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 |
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210 | |
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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 |
244 | #endif |
218 | |
245 | |
219 | /**/ |
246 | /**/ |
220 | |
247 | |
221 | /* |
248 | /* |
… | |
… | |
230 | |
257 | |
231 | #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) */ |
232 | #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) */ |
233 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
260 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
234 | |
261 | |
235 | #if __GNUC__ >= 3 |
262 | #if __GNUC__ >= 4 |
236 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
237 | # define noinline __attribute__ ((noinline)) |
264 | # define noinline __attribute__ ((noinline)) |
238 | #else |
265 | #else |
239 | # define expect(expr,value) (expr) |
266 | # define expect(expr,value) (expr) |
240 | # define noinline |
267 | # define noinline |
… | |
… | |
261 | |
288 | |
262 | typedef ev_watcher *W; |
289 | typedef ev_watcher *W; |
263 | typedef ev_watcher_list *WL; |
290 | typedef ev_watcher_list *WL; |
264 | typedef ev_watcher_time *WT; |
291 | typedef ev_watcher_time *WT; |
265 | |
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 */ |
266 | 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 |
267 | |
298 | |
268 | #ifdef _WIN32 |
299 | #ifdef _WIN32 |
269 | # include "ev_win32.c" |
300 | # include "ev_win32.c" |
270 | #endif |
301 | #endif |
271 | |
302 | |
… | |
… | |
407 | { |
438 | { |
408 | return ev_rt_now; |
439 | return ev_rt_now; |
409 | } |
440 | } |
410 | #endif |
441 | #endif |
411 | |
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 | |
412 | int inline_size |
470 | int inline_size |
413 | array_nextsize (int elem, int cur, int cnt) |
471 | array_nextsize (int elem, int cur, int cnt) |
414 | { |
472 | { |
415 | int ncur = cur + 1; |
473 | int ncur = cur + 1; |
416 | |
474 | |
… | |
… | |
533 | { |
591 | { |
534 | int fd = fdchanges [i]; |
592 | int fd = fdchanges [i]; |
535 | ANFD *anfd = anfds + fd; |
593 | ANFD *anfd = anfds + fd; |
536 | ev_io *w; |
594 | ev_io *w; |
537 | |
595 | |
538 | int events = 0; |
596 | unsigned char events = 0; |
539 | |
597 | |
540 | 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) |
541 | events |= w->events; |
599 | events |= (unsigned char)w->events; |
542 | |
600 | |
543 | #if EV_SELECT_IS_WINSOCKET |
601 | #if EV_SELECT_IS_WINSOCKET |
544 | if (events) |
602 | if (events) |
545 | { |
603 | { |
546 | 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 |
547 | anfd->handle = _get_osfhandle (fd); |
608 | anfd->handle = _get_osfhandle (fd); |
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609 | #endif |
548 | 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)); |
549 | } |
611 | } |
550 | #endif |
612 | #endif |
551 | |
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 | |
552 | anfd->reify = 0; |
618 | anfd->reify = 0; |
553 | |
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554 | backend_modify (EV_A_ fd, anfd->events, events); |
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555 | 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 | } |
556 | } |
624 | } |
557 | |
625 | |
558 | fdchangecnt = 0; |
626 | fdchangecnt = 0; |
559 | } |
627 | } |
560 | |
628 | |
561 | void inline_size |
629 | void inline_size |
562 | fd_change (EV_P_ int fd) |
630 | fd_change (EV_P_ int fd, int flags) |
563 | { |
631 | { |
564 | if (expect_false (anfds [fd].reify)) |
632 | unsigned char reify = anfds [fd].reify; |
565 | return; |
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566 | |
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567 | anfds [fd].reify = 1; |
633 | anfds [fd].reify |= flags; |
568 | |
634 | |
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635 | if (expect_true (!reify)) |
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636 | { |
569 | ++fdchangecnt; |
637 | ++fdchangecnt; |
570 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
638 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
571 | fdchanges [fdchangecnt - 1] = fd; |
639 | fdchanges [fdchangecnt - 1] = fd; |
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640 | } |
572 | } |
641 | } |
573 | |
642 | |
574 | void inline_speed |
643 | void inline_speed |
575 | fd_kill (EV_P_ int fd) |
644 | fd_kill (EV_P_ int fd) |
576 | { |
645 | { |
… | |
… | |
627 | |
696 | |
628 | for (fd = 0; fd < anfdmax; ++fd) |
697 | for (fd = 0; fd < anfdmax; ++fd) |
629 | if (anfds [fd].events) |
698 | if (anfds [fd].events) |
630 | { |
699 | { |
631 | anfds [fd].events = 0; |
700 | anfds [fd].events = 0; |
632 | fd_change (EV_A_ fd); |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
633 | } |
702 | } |
634 | } |
703 | } |
635 | |
704 | |
636 | /*****************************************************************************/ |
705 | /*****************************************************************************/ |
637 | |
706 | |
… | |
… | |
652 | k = p; |
721 | k = p; |
653 | } |
722 | } |
654 | |
723 | |
655 | heap [k] = w; |
724 | heap [k] = w; |
656 | ((W)heap [k])->active = k + 1; |
725 | ((W)heap [k])->active = k + 1; |
657 | |
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658 | } |
726 | } |
659 | |
727 | |
660 | void inline_speed |
728 | void inline_speed |
661 | downheap (WT *heap, int N, int k) |
729 | downheap (WT *heap, int N, int k) |
662 | { |
730 | { |
… | |
… | |
695 | /*****************************************************************************/ |
763 | /*****************************************************************************/ |
696 | |
764 | |
697 | typedef struct |
765 | typedef struct |
698 | { |
766 | { |
699 | WL head; |
767 | WL head; |
700 | sig_atomic_t volatile gotsig; |
768 | EV_ATOMIC_T gotsig; |
701 | } ANSIG; |
769 | } ANSIG; |
702 | |
770 | |
703 | static ANSIG *signals; |
771 | static ANSIG *signals; |
704 | static int signalmax; |
772 | static int signalmax; |
705 | |
773 | |
706 | static int sigpipe [2]; |
774 | static EV_ATOMIC_T gotsig; |
707 | static sig_atomic_t volatile gotsig; |
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708 | static ev_io sigev; |
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709 | |
775 | |
710 | void inline_size |
776 | void inline_size |
711 | signals_init (ANSIG *base, int count) |
777 | signals_init (ANSIG *base, int count) |
712 | { |
778 | { |
713 | while (count--) |
779 | while (count--) |
… | |
… | |
717 | |
783 | |
718 | ++base; |
784 | ++base; |
719 | } |
785 | } |
720 | } |
786 | } |
721 | |
787 | |
722 | static void |
788 | /*****************************************************************************/ |
723 | sighandler (int signum) |
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724 | { |
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725 | #if _WIN32 |
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726 | signal (signum, sighandler); |
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727 | #endif |
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728 | |
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729 | signals [signum - 1].gotsig = 1; |
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730 | |
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731 | if (!gotsig) |
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732 | { |
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733 | int old_errno = errno; |
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734 | gotsig = 1; |
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735 | write (sigpipe [1], &signum, 1); |
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736 | errno = old_errno; |
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737 | } |
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738 | } |
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739 | |
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740 | void noinline |
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741 | ev_feed_signal_event (EV_P_ int signum) |
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742 | { |
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743 | WL w; |
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744 | |
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745 | #if EV_MULTIPLICITY |
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746 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
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747 | #endif |
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748 | |
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749 | --signum; |
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750 | |
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751 | if (signum < 0 || signum >= signalmax) |
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752 | return; |
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753 | |
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754 | signals [signum].gotsig = 0; |
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755 | |
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756 | for (w = signals [signum].head; w; w = w->next) |
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757 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
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758 | } |
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759 | |
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760 | static void |
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761 | sigcb (EV_P_ ev_io *iow, int revents) |
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762 | { |
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763 | int signum; |
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764 | |
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765 | read (sigpipe [0], &revents, 1); |
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766 | gotsig = 0; |
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767 | |
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768 | for (signum = signalmax; signum--; ) |
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769 | if (signals [signum].gotsig) |
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770 | ev_feed_signal_event (EV_A_ signum + 1); |
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771 | } |
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772 | |
789 | |
773 | void inline_speed |
790 | void inline_speed |
774 | fd_intern (int fd) |
791 | fd_intern (int fd) |
775 | { |
792 | { |
776 | #ifdef _WIN32 |
793 | #ifdef _WIN32 |
… | |
… | |
781 | fcntl (fd, F_SETFL, O_NONBLOCK); |
798 | fcntl (fd, F_SETFL, O_NONBLOCK); |
782 | #endif |
799 | #endif |
783 | } |
800 | } |
784 | |
801 | |
785 | static void noinline |
802 | static void noinline |
786 | siginit (EV_P) |
803 | evpipe_init (EV_P) |
787 | { |
804 | { |
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805 | if (!ev_is_active (&pipeev)) |
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806 | { |
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807 | while (pipe (evpipe)) |
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808 | syserr ("(libev) error creating signal/async pipe"); |
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809 | |
788 | fd_intern (sigpipe [0]); |
810 | fd_intern (evpipe [0]); |
789 | fd_intern (sigpipe [1]); |
811 | fd_intern (evpipe [1]); |
790 | |
812 | |
791 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
813 | ev_io_set (&pipeev, evpipe [0], EV_READ); |
792 | ev_io_start (EV_A_ &sigev); |
814 | ev_io_start (EV_A_ &pipeev); |
793 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
815 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
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816 | } |
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817 | } |
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818 | |
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819 | void inline_size |
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820 | evpipe_write (EV_P_ int sig, int async) |
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821 | { |
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822 | if (!(gotasync || gotsig)) |
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823 | { |
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824 | int old_errno = errno; |
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825 | |
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826 | if (sig) gotsig = 1; |
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827 | if (async) gotasync = 1; |
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828 | |
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829 | write (evpipe [1], &old_errno, 1); |
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830 | errno = old_errno; |
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831 | } |
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832 | } |
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833 | |
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834 | static void |
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835 | pipecb (EV_P_ ev_io *iow, int revents) |
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836 | { |
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837 | { |
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838 | int dummy; |
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839 | read (evpipe [0], &dummy, 1); |
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840 | } |
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841 | |
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842 | if (gotsig) |
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843 | { |
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844 | int signum; |
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845 | gotsig = 0; |
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846 | |
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847 | for (signum = signalmax; signum--; ) |
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848 | if (signals [signum].gotsig) |
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849 | ev_feed_signal_event (EV_A_ signum + 1); |
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850 | } |
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851 | |
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852 | if (gotasync) |
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853 | { |
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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 | } |
794 | } |
864 | } |
795 | |
865 | |
796 | /*****************************************************************************/ |
866 | /*****************************************************************************/ |
797 | |
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 | |
798 | static ev_child *childs [EV_PID_HASHSIZE]; |
905 | static WL childs [EV_PID_HASHSIZE]; |
799 | |
906 | |
800 | #ifndef _WIN32 |
907 | #ifndef _WIN32 |
801 | |
908 | |
802 | static ev_signal childev; |
909 | static ev_signal childev; |
|
|
910 | |
|
|
911 | #ifndef WIFCONTINUED |
|
|
912 | # define WIFCONTINUED(status) 0 |
|
|
913 | #endif |
803 | |
914 | |
804 | void inline_speed |
915 | void inline_speed |
805 | 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) |
806 | { |
917 | { |
807 | ev_child *w; |
918 | ev_child *w; |
|
|
919 | int traced = WIFSTOPPED (status) || WIFCONTINUED (status); |
808 | |
920 | |
809 | 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 | { |
810 | if (w->pid == pid || !w->pid) |
923 | if ((w->pid == pid || !w->pid) |
|
|
924 | && (!traced || (w->flags & 1))) |
811 | { |
925 | { |
812 | 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* */ |
813 | w->rpid = pid; |
927 | w->rpid = pid; |
814 | w->rstatus = status; |
928 | w->rstatus = status; |
815 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
929 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
816 | } |
930 | } |
|
|
931 | } |
817 | } |
932 | } |
818 | |
933 | |
819 | #ifndef WCONTINUED |
934 | #ifndef WCONTINUED |
820 | # define WCONTINUED 0 |
935 | # define WCONTINUED 0 |
821 | #endif |
936 | #endif |
… | |
… | |
918 | } |
1033 | } |
919 | |
1034 | |
920 | unsigned int |
1035 | unsigned int |
921 | ev_embeddable_backends (void) |
1036 | ev_embeddable_backends (void) |
922 | { |
1037 | { |
923 | return EVBACKEND_EPOLL |
1038 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
924 | | EVBACKEND_KQUEUE |
1039 | |
925 | | 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; |
926 | } |
1045 | } |
927 | |
1046 | |
928 | unsigned int |
1047 | unsigned int |
929 | ev_backend (EV_P) |
1048 | ev_backend (EV_P) |
930 | { |
1049 | { |
… | |
… | |
933 | |
1052 | |
934 | unsigned int |
1053 | unsigned int |
935 | ev_loop_count (EV_P) |
1054 | ev_loop_count (EV_P) |
936 | { |
1055 | { |
937 | 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; |
938 | } |
1069 | } |
939 | |
1070 | |
940 | static void noinline |
1071 | static void noinline |
941 | loop_init (EV_P_ unsigned int flags) |
1072 | loop_init (EV_P_ unsigned int flags) |
942 | { |
1073 | { |
… | |
… | |
953 | ev_rt_now = ev_time (); |
1084 | ev_rt_now = ev_time (); |
954 | mn_now = get_clock (); |
1085 | mn_now = get_clock (); |
955 | now_floor = mn_now; |
1086 | now_floor = mn_now; |
956 | rtmn_diff = ev_rt_now - mn_now; |
1087 | rtmn_diff = ev_rt_now - mn_now; |
957 | |
1088 | |
|
|
1089 | io_blocktime = 0.; |
|
|
1090 | timeout_blocktime = 0.; |
|
|
1091 | |
958 | /* pid check not overridable via env */ |
1092 | /* pid check not overridable via env */ |
959 | #ifndef _WIN32 |
1093 | #ifndef _WIN32 |
960 | if (flags & EVFLAG_FORKCHECK) |
1094 | if (flags & EVFLAG_FORKCHECK) |
961 | curpid = getpid (); |
1095 | curpid = getpid (); |
962 | #endif |
1096 | #endif |
… | |
… | |
989 | #endif |
1123 | #endif |
990 | #if EV_USE_SELECT |
1124 | #if EV_USE_SELECT |
991 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
1125 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
992 | #endif |
1126 | #endif |
993 | |
1127 | |
994 | ev_init (&sigev, sigcb); |
1128 | ev_init (&pipeev, pipecb); |
995 | ev_set_priority (&sigev, EV_MAXPRI); |
1129 | ev_set_priority (&pipeev, EV_MAXPRI); |
996 | } |
1130 | } |
997 | } |
1131 | } |
998 | |
1132 | |
999 | static void noinline |
1133 | static void noinline |
1000 | loop_destroy (EV_P) |
1134 | loop_destroy (EV_P) |
1001 | { |
1135 | { |
1002 | 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 | } |
1003 | |
1146 | |
1004 | #if EV_USE_INOTIFY |
1147 | #if EV_USE_INOTIFY |
1005 | if (fs_fd >= 0) |
1148 | if (fs_fd >= 0) |
1006 | close (fs_fd); |
1149 | close (fs_fd); |
1007 | #endif |
1150 | #endif |
… | |
… | |
1030 | array_free (pending, [i]); |
1173 | array_free (pending, [i]); |
1031 | #if EV_IDLE_ENABLE |
1174 | #if EV_IDLE_ENABLE |
1032 | array_free (idle, [i]); |
1175 | array_free (idle, [i]); |
1033 | #endif |
1176 | #endif |
1034 | } |
1177 | } |
|
|
1178 | |
|
|
1179 | ev_free (anfds); anfdmax = 0; |
1035 | |
1180 | |
1036 | /* have to use the microsoft-never-gets-it-right macro */ |
1181 | /* have to use the microsoft-never-gets-it-right macro */ |
1037 | array_free (fdchange, EMPTY); |
1182 | array_free (fdchange, EMPTY); |
1038 | array_free (timer, EMPTY); |
1183 | array_free (timer, EMPTY); |
1039 | #if EV_PERIODIC_ENABLE |
1184 | #if EV_PERIODIC_ENABLE |
1040 | array_free (periodic, EMPTY); |
1185 | array_free (periodic, EMPTY); |
1041 | #endif |
1186 | #endif |
|
|
1187 | #if EV_FORK_ENABLE |
|
|
1188 | array_free (fork, EMPTY); |
|
|
1189 | #endif |
1042 | array_free (prepare, EMPTY); |
1190 | array_free (prepare, EMPTY); |
1043 | array_free (check, EMPTY); |
1191 | array_free (check, EMPTY); |
1044 | |
1192 | |
1045 | backend = 0; |
1193 | backend = 0; |
1046 | } |
1194 | } |
… | |
… | |
1061 | #endif |
1209 | #endif |
1062 | #if EV_USE_INOTIFY |
1210 | #if EV_USE_INOTIFY |
1063 | infy_fork (EV_A); |
1211 | infy_fork (EV_A); |
1064 | #endif |
1212 | #endif |
1065 | |
1213 | |
1066 | if (ev_is_active (&sigev)) |
1214 | if (ev_is_active (&pipeev)) |
1067 | { |
1215 | { |
1068 | /* default loop */ |
1216 | /* this "locks" the handlers against writing to the pipe */ |
|
|
1217 | gotsig = gotasync = 1; |
1069 | |
1218 | |
1070 | ev_ref (EV_A); |
1219 | ev_ref (EV_A); |
1071 | ev_io_stop (EV_A_ &sigev); |
1220 | ev_io_stop (EV_A_ &pipeev); |
1072 | close (sigpipe [0]); |
1221 | close (evpipe [0]); |
1073 | close (sigpipe [1]); |
1222 | close (evpipe [1]); |
1074 | |
1223 | |
1075 | while (pipe (sigpipe)) |
|
|
1076 | syserr ("(libev) error creating pipe"); |
|
|
1077 | |
|
|
1078 | siginit (EV_A); |
1224 | evpipe_init (EV_A); |
|
|
1225 | /* now iterate over everything, in case we missed something */ |
|
|
1226 | pipecb (EV_A_ &pipeev, EV_READ); |
1079 | } |
1227 | } |
1080 | |
1228 | |
1081 | postfork = 0; |
1229 | postfork = 0; |
1082 | } |
1230 | } |
1083 | |
1231 | |
… | |
… | |
1105 | } |
1253 | } |
1106 | |
1254 | |
1107 | void |
1255 | void |
1108 | ev_loop_fork (EV_P) |
1256 | ev_loop_fork (EV_P) |
1109 | { |
1257 | { |
1110 | postfork = 1; |
1258 | postfork = 1; /* must be in line with ev_default_fork */ |
1111 | } |
1259 | } |
1112 | |
1260 | |
1113 | #endif |
1261 | #endif |
1114 | |
1262 | |
1115 | #if EV_MULTIPLICITY |
1263 | #if EV_MULTIPLICITY |
… | |
… | |
1118 | #else |
1266 | #else |
1119 | int |
1267 | int |
1120 | ev_default_loop (unsigned int flags) |
1268 | ev_default_loop (unsigned int flags) |
1121 | #endif |
1269 | #endif |
1122 | { |
1270 | { |
1123 | if (sigpipe [0] == sigpipe [1]) |
|
|
1124 | if (pipe (sigpipe)) |
|
|
1125 | return 0; |
|
|
1126 | |
|
|
1127 | if (!ev_default_loop_ptr) |
1271 | if (!ev_default_loop_ptr) |
1128 | { |
1272 | { |
1129 | #if EV_MULTIPLICITY |
1273 | #if EV_MULTIPLICITY |
1130 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1274 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
1131 | #else |
1275 | #else |
… | |
… | |
1134 | |
1278 | |
1135 | loop_init (EV_A_ flags); |
1279 | loop_init (EV_A_ flags); |
1136 | |
1280 | |
1137 | if (ev_backend (EV_A)) |
1281 | if (ev_backend (EV_A)) |
1138 | { |
1282 | { |
1139 | siginit (EV_A); |
|
|
1140 | |
|
|
1141 | #ifndef _WIN32 |
1283 | #ifndef _WIN32 |
1142 | ev_signal_init (&childev, childcb, SIGCHLD); |
1284 | ev_signal_init (&childev, childcb, SIGCHLD); |
1143 | ev_set_priority (&childev, EV_MAXPRI); |
1285 | ev_set_priority (&childev, EV_MAXPRI); |
1144 | ev_signal_start (EV_A_ &childev); |
1286 | ev_signal_start (EV_A_ &childev); |
1145 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1287 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
… | |
… | |
1162 | #ifndef _WIN32 |
1304 | #ifndef _WIN32 |
1163 | ev_ref (EV_A); /* child watcher */ |
1305 | ev_ref (EV_A); /* child watcher */ |
1164 | ev_signal_stop (EV_A_ &childev); |
1306 | ev_signal_stop (EV_A_ &childev); |
1165 | #endif |
1307 | #endif |
1166 | |
1308 | |
1167 | ev_ref (EV_A); /* signal watcher */ |
|
|
1168 | ev_io_stop (EV_A_ &sigev); |
|
|
1169 | |
|
|
1170 | close (sigpipe [0]); sigpipe [0] = 0; |
|
|
1171 | close (sigpipe [1]); sigpipe [1] = 0; |
|
|
1172 | |
|
|
1173 | loop_destroy (EV_A); |
1309 | loop_destroy (EV_A); |
1174 | } |
1310 | } |
1175 | |
1311 | |
1176 | void |
1312 | void |
1177 | ev_default_fork (void) |
1313 | ev_default_fork (void) |
… | |
… | |
1179 | #if EV_MULTIPLICITY |
1315 | #if EV_MULTIPLICITY |
1180 | struct ev_loop *loop = ev_default_loop_ptr; |
1316 | struct ev_loop *loop = ev_default_loop_ptr; |
1181 | #endif |
1317 | #endif |
1182 | |
1318 | |
1183 | if (backend) |
1319 | if (backend) |
1184 | postfork = 1; |
1320 | postfork = 1; /* must be in line with ev_loop_fork */ |
1185 | } |
1321 | } |
1186 | |
1322 | |
1187 | /*****************************************************************************/ |
1323 | /*****************************************************************************/ |
1188 | |
1324 | |
1189 | void |
1325 | void |
… | |
… | |
1215 | void inline_size |
1351 | void inline_size |
1216 | timers_reify (EV_P) |
1352 | timers_reify (EV_P) |
1217 | { |
1353 | { |
1218 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1354 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1219 | { |
1355 | { |
1220 | ev_timer *w = timers [0]; |
1356 | ev_timer *w = (ev_timer *)timers [0]; |
1221 | |
1357 | |
1222 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1358 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1223 | |
1359 | |
1224 | /* first reschedule or stop timer */ |
1360 | /* first reschedule or stop timer */ |
1225 | if (w->repeat) |
1361 | if (w->repeat) |
… | |
… | |
1228 | |
1364 | |
1229 | ((WT)w)->at += w->repeat; |
1365 | ((WT)w)->at += w->repeat; |
1230 | if (((WT)w)->at < mn_now) |
1366 | if (((WT)w)->at < mn_now) |
1231 | ((WT)w)->at = mn_now; |
1367 | ((WT)w)->at = mn_now; |
1232 | |
1368 | |
1233 | downheap ((WT *)timers, timercnt, 0); |
1369 | downheap (timers, timercnt, 0); |
1234 | } |
1370 | } |
1235 | else |
1371 | else |
1236 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1372 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1237 | |
1373 | |
1238 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1374 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1243 | void inline_size |
1379 | void inline_size |
1244 | periodics_reify (EV_P) |
1380 | periodics_reify (EV_P) |
1245 | { |
1381 | { |
1246 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1382 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1247 | { |
1383 | { |
1248 | ev_periodic *w = periodics [0]; |
1384 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1249 | |
1385 | |
1250 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1386 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1251 | |
1387 | |
1252 | /* first reschedule or stop timer */ |
1388 | /* first reschedule or stop timer */ |
1253 | if (w->reschedule_cb) |
1389 | if (w->reschedule_cb) |
1254 | { |
1390 | { |
1255 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1391 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1256 | 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)); |
1257 | downheap ((WT *)periodics, periodiccnt, 0); |
1393 | downheap (periodics, periodiccnt, 0); |
1258 | } |
1394 | } |
1259 | else if (w->interval) |
1395 | else if (w->interval) |
1260 | { |
1396 | { |
1261 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1397 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1262 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1398 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1263 | 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)); |
1264 | downheap ((WT *)periodics, periodiccnt, 0); |
1400 | downheap (periodics, periodiccnt, 0); |
1265 | } |
1401 | } |
1266 | else |
1402 | else |
1267 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1403 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1268 | |
1404 | |
1269 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1405 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1276 | int i; |
1412 | int i; |
1277 | |
1413 | |
1278 | /* adjust periodics after time jump */ |
1414 | /* adjust periodics after time jump */ |
1279 | for (i = 0; i < periodiccnt; ++i) |
1415 | for (i = 0; i < periodiccnt; ++i) |
1280 | { |
1416 | { |
1281 | ev_periodic *w = periodics [i]; |
1417 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1282 | |
1418 | |
1283 | if (w->reschedule_cb) |
1419 | if (w->reschedule_cb) |
1284 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1420 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1285 | else if (w->interval) |
1421 | else if (w->interval) |
1286 | ((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; |
1287 | } |
1423 | } |
1288 | |
1424 | |
1289 | /* now rebuild the heap */ |
1425 | /* now rebuild the heap */ |
1290 | for (i = periodiccnt >> 1; i--; ) |
1426 | for (i = periodiccnt >> 1; i--; ) |
1291 | downheap ((WT *)periodics, periodiccnt, i); |
1427 | downheap (periodics, periodiccnt, i); |
1292 | } |
1428 | } |
1293 | #endif |
1429 | #endif |
1294 | |
1430 | |
1295 | #if EV_IDLE_ENABLE |
1431 | #if EV_IDLE_ENABLE |
1296 | void inline_size |
1432 | void inline_size |
… | |
… | |
1444 | /* update fd-related kernel structures */ |
1580 | /* update fd-related kernel structures */ |
1445 | fd_reify (EV_A); |
1581 | fd_reify (EV_A); |
1446 | |
1582 | |
1447 | /* calculate blocking time */ |
1583 | /* calculate blocking time */ |
1448 | { |
1584 | { |
1449 | ev_tstamp block; |
1585 | ev_tstamp waittime = 0.; |
|
|
1586 | ev_tstamp sleeptime = 0.; |
1450 | |
1587 | |
1451 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1588 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1452 | block = 0.; /* do not block at all */ |
|
|
1453 | else |
|
|
1454 | { |
1589 | { |
1455 | /* update time to cancel out callback processing overhead */ |
1590 | /* update time to cancel out callback processing overhead */ |
1456 | time_update (EV_A_ 1e100); |
1591 | time_update (EV_A_ 1e100); |
1457 | |
1592 | |
1458 | block = MAX_BLOCKTIME; |
1593 | waittime = MAX_BLOCKTIME; |
1459 | |
1594 | |
1460 | if (timercnt) |
1595 | if (timercnt) |
1461 | { |
1596 | { |
1462 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1597 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1463 | if (block > to) block = to; |
1598 | if (waittime > to) waittime = to; |
1464 | } |
1599 | } |
1465 | |
1600 | |
1466 | #if EV_PERIODIC_ENABLE |
1601 | #if EV_PERIODIC_ENABLE |
1467 | if (periodiccnt) |
1602 | if (periodiccnt) |
1468 | { |
1603 | { |
1469 | 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; |
1470 | if (block > to) block = to; |
1605 | if (waittime > to) waittime = to; |
1471 | } |
1606 | } |
1472 | #endif |
1607 | #endif |
1473 | |
1608 | |
1474 | 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 | } |
1475 | } |
1622 | } |
1476 | |
1623 | |
1477 | ++loop_count; |
1624 | ++loop_count; |
1478 | backend_poll (EV_A_ block); |
1625 | backend_poll (EV_A_ waittime); |
1479 | |
1626 | |
1480 | /* update ev_rt_now, do magic */ |
1627 | /* update ev_rt_now, do magic */ |
1481 | time_update (EV_A_ block); |
1628 | time_update (EV_A_ waittime + sleeptime); |
1482 | } |
1629 | } |
1483 | |
1630 | |
1484 | /* queue pending timers and reschedule them */ |
1631 | /* queue pending timers and reschedule them */ |
1485 | timers_reify (EV_A); /* relative timers called last */ |
1632 | timers_reify (EV_A); /* relative timers called last */ |
1486 | #if EV_PERIODIC_ENABLE |
1633 | #if EV_PERIODIC_ENABLE |
… | |
… | |
1598 | |
1745 | |
1599 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1746 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1600 | |
1747 | |
1601 | ev_start (EV_A_ (W)w, 1); |
1748 | ev_start (EV_A_ (W)w, 1); |
1602 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1749 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1603 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1750 | wlist_add (&anfds[fd].head, (WL)w); |
1604 | |
1751 | |
1605 | fd_change (EV_A_ fd); |
1752 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1753 | w->events &= ~EV_IOFDSET; |
1606 | } |
1754 | } |
1607 | |
1755 | |
1608 | void noinline |
1756 | void noinline |
1609 | ev_io_stop (EV_P_ ev_io *w) |
1757 | ev_io_stop (EV_P_ ev_io *w) |
1610 | { |
1758 | { |
… | |
… | |
1612 | if (expect_false (!ev_is_active (w))) |
1760 | if (expect_false (!ev_is_active (w))) |
1613 | return; |
1761 | return; |
1614 | |
1762 | |
1615 | 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)); |
1616 | |
1764 | |
1617 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1765 | wlist_del (&anfds[w->fd].head, (WL)w); |
1618 | ev_stop (EV_A_ (W)w); |
1766 | ev_stop (EV_A_ (W)w); |
1619 | |
1767 | |
1620 | fd_change (EV_A_ w->fd); |
1768 | fd_change (EV_A_ w->fd, 1); |
1621 | } |
1769 | } |
1622 | |
1770 | |
1623 | void noinline |
1771 | void noinline |
1624 | ev_timer_start (EV_P_ ev_timer *w) |
1772 | ev_timer_start (EV_P_ ev_timer *w) |
1625 | { |
1773 | { |
… | |
… | |
1629 | ((WT)w)->at += mn_now; |
1777 | ((WT)w)->at += mn_now; |
1630 | |
1778 | |
1631 | 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.)); |
1632 | |
1780 | |
1633 | ev_start (EV_A_ (W)w, ++timercnt); |
1781 | ev_start (EV_A_ (W)w, ++timercnt); |
1634 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1782 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1635 | timers [timercnt - 1] = w; |
1783 | timers [timercnt - 1] = (WT)w; |
1636 | upheap ((WT *)timers, timercnt - 1); |
1784 | upheap (timers, timercnt - 1); |
1637 | |
1785 | |
1638 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1786 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1639 | } |
1787 | } |
1640 | |
1788 | |
1641 | void noinline |
1789 | void noinline |
… | |
… | |
1643 | { |
1791 | { |
1644 | clear_pending (EV_A_ (W)w); |
1792 | clear_pending (EV_A_ (W)w); |
1645 | if (expect_false (!ev_is_active (w))) |
1793 | if (expect_false (!ev_is_active (w))) |
1646 | return; |
1794 | return; |
1647 | |
1795 | |
1648 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1796 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1649 | |
1797 | |
1650 | { |
1798 | { |
1651 | int active = ((W)w)->active; |
1799 | int active = ((W)w)->active; |
1652 | |
1800 | |
1653 | if (expect_true (--active < --timercnt)) |
1801 | if (expect_true (--active < --timercnt)) |
1654 | { |
1802 | { |
1655 | timers [active] = timers [timercnt]; |
1803 | timers [active] = timers [timercnt]; |
1656 | adjustheap ((WT *)timers, timercnt, active); |
1804 | adjustheap (timers, timercnt, active); |
1657 | } |
1805 | } |
1658 | } |
1806 | } |
1659 | |
1807 | |
1660 | ((WT)w)->at -= mn_now; |
1808 | ((WT)w)->at -= mn_now; |
1661 | |
1809 | |
… | |
… | |
1668 | if (ev_is_active (w)) |
1816 | if (ev_is_active (w)) |
1669 | { |
1817 | { |
1670 | if (w->repeat) |
1818 | if (w->repeat) |
1671 | { |
1819 | { |
1672 | ((WT)w)->at = mn_now + w->repeat; |
1820 | ((WT)w)->at = mn_now + w->repeat; |
1673 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1821 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1674 | } |
1822 | } |
1675 | else |
1823 | else |
1676 | ev_timer_stop (EV_A_ w); |
1824 | ev_timer_stop (EV_A_ w); |
1677 | } |
1825 | } |
1678 | else if (w->repeat) |
1826 | else if (w->repeat) |
… | |
… | |
1699 | } |
1847 | } |
1700 | else |
1848 | else |
1701 | ((WT)w)->at = w->offset; |
1849 | ((WT)w)->at = w->offset; |
1702 | |
1850 | |
1703 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1851 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1704 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1852 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1705 | periodics [periodiccnt - 1] = w; |
1853 | periodics [periodiccnt - 1] = (WT)w; |
1706 | upheap ((WT *)periodics, periodiccnt - 1); |
1854 | upheap (periodics, periodiccnt - 1); |
1707 | |
1855 | |
1708 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1856 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1709 | } |
1857 | } |
1710 | |
1858 | |
1711 | void noinline |
1859 | void noinline |
… | |
… | |
1713 | { |
1861 | { |
1714 | clear_pending (EV_A_ (W)w); |
1862 | clear_pending (EV_A_ (W)w); |
1715 | if (expect_false (!ev_is_active (w))) |
1863 | if (expect_false (!ev_is_active (w))) |
1716 | return; |
1864 | return; |
1717 | |
1865 | |
1718 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1866 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1719 | |
1867 | |
1720 | { |
1868 | { |
1721 | int active = ((W)w)->active; |
1869 | int active = ((W)w)->active; |
1722 | |
1870 | |
1723 | if (expect_true (--active < --periodiccnt)) |
1871 | if (expect_true (--active < --periodiccnt)) |
1724 | { |
1872 | { |
1725 | periodics [active] = periodics [periodiccnt]; |
1873 | periodics [active] = periodics [periodiccnt]; |
1726 | adjustheap ((WT *)periodics, periodiccnt, active); |
1874 | adjustheap (periodics, periodiccnt, active); |
1727 | } |
1875 | } |
1728 | } |
1876 | } |
1729 | |
1877 | |
1730 | ev_stop (EV_A_ (W)w); |
1878 | ev_stop (EV_A_ (W)w); |
1731 | } |
1879 | } |
… | |
… | |
1752 | if (expect_false (ev_is_active (w))) |
1900 | if (expect_false (ev_is_active (w))) |
1753 | return; |
1901 | return; |
1754 | |
1902 | |
1755 | 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)); |
1756 | |
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 | |
1757 | ev_start (EV_A_ (W)w, 1); |
1921 | ev_start (EV_A_ (W)w, 1); |
1758 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1759 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1922 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1760 | |
1923 | |
1761 | if (!((WL)w)->next) |
1924 | if (!((WL)w)->next) |
1762 | { |
1925 | { |
1763 | #if _WIN32 |
1926 | #if _WIN32 |
1764 | signal (w->signum, sighandler); |
1927 | signal (w->signum, sighandler); |
… | |
… | |
1777 | { |
1940 | { |
1778 | clear_pending (EV_A_ (W)w); |
1941 | clear_pending (EV_A_ (W)w); |
1779 | if (expect_false (!ev_is_active (w))) |
1942 | if (expect_false (!ev_is_active (w))) |
1780 | return; |
1943 | return; |
1781 | |
1944 | |
1782 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1945 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1783 | ev_stop (EV_A_ (W)w); |
1946 | ev_stop (EV_A_ (W)w); |
1784 | |
1947 | |
1785 | if (!signals [w->signum - 1].head) |
1948 | if (!signals [w->signum - 1].head) |
1786 | signal (w->signum, SIG_DFL); |
1949 | signal (w->signum, SIG_DFL); |
1787 | } |
1950 | } |
… | |
… | |
1794 | #endif |
1957 | #endif |
1795 | if (expect_false (ev_is_active (w))) |
1958 | if (expect_false (ev_is_active (w))) |
1796 | return; |
1959 | return; |
1797 | |
1960 | |
1798 | ev_start (EV_A_ (W)w, 1); |
1961 | ev_start (EV_A_ (W)w, 1); |
1799 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1962 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1800 | } |
1963 | } |
1801 | |
1964 | |
1802 | void |
1965 | void |
1803 | ev_child_stop (EV_P_ ev_child *w) |
1966 | ev_child_stop (EV_P_ ev_child *w) |
1804 | { |
1967 | { |
1805 | clear_pending (EV_A_ (W)w); |
1968 | clear_pending (EV_A_ (W)w); |
1806 | if (expect_false (!ev_is_active (w))) |
1969 | if (expect_false (!ev_is_active (w))) |
1807 | return; |
1970 | return; |
1808 | |
1971 | |
1809 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1972 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1810 | ev_stop (EV_A_ (W)w); |
1973 | ev_stop (EV_A_ (W)w); |
1811 | } |
1974 | } |
1812 | |
1975 | |
1813 | #if EV_STAT_ENABLE |
1976 | #if EV_STAT_ENABLE |
1814 | |
1977 | |
… | |
… | |
2156 | |
2319 | |
2157 | #if EV_EMBED_ENABLE |
2320 | #if EV_EMBED_ENABLE |
2158 | void noinline |
2321 | void noinline |
2159 | ev_embed_sweep (EV_P_ ev_embed *w) |
2322 | ev_embed_sweep (EV_P_ ev_embed *w) |
2160 | { |
2323 | { |
2161 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2324 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2162 | } |
2325 | } |
2163 | |
2326 | |
2164 | static void |
2327 | static void |
2165 | embed_cb (EV_P_ ev_io *io, int revents) |
2328 | embed_io_cb (EV_P_ ev_io *io, int revents) |
2166 | { |
2329 | { |
2167 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2330 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2168 | |
2331 | |
2169 | if (ev_cb (w)) |
2332 | if (ev_cb (w)) |
2170 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2333 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2171 | else |
2334 | else |
2172 | ev_embed_sweep (loop, w); |
2335 | ev_loop (w->other, EVLOOP_NONBLOCK); |
2173 | } |
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 |
2174 | |
2361 | |
2175 | void |
2362 | void |
2176 | ev_embed_start (EV_P_ ev_embed *w) |
2363 | ev_embed_start (EV_P_ ev_embed *w) |
2177 | { |
2364 | { |
2178 | if (expect_false (ev_is_active (w))) |
2365 | if (expect_false (ev_is_active (w))) |
2179 | return; |
2366 | return; |
2180 | |
2367 | |
2181 | { |
2368 | { |
2182 | struct ev_loop *loop = w->loop; |
2369 | struct ev_loop *loop = w->other; |
2183 | 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 ())); |
2184 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2371 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
2185 | } |
2372 | } |
2186 | |
2373 | |
2187 | ev_set_priority (&w->io, ev_priority (w)); |
2374 | ev_set_priority (&w->io, ev_priority (w)); |
2188 | ev_io_start (EV_A_ &w->io); |
2375 | ev_io_start (EV_A_ &w->io); |
2189 | |
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 | |
2190 | ev_start (EV_A_ (W)w, 1); |
2383 | ev_start (EV_A_ (W)w, 1); |
2191 | } |
2384 | } |
2192 | |
2385 | |
2193 | void |
2386 | void |
2194 | ev_embed_stop (EV_P_ ev_embed *w) |
2387 | ev_embed_stop (EV_P_ ev_embed *w) |
… | |
… | |
2196 | clear_pending (EV_A_ (W)w); |
2389 | clear_pending (EV_A_ (W)w); |
2197 | if (expect_false (!ev_is_active (w))) |
2390 | if (expect_false (!ev_is_active (w))) |
2198 | return; |
2391 | return; |
2199 | |
2392 | |
2200 | ev_io_stop (EV_A_ &w->io); |
2393 | ev_io_stop (EV_A_ &w->io); |
|
|
2394 | ev_prepare_stop (EV_A_ &w->prepare); |
2201 | |
2395 | |
2202 | ev_stop (EV_A_ (W)w); |
2396 | ev_stop (EV_A_ (W)w); |
2203 | } |
2397 | } |
2204 | #endif |
2398 | #endif |
2205 | |
2399 | |
… | |
… | |
2230 | |
2424 | |
2231 | ev_stop (EV_A_ (W)w); |
2425 | ev_stop (EV_A_ (W)w); |
2232 | } |
2426 | } |
2233 | #endif |
2427 | #endif |
2234 | |
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 | |
2235 | /*****************************************************************************/ |
2467 | /*****************************************************************************/ |
2236 | |
2468 | |
2237 | struct ev_once |
2469 | struct ev_once |
2238 | { |
2470 | { |
2239 | ev_io io; |
2471 | ev_io io; |
… | |
… | |
2294 | ev_timer_set (&once->to, timeout, 0.); |
2526 | ev_timer_set (&once->to, timeout, 0.); |
2295 | ev_timer_start (EV_A_ &once->to); |
2527 | ev_timer_start (EV_A_ &once->to); |
2296 | } |
2528 | } |
2297 | } |
2529 | } |
2298 | |
2530 | |
|
|
2531 | #if EV_MULTIPLICITY |
|
|
2532 | #include "ev_wrap.h" |
|
|
2533 | #endif |
|
|
2534 | |
2299 | #ifdef __cplusplus |
2535 | #ifdef __cplusplus |
2300 | } |
2536 | } |
2301 | #endif |
2537 | #endif |
2302 | |
2538 | |