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Comparing libev/ev.c (file contents):
Revision 1.413 by root, Fri Mar 23 19:06:08 2012 UTC vs.
Revision 1.430 by root, Wed May 9 16:50:23 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
… …
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 <windows.h> 206# include <windows.h>
207# include <winsock2.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
211#endif 212#endif
… …
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 ()
606 #elif __xlC__ 605 #elif __xlC__
607 #define ECB_MEMORY_FENCE __lwsync () 606 #define ECB_MEMORY_FENCE __sync ()
608 #endif 607 #endif
609#endif 608#endif
610 609
611#ifndef ECB_MEMORY_FENCE 610#ifndef ECB_MEMORY_FENCE
612 #if !ECB_AVOID_PTHREADS 611 #if !ECB_AVOID_PTHREADS
… …
624 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 623 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) 624 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
626 #endif 625 #endif
627#endif 626#endif
628 627
629#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 628#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
630 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 629 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
631#endif 630#endif
632 631
633#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
634 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
635#endif 634#endif
636 635
637/*****************************************************************************/ 636/*****************************************************************************/
638 637
… …
1103{ 1102{
1104 write (STDERR_FILENO, msg, strlen (msg)); 1103 write (STDERR_FILENO, msg, strlen (msg));
1105} 1104}
1106#endif 1105#endif
1107 1106
1108static void (*syserr_cb)(const char *msg); 1107static void (*syserr_cb)(const char *msg) EV_THROW;
1109 1108
1110void ecb_cold 1109void ecb_cold
1111ev_set_syserr_cb (void (*cb)(const char *msg)) 1110ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1112{ 1111{
1113 syserr_cb = cb; 1112 syserr_cb = cb;
1114} 1113}
1115 1114
1116static void noinline ecb_cold 1115static void noinline ecb_cold
… …
1152 free (ptr); 1151 free (ptr);
1153 return 0; 1152 return 0;
1154#endif 1153#endif
1155} 1154}
1156 1155
1157static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1156static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1158 1157
1159void ecb_cold 1158void ecb_cold
1160ev_set_allocator (void *(*cb)(void *ptr, long size)) 1159ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1161{ 1160{
1162 alloc = cb; 1161 alloc = cb;
1163} 1162}
1164 1163
1165inline_speed void * 1164inline_speed void *
… …
1282 1281
1283/*****************************************************************************/ 1282/*****************************************************************************/
1284 1283
1285#ifndef EV_HAVE_EV_TIME 1284#ifndef EV_HAVE_EV_TIME
1286ev_tstamp 1285ev_tstamp
1287ev_time (void) 1286ev_time (void) EV_THROW
1288{ 1287{
1289#if EV_USE_REALTIME 1288#if EV_USE_REALTIME
1290 if (expect_true (have_realtime)) 1289 if (expect_true (have_realtime))
1291 { 1290 {
1292 struct timespec ts; 1291 struct timespec ts;
… …
1316 return ev_time (); 1315 return ev_time ();
1317} 1316}
1318 1317
1319#if EV_MULTIPLICITY 1318#if EV_MULTIPLICITY
1320ev_tstamp 1319ev_tstamp
1321ev_now (EV_P) 1320ev_now (EV_P) EV_THROW
1322{ 1321{
1323 return ev_rt_now; 1322 return ev_rt_now;
1324} 1323}
1325#endif 1324#endif
1326 1325
1327void 1326void
1328ev_sleep (ev_tstamp delay) 1327ev_sleep (ev_tstamp delay) EV_THROW
1329{ 1328{
1330 if (delay > 0.) 1329 if (delay > 0.)
1331 { 1330 {
1332#if EV_USE_NANOSLEEP 1331#if EV_USE_NANOSLEEP
1333 struct timespec ts; 1332 struct timespec ts;
1334 1333
1335 EV_TS_SET (ts, delay); 1334 EV_TS_SET (ts, delay);
1336 nanosleep (&ts, 0); 1335 nanosleep (&ts, 0);
1337#elif defined(_WIN32) 1336#elif defined _WIN32
1338 Sleep ((unsigned long)(delay * 1e3)); 1337 Sleep ((unsigned long)(delay * 1e3));
1339#else 1338#else
1340 struct timeval tv; 1339 struct timeval tv;
1341 1340
1342 /* 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 */
… …
1414pendingcb (EV_P_ ev_prepare *w, int revents) 1413pendingcb (EV_P_ ev_prepare *w, int revents)
1415{ 1414{
1416} 1415}
1417 1416
1418void noinline 1417void noinline
1419ev_feed_event (EV_P_ void *w, int revents) 1418ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1420{ 1419{
1421 W w_ = (W)w; 1420 W w_ = (W)w;
1422 int pri = ABSPRI (w_); 1421 int pri = ABSPRI (w_);
1423 1422
1424 if (expect_false (w_->pending)) 1423 if (expect_false (w_->pending))
… …
1428 w_->pending = ++pendingcnt [pri]; 1427 w_->pending = ++pendingcnt [pri];
1429 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1428 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1430 pendings [pri][w_->pending - 1].w = w_; 1429 pendings [pri][w_->pending - 1].w = w_;
1431 pendings [pri][w_->pending - 1].events = revents; 1430 pendings [pri][w_->pending - 1].events = revents;
1432 } 1431 }
1432
1433 pendingpri = NUMPRI - 1;
1433} 1434}
1434 1435
1435inline_speed void 1436inline_speed void
1436feed_reverse (EV_P_ W w) 1437feed_reverse (EV_P_ W w)
1437{ 1438{
… …
1483 if (expect_true (!anfd->reify)) 1484 if (expect_true (!anfd->reify))
1484 fd_event_nocheck (EV_A_ fd, revents); 1485 fd_event_nocheck (EV_A_ fd, revents);
1485} 1486}
1486 1487
1487void 1488void
1488ev_feed_fd_event (EV_P_ int fd, int revents) 1489ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1489{ 1490{
1490 if (fd >= 0 && fd < anfdmax) 1491 if (fd >= 0 && fd < anfdmax)
1491 fd_event_nocheck (EV_A_ fd, revents); 1492 fd_event_nocheck (EV_A_ fd, revents);
1492} 1493}
1493 1494
… …
1842} 1843}
1843 1844
1844inline_speed void 1845inline_speed void
1845evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1846evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1846{ 1847{
1848 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1849
1847 if (expect_true (*flag)) 1850 if (expect_true (*flag))
1848 return; 1851 return;
1849 1852
1850 *flag = 1; 1853 *flag = 1;
1851 1854
… …
1870 write (evfd, &counter, sizeof (uint64_t)); 1873 write (evfd, &counter, sizeof (uint64_t));
1871 } 1874 }
1872 else 1875 else
1873#endif 1876#endif
1874 { 1877 {
1875 /* win32 people keep sending patches that change this write() to send() */ 1878#ifdef _WIN32
1876 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1879 WSABUF buf;
1877 /* so when you think this write should be a send instead, please find out */ 1880 DWORD sent;
1878 /* where your send() is from - it's definitely not the microsoft send, and */ 1881 buf.buf = &buf;
1879 /* tell me. thank you. */ 1882 buf.len = 1;
1880 /* 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);
1881 /* check the ev documentation on how to use this flag */ 1884#else
1882 write (evpipe [1], &(evpipe [1]), 1); 1885 write (evpipe [1], &(evpipe [1]), 1);
1886#endif
1883 } 1887 }
1884 1888
1885 errno = old_errno; 1889 errno = old_errno;
1886 } 1890 }
1887} 1891}
… …
1902 read (evfd, &counter, sizeof (uint64_t)); 1906 read (evfd, &counter, sizeof (uint64_t));
1903 } 1907 }
1904 else 1908 else
1905#endif 1909#endif
1906 { 1910 {
1907 char dummy; 1911 char dummy[4];
1908 /* 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 buf.buf = dummy;
1916 buf.len = sizeof (dummy);
1917 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0);
1918#else
1909 read (evpipe [0], &dummy, 1); 1919 read (evpipe [0], &dummy, sizeof (dummy));
1920#endif
1910 } 1921 }
1911 } 1922 }
1912 1923
1913 pipe_write_skipped = 0; 1924 pipe_write_skipped = 0;
1925
1926 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1914 1927
1915#if EV_SIGNAL_ENABLE 1928#if EV_SIGNAL_ENABLE
1916 if (sig_pending) 1929 if (sig_pending)
1917 { 1930 {
1918 sig_pending = 0; 1931 sig_pending = 0;
1932
1933 ECB_MEMORY_FENCE_RELEASE;
1919 1934
1920 for (i = EV_NSIG - 1; i--; ) 1935 for (i = EV_NSIG - 1; i--; )
1921 if (expect_false (signals [i].pending)) 1936 if (expect_false (signals [i].pending))
1922 ev_feed_signal_event (EV_A_ i + 1); 1937 ev_feed_signal_event (EV_A_ i + 1);
1923 } 1938 }
… …
1925 1940
1926#if EV_ASYNC_ENABLE 1941#if EV_ASYNC_ENABLE
1927 if (async_pending) 1942 if (async_pending)
1928 { 1943 {
1929 async_pending = 0; 1944 async_pending = 0;
1945
1946 ECB_MEMORY_FENCE_RELEASE;
1930 1947
1931 for (i = asynccnt; i--; ) 1948 for (i = asynccnt; i--; )
1932 if (asyncs [i]->sent) 1949 if (asyncs [i]->sent)
1933 { 1950 {
1934 asyncs [i]->sent = 0; 1951 asyncs [i]->sent = 0;
… …
1939} 1956}
1940 1957
1941/*****************************************************************************/ 1958/*****************************************************************************/
1942 1959
1943void 1960void
1944ev_feed_signal (int signum) 1961ev_feed_signal (int signum) EV_THROW
1945{ 1962{
1946#if EV_MULTIPLICITY 1963#if EV_MULTIPLICITY
1947 EV_P = signals [signum - 1].loop; 1964 EV_P = signals [signum - 1].loop;
1948 1965
1949 if (!EV_A) 1966 if (!EV_A)
… …
1966 1983
1967 ev_feed_signal (signum); 1984 ev_feed_signal (signum);
1968} 1985}
1969 1986
1970void noinline 1987void noinline
1971ev_feed_signal_event (EV_P_ int signum) 1988ev_feed_signal_event (EV_P_ int signum) EV_THROW
1972{ 1989{
1973 WL w; 1990 WL w;
1974 1991
1975 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1992 if (expect_false (signum <= 0 || signum > EV_NSIG))
1976 return; 1993 return;
… …
2092#if EV_USE_SELECT 2109#if EV_USE_SELECT
2093# include "ev_select.c" 2110# include "ev_select.c"
2094#endif 2111#endif
2095 2112
2096int ecb_cold 2113int ecb_cold
2097ev_version_major (void) 2114ev_version_major (void) EV_THROW
2098{ 2115{
2099 return EV_VERSION_MAJOR; 2116 return EV_VERSION_MAJOR;
2100} 2117}
2101 2118
2102int ecb_cold 2119int ecb_cold
2103ev_version_minor (void) 2120ev_version_minor (void) EV_THROW
2104{ 2121{
2105 return EV_VERSION_MINOR; 2122 return EV_VERSION_MINOR;
2106} 2123}
2107 2124
2108/* return true if we are running with elevated privileges and should ignore env variables */ 2125/* return true if we are running with elevated privileges and should ignore env variables */
… …
2116 || getgid () != getegid (); 2133 || getgid () != getegid ();
2117#endif 2134#endif
2118} 2135}
2119 2136
2120unsigned int ecb_cold 2137unsigned int ecb_cold
2121ev_supported_backends (void) 2138ev_supported_backends (void) EV_THROW
2122{ 2139{
2123 unsigned int flags = 0; 2140 unsigned int flags = 0;
2124 2141
2125 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2142 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2126 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2143 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2130 2147
2131 return flags; 2148 return flags;
2132} 2149}
2133 2150
2134unsigned int ecb_cold 2151unsigned int ecb_cold
2135ev_recommended_backends (void) 2152ev_recommended_backends (void) EV_THROW
2136{ 2153{
2137 unsigned int flags = ev_supported_backends (); 2154 unsigned int flags = ev_supported_backends ();
2138 2155
2139#ifndef __NetBSD__ 2156#ifndef __NetBSD__
2140 /* kqueue is borked on everything but netbsd apparently */ 2157 /* kqueue is borked on everything but netbsd apparently */
… …
2152 2169
2153 return flags; 2170 return flags;
2154} 2171}
2155 2172
2156unsigned int ecb_cold 2173unsigned int ecb_cold
2157ev_embeddable_backends (void) 2174ev_embeddable_backends (void) EV_THROW
2158{ 2175{
2159 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2176 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2160 2177
2161 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2178 /* 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 */ 2179 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2164 2181
2165 return flags; 2182 return flags;
2166} 2183}
2167 2184
2168unsigned int 2185unsigned int
2169ev_backend (EV_P) 2186ev_backend (EV_P) EV_THROW
2170{ 2187{
2171 return backend; 2188 return backend;
2172} 2189}
2173 2190
2174#if EV_FEATURE_API 2191#if EV_FEATURE_API
2175unsigned int 2192unsigned int
2176ev_iteration (EV_P) 2193ev_iteration (EV_P) EV_THROW
2177{ 2194{
2178 return loop_count; 2195 return loop_count;
2179} 2196}
2180 2197
2181unsigned int 2198unsigned int
2182ev_depth (EV_P) 2199ev_depth (EV_P) EV_THROW
2183{ 2200{
2184 return loop_depth; 2201 return loop_depth;
2185} 2202}
2186 2203
2187void 2204void
2188ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2205ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2189{ 2206{
2190 io_blocktime = interval; 2207 io_blocktime = interval;
2191} 2208}
2192 2209
2193void 2210void
2194ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2211ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2195{ 2212{
2196 timeout_blocktime = interval; 2213 timeout_blocktime = interval;
2197} 2214}
2198 2215
2199void 2216void
2200ev_set_userdata (EV_P_ void *data) 2217ev_set_userdata (EV_P_ void *data) EV_THROW
2201{ 2218{
2202 userdata = data; 2219 userdata = data;
2203} 2220}
2204 2221
2205void * 2222void *
2206ev_userdata (EV_P) 2223ev_userdata (EV_P) EV_THROW
2207{ 2224{
2208 return userdata; 2225 return userdata;
2209} 2226}
2210 2227
2211void 2228void
2212ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2229ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2213{ 2230{
2214 invoke_cb = invoke_pending_cb; 2231 invoke_cb = invoke_pending_cb;
2215} 2232}
2216 2233
2217void 2234void
2218ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2235ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2219{ 2236{
2220 release_cb = release; 2237 release_cb = release;
2221 acquire_cb = acquire; 2238 acquire_cb = acquire;
2222} 2239}
2223#endif 2240#endif
2224 2241
2225/* initialise a loop structure, must be zero-initialised */ 2242/* initialise a loop structure, must be zero-initialised */
2226static void noinline ecb_cold 2243static void noinline ecb_cold
2227loop_init (EV_P_ unsigned int flags) 2244loop_init (EV_P_ unsigned int flags) EV_THROW
2228{ 2245{
2229 if (!backend) 2246 if (!backend)
2230 { 2247 {
2231 origflags = flags; 2248 origflags = flags;
2232 2249
… …
2485} 2502}
2486 2503
2487#if EV_MULTIPLICITY 2504#if EV_MULTIPLICITY
2488 2505
2489struct ev_loop * ecb_cold 2506struct ev_loop * ecb_cold
2490ev_loop_new (unsigned int flags) 2507ev_loop_new (unsigned int flags) EV_THROW
2491{ 2508{
2492 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2509 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2493 2510
2494 memset (EV_A, 0, sizeof (struct ev_loop)); 2511 memset (EV_A, 0, sizeof (struct ev_loop));
2495 loop_init (EV_A_ flags); 2512 loop_init (EV_A_ flags);
… …
2539} 2556}
2540#endif 2557#endif
2541 2558
2542#if EV_FEATURE_API 2559#if EV_FEATURE_API
2543void ecb_cold 2560void ecb_cold
2544ev_verify (EV_P) 2561ev_verify (EV_P) EV_THROW
2545{ 2562{
2546#if EV_VERIFY 2563#if EV_VERIFY
2547 int i; 2564 int i;
2548 WL w; 2565 WL w, w2;
2549 2566
2550 assert (activecnt >= -1); 2567 assert (activecnt >= -1);
2551 2568
2552 assert (fdchangemax >= fdchangecnt); 2569 assert (fdchangemax >= fdchangecnt);
2553 for (i = 0; i < fdchangecnt; ++i) 2570 for (i = 0; i < fdchangecnt; ++i)
2554 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2571 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2555 2572
2556 assert (anfdmax >= 0); 2573 assert (anfdmax >= 0);
2557 for (i = 0; i < anfdmax; ++i) 2574 for (i = 0; i < anfdmax; ++i)
2575 {
2576 int j = 0;
2577
2558 for (w = anfds [i].head; w; w = w->next) 2578 for (w = w2 = anfds [i].head; w; w = w->next)
2559 { 2579 {
2560 verify_watcher (EV_A_ (W)w); 2580 verify_watcher (EV_A_ (W)w);
2581
2582 if (j++ & 1)
2583 {
2584 assert (("libev: io watcher list contains a loop", w != w2));
2585 w2 = w2->next;
2586 }
2587
2561 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2588 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2562 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2589 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2563 } 2590 }
2591 }
2564 2592
2565 assert (timermax >= timercnt); 2593 assert (timermax >= timercnt);
2566 verify_heap (EV_A_ timers, timercnt); 2594 verify_heap (EV_A_ timers, timercnt);
2567 2595
2568#if EV_PERIODIC_ENABLE 2596#if EV_PERIODIC_ENABLE
… …
2618#if EV_MULTIPLICITY 2646#if EV_MULTIPLICITY
2619struct ev_loop * ecb_cold 2647struct ev_loop * ecb_cold
2620#else 2648#else
2621int 2649int
2622#endif 2650#endif
2623ev_default_loop (unsigned int flags) 2651ev_default_loop (unsigned int flags) EV_THROW
2624{ 2652{
2625 if (!ev_default_loop_ptr) 2653 if (!ev_default_loop_ptr)
2626 { 2654 {
2627#if EV_MULTIPLICITY 2655#if EV_MULTIPLICITY
2628 EV_P = ev_default_loop_ptr = &default_loop_struct; 2656 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2647 2675
2648 return ev_default_loop_ptr; 2676 return ev_default_loop_ptr;
2649} 2677}
2650 2678
2651void 2679void
2652ev_loop_fork (EV_P) 2680ev_loop_fork (EV_P) EV_THROW
2653{ 2681{
2654 postfork = 1; /* must be in line with ev_default_fork */ 2682 postfork = 1; /* must be in line with ev_default_fork */
2655} 2683}
2656 2684
2657/*****************************************************************************/ 2685/*****************************************************************************/
… …
2661{ 2689{
2662 EV_CB_INVOKE ((W)w, revents); 2690 EV_CB_INVOKE ((W)w, revents);
2663} 2691}
2664 2692
2665unsigned int 2693unsigned int
2666ev_pending_count (EV_P) 2694ev_pending_count (EV_P) EV_THROW
2667{ 2695{
2668 int pri; 2696 int pri;
2669 unsigned int count = 0; 2697 unsigned int count = 0;
2670 2698
2671 for (pri = NUMPRI; pri--; ) 2699 for (pri = NUMPRI; pri--; )
… …
2675} 2703}
2676 2704
2677void noinline 2705void noinline
2678ev_invoke_pending (EV_P) 2706ev_invoke_pending (EV_P)
2679{ 2707{
2680 int pri; 2708 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2681
2682 for (pri = NUMPRI; pri--; )
2683 while (pendingcnt [pri]) 2709 while (pendingcnt [pendingpri])
2684 { 2710 {
2685 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2711 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2686 2712
2687 p->w->pending = 0; 2713 p->w->pending = 0;
2688 EV_CB_INVOKE (p->w, p->events); 2714 EV_CB_INVOKE (p->w, p->events);
2689 EV_FREQUENT_CHECK; 2715 EV_FREQUENT_CHECK;
2690 } 2716 }
… …
2930 2956
2931 mn_now = ev_rt_now; 2957 mn_now = ev_rt_now;
2932 } 2958 }
2933} 2959}
2934 2960
2935void 2961int
2936ev_run (EV_P_ int flags) 2962ev_run (EV_P_ int flags)
2937{ 2963{
2938#if EV_FEATURE_API 2964#if EV_FEATURE_API
2939 ++loop_depth; 2965 ++loop_depth;
2940#endif 2966#endif
… …
3097 loop_done = EVBREAK_CANCEL; 3123 loop_done = EVBREAK_CANCEL;
3098 3124
3099#if EV_FEATURE_API 3125#if EV_FEATURE_API
3100 --loop_depth; 3126 --loop_depth;
3101#endif 3127#endif
3128
3129 return activecnt;
3102} 3130}
3103 3131
3104void 3132void
3105ev_break (EV_P_ int how) 3133ev_break (EV_P_ int how) EV_THROW
3106{ 3134{
3107 loop_done = how; 3135 loop_done = how;
3108} 3136}
3109 3137
3110void 3138void
3111ev_ref (EV_P) 3139ev_ref (EV_P) EV_THROW
3112{ 3140{
3113 ++activecnt; 3141 ++activecnt;
3114} 3142}
3115 3143
3116void 3144void
3117ev_unref (EV_P) 3145ev_unref (EV_P) EV_THROW
3118{ 3146{
3119 --activecnt; 3147 --activecnt;
3120} 3148}
3121 3149
3122void 3150void
3123ev_now_update (EV_P) 3151ev_now_update (EV_P) EV_THROW
3124{ 3152{
3125 time_update (EV_A_ 1e100); 3153 time_update (EV_A_ 1e100);
3126} 3154}
3127 3155
3128void 3156void
3129ev_suspend (EV_P) 3157ev_suspend (EV_P) EV_THROW
3130{ 3158{
3131 ev_now_update (EV_A); 3159 ev_now_update (EV_A);
3132} 3160}
3133 3161
3134void 3162void
3135ev_resume (EV_P) 3163ev_resume (EV_P) EV_THROW
3136{ 3164{
3137 ev_tstamp mn_prev = mn_now; 3165 ev_tstamp mn_prev = mn_now;
3138 3166
3139 ev_now_update (EV_A); 3167 ev_now_update (EV_A);
3140 timers_reschedule (EV_A_ mn_now - mn_prev); 3168 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3179 w->pending = 0; 3207 w->pending = 0;
3180 } 3208 }
3181} 3209}
3182 3210
3183int 3211int
3184ev_clear_pending (EV_P_ void *w) 3212ev_clear_pending (EV_P_ void *w) EV_THROW
3185{ 3213{
3186 W w_ = (W)w; 3214 W w_ = (W)w;
3187 int pending = w_->pending; 3215 int pending = w_->pending;
3188 3216
3189 if (expect_true (pending)) 3217 if (expect_true (pending))
… …
3222} 3250}
3223 3251
3224/*****************************************************************************/ 3252/*****************************************************************************/
3225 3253
3226void noinline 3254void noinline
3227ev_io_start (EV_P_ ev_io *w) 3255ev_io_start (EV_P_ ev_io *w) EV_THROW
3228{ 3256{
3229 int fd = w->fd; 3257 int fd = w->fd;
3230 3258
3231 if (expect_false (ev_is_active (w))) 3259 if (expect_false (ev_is_active (w)))
3232 return; 3260 return;
… …
3238 3266
3239 ev_start (EV_A_ (W)w, 1); 3267 ev_start (EV_A_ (W)w, 1);
3240 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3268 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3241 wlist_add (&anfds[fd].head, (WL)w); 3269 wlist_add (&anfds[fd].head, (WL)w);
3242 3270
3271 /* common bug, apparently */
3272 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3273
3243 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3274 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3244 w->events &= ~EV__IOFDSET; 3275 w->events &= ~EV__IOFDSET;
3245 3276
3246 EV_FREQUENT_CHECK; 3277 EV_FREQUENT_CHECK;
3247} 3278}
3248 3279
3249void noinline 3280void noinline
3250ev_io_stop (EV_P_ ev_io *w) 3281ev_io_stop (EV_P_ ev_io *w) EV_THROW
3251{ 3282{
3252 clear_pending (EV_A_ (W)w); 3283 clear_pending (EV_A_ (W)w);
3253 if (expect_false (!ev_is_active (w))) 3284 if (expect_false (!ev_is_active (w)))
3254 return; 3285 return;
3255 3286
… …
3264 3295
3265 EV_FREQUENT_CHECK; 3296 EV_FREQUENT_CHECK;
3266} 3297}
3267 3298
3268void noinline 3299void noinline
3269ev_timer_start (EV_P_ ev_timer *w) 3300ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3270{ 3301{
3271 if (expect_false (ev_is_active (w))) 3302 if (expect_false (ev_is_active (w)))
3272 return; 3303 return;
3273 3304
3274 ev_at (w) += mn_now; 3305 ev_at (w) += mn_now;
… …
3288 3319
3289 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3320 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3290} 3321}
3291 3322
3292void noinline 3323void noinline
3293ev_timer_stop (EV_P_ ev_timer *w) 3324ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3294{ 3325{
3295 clear_pending (EV_A_ (W)w); 3326 clear_pending (EV_A_ (W)w);
3296 if (expect_false (!ev_is_active (w))) 3327 if (expect_false (!ev_is_active (w)))
3297 return; 3328 return;
3298 3329
… …
3318 3349
3319 EV_FREQUENT_CHECK; 3350 EV_FREQUENT_CHECK;
3320} 3351}
3321 3352
3322void noinline 3353void noinline
3323ev_timer_again (EV_P_ ev_timer *w) 3354ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3324{ 3355{
3325 EV_FREQUENT_CHECK; 3356 EV_FREQUENT_CHECK;
3326 3357
3327 clear_pending (EV_A_ (W)w); 3358 clear_pending (EV_A_ (W)w);
3328 3359
… …
3345 3376
3346 EV_FREQUENT_CHECK; 3377 EV_FREQUENT_CHECK;
3347} 3378}
3348 3379
3349ev_tstamp 3380ev_tstamp
3350ev_timer_remaining (EV_P_ ev_timer *w) 3381ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3351{ 3382{
3352 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3383 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3353} 3384}
3354 3385
3355#if EV_PERIODIC_ENABLE 3386#if EV_PERIODIC_ENABLE
3356void noinline 3387void noinline
3357ev_periodic_start (EV_P_ ev_periodic *w) 3388ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3358{ 3389{
3359 if (expect_false (ev_is_active (w))) 3390 if (expect_false (ev_is_active (w)))
3360 return; 3391 return;
3361 3392
3362 if (w->reschedule_cb) 3393 if (w->reschedule_cb)
… …
3382 3413
3383 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3414 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3384} 3415}
3385 3416
3386void noinline 3417void noinline
3387ev_periodic_stop (EV_P_ ev_periodic *w) 3418ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3388{ 3419{
3389 clear_pending (EV_A_ (W)w); 3420 clear_pending (EV_A_ (W)w);
3390 if (expect_false (!ev_is_active (w))) 3421 if (expect_false (!ev_is_active (w)))
3391 return; 3422 return;
3392 3423
… …
3410 3441
3411 EV_FREQUENT_CHECK; 3442 EV_FREQUENT_CHECK;
3412} 3443}
3413 3444
3414void noinline 3445void noinline
3415ev_periodic_again (EV_P_ ev_periodic *w) 3446ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3416{ 3447{
3417 /* TODO: use adjustheap and recalculation */ 3448 /* TODO: use adjustheap and recalculation */
3418 ev_periodic_stop (EV_A_ w); 3449 ev_periodic_stop (EV_A_ w);
3419 ev_periodic_start (EV_A_ w); 3450 ev_periodic_start (EV_A_ w);
3420} 3451}
… …
3425#endif 3456#endif
3426 3457
3427#if EV_SIGNAL_ENABLE 3458#if EV_SIGNAL_ENABLE
3428 3459
3429void noinline 3460void noinline
3430ev_signal_start (EV_P_ ev_signal *w) 3461ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3431{ 3462{
3432 if (expect_false (ev_is_active (w))) 3463 if (expect_false (ev_is_active (w)))
3433 return; 3464 return;
3434 3465
3435 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3466 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3506 3537
3507 EV_FREQUENT_CHECK; 3538 EV_FREQUENT_CHECK;
3508} 3539}
3509 3540
3510void noinline 3541void noinline
3511ev_signal_stop (EV_P_ ev_signal *w) 3542ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3512{ 3543{
3513 clear_pending (EV_A_ (W)w); 3544 clear_pending (EV_A_ (W)w);
3514 if (expect_false (!ev_is_active (w))) 3545 if (expect_false (!ev_is_active (w)))
3515 return; 3546 return;
3516 3547
… …
3547#endif 3578#endif
3548 3579
3549#if EV_CHILD_ENABLE 3580#if EV_CHILD_ENABLE
3550 3581
3551void 3582void
3552ev_child_start (EV_P_ ev_child *w) 3583ev_child_start (EV_P_ ev_child *w) EV_THROW
3553{ 3584{
3554#if EV_MULTIPLICITY 3585#if EV_MULTIPLICITY
3555 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3586 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3556#endif 3587#endif
3557 if (expect_false (ev_is_active (w))) 3588 if (expect_false (ev_is_active (w)))
… …
3564 3595
3565 EV_FREQUENT_CHECK; 3596 EV_FREQUENT_CHECK;
3566} 3597}
3567 3598
3568void 3599void
3569ev_child_stop (EV_P_ ev_child *w) 3600ev_child_stop (EV_P_ ev_child *w) EV_THROW
3570{ 3601{
3571 clear_pending (EV_A_ (W)w); 3602 clear_pending (EV_A_ (W)w);
3572 if (expect_false (!ev_is_active (w))) 3603 if (expect_false (!ev_is_active (w)))
3573 return; 3604 return;
3574 3605
… …
3741} 3772}
3742 3773
3743inline_size int 3774inline_size int
3744infy_newfd (void) 3775infy_newfd (void)
3745{ 3776{
3746#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3777#if defined IN_CLOEXEC && defined IN_NONBLOCK
3747 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3778 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3748 if (fd >= 0) 3779 if (fd >= 0)
3749 return fd; 3780 return fd;
3750#endif 3781#endif
3751 return inotify_init (); 3782 return inotify_init ();
… …
3826#else 3857#else
3827# define EV_LSTAT(p,b) lstat (p, b) 3858# define EV_LSTAT(p,b) lstat (p, b)
3828#endif 3859#endif
3829 3860
3830void 3861void
3831ev_stat_stat (EV_P_ ev_stat *w) 3862ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3832{ 3863{
3833 if (lstat (w->path, &w->attr) < 0) 3864 if (lstat (w->path, &w->attr) < 0)
3834 w->attr.st_nlink = 0; 3865 w->attr.st_nlink = 0;
3835 else if (!w->attr.st_nlink) 3866 else if (!w->attr.st_nlink)
3836 w->attr.st_nlink = 1; 3867 w->attr.st_nlink = 1;
… …
3875 ev_feed_event (EV_A_ w, EV_STAT); 3906 ev_feed_event (EV_A_ w, EV_STAT);
3876 } 3907 }
3877} 3908}
3878 3909
3879void 3910void
3880ev_stat_start (EV_P_ ev_stat *w) 3911ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3881{ 3912{
3882 if (expect_false (ev_is_active (w))) 3913 if (expect_false (ev_is_active (w)))
3883 return; 3914 return;
3884 3915
3885 ev_stat_stat (EV_A_ w); 3916 ev_stat_stat (EV_A_ w);
… …
3906 3937
3907 EV_FREQUENT_CHECK; 3938 EV_FREQUENT_CHECK;
3908} 3939}
3909 3940
3910void 3941void
3911ev_stat_stop (EV_P_ ev_stat *w) 3942ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3912{ 3943{
3913 clear_pending (EV_A_ (W)w); 3944 clear_pending (EV_A_ (W)w);
3914 if (expect_false (!ev_is_active (w))) 3945 if (expect_false (!ev_is_active (w)))
3915 return; 3946 return;
3916 3947
… …
3932} 3963}
3933#endif 3964#endif
3934 3965
3935#if EV_IDLE_ENABLE 3966#if EV_IDLE_ENABLE
3936void 3967void
3937ev_idle_start (EV_P_ ev_idle *w) 3968ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3938{ 3969{
3939 if (expect_false (ev_is_active (w))) 3970 if (expect_false (ev_is_active (w)))
3940 return; 3971 return;
3941 3972
3942 pri_adjust (EV_A_ (W)w); 3973 pri_adjust (EV_A_ (W)w);
… …
3955 3986
3956 EV_FREQUENT_CHECK; 3987 EV_FREQUENT_CHECK;
3957} 3988}
3958 3989
3959void 3990void
3960ev_idle_stop (EV_P_ ev_idle *w) 3991ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3961{ 3992{
3962 clear_pending (EV_A_ (W)w); 3993 clear_pending (EV_A_ (W)w);
3963 if (expect_false (!ev_is_active (w))) 3994 if (expect_false (!ev_is_active (w)))
3964 return; 3995 return;
3965 3996
… …
3979} 4010}
3980#endif 4011#endif
3981 4012
3982#if EV_PREPARE_ENABLE 4013#if EV_PREPARE_ENABLE
3983void 4014void
3984ev_prepare_start (EV_P_ ev_prepare *w) 4015ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3985{ 4016{
3986 if (expect_false (ev_is_active (w))) 4017 if (expect_false (ev_is_active (w)))
3987 return; 4018 return;
3988 4019
3989 EV_FREQUENT_CHECK; 4020 EV_FREQUENT_CHECK;
… …
3994 4025
3995 EV_FREQUENT_CHECK; 4026 EV_FREQUENT_CHECK;
3996} 4027}
3997 4028
3998void 4029void
3999ev_prepare_stop (EV_P_ ev_prepare *w) 4030ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
4000{ 4031{
4001 clear_pending (EV_A_ (W)w); 4032 clear_pending (EV_A_ (W)w);
4002 if (expect_false (!ev_is_active (w))) 4033 if (expect_false (!ev_is_active (w)))
4003 return; 4034 return;
4004 4035
… …
4017} 4048}
4018#endif 4049#endif
4019 4050
4020#if EV_CHECK_ENABLE 4051#if EV_CHECK_ENABLE
4021void 4052void
4022ev_check_start (EV_P_ ev_check *w) 4053ev_check_start (EV_P_ ev_check *w) EV_THROW
4023{ 4054{
4024 if (expect_false (ev_is_active (w))) 4055 if (expect_false (ev_is_active (w)))
4025 return; 4056 return;
4026 4057
4027 EV_FREQUENT_CHECK; 4058 EV_FREQUENT_CHECK;
… …
4032 4063
4033 EV_FREQUENT_CHECK; 4064 EV_FREQUENT_CHECK;
4034} 4065}
4035 4066
4036void 4067void
4037ev_check_stop (EV_P_ ev_check *w) 4068ev_check_stop (EV_P_ ev_check *w) EV_THROW
4038{ 4069{
4039 clear_pending (EV_A_ (W)w); 4070 clear_pending (EV_A_ (W)w);
4040 if (expect_false (!ev_is_active (w))) 4071 if (expect_false (!ev_is_active (w)))
4041 return; 4072 return;
4042 4073
… …
4055} 4086}
4056#endif 4087#endif
4057 4088
4058#if EV_EMBED_ENABLE 4089#if EV_EMBED_ENABLE
4059void noinline 4090void noinline
4060ev_embed_sweep (EV_P_ ev_embed *w) 4091ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4061{ 4092{
4062 ev_run (w->other, EVRUN_NOWAIT); 4093 ev_run (w->other, EVRUN_NOWAIT);
4063} 4094}
4064 4095
4065static void 4096static void
… …
4113 ev_idle_stop (EV_A_ idle); 4144 ev_idle_stop (EV_A_ idle);
4114} 4145}
4115#endif 4146#endif
4116 4147
4117void 4148void
4118ev_embed_start (EV_P_ ev_embed *w) 4149ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4119{ 4150{
4120 if (expect_false (ev_is_active (w))) 4151 if (expect_false (ev_is_active (w)))
4121 return; 4152 return;
4122 4153
4123 { 4154 {
… …
4144 4175
4145 EV_FREQUENT_CHECK; 4176 EV_FREQUENT_CHECK;
4146} 4177}
4147 4178
4148void 4179void
4149ev_embed_stop (EV_P_ ev_embed *w) 4180ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4150{ 4181{
4151 clear_pending (EV_A_ (W)w); 4182 clear_pending (EV_A_ (W)w);
4152 if (expect_false (!ev_is_active (w))) 4183 if (expect_false (!ev_is_active (w)))
4153 return; 4184 return;
4154 4185
… …
4164} 4195}
4165#endif 4196#endif
4166 4197
4167#if EV_FORK_ENABLE 4198#if EV_FORK_ENABLE
4168void 4199void
4169ev_fork_start (EV_P_ ev_fork *w) 4200ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4170{ 4201{
4171 if (expect_false (ev_is_active (w))) 4202 if (expect_false (ev_is_active (w)))
4172 return; 4203 return;
4173 4204
4174 EV_FREQUENT_CHECK; 4205 EV_FREQUENT_CHECK;
… …
4179 4210
4180 EV_FREQUENT_CHECK; 4211 EV_FREQUENT_CHECK;
4181} 4212}
4182 4213
4183void 4214void
4184ev_fork_stop (EV_P_ ev_fork *w) 4215ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4185{ 4216{
4186 clear_pending (EV_A_ (W)w); 4217 clear_pending (EV_A_ (W)w);
4187 if (expect_false (!ev_is_active (w))) 4218 if (expect_false (!ev_is_active (w)))
4188 return; 4219 return;
4189 4220
… …
4202} 4233}
4203#endif 4234#endif
4204 4235
4205#if EV_CLEANUP_ENABLE 4236#if EV_CLEANUP_ENABLE
4206void 4237void
4207ev_cleanup_start (EV_P_ ev_cleanup *w) 4238ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4208{ 4239{
4209 if (expect_false (ev_is_active (w))) 4240 if (expect_false (ev_is_active (w)))
4210 return; 4241 return;
4211 4242
4212 EV_FREQUENT_CHECK; 4243 EV_FREQUENT_CHECK;
… …
4219 ev_unref (EV_A); 4250 ev_unref (EV_A);
4220 EV_FREQUENT_CHECK; 4251 EV_FREQUENT_CHECK;
4221} 4252}
4222 4253
4223void 4254void
4224ev_cleanup_stop (EV_P_ ev_cleanup *w) 4255ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4225{ 4256{
4226 clear_pending (EV_A_ (W)w); 4257 clear_pending (EV_A_ (W)w);
4227 if (expect_false (!ev_is_active (w))) 4258 if (expect_false (!ev_is_active (w)))
4228 return; 4259 return;
4229 4260
… …
4243} 4274}
4244#endif 4275#endif
4245 4276
4246#if EV_ASYNC_ENABLE 4277#if EV_ASYNC_ENABLE
4247void 4278void
4248ev_async_start (EV_P_ ev_async *w) 4279ev_async_start (EV_P_ ev_async *w) EV_THROW
4249{ 4280{
4250 if (expect_false (ev_is_active (w))) 4281 if (expect_false (ev_is_active (w)))
4251 return; 4282 return;
4252 4283
4253 w->sent = 0; 4284 w->sent = 0;
… …
4262 4293
4263 EV_FREQUENT_CHECK; 4294 EV_FREQUENT_CHECK;
4264} 4295}
4265 4296
4266void 4297void
4267ev_async_stop (EV_P_ ev_async *w) 4298ev_async_stop (EV_P_ ev_async *w) EV_THROW
4268{ 4299{
4269 clear_pending (EV_A_ (W)w); 4300 clear_pending (EV_A_ (W)w);
4270 if (expect_false (!ev_is_active (w))) 4301 if (expect_false (!ev_is_active (w)))
4271 return; 4302 return;
4272 4303
… …
4283 4314
4284 EV_FREQUENT_CHECK; 4315 EV_FREQUENT_CHECK;
4285} 4316}
4286 4317
4287void 4318void
4288ev_async_send (EV_P_ ev_async *w) 4319ev_async_send (EV_P_ ev_async *w) EV_THROW
4289{ 4320{
4290 w->sent = 1; 4321 w->sent = 1;
4291 evpipe_write (EV_A_ &async_pending); 4322 evpipe_write (EV_A_ &async_pending);
4292} 4323}
4293#endif 4324#endif
… …
4330 4361
4331 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4362 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4332} 4363}
4333 4364
4334void 4365void
4335ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4366ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4336{ 4367{
4337 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4368 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4338 4369
4339 if (expect_false (!once)) 4370 if (expect_false (!once))
4340 { 4371 {
… …
4362 4393
4363/*****************************************************************************/ 4394/*****************************************************************************/
4364 4395
4365#if EV_WALK_ENABLE 4396#if EV_WALK_ENABLE
4366void ecb_cold 4397void ecb_cold
4367ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4398ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4368{ 4399{
4369 int i, j; 4400 int i, j;
4370 ev_watcher_list *wl, *wn; 4401 ev_watcher_list *wl, *wn;
4371 4402
4372 if (types & (EV_IO | EV_EMBED)) 4403 if (types & (EV_IO | EV_EMBED))

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