 0; |
|
|
1112 | |
|
|
1113 | for (w = signals [signum].head; w; w = w->next) |
|
|
1114 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
1115 | } |
|
|
1116 | |
|
|
1117 | /*****************************************************************************/ |
|
|
1118 | |
805 | static WL childs [EV_PID_HASHSIZE]; |
1119 | static WL childs [EV_PID_HASHSIZE]; |
806 | |
1120 | |
807 | #ifndef _WIN32 |
1121 | #ifndef _WIN32 |
808 | |
1122 | |
809 | static ev_signal childev; |
1123 | static ev_signal childev; |
810 | |
1124 | |
|
|
1125 | #ifndef WIFCONTINUED |
|
|
1126 | # define WIFCONTINUED(status) 0 |
|
|
1127 | #endif |
|
|
1128 | |
811 | void inline_speed |
1129 | void inline_speed |
812 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1130 | child_reap (EV_P_ int chain, int pid, int status) |
813 | { |
1131 | { |
814 | ev_child *w; |
1132 | ev_child *w; |
|
|
1133 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
815 | |
1134 | |
816 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1135 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1136 | { |
817 | if (w->pid == pid || !w->pid) |
1137 | if ((w->pid == pid || !w->pid) |
|
|
1138 | && (!traced || (w->flags & 1))) |
818 | { |
1139 | { |
819 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1140 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
820 | w->rpid = pid; |
1141 | w->rpid = pid; |
821 | w->rstatus = status; |
1142 | w->rstatus = status; |
822 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1143 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
823 | } |
1144 | } |
|
|
1145 | } |
824 | } |
1146 | } |
825 | |
1147 | |
826 | #ifndef WCONTINUED |
1148 | #ifndef WCONTINUED |
827 | # define WCONTINUED 0 |
1149 | # define WCONTINUED 0 |
828 | #endif |
1150 | #endif |
… | |
… | |
837 | if (!WCONTINUED |
1159 | if (!WCONTINUED |
838 | || errno != EINVAL |
1160 | || errno != EINVAL |
839 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1161 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
840 | return; |
1162 | return; |
841 | |
1163 | |
842 | /* make sure we are called again until all childs have been reaped */ |
1164 | /* make sure we are called again until all children have been reaped */ |
843 | /* we need to do it this way so that the callback gets called before we continue */ |
1165 | /* we need to do it this way so that the callback gets called before we continue */ |
844 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1166 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
845 | |
1167 | |
846 | child_reap (EV_A_ sw, pid, pid, status); |
1168 | child_reap (EV_A_ pid, pid, status); |
847 | if (EV_PID_HASHSIZE > 1) |
1169 | if (EV_PID_HASHSIZE > 1) |
848 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1170 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
849 | } |
1171 | } |
850 | |
1172 | |
851 | #endif |
1173 | #endif |
852 | |
1174 | |
853 | /*****************************************************************************/ |
1175 | /*****************************************************************************/ |
… | |
… | |
925 | } |
1247 | } |
926 | |
1248 | |
927 | unsigned int |
1249 | unsigned int |
928 | ev_embeddable_backends (void) |
1250 | ev_embeddable_backends (void) |
929 | { |
1251 | { |
|
|
1252 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
|
|
1253 | |
930 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1254 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
931 | return EVBACKEND_KQUEUE |
1255 | /* please fix it and tell me how to detect the fix */ |
932 | | EVBACKEND_PORT; |
1256 | flags &= ~EVBACKEND_EPOLL; |
|
|
1257 | |
|
|
1258 | return flags; |
933 | } |
1259 | } |
934 | |
1260 | |
935 | unsigned int |
1261 | unsigned int |
936 | ev_backend (EV_P) |
1262 | ev_backend (EV_P) |
937 | { |
1263 | { |
… | |
… | |
940 | |
1266 | |
941 | unsigned int |
1267 | unsigned int |
942 | ev_loop_count (EV_P) |
1268 | ev_loop_count (EV_P) |
943 | { |
1269 | { |
944 | return loop_count; |
1270 | return loop_count; |
|
|
1271 | } |
|
|
1272 | |
|
|
1273 | void |
|
|
1274 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1275 | { |
|
|
1276 | io_blocktime = interval; |
|
|
1277 | } |
|
|
1278 | |
|
|
1279 | void |
|
|
1280 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1281 | { |
|
|
1282 | timeout_blocktime = interval; |
945 | } |
1283 | } |
946 | |
1284 | |
947 | static void noinline |
1285 | static void noinline |
948 | loop_init (EV_P_ unsigned int flags) |
1286 | loop_init (EV_P_ unsigned int flags) |
949 | { |
1287 | { |
… | |
… | |
955 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1293 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
956 | have_monotonic = 1; |
1294 | have_monotonic = 1; |
957 | } |
1295 | } |
958 | #endif |
1296 | #endif |
959 | |
1297 | |
960 | ev_rt_now = ev_time (); |
1298 | ev_rt_now = ev_time (); |
961 | mn_now = get_clock (); |
1299 | mn_now = get_clock (); |
962 | now_floor = mn_now; |
1300 | now_floor = mn_now; |
963 | rtmn_diff = ev_rt_now - mn_now; |
1301 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1302 | |
|
|
1303 | io_blocktime = 0.; |
|
|
1304 | timeout_blocktime = 0.; |
|
|
1305 | backend = 0; |
|
|
1306 | backend_fd = -1; |
|
|
1307 | gotasync = 0; |
|
|
1308 | #if EV_USE_INOTIFY |
|
|
1309 | fs_fd = -2; |
|
|
1310 | #endif |
964 | |
1311 | |
965 | /* pid check not overridable via env */ |
1312 | /* pid check not overridable via env */ |
966 | #ifndef _WIN32 |
1313 | #ifndef _WIN32 |
967 | if (flags & EVFLAG_FORKCHECK) |
1314 | if (flags & EVFLAG_FORKCHECK) |
968 | curpid = getpid (); |
1315 | curpid = getpid (); |
… | |
… | |
971 | if (!(flags & EVFLAG_NOENV) |
1318 | if (!(flags & EVFLAG_NOENV) |
972 | && !enable_secure () |
1319 | && !enable_secure () |
973 | && getenv ("LIBEV_FLAGS")) |
1320 | && getenv ("LIBEV_FLAGS")) |
974 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1321 | flags = atoi (getenv ("LIBEV_FLAGS")); |
975 | |
1322 | |
976 | if (!(flags & 0x0000ffffUL)) |
1323 | if (!(flags & 0x0000ffffU)) |
977 | flags |= ev_recommended_backends (); |
1324 | flags |= ev_recommended_backends (); |
978 | |
|
|
979 | backend = 0; |
|
|
980 | backend_fd = -1; |
|
|
981 | #if EV_USE_INOTIFY |
|
|
982 | fs_fd = -2; |
|
|
983 | #endif |
|
|
984 | |
1325 | |
985 | #if EV_USE_PORT |
1326 | #if EV_USE_PORT |
986 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1327 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
987 | #endif |
1328 | #endif |
988 | #if EV_USE_KQUEUE |
1329 | #if EV_USE_KQUEUE |
… | |
… | |
996 | #endif |
1337 | #endif |
997 | #if EV_USE_SELECT |
1338 | #if EV_USE_SELECT |
998 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1339 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
999 | #endif |
1340 | #endif |
1000 | |
1341 | |
1001 | ev_init (&sigev, sigcb); |
1342 | ev_init (&pipeev, pipecb); |
1002 | ev_set_priority (&sigev, EV_MAXPRI); |
1343 | ev_set_priority (&pipeev, EV_MAXPRI); |
1003 | } |
1344 | } |
1004 | } |
1345 | } |
1005 | |
1346 | |
1006 | static void noinline |
1347 | static void noinline |
1007 | loop_destroy (EV_P) |
1348 | loop_destroy (EV_P) |
1008 | { |
1349 | { |
1009 | int i; |
1350 | int i; |
|
|
1351 | |
|
|
1352 | if (ev_is_active (&pipeev)) |
|
|
1353 | { |
|
|
1354 | ev_ref (EV_A); /* signal watcher */ |
|
|
1355 | ev_io_stop (EV_A_ &pipeev); |
|
|
1356 | |
|
|
1357 | #if EV_USE_EVENTFD |
|
|
1358 | if (evfd >= 0) |
|
|
1359 | close (evfd); |
|
|
1360 | #endif |
|
|
1361 | |
|
|
1362 | if (evpipe [0] >= 0) |
|
|
1363 | { |
|
|
1364 | close (evpipe [0]); |
|
|
1365 | close (evpipe [1]); |
|
|
1366 | } |
|
|
1367 | } |
1010 | |
1368 | |
1011 | #if EV_USE_INOTIFY |
1369 | #if EV_USE_INOTIFY |
1012 | if (fs_fd >= 0) |
1370 | if (fs_fd >= 0) |
1013 | close (fs_fd); |
1371 | close (fs_fd); |
1014 | #endif |
1372 | #endif |
… | |
… | |
1051 | #if EV_FORK_ENABLE |
1409 | #if EV_FORK_ENABLE |
1052 | array_free (fork, EMPTY); |
1410 | array_free (fork, EMPTY); |
1053 | #endif |
1411 | #endif |
1054 | array_free (prepare, EMPTY); |
1412 | array_free (prepare, EMPTY); |
1055 | array_free (check, EMPTY); |
1413 | array_free (check, EMPTY); |
|
|
1414 | #if EV_ASYNC_ENABLE |
|
|
1415 | array_free (async, EMPTY); |
|
|
1416 | #endif |
1056 | |
1417 | |
1057 | backend = 0; |
1418 | backend = 0; |
1058 | } |
1419 | } |
1059 | |
1420 | |
|
|
1421 | #if EV_USE_INOTIFY |
1060 | void inline_size infy_fork (EV_P); |
1422 | void inline_size infy_fork (EV_P); |
|
|
1423 | #endif |
1061 | |
1424 | |
1062 | void inline_size |
1425 | void inline_size |
1063 | loop_fork (EV_P) |
1426 | loop_fork (EV_P) |
1064 | { |
1427 | { |
1065 | #if EV_USE_PORT |
1428 | #if EV_USE_PORT |
… | |
… | |
1073 | #endif |
1436 | #endif |
1074 | #if EV_USE_INOTIFY |
1437 | #if EV_USE_INOTIFY |
1075 | infy_fork (EV_A); |
1438 | infy_fork (EV_A); |
1076 | #endif |
1439 | #endif |
1077 | |
1440 | |
1078 | if (ev_is_active (&sigev)) |
1441 | if (ev_is_active (&pipeev)) |
1079 | { |
1442 | { |
1080 | /* default loop */ |
1443 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1444 | /* while we modify the fd vars */ |
|
|
1445 | gotsig = 1; |
|
|
1446 | #if EV_ASYNC_ENABLE |
|
|
1447 | gotasync = 1; |
|
|
1448 | #endif |
1081 | |
1449 | |
1082 | ev_ref (EV_A); |
1450 | ev_ref (EV_A); |
1083 | ev_io_stop (EV_A_ &sigev); |
1451 | ev_io_stop (EV_A_ &pipeev); |
|
|
1452 | |
|
|
1453 | #if EV_USE_EVENTFD |
|
|
1454 | if (evfd >= 0) |
|
|
1455 | close (evfd); |
|
|
1456 | #endif |
|
|
1457 | |
|
|
1458 | if (evpipe [0] >= 0) |
|
|
1459 | { |
1084 | close (sigpipe [0]); |
1460 | close (evpipe [0]); |
1085 | close (sigpipe [1]); |
1461 | close (evpipe [1]); |
|
|
1462 | } |
1086 | |
1463 | |
1087 | while (pipe (sigpipe)) |
|
|
1088 | syserr ("(libev) error creating pipe"); |
|
|
1089 | |
|
|
1090 | siginit (EV_A); |
1464 | evpipe_init (EV_A); |
|
|
1465 | /* now iterate over everything, in case we missed something */ |
|
|
1466 | pipecb (EV_A_ &pipeev, EV_READ); |
1091 | } |
1467 | } |
1092 | |
1468 | |
1093 | postfork = 0; |
1469 | postfork = 0; |
1094 | } |
1470 | } |
1095 | |
1471 | |
1096 | #if EV_MULTIPLICITY |
1472 | #if EV_MULTIPLICITY |
|
|
1473 | |
1097 | struct ev_loop * |
1474 | struct ev_loop * |
1098 | ev_loop_new (unsigned int flags) |
1475 | ev_loop_new (unsigned int flags) |
1099 | { |
1476 | { |
1100 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1477 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1101 | |
1478 | |
… | |
… | |
1117 | } |
1494 | } |
1118 | |
1495 | |
1119 | void |
1496 | void |
1120 | ev_loop_fork (EV_P) |
1497 | ev_loop_fork (EV_P) |
1121 | { |
1498 | { |
1122 | postfork = 1; |
1499 | postfork = 1; /* must be in line with ev_default_fork */ |
1123 | } |
1500 | } |
1124 | |
1501 | |
|
|
1502 | #if EV_VERIFY |
|
|
1503 | static void noinline |
|
|
1504 | verify_watcher (EV_P_ W w) |
|
|
1505 | { |
|
|
1506 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1507 | |
|
|
1508 | if (w->pending) |
|
|
1509 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1510 | } |
|
|
1511 | |
|
|
1512 | static void noinline |
|
|
1513 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1514 | { |
|
|
1515 | int i; |
|
|
1516 | |
|
|
1517 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1518 | { |
|
|
1519 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1520 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1521 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1522 | |
|
|
1523 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1524 | } |
|
|
1525 | } |
|
|
1526 | |
|
|
1527 | static void noinline |
|
|
1528 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1529 | { |
|
|
1530 | while (cnt--) |
|
|
1531 | { |
|
|
1532 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1533 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1534 | } |
|
|
1535 | } |
|
|
1536 | #endif |
|
|
1537 | |
|
|
1538 | void |
|
|
1539 | ev_loop_verify (EV_P) |
|
|
1540 | { |
|
|
1541 | #if EV_VERIFY |
|
|
1542 | int i; |
|
|
1543 | WL w; |
|
|
1544 | |
|
|
1545 | assert (activecnt >= -1); |
|
|
1546 | |
|
|
1547 | assert (fdchangemax >= fdchangecnt); |
|
|
1548 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1549 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1550 | |
|
|
1551 | assert (anfdmax >= 0); |
|
|
1552 | for (i = 0; i < anfdmax; ++i) |
|
|
1553 | for (w = anfds [i].head; w; w = w->next) |
|
|
1554 | { |
|
|
1555 | verify_watcher (EV_A_ (W)w); |
|
|
1556 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1557 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | assert (timermax >= timercnt); |
|
|
1561 | verify_heap (EV_A_ timers, timercnt); |
|
|
1562 | |
|
|
1563 | #if EV_PERIODIC_ENABLE |
|
|
1564 | assert (periodicmax >= periodiccnt); |
|
|
1565 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1566 | #endif |
|
|
1567 | |
|
|
1568 | for (i = NUMPRI; i--; ) |
|
|
1569 | { |
|
|
1570 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1571 | #if EV_IDLE_ENABLE |
|
|
1572 | assert (idleall >= 0); |
|
|
1573 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1574 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1575 | #endif |
|
|
1576 | } |
|
|
1577 | |
|
|
1578 | #if EV_FORK_ENABLE |
|
|
1579 | assert (forkmax >= forkcnt); |
|
|
1580 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1581 | #endif |
|
|
1582 | |
|
|
1583 | #if EV_ASYNC_ENABLE |
|
|
1584 | assert (asyncmax >= asynccnt); |
|
|
1585 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1586 | #endif |
|
|
1587 | |
|
|
1588 | assert (preparemax >= preparecnt); |
|
|
1589 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1590 | |
|
|
1591 | assert (checkmax >= checkcnt); |
|
|
1592 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1593 | |
|
|
1594 | # if 0 |
|
|
1595 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1596 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1125 | #endif |
1597 | # endif |
|
|
1598 | #endif |
|
|
1599 | } |
|
|
1600 | |
|
|
1601 | #endif /* multiplicity */ |
1126 | |
1602 | |
1127 | #if EV_MULTIPLICITY |
1603 | #if EV_MULTIPLICITY |
1128 | struct ev_loop * |
1604 | struct ev_loop * |
1129 | ev_default_loop_init (unsigned int flags) |
1605 | ev_default_loop_init (unsigned int flags) |
1130 | #else |
1606 | #else |
1131 | int |
1607 | int |
1132 | ev_default_loop (unsigned int flags) |
1608 | ev_default_loop (unsigned int flags) |
1133 | #endif |
1609 | #endif |
1134 | { |
1610 | { |
1135 | if (sigpipe [0] == sigpipe [1]) |
|
|
1136 | if (pipe (sigpipe)) |
|
|
1137 | return 0; |
|
|
1138 | |
|
|
1139 | if (!ev_default_loop_ptr) |
1611 | if (!ev_default_loop_ptr) |
1140 | { |
1612 | { |
1141 | #if EV_MULTIPLICITY |
1613 | #if EV_MULTIPLICITY |
1142 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1614 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1143 | #else |
1615 | #else |
… | |
… | |
1146 | |
1618 | |
1147 | loop_init (EV_A_ flags); |
1619 | loop_init (EV_A_ flags); |
1148 | |
1620 | |
1149 | if (ev_backend (EV_A)) |
1621 | if (ev_backend (EV_A)) |
1150 | { |
1622 | { |
1151 | siginit (EV_A); |
|
|
1152 | |
|
|
1153 | #ifndef _WIN32 |
1623 | #ifndef _WIN32 |
1154 | ev_signal_init (&childev, childcb, SIGCHLD); |
1624 | ev_signal_init (&childev, childcb, SIGCHLD); |
1155 | ev_set_priority (&childev, EV_MAXPRI); |
1625 | ev_set_priority (&childev, EV_MAXPRI); |
1156 | ev_signal_start (EV_A_ &childev); |
1626 | ev_signal_start (EV_A_ &childev); |
1157 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1627 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1169 | { |
1639 | { |
1170 | #if EV_MULTIPLICITY |
1640 | #if EV_MULTIPLICITY |
1171 | struct ev_loop *loop = ev_default_loop_ptr; |
1641 | struct ev_loop *loop = ev_default_loop_ptr; |
1172 | #endif |
1642 | #endif |
1173 | |
1643 | |
|
|
1644 | ev_default_loop_ptr = 0; |
|
|
1645 | |
1174 | #ifndef _WIN32 |
1646 | #ifndef _WIN32 |
1175 | ev_ref (EV_A); /* child watcher */ |
1647 | ev_ref (EV_A); /* child watcher */ |
1176 | ev_signal_stop (EV_A_ &childev); |
1648 | ev_signal_stop (EV_A_ &childev); |
1177 | #endif |
1649 | #endif |
1178 | |
1650 | |
1179 | ev_ref (EV_A); /* signal watcher */ |
|
|
1180 | ev_io_stop (EV_A_ &sigev); |
|
|
1181 | |
|
|
1182 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1183 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1184 | |
|
|
1185 | loop_destroy (EV_A); |
1651 | loop_destroy (EV_A); |
1186 | } |
1652 | } |
1187 | |
1653 | |
1188 | void |
1654 | void |
1189 | ev_default_fork (void) |
1655 | ev_default_fork (void) |
… | |
… | |
1191 | #if EV_MULTIPLICITY |
1657 | #if EV_MULTIPLICITY |
1192 | struct ev_loop *loop = ev_default_loop_ptr; |
1658 | struct ev_loop *loop = ev_default_loop_ptr; |
1193 | #endif |
1659 | #endif |
1194 | |
1660 | |
1195 | if (backend) |
1661 | if (backend) |
1196 | postfork = 1; |
1662 | postfork = 1; /* must be in line with ev_loop_fork */ |
1197 | } |
1663 | } |
1198 | |
1664 | |
1199 | /*****************************************************************************/ |
1665 | /*****************************************************************************/ |
1200 | |
1666 | |
1201 | void |
1667 | void |
… | |
… | |
1218 | { |
1684 | { |
1219 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1685 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1220 | |
1686 | |
1221 | p->w->pending = 0; |
1687 | p->w->pending = 0; |
1222 | EV_CB_INVOKE (p->w, p->events); |
1688 | EV_CB_INVOKE (p->w, p->events); |
|
|
1689 | EV_FREQUENT_CHECK; |
1223 | } |
1690 | } |
1224 | } |
1691 | } |
1225 | } |
1692 | } |
1226 | |
|
|
1227 | void inline_size |
|
|
1228 | timers_reify (EV_P) |
|
|
1229 | { |
|
|
1230 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1231 | { |
|
|
1232 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1233 | |
|
|
1234 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1235 | |
|
|
1236 | /* first reschedule or stop timer */ |
|
|
1237 | if (w->repeat) |
|
|
1238 | { |
|
|
1239 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1240 | |
|
|
1241 | ((WT)w)->at += w->repeat; |
|
|
1242 | if (((WT)w)->at < mn_now) |
|
|
1243 | ((WT)w)->at = mn_now; |
|
|
1244 | |
|
|
1245 | downheap (timers, timercnt, 0); |
|
|
1246 | } |
|
|
1247 | else |
|
|
1248 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1249 | |
|
|
1250 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1251 | } |
|
|
1252 | } |
|
|
1253 | |
|
|
1254 | #if EV_PERIODIC_ENABLE |
|
|
1255 | void inline_size |
|
|
1256 | periodics_reify (EV_P) |
|
|
1257 | { |
|
|
1258 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1259 | { |
|
|
1260 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1261 | |
|
|
1262 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1263 | |
|
|
1264 | /* first reschedule or stop timer */ |
|
|
1265 | if (w->reschedule_cb) |
|
|
1266 | { |
|
|
1267 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1268 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1269 | downheap (periodics, periodiccnt, 0); |
|
|
1270 | } |
|
|
1271 | else if (w->interval) |
|
|
1272 | { |
|
|
1273 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1274 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1275 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1276 | downheap (periodics, periodiccnt, 0); |
|
|
1277 | } |
|
|
1278 | else |
|
|
1279 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1280 | |
|
|
1281 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1282 | } |
|
|
1283 | } |
|
|
1284 | |
|
|
1285 | static void noinline |
|
|
1286 | periodics_reschedule (EV_P) |
|
|
1287 | { |
|
|
1288 | int i; |
|
|
1289 | |
|
|
1290 | /* adjust periodics after time jump */ |
|
|
1291 | for (i = 0; i < periodiccnt; ++i) |
|
|
1292 | { |
|
|
1293 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1294 | |
|
|
1295 | if (w->reschedule_cb) |
|
|
1296 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1297 | else if (w->interval) |
|
|
1298 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1299 | } |
|
|
1300 | |
|
|
1301 | /* now rebuild the heap */ |
|
|
1302 | for (i = periodiccnt >> 1; i--; ) |
|
|
1303 | downheap (periodics, periodiccnt, i); |
|
|
1304 | } |
|
|
1305 | #endif |
|
|
1306 | |
1693 | |
1307 | #if EV_IDLE_ENABLE |
1694 | #if EV_IDLE_ENABLE |
1308 | void inline_size |
1695 | void inline_size |
1309 | idle_reify (EV_P) |
1696 | idle_reify (EV_P) |
1310 | { |
1697 | { |
… | |
… | |
1322 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1709 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1323 | break; |
1710 | break; |
1324 | } |
1711 | } |
1325 | } |
1712 | } |
1326 | } |
1713 | } |
|
|
1714 | } |
|
|
1715 | #endif |
|
|
1716 | |
|
|
1717 | void inline_size |
|
|
1718 | timers_reify (EV_P) |
|
|
1719 | { |
|
|
1720 | EV_FREQUENT_CHECK; |
|
|
1721 | |
|
|
1722 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1723 | { |
|
|
1724 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1725 | |
|
|
1726 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1727 | |
|
|
1728 | /* first reschedule or stop timer */ |
|
|
1729 | if (w->repeat) |
|
|
1730 | { |
|
|
1731 | ev_at (w) += w->repeat; |
|
|
1732 | if (ev_at (w) < mn_now) |
|
|
1733 | ev_at (w) = mn_now; |
|
|
1734 | |
|
|
1735 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1736 | |
|
|
1737 | ANHE_at_cache (timers [HEAP0]); |
|
|
1738 | downheap (timers, timercnt, HEAP0); |
|
|
1739 | } |
|
|
1740 | else |
|
|
1741 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1742 | |
|
|
1743 | EV_FREQUENT_CHECK; |
|
|
1744 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1745 | } |
|
|
1746 | } |
|
|
1747 | |
|
|
1748 | #if EV_PERIODIC_ENABLE |
|
|
1749 | void inline_size |
|
|
1750 | periodics_reify (EV_P) |
|
|
1751 | { |
|
|
1752 | EV_FREQUENT_CHECK; |
|
|
1753 | |
|
|
1754 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1755 | { |
|
|
1756 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1757 | |
|
|
1758 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1759 | |
|
|
1760 | /* first reschedule or stop timer */ |
|
|
1761 | if (w->reschedule_cb) |
|
|
1762 | { |
|
|
1763 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1764 | |
|
|
1765 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1766 | |
|
|
1767 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1768 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1769 | } |
|
|
1770 | else if (w->interval) |
|
|
1771 | { |
|
|
1772 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1773 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1774 | /* this might happen because of floating point inexactness */ |
|
|
1775 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1776 | { |
|
|
1777 | ev_at (w) += w->interval; |
|
|
1778 | |
|
|
1779 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1780 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1781 | /* has effectively asked to get triggered more often than possible */ |
|
|
1782 | if (ev_at (w) < ev_rt_now) |
|
|
1783 | ev_at (w) = ev_rt_now; |
|
|
1784 | } |
|
|
1785 | |
|
|
1786 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1787 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1788 | } |
|
|
1789 | else |
|
|
1790 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1791 | |
|
|
1792 | EV_FREQUENT_CHECK; |
|
|
1793 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1794 | } |
|
|
1795 | } |
|
|
1796 | |
|
|
1797 | static void noinline |
|
|
1798 | periodics_reschedule (EV_P) |
|
|
1799 | { |
|
|
1800 | int i; |
|
|
1801 | |
|
|
1802 | /* adjust periodics after time jump */ |
|
|
1803 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1804 | { |
|
|
1805 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1806 | |
|
|
1807 | if (w->reschedule_cb) |
|
|
1808 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1809 | else if (w->interval) |
|
|
1810 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1811 | |
|
|
1812 | ANHE_at_cache (periodics [i]); |
|
|
1813 | } |
|
|
1814 | |
|
|
1815 | reheap (periodics, periodiccnt); |
1327 | } |
1816 | } |
1328 | #endif |
1817 | #endif |
1329 | |
1818 | |
1330 | void inline_speed |
1819 | void inline_speed |
1331 | time_update (EV_P_ ev_tstamp max_block) |
1820 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1360 | */ |
1849 | */ |
1361 | for (i = 4; --i; ) |
1850 | for (i = 4; --i; ) |
1362 | { |
1851 | { |
1363 | rtmn_diff = ev_rt_now - mn_now; |
1852 | rtmn_diff = ev_rt_now - mn_now; |
1364 | |
1853 | |
1365 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1854 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1366 | return; /* all is well */ |
1855 | return; /* all is well */ |
1367 | |
1856 | |
1368 | ev_rt_now = ev_time (); |
1857 | ev_rt_now = ev_time (); |
1369 | mn_now = get_clock (); |
1858 | mn_now = get_clock (); |
1370 | now_floor = mn_now; |
1859 | now_floor = mn_now; |
… | |
… | |
1386 | #if EV_PERIODIC_ENABLE |
1875 | #if EV_PERIODIC_ENABLE |
1387 | periodics_reschedule (EV_A); |
1876 | periodics_reschedule (EV_A); |
1388 | #endif |
1877 | #endif |
1389 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1878 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1390 | for (i = 0; i < timercnt; ++i) |
1879 | for (i = 0; i < timercnt; ++i) |
|
|
1880 | { |
|
|
1881 | ANHE *he = timers + i + HEAP0; |
1391 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1882 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1883 | ANHE_at_cache (*he); |
|
|
1884 | } |
1392 | } |
1885 | } |
1393 | |
1886 | |
1394 | mn_now = ev_rt_now; |
1887 | mn_now = ev_rt_now; |
1395 | } |
1888 | } |
1396 | } |
1889 | } |
… | |
… | |
1405 | ev_unref (EV_P) |
1898 | ev_unref (EV_P) |
1406 | { |
1899 | { |
1407 | --activecnt; |
1900 | --activecnt; |
1408 | } |
1901 | } |
1409 | |
1902 | |
|
|
1903 | void |
|
|
1904 | ev_now_update (EV_P) |
|
|
1905 | { |
|
|
1906 | time_update (EV_A_ 1e100); |
|
|
1907 | } |
|
|
1908 | |
1410 | static int loop_done; |
1909 | static int loop_done; |
1411 | |
1910 | |
1412 | void |
1911 | void |
1413 | ev_loop (EV_P_ int flags) |
1912 | ev_loop (EV_P_ int flags) |
1414 | { |
1913 | { |
1415 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1914 | loop_done = EVUNLOOP_CANCEL; |
1416 | ? EVUNLOOP_ONE |
|
|
1417 | : EVUNLOOP_CANCEL; |
|
|
1418 | |
1915 | |
1419 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1916 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1420 | |
1917 | |
1421 | do |
1918 | do |
1422 | { |
1919 | { |
|
|
1920 | #if EV_VERIFY >= 2 |
|
|
1921 | ev_loop_verify (EV_A); |
|
|
1922 | #endif |
|
|
1923 | |
1423 | #ifndef _WIN32 |
1924 | #ifndef _WIN32 |
1424 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1925 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1425 | if (expect_false (getpid () != curpid)) |
1926 | if (expect_false (getpid () != curpid)) |
1426 | { |
1927 | { |
1427 | curpid = getpid (); |
1928 | curpid = getpid (); |
… | |
… | |
1456 | /* update fd-related kernel structures */ |
1957 | /* update fd-related kernel structures */ |
1457 | fd_reify (EV_A); |
1958 | fd_reify (EV_A); |
1458 | |
1959 | |
1459 | /* calculate blocking time */ |
1960 | /* calculate blocking time */ |
1460 | { |
1961 | { |
1461 | ev_tstamp block; |
1962 | ev_tstamp waittime = 0.; |
|
|
1963 | ev_tstamp sleeptime = 0.; |
1462 | |
1964 | |
1463 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1965 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1464 | block = 0.; /* do not block at all */ |
|
|
1465 | else |
|
|
1466 | { |
1966 | { |
1467 | /* update time to cancel out callback processing overhead */ |
1967 | /* update time to cancel out callback processing overhead */ |
1468 | time_update (EV_A_ 1e100); |
1968 | time_update (EV_A_ 1e100); |
1469 | |
1969 | |
1470 | block = MAX_BLOCKTIME; |
1970 | waittime = MAX_BLOCKTIME; |
1471 | |
1971 | |
1472 | if (timercnt) |
1972 | if (timercnt) |
1473 | { |
1973 | { |
1474 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1974 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1475 | if (block > to) block = to; |
1975 | if (waittime > to) waittime = to; |
1476 | } |
1976 | } |
1477 | |
1977 | |
1478 | #if EV_PERIODIC_ENABLE |
1978 | #if EV_PERIODIC_ENABLE |
1479 | if (periodiccnt) |
1979 | if (periodiccnt) |
1480 | { |
1980 | { |
1481 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1981 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1482 | if (block > to) block = to; |
1982 | if (waittime > to) waittime = to; |
1483 | } |
1983 | } |
1484 | #endif |
1984 | #endif |
1485 | |
1985 | |
1486 | if (expect_false (block < 0.)) block = 0.; |
1986 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1987 | waittime = timeout_blocktime; |
|
|
1988 | |
|
|
1989 | sleeptime = waittime - backend_fudge; |
|
|
1990 | |
|
|
1991 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1992 | sleeptime = io_blocktime; |
|
|
1993 | |
|
|
1994 | if (sleeptime) |
|
|
1995 | { |
|
|
1996 | ev_sleep (sleeptime); |
|
|
1997 | waittime -= sleeptime; |
|
|
1998 | } |
1487 | } |
1999 | } |
1488 | |
2000 | |
1489 | ++loop_count; |
2001 | ++loop_count; |
1490 | backend_poll (EV_A_ block); |
2002 | backend_poll (EV_A_ waittime); |
1491 | |
2003 | |
1492 | /* update ev_rt_now, do magic */ |
2004 | /* update ev_rt_now, do magic */ |
1493 | time_update (EV_A_ block); |
2005 | time_update (EV_A_ waittime + sleeptime); |
1494 | } |
2006 | } |
1495 | |
2007 | |
1496 | /* queue pending timers and reschedule them */ |
2008 | /* queue pending timers and reschedule them */ |
1497 | timers_reify (EV_A); /* relative timers called last */ |
2009 | timers_reify (EV_A); /* relative timers called last */ |
1498 | #if EV_PERIODIC_ENABLE |
2010 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1507 | /* queue check watchers, to be executed first */ |
2019 | /* queue check watchers, to be executed first */ |
1508 | if (expect_false (checkcnt)) |
2020 | if (expect_false (checkcnt)) |
1509 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2021 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1510 | |
2022 | |
1511 | call_pending (EV_A); |
2023 | call_pending (EV_A); |
1512 | |
|
|
1513 | } |
2024 | } |
1514 | while (expect_true (activecnt && !loop_done)); |
2025 | while (expect_true ( |
|
|
2026 | activecnt |
|
|
2027 | && !loop_done |
|
|
2028 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2029 | )); |
1515 | |
2030 | |
1516 | if (loop_done == EVUNLOOP_ONE) |
2031 | if (loop_done == EVUNLOOP_ONE) |
1517 | loop_done = EVUNLOOP_CANCEL; |
2032 | loop_done = EVUNLOOP_CANCEL; |
1518 | } |
2033 | } |
1519 | |
2034 | |
… | |
… | |
1607 | |
2122 | |
1608 | if (expect_false (ev_is_active (w))) |
2123 | if (expect_false (ev_is_active (w))) |
1609 | return; |
2124 | return; |
1610 | |
2125 | |
1611 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2126 | assert (("ev_io_start called with negative fd", fd >= 0)); |
|
|
2127 | assert (("ev_io start called with illegal event mask", !(w->events & ~(EV_IOFDSET | EV_READ | EV_WRITE)))); |
|
|
2128 | |
|
|
2129 | EV_FREQUENT_CHECK; |
1612 | |
2130 | |
1613 | ev_start (EV_A_ (W)w, 1); |
2131 | ev_start (EV_A_ (W)w, 1); |
1614 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2132 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
1615 | wlist_add (&anfds[fd].head, (WL)w); |
2133 | wlist_add (&anfds[fd].head, (WL)w); |
1616 | |
2134 | |
1617 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2135 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1618 | w->events &= ~EV_IOFDSET; |
2136 | w->events &= ~EV_IOFDSET; |
|
|
2137 | |
|
|
2138 | EV_FREQUENT_CHECK; |
1619 | } |
2139 | } |
1620 | |
2140 | |
1621 | void noinline |
2141 | void noinline |
1622 | ev_io_stop (EV_P_ ev_io *w) |
2142 | ev_io_stop (EV_P_ ev_io *w) |
1623 | { |
2143 | { |
1624 | clear_pending (EV_A_ (W)w); |
2144 | clear_pending (EV_A_ (W)w); |
1625 | if (expect_false (!ev_is_active (w))) |
2145 | if (expect_false (!ev_is_active (w))) |
1626 | return; |
2146 | return; |
1627 | |
2147 | |
1628 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2148 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2149 | |
|
|
2150 | EV_FREQUENT_CHECK; |
1629 | |
2151 | |
1630 | wlist_del (&anfds[w->fd].head, (WL)w); |
2152 | wlist_del (&anfds[w->fd].head, (WL)w); |
1631 | ev_stop (EV_A_ (W)w); |
2153 | ev_stop (EV_A_ (W)w); |
1632 | |
2154 | |
1633 | fd_change (EV_A_ w->fd, 1); |
2155 | fd_change (EV_A_ w->fd, 1); |
|
|
2156 | |
|
|
2157 | EV_FREQUENT_CHECK; |
1634 | } |
2158 | } |
1635 | |
2159 | |
1636 | void noinline |
2160 | void noinline |
1637 | ev_timer_start (EV_P_ ev_timer *w) |
2161 | ev_timer_start (EV_P_ ev_timer *w) |
1638 | { |
2162 | { |
1639 | if (expect_false (ev_is_active (w))) |
2163 | if (expect_false (ev_is_active (w))) |
1640 | return; |
2164 | return; |
1641 | |
2165 | |
1642 | ((WT)w)->at += mn_now; |
2166 | ev_at (w) += mn_now; |
1643 | |
2167 | |
1644 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2168 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1645 | |
2169 | |
|
|
2170 | EV_FREQUENT_CHECK; |
|
|
2171 | |
|
|
2172 | ++timercnt; |
1646 | ev_start (EV_A_ (W)w, ++timercnt); |
2173 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1647 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2174 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1648 | timers [timercnt - 1] = (WT)w; |
2175 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1649 | upheap (timers, timercnt - 1); |
2176 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2177 | upheap (timers, ev_active (w)); |
1650 | |
2178 | |
|
|
2179 | EV_FREQUENT_CHECK; |
|
|
2180 | |
1651 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2181 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1652 | } |
2182 | } |
1653 | |
2183 | |
1654 | void noinline |
2184 | void noinline |
1655 | ev_timer_stop (EV_P_ ev_timer *w) |
2185 | ev_timer_stop (EV_P_ ev_timer *w) |
1656 | { |
2186 | { |
1657 | clear_pending (EV_A_ (W)w); |
2187 | clear_pending (EV_A_ (W)w); |
1658 | if (expect_false (!ev_is_active (w))) |
2188 | if (expect_false (!ev_is_active (w))) |
1659 | return; |
2189 | return; |
1660 | |
2190 | |
1661 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2191 | EV_FREQUENT_CHECK; |
1662 | |
2192 | |
1663 | { |
2193 | { |
1664 | int active = ((W)w)->active; |
2194 | int active = ev_active (w); |
1665 | |
2195 | |
|
|
2196 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2197 | |
|
|
2198 | --timercnt; |
|
|
2199 | |
1666 | if (expect_true (--active < --timercnt)) |
2200 | if (expect_true (active < timercnt + HEAP0)) |
1667 | { |
2201 | { |
1668 | timers [active] = timers [timercnt]; |
2202 | timers [active] = timers [timercnt + HEAP0]; |
1669 | adjustheap (timers, timercnt, active); |
2203 | adjustheap (timers, timercnt, active); |
1670 | } |
2204 | } |
1671 | } |
2205 | } |
1672 | |
2206 | |
1673 | ((WT)w)->at -= mn_now; |
2207 | EV_FREQUENT_CHECK; |
|
|
2208 | |
|
|
2209 | ev_at (w) -= mn_now; |
1674 | |
2210 | |
1675 | ev_stop (EV_A_ (W)w); |
2211 | ev_stop (EV_A_ (W)w); |
1676 | } |
2212 | } |
1677 | |
2213 | |
1678 | void noinline |
2214 | void noinline |
1679 | ev_timer_again (EV_P_ ev_timer *w) |
2215 | ev_timer_again (EV_P_ ev_timer *w) |
1680 | { |
2216 | { |
|
|
2217 | EV_FREQUENT_CHECK; |
|
|
2218 | |
1681 | if (ev_is_active (w)) |
2219 | if (ev_is_active (w)) |
1682 | { |
2220 | { |
1683 | if (w->repeat) |
2221 | if (w->repeat) |
1684 | { |
2222 | { |
1685 | ((WT)w)->at = mn_now + w->repeat; |
2223 | ev_at (w) = mn_now + w->repeat; |
|
|
2224 | ANHE_at_cache (timers [ev_active (w)]); |
1686 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2225 | adjustheap (timers, timercnt, ev_active (w)); |
1687 | } |
2226 | } |
1688 | else |
2227 | else |
1689 | ev_timer_stop (EV_A_ w); |
2228 | ev_timer_stop (EV_A_ w); |
1690 | } |
2229 | } |
1691 | else if (w->repeat) |
2230 | else if (w->repeat) |
1692 | { |
2231 | { |
1693 | w->at = w->repeat; |
2232 | ev_at (w) = w->repeat; |
1694 | ev_timer_start (EV_A_ w); |
2233 | ev_timer_start (EV_A_ w); |
1695 | } |
2234 | } |
|
|
2235 | |
|
|
2236 | EV_FREQUENT_CHECK; |
1696 | } |
2237 | } |
1697 | |
2238 | |
1698 | #if EV_PERIODIC_ENABLE |
2239 | #if EV_PERIODIC_ENABLE |
1699 | void noinline |
2240 | void noinline |
1700 | ev_periodic_start (EV_P_ ev_periodic *w) |
2241 | ev_periodic_start (EV_P_ ev_periodic *w) |
1701 | { |
2242 | { |
1702 | if (expect_false (ev_is_active (w))) |
2243 | if (expect_false (ev_is_active (w))) |
1703 | return; |
2244 | return; |
1704 | |
2245 | |
1705 | if (w->reschedule_cb) |
2246 | if (w->reschedule_cb) |
1706 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2247 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1707 | else if (w->interval) |
2248 | else if (w->interval) |
1708 | { |
2249 | { |
1709 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2250 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1710 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2251 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1711 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2252 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1712 | } |
2253 | } |
1713 | else |
2254 | else |
1714 | ((WT)w)->at = w->offset; |
2255 | ev_at (w) = w->offset; |
1715 | |
2256 | |
|
|
2257 | EV_FREQUENT_CHECK; |
|
|
2258 | |
|
|
2259 | ++periodiccnt; |
1716 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2260 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1717 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2261 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1718 | periodics [periodiccnt - 1] = (WT)w; |
2262 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1719 | upheap (periodics, periodiccnt - 1); |
2263 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2264 | upheap (periodics, ev_active (w)); |
1720 | |
2265 | |
|
|
2266 | EV_FREQUENT_CHECK; |
|
|
2267 | |
1721 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2268 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1722 | } |
2269 | } |
1723 | |
2270 | |
1724 | void noinline |
2271 | void noinline |
1725 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2272 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1726 | { |
2273 | { |
1727 | clear_pending (EV_A_ (W)w); |
2274 | clear_pending (EV_A_ (W)w); |
1728 | if (expect_false (!ev_is_active (w))) |
2275 | if (expect_false (!ev_is_active (w))) |
1729 | return; |
2276 | return; |
1730 | |
2277 | |
1731 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2278 | EV_FREQUENT_CHECK; |
1732 | |
2279 | |
1733 | { |
2280 | { |
1734 | int active = ((W)w)->active; |
2281 | int active = ev_active (w); |
1735 | |
2282 | |
|
|
2283 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2284 | |
|
|
2285 | --periodiccnt; |
|
|
2286 | |
1736 | if (expect_true (--active < --periodiccnt)) |
2287 | if (expect_true (active < periodiccnt + HEAP0)) |
1737 | { |
2288 | { |
1738 | periodics [active] = periodics [periodiccnt]; |
2289 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1739 | adjustheap (periodics, periodiccnt, active); |
2290 | adjustheap (periodics, periodiccnt, active); |
1740 | } |
2291 | } |
1741 | } |
2292 | } |
1742 | |
2293 | |
|
|
2294 | EV_FREQUENT_CHECK; |
|
|
2295 | |
1743 | ev_stop (EV_A_ (W)w); |
2296 | ev_stop (EV_A_ (W)w); |
1744 | } |
2297 | } |
1745 | |
2298 | |
1746 | void noinline |
2299 | void noinline |
1747 | ev_periodic_again (EV_P_ ev_periodic *w) |
2300 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1764 | #endif |
2317 | #endif |
1765 | if (expect_false (ev_is_active (w))) |
2318 | if (expect_false (ev_is_active (w))) |
1766 | return; |
2319 | return; |
1767 | |
2320 | |
1768 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2321 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
2322 | |
|
|
2323 | evpipe_init (EV_A); |
|
|
2324 | |
|
|
2325 | EV_FREQUENT_CHECK; |
1769 | |
2326 | |
1770 | { |
2327 | { |
1771 | #ifndef _WIN32 |
2328 | #ifndef _WIN32 |
1772 | sigset_t full, prev; |
2329 | sigset_t full, prev; |
1773 | sigfillset (&full); |
2330 | sigfillset (&full); |
1774 | sigprocmask (SIG_SETMASK, &full, &prev); |
2331 | sigprocmask (SIG_SETMASK, &full, &prev); |
1775 | #endif |
2332 | #endif |
1776 | |
2333 | |
1777 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
2334 | array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero); |
1778 | |
2335 | |
1779 | #ifndef _WIN32 |
2336 | #ifndef _WIN32 |
1780 | sigprocmask (SIG_SETMASK, &prev, 0); |
2337 | sigprocmask (SIG_SETMASK, &prev, 0); |
1781 | #endif |
2338 | #endif |
1782 | } |
2339 | } |
… | |
… | |
1785 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2342 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1786 | |
2343 | |
1787 | if (!((WL)w)->next) |
2344 | if (!((WL)w)->next) |
1788 | { |
2345 | { |
1789 | #if _WIN32 |
2346 | #if _WIN32 |
1790 | signal (w->signum, sighandler); |
2347 | signal (w->signum, ev_sighandler); |
1791 | #else |
2348 | #else |
1792 | struct sigaction sa; |
2349 | struct sigaction sa; |
1793 | sa.sa_handler = sighandler; |
2350 | sa.sa_handler = ev_sighandler; |
1794 | sigfillset (&sa.sa_mask); |
2351 | sigfillset (&sa.sa_mask); |
1795 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2352 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1796 | sigaction (w->signum, &sa, 0); |
2353 | sigaction (w->signum, &sa, 0); |
1797 | #endif |
2354 | #endif |
1798 | } |
2355 | } |
|
|
2356 | |
|
|
2357 | EV_FREQUENT_CHECK; |
1799 | } |
2358 | } |
1800 | |
2359 | |
1801 | void noinline |
2360 | void noinline |
1802 | ev_signal_stop (EV_P_ ev_signal *w) |
2361 | ev_signal_stop (EV_P_ ev_signal *w) |
1803 | { |
2362 | { |
1804 | clear_pending (EV_A_ (W)w); |
2363 | clear_pending (EV_A_ (W)w); |
1805 | if (expect_false (!ev_is_active (w))) |
2364 | if (expect_false (!ev_is_active (w))) |
1806 | return; |
2365 | return; |
1807 | |
2366 | |
|
|
2367 | EV_FREQUENT_CHECK; |
|
|
2368 | |
1808 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2369 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1809 | ev_stop (EV_A_ (W)w); |
2370 | ev_stop (EV_A_ (W)w); |
1810 | |
2371 | |
1811 | if (!signals [w->signum - 1].head) |
2372 | if (!signals [w->signum - 1].head) |
1812 | signal (w->signum, SIG_DFL); |
2373 | signal (w->signum, SIG_DFL); |
|
|
2374 | |
|
|
2375 | EV_FREQUENT_CHECK; |
1813 | } |
2376 | } |
1814 | |
2377 | |
1815 | void |
2378 | void |
1816 | ev_child_start (EV_P_ ev_child *w) |
2379 | ev_child_start (EV_P_ ev_child *w) |
1817 | { |
2380 | { |
… | |
… | |
1819 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2382 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1820 | #endif |
2383 | #endif |
1821 | if (expect_false (ev_is_active (w))) |
2384 | if (expect_false (ev_is_active (w))) |
1822 | return; |
2385 | return; |
1823 | |
2386 | |
|
|
2387 | EV_FREQUENT_CHECK; |
|
|
2388 | |
1824 | ev_start (EV_A_ (W)w, 1); |
2389 | ev_start (EV_A_ (W)w, 1); |
1825 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2390 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2391 | |
|
|
2392 | EV_FREQUENT_CHECK; |
1826 | } |
2393 | } |
1827 | |
2394 | |
1828 | void |
2395 | void |
1829 | ev_child_stop (EV_P_ ev_child *w) |
2396 | ev_child_stop (EV_P_ ev_child *w) |
1830 | { |
2397 | { |
1831 | clear_pending (EV_A_ (W)w); |
2398 | clear_pending (EV_A_ (W)w); |
1832 | if (expect_false (!ev_is_active (w))) |
2399 | if (expect_false (!ev_is_active (w))) |
1833 | return; |
2400 | return; |
1834 | |
2401 | |
|
|
2402 | EV_FREQUENT_CHECK; |
|
|
2403 | |
1835 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2404 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1836 | ev_stop (EV_A_ (W)w); |
2405 | ev_stop (EV_A_ (W)w); |
|
|
2406 | |
|
|
2407 | EV_FREQUENT_CHECK; |
1837 | } |
2408 | } |
1838 | |
2409 | |
1839 | #if EV_STAT_ENABLE |
2410 | #if EV_STAT_ENABLE |
1840 | |
2411 | |
1841 | # ifdef _WIN32 |
2412 | # ifdef _WIN32 |
… | |
… | |
1859 | if (w->wd < 0) |
2430 | if (w->wd < 0) |
1860 | { |
2431 | { |
1861 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2432 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
1862 | |
2433 | |
1863 | /* monitor some parent directory for speedup hints */ |
2434 | /* monitor some parent directory for speedup hints */ |
|
|
2435 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2436 | /* but an efficiency issue only */ |
1864 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2437 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1865 | { |
2438 | { |
1866 | char path [4096]; |
2439 | char path [4096]; |
1867 | strcpy (path, w->path); |
2440 | strcpy (path, w->path); |
1868 | |
2441 | |
… | |
… | |
1908 | |
2481 | |
1909 | static void noinline |
2482 | static void noinline |
1910 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
2483 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
1911 | { |
2484 | { |
1912 | if (slot < 0) |
2485 | if (slot < 0) |
1913 | /* overflow, need to check for all hahs slots */ |
2486 | /* overflow, need to check for all hash slots */ |
1914 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
2487 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
1915 | infy_wd (EV_A_ slot, wd, ev); |
2488 | infy_wd (EV_A_ slot, wd, ev); |
1916 | else |
2489 | else |
1917 | { |
2490 | { |
1918 | WL w_; |
2491 | WL w_; |
… | |
… | |
1952 | infy_init (EV_P) |
2525 | infy_init (EV_P) |
1953 | { |
2526 | { |
1954 | if (fs_fd != -2) |
2527 | if (fs_fd != -2) |
1955 | return; |
2528 | return; |
1956 | |
2529 | |
|
|
2530 | /* kernels < 2.6.25 are borked |
|
|
2531 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
|
|
2532 | */ |
|
|
2533 | { |
|
|
2534 | struct utsname buf; |
|
|
2535 | int major, minor, micro; |
|
|
2536 | |
|
|
2537 | fs_fd = -1; |
|
|
2538 | |
|
|
2539 | if (uname (&buf)) |
|
|
2540 | return; |
|
|
2541 | |
|
|
2542 | if (sscanf (buf.release, "%d.%d.%d", &major, &minor, µ) != 3) |
|
|
2543 | return; |
|
|
2544 | |
|
|
2545 | if (major < 2 |
|
|
2546 | || (major == 2 && minor < 6) |
|
|
2547 | || (major == 2 && minor == 6 && micro < 25)) |
|
|
2548 | return; |
|
|
2549 | } |
|
|
2550 | |
1957 | fs_fd = inotify_init (); |
2551 | fs_fd = inotify_init (); |
1958 | |
2552 | |
1959 | if (fs_fd >= 0) |
2553 | if (fs_fd >= 0) |
1960 | { |
2554 | { |
1961 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
2555 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
… | |
… | |
1990 | if (fs_fd >= 0) |
2584 | if (fs_fd >= 0) |
1991 | infy_add (EV_A_ w); /* re-add, no matter what */ |
2585 | infy_add (EV_A_ w); /* re-add, no matter what */ |
1992 | else |
2586 | else |
1993 | ev_timer_start (EV_A_ &w->timer); |
2587 | ev_timer_start (EV_A_ &w->timer); |
1994 | } |
2588 | } |
1995 | |
|
|
1996 | } |
2589 | } |
1997 | } |
2590 | } |
1998 | |
2591 | |
|
|
2592 | #endif |
|
|
2593 | |
|
|
2594 | #ifdef _WIN32 |
|
|
2595 | # define EV_LSTAT(p,b) _stati64 (p, b) |
|
|
2596 | #else |
|
|
2597 | # define EV_LSTAT(p,b) lstat (p, b) |
1999 | #endif |
2598 | #endif |
2000 | |
2599 | |
2001 | void |
2600 | void |
2002 | ev_stat_stat (EV_P_ ev_stat *w) |
2601 | ev_stat_stat (EV_P_ ev_stat *w) |
2003 | { |
2602 | { |
… | |
… | |
2030 | || w->prev.st_atime != w->attr.st_atime |
2629 | || w->prev.st_atime != w->attr.st_atime |
2031 | || w->prev.st_mtime != w->attr.st_mtime |
2630 | || w->prev.st_mtime != w->attr.st_mtime |
2032 | || w->prev.st_ctime != w->attr.st_ctime |
2631 | || w->prev.st_ctime != w->attr.st_ctime |
2033 | ) { |
2632 | ) { |
2034 | #if EV_USE_INOTIFY |
2633 | #if EV_USE_INOTIFY |
|
|
2634 | if (fs_fd >= 0) |
|
|
2635 | { |
2035 | infy_del (EV_A_ w); |
2636 | infy_del (EV_A_ w); |
2036 | infy_add (EV_A_ w); |
2637 | infy_add (EV_A_ w); |
2037 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
2638 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2639 | } |
2038 | #endif |
2640 | #endif |
2039 | |
2641 | |
2040 | ev_feed_event (EV_A_ w, EV_STAT); |
2642 | ev_feed_event (EV_A_ w, EV_STAT); |
2041 | } |
2643 | } |
2042 | } |
2644 | } |
… | |
… | |
2067 | else |
2669 | else |
2068 | #endif |
2670 | #endif |
2069 | ev_timer_start (EV_A_ &w->timer); |
2671 | ev_timer_start (EV_A_ &w->timer); |
2070 | |
2672 | |
2071 | ev_start (EV_A_ (W)w, 1); |
2673 | ev_start (EV_A_ (W)w, 1); |
|
|
2674 | |
|
|
2675 | EV_FREQUENT_CHECK; |
2072 | } |
2676 | } |
2073 | |
2677 | |
2074 | void |
2678 | void |
2075 | ev_stat_stop (EV_P_ ev_stat *w) |
2679 | ev_stat_stop (EV_P_ ev_stat *w) |
2076 | { |
2680 | { |
2077 | clear_pending (EV_A_ (W)w); |
2681 | clear_pending (EV_A_ (W)w); |
2078 | if (expect_false (!ev_is_active (w))) |
2682 | if (expect_false (!ev_is_active (w))) |
2079 | return; |
2683 | return; |
2080 | |
2684 | |
|
|
2685 | EV_FREQUENT_CHECK; |
|
|
2686 | |
2081 | #if EV_USE_INOTIFY |
2687 | #if EV_USE_INOTIFY |
2082 | infy_del (EV_A_ w); |
2688 | infy_del (EV_A_ w); |
2083 | #endif |
2689 | #endif |
2084 | ev_timer_stop (EV_A_ &w->timer); |
2690 | ev_timer_stop (EV_A_ &w->timer); |
2085 | |
2691 | |
2086 | ev_stop (EV_A_ (W)w); |
2692 | ev_stop (EV_A_ (W)w); |
|
|
2693 | |
|
|
2694 | EV_FREQUENT_CHECK; |
2087 | } |
2695 | } |
2088 | #endif |
2696 | #endif |
2089 | |
2697 | |
2090 | #if EV_IDLE_ENABLE |
2698 | #if EV_IDLE_ENABLE |
2091 | void |
2699 | void |
… | |
… | |
2093 | { |
2701 | { |
2094 | if (expect_false (ev_is_active (w))) |
2702 | if (expect_false (ev_is_active (w))) |
2095 | return; |
2703 | return; |
2096 | |
2704 | |
2097 | pri_adjust (EV_A_ (W)w); |
2705 | pri_adjust (EV_A_ (W)w); |
|
|
2706 | |
|
|
2707 | EV_FREQUENT_CHECK; |
2098 | |
2708 | |
2099 | { |
2709 | { |
2100 | int active = ++idlecnt [ABSPRI (w)]; |
2710 | int active = ++idlecnt [ABSPRI (w)]; |
2101 | |
2711 | |
2102 | ++idleall; |
2712 | ++idleall; |
2103 | ev_start (EV_A_ (W)w, active); |
2713 | ev_start (EV_A_ (W)w, active); |
2104 | |
2714 | |
2105 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2715 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2106 | idles [ABSPRI (w)][active - 1] = w; |
2716 | idles [ABSPRI (w)][active - 1] = w; |
2107 | } |
2717 | } |
|
|
2718 | |
|
|
2719 | EV_FREQUENT_CHECK; |
2108 | } |
2720 | } |
2109 | |
2721 | |
2110 | void |
2722 | void |
2111 | ev_idle_stop (EV_P_ ev_idle *w) |
2723 | ev_idle_stop (EV_P_ ev_idle *w) |
2112 | { |
2724 | { |
2113 | clear_pending (EV_A_ (W)w); |
2725 | clear_pending (EV_A_ (W)w); |
2114 | if (expect_false (!ev_is_active (w))) |
2726 | if (expect_false (!ev_is_active (w))) |
2115 | return; |
2727 | return; |
2116 | |
2728 | |
|
|
2729 | EV_FREQUENT_CHECK; |
|
|
2730 | |
2117 | { |
2731 | { |
2118 | int active = ((W)w)->active; |
2732 | int active = ev_active (w); |
2119 | |
2733 | |
2120 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2734 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2121 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2735 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2122 | |
2736 | |
2123 | ev_stop (EV_A_ (W)w); |
2737 | ev_stop (EV_A_ (W)w); |
2124 | --idleall; |
2738 | --idleall; |
2125 | } |
2739 | } |
|
|
2740 | |
|
|
2741 | EV_FREQUENT_CHECK; |
2126 | } |
2742 | } |
2127 | #endif |
2743 | #endif |
2128 | |
2744 | |
2129 | void |
2745 | void |
2130 | ev_prepare_start (EV_P_ ev_prepare *w) |
2746 | ev_prepare_start (EV_P_ ev_prepare *w) |
2131 | { |
2747 | { |
2132 | if (expect_false (ev_is_active (w))) |
2748 | if (expect_false (ev_is_active (w))) |
2133 | return; |
2749 | return; |
|
|
2750 | |
|
|
2751 | EV_FREQUENT_CHECK; |
2134 | |
2752 | |
2135 | ev_start (EV_A_ (W)w, ++preparecnt); |
2753 | ev_start (EV_A_ (W)w, ++preparecnt); |
2136 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2754 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2137 | prepares [preparecnt - 1] = w; |
2755 | prepares [preparecnt - 1] = w; |
|
|
2756 | |
|
|
2757 | EV_FREQUENT_CHECK; |
2138 | } |
2758 | } |
2139 | |
2759 | |
2140 | void |
2760 | void |
2141 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2761 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2142 | { |
2762 | { |
2143 | clear_pending (EV_A_ (W)w); |
2763 | clear_pending (EV_A_ (W)w); |
2144 | if (expect_false (!ev_is_active (w))) |
2764 | if (expect_false (!ev_is_active (w))) |
2145 | return; |
2765 | return; |
2146 | |
2766 | |
|
|
2767 | EV_FREQUENT_CHECK; |
|
|
2768 | |
2147 | { |
2769 | { |
2148 | int active = ((W)w)->active; |
2770 | int active = ev_active (w); |
|
|
2771 | |
2149 | prepares [active - 1] = prepares [--preparecnt]; |
2772 | prepares [active - 1] = prepares [--preparecnt]; |
2150 | ((W)prepares [active - 1])->active = active; |
2773 | ev_active (prepares [active - 1]) = active; |
2151 | } |
2774 | } |
2152 | |
2775 | |
2153 | ev_stop (EV_A_ (W)w); |
2776 | ev_stop (EV_A_ (W)w); |
|
|
2777 | |
|
|
2778 | EV_FREQUENT_CHECK; |
2154 | } |
2779 | } |
2155 | |
2780 | |
2156 | void |
2781 | void |
2157 | ev_check_start (EV_P_ ev_check *w) |
2782 | ev_check_start (EV_P_ ev_check *w) |
2158 | { |
2783 | { |
2159 | if (expect_false (ev_is_active (w))) |
2784 | if (expect_false (ev_is_active (w))) |
2160 | return; |
2785 | return; |
|
|
2786 | |
|
|
2787 | EV_FREQUENT_CHECK; |
2161 | |
2788 | |
2162 | ev_start (EV_A_ (W)w, ++checkcnt); |
2789 | ev_start (EV_A_ (W)w, ++checkcnt); |
2163 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2790 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2164 | checks [checkcnt - 1] = w; |
2791 | checks [checkcnt - 1] = w; |
|
|
2792 | |
|
|
2793 | EV_FREQUENT_CHECK; |
2165 | } |
2794 | } |
2166 | |
2795 | |
2167 | void |
2796 | void |
2168 | ev_check_stop (EV_P_ ev_check *w) |
2797 | ev_check_stop (EV_P_ ev_check *w) |
2169 | { |
2798 | { |
2170 | clear_pending (EV_A_ (W)w); |
2799 | clear_pending (EV_A_ (W)w); |
2171 | if (expect_false (!ev_is_active (w))) |
2800 | if (expect_false (!ev_is_active (w))) |
2172 | return; |
2801 | return; |
2173 | |
2802 | |
|
|
2803 | EV_FREQUENT_CHECK; |
|
|
2804 | |
2174 | { |
2805 | { |
2175 | int active = ((W)w)->active; |
2806 | int active = ev_active (w); |
|
|
2807 | |
2176 | checks [active - 1] = checks [--checkcnt]; |
2808 | checks [active - 1] = checks [--checkcnt]; |
2177 | ((W)checks [active - 1])->active = active; |
2809 | ev_active (checks [active - 1]) = active; |
2178 | } |
2810 | } |
2179 | |
2811 | |
2180 | ev_stop (EV_A_ (W)w); |
2812 | ev_stop (EV_A_ (W)w); |
|
|
2813 | |
|
|
2814 | EV_FREQUENT_CHECK; |
2181 | } |
2815 | } |
2182 | |
2816 | |
2183 | #if EV_EMBED_ENABLE |
2817 | #if EV_EMBED_ENABLE |
2184 | void noinline |
2818 | void noinline |
2185 | ev_embed_sweep (EV_P_ ev_embed *w) |
2819 | ev_embed_sweep (EV_P_ ev_embed *w) |
… | |
… | |
2193 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2827 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2194 | |
2828 | |
2195 | if (ev_cb (w)) |
2829 | if (ev_cb (w)) |
2196 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2830 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2197 | else |
2831 | else |
2198 | ev_embed_sweep (loop, w); |
2832 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2199 | } |
2833 | } |
2200 | |
2834 | |
2201 | static void |
2835 | static void |
2202 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2836 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
2203 | { |
2837 | { |
2204 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2838 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
2205 | |
2839 | |
2206 | fd_reify (w->other); |
2840 | { |
|
|
2841 | struct ev_loop *loop = w->other; |
|
|
2842 | |
|
|
2843 | while (fdchangecnt) |
|
|
2844 | { |
|
|
2845 | fd_reify (EV_A); |
|
|
2846 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2847 | } |
|
|
2848 | } |
2207 | } |
2849 | } |
|
|
2850 | |
|
|
2851 | static void |
|
|
2852 | embed_fork_cb (EV_P_ ev_fork *fork_w, int revents) |
|
|
2853 | { |
|
|
2854 | ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); |
|
|
2855 | |
|
|
2856 | { |
|
|
2857 | struct ev_loop *loop = w->other; |
|
|
2858 | |
|
|
2859 | ev_loop_fork (EV_A); |
|
|
2860 | } |
|
|
2861 | } |
|
|
2862 | |
|
|
2863 | #if 0 |
|
|
2864 | static void |
|
|
2865 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2866 | { |
|
|
2867 | ev_idle_stop (EV_A_ idle); |
|
|
2868 | } |
|
|
2869 | #endif |
2208 | |
2870 | |
2209 | void |
2871 | void |
2210 | ev_embed_start (EV_P_ ev_embed *w) |
2872 | ev_embed_start (EV_P_ ev_embed *w) |
2211 | { |
2873 | { |
2212 | if (expect_false (ev_is_active (w))) |
2874 | if (expect_false (ev_is_active (w))) |
… | |
… | |
2216 | struct ev_loop *loop = w->other; |
2878 | struct ev_loop *loop = w->other; |
2217 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2879 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2218 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2880 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2219 | } |
2881 | } |
2220 | |
2882 | |
|
|
2883 | EV_FREQUENT_CHECK; |
|
|
2884 | |
2221 | ev_set_priority (&w->io, ev_priority (w)); |
2885 | ev_set_priority (&w->io, ev_priority (w)); |
2222 | ev_io_start (EV_A_ &w->io); |
2886 | ev_io_start (EV_A_ &w->io); |
2223 | |
2887 | |
2224 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2888 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
2225 | ev_set_priority (&w->prepare, EV_MINPRI); |
2889 | ev_set_priority (&w->prepare, EV_MINPRI); |
2226 | ev_prepare_start (EV_A_ &w->prepare); |
2890 | ev_prepare_start (EV_A_ &w->prepare); |
2227 | |
2891 | |
|
|
2892 | ev_fork_init (&w->fork, embed_fork_cb); |
|
|
2893 | ev_fork_start (EV_A_ &w->fork); |
|
|
2894 | |
|
|
2895 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2896 | |
2228 | ev_start (EV_A_ (W)w, 1); |
2897 | ev_start (EV_A_ (W)w, 1); |
|
|
2898 | |
|
|
2899 | EV_FREQUENT_CHECK; |
2229 | } |
2900 | } |
2230 | |
2901 | |
2231 | void |
2902 | void |
2232 | ev_embed_stop (EV_P_ ev_embed *w) |
2903 | ev_embed_stop (EV_P_ ev_embed *w) |
2233 | { |
2904 | { |
2234 | clear_pending (EV_A_ (W)w); |
2905 | clear_pending (EV_A_ (W)w); |
2235 | if (expect_false (!ev_is_active (w))) |
2906 | if (expect_false (!ev_is_active (w))) |
2236 | return; |
2907 | return; |
2237 | |
2908 | |
|
|
2909 | EV_FREQUENT_CHECK; |
|
|
2910 | |
2238 | ev_io_stop (EV_A_ &w->io); |
2911 | ev_io_stop (EV_A_ &w->io); |
2239 | ev_prepare_stop (EV_A_ &w->prepare); |
2912 | ev_prepare_stop (EV_A_ &w->prepare); |
|
|
2913 | ev_fork_stop (EV_A_ &w->fork); |
2240 | |
2914 | |
2241 | ev_stop (EV_A_ (W)w); |
2915 | EV_FREQUENT_CHECK; |
2242 | } |
2916 | } |
2243 | #endif |
2917 | #endif |
2244 | |
2918 | |
2245 | #if EV_FORK_ENABLE |
2919 | #if EV_FORK_ENABLE |
2246 | void |
2920 | void |
2247 | ev_fork_start (EV_P_ ev_fork *w) |
2921 | ev_fork_start (EV_P_ ev_fork *w) |
2248 | { |
2922 | { |
2249 | if (expect_false (ev_is_active (w))) |
2923 | if (expect_false (ev_is_active (w))) |
2250 | return; |
2924 | return; |
|
|
2925 | |
|
|
2926 | EV_FREQUENT_CHECK; |
2251 | |
2927 | |
2252 | ev_start (EV_A_ (W)w, ++forkcnt); |
2928 | ev_start (EV_A_ (W)w, ++forkcnt); |
2253 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2929 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2254 | forks [forkcnt - 1] = w; |
2930 | forks [forkcnt - 1] = w; |
|
|
2931 | |
|
|
2932 | EV_FREQUENT_CHECK; |
2255 | } |
2933 | } |
2256 | |
2934 | |
2257 | void |
2935 | void |
2258 | ev_fork_stop (EV_P_ ev_fork *w) |
2936 | ev_fork_stop (EV_P_ ev_fork *w) |
2259 | { |
2937 | { |
2260 | clear_pending (EV_A_ (W)w); |
2938 | clear_pending (EV_A_ (W)w); |
2261 | if (expect_false (!ev_is_active (w))) |
2939 | if (expect_false (!ev_is_active (w))) |
2262 | return; |
2940 | return; |
2263 | |
2941 | |
|
|
2942 | EV_FREQUENT_CHECK; |
|
|
2943 | |
2264 | { |
2944 | { |
2265 | int active = ((W)w)->active; |
2945 | int active = ev_active (w); |
|
|
2946 | |
2266 | forks [active - 1] = forks [--forkcnt]; |
2947 | forks [active - 1] = forks [--forkcnt]; |
2267 | ((W)forks [active - 1])->active = active; |
2948 | ev_active (forks [active - 1]) = active; |
2268 | } |
2949 | } |
2269 | |
2950 | |
2270 | ev_stop (EV_A_ (W)w); |
2951 | ev_stop (EV_A_ (W)w); |
|
|
2952 | |
|
|
2953 | EV_FREQUENT_CHECK; |
|
|
2954 | } |
|
|
2955 | #endif |
|
|
2956 | |
|
|
2957 | #if EV_ASYNC_ENABLE |
|
|
2958 | void |
|
|
2959 | ev_async_start (EV_P_ ev_async *w) |
|
|
2960 | { |
|
|
2961 | if (expect_false (ev_is_active (w))) |
|
|
2962 | return; |
|
|
2963 | |
|
|
2964 | evpipe_init (EV_A); |
|
|
2965 | |
|
|
2966 | EV_FREQUENT_CHECK; |
|
|
2967 | |
|
|
2968 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
2969 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
2970 | asyncs [asynccnt - 1] = w; |
|
|
2971 | |
|
|
2972 | EV_FREQUENT_CHECK; |
|
|
2973 | } |
|
|
2974 | |
|
|
2975 | void |
|
|
2976 | ev_async_stop (EV_P_ ev_async *w) |
|
|
2977 | { |
|
|
2978 | clear_pending (EV_A_ (W)w); |
|
|
2979 | if (expect_false (!ev_is_active (w))) |
|
|
2980 | return; |
|
|
2981 | |
|
|
2982 | EV_FREQUENT_CHECK; |
|
|
2983 | |
|
|
2984 | { |
|
|
2985 | int active = ev_active (w); |
|
|
2986 | |
|
|
2987 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
2988 | ev_active (asyncs [active - 1]) = active; |
|
|
2989 | } |
|
|
2990 | |
|
|
2991 | ev_stop (EV_A_ (W)w); |
|
|
2992 | |
|
|
2993 | EV_FREQUENT_CHECK; |
|
|
2994 | } |
|
|
2995 | |
|
|
2996 | void |
|
|
2997 | ev_async_send (EV_P_ ev_async *w) |
|
|
2998 | { |
|
|
2999 | w->sent = 1; |
|
|
3000 | evpipe_write (EV_A_ &gotasync); |
2271 | } |
3001 | } |
2272 | #endif |
3002 | #endif |
2273 | |
3003 | |
2274 | /*****************************************************************************/ |
3004 | /*****************************************************************************/ |
2275 | |
3005 | |
… | |
… | |
2285 | once_cb (EV_P_ struct ev_once *once, int revents) |
3015 | once_cb (EV_P_ struct ev_once *once, int revents) |
2286 | { |
3016 | { |
2287 | void (*cb)(int revents, void *arg) = once->cb; |
3017 | void (*cb)(int revents, void *arg) = once->cb; |
2288 | void *arg = once->arg; |
3018 | void *arg = once->arg; |
2289 | |
3019 | |
2290 | ev_io_stop (EV_A_ &once->io); |
3020 | ev_io_stop (EV_A_ &once->io); |
2291 | ev_timer_stop (EV_A_ &once->to); |
3021 | ev_timer_stop (EV_A_ &once->to); |
2292 | ev_free (once); |
3022 | ev_free (once); |
2293 | |
3023 | |
2294 | cb (revents, arg); |
3024 | cb (revents, arg); |
2295 | } |
3025 | } |
2296 | |
3026 | |
2297 | static void |
3027 | static void |
2298 | once_cb_io (EV_P_ ev_io *w, int revents) |
3028 | once_cb_io (EV_P_ ev_io *w, int revents) |
2299 | { |
3029 | { |
2300 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
3030 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)); |
|
|
3031 | |
|
|
3032 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->to)); |
2301 | } |
3033 | } |
2302 | |
3034 | |
2303 | static void |
3035 | static void |
2304 | once_cb_to (EV_P_ ev_timer *w, int revents) |
3036 | once_cb_to (EV_P_ ev_timer *w, int revents) |
2305 | { |
3037 | { |
2306 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
3038 | struct ev_once *once = (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)); |
|
|
3039 | |
|
|
3040 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
2307 | } |
3041 | } |
2308 | |
3042 | |
2309 | void |
3043 | void |
2310 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
3044 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2311 | { |
3045 | { |