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Comparing libev/ev.c (file contents):
Revision 1.412 by root, Wed Feb 22 01:53:00 2012 UTC vs.
Revision 1.433 by root, Tue May 15 13:03:20 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
… …
201# include <sys/wait.h> 201# include <sys/wait.h>
202# include <unistd.h> 202# include <unistd.h>
203#else 203#else
204# include <io.h> 204# include <io.h>
205# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <winsock2.h>
206# include <windows.h> 207# include <windows.h>
207# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
208# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
209# endif 210# endif
210# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
… …
219#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
220 221
221/* this block tries to deduce configuration from header-defined symbols and defaults */ 222/* this block tries to deduce configuration from header-defined symbols and defaults */
222 223
223/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
224#if defined (EV_NSIG) 225#if defined EV_NSIG
225/* use what's provided */ 226/* use what's provided */
226#elif defined (NSIG) 227#elif defined NSIG
227# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
228#elif defined(_NSIG) 229#elif defined _NSIG
229# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
230#elif defined (SIGMAX) 231#elif defined SIGMAX
231# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
232#elif defined (SIG_MAX) 233#elif defined SIG_MAX
233# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
234#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
235# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
236#elif defined (MAXSIG) 237#elif defined MAXSIG
237# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
238#elif defined (MAX_SIG) 239#elif defined MAX_SIG
239# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
240#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
241# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
242#elif defined (_sys_nsig) 243#elif defined _sys_nsig
243# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
244#else 245#else
245# error "unable to find value for NSIG, please report" 246# error "unable to find value for NSIG, please report"
246/* to make it compile regardless, just remove the above line, */ 247/* to make it compile regardless, just remove the above line, */
247/* but consider reporting it, too! :) */ 248/* but consider reporting it, too! :) */
… …
259# define EV_USE_CLOCK_SYSCALL 0 260# define EV_USE_CLOCK_SYSCALL 0
260# endif 261# endif
261#endif 262#endif
262 263
263#ifndef EV_USE_MONOTONIC 264#ifndef EV_USE_MONOTONIC
264# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 265# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
265# define EV_USE_MONOTONIC EV_FEATURE_OS 266# define EV_USE_MONOTONIC EV_FEATURE_OS
266# else 267# else
267# define EV_USE_MONOTONIC 0 268# define EV_USE_MONOTONIC 0
268# endif 269# endif
269#endif 270#endif
… …
359#endif 360#endif
360 361
361/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 362/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
362/* which makes programs even slower. might work on other unices, too. */ 363/* which makes programs even slower. might work on other unices, too. */
363#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
364# include <syscall.h> 365# include <sys/syscall.h>
365# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
366# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
368# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
369# else 370# else
… …
395# define EV_USE_INOTIFY 0 396# define EV_USE_INOTIFY 0
396#endif 397#endif
397 398
398#if !EV_USE_NANOSLEEP 399#if !EV_USE_NANOSLEEP
399/* hp-ux has it in sys/time.h, which we unconditionally include above */ 400/* hp-ux has it in sys/time.h, which we unconditionally include above */
400# if !defined(_WIN32) && !defined(__hpux) 401# if !defined _WIN32 && !defined __hpux
401# include <sys/select.h> 402# include <sys/select.h>
402# endif 403# endif
403#endif 404#endif
404 405
405#if EV_USE_INOTIFY 406#if EV_USE_INOTIFY
… …
408/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 409/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
409# ifndef IN_DONT_FOLLOW 410# ifndef IN_DONT_FOLLOW
410# undef EV_USE_INOTIFY 411# undef EV_USE_INOTIFY
411# define EV_USE_INOTIFY 0 412# define EV_USE_INOTIFY 0
412# endif 413# endif
413#endif
414
415#if EV_SELECT_IS_WINSOCKET
416# include <winsock.h>
417#endif 414#endif
418 415
419#if EV_USE_EVENTFD 416#if EV_USE_EVENTFD
420/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
421# include <stdint.h> 418# include <stdint.h>
… …
533 * or so. 530 * or so.
534 * we try to detect these and simply assume they are not gcc - if they have 531 * 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. 532 * an issue with that they should have done it right in the first place.
536 */ 533 */
537#ifndef ECB_GCC_VERSION 534#ifndef ECB_GCC_VERSION
538 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 535 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
539 #define ECB_GCC_VERSION(major,minor) 0 536 #define ECB_GCC_VERSION(major,minor) 0
540 #else 537 #else
541 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 538 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
542 #endif 539 #endif
543#endif 540#endif
… …
554#if ECB_NO_THREADS || ECB_NO_SMP 551#if ECB_NO_THREADS || ECB_NO_SMP
555 #define ECB_MEMORY_FENCE do { } while (0) 552 #define ECB_MEMORY_FENCE do { } while (0)
556#endif 553#endif
557 554
558#ifndef ECB_MEMORY_FENCE 555#ifndef ECB_MEMORY_FENCE
559 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 556 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560 #if __i386 || __i386__ 557 #if __i386 || __i386__
561 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 558 #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 */ 559 #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 */ 560 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 561 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 563 #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 */ 564 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 565 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 566 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 567 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 568 || 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") 569 #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__ ) \ 570 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 571 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 572 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576 #elif __sparc || __sparc__ 573 #elif __sparc || __sparc__
577 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") 574 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
578 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 575 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 576 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580 #elif defined(__s390__) || defined(__s390x__) 577 #elif defined __s390__ || defined __s390x__
581 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") 578 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582 #elif defined(__mips__) 579 #elif defined __mips__
583 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 580 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
581 #elif defined __alpha__
582 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
584 #endif 583 #endif
585 #endif 584 #endif
586#endif 585#endif
587 586
588#ifndef ECB_MEMORY_FENCE 587#ifndef ECB_MEMORY_FENCE
589 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 588 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
590 #define ECB_MEMORY_FENCE __sync_synchronize () 589 #define ECB_MEMORY_FENCE __sync_synchronize ()
591 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ 590 /*#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 ); }) */ 591 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
593 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 592 #elif _MSC_VER >= 1400 /* VC++ 2005 */
594 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 593 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
595 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 594 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
596 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 595 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
597 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 596 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
598 #elif defined(_WIN32) 597 #elif defined _WIN32
599 #include <WinNT.h> 598 #include <WinNT.h>
600 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 599 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
601 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 600 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
602 #include <mbarrier.h> 601 #include <mbarrier.h>
603 #define ECB_MEMORY_FENCE __machine_rw_barrier () 602 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
604 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 603 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
605 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 604 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
605 #elif __xlC__
606 #define ECB_MEMORY_FENCE __sync ()
606 #endif 607 #endif
607#endif 608#endif
608 609
609#ifndef ECB_MEMORY_FENCE 610#ifndef ECB_MEMORY_FENCE
610 #if !ECB_AVOID_PTHREADS 611 #if !ECB_AVOID_PTHREADS
… …
622 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 623 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
623 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 624 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
624 #endif 625 #endif
625#endif 626#endif
626 627
627#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 628#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
628 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 629 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
629#endif 630#endif
630 631
631#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
632 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
633#endif 634#endif
634 635
635/*****************************************************************************/ 636/*****************************************************************************/
636 637
… …
1101{ 1102{
1102 write (STDERR_FILENO, msg, strlen (msg)); 1103 write (STDERR_FILENO, msg, strlen (msg));
1103} 1104}
1104#endif 1105#endif
1105 1106
1106static void (*syserr_cb)(const char *msg); 1107static void (*syserr_cb)(const char *msg) EV_THROW;
1107 1108
1108void ecb_cold 1109void ecb_cold
1109ev_set_syserr_cb (void (*cb)(const char *msg)) 1110ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1110{ 1111{
1111 syserr_cb = cb; 1112 syserr_cb = cb;
1112} 1113}
1113 1114
1114static void noinline ecb_cold 1115static void noinline ecb_cold
… …
1150 free (ptr); 1151 free (ptr);
1151 return 0; 1152 return 0;
1152#endif 1153#endif
1153} 1154}
1154 1155
1155static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1156static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1156 1157
1157void ecb_cold 1158void ecb_cold
1158ev_set_allocator (void *(*cb)(void *ptr, long size)) 1159ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1159{ 1160{
1160 alloc = cb; 1161 alloc = cb;
1161} 1162}
1162 1163
1163inline_speed void * 1164inline_speed void *
… …
1280 1281
1281/*****************************************************************************/ 1282/*****************************************************************************/
1282 1283
1283#ifndef EV_HAVE_EV_TIME 1284#ifndef EV_HAVE_EV_TIME
1284ev_tstamp 1285ev_tstamp
1285ev_time (void) 1286ev_time (void) EV_THROW
1286{ 1287{
1287#if EV_USE_REALTIME 1288#if EV_USE_REALTIME
1288 if (expect_true (have_realtime)) 1289 if (expect_true (have_realtime))
1289 { 1290 {
1290 struct timespec ts; 1291 struct timespec ts;
… …
1314 return ev_time (); 1315 return ev_time ();
1315} 1316}
1316 1317
1317#if EV_MULTIPLICITY 1318#if EV_MULTIPLICITY
1318ev_tstamp 1319ev_tstamp
1319ev_now (EV_P) 1320ev_now (EV_P) EV_THROW
1320{ 1321{
1321 return ev_rt_now; 1322 return ev_rt_now;
1322} 1323}
1323#endif 1324#endif
1324 1325
1325void 1326void
1326ev_sleep (ev_tstamp delay) 1327ev_sleep (ev_tstamp delay) EV_THROW
1327{ 1328{
1328 if (delay > 0.) 1329 if (delay > 0.)
1329 { 1330 {
1330#if EV_USE_NANOSLEEP 1331#if EV_USE_NANOSLEEP
1331 struct timespec ts; 1332 struct timespec ts;
1332 1333
1333 EV_TS_SET (ts, delay); 1334 EV_TS_SET (ts, delay);
1334 nanosleep (&ts, 0); 1335 nanosleep (&ts, 0);
1335#elif defined(_WIN32) 1336#elif defined _WIN32
1336 Sleep ((unsigned long)(delay * 1e3)); 1337 Sleep ((unsigned long)(delay * 1e3));
1337#else 1338#else
1338 struct timeval tv; 1339 struct timeval tv;
1339 1340
1340 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1341 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
1412pendingcb (EV_P_ ev_prepare *w, int revents) 1413pendingcb (EV_P_ ev_prepare *w, int revents)
1413{ 1414{
1414} 1415}
1415 1416
1416void noinline 1417void noinline
1417ev_feed_event (EV_P_ void *w, int revents) 1418ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1418{ 1419{
1419 W w_ = (W)w; 1420 W w_ = (W)w;
1420 int pri = ABSPRI (w_); 1421 int pri = ABSPRI (w_);
1421 1422
1422 if (expect_false (w_->pending)) 1423 if (expect_false (w_->pending))
… …
1426 w_->pending = ++pendingcnt [pri]; 1427 w_->pending = ++pendingcnt [pri];
1427 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1428 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1428 pendings [pri][w_->pending - 1].w = w_; 1429 pendings [pri][w_->pending - 1].w = w_;
1429 pendings [pri][w_->pending - 1].events = revents; 1430 pendings [pri][w_->pending - 1].events = revents;
1430 } 1431 }
1432
1433 pendingpri = NUMPRI - 1;
1431} 1434}
1432 1435
1433inline_speed void 1436inline_speed void
1434feed_reverse (EV_P_ W w) 1437feed_reverse (EV_P_ W w)
1435{ 1438{
… …
1481 if (expect_true (!anfd->reify)) 1484 if (expect_true (!anfd->reify))
1482 fd_event_nocheck (EV_A_ fd, revents); 1485 fd_event_nocheck (EV_A_ fd, revents);
1483} 1486}
1484 1487
1485void 1488void
1486ev_feed_fd_event (EV_P_ int fd, int revents) 1489ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1487{ 1490{
1488 if (fd >= 0 && fd < anfdmax) 1491 if (fd >= 0 && fd < anfdmax)
1489 fd_event_nocheck (EV_A_ fd, revents); 1492 fd_event_nocheck (EV_A_ fd, revents);
1490} 1493}
1491 1494
… …
1840} 1843}
1841 1844
1842inline_speed void 1845inline_speed void
1843evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1846evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1844{ 1847{
1848 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1849
1845 if (expect_true (*flag)) 1850 if (expect_true (*flag))
1846 return; 1851 return;
1847 1852
1848 *flag = 1; 1853 *flag = 1;
1849 1854
… …
1868 write (evfd, &counter, sizeof (uint64_t)); 1873 write (evfd, &counter, sizeof (uint64_t));
1869 } 1874 }
1870 else 1875 else
1871#endif 1876#endif
1872 { 1877 {
1873 /* win32 people keep sending patches that change this write() to send() */ 1878#ifdef _WIN32
1874 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1879 WSABUF buf;
1875 /* so when you think this write should be a send instead, please find out */ 1880 DWORD sent;
1876 /* where your send() is from - it's definitely not the microsoft send, and */ 1881 buf.buf = &buf;
1877 /* tell me. thank you. */ 1882 buf.len = 1;
1878 /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */ 1883 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1879 /* check the ev documentation on how to use this flag */ 1884#else
1880 write (evpipe [1], &(evpipe [1]), 1); 1885 write (evpipe [1], &(evpipe [1]), 1);
1886#endif
1881 } 1887 }
1882 1888
1883 errno = old_errno; 1889 errno = old_errno;
1884 } 1890 }
1885} 1891}
… …
1900 read (evfd, &counter, sizeof (uint64_t)); 1906 read (evfd, &counter, sizeof (uint64_t));
1901 } 1907 }
1902 else 1908 else
1903#endif 1909#endif
1904 { 1910 {
1905 char dummy; 1911 char dummy[4];
1906 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1912#ifdef _WIN32
1913 WSABUF buf;
1914 DWORD recvd;
1915 DWORD flags = 0;
1916 buf.buf = dummy;
1917 buf.len = sizeof (dummy);
1918 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
1919#else
1907 read (evpipe [0], &dummy, 1); 1920 read (evpipe [0], &dummy, sizeof (dummy));
1921#endif
1908 } 1922 }
1909 } 1923 }
1910 1924
1911 pipe_write_skipped = 0; 1925 pipe_write_skipped = 0;
1926
1927 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1912 1928
1913#if EV_SIGNAL_ENABLE 1929#if EV_SIGNAL_ENABLE
1914 if (sig_pending) 1930 if (sig_pending)
1915 { 1931 {
1916 sig_pending = 0; 1932 sig_pending = 0;
1933
1934 ECB_MEMORY_FENCE_RELEASE;
1917 1935
1918 for (i = EV_NSIG - 1; i--; ) 1936 for (i = EV_NSIG - 1; i--; )
1919 if (expect_false (signals [i].pending)) 1937 if (expect_false (signals [i].pending))
1920 ev_feed_signal_event (EV_A_ i + 1); 1938 ev_feed_signal_event (EV_A_ i + 1);
1921 } 1939 }
… …
1923 1941
1924#if EV_ASYNC_ENABLE 1942#if EV_ASYNC_ENABLE
1925 if (async_pending) 1943 if (async_pending)
1926 { 1944 {
1927 async_pending = 0; 1945 async_pending = 0;
1946
1947 ECB_MEMORY_FENCE_RELEASE;
1928 1948
1929 for (i = asynccnt; i--; ) 1949 for (i = asynccnt; i--; )
1930 if (asyncs [i]->sent) 1950 if (asyncs [i]->sent)
1931 { 1951 {
1932 asyncs [i]->sent = 0; 1952 asyncs [i]->sent = 0;
… …
1937} 1957}
1938 1958
1939/*****************************************************************************/ 1959/*****************************************************************************/
1940 1960
1941void 1961void
1942ev_feed_signal (int signum) 1962ev_feed_signal (int signum) EV_THROW
1943{ 1963{
1944#if EV_MULTIPLICITY 1964#if EV_MULTIPLICITY
1945 EV_P = signals [signum - 1].loop; 1965 EV_P = signals [signum - 1].loop;
1946 1966
1947 if (!EV_A) 1967 if (!EV_A)
… …
1964 1984
1965 ev_feed_signal (signum); 1985 ev_feed_signal (signum);
1966} 1986}
1967 1987
1968void noinline 1988void noinline
1969ev_feed_signal_event (EV_P_ int signum) 1989ev_feed_signal_event (EV_P_ int signum) EV_THROW
1970{ 1990{
1971 WL w; 1991 WL w;
1972 1992
1973 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1993 if (expect_false (signum <= 0 || signum > EV_NSIG))
1974 return; 1994 return;
… …
2090#if EV_USE_SELECT 2110#if EV_USE_SELECT
2091# include "ev_select.c" 2111# include "ev_select.c"
2092#endif 2112#endif
2093 2113
2094int ecb_cold 2114int ecb_cold
2095ev_version_major (void) 2115ev_version_major (void) EV_THROW
2096{ 2116{
2097 return EV_VERSION_MAJOR; 2117 return EV_VERSION_MAJOR;
2098} 2118}
2099 2119
2100int ecb_cold 2120int ecb_cold
2101ev_version_minor (void) 2121ev_version_minor (void) EV_THROW
2102{ 2122{
2103 return EV_VERSION_MINOR; 2123 return EV_VERSION_MINOR;
2104} 2124}
2105 2125
2106/* return true if we are running with elevated privileges and should ignore env variables */ 2126/* return true if we are running with elevated privileges and should ignore env variables */
… …
2114 || getgid () != getegid (); 2134 || getgid () != getegid ();
2115#endif 2135#endif
2116} 2136}
2117 2137
2118unsigned int ecb_cold 2138unsigned int ecb_cold
2119ev_supported_backends (void) 2139ev_supported_backends (void) EV_THROW
2120{ 2140{
2121 unsigned int flags = 0; 2141 unsigned int flags = 0;
2122 2142
2123 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2143 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2124 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2144 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2128 2148
2129 return flags; 2149 return flags;
2130} 2150}
2131 2151
2132unsigned int ecb_cold 2152unsigned int ecb_cold
2133ev_recommended_backends (void) 2153ev_recommended_backends (void) EV_THROW
2134{ 2154{
2135 unsigned int flags = ev_supported_backends (); 2155 unsigned int flags = ev_supported_backends ();
2136 2156
2137#ifndef __NetBSD__ 2157#ifndef __NetBSD__
2138 /* kqueue is borked on everything but netbsd apparently */ 2158 /* kqueue is borked on everything but netbsd apparently */
… …
2150 2170
2151 return flags; 2171 return flags;
2152} 2172}
2153 2173
2154unsigned int ecb_cold 2174unsigned int ecb_cold
2155ev_embeddable_backends (void) 2175ev_embeddable_backends (void) EV_THROW
2156{ 2176{
2157 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2177 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2158 2178
2159 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2179 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2160 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2180 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2162 2182
2163 return flags; 2183 return flags;
2164} 2184}
2165 2185
2166unsigned int 2186unsigned int
2167ev_backend (EV_P) 2187ev_backend (EV_P) EV_THROW
2168{ 2188{
2169 return backend; 2189 return backend;
2170} 2190}
2171 2191
2172#if EV_FEATURE_API 2192#if EV_FEATURE_API
2173unsigned int 2193unsigned int
2174ev_iteration (EV_P) 2194ev_iteration (EV_P) EV_THROW
2175{ 2195{
2176 return loop_count; 2196 return loop_count;
2177} 2197}
2178 2198
2179unsigned int 2199unsigned int
2180ev_depth (EV_P) 2200ev_depth (EV_P) EV_THROW
2181{ 2201{
2182 return loop_depth; 2202 return loop_depth;
2183} 2203}
2184 2204
2185void 2205void
2186ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2206ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2187{ 2207{
2188 io_blocktime = interval; 2208 io_blocktime = interval;
2189} 2209}
2190 2210
2191void 2211void
2192ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2212ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2193{ 2213{
2194 timeout_blocktime = interval; 2214 timeout_blocktime = interval;
2195} 2215}
2196 2216
2197void 2217void
2198ev_set_userdata (EV_P_ void *data) 2218ev_set_userdata (EV_P_ void *data) EV_THROW
2199{ 2219{
2200 userdata = data; 2220 userdata = data;
2201} 2221}
2202 2222
2203void * 2223void *
2204ev_userdata (EV_P) 2224ev_userdata (EV_P) EV_THROW
2205{ 2225{
2206 return userdata; 2226 return userdata;
2207} 2227}
2208 2228
2209void 2229void
2210ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2230ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2211{ 2231{
2212 invoke_cb = invoke_pending_cb; 2232 invoke_cb = invoke_pending_cb;
2213} 2233}
2214 2234
2215void 2235void
2216ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2236ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2217{ 2237{
2218 release_cb = release; 2238 release_cb = release;
2219 acquire_cb = acquire; 2239 acquire_cb = acquire;
2220} 2240}
2221#endif 2241#endif
2222 2242
2223/* initialise a loop structure, must be zero-initialised */ 2243/* initialise a loop structure, must be zero-initialised */
2224static void noinline ecb_cold 2244static void noinline ecb_cold
2225loop_init (EV_P_ unsigned int flags) 2245loop_init (EV_P_ unsigned int flags) EV_THROW
2226{ 2246{
2227 if (!backend) 2247 if (!backend)
2228 { 2248 {
2229 origflags = flags; 2249 origflags = flags;
2230 2250
… …
2335 EV_INVOKE_PENDING; 2355 EV_INVOKE_PENDING;
2336 } 2356 }
2337#endif 2357#endif
2338 2358
2339#if EV_CHILD_ENABLE 2359#if EV_CHILD_ENABLE
2340 if (ev_is_active (&childev)) 2360 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2341 { 2361 {
2342 ev_ref (EV_A); /* child watcher */ 2362 ev_ref (EV_A); /* child watcher */
2343 ev_signal_stop (EV_A_ &childev); 2363 ev_signal_stop (EV_A_ &childev);
2344 } 2364 }
2345#endif 2365#endif
… …
2483} 2503}
2484 2504
2485#if EV_MULTIPLICITY 2505#if EV_MULTIPLICITY
2486 2506
2487struct ev_loop * ecb_cold 2507struct ev_loop * ecb_cold
2488ev_loop_new (unsigned int flags) 2508ev_loop_new (unsigned int flags) EV_THROW
2489{ 2509{
2490 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2510 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2491 2511
2492 memset (EV_A, 0, sizeof (struct ev_loop)); 2512 memset (EV_A, 0, sizeof (struct ev_loop));
2493 loop_init (EV_A_ flags); 2513 loop_init (EV_A_ flags);
… …
2537} 2557}
2538#endif 2558#endif
2539 2559
2540#if EV_FEATURE_API 2560#if EV_FEATURE_API
2541void ecb_cold 2561void ecb_cold
2542ev_verify (EV_P) 2562ev_verify (EV_P) EV_THROW
2543{ 2563{
2544#if EV_VERIFY 2564#if EV_VERIFY
2545 int i; 2565 int i;
2546 WL w; 2566 WL w, w2;
2547 2567
2548 assert (activecnt >= -1); 2568 assert (activecnt >= -1);
2549 2569
2550 assert (fdchangemax >= fdchangecnt); 2570 assert (fdchangemax >= fdchangecnt);
2551 for (i = 0; i < fdchangecnt; ++i) 2571 for (i = 0; i < fdchangecnt; ++i)
2552 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2572 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2553 2573
2554 assert (anfdmax >= 0); 2574 assert (anfdmax >= 0);
2555 for (i = 0; i < anfdmax; ++i) 2575 for (i = 0; i < anfdmax; ++i)
2576 {
2577 int j = 0;
2578
2556 for (w = anfds [i].head; w; w = w->next) 2579 for (w = w2 = anfds [i].head; w; w = w->next)
2557 { 2580 {
2558 verify_watcher (EV_A_ (W)w); 2581 verify_watcher (EV_A_ (W)w);
2582
2583 if (j++ & 1)
2584 {
2585 assert (("libev: io watcher list contains a loop", w != w2));
2586 w2 = w2->next;
2587 }
2588
2559 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2589 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2560 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2590 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2561 } 2591 }
2592 }
2562 2593
2563 assert (timermax >= timercnt); 2594 assert (timermax >= timercnt);
2564 verify_heap (EV_A_ timers, timercnt); 2595 verify_heap (EV_A_ timers, timercnt);
2565 2596
2566#if EV_PERIODIC_ENABLE 2597#if EV_PERIODIC_ENABLE
… …
2616#if EV_MULTIPLICITY 2647#if EV_MULTIPLICITY
2617struct ev_loop * ecb_cold 2648struct ev_loop * ecb_cold
2618#else 2649#else
2619int 2650int
2620#endif 2651#endif
2621ev_default_loop (unsigned int flags) 2652ev_default_loop (unsigned int flags) EV_THROW
2622{ 2653{
2623 if (!ev_default_loop_ptr) 2654 if (!ev_default_loop_ptr)
2624 { 2655 {
2625#if EV_MULTIPLICITY 2656#if EV_MULTIPLICITY
2626 EV_P = ev_default_loop_ptr = &default_loop_struct; 2657 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2645 2676
2646 return ev_default_loop_ptr; 2677 return ev_default_loop_ptr;
2647} 2678}
2648 2679
2649void 2680void
2650ev_loop_fork (EV_P) 2681ev_loop_fork (EV_P) EV_THROW
2651{ 2682{
2652 postfork = 1; /* must be in line with ev_default_fork */ 2683 postfork = 1; /* must be in line with ev_default_fork */
2653} 2684}
2654 2685
2655/*****************************************************************************/ 2686/*****************************************************************************/
… …
2659{ 2690{
2660 EV_CB_INVOKE ((W)w, revents); 2691 EV_CB_INVOKE ((W)w, revents);
2661} 2692}
2662 2693
2663unsigned int 2694unsigned int
2664ev_pending_count (EV_P) 2695ev_pending_count (EV_P) EV_THROW
2665{ 2696{
2666 int pri; 2697 int pri;
2667 unsigned int count = 0; 2698 unsigned int count = 0;
2668 2699
2669 for (pri = NUMPRI; pri--; ) 2700 for (pri = NUMPRI; pri--; )
… …
2673} 2704}
2674 2705
2675void noinline 2706void noinline
2676ev_invoke_pending (EV_P) 2707ev_invoke_pending (EV_P)
2677{ 2708{
2678 int pri; 2709 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2679
2680 for (pri = NUMPRI; pri--; )
2681 while (pendingcnt [pri]) 2710 while (pendingcnt [pendingpri])
2682 { 2711 {
2683 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2712 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2684 2713
2685 p->w->pending = 0; 2714 p->w->pending = 0;
2686 EV_CB_INVOKE (p->w, p->events); 2715 EV_CB_INVOKE (p->w, p->events);
2687 EV_FREQUENT_CHECK; 2716 EV_FREQUENT_CHECK;
2688 } 2717 }
… …
2928 2957
2929 mn_now = ev_rt_now; 2958 mn_now = ev_rt_now;
2930 } 2959 }
2931} 2960}
2932 2961
2933void 2962int
2934ev_run (EV_P_ int flags) 2963ev_run (EV_P_ int flags)
2935{ 2964{
2936#if EV_FEATURE_API 2965#if EV_FEATURE_API
2937 ++loop_depth; 2966 ++loop_depth;
2938#endif 2967#endif
… …
3095 loop_done = EVBREAK_CANCEL; 3124 loop_done = EVBREAK_CANCEL;
3096 3125
3097#if EV_FEATURE_API 3126#if EV_FEATURE_API
3098 --loop_depth; 3127 --loop_depth;
3099#endif 3128#endif
3129
3130 return activecnt;
3100} 3131}
3101 3132
3102void 3133void
3103ev_break (EV_P_ int how) 3134ev_break (EV_P_ int how) EV_THROW
3104{ 3135{
3105 loop_done = how; 3136 loop_done = how;
3106} 3137}
3107 3138
3108void 3139void
3109ev_ref (EV_P) 3140ev_ref (EV_P) EV_THROW
3110{ 3141{
3111 ++activecnt; 3142 ++activecnt;
3112} 3143}
3113 3144
3114void 3145void
3115ev_unref (EV_P) 3146ev_unref (EV_P) EV_THROW
3116{ 3147{
3117 --activecnt; 3148 --activecnt;
3118} 3149}
3119 3150
3120void 3151void
3121ev_now_update (EV_P) 3152ev_now_update (EV_P) EV_THROW
3122{ 3153{
3123 time_update (EV_A_ 1e100); 3154 time_update (EV_A_ 1e100);
3124} 3155}
3125 3156
3126void 3157void
3127ev_suspend (EV_P) 3158ev_suspend (EV_P) EV_THROW
3128{ 3159{
3129 ev_now_update (EV_A); 3160 ev_now_update (EV_A);
3130} 3161}
3131 3162
3132void 3163void
3133ev_resume (EV_P) 3164ev_resume (EV_P) EV_THROW
3134{ 3165{
3135 ev_tstamp mn_prev = mn_now; 3166 ev_tstamp mn_prev = mn_now;
3136 3167
3137 ev_now_update (EV_A); 3168 ev_now_update (EV_A);
3138 timers_reschedule (EV_A_ mn_now - mn_prev); 3169 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3177 w->pending = 0; 3208 w->pending = 0;
3178 } 3209 }
3179} 3210}
3180 3211
3181int 3212int
3182ev_clear_pending (EV_P_ void *w) 3213ev_clear_pending (EV_P_ void *w) EV_THROW
3183{ 3214{
3184 W w_ = (W)w; 3215 W w_ = (W)w;
3185 int pending = w_->pending; 3216 int pending = w_->pending;
3186 3217
3187 if (expect_true (pending)) 3218 if (expect_true (pending))
… …
3220} 3251}
3221 3252
3222/*****************************************************************************/ 3253/*****************************************************************************/
3223 3254
3224void noinline 3255void noinline
3225ev_io_start (EV_P_ ev_io *w) 3256ev_io_start (EV_P_ ev_io *w) EV_THROW
3226{ 3257{
3227 int fd = w->fd; 3258 int fd = w->fd;
3228 3259
3229 if (expect_false (ev_is_active (w))) 3260 if (expect_false (ev_is_active (w)))
3230 return; 3261 return;
… …
3236 3267
3237 ev_start (EV_A_ (W)w, 1); 3268 ev_start (EV_A_ (W)w, 1);
3238 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3269 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3239 wlist_add (&anfds[fd].head, (WL)w); 3270 wlist_add (&anfds[fd].head, (WL)w);
3240 3271
3272 /* common bug, apparently */
3273 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3274
3241 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3275 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3242 w->events &= ~EV__IOFDSET; 3276 w->events &= ~EV__IOFDSET;
3243 3277
3244 EV_FREQUENT_CHECK; 3278 EV_FREQUENT_CHECK;
3245} 3279}
3246 3280
3247void noinline 3281void noinline
3248ev_io_stop (EV_P_ ev_io *w) 3282ev_io_stop (EV_P_ ev_io *w) EV_THROW
3249{ 3283{
3250 clear_pending (EV_A_ (W)w); 3284 clear_pending (EV_A_ (W)w);
3251 if (expect_false (!ev_is_active (w))) 3285 if (expect_false (!ev_is_active (w)))
3252 return; 3286 return;
3253 3287
… …
3262 3296
3263 EV_FREQUENT_CHECK; 3297 EV_FREQUENT_CHECK;
3264} 3298}
3265 3299
3266void noinline 3300void noinline
3267ev_timer_start (EV_P_ ev_timer *w) 3301ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3268{ 3302{
3269 if (expect_false (ev_is_active (w))) 3303 if (expect_false (ev_is_active (w)))
3270 return; 3304 return;
3271 3305
3272 ev_at (w) += mn_now; 3306 ev_at (w) += mn_now;
… …
3286 3320
3287 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3321 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3288} 3322}
3289 3323
3290void noinline 3324void noinline
3291ev_timer_stop (EV_P_ ev_timer *w) 3325ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3292{ 3326{
3293 clear_pending (EV_A_ (W)w); 3327 clear_pending (EV_A_ (W)w);
3294 if (expect_false (!ev_is_active (w))) 3328 if (expect_false (!ev_is_active (w)))
3295 return; 3329 return;
3296 3330
… …
3316 3350
3317 EV_FREQUENT_CHECK; 3351 EV_FREQUENT_CHECK;
3318} 3352}
3319 3353
3320void noinline 3354void noinline
3321ev_timer_again (EV_P_ ev_timer *w) 3355ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3322{ 3356{
3323 EV_FREQUENT_CHECK; 3357 EV_FREQUENT_CHECK;
3324 3358
3325 clear_pending (EV_A_ (W)w); 3359 clear_pending (EV_A_ (W)w);
3326 3360
… …
3343 3377
3344 EV_FREQUENT_CHECK; 3378 EV_FREQUENT_CHECK;
3345} 3379}
3346 3380
3347ev_tstamp 3381ev_tstamp
3348ev_timer_remaining (EV_P_ ev_timer *w) 3382ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3349{ 3383{
3350 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3384 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3351} 3385}
3352 3386
3353#if EV_PERIODIC_ENABLE 3387#if EV_PERIODIC_ENABLE
3354void noinline 3388void noinline
3355ev_periodic_start (EV_P_ ev_periodic *w) 3389ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3356{ 3390{
3357 if (expect_false (ev_is_active (w))) 3391 if (expect_false (ev_is_active (w)))
3358 return; 3392 return;
3359 3393
3360 if (w->reschedule_cb) 3394 if (w->reschedule_cb)
… …
3380 3414
3381 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3415 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3382} 3416}
3383 3417
3384void noinline 3418void noinline
3385ev_periodic_stop (EV_P_ ev_periodic *w) 3419ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3386{ 3420{
3387 clear_pending (EV_A_ (W)w); 3421 clear_pending (EV_A_ (W)w);
3388 if (expect_false (!ev_is_active (w))) 3422 if (expect_false (!ev_is_active (w)))
3389 return; 3423 return;
3390 3424
… …
3408 3442
3409 EV_FREQUENT_CHECK; 3443 EV_FREQUENT_CHECK;
3410} 3444}
3411 3445
3412void noinline 3446void noinline
3413ev_periodic_again (EV_P_ ev_periodic *w) 3447ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3414{ 3448{
3415 /* TODO: use adjustheap and recalculation */ 3449 /* TODO: use adjustheap and recalculation */
3416 ev_periodic_stop (EV_A_ w); 3450 ev_periodic_stop (EV_A_ w);
3417 ev_periodic_start (EV_A_ w); 3451 ev_periodic_start (EV_A_ w);
3418} 3452}
… …
3423#endif 3457#endif
3424 3458
3425#if EV_SIGNAL_ENABLE 3459#if EV_SIGNAL_ENABLE
3426 3460
3427void noinline 3461void noinline
3428ev_signal_start (EV_P_ ev_signal *w) 3462ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3429{ 3463{
3430 if (expect_false (ev_is_active (w))) 3464 if (expect_false (ev_is_active (w)))
3431 return; 3465 return;
3432 3466
3433 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3467 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3504 3538
3505 EV_FREQUENT_CHECK; 3539 EV_FREQUENT_CHECK;
3506} 3540}
3507 3541
3508void noinline 3542void noinline
3509ev_signal_stop (EV_P_ ev_signal *w) 3543ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3510{ 3544{
3511 clear_pending (EV_A_ (W)w); 3545 clear_pending (EV_A_ (W)w);
3512 if (expect_false (!ev_is_active (w))) 3546 if (expect_false (!ev_is_active (w)))
3513 return; 3547 return;
3514 3548
… …
3545#endif 3579#endif
3546 3580
3547#if EV_CHILD_ENABLE 3581#if EV_CHILD_ENABLE
3548 3582
3549void 3583void
3550ev_child_start (EV_P_ ev_child *w) 3584ev_child_start (EV_P_ ev_child *w) EV_THROW
3551{ 3585{
3552#if EV_MULTIPLICITY 3586#if EV_MULTIPLICITY
3553 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3587 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3554#endif 3588#endif
3555 if (expect_false (ev_is_active (w))) 3589 if (expect_false (ev_is_active (w)))
… …
3562 3596
3563 EV_FREQUENT_CHECK; 3597 EV_FREQUENT_CHECK;
3564} 3598}
3565 3599
3566void 3600void
3567ev_child_stop (EV_P_ ev_child *w) 3601ev_child_stop (EV_P_ ev_child *w) EV_THROW
3568{ 3602{
3569 clear_pending (EV_A_ (W)w); 3603 clear_pending (EV_A_ (W)w);
3570 if (expect_false (!ev_is_active (w))) 3604 if (expect_false (!ev_is_active (w)))
3571 return; 3605 return;
3572 3606
… …
3739} 3773}
3740 3774
3741inline_size int 3775inline_size int
3742infy_newfd (void) 3776infy_newfd (void)
3743{ 3777{
3744#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3778#if defined IN_CLOEXEC && defined IN_NONBLOCK
3745 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3779 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3746 if (fd >= 0) 3780 if (fd >= 0)
3747 return fd; 3781 return fd;
3748#endif 3782#endif
3749 return inotify_init (); 3783 return inotify_init ();
… …
3824#else 3858#else
3825# define EV_LSTAT(p,b) lstat (p, b) 3859# define EV_LSTAT(p,b) lstat (p, b)
3826#endif 3860#endif
3827 3861
3828void 3862void
3829ev_stat_stat (EV_P_ ev_stat *w) 3863ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3830{ 3864{
3831 if (lstat (w->path, &w->attr) < 0) 3865 if (lstat (w->path, &w->attr) < 0)
3832 w->attr.st_nlink = 0; 3866 w->attr.st_nlink = 0;
3833 else if (!w->attr.st_nlink) 3867 else if (!w->attr.st_nlink)
3834 w->attr.st_nlink = 1; 3868 w->attr.st_nlink = 1;
… …
3873 ev_feed_event (EV_A_ w, EV_STAT); 3907 ev_feed_event (EV_A_ w, EV_STAT);
3874 } 3908 }
3875} 3909}
3876 3910
3877void 3911void
3878ev_stat_start (EV_P_ ev_stat *w) 3912ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3879{ 3913{
3880 if (expect_false (ev_is_active (w))) 3914 if (expect_false (ev_is_active (w)))
3881 return; 3915 return;
3882 3916
3883 ev_stat_stat (EV_A_ w); 3917 ev_stat_stat (EV_A_ w);
… …
3904 3938
3905 EV_FREQUENT_CHECK; 3939 EV_FREQUENT_CHECK;
3906} 3940}
3907 3941
3908void 3942void
3909ev_stat_stop (EV_P_ ev_stat *w) 3943ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3910{ 3944{
3911 clear_pending (EV_A_ (W)w); 3945 clear_pending (EV_A_ (W)w);
3912 if (expect_false (!ev_is_active (w))) 3946 if (expect_false (!ev_is_active (w)))
3913 return; 3947 return;
3914 3948
… …
3930} 3964}
3931#endif 3965#endif
3932 3966
3933#if EV_IDLE_ENABLE 3967#if EV_IDLE_ENABLE
3934void 3968void
3935ev_idle_start (EV_P_ ev_idle *w) 3969ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3936{ 3970{
3937 if (expect_false (ev_is_active (w))) 3971 if (expect_false (ev_is_active (w)))
3938 return; 3972 return;
3939 3973
3940 pri_adjust (EV_A_ (W)w); 3974 pri_adjust (EV_A_ (W)w);
… …
3953 3987
3954 EV_FREQUENT_CHECK; 3988 EV_FREQUENT_CHECK;
3955} 3989}
3956 3990
3957void 3991void
3958ev_idle_stop (EV_P_ ev_idle *w) 3992ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3959{ 3993{
3960 clear_pending (EV_A_ (W)w); 3994 clear_pending (EV_A_ (W)w);
3961 if (expect_false (!ev_is_active (w))) 3995 if (expect_false (!ev_is_active (w)))
3962 return; 3996 return;
3963 3997
… …
3977} 4011}
3978#endif 4012#endif
3979 4013
3980#if EV_PREPARE_ENABLE 4014#if EV_PREPARE_ENABLE
3981void 4015void
3982ev_prepare_start (EV_P_ ev_prepare *w) 4016ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3983{ 4017{
3984 if (expect_false (ev_is_active (w))) 4018 if (expect_false (ev_is_active (w)))
3985 return; 4019 return;
3986 4020
3987 EV_FREQUENT_CHECK; 4021 EV_FREQUENT_CHECK;
… …
3992 4026
3993 EV_FREQUENT_CHECK; 4027 EV_FREQUENT_CHECK;
3994} 4028}
3995 4029
3996void 4030void
3997ev_prepare_stop (EV_P_ ev_prepare *w) 4031ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3998{ 4032{
3999 clear_pending (EV_A_ (W)w); 4033 clear_pending (EV_A_ (W)w);
4000 if (expect_false (!ev_is_active (w))) 4034 if (expect_false (!ev_is_active (w)))
4001 return; 4035 return;
4002 4036
… …
4015} 4049}
4016#endif 4050#endif
4017 4051
4018#if EV_CHECK_ENABLE 4052#if EV_CHECK_ENABLE
4019void 4053void
4020ev_check_start (EV_P_ ev_check *w) 4054ev_check_start (EV_P_ ev_check *w) EV_THROW
4021{ 4055{
4022 if (expect_false (ev_is_active (w))) 4056 if (expect_false (ev_is_active (w)))
4023 return; 4057 return;
4024 4058
4025 EV_FREQUENT_CHECK; 4059 EV_FREQUENT_CHECK;
… …
4030 4064
4031 EV_FREQUENT_CHECK; 4065 EV_FREQUENT_CHECK;
4032} 4066}
4033 4067
4034void 4068void
4035ev_check_stop (EV_P_ ev_check *w) 4069ev_check_stop (EV_P_ ev_check *w) EV_THROW
4036{ 4070{
4037 clear_pending (EV_A_ (W)w); 4071 clear_pending (EV_A_ (W)w);
4038 if (expect_false (!ev_is_active (w))) 4072 if (expect_false (!ev_is_active (w)))
4039 return; 4073 return;
4040 4074
… …
4053} 4087}
4054#endif 4088#endif
4055 4089
4056#if EV_EMBED_ENABLE 4090#if EV_EMBED_ENABLE
4057void noinline 4091void noinline
4058ev_embed_sweep (EV_P_ ev_embed *w) 4092ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4059{ 4093{
4060 ev_run (w->other, EVRUN_NOWAIT); 4094 ev_run (w->other, EVRUN_NOWAIT);
4061} 4095}
4062 4096
4063static void 4097static void
… …
4111 ev_idle_stop (EV_A_ idle); 4145 ev_idle_stop (EV_A_ idle);
4112} 4146}
4113#endif 4147#endif
4114 4148
4115void 4149void
4116ev_embed_start (EV_P_ ev_embed *w) 4150ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4117{ 4151{
4118 if (expect_false (ev_is_active (w))) 4152 if (expect_false (ev_is_active (w)))
4119 return; 4153 return;
4120 4154
4121 { 4155 {
… …
4142 4176
4143 EV_FREQUENT_CHECK; 4177 EV_FREQUENT_CHECK;
4144} 4178}
4145 4179
4146void 4180void
4147ev_embed_stop (EV_P_ ev_embed *w) 4181ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4148{ 4182{
4149 clear_pending (EV_A_ (W)w); 4183 clear_pending (EV_A_ (W)w);
4150 if (expect_false (!ev_is_active (w))) 4184 if (expect_false (!ev_is_active (w)))
4151 return; 4185 return;
4152 4186
… …
4162} 4196}
4163#endif 4197#endif
4164 4198
4165#if EV_FORK_ENABLE 4199#if EV_FORK_ENABLE
4166void 4200void
4167ev_fork_start (EV_P_ ev_fork *w) 4201ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4168{ 4202{
4169 if (expect_false (ev_is_active (w))) 4203 if (expect_false (ev_is_active (w)))
4170 return; 4204 return;
4171 4205
4172 EV_FREQUENT_CHECK; 4206 EV_FREQUENT_CHECK;
… …
4177 4211
4178 EV_FREQUENT_CHECK; 4212 EV_FREQUENT_CHECK;
4179} 4213}
4180 4214
4181void 4215void
4182ev_fork_stop (EV_P_ ev_fork *w) 4216ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4183{ 4217{
4184 clear_pending (EV_A_ (W)w); 4218 clear_pending (EV_A_ (W)w);
4185 if (expect_false (!ev_is_active (w))) 4219 if (expect_false (!ev_is_active (w)))
4186 return; 4220 return;
4187 4221
… …
4200} 4234}
4201#endif 4235#endif
4202 4236
4203#if EV_CLEANUP_ENABLE 4237#if EV_CLEANUP_ENABLE
4204void 4238void
4205ev_cleanup_start (EV_P_ ev_cleanup *w) 4239ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4206{ 4240{
4207 if (expect_false (ev_is_active (w))) 4241 if (expect_false (ev_is_active (w)))
4208 return; 4242 return;
4209 4243
4210 EV_FREQUENT_CHECK; 4244 EV_FREQUENT_CHECK;
… …
4217 ev_unref (EV_A); 4251 ev_unref (EV_A);
4218 EV_FREQUENT_CHECK; 4252 EV_FREQUENT_CHECK;
4219} 4253}
4220 4254
4221void 4255void
4222ev_cleanup_stop (EV_P_ ev_cleanup *w) 4256ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4223{ 4257{
4224 clear_pending (EV_A_ (W)w); 4258 clear_pending (EV_A_ (W)w);
4225 if (expect_false (!ev_is_active (w))) 4259 if (expect_false (!ev_is_active (w)))
4226 return; 4260 return;
4227 4261
… …
4241} 4275}
4242#endif 4276#endif
4243 4277
4244#if EV_ASYNC_ENABLE 4278#if EV_ASYNC_ENABLE
4245void 4279void
4246ev_async_start (EV_P_ ev_async *w) 4280ev_async_start (EV_P_ ev_async *w) EV_THROW
4247{ 4281{
4248 if (expect_false (ev_is_active (w))) 4282 if (expect_false (ev_is_active (w)))
4249 return; 4283 return;
4250 4284
4251 w->sent = 0; 4285 w->sent = 0;
… …
4260 4294
4261 EV_FREQUENT_CHECK; 4295 EV_FREQUENT_CHECK;
4262} 4296}
4263 4297
4264void 4298void
4265ev_async_stop (EV_P_ ev_async *w) 4299ev_async_stop (EV_P_ ev_async *w) EV_THROW
4266{ 4300{
4267 clear_pending (EV_A_ (W)w); 4301 clear_pending (EV_A_ (W)w);
4268 if (expect_false (!ev_is_active (w))) 4302 if (expect_false (!ev_is_active (w)))
4269 return; 4303 return;
4270 4304
… …
4281 4315
4282 EV_FREQUENT_CHECK; 4316 EV_FREQUENT_CHECK;
4283} 4317}
4284 4318
4285void 4319void
4286ev_async_send (EV_P_ ev_async *w) 4320ev_async_send (EV_P_ ev_async *w) EV_THROW
4287{ 4321{
4288 w->sent = 1; 4322 w->sent = 1;
4289 evpipe_write (EV_A_ &async_pending); 4323 evpipe_write (EV_A_ &async_pending);
4290} 4324}
4291#endif 4325#endif
… …
4328 4362
4329 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4363 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4330} 4364}
4331 4365
4332void 4366void
4333ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4367ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4334{ 4368{
4335 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4369 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4336 4370
4337 if (expect_false (!once)) 4371 if (expect_false (!once))
4338 { 4372 {
… …
4360 4394
4361/*****************************************************************************/ 4395/*****************************************************************************/
4362 4396
4363#if EV_WALK_ENABLE 4397#if EV_WALK_ENABLE
4364void ecb_cold 4398void ecb_cold
4365ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4399ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4366{ 4400{
4367 int i, j; 4401 int i, j;
4368 ev_watcher_list *wl, *wn; 4402 ev_watcher_list *wl, *wn;
4369 4403
4370 if (types & (EV_IO | EV_EMBED)) 4404 if (types & (EV_IO | EV_EMBED))

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