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> |
… | |
… | |
136 | # ifndef EV_SELECT_IS_WINSOCKET |
161 | # ifndef EV_SELECT_IS_WINSOCKET |
137 | # define EV_SELECT_IS_WINSOCKET 1 |
162 | # define EV_SELECT_IS_WINSOCKET 1 |
138 | # endif |
163 | # endif |
139 | #endif |
164 | #endif |
140 | |
165 | |
141 | /**/ |
166 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
142 | |
167 | |
143 | #ifndef EV_USE_MONOTONIC |
168 | #ifndef EV_USE_MONOTONIC |
144 | # define EV_USE_MONOTONIC 0 |
169 | # define EV_USE_MONOTONIC 0 |
145 | #endif |
170 | #endif |
146 | |
171 | |
147 | #ifndef EV_USE_REALTIME |
172 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
173 | # define EV_USE_REALTIME 0 |
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174 | #endif |
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175 | |
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176 | #ifndef EV_USE_NANOSLEEP |
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177 | # define EV_USE_NANOSLEEP 0 |
149 | #endif |
178 | #endif |
150 | |
179 | |
151 | #ifndef EV_USE_SELECT |
180 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
181 | # define EV_USE_SELECT 1 |
153 | #endif |
182 | #endif |
… | |
… | |
159 | # define EV_USE_POLL 1 |
188 | # define EV_USE_POLL 1 |
160 | # endif |
189 | # endif |
161 | #endif |
190 | #endif |
162 | |
191 | |
163 | #ifndef EV_USE_EPOLL |
192 | #ifndef EV_USE_EPOLL |
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193 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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194 | # define EV_USE_EPOLL 1 |
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195 | # else |
164 | # define EV_USE_EPOLL 0 |
196 | # define EV_USE_EPOLL 0 |
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197 | # endif |
165 | #endif |
198 | #endif |
166 | |
199 | |
167 | #ifndef EV_USE_KQUEUE |
200 | #ifndef EV_USE_KQUEUE |
168 | # define EV_USE_KQUEUE 0 |
201 | # define EV_USE_KQUEUE 0 |
169 | #endif |
202 | #endif |
… | |
… | |
171 | #ifndef EV_USE_PORT |
204 | #ifndef EV_USE_PORT |
172 | # define EV_USE_PORT 0 |
205 | # define EV_USE_PORT 0 |
173 | #endif |
206 | #endif |
174 | |
207 | |
175 | #ifndef EV_USE_INOTIFY |
208 | #ifndef EV_USE_INOTIFY |
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209 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
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210 | # define EV_USE_INOTIFY 1 |
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211 | # else |
176 | # define EV_USE_INOTIFY 0 |
212 | # define EV_USE_INOTIFY 0 |
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213 | # endif |
177 | #endif |
214 | #endif |
178 | |
215 | |
179 | #ifndef EV_PID_HASHSIZE |
216 | #ifndef EV_PID_HASHSIZE |
180 | # if EV_MINIMAL |
217 | # if EV_MINIMAL |
181 | # define EV_PID_HASHSIZE 1 |
218 | # define EV_PID_HASHSIZE 1 |
… | |
… | |
190 | # else |
227 | # else |
191 | # define EV_INOTIFY_HASHSIZE 16 |
228 | # define EV_INOTIFY_HASHSIZE 16 |
192 | # endif |
229 | # endif |
193 | #endif |
230 | #endif |
194 | |
231 | |
195 | /**/ |
232 | #ifndef EV_USE_EVENTFD |
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233 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) |
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234 | # define EV_USE_EVENTFD 1 |
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235 | # else |
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236 | # define EV_USE_EVENTFD 0 |
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237 | # endif |
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238 | #endif |
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239 | |
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240 | #if 0 /* debugging */ |
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241 | # define EV_VERIFY 3 |
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242 | # define EV_USE_4HEAP 1 |
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243 | # define EV_HEAP_CACHE_AT 1 |
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244 | #endif |
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245 | |
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246 | #ifndef EV_VERIFY |
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247 | # define EV_VERIFY !EV_MINIMAL |
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248 | #endif |
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249 | |
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250 | #ifndef EV_USE_4HEAP |
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251 | # define EV_USE_4HEAP !EV_MINIMAL |
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252 | #endif |
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253 | |
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254 | #ifndef EV_HEAP_CACHE_AT |
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255 | # define EV_HEAP_CACHE_AT !EV_MINIMAL |
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256 | #endif |
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257 | |
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258 | /* this block fixes any misconfiguration where we know we run into trouble otherwise */ |
196 | |
259 | |
197 | #ifndef CLOCK_MONOTONIC |
260 | #ifndef CLOCK_MONOTONIC |
198 | # undef EV_USE_MONOTONIC |
261 | # undef EV_USE_MONOTONIC |
199 | # define EV_USE_MONOTONIC 0 |
262 | # define EV_USE_MONOTONIC 0 |
200 | #endif |
263 | #endif |
… | |
… | |
202 | #ifndef CLOCK_REALTIME |
265 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
266 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
267 | # define EV_USE_REALTIME 0 |
205 | #endif |
268 | #endif |
206 | |
269 | |
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270 | #if !EV_STAT_ENABLE |
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271 | # undef EV_USE_INOTIFY |
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272 | # define EV_USE_INOTIFY 0 |
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273 | #endif |
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274 | |
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275 | #if !EV_USE_NANOSLEEP |
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276 | # ifndef _WIN32 |
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277 | # include <sys/select.h> |
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278 | # endif |
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279 | #endif |
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280 | |
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281 | #if EV_USE_INOTIFY |
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282 | # include <sys/inotify.h> |
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283 | #endif |
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284 | |
207 | #if EV_SELECT_IS_WINSOCKET |
285 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
286 | # include <winsock.h> |
209 | #endif |
287 | #endif |
210 | |
288 | |
211 | #if !EV_STAT_ENABLE |
289 | #if EV_USE_EVENTFD |
212 | # define EV_USE_INOTIFY 0 |
290 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
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291 | # include <stdint.h> |
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292 | # ifdef __cplusplus |
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293 | extern "C" { |
213 | #endif |
294 | # endif |
214 | |
295 | int eventfd (unsigned int initval, int flags); |
215 | #if EV_USE_INOTIFY |
296 | # ifdef __cplusplus |
216 | # include <sys/inotify.h> |
297 | } |
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298 | # endif |
217 | #endif |
299 | #endif |
218 | |
300 | |
219 | /**/ |
301 | /**/ |
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302 | |
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303 | #if EV_VERIFY >= 3 |
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304 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
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305 | #else |
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306 | # define EV_FREQUENT_CHECK do { } while (0) |
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307 | #endif |
220 | |
308 | |
221 | /* |
309 | /* |
222 | * This is used to avoid floating point rounding problems. |
310 | * This is used to avoid floating point rounding problems. |
223 | * It is added to ev_rt_now when scheduling periodics |
311 | * It is added to ev_rt_now when scheduling periodics |
224 | * to ensure progress, time-wise, even when rounding |
312 | * to ensure progress, time-wise, even when rounding |
… | |
… | |
230 | |
318 | |
231 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
319 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
232 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
320 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
321 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
234 | |
322 | |
235 | #if __GNUC__ >= 3 |
323 | #if __GNUC__ >= 4 |
236 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
324 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
237 | # define noinline __attribute__ ((noinline)) |
325 | # define noinline __attribute__ ((noinline)) |
238 | #else |
326 | #else |
239 | # define expect(expr,value) (expr) |
327 | # define expect(expr,value) (expr) |
240 | # define noinline |
328 | # define noinline |
241 | # if __STDC_VERSION__ < 199901L |
329 | # if __STDC_VERSION__ < 199901L && __GNUC__ < 2 |
242 | # define inline |
330 | # define inline |
243 | # endif |
331 | # endif |
244 | #endif |
332 | #endif |
245 | |
333 | |
246 | #define expect_false(expr) expect ((expr) != 0, 0) |
334 | #define expect_false(expr) expect ((expr) != 0, 0) |
… | |
… | |
261 | |
349 | |
262 | typedef ev_watcher *W; |
350 | typedef ev_watcher *W; |
263 | typedef ev_watcher_list *WL; |
351 | typedef ev_watcher_list *WL; |
264 | typedef ev_watcher_time *WT; |
352 | typedef ev_watcher_time *WT; |
265 | |
353 | |
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354 | #define ev_active(w) ((W)(w))->active |
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355 | #define ev_at(w) ((WT)(w))->at |
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356 | |
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357 | #if EV_USE_MONOTONIC |
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358 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
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359 | /* giving it a reasonably high chance of working on typical architetcures */ |
266 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
360 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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361 | #endif |
267 | |
362 | |
268 | #ifdef _WIN32 |
363 | #ifdef _WIN32 |
269 | # include "ev_win32.c" |
364 | # include "ev_win32.c" |
270 | #endif |
365 | #endif |
271 | |
366 | |
… | |
… | |
292 | perror (msg); |
387 | perror (msg); |
293 | abort (); |
388 | abort (); |
294 | } |
389 | } |
295 | } |
390 | } |
296 | |
391 | |
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392 | static void * |
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393 | ev_realloc_emul (void *ptr, long size) |
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394 | { |
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395 | /* some systems, notably openbsd and darwin, fail to properly |
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396 | * implement realloc (x, 0) (as required by both ansi c-98 and |
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397 | * the single unix specification, so work around them here. |
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398 | */ |
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399 | |
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400 | if (size) |
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401 | return realloc (ptr, size); |
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402 | |
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403 | free (ptr); |
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404 | return 0; |
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405 | } |
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406 | |
297 | static void *(*alloc)(void *ptr, long size); |
407 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
298 | |
408 | |
299 | void |
409 | void |
300 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
410 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
301 | { |
411 | { |
302 | alloc = cb; |
412 | alloc = cb; |
303 | } |
413 | } |
304 | |
414 | |
305 | inline_speed void * |
415 | inline_speed void * |
306 | ev_realloc (void *ptr, long size) |
416 | ev_realloc (void *ptr, long size) |
307 | { |
417 | { |
308 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
418 | ptr = alloc (ptr, size); |
309 | |
419 | |
310 | if (!ptr && size) |
420 | if (!ptr && size) |
311 | { |
421 | { |
312 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
422 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
313 | abort (); |
423 | abort (); |
… | |
… | |
336 | W w; |
446 | W w; |
337 | int events; |
447 | int events; |
338 | } ANPENDING; |
448 | } ANPENDING; |
339 | |
449 | |
340 | #if EV_USE_INOTIFY |
450 | #if EV_USE_INOTIFY |
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451 | /* hash table entry per inotify-id */ |
341 | typedef struct |
452 | typedef struct |
342 | { |
453 | { |
343 | WL head; |
454 | WL head; |
344 | } ANFS; |
455 | } ANFS; |
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456 | #endif |
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457 | |
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458 | /* Heap Entry */ |
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459 | #if EV_HEAP_CACHE_AT |
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460 | typedef struct { |
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461 | ev_tstamp at; |
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462 | WT w; |
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463 | } ANHE; |
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464 | |
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465 | #define ANHE_w(he) (he).w /* access watcher, read-write */ |
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466 | #define ANHE_at(he) (he).at /* access cached at, read-only */ |
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467 | #define ANHE_at_cache(he) (he).at = (he).w->at /* update at from watcher */ |
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468 | #else |
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469 | typedef WT ANHE; |
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470 | |
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471 | #define ANHE_w(he) (he) |
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472 | #define ANHE_at(he) (he)->at |
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473 | #define ANHE_at_cache(he) |
345 | #endif |
474 | #endif |
346 | |
475 | |
347 | #if EV_MULTIPLICITY |
476 | #if EV_MULTIPLICITY |
348 | |
477 | |
349 | struct ev_loop |
478 | struct ev_loop |
… | |
… | |
407 | { |
536 | { |
408 | return ev_rt_now; |
537 | return ev_rt_now; |
409 | } |
538 | } |
410 | #endif |
539 | #endif |
411 | |
540 | |
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541 | void |
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542 | ev_sleep (ev_tstamp delay) |
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543 | { |
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544 | if (delay > 0.) |
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545 | { |
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546 | #if EV_USE_NANOSLEEP |
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547 | struct timespec ts; |
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548 | |
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549 | ts.tv_sec = (time_t)delay; |
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550 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
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551 | |
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552 | nanosleep (&ts, 0); |
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553 | #elif defined(_WIN32) |
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554 | Sleep ((unsigned long)(delay * 1e3)); |
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555 | #else |
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556 | struct timeval tv; |
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557 | |
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558 | tv.tv_sec = (time_t)delay; |
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559 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
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560 | |
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561 | select (0, 0, 0, 0, &tv); |
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562 | #endif |
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563 | } |
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564 | } |
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565 | |
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566 | /*****************************************************************************/ |
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567 | |
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568 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
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569 | |
412 | int inline_size |
570 | int inline_size |
413 | array_nextsize (int elem, int cur, int cnt) |
571 | array_nextsize (int elem, int cur, int cnt) |
414 | { |
572 | { |
415 | int ncur = cur + 1; |
573 | int ncur = cur + 1; |
416 | |
574 | |
417 | do |
575 | do |
418 | ncur <<= 1; |
576 | ncur <<= 1; |
419 | while (cnt > ncur); |
577 | while (cnt > ncur); |
420 | |
578 | |
421 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
579 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
422 | if (elem * ncur > 4096) |
580 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
423 | { |
581 | { |
424 | ncur *= elem; |
582 | ncur *= elem; |
425 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
583 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
426 | ncur = ncur - sizeof (void *) * 4; |
584 | ncur = ncur - sizeof (void *) * 4; |
427 | ncur /= elem; |
585 | ncur /= elem; |
428 | } |
586 | } |
429 | |
587 | |
430 | return ncur; |
588 | return ncur; |
… | |
… | |
542 | |
700 | |
543 | #if EV_SELECT_IS_WINSOCKET |
701 | #if EV_SELECT_IS_WINSOCKET |
544 | if (events) |
702 | if (events) |
545 | { |
703 | { |
546 | unsigned long argp; |
704 | unsigned long argp; |
|
|
705 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
706 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
707 | #else |
547 | anfd->handle = _get_osfhandle (fd); |
708 | anfd->handle = _get_osfhandle (fd); |
|
|
709 | #endif |
548 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
710 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
549 | } |
711 | } |
550 | #endif |
712 | #endif |
551 | |
713 | |
552 | { |
714 | { |
… | |
… | |
640 | } |
802 | } |
641 | } |
803 | } |
642 | |
804 | |
643 | /*****************************************************************************/ |
805 | /*****************************************************************************/ |
644 | |
806 | |
|
|
807 | /* |
|
|
808 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
|
|
809 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
|
|
810 | * the branching factor of the d-tree. |
|
|
811 | */ |
|
|
812 | |
|
|
813 | /* |
|
|
814 | * at the moment we allow libev the luxury of two heaps, |
|
|
815 | * a small-code-size 2-heap one and a ~1.5kb larger 4-heap |
|
|
816 | * which is more cache-efficient. |
|
|
817 | * the difference is about 5% with 50000+ watchers. |
|
|
818 | */ |
|
|
819 | #if EV_USE_4HEAP |
|
|
820 | |
|
|
821 | #define DHEAP 4 |
|
|
822 | #define HEAP0 (DHEAP - 1) /* index of first element in heap */ |
|
|
823 | #define HPARENT(k) ((((k) - HEAP0 - 1) / DHEAP) + HEAP0) |
|
|
824 | #define UPHEAP_DONE(p,k) ((p) == (k)) |
|
|
825 | |
|
|
826 | /* away from the root */ |
645 | void inline_speed |
827 | void inline_speed |
646 | upheap (WT *heap, int k) |
828 | downheap (ANHE *heap, int N, int k) |
647 | { |
829 | { |
648 | WT w = heap [k]; |
830 | ANHE he = heap [k]; |
|
|
831 | ANHE *E = heap + N + HEAP0; |
649 | |
832 | |
650 | while (k) |
833 | for (;;) |
651 | { |
834 | { |
652 | int p = (k - 1) >> 1; |
835 | ev_tstamp minat; |
|
|
836 | ANHE *minpos; |
|
|
837 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
653 | |
838 | |
654 | if (heap [p]->at <= w->at) |
839 | /* find minimum child */ |
|
|
840 | if (expect_true (pos + DHEAP - 1 < E)) |
|
|
841 | { |
|
|
842 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
843 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
844 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
845 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
846 | } |
|
|
847 | else if (pos < E) |
|
|
848 | { |
|
|
849 | /* slow path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
|
|
850 | if (pos + 1 < E && ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
|
|
851 | if (pos + 2 < E && ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
|
|
852 | if (pos + 3 < E && ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
|
|
853 | } |
|
|
854 | else |
655 | break; |
855 | break; |
656 | |
856 | |
|
|
857 | if (ANHE_at (he) <= minat) |
|
|
858 | break; |
|
|
859 | |
|
|
860 | heap [k] = *minpos; |
|
|
861 | ev_active (ANHE_w (*minpos)) = k; |
|
|
862 | |
|
|
863 | k = minpos - heap; |
|
|
864 | } |
|
|
865 | |
|
|
866 | heap [k] = he; |
|
|
867 | ev_active (ANHE_w (he)) = k; |
|
|
868 | } |
|
|
869 | |
|
|
870 | #else /* 4HEAP */ |
|
|
871 | |
|
|
872 | #define HEAP0 1 |
|
|
873 | #define HPARENT(k) ((k) >> 1) |
|
|
874 | #define UPHEAP_DONE(p,k) (!(p)) |
|
|
875 | |
|
|
876 | /* away from the root */ |
|
|
877 | void inline_speed |
|
|
878 | downheap (ANHE *heap, int N, int k) |
|
|
879 | { |
|
|
880 | ANHE he = heap [k]; |
|
|
881 | |
|
|
882 | for (;;) |
|
|
883 | { |
|
|
884 | int c = k << 1; |
|
|
885 | |
|
|
886 | if (c > N + HEAP0 - 1) |
|
|
887 | break; |
|
|
888 | |
|
|
889 | c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) |
|
|
890 | ? 1 : 0; |
|
|
891 | |
|
|
892 | if (ANHE_at (he) <= ANHE_at (heap [c])) |
|
|
893 | break; |
|
|
894 | |
|
|
895 | heap [k] = heap [c]; |
|
|
896 | ev_active (ANHE_w (heap [k])) = k; |
|
|
897 | |
|
|
898 | k = c; |
|
|
899 | } |
|
|
900 | |
|
|
901 | heap [k] = he; |
|
|
902 | ev_active (ANHE_w (he)) = k; |
|
|
903 | } |
|
|
904 | #endif |
|
|
905 | |
|
|
906 | /* towards the root */ |
|
|
907 | void inline_speed |
|
|
908 | upheap (ANHE *heap, int k) |
|
|
909 | { |
|
|
910 | ANHE he = heap [k]; |
|
|
911 | |
|
|
912 | for (;;) |
|
|
913 | { |
|
|
914 | int p = HPARENT (k); |
|
|
915 | |
|
|
916 | if (UPHEAP_DONE (p, k) || ANHE_at (heap [p]) <= ANHE_at (he)) |
|
|
917 | break; |
|
|
918 | |
657 | heap [k] = heap [p]; |
919 | heap [k] = heap [p]; |
658 | ((W)heap [k])->active = k + 1; |
920 | ev_active (ANHE_w (heap [k])) = k; |
659 | k = p; |
921 | k = p; |
660 | } |
922 | } |
661 | |
923 | |
662 | heap [k] = w; |
924 | heap [k] = he; |
663 | ((W)heap [k])->active = k + 1; |
925 | ev_active (ANHE_w (he)) = k; |
664 | } |
|
|
665 | |
|
|
666 | void inline_speed |
|
|
667 | downheap (WT *heap, int N, int k) |
|
|
668 | { |
|
|
669 | WT w = heap [k]; |
|
|
670 | |
|
|
671 | for (;;) |
|
|
672 | { |
|
|
673 | int c = (k << 1) + 1; |
|
|
674 | |
|
|
675 | if (c >= N) |
|
|
676 | break; |
|
|
677 | |
|
|
678 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
679 | ? 1 : 0; |
|
|
680 | |
|
|
681 | if (w->at <= heap [c]->at) |
|
|
682 | break; |
|
|
683 | |
|
|
684 | heap [k] = heap [c]; |
|
|
685 | ((W)heap [k])->active = k + 1; |
|
|
686 | |
|
|
687 | k = c; |
|
|
688 | } |
|
|
689 | |
|
|
690 | heap [k] = w; |
|
|
691 | ((W)heap [k])->active = k + 1; |
|
|
692 | } |
926 | } |
693 | |
927 | |
694 | void inline_size |
928 | void inline_size |
695 | adjustheap (WT *heap, int N, int k) |
929 | adjustheap (ANHE *heap, int N, int k) |
696 | { |
930 | { |
|
|
931 | if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) |
697 | upheap (heap, k); |
932 | upheap (heap, k); |
|
|
933 | else |
698 | downheap (heap, N, k); |
934 | downheap (heap, N, k); |
|
|
935 | } |
|
|
936 | |
|
|
937 | /* rebuild the heap: this function is used only once and executed rarely */ |
|
|
938 | void inline_size |
|
|
939 | reheap (ANHE *heap, int N) |
|
|
940 | { |
|
|
941 | int i; |
|
|
942 | |
|
|
943 | /* we don't use floyds algorithm, upheap is simpler and is more cache-efficient */ |
|
|
944 | /* also, this is easy to implement and correct for both 2-heaps and 4-heaps */ |
|
|
945 | for (i = 0; i < N; ++i) |
|
|
946 | upheap (heap, i + HEAP0); |
699 | } |
947 | } |
700 | |
948 | |
701 | /*****************************************************************************/ |
949 | /*****************************************************************************/ |
702 | |
950 | |
703 | typedef struct |
951 | typedef struct |
704 | { |
952 | { |
705 | WL head; |
953 | WL head; |
706 | sig_atomic_t volatile gotsig; |
954 | EV_ATOMIC_T gotsig; |
707 | } ANSIG; |
955 | } ANSIG; |
708 | |
956 | |
709 | static ANSIG *signals; |
957 | static ANSIG *signals; |
710 | static int signalmax; |
958 | static int signalmax; |
711 | |
959 | |
712 | static int sigpipe [2]; |
960 | static EV_ATOMIC_T gotsig; |
713 | static sig_atomic_t volatile gotsig; |
|
|
714 | static ev_io sigev; |
|
|
715 | |
961 | |
716 | void inline_size |
962 | void inline_size |
717 | signals_init (ANSIG *base, int count) |
963 | signals_init (ANSIG *base, int count) |
718 | { |
964 | { |
719 | while (count--) |
965 | while (count--) |
… | |
… | |
723 | |
969 | |
724 | ++base; |
970 | ++base; |
725 | } |
971 | } |
726 | } |
972 | } |
727 | |
973 | |
728 | static void |
974 | /*****************************************************************************/ |
729 | sighandler (int signum) |
|
|
730 | { |
|
|
731 | #if _WIN32 |
|
|
732 | signal (signum, sighandler); |
|
|
733 | #endif |
|
|
734 | |
|
|
735 | signals [signum - 1].gotsig = 1; |
|
|
736 | |
|
|
737 | if (!gotsig) |
|
|
738 | { |
|
|
739 | int old_errno = errno; |
|
|
740 | gotsig = 1; |
|
|
741 | write (sigpipe [1], &signum, 1); |
|
|
742 | errno = old_errno; |
|
|
743 | } |
|
|
744 | } |
|
|
745 | |
|
|
746 | void noinline |
|
|
747 | ev_feed_signal_event (EV_P_ int signum) |
|
|
748 | { |
|
|
749 | WL w; |
|
|
750 | |
|
|
751 | #if EV_MULTIPLICITY |
|
|
752 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
753 | #endif |
|
|
754 | |
|
|
755 | --signum; |
|
|
756 | |
|
|
757 | if (signum < 0 || signum >= signalmax) |
|
|
758 | return; |
|
|
759 | |
|
|
760 | signals [signum].gotsig = 0; |
|
|
761 | |
|
|
762 | for (w = signals [signum].head; w; w = w->next) |
|
|
763 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
764 | } |
|
|
765 | |
|
|
766 | static void |
|
|
767 | sigcb (EV_P_ ev_io *iow, int revents) |
|
|
768 | { |
|
|
769 | int signum; |
|
|
770 | |
|
|
771 | read (sigpipe [0], &revents, 1); |
|
|
772 | gotsig = 0; |
|
|
773 | |
|
|
774 | for (signum = signalmax; signum--; ) |
|
|
775 | if (signals [signum].gotsig) |
|
|
776 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
777 | } |
|
|
778 | |
975 | |
779 | void inline_speed |
976 | void inline_speed |
780 | fd_intern (int fd) |
977 | fd_intern (int fd) |
781 | { |
978 | { |
782 | #ifdef _WIN32 |
979 | #ifdef _WIN32 |
… | |
… | |
787 | fcntl (fd, F_SETFL, O_NONBLOCK); |
984 | fcntl (fd, F_SETFL, O_NONBLOCK); |
788 | #endif |
985 | #endif |
789 | } |
986 | } |
790 | |
987 | |
791 | static void noinline |
988 | static void noinline |
792 | siginit (EV_P) |
989 | evpipe_init (EV_P) |
793 | { |
990 | { |
|
|
991 | if (!ev_is_active (&pipeev)) |
|
|
992 | { |
|
|
993 | #if EV_USE_EVENTFD |
|
|
994 | if ((evfd = eventfd (0, 0)) >= 0) |
|
|
995 | { |
|
|
996 | evpipe [0] = -1; |
|
|
997 | fd_intern (evfd); |
|
|
998 | ev_io_set (&pipeev, evfd, EV_READ); |
|
|
999 | } |
|
|
1000 | else |
|
|
1001 | #endif |
|
|
1002 | { |
|
|
1003 | while (pipe (evpipe)) |
|
|
1004 | syserr ("(libev) error creating signal/async pipe"); |
|
|
1005 | |
794 | fd_intern (sigpipe [0]); |
1006 | fd_intern (evpipe [0]); |
795 | fd_intern (sigpipe [1]); |
1007 | fd_intern (evpipe [1]); |
|
|
1008 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
|
|
1009 | } |
796 | |
1010 | |
797 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
|
|
798 | ev_io_start (EV_A_ &sigev); |
1011 | ev_io_start (EV_A_ &pipeev); |
799 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1012 | ev_unref (EV_A); /* watcher should not keep loop alive */ |
|
|
1013 | } |
|
|
1014 | } |
|
|
1015 | |
|
|
1016 | void inline_size |
|
|
1017 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
|
|
1018 | { |
|
|
1019 | if (!*flag) |
|
|
1020 | { |
|
|
1021 | int old_errno = errno; /* save errno because write might clobber it */ |
|
|
1022 | |
|
|
1023 | *flag = 1; |
|
|
1024 | |
|
|
1025 | #if EV_USE_EVENTFD |
|
|
1026 | if (evfd >= 0) |
|
|
1027 | { |
|
|
1028 | uint64_t counter = 1; |
|
|
1029 | write (evfd, &counter, sizeof (uint64_t)); |
|
|
1030 | } |
|
|
1031 | else |
|
|
1032 | #endif |
|
|
1033 | write (evpipe [1], &old_errno, 1); |
|
|
1034 | |
|
|
1035 | errno = old_errno; |
|
|
1036 | } |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | static void |
|
|
1040 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
1041 | { |
|
|
1042 | #if EV_USE_EVENTFD |
|
|
1043 | if (evfd >= 0) |
|
|
1044 | { |
|
|
1045 | uint64_t counter; |
|
|
1046 | read (evfd, &counter, sizeof (uint64_t)); |
|
|
1047 | } |
|
|
1048 | else |
|
|
1049 | #endif |
|
|
1050 | { |
|
|
1051 | char dummy; |
|
|
1052 | read (evpipe [0], &dummy, 1); |
|
|
1053 | } |
|
|
1054 | |
|
|
1055 | if (gotsig && ev_is_default_loop (EV_A)) |
|
|
1056 | { |
|
|
1057 | int signum; |
|
|
1058 | gotsig = 0; |
|
|
1059 | |
|
|
1060 | for (signum = signalmax; signum--; ) |
|
|
1061 | if (signals [signum].gotsig) |
|
|
1062 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
1063 | } |
|
|
1064 | |
|
|
1065 | #if EV_ASYNC_ENABLE |
|
|
1066 | if (gotasync) |
|
|
1067 | { |
|
|
1068 | int i; |
|
|
1069 | gotasync = 0; |
|
|
1070 | |
|
|
1071 | for (i = asynccnt; i--; ) |
|
|
1072 | if (asyncs [i]->sent) |
|
|
1073 | { |
|
|
1074 | asyncs [i]->sent = 0; |
|
|
1075 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
1076 | } |
|
|
1077 | } |
|
|
1078 | #endif |
800 | } |
1079 | } |
801 | |
1080 | |
802 | /*****************************************************************************/ |
1081 | /*****************************************************************************/ |
803 | |
1082 | |
|
|
1083 | static void |
|
|
1084 | ev_sighandler (int signum) |
|
|
1085 | { |
|
|
1086 | #if EV_MULTIPLICITY |
|
|
1087 | struct ev_loop *loop = &default_loop_struct; |
|
|
1088 | #endif |
|
|
1089 | |
|
|
1090 | #if _WIN32 |
|
|
1091 | signal (signum, ev_sighandler); |
|
|
1092 | #endif |
|
|
1093 | |
|
|
1094 | signals [signum - 1].gotsig = 1; |
|
|
1095 | evpipe_write (EV_A_ &gotsig); |
|
|
1096 | } |
|
|
1097 | |
|
|
1098 | void noinline |
|
|
1099 | ev_feed_signal_event (EV_P_ int signum) |
|
|
1100 | { |
|
|
1101 | WL w; |
|
|
1102 | |
|
|
1103 | #if EV_MULTIPLICITY |
|
|
1104 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
1105 | #endif |
|
|
1106 | |
|
|
1107 | --signum; |
|
|
1108 | |
|
|
1109 | if (signum < 0 || signum >= signalmax) |
|
|
1110 | return; |
|
|
1111 | |
|
|
1112 | signals [signum].gotsig = 0; |
|
|
1113 | |
|
|
1114 | for (w = signals [signum].head; w; w = w->next) |
|
|
1115 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
1116 | } |
|
|
1117 | |
|
|
1118 | /*****************************************************************************/ |
|
|
1119 | |
804 | static WL childs [EV_PID_HASHSIZE]; |
1120 | static WL childs [EV_PID_HASHSIZE]; |
805 | |
1121 | |
806 | #ifndef _WIN32 |
1122 | #ifndef _WIN32 |
807 | |
1123 | |
808 | static ev_signal childev; |
1124 | static ev_signal childev; |
809 | |
1125 | |
|
|
1126 | #ifndef WIFCONTINUED |
|
|
1127 | # define WIFCONTINUED(status) 0 |
|
|
1128 | #endif |
|
|
1129 | |
810 | void inline_speed |
1130 | void inline_speed |
811 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
1131 | child_reap (EV_P_ int chain, int pid, int status) |
812 | { |
1132 | { |
813 | ev_child *w; |
1133 | ev_child *w; |
|
|
1134 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
814 | |
1135 | |
815 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
1136 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1137 | { |
816 | if (w->pid == pid || !w->pid) |
1138 | if ((w->pid == pid || !w->pid) |
|
|
1139 | && (!traced || (w->flags & 1))) |
817 | { |
1140 | { |
818 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
1141 | ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ |
819 | w->rpid = pid; |
1142 | w->rpid = pid; |
820 | w->rstatus = status; |
1143 | w->rstatus = status; |
821 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
1144 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
822 | } |
1145 | } |
|
|
1146 | } |
823 | } |
1147 | } |
824 | |
1148 | |
825 | #ifndef WCONTINUED |
1149 | #ifndef WCONTINUED |
826 | # define WCONTINUED 0 |
1150 | # define WCONTINUED 0 |
827 | #endif |
1151 | #endif |
… | |
… | |
836 | if (!WCONTINUED |
1160 | if (!WCONTINUED |
837 | || errno != EINVAL |
1161 | || errno != EINVAL |
838 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
1162 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
839 | return; |
1163 | return; |
840 | |
1164 | |
841 | /* make sure we are called again until all childs have been reaped */ |
1165 | /* make sure we are called again until all children have been reaped */ |
842 | /* we need to do it this way so that the callback gets called before we continue */ |
1166 | /* we need to do it this way so that the callback gets called before we continue */ |
843 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
1167 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
844 | |
1168 | |
845 | child_reap (EV_A_ sw, pid, pid, status); |
1169 | child_reap (EV_A_ pid, pid, status); |
846 | if (EV_PID_HASHSIZE > 1) |
1170 | if (EV_PID_HASHSIZE > 1) |
847 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
1171 | child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
848 | } |
1172 | } |
849 | |
1173 | |
850 | #endif |
1174 | #endif |
851 | |
1175 | |
852 | /*****************************************************************************/ |
1176 | /*****************************************************************************/ |
… | |
… | |
924 | } |
1248 | } |
925 | |
1249 | |
926 | unsigned int |
1250 | unsigned int |
927 | ev_embeddable_backends (void) |
1251 | ev_embeddable_backends (void) |
928 | { |
1252 | { |
929 | return EVBACKEND_EPOLL |
1253 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
930 | | EVBACKEND_KQUEUE |
1254 | |
931 | | EVBACKEND_PORT; |
1255 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
1256 | /* please fix it and tell me how to detect the fix */ |
|
|
1257 | flags &= ~EVBACKEND_EPOLL; |
|
|
1258 | |
|
|
1259 | return flags; |
932 | } |
1260 | } |
933 | |
1261 | |
934 | unsigned int |
1262 | unsigned int |
935 | ev_backend (EV_P) |
1263 | ev_backend (EV_P) |
936 | { |
1264 | { |
… | |
… | |
939 | |
1267 | |
940 | unsigned int |
1268 | unsigned int |
941 | ev_loop_count (EV_P) |
1269 | ev_loop_count (EV_P) |
942 | { |
1270 | { |
943 | return loop_count; |
1271 | return loop_count; |
|
|
1272 | } |
|
|
1273 | |
|
|
1274 | void |
|
|
1275 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1276 | { |
|
|
1277 | io_blocktime = interval; |
|
|
1278 | } |
|
|
1279 | |
|
|
1280 | void |
|
|
1281 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1282 | { |
|
|
1283 | timeout_blocktime = interval; |
944 | } |
1284 | } |
945 | |
1285 | |
946 | static void noinline |
1286 | static void noinline |
947 | loop_init (EV_P_ unsigned int flags) |
1287 | loop_init (EV_P_ unsigned int flags) |
948 | { |
1288 | { |
… | |
… | |
954 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
1294 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
955 | have_monotonic = 1; |
1295 | have_monotonic = 1; |
956 | } |
1296 | } |
957 | #endif |
1297 | #endif |
958 | |
1298 | |
959 | ev_rt_now = ev_time (); |
1299 | ev_rt_now = ev_time (); |
960 | mn_now = get_clock (); |
1300 | mn_now = get_clock (); |
961 | now_floor = mn_now; |
1301 | now_floor = mn_now; |
962 | rtmn_diff = ev_rt_now - mn_now; |
1302 | rtmn_diff = ev_rt_now - mn_now; |
|
|
1303 | |
|
|
1304 | io_blocktime = 0.; |
|
|
1305 | timeout_blocktime = 0.; |
|
|
1306 | backend = 0; |
|
|
1307 | backend_fd = -1; |
|
|
1308 | gotasync = 0; |
|
|
1309 | #if EV_USE_INOTIFY |
|
|
1310 | fs_fd = -2; |
|
|
1311 | #endif |
963 | |
1312 | |
964 | /* pid check not overridable via env */ |
1313 | /* pid check not overridable via env */ |
965 | #ifndef _WIN32 |
1314 | #ifndef _WIN32 |
966 | if (flags & EVFLAG_FORKCHECK) |
1315 | if (flags & EVFLAG_FORKCHECK) |
967 | curpid = getpid (); |
1316 | curpid = getpid (); |
… | |
… | |
970 | if (!(flags & EVFLAG_NOENV) |
1319 | if (!(flags & EVFLAG_NOENV) |
971 | && !enable_secure () |
1320 | && !enable_secure () |
972 | && getenv ("LIBEV_FLAGS")) |
1321 | && getenv ("LIBEV_FLAGS")) |
973 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1322 | flags = atoi (getenv ("LIBEV_FLAGS")); |
974 | |
1323 | |
975 | if (!(flags & 0x0000ffffUL)) |
1324 | if (!(flags & 0x0000ffffU)) |
976 | flags |= ev_recommended_backends (); |
1325 | flags |= ev_recommended_backends (); |
977 | |
|
|
978 | backend = 0; |
|
|
979 | backend_fd = -1; |
|
|
980 | #if EV_USE_INOTIFY |
|
|
981 | fs_fd = -2; |
|
|
982 | #endif |
|
|
983 | |
1326 | |
984 | #if EV_USE_PORT |
1327 | #if EV_USE_PORT |
985 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1328 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
986 | #endif |
1329 | #endif |
987 | #if EV_USE_KQUEUE |
1330 | #if EV_USE_KQUEUE |
… | |
… | |
995 | #endif |
1338 | #endif |
996 | #if EV_USE_SELECT |
1339 | #if EV_USE_SELECT |
997 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1340 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
998 | #endif |
1341 | #endif |
999 | |
1342 | |
1000 | ev_init (&sigev, sigcb); |
1343 | ev_init (&pipeev, pipecb); |
1001 | ev_set_priority (&sigev, EV_MAXPRI); |
1344 | ev_set_priority (&pipeev, EV_MAXPRI); |
1002 | } |
1345 | } |
1003 | } |
1346 | } |
1004 | |
1347 | |
1005 | static void noinline |
1348 | static void noinline |
1006 | loop_destroy (EV_P) |
1349 | loop_destroy (EV_P) |
1007 | { |
1350 | { |
1008 | int i; |
1351 | int i; |
|
|
1352 | |
|
|
1353 | if (ev_is_active (&pipeev)) |
|
|
1354 | { |
|
|
1355 | ev_ref (EV_A); /* signal watcher */ |
|
|
1356 | ev_io_stop (EV_A_ &pipeev); |
|
|
1357 | |
|
|
1358 | #if EV_USE_EVENTFD |
|
|
1359 | if (evfd >= 0) |
|
|
1360 | close (evfd); |
|
|
1361 | #endif |
|
|
1362 | |
|
|
1363 | if (evpipe [0] >= 0) |
|
|
1364 | { |
|
|
1365 | close (evpipe [0]); |
|
|
1366 | close (evpipe [1]); |
|
|
1367 | } |
|
|
1368 | } |
1009 | |
1369 | |
1010 | #if EV_USE_INOTIFY |
1370 | #if EV_USE_INOTIFY |
1011 | if (fs_fd >= 0) |
1371 | if (fs_fd >= 0) |
1012 | close (fs_fd); |
1372 | close (fs_fd); |
1013 | #endif |
1373 | #endif |
… | |
… | |
1036 | array_free (pending, [i]); |
1396 | array_free (pending, [i]); |
1037 | #if EV_IDLE_ENABLE |
1397 | #if EV_IDLE_ENABLE |
1038 | array_free (idle, [i]); |
1398 | array_free (idle, [i]); |
1039 | #endif |
1399 | #endif |
1040 | } |
1400 | } |
|
|
1401 | |
|
|
1402 | ev_free (anfds); anfdmax = 0; |
1041 | |
1403 | |
1042 | /* have to use the microsoft-never-gets-it-right macro */ |
1404 | /* have to use the microsoft-never-gets-it-right macro */ |
1043 | array_free (fdchange, EMPTY); |
1405 | array_free (fdchange, EMPTY); |
1044 | array_free (timer, EMPTY); |
1406 | array_free (timer, EMPTY); |
1045 | #if EV_PERIODIC_ENABLE |
1407 | #if EV_PERIODIC_ENABLE |
1046 | array_free (periodic, EMPTY); |
1408 | array_free (periodic, EMPTY); |
1047 | #endif |
1409 | #endif |
|
|
1410 | #if EV_FORK_ENABLE |
|
|
1411 | array_free (fork, EMPTY); |
|
|
1412 | #endif |
1048 | array_free (prepare, EMPTY); |
1413 | array_free (prepare, EMPTY); |
1049 | array_free (check, EMPTY); |
1414 | array_free (check, EMPTY); |
|
|
1415 | #if EV_ASYNC_ENABLE |
|
|
1416 | array_free (async, EMPTY); |
|
|
1417 | #endif |
1050 | |
1418 | |
1051 | backend = 0; |
1419 | backend = 0; |
1052 | } |
1420 | } |
1053 | |
1421 | |
|
|
1422 | #if EV_USE_INOTIFY |
1054 | void inline_size infy_fork (EV_P); |
1423 | void inline_size infy_fork (EV_P); |
|
|
1424 | #endif |
1055 | |
1425 | |
1056 | void inline_size |
1426 | void inline_size |
1057 | loop_fork (EV_P) |
1427 | loop_fork (EV_P) |
1058 | { |
1428 | { |
1059 | #if EV_USE_PORT |
1429 | #if EV_USE_PORT |
… | |
… | |
1067 | #endif |
1437 | #endif |
1068 | #if EV_USE_INOTIFY |
1438 | #if EV_USE_INOTIFY |
1069 | infy_fork (EV_A); |
1439 | infy_fork (EV_A); |
1070 | #endif |
1440 | #endif |
1071 | |
1441 | |
1072 | if (ev_is_active (&sigev)) |
1442 | if (ev_is_active (&pipeev)) |
1073 | { |
1443 | { |
1074 | /* default loop */ |
1444 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1445 | /* while we modify the fd vars */ |
|
|
1446 | gotsig = 1; |
|
|
1447 | #if EV_ASYNC_ENABLE |
|
|
1448 | gotasync = 1; |
|
|
1449 | #endif |
1075 | |
1450 | |
1076 | ev_ref (EV_A); |
1451 | ev_ref (EV_A); |
1077 | ev_io_stop (EV_A_ &sigev); |
1452 | ev_io_stop (EV_A_ &pipeev); |
|
|
1453 | |
|
|
1454 | #if EV_USE_EVENTFD |
|
|
1455 | if (evfd >= 0) |
|
|
1456 | close (evfd); |
|
|
1457 | #endif |
|
|
1458 | |
|
|
1459 | if (evpipe [0] >= 0) |
|
|
1460 | { |
1078 | close (sigpipe [0]); |
1461 | close (evpipe [0]); |
1079 | close (sigpipe [1]); |
1462 | close (evpipe [1]); |
|
|
1463 | } |
1080 | |
1464 | |
1081 | while (pipe (sigpipe)) |
|
|
1082 | syserr ("(libev) error creating pipe"); |
|
|
1083 | |
|
|
1084 | siginit (EV_A); |
1465 | evpipe_init (EV_A); |
|
|
1466 | /* now iterate over everything, in case we missed something */ |
|
|
1467 | pipecb (EV_A_ &pipeev, EV_READ); |
1085 | } |
1468 | } |
1086 | |
1469 | |
1087 | postfork = 0; |
1470 | postfork = 0; |
1088 | } |
1471 | } |
1089 | |
1472 | |
1090 | #if EV_MULTIPLICITY |
1473 | #if EV_MULTIPLICITY |
|
|
1474 | |
1091 | struct ev_loop * |
1475 | struct ev_loop * |
1092 | ev_loop_new (unsigned int flags) |
1476 | ev_loop_new (unsigned int flags) |
1093 | { |
1477 | { |
1094 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1478 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1095 | |
1479 | |
… | |
… | |
1111 | } |
1495 | } |
1112 | |
1496 | |
1113 | void |
1497 | void |
1114 | ev_loop_fork (EV_P) |
1498 | ev_loop_fork (EV_P) |
1115 | { |
1499 | { |
1116 | postfork = 1; |
1500 | postfork = 1; /* must be in line with ev_default_fork */ |
1117 | } |
1501 | } |
1118 | |
1502 | |
|
|
1503 | #if EV_VERIFY |
|
|
1504 | void noinline |
|
|
1505 | verify_watcher (EV_P_ W w) |
|
|
1506 | { |
|
|
1507 | assert (("watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
|
|
1508 | |
|
|
1509 | if (w->pending) |
|
|
1510 | assert (("pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
|
|
1511 | } |
|
|
1512 | |
|
|
1513 | static void noinline |
|
|
1514 | verify_heap (EV_P_ ANHE *heap, int N) |
|
|
1515 | { |
|
|
1516 | int i; |
|
|
1517 | |
|
|
1518 | for (i = HEAP0; i < N + HEAP0; ++i) |
|
|
1519 | { |
|
|
1520 | assert (("active index mismatch in heap", ev_active (ANHE_w (heap [i])) == i)); |
|
|
1521 | assert (("heap condition violated", i == HEAP0 || ANHE_at (heap [HPARENT (i)]) <= ANHE_at (heap [i]))); |
|
|
1522 | assert (("heap at cache mismatch", ANHE_at (heap [i]) == ev_at (ANHE_w (heap [i])))); |
|
|
1523 | |
|
|
1524 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
|
|
1525 | } |
|
|
1526 | } |
|
|
1527 | |
|
|
1528 | static void noinline |
|
|
1529 | array_verify (EV_P_ W *ws, int cnt) |
|
|
1530 | { |
|
|
1531 | while (cnt--) |
|
|
1532 | { |
|
|
1533 | assert (("active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
|
|
1534 | verify_watcher (EV_A_ ws [cnt]); |
|
|
1535 | } |
|
|
1536 | } |
|
|
1537 | #endif |
|
|
1538 | |
|
|
1539 | void |
|
|
1540 | ev_loop_verify (EV_P) |
|
|
1541 | { |
|
|
1542 | #if EV_VERIFY |
|
|
1543 | int i; |
|
|
1544 | WL w; |
|
|
1545 | |
|
|
1546 | assert (activecnt >= -1); |
|
|
1547 | |
|
|
1548 | assert (fdchangemax >= fdchangecnt); |
|
|
1549 | for (i = 0; i < fdchangecnt; ++i) |
|
|
1550 | assert (("negative fd in fdchanges", fdchanges [i] >= 0)); |
|
|
1551 | |
|
|
1552 | assert (anfdmax >= 0); |
|
|
1553 | for (i = 0; i < anfdmax; ++i) |
|
|
1554 | for (w = anfds [i].head; w; w = w->next) |
|
|
1555 | { |
|
|
1556 | verify_watcher (EV_A_ (W)w); |
|
|
1557 | assert (("inactive fd watcher on anfd list", ev_active (w) == 1)); |
|
|
1558 | assert (("fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
|
|
1559 | } |
|
|
1560 | |
|
|
1561 | assert (timermax >= timercnt); |
|
|
1562 | verify_heap (EV_A_ timers, timercnt); |
|
|
1563 | |
|
|
1564 | #if EV_PERIODIC_ENABLE |
|
|
1565 | assert (periodicmax >= periodiccnt); |
|
|
1566 | verify_heap (EV_A_ periodics, periodiccnt); |
|
|
1567 | #endif |
|
|
1568 | |
|
|
1569 | for (i = NUMPRI; i--; ) |
|
|
1570 | { |
|
|
1571 | assert (pendingmax [i] >= pendingcnt [i]); |
|
|
1572 | #if EV_IDLE_ENABLE |
|
|
1573 | assert (idleall >= 0); |
|
|
1574 | assert (idlemax [i] >= idlecnt [i]); |
|
|
1575 | array_verify (EV_A_ (W *)idles [i], idlecnt [i]); |
|
|
1576 | #endif |
|
|
1577 | } |
|
|
1578 | |
|
|
1579 | #if EV_FORK_ENABLE |
|
|
1580 | assert (forkmax >= forkcnt); |
|
|
1581 | array_verify (EV_A_ (W *)forks, forkcnt); |
|
|
1582 | #endif |
|
|
1583 | |
|
|
1584 | #if EV_ASYNC_ENABLE |
|
|
1585 | assert (asyncmax >= asynccnt); |
|
|
1586 | array_verify (EV_A_ (W *)asyncs, asynccnt); |
|
|
1587 | #endif |
|
|
1588 | |
|
|
1589 | assert (preparemax >= preparecnt); |
|
|
1590 | array_verify (EV_A_ (W *)prepares, preparecnt); |
|
|
1591 | |
|
|
1592 | assert (checkmax >= checkcnt); |
|
|
1593 | array_verify (EV_A_ (W *)checks, checkcnt); |
|
|
1594 | |
|
|
1595 | # if 0 |
|
|
1596 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
1597 | for (signum = signalmax; signum--; ) if (signals [signum].gotsig) |
1119 | #endif |
1598 | # endif |
|
|
1599 | #endif |
|
|
1600 | } |
|
|
1601 | |
|
|
1602 | #endif /* multiplicity */ |
1120 | |
1603 | |
1121 | #if EV_MULTIPLICITY |
1604 | #if EV_MULTIPLICITY |
1122 | struct ev_loop * |
1605 | struct ev_loop * |
1123 | ev_default_loop_init (unsigned int flags) |
1606 | ev_default_loop_init (unsigned int flags) |
1124 | #else |
1607 | #else |
1125 | int |
1608 | int |
1126 | ev_default_loop (unsigned int flags) |
1609 | ev_default_loop (unsigned int flags) |
1127 | #endif |
1610 | #endif |
1128 | { |
1611 | { |
1129 | if (sigpipe [0] == sigpipe [1]) |
|
|
1130 | if (pipe (sigpipe)) |
|
|
1131 | return 0; |
|
|
1132 | |
|
|
1133 | if (!ev_default_loop_ptr) |
1612 | if (!ev_default_loop_ptr) |
1134 | { |
1613 | { |
1135 | #if EV_MULTIPLICITY |
1614 | #if EV_MULTIPLICITY |
1136 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1615 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1137 | #else |
1616 | #else |
… | |
… | |
1140 | |
1619 | |
1141 | loop_init (EV_A_ flags); |
1620 | loop_init (EV_A_ flags); |
1142 | |
1621 | |
1143 | if (ev_backend (EV_A)) |
1622 | if (ev_backend (EV_A)) |
1144 | { |
1623 | { |
1145 | siginit (EV_A); |
|
|
1146 | |
|
|
1147 | #ifndef _WIN32 |
1624 | #ifndef _WIN32 |
1148 | ev_signal_init (&childev, childcb, SIGCHLD); |
1625 | ev_signal_init (&childev, childcb, SIGCHLD); |
1149 | ev_set_priority (&childev, EV_MAXPRI); |
1626 | ev_set_priority (&childev, EV_MAXPRI); |
1150 | ev_signal_start (EV_A_ &childev); |
1627 | ev_signal_start (EV_A_ &childev); |
1151 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1628 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1168 | #ifndef _WIN32 |
1645 | #ifndef _WIN32 |
1169 | ev_ref (EV_A); /* child watcher */ |
1646 | ev_ref (EV_A); /* child watcher */ |
1170 | ev_signal_stop (EV_A_ &childev); |
1647 | ev_signal_stop (EV_A_ &childev); |
1171 | #endif |
1648 | #endif |
1172 | |
1649 | |
1173 | ev_ref (EV_A); /* signal watcher */ |
|
|
1174 | ev_io_stop (EV_A_ &sigev); |
|
|
1175 | |
|
|
1176 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1177 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1178 | |
|
|
1179 | loop_destroy (EV_A); |
1650 | loop_destroy (EV_A); |
1180 | } |
1651 | } |
1181 | |
1652 | |
1182 | void |
1653 | void |
1183 | ev_default_fork (void) |
1654 | ev_default_fork (void) |
… | |
… | |
1185 | #if EV_MULTIPLICITY |
1656 | #if EV_MULTIPLICITY |
1186 | struct ev_loop *loop = ev_default_loop_ptr; |
1657 | struct ev_loop *loop = ev_default_loop_ptr; |
1187 | #endif |
1658 | #endif |
1188 | |
1659 | |
1189 | if (backend) |
1660 | if (backend) |
1190 | postfork = 1; |
1661 | postfork = 1; /* must be in line with ev_loop_fork */ |
1191 | } |
1662 | } |
1192 | |
1663 | |
1193 | /*****************************************************************************/ |
1664 | /*****************************************************************************/ |
1194 | |
1665 | |
1195 | void |
1666 | void |
… | |
… | |
1212 | { |
1683 | { |
1213 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1684 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1214 | |
1685 | |
1215 | p->w->pending = 0; |
1686 | p->w->pending = 0; |
1216 | EV_CB_INVOKE (p->w, p->events); |
1687 | EV_CB_INVOKE (p->w, p->events); |
|
|
1688 | EV_FREQUENT_CHECK; |
1217 | } |
1689 | } |
1218 | } |
1690 | } |
1219 | } |
1691 | } |
1220 | |
|
|
1221 | void inline_size |
|
|
1222 | timers_reify (EV_P) |
|
|
1223 | { |
|
|
1224 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
|
|
1225 | { |
|
|
1226 | ev_timer *w = (ev_timer *)timers [0]; |
|
|
1227 | |
|
|
1228 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1229 | |
|
|
1230 | /* first reschedule or stop timer */ |
|
|
1231 | if (w->repeat) |
|
|
1232 | { |
|
|
1233 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1234 | |
|
|
1235 | ((WT)w)->at += w->repeat; |
|
|
1236 | if (((WT)w)->at < mn_now) |
|
|
1237 | ((WT)w)->at = mn_now; |
|
|
1238 | |
|
|
1239 | downheap (timers, timercnt, 0); |
|
|
1240 | } |
|
|
1241 | else |
|
|
1242 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1243 | |
|
|
1244 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1245 | } |
|
|
1246 | } |
|
|
1247 | |
|
|
1248 | #if EV_PERIODIC_ENABLE |
|
|
1249 | void inline_size |
|
|
1250 | periodics_reify (EV_P) |
|
|
1251 | { |
|
|
1252 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
|
|
1253 | { |
|
|
1254 | ev_periodic *w = (ev_periodic *)periodics [0]; |
|
|
1255 | |
|
|
1256 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1257 | |
|
|
1258 | /* first reschedule or stop timer */ |
|
|
1259 | if (w->reschedule_cb) |
|
|
1260 | { |
|
|
1261 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
|
|
1262 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1263 | downheap (periodics, periodiccnt, 0); |
|
|
1264 | } |
|
|
1265 | else if (w->interval) |
|
|
1266 | { |
|
|
1267 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1268 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
|
|
1269 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
|
|
1270 | downheap (periodics, periodiccnt, 0); |
|
|
1271 | } |
|
|
1272 | else |
|
|
1273 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1274 | |
|
|
1275 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1276 | } |
|
|
1277 | } |
|
|
1278 | |
|
|
1279 | static void noinline |
|
|
1280 | periodics_reschedule (EV_P) |
|
|
1281 | { |
|
|
1282 | int i; |
|
|
1283 | |
|
|
1284 | /* adjust periodics after time jump */ |
|
|
1285 | for (i = 0; i < periodiccnt; ++i) |
|
|
1286 | { |
|
|
1287 | ev_periodic *w = (ev_periodic *)periodics [i]; |
|
|
1288 | |
|
|
1289 | if (w->reschedule_cb) |
|
|
1290 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1291 | else if (w->interval) |
|
|
1292 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1293 | } |
|
|
1294 | |
|
|
1295 | /* now rebuild the heap */ |
|
|
1296 | for (i = periodiccnt >> 1; i--; ) |
|
|
1297 | downheap (periodics, periodiccnt, i); |
|
|
1298 | } |
|
|
1299 | #endif |
|
|
1300 | |
1692 | |
1301 | #if EV_IDLE_ENABLE |
1693 | #if EV_IDLE_ENABLE |
1302 | void inline_size |
1694 | void inline_size |
1303 | idle_reify (EV_P) |
1695 | idle_reify (EV_P) |
1304 | { |
1696 | { |
… | |
… | |
1316 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1708 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
1317 | break; |
1709 | break; |
1318 | } |
1710 | } |
1319 | } |
1711 | } |
1320 | } |
1712 | } |
|
|
1713 | } |
|
|
1714 | #endif |
|
|
1715 | |
|
|
1716 | void inline_size |
|
|
1717 | timers_reify (EV_P) |
|
|
1718 | { |
|
|
1719 | EV_FREQUENT_CHECK; |
|
|
1720 | |
|
|
1721 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now) |
|
|
1722 | { |
|
|
1723 | ev_timer *w = (ev_timer *)ANHE_w (timers [HEAP0]); |
|
|
1724 | |
|
|
1725 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
|
|
1726 | |
|
|
1727 | /* first reschedule or stop timer */ |
|
|
1728 | if (w->repeat) |
|
|
1729 | { |
|
|
1730 | ev_at (w) += w->repeat; |
|
|
1731 | if (ev_at (w) < mn_now) |
|
|
1732 | ev_at (w) = mn_now; |
|
|
1733 | |
|
|
1734 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1735 | |
|
|
1736 | ANHE_at_cache (timers [HEAP0]); |
|
|
1737 | downheap (timers, timercnt, HEAP0); |
|
|
1738 | } |
|
|
1739 | else |
|
|
1740 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1741 | |
|
|
1742 | EV_FREQUENT_CHECK; |
|
|
1743 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
|
|
1744 | } |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | #if EV_PERIODIC_ENABLE |
|
|
1748 | void inline_size |
|
|
1749 | periodics_reify (EV_P) |
|
|
1750 | { |
|
|
1751 | EV_FREQUENT_CHECK; |
|
|
1752 | |
|
|
1753 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
|
|
1754 | { |
|
|
1755 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
|
|
1756 | |
|
|
1757 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
|
|
1758 | |
|
|
1759 | /* first reschedule or stop timer */ |
|
|
1760 | if (w->reschedule_cb) |
|
|
1761 | { |
|
|
1762 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1763 | |
|
|
1764 | assert (("ev_periodic reschedule callback returned time in the past", ev_at (w) >= ev_rt_now)); |
|
|
1765 | |
|
|
1766 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1767 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1768 | } |
|
|
1769 | else if (w->interval) |
|
|
1770 | { |
|
|
1771 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1772 | /* if next trigger time is not sufficiently in the future, put it there */ |
|
|
1773 | /* this might happen because of floating point inexactness */ |
|
|
1774 | if (ev_at (w) - ev_rt_now < TIME_EPSILON) |
|
|
1775 | { |
|
|
1776 | ev_at (w) += w->interval; |
|
|
1777 | |
|
|
1778 | /* if interval is unreasonably low we might still have a time in the past */ |
|
|
1779 | /* so correct this. this will make the periodic very inexact, but the user */ |
|
|
1780 | /* has effectively asked to get triggered more often than possible */ |
|
|
1781 | if (ev_at (w) < ev_rt_now) |
|
|
1782 | ev_at (w) = ev_rt_now; |
|
|
1783 | } |
|
|
1784 | |
|
|
1785 | ANHE_at_cache (periodics [HEAP0]); |
|
|
1786 | downheap (periodics, periodiccnt, HEAP0); |
|
|
1787 | } |
|
|
1788 | else |
|
|
1789 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
|
|
1790 | |
|
|
1791 | EV_FREQUENT_CHECK; |
|
|
1792 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
|
|
1793 | } |
|
|
1794 | } |
|
|
1795 | |
|
|
1796 | static void noinline |
|
|
1797 | periodics_reschedule (EV_P) |
|
|
1798 | { |
|
|
1799 | int i; |
|
|
1800 | |
|
|
1801 | /* adjust periodics after time jump */ |
|
|
1802 | for (i = HEAP0; i < periodiccnt + HEAP0; ++i) |
|
|
1803 | { |
|
|
1804 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); |
|
|
1805 | |
|
|
1806 | if (w->reschedule_cb) |
|
|
1807 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
|
|
1808 | else if (w->interval) |
|
|
1809 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1810 | |
|
|
1811 | ANHE_at_cache (periodics [i]); |
|
|
1812 | } |
|
|
1813 | |
|
|
1814 | reheap (periodics, periodiccnt); |
1321 | } |
1815 | } |
1322 | #endif |
1816 | #endif |
1323 | |
1817 | |
1324 | void inline_speed |
1818 | void inline_speed |
1325 | time_update (EV_P_ ev_tstamp max_block) |
1819 | time_update (EV_P_ ev_tstamp max_block) |
… | |
… | |
1354 | */ |
1848 | */ |
1355 | for (i = 4; --i; ) |
1849 | for (i = 4; --i; ) |
1356 | { |
1850 | { |
1357 | rtmn_diff = ev_rt_now - mn_now; |
1851 | rtmn_diff = ev_rt_now - mn_now; |
1358 | |
1852 | |
1359 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1853 | if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) |
1360 | return; /* all is well */ |
1854 | return; /* all is well */ |
1361 | |
1855 | |
1362 | ev_rt_now = ev_time (); |
1856 | ev_rt_now = ev_time (); |
1363 | mn_now = get_clock (); |
1857 | mn_now = get_clock (); |
1364 | now_floor = mn_now; |
1858 | now_floor = mn_now; |
… | |
… | |
1380 | #if EV_PERIODIC_ENABLE |
1874 | #if EV_PERIODIC_ENABLE |
1381 | periodics_reschedule (EV_A); |
1875 | periodics_reschedule (EV_A); |
1382 | #endif |
1876 | #endif |
1383 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1877 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1384 | for (i = 0; i < timercnt; ++i) |
1878 | for (i = 0; i < timercnt; ++i) |
|
|
1879 | { |
|
|
1880 | ANHE *he = timers + i + HEAP0; |
1385 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1881 | ANHE_w (*he)->at += ev_rt_now - mn_now; |
|
|
1882 | ANHE_at_cache (*he); |
|
|
1883 | } |
1386 | } |
1884 | } |
1387 | |
1885 | |
1388 | mn_now = ev_rt_now; |
1886 | mn_now = ev_rt_now; |
1389 | } |
1887 | } |
1390 | } |
1888 | } |
… | |
… | |
1404 | static int loop_done; |
1902 | static int loop_done; |
1405 | |
1903 | |
1406 | void |
1904 | void |
1407 | ev_loop (EV_P_ int flags) |
1905 | ev_loop (EV_P_ int flags) |
1408 | { |
1906 | { |
1409 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1907 | loop_done = EVUNLOOP_CANCEL; |
1410 | ? EVUNLOOP_ONE |
|
|
1411 | : EVUNLOOP_CANCEL; |
|
|
1412 | |
1908 | |
1413 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1909 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1414 | |
1910 | |
1415 | do |
1911 | do |
1416 | { |
1912 | { |
|
|
1913 | #if EV_VERIFY >= 2 |
|
|
1914 | ev_loop_verify (EV_A); |
|
|
1915 | #endif |
|
|
1916 | |
1417 | #ifndef _WIN32 |
1917 | #ifndef _WIN32 |
1418 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1918 | if (expect_false (curpid)) /* penalise the forking check even more */ |
1419 | if (expect_false (getpid () != curpid)) |
1919 | if (expect_false (getpid () != curpid)) |
1420 | { |
1920 | { |
1421 | curpid = getpid (); |
1921 | curpid = getpid (); |
… | |
… | |
1450 | /* update fd-related kernel structures */ |
1950 | /* update fd-related kernel structures */ |
1451 | fd_reify (EV_A); |
1951 | fd_reify (EV_A); |
1452 | |
1952 | |
1453 | /* calculate blocking time */ |
1953 | /* calculate blocking time */ |
1454 | { |
1954 | { |
1455 | ev_tstamp block; |
1955 | ev_tstamp waittime = 0.; |
|
|
1956 | ev_tstamp sleeptime = 0.; |
1456 | |
1957 | |
1457 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1958 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1458 | block = 0.; /* do not block at all */ |
|
|
1459 | else |
|
|
1460 | { |
1959 | { |
1461 | /* update time to cancel out callback processing overhead */ |
1960 | /* update time to cancel out callback processing overhead */ |
1462 | time_update (EV_A_ 1e100); |
1961 | time_update (EV_A_ 1e100); |
1463 | |
1962 | |
1464 | block = MAX_BLOCKTIME; |
1963 | waittime = MAX_BLOCKTIME; |
1465 | |
1964 | |
1466 | if (timercnt) |
1965 | if (timercnt) |
1467 | { |
1966 | { |
1468 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1967 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
1469 | if (block > to) block = to; |
1968 | if (waittime > to) waittime = to; |
1470 | } |
1969 | } |
1471 | |
1970 | |
1472 | #if EV_PERIODIC_ENABLE |
1971 | #if EV_PERIODIC_ENABLE |
1473 | if (periodiccnt) |
1972 | if (periodiccnt) |
1474 | { |
1973 | { |
1475 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1974 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
1476 | if (block > to) block = to; |
1975 | if (waittime > to) waittime = to; |
1477 | } |
1976 | } |
1478 | #endif |
1977 | #endif |
1479 | |
1978 | |
1480 | if (expect_false (block < 0.)) block = 0.; |
1979 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1980 | waittime = timeout_blocktime; |
|
|
1981 | |
|
|
1982 | sleeptime = waittime - backend_fudge; |
|
|
1983 | |
|
|
1984 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1985 | sleeptime = io_blocktime; |
|
|
1986 | |
|
|
1987 | if (sleeptime) |
|
|
1988 | { |
|
|
1989 | ev_sleep (sleeptime); |
|
|
1990 | waittime -= sleeptime; |
|
|
1991 | } |
1481 | } |
1992 | } |
1482 | |
1993 | |
1483 | ++loop_count; |
1994 | ++loop_count; |
1484 | backend_poll (EV_A_ block); |
1995 | backend_poll (EV_A_ waittime); |
1485 | |
1996 | |
1486 | /* update ev_rt_now, do magic */ |
1997 | /* update ev_rt_now, do magic */ |
1487 | time_update (EV_A_ block); |
1998 | time_update (EV_A_ waittime + sleeptime); |
1488 | } |
1999 | } |
1489 | |
2000 | |
1490 | /* queue pending timers and reschedule them */ |
2001 | /* queue pending timers and reschedule them */ |
1491 | timers_reify (EV_A); /* relative timers called last */ |
2002 | timers_reify (EV_A); /* relative timers called last */ |
1492 | #if EV_PERIODIC_ENABLE |
2003 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1501 | /* queue check watchers, to be executed first */ |
2012 | /* queue check watchers, to be executed first */ |
1502 | if (expect_false (checkcnt)) |
2013 | if (expect_false (checkcnt)) |
1503 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
2014 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1504 | |
2015 | |
1505 | call_pending (EV_A); |
2016 | call_pending (EV_A); |
1506 | |
|
|
1507 | } |
2017 | } |
1508 | while (expect_true (activecnt && !loop_done)); |
2018 | while (expect_true ( |
|
|
2019 | activecnt |
|
|
2020 | && !loop_done |
|
|
2021 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
|
|
2022 | )); |
1509 | |
2023 | |
1510 | if (loop_done == EVUNLOOP_ONE) |
2024 | if (loop_done == EVUNLOOP_ONE) |
1511 | loop_done = EVUNLOOP_CANCEL; |
2025 | loop_done = EVUNLOOP_CANCEL; |
1512 | } |
2026 | } |
1513 | |
2027 | |
… | |
… | |
1602 | if (expect_false (ev_is_active (w))) |
2116 | if (expect_false (ev_is_active (w))) |
1603 | return; |
2117 | return; |
1604 | |
2118 | |
1605 | assert (("ev_io_start called with negative fd", fd >= 0)); |
2119 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1606 | |
2120 | |
|
|
2121 | EV_FREQUENT_CHECK; |
|
|
2122 | |
1607 | ev_start (EV_A_ (W)w, 1); |
2123 | ev_start (EV_A_ (W)w, 1); |
1608 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
2124 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1609 | wlist_add (&anfds[fd].head, (WL)w); |
2125 | wlist_add (&anfds[fd].head, (WL)w); |
1610 | |
2126 | |
1611 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
2127 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
1612 | w->events &= ~EV_IOFDSET; |
2128 | w->events &= ~EV_IOFDSET; |
|
|
2129 | |
|
|
2130 | EV_FREQUENT_CHECK; |
1613 | } |
2131 | } |
1614 | |
2132 | |
1615 | void noinline |
2133 | void noinline |
1616 | ev_io_stop (EV_P_ ev_io *w) |
2134 | ev_io_stop (EV_P_ ev_io *w) |
1617 | { |
2135 | { |
1618 | clear_pending (EV_A_ (W)w); |
2136 | clear_pending (EV_A_ (W)w); |
1619 | if (expect_false (!ev_is_active (w))) |
2137 | if (expect_false (!ev_is_active (w))) |
1620 | return; |
2138 | return; |
1621 | |
2139 | |
1622 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
2140 | assert (("ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
|
|
2141 | |
|
|
2142 | EV_FREQUENT_CHECK; |
1623 | |
2143 | |
1624 | wlist_del (&anfds[w->fd].head, (WL)w); |
2144 | wlist_del (&anfds[w->fd].head, (WL)w); |
1625 | ev_stop (EV_A_ (W)w); |
2145 | ev_stop (EV_A_ (W)w); |
1626 | |
2146 | |
1627 | fd_change (EV_A_ w->fd, 1); |
2147 | fd_change (EV_A_ w->fd, 1); |
|
|
2148 | |
|
|
2149 | EV_FREQUENT_CHECK; |
1628 | } |
2150 | } |
1629 | |
2151 | |
1630 | void noinline |
2152 | void noinline |
1631 | ev_timer_start (EV_P_ ev_timer *w) |
2153 | ev_timer_start (EV_P_ ev_timer *w) |
1632 | { |
2154 | { |
1633 | if (expect_false (ev_is_active (w))) |
2155 | if (expect_false (ev_is_active (w))) |
1634 | return; |
2156 | return; |
1635 | |
2157 | |
1636 | ((WT)w)->at += mn_now; |
2158 | ev_at (w) += mn_now; |
1637 | |
2159 | |
1638 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
2160 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1639 | |
2161 | |
|
|
2162 | EV_FREQUENT_CHECK; |
|
|
2163 | |
|
|
2164 | ++timercnt; |
1640 | ev_start (EV_A_ (W)w, ++timercnt); |
2165 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
1641 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
2166 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
1642 | timers [timercnt - 1] = (WT)w; |
2167 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
1643 | upheap (timers, timercnt - 1); |
2168 | ANHE_at_cache (timers [ev_active (w)]); |
|
|
2169 | upheap (timers, ev_active (w)); |
1644 | |
2170 | |
|
|
2171 | EV_FREQUENT_CHECK; |
|
|
2172 | |
1645 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
2173 | /*assert (("internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
1646 | } |
2174 | } |
1647 | |
2175 | |
1648 | void noinline |
2176 | void noinline |
1649 | ev_timer_stop (EV_P_ ev_timer *w) |
2177 | ev_timer_stop (EV_P_ ev_timer *w) |
1650 | { |
2178 | { |
1651 | clear_pending (EV_A_ (W)w); |
2179 | clear_pending (EV_A_ (W)w); |
1652 | if (expect_false (!ev_is_active (w))) |
2180 | if (expect_false (!ev_is_active (w))) |
1653 | return; |
2181 | return; |
1654 | |
2182 | |
1655 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
2183 | EV_FREQUENT_CHECK; |
1656 | |
2184 | |
1657 | { |
2185 | { |
1658 | int active = ((W)w)->active; |
2186 | int active = ev_active (w); |
1659 | |
2187 | |
|
|
2188 | assert (("internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
|
|
2189 | |
|
|
2190 | --timercnt; |
|
|
2191 | |
1660 | if (expect_true (--active < --timercnt)) |
2192 | if (expect_true (active < timercnt + HEAP0)) |
1661 | { |
2193 | { |
1662 | timers [active] = timers [timercnt]; |
2194 | timers [active] = timers [timercnt + HEAP0]; |
1663 | adjustheap (timers, timercnt, active); |
2195 | adjustheap (timers, timercnt, active); |
1664 | } |
2196 | } |
1665 | } |
2197 | } |
1666 | |
2198 | |
1667 | ((WT)w)->at -= mn_now; |
2199 | EV_FREQUENT_CHECK; |
|
|
2200 | |
|
|
2201 | ev_at (w) -= mn_now; |
1668 | |
2202 | |
1669 | ev_stop (EV_A_ (W)w); |
2203 | ev_stop (EV_A_ (W)w); |
1670 | } |
2204 | } |
1671 | |
2205 | |
1672 | void noinline |
2206 | void noinline |
1673 | ev_timer_again (EV_P_ ev_timer *w) |
2207 | ev_timer_again (EV_P_ ev_timer *w) |
1674 | { |
2208 | { |
|
|
2209 | EV_FREQUENT_CHECK; |
|
|
2210 | |
1675 | if (ev_is_active (w)) |
2211 | if (ev_is_active (w)) |
1676 | { |
2212 | { |
1677 | if (w->repeat) |
2213 | if (w->repeat) |
1678 | { |
2214 | { |
1679 | ((WT)w)->at = mn_now + w->repeat; |
2215 | ev_at (w) = mn_now + w->repeat; |
|
|
2216 | ANHE_at_cache (timers [ev_active (w)]); |
1680 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
2217 | adjustheap (timers, timercnt, ev_active (w)); |
1681 | } |
2218 | } |
1682 | else |
2219 | else |
1683 | ev_timer_stop (EV_A_ w); |
2220 | ev_timer_stop (EV_A_ w); |
1684 | } |
2221 | } |
1685 | else if (w->repeat) |
2222 | else if (w->repeat) |
1686 | { |
2223 | { |
1687 | w->at = w->repeat; |
2224 | ev_at (w) = w->repeat; |
1688 | ev_timer_start (EV_A_ w); |
2225 | ev_timer_start (EV_A_ w); |
1689 | } |
2226 | } |
|
|
2227 | |
|
|
2228 | EV_FREQUENT_CHECK; |
1690 | } |
2229 | } |
1691 | |
2230 | |
1692 | #if EV_PERIODIC_ENABLE |
2231 | #if EV_PERIODIC_ENABLE |
1693 | void noinline |
2232 | void noinline |
1694 | ev_periodic_start (EV_P_ ev_periodic *w) |
2233 | ev_periodic_start (EV_P_ ev_periodic *w) |
1695 | { |
2234 | { |
1696 | if (expect_false (ev_is_active (w))) |
2235 | if (expect_false (ev_is_active (w))) |
1697 | return; |
2236 | return; |
1698 | |
2237 | |
1699 | if (w->reschedule_cb) |
2238 | if (w->reschedule_cb) |
1700 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
2239 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
1701 | else if (w->interval) |
2240 | else if (w->interval) |
1702 | { |
2241 | { |
1703 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
2242 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1704 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
2243 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1705 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
2244 | ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1706 | } |
2245 | } |
1707 | else |
2246 | else |
1708 | ((WT)w)->at = w->offset; |
2247 | ev_at (w) = w->offset; |
1709 | |
2248 | |
|
|
2249 | EV_FREQUENT_CHECK; |
|
|
2250 | |
|
|
2251 | ++periodiccnt; |
1710 | ev_start (EV_A_ (W)w, ++periodiccnt); |
2252 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
1711 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
2253 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
1712 | periodics [periodiccnt - 1] = (WT)w; |
2254 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
1713 | upheap (periodics, periodiccnt - 1); |
2255 | ANHE_at_cache (periodics [ev_active (w)]); |
|
|
2256 | upheap (periodics, ev_active (w)); |
1714 | |
2257 | |
|
|
2258 | EV_FREQUENT_CHECK; |
|
|
2259 | |
1715 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
2260 | /*assert (("internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
1716 | } |
2261 | } |
1717 | |
2262 | |
1718 | void noinline |
2263 | void noinline |
1719 | ev_periodic_stop (EV_P_ ev_periodic *w) |
2264 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1720 | { |
2265 | { |
1721 | clear_pending (EV_A_ (W)w); |
2266 | clear_pending (EV_A_ (W)w); |
1722 | if (expect_false (!ev_is_active (w))) |
2267 | if (expect_false (!ev_is_active (w))) |
1723 | return; |
2268 | return; |
1724 | |
2269 | |
1725 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
2270 | EV_FREQUENT_CHECK; |
1726 | |
2271 | |
1727 | { |
2272 | { |
1728 | int active = ((W)w)->active; |
2273 | int active = ev_active (w); |
1729 | |
2274 | |
|
|
2275 | assert (("internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
|
|
2276 | |
|
|
2277 | --periodiccnt; |
|
|
2278 | |
1730 | if (expect_true (--active < --periodiccnt)) |
2279 | if (expect_true (active < periodiccnt + HEAP0)) |
1731 | { |
2280 | { |
1732 | periodics [active] = periodics [periodiccnt]; |
2281 | periodics [active] = periodics [periodiccnt + HEAP0]; |
1733 | adjustheap (periodics, periodiccnt, active); |
2282 | adjustheap (periodics, periodiccnt, active); |
1734 | } |
2283 | } |
1735 | } |
2284 | } |
1736 | |
2285 | |
|
|
2286 | EV_FREQUENT_CHECK; |
|
|
2287 | |
1737 | ev_stop (EV_A_ (W)w); |
2288 | ev_stop (EV_A_ (W)w); |
1738 | } |
2289 | } |
1739 | |
2290 | |
1740 | void noinline |
2291 | void noinline |
1741 | ev_periodic_again (EV_P_ ev_periodic *w) |
2292 | ev_periodic_again (EV_P_ ev_periodic *w) |
… | |
… | |
1758 | #endif |
2309 | #endif |
1759 | if (expect_false (ev_is_active (w))) |
2310 | if (expect_false (ev_is_active (w))) |
1760 | return; |
2311 | return; |
1761 | |
2312 | |
1762 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
2313 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
2314 | |
|
|
2315 | evpipe_init (EV_A); |
|
|
2316 | |
|
|
2317 | EV_FREQUENT_CHECK; |
1763 | |
2318 | |
1764 | { |
2319 | { |
1765 | #ifndef _WIN32 |
2320 | #ifndef _WIN32 |
1766 | sigset_t full, prev; |
2321 | sigset_t full, prev; |
1767 | sigfillset (&full); |
2322 | sigfillset (&full); |
… | |
… | |
1779 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
2334 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1780 | |
2335 | |
1781 | if (!((WL)w)->next) |
2336 | if (!((WL)w)->next) |
1782 | { |
2337 | { |
1783 | #if _WIN32 |
2338 | #if _WIN32 |
1784 | signal (w->signum, sighandler); |
2339 | signal (w->signum, ev_sighandler); |
1785 | #else |
2340 | #else |
1786 | struct sigaction sa; |
2341 | struct sigaction sa; |
1787 | sa.sa_handler = sighandler; |
2342 | sa.sa_handler = ev_sighandler; |
1788 | sigfillset (&sa.sa_mask); |
2343 | sigfillset (&sa.sa_mask); |
1789 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
2344 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
1790 | sigaction (w->signum, &sa, 0); |
2345 | sigaction (w->signum, &sa, 0); |
1791 | #endif |
2346 | #endif |
1792 | } |
2347 | } |
|
|
2348 | |
|
|
2349 | EV_FREQUENT_CHECK; |
1793 | } |
2350 | } |
1794 | |
2351 | |
1795 | void noinline |
2352 | void noinline |
1796 | ev_signal_stop (EV_P_ ev_signal *w) |
2353 | ev_signal_stop (EV_P_ ev_signal *w) |
1797 | { |
2354 | { |
1798 | clear_pending (EV_A_ (W)w); |
2355 | clear_pending (EV_A_ (W)w); |
1799 | if (expect_false (!ev_is_active (w))) |
2356 | if (expect_false (!ev_is_active (w))) |
1800 | return; |
2357 | return; |
1801 | |
2358 | |
|
|
2359 | EV_FREQUENT_CHECK; |
|
|
2360 | |
1802 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
2361 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1803 | ev_stop (EV_A_ (W)w); |
2362 | ev_stop (EV_A_ (W)w); |
1804 | |
2363 | |
1805 | if (!signals [w->signum - 1].head) |
2364 | if (!signals [w->signum - 1].head) |
1806 | signal (w->signum, SIG_DFL); |
2365 | signal (w->signum, SIG_DFL); |
|
|
2366 | |
|
|
2367 | EV_FREQUENT_CHECK; |
1807 | } |
2368 | } |
1808 | |
2369 | |
1809 | void |
2370 | void |
1810 | ev_child_start (EV_P_ ev_child *w) |
2371 | ev_child_start (EV_P_ ev_child *w) |
1811 | { |
2372 | { |
… | |
… | |
1813 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
2374 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1814 | #endif |
2375 | #endif |
1815 | if (expect_false (ev_is_active (w))) |
2376 | if (expect_false (ev_is_active (w))) |
1816 | return; |
2377 | return; |
1817 | |
2378 | |
|
|
2379 | EV_FREQUENT_CHECK; |
|
|
2380 | |
1818 | ev_start (EV_A_ (W)w, 1); |
2381 | ev_start (EV_A_ (W)w, 1); |
1819 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2382 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
|
|
2383 | |
|
|
2384 | EV_FREQUENT_CHECK; |
1820 | } |
2385 | } |
1821 | |
2386 | |
1822 | void |
2387 | void |
1823 | ev_child_stop (EV_P_ ev_child *w) |
2388 | ev_child_stop (EV_P_ ev_child *w) |
1824 | { |
2389 | { |
1825 | clear_pending (EV_A_ (W)w); |
2390 | clear_pending (EV_A_ (W)w); |
1826 | if (expect_false (!ev_is_active (w))) |
2391 | if (expect_false (!ev_is_active (w))) |
1827 | return; |
2392 | return; |
1828 | |
2393 | |
|
|
2394 | EV_FREQUENT_CHECK; |
|
|
2395 | |
1829 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
2396 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1830 | ev_stop (EV_A_ (W)w); |
2397 | ev_stop (EV_A_ (W)w); |
|
|
2398 | |
|
|
2399 | EV_FREQUENT_CHECK; |
1831 | } |
2400 | } |
1832 | |
2401 | |
1833 | #if EV_STAT_ENABLE |
2402 | #if EV_STAT_ENABLE |
1834 | |
2403 | |
1835 | # ifdef _WIN32 |
2404 | # ifdef _WIN32 |
… | |
… | |
1853 | if (w->wd < 0) |
2422 | if (w->wd < 0) |
1854 | { |
2423 | { |
1855 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
2424 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
1856 | |
2425 | |
1857 | /* monitor some parent directory for speedup hints */ |
2426 | /* monitor some parent directory for speedup hints */ |
|
|
2427 | /* note that exceeding the hardcoded limit is not a correctness issue, */ |
|
|
2428 | /* but an efficiency issue only */ |
1858 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
2429 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
1859 | { |
2430 | { |
1860 | char path [4096]; |
2431 | char path [4096]; |
1861 | strcpy (path, w->path); |
2432 | strcpy (path, w->path); |
1862 | |
2433 | |
… | |
… | |
2061 | else |
2632 | else |
2062 | #endif |
2633 | #endif |
2063 | ev_timer_start (EV_A_ &w->timer); |
2634 | ev_timer_start (EV_A_ &w->timer); |
2064 | |
2635 | |
2065 | ev_start (EV_A_ (W)w, 1); |
2636 | ev_start (EV_A_ (W)w, 1); |
|
|
2637 | |
|
|
2638 | EV_FREQUENT_CHECK; |
2066 | } |
2639 | } |
2067 | |
2640 | |
2068 | void |
2641 | void |
2069 | ev_stat_stop (EV_P_ ev_stat *w) |
2642 | ev_stat_stop (EV_P_ ev_stat *w) |
2070 | { |
2643 | { |
2071 | clear_pending (EV_A_ (W)w); |
2644 | clear_pending (EV_A_ (W)w); |
2072 | if (expect_false (!ev_is_active (w))) |
2645 | if (expect_false (!ev_is_active (w))) |
2073 | return; |
2646 | return; |
2074 | |
2647 | |
|
|
2648 | EV_FREQUENT_CHECK; |
|
|
2649 | |
2075 | #if EV_USE_INOTIFY |
2650 | #if EV_USE_INOTIFY |
2076 | infy_del (EV_A_ w); |
2651 | infy_del (EV_A_ w); |
2077 | #endif |
2652 | #endif |
2078 | ev_timer_stop (EV_A_ &w->timer); |
2653 | ev_timer_stop (EV_A_ &w->timer); |
2079 | |
2654 | |
2080 | ev_stop (EV_A_ (W)w); |
2655 | ev_stop (EV_A_ (W)w); |
|
|
2656 | |
|
|
2657 | EV_FREQUENT_CHECK; |
2081 | } |
2658 | } |
2082 | #endif |
2659 | #endif |
2083 | |
2660 | |
2084 | #if EV_IDLE_ENABLE |
2661 | #if EV_IDLE_ENABLE |
2085 | void |
2662 | void |
… | |
… | |
2087 | { |
2664 | { |
2088 | if (expect_false (ev_is_active (w))) |
2665 | if (expect_false (ev_is_active (w))) |
2089 | return; |
2666 | return; |
2090 | |
2667 | |
2091 | pri_adjust (EV_A_ (W)w); |
2668 | pri_adjust (EV_A_ (W)w); |
|
|
2669 | |
|
|
2670 | EV_FREQUENT_CHECK; |
2092 | |
2671 | |
2093 | { |
2672 | { |
2094 | int active = ++idlecnt [ABSPRI (w)]; |
2673 | int active = ++idlecnt [ABSPRI (w)]; |
2095 | |
2674 | |
2096 | ++idleall; |
2675 | ++idleall; |
2097 | ev_start (EV_A_ (W)w, active); |
2676 | ev_start (EV_A_ (W)w, active); |
2098 | |
2677 | |
2099 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2678 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
2100 | idles [ABSPRI (w)][active - 1] = w; |
2679 | idles [ABSPRI (w)][active - 1] = w; |
2101 | } |
2680 | } |
|
|
2681 | |
|
|
2682 | EV_FREQUENT_CHECK; |
2102 | } |
2683 | } |
2103 | |
2684 | |
2104 | void |
2685 | void |
2105 | ev_idle_stop (EV_P_ ev_idle *w) |
2686 | ev_idle_stop (EV_P_ ev_idle *w) |
2106 | { |
2687 | { |
2107 | clear_pending (EV_A_ (W)w); |
2688 | clear_pending (EV_A_ (W)w); |
2108 | if (expect_false (!ev_is_active (w))) |
2689 | if (expect_false (!ev_is_active (w))) |
2109 | return; |
2690 | return; |
2110 | |
2691 | |
|
|
2692 | EV_FREQUENT_CHECK; |
|
|
2693 | |
2111 | { |
2694 | { |
2112 | int active = ((W)w)->active; |
2695 | int active = ev_active (w); |
2113 | |
2696 | |
2114 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2697 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
2115 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
2698 | ev_active (idles [ABSPRI (w)][active - 1]) = active; |
2116 | |
2699 | |
2117 | ev_stop (EV_A_ (W)w); |
2700 | ev_stop (EV_A_ (W)w); |
2118 | --idleall; |
2701 | --idleall; |
2119 | } |
2702 | } |
|
|
2703 | |
|
|
2704 | EV_FREQUENT_CHECK; |
2120 | } |
2705 | } |
2121 | #endif |
2706 | #endif |
2122 | |
2707 | |
2123 | void |
2708 | void |
2124 | ev_prepare_start (EV_P_ ev_prepare *w) |
2709 | ev_prepare_start (EV_P_ ev_prepare *w) |
2125 | { |
2710 | { |
2126 | if (expect_false (ev_is_active (w))) |
2711 | if (expect_false (ev_is_active (w))) |
2127 | return; |
2712 | return; |
|
|
2713 | |
|
|
2714 | EV_FREQUENT_CHECK; |
2128 | |
2715 | |
2129 | ev_start (EV_A_ (W)w, ++preparecnt); |
2716 | ev_start (EV_A_ (W)w, ++preparecnt); |
2130 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2717 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
2131 | prepares [preparecnt - 1] = w; |
2718 | prepares [preparecnt - 1] = w; |
|
|
2719 | |
|
|
2720 | EV_FREQUENT_CHECK; |
2132 | } |
2721 | } |
2133 | |
2722 | |
2134 | void |
2723 | void |
2135 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2724 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2136 | { |
2725 | { |
2137 | clear_pending (EV_A_ (W)w); |
2726 | clear_pending (EV_A_ (W)w); |
2138 | if (expect_false (!ev_is_active (w))) |
2727 | if (expect_false (!ev_is_active (w))) |
2139 | return; |
2728 | return; |
2140 | |
2729 | |
|
|
2730 | EV_FREQUENT_CHECK; |
|
|
2731 | |
2141 | { |
2732 | { |
2142 | int active = ((W)w)->active; |
2733 | int active = ev_active (w); |
|
|
2734 | |
2143 | prepares [active - 1] = prepares [--preparecnt]; |
2735 | prepares [active - 1] = prepares [--preparecnt]; |
2144 | ((W)prepares [active - 1])->active = active; |
2736 | ev_active (prepares [active - 1]) = active; |
2145 | } |
2737 | } |
2146 | |
2738 | |
2147 | ev_stop (EV_A_ (W)w); |
2739 | ev_stop (EV_A_ (W)w); |
|
|
2740 | |
|
|
2741 | EV_FREQUENT_CHECK; |
2148 | } |
2742 | } |
2149 | |
2743 | |
2150 | void |
2744 | void |
2151 | ev_check_start (EV_P_ ev_check *w) |
2745 | ev_check_start (EV_P_ ev_check *w) |
2152 | { |
2746 | { |
2153 | if (expect_false (ev_is_active (w))) |
2747 | if (expect_false (ev_is_active (w))) |
2154 | return; |
2748 | return; |
|
|
2749 | |
|
|
2750 | EV_FREQUENT_CHECK; |
2155 | |
2751 | |
2156 | ev_start (EV_A_ (W)w, ++checkcnt); |
2752 | ev_start (EV_A_ (W)w, ++checkcnt); |
2157 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2753 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
2158 | checks [checkcnt - 1] = w; |
2754 | checks [checkcnt - 1] = w; |
|
|
2755 | |
|
|
2756 | EV_FREQUENT_CHECK; |
2159 | } |
2757 | } |
2160 | |
2758 | |
2161 | void |
2759 | void |
2162 | ev_check_stop (EV_P_ ev_check *w) |
2760 | ev_check_stop (EV_P_ ev_check *w) |
2163 | { |
2761 | { |
2164 | clear_pending (EV_A_ (W)w); |
2762 | clear_pending (EV_A_ (W)w); |
2165 | if (expect_false (!ev_is_active (w))) |
2763 | if (expect_false (!ev_is_active (w))) |
2166 | return; |
2764 | return; |
2167 | |
2765 | |
|
|
2766 | EV_FREQUENT_CHECK; |
|
|
2767 | |
2168 | { |
2768 | { |
2169 | int active = ((W)w)->active; |
2769 | int active = ev_active (w); |
|
|
2770 | |
2170 | checks [active - 1] = checks [--checkcnt]; |
2771 | checks [active - 1] = checks [--checkcnt]; |
2171 | ((W)checks [active - 1])->active = active; |
2772 | ev_active (checks [active - 1]) = active; |
2172 | } |
2773 | } |
2173 | |
2774 | |
2174 | ev_stop (EV_A_ (W)w); |
2775 | ev_stop (EV_A_ (W)w); |
|
|
2776 | |
|
|
2777 | EV_FREQUENT_CHECK; |
2175 | } |
2778 | } |
2176 | |
2779 | |
2177 | #if EV_EMBED_ENABLE |
2780 | #if EV_EMBED_ENABLE |
2178 | void noinline |
2781 | void noinline |
2179 | ev_embed_sweep (EV_P_ ev_embed *w) |
2782 | ev_embed_sweep (EV_P_ ev_embed *w) |
2180 | { |
2783 | { |
2181 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2784 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2182 | } |
2785 | } |
2183 | |
2786 | |
2184 | static void |
2787 | static void |
2185 | embed_cb (EV_P_ ev_io *io, int revents) |
2788 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2186 | { |
2789 | { |
2187 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2790 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2188 | |
2791 | |
2189 | if (ev_cb (w)) |
2792 | if (ev_cb (w)) |
2190 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2793 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2191 | else |
2794 | else |
2192 | ev_embed_sweep (loop, w); |
2795 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2193 | } |
2796 | } |
|
|
2797 | |
|
|
2798 | static void |
|
|
2799 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2800 | { |
|
|
2801 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2802 | |
|
|
2803 | { |
|
|
2804 | struct ev_loop *loop = w->other; |
|
|
2805 | |
|
|
2806 | while (fdchangecnt) |
|
|
2807 | { |
|
|
2808 | fd_reify (EV_A); |
|
|
2809 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2810 | } |
|
|
2811 | } |
|
|
2812 | } |
|
|
2813 | |
|
|
2814 | #if 0 |
|
|
2815 | static void |
|
|
2816 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2817 | { |
|
|
2818 | ev_idle_stop (EV_A_ idle); |
|
|
2819 | } |
|
|
2820 | #endif |
2194 | |
2821 | |
2195 | void |
2822 | void |
2196 | ev_embed_start (EV_P_ ev_embed *w) |
2823 | ev_embed_start (EV_P_ ev_embed *w) |
2197 | { |
2824 | { |
2198 | if (expect_false (ev_is_active (w))) |
2825 | if (expect_false (ev_is_active (w))) |
2199 | return; |
2826 | return; |
2200 | |
2827 | |
2201 | { |
2828 | { |
2202 | struct ev_loop *loop = w->loop; |
2829 | struct ev_loop *loop = w->other; |
2203 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2830 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2204 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2831 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2205 | } |
2832 | } |
|
|
2833 | |
|
|
2834 | EV_FREQUENT_CHECK; |
2206 | |
2835 | |
2207 | ev_set_priority (&w->io, ev_priority (w)); |
2836 | ev_set_priority (&w->io, ev_priority (w)); |
2208 | ev_io_start (EV_A_ &w->io); |
2837 | ev_io_start (EV_A_ &w->io); |
2209 | |
2838 | |
|
|
2839 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2840 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2841 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2842 | |
|
|
2843 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2844 | |
2210 | ev_start (EV_A_ (W)w, 1); |
2845 | ev_start (EV_A_ (W)w, 1); |
|
|
2846 | |
|
|
2847 | EV_FREQUENT_CHECK; |
2211 | } |
2848 | } |
2212 | |
2849 | |
2213 | void |
2850 | void |
2214 | ev_embed_stop (EV_P_ ev_embed *w) |
2851 | ev_embed_stop (EV_P_ ev_embed *w) |
2215 | { |
2852 | { |
2216 | clear_pending (EV_A_ (W)w); |
2853 | clear_pending (EV_A_ (W)w); |
2217 | if (expect_false (!ev_is_active (w))) |
2854 | if (expect_false (!ev_is_active (w))) |
2218 | return; |
2855 | return; |
2219 | |
2856 | |
|
|
2857 | EV_FREQUENT_CHECK; |
|
|
2858 | |
2220 | ev_io_stop (EV_A_ &w->io); |
2859 | ev_io_stop (EV_A_ &w->io); |
|
|
2860 | ev_prepare_stop (EV_A_ &w->prepare); |
2221 | |
2861 | |
2222 | ev_stop (EV_A_ (W)w); |
2862 | ev_stop (EV_A_ (W)w); |
|
|
2863 | |
|
|
2864 | EV_FREQUENT_CHECK; |
2223 | } |
2865 | } |
2224 | #endif |
2866 | #endif |
2225 | |
2867 | |
2226 | #if EV_FORK_ENABLE |
2868 | #if EV_FORK_ENABLE |
2227 | void |
2869 | void |
2228 | ev_fork_start (EV_P_ ev_fork *w) |
2870 | ev_fork_start (EV_P_ ev_fork *w) |
2229 | { |
2871 | { |
2230 | if (expect_false (ev_is_active (w))) |
2872 | if (expect_false (ev_is_active (w))) |
2231 | return; |
2873 | return; |
|
|
2874 | |
|
|
2875 | EV_FREQUENT_CHECK; |
2232 | |
2876 | |
2233 | ev_start (EV_A_ (W)w, ++forkcnt); |
2877 | ev_start (EV_A_ (W)w, ++forkcnt); |
2234 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2878 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
2235 | forks [forkcnt - 1] = w; |
2879 | forks [forkcnt - 1] = w; |
|
|
2880 | |
|
|
2881 | EV_FREQUENT_CHECK; |
2236 | } |
2882 | } |
2237 | |
2883 | |
2238 | void |
2884 | void |
2239 | ev_fork_stop (EV_P_ ev_fork *w) |
2885 | ev_fork_stop (EV_P_ ev_fork *w) |
2240 | { |
2886 | { |
2241 | clear_pending (EV_A_ (W)w); |
2887 | clear_pending (EV_A_ (W)w); |
2242 | if (expect_false (!ev_is_active (w))) |
2888 | if (expect_false (!ev_is_active (w))) |
2243 | return; |
2889 | return; |
2244 | |
2890 | |
|
|
2891 | EV_FREQUENT_CHECK; |
|
|
2892 | |
2245 | { |
2893 | { |
2246 | int active = ((W)w)->active; |
2894 | int active = ev_active (w); |
|
|
2895 | |
2247 | forks [active - 1] = forks [--forkcnt]; |
2896 | forks [active - 1] = forks [--forkcnt]; |
2248 | ((W)forks [active - 1])->active = active; |
2897 | ev_active (forks [active - 1]) = active; |
2249 | } |
2898 | } |
2250 | |
2899 | |
2251 | ev_stop (EV_A_ (W)w); |
2900 | ev_stop (EV_A_ (W)w); |
|
|
2901 | |
|
|
2902 | EV_FREQUENT_CHECK; |
|
|
2903 | } |
|
|
2904 | #endif |
|
|
2905 | |
|
|
2906 | #if EV_ASYNC_ENABLE |
|
|
2907 | void |
|
|
2908 | ev_async_start (EV_P_ ev_async *w) |
|
|
2909 | { |
|
|
2910 | if (expect_false (ev_is_active (w))) |
|
|
2911 | return; |
|
|
2912 | |
|
|
2913 | evpipe_init (EV_A); |
|
|
2914 | |
|
|
2915 | EV_FREQUENT_CHECK; |
|
|
2916 | |
|
|
2917 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
2918 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
2919 | asyncs [asynccnt - 1] = w; |
|
|
2920 | |
|
|
2921 | EV_FREQUENT_CHECK; |
|
|
2922 | } |
|
|
2923 | |
|
|
2924 | void |
|
|
2925 | ev_async_stop (EV_P_ ev_async *w) |
|
|
2926 | { |
|
|
2927 | clear_pending (EV_A_ (W)w); |
|
|
2928 | if (expect_false (!ev_is_active (w))) |
|
|
2929 | return; |
|
|
2930 | |
|
|
2931 | EV_FREQUENT_CHECK; |
|
|
2932 | |
|
|
2933 | { |
|
|
2934 | int active = ev_active (w); |
|
|
2935 | |
|
|
2936 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
2937 | ev_active (asyncs [active - 1]) = active; |
|
|
2938 | } |
|
|
2939 | |
|
|
2940 | ev_stop (EV_A_ (W)w); |
|
|
2941 | |
|
|
2942 | EV_FREQUENT_CHECK; |
|
|
2943 | } |
|
|
2944 | |
|
|
2945 | void |
|
|
2946 | ev_async_send (EV_P_ ev_async *w) |
|
|
2947 | { |
|
|
2948 | w->sent = 1; |
|
|
2949 | evpipe_write (EV_A_ &gotasync); |
2252 | } |
2950 | } |
2253 | #endif |
2951 | #endif |
2254 | |
2952 | |
2255 | /*****************************************************************************/ |
2953 | /*****************************************************************************/ |
2256 | |
2954 | |
… | |
… | |
2314 | ev_timer_set (&once->to, timeout, 0.); |
3012 | ev_timer_set (&once->to, timeout, 0.); |
2315 | ev_timer_start (EV_A_ &once->to); |
3013 | ev_timer_start (EV_A_ &once->to); |
2316 | } |
3014 | } |
2317 | } |
3015 | } |
2318 | |
3016 | |
|
|
3017 | #if EV_MULTIPLICITY |
|
|
3018 | #include "ev_wrap.h" |
|
|
3019 | #endif |
|
|
3020 | |
2319 | #ifdef __cplusplus |
3021 | #ifdef __cplusplus |
2320 | } |
3022 | } |
2321 | #endif |
3023 | #endif |
2322 | |
3024 | |