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 |
… | |
… | |
51 | # ifndef EV_USE_MONOTONIC |
59 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
60 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
61 | # endif |
54 | # ifndef EV_USE_REALTIME |
62 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
63 | # define EV_USE_REALTIME 0 |
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64 | # endif |
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65 | # endif |
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66 | |
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67 | # ifndef EV_USE_NANOSLEEP |
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68 | # if HAVE_NANOSLEEP |
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69 | # define EV_USE_NANOSLEEP 1 |
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70 | # else |
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71 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
72 | # endif |
57 | # endif |
73 | # endif |
58 | |
74 | |
59 | # ifndef EV_USE_SELECT |
75 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
76 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
146 | |
162 | |
147 | #ifndef EV_USE_REALTIME |
163 | #ifndef EV_USE_REALTIME |
148 | # define EV_USE_REALTIME 0 |
164 | # define EV_USE_REALTIME 0 |
149 | #endif |
165 | #endif |
150 | |
166 | |
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167 | #ifndef EV_USE_NANOSLEEP |
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168 | # define EV_USE_NANOSLEEP 0 |
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169 | #endif |
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170 | |
151 | #ifndef EV_USE_SELECT |
171 | #ifndef EV_USE_SELECT |
152 | # define EV_USE_SELECT 1 |
172 | # define EV_USE_SELECT 1 |
153 | #endif |
173 | #endif |
154 | |
174 | |
155 | #ifndef EV_USE_POLL |
175 | #ifndef EV_USE_POLL |
… | |
… | |
202 | #ifndef CLOCK_REALTIME |
222 | #ifndef CLOCK_REALTIME |
203 | # undef EV_USE_REALTIME |
223 | # undef EV_USE_REALTIME |
204 | # define EV_USE_REALTIME 0 |
224 | # define EV_USE_REALTIME 0 |
205 | #endif |
225 | #endif |
206 | |
226 | |
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227 | #if !EV_STAT_ENABLE |
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228 | # undef EV_USE_INOTIFY |
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229 | # define EV_USE_INOTIFY 0 |
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230 | #endif |
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231 | |
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232 | #if !EV_USE_NANOSLEEP |
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233 | # ifndef _WIN32 |
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234 | # include <sys/select.h> |
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235 | # endif |
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236 | #endif |
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237 | |
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238 | #if EV_USE_INOTIFY |
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239 | # include <sys/inotify.h> |
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240 | #endif |
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241 | |
207 | #if EV_SELECT_IS_WINSOCKET |
242 | #if EV_SELECT_IS_WINSOCKET |
208 | # include <winsock.h> |
243 | # include <winsock.h> |
209 | #endif |
244 | #endif |
210 | |
245 | |
211 | #if !EV_STAT_ENABLE |
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212 | # define EV_USE_INOTIFY 0 |
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213 | #endif |
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214 | |
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215 | #if EV_USE_INOTIFY |
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216 | # include <sys/inotify.h> |
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217 | #endif |
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218 | |
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219 | /**/ |
246 | /**/ |
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247 | |
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248 | /* |
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249 | * This is used to avoid floating point rounding problems. |
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250 | * It is added to ev_rt_now when scheduling periodics |
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251 | * to ensure progress, time-wise, even when rounding |
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252 | * errors are against us. |
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253 | * This value is good at least till the year 4000. |
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254 | * Better solutions welcome. |
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255 | */ |
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256 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
220 | |
257 | |
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
258 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
259 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
260 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
224 | |
261 | |
225 | #if __GNUC__ >= 3 |
262 | #if __GNUC__ >= 4 |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
227 | # define noinline __attribute__ ((noinline)) |
264 | # define noinline __attribute__ ((noinline)) |
228 | #else |
265 | #else |
229 | # define expect(expr,value) (expr) |
266 | # define expect(expr,value) (expr) |
230 | # define noinline |
267 | # define noinline |
… | |
… | |
251 | |
288 | |
252 | typedef ev_watcher *W; |
289 | typedef ev_watcher *W; |
253 | typedef ev_watcher_list *WL; |
290 | typedef ev_watcher_list *WL; |
254 | typedef ev_watcher_time *WT; |
291 | typedef ev_watcher_time *WT; |
255 | |
292 | |
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293 | #if EV_USE_MONOTONIC |
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294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
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295 | /* giving it a reasonably high chance of working on typical architetcures */ |
256 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
296 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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297 | #endif |
257 | |
298 | |
258 | #ifdef _WIN32 |
299 | #ifdef _WIN32 |
259 | # include "ev_win32.c" |
300 | # include "ev_win32.c" |
260 | #endif |
301 | #endif |
261 | |
302 | |
… | |
… | |
397 | { |
438 | { |
398 | return ev_rt_now; |
439 | return ev_rt_now; |
399 | } |
440 | } |
400 | #endif |
441 | #endif |
401 | |
442 | |
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443 | void |
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444 | ev_sleep (ev_tstamp delay) |
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445 | { |
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446 | if (delay > 0.) |
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447 | { |
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448 | #if EV_USE_NANOSLEEP |
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449 | struct timespec ts; |
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450 | |
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451 | ts.tv_sec = (time_t)delay; |
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452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
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453 | |
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454 | nanosleep (&ts, 0); |
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455 | #elif defined(_WIN32) |
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456 | Sleep (delay * 1e3); |
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457 | #else |
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458 | struct timeval tv; |
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459 | |
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460 | tv.tv_sec = (time_t)delay; |
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461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
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462 | |
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463 | select (0, 0, 0, 0, &tv); |
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464 | #endif |
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465 | } |
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466 | } |
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467 | |
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468 | /*****************************************************************************/ |
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469 | |
402 | int inline_size |
470 | int inline_size |
403 | array_nextsize (int elem, int cur, int cnt) |
471 | array_nextsize (int elem, int cur, int cnt) |
404 | { |
472 | { |
405 | int ncur = cur + 1; |
473 | int ncur = cur + 1; |
406 | |
474 | |
… | |
… | |
466 | pendings [pri][w_->pending - 1].w = w_; |
534 | pendings [pri][w_->pending - 1].w = w_; |
467 | pendings [pri][w_->pending - 1].events = revents; |
535 | pendings [pri][w_->pending - 1].events = revents; |
468 | } |
536 | } |
469 | } |
537 | } |
470 | |
538 | |
471 | void inline_size |
539 | void inline_speed |
472 | queue_events (EV_P_ W *events, int eventcnt, int type) |
540 | queue_events (EV_P_ W *events, int eventcnt, int type) |
473 | { |
541 | { |
474 | int i; |
542 | int i; |
475 | |
543 | |
476 | for (i = 0; i < eventcnt; ++i) |
544 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
523 | { |
591 | { |
524 | int fd = fdchanges [i]; |
592 | int fd = fdchanges [i]; |
525 | ANFD *anfd = anfds + fd; |
593 | ANFD *anfd = anfds + fd; |
526 | ev_io *w; |
594 | ev_io *w; |
527 | |
595 | |
528 | int events = 0; |
596 | unsigned char events = 0; |
529 | |
597 | |
530 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
598 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
531 | events |= w->events; |
599 | events |= (unsigned char)w->events; |
532 | |
600 | |
533 | #if EV_SELECT_IS_WINSOCKET |
601 | #if EV_SELECT_IS_WINSOCKET |
534 | if (events) |
602 | if (events) |
535 | { |
603 | { |
536 | unsigned long argp; |
604 | unsigned long argp; |
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605 | #ifdef EV_FD_TO_WIN32_HANDLE |
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606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
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607 | #else |
537 | anfd->handle = _get_osfhandle (fd); |
608 | anfd->handle = _get_osfhandle (fd); |
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609 | #endif |
538 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
539 | } |
611 | } |
540 | #endif |
612 | #endif |
541 | |
613 | |
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614 | { |
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615 | unsigned char o_events = anfd->events; |
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616 | unsigned char o_reify = anfd->reify; |
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617 | |
542 | anfd->reify = 0; |
618 | anfd->reify = 0; |
543 | |
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544 | backend_modify (EV_A_ fd, anfd->events, events); |
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545 | anfd->events = events; |
619 | anfd->events = events; |
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620 | |
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621 | if (o_events != events || o_reify & EV_IOFDSET) |
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622 | backend_modify (EV_A_ fd, o_events, events); |
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623 | } |
546 | } |
624 | } |
547 | |
625 | |
548 | fdchangecnt = 0; |
626 | fdchangecnt = 0; |
549 | } |
627 | } |
550 | |
628 | |
551 | void inline_size |
629 | void inline_size |
552 | fd_change (EV_P_ int fd) |
630 | fd_change (EV_P_ int fd, int flags) |
553 | { |
631 | { |
554 | if (expect_false (anfds [fd].reify)) |
632 | unsigned char reify = anfds [fd].reify; |
555 | return; |
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556 | |
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557 | anfds [fd].reify = 1; |
633 | anfds [fd].reify |= flags; |
558 | |
634 | |
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635 | if (expect_true (!reify)) |
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636 | { |
559 | ++fdchangecnt; |
637 | ++fdchangecnt; |
560 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
638 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
561 | fdchanges [fdchangecnt - 1] = fd; |
639 | fdchanges [fdchangecnt - 1] = fd; |
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640 | } |
562 | } |
641 | } |
563 | |
642 | |
564 | void inline_speed |
643 | void inline_speed |
565 | fd_kill (EV_P_ int fd) |
644 | fd_kill (EV_P_ int fd) |
566 | { |
645 | { |
… | |
… | |
617 | |
696 | |
618 | for (fd = 0; fd < anfdmax; ++fd) |
697 | for (fd = 0; fd < anfdmax; ++fd) |
619 | if (anfds [fd].events) |
698 | if (anfds [fd].events) |
620 | { |
699 | { |
621 | anfds [fd].events = 0; |
700 | anfds [fd].events = 0; |
622 | fd_change (EV_A_ fd); |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
623 | } |
702 | } |
624 | } |
703 | } |
625 | |
704 | |
626 | /*****************************************************************************/ |
705 | /*****************************************************************************/ |
627 | |
706 | |
628 | void inline_speed |
707 | void inline_speed |
629 | upheap (WT *heap, int k) |
708 | upheap (WT *heap, int k) |
630 | { |
709 | { |
631 | WT w = heap [k]; |
710 | WT w = heap [k]; |
632 | |
711 | |
633 | while (k && heap [k >> 1]->at > w->at) |
712 | while (k) |
634 | { |
713 | { |
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714 | int p = (k - 1) >> 1; |
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715 | |
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716 | if (heap [p]->at <= w->at) |
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717 | break; |
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718 | |
635 | heap [k] = heap [k >> 1]; |
719 | heap [k] = heap [p]; |
636 | ((W)heap [k])->active = k + 1; |
720 | ((W)heap [k])->active = k + 1; |
637 | k >>= 1; |
721 | k = p; |
638 | } |
722 | } |
639 | |
723 | |
640 | heap [k] = w; |
724 | heap [k] = w; |
641 | ((W)heap [k])->active = k + 1; |
725 | ((W)heap [k])->active = k + 1; |
642 | |
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643 | } |
726 | } |
644 | |
727 | |
645 | void inline_speed |
728 | void inline_speed |
646 | downheap (WT *heap, int N, int k) |
729 | downheap (WT *heap, int N, int k) |
647 | { |
730 | { |
648 | WT w = heap [k]; |
731 | WT w = heap [k]; |
649 | |
732 | |
650 | while (k < (N >> 1)) |
733 | for (;;) |
651 | { |
734 | { |
652 | int j = k << 1; |
735 | int c = (k << 1) + 1; |
653 | |
736 | |
654 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
737 | if (c >= N) |
655 | ++j; |
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656 | |
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657 | if (w->at <= heap [j]->at) |
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658 | break; |
738 | break; |
659 | |
739 | |
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740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
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741 | ? 1 : 0; |
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742 | |
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743 | if (w->at <= heap [c]->at) |
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744 | break; |
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745 | |
660 | heap [k] = heap [j]; |
746 | heap [k] = heap [c]; |
661 | ((W)heap [k])->active = k + 1; |
747 | ((W)heap [k])->active = k + 1; |
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748 | |
662 | k = j; |
749 | k = c; |
663 | } |
750 | } |
664 | |
751 | |
665 | heap [k] = w; |
752 | heap [k] = w; |
666 | ((W)heap [k])->active = k + 1; |
753 | ((W)heap [k])->active = k + 1; |
667 | } |
754 | } |
… | |
… | |
676 | /*****************************************************************************/ |
763 | /*****************************************************************************/ |
677 | |
764 | |
678 | typedef struct |
765 | typedef struct |
679 | { |
766 | { |
680 | WL head; |
767 | WL head; |
681 | sig_atomic_t volatile gotsig; |
768 | EV_ATOMIC_T gotsig; |
682 | } ANSIG; |
769 | } ANSIG; |
683 | |
770 | |
684 | static ANSIG *signals; |
771 | static ANSIG *signals; |
685 | static int signalmax; |
772 | static int signalmax; |
686 | |
773 | |
687 | static int sigpipe [2]; |
774 | static EV_ATOMIC_T gotsig; |
688 | static sig_atomic_t volatile gotsig; |
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689 | static ev_io sigev; |
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690 | |
775 | |
691 | void inline_size |
776 | void inline_size |
692 | signals_init (ANSIG *base, int count) |
777 | signals_init (ANSIG *base, int count) |
693 | { |
778 | { |
694 | while (count--) |
779 | while (count--) |
… | |
… | |
698 | |
783 | |
699 | ++base; |
784 | ++base; |
700 | } |
785 | } |
701 | } |
786 | } |
702 | |
787 | |
703 | static void |
788 | /*****************************************************************************/ |
704 | sighandler (int signum) |
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705 | { |
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706 | #if _WIN32 |
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707 | signal (signum, sighandler); |
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708 | #endif |
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709 | |
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710 | signals [signum - 1].gotsig = 1; |
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711 | |
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712 | if (!gotsig) |
|
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713 | { |
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714 | int old_errno = errno; |
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715 | gotsig = 1; |
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716 | write (sigpipe [1], &signum, 1); |
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717 | errno = old_errno; |
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718 | } |
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719 | } |
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720 | |
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721 | void noinline |
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722 | ev_feed_signal_event (EV_P_ int signum) |
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723 | { |
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724 | WL w; |
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725 | |
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726 | #if EV_MULTIPLICITY |
|
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727 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
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728 | #endif |
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729 | |
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730 | --signum; |
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731 | |
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732 | if (signum < 0 || signum >= signalmax) |
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733 | return; |
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734 | |
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735 | signals [signum].gotsig = 0; |
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736 | |
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737 | for (w = signals [signum].head; w; w = w->next) |
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738 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
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739 | } |
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740 | |
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741 | static void |
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742 | sigcb (EV_P_ ev_io *iow, int revents) |
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|
743 | { |
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744 | int signum; |
|
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745 | |
|
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746 | read (sigpipe [0], &revents, 1); |
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747 | gotsig = 0; |
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748 | |
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749 | for (signum = signalmax; signum--; ) |
|
|
750 | if (signals [signum].gotsig) |
|
|
751 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
752 | } |
|
|
753 | |
789 | |
754 | void inline_speed |
790 | void inline_speed |
755 | fd_intern (int fd) |
791 | fd_intern (int fd) |
756 | { |
792 | { |
757 | #ifdef _WIN32 |
793 | #ifdef _WIN32 |
… | |
… | |
762 | fcntl (fd, F_SETFL, O_NONBLOCK); |
798 | fcntl (fd, F_SETFL, O_NONBLOCK); |
763 | #endif |
799 | #endif |
764 | } |
800 | } |
765 | |
801 | |
766 | static void noinline |
802 | static void noinline |
767 | siginit (EV_P) |
803 | evpipe_init (EV_P) |
768 | { |
804 | { |
|
|
805 | if (!ev_is_active (&pipeev)) |
|
|
806 | { |
|
|
807 | while (pipe (evpipe)) |
|
|
808 | syserr ("(libev) error creating signal/async pipe"); |
|
|
809 | |
769 | fd_intern (sigpipe [0]); |
810 | fd_intern (evpipe [0]); |
770 | fd_intern (sigpipe [1]); |
811 | fd_intern (evpipe [1]); |
771 | |
812 | |
772 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
773 | ev_io_start (EV_A_ &sigev); |
814 | ev_io_start (EV_A_ &pipeev); |
774 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
815 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
|
|
816 | } |
|
|
817 | } |
|
|
818 | |
|
|
819 | void inline_size |
|
|
820 | evpipe_write (EV_P_ int sig, int async) |
|
|
821 | { |
|
|
822 | if (!(gotasync || gotsig)) |
|
|
823 | { |
|
|
824 | int old_errno = errno; |
|
|
825 | |
|
|
826 | if (sig) gotsig = 1; |
|
|
827 | if (async) gotasync = 1; |
|
|
828 | |
|
|
829 | write (evpipe [1], &old_errno, 1); |
|
|
830 | errno = old_errno; |
|
|
831 | } |
|
|
832 | } |
|
|
833 | |
|
|
834 | static void |
|
|
835 | pipecb (EV_P_ ev_io *iow, int revents) |
|
|
836 | { |
|
|
837 | { |
|
|
838 | int dummy; |
|
|
839 | read (evpipe [0], &dummy, 1); |
|
|
840 | } |
|
|
841 | |
|
|
842 | if (gotsig) |
|
|
843 | { |
|
|
844 | int signum; |
|
|
845 | gotsig = 0; |
|
|
846 | |
|
|
847 | for (signum = signalmax; signum--; ) |
|
|
848 | if (signals [signum].gotsig) |
|
|
849 | ev_feed_signal_event (EV_A_ signum + 1); |
|
|
850 | } |
|
|
851 | |
|
|
852 | if (gotasync) |
|
|
853 | { |
|
|
854 | int i; |
|
|
855 | gotasync = 0; |
|
|
856 | |
|
|
857 | for (i = asynccnt; i--; ) |
|
|
858 | if (asyncs [i]->sent) |
|
|
859 | { |
|
|
860 | asyncs [i]->sent = 0; |
|
|
861 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
|
|
862 | } |
|
|
863 | } |
775 | } |
864 | } |
776 | |
865 | |
777 | /*****************************************************************************/ |
866 | /*****************************************************************************/ |
778 | |
867 | |
|
|
868 | static void |
|
|
869 | sighandler (int signum) |
|
|
870 | { |
|
|
871 | #if EV_MULTIPLICITY |
|
|
872 | struct ev_loop *loop = &default_loop_struct; |
|
|
873 | #endif |
|
|
874 | |
|
|
875 | #if _WIN32 |
|
|
876 | signal (signum, sighandler); |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | signals [signum - 1].gotsig = 1; |
|
|
880 | evpipe_write (EV_A_ 1, 0); |
|
|
881 | } |
|
|
882 | |
|
|
883 | void noinline |
|
|
884 | ev_feed_signal_event (EV_P_ int signum) |
|
|
885 | { |
|
|
886 | WL w; |
|
|
887 | |
|
|
888 | #if EV_MULTIPLICITY |
|
|
889 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
890 | #endif |
|
|
891 | |
|
|
892 | --signum; |
|
|
893 | |
|
|
894 | if (signum < 0 || signum >= signalmax) |
|
|
895 | return; |
|
|
896 | |
|
|
897 | signals [signum].gotsig = 0; |
|
|
898 | |
|
|
899 | for (w = signals [signum].head; w; w = w->next) |
|
|
900 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
901 | } |
|
|
902 | |
|
|
903 | /*****************************************************************************/ |
|
|
904 | |
779 | static ev_child *childs [EV_PID_HASHSIZE]; |
905 | static WL childs [EV_PID_HASHSIZE]; |
780 | |
906 | |
781 | #ifndef _WIN32 |
907 | #ifndef _WIN32 |
782 | |
908 | |
783 | static ev_signal childev; |
909 | static ev_signal childev; |
|
|
910 | |
|
|
911 | #ifndef WIFCONTINUED |
|
|
912 | # define WIFCONTINUED(status) 0 |
|
|
913 | #endif |
784 | |
914 | |
785 | void inline_speed |
915 | void inline_speed |
786 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
916 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
787 | { |
917 | { |
788 | ev_child *w; |
918 | ev_child *w; |
|
|
919 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
789 | |
920 | |
790 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
921 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
922 | { |
791 | if (w->pid == pid || !w->pid) |
923 | if ((w->pid == pid || !w->pid) |
|
|
924 | && (!traced || (w->flags & 1))) |
792 | { |
925 | { |
793 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
926 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
794 | w->rpid = pid; |
927 | w->rpid = pid; |
795 | w->rstatus = status; |
928 | w->rstatus = status; |
796 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
929 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
797 | } |
930 | } |
|
|
931 | } |
798 | } |
932 | } |
799 | |
933 | |
800 | #ifndef WCONTINUED |
934 | #ifndef WCONTINUED |
801 | # define WCONTINUED 0 |
935 | # define WCONTINUED 0 |
802 | #endif |
936 | #endif |
… | |
… | |
899 | } |
1033 | } |
900 | |
1034 | |
901 | unsigned int |
1035 | unsigned int |
902 | ev_embeddable_backends (void) |
1036 | ev_embeddable_backends (void) |
903 | { |
1037 | { |
904 | return EVBACKEND_EPOLL |
1038 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
905 | | EVBACKEND_KQUEUE |
1039 | |
906 | | EVBACKEND_PORT; |
1040 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
1041 | /* please fix it and tell me how to detect the fix */ |
|
|
1042 | flags &= ~EVBACKEND_EPOLL; |
|
|
1043 | |
|
|
1044 | return flags; |
907 | } |
1045 | } |
908 | |
1046 | |
909 | unsigned int |
1047 | unsigned int |
910 | ev_backend (EV_P) |
1048 | ev_backend (EV_P) |
911 | { |
1049 | { |
… | |
… | |
914 | |
1052 | |
915 | unsigned int |
1053 | unsigned int |
916 | ev_loop_count (EV_P) |
1054 | ev_loop_count (EV_P) |
917 | { |
1055 | { |
918 | return loop_count; |
1056 | return loop_count; |
|
|
1057 | } |
|
|
1058 | |
|
|
1059 | void |
|
|
1060 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1061 | { |
|
|
1062 | io_blocktime = interval; |
|
|
1063 | } |
|
|
1064 | |
|
|
1065 | void |
|
|
1066 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1067 | { |
|
|
1068 | timeout_blocktime = interval; |
919 | } |
1069 | } |
920 | |
1070 | |
921 | static void noinline |
1071 | static void noinline |
922 | loop_init (EV_P_ unsigned int flags) |
1072 | loop_init (EV_P_ unsigned int flags) |
923 | { |
1073 | { |
… | |
… | |
934 | ev_rt_now = ev_time (); |
1084 | ev_rt_now = ev_time (); |
935 | mn_now = get_clock (); |
1085 | mn_now = get_clock (); |
936 | now_floor = mn_now; |
1086 | now_floor = mn_now; |
937 | rtmn_diff = ev_rt_now - mn_now; |
1087 | rtmn_diff = ev_rt_now - mn_now; |
938 | |
1088 | |
|
|
1089 | io_blocktime = 0.; |
|
|
1090 | timeout_blocktime = 0.; |
|
|
1091 | |
939 | /* pid check not overridable via env */ |
1092 | /* pid check not overridable via env */ |
940 | #ifndef _WIN32 |
1093 | #ifndef _WIN32 |
941 | if (flags & EVFLAG_FORKCHECK) |
1094 | if (flags & EVFLAG_FORKCHECK) |
942 | curpid = getpid (); |
1095 | curpid = getpid (); |
943 | #endif |
1096 | #endif |
… | |
… | |
970 | #endif |
1123 | #endif |
971 | #if EV_USE_SELECT |
1124 | #if EV_USE_SELECT |
972 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1125 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
973 | #endif |
1126 | #endif |
974 | |
1127 | |
975 | ev_init (&sigev, sigcb); |
1128 | ev_init (&pipeev, pipecb); |
976 | ev_set_priority (&sigev, EV_MAXPRI); |
1129 | ev_set_priority (&pipeev, EV_MAXPRI); |
977 | } |
1130 | } |
978 | } |
1131 | } |
979 | |
1132 | |
980 | static void noinline |
1133 | static void noinline |
981 | loop_destroy (EV_P) |
1134 | loop_destroy (EV_P) |
982 | { |
1135 | { |
983 | int i; |
1136 | int i; |
|
|
1137 | |
|
|
1138 | if (ev_is_active (&pipeev)) |
|
|
1139 | { |
|
|
1140 | ev_ref (EV_A); /* signal watcher */ |
|
|
1141 | ev_io_stop (EV_A_ &pipeev); |
|
|
1142 | |
|
|
1143 | close (evpipe [0]); evpipe [0] = 0; |
|
|
1144 | close (evpipe [1]); evpipe [1] = 0; |
|
|
1145 | } |
984 | |
1146 | |
985 | #if EV_USE_INOTIFY |
1147 | #if EV_USE_INOTIFY |
986 | if (fs_fd >= 0) |
1148 | if (fs_fd >= 0) |
987 | close (fs_fd); |
1149 | close (fs_fd); |
988 | #endif |
1150 | #endif |
… | |
… | |
1011 | array_free (pending, [i]); |
1173 | array_free (pending, [i]); |
1012 | #if EV_IDLE_ENABLE |
1174 | #if EV_IDLE_ENABLE |
1013 | array_free (idle, [i]); |
1175 | array_free (idle, [i]); |
1014 | #endif |
1176 | #endif |
1015 | } |
1177 | } |
|
|
1178 | |
|
|
1179 | ev_free (anfds); anfdmax = 0; |
1016 | |
1180 | |
1017 | /* have to use the microsoft-never-gets-it-right macro */ |
1181 | /* have to use the microsoft-never-gets-it-right macro */ |
1018 | array_free (fdchange, EMPTY); |
1182 | array_free (fdchange, EMPTY); |
1019 | array_free (timer, EMPTY); |
1183 | array_free (timer, EMPTY); |
1020 | #if EV_PERIODIC_ENABLE |
1184 | #if EV_PERIODIC_ENABLE |
1021 | array_free (periodic, EMPTY); |
1185 | array_free (periodic, EMPTY); |
1022 | #endif |
1186 | #endif |
|
|
1187 | #if EV_FORK_ENABLE |
|
|
1188 | array_free (fork, EMPTY); |
|
|
1189 | #endif |
1023 | array_free (prepare, EMPTY); |
1190 | array_free (prepare, EMPTY); |
1024 | array_free (check, EMPTY); |
1191 | array_free (check, EMPTY); |
1025 | |
1192 | |
1026 | backend = 0; |
1193 | backend = 0; |
1027 | } |
1194 | } |
… | |
… | |
1042 | #endif |
1209 | #endif |
1043 | #if EV_USE_INOTIFY |
1210 | #if EV_USE_INOTIFY |
1044 | infy_fork (EV_A); |
1211 | infy_fork (EV_A); |
1045 | #endif |
1212 | #endif |
1046 | |
1213 | |
1047 | if (ev_is_active (&sigev)) |
1214 | if (ev_is_active (&pipeev)) |
1048 | { |
1215 | { |
1049 | /* default loop */ |
1216 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1217 | gotsig = gotasync = 1; |
1050 | |
1218 | |
1051 | ev_ref (EV_A); |
1219 | ev_ref (EV_A); |
1052 | ev_io_stop (EV_A_ &sigev); |
1220 | ev_io_stop (EV_A_ &pipeev); |
1053 | close (sigpipe [0]); |
1221 | close (evpipe [0]); |
1054 | close (sigpipe [1]); |
1222 | close (evpipe [1]); |
1055 | |
1223 | |
1056 | while (pipe (sigpipe)) |
|
|
1057 | syserr ("(libev) error creating pipe"); |
|
|
1058 | |
|
|
1059 | siginit (EV_A); |
1224 | evpipe_init (EV_A); |
|
|
1225 | /* now iterate over everything */ |
|
|
1226 | evcb (EV_A_ &pipeev, EV_READ); |
1060 | } |
1227 | } |
1061 | |
1228 | |
1062 | postfork = 0; |
1229 | postfork = 0; |
1063 | } |
1230 | } |
1064 | |
1231 | |
… | |
… | |
1086 | } |
1253 | } |
1087 | |
1254 | |
1088 | void |
1255 | void |
1089 | ev_loop_fork (EV_P) |
1256 | ev_loop_fork (EV_P) |
1090 | { |
1257 | { |
1091 | postfork = 1; |
1258 | postfork = 1; /* must be in line with ev_default_fork */ |
1092 | } |
1259 | } |
1093 | |
1260 | |
1094 | #endif |
1261 | #endif |
1095 | |
1262 | |
1096 | #if EV_MULTIPLICITY |
1263 | #if EV_MULTIPLICITY |
… | |
… | |
1099 | #else |
1266 | #else |
1100 | int |
1267 | int |
1101 | ev_default_loop (unsigned int flags) |
1268 | ev_default_loop (unsigned int flags) |
1102 | #endif |
1269 | #endif |
1103 | { |
1270 | { |
1104 | if (sigpipe [0] == sigpipe [1]) |
|
|
1105 | if (pipe (sigpipe)) |
|
|
1106 | return 0; |
|
|
1107 | |
|
|
1108 | if (!ev_default_loop_ptr) |
1271 | if (!ev_default_loop_ptr) |
1109 | { |
1272 | { |
1110 | #if EV_MULTIPLICITY |
1273 | #if EV_MULTIPLICITY |
1111 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1274 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1112 | #else |
1275 | #else |
… | |
… | |
1115 | |
1278 | |
1116 | loop_init (EV_A_ flags); |
1279 | loop_init (EV_A_ flags); |
1117 | |
1280 | |
1118 | if (ev_backend (EV_A)) |
1281 | if (ev_backend (EV_A)) |
1119 | { |
1282 | { |
1120 | siginit (EV_A); |
|
|
1121 | |
|
|
1122 | #ifndef _WIN32 |
1283 | #ifndef _WIN32 |
1123 | ev_signal_init (&childev, childcb, SIGCHLD); |
1284 | ev_signal_init (&childev, childcb, SIGCHLD); |
1124 | ev_set_priority (&childev, EV_MAXPRI); |
1285 | ev_set_priority (&childev, EV_MAXPRI); |
1125 | ev_signal_start (EV_A_ &childev); |
1286 | ev_signal_start (EV_A_ &childev); |
1126 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1287 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1143 | #ifndef _WIN32 |
1304 | #ifndef _WIN32 |
1144 | ev_ref (EV_A); /* child watcher */ |
1305 | ev_ref (EV_A); /* child watcher */ |
1145 | ev_signal_stop (EV_A_ &childev); |
1306 | ev_signal_stop (EV_A_ &childev); |
1146 | #endif |
1307 | #endif |
1147 | |
1308 | |
1148 | ev_ref (EV_A); /* signal watcher */ |
|
|
1149 | ev_io_stop (EV_A_ &sigev); |
|
|
1150 | |
|
|
1151 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1152 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1153 | |
|
|
1154 | loop_destroy (EV_A); |
1309 | loop_destroy (EV_A); |
1155 | } |
1310 | } |
1156 | |
1311 | |
1157 | void |
1312 | void |
1158 | ev_default_fork (void) |
1313 | ev_default_fork (void) |
… | |
… | |
1160 | #if EV_MULTIPLICITY |
1315 | #if EV_MULTIPLICITY |
1161 | struct ev_loop *loop = ev_default_loop_ptr; |
1316 | struct ev_loop *loop = ev_default_loop_ptr; |
1162 | #endif |
1317 | #endif |
1163 | |
1318 | |
1164 | if (backend) |
1319 | if (backend) |
1165 | postfork = 1; |
1320 | postfork = 1; /* must be in line with ev_loop_fork */ |
1166 | } |
1321 | } |
1167 | |
1322 | |
1168 | /*****************************************************************************/ |
1323 | /*****************************************************************************/ |
1169 | |
1324 | |
1170 | void |
1325 | void |
… | |
… | |
1196 | void inline_size |
1351 | void inline_size |
1197 | timers_reify (EV_P) |
1352 | timers_reify (EV_P) |
1198 | { |
1353 | { |
1199 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1354 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1200 | { |
1355 | { |
1201 | ev_timer *w = timers [0]; |
1356 | ev_timer *w = (ev_timer *)timers [0]; |
1202 | |
1357 | |
1203 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1358 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1204 | |
1359 | |
1205 | /* first reschedule or stop timer */ |
1360 | /* first reschedule or stop timer */ |
1206 | if (w->repeat) |
1361 | if (w->repeat) |
… | |
… | |
1209 | |
1364 | |
1210 | ((WT)w)->at += w->repeat; |
1365 | ((WT)w)->at += w->repeat; |
1211 | if (((WT)w)->at < mn_now) |
1366 | if (((WT)w)->at < mn_now) |
1212 | ((WT)w)->at = mn_now; |
1367 | ((WT)w)->at = mn_now; |
1213 | |
1368 | |
1214 | downheap ((WT *)timers, timercnt, 0); |
1369 | downheap (timers, timercnt, 0); |
1215 | } |
1370 | } |
1216 | else |
1371 | else |
1217 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1372 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1218 | |
1373 | |
1219 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1374 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1224 | void inline_size |
1379 | void inline_size |
1225 | periodics_reify (EV_P) |
1380 | periodics_reify (EV_P) |
1226 | { |
1381 | { |
1227 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1382 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1228 | { |
1383 | { |
1229 | ev_periodic *w = periodics [0]; |
1384 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1230 | |
1385 | |
1231 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1386 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1232 | |
1387 | |
1233 | /* first reschedule or stop timer */ |
1388 | /* first reschedule or stop timer */ |
1234 | if (w->reschedule_cb) |
1389 | if (w->reschedule_cb) |
1235 | { |
1390 | { |
1236 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001220703125 /* 1/8192 */); |
1391 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1237 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1392 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1238 | downheap ((WT *)periodics, periodiccnt, 0); |
1393 | downheap (periodics, periodiccnt, 0); |
1239 | } |
1394 | } |
1240 | else if (w->interval) |
1395 | else if (w->interval) |
1241 | { |
1396 | { |
1242 | ((WT)w)->at = w->offset + (floor ((ev_rt_now - w->offset) / w->interval) + 1.) * w->interval; |
1397 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1398 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1243 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1399 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1244 | downheap ((WT *)periodics, periodiccnt, 0); |
1400 | downheap (periodics, periodiccnt, 0); |
1245 | } |
1401 | } |
1246 | else |
1402 | else |
1247 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1403 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1248 | |
1404 | |
1249 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1405 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1256 | int i; |
1412 | int i; |
1257 | |
1413 | |
1258 | /* adjust periodics after time jump */ |
1414 | /* adjust periodics after time jump */ |
1259 | for (i = 0; i < periodiccnt; ++i) |
1415 | for (i = 0; i < periodiccnt; ++i) |
1260 | { |
1416 | { |
1261 | ev_periodic *w = periodics [i]; |
1417 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1262 | |
1418 | |
1263 | if (w->reschedule_cb) |
1419 | if (w->reschedule_cb) |
1264 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1420 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1265 | else if (w->interval) |
1421 | else if (w->interval) |
1266 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1422 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1267 | } |
1423 | } |
1268 | |
1424 | |
1269 | /* now rebuild the heap */ |
1425 | /* now rebuild the heap */ |
1270 | for (i = periodiccnt >> 1; i--; ) |
1426 | for (i = periodiccnt >> 1; i--; ) |
1271 | downheap ((WT *)periodics, periodiccnt, i); |
1427 | downheap (periodics, periodiccnt, i); |
1272 | } |
1428 | } |
1273 | #endif |
1429 | #endif |
1274 | |
1430 | |
1275 | #if EV_IDLE_ENABLE |
1431 | #if EV_IDLE_ENABLE |
1276 | void inline_size |
1432 | void inline_size |
… | |
… | |
1293 | } |
1449 | } |
1294 | } |
1450 | } |
1295 | } |
1451 | } |
1296 | #endif |
1452 | #endif |
1297 | |
1453 | |
1298 | int inline_size |
1454 | void inline_speed |
1299 | time_update_monotonic (EV_P) |
1455 | time_update (EV_P_ ev_tstamp max_block) |
1300 | { |
1456 | { |
|
|
1457 | int i; |
|
|
1458 | |
|
|
1459 | #if EV_USE_MONOTONIC |
|
|
1460 | if (expect_true (have_monotonic)) |
|
|
1461 | { |
|
|
1462 | ev_tstamp odiff = rtmn_diff; |
|
|
1463 | |
1301 | mn_now = get_clock (); |
1464 | mn_now = get_clock (); |
1302 | |
1465 | |
|
|
1466 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1467 | /* interpolate in the meantime */ |
1303 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1468 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1304 | { |
1469 | { |
1305 | ev_rt_now = rtmn_diff + mn_now; |
1470 | ev_rt_now = rtmn_diff + mn_now; |
1306 | return 0; |
1471 | return; |
1307 | } |
1472 | } |
1308 | else |
1473 | |
1309 | { |
|
|
1310 | now_floor = mn_now; |
1474 | now_floor = mn_now; |
1311 | ev_rt_now = ev_time (); |
1475 | ev_rt_now = ev_time (); |
1312 | return 1; |
|
|
1313 | } |
|
|
1314 | } |
|
|
1315 | |
1476 | |
1316 | void inline_size |
1477 | /* loop a few times, before making important decisions. |
1317 | time_update (EV_P) |
1478 | * on the choice of "4": one iteration isn't enough, |
1318 | { |
1479 | * in case we get preempted during the calls to |
1319 | int i; |
1480 | * ev_time and get_clock. a second call is almost guaranteed |
1320 | |
1481 | * to succeed in that case, though. and looping a few more times |
1321 | #if EV_USE_MONOTONIC |
1482 | * doesn't hurt either as we only do this on time-jumps or |
1322 | if (expect_true (have_monotonic)) |
1483 | * in the unlikely event of having been preempted here. |
1323 | { |
1484 | */ |
1324 | if (time_update_monotonic (EV_A)) |
1485 | for (i = 4; --i; ) |
1325 | { |
1486 | { |
1326 | ev_tstamp odiff = rtmn_diff; |
|
|
1327 | |
|
|
1328 | /* loop a few times, before making important decisions. |
|
|
1329 | * on the choice of "4": one iteration isn't enough, |
|
|
1330 | * in case we get preempted during the calls to |
|
|
1331 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1332 | * to succeed in that case, though. and looping a few more times |
|
|
1333 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1334 | * in the unlikely event of having been preempted here. |
|
|
1335 | */ |
|
|
1336 | for (i = 4; --i; ) |
|
|
1337 | { |
|
|
1338 | rtmn_diff = ev_rt_now - mn_now; |
1487 | rtmn_diff = ev_rt_now - mn_now; |
1339 | |
1488 | |
1340 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1489 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1341 | return; /* all is well */ |
1490 | return; /* all is well */ |
1342 | |
1491 | |
1343 | ev_rt_now = ev_time (); |
1492 | ev_rt_now = ev_time (); |
1344 | mn_now = get_clock (); |
1493 | mn_now = get_clock (); |
1345 | now_floor = mn_now; |
1494 | now_floor = mn_now; |
1346 | } |
1495 | } |
1347 | |
1496 | |
1348 | # if EV_PERIODIC_ENABLE |
1497 | # if EV_PERIODIC_ENABLE |
1349 | periodics_reschedule (EV_A); |
1498 | periodics_reschedule (EV_A); |
1350 | # endif |
1499 | # endif |
1351 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1500 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1352 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1501 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1353 | } |
|
|
1354 | } |
1502 | } |
1355 | else |
1503 | else |
1356 | #endif |
1504 | #endif |
1357 | { |
1505 | { |
1358 | ev_rt_now = ev_time (); |
1506 | ev_rt_now = ev_time (); |
1359 | |
1507 | |
1360 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1508 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1361 | { |
1509 | { |
1362 | #if EV_PERIODIC_ENABLE |
1510 | #if EV_PERIODIC_ENABLE |
1363 | periodics_reschedule (EV_A); |
1511 | periodics_reschedule (EV_A); |
1364 | #endif |
1512 | #endif |
1365 | |
|
|
1366 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1513 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1367 | for (i = 0; i < timercnt; ++i) |
1514 | for (i = 0; i < timercnt; ++i) |
1368 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1515 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1369 | } |
1516 | } |
1370 | |
1517 | |
… | |
… | |
1433 | /* update fd-related kernel structures */ |
1580 | /* update fd-related kernel structures */ |
1434 | fd_reify (EV_A); |
1581 | fd_reify (EV_A); |
1435 | |
1582 | |
1436 | /* calculate blocking time */ |
1583 | /* calculate blocking time */ |
1437 | { |
1584 | { |
1438 | ev_tstamp block; |
1585 | ev_tstamp waittime = 0.; |
|
|
1586 | ev_tstamp sleeptime = 0.; |
1439 | |
1587 | |
1440 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1588 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1441 | block = 0.; /* do not block at all */ |
|
|
1442 | else |
|
|
1443 | { |
1589 | { |
1444 | /* update time to cancel out callback processing overhead */ |
1590 | /* update time to cancel out callback processing overhead */ |
1445 | #if EV_USE_MONOTONIC |
|
|
1446 | if (expect_true (have_monotonic)) |
|
|
1447 | time_update_monotonic (EV_A); |
1591 | time_update (EV_A_ 1e100); |
1448 | else |
|
|
1449 | #endif |
|
|
1450 | { |
|
|
1451 | ev_rt_now = ev_time (); |
|
|
1452 | mn_now = ev_rt_now; |
|
|
1453 | } |
|
|
1454 | |
1592 | |
1455 | block = MAX_BLOCKTIME; |
1593 | waittime = MAX_BLOCKTIME; |
1456 | |
1594 | |
1457 | if (timercnt) |
1595 | if (timercnt) |
1458 | { |
1596 | { |
1459 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1597 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1460 | if (block > to) block = to; |
1598 | if (waittime > to) waittime = to; |
1461 | } |
1599 | } |
1462 | |
1600 | |
1463 | #if EV_PERIODIC_ENABLE |
1601 | #if EV_PERIODIC_ENABLE |
1464 | if (periodiccnt) |
1602 | if (periodiccnt) |
1465 | { |
1603 | { |
1466 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1604 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1467 | if (block > to) block = to; |
1605 | if (waittime > to) waittime = to; |
1468 | } |
1606 | } |
1469 | #endif |
1607 | #endif |
1470 | |
1608 | |
1471 | if (expect_false (block < 0.)) block = 0.; |
1609 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1610 | waittime = timeout_blocktime; |
|
|
1611 | |
|
|
1612 | sleeptime = waittime - backend_fudge; |
|
|
1613 | |
|
|
1614 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1615 | sleeptime = io_blocktime; |
|
|
1616 | |
|
|
1617 | if (sleeptime) |
|
|
1618 | { |
|
|
1619 | ev_sleep (sleeptime); |
|
|
1620 | waittime -= sleeptime; |
|
|
1621 | } |
1472 | } |
1622 | } |
1473 | |
1623 | |
1474 | ++loop_count; |
1624 | ++loop_count; |
1475 | backend_poll (EV_A_ block); |
1625 | backend_poll (EV_A_ waittime); |
|
|
1626 | |
|
|
1627 | /* update ev_rt_now, do magic */ |
|
|
1628 | time_update (EV_A_ waittime + sleeptime); |
1476 | } |
1629 | } |
1477 | |
|
|
1478 | /* update ev_rt_now, do magic */ |
|
|
1479 | time_update (EV_A); |
|
|
1480 | |
1630 | |
1481 | /* queue pending timers and reschedule them */ |
1631 | /* queue pending timers and reschedule them */ |
1482 | timers_reify (EV_A); /* relative timers called last */ |
1632 | timers_reify (EV_A); /* relative timers called last */ |
1483 | #if EV_PERIODIC_ENABLE |
1633 | #if EV_PERIODIC_ENABLE |
1484 | periodics_reify (EV_A); /* absolute timers called first */ |
1634 | periodics_reify (EV_A); /* absolute timers called first */ |
… | |
… | |
1595 | |
1745 | |
1596 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1746 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1597 | |
1747 | |
1598 | ev_start (EV_A_ (W)w, 1); |
1748 | ev_start (EV_A_ (W)w, 1); |
1599 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1749 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1600 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1750 | wlist_add (&anfds[fd].head, (WL)w); |
1601 | |
1751 | |
1602 | fd_change (EV_A_ fd); |
1752 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1753 | w->events &= ~EV_IOFDSET; |
1603 | } |
1754 | } |
1604 | |
1755 | |
1605 | void noinline |
1756 | void noinline |
1606 | ev_io_stop (EV_P_ ev_io *w) |
1757 | ev_io_stop (EV_P_ ev_io *w) |
1607 | { |
1758 | { |
… | |
… | |
1609 | if (expect_false (!ev_is_active (w))) |
1760 | if (expect_false (!ev_is_active (w))) |
1610 | return; |
1761 | return; |
1611 | |
1762 | |
1612 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1763 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1613 | |
1764 | |
1614 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1765 | wlist_del (&anfds[w->fd].head, (WL)w); |
1615 | ev_stop (EV_A_ (W)w); |
1766 | ev_stop (EV_A_ (W)w); |
1616 | |
1767 | |
1617 | fd_change (EV_A_ w->fd); |
1768 | fd_change (EV_A_ w->fd, 1); |
1618 | } |
1769 | } |
1619 | |
1770 | |
1620 | void noinline |
1771 | void noinline |
1621 | ev_timer_start (EV_P_ ev_timer *w) |
1772 | ev_timer_start (EV_P_ ev_timer *w) |
1622 | { |
1773 | { |
… | |
… | |
1626 | ((WT)w)->at += mn_now; |
1777 | ((WT)w)->at += mn_now; |
1627 | |
1778 | |
1628 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1779 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1629 | |
1780 | |
1630 | ev_start (EV_A_ (W)w, ++timercnt); |
1781 | ev_start (EV_A_ (W)w, ++timercnt); |
1631 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1782 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1632 | timers [timercnt - 1] = w; |
1783 | timers [timercnt - 1] = (WT)w; |
1633 | upheap ((WT *)timers, timercnt - 1); |
1784 | upheap (timers, timercnt - 1); |
1634 | |
1785 | |
1635 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1786 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1636 | } |
1787 | } |
1637 | |
1788 | |
1638 | void noinline |
1789 | void noinline |
… | |
… | |
1640 | { |
1791 | { |
1641 | clear_pending (EV_A_ (W)w); |
1792 | clear_pending (EV_A_ (W)w); |
1642 | if (expect_false (!ev_is_active (w))) |
1793 | if (expect_false (!ev_is_active (w))) |
1643 | return; |
1794 | return; |
1644 | |
1795 | |
1645 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1796 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1646 | |
1797 | |
1647 | { |
1798 | { |
1648 | int active = ((W)w)->active; |
1799 | int active = ((W)w)->active; |
1649 | |
1800 | |
1650 | if (expect_true (--active < --timercnt)) |
1801 | if (expect_true (--active < --timercnt)) |
1651 | { |
1802 | { |
1652 | timers [active] = timers [timercnt]; |
1803 | timers [active] = timers [timercnt]; |
1653 | adjustheap ((WT *)timers, timercnt, active); |
1804 | adjustheap (timers, timercnt, active); |
1654 | } |
1805 | } |
1655 | } |
1806 | } |
1656 | |
1807 | |
1657 | ((WT)w)->at -= mn_now; |
1808 | ((WT)w)->at -= mn_now; |
1658 | |
1809 | |
… | |
… | |
1665 | if (ev_is_active (w)) |
1816 | if (ev_is_active (w)) |
1666 | { |
1817 | { |
1667 | if (w->repeat) |
1818 | if (w->repeat) |
1668 | { |
1819 | { |
1669 | ((WT)w)->at = mn_now + w->repeat; |
1820 | ((WT)w)->at = mn_now + w->repeat; |
1670 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1821 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1671 | } |
1822 | } |
1672 | else |
1823 | else |
1673 | ev_timer_stop (EV_A_ w); |
1824 | ev_timer_stop (EV_A_ w); |
1674 | } |
1825 | } |
1675 | else if (w->repeat) |
1826 | else if (w->repeat) |
… | |
… | |
1696 | } |
1847 | } |
1697 | else |
1848 | else |
1698 | ((WT)w)->at = w->offset; |
1849 | ((WT)w)->at = w->offset; |
1699 | |
1850 | |
1700 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1851 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1701 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1852 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1702 | periodics [periodiccnt - 1] = w; |
1853 | periodics [periodiccnt - 1] = (WT)w; |
1703 | upheap ((WT *)periodics, periodiccnt - 1); |
1854 | upheap (periodics, periodiccnt - 1); |
1704 | |
1855 | |
1705 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1856 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1706 | } |
1857 | } |
1707 | |
1858 | |
1708 | void noinline |
1859 | void noinline |
… | |
… | |
1710 | { |
1861 | { |
1711 | clear_pending (EV_A_ (W)w); |
1862 | clear_pending (EV_A_ (W)w); |
1712 | if (expect_false (!ev_is_active (w))) |
1863 | if (expect_false (!ev_is_active (w))) |
1713 | return; |
1864 | return; |
1714 | |
1865 | |
1715 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1866 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1716 | |
1867 | |
1717 | { |
1868 | { |
1718 | int active = ((W)w)->active; |
1869 | int active = ((W)w)->active; |
1719 | |
1870 | |
1720 | if (expect_true (--active < --periodiccnt)) |
1871 | if (expect_true (--active < --periodiccnt)) |
1721 | { |
1872 | { |
1722 | periodics [active] = periodics [periodiccnt]; |
1873 | periodics [active] = periodics [periodiccnt]; |
1723 | adjustheap ((WT *)periodics, periodiccnt, active); |
1874 | adjustheap (periodics, periodiccnt, active); |
1724 | } |
1875 | } |
1725 | } |
1876 | } |
1726 | |
1877 | |
1727 | ev_stop (EV_A_ (W)w); |
1878 | ev_stop (EV_A_ (W)w); |
1728 | } |
1879 | } |
… | |
… | |
1749 | if (expect_false (ev_is_active (w))) |
1900 | if (expect_false (ev_is_active (w))) |
1750 | return; |
1901 | return; |
1751 | |
1902 | |
1752 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1903 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1753 | |
1904 | |
|
|
1905 | evpipe_init (EV_A); |
|
|
1906 | |
|
|
1907 | { |
|
|
1908 | #ifndef _WIN32 |
|
|
1909 | sigset_t full, prev; |
|
|
1910 | sigfillset (&full); |
|
|
1911 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1912 | #endif |
|
|
1913 | |
|
|
1914 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1915 | |
|
|
1916 | #ifndef _WIN32 |
|
|
1917 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1918 | #endif |
|
|
1919 | } |
|
|
1920 | |
1754 | ev_start (EV_A_ (W)w, 1); |
1921 | ev_start (EV_A_ (W)w, 1); |
1755 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1756 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1922 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1757 | |
1923 | |
1758 | if (!((WL)w)->next) |
1924 | if (!((WL)w)->next) |
1759 | { |
1925 | { |
1760 | #if _WIN32 |
1926 | #if _WIN32 |
1761 | signal (w->signum, sighandler); |
1927 | signal (w->signum, sighandler); |
… | |
… | |
1774 | { |
1940 | { |
1775 | clear_pending (EV_A_ (W)w); |
1941 | clear_pending (EV_A_ (W)w); |
1776 | if (expect_false (!ev_is_active (w))) |
1942 | if (expect_false (!ev_is_active (w))) |
1777 | return; |
1943 | return; |
1778 | |
1944 | |
1779 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1945 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1780 | ev_stop (EV_A_ (W)w); |
1946 | ev_stop (EV_A_ (W)w); |
1781 | |
1947 | |
1782 | if (!signals [w->signum - 1].head) |
1948 | if (!signals [w->signum - 1].head) |
1783 | signal (w->signum, SIG_DFL); |
1949 | signal (w->signum, SIG_DFL); |
1784 | } |
1950 | } |
… | |
… | |
1791 | #endif |
1957 | #endif |
1792 | if (expect_false (ev_is_active (w))) |
1958 | if (expect_false (ev_is_active (w))) |
1793 | return; |
1959 | return; |
1794 | |
1960 | |
1795 | ev_start (EV_A_ (W)w, 1); |
1961 | ev_start (EV_A_ (W)w, 1); |
1796 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1962 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1797 | } |
1963 | } |
1798 | |
1964 | |
1799 | void |
1965 | void |
1800 | ev_child_stop (EV_P_ ev_child *w) |
1966 | ev_child_stop (EV_P_ ev_child *w) |
1801 | { |
1967 | { |
1802 | clear_pending (EV_A_ (W)w); |
1968 | clear_pending (EV_A_ (W)w); |
1803 | if (expect_false (!ev_is_active (w))) |
1969 | if (expect_false (!ev_is_active (w))) |
1804 | return; |
1970 | return; |
1805 | |
1971 | |
1806 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1972 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1807 | ev_stop (EV_A_ (W)w); |
1973 | ev_stop (EV_A_ (W)w); |
1808 | } |
1974 | } |
1809 | |
1975 | |
1810 | #if EV_STAT_ENABLE |
1976 | #if EV_STAT_ENABLE |
1811 | |
1977 | |
… | |
… | |
2153 | |
2319 | |
2154 | #if EV_EMBED_ENABLE |
2320 | #if EV_EMBED_ENABLE |
2155 | void noinline |
2321 | void noinline |
2156 | ev_embed_sweep (EV_P_ ev_embed *w) |
2322 | ev_embed_sweep (EV_P_ ev_embed *w) |
2157 | { |
2323 | { |
2158 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2324 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2159 | } |
2325 | } |
2160 | |
2326 | |
2161 | static void |
2327 | static void |
2162 | embed_cb (EV_P_ ev_io *io, int revents) |
2328 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2163 | { |
2329 | { |
2164 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2330 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2165 | |
2331 | |
2166 | if (ev_cb (w)) |
2332 | if (ev_cb (w)) |
2167 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2333 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2168 | else |
2334 | else |
2169 | ev_embed_sweep (loop, w); |
2335 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2170 | } |
2336 | } |
|
|
2337 | |
|
|
2338 | static void |
|
|
2339 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2340 | { |
|
|
2341 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2342 | |
|
|
2343 | { |
|
|
2344 | struct ev_loop *loop = w->other; |
|
|
2345 | |
|
|
2346 | while (fdchangecnt) |
|
|
2347 | { |
|
|
2348 | fd_reify (EV_A); |
|
|
2349 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2350 | } |
|
|
2351 | } |
|
|
2352 | } |
|
|
2353 | |
|
|
2354 | #if 0 |
|
|
2355 | static void |
|
|
2356 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2357 | { |
|
|
2358 | ev_idle_stop (EV_A_ idle); |
|
|
2359 | } |
|
|
2360 | #endif |
2171 | |
2361 | |
2172 | void |
2362 | void |
2173 | ev_embed_start (EV_P_ ev_embed *w) |
2363 | ev_embed_start (EV_P_ ev_embed *w) |
2174 | { |
2364 | { |
2175 | if (expect_false (ev_is_active (w))) |
2365 | if (expect_false (ev_is_active (w))) |
2176 | return; |
2366 | return; |
2177 | |
2367 | |
2178 | { |
2368 | { |
2179 | struct ev_loop *loop = w->loop; |
2369 | struct ev_loop *loop = w->other; |
2180 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2370 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2181 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2371 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2182 | } |
2372 | } |
2183 | |
2373 | |
2184 | ev_set_priority (&w->io, ev_priority (w)); |
2374 | ev_set_priority (&w->io, ev_priority (w)); |
2185 | ev_io_start (EV_A_ &w->io); |
2375 | ev_io_start (EV_A_ &w->io); |
2186 | |
2376 | |
|
|
2377 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2378 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2379 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2380 | |
|
|
2381 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2382 | |
2187 | ev_start (EV_A_ (W)w, 1); |
2383 | ev_start (EV_A_ (W)w, 1); |
2188 | } |
2384 | } |
2189 | |
2385 | |
2190 | void |
2386 | void |
2191 | ev_embed_stop (EV_P_ ev_embed *w) |
2387 | ev_embed_stop (EV_P_ ev_embed *w) |
… | |
… | |
2193 | clear_pending (EV_A_ (W)w); |
2389 | clear_pending (EV_A_ (W)w); |
2194 | if (expect_false (!ev_is_active (w))) |
2390 | if (expect_false (!ev_is_active (w))) |
2195 | return; |
2391 | return; |
2196 | |
2392 | |
2197 | ev_io_stop (EV_A_ &w->io); |
2393 | ev_io_stop (EV_A_ &w->io); |
|
|
2394 | ev_prepare_stop (EV_A_ &w->prepare); |
2198 | |
2395 | |
2199 | ev_stop (EV_A_ (W)w); |
2396 | ev_stop (EV_A_ (W)w); |
2200 | } |
2397 | } |
2201 | #endif |
2398 | #endif |
2202 | |
2399 | |
… | |
… | |
2227 | |
2424 | |
2228 | ev_stop (EV_A_ (W)w); |
2425 | ev_stop (EV_A_ (W)w); |
2229 | } |
2426 | } |
2230 | #endif |
2427 | #endif |
2231 | |
2428 | |
|
|
2429 | #if EV_ASYNC_ENABLE |
|
|
2430 | void |
|
|
2431 | ev_async_start (EV_P_ ev_async *w) |
|
|
2432 | { |
|
|
2433 | if (expect_false (ev_is_active (w))) |
|
|
2434 | return; |
|
|
2435 | |
|
|
2436 | evpipe_init (EV_A); |
|
|
2437 | |
|
|
2438 | ev_start (EV_A_ (W)w, ++asynccnt); |
|
|
2439 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
|
|
2440 | asyncs [asynccnt - 1] = w; |
|
|
2441 | } |
|
|
2442 | |
|
|
2443 | void |
|
|
2444 | ev_async_stop (EV_P_ ev_async *w) |
|
|
2445 | { |
|
|
2446 | clear_pending (EV_A_ (W)w); |
|
|
2447 | if (expect_false (!ev_is_active (w))) |
|
|
2448 | return; |
|
|
2449 | |
|
|
2450 | { |
|
|
2451 | int active = ((W)w)->active; |
|
|
2452 | asyncs [active - 1] = asyncs [--asynccnt]; |
|
|
2453 | ((W)asyncs [active - 1])->active = active; |
|
|
2454 | } |
|
|
2455 | |
|
|
2456 | ev_stop (EV_A_ (W)w); |
|
|
2457 | } |
|
|
2458 | |
|
|
2459 | void |
|
|
2460 | ev_async_send (EV_P_ ev_async *w) |
|
|
2461 | { |
|
|
2462 | w->sent = 1; |
|
|
2463 | evpipe_write (EV_A_ 0, 1); |
|
|
2464 | } |
|
|
2465 | #endif |
|
|
2466 | |
2232 | /*****************************************************************************/ |
2467 | /*****************************************************************************/ |
2233 | |
2468 | |
2234 | struct ev_once |
2469 | struct ev_once |
2235 | { |
2470 | { |
2236 | ev_io io; |
2471 | ev_io io; |
… | |
… | |
2291 | ev_timer_set (&once->to, timeout, 0.); |
2526 | ev_timer_set (&once->to, timeout, 0.); |
2292 | ev_timer_start (EV_A_ &once->to); |
2527 | ev_timer_start (EV_A_ &once->to); |
2293 | } |
2528 | } |
2294 | } |
2529 | } |
2295 | |
2530 | |
|
|
2531 | #if EV_MULTIPLICITY |
|
|
2532 | #include "ev_wrap.h" |
|
|
2533 | #endif |
|
|
2534 | |
2296 | #ifdef __cplusplus |
2535 | #ifdef __cplusplus |
2297 | } |
2536 | } |
2298 | #endif |
2537 | #endif |
2299 | |
2538 | |