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Comparing libev/ev.c (file contents):
Revision 1.411 by root, Tue Feb 21 04:34:02 2012 UTC vs.
Revision 1.435 by root, Sat May 26 08:52:09 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")
579 #elif defined __mips__
580 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
581 #elif defined __alpha__
582 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
582 #endif 583 #endif
583 #endif 584 #endif
584#endif 585#endif
585 586
586#ifndef ECB_MEMORY_FENCE 587#ifndef ECB_MEMORY_FENCE
587 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 588 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
588 #define ECB_MEMORY_FENCE __sync_synchronize () 589 #define ECB_MEMORY_FENCE __sync_synchronize ()
589 /*#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); }) */
590 /*#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 ); }) */
591 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 592 #elif _MSC_VER >= 1400 /* VC++ 2005 */
592 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 593 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
593 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 594 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
594 #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 */
595 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 596 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
596 #elif defined(_WIN32) 597 #elif defined _WIN32
597 #include <WinNT.h> 598 #include <WinNT.h>
598 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 599 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
599 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 600 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
600 #include <mbarrier.h> 601 #include <mbarrier.h>
601 #define ECB_MEMORY_FENCE __machine_rw_barrier () 602 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
602 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 603 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
603 #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 ()
604 #endif 607 #endif
605#endif 608#endif
606 609
607#ifndef ECB_MEMORY_FENCE 610#ifndef ECB_MEMORY_FENCE
608 #if !ECB_AVOID_PTHREADS 611 #if !ECB_AVOID_PTHREADS
… …
620 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 623 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
621 #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)
622 #endif 625 #endif
623#endif 626#endif
624 627
625#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 628#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
626 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 629 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
627#endif 630#endif
628 631
629#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
630 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
631#endif 634#endif
632 635
633/*****************************************************************************/ 636/*****************************************************************************/
634 637
… …
1099{ 1102{
1100 write (STDERR_FILENO, msg, strlen (msg)); 1103 write (STDERR_FILENO, msg, strlen (msg));
1101} 1104}
1102#endif 1105#endif
1103 1106
1104static void (*syserr_cb)(const char *msg); 1107static void (*syserr_cb)(const char *msg) EV_THROW;
1105 1108
1106void ecb_cold 1109void ecb_cold
1107ev_set_syserr_cb (void (*cb)(const char *msg)) 1110ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1108{ 1111{
1109 syserr_cb = cb; 1112 syserr_cb = cb;
1110} 1113}
1111 1114
1112static void noinline ecb_cold 1115static void noinline ecb_cold
… …
1130 abort (); 1133 abort ();
1131 } 1134 }
1132} 1135}
1133 1136
1134static void * 1137static void *
1135ev_realloc_emul (void *ptr, long size) 1138ev_realloc_emul (void *ptr, long size) EV_THROW
1136{ 1139{
1137#if __GLIBC__ 1140#if __GLIBC__
1138 return realloc (ptr, size); 1141 return realloc (ptr, size);
1139#else 1142#else
1140 /* some systems, notably openbsd and darwin, fail to properly 1143 /* some systems, notably openbsd and darwin, fail to properly
… …
1148 free (ptr); 1151 free (ptr);
1149 return 0; 1152 return 0;
1150#endif 1153#endif
1151} 1154}
1152 1155
1153static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1156static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1154 1157
1155void ecb_cold 1158void ecb_cold
1156ev_set_allocator (void *(*cb)(void *ptr, long size)) 1159ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1157{ 1160{
1158 alloc = cb; 1161 alloc = cb;
1159} 1162}
1160 1163
1161inline_speed void * 1164inline_speed void *
… …
1278 1281
1279/*****************************************************************************/ 1282/*****************************************************************************/
1280 1283
1281#ifndef EV_HAVE_EV_TIME 1284#ifndef EV_HAVE_EV_TIME
1282ev_tstamp 1285ev_tstamp
1283ev_time (void) 1286ev_time (void) EV_THROW
1284{ 1287{
1285#if EV_USE_REALTIME 1288#if EV_USE_REALTIME
1286 if (expect_true (have_realtime)) 1289 if (expect_true (have_realtime))
1287 { 1290 {
1288 struct timespec ts; 1291 struct timespec ts;
… …
1312 return ev_time (); 1315 return ev_time ();
1313} 1316}
1314 1317
1315#if EV_MULTIPLICITY 1318#if EV_MULTIPLICITY
1316ev_tstamp 1319ev_tstamp
1317ev_now (EV_P) 1320ev_now (EV_P) EV_THROW
1318{ 1321{
1319 return ev_rt_now; 1322 return ev_rt_now;
1320} 1323}
1321#endif 1324#endif
1322 1325
1323void 1326void
1324ev_sleep (ev_tstamp delay) 1327ev_sleep (ev_tstamp delay) EV_THROW
1325{ 1328{
1326 if (delay > 0.) 1329 if (delay > 0.)
1327 { 1330 {
1328#if EV_USE_NANOSLEEP 1331#if EV_USE_NANOSLEEP
1329 struct timespec ts; 1332 struct timespec ts;
1330 1333
1331 EV_TS_SET (ts, delay); 1334 EV_TS_SET (ts, delay);
1332 nanosleep (&ts, 0); 1335 nanosleep (&ts, 0);
1333#elif defined(_WIN32) 1336#elif defined _WIN32
1334 Sleep ((unsigned long)(delay * 1e3)); 1337 Sleep ((unsigned long)(delay * 1e3));
1335#else 1338#else
1336 struct timeval tv; 1339 struct timeval tv;
1337 1340
1338 /* 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 */
… …
1410pendingcb (EV_P_ ev_prepare *w, int revents) 1413pendingcb (EV_P_ ev_prepare *w, int revents)
1411{ 1414{
1412} 1415}
1413 1416
1414void noinline 1417void noinline
1415ev_feed_event (EV_P_ void *w, int revents) 1418ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1416{ 1419{
1417 W w_ = (W)w; 1420 W w_ = (W)w;
1418 int pri = ABSPRI (w_); 1421 int pri = ABSPRI (w_);
1419 1422
1420 if (expect_false (w_->pending)) 1423 if (expect_false (w_->pending))
… …
1424 w_->pending = ++pendingcnt [pri]; 1427 w_->pending = ++pendingcnt [pri];
1425 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1428 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1426 pendings [pri][w_->pending - 1].w = w_; 1429 pendings [pri][w_->pending - 1].w = w_;
1427 pendings [pri][w_->pending - 1].events = revents; 1430 pendings [pri][w_->pending - 1].events = revents;
1428 } 1431 }
1432
1433 pendingpri = NUMPRI - 1;
1429} 1434}
1430 1435
1431inline_speed void 1436inline_speed void
1432feed_reverse (EV_P_ W w) 1437feed_reverse (EV_P_ W w)
1433{ 1438{
… …
1479 if (expect_true (!anfd->reify)) 1484 if (expect_true (!anfd->reify))
1480 fd_event_nocheck (EV_A_ fd, revents); 1485 fd_event_nocheck (EV_A_ fd, revents);
1481} 1486}
1482 1487
1483void 1488void
1484ev_feed_fd_event (EV_P_ int fd, int revents) 1489ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1485{ 1490{
1486 if (fd >= 0 && fd < anfdmax) 1491 if (fd >= 0 && fd < anfdmax)
1487 fd_event_nocheck (EV_A_ fd, revents); 1492 fd_event_nocheck (EV_A_ fd, revents);
1488} 1493}
1489 1494
… …
1838} 1843}
1839 1844
1840inline_speed void 1845inline_speed void
1841evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1846evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1842{ 1847{
1848 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1849
1843 if (expect_true (*flag)) 1850 if (expect_true (*flag))
1844 return; 1851 return;
1845 1852
1846 *flag = 1; 1853 *flag = 1;
1847 1854
… …
1866 write (evfd, &counter, sizeof (uint64_t)); 1873 write (evfd, &counter, sizeof (uint64_t));
1867 } 1874 }
1868 else 1875 else
1869#endif 1876#endif
1870 { 1877 {
1871 /* win32 people keep sending patches that change this write() to send() */ 1878#ifdef _WIN32
1872 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1879 WSABUF buf;
1873 /* so when you think this write should be a send instead, please find out */ 1880 DWORD sent;
1874 /* where your send() is from - it's definitely not the microsoft send, and */ 1881 buf.buf = &buf;
1875 /* tell me. thank you. */ 1882 buf.len = 1;
1876 /* 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);
1877 /* check the ev documentation on how to use this flag */ 1884#else
1878 write (evpipe [1], &(evpipe [1]), 1); 1885 write (evpipe [1], &(evpipe [1]), 1);
1886#endif
1879 } 1887 }
1880 1888
1881 errno = old_errno; 1889 errno = old_errno;
1882 } 1890 }
1883} 1891}
… …
1898 read (evfd, &counter, sizeof (uint64_t)); 1906 read (evfd, &counter, sizeof (uint64_t));
1899 } 1907 }
1900 else 1908 else
1901#endif 1909#endif
1902 { 1910 {
1903 char dummy; 1911 char dummy[4];
1904 /* 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
1905 read (evpipe [0], &dummy, 1); 1920 read (evpipe [0], &dummy, sizeof (dummy));
1921#endif
1906 } 1922 }
1907 } 1923 }
1908 1924
1909 pipe_write_skipped = 0; 1925 pipe_write_skipped = 0;
1926
1927 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1910 1928
1911#if EV_SIGNAL_ENABLE 1929#if EV_SIGNAL_ENABLE
1912 if (sig_pending) 1930 if (sig_pending)
1913 { 1931 {
1914 sig_pending = 0; 1932 sig_pending = 0;
1933
1934 ECB_MEMORY_FENCE_RELEASE;
1915 1935
1916 for (i = EV_NSIG - 1; i--; ) 1936 for (i = EV_NSIG - 1; i--; )
1917 if (expect_false (signals [i].pending)) 1937 if (expect_false (signals [i].pending))
1918 ev_feed_signal_event (EV_A_ i + 1); 1938 ev_feed_signal_event (EV_A_ i + 1);
1919 } 1939 }
… …
1921 1941
1922#if EV_ASYNC_ENABLE 1942#if EV_ASYNC_ENABLE
1923 if (async_pending) 1943 if (async_pending)
1924 { 1944 {
1925 async_pending = 0; 1945 async_pending = 0;
1946
1947 ECB_MEMORY_FENCE_RELEASE;
1926 1948
1927 for (i = asynccnt; i--; ) 1949 for (i = asynccnt; i--; )
1928 if (asyncs [i]->sent) 1950 if (asyncs [i]->sent)
1929 { 1951 {
1930 asyncs [i]->sent = 0; 1952 asyncs [i]->sent = 0;
… …
1935} 1957}
1936 1958
1937/*****************************************************************************/ 1959/*****************************************************************************/
1938 1960
1939void 1961void
1940ev_feed_signal (int signum) 1962ev_feed_signal (int signum) EV_THROW
1941{ 1963{
1942#if EV_MULTIPLICITY 1964#if EV_MULTIPLICITY
1943 EV_P = signals [signum - 1].loop; 1965 EV_P = signals [signum - 1].loop;
1944 1966
1945 if (!EV_A) 1967 if (!EV_A)
… …
1962 1984
1963 ev_feed_signal (signum); 1985 ev_feed_signal (signum);
1964} 1986}
1965 1987
1966void noinline 1988void noinline
1967ev_feed_signal_event (EV_P_ int signum) 1989ev_feed_signal_event (EV_P_ int signum) EV_THROW
1968{ 1990{
1969 WL w; 1991 WL w;
1970 1992
1971 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1993 if (expect_false (signum <= 0 || signum > EV_NSIG))
1972 return; 1994 return;
… …
2088#if EV_USE_SELECT 2110#if EV_USE_SELECT
2089# include "ev_select.c" 2111# include "ev_select.c"
2090#endif 2112#endif
2091 2113
2092int ecb_cold 2114int ecb_cold
2093ev_version_major (void) 2115ev_version_major (void) EV_THROW
2094{ 2116{
2095 return EV_VERSION_MAJOR; 2117 return EV_VERSION_MAJOR;
2096} 2118}
2097 2119
2098int ecb_cold 2120int ecb_cold
2099ev_version_minor (void) 2121ev_version_minor (void) EV_THROW
2100{ 2122{
2101 return EV_VERSION_MINOR; 2123 return EV_VERSION_MINOR;
2102} 2124}
2103 2125
2104/* 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 */
… …
2112 || getgid () != getegid (); 2134 || getgid () != getegid ();
2113#endif 2135#endif
2114} 2136}
2115 2137
2116unsigned int ecb_cold 2138unsigned int ecb_cold
2117ev_supported_backends (void) 2139ev_supported_backends (void) EV_THROW
2118{ 2140{
2119 unsigned int flags = 0; 2141 unsigned int flags = 0;
2120 2142
2121 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2143 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2122 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2144 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2126 2148
2127 return flags; 2149 return flags;
2128} 2150}
2129 2151
2130unsigned int ecb_cold 2152unsigned int ecb_cold
2131ev_recommended_backends (void) 2153ev_recommended_backends (void) EV_THROW
2132{ 2154{
2133 unsigned int flags = ev_supported_backends (); 2155 unsigned int flags = ev_supported_backends ();
2134 2156
2135#ifndef __NetBSD__ 2157#ifndef __NetBSD__
2136 /* kqueue is borked on everything but netbsd apparently */ 2158 /* kqueue is borked on everything but netbsd apparently */
… …
2148 2170
2149 return flags; 2171 return flags;
2150} 2172}
2151 2173
2152unsigned int ecb_cold 2174unsigned int ecb_cold
2153ev_embeddable_backends (void) 2175ev_embeddable_backends (void) EV_THROW
2154{ 2176{
2155 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2177 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2156 2178
2157 /* 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 */
2158 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 */
… …
2160 2182
2161 return flags; 2183 return flags;
2162} 2184}
2163 2185
2164unsigned int 2186unsigned int
2165ev_backend (EV_P) 2187ev_backend (EV_P) EV_THROW
2166{ 2188{
2167 return backend; 2189 return backend;
2168} 2190}
2169 2191
2170#if EV_FEATURE_API 2192#if EV_FEATURE_API
2171unsigned int 2193unsigned int
2172ev_iteration (EV_P) 2194ev_iteration (EV_P) EV_THROW
2173{ 2195{
2174 return loop_count; 2196 return loop_count;
2175} 2197}
2176 2198
2177unsigned int 2199unsigned int
2178ev_depth (EV_P) 2200ev_depth (EV_P) EV_THROW
2179{ 2201{
2180 return loop_depth; 2202 return loop_depth;
2181} 2203}
2182 2204
2183void 2205void
2184ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2206ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2185{ 2207{
2186 io_blocktime = interval; 2208 io_blocktime = interval;
2187} 2209}
2188 2210
2189void 2211void
2190ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2212ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2191{ 2213{
2192 timeout_blocktime = interval; 2214 timeout_blocktime = interval;
2193} 2215}
2194 2216
2195void 2217void
2196ev_set_userdata (EV_P_ void *data) 2218ev_set_userdata (EV_P_ void *data) EV_THROW
2197{ 2219{
2198 userdata = data; 2220 userdata = data;
2199} 2221}
2200 2222
2201void * 2223void *
2202ev_userdata (EV_P) 2224ev_userdata (EV_P) EV_THROW
2203{ 2225{
2204 return userdata; 2226 return userdata;
2205} 2227}
2206 2228
2207void 2229void
2208ev_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
2209{ 2231{
2210 invoke_cb = invoke_pending_cb; 2232 invoke_cb = invoke_pending_cb;
2211} 2233}
2212 2234
2213void 2235void
2214ev_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
2215{ 2237{
2216 release_cb = release; 2238 release_cb = release;
2217 acquire_cb = acquire; 2239 acquire_cb = acquire;
2218} 2240}
2219#endif 2241#endif
2220 2242
2221/* initialise a loop structure, must be zero-initialised */ 2243/* initialise a loop structure, must be zero-initialised */
2222static void noinline ecb_cold 2244static void noinline ecb_cold
2223loop_init (EV_P_ unsigned int flags) 2245loop_init (EV_P_ unsigned int flags) EV_THROW
2224{ 2246{
2225 if (!backend) 2247 if (!backend)
2226 { 2248 {
2227 origflags = flags; 2249 origflags = flags;
2228 2250
… …
2333 EV_INVOKE_PENDING; 2355 EV_INVOKE_PENDING;
2334 } 2356 }
2335#endif 2357#endif
2336 2358
2337#if EV_CHILD_ENABLE 2359#if EV_CHILD_ENABLE
2338 if (ev_is_active (&childev)) 2360 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2339 { 2361 {
2340 ev_ref (EV_A); /* child watcher */ 2362 ev_ref (EV_A); /* child watcher */
2341 ev_signal_stop (EV_A_ &childev); 2363 ev_signal_stop (EV_A_ &childev);
2342 } 2364 }
2343#endif 2365#endif
… …
2481} 2503}
2482 2504
2483#if EV_MULTIPLICITY 2505#if EV_MULTIPLICITY
2484 2506
2485struct ev_loop * ecb_cold 2507struct ev_loop * ecb_cold
2486ev_loop_new (unsigned int flags) 2508ev_loop_new (unsigned int flags) EV_THROW
2487{ 2509{
2488 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2510 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2489 2511
2490 memset (EV_A, 0, sizeof (struct ev_loop)); 2512 memset (EV_A, 0, sizeof (struct ev_loop));
2491 loop_init (EV_A_ flags); 2513 loop_init (EV_A_ flags);
… …
2535} 2557}
2536#endif 2558#endif
2537 2559
2538#if EV_FEATURE_API 2560#if EV_FEATURE_API
2539void ecb_cold 2561void ecb_cold
2540ev_verify (EV_P) 2562ev_verify (EV_P) EV_THROW
2541{ 2563{
2542#if EV_VERIFY 2564#if EV_VERIFY
2543 int i; 2565 int i;
2544 WL w; 2566 WL w, w2;
2545 2567
2546 assert (activecnt >= -1); 2568 assert (activecnt >= -1);
2547 2569
2548 assert (fdchangemax >= fdchangecnt); 2570 assert (fdchangemax >= fdchangecnt);
2549 for (i = 0; i < fdchangecnt; ++i) 2571 for (i = 0; i < fdchangecnt; ++i)
2550 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2572 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2551 2573
2552 assert (anfdmax >= 0); 2574 assert (anfdmax >= 0);
2553 for (i = 0; i < anfdmax; ++i) 2575 for (i = 0; i < anfdmax; ++i)
2576 {
2577 int j = 0;
2578
2554 for (w = anfds [i].head; w; w = w->next) 2579 for (w = w2 = anfds [i].head; w; w = w->next)
2555 { 2580 {
2556 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
2557 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));
2558 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));
2559 } 2591 }
2592 }
2560 2593
2561 assert (timermax >= timercnt); 2594 assert (timermax >= timercnt);
2562 verify_heap (EV_A_ timers, timercnt); 2595 verify_heap (EV_A_ timers, timercnt);
2563 2596
2564#if EV_PERIODIC_ENABLE 2597#if EV_PERIODIC_ENABLE
… …
2614#if EV_MULTIPLICITY 2647#if EV_MULTIPLICITY
2615struct ev_loop * ecb_cold 2648struct ev_loop * ecb_cold
2616#else 2649#else
2617int 2650int
2618#endif 2651#endif
2619ev_default_loop (unsigned int flags) 2652ev_default_loop (unsigned int flags) EV_THROW
2620{ 2653{
2621 if (!ev_default_loop_ptr) 2654 if (!ev_default_loop_ptr)
2622 { 2655 {
2623#if EV_MULTIPLICITY 2656#if EV_MULTIPLICITY
2624 EV_P = ev_default_loop_ptr = &default_loop_struct; 2657 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2643 2676
2644 return ev_default_loop_ptr; 2677 return ev_default_loop_ptr;
2645} 2678}
2646 2679
2647void 2680void
2648ev_loop_fork (EV_P) 2681ev_loop_fork (EV_P) EV_THROW
2649{ 2682{
2650 postfork = 1; /* must be in line with ev_default_fork */ 2683 postfork = 1; /* must be in line with ev_default_fork */
2651} 2684}
2652 2685
2653/*****************************************************************************/ 2686/*****************************************************************************/
… …
2657{ 2690{
2658 EV_CB_INVOKE ((W)w, revents); 2691 EV_CB_INVOKE ((W)w, revents);
2659} 2692}
2660 2693
2661unsigned int 2694unsigned int
2662ev_pending_count (EV_P) 2695ev_pending_count (EV_P) EV_THROW
2663{ 2696{
2664 int pri; 2697 int pri;
2665 unsigned int count = 0; 2698 unsigned int count = 0;
2666 2699
2667 for (pri = NUMPRI; pri--; ) 2700 for (pri = NUMPRI; pri--; )
… …
2671} 2704}
2672 2705
2673void noinline 2706void noinline
2674ev_invoke_pending (EV_P) 2707ev_invoke_pending (EV_P)
2675{ 2708{
2676 int pri; 2709 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2677
2678 for (pri = NUMPRI; pri--; )
2679 while (pendingcnt [pri]) 2710 while (pendingcnt [pendingpri])
2680 { 2711 {
2681 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2712 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2682 2713
2683 p->w->pending = 0; 2714 p->w->pending = 0;
2684 EV_CB_INVOKE (p->w, p->events); 2715 EV_CB_INVOKE (p->w, p->events);
2685 EV_FREQUENT_CHECK; 2716 EV_FREQUENT_CHECK;
2686 } 2717 }
… …
2781{ 2812{
2782 EV_FREQUENT_CHECK; 2813 EV_FREQUENT_CHECK;
2783 2814
2784 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2815 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2785 { 2816 {
2786 int feed_count = 0;
2787
2788 do 2817 do
2789 { 2818 {
2790 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2819 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2791 2820
2792 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 2821 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
… …
2926 2955
2927 mn_now = ev_rt_now; 2956 mn_now = ev_rt_now;
2928 } 2957 }
2929} 2958}
2930 2959
2931void 2960int
2932ev_run (EV_P_ int flags) 2961ev_run (EV_P_ int flags)
2933{ 2962{
2934#if EV_FEATURE_API 2963#if EV_FEATURE_API
2935 ++loop_depth; 2964 ++loop_depth;
2936#endif 2965#endif
… …
3093 loop_done = EVBREAK_CANCEL; 3122 loop_done = EVBREAK_CANCEL;
3094 3123
3095#if EV_FEATURE_API 3124#if EV_FEATURE_API
3096 --loop_depth; 3125 --loop_depth;
3097#endif 3126#endif
3127
3128 return activecnt;
3098} 3129}
3099 3130
3100void 3131void
3101ev_break (EV_P_ int how) 3132ev_break (EV_P_ int how) EV_THROW
3102{ 3133{
3103 loop_done = how; 3134 loop_done = how;
3104} 3135}
3105 3136
3106void 3137void
3107ev_ref (EV_P) 3138ev_ref (EV_P) EV_THROW
3108{ 3139{
3109 ++activecnt; 3140 ++activecnt;
3110} 3141}
3111 3142
3112void 3143void
3113ev_unref (EV_P) 3144ev_unref (EV_P) EV_THROW
3114{ 3145{
3115 --activecnt; 3146 --activecnt;
3116} 3147}
3117 3148
3118void 3149void
3119ev_now_update (EV_P) 3150ev_now_update (EV_P) EV_THROW
3120{ 3151{
3121 time_update (EV_A_ 1e100); 3152 time_update (EV_A_ 1e100);
3122} 3153}
3123 3154
3124void 3155void
3125ev_suspend (EV_P) 3156ev_suspend (EV_P) EV_THROW
3126{ 3157{
3127 ev_now_update (EV_A); 3158 ev_now_update (EV_A);
3128} 3159}
3129 3160
3130void 3161void
3131ev_resume (EV_P) 3162ev_resume (EV_P) EV_THROW
3132{ 3163{
3133 ev_tstamp mn_prev = mn_now; 3164 ev_tstamp mn_prev = mn_now;
3134 3165
3135 ev_now_update (EV_A); 3166 ev_now_update (EV_A);
3136 timers_reschedule (EV_A_ mn_now - mn_prev); 3167 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3175 w->pending = 0; 3206 w->pending = 0;
3176 } 3207 }
3177} 3208}
3178 3209
3179int 3210int
3180ev_clear_pending (EV_P_ void *w) 3211ev_clear_pending (EV_P_ void *w) EV_THROW
3181{ 3212{
3182 W w_ = (W)w; 3213 W w_ = (W)w;
3183 int pending = w_->pending; 3214 int pending = w_->pending;
3184 3215
3185 if (expect_true (pending)) 3216 if (expect_true (pending))
… …
3218} 3249}
3219 3250
3220/*****************************************************************************/ 3251/*****************************************************************************/
3221 3252
3222void noinline 3253void noinline
3223ev_io_start (EV_P_ ev_io *w) 3254ev_io_start (EV_P_ ev_io *w) EV_THROW
3224{ 3255{
3225 int fd = w->fd; 3256 int fd = w->fd;
3226 3257
3227 if (expect_false (ev_is_active (w))) 3258 if (expect_false (ev_is_active (w)))
3228 return; 3259 return;
… …
3234 3265
3235 ev_start (EV_A_ (W)w, 1); 3266 ev_start (EV_A_ (W)w, 1);
3236 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3267 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3237 wlist_add (&anfds[fd].head, (WL)w); 3268 wlist_add (&anfds[fd].head, (WL)w);
3238 3269
3270 /* common bug, apparently */
3271 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3272
3239 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3273 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3240 w->events &= ~EV__IOFDSET; 3274 w->events &= ~EV__IOFDSET;
3241 3275
3242 EV_FREQUENT_CHECK; 3276 EV_FREQUENT_CHECK;
3243} 3277}
3244 3278
3245void noinline 3279void noinline
3246ev_io_stop (EV_P_ ev_io *w) 3280ev_io_stop (EV_P_ ev_io *w) EV_THROW
3247{ 3281{
3248 clear_pending (EV_A_ (W)w); 3282 clear_pending (EV_A_ (W)w);
3249 if (expect_false (!ev_is_active (w))) 3283 if (expect_false (!ev_is_active (w)))
3250 return; 3284 return;
3251 3285
… …
3260 3294
3261 EV_FREQUENT_CHECK; 3295 EV_FREQUENT_CHECK;
3262} 3296}
3263 3297
3264void noinline 3298void noinline
3265ev_timer_start (EV_P_ ev_timer *w) 3299ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3266{ 3300{
3267 if (expect_false (ev_is_active (w))) 3301 if (expect_false (ev_is_active (w)))
3268 return; 3302 return;
3269 3303
3270 ev_at (w) += mn_now; 3304 ev_at (w) += mn_now;
… …
3284 3318
3285 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3319 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3286} 3320}
3287 3321
3288void noinline 3322void noinline
3289ev_timer_stop (EV_P_ ev_timer *w) 3323ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3290{ 3324{
3291 clear_pending (EV_A_ (W)w); 3325 clear_pending (EV_A_ (W)w);
3292 if (expect_false (!ev_is_active (w))) 3326 if (expect_false (!ev_is_active (w)))
3293 return; 3327 return;
3294 3328
… …
3314 3348
3315 EV_FREQUENT_CHECK; 3349 EV_FREQUENT_CHECK;
3316} 3350}
3317 3351
3318void noinline 3352void noinline
3319ev_timer_again (EV_P_ ev_timer *w) 3353ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3320{ 3354{
3321 EV_FREQUENT_CHECK; 3355 EV_FREQUENT_CHECK;
3322 3356
3323 clear_pending (EV_A_ (W)w); 3357 clear_pending (EV_A_ (W)w);
3324 3358
… …
3341 3375
3342 EV_FREQUENT_CHECK; 3376 EV_FREQUENT_CHECK;
3343} 3377}
3344 3378
3345ev_tstamp 3379ev_tstamp
3346ev_timer_remaining (EV_P_ ev_timer *w) 3380ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3347{ 3381{
3348 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3382 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3349} 3383}
3350 3384
3351#if EV_PERIODIC_ENABLE 3385#if EV_PERIODIC_ENABLE
3352void noinline 3386void noinline
3353ev_periodic_start (EV_P_ ev_periodic *w) 3387ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3354{ 3388{
3355 if (expect_false (ev_is_active (w))) 3389 if (expect_false (ev_is_active (w)))
3356 return; 3390 return;
3357 3391
3358 if (w->reschedule_cb) 3392 if (w->reschedule_cb)
… …
3378 3412
3379 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3413 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3380} 3414}
3381 3415
3382void noinline 3416void noinline
3383ev_periodic_stop (EV_P_ ev_periodic *w) 3417ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3384{ 3418{
3385 clear_pending (EV_A_ (W)w); 3419 clear_pending (EV_A_ (W)w);
3386 if (expect_false (!ev_is_active (w))) 3420 if (expect_false (!ev_is_active (w)))
3387 return; 3421 return;
3388 3422
… …
3406 3440
3407 EV_FREQUENT_CHECK; 3441 EV_FREQUENT_CHECK;
3408} 3442}
3409 3443
3410void noinline 3444void noinline
3411ev_periodic_again (EV_P_ ev_periodic *w) 3445ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3412{ 3446{
3413 /* TODO: use adjustheap and recalculation */ 3447 /* TODO: use adjustheap and recalculation */
3414 ev_periodic_stop (EV_A_ w); 3448 ev_periodic_stop (EV_A_ w);
3415 ev_periodic_start (EV_A_ w); 3449 ev_periodic_start (EV_A_ w);
3416} 3450}
… …
3421#endif 3455#endif
3422 3456
3423#if EV_SIGNAL_ENABLE 3457#if EV_SIGNAL_ENABLE
3424 3458
3425void noinline 3459void noinline
3426ev_signal_start (EV_P_ ev_signal *w) 3460ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3427{ 3461{
3428 if (expect_false (ev_is_active (w))) 3462 if (expect_false (ev_is_active (w)))
3429 return; 3463 return;
3430 3464
3431 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3465 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3502 3536
3503 EV_FREQUENT_CHECK; 3537 EV_FREQUENT_CHECK;
3504} 3538}
3505 3539
3506void noinline 3540void noinline
3507ev_signal_stop (EV_P_ ev_signal *w) 3541ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3508{ 3542{
3509 clear_pending (EV_A_ (W)w); 3543 clear_pending (EV_A_ (W)w);
3510 if (expect_false (!ev_is_active (w))) 3544 if (expect_false (!ev_is_active (w)))
3511 return; 3545 return;
3512 3546
… …
3543#endif 3577#endif
3544 3578
3545#if EV_CHILD_ENABLE 3579#if EV_CHILD_ENABLE
3546 3580
3547void 3581void
3548ev_child_start (EV_P_ ev_child *w) 3582ev_child_start (EV_P_ ev_child *w) EV_THROW
3549{ 3583{
3550#if EV_MULTIPLICITY 3584#if EV_MULTIPLICITY
3551 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3585 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3552#endif 3586#endif
3553 if (expect_false (ev_is_active (w))) 3587 if (expect_false (ev_is_active (w)))
… …
3560 3594
3561 EV_FREQUENT_CHECK; 3595 EV_FREQUENT_CHECK;
3562} 3596}
3563 3597
3564void 3598void
3565ev_child_stop (EV_P_ ev_child *w) 3599ev_child_stop (EV_P_ ev_child *w) EV_THROW
3566{ 3600{
3567 clear_pending (EV_A_ (W)w); 3601 clear_pending (EV_A_ (W)w);
3568 if (expect_false (!ev_is_active (w))) 3602 if (expect_false (!ev_is_active (w)))
3569 return; 3603 return;
3570 3604
… …
3737} 3771}
3738 3772
3739inline_size int 3773inline_size int
3740infy_newfd (void) 3774infy_newfd (void)
3741{ 3775{
3742#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3776#if defined IN_CLOEXEC && defined IN_NONBLOCK
3743 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3777 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3744 if (fd >= 0) 3778 if (fd >= 0)
3745 return fd; 3779 return fd;
3746#endif 3780#endif
3747 return inotify_init (); 3781 return inotify_init ();
… …
3822#else 3856#else
3823# define EV_LSTAT(p,b) lstat (p, b) 3857# define EV_LSTAT(p,b) lstat (p, b)
3824#endif 3858#endif
3825 3859
3826void 3860void
3827ev_stat_stat (EV_P_ ev_stat *w) 3861ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3828{ 3862{
3829 if (lstat (w->path, &w->attr) < 0) 3863 if (lstat (w->path, &w->attr) < 0)
3830 w->attr.st_nlink = 0; 3864 w->attr.st_nlink = 0;
3831 else if (!w->attr.st_nlink) 3865 else if (!w->attr.st_nlink)
3832 w->attr.st_nlink = 1; 3866 w->attr.st_nlink = 1;
… …
3871 ev_feed_event (EV_A_ w, EV_STAT); 3905 ev_feed_event (EV_A_ w, EV_STAT);
3872 } 3906 }
3873} 3907}
3874 3908
3875void 3909void
3876ev_stat_start (EV_P_ ev_stat *w) 3910ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3877{ 3911{
3878 if (expect_false (ev_is_active (w))) 3912 if (expect_false (ev_is_active (w)))
3879 return; 3913 return;
3880 3914
3881 ev_stat_stat (EV_A_ w); 3915 ev_stat_stat (EV_A_ w);
… …
3902 3936
3903 EV_FREQUENT_CHECK; 3937 EV_FREQUENT_CHECK;
3904} 3938}
3905 3939
3906void 3940void
3907ev_stat_stop (EV_P_ ev_stat *w) 3941ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3908{ 3942{
3909 clear_pending (EV_A_ (W)w); 3943 clear_pending (EV_A_ (W)w);
3910 if (expect_false (!ev_is_active (w))) 3944 if (expect_false (!ev_is_active (w)))
3911 return; 3945 return;
3912 3946
… …
3928} 3962}
3929#endif 3963#endif
3930 3964
3931#if EV_IDLE_ENABLE 3965#if EV_IDLE_ENABLE
3932void 3966void
3933ev_idle_start (EV_P_ ev_idle *w) 3967ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3934{ 3968{
3935 if (expect_false (ev_is_active (w))) 3969 if (expect_false (ev_is_active (w)))
3936 return; 3970 return;
3937 3971
3938 pri_adjust (EV_A_ (W)w); 3972 pri_adjust (EV_A_ (W)w);
… …
3951 3985
3952 EV_FREQUENT_CHECK; 3986 EV_FREQUENT_CHECK;
3953} 3987}
3954 3988
3955void 3989void
3956ev_idle_stop (EV_P_ ev_idle *w) 3990ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3957{ 3991{
3958 clear_pending (EV_A_ (W)w); 3992 clear_pending (EV_A_ (W)w);
3959 if (expect_false (!ev_is_active (w))) 3993 if (expect_false (!ev_is_active (w)))
3960 return; 3994 return;
3961 3995
… …
3975} 4009}
3976#endif 4010#endif
3977 4011
3978#if EV_PREPARE_ENABLE 4012#if EV_PREPARE_ENABLE
3979void 4013void
3980ev_prepare_start (EV_P_ ev_prepare *w) 4014ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3981{ 4015{
3982 if (expect_false (ev_is_active (w))) 4016 if (expect_false (ev_is_active (w)))
3983 return; 4017 return;
3984 4018
3985 EV_FREQUENT_CHECK; 4019 EV_FREQUENT_CHECK;
… …
3990 4024
3991 EV_FREQUENT_CHECK; 4025 EV_FREQUENT_CHECK;
3992} 4026}
3993 4027
3994void 4028void
3995ev_prepare_stop (EV_P_ ev_prepare *w) 4029ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3996{ 4030{
3997 clear_pending (EV_A_ (W)w); 4031 clear_pending (EV_A_ (W)w);
3998 if (expect_false (!ev_is_active (w))) 4032 if (expect_false (!ev_is_active (w)))
3999 return; 4033 return;
4000 4034
… …
4013} 4047}
4014#endif 4048#endif
4015 4049
4016#if EV_CHECK_ENABLE 4050#if EV_CHECK_ENABLE
4017void 4051void
4018ev_check_start (EV_P_ ev_check *w) 4052ev_check_start (EV_P_ ev_check *w) EV_THROW
4019{ 4053{
4020 if (expect_false (ev_is_active (w))) 4054 if (expect_false (ev_is_active (w)))
4021 return; 4055 return;
4022 4056
4023 EV_FREQUENT_CHECK; 4057 EV_FREQUENT_CHECK;
… …
4028 4062
4029 EV_FREQUENT_CHECK; 4063 EV_FREQUENT_CHECK;
4030} 4064}
4031 4065
4032void 4066void
4033ev_check_stop (EV_P_ ev_check *w) 4067ev_check_stop (EV_P_ ev_check *w) EV_THROW
4034{ 4068{
4035 clear_pending (EV_A_ (W)w); 4069 clear_pending (EV_A_ (W)w);
4036 if (expect_false (!ev_is_active (w))) 4070 if (expect_false (!ev_is_active (w)))
4037 return; 4071 return;
4038 4072
… …
4051} 4085}
4052#endif 4086#endif
4053 4087
4054#if EV_EMBED_ENABLE 4088#if EV_EMBED_ENABLE
4055void noinline 4089void noinline
4056ev_embed_sweep (EV_P_ ev_embed *w) 4090ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4057{ 4091{
4058 ev_run (w->other, EVRUN_NOWAIT); 4092 ev_run (w->other, EVRUN_NOWAIT);
4059} 4093}
4060 4094
4061static void 4095static void
… …
4109 ev_idle_stop (EV_A_ idle); 4143 ev_idle_stop (EV_A_ idle);
4110} 4144}
4111#endif 4145#endif
4112 4146
4113void 4147void
4114ev_embed_start (EV_P_ ev_embed *w) 4148ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4115{ 4149{
4116 if (expect_false (ev_is_active (w))) 4150 if (expect_false (ev_is_active (w)))
4117 return; 4151 return;
4118 4152
4119 { 4153 {
… …
4140 4174
4141 EV_FREQUENT_CHECK; 4175 EV_FREQUENT_CHECK;
4142} 4176}
4143 4177
4144void 4178void
4145ev_embed_stop (EV_P_ ev_embed *w) 4179ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4146{ 4180{
4147 clear_pending (EV_A_ (W)w); 4181 clear_pending (EV_A_ (W)w);
4148 if (expect_false (!ev_is_active (w))) 4182 if (expect_false (!ev_is_active (w)))
4149 return; 4183 return;
4150 4184
… …
4160} 4194}
4161#endif 4195#endif
4162 4196
4163#if EV_FORK_ENABLE 4197#if EV_FORK_ENABLE
4164void 4198void
4165ev_fork_start (EV_P_ ev_fork *w) 4199ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4166{ 4200{
4167 if (expect_false (ev_is_active (w))) 4201 if (expect_false (ev_is_active (w)))
4168 return; 4202 return;
4169 4203
4170 EV_FREQUENT_CHECK; 4204 EV_FREQUENT_CHECK;
… …
4175 4209
4176 EV_FREQUENT_CHECK; 4210 EV_FREQUENT_CHECK;
4177} 4211}
4178 4212
4179void 4213void
4180ev_fork_stop (EV_P_ ev_fork *w) 4214ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4181{ 4215{
4182 clear_pending (EV_A_ (W)w); 4216 clear_pending (EV_A_ (W)w);
4183 if (expect_false (!ev_is_active (w))) 4217 if (expect_false (!ev_is_active (w)))
4184 return; 4218 return;
4185 4219
… …
4198} 4232}
4199#endif 4233#endif
4200 4234
4201#if EV_CLEANUP_ENABLE 4235#if EV_CLEANUP_ENABLE
4202void 4236void
4203ev_cleanup_start (EV_P_ ev_cleanup *w) 4237ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4204{ 4238{
4205 if (expect_false (ev_is_active (w))) 4239 if (expect_false (ev_is_active (w)))
4206 return; 4240 return;
4207 4241
4208 EV_FREQUENT_CHECK; 4242 EV_FREQUENT_CHECK;
… …
4215 ev_unref (EV_A); 4249 ev_unref (EV_A);
4216 EV_FREQUENT_CHECK; 4250 EV_FREQUENT_CHECK;
4217} 4251}
4218 4252
4219void 4253void
4220ev_cleanup_stop (EV_P_ ev_cleanup *w) 4254ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4221{ 4255{
4222 clear_pending (EV_A_ (W)w); 4256 clear_pending (EV_A_ (W)w);
4223 if (expect_false (!ev_is_active (w))) 4257 if (expect_false (!ev_is_active (w)))
4224 return; 4258 return;
4225 4259
… …
4239} 4273}
4240#endif 4274#endif
4241 4275
4242#if EV_ASYNC_ENABLE 4276#if EV_ASYNC_ENABLE
4243void 4277void
4244ev_async_start (EV_P_ ev_async *w) 4278ev_async_start (EV_P_ ev_async *w) EV_THROW
4245{ 4279{
4246 if (expect_false (ev_is_active (w))) 4280 if (expect_false (ev_is_active (w)))
4247 return; 4281 return;
4248 4282
4249 w->sent = 0; 4283 w->sent = 0;
… …
4258 4292
4259 EV_FREQUENT_CHECK; 4293 EV_FREQUENT_CHECK;
4260} 4294}
4261 4295
4262void 4296void
4263ev_async_stop (EV_P_ ev_async *w) 4297ev_async_stop (EV_P_ ev_async *w) EV_THROW
4264{ 4298{
4265 clear_pending (EV_A_ (W)w); 4299 clear_pending (EV_A_ (W)w);
4266 if (expect_false (!ev_is_active (w))) 4300 if (expect_false (!ev_is_active (w)))
4267 return; 4301 return;
4268 4302
… …
4279 4313
4280 EV_FREQUENT_CHECK; 4314 EV_FREQUENT_CHECK;
4281} 4315}
4282 4316
4283void 4317void
4284ev_async_send (EV_P_ ev_async *w) 4318ev_async_send (EV_P_ ev_async *w) EV_THROW
4285{ 4319{
4286 w->sent = 1; 4320 w->sent = 1;
4287 evpipe_write (EV_A_ &async_pending); 4321 evpipe_write (EV_A_ &async_pending);
4288} 4322}
4289#endif 4323#endif
… …
4326 4360
4327 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4361 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4328} 4362}
4329 4363
4330void 4364void
4331ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4365ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4332{ 4366{
4333 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4367 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4334 4368
4335 if (expect_false (!once)) 4369 if (expect_false (!once))
4336 { 4370 {
… …
4358 4392
4359/*****************************************************************************/ 4393/*****************************************************************************/
4360 4394
4361#if EV_WALK_ENABLE 4395#if EV_WALK_ENABLE
4362void ecb_cold 4396void ecb_cold
4363ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4397ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4364{ 4398{
4365 int i, j; 4399 int i, j;
4366 ev_watcher_list *wl, *wn; 4400 ev_watcher_list *wl, *wn;
4367 4401
4368 if (types & (EV_IO | EV_EMBED)) 4402 if (types & (EV_IO | EV_EMBED))

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