1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 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 modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
59 | # endif |
59 | # endif |
60 | # ifndef EV_USE_MONOTONIC |
60 | # ifndef EV_USE_MONOTONIC |
61 | # define EV_USE_MONOTONIC 1 |
61 | # define EV_USE_MONOTONIC 1 |
62 | # endif |
62 | # endif |
63 | # endif |
63 | # endif |
64 | # elif !defined(EV_USE_CLOCK_SYSCALL) |
64 | # elif !defined EV_USE_CLOCK_SYSCALL |
65 | # define EV_USE_CLOCK_SYSCALL 0 |
65 | # define EV_USE_CLOCK_SYSCALL 0 |
66 | # endif |
66 | # endif |
67 | |
67 | |
68 | # if HAVE_CLOCK_GETTIME |
68 | # if HAVE_CLOCK_GETTIME |
69 | # ifndef EV_USE_MONOTONIC |
69 | # ifndef EV_USE_MONOTONIC |
… | |
… | |
183 | # include EV_H |
183 | # include EV_H |
184 | #else |
184 | #else |
185 | # include "ev.h" |
185 | # include "ev.h" |
186 | #endif |
186 | #endif |
187 | |
187 | |
188 | EV_CPP(extern "C" {) |
188 | #if EV_NO_THREADS |
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189 | # undef EV_NO_SMP |
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190 | # define EV_NO_SMP 1 |
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191 | # undef ECB_NO_THREADS |
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192 | # define ECB_NO_THREADS 1 |
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193 | #endif |
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194 | #if EV_NO_SMP |
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195 | # undef EV_NO_SMP |
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196 | # define ECB_NO_SMP 1 |
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197 | #endif |
189 | |
198 | |
190 | #ifndef _WIN32 |
199 | #ifndef _WIN32 |
191 | # include <sys/time.h> |
200 | # include <sys/time.h> |
192 | # include <sys/wait.h> |
201 | # include <sys/wait.h> |
193 | # include <unistd.h> |
202 | # include <unistd.h> |
194 | #else |
203 | #else |
195 | # include <io.h> |
204 | # include <io.h> |
196 | # define WIN32_LEAN_AND_MEAN |
205 | # define WIN32_LEAN_AND_MEAN |
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206 | # include <winsock2.h> |
197 | # include <windows.h> |
207 | # include <windows.h> |
198 | # ifndef EV_SELECT_IS_WINSOCKET |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
199 | # define EV_SELECT_IS_WINSOCKET 1 |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
200 | # endif |
210 | # endif |
201 | # undef EV_AVOID_STDIO |
211 | # undef EV_AVOID_STDIO |
… | |
… | |
210 | #define _DARWIN_UNLIMITED_SELECT 1 |
220 | #define _DARWIN_UNLIMITED_SELECT 1 |
211 | |
221 | |
212 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
213 | |
223 | |
214 | /* try to deduce the maximum number of signals on this platform */ |
224 | /* try to deduce the maximum number of signals on this platform */ |
215 | #if defined (EV_NSIG) |
225 | #if defined EV_NSIG |
216 | /* use what's provided */ |
226 | /* use what's provided */ |
217 | #elif defined (NSIG) |
227 | #elif defined NSIG |
218 | # define EV_NSIG (NSIG) |
228 | # define EV_NSIG (NSIG) |
219 | #elif defined(_NSIG) |
229 | #elif defined _NSIG |
220 | # define EV_NSIG (_NSIG) |
230 | # define EV_NSIG (_NSIG) |
221 | #elif defined (SIGMAX) |
231 | #elif defined SIGMAX |
222 | # define EV_NSIG (SIGMAX+1) |
232 | # define EV_NSIG (SIGMAX+1) |
223 | #elif defined (SIG_MAX) |
233 | #elif defined SIG_MAX |
224 | # define EV_NSIG (SIG_MAX+1) |
234 | # define EV_NSIG (SIG_MAX+1) |
225 | #elif defined (_SIG_MAX) |
235 | #elif defined _SIG_MAX |
226 | # define EV_NSIG (_SIG_MAX+1) |
236 | # define EV_NSIG (_SIG_MAX+1) |
227 | #elif defined (MAXSIG) |
237 | #elif defined MAXSIG |
228 | # define EV_NSIG (MAXSIG+1) |
238 | # define EV_NSIG (MAXSIG+1) |
229 | #elif defined (MAX_SIG) |
239 | #elif defined MAX_SIG |
230 | # define EV_NSIG (MAX_SIG+1) |
240 | # define EV_NSIG (MAX_SIG+1) |
231 | #elif defined (SIGARRAYSIZE) |
241 | #elif defined SIGARRAYSIZE |
232 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
242 | # define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ |
233 | #elif defined (_sys_nsig) |
243 | #elif defined _sys_nsig |
234 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
244 | # define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ |
235 | #else |
245 | #else |
236 | # error "unable to find value for NSIG, please report" |
246 | # error "unable to find value for NSIG, please report" |
237 | /* to make it compile regardless, just remove the above line, */ |
247 | /* to make it compile regardless, just remove the above line, */ |
238 | /* but consider reporting it, too! :) */ |
248 | /* but consider reporting it, too! :) */ |
… | |
… | |
250 | # define EV_USE_CLOCK_SYSCALL 0 |
260 | # define EV_USE_CLOCK_SYSCALL 0 |
251 | # endif |
261 | # endif |
252 | #endif |
262 | #endif |
253 | |
263 | |
254 | #ifndef EV_USE_MONOTONIC |
264 | #ifndef EV_USE_MONOTONIC |
255 | # if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 |
265 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
256 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
266 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
257 | # else |
267 | # else |
258 | # define EV_USE_MONOTONIC 0 |
268 | # define EV_USE_MONOTONIC 0 |
259 | # endif |
269 | # endif |
260 | #endif |
270 | #endif |
… | |
… | |
350 | #endif |
360 | #endif |
351 | |
361 | |
352 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
362 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
353 | /* which makes programs even slower. might work on other unices, too. */ |
363 | /* which makes programs even slower. might work on other unices, too. */ |
354 | #if EV_USE_CLOCK_SYSCALL |
364 | #if EV_USE_CLOCK_SYSCALL |
355 | # include <syscall.h> |
365 | # include <sys/syscall.h> |
356 | # ifdef SYS_clock_gettime |
366 | # ifdef SYS_clock_gettime |
357 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
367 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
358 | # undef EV_USE_MONOTONIC |
368 | # undef EV_USE_MONOTONIC |
359 | # define EV_USE_MONOTONIC 1 |
369 | # define EV_USE_MONOTONIC 1 |
360 | # else |
370 | # else |
… | |
… | |
386 | # define EV_USE_INOTIFY 0 |
396 | # define EV_USE_INOTIFY 0 |
387 | #endif |
397 | #endif |
388 | |
398 | |
389 | #if !EV_USE_NANOSLEEP |
399 | #if !EV_USE_NANOSLEEP |
390 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
400 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
391 | # if !defined(_WIN32) && !defined(__hpux) |
401 | # if !defined _WIN32 && !defined __hpux |
392 | # include <sys/select.h> |
402 | # include <sys/select.h> |
393 | # endif |
403 | # endif |
394 | #endif |
404 | #endif |
395 | |
405 | |
396 | #if EV_USE_INOTIFY |
406 | #if EV_USE_INOTIFY |
… | |
… | |
399 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
409 | /* some very old inotify.h headers don't have IN_DONT_FOLLOW */ |
400 | # ifndef IN_DONT_FOLLOW |
410 | # ifndef IN_DONT_FOLLOW |
401 | # undef EV_USE_INOTIFY |
411 | # undef EV_USE_INOTIFY |
402 | # define EV_USE_INOTIFY 0 |
412 | # define EV_USE_INOTIFY 0 |
403 | # endif |
413 | # endif |
404 | #endif |
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405 | |
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406 | #if EV_SELECT_IS_WINSOCKET |
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407 | # include <winsock.h> |
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408 | #endif |
414 | #endif |
409 | |
415 | |
410 | #if EV_USE_EVENTFD |
416 | #if EV_USE_EVENTFD |
411 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
417 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
412 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
464 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
470 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
465 | |
471 | |
466 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
472 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
467 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
473 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
468 | |
474 | |
469 | /* the following are taken from libecb */ |
475 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
470 | /* ecb.h start */ |
476 | /* ECB.H BEGIN */ |
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477 | /* |
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478 | * libecb - http://software.schmorp.de/pkg/libecb |
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479 | * |
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480 | * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de> |
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481 | * Copyright (©) 2011 Emanuele Giaquinta |
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482 | * All rights reserved. |
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483 | * |
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484 | * Redistribution and use in source and binary forms, with or without modifica- |
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485 | * tion, are permitted provided that the following conditions are met: |
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486 | * |
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487 | * 1. Redistributions of source code must retain the above copyright notice, |
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488 | * this list of conditions and the following disclaimer. |
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489 | * |
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490 | * 2. Redistributions in binary form must reproduce the above copyright |
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491 | * notice, this list of conditions and the following disclaimer in the |
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492 | * documentation and/or other materials provided with the distribution. |
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493 | * |
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494 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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495 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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496 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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497 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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498 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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499 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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500 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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501 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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502 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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503 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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504 | */ |
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505 | |
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506 | #ifndef ECB_H |
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507 | #define ECB_H |
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508 | |
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509 | /* 16 bits major, 16 bits minor */ |
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510 | #define ECB_VERSION 0x00010001 |
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511 | |
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512 | #ifdef _WIN32 |
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513 | typedef signed char int8_t; |
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514 | typedef unsigned char uint8_t; |
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515 | typedef signed short int16_t; |
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516 | typedef unsigned short uint16_t; |
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517 | typedef signed int int32_t; |
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518 | typedef unsigned int uint32_t; |
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519 | #if __GNUC__ |
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520 | typedef signed long long int64_t; |
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521 | typedef unsigned long long uint64_t; |
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522 | #else /* _MSC_VER || __BORLANDC__ */ |
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523 | typedef signed __int64 int64_t; |
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524 | typedef unsigned __int64 uint64_t; |
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525 | #endif |
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526 | #ifdef _WIN64 |
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527 | #define ECB_PTRSIZE 8 |
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528 | typedef uint64_t uintptr_t; |
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529 | typedef int64_t intptr_t; |
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530 | #else |
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531 | #define ECB_PTRSIZE 4 |
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532 | typedef uint32_t uintptr_t; |
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533 | typedef int32_t intptr_t; |
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534 | #endif |
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535 | typedef intptr_t ptrdiff_t; |
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536 | #else |
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537 | #include <inttypes.h> |
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538 | #if UINTMAX_MAX > 0xffffffffU |
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539 | #define ECB_PTRSIZE 8 |
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540 | #else |
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541 | #define ECB_PTRSIZE 4 |
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542 | #endif |
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543 | #endif |
471 | |
544 | |
472 | /* many compilers define _GNUC_ to some versions but then only implement |
545 | /* many compilers define _GNUC_ to some versions but then only implement |
473 | * what their idiot authors think are the "more important" extensions, |
546 | * what their idiot authors think are the "more important" extensions, |
474 | * causing enourmous grief in return for some better fake benchmark numbers. |
547 | * causing enormous grief in return for some better fake benchmark numbers. |
475 | * or so. |
548 | * or so. |
476 | * we try to detect these and simply assume they are not gcc - if they have |
549 | * we try to detect these and simply assume they are not gcc - if they have |
477 | * an issue with that they should have done it right in the first place. |
550 | * an issue with that they should have done it right in the first place. |
478 | */ |
551 | */ |
479 | #ifndef ECB_GCC_VERSION |
552 | #ifndef ECB_GCC_VERSION |
480 | #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) |
553 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
481 | #define ECB_GCC_VERSION(major,minor) 0 |
554 | #define ECB_GCC_VERSION(major,minor) 0 |
482 | #else |
555 | #else |
483 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
556 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
484 | #endif |
557 | #endif |
485 | #endif |
558 | #endif |
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559 | |
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560 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
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561 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
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562 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
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563 | #define ECB_CPP (__cplusplus+0) |
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564 | #define ECB_CPP98 (__cplusplus >= 199711L) |
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565 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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566 | |
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567 | /*****************************************************************************/ |
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568 | |
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569 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
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570 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
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571 | |
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572 | #if ECB_NO_THREADS |
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573 | #define ECB_NO_SMP 1 |
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574 | #endif |
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575 | |
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576 | #if ECB_NO_SMP |
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577 | #define ECB_MEMORY_FENCE do { } while (0) |
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578 | #endif |
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579 | |
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580 | #ifndef ECB_MEMORY_FENCE |
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581 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
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582 | #if __i386 || __i386__ |
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583 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
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584 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
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585 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
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586 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
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587 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
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588 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
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589 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
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590 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
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591 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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592 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
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593 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
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594 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
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595 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
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596 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
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597 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
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598 | #elif __sparc || __sparc__ |
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599 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
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600 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
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601 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
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602 | #elif defined __s390__ || defined __s390x__ |
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603 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
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604 | #elif defined __mips__ |
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605 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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606 | #elif defined __alpha__ |
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607 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
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608 | #elif defined __hppa__ |
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609 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
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610 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
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611 | #elif defined __ia64__ |
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612 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
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613 | #endif |
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614 | #endif |
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615 | #endif |
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616 | |
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617 | #ifndef ECB_MEMORY_FENCE |
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618 | #if ECB_GCC_VERSION(4,7) |
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619 | /* see comment below about the C11 memory model. in short - avoid */ |
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620 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
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621 | #elif defined __clang && __has_feature (cxx_atomic) |
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622 | /* see above */ |
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623 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
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624 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
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625 | #define ECB_MEMORY_FENCE __sync_synchronize () |
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626 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
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627 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
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628 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
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629 | #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ |
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630 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
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631 | #elif defined _WIN32 |
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632 | #include <WinNT.h> |
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633 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
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634 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
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635 | #include <mbarrier.h> |
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636 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
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637 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
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638 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
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639 | #elif __xlC__ |
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640 | #define ECB_MEMORY_FENCE __sync () |
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641 | #endif |
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642 | #endif |
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643 | |
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644 | #ifndef ECB_MEMORY_FENCE |
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645 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
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646 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
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647 | /* not just C11 atomics and atomic accesses */ |
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648 | #include <stdatomic.h> |
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649 | /* unfortunately, the C11 memory model seems to be very limited, and unable to express */ |
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650 | /* simple barrier semantics. That means we need to take out thor's hammer. */ |
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651 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
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652 | #endif |
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653 | #endif |
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654 | |
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655 | #ifndef ECB_MEMORY_FENCE |
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656 | #if !ECB_AVOID_PTHREADS |
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657 | /* |
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658 | * if you get undefined symbol references to pthread_mutex_lock, |
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659 | * or failure to find pthread.h, then you should implement |
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660 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
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661 | * OR provide pthread.h and link against the posix thread library |
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662 | * of your system. |
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663 | */ |
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664 | #include <pthread.h> |
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665 | #define ECB_NEEDS_PTHREADS 1 |
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666 | #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 |
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667 | |
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668 | static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; |
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669 | #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) |
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670 | #endif |
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671 | #endif |
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672 | |
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673 | #if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE |
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674 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
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675 | #endif |
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676 | |
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677 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
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678 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
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679 | #endif |
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680 | |
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681 | /*****************************************************************************/ |
486 | |
682 | |
487 | #if __cplusplus |
683 | #if __cplusplus |
488 | #define ecb_inline static inline |
684 | #define ecb_inline static inline |
489 | #elif ECB_GCC_VERSION(2,5) |
685 | #elif ECB_GCC_VERSION(2,5) |
490 | #define ecb_inline static __inline__ |
686 | #define ecb_inline static __inline__ |
491 | #elif ECB_C99 |
687 | #elif ECB_C99 |
492 | #define ecb_inline static inline |
688 | #define ecb_inline static inline |
493 | #else |
689 | #else |
494 | #define ecb_inline static |
690 | #define ecb_inline static |
495 | #endif |
691 | #endif |
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692 | |
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693 | #if ECB_GCC_VERSION(3,3) |
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694 | #define ecb_restrict __restrict__ |
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695 | #elif ECB_C99 |
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696 | #define ecb_restrict restrict |
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697 | #else |
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698 | #define ecb_restrict |
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699 | #endif |
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700 | |
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701 | typedef int ecb_bool; |
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702 | |
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703 | #define ECB_CONCAT_(a, b) a ## b |
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704 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
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705 | #define ECB_STRINGIFY_(a) # a |
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706 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
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707 | |
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708 | #define ecb_function_ ecb_inline |
496 | |
709 | |
497 | #if ECB_GCC_VERSION(3,1) |
710 | #if ECB_GCC_VERSION(3,1) |
498 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
711 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
499 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
712 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
500 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
713 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
… | |
… | |
504 | #define ecb_is_constant(expr) 0 |
717 | #define ecb_is_constant(expr) 0 |
505 | #define ecb_expect(expr,value) (expr) |
718 | #define ecb_expect(expr,value) (expr) |
506 | #define ecb_prefetch(addr,rw,locality) |
719 | #define ecb_prefetch(addr,rw,locality) |
507 | #endif |
720 | #endif |
508 | |
721 | |
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722 | /* no emulation for ecb_decltype */ |
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723 | #if ECB_GCC_VERSION(4,5) |
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724 | #define ecb_decltype(x) __decltype(x) |
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725 | #elif ECB_GCC_VERSION(3,0) |
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726 | #define ecb_decltype(x) __typeof(x) |
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727 | #endif |
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728 | |
509 | #define ecb_noinline ecb_attribute ((__noinline__)) |
729 | #define ecb_noinline ecb_attribute ((__noinline__)) |
510 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
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511 | #define ecb_unused ecb_attribute ((__unused__)) |
730 | #define ecb_unused ecb_attribute ((__unused__)) |
512 | #define ecb_const ecb_attribute ((__const__)) |
731 | #define ecb_const ecb_attribute ((__const__)) |
513 | #define ecb_pure ecb_attribute ((__pure__)) |
732 | #define ecb_pure ecb_attribute ((__pure__)) |
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733 | |
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734 | #if ECB_C11 |
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735 | #define ecb_noreturn _Noreturn |
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736 | #else |
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737 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
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738 | #endif |
514 | |
739 | |
515 | #if ECB_GCC_VERSION(4,3) |
740 | #if ECB_GCC_VERSION(4,3) |
516 | #define ecb_artificial ecb_attribute ((__artificial__)) |
741 | #define ecb_artificial ecb_attribute ((__artificial__)) |
517 | #define ecb_hot ecb_attribute ((__hot__)) |
742 | #define ecb_hot ecb_attribute ((__hot__)) |
518 | #define ecb_cold ecb_attribute ((__cold__)) |
743 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
525 | /* put around conditional expressions if you are very sure that the */ |
750 | /* put around conditional expressions if you are very sure that the */ |
526 | /* expression is mostly true or mostly false. note that these return */ |
751 | /* expression is mostly true or mostly false. note that these return */ |
527 | /* booleans, not the expression. */ |
752 | /* booleans, not the expression. */ |
528 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
753 | #define ecb_expect_false(expr) ecb_expect (!!(expr), 0) |
529 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
754 | #define ecb_expect_true(expr) ecb_expect (!!(expr), 1) |
530 | /* ecb.h end */ |
755 | /* for compatibility to the rest of the world */ |
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756 | #define ecb_likely(expr) ecb_expect_true (expr) |
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757 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
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758 | |
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759 | /* count trailing zero bits and count # of one bits */ |
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760 | #if ECB_GCC_VERSION(3,4) |
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761 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
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762 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
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763 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
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764 | #define ecb_ctz32(x) __builtin_ctz (x) |
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765 | #define ecb_ctz64(x) __builtin_ctzll (x) |
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766 | #define ecb_popcount32(x) __builtin_popcount (x) |
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767 | /* no popcountll */ |
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768 | #else |
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769 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
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770 | ecb_function_ int |
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771 | ecb_ctz32 (uint32_t x) |
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772 | { |
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773 | int r = 0; |
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774 | |
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775 | x &= ~x + 1; /* this isolates the lowest bit */ |
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776 | |
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777 | #if ECB_branchless_on_i386 |
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778 | r += !!(x & 0xaaaaaaaa) << 0; |
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779 | r += !!(x & 0xcccccccc) << 1; |
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780 | r += !!(x & 0xf0f0f0f0) << 2; |
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781 | r += !!(x & 0xff00ff00) << 3; |
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782 | r += !!(x & 0xffff0000) << 4; |
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783 | #else |
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784 | if (x & 0xaaaaaaaa) r += 1; |
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785 | if (x & 0xcccccccc) r += 2; |
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786 | if (x & 0xf0f0f0f0) r += 4; |
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787 | if (x & 0xff00ff00) r += 8; |
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788 | if (x & 0xffff0000) r += 16; |
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789 | #endif |
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790 | |
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791 | return r; |
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792 | } |
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793 | |
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794 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
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795 | ecb_function_ int |
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796 | ecb_ctz64 (uint64_t x) |
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797 | { |
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798 | int shift = x & 0xffffffffU ? 0 : 32; |
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799 | return ecb_ctz32 (x >> shift) + shift; |
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800 | } |
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801 | |
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802 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
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803 | ecb_function_ int |
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804 | ecb_popcount32 (uint32_t x) |
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805 | { |
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806 | x -= (x >> 1) & 0x55555555; |
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807 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
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808 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
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809 | x *= 0x01010101; |
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810 | |
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811 | return x >> 24; |
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812 | } |
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813 | |
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814 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
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815 | ecb_function_ int ecb_ld32 (uint32_t x) |
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816 | { |
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817 | int r = 0; |
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818 | |
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819 | if (x >> 16) { x >>= 16; r += 16; } |
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820 | if (x >> 8) { x >>= 8; r += 8; } |
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821 | if (x >> 4) { x >>= 4; r += 4; } |
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822 | if (x >> 2) { x >>= 2; r += 2; } |
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823 | if (x >> 1) { r += 1; } |
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824 | |
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825 | return r; |
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826 | } |
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827 | |
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828 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
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829 | ecb_function_ int ecb_ld64 (uint64_t x) |
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830 | { |
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831 | int r = 0; |
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832 | |
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833 | if (x >> 32) { x >>= 32; r += 32; } |
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834 | |
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835 | return r + ecb_ld32 (x); |
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836 | } |
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837 | #endif |
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838 | |
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839 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
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840 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
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841 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
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842 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
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843 | |
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844 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
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845 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
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846 | { |
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847 | return ( (x * 0x0802U & 0x22110U) |
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848 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
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849 | } |
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850 | |
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851 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
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852 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
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853 | { |
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854 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
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855 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
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856 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
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857 | x = ( x >> 8 ) | ( x << 8); |
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858 | |
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859 | return x; |
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860 | } |
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861 | |
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862 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
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863 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
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864 | { |
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865 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
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866 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
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867 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
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868 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
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869 | x = ( x >> 16 ) | ( x << 16); |
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870 | |
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871 | return x; |
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|
872 | } |
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873 | |
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874 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
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875 | /* so for this version we are lazy */ |
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876 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
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877 | ecb_function_ int |
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878 | ecb_popcount64 (uint64_t x) |
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879 | { |
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880 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
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881 | } |
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882 | |
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883 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
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884 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
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885 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
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886 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
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887 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
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888 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
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889 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
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890 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
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891 | |
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892 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
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893 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
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894 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
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895 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
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896 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
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897 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
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898 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
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899 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
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900 | |
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901 | #if ECB_GCC_VERSION(4,3) |
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902 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
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903 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
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904 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
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905 | #else |
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906 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
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907 | ecb_function_ uint16_t |
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908 | ecb_bswap16 (uint16_t x) |
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909 | { |
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910 | return ecb_rotl16 (x, 8); |
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911 | } |
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912 | |
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|
913 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
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914 | ecb_function_ uint32_t |
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915 | ecb_bswap32 (uint32_t x) |
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916 | { |
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917 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
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918 | } |
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|
919 | |
|
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920 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
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|
921 | ecb_function_ uint64_t |
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922 | ecb_bswap64 (uint64_t x) |
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|
923 | { |
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|
924 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
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|
925 | } |
|
|
926 | #endif |
|
|
927 | |
|
|
928 | #if ECB_GCC_VERSION(4,5) |
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|
929 | #define ecb_unreachable() __builtin_unreachable () |
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|
930 | #else |
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|
931 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
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|
932 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
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|
933 | ecb_inline void ecb_unreachable (void) { } |
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|
934 | #endif |
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|
935 | |
|
|
936 | /* try to tell the compiler that some condition is definitely true */ |
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|
937 | #define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) |
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|
938 | |
|
|
939 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
|
|
940 | ecb_inline unsigned char |
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|
941 | ecb_byteorder_helper (void) |
|
|
942 | { |
|
|
943 | const uint32_t u = 0x11223344; |
|
|
944 | return *(unsigned char *)&u; |
|
|
945 | } |
|
|
946 | |
|
|
947 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
|
|
948 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
|
|
949 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
|
|
950 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
|
|
951 | |
|
|
952 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
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|
953 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
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|
954 | #else |
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|
955 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
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|
956 | #endif |
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|
957 | |
|
|
958 | #if __cplusplus |
|
|
959 | template<typename T> |
|
|
960 | static inline T ecb_div_rd (T val, T div) |
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|
961 | { |
|
|
962 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
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|
963 | } |
|
|
964 | template<typename T> |
|
|
965 | static inline T ecb_div_ru (T val, T div) |
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|
966 | { |
|
|
967 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
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|
968 | } |
|
|
969 | #else |
|
|
970 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
|
|
971 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
|
|
972 | #endif |
|
|
973 | |
|
|
974 | #if ecb_cplusplus_does_not_suck |
|
|
975 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
|
|
976 | template<typename T, int N> |
|
|
977 | static inline int ecb_array_length (const T (&arr)[N]) |
|
|
978 | { |
|
|
979 | return N; |
|
|
980 | } |
|
|
981 | #else |
|
|
982 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
|
|
983 | #endif |
|
|
984 | |
|
|
985 | #endif |
|
|
986 | |
|
|
987 | /* ECB.H END */ |
|
|
988 | |
|
|
989 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
|
|
990 | /* if your architecture doesn't need memory fences, e.g. because it is |
|
|
991 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
|
|
992 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
|
|
993 | * libev, in which cases the memory fences become nops. |
|
|
994 | * alternatively, you can remove this #error and link against libpthread, |
|
|
995 | * which will then provide the memory fences. |
|
|
996 | */ |
|
|
997 | # error "memory fences not defined for your architecture, please report" |
|
|
998 | #endif |
|
|
999 | |
|
|
1000 | #ifndef ECB_MEMORY_FENCE |
|
|
1001 | # define ECB_MEMORY_FENCE do { } while (0) |
|
|
1002 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
|
|
1003 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
1004 | #endif |
531 | |
1005 | |
532 | #define expect_false(cond) ecb_expect_false (cond) |
1006 | #define expect_false(cond) ecb_expect_false (cond) |
533 | #define expect_true(cond) ecb_expect_true (cond) |
1007 | #define expect_true(cond) ecb_expect_true (cond) |
534 | #define noinline ecb_noinline |
1008 | #define noinline ecb_noinline |
535 | |
1009 | |
… | |
… | |
681 | { |
1155 | { |
682 | write (STDERR_FILENO, msg, strlen (msg)); |
1156 | write (STDERR_FILENO, msg, strlen (msg)); |
683 | } |
1157 | } |
684 | #endif |
1158 | #endif |
685 | |
1159 | |
686 | static void (*syserr_cb)(const char *msg); |
1160 | static void (*syserr_cb)(const char *msg) EV_THROW; |
687 | |
1161 | |
688 | void ecb_cold |
1162 | void ecb_cold |
689 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
1163 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
690 | { |
1164 | { |
691 | syserr_cb = cb; |
1165 | syserr_cb = cb; |
692 | } |
1166 | } |
693 | |
1167 | |
694 | static void noinline ecb_cold |
1168 | static void noinline ecb_cold |
… | |
… | |
712 | abort (); |
1186 | abort (); |
713 | } |
1187 | } |
714 | } |
1188 | } |
715 | |
1189 | |
716 | static void * |
1190 | static void * |
717 | ev_realloc_emul (void *ptr, long size) |
1191 | ev_realloc_emul (void *ptr, long size) EV_THROW |
718 | { |
1192 | { |
719 | #if __GLIBC__ |
1193 | #if __GLIBC__ |
720 | return realloc (ptr, size); |
1194 | return realloc (ptr, size); |
721 | #else |
1195 | #else |
722 | /* some systems, notably openbsd and darwin, fail to properly |
1196 | /* some systems, notably openbsd and darwin, fail to properly |
… | |
… | |
730 | free (ptr); |
1204 | free (ptr); |
731 | return 0; |
1205 | return 0; |
732 | #endif |
1206 | #endif |
733 | } |
1207 | } |
734 | |
1208 | |
735 | static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; |
1209 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
736 | |
1210 | |
737 | void ecb_cold |
1211 | void ecb_cold |
738 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
1212 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
739 | { |
1213 | { |
740 | alloc = cb; |
1214 | alloc = cb; |
741 | } |
1215 | } |
742 | |
1216 | |
743 | inline_speed void * |
1217 | inline_speed void * |
… | |
… | |
831 | #undef VAR |
1305 | #undef VAR |
832 | }; |
1306 | }; |
833 | #include "ev_wrap.h" |
1307 | #include "ev_wrap.h" |
834 | |
1308 | |
835 | static struct ev_loop default_loop_struct; |
1309 | static struct ev_loop default_loop_struct; |
836 | struct ev_loop *ev_default_loop_ptr; |
1310 | EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */ |
837 | |
1311 | |
838 | #else |
1312 | #else |
839 | |
1313 | |
840 | ev_tstamp ev_rt_now; |
1314 | EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */ |
841 | #define VAR(name,decl) static decl; |
1315 | #define VAR(name,decl) static decl; |
842 | #include "ev_vars.h" |
1316 | #include "ev_vars.h" |
843 | #undef VAR |
1317 | #undef VAR |
844 | |
1318 | |
845 | static int ev_default_loop_ptr; |
1319 | static int ev_default_loop_ptr; |
… | |
… | |
860 | |
1334 | |
861 | /*****************************************************************************/ |
1335 | /*****************************************************************************/ |
862 | |
1336 | |
863 | #ifndef EV_HAVE_EV_TIME |
1337 | #ifndef EV_HAVE_EV_TIME |
864 | ev_tstamp |
1338 | ev_tstamp |
865 | ev_time (void) |
1339 | ev_time (void) EV_THROW |
866 | { |
1340 | { |
867 | #if EV_USE_REALTIME |
1341 | #if EV_USE_REALTIME |
868 | if (expect_true (have_realtime)) |
1342 | if (expect_true (have_realtime)) |
869 | { |
1343 | { |
870 | struct timespec ts; |
1344 | struct timespec ts; |
… | |
… | |
894 | return ev_time (); |
1368 | return ev_time (); |
895 | } |
1369 | } |
896 | |
1370 | |
897 | #if EV_MULTIPLICITY |
1371 | #if EV_MULTIPLICITY |
898 | ev_tstamp |
1372 | ev_tstamp |
899 | ev_now (EV_P) |
1373 | ev_now (EV_P) EV_THROW |
900 | { |
1374 | { |
901 | return ev_rt_now; |
1375 | return ev_rt_now; |
902 | } |
1376 | } |
903 | #endif |
1377 | #endif |
904 | |
1378 | |
905 | void |
1379 | void |
906 | ev_sleep (ev_tstamp delay) |
1380 | ev_sleep (ev_tstamp delay) EV_THROW |
907 | { |
1381 | { |
908 | if (delay > 0.) |
1382 | if (delay > 0.) |
909 | { |
1383 | { |
910 | #if EV_USE_NANOSLEEP |
1384 | #if EV_USE_NANOSLEEP |
911 | struct timespec ts; |
1385 | struct timespec ts; |
912 | |
1386 | |
913 | EV_TS_SET (ts, delay); |
1387 | EV_TS_SET (ts, delay); |
914 | nanosleep (&ts, 0); |
1388 | nanosleep (&ts, 0); |
915 | #elif defined(_WIN32) |
1389 | #elif defined _WIN32 |
916 | Sleep ((unsigned long)(delay * 1e3)); |
1390 | Sleep ((unsigned long)(delay * 1e3)); |
917 | #else |
1391 | #else |
918 | struct timeval tv; |
1392 | struct timeval tv; |
919 | |
1393 | |
920 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1394 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
939 | |
1413 | |
940 | do |
1414 | do |
941 | ncur <<= 1; |
1415 | ncur <<= 1; |
942 | while (cnt > ncur); |
1416 | while (cnt > ncur); |
943 | |
1417 | |
944 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ |
1418 | /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */ |
945 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
1419 | if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) |
946 | { |
1420 | { |
947 | ncur *= elem; |
1421 | ncur *= elem; |
948 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
1422 | ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); |
949 | ncur = ncur - sizeof (void *) * 4; |
1423 | ncur = ncur - sizeof (void *) * 4; |
… | |
… | |
964 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1438 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
965 | |
1439 | |
966 | #define array_needsize(type,base,cur,cnt,init) \ |
1440 | #define array_needsize(type,base,cur,cnt,init) \ |
967 | if (expect_false ((cnt) > (cur))) \ |
1441 | if (expect_false ((cnt) > (cur))) \ |
968 | { \ |
1442 | { \ |
969 | int ocur_ = (cur); \ |
1443 | int ecb_unused ocur_ = (cur); \ |
970 | (base) = (type *)array_realloc \ |
1444 | (base) = (type *)array_realloc \ |
971 | (sizeof (type), (base), &(cur), (cnt)); \ |
1445 | (sizeof (type), (base), &(cur), (cnt)); \ |
972 | init ((base) + (ocur_), (cur) - ocur_); \ |
1446 | init ((base) + (ocur_), (cur) - ocur_); \ |
973 | } |
1447 | } |
974 | |
1448 | |
… | |
… | |
992 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1466 | pendingcb (EV_P_ ev_prepare *w, int revents) |
993 | { |
1467 | { |
994 | } |
1468 | } |
995 | |
1469 | |
996 | void noinline |
1470 | void noinline |
997 | ev_feed_event (EV_P_ void *w, int revents) |
1471 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
998 | { |
1472 | { |
999 | W w_ = (W)w; |
1473 | W w_ = (W)w; |
1000 | int pri = ABSPRI (w_); |
1474 | int pri = ABSPRI (w_); |
1001 | |
1475 | |
1002 | if (expect_false (w_->pending)) |
1476 | if (expect_false (w_->pending)) |
… | |
… | |
1006 | w_->pending = ++pendingcnt [pri]; |
1480 | w_->pending = ++pendingcnt [pri]; |
1007 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1481 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
1008 | pendings [pri][w_->pending - 1].w = w_; |
1482 | pendings [pri][w_->pending - 1].w = w_; |
1009 | pendings [pri][w_->pending - 1].events = revents; |
1483 | pendings [pri][w_->pending - 1].events = revents; |
1010 | } |
1484 | } |
|
|
1485 | |
|
|
1486 | pendingpri = NUMPRI - 1; |
1011 | } |
1487 | } |
1012 | |
1488 | |
1013 | inline_speed void |
1489 | inline_speed void |
1014 | feed_reverse (EV_P_ W w) |
1490 | feed_reverse (EV_P_ W w) |
1015 | { |
1491 | { |
… | |
… | |
1061 | if (expect_true (!anfd->reify)) |
1537 | if (expect_true (!anfd->reify)) |
1062 | fd_event_nocheck (EV_A_ fd, revents); |
1538 | fd_event_nocheck (EV_A_ fd, revents); |
1063 | } |
1539 | } |
1064 | |
1540 | |
1065 | void |
1541 | void |
1066 | ev_feed_fd_event (EV_P_ int fd, int revents) |
1542 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
1067 | { |
1543 | { |
1068 | if (fd >= 0 && fd < anfdmax) |
1544 | if (fd >= 0 && fd < anfdmax) |
1069 | fd_event_nocheck (EV_A_ fd, revents); |
1545 | fd_event_nocheck (EV_A_ fd, revents); |
1070 | } |
1546 | } |
1071 | |
1547 | |
… | |
… | |
1420 | } |
1896 | } |
1421 | |
1897 | |
1422 | inline_speed void |
1898 | inline_speed void |
1423 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1899 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1424 | { |
1900 | { |
1425 | if (!*flag) |
1901 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
1426 | { |
1902 | |
|
|
1903 | if (expect_true (*flag)) |
|
|
1904 | return; |
|
|
1905 | |
1427 | *flag = 1; |
1906 | *flag = 1; |
|
|
1907 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
1428 | |
1908 | |
|
|
1909 | pipe_write_skipped = 1; |
|
|
1910 | |
|
|
1911 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
|
|
1912 | |
|
|
1913 | if (pipe_write_wanted) |
|
|
1914 | { |
|
|
1915 | int old_errno; |
|
|
1916 | |
1429 | pipe_write_skipped = 1; |
1917 | pipe_write_skipped = 0; |
|
|
1918 | ECB_MEMORY_FENCE_RELEASE; |
1430 | |
1919 | |
1431 | if (pipe_write_wanted) |
1920 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1921 | |
|
|
1922 | #if EV_USE_EVENTFD |
|
|
1923 | if (evfd >= 0) |
1432 | { |
1924 | { |
1433 | int old_errno; |
|
|
1434 | |
|
|
1435 | pipe_write_skipped = 0; |
|
|
1436 | |
|
|
1437 | old_errno = errno; /* save errno because write will clobber it */ |
|
|
1438 | |
|
|
1439 | #if EV_USE_EVENTFD |
|
|
1440 | if (evfd >= 0) |
|
|
1441 | { |
|
|
1442 | uint64_t counter = 1; |
1925 | uint64_t counter = 1; |
1443 | write (evfd, &counter, sizeof (uint64_t)); |
1926 | write (evfd, &counter, sizeof (uint64_t)); |
1444 | } |
|
|
1445 | else |
|
|
1446 | #endif |
|
|
1447 | { |
|
|
1448 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1449 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1450 | /* so when you think this write should be a send instead, please find out */ |
|
|
1451 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1452 | /* tell me. thank you. */ |
|
|
1453 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1454 | } |
|
|
1455 | |
|
|
1456 | errno = old_errno; |
|
|
1457 | } |
1927 | } |
|
|
1928 | else |
|
|
1929 | #endif |
|
|
1930 | { |
|
|
1931 | #ifdef _WIN32 |
|
|
1932 | WSABUF buf; |
|
|
1933 | DWORD sent; |
|
|
1934 | buf.buf = &buf; |
|
|
1935 | buf.len = 1; |
|
|
1936 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
|
|
1937 | #else |
|
|
1938 | write (evpipe [1], &(evpipe [1]), 1); |
|
|
1939 | #endif |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | errno = old_errno; |
1458 | } |
1943 | } |
1459 | } |
1944 | } |
1460 | |
1945 | |
1461 | /* called whenever the libev signal pipe */ |
1946 | /* called whenever the libev signal pipe */ |
1462 | /* got some events (signal, async) */ |
1947 | /* got some events (signal, async) */ |
… | |
… | |
1474 | read (evfd, &counter, sizeof (uint64_t)); |
1959 | read (evfd, &counter, sizeof (uint64_t)); |
1475 | } |
1960 | } |
1476 | else |
1961 | else |
1477 | #endif |
1962 | #endif |
1478 | { |
1963 | { |
1479 | char dummy; |
1964 | char dummy[4]; |
1480 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1965 | #ifdef _WIN32 |
|
|
1966 | WSABUF buf; |
|
|
1967 | DWORD recvd; |
|
|
1968 | DWORD flags = 0; |
|
|
1969 | buf.buf = dummy; |
|
|
1970 | buf.len = sizeof (dummy); |
|
|
1971 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
|
|
1972 | #else |
1481 | read (evpipe [0], &dummy, 1); |
1973 | read (evpipe [0], &dummy, sizeof (dummy)); |
|
|
1974 | #endif |
1482 | } |
1975 | } |
1483 | } |
1976 | } |
1484 | |
1977 | |
1485 | pipe_write_skipped = 0; |
1978 | pipe_write_skipped = 0; |
|
|
1979 | |
|
|
1980 | ECB_MEMORY_FENCE; /* push out skipped, acquire flags */ |
1486 | |
1981 | |
1487 | #if EV_SIGNAL_ENABLE |
1982 | #if EV_SIGNAL_ENABLE |
1488 | if (sig_pending) |
1983 | if (sig_pending) |
1489 | { |
1984 | { |
1490 | sig_pending = 0; |
1985 | sig_pending = 0; |
|
|
1986 | |
|
|
1987 | ECB_MEMORY_FENCE; |
1491 | |
1988 | |
1492 | for (i = EV_NSIG - 1; i--; ) |
1989 | for (i = EV_NSIG - 1; i--; ) |
1493 | if (expect_false (signals [i].pending)) |
1990 | if (expect_false (signals [i].pending)) |
1494 | ev_feed_signal_event (EV_A_ i + 1); |
1991 | ev_feed_signal_event (EV_A_ i + 1); |
1495 | } |
1992 | } |
… | |
… | |
1497 | |
1994 | |
1498 | #if EV_ASYNC_ENABLE |
1995 | #if EV_ASYNC_ENABLE |
1499 | if (async_pending) |
1996 | if (async_pending) |
1500 | { |
1997 | { |
1501 | async_pending = 0; |
1998 | async_pending = 0; |
|
|
1999 | |
|
|
2000 | ECB_MEMORY_FENCE; |
1502 | |
2001 | |
1503 | for (i = asynccnt; i--; ) |
2002 | for (i = asynccnt; i--; ) |
1504 | if (asyncs [i]->sent) |
2003 | if (asyncs [i]->sent) |
1505 | { |
2004 | { |
1506 | asyncs [i]->sent = 0; |
2005 | asyncs [i]->sent = 0; |
|
|
2006 | ECB_MEMORY_FENCE_RELEASE; |
1507 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2007 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1508 | } |
2008 | } |
1509 | } |
2009 | } |
1510 | #endif |
2010 | #endif |
1511 | } |
2011 | } |
1512 | |
2012 | |
1513 | /*****************************************************************************/ |
2013 | /*****************************************************************************/ |
1514 | |
2014 | |
1515 | void |
2015 | void |
1516 | ev_feed_signal (int signum) |
2016 | ev_feed_signal (int signum) EV_THROW |
1517 | { |
2017 | { |
1518 | #if EV_MULTIPLICITY |
2018 | #if EV_MULTIPLICITY |
1519 | EV_P = signals [signum - 1].loop; |
2019 | EV_P = signals [signum - 1].loop; |
1520 | |
2020 | |
1521 | if (!EV_A) |
2021 | if (!EV_A) |
… | |
… | |
1538 | |
2038 | |
1539 | ev_feed_signal (signum); |
2039 | ev_feed_signal (signum); |
1540 | } |
2040 | } |
1541 | |
2041 | |
1542 | void noinline |
2042 | void noinline |
1543 | ev_feed_signal_event (EV_P_ int signum) |
2043 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1544 | { |
2044 | { |
1545 | WL w; |
2045 | WL w; |
1546 | |
2046 | |
1547 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2047 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
1548 | return; |
2048 | return; |
… | |
… | |
1556 | if (expect_false (signals [signum].loop != EV_A)) |
2056 | if (expect_false (signals [signum].loop != EV_A)) |
1557 | return; |
2057 | return; |
1558 | #endif |
2058 | #endif |
1559 | |
2059 | |
1560 | signals [signum].pending = 0; |
2060 | signals [signum].pending = 0; |
|
|
2061 | ECB_MEMORY_FENCE_RELEASE; |
1561 | |
2062 | |
1562 | for (w = signals [signum].head; w; w = w->next) |
2063 | for (w = signals [signum].head; w; w = w->next) |
1563 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2064 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
1564 | } |
2065 | } |
1565 | |
2066 | |
… | |
… | |
1664 | #if EV_USE_SELECT |
2165 | #if EV_USE_SELECT |
1665 | # include "ev_select.c" |
2166 | # include "ev_select.c" |
1666 | #endif |
2167 | #endif |
1667 | |
2168 | |
1668 | int ecb_cold |
2169 | int ecb_cold |
1669 | ev_version_major (void) |
2170 | ev_version_major (void) EV_THROW |
1670 | { |
2171 | { |
1671 | return EV_VERSION_MAJOR; |
2172 | return EV_VERSION_MAJOR; |
1672 | } |
2173 | } |
1673 | |
2174 | |
1674 | int ecb_cold |
2175 | int ecb_cold |
1675 | ev_version_minor (void) |
2176 | ev_version_minor (void) EV_THROW |
1676 | { |
2177 | { |
1677 | return EV_VERSION_MINOR; |
2178 | return EV_VERSION_MINOR; |
1678 | } |
2179 | } |
1679 | |
2180 | |
1680 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2181 | /* return true if we are running with elevated privileges and should ignore env variables */ |
… | |
… | |
1688 | || getgid () != getegid (); |
2189 | || getgid () != getegid (); |
1689 | #endif |
2190 | #endif |
1690 | } |
2191 | } |
1691 | |
2192 | |
1692 | unsigned int ecb_cold |
2193 | unsigned int ecb_cold |
1693 | ev_supported_backends (void) |
2194 | ev_supported_backends (void) EV_THROW |
1694 | { |
2195 | { |
1695 | unsigned int flags = 0; |
2196 | unsigned int flags = 0; |
1696 | |
2197 | |
1697 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2198 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
1698 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2199 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
1702 | |
2203 | |
1703 | return flags; |
2204 | return flags; |
1704 | } |
2205 | } |
1705 | |
2206 | |
1706 | unsigned int ecb_cold |
2207 | unsigned int ecb_cold |
1707 | ev_recommended_backends (void) |
2208 | ev_recommended_backends (void) EV_THROW |
1708 | { |
2209 | { |
1709 | unsigned int flags = ev_supported_backends (); |
2210 | unsigned int flags = ev_supported_backends (); |
1710 | |
2211 | |
1711 | #ifndef __NetBSD__ |
2212 | #ifndef __NetBSD__ |
1712 | /* kqueue is borked on everything but netbsd apparently */ |
2213 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
1724 | |
2225 | |
1725 | return flags; |
2226 | return flags; |
1726 | } |
2227 | } |
1727 | |
2228 | |
1728 | unsigned int ecb_cold |
2229 | unsigned int ecb_cold |
1729 | ev_embeddable_backends (void) |
2230 | ev_embeddable_backends (void) EV_THROW |
1730 | { |
2231 | { |
1731 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2232 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1732 | |
2233 | |
1733 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2234 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1734 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2235 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
1736 | |
2237 | |
1737 | return flags; |
2238 | return flags; |
1738 | } |
2239 | } |
1739 | |
2240 | |
1740 | unsigned int |
2241 | unsigned int |
1741 | ev_backend (EV_P) |
2242 | ev_backend (EV_P) EV_THROW |
1742 | { |
2243 | { |
1743 | return backend; |
2244 | return backend; |
1744 | } |
2245 | } |
1745 | |
2246 | |
1746 | #if EV_FEATURE_API |
2247 | #if EV_FEATURE_API |
1747 | unsigned int |
2248 | unsigned int |
1748 | ev_iteration (EV_P) |
2249 | ev_iteration (EV_P) EV_THROW |
1749 | { |
2250 | { |
1750 | return loop_count; |
2251 | return loop_count; |
1751 | } |
2252 | } |
1752 | |
2253 | |
1753 | unsigned int |
2254 | unsigned int |
1754 | ev_depth (EV_P) |
2255 | ev_depth (EV_P) EV_THROW |
1755 | { |
2256 | { |
1756 | return loop_depth; |
2257 | return loop_depth; |
1757 | } |
2258 | } |
1758 | |
2259 | |
1759 | void |
2260 | void |
1760 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
2261 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1761 | { |
2262 | { |
1762 | io_blocktime = interval; |
2263 | io_blocktime = interval; |
1763 | } |
2264 | } |
1764 | |
2265 | |
1765 | void |
2266 | void |
1766 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
2267 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
1767 | { |
2268 | { |
1768 | timeout_blocktime = interval; |
2269 | timeout_blocktime = interval; |
1769 | } |
2270 | } |
1770 | |
2271 | |
1771 | void |
2272 | void |
1772 | ev_set_userdata (EV_P_ void *data) |
2273 | ev_set_userdata (EV_P_ void *data) EV_THROW |
1773 | { |
2274 | { |
1774 | userdata = data; |
2275 | userdata = data; |
1775 | } |
2276 | } |
1776 | |
2277 | |
1777 | void * |
2278 | void * |
1778 | ev_userdata (EV_P) |
2279 | ev_userdata (EV_P) EV_THROW |
1779 | { |
2280 | { |
1780 | return userdata; |
2281 | return userdata; |
1781 | } |
2282 | } |
1782 | |
2283 | |
1783 | void |
2284 | void |
1784 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) |
2285 | ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW |
1785 | { |
2286 | { |
1786 | invoke_cb = invoke_pending_cb; |
2287 | invoke_cb = invoke_pending_cb; |
1787 | } |
2288 | } |
1788 | |
2289 | |
1789 | void |
2290 | void |
1790 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) |
2291 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
1791 | { |
2292 | { |
1792 | release_cb = release; |
2293 | release_cb = release; |
1793 | acquire_cb = acquire; |
2294 | acquire_cb = acquire; |
1794 | } |
2295 | } |
1795 | #endif |
2296 | #endif |
1796 | |
2297 | |
1797 | /* initialise a loop structure, must be zero-initialised */ |
2298 | /* initialise a loop structure, must be zero-initialised */ |
1798 | static void noinline ecb_cold |
2299 | static void noinline ecb_cold |
1799 | loop_init (EV_P_ unsigned int flags) |
2300 | loop_init (EV_P_ unsigned int flags) EV_THROW |
1800 | { |
2301 | { |
1801 | if (!backend) |
2302 | if (!backend) |
1802 | { |
2303 | { |
1803 | origflags = flags; |
2304 | origflags = flags; |
1804 | |
2305 | |
… | |
… | |
1909 | EV_INVOKE_PENDING; |
2410 | EV_INVOKE_PENDING; |
1910 | } |
2411 | } |
1911 | #endif |
2412 | #endif |
1912 | |
2413 | |
1913 | #if EV_CHILD_ENABLE |
2414 | #if EV_CHILD_ENABLE |
1914 | if (ev_is_active (&childev)) |
2415 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
1915 | { |
2416 | { |
1916 | ev_ref (EV_A); /* child watcher */ |
2417 | ev_ref (EV_A); /* child watcher */ |
1917 | ev_signal_stop (EV_A_ &childev); |
2418 | ev_signal_stop (EV_A_ &childev); |
1918 | } |
2419 | } |
1919 | #endif |
2420 | #endif |
… | |
… | |
2057 | } |
2558 | } |
2058 | |
2559 | |
2059 | #if EV_MULTIPLICITY |
2560 | #if EV_MULTIPLICITY |
2060 | |
2561 | |
2061 | struct ev_loop * ecb_cold |
2562 | struct ev_loop * ecb_cold |
2062 | ev_loop_new (unsigned int flags) |
2563 | ev_loop_new (unsigned int flags) EV_THROW |
2063 | { |
2564 | { |
2064 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2565 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2065 | |
2566 | |
2066 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2567 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2067 | loop_init (EV_A_ flags); |
2568 | loop_init (EV_A_ flags); |
… | |
… | |
2111 | } |
2612 | } |
2112 | #endif |
2613 | #endif |
2113 | |
2614 | |
2114 | #if EV_FEATURE_API |
2615 | #if EV_FEATURE_API |
2115 | void ecb_cold |
2616 | void ecb_cold |
2116 | ev_verify (EV_P) |
2617 | ev_verify (EV_P) EV_THROW |
2117 | { |
2618 | { |
2118 | #if EV_VERIFY |
2619 | #if EV_VERIFY |
2119 | int i; |
2620 | int i; |
2120 | WL w; |
2621 | WL w, w2; |
2121 | |
2622 | |
2122 | assert (activecnt >= -1); |
2623 | assert (activecnt >= -1); |
2123 | |
2624 | |
2124 | assert (fdchangemax >= fdchangecnt); |
2625 | assert (fdchangemax >= fdchangecnt); |
2125 | for (i = 0; i < fdchangecnt; ++i) |
2626 | for (i = 0; i < fdchangecnt; ++i) |
2126 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2627 | assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); |
2127 | |
2628 | |
2128 | assert (anfdmax >= 0); |
2629 | assert (anfdmax >= 0); |
2129 | for (i = 0; i < anfdmax; ++i) |
2630 | for (i = 0; i < anfdmax; ++i) |
|
|
2631 | { |
|
|
2632 | int j = 0; |
|
|
2633 | |
2130 | for (w = anfds [i].head; w; w = w->next) |
2634 | for (w = w2 = anfds [i].head; w; w = w->next) |
2131 | { |
2635 | { |
2132 | verify_watcher (EV_A_ (W)w); |
2636 | verify_watcher (EV_A_ (W)w); |
|
|
2637 | |
|
|
2638 | if (j++ & 1) |
|
|
2639 | { |
|
|
2640 | assert (("libev: io watcher list contains a loop", w != w2)); |
|
|
2641 | w2 = w2->next; |
|
|
2642 | } |
|
|
2643 | |
2133 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2644 | assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); |
2134 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2645 | assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); |
2135 | } |
2646 | } |
|
|
2647 | } |
2136 | |
2648 | |
2137 | assert (timermax >= timercnt); |
2649 | assert (timermax >= timercnt); |
2138 | verify_heap (EV_A_ timers, timercnt); |
2650 | verify_heap (EV_A_ timers, timercnt); |
2139 | |
2651 | |
2140 | #if EV_PERIODIC_ENABLE |
2652 | #if EV_PERIODIC_ENABLE |
… | |
… | |
2190 | #if EV_MULTIPLICITY |
2702 | #if EV_MULTIPLICITY |
2191 | struct ev_loop * ecb_cold |
2703 | struct ev_loop * ecb_cold |
2192 | #else |
2704 | #else |
2193 | int |
2705 | int |
2194 | #endif |
2706 | #endif |
2195 | ev_default_loop (unsigned int flags) |
2707 | ev_default_loop (unsigned int flags) EV_THROW |
2196 | { |
2708 | { |
2197 | if (!ev_default_loop_ptr) |
2709 | if (!ev_default_loop_ptr) |
2198 | { |
2710 | { |
2199 | #if EV_MULTIPLICITY |
2711 | #if EV_MULTIPLICITY |
2200 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
2712 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2219 | |
2731 | |
2220 | return ev_default_loop_ptr; |
2732 | return ev_default_loop_ptr; |
2221 | } |
2733 | } |
2222 | |
2734 | |
2223 | void |
2735 | void |
2224 | ev_loop_fork (EV_P) |
2736 | ev_loop_fork (EV_P) EV_THROW |
2225 | { |
2737 | { |
2226 | postfork = 1; /* must be in line with ev_default_fork */ |
2738 | postfork = 1; |
2227 | } |
2739 | } |
2228 | |
2740 | |
2229 | /*****************************************************************************/ |
2741 | /*****************************************************************************/ |
2230 | |
2742 | |
2231 | void |
2743 | void |
… | |
… | |
2233 | { |
2745 | { |
2234 | EV_CB_INVOKE ((W)w, revents); |
2746 | EV_CB_INVOKE ((W)w, revents); |
2235 | } |
2747 | } |
2236 | |
2748 | |
2237 | unsigned int |
2749 | unsigned int |
2238 | ev_pending_count (EV_P) |
2750 | ev_pending_count (EV_P) EV_THROW |
2239 | { |
2751 | { |
2240 | int pri; |
2752 | int pri; |
2241 | unsigned int count = 0; |
2753 | unsigned int count = 0; |
2242 | |
2754 | |
2243 | for (pri = NUMPRI; pri--; ) |
2755 | for (pri = NUMPRI; pri--; ) |
… | |
… | |
2247 | } |
2759 | } |
2248 | |
2760 | |
2249 | void noinline |
2761 | void noinline |
2250 | ev_invoke_pending (EV_P) |
2762 | ev_invoke_pending (EV_P) |
2251 | { |
2763 | { |
2252 | int pri; |
2764 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
2253 | |
|
|
2254 | for (pri = NUMPRI; pri--; ) |
|
|
2255 | while (pendingcnt [pri]) |
2765 | while (pendingcnt [pendingpri]) |
2256 | { |
2766 | { |
2257 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2767 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2258 | |
2768 | |
2259 | p->w->pending = 0; |
2769 | p->w->pending = 0; |
2260 | EV_CB_INVOKE (p->w, p->events); |
2770 | EV_CB_INVOKE (p->w, p->events); |
2261 | EV_FREQUENT_CHECK; |
2771 | EV_FREQUENT_CHECK; |
2262 | } |
2772 | } |
… | |
… | |
2357 | { |
2867 | { |
2358 | EV_FREQUENT_CHECK; |
2868 | EV_FREQUENT_CHECK; |
2359 | |
2869 | |
2360 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2870 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2361 | { |
2871 | { |
2362 | int feed_count = 0; |
|
|
2363 | |
|
|
2364 | do |
2872 | do |
2365 | { |
2873 | { |
2366 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2874 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2367 | |
2875 | |
2368 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
2876 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
2502 | |
3010 | |
2503 | mn_now = ev_rt_now; |
3011 | mn_now = ev_rt_now; |
2504 | } |
3012 | } |
2505 | } |
3013 | } |
2506 | |
3014 | |
2507 | void |
3015 | int |
2508 | ev_run (EV_P_ int flags) |
3016 | ev_run (EV_P_ int flags) |
2509 | { |
3017 | { |
2510 | #if EV_FEATURE_API |
3018 | #if EV_FEATURE_API |
2511 | ++loop_depth; |
3019 | ++loop_depth; |
2512 | #endif |
3020 | #endif |
… | |
… | |
2573 | time_update (EV_A_ 1e100); |
3081 | time_update (EV_A_ 1e100); |
2574 | |
3082 | |
2575 | /* from now on, we want a pipe-wake-up */ |
3083 | /* from now on, we want a pipe-wake-up */ |
2576 | pipe_write_wanted = 1; |
3084 | pipe_write_wanted = 1; |
2577 | |
3085 | |
|
|
3086 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
|
|
3087 | |
2578 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3088 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
2579 | { |
3089 | { |
2580 | waittime = MAX_BLOCKTIME; |
3090 | waittime = MAX_BLOCKTIME; |
2581 | |
3091 | |
2582 | if (timercnt) |
3092 | if (timercnt) |
… | |
… | |
2623 | #endif |
3133 | #endif |
2624 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
3134 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2625 | backend_poll (EV_A_ waittime); |
3135 | backend_poll (EV_A_ waittime); |
2626 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3136 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2627 | |
3137 | |
2628 | pipe_write_wanted = 0; |
3138 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
2629 | |
3139 | |
2630 | if (pipe_write_skipped) |
3140 | if (pipe_write_skipped) |
2631 | { |
3141 | { |
2632 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3142 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
2633 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3143 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
… | |
… | |
2667 | loop_done = EVBREAK_CANCEL; |
3177 | loop_done = EVBREAK_CANCEL; |
2668 | |
3178 | |
2669 | #if EV_FEATURE_API |
3179 | #if EV_FEATURE_API |
2670 | --loop_depth; |
3180 | --loop_depth; |
2671 | #endif |
3181 | #endif |
|
|
3182 | |
|
|
3183 | return activecnt; |
2672 | } |
3184 | } |
2673 | |
3185 | |
2674 | void |
3186 | void |
2675 | ev_break (EV_P_ int how) |
3187 | ev_break (EV_P_ int how) EV_THROW |
2676 | { |
3188 | { |
2677 | loop_done = how; |
3189 | loop_done = how; |
2678 | } |
3190 | } |
2679 | |
3191 | |
2680 | void |
3192 | void |
2681 | ev_ref (EV_P) |
3193 | ev_ref (EV_P) EV_THROW |
2682 | { |
3194 | { |
2683 | ++activecnt; |
3195 | ++activecnt; |
2684 | } |
3196 | } |
2685 | |
3197 | |
2686 | void |
3198 | void |
2687 | ev_unref (EV_P) |
3199 | ev_unref (EV_P) EV_THROW |
2688 | { |
3200 | { |
2689 | --activecnt; |
3201 | --activecnt; |
2690 | } |
3202 | } |
2691 | |
3203 | |
2692 | void |
3204 | void |
2693 | ev_now_update (EV_P) |
3205 | ev_now_update (EV_P) EV_THROW |
2694 | { |
3206 | { |
2695 | time_update (EV_A_ 1e100); |
3207 | time_update (EV_A_ 1e100); |
2696 | } |
3208 | } |
2697 | |
3209 | |
2698 | void |
3210 | void |
2699 | ev_suspend (EV_P) |
3211 | ev_suspend (EV_P) EV_THROW |
2700 | { |
3212 | { |
2701 | ev_now_update (EV_A); |
3213 | ev_now_update (EV_A); |
2702 | } |
3214 | } |
2703 | |
3215 | |
2704 | void |
3216 | void |
2705 | ev_resume (EV_P) |
3217 | ev_resume (EV_P) EV_THROW |
2706 | { |
3218 | { |
2707 | ev_tstamp mn_prev = mn_now; |
3219 | ev_tstamp mn_prev = mn_now; |
2708 | |
3220 | |
2709 | ev_now_update (EV_A); |
3221 | ev_now_update (EV_A); |
2710 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3222 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
2749 | w->pending = 0; |
3261 | w->pending = 0; |
2750 | } |
3262 | } |
2751 | } |
3263 | } |
2752 | |
3264 | |
2753 | int |
3265 | int |
2754 | ev_clear_pending (EV_P_ void *w) |
3266 | ev_clear_pending (EV_P_ void *w) EV_THROW |
2755 | { |
3267 | { |
2756 | W w_ = (W)w; |
3268 | W w_ = (W)w; |
2757 | int pending = w_->pending; |
3269 | int pending = w_->pending; |
2758 | |
3270 | |
2759 | if (expect_true (pending)) |
3271 | if (expect_true (pending)) |
… | |
… | |
2792 | } |
3304 | } |
2793 | |
3305 | |
2794 | /*****************************************************************************/ |
3306 | /*****************************************************************************/ |
2795 | |
3307 | |
2796 | void noinline |
3308 | void noinline |
2797 | ev_io_start (EV_P_ ev_io *w) |
3309 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
2798 | { |
3310 | { |
2799 | int fd = w->fd; |
3311 | int fd = w->fd; |
2800 | |
3312 | |
2801 | if (expect_false (ev_is_active (w))) |
3313 | if (expect_false (ev_is_active (w))) |
2802 | return; |
3314 | return; |
… | |
… | |
2808 | |
3320 | |
2809 | ev_start (EV_A_ (W)w, 1); |
3321 | ev_start (EV_A_ (W)w, 1); |
2810 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3322 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
2811 | wlist_add (&anfds[fd].head, (WL)w); |
3323 | wlist_add (&anfds[fd].head, (WL)w); |
2812 | |
3324 | |
|
|
3325 | /* common bug, apparently */ |
|
|
3326 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
|
|
3327 | |
2813 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3328 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
2814 | w->events &= ~EV__IOFDSET; |
3329 | w->events &= ~EV__IOFDSET; |
2815 | |
3330 | |
2816 | EV_FREQUENT_CHECK; |
3331 | EV_FREQUENT_CHECK; |
2817 | } |
3332 | } |
2818 | |
3333 | |
2819 | void noinline |
3334 | void noinline |
2820 | ev_io_stop (EV_P_ ev_io *w) |
3335 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
2821 | { |
3336 | { |
2822 | clear_pending (EV_A_ (W)w); |
3337 | clear_pending (EV_A_ (W)w); |
2823 | if (expect_false (!ev_is_active (w))) |
3338 | if (expect_false (!ev_is_active (w))) |
2824 | return; |
3339 | return; |
2825 | |
3340 | |
… | |
… | |
2834 | |
3349 | |
2835 | EV_FREQUENT_CHECK; |
3350 | EV_FREQUENT_CHECK; |
2836 | } |
3351 | } |
2837 | |
3352 | |
2838 | void noinline |
3353 | void noinline |
2839 | ev_timer_start (EV_P_ ev_timer *w) |
3354 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
2840 | { |
3355 | { |
2841 | if (expect_false (ev_is_active (w))) |
3356 | if (expect_false (ev_is_active (w))) |
2842 | return; |
3357 | return; |
2843 | |
3358 | |
2844 | ev_at (w) += mn_now; |
3359 | ev_at (w) += mn_now; |
… | |
… | |
2858 | |
3373 | |
2859 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3374 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
2860 | } |
3375 | } |
2861 | |
3376 | |
2862 | void noinline |
3377 | void noinline |
2863 | ev_timer_stop (EV_P_ ev_timer *w) |
3378 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
2864 | { |
3379 | { |
2865 | clear_pending (EV_A_ (W)w); |
3380 | clear_pending (EV_A_ (W)w); |
2866 | if (expect_false (!ev_is_active (w))) |
3381 | if (expect_false (!ev_is_active (w))) |
2867 | return; |
3382 | return; |
2868 | |
3383 | |
… | |
… | |
2888 | |
3403 | |
2889 | EV_FREQUENT_CHECK; |
3404 | EV_FREQUENT_CHECK; |
2890 | } |
3405 | } |
2891 | |
3406 | |
2892 | void noinline |
3407 | void noinline |
2893 | ev_timer_again (EV_P_ ev_timer *w) |
3408 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
2894 | { |
3409 | { |
2895 | EV_FREQUENT_CHECK; |
3410 | EV_FREQUENT_CHECK; |
|
|
3411 | |
|
|
3412 | clear_pending (EV_A_ (W)w); |
2896 | |
3413 | |
2897 | if (ev_is_active (w)) |
3414 | if (ev_is_active (w)) |
2898 | { |
3415 | { |
2899 | if (w->repeat) |
3416 | if (w->repeat) |
2900 | { |
3417 | { |
… | |
… | |
2913 | |
3430 | |
2914 | EV_FREQUENT_CHECK; |
3431 | EV_FREQUENT_CHECK; |
2915 | } |
3432 | } |
2916 | |
3433 | |
2917 | ev_tstamp |
3434 | ev_tstamp |
2918 | ev_timer_remaining (EV_P_ ev_timer *w) |
3435 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
2919 | { |
3436 | { |
2920 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3437 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
2921 | } |
3438 | } |
2922 | |
3439 | |
2923 | #if EV_PERIODIC_ENABLE |
3440 | #if EV_PERIODIC_ENABLE |
2924 | void noinline |
3441 | void noinline |
2925 | ev_periodic_start (EV_P_ ev_periodic *w) |
3442 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
2926 | { |
3443 | { |
2927 | if (expect_false (ev_is_active (w))) |
3444 | if (expect_false (ev_is_active (w))) |
2928 | return; |
3445 | return; |
2929 | |
3446 | |
2930 | if (w->reschedule_cb) |
3447 | if (w->reschedule_cb) |
… | |
… | |
2950 | |
3467 | |
2951 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3468 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
2952 | } |
3469 | } |
2953 | |
3470 | |
2954 | void noinline |
3471 | void noinline |
2955 | ev_periodic_stop (EV_P_ ev_periodic *w) |
3472 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
2956 | { |
3473 | { |
2957 | clear_pending (EV_A_ (W)w); |
3474 | clear_pending (EV_A_ (W)w); |
2958 | if (expect_false (!ev_is_active (w))) |
3475 | if (expect_false (!ev_is_active (w))) |
2959 | return; |
3476 | return; |
2960 | |
3477 | |
… | |
… | |
2978 | |
3495 | |
2979 | EV_FREQUENT_CHECK; |
3496 | EV_FREQUENT_CHECK; |
2980 | } |
3497 | } |
2981 | |
3498 | |
2982 | void noinline |
3499 | void noinline |
2983 | ev_periodic_again (EV_P_ ev_periodic *w) |
3500 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
2984 | { |
3501 | { |
2985 | /* TODO: use adjustheap and recalculation */ |
3502 | /* TODO: use adjustheap and recalculation */ |
2986 | ev_periodic_stop (EV_A_ w); |
3503 | ev_periodic_stop (EV_A_ w); |
2987 | ev_periodic_start (EV_A_ w); |
3504 | ev_periodic_start (EV_A_ w); |
2988 | } |
3505 | } |
… | |
… | |
2993 | #endif |
3510 | #endif |
2994 | |
3511 | |
2995 | #if EV_SIGNAL_ENABLE |
3512 | #if EV_SIGNAL_ENABLE |
2996 | |
3513 | |
2997 | void noinline |
3514 | void noinline |
2998 | ev_signal_start (EV_P_ ev_signal *w) |
3515 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
2999 | { |
3516 | { |
3000 | if (expect_false (ev_is_active (w))) |
3517 | if (expect_false (ev_is_active (w))) |
3001 | return; |
3518 | return; |
3002 | |
3519 | |
3003 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
3520 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3074 | |
3591 | |
3075 | EV_FREQUENT_CHECK; |
3592 | EV_FREQUENT_CHECK; |
3076 | } |
3593 | } |
3077 | |
3594 | |
3078 | void noinline |
3595 | void noinline |
3079 | ev_signal_stop (EV_P_ ev_signal *w) |
3596 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3080 | { |
3597 | { |
3081 | clear_pending (EV_A_ (W)w); |
3598 | clear_pending (EV_A_ (W)w); |
3082 | if (expect_false (!ev_is_active (w))) |
3599 | if (expect_false (!ev_is_active (w))) |
3083 | return; |
3600 | return; |
3084 | |
3601 | |
… | |
… | |
3115 | #endif |
3632 | #endif |
3116 | |
3633 | |
3117 | #if EV_CHILD_ENABLE |
3634 | #if EV_CHILD_ENABLE |
3118 | |
3635 | |
3119 | void |
3636 | void |
3120 | ev_child_start (EV_P_ ev_child *w) |
3637 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
3121 | { |
3638 | { |
3122 | #if EV_MULTIPLICITY |
3639 | #if EV_MULTIPLICITY |
3123 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3640 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3124 | #endif |
3641 | #endif |
3125 | if (expect_false (ev_is_active (w))) |
3642 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3132 | |
3649 | |
3133 | EV_FREQUENT_CHECK; |
3650 | EV_FREQUENT_CHECK; |
3134 | } |
3651 | } |
3135 | |
3652 | |
3136 | void |
3653 | void |
3137 | ev_child_stop (EV_P_ ev_child *w) |
3654 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
3138 | { |
3655 | { |
3139 | clear_pending (EV_A_ (W)w); |
3656 | clear_pending (EV_A_ (W)w); |
3140 | if (expect_false (!ev_is_active (w))) |
3657 | if (expect_false (!ev_is_active (w))) |
3141 | return; |
3658 | return; |
3142 | |
3659 | |
… | |
… | |
3309 | } |
3826 | } |
3310 | |
3827 | |
3311 | inline_size int |
3828 | inline_size int |
3312 | infy_newfd (void) |
3829 | infy_newfd (void) |
3313 | { |
3830 | { |
3314 | #if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) |
3831 | #if defined IN_CLOEXEC && defined IN_NONBLOCK |
3315 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3832 | int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); |
3316 | if (fd >= 0) |
3833 | if (fd >= 0) |
3317 | return fd; |
3834 | return fd; |
3318 | #endif |
3835 | #endif |
3319 | return inotify_init (); |
3836 | return inotify_init (); |
… | |
… | |
3394 | #else |
3911 | #else |
3395 | # define EV_LSTAT(p,b) lstat (p, b) |
3912 | # define EV_LSTAT(p,b) lstat (p, b) |
3396 | #endif |
3913 | #endif |
3397 | |
3914 | |
3398 | void |
3915 | void |
3399 | ev_stat_stat (EV_P_ ev_stat *w) |
3916 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
3400 | { |
3917 | { |
3401 | if (lstat (w->path, &w->attr) < 0) |
3918 | if (lstat (w->path, &w->attr) < 0) |
3402 | w->attr.st_nlink = 0; |
3919 | w->attr.st_nlink = 0; |
3403 | else if (!w->attr.st_nlink) |
3920 | else if (!w->attr.st_nlink) |
3404 | w->attr.st_nlink = 1; |
3921 | w->attr.st_nlink = 1; |
… | |
… | |
3443 | ev_feed_event (EV_A_ w, EV_STAT); |
3960 | ev_feed_event (EV_A_ w, EV_STAT); |
3444 | } |
3961 | } |
3445 | } |
3962 | } |
3446 | |
3963 | |
3447 | void |
3964 | void |
3448 | ev_stat_start (EV_P_ ev_stat *w) |
3965 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
3449 | { |
3966 | { |
3450 | if (expect_false (ev_is_active (w))) |
3967 | if (expect_false (ev_is_active (w))) |
3451 | return; |
3968 | return; |
3452 | |
3969 | |
3453 | ev_stat_stat (EV_A_ w); |
3970 | ev_stat_stat (EV_A_ w); |
… | |
… | |
3474 | |
3991 | |
3475 | EV_FREQUENT_CHECK; |
3992 | EV_FREQUENT_CHECK; |
3476 | } |
3993 | } |
3477 | |
3994 | |
3478 | void |
3995 | void |
3479 | ev_stat_stop (EV_P_ ev_stat *w) |
3996 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
3480 | { |
3997 | { |
3481 | clear_pending (EV_A_ (W)w); |
3998 | clear_pending (EV_A_ (W)w); |
3482 | if (expect_false (!ev_is_active (w))) |
3999 | if (expect_false (!ev_is_active (w))) |
3483 | return; |
4000 | return; |
3484 | |
4001 | |
… | |
… | |
3500 | } |
4017 | } |
3501 | #endif |
4018 | #endif |
3502 | |
4019 | |
3503 | #if EV_IDLE_ENABLE |
4020 | #if EV_IDLE_ENABLE |
3504 | void |
4021 | void |
3505 | ev_idle_start (EV_P_ ev_idle *w) |
4022 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
3506 | { |
4023 | { |
3507 | if (expect_false (ev_is_active (w))) |
4024 | if (expect_false (ev_is_active (w))) |
3508 | return; |
4025 | return; |
3509 | |
4026 | |
3510 | pri_adjust (EV_A_ (W)w); |
4027 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
3523 | |
4040 | |
3524 | EV_FREQUENT_CHECK; |
4041 | EV_FREQUENT_CHECK; |
3525 | } |
4042 | } |
3526 | |
4043 | |
3527 | void |
4044 | void |
3528 | ev_idle_stop (EV_P_ ev_idle *w) |
4045 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
3529 | { |
4046 | { |
3530 | clear_pending (EV_A_ (W)w); |
4047 | clear_pending (EV_A_ (W)w); |
3531 | if (expect_false (!ev_is_active (w))) |
4048 | if (expect_false (!ev_is_active (w))) |
3532 | return; |
4049 | return; |
3533 | |
4050 | |
… | |
… | |
3547 | } |
4064 | } |
3548 | #endif |
4065 | #endif |
3549 | |
4066 | |
3550 | #if EV_PREPARE_ENABLE |
4067 | #if EV_PREPARE_ENABLE |
3551 | void |
4068 | void |
3552 | ev_prepare_start (EV_P_ ev_prepare *w) |
4069 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
3553 | { |
4070 | { |
3554 | if (expect_false (ev_is_active (w))) |
4071 | if (expect_false (ev_is_active (w))) |
3555 | return; |
4072 | return; |
3556 | |
4073 | |
3557 | EV_FREQUENT_CHECK; |
4074 | EV_FREQUENT_CHECK; |
… | |
… | |
3562 | |
4079 | |
3563 | EV_FREQUENT_CHECK; |
4080 | EV_FREQUENT_CHECK; |
3564 | } |
4081 | } |
3565 | |
4082 | |
3566 | void |
4083 | void |
3567 | ev_prepare_stop (EV_P_ ev_prepare *w) |
4084 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
3568 | { |
4085 | { |
3569 | clear_pending (EV_A_ (W)w); |
4086 | clear_pending (EV_A_ (W)w); |
3570 | if (expect_false (!ev_is_active (w))) |
4087 | if (expect_false (!ev_is_active (w))) |
3571 | return; |
4088 | return; |
3572 | |
4089 | |
… | |
… | |
3585 | } |
4102 | } |
3586 | #endif |
4103 | #endif |
3587 | |
4104 | |
3588 | #if EV_CHECK_ENABLE |
4105 | #if EV_CHECK_ENABLE |
3589 | void |
4106 | void |
3590 | ev_check_start (EV_P_ ev_check *w) |
4107 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
3591 | { |
4108 | { |
3592 | if (expect_false (ev_is_active (w))) |
4109 | if (expect_false (ev_is_active (w))) |
3593 | return; |
4110 | return; |
3594 | |
4111 | |
3595 | EV_FREQUENT_CHECK; |
4112 | EV_FREQUENT_CHECK; |
… | |
… | |
3600 | |
4117 | |
3601 | EV_FREQUENT_CHECK; |
4118 | EV_FREQUENT_CHECK; |
3602 | } |
4119 | } |
3603 | |
4120 | |
3604 | void |
4121 | void |
3605 | ev_check_stop (EV_P_ ev_check *w) |
4122 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
3606 | { |
4123 | { |
3607 | clear_pending (EV_A_ (W)w); |
4124 | clear_pending (EV_A_ (W)w); |
3608 | if (expect_false (!ev_is_active (w))) |
4125 | if (expect_false (!ev_is_active (w))) |
3609 | return; |
4126 | return; |
3610 | |
4127 | |
… | |
… | |
3623 | } |
4140 | } |
3624 | #endif |
4141 | #endif |
3625 | |
4142 | |
3626 | #if EV_EMBED_ENABLE |
4143 | #if EV_EMBED_ENABLE |
3627 | void noinline |
4144 | void noinline |
3628 | ev_embed_sweep (EV_P_ ev_embed *w) |
4145 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
3629 | { |
4146 | { |
3630 | ev_run (w->other, EVRUN_NOWAIT); |
4147 | ev_run (w->other, EVRUN_NOWAIT); |
3631 | } |
4148 | } |
3632 | |
4149 | |
3633 | static void |
4150 | static void |
… | |
… | |
3681 | ev_idle_stop (EV_A_ idle); |
4198 | ev_idle_stop (EV_A_ idle); |
3682 | } |
4199 | } |
3683 | #endif |
4200 | #endif |
3684 | |
4201 | |
3685 | void |
4202 | void |
3686 | ev_embed_start (EV_P_ ev_embed *w) |
4203 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
3687 | { |
4204 | { |
3688 | if (expect_false (ev_is_active (w))) |
4205 | if (expect_false (ev_is_active (w))) |
3689 | return; |
4206 | return; |
3690 | |
4207 | |
3691 | { |
4208 | { |
… | |
… | |
3712 | |
4229 | |
3713 | EV_FREQUENT_CHECK; |
4230 | EV_FREQUENT_CHECK; |
3714 | } |
4231 | } |
3715 | |
4232 | |
3716 | void |
4233 | void |
3717 | ev_embed_stop (EV_P_ ev_embed *w) |
4234 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
3718 | { |
4235 | { |
3719 | clear_pending (EV_A_ (W)w); |
4236 | clear_pending (EV_A_ (W)w); |
3720 | if (expect_false (!ev_is_active (w))) |
4237 | if (expect_false (!ev_is_active (w))) |
3721 | return; |
4238 | return; |
3722 | |
4239 | |
… | |
… | |
3732 | } |
4249 | } |
3733 | #endif |
4250 | #endif |
3734 | |
4251 | |
3735 | #if EV_FORK_ENABLE |
4252 | #if EV_FORK_ENABLE |
3736 | void |
4253 | void |
3737 | ev_fork_start (EV_P_ ev_fork *w) |
4254 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
3738 | { |
4255 | { |
3739 | if (expect_false (ev_is_active (w))) |
4256 | if (expect_false (ev_is_active (w))) |
3740 | return; |
4257 | return; |
3741 | |
4258 | |
3742 | EV_FREQUENT_CHECK; |
4259 | EV_FREQUENT_CHECK; |
… | |
… | |
3747 | |
4264 | |
3748 | EV_FREQUENT_CHECK; |
4265 | EV_FREQUENT_CHECK; |
3749 | } |
4266 | } |
3750 | |
4267 | |
3751 | void |
4268 | void |
3752 | ev_fork_stop (EV_P_ ev_fork *w) |
4269 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
3753 | { |
4270 | { |
3754 | clear_pending (EV_A_ (W)w); |
4271 | clear_pending (EV_A_ (W)w); |
3755 | if (expect_false (!ev_is_active (w))) |
4272 | if (expect_false (!ev_is_active (w))) |
3756 | return; |
4273 | return; |
3757 | |
4274 | |
… | |
… | |
3770 | } |
4287 | } |
3771 | #endif |
4288 | #endif |
3772 | |
4289 | |
3773 | #if EV_CLEANUP_ENABLE |
4290 | #if EV_CLEANUP_ENABLE |
3774 | void |
4291 | void |
3775 | ev_cleanup_start (EV_P_ ev_cleanup *w) |
4292 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
3776 | { |
4293 | { |
3777 | if (expect_false (ev_is_active (w))) |
4294 | if (expect_false (ev_is_active (w))) |
3778 | return; |
4295 | return; |
3779 | |
4296 | |
3780 | EV_FREQUENT_CHECK; |
4297 | EV_FREQUENT_CHECK; |
… | |
… | |
3787 | ev_unref (EV_A); |
4304 | ev_unref (EV_A); |
3788 | EV_FREQUENT_CHECK; |
4305 | EV_FREQUENT_CHECK; |
3789 | } |
4306 | } |
3790 | |
4307 | |
3791 | void |
4308 | void |
3792 | ev_cleanup_stop (EV_P_ ev_cleanup *w) |
4309 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
3793 | { |
4310 | { |
3794 | clear_pending (EV_A_ (W)w); |
4311 | clear_pending (EV_A_ (W)w); |
3795 | if (expect_false (!ev_is_active (w))) |
4312 | if (expect_false (!ev_is_active (w))) |
3796 | return; |
4313 | return; |
3797 | |
4314 | |
… | |
… | |
3811 | } |
4328 | } |
3812 | #endif |
4329 | #endif |
3813 | |
4330 | |
3814 | #if EV_ASYNC_ENABLE |
4331 | #if EV_ASYNC_ENABLE |
3815 | void |
4332 | void |
3816 | ev_async_start (EV_P_ ev_async *w) |
4333 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
3817 | { |
4334 | { |
3818 | if (expect_false (ev_is_active (w))) |
4335 | if (expect_false (ev_is_active (w))) |
3819 | return; |
4336 | return; |
3820 | |
4337 | |
3821 | w->sent = 0; |
4338 | w->sent = 0; |
… | |
… | |
3830 | |
4347 | |
3831 | EV_FREQUENT_CHECK; |
4348 | EV_FREQUENT_CHECK; |
3832 | } |
4349 | } |
3833 | |
4350 | |
3834 | void |
4351 | void |
3835 | ev_async_stop (EV_P_ ev_async *w) |
4352 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
3836 | { |
4353 | { |
3837 | clear_pending (EV_A_ (W)w); |
4354 | clear_pending (EV_A_ (W)w); |
3838 | if (expect_false (!ev_is_active (w))) |
4355 | if (expect_false (!ev_is_active (w))) |
3839 | return; |
4356 | return; |
3840 | |
4357 | |
… | |
… | |
3851 | |
4368 | |
3852 | EV_FREQUENT_CHECK; |
4369 | EV_FREQUENT_CHECK; |
3853 | } |
4370 | } |
3854 | |
4371 | |
3855 | void |
4372 | void |
3856 | ev_async_send (EV_P_ ev_async *w) |
4373 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
3857 | { |
4374 | { |
3858 | w->sent = 1; |
4375 | w->sent = 1; |
3859 | evpipe_write (EV_A_ &async_pending); |
4376 | evpipe_write (EV_A_ &async_pending); |
3860 | } |
4377 | } |
3861 | #endif |
4378 | #endif |
… | |
… | |
3898 | |
4415 | |
3899 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4416 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
3900 | } |
4417 | } |
3901 | |
4418 | |
3902 | void |
4419 | void |
3903 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
4420 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
3904 | { |
4421 | { |
3905 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4422 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3906 | |
4423 | |
3907 | if (expect_false (!once)) |
4424 | if (expect_false (!once)) |
3908 | { |
4425 | { |
… | |
… | |
3930 | |
4447 | |
3931 | /*****************************************************************************/ |
4448 | /*****************************************************************************/ |
3932 | |
4449 | |
3933 | #if EV_WALK_ENABLE |
4450 | #if EV_WALK_ENABLE |
3934 | void ecb_cold |
4451 | void ecb_cold |
3935 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) |
4452 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
3936 | { |
4453 | { |
3937 | int i, j; |
4454 | int i, j; |
3938 | ev_watcher_list *wl, *wn; |
4455 | ev_watcher_list *wl, *wn; |
3939 | |
4456 | |
3940 | if (types & (EV_IO | EV_EMBED)) |
4457 | if (types & (EV_IO | EV_EMBED)) |
… | |
… | |
3983 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
4500 | cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); |
3984 | #endif |
4501 | #endif |
3985 | |
4502 | |
3986 | #if EV_IDLE_ENABLE |
4503 | #if EV_IDLE_ENABLE |
3987 | if (types & EV_IDLE) |
4504 | if (types & EV_IDLE) |
3988 | for (j = NUMPRI; i--; ) |
4505 | for (j = NUMPRI; j--; ) |
3989 | for (i = idlecnt [j]; i--; ) |
4506 | for (i = idlecnt [j]; i--; ) |
3990 | cb (EV_A_ EV_IDLE, idles [j][i]); |
4507 | cb (EV_A_ EV_IDLE, idles [j][i]); |
3991 | #endif |
4508 | #endif |
3992 | |
4509 | |
3993 | #if EV_FORK_ENABLE |
4510 | #if EV_FORK_ENABLE |
… | |
… | |
4046 | |
4563 | |
4047 | #if EV_MULTIPLICITY |
4564 | #if EV_MULTIPLICITY |
4048 | #include "ev_wrap.h" |
4565 | #include "ev_wrap.h" |
4049 | #endif |
4566 | #endif |
4050 | |
4567 | |
4051 | EV_CPP(}) |
|
|
4052 | |
|
|