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Comparing libev/ev.c (file contents):
Revision 1.415 by root, Fri Mar 30 17:43:55 2012 UTC vs.
Revision 1.425 by root, Sun May 6 13:09:35 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
… …
219#define _DARWIN_UNLIMITED_SELECT 1 219#define _DARWIN_UNLIMITED_SELECT 1
220 220
221/* 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 */
222 222
223/* try to deduce the maximum number of signals on this platform */ 223/* try to deduce the maximum number of signals on this platform */
224#if defined (EV_NSIG) 224#if defined EV_NSIG
225/* use what's provided */ 225/* use what's provided */
226#elif defined (NSIG) 226#elif defined NSIG
227# define EV_NSIG (NSIG) 227# define EV_NSIG (NSIG)
228#elif defined(_NSIG) 228#elif defined _NSIG
229# define EV_NSIG (_NSIG) 229# define EV_NSIG (_NSIG)
230#elif defined (SIGMAX) 230#elif defined SIGMAX
231# define EV_NSIG (SIGMAX+1) 231# define EV_NSIG (SIGMAX+1)
232#elif defined (SIG_MAX) 232#elif defined SIG_MAX
233# define EV_NSIG (SIG_MAX+1) 233# define EV_NSIG (SIG_MAX+1)
234#elif defined (_SIG_MAX) 234#elif defined _SIG_MAX
235# define EV_NSIG (_SIG_MAX+1) 235# define EV_NSIG (_SIG_MAX+1)
236#elif defined (MAXSIG) 236#elif defined MAXSIG
237# define EV_NSIG (MAXSIG+1) 237# define EV_NSIG (MAXSIG+1)
238#elif defined (MAX_SIG) 238#elif defined MAX_SIG
239# define EV_NSIG (MAX_SIG+1) 239# define EV_NSIG (MAX_SIG+1)
240#elif defined (SIGARRAYSIZE) 240#elif defined SIGARRAYSIZE
241# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 241# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
242#elif defined (_sys_nsig) 242#elif defined _sys_nsig
243# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 243# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
244#else 244#else
245# error "unable to find value for NSIG, please report" 245# error "unable to find value for NSIG, please report"
246/* to make it compile regardless, just remove the above line, */ 246/* to make it compile regardless, just remove the above line, */
247/* but consider reporting it, too! :) */ 247/* but consider reporting it, too! :) */
… …
259# define EV_USE_CLOCK_SYSCALL 0 259# define EV_USE_CLOCK_SYSCALL 0
260# endif 260# endif
261#endif 261#endif
262 262
263#ifndef EV_USE_MONOTONIC 263#ifndef EV_USE_MONOTONIC
264# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 264# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
265# define EV_USE_MONOTONIC EV_FEATURE_OS 265# define EV_USE_MONOTONIC EV_FEATURE_OS
266# else 266# else
267# define EV_USE_MONOTONIC 0 267# define EV_USE_MONOTONIC 0
268# endif 268# endif
269#endif 269#endif
… …
359#endif 359#endif
360 360
361/* 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, */
362/* which makes programs even slower. might work on other unices, too. */ 362/* which makes programs even slower. might work on other unices, too. */
363#if EV_USE_CLOCK_SYSCALL 363#if EV_USE_CLOCK_SYSCALL
364# include <syscall.h> 364# include <sys/syscall.h>
365# ifdef SYS_clock_gettime 365# ifdef SYS_clock_gettime
366# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 366# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367# undef EV_USE_MONOTONIC 367# undef EV_USE_MONOTONIC
368# define EV_USE_MONOTONIC 1 368# define EV_USE_MONOTONIC 1
369# else 369# else
… …
395# define EV_USE_INOTIFY 0 395# define EV_USE_INOTIFY 0
396#endif 396#endif
397 397
398#if !EV_USE_NANOSLEEP 398#if !EV_USE_NANOSLEEP
399/* 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 */
400# if !defined(_WIN32) && !defined(__hpux) 400# if !defined _WIN32 && !defined __hpux
401# include <sys/select.h> 401# include <sys/select.h>
402# endif 402# endif
403#endif 403#endif
404 404
405#if EV_USE_INOTIFY 405#if EV_USE_INOTIFY
… …
533 * or so. 533 * or so.
534 * 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
535 * 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.
536 */ 536 */
537#ifndef ECB_GCC_VERSION 537#ifndef ECB_GCC_VERSION
538 #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__
539 #define ECB_GCC_VERSION(major,minor) 0 539 #define ECB_GCC_VERSION(major,minor) 0
540 #else 540 #else
541 #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)))
542 #endif 542 #endif
543#endif 543#endif
… …
554#if ECB_NO_THREADS || ECB_NO_SMP 554#if ECB_NO_THREADS || ECB_NO_SMP
555 #define ECB_MEMORY_FENCE do { } while (0) 555 #define ECB_MEMORY_FENCE do { } while (0)
556#endif 556#endif
557 557
558#ifndef ECB_MEMORY_FENCE 558#ifndef ECB_MEMORY_FENCE
559 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 559 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560 #if __i386 || __i386__ 560 #if __i386 || __i386__
561 #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")
562 #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 */
563 #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 */
564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
567 #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 */
568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 570 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 571 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
572 #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")
573 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ 573 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 574 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 575 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576 #elif __sparc || __sparc__ 576 #elif __sparc || __sparc__
577 #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")
578 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 578 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 579 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580 #elif defined(__s390__) || defined(__s390x__) 580 #elif defined __s390__ || defined __s390x__
581 #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__) 582 #elif defined __mips__
583 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 583 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
584 #elif defined __alpha__
585 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
584 #endif 586 #endif
585 #endif 587 #endif
586#endif 588#endif
587 589
588#ifndef ECB_MEMORY_FENCE 590#ifndef ECB_MEMORY_FENCE
589 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 591 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
590 #define ECB_MEMORY_FENCE __sync_synchronize () 592 #define ECB_MEMORY_FENCE __sync_synchronize ()
591 /*#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); }) */
592 /*#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 ); }) */
593 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 595 #elif _MSC_VER >= 1400 /* VC++ 2005 */
594 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 596 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
595 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 597 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
596 #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 */
597 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 599 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
598 #elif defined(_WIN32) 600 #elif defined _WIN32
599 #include <WinNT.h> 601 #include <WinNT.h>
600 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 602 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
601 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 603 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
602 #include <mbarrier.h> 604 #include <mbarrier.h>
603 #define ECB_MEMORY_FENCE __machine_rw_barrier () 605 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
… …
624 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 626 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
625 #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)
626 #endif 628 #endif
627#endif 629#endif
628 630
629#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 631#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
630 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 632 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
631#endif 633#endif
632 634
633#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 635#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
634 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 636 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
635#endif 637#endif
636 638
637/*****************************************************************************/ 639/*****************************************************************************/
638 640
… …
1103{ 1105{
1104 write (STDERR_FILENO, msg, strlen (msg)); 1106 write (STDERR_FILENO, msg, strlen (msg));
1105} 1107}
1106#endif 1108#endif
1107 1109
1108static void (*syserr_cb)(const char *msg); 1110static void (*syserr_cb)(const char *msg) EV_THROW;
1109 1111
1110void ecb_cold 1112void ecb_cold
1111ev_set_syserr_cb (void (*cb)(const char *msg)) 1113ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1112{ 1114{
1113 syserr_cb = cb; 1115 syserr_cb = cb;
1114} 1116}
1115 1117
1116static void noinline ecb_cold 1118static void noinline ecb_cold
… …
1152 free (ptr); 1154 free (ptr);
1153 return 0; 1155 return 0;
1154#endif 1156#endif
1155} 1157}
1156 1158
1157static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1159static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1158 1160
1159void ecb_cold 1161void ecb_cold
1160ev_set_allocator (void *(*cb)(void *ptr, long size)) 1162ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1161{ 1163{
1162 alloc = cb; 1164 alloc = cb;
1163} 1165}
1164 1166
1165inline_speed void * 1167inline_speed void *
… …
1282 1284
1283/*****************************************************************************/ 1285/*****************************************************************************/
1284 1286
1285#ifndef EV_HAVE_EV_TIME 1287#ifndef EV_HAVE_EV_TIME
1286ev_tstamp 1288ev_tstamp
1287ev_time (void) 1289ev_time (void) EV_THROW
1288{ 1290{
1289#if EV_USE_REALTIME 1291#if EV_USE_REALTIME
1290 if (expect_true (have_realtime)) 1292 if (expect_true (have_realtime))
1291 { 1293 {
1292 struct timespec ts; 1294 struct timespec ts;
… …
1316 return ev_time (); 1318 return ev_time ();
1317} 1319}
1318 1320
1319#if EV_MULTIPLICITY 1321#if EV_MULTIPLICITY
1320ev_tstamp 1322ev_tstamp
1321ev_now (EV_P) 1323ev_now (EV_P) EV_THROW
1322{ 1324{
1323 return ev_rt_now; 1325 return ev_rt_now;
1324} 1326}
1325#endif 1327#endif
1326 1328
1327void 1329void
1328ev_sleep (ev_tstamp delay) 1330ev_sleep (ev_tstamp delay) EV_THROW
1329{ 1331{
1330 if (delay > 0.) 1332 if (delay > 0.)
1331 { 1333 {
1332#if EV_USE_NANOSLEEP 1334#if EV_USE_NANOSLEEP
1333 struct timespec ts; 1335 struct timespec ts;
1334 1336
1335 EV_TS_SET (ts, delay); 1337 EV_TS_SET (ts, delay);
1336 nanosleep (&ts, 0); 1338 nanosleep (&ts, 0);
1337#elif defined(_WIN32) 1339#elif defined _WIN32
1338 Sleep ((unsigned long)(delay * 1e3)); 1340 Sleep ((unsigned long)(delay * 1e3));
1339#else 1341#else
1340 struct timeval tv; 1342 struct timeval tv;
1341 1343
1342 /* 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 */
… …
1414pendingcb (EV_P_ ev_prepare *w, int revents) 1416pendingcb (EV_P_ ev_prepare *w, int revents)
1415{ 1417{
1416} 1418}
1417 1419
1418void noinline 1420void noinline
1419ev_feed_event (EV_P_ void *w, int revents) 1421ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1420{ 1422{
1421 W w_ = (W)w; 1423 W w_ = (W)w;
1422 int pri = ABSPRI (w_); 1424 int pri = ABSPRI (w_);
1423 1425
1424 if (expect_false (w_->pending)) 1426 if (expect_false (w_->pending))
… …
1428 w_->pending = ++pendingcnt [pri]; 1430 w_->pending = ++pendingcnt [pri];
1429 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1431 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1430 pendings [pri][w_->pending - 1].w = w_; 1432 pendings [pri][w_->pending - 1].w = w_;
1431 pendings [pri][w_->pending - 1].events = revents; 1433 pendings [pri][w_->pending - 1].events = revents;
1432 } 1434 }
1435
1436 pendingpri = NUMPRI - 1;
1433} 1437}
1434 1438
1435inline_speed void 1439inline_speed void
1436feed_reverse (EV_P_ W w) 1440feed_reverse (EV_P_ W w)
1437{ 1441{
… …
1483 if (expect_true (!anfd->reify)) 1487 if (expect_true (!anfd->reify))
1484 fd_event_nocheck (EV_A_ fd, revents); 1488 fd_event_nocheck (EV_A_ fd, revents);
1485} 1489}
1486 1490
1487void 1491void
1488ev_feed_fd_event (EV_P_ int fd, int revents) 1492ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1489{ 1493{
1490 if (fd >= 0 && fd < anfdmax) 1494 if (fd >= 0 && fd < anfdmax)
1491 fd_event_nocheck (EV_A_ fd, revents); 1495 fd_event_nocheck (EV_A_ fd, revents);
1492} 1496}
1493 1497
… …
1842} 1846}
1843 1847
1844inline_speed void 1848inline_speed void
1845evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1849evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1846{ 1850{
1851 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1852
1847 if (expect_true (*flag)) 1853 if (expect_true (*flag))
1848 return; 1854 return;
1849 1855
1850 *flag = 1; 1856 *flag = 1;
1851 1857
… …
1910 } 1916 }
1911 } 1917 }
1912 1918
1913 pipe_write_skipped = 0; 1919 pipe_write_skipped = 0;
1914 1920
1921 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1922
1915#if EV_SIGNAL_ENABLE 1923#if EV_SIGNAL_ENABLE
1916 if (sig_pending) 1924 if (sig_pending)
1917 { 1925 {
1918 sig_pending = 0; 1926 sig_pending = 0;
1927
1928 ECB_MEMORY_FENCE_RELEASE;
1919 1929
1920 for (i = EV_NSIG - 1; i--; ) 1930 for (i = EV_NSIG - 1; i--; )
1921 if (expect_false (signals [i].pending)) 1931 if (expect_false (signals [i].pending))
1922 ev_feed_signal_event (EV_A_ i + 1); 1932 ev_feed_signal_event (EV_A_ i + 1);
1923 } 1933 }
… …
1925 1935
1926#if EV_ASYNC_ENABLE 1936#if EV_ASYNC_ENABLE
1927 if (async_pending) 1937 if (async_pending)
1928 { 1938 {
1929 async_pending = 0; 1939 async_pending = 0;
1940
1941 ECB_MEMORY_FENCE_RELEASE;
1930 1942
1931 for (i = asynccnt; i--; ) 1943 for (i = asynccnt; i--; )
1932 if (asyncs [i]->sent) 1944 if (asyncs [i]->sent)
1933 { 1945 {
1934 asyncs [i]->sent = 0; 1946 asyncs [i]->sent = 0;
… …
1939} 1951}
1940 1952
1941/*****************************************************************************/ 1953/*****************************************************************************/
1942 1954
1943void 1955void
1944ev_feed_signal (int signum) 1956ev_feed_signal (int signum) EV_THROW
1945{ 1957{
1946#if EV_MULTIPLICITY 1958#if EV_MULTIPLICITY
1947 EV_P = signals [signum - 1].loop; 1959 EV_P = signals [signum - 1].loop;
1948 1960
1949 if (!EV_A) 1961 if (!EV_A)
… …
1966 1978
1967 ev_feed_signal (signum); 1979 ev_feed_signal (signum);
1968} 1980}
1969 1981
1970void noinline 1982void noinline
1971ev_feed_signal_event (EV_P_ int signum) 1983ev_feed_signal_event (EV_P_ int signum) EV_THROW
1972{ 1984{
1973 WL w; 1985 WL w;
1974 1986
1975 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1987 if (expect_false (signum <= 0 || signum > EV_NSIG))
1976 return; 1988 return;
… …
2092#if EV_USE_SELECT 2104#if EV_USE_SELECT
2093# include "ev_select.c" 2105# include "ev_select.c"
2094#endif 2106#endif
2095 2107
2096int ecb_cold 2108int ecb_cold
2097ev_version_major (void) 2109ev_version_major (void) EV_THROW
2098{ 2110{
2099 return EV_VERSION_MAJOR; 2111 return EV_VERSION_MAJOR;
2100} 2112}
2101 2113
2102int ecb_cold 2114int ecb_cold
2103ev_version_minor (void) 2115ev_version_minor (void) EV_THROW
2104{ 2116{
2105 return EV_VERSION_MINOR; 2117 return EV_VERSION_MINOR;
2106} 2118}
2107 2119
2108/* return true if we are running with elevated privileges and should ignore env variables */ 2120/* return true if we are running with elevated privileges and should ignore env variables */
… …
2116 || getgid () != getegid (); 2128 || getgid () != getegid ();
2117#endif 2129#endif
2118} 2130}
2119 2131
2120unsigned int ecb_cold 2132unsigned int ecb_cold
2121ev_supported_backends (void) 2133ev_supported_backends (void) EV_THROW
2122{ 2134{
2123 unsigned int flags = 0; 2135 unsigned int flags = 0;
2124 2136
2125 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2137 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2126 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2138 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2130 2142
2131 return flags; 2143 return flags;
2132} 2144}
2133 2145
2134unsigned int ecb_cold 2146unsigned int ecb_cold
2135ev_recommended_backends (void) 2147ev_recommended_backends (void) EV_THROW
2136{ 2148{
2137 unsigned int flags = ev_supported_backends (); 2149 unsigned int flags = ev_supported_backends ();
2138 2150
2139#ifndef __NetBSD__ 2151#ifndef __NetBSD__
2140 /* kqueue is borked on everything but netbsd apparently */ 2152 /* kqueue is borked on everything but netbsd apparently */
… …
2152 2164
2153 return flags; 2165 return flags;
2154} 2166}
2155 2167
2156unsigned int ecb_cold 2168unsigned int ecb_cold
2157ev_embeddable_backends (void) 2169ev_embeddable_backends (void) EV_THROW
2158{ 2170{
2159 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2171 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2160 2172
2161 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2173 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2162 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2174 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2164 2176
2165 return flags; 2177 return flags;
2166} 2178}
2167 2179
2168unsigned int 2180unsigned int
2169ev_backend (EV_P) 2181ev_backend (EV_P) EV_THROW
2170{ 2182{
2171 return backend; 2183 return backend;
2172} 2184}
2173 2185
2174#if EV_FEATURE_API 2186#if EV_FEATURE_API
2175unsigned int 2187unsigned int
2176ev_iteration (EV_P) 2188ev_iteration (EV_P) EV_THROW
2177{ 2189{
2178 return loop_count; 2190 return loop_count;
2179} 2191}
2180 2192
2181unsigned int 2193unsigned int
2182ev_depth (EV_P) 2194ev_depth (EV_P) EV_THROW
2183{ 2195{
2184 return loop_depth; 2196 return loop_depth;
2185} 2197}
2186 2198
2187void 2199void
2188ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2200ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2189{ 2201{
2190 io_blocktime = interval; 2202 io_blocktime = interval;
2191} 2203}
2192 2204
2193void 2205void
2194ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2206ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2195{ 2207{
2196 timeout_blocktime = interval; 2208 timeout_blocktime = interval;
2197} 2209}
2198 2210
2199void 2211void
2200ev_set_userdata (EV_P_ void *data) 2212ev_set_userdata (EV_P_ void *data) EV_THROW
2201{ 2213{
2202 userdata = data; 2214 userdata = data;
2203} 2215}
2204 2216
2205void * 2217void *
2206ev_userdata (EV_P) 2218ev_userdata (EV_P) EV_THROW
2207{ 2219{
2208 return userdata; 2220 return userdata;
2209} 2221}
2210 2222
2211void 2223void
2212ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2224ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2213{ 2225{
2214 invoke_cb = invoke_pending_cb; 2226 invoke_cb = invoke_pending_cb;
2215} 2227}
2216 2228
2217void 2229void
2218ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2230ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2219{ 2231{
2220 release_cb = release; 2232 release_cb = release;
2221 acquire_cb = acquire; 2233 acquire_cb = acquire;
2222} 2234}
2223#endif 2235#endif
2224 2236
2225/* initialise a loop structure, must be zero-initialised */ 2237/* initialise a loop structure, must be zero-initialised */
2226static void noinline ecb_cold 2238static void noinline ecb_cold
2227loop_init (EV_P_ unsigned int flags) 2239loop_init (EV_P_ unsigned int flags) EV_THROW
2228{ 2240{
2229 if (!backend) 2241 if (!backend)
2230 { 2242 {
2231 origflags = flags; 2243 origflags = flags;
2232 2244
… …
2485} 2497}
2486 2498
2487#if EV_MULTIPLICITY 2499#if EV_MULTIPLICITY
2488 2500
2489struct ev_loop * ecb_cold 2501struct ev_loop * ecb_cold
2490ev_loop_new (unsigned int flags) 2502ev_loop_new (unsigned int flags) EV_THROW
2491{ 2503{
2492 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2504 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2493 2505
2494 memset (EV_A, 0, sizeof (struct ev_loop)); 2506 memset (EV_A, 0, sizeof (struct ev_loop));
2495 loop_init (EV_A_ flags); 2507 loop_init (EV_A_ flags);
… …
2539} 2551}
2540#endif 2552#endif
2541 2553
2542#if EV_FEATURE_API 2554#if EV_FEATURE_API
2543void ecb_cold 2555void ecb_cold
2544ev_verify (EV_P) 2556ev_verify (EV_P) EV_THROW
2545{ 2557{
2546#if EV_VERIFY 2558#if EV_VERIFY
2547 int i; 2559 int i;
2548 WL w; 2560 WL w;
2549 2561
… …
2618#if EV_MULTIPLICITY 2630#if EV_MULTIPLICITY
2619struct ev_loop * ecb_cold 2631struct ev_loop * ecb_cold
2620#else 2632#else
2621int 2633int
2622#endif 2634#endif
2623ev_default_loop (unsigned int flags) 2635ev_default_loop (unsigned int flags) EV_THROW
2624{ 2636{
2625 if (!ev_default_loop_ptr) 2637 if (!ev_default_loop_ptr)
2626 { 2638 {
2627#if EV_MULTIPLICITY 2639#if EV_MULTIPLICITY
2628 EV_P = ev_default_loop_ptr = &default_loop_struct; 2640 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2647 2659
2648 return ev_default_loop_ptr; 2660 return ev_default_loop_ptr;
2649} 2661}
2650 2662
2651void 2663void
2652ev_loop_fork (EV_P) 2664ev_loop_fork (EV_P) EV_THROW
2653{ 2665{
2654 postfork = 1; /* must be in line with ev_default_fork */ 2666 postfork = 1; /* must be in line with ev_default_fork */
2655} 2667}
2656 2668
2657/*****************************************************************************/ 2669/*****************************************************************************/
… …
2661{ 2673{
2662 EV_CB_INVOKE ((W)w, revents); 2674 EV_CB_INVOKE ((W)w, revents);
2663} 2675}
2664 2676
2665unsigned int 2677unsigned int
2666ev_pending_count (EV_P) 2678ev_pending_count (EV_P) EV_THROW
2667{ 2679{
2668 int pri; 2680 int pri;
2669 unsigned int count = 0; 2681 unsigned int count = 0;
2670 2682
2671 for (pri = NUMPRI; pri--; ) 2683 for (pri = NUMPRI; pri--; )
… …
2675} 2687}
2676 2688
2677void noinline 2689void noinline
2678ev_invoke_pending (EV_P) 2690ev_invoke_pending (EV_P)
2679{ 2691{
2680 int pri; 2692 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2681
2682 for (pri = NUMPRI; pri--; )
2683 while (pendingcnt [pri]) 2693 while (pendingcnt [pendingpri])
2684 { 2694 {
2685 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2695 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2686 2696
2687 p->w->pending = 0; 2697 p->w->pending = 0;
2688 EV_CB_INVOKE (p->w, p->events); 2698 EV_CB_INVOKE (p->w, p->events);
2689 EV_FREQUENT_CHECK; 2699 EV_FREQUENT_CHECK;
2690 } 2700 }
… …
2930 2940
2931 mn_now = ev_rt_now; 2941 mn_now = ev_rt_now;
2932 } 2942 }
2933} 2943}
2934 2944
2935void 2945int
2936ev_run (EV_P_ int flags) 2946ev_run (EV_P_ int flags)
2937{ 2947{
2938#if EV_FEATURE_API 2948#if EV_FEATURE_API
2939 ++loop_depth; 2949 ++loop_depth;
2940#endif 2950#endif
… …
3097 loop_done = EVBREAK_CANCEL; 3107 loop_done = EVBREAK_CANCEL;
3098 3108
3099#if EV_FEATURE_API 3109#if EV_FEATURE_API
3100 --loop_depth; 3110 --loop_depth;
3101#endif 3111#endif
3112
3113 return activecnt;
3102} 3114}
3103 3115
3104void 3116void
3105ev_break (EV_P_ int how) 3117ev_break (EV_P_ int how) EV_THROW
3106{ 3118{
3107 loop_done = how; 3119 loop_done = how;
3108} 3120}
3109 3121
3110void 3122void
3111ev_ref (EV_P) 3123ev_ref (EV_P) EV_THROW
3112{ 3124{
3113 ++activecnt; 3125 ++activecnt;
3114} 3126}
3115 3127
3116void 3128void
3117ev_unref (EV_P) 3129ev_unref (EV_P) EV_THROW
3118{ 3130{
3119 --activecnt; 3131 --activecnt;
3120} 3132}
3121 3133
3122void 3134void
3123ev_now_update (EV_P) 3135ev_now_update (EV_P) EV_THROW
3124{ 3136{
3125 time_update (EV_A_ 1e100); 3137 time_update (EV_A_ 1e100);
3126} 3138}
3127 3139
3128void 3140void
3129ev_suspend (EV_P) 3141ev_suspend (EV_P) EV_THROW
3130{ 3142{
3131 ev_now_update (EV_A); 3143 ev_now_update (EV_A);
3132} 3144}
3133 3145
3134void 3146void
3135ev_resume (EV_P) 3147ev_resume (EV_P) EV_THROW
3136{ 3148{
3137 ev_tstamp mn_prev = mn_now; 3149 ev_tstamp mn_prev = mn_now;
3138 3150
3139 ev_now_update (EV_A); 3151 ev_now_update (EV_A);
3140 timers_reschedule (EV_A_ mn_now - mn_prev); 3152 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3179 w->pending = 0; 3191 w->pending = 0;
3180 } 3192 }
3181} 3193}
3182 3194
3183int 3195int
3184ev_clear_pending (EV_P_ void *w) 3196ev_clear_pending (EV_P_ void *w) EV_THROW
3185{ 3197{
3186 W w_ = (W)w; 3198 W w_ = (W)w;
3187 int pending = w_->pending; 3199 int pending = w_->pending;
3188 3200
3189 if (expect_true (pending)) 3201 if (expect_true (pending))
… …
3222} 3234}
3223 3235
3224/*****************************************************************************/ 3236/*****************************************************************************/
3225 3237
3226void noinline 3238void noinline
3227ev_io_start (EV_P_ ev_io *w) 3239ev_io_start (EV_P_ ev_io *w) EV_THROW
3228{ 3240{
3229 int fd = w->fd; 3241 int fd = w->fd;
3230 3242
3231 if (expect_false (ev_is_active (w))) 3243 if (expect_false (ev_is_active (w)))
3232 return; 3244 return;
… …
3245 3257
3246 EV_FREQUENT_CHECK; 3258 EV_FREQUENT_CHECK;
3247} 3259}
3248 3260
3249void noinline 3261void noinline
3250ev_io_stop (EV_P_ ev_io *w) 3262ev_io_stop (EV_P_ ev_io *w) EV_THROW
3251{ 3263{
3252 clear_pending (EV_A_ (W)w); 3264 clear_pending (EV_A_ (W)w);
3253 if (expect_false (!ev_is_active (w))) 3265 if (expect_false (!ev_is_active (w)))
3254 return; 3266 return;
3255 3267
… …
3264 3276
3265 EV_FREQUENT_CHECK; 3277 EV_FREQUENT_CHECK;
3266} 3278}
3267 3279
3268void noinline 3280void noinline
3269ev_timer_start (EV_P_ ev_timer *w) 3281ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3270{ 3282{
3271 if (expect_false (ev_is_active (w))) 3283 if (expect_false (ev_is_active (w)))
3272 return; 3284 return;
3273 3285
3274 ev_at (w) += mn_now; 3286 ev_at (w) += mn_now;
… …
3288 3300
3289 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3301 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3290} 3302}
3291 3303
3292void noinline 3304void noinline
3293ev_timer_stop (EV_P_ ev_timer *w) 3305ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3294{ 3306{
3295 clear_pending (EV_A_ (W)w); 3307 clear_pending (EV_A_ (W)w);
3296 if (expect_false (!ev_is_active (w))) 3308 if (expect_false (!ev_is_active (w)))
3297 return; 3309 return;
3298 3310
… …
3318 3330
3319 EV_FREQUENT_CHECK; 3331 EV_FREQUENT_CHECK;
3320} 3332}
3321 3333
3322void noinline 3334void noinline
3323ev_timer_again (EV_P_ ev_timer *w) 3335ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3324{ 3336{
3325 EV_FREQUENT_CHECK; 3337 EV_FREQUENT_CHECK;
3326 3338
3327 clear_pending (EV_A_ (W)w); 3339 clear_pending (EV_A_ (W)w);
3328 3340
… …
3345 3357
3346 EV_FREQUENT_CHECK; 3358 EV_FREQUENT_CHECK;
3347} 3359}
3348 3360
3349ev_tstamp 3361ev_tstamp
3350ev_timer_remaining (EV_P_ ev_timer *w) 3362ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3351{ 3363{
3352 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3364 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3353} 3365}
3354 3366
3355#if EV_PERIODIC_ENABLE 3367#if EV_PERIODIC_ENABLE
3356void noinline 3368void noinline
3357ev_periodic_start (EV_P_ ev_periodic *w) 3369ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3358{ 3370{
3359 if (expect_false (ev_is_active (w))) 3371 if (expect_false (ev_is_active (w)))
3360 return; 3372 return;
3361 3373
3362 if (w->reschedule_cb) 3374 if (w->reschedule_cb)
… …
3382 3394
3383 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3395 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3384} 3396}
3385 3397
3386void noinline 3398void noinline
3387ev_periodic_stop (EV_P_ ev_periodic *w) 3399ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3388{ 3400{
3389 clear_pending (EV_A_ (W)w); 3401 clear_pending (EV_A_ (W)w);
3390 if (expect_false (!ev_is_active (w))) 3402 if (expect_false (!ev_is_active (w)))
3391 return; 3403 return;
3392 3404
… …
3410 3422
3411 EV_FREQUENT_CHECK; 3423 EV_FREQUENT_CHECK;
3412} 3424}
3413 3425
3414void noinline 3426void noinline
3415ev_periodic_again (EV_P_ ev_periodic *w) 3427ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3416{ 3428{
3417 /* TODO: use adjustheap and recalculation */ 3429 /* TODO: use adjustheap and recalculation */
3418 ev_periodic_stop (EV_A_ w); 3430 ev_periodic_stop (EV_A_ w);
3419 ev_periodic_start (EV_A_ w); 3431 ev_periodic_start (EV_A_ w);
3420} 3432}
… …
3425#endif 3437#endif
3426 3438
3427#if EV_SIGNAL_ENABLE 3439#if EV_SIGNAL_ENABLE
3428 3440
3429void noinline 3441void noinline
3430ev_signal_start (EV_P_ ev_signal *w) 3442ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3431{ 3443{
3432 if (expect_false (ev_is_active (w))) 3444 if (expect_false (ev_is_active (w)))
3433 return; 3445 return;
3434 3446
3435 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3447 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3506 3518
3507 EV_FREQUENT_CHECK; 3519 EV_FREQUENT_CHECK;
3508} 3520}
3509 3521
3510void noinline 3522void noinline
3511ev_signal_stop (EV_P_ ev_signal *w) 3523ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3512{ 3524{
3513 clear_pending (EV_A_ (W)w); 3525 clear_pending (EV_A_ (W)w);
3514 if (expect_false (!ev_is_active (w))) 3526 if (expect_false (!ev_is_active (w)))
3515 return; 3527 return;
3516 3528
… …
3547#endif 3559#endif
3548 3560
3549#if EV_CHILD_ENABLE 3561#if EV_CHILD_ENABLE
3550 3562
3551void 3563void
3552ev_child_start (EV_P_ ev_child *w) 3564ev_child_start (EV_P_ ev_child *w) EV_THROW
3553{ 3565{
3554#if EV_MULTIPLICITY 3566#if EV_MULTIPLICITY
3555 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3567 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3556#endif 3568#endif
3557 if (expect_false (ev_is_active (w))) 3569 if (expect_false (ev_is_active (w)))
… …
3564 3576
3565 EV_FREQUENT_CHECK; 3577 EV_FREQUENT_CHECK;
3566} 3578}
3567 3579
3568void 3580void
3569ev_child_stop (EV_P_ ev_child *w) 3581ev_child_stop (EV_P_ ev_child *w) EV_THROW
3570{ 3582{
3571 clear_pending (EV_A_ (W)w); 3583 clear_pending (EV_A_ (W)w);
3572 if (expect_false (!ev_is_active (w))) 3584 if (expect_false (!ev_is_active (w)))
3573 return; 3585 return;
3574 3586
… …
3741} 3753}
3742 3754
3743inline_size int 3755inline_size int
3744infy_newfd (void) 3756infy_newfd (void)
3745{ 3757{
3746#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3758#if defined IN_CLOEXEC && defined IN_NONBLOCK
3747 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3759 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3748 if (fd >= 0) 3760 if (fd >= 0)
3749 return fd; 3761 return fd;
3750#endif 3762#endif
3751 return inotify_init (); 3763 return inotify_init ();
… …
3826#else 3838#else
3827# define EV_LSTAT(p,b) lstat (p, b) 3839# define EV_LSTAT(p,b) lstat (p, b)
3828#endif 3840#endif
3829 3841
3830void 3842void
3831ev_stat_stat (EV_P_ ev_stat *w) 3843ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3832{ 3844{
3833 if (lstat (w->path, &w->attr) < 0) 3845 if (lstat (w->path, &w->attr) < 0)
3834 w->attr.st_nlink = 0; 3846 w->attr.st_nlink = 0;
3835 else if (!w->attr.st_nlink) 3847 else if (!w->attr.st_nlink)
3836 w->attr.st_nlink = 1; 3848 w->attr.st_nlink = 1;
… …
3875 ev_feed_event (EV_A_ w, EV_STAT); 3887 ev_feed_event (EV_A_ w, EV_STAT);
3876 } 3888 }
3877} 3889}
3878 3890
3879void 3891void
3880ev_stat_start (EV_P_ ev_stat *w) 3892ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3881{ 3893{
3882 if (expect_false (ev_is_active (w))) 3894 if (expect_false (ev_is_active (w)))
3883 return; 3895 return;
3884 3896
3885 ev_stat_stat (EV_A_ w); 3897 ev_stat_stat (EV_A_ w);
… …
3906 3918
3907 EV_FREQUENT_CHECK; 3919 EV_FREQUENT_CHECK;
3908} 3920}
3909 3921
3910void 3922void
3911ev_stat_stop (EV_P_ ev_stat *w) 3923ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3912{ 3924{
3913 clear_pending (EV_A_ (W)w); 3925 clear_pending (EV_A_ (W)w);
3914 if (expect_false (!ev_is_active (w))) 3926 if (expect_false (!ev_is_active (w)))
3915 return; 3927 return;
3916 3928
… …
3932} 3944}
3933#endif 3945#endif
3934 3946
3935#if EV_IDLE_ENABLE 3947#if EV_IDLE_ENABLE
3936void 3948void
3937ev_idle_start (EV_P_ ev_idle *w) 3949ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3938{ 3950{
3939 if (expect_false (ev_is_active (w))) 3951 if (expect_false (ev_is_active (w)))
3940 return; 3952 return;
3941 3953
3942 pri_adjust (EV_A_ (W)w); 3954 pri_adjust (EV_A_ (W)w);
… …
3955 3967
3956 EV_FREQUENT_CHECK; 3968 EV_FREQUENT_CHECK;
3957} 3969}
3958 3970
3959void 3971void
3960ev_idle_stop (EV_P_ ev_idle *w) 3972ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3961{ 3973{
3962 clear_pending (EV_A_ (W)w); 3974 clear_pending (EV_A_ (W)w);
3963 if (expect_false (!ev_is_active (w))) 3975 if (expect_false (!ev_is_active (w)))
3964 return; 3976 return;
3965 3977
… …
3979} 3991}
3980#endif 3992#endif
3981 3993
3982#if EV_PREPARE_ENABLE 3994#if EV_PREPARE_ENABLE
3983void 3995void
3984ev_prepare_start (EV_P_ ev_prepare *w) 3996ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3985{ 3997{
3986 if (expect_false (ev_is_active (w))) 3998 if (expect_false (ev_is_active (w)))
3987 return; 3999 return;
3988 4000
3989 EV_FREQUENT_CHECK; 4001 EV_FREQUENT_CHECK;
… …
3994 4006
3995 EV_FREQUENT_CHECK; 4007 EV_FREQUENT_CHECK;
3996} 4008}
3997 4009
3998void 4010void
3999ev_prepare_stop (EV_P_ ev_prepare *w) 4011ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
4000{ 4012{
4001 clear_pending (EV_A_ (W)w); 4013 clear_pending (EV_A_ (W)w);
4002 if (expect_false (!ev_is_active (w))) 4014 if (expect_false (!ev_is_active (w)))
4003 return; 4015 return;
4004 4016
… …
4017} 4029}
4018#endif 4030#endif
4019 4031
4020#if EV_CHECK_ENABLE 4032#if EV_CHECK_ENABLE
4021void 4033void
4022ev_check_start (EV_P_ ev_check *w) 4034ev_check_start (EV_P_ ev_check *w) EV_THROW
4023{ 4035{
4024 if (expect_false (ev_is_active (w))) 4036 if (expect_false (ev_is_active (w)))
4025 return; 4037 return;
4026 4038
4027 EV_FREQUENT_CHECK; 4039 EV_FREQUENT_CHECK;
… …
4032 4044
4033 EV_FREQUENT_CHECK; 4045 EV_FREQUENT_CHECK;
4034} 4046}
4035 4047
4036void 4048void
4037ev_check_stop (EV_P_ ev_check *w) 4049ev_check_stop (EV_P_ ev_check *w) EV_THROW
4038{ 4050{
4039 clear_pending (EV_A_ (W)w); 4051 clear_pending (EV_A_ (W)w);
4040 if (expect_false (!ev_is_active (w))) 4052 if (expect_false (!ev_is_active (w)))
4041 return; 4053 return;
4042 4054
… …
4055} 4067}
4056#endif 4068#endif
4057 4069
4058#if EV_EMBED_ENABLE 4070#if EV_EMBED_ENABLE
4059void noinline 4071void noinline
4060ev_embed_sweep (EV_P_ ev_embed *w) 4072ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4061{ 4073{
4062 ev_run (w->other, EVRUN_NOWAIT); 4074 ev_run (w->other, EVRUN_NOWAIT);
4063} 4075}
4064 4076
4065static void 4077static void
… …
4113 ev_idle_stop (EV_A_ idle); 4125 ev_idle_stop (EV_A_ idle);
4114} 4126}
4115#endif 4127#endif
4116 4128
4117void 4129void
4118ev_embed_start (EV_P_ ev_embed *w) 4130ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4119{ 4131{
4120 if (expect_false (ev_is_active (w))) 4132 if (expect_false (ev_is_active (w)))
4121 return; 4133 return;
4122 4134
4123 { 4135 {
… …
4144 4156
4145 EV_FREQUENT_CHECK; 4157 EV_FREQUENT_CHECK;
4146} 4158}
4147 4159
4148void 4160void
4149ev_embed_stop (EV_P_ ev_embed *w) 4161ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4150{ 4162{
4151 clear_pending (EV_A_ (W)w); 4163 clear_pending (EV_A_ (W)w);
4152 if (expect_false (!ev_is_active (w))) 4164 if (expect_false (!ev_is_active (w)))
4153 return; 4165 return;
4154 4166
… …
4164} 4176}
4165#endif 4177#endif
4166 4178
4167#if EV_FORK_ENABLE 4179#if EV_FORK_ENABLE
4168void 4180void
4169ev_fork_start (EV_P_ ev_fork *w) 4181ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4170{ 4182{
4171 if (expect_false (ev_is_active (w))) 4183 if (expect_false (ev_is_active (w)))
4172 return; 4184 return;
4173 4185
4174 EV_FREQUENT_CHECK; 4186 EV_FREQUENT_CHECK;
… …
4179 4191
4180 EV_FREQUENT_CHECK; 4192 EV_FREQUENT_CHECK;
4181} 4193}
4182 4194
4183void 4195void
4184ev_fork_stop (EV_P_ ev_fork *w) 4196ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4185{ 4197{
4186 clear_pending (EV_A_ (W)w); 4198 clear_pending (EV_A_ (W)w);
4187 if (expect_false (!ev_is_active (w))) 4199 if (expect_false (!ev_is_active (w)))
4188 return; 4200 return;
4189 4201
… …
4202} 4214}
4203#endif 4215#endif
4204 4216
4205#if EV_CLEANUP_ENABLE 4217#if EV_CLEANUP_ENABLE
4206void 4218void
4207ev_cleanup_start (EV_P_ ev_cleanup *w) 4219ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4208{ 4220{
4209 if (expect_false (ev_is_active (w))) 4221 if (expect_false (ev_is_active (w)))
4210 return; 4222 return;
4211 4223
4212 EV_FREQUENT_CHECK; 4224 EV_FREQUENT_CHECK;
… …
4219 ev_unref (EV_A); 4231 ev_unref (EV_A);
4220 EV_FREQUENT_CHECK; 4232 EV_FREQUENT_CHECK;
4221} 4233}
4222 4234
4223void 4235void
4224ev_cleanup_stop (EV_P_ ev_cleanup *w) 4236ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4225{ 4237{
4226 clear_pending (EV_A_ (W)w); 4238 clear_pending (EV_A_ (W)w);
4227 if (expect_false (!ev_is_active (w))) 4239 if (expect_false (!ev_is_active (w)))
4228 return; 4240 return;
4229 4241
… …
4243} 4255}
4244#endif 4256#endif
4245 4257
4246#if EV_ASYNC_ENABLE 4258#if EV_ASYNC_ENABLE
4247void 4259void
4248ev_async_start (EV_P_ ev_async *w) 4260ev_async_start (EV_P_ ev_async *w) EV_THROW
4249{ 4261{
4250 if (expect_false (ev_is_active (w))) 4262 if (expect_false (ev_is_active (w)))
4251 return; 4263 return;
4252 4264
4253 w->sent = 0; 4265 w->sent = 0;
… …
4262 4274
4263 EV_FREQUENT_CHECK; 4275 EV_FREQUENT_CHECK;
4264} 4276}
4265 4277
4266void 4278void
4267ev_async_stop (EV_P_ ev_async *w) 4279ev_async_stop (EV_P_ ev_async *w) EV_THROW
4268{ 4280{
4269 clear_pending (EV_A_ (W)w); 4281 clear_pending (EV_A_ (W)w);
4270 if (expect_false (!ev_is_active (w))) 4282 if (expect_false (!ev_is_active (w)))
4271 return; 4283 return;
4272 4284
… …
4283 4295
4284 EV_FREQUENT_CHECK; 4296 EV_FREQUENT_CHECK;
4285} 4297}
4286 4298
4287void 4299void
4288ev_async_send (EV_P_ ev_async *w) 4300ev_async_send (EV_P_ ev_async *w) EV_THROW
4289{ 4301{
4290 w->sent = 1; 4302 w->sent = 1;
4291 evpipe_write (EV_A_ &async_pending); 4303 evpipe_write (EV_A_ &async_pending);
4292} 4304}
4293#endif 4305#endif
… …
4330 4342
4331 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4343 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4332} 4344}
4333 4345
4334void 4346void
4335ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4347ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4336{ 4348{
4337 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4349 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4338 4350
4339 if (expect_false (!once)) 4351 if (expect_false (!once))
4340 { 4352 {
… …
4362 4374
4363/*****************************************************************************/ 4375/*****************************************************************************/
4364 4376
4365#if EV_WALK_ENABLE 4377#if EV_WALK_ENABLE
4366void ecb_cold 4378void ecb_cold
4367ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4379ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4368{ 4380{
4369 int i, j; 4381 int i, j;
4370 ev_watcher_list *wl, *wn; 4382 ev_watcher_list *wl, *wn;
4371 4383
4372 if (types & (EV_IO | EV_EMBED)) 4384 if (types & (EV_IO | EV_EMBED))

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