ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.408 by root, Fri Jan 27 22:28:49 2012 UTC vs.
Revision 1.427 by root, Sun May 6 19:29:59 2012 UTC

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#if EV_NO_THREADS
189# undef EV_NO_SMP
190# define EV_NO_SMP 1
191# undef ECB_NO_THREADS
192# define ECB_NO_THREADS 1
193#endif
194#if EV_NO_SMP
195# undef EV_NO_SMP
196# define ECB_NO_SMP 1
197#endif
198
188#ifndef _WIN32 199#ifndef _WIN32
189# include <sys/time.h> 200# include <sys/time.h>
190# include <sys/wait.h> 201# include <sys/wait.h>
191# include <unistd.h> 202# include <unistd.h>
192#else 203#else
… …
208#define _DARWIN_UNLIMITED_SELECT 1 219#define _DARWIN_UNLIMITED_SELECT 1
209 220
210/* this block tries to deduce configuration from header-defined symbols and defaults */ 221/* this block tries to deduce configuration from header-defined symbols and defaults */
211 222
212/* try to deduce the maximum number of signals on this platform */ 223/* try to deduce the maximum number of signals on this platform */
213#if defined (EV_NSIG) 224#if defined EV_NSIG
214/* use what's provided */ 225/* use what's provided */
215#elif defined (NSIG) 226#elif defined NSIG
216# define EV_NSIG (NSIG) 227# define EV_NSIG (NSIG)
217#elif defined(_NSIG) 228#elif defined _NSIG
218# define EV_NSIG (_NSIG) 229# define EV_NSIG (_NSIG)
219#elif defined (SIGMAX) 230#elif defined SIGMAX
220# define EV_NSIG (SIGMAX+1) 231# define EV_NSIG (SIGMAX+1)
221#elif defined (SIG_MAX) 232#elif defined SIG_MAX
222# define EV_NSIG (SIG_MAX+1) 233# define EV_NSIG (SIG_MAX+1)
223#elif defined (_SIG_MAX) 234#elif defined _SIG_MAX
224# define EV_NSIG (_SIG_MAX+1) 235# define EV_NSIG (_SIG_MAX+1)
225#elif defined (MAXSIG) 236#elif defined MAXSIG
226# define EV_NSIG (MAXSIG+1) 237# define EV_NSIG (MAXSIG+1)
227#elif defined (MAX_SIG) 238#elif defined MAX_SIG
228# define EV_NSIG (MAX_SIG+1) 239# define EV_NSIG (MAX_SIG+1)
229#elif defined (SIGARRAYSIZE) 240#elif defined SIGARRAYSIZE
230# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 241# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
231#elif defined (_sys_nsig) 242#elif defined _sys_nsig
232# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 243# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
233#else 244#else
234# error "unable to find value for NSIG, please report" 245# error "unable to find value for NSIG, please report"
235/* to make it compile regardless, just remove the above line, */ 246/* to make it compile regardless, just remove the above line, */
236/* but consider reporting it, too! :) */ 247/* but consider reporting it, too! :) */
… …
248# define EV_USE_CLOCK_SYSCALL 0 259# define EV_USE_CLOCK_SYSCALL 0
249# endif 260# endif
250#endif 261#endif
251 262
252#ifndef EV_USE_MONOTONIC 263#ifndef EV_USE_MONOTONIC
253# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 264# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
254# define EV_USE_MONOTONIC EV_FEATURE_OS 265# define EV_USE_MONOTONIC EV_FEATURE_OS
255# else 266# else
256# define EV_USE_MONOTONIC 0 267# define EV_USE_MONOTONIC 0
257# endif 268# endif
258#endif 269#endif
… …
348#endif 359#endif
349 360
350/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 361/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
351/* which makes programs even slower. might work on other unices, too. */ 362/* which makes programs even slower. might work on other unices, too. */
352#if EV_USE_CLOCK_SYSCALL 363#if EV_USE_CLOCK_SYSCALL
353# include <syscall.h> 364# include <sys/syscall.h>
354# ifdef SYS_clock_gettime 365# ifdef SYS_clock_gettime
355# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 366# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356# undef EV_USE_MONOTONIC 367# undef EV_USE_MONOTONIC
357# define EV_USE_MONOTONIC 1 368# define EV_USE_MONOTONIC 1
358# else 369# else
… …
384# define EV_USE_INOTIFY 0 395# define EV_USE_INOTIFY 0
385#endif 396#endif
386 397
387#if !EV_USE_NANOSLEEP 398#if !EV_USE_NANOSLEEP
388/* hp-ux has it in sys/time.h, which we unconditionally include above */ 399/* hp-ux has it in sys/time.h, which we unconditionally include above */
389# if !defined(_WIN32) && !defined(__hpux) 400# if !defined _WIN32 && !defined __hpux
390# include <sys/select.h> 401# include <sys/select.h>
391# endif 402# endif
392#endif 403#endif
393 404
394#if EV_USE_INOTIFY 405#if EV_USE_INOTIFY
… …
522 * or so. 533 * or so.
523 * we try to detect these and simply assume they are not gcc - if they have 534 * we try to detect these and simply assume they are not gcc - if they have
524 * an issue with that they should have done it right in the first place. 535 * an issue with that they should have done it right in the first place.
525 */ 536 */
526#ifndef ECB_GCC_VERSION 537#ifndef ECB_GCC_VERSION
527 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 538 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
528 #define ECB_GCC_VERSION(major,minor) 0 539 #define ECB_GCC_VERSION(major,minor) 0
529 #else 540 #else
530 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 541 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
531 #endif 542 #endif
532#endif 543#endif
… …
534/*****************************************************************************/ 545/*****************************************************************************/
535 546
536/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ 547/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
537/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ 548/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538 549
550#if ECB_NO_THREADS
551# define ECB_NO_SMP 1
552#endif
553
539#if ECB_NO_THREADS || ECB_NO_SMP 554#if ECB_NO_THREADS || ECB_NO_SMP
540 #define ECB_MEMORY_FENCE do { } while (0) 555 #define ECB_MEMORY_FENCE do { } while (0)
541#endif 556#endif
542 557
543#ifndef ECB_MEMORY_FENCE 558#ifndef ECB_MEMORY_FENCE
544 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 559 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545 #if __i386 || __i386__ 560 #if __i386 || __i386__
546 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 561 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
547 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ 562 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
548 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ 563 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
549 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
550 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
552 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ 567 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
553 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 570 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 571 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
557 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 572 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
558 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ 573 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 574 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 575 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
561 #elif __sparc || __sparc__ 576 #elif __sparc || __sparc__
562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") 577 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
563 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 578 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
564 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 579 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
565 #elif defined(__s390__) || defined(__s390x__) 580 #elif defined __s390__ || defined __s390x__
566 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") 581 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582 #elif defined __mips__
583 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
584 #elif defined __alpha__
585 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
567 #endif 586 #endif
568 #endif 587 #endif
569#endif 588#endif
570 589
571#ifndef ECB_MEMORY_FENCE 590#ifndef ECB_MEMORY_FENCE
572 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 591 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
573 #define ECB_MEMORY_FENCE __sync_synchronize () 592 #define ECB_MEMORY_FENCE __sync_synchronize ()
574 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ 593 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
575 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ 594 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
576 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 595 #elif _MSC_VER >= 1400 /* VC++ 2005 */
577 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 596 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
578 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 597 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
579 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 598 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
580 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 599 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
581 #elif defined(_WIN32) 600 #elif defined _WIN32
582 #include <WinNT.h> 601 #include <WinNT.h>
583 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 602 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
584 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 603 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
585 #include <mbarrier.h> 604 #include <mbarrier.h>
586 #define ECB_MEMORY_FENCE __machine_rw_barrier () 605 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
587 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 606 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
588 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 607 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
608 #elif __xlC__
609 #define ECB_MEMORY_FENCE __sync ()
589 #endif 610 #endif
590#endif 611#endif
591 612
592#ifndef ECB_MEMORY_FENCE 613#ifndef ECB_MEMORY_FENCE
593 #if !ECB_AVOID_PTHREADS 614 #if !ECB_AVOID_PTHREADS
… …
605 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 626 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
606 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 627 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
607 #endif 628 #endif
608#endif 629#endif
609 630
610#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 631#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
611 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 632 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
612#endif 633#endif
613 634
614#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 635#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
615 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 636 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
616#endif 637#endif
617 638
618/*****************************************************************************/ 639/*****************************************************************************/
619 640
… …
1084{ 1105{
1085 write (STDERR_FILENO, msg, strlen (msg)); 1106 write (STDERR_FILENO, msg, strlen (msg));
1086} 1107}
1087#endif 1108#endif
1088 1109
1089static void (*syserr_cb)(const char *msg); 1110static void (*syserr_cb)(const char *msg) EV_THROW;
1090 1111
1091void ecb_cold 1112void ecb_cold
1092ev_set_syserr_cb (void (*cb)(const char *msg)) 1113ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1093{ 1114{
1094 syserr_cb = cb; 1115 syserr_cb = cb;
1095} 1116}
1096 1117
1097static void noinline ecb_cold 1118static void noinline ecb_cold
… …
1133 free (ptr); 1154 free (ptr);
1134 return 0; 1155 return 0;
1135#endif 1156#endif
1136} 1157}
1137 1158
1138static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1159static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1139 1160
1140void ecb_cold 1161void ecb_cold
1141ev_set_allocator (void *(*cb)(void *ptr, long size)) 1162ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1142{ 1163{
1143 alloc = cb; 1164 alloc = cb;
1144} 1165}
1145 1166
1146inline_speed void * 1167inline_speed void *
… …
1263 1284
1264/*****************************************************************************/ 1285/*****************************************************************************/
1265 1286
1266#ifndef EV_HAVE_EV_TIME 1287#ifndef EV_HAVE_EV_TIME
1267ev_tstamp 1288ev_tstamp
1268ev_time (void) 1289ev_time (void) EV_THROW
1269{ 1290{
1270#if EV_USE_REALTIME 1291#if EV_USE_REALTIME
1271 if (expect_true (have_realtime)) 1292 if (expect_true (have_realtime))
1272 { 1293 {
1273 struct timespec ts; 1294 struct timespec ts;
… …
1297 return ev_time (); 1318 return ev_time ();
1298} 1319}
1299 1320
1300#if EV_MULTIPLICITY 1321#if EV_MULTIPLICITY
1301ev_tstamp 1322ev_tstamp
1302ev_now (EV_P) 1323ev_now (EV_P) EV_THROW
1303{ 1324{
1304 return ev_rt_now; 1325 return ev_rt_now;
1305} 1326}
1306#endif 1327#endif
1307 1328
1308void 1329void
1309ev_sleep (ev_tstamp delay) 1330ev_sleep (ev_tstamp delay) EV_THROW
1310{ 1331{
1311 if (delay > 0.) 1332 if (delay > 0.)
1312 { 1333 {
1313#if EV_USE_NANOSLEEP 1334#if EV_USE_NANOSLEEP
1314 struct timespec ts; 1335 struct timespec ts;
1315 1336
1316 EV_TS_SET (ts, delay); 1337 EV_TS_SET (ts, delay);
1317 nanosleep (&ts, 0); 1338 nanosleep (&ts, 0);
1318#elif defined(_WIN32) 1339#elif defined _WIN32
1319 Sleep ((unsigned long)(delay * 1e3)); 1340 Sleep ((unsigned long)(delay * 1e3));
1320#else 1341#else
1321 struct timeval tv; 1342 struct timeval tv;
1322 1343
1323 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1344 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
1395pendingcb (EV_P_ ev_prepare *w, int revents) 1416pendingcb (EV_P_ ev_prepare *w, int revents)
1396{ 1417{
1397} 1418}
1398 1419
1399void noinline 1420void noinline
1400ev_feed_event (EV_P_ void *w, int revents) 1421ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1401{ 1422{
1402 W w_ = (W)w; 1423 W w_ = (W)w;
1403 int pri = ABSPRI (w_); 1424 int pri = ABSPRI (w_);
1404 1425
1405 if (expect_false (w_->pending)) 1426 if (expect_false (w_->pending))
… …
1409 w_->pending = ++pendingcnt [pri]; 1430 w_->pending = ++pendingcnt [pri];
1410 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1431 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1411 pendings [pri][w_->pending - 1].w = w_; 1432 pendings [pri][w_->pending - 1].w = w_;
1412 pendings [pri][w_->pending - 1].events = revents; 1433 pendings [pri][w_->pending - 1].events = revents;
1413 } 1434 }
1435
1436 pendingpri = NUMPRI - 1;
1414} 1437}
1415 1438
1416inline_speed void 1439inline_speed void
1417feed_reverse (EV_P_ W w) 1440feed_reverse (EV_P_ W w)
1418{ 1441{
… …
1464 if (expect_true (!anfd->reify)) 1487 if (expect_true (!anfd->reify))
1465 fd_event_nocheck (EV_A_ fd, revents); 1488 fd_event_nocheck (EV_A_ fd, revents);
1466} 1489}
1467 1490
1468void 1491void
1469ev_feed_fd_event (EV_P_ int fd, int revents) 1492ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1470{ 1493{
1471 if (fd >= 0 && fd < anfdmax) 1494 if (fd >= 0 && fd < anfdmax)
1472 fd_event_nocheck (EV_A_ fd, revents); 1495 fd_event_nocheck (EV_A_ fd, revents);
1473} 1496}
1474 1497
… …
1823} 1846}
1824 1847
1825inline_speed void 1848inline_speed void
1826evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1849evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1827{ 1850{
1851 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1852
1828 if (expect_true (*flag)) 1853 if (expect_true (*flag))
1829 return; 1854 return;
1830 1855
1831 *flag = 1; 1856 *flag = 1;
1832 1857
… …
1851 write (evfd, &counter, sizeof (uint64_t)); 1876 write (evfd, &counter, sizeof (uint64_t));
1852 } 1877 }
1853 else 1878 else
1854#endif 1879#endif
1855 { 1880 {
1856 /* win32 people keep sending patches that change this write() to send() */ 1881#ifdef _WIN32
1857 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1882 WSABUF buf;
1858 /* so when you think this write should be a send instead, please find out */ 1883 DWORD sent;
1859 /* where your send() is from - it's definitely not the microsoft send, and */ 1884 buf.buf = &buf;
1860 /* tell me. thank you. */ 1885 buf.len = 1;
1886 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1887#else
1861 write (evpipe [1], &(evpipe [1]), 1); 1888 write (evpipe [1], &(evpipe [1]), 1);
1889#endif
1862 } 1890 }
1863 1891
1864 errno = old_errno; 1892 errno = old_errno;
1865 } 1893 }
1866} 1894}
… …
1881 read (evfd, &counter, sizeof (uint64_t)); 1909 read (evfd, &counter, sizeof (uint64_t));
1882 } 1910 }
1883 else 1911 else
1884#endif 1912#endif
1885 { 1913 {
1886 char dummy; 1914 char dummy[4];
1887 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1915#ifdef _WIN32
1916 WSABUF buf;
1917 DWORD recvd;
1918 buf.buf = dummy;
1919 buf.len = sizeof (dummy);
1920 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0);
1921#else
1888 read (evpipe [0], &dummy, 1); 1922 read (evpipe [0], &dummy, sizeof (dummy));
1923#endif
1889 } 1924 }
1890 } 1925 }
1891 1926
1892 pipe_write_skipped = 0; 1927 pipe_write_skipped = 0;
1928
1929 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1893 1930
1894#if EV_SIGNAL_ENABLE 1931#if EV_SIGNAL_ENABLE
1895 if (sig_pending) 1932 if (sig_pending)
1896 { 1933 {
1897 sig_pending = 0; 1934 sig_pending = 0;
1935
1936 ECB_MEMORY_FENCE_RELEASE;
1898 1937
1899 for (i = EV_NSIG - 1; i--; ) 1938 for (i = EV_NSIG - 1; i--; )
1900 if (expect_false (signals [i].pending)) 1939 if (expect_false (signals [i].pending))
1901 ev_feed_signal_event (EV_A_ i + 1); 1940 ev_feed_signal_event (EV_A_ i + 1);
1902 } 1941 }
… …
1904 1943
1905#if EV_ASYNC_ENABLE 1944#if EV_ASYNC_ENABLE
1906 if (async_pending) 1945 if (async_pending)
1907 { 1946 {
1908 async_pending = 0; 1947 async_pending = 0;
1948
1949 ECB_MEMORY_FENCE_RELEASE;
1909 1950
1910 for (i = asynccnt; i--; ) 1951 for (i = asynccnt; i--; )
1911 if (asyncs [i]->sent) 1952 if (asyncs [i]->sent)
1912 { 1953 {
1913 asyncs [i]->sent = 0; 1954 asyncs [i]->sent = 0;
… …
1918} 1959}
1919 1960
1920/*****************************************************************************/ 1961/*****************************************************************************/
1921 1962
1922void 1963void
1923ev_feed_signal (int signum) 1964ev_feed_signal (int signum) EV_THROW
1924{ 1965{
1925#if EV_MULTIPLICITY 1966#if EV_MULTIPLICITY
1926 EV_P = signals [signum - 1].loop; 1967 EV_P = signals [signum - 1].loop;
1927 1968
1928 if (!EV_A) 1969 if (!EV_A)
… …
1945 1986
1946 ev_feed_signal (signum); 1987 ev_feed_signal (signum);
1947} 1988}
1948 1989
1949void noinline 1990void noinline
1950ev_feed_signal_event (EV_P_ int signum) 1991ev_feed_signal_event (EV_P_ int signum) EV_THROW
1951{ 1992{
1952 WL w; 1993 WL w;
1953 1994
1954 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1995 if (expect_false (signum <= 0 || signum > EV_NSIG))
1955 return; 1996 return;
… …
2071#if EV_USE_SELECT 2112#if EV_USE_SELECT
2072# include "ev_select.c" 2113# include "ev_select.c"
2073#endif 2114#endif
2074 2115
2075int ecb_cold 2116int ecb_cold
2076ev_version_major (void) 2117ev_version_major (void) EV_THROW
2077{ 2118{
2078 return EV_VERSION_MAJOR; 2119 return EV_VERSION_MAJOR;
2079} 2120}
2080 2121
2081int ecb_cold 2122int ecb_cold
2082ev_version_minor (void) 2123ev_version_minor (void) EV_THROW
2083{ 2124{
2084 return EV_VERSION_MINOR; 2125 return EV_VERSION_MINOR;
2085} 2126}
2086 2127
2087/* return true if we are running with elevated privileges and should ignore env variables */ 2128/* return true if we are running with elevated privileges and should ignore env variables */
… …
2095 || getgid () != getegid (); 2136 || getgid () != getegid ();
2096#endif 2137#endif
2097} 2138}
2098 2139
2099unsigned int ecb_cold 2140unsigned int ecb_cold
2100ev_supported_backends (void) 2141ev_supported_backends (void) EV_THROW
2101{ 2142{
2102 unsigned int flags = 0; 2143 unsigned int flags = 0;
2103 2144
2104 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2145 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2105 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2146 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2109 2150
2110 return flags; 2151 return flags;
2111} 2152}
2112 2153
2113unsigned int ecb_cold 2154unsigned int ecb_cold
2114ev_recommended_backends (void) 2155ev_recommended_backends (void) EV_THROW
2115{ 2156{
2116 unsigned int flags = ev_supported_backends (); 2157 unsigned int flags = ev_supported_backends ();
2117 2158
2118#ifndef __NetBSD__ 2159#ifndef __NetBSD__
2119 /* kqueue is borked on everything but netbsd apparently */ 2160 /* kqueue is borked on everything but netbsd apparently */
… …
2131 2172
2132 return flags; 2173 return flags;
2133} 2174}
2134 2175
2135unsigned int ecb_cold 2176unsigned int ecb_cold
2136ev_embeddable_backends (void) 2177ev_embeddable_backends (void) EV_THROW
2137{ 2178{
2138 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2179 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2139 2180
2140 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2181 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2141 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2182 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2143 2184
2144 return flags; 2185 return flags;
2145} 2186}
2146 2187
2147unsigned int 2188unsigned int
2148ev_backend (EV_P) 2189ev_backend (EV_P) EV_THROW
2149{ 2190{
2150 return backend; 2191 return backend;
2151} 2192}
2152 2193
2153#if EV_FEATURE_API 2194#if EV_FEATURE_API
2154unsigned int 2195unsigned int
2155ev_iteration (EV_P) 2196ev_iteration (EV_P) EV_THROW
2156{ 2197{
2157 return loop_count; 2198 return loop_count;
2158} 2199}
2159 2200
2160unsigned int 2201unsigned int
2161ev_depth (EV_P) 2202ev_depth (EV_P) EV_THROW
2162{ 2203{
2163 return loop_depth; 2204 return loop_depth;
2164} 2205}
2165 2206
2166void 2207void
2167ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2208ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2168{ 2209{
2169 io_blocktime = interval; 2210 io_blocktime = interval;
2170} 2211}
2171 2212
2172void 2213void
2173ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2214ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2174{ 2215{
2175 timeout_blocktime = interval; 2216 timeout_blocktime = interval;
2176} 2217}
2177 2218
2178void 2219void
2179ev_set_userdata (EV_P_ void *data) 2220ev_set_userdata (EV_P_ void *data) EV_THROW
2180{ 2221{
2181 userdata = data; 2222 userdata = data;
2182} 2223}
2183 2224
2184void * 2225void *
2185ev_userdata (EV_P) 2226ev_userdata (EV_P) EV_THROW
2186{ 2227{
2187 return userdata; 2228 return userdata;
2188} 2229}
2189 2230
2190void 2231void
2191ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2232ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2192{ 2233{
2193 invoke_cb = invoke_pending_cb; 2234 invoke_cb = invoke_pending_cb;
2194} 2235}
2195 2236
2196void 2237void
2197ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2238ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2198{ 2239{
2199 release_cb = release; 2240 release_cb = release;
2200 acquire_cb = acquire; 2241 acquire_cb = acquire;
2201} 2242}
2202#endif 2243#endif
2203 2244
2204/* initialise a loop structure, must be zero-initialised */ 2245/* initialise a loop structure, must be zero-initialised */
2205static void noinline ecb_cold 2246static void noinline ecb_cold
2206loop_init (EV_P_ unsigned int flags) 2247loop_init (EV_P_ unsigned int flags) EV_THROW
2207{ 2248{
2208 if (!backend) 2249 if (!backend)
2209 { 2250 {
2210 origflags = flags; 2251 origflags = flags;
2211 2252
… …
2464} 2505}
2465 2506
2466#if EV_MULTIPLICITY 2507#if EV_MULTIPLICITY
2467 2508
2468struct ev_loop * ecb_cold 2509struct ev_loop * ecb_cold
2469ev_loop_new (unsigned int flags) 2510ev_loop_new (unsigned int flags) EV_THROW
2470{ 2511{
2471 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2512 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2472 2513
2473 memset (EV_A, 0, sizeof (struct ev_loop)); 2514 memset (EV_A, 0, sizeof (struct ev_loop));
2474 loop_init (EV_A_ flags); 2515 loop_init (EV_A_ flags);
… …
2518} 2559}
2519#endif 2560#endif
2520 2561
2521#if EV_FEATURE_API 2562#if EV_FEATURE_API
2522void ecb_cold 2563void ecb_cold
2523ev_verify (EV_P) 2564ev_verify (EV_P) EV_THROW
2524{ 2565{
2525#if EV_VERIFY 2566#if EV_VERIFY
2526 int i; 2567 int i, j;
2527 WL w; 2568 WL w, w2;
2528 2569
2529 assert (activecnt >= -1); 2570 assert (activecnt >= -1);
2530 2571
2531 assert (fdchangemax >= fdchangecnt); 2572 assert (fdchangemax >= fdchangecnt);
2532 for (i = 0; i < fdchangecnt; ++i) 2573 for (i = 0; i < fdchangecnt; ++i)
2533 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2574 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2534 2575
2535 assert (anfdmax >= 0); 2576 assert (anfdmax >= 0);
2536 for (i = 0; i < anfdmax; ++i) 2577 for (i = j = 0; i < anfdmax; ++i)
2537 for (w = anfds [i].head; w; w = w->next) 2578 for (w = w2 = anfds [i].head; w; w = w->next)
2538 { 2579 {
2539 verify_watcher (EV_A_ (W)w); 2580 verify_watcher (EV_A_ (W)w);
2581
2582 if (++j & 1)
2583 w2 = w2->next;
2584
2585 assert (("libev: io watcher list contains a loop", w != w2));
2540 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2586 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2541 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2587 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2542 } 2588 }
2543 2589
2544 assert (timermax >= timercnt); 2590 assert (timermax >= timercnt);
… …
2597#if EV_MULTIPLICITY 2643#if EV_MULTIPLICITY
2598struct ev_loop * ecb_cold 2644struct ev_loop * ecb_cold
2599#else 2645#else
2600int 2646int
2601#endif 2647#endif
2602ev_default_loop (unsigned int flags) 2648ev_default_loop (unsigned int flags) EV_THROW
2603{ 2649{
2604 if (!ev_default_loop_ptr) 2650 if (!ev_default_loop_ptr)
2605 { 2651 {
2606#if EV_MULTIPLICITY 2652#if EV_MULTIPLICITY
2607 EV_P = ev_default_loop_ptr = &default_loop_struct; 2653 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2626 2672
2627 return ev_default_loop_ptr; 2673 return ev_default_loop_ptr;
2628} 2674}
2629 2675
2630void 2676void
2631ev_loop_fork (EV_P) 2677ev_loop_fork (EV_P) EV_THROW
2632{ 2678{
2633 postfork = 1; /* must be in line with ev_default_fork */ 2679 postfork = 1; /* must be in line with ev_default_fork */
2634} 2680}
2635 2681
2636/*****************************************************************************/ 2682/*****************************************************************************/
… …
2640{ 2686{
2641 EV_CB_INVOKE ((W)w, revents); 2687 EV_CB_INVOKE ((W)w, revents);
2642} 2688}
2643 2689
2644unsigned int 2690unsigned int
2645ev_pending_count (EV_P) 2691ev_pending_count (EV_P) EV_THROW
2646{ 2692{
2647 int pri; 2693 int pri;
2648 unsigned int count = 0; 2694 unsigned int count = 0;
2649 2695
2650 for (pri = NUMPRI; pri--; ) 2696 for (pri = NUMPRI; pri--; )
… …
2654} 2700}
2655 2701
2656void noinline 2702void noinline
2657ev_invoke_pending (EV_P) 2703ev_invoke_pending (EV_P)
2658{ 2704{
2659 int pri; 2705 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2660
2661 for (pri = NUMPRI; pri--; )
2662 while (pendingcnt [pri]) 2706 while (pendingcnt [pendingpri])
2663 { 2707 {
2664 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2708 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2665 2709
2666 p->w->pending = 0; 2710 p->w->pending = 0;
2667 EV_CB_INVOKE (p->w, p->events); 2711 EV_CB_INVOKE (p->w, p->events);
2668 EV_FREQUENT_CHECK; 2712 EV_FREQUENT_CHECK;
2669 } 2713 }
… …
2909 2953
2910 mn_now = ev_rt_now; 2954 mn_now = ev_rt_now;
2911 } 2955 }
2912} 2956}
2913 2957
2914void 2958int
2915ev_run (EV_P_ int flags) 2959ev_run (EV_P_ int flags)
2916{ 2960{
2917#if EV_FEATURE_API 2961#if EV_FEATURE_API
2918 ++loop_depth; 2962 ++loop_depth;
2919#endif 2963#endif
… …
3076 loop_done = EVBREAK_CANCEL; 3120 loop_done = EVBREAK_CANCEL;
3077 3121
3078#if EV_FEATURE_API 3122#if EV_FEATURE_API
3079 --loop_depth; 3123 --loop_depth;
3080#endif 3124#endif
3125
3126 return activecnt;
3081} 3127}
3082 3128
3083void 3129void
3084ev_break (EV_P_ int how) 3130ev_break (EV_P_ int how) EV_THROW
3085{ 3131{
3086 loop_done = how; 3132 loop_done = how;
3087} 3133}
3088 3134
3089void 3135void
3090ev_ref (EV_P) 3136ev_ref (EV_P) EV_THROW
3091{ 3137{
3092 ++activecnt; 3138 ++activecnt;
3093} 3139}
3094 3140
3095void 3141void
3096ev_unref (EV_P) 3142ev_unref (EV_P) EV_THROW
3097{ 3143{
3098 --activecnt; 3144 --activecnt;
3099} 3145}
3100 3146
3101void 3147void
3102ev_now_update (EV_P) 3148ev_now_update (EV_P) EV_THROW
3103{ 3149{
3104 time_update (EV_A_ 1e100); 3150 time_update (EV_A_ 1e100);
3105} 3151}
3106 3152
3107void 3153void
3108ev_suspend (EV_P) 3154ev_suspend (EV_P) EV_THROW
3109{ 3155{
3110 ev_now_update (EV_A); 3156 ev_now_update (EV_A);
3111} 3157}
3112 3158
3113void 3159void
3114ev_resume (EV_P) 3160ev_resume (EV_P) EV_THROW
3115{ 3161{
3116 ev_tstamp mn_prev = mn_now; 3162 ev_tstamp mn_prev = mn_now;
3117 3163
3118 ev_now_update (EV_A); 3164 ev_now_update (EV_A);
3119 timers_reschedule (EV_A_ mn_now - mn_prev); 3165 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3158 w->pending = 0; 3204 w->pending = 0;
3159 } 3205 }
3160} 3206}
3161 3207
3162int 3208int
3163ev_clear_pending (EV_P_ void *w) 3209ev_clear_pending (EV_P_ void *w) EV_THROW
3164{ 3210{
3165 W w_ = (W)w; 3211 W w_ = (W)w;
3166 int pending = w_->pending; 3212 int pending = w_->pending;
3167 3213
3168 if (expect_true (pending)) 3214 if (expect_true (pending))
… …
3201} 3247}
3202 3248
3203/*****************************************************************************/ 3249/*****************************************************************************/
3204 3250
3205void noinline 3251void noinline
3206ev_io_start (EV_P_ ev_io *w) 3252ev_io_start (EV_P_ ev_io *w) EV_THROW
3207{ 3253{
3208 int fd = w->fd; 3254 int fd = w->fd;
3209 3255
3210 if (expect_false (ev_is_active (w))) 3256 if (expect_false (ev_is_active (w)))
3211 return; 3257 return;
… …
3217 3263
3218 ev_start (EV_A_ (W)w, 1); 3264 ev_start (EV_A_ (W)w, 1);
3219 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3265 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3220 wlist_add (&anfds[fd].head, (WL)w); 3266 wlist_add (&anfds[fd].head, (WL)w);
3221 3267
3268 /* common bug, apparently */
3269 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3270
3222 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3271 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3223 w->events &= ~EV__IOFDSET; 3272 w->events &= ~EV__IOFDSET;
3224 3273
3225 EV_FREQUENT_CHECK; 3274 EV_FREQUENT_CHECK;
3226} 3275}
3227 3276
3228void noinline 3277void noinline
3229ev_io_stop (EV_P_ ev_io *w) 3278ev_io_stop (EV_P_ ev_io *w) EV_THROW
3230{ 3279{
3231 clear_pending (EV_A_ (W)w); 3280 clear_pending (EV_A_ (W)w);
3232 if (expect_false (!ev_is_active (w))) 3281 if (expect_false (!ev_is_active (w)))
3233 return; 3282 return;
3234 3283
… …
3243 3292
3244 EV_FREQUENT_CHECK; 3293 EV_FREQUENT_CHECK;
3245} 3294}
3246 3295
3247void noinline 3296void noinline
3248ev_timer_start (EV_P_ ev_timer *w) 3297ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3249{ 3298{
3250 if (expect_false (ev_is_active (w))) 3299 if (expect_false (ev_is_active (w)))
3251 return; 3300 return;
3252 3301
3253 ev_at (w) += mn_now; 3302 ev_at (w) += mn_now;
… …
3267 3316
3268 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3317 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3269} 3318}
3270 3319
3271void noinline 3320void noinline
3272ev_timer_stop (EV_P_ ev_timer *w) 3321ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3273{ 3322{
3274 clear_pending (EV_A_ (W)w); 3323 clear_pending (EV_A_ (W)w);
3275 if (expect_false (!ev_is_active (w))) 3324 if (expect_false (!ev_is_active (w)))
3276 return; 3325 return;
3277 3326
… …
3297 3346
3298 EV_FREQUENT_CHECK; 3347 EV_FREQUENT_CHECK;
3299} 3348}
3300 3349
3301void noinline 3350void noinline
3302ev_timer_again (EV_P_ ev_timer *w) 3351ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3303{ 3352{
3304 EV_FREQUENT_CHECK; 3353 EV_FREQUENT_CHECK;
3305 3354
3306 clear_pending (EV_A_ (W)w); 3355 clear_pending (EV_A_ (W)w);
3307 3356
… …
3324 3373
3325 EV_FREQUENT_CHECK; 3374 EV_FREQUENT_CHECK;
3326} 3375}
3327 3376
3328ev_tstamp 3377ev_tstamp
3329ev_timer_remaining (EV_P_ ev_timer *w) 3378ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3330{ 3379{
3331 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3380 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3332} 3381}
3333 3382
3334#if EV_PERIODIC_ENABLE 3383#if EV_PERIODIC_ENABLE
3335void noinline 3384void noinline
3336ev_periodic_start (EV_P_ ev_periodic *w) 3385ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3337{ 3386{
3338 if (expect_false (ev_is_active (w))) 3387 if (expect_false (ev_is_active (w)))
3339 return; 3388 return;
3340 3389
3341 if (w->reschedule_cb) 3390 if (w->reschedule_cb)
… …
3361 3410
3362 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3411 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3363} 3412}
3364 3413
3365void noinline 3414void noinline
3366ev_periodic_stop (EV_P_ ev_periodic *w) 3415ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3367{ 3416{
3368 clear_pending (EV_A_ (W)w); 3417 clear_pending (EV_A_ (W)w);
3369 if (expect_false (!ev_is_active (w))) 3418 if (expect_false (!ev_is_active (w)))
3370 return; 3419 return;
3371 3420
… …
3389 3438
3390 EV_FREQUENT_CHECK; 3439 EV_FREQUENT_CHECK;
3391} 3440}
3392 3441
3393void noinline 3442void noinline
3394ev_periodic_again (EV_P_ ev_periodic *w) 3443ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3395{ 3444{
3396 /* TODO: use adjustheap and recalculation */ 3445 /* TODO: use adjustheap and recalculation */
3397 ev_periodic_stop (EV_A_ w); 3446 ev_periodic_stop (EV_A_ w);
3398 ev_periodic_start (EV_A_ w); 3447 ev_periodic_start (EV_A_ w);
3399} 3448}
… …
3404#endif 3453#endif
3405 3454
3406#if EV_SIGNAL_ENABLE 3455#if EV_SIGNAL_ENABLE
3407 3456
3408void noinline 3457void noinline
3409ev_signal_start (EV_P_ ev_signal *w) 3458ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3410{ 3459{
3411 if (expect_false (ev_is_active (w))) 3460 if (expect_false (ev_is_active (w)))
3412 return; 3461 return;
3413 3462
3414 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3463 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3485 3534
3486 EV_FREQUENT_CHECK; 3535 EV_FREQUENT_CHECK;
3487} 3536}
3488 3537
3489void noinline 3538void noinline
3490ev_signal_stop (EV_P_ ev_signal *w) 3539ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3491{ 3540{
3492 clear_pending (EV_A_ (W)w); 3541 clear_pending (EV_A_ (W)w);
3493 if (expect_false (!ev_is_active (w))) 3542 if (expect_false (!ev_is_active (w)))
3494 return; 3543 return;
3495 3544
… …
3526#endif 3575#endif
3527 3576
3528#if EV_CHILD_ENABLE 3577#if EV_CHILD_ENABLE
3529 3578
3530void 3579void
3531ev_child_start (EV_P_ ev_child *w) 3580ev_child_start (EV_P_ ev_child *w) EV_THROW
3532{ 3581{
3533#if EV_MULTIPLICITY 3582#if EV_MULTIPLICITY
3534 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3583 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3535#endif 3584#endif
3536 if (expect_false (ev_is_active (w))) 3585 if (expect_false (ev_is_active (w)))
… …
3543 3592
3544 EV_FREQUENT_CHECK; 3593 EV_FREQUENT_CHECK;
3545} 3594}
3546 3595
3547void 3596void
3548ev_child_stop (EV_P_ ev_child *w) 3597ev_child_stop (EV_P_ ev_child *w) EV_THROW
3549{ 3598{
3550 clear_pending (EV_A_ (W)w); 3599 clear_pending (EV_A_ (W)w);
3551 if (expect_false (!ev_is_active (w))) 3600 if (expect_false (!ev_is_active (w)))
3552 return; 3601 return;
3553 3602
… …
3720} 3769}
3721 3770
3722inline_size int 3771inline_size int
3723infy_newfd (void) 3772infy_newfd (void)
3724{ 3773{
3725#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3774#if defined IN_CLOEXEC && defined IN_NONBLOCK
3726 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3775 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3727 if (fd >= 0) 3776 if (fd >= 0)
3728 return fd; 3777 return fd;
3729#endif 3778#endif
3730 return inotify_init (); 3779 return inotify_init ();
… …
3805#else 3854#else
3806# define EV_LSTAT(p,b) lstat (p, b) 3855# define EV_LSTAT(p,b) lstat (p, b)
3807#endif 3856#endif
3808 3857
3809void 3858void
3810ev_stat_stat (EV_P_ ev_stat *w) 3859ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3811{ 3860{
3812 if (lstat (w->path, &w->attr) < 0) 3861 if (lstat (w->path, &w->attr) < 0)
3813 w->attr.st_nlink = 0; 3862 w->attr.st_nlink = 0;
3814 else if (!w->attr.st_nlink) 3863 else if (!w->attr.st_nlink)
3815 w->attr.st_nlink = 1; 3864 w->attr.st_nlink = 1;
… …
3854 ev_feed_event (EV_A_ w, EV_STAT); 3903 ev_feed_event (EV_A_ w, EV_STAT);
3855 } 3904 }
3856} 3905}
3857 3906
3858void 3907void
3859ev_stat_start (EV_P_ ev_stat *w) 3908ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3860{ 3909{
3861 if (expect_false (ev_is_active (w))) 3910 if (expect_false (ev_is_active (w)))
3862 return; 3911 return;
3863 3912
3864 ev_stat_stat (EV_A_ w); 3913 ev_stat_stat (EV_A_ w);
… …
3885 3934
3886 EV_FREQUENT_CHECK; 3935 EV_FREQUENT_CHECK;
3887} 3936}
3888 3937
3889void 3938void
3890ev_stat_stop (EV_P_ ev_stat *w) 3939ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3891{ 3940{
3892 clear_pending (EV_A_ (W)w); 3941 clear_pending (EV_A_ (W)w);
3893 if (expect_false (!ev_is_active (w))) 3942 if (expect_false (!ev_is_active (w)))
3894 return; 3943 return;
3895 3944
… …
3911} 3960}
3912#endif 3961#endif
3913 3962
3914#if EV_IDLE_ENABLE 3963#if EV_IDLE_ENABLE
3915void 3964void
3916ev_idle_start (EV_P_ ev_idle *w) 3965ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3917{ 3966{
3918 if (expect_false (ev_is_active (w))) 3967 if (expect_false (ev_is_active (w)))
3919 return; 3968 return;
3920 3969
3921 pri_adjust (EV_A_ (W)w); 3970 pri_adjust (EV_A_ (W)w);
… …
3934 3983
3935 EV_FREQUENT_CHECK; 3984 EV_FREQUENT_CHECK;
3936} 3985}
3937 3986
3938void 3987void
3939ev_idle_stop (EV_P_ ev_idle *w) 3988ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3940{ 3989{
3941 clear_pending (EV_A_ (W)w); 3990 clear_pending (EV_A_ (W)w);
3942 if (expect_false (!ev_is_active (w))) 3991 if (expect_false (!ev_is_active (w)))
3943 return; 3992 return;
3944 3993
… …
3958} 4007}
3959#endif 4008#endif
3960 4009
3961#if EV_PREPARE_ENABLE 4010#if EV_PREPARE_ENABLE
3962void 4011void
3963ev_prepare_start (EV_P_ ev_prepare *w) 4012ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3964{ 4013{
3965 if (expect_false (ev_is_active (w))) 4014 if (expect_false (ev_is_active (w)))
3966 return; 4015 return;
3967 4016
3968 EV_FREQUENT_CHECK; 4017 EV_FREQUENT_CHECK;
… …
3973 4022
3974 EV_FREQUENT_CHECK; 4023 EV_FREQUENT_CHECK;
3975} 4024}
3976 4025
3977void 4026void
3978ev_prepare_stop (EV_P_ ev_prepare *w) 4027ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3979{ 4028{
3980 clear_pending (EV_A_ (W)w); 4029 clear_pending (EV_A_ (W)w);
3981 if (expect_false (!ev_is_active (w))) 4030 if (expect_false (!ev_is_active (w)))
3982 return; 4031 return;
3983 4032
… …
3996} 4045}
3997#endif 4046#endif
3998 4047
3999#if EV_CHECK_ENABLE 4048#if EV_CHECK_ENABLE
4000void 4049void
4001ev_check_start (EV_P_ ev_check *w) 4050ev_check_start (EV_P_ ev_check *w) EV_THROW
4002{ 4051{
4003 if (expect_false (ev_is_active (w))) 4052 if (expect_false (ev_is_active (w)))
4004 return; 4053 return;
4005 4054
4006 EV_FREQUENT_CHECK; 4055 EV_FREQUENT_CHECK;
… …
4011 4060
4012 EV_FREQUENT_CHECK; 4061 EV_FREQUENT_CHECK;
4013} 4062}
4014 4063
4015void 4064void
4016ev_check_stop (EV_P_ ev_check *w) 4065ev_check_stop (EV_P_ ev_check *w) EV_THROW
4017{ 4066{
4018 clear_pending (EV_A_ (W)w); 4067 clear_pending (EV_A_ (W)w);
4019 if (expect_false (!ev_is_active (w))) 4068 if (expect_false (!ev_is_active (w)))
4020 return; 4069 return;
4021 4070
… …
4034} 4083}
4035#endif 4084#endif
4036 4085
4037#if EV_EMBED_ENABLE 4086#if EV_EMBED_ENABLE
4038void noinline 4087void noinline
4039ev_embed_sweep (EV_P_ ev_embed *w) 4088ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4040{ 4089{
4041 ev_run (w->other, EVRUN_NOWAIT); 4090 ev_run (w->other, EVRUN_NOWAIT);
4042} 4091}
4043 4092
4044static void 4093static void
… …
4092 ev_idle_stop (EV_A_ idle); 4141 ev_idle_stop (EV_A_ idle);
4093} 4142}
4094#endif 4143#endif
4095 4144
4096void 4145void
4097ev_embed_start (EV_P_ ev_embed *w) 4146ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4098{ 4147{
4099 if (expect_false (ev_is_active (w))) 4148 if (expect_false (ev_is_active (w)))
4100 return; 4149 return;
4101 4150
4102 { 4151 {
… …
4123 4172
4124 EV_FREQUENT_CHECK; 4173 EV_FREQUENT_CHECK;
4125} 4174}
4126 4175
4127void 4176void
4128ev_embed_stop (EV_P_ ev_embed *w) 4177ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4129{ 4178{
4130 clear_pending (EV_A_ (W)w); 4179 clear_pending (EV_A_ (W)w);
4131 if (expect_false (!ev_is_active (w))) 4180 if (expect_false (!ev_is_active (w)))
4132 return; 4181 return;
4133 4182
… …
4143} 4192}
4144#endif 4193#endif
4145 4194
4146#if EV_FORK_ENABLE 4195#if EV_FORK_ENABLE
4147void 4196void
4148ev_fork_start (EV_P_ ev_fork *w) 4197ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4149{ 4198{
4150 if (expect_false (ev_is_active (w))) 4199 if (expect_false (ev_is_active (w)))
4151 return; 4200 return;
4152 4201
4153 EV_FREQUENT_CHECK; 4202 EV_FREQUENT_CHECK;
… …
4158 4207
4159 EV_FREQUENT_CHECK; 4208 EV_FREQUENT_CHECK;
4160} 4209}
4161 4210
4162void 4211void
4163ev_fork_stop (EV_P_ ev_fork *w) 4212ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4164{ 4213{
4165 clear_pending (EV_A_ (W)w); 4214 clear_pending (EV_A_ (W)w);
4166 if (expect_false (!ev_is_active (w))) 4215 if (expect_false (!ev_is_active (w)))
4167 return; 4216 return;
4168 4217
… …
4181} 4230}
4182#endif 4231#endif
4183 4232
4184#if EV_CLEANUP_ENABLE 4233#if EV_CLEANUP_ENABLE
4185void 4234void
4186ev_cleanup_start (EV_P_ ev_cleanup *w) 4235ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4187{ 4236{
4188 if (expect_false (ev_is_active (w))) 4237 if (expect_false (ev_is_active (w)))
4189 return; 4238 return;
4190 4239
4191 EV_FREQUENT_CHECK; 4240 EV_FREQUENT_CHECK;
… …
4198 ev_unref (EV_A); 4247 ev_unref (EV_A);
4199 EV_FREQUENT_CHECK; 4248 EV_FREQUENT_CHECK;
4200} 4249}
4201 4250
4202void 4251void
4203ev_cleanup_stop (EV_P_ ev_cleanup *w) 4252ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4204{ 4253{
4205 clear_pending (EV_A_ (W)w); 4254 clear_pending (EV_A_ (W)w);
4206 if (expect_false (!ev_is_active (w))) 4255 if (expect_false (!ev_is_active (w)))
4207 return; 4256 return;
4208 4257
… …
4222} 4271}
4223#endif 4272#endif
4224 4273
4225#if EV_ASYNC_ENABLE 4274#if EV_ASYNC_ENABLE
4226void 4275void
4227ev_async_start (EV_P_ ev_async *w) 4276ev_async_start (EV_P_ ev_async *w) EV_THROW
4228{ 4277{
4229 if (expect_false (ev_is_active (w))) 4278 if (expect_false (ev_is_active (w)))
4230 return; 4279 return;
4231 4280
4232 w->sent = 0; 4281 w->sent = 0;
… …
4241 4290
4242 EV_FREQUENT_CHECK; 4291 EV_FREQUENT_CHECK;
4243} 4292}
4244 4293
4245void 4294void
4246ev_async_stop (EV_P_ ev_async *w) 4295ev_async_stop (EV_P_ ev_async *w) EV_THROW
4247{ 4296{
4248 clear_pending (EV_A_ (W)w); 4297 clear_pending (EV_A_ (W)w);
4249 if (expect_false (!ev_is_active (w))) 4298 if (expect_false (!ev_is_active (w)))
4250 return; 4299 return;
4251 4300
… …
4262 4311
4263 EV_FREQUENT_CHECK; 4312 EV_FREQUENT_CHECK;
4264} 4313}
4265 4314
4266void 4315void
4267ev_async_send (EV_P_ ev_async *w) 4316ev_async_send (EV_P_ ev_async *w) EV_THROW
4268{ 4317{
4269 w->sent = 1; 4318 w->sent = 1;
4270 evpipe_write (EV_A_ &async_pending); 4319 evpipe_write (EV_A_ &async_pending);
4271} 4320}
4272#endif 4321#endif
… …
4309 4358
4310 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4359 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4311} 4360}
4312 4361
4313void 4362void
4314ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4363ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4315{ 4364{
4316 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4365 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4317 4366
4318 if (expect_false (!once)) 4367 if (expect_false (!once))
4319 { 4368 {
… …
4341 4390
4342/*****************************************************************************/ 4391/*****************************************************************************/
4343 4392
4344#if EV_WALK_ENABLE 4393#if EV_WALK_ENABLE
4345void ecb_cold 4394void ecb_cold
4346ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4395ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4347{ 4396{
4348 int i, j; 4397 int i, j;
4349 ev_watcher_list *wl, *wn; 4398 ev_watcher_list *wl, *wn;
4350 4399
4351 if (types & (EV_IO | EV_EMBED)) 4400 if (types & (EV_IO | EV_EMBED))

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines