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Comparing libev/ev.c (file contents):
Revision 1.409 by root, Sat Feb 4 15:17:34 2012 UTC vs.
Revision 1.434 by root, Fri May 18 00:04:52 2012 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
59# endif 59# endif
60# ifndef EV_USE_MONOTONIC 60# ifndef EV_USE_MONOTONIC
61# define EV_USE_MONOTONIC 1 61# define EV_USE_MONOTONIC 1
62# endif 62# endif
63# endif 63# endif
64# elif !defined(EV_USE_CLOCK_SYSCALL) 64# elif !defined EV_USE_CLOCK_SYSCALL
65# define EV_USE_CLOCK_SYSCALL 0 65# define EV_USE_CLOCK_SYSCALL 0
66# endif 66# endif
67 67
68# if HAVE_CLOCK_GETTIME 68# if HAVE_CLOCK_GETTIME
69# ifndef EV_USE_MONOTONIC 69# ifndef EV_USE_MONOTONIC
… …
183# include EV_H 183# include EV_H
184#else 184#else
185# include "ev.h" 185# include "ev.h"
186#endif 186#endif
187 187
188#if EV_NO_THREADS
189# undef EV_NO_SMP
190# define EV_NO_SMP 1
191# undef ECB_NO_THREADS
192# define ECB_NO_THREADS 1
193#endif
194#if EV_NO_SMP
195# undef EV_NO_SMP
196# define ECB_NO_SMP 1
197#endif
198
188#ifndef _WIN32 199#ifndef _WIN32
189# include <sys/time.h> 200# include <sys/time.h>
190# include <sys/wait.h> 201# include <sys/wait.h>
191# include <unistd.h> 202# include <unistd.h>
192#else 203#else
193# include <io.h> 204# include <io.h>
194# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <winsock2.h>
195# include <windows.h> 207# include <windows.h>
196# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
197# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
198# endif 210# endif
199# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
… …
208#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
209 221
210/* 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 */
211 223
212/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
213#if defined (EV_NSIG) 225#if defined EV_NSIG
214/* use what's provided */ 226/* use what's provided */
215#elif defined (NSIG) 227#elif defined NSIG
216# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
217#elif defined(_NSIG) 229#elif defined _NSIG
218# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
219#elif defined (SIGMAX) 231#elif defined SIGMAX
220# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
221#elif defined (SIG_MAX) 233#elif defined SIG_MAX
222# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
223#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
224# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
225#elif defined (MAXSIG) 237#elif defined MAXSIG
226# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
227#elif defined (MAX_SIG) 239#elif defined MAX_SIG
228# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
229#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
230# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
231#elif defined (_sys_nsig) 243#elif defined _sys_nsig
232# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
233#else 245#else
234# error "unable to find value for NSIG, please report" 246# error "unable to find value for NSIG, please report"
235/* to make it compile regardless, just remove the above line, */ 247/* to make it compile regardless, just remove the above line, */
236/* but consider reporting it, too! :) */ 248/* but consider reporting it, too! :) */
… …
248# define EV_USE_CLOCK_SYSCALL 0 260# define EV_USE_CLOCK_SYSCALL 0
249# endif 261# endif
250#endif 262#endif
251 263
252#ifndef EV_USE_MONOTONIC 264#ifndef EV_USE_MONOTONIC
253# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 265# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
254# define EV_USE_MONOTONIC EV_FEATURE_OS 266# define EV_USE_MONOTONIC EV_FEATURE_OS
255# else 267# else
256# define EV_USE_MONOTONIC 0 268# define EV_USE_MONOTONIC 0
257# endif 269# endif
258#endif 270#endif
… …
348#endif 360#endif
349 361
350/* 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, */
351/* which makes programs even slower. might work on other unices, too. */ 363/* which makes programs even slower. might work on other unices, too. */
352#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
353# include <syscall.h> 365# include <sys/syscall.h>
354# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
355# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
357# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
358# else 370# else
… …
384# define EV_USE_INOTIFY 0 396# define EV_USE_INOTIFY 0
385#endif 397#endif
386 398
387#if !EV_USE_NANOSLEEP 399#if !EV_USE_NANOSLEEP
388/* 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 */
389# if !defined(_WIN32) && !defined(__hpux) 401# if !defined _WIN32 && !defined __hpux
390# include <sys/select.h> 402# include <sys/select.h>
391# endif 403# endif
392#endif 404#endif
393 405
394#if EV_USE_INOTIFY 406#if EV_USE_INOTIFY
… …
397/* 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 */
398# ifndef IN_DONT_FOLLOW 410# ifndef IN_DONT_FOLLOW
399# undef EV_USE_INOTIFY 411# undef EV_USE_INOTIFY
400# define EV_USE_INOTIFY 0 412# define EV_USE_INOTIFY 0
401# endif 413# endif
402#endif
403
404#if EV_SELECT_IS_WINSOCKET
405# include <winsock.h>
406#endif 414#endif
407 415
408#if EV_USE_EVENTFD 416#if EV_USE_EVENTFD
409/* 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 */
410# include <stdint.h> 418# include <stdint.h>
… …
522 * or so. 530 * or so.
523 * 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
524 * 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.
525 */ 533 */
526#ifndef ECB_GCC_VERSION 534#ifndef ECB_GCC_VERSION
527 #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__
528 #define ECB_GCC_VERSION(major,minor) 0 536 #define ECB_GCC_VERSION(major,minor) 0
529 #else 537 #else
530 #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)))
531 #endif 539 #endif
532#endif 540#endif
… …
534/*****************************************************************************/ 542/*****************************************************************************/
535 543
536/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ 544/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
537/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ 545/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538 546
547#if ECB_NO_THREADS
548# define ECB_NO_SMP 1
549#endif
550
539#if ECB_NO_THREADS || ECB_NO_SMP 551#if ECB_NO_THREADS || ECB_NO_SMP
540 #define ECB_MEMORY_FENCE do { } while (0) 552 #define ECB_MEMORY_FENCE do { } while (0)
541#endif 553#endif
542 554
543#ifndef ECB_MEMORY_FENCE 555#ifndef ECB_MEMORY_FENCE
544 #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
545 #if __i386 || __i386__ 557 #if __i386 || __i386__
546 #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")
547 #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 */
548 #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 */
549 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 561 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
550 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 563 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
552 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ 564 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
553 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 565 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 566 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 567 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 568 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
557 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
558 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ 570 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 571 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 572 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
561 #elif __sparc || __sparc__ 573 #elif __sparc || __sparc__
562 #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")
563 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 575 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
564 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 576 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
565 #elif defined(__s390__) || defined(__s390x__) 577 #elif defined __s390__ || defined __s390x__
566 #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")
567 #endif 583 #endif
568 #endif 584 #endif
569#endif 585#endif
570 586
571#ifndef ECB_MEMORY_FENCE 587#ifndef ECB_MEMORY_FENCE
572 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 588 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
573 #define ECB_MEMORY_FENCE __sync_synchronize () 589 #define ECB_MEMORY_FENCE __sync_synchronize ()
574 /*#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); }) */
575 /*#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 ); }) */
576 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 592 #elif _MSC_VER >= 1400 /* VC++ 2005 */
577 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 593 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
578 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 594 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
579 #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 */
580 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 596 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
581 #elif defined(_WIN32) 597 #elif defined _WIN32
582 #include <WinNT.h> 598 #include <WinNT.h>
583 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 599 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
584 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 600 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
585 #include <mbarrier.h> 601 #include <mbarrier.h>
586 #define ECB_MEMORY_FENCE __machine_rw_barrier () 602 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
587 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 603 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
588 #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 ()
589 #endif 607 #endif
590#endif 608#endif
591 609
592#ifndef ECB_MEMORY_FENCE 610#ifndef ECB_MEMORY_FENCE
593 #if !ECB_AVOID_PTHREADS 611 #if !ECB_AVOID_PTHREADS
… …
605 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 623 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
606 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 624 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
607 #endif 625 #endif
608#endif 626#endif
609 627
610#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 628#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
611 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 629 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
612#endif 630#endif
613 631
614#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
615 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
616#endif 634#endif
617 635
618/*****************************************************************************/ 636/*****************************************************************************/
619 637
… …
1084{ 1102{
1085 write (STDERR_FILENO, msg, strlen (msg)); 1103 write (STDERR_FILENO, msg, strlen (msg));
1086} 1104}
1087#endif 1105#endif
1088 1106
1089static void (*syserr_cb)(const char *msg); 1107static void (*syserr_cb)(const char *msg) EV_THROW;
1090 1108
1091void ecb_cold 1109void ecb_cold
1092ev_set_syserr_cb (void (*cb)(const char *msg)) 1110ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1093{ 1111{
1094 syserr_cb = cb; 1112 syserr_cb = cb;
1095} 1113}
1096 1114
1097static void noinline ecb_cold 1115static void noinline ecb_cold
… …
1115 abort (); 1133 abort ();
1116 } 1134 }
1117} 1135}
1118 1136
1119static void * 1137static void *
1120ev_realloc_emul (void *ptr, long size) 1138ev_realloc_emul (void *ptr, long size) EV_THROW
1121{ 1139{
1122#if __GLIBC__ 1140#if __GLIBC__
1123 return realloc (ptr, size); 1141 return realloc (ptr, size);
1124#else 1142#else
1125 /* some systems, notably openbsd and darwin, fail to properly 1143 /* some systems, notably openbsd and darwin, fail to properly
… …
1133 free (ptr); 1151 free (ptr);
1134 return 0; 1152 return 0;
1135#endif 1153#endif
1136} 1154}
1137 1155
1138static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1156static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1139 1157
1140void ecb_cold 1158void ecb_cold
1141ev_set_allocator (void *(*cb)(void *ptr, long size)) 1159ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1142{ 1160{
1143 alloc = cb; 1161 alloc = cb;
1144} 1162}
1145 1163
1146inline_speed void * 1164inline_speed void *
… …
1263 1281
1264/*****************************************************************************/ 1282/*****************************************************************************/
1265 1283
1266#ifndef EV_HAVE_EV_TIME 1284#ifndef EV_HAVE_EV_TIME
1267ev_tstamp 1285ev_tstamp
1268ev_time (void) 1286ev_time (void) EV_THROW
1269{ 1287{
1270#if EV_USE_REALTIME 1288#if EV_USE_REALTIME
1271 if (expect_true (have_realtime)) 1289 if (expect_true (have_realtime))
1272 { 1290 {
1273 struct timespec ts; 1291 struct timespec ts;
… …
1297 return ev_time (); 1315 return ev_time ();
1298} 1316}
1299 1317
1300#if EV_MULTIPLICITY 1318#if EV_MULTIPLICITY
1301ev_tstamp 1319ev_tstamp
1302ev_now (EV_P) 1320ev_now (EV_P) EV_THROW
1303{ 1321{
1304 return ev_rt_now; 1322 return ev_rt_now;
1305} 1323}
1306#endif 1324#endif
1307 1325
1308void 1326void
1309ev_sleep (ev_tstamp delay) 1327ev_sleep (ev_tstamp delay) EV_THROW
1310{ 1328{
1311 if (delay > 0.) 1329 if (delay > 0.)
1312 { 1330 {
1313#if EV_USE_NANOSLEEP 1331#if EV_USE_NANOSLEEP
1314 struct timespec ts; 1332 struct timespec ts;
1315 1333
1316 EV_TS_SET (ts, delay); 1334 EV_TS_SET (ts, delay);
1317 nanosleep (&ts, 0); 1335 nanosleep (&ts, 0);
1318#elif defined(_WIN32) 1336#elif defined _WIN32
1319 Sleep ((unsigned long)(delay * 1e3)); 1337 Sleep ((unsigned long)(delay * 1e3));
1320#else 1338#else
1321 struct timeval tv; 1339 struct timeval tv;
1322 1340
1323 /* 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 */
… …
1395pendingcb (EV_P_ ev_prepare *w, int revents) 1413pendingcb (EV_P_ ev_prepare *w, int revents)
1396{ 1414{
1397} 1415}
1398 1416
1399void noinline 1417void noinline
1400ev_feed_event (EV_P_ void *w, int revents) 1418ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1401{ 1419{
1402 W w_ = (W)w; 1420 W w_ = (W)w;
1403 int pri = ABSPRI (w_); 1421 int pri = ABSPRI (w_);
1404 1422
1405 if (expect_false (w_->pending)) 1423 if (expect_false (w_->pending))
… …
1409 w_->pending = ++pendingcnt [pri]; 1427 w_->pending = ++pendingcnt [pri];
1410 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1428 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1411 pendings [pri][w_->pending - 1].w = w_; 1429 pendings [pri][w_->pending - 1].w = w_;
1412 pendings [pri][w_->pending - 1].events = revents; 1430 pendings [pri][w_->pending - 1].events = revents;
1413 } 1431 }
1432
1433 pendingpri = NUMPRI - 1;
1414} 1434}
1415 1435
1416inline_speed void 1436inline_speed void
1417feed_reverse (EV_P_ W w) 1437feed_reverse (EV_P_ W w)
1418{ 1438{
… …
1464 if (expect_true (!anfd->reify)) 1484 if (expect_true (!anfd->reify))
1465 fd_event_nocheck (EV_A_ fd, revents); 1485 fd_event_nocheck (EV_A_ fd, revents);
1466} 1486}
1467 1487
1468void 1488void
1469ev_feed_fd_event (EV_P_ int fd, int revents) 1489ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1470{ 1490{
1471 if (fd >= 0 && fd < anfdmax) 1491 if (fd >= 0 && fd < anfdmax)
1472 fd_event_nocheck (EV_A_ fd, revents); 1492 fd_event_nocheck (EV_A_ fd, revents);
1473} 1493}
1474 1494
… …
1823} 1843}
1824 1844
1825inline_speed void 1845inline_speed void
1826evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1846evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1827{ 1847{
1848 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1849
1828 if (expect_true (*flag)) 1850 if (expect_true (*flag))
1829 return; 1851 return;
1830 1852
1831 *flag = 1; 1853 *flag = 1;
1832 1854
… …
1851 write (evfd, &counter, sizeof (uint64_t)); 1873 write (evfd, &counter, sizeof (uint64_t));
1852 } 1874 }
1853 else 1875 else
1854#endif 1876#endif
1855 { 1877 {
1856 /* win32 people keep sending patches that change this write() to send() */ 1878#ifdef _WIN32
1857 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1879 WSABUF buf;
1858 /* so when you think this write should be a send instead, please find out */ 1880 DWORD sent;
1859 /* where your send() is from - it's definitely not the microsoft send, and */ 1881 buf.buf = &buf;
1860 /* tell me. thank you. */ 1882 buf.len = 1;
1883 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1884#else
1861 write (evpipe [1], &(evpipe [1]), 1); 1885 write (evpipe [1], &(evpipe [1]), 1);
1886#endif
1862 } 1887 }
1863 1888
1864 errno = old_errno; 1889 errno = old_errno;
1865 } 1890 }
1866} 1891}
… …
1881 read (evfd, &counter, sizeof (uint64_t)); 1906 read (evfd, &counter, sizeof (uint64_t));
1882 } 1907 }
1883 else 1908 else
1884#endif 1909#endif
1885 { 1910 {
1886 char dummy; 1911 char dummy[4];
1887 /* 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
1888 read (evpipe [0], &dummy, 1); 1920 read (evpipe [0], &dummy, sizeof (dummy));
1921#endif
1889 } 1922 }
1890 } 1923 }
1891 1924
1892 pipe_write_skipped = 0; 1925 pipe_write_skipped = 0;
1926
1927 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1893 1928
1894#if EV_SIGNAL_ENABLE 1929#if EV_SIGNAL_ENABLE
1895 if (sig_pending) 1930 if (sig_pending)
1896 { 1931 {
1897 sig_pending = 0; 1932 sig_pending = 0;
1933
1934 ECB_MEMORY_FENCE_RELEASE;
1898 1935
1899 for (i = EV_NSIG - 1; i--; ) 1936 for (i = EV_NSIG - 1; i--; )
1900 if (expect_false (signals [i].pending)) 1937 if (expect_false (signals [i].pending))
1901 ev_feed_signal_event (EV_A_ i + 1); 1938 ev_feed_signal_event (EV_A_ i + 1);
1902 } 1939 }
… …
1904 1941
1905#if EV_ASYNC_ENABLE 1942#if EV_ASYNC_ENABLE
1906 if (async_pending) 1943 if (async_pending)
1907 { 1944 {
1908 async_pending = 0; 1945 async_pending = 0;
1946
1947 ECB_MEMORY_FENCE_RELEASE;
1909 1948
1910 for (i = asynccnt; i--; ) 1949 for (i = asynccnt; i--; )
1911 if (asyncs [i]->sent) 1950 if (asyncs [i]->sent)
1912 { 1951 {
1913 asyncs [i]->sent = 0; 1952 asyncs [i]->sent = 0;
… …
1918} 1957}
1919 1958
1920/*****************************************************************************/ 1959/*****************************************************************************/
1921 1960
1922void 1961void
1923ev_feed_signal (int signum) 1962ev_feed_signal (int signum) EV_THROW
1924{ 1963{
1925#if EV_MULTIPLICITY 1964#if EV_MULTIPLICITY
1926 EV_P = signals [signum - 1].loop; 1965 EV_P = signals [signum - 1].loop;
1927 1966
1928 if (!EV_A) 1967 if (!EV_A)
… …
1945 1984
1946 ev_feed_signal (signum); 1985 ev_feed_signal (signum);
1947} 1986}
1948 1987
1949void noinline 1988void noinline
1950ev_feed_signal_event (EV_P_ int signum) 1989ev_feed_signal_event (EV_P_ int signum) EV_THROW
1951{ 1990{
1952 WL w; 1991 WL w;
1953 1992
1954 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1993 if (expect_false (signum <= 0 || signum > EV_NSIG))
1955 return; 1994 return;
… …
2071#if EV_USE_SELECT 2110#if EV_USE_SELECT
2072# include "ev_select.c" 2111# include "ev_select.c"
2073#endif 2112#endif
2074 2113
2075int ecb_cold 2114int ecb_cold
2076ev_version_major (void) 2115ev_version_major (void) EV_THROW
2077{ 2116{
2078 return EV_VERSION_MAJOR; 2117 return EV_VERSION_MAJOR;
2079} 2118}
2080 2119
2081int ecb_cold 2120int ecb_cold
2082ev_version_minor (void) 2121ev_version_minor (void) EV_THROW
2083{ 2122{
2084 return EV_VERSION_MINOR; 2123 return EV_VERSION_MINOR;
2085} 2124}
2086 2125
2087/* 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 */
… …
2095 || getgid () != getegid (); 2134 || getgid () != getegid ();
2096#endif 2135#endif
2097} 2136}
2098 2137
2099unsigned int ecb_cold 2138unsigned int ecb_cold
2100ev_supported_backends (void) 2139ev_supported_backends (void) EV_THROW
2101{ 2140{
2102 unsigned int flags = 0; 2141 unsigned int flags = 0;
2103 2142
2104 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2143 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2105 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2144 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2109 2148
2110 return flags; 2149 return flags;
2111} 2150}
2112 2151
2113unsigned int ecb_cold 2152unsigned int ecb_cold
2114ev_recommended_backends (void) 2153ev_recommended_backends (void) EV_THROW
2115{ 2154{
2116 unsigned int flags = ev_supported_backends (); 2155 unsigned int flags = ev_supported_backends ();
2117 2156
2118#ifndef __NetBSD__ 2157#ifndef __NetBSD__
2119 /* kqueue is borked on everything but netbsd apparently */ 2158 /* kqueue is borked on everything but netbsd apparently */
… …
2131 2170
2132 return flags; 2171 return flags;
2133} 2172}
2134 2173
2135unsigned int ecb_cold 2174unsigned int ecb_cold
2136ev_embeddable_backends (void) 2175ev_embeddable_backends (void) EV_THROW
2137{ 2176{
2138 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2177 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2139 2178
2140 /* 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 */
2141 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 */
… …
2143 2182
2144 return flags; 2183 return flags;
2145} 2184}
2146 2185
2147unsigned int 2186unsigned int
2148ev_backend (EV_P) 2187ev_backend (EV_P) EV_THROW
2149{ 2188{
2150 return backend; 2189 return backend;
2151} 2190}
2152 2191
2153#if EV_FEATURE_API 2192#if EV_FEATURE_API
2154unsigned int 2193unsigned int
2155ev_iteration (EV_P) 2194ev_iteration (EV_P) EV_THROW
2156{ 2195{
2157 return loop_count; 2196 return loop_count;
2158} 2197}
2159 2198
2160unsigned int 2199unsigned int
2161ev_depth (EV_P) 2200ev_depth (EV_P) EV_THROW
2162{ 2201{
2163 return loop_depth; 2202 return loop_depth;
2164} 2203}
2165 2204
2166void 2205void
2167ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2206ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2168{ 2207{
2169 io_blocktime = interval; 2208 io_blocktime = interval;
2170} 2209}
2171 2210
2172void 2211void
2173ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2212ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2174{ 2213{
2175 timeout_blocktime = interval; 2214 timeout_blocktime = interval;
2176} 2215}
2177 2216
2178void 2217void
2179ev_set_userdata (EV_P_ void *data) 2218ev_set_userdata (EV_P_ void *data) EV_THROW
2180{ 2219{
2181 userdata = data; 2220 userdata = data;
2182} 2221}
2183 2222
2184void * 2223void *
2185ev_userdata (EV_P) 2224ev_userdata (EV_P) EV_THROW
2186{ 2225{
2187 return userdata; 2226 return userdata;
2188} 2227}
2189 2228
2190void 2229void
2191ev_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
2192{ 2231{
2193 invoke_cb = invoke_pending_cb; 2232 invoke_cb = invoke_pending_cb;
2194} 2233}
2195 2234
2196void 2235void
2197ev_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
2198{ 2237{
2199 release_cb = release; 2238 release_cb = release;
2200 acquire_cb = acquire; 2239 acquire_cb = acquire;
2201} 2240}
2202#endif 2241#endif
2203 2242
2204/* initialise a loop structure, must be zero-initialised */ 2243/* initialise a loop structure, must be zero-initialised */
2205static void noinline ecb_cold 2244static void noinline ecb_cold
2206loop_init (EV_P_ unsigned int flags) 2245loop_init (EV_P_ unsigned int flags) EV_THROW
2207{ 2246{
2208 if (!backend) 2247 if (!backend)
2209 { 2248 {
2210 origflags = flags; 2249 origflags = flags;
2211 2250
… …
2316 EV_INVOKE_PENDING; 2355 EV_INVOKE_PENDING;
2317 } 2356 }
2318#endif 2357#endif
2319 2358
2320#if EV_CHILD_ENABLE 2359#if EV_CHILD_ENABLE
2321 if (ev_is_active (&childev)) 2360 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2322 { 2361 {
2323 ev_ref (EV_A); /* child watcher */ 2362 ev_ref (EV_A); /* child watcher */
2324 ev_signal_stop (EV_A_ &childev); 2363 ev_signal_stop (EV_A_ &childev);
2325 } 2364 }
2326#endif 2365#endif
… …
2464} 2503}
2465 2504
2466#if EV_MULTIPLICITY 2505#if EV_MULTIPLICITY
2467 2506
2468struct ev_loop * ecb_cold 2507struct ev_loop * ecb_cold
2469ev_loop_new (unsigned int flags) 2508ev_loop_new (unsigned int flags) EV_THROW
2470{ 2509{
2471 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2510 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2472 2511
2473 memset (EV_A, 0, sizeof (struct ev_loop)); 2512 memset (EV_A, 0, sizeof (struct ev_loop));
2474 loop_init (EV_A_ flags); 2513 loop_init (EV_A_ flags);
… …
2518} 2557}
2519#endif 2558#endif
2520 2559
2521#if EV_FEATURE_API 2560#if EV_FEATURE_API
2522void ecb_cold 2561void ecb_cold
2523ev_verify (EV_P) 2562ev_verify (EV_P) EV_THROW
2524{ 2563{
2525#if EV_VERIFY 2564#if EV_VERIFY
2526 int i; 2565 int i;
2527 WL w; 2566 WL w, w2;
2528 2567
2529 assert (activecnt >= -1); 2568 assert (activecnt >= -1);
2530 2569
2531 assert (fdchangemax >= fdchangecnt); 2570 assert (fdchangemax >= fdchangecnt);
2532 for (i = 0; i < fdchangecnt; ++i) 2571 for (i = 0; i < fdchangecnt; ++i)
2533 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2572 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2534 2573
2535 assert (anfdmax >= 0); 2574 assert (anfdmax >= 0);
2536 for (i = 0; i < anfdmax; ++i) 2575 for (i = 0; i < anfdmax; ++i)
2576 {
2577 int j = 0;
2578
2537 for (w = anfds [i].head; w; w = w->next) 2579 for (w = w2 = anfds [i].head; w; w = w->next)
2538 { 2580 {
2539 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
2540 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));
2541 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));
2542 } 2591 }
2592 }
2543 2593
2544 assert (timermax >= timercnt); 2594 assert (timermax >= timercnt);
2545 verify_heap (EV_A_ timers, timercnt); 2595 verify_heap (EV_A_ timers, timercnt);
2546 2596
2547#if EV_PERIODIC_ENABLE 2597#if EV_PERIODIC_ENABLE
… …
2597#if EV_MULTIPLICITY 2647#if EV_MULTIPLICITY
2598struct ev_loop * ecb_cold 2648struct ev_loop * ecb_cold
2599#else 2649#else
2600int 2650int
2601#endif 2651#endif
2602ev_default_loop (unsigned int flags) 2652ev_default_loop (unsigned int flags) EV_THROW
2603{ 2653{
2604 if (!ev_default_loop_ptr) 2654 if (!ev_default_loop_ptr)
2605 { 2655 {
2606#if EV_MULTIPLICITY 2656#if EV_MULTIPLICITY
2607 EV_P = ev_default_loop_ptr = &default_loop_struct; 2657 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2626 2676
2627 return ev_default_loop_ptr; 2677 return ev_default_loop_ptr;
2628} 2678}
2629 2679
2630void 2680void
2631ev_loop_fork (EV_P) 2681ev_loop_fork (EV_P) EV_THROW
2632{ 2682{
2633 postfork = 1; /* must be in line with ev_default_fork */ 2683 postfork = 1; /* must be in line with ev_default_fork */
2634} 2684}
2635 2685
2636/*****************************************************************************/ 2686/*****************************************************************************/
… …
2640{ 2690{
2641 EV_CB_INVOKE ((W)w, revents); 2691 EV_CB_INVOKE ((W)w, revents);
2642} 2692}
2643 2693
2644unsigned int 2694unsigned int
2645ev_pending_count (EV_P) 2695ev_pending_count (EV_P) EV_THROW
2646{ 2696{
2647 int pri; 2697 int pri;
2648 unsigned int count = 0; 2698 unsigned int count = 0;
2649 2699
2650 for (pri = NUMPRI; pri--; ) 2700 for (pri = NUMPRI; pri--; )
… …
2654} 2704}
2655 2705
2656void noinline 2706void noinline
2657ev_invoke_pending (EV_P) 2707ev_invoke_pending (EV_P)
2658{ 2708{
2659 int pri; 2709 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2660
2661 for (pri = NUMPRI; pri--; )
2662 while (pendingcnt [pri]) 2710 while (pendingcnt [pendingpri])
2663 { 2711 {
2664 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2712 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2665 2713
2666 p->w->pending = 0; 2714 p->w->pending = 0;
2667 EV_CB_INVOKE (p->w, p->events); 2715 EV_CB_INVOKE (p->w, p->events);
2668 EV_FREQUENT_CHECK; 2716 EV_FREQUENT_CHECK;
2669 } 2717 }
… …
2909 2957
2910 mn_now = ev_rt_now; 2958 mn_now = ev_rt_now;
2911 } 2959 }
2912} 2960}
2913 2961
2914void 2962int
2915ev_run (EV_P_ int flags) 2963ev_run (EV_P_ int flags)
2916{ 2964{
2917#if EV_FEATURE_API 2965#if EV_FEATURE_API
2918 ++loop_depth; 2966 ++loop_depth;
2919#endif 2967#endif
… …
3076 loop_done = EVBREAK_CANCEL; 3124 loop_done = EVBREAK_CANCEL;
3077 3125
3078#if EV_FEATURE_API 3126#if EV_FEATURE_API
3079 --loop_depth; 3127 --loop_depth;
3080#endif 3128#endif
3129
3130 return activecnt;
3081} 3131}
3082 3132
3083void 3133void
3084ev_break (EV_P_ int how) 3134ev_break (EV_P_ int how) EV_THROW
3085{ 3135{
3086 loop_done = how; 3136 loop_done = how;
3087} 3137}
3088 3138
3089void 3139void
3090ev_ref (EV_P) 3140ev_ref (EV_P) EV_THROW
3091{ 3141{
3092 ++activecnt; 3142 ++activecnt;
3093} 3143}
3094 3144
3095void 3145void
3096ev_unref (EV_P) 3146ev_unref (EV_P) EV_THROW
3097{ 3147{
3098 --activecnt; 3148 --activecnt;
3099} 3149}
3100 3150
3101void 3151void
3102ev_now_update (EV_P) 3152ev_now_update (EV_P) EV_THROW
3103{ 3153{
3104 time_update (EV_A_ 1e100); 3154 time_update (EV_A_ 1e100);
3105} 3155}
3106 3156
3107void 3157void
3108ev_suspend (EV_P) 3158ev_suspend (EV_P) EV_THROW
3109{ 3159{
3110 ev_now_update (EV_A); 3160 ev_now_update (EV_A);
3111} 3161}
3112 3162
3113void 3163void
3114ev_resume (EV_P) 3164ev_resume (EV_P) EV_THROW
3115{ 3165{
3116 ev_tstamp mn_prev = mn_now; 3166 ev_tstamp mn_prev = mn_now;
3117 3167
3118 ev_now_update (EV_A); 3168 ev_now_update (EV_A);
3119 timers_reschedule (EV_A_ mn_now - mn_prev); 3169 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3158 w->pending = 0; 3208 w->pending = 0;
3159 } 3209 }
3160} 3210}
3161 3211
3162int 3212int
3163ev_clear_pending (EV_P_ void *w) 3213ev_clear_pending (EV_P_ void *w) EV_THROW
3164{ 3214{
3165 W w_ = (W)w; 3215 W w_ = (W)w;
3166 int pending = w_->pending; 3216 int pending = w_->pending;
3167 3217
3168 if (expect_true (pending)) 3218 if (expect_true (pending))
… …
3201} 3251}
3202 3252
3203/*****************************************************************************/ 3253/*****************************************************************************/
3204 3254
3205void noinline 3255void noinline
3206ev_io_start (EV_P_ ev_io *w) 3256ev_io_start (EV_P_ ev_io *w) EV_THROW
3207{ 3257{
3208 int fd = w->fd; 3258 int fd = w->fd;
3209 3259
3210 if (expect_false (ev_is_active (w))) 3260 if (expect_false (ev_is_active (w)))
3211 return; 3261 return;
… …
3217 3267
3218 ev_start (EV_A_ (W)w, 1); 3268 ev_start (EV_A_ (W)w, 1);
3219 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3269 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3220 wlist_add (&anfds[fd].head, (WL)w); 3270 wlist_add (&anfds[fd].head, (WL)w);
3221 3271
3272 /* common bug, apparently */
3273 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3274
3222 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3275 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3223 w->events &= ~EV__IOFDSET; 3276 w->events &= ~EV__IOFDSET;
3224 3277
3225 EV_FREQUENT_CHECK; 3278 EV_FREQUENT_CHECK;
3226} 3279}
3227 3280
3228void noinline 3281void noinline
3229ev_io_stop (EV_P_ ev_io *w) 3282ev_io_stop (EV_P_ ev_io *w) EV_THROW
3230{ 3283{
3231 clear_pending (EV_A_ (W)w); 3284 clear_pending (EV_A_ (W)w);
3232 if (expect_false (!ev_is_active (w))) 3285 if (expect_false (!ev_is_active (w)))
3233 return; 3286 return;
3234 3287
… …
3243 3296
3244 EV_FREQUENT_CHECK; 3297 EV_FREQUENT_CHECK;
3245} 3298}
3246 3299
3247void noinline 3300void noinline
3248ev_timer_start (EV_P_ ev_timer *w) 3301ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3249{ 3302{
3250 if (expect_false (ev_is_active (w))) 3303 if (expect_false (ev_is_active (w)))
3251 return; 3304 return;
3252 3305
3253 ev_at (w) += mn_now; 3306 ev_at (w) += mn_now;
… …
3267 3320
3268 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3321 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3269} 3322}
3270 3323
3271void noinline 3324void noinline
3272ev_timer_stop (EV_P_ ev_timer *w) 3325ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3273{ 3326{
3274 clear_pending (EV_A_ (W)w); 3327 clear_pending (EV_A_ (W)w);
3275 if (expect_false (!ev_is_active (w))) 3328 if (expect_false (!ev_is_active (w)))
3276 return; 3329 return;
3277 3330
… …
3297 3350
3298 EV_FREQUENT_CHECK; 3351 EV_FREQUENT_CHECK;
3299} 3352}
3300 3353
3301void noinline 3354void noinline
3302ev_timer_again (EV_P_ ev_timer *w) 3355ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3303{ 3356{
3304 EV_FREQUENT_CHECK; 3357 EV_FREQUENT_CHECK;
3305 3358
3306 clear_pending (EV_A_ (W)w); 3359 clear_pending (EV_A_ (W)w);
3307 3360
… …
3324 3377
3325 EV_FREQUENT_CHECK; 3378 EV_FREQUENT_CHECK;
3326} 3379}
3327 3380
3328ev_tstamp 3381ev_tstamp
3329ev_timer_remaining (EV_P_ ev_timer *w) 3382ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3330{ 3383{
3331 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3384 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3332} 3385}
3333 3386
3334#if EV_PERIODIC_ENABLE 3387#if EV_PERIODIC_ENABLE
3335void noinline 3388void noinline
3336ev_periodic_start (EV_P_ ev_periodic *w) 3389ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3337{ 3390{
3338 if (expect_false (ev_is_active (w))) 3391 if (expect_false (ev_is_active (w)))
3339 return; 3392 return;
3340 3393
3341 if (w->reschedule_cb) 3394 if (w->reschedule_cb)
… …
3361 3414
3362 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3415 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3363} 3416}
3364 3417
3365void noinline 3418void noinline
3366ev_periodic_stop (EV_P_ ev_periodic *w) 3419ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3367{ 3420{
3368 clear_pending (EV_A_ (W)w); 3421 clear_pending (EV_A_ (W)w);
3369 if (expect_false (!ev_is_active (w))) 3422 if (expect_false (!ev_is_active (w)))
3370 return; 3423 return;
3371 3424
… …
3389 3442
3390 EV_FREQUENT_CHECK; 3443 EV_FREQUENT_CHECK;
3391} 3444}
3392 3445
3393void noinline 3446void noinline
3394ev_periodic_again (EV_P_ ev_periodic *w) 3447ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3395{ 3448{
3396 /* TODO: use adjustheap and recalculation */ 3449 /* TODO: use adjustheap and recalculation */
3397 ev_periodic_stop (EV_A_ w); 3450 ev_periodic_stop (EV_A_ w);
3398 ev_periodic_start (EV_A_ w); 3451 ev_periodic_start (EV_A_ w);
3399} 3452}
… …
3404#endif 3457#endif
3405 3458
3406#if EV_SIGNAL_ENABLE 3459#if EV_SIGNAL_ENABLE
3407 3460
3408void noinline 3461void noinline
3409ev_signal_start (EV_P_ ev_signal *w) 3462ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3410{ 3463{
3411 if (expect_false (ev_is_active (w))) 3464 if (expect_false (ev_is_active (w)))
3412 return; 3465 return;
3413 3466
3414 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3467 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3485 3538
3486 EV_FREQUENT_CHECK; 3539 EV_FREQUENT_CHECK;
3487} 3540}
3488 3541
3489void noinline 3542void noinline
3490ev_signal_stop (EV_P_ ev_signal *w) 3543ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3491{ 3544{
3492 clear_pending (EV_A_ (W)w); 3545 clear_pending (EV_A_ (W)w);
3493 if (expect_false (!ev_is_active (w))) 3546 if (expect_false (!ev_is_active (w)))
3494 return; 3547 return;
3495 3548
… …
3526#endif 3579#endif
3527 3580
3528#if EV_CHILD_ENABLE 3581#if EV_CHILD_ENABLE
3529 3582
3530void 3583void
3531ev_child_start (EV_P_ ev_child *w) 3584ev_child_start (EV_P_ ev_child *w) EV_THROW
3532{ 3585{
3533#if EV_MULTIPLICITY 3586#if EV_MULTIPLICITY
3534 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3587 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3535#endif 3588#endif
3536 if (expect_false (ev_is_active (w))) 3589 if (expect_false (ev_is_active (w)))
… …
3543 3596
3544 EV_FREQUENT_CHECK; 3597 EV_FREQUENT_CHECK;
3545} 3598}
3546 3599
3547void 3600void
3548ev_child_stop (EV_P_ ev_child *w) 3601ev_child_stop (EV_P_ ev_child *w) EV_THROW
3549{ 3602{
3550 clear_pending (EV_A_ (W)w); 3603 clear_pending (EV_A_ (W)w);
3551 if (expect_false (!ev_is_active (w))) 3604 if (expect_false (!ev_is_active (w)))
3552 return; 3605 return;
3553 3606
… …
3720} 3773}
3721 3774
3722inline_size int 3775inline_size int
3723infy_newfd (void) 3776infy_newfd (void)
3724{ 3777{
3725#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3778#if defined IN_CLOEXEC && defined IN_NONBLOCK
3726 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3779 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3727 if (fd >= 0) 3780 if (fd >= 0)
3728 return fd; 3781 return fd;
3729#endif 3782#endif
3730 return inotify_init (); 3783 return inotify_init ();
… …
3805#else 3858#else
3806# define EV_LSTAT(p,b) lstat (p, b) 3859# define EV_LSTAT(p,b) lstat (p, b)
3807#endif 3860#endif
3808 3861
3809void 3862void
3810ev_stat_stat (EV_P_ ev_stat *w) 3863ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3811{ 3864{
3812 if (lstat (w->path, &w->attr) < 0) 3865 if (lstat (w->path, &w->attr) < 0)
3813 w->attr.st_nlink = 0; 3866 w->attr.st_nlink = 0;
3814 else if (!w->attr.st_nlink) 3867 else if (!w->attr.st_nlink)
3815 w->attr.st_nlink = 1; 3868 w->attr.st_nlink = 1;
… …
3854 ev_feed_event (EV_A_ w, EV_STAT); 3907 ev_feed_event (EV_A_ w, EV_STAT);
3855 } 3908 }
3856} 3909}
3857 3910
3858void 3911void
3859ev_stat_start (EV_P_ ev_stat *w) 3912ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3860{ 3913{
3861 if (expect_false (ev_is_active (w))) 3914 if (expect_false (ev_is_active (w)))
3862 return; 3915 return;
3863 3916
3864 ev_stat_stat (EV_A_ w); 3917 ev_stat_stat (EV_A_ w);
… …
3885 3938
3886 EV_FREQUENT_CHECK; 3939 EV_FREQUENT_CHECK;
3887} 3940}
3888 3941
3889void 3942void
3890ev_stat_stop (EV_P_ ev_stat *w) 3943ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3891{ 3944{
3892 clear_pending (EV_A_ (W)w); 3945 clear_pending (EV_A_ (W)w);
3893 if (expect_false (!ev_is_active (w))) 3946 if (expect_false (!ev_is_active (w)))
3894 return; 3947 return;
3895 3948
… …
3911} 3964}
3912#endif 3965#endif
3913 3966
3914#if EV_IDLE_ENABLE 3967#if EV_IDLE_ENABLE
3915void 3968void
3916ev_idle_start (EV_P_ ev_idle *w) 3969ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3917{ 3970{
3918 if (expect_false (ev_is_active (w))) 3971 if (expect_false (ev_is_active (w)))
3919 return; 3972 return;
3920 3973
3921 pri_adjust (EV_A_ (W)w); 3974 pri_adjust (EV_A_ (W)w);
… …
3934 3987
3935 EV_FREQUENT_CHECK; 3988 EV_FREQUENT_CHECK;
3936} 3989}
3937 3990
3938void 3991void
3939ev_idle_stop (EV_P_ ev_idle *w) 3992ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3940{ 3993{
3941 clear_pending (EV_A_ (W)w); 3994 clear_pending (EV_A_ (W)w);
3942 if (expect_false (!ev_is_active (w))) 3995 if (expect_false (!ev_is_active (w)))
3943 return; 3996 return;
3944 3997
… …
3958} 4011}
3959#endif 4012#endif
3960 4013
3961#if EV_PREPARE_ENABLE 4014#if EV_PREPARE_ENABLE
3962void 4015void
3963ev_prepare_start (EV_P_ ev_prepare *w) 4016ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3964{ 4017{
3965 if (expect_false (ev_is_active (w))) 4018 if (expect_false (ev_is_active (w)))
3966 return; 4019 return;
3967 4020
3968 EV_FREQUENT_CHECK; 4021 EV_FREQUENT_CHECK;
… …
3973 4026
3974 EV_FREQUENT_CHECK; 4027 EV_FREQUENT_CHECK;
3975} 4028}
3976 4029
3977void 4030void
3978ev_prepare_stop (EV_P_ ev_prepare *w) 4031ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3979{ 4032{
3980 clear_pending (EV_A_ (W)w); 4033 clear_pending (EV_A_ (W)w);
3981 if (expect_false (!ev_is_active (w))) 4034 if (expect_false (!ev_is_active (w)))
3982 return; 4035 return;
3983 4036
… …
3996} 4049}
3997#endif 4050#endif
3998 4051
3999#if EV_CHECK_ENABLE 4052#if EV_CHECK_ENABLE
4000void 4053void
4001ev_check_start (EV_P_ ev_check *w) 4054ev_check_start (EV_P_ ev_check *w) EV_THROW
4002{ 4055{
4003 if (expect_false (ev_is_active (w))) 4056 if (expect_false (ev_is_active (w)))
4004 return; 4057 return;
4005 4058
4006 EV_FREQUENT_CHECK; 4059 EV_FREQUENT_CHECK;
… …
4011 4064
4012 EV_FREQUENT_CHECK; 4065 EV_FREQUENT_CHECK;
4013} 4066}
4014 4067
4015void 4068void
4016ev_check_stop (EV_P_ ev_check *w) 4069ev_check_stop (EV_P_ ev_check *w) EV_THROW
4017{ 4070{
4018 clear_pending (EV_A_ (W)w); 4071 clear_pending (EV_A_ (W)w);
4019 if (expect_false (!ev_is_active (w))) 4072 if (expect_false (!ev_is_active (w)))
4020 return; 4073 return;
4021 4074
… …
4034} 4087}
4035#endif 4088#endif
4036 4089
4037#if EV_EMBED_ENABLE 4090#if EV_EMBED_ENABLE
4038void noinline 4091void noinline
4039ev_embed_sweep (EV_P_ ev_embed *w) 4092ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4040{ 4093{
4041 ev_run (w->other, EVRUN_NOWAIT); 4094 ev_run (w->other, EVRUN_NOWAIT);
4042} 4095}
4043 4096
4044static void 4097static void
… …
4092 ev_idle_stop (EV_A_ idle); 4145 ev_idle_stop (EV_A_ idle);
4093} 4146}
4094#endif 4147#endif
4095 4148
4096void 4149void
4097ev_embed_start (EV_P_ ev_embed *w) 4150ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4098{ 4151{
4099 if (expect_false (ev_is_active (w))) 4152 if (expect_false (ev_is_active (w)))
4100 return; 4153 return;
4101 4154
4102 { 4155 {
… …
4123 4176
4124 EV_FREQUENT_CHECK; 4177 EV_FREQUENT_CHECK;
4125} 4178}
4126 4179
4127void 4180void
4128ev_embed_stop (EV_P_ ev_embed *w) 4181ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4129{ 4182{
4130 clear_pending (EV_A_ (W)w); 4183 clear_pending (EV_A_ (W)w);
4131 if (expect_false (!ev_is_active (w))) 4184 if (expect_false (!ev_is_active (w)))
4132 return; 4185 return;
4133 4186
… …
4143} 4196}
4144#endif 4197#endif
4145 4198
4146#if EV_FORK_ENABLE 4199#if EV_FORK_ENABLE
4147void 4200void
4148ev_fork_start (EV_P_ ev_fork *w) 4201ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4149{ 4202{
4150 if (expect_false (ev_is_active (w))) 4203 if (expect_false (ev_is_active (w)))
4151 return; 4204 return;
4152 4205
4153 EV_FREQUENT_CHECK; 4206 EV_FREQUENT_CHECK;
… …
4158 4211
4159 EV_FREQUENT_CHECK; 4212 EV_FREQUENT_CHECK;
4160} 4213}
4161 4214
4162void 4215void
4163ev_fork_stop (EV_P_ ev_fork *w) 4216ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4164{ 4217{
4165 clear_pending (EV_A_ (W)w); 4218 clear_pending (EV_A_ (W)w);
4166 if (expect_false (!ev_is_active (w))) 4219 if (expect_false (!ev_is_active (w)))
4167 return; 4220 return;
4168 4221
… …
4181} 4234}
4182#endif 4235#endif
4183 4236
4184#if EV_CLEANUP_ENABLE 4237#if EV_CLEANUP_ENABLE
4185void 4238void
4186ev_cleanup_start (EV_P_ ev_cleanup *w) 4239ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4187{ 4240{
4188 if (expect_false (ev_is_active (w))) 4241 if (expect_false (ev_is_active (w)))
4189 return; 4242 return;
4190 4243
4191 EV_FREQUENT_CHECK; 4244 EV_FREQUENT_CHECK;
… …
4198 ev_unref (EV_A); 4251 ev_unref (EV_A);
4199 EV_FREQUENT_CHECK; 4252 EV_FREQUENT_CHECK;
4200} 4253}
4201 4254
4202void 4255void
4203ev_cleanup_stop (EV_P_ ev_cleanup *w) 4256ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4204{ 4257{
4205 clear_pending (EV_A_ (W)w); 4258 clear_pending (EV_A_ (W)w);
4206 if (expect_false (!ev_is_active (w))) 4259 if (expect_false (!ev_is_active (w)))
4207 return; 4260 return;
4208 4261
… …
4222} 4275}
4223#endif 4276#endif
4224 4277
4225#if EV_ASYNC_ENABLE 4278#if EV_ASYNC_ENABLE
4226void 4279void
4227ev_async_start (EV_P_ ev_async *w) 4280ev_async_start (EV_P_ ev_async *w) EV_THROW
4228{ 4281{
4229 if (expect_false (ev_is_active (w))) 4282 if (expect_false (ev_is_active (w)))
4230 return; 4283 return;
4231 4284
4232 w->sent = 0; 4285 w->sent = 0;
… …
4241 4294
4242 EV_FREQUENT_CHECK; 4295 EV_FREQUENT_CHECK;
4243} 4296}
4244 4297
4245void 4298void
4246ev_async_stop (EV_P_ ev_async *w) 4299ev_async_stop (EV_P_ ev_async *w) EV_THROW
4247{ 4300{
4248 clear_pending (EV_A_ (W)w); 4301 clear_pending (EV_A_ (W)w);
4249 if (expect_false (!ev_is_active (w))) 4302 if (expect_false (!ev_is_active (w)))
4250 return; 4303 return;
4251 4304
… …
4262 4315
4263 EV_FREQUENT_CHECK; 4316 EV_FREQUENT_CHECK;
4264} 4317}
4265 4318
4266void 4319void
4267ev_async_send (EV_P_ ev_async *w) 4320ev_async_send (EV_P_ ev_async *w) EV_THROW
4268{ 4321{
4269 w->sent = 1; 4322 w->sent = 1;
4270 evpipe_write (EV_A_ &async_pending); 4323 evpipe_write (EV_A_ &async_pending);
4271} 4324}
4272#endif 4325#endif
… …
4309 4362
4310 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4363 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4311} 4364}
4312 4365
4313void 4366void
4314ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4367ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4315{ 4368{
4316 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4369 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4317 4370
4318 if (expect_false (!once)) 4371 if (expect_false (!once))
4319 { 4372 {
… …
4341 4394
4342/*****************************************************************************/ 4395/*****************************************************************************/
4343 4396
4344#if EV_WALK_ENABLE 4397#if EV_WALK_ENABLE
4345void ecb_cold 4398void ecb_cold
4346ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4399ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4347{ 4400{
4348 int i, j; 4401 int i, j;
4349 ev_watcher_list *wl, *wn; 4402 ev_watcher_list *wl, *wn;
4350 4403
4351 if (types & (EV_IO | EV_EMBED)) 4404 if (types & (EV_IO | EV_EMBED))

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