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Comparing libev/ev.c (file contents):
Revision 1.414 by root, Sat Mar 24 19:38:51 2012 UTC vs.
Revision 1.429 by root, Tue May 8 15:50:49 2012 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
59# endif 59# endif
60# ifndef EV_USE_MONOTONIC 60# ifndef EV_USE_MONOTONIC
61# define EV_USE_MONOTONIC 1 61# define EV_USE_MONOTONIC 1
62# endif 62# endif
63# endif 63# endif
64# elif !defined(EV_USE_CLOCK_SYSCALL) 64# elif !defined EV_USE_CLOCK_SYSCALL
65# define EV_USE_CLOCK_SYSCALL 0 65# define EV_USE_CLOCK_SYSCALL 0
66# endif 66# endif
67 67
68# if HAVE_CLOCK_GETTIME 68# if HAVE_CLOCK_GETTIME
69# ifndef EV_USE_MONOTONIC 69# ifndef EV_USE_MONOTONIC
… …
202# include <unistd.h> 202# include <unistd.h>
203#else 203#else
204# include <io.h> 204# include <io.h>
205# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <windows.h> 206# include <windows.h>
207# include <winsock2.h>
207# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
208# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
209# endif 210# endif
210# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
211#endif 212#endif
… …
219#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
220 221
221/* this block tries to deduce configuration from header-defined symbols and defaults */ 222/* this block tries to deduce configuration from header-defined symbols and defaults */
222 223
223/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
224#if defined (EV_NSIG) 225#if defined EV_NSIG
225/* use what's provided */ 226/* use what's provided */
226#elif defined (NSIG) 227#elif defined NSIG
227# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
228#elif defined(_NSIG) 229#elif defined _NSIG
229# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
230#elif defined (SIGMAX) 231#elif defined SIGMAX
231# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
232#elif defined (SIG_MAX) 233#elif defined SIG_MAX
233# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
234#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
235# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
236#elif defined (MAXSIG) 237#elif defined MAXSIG
237# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
238#elif defined (MAX_SIG) 239#elif defined MAX_SIG
239# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
240#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
241# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
242#elif defined (_sys_nsig) 243#elif defined _sys_nsig
243# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
244#else 245#else
245# error "unable to find value for NSIG, please report" 246# error "unable to find value for NSIG, please report"
246/* to make it compile regardless, just remove the above line, */ 247/* to make it compile regardless, just remove the above line, */
247/* but consider reporting it, too! :) */ 248/* but consider reporting it, too! :) */
… …
259# define EV_USE_CLOCK_SYSCALL 0 260# define EV_USE_CLOCK_SYSCALL 0
260# endif 261# endif
261#endif 262#endif
262 263
263#ifndef EV_USE_MONOTONIC 264#ifndef EV_USE_MONOTONIC
264# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 265# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
265# define EV_USE_MONOTONIC EV_FEATURE_OS 266# define EV_USE_MONOTONIC EV_FEATURE_OS
266# else 267# else
267# define EV_USE_MONOTONIC 0 268# define EV_USE_MONOTONIC 0
268# endif 269# endif
269#endif 270#endif
… …
359#endif 360#endif
360 361
361/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 362/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
362/* which makes programs even slower. might work on other unices, too. */ 363/* which makes programs even slower. might work on other unices, too. */
363#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
364# include <syscall.h> 365# include <sys/syscall.h>
365# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
366# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
368# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
369# else 370# else
… …
395# define EV_USE_INOTIFY 0 396# define EV_USE_INOTIFY 0
396#endif 397#endif
397 398
398#if !EV_USE_NANOSLEEP 399#if !EV_USE_NANOSLEEP
399/* hp-ux has it in sys/time.h, which we unconditionally include above */ 400/* hp-ux has it in sys/time.h, which we unconditionally include above */
400# if !defined(_WIN32) && !defined(__hpux) 401# if !defined _WIN32 && !defined __hpux
401# include <sys/select.h> 402# include <sys/select.h>
402# endif 403# endif
403#endif 404#endif
404 405
405#if EV_USE_INOTIFY 406#if EV_USE_INOTIFY
… …
533 * or so. 534 * or so.
534 * we try to detect these and simply assume they are not gcc - if they have 535 * 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. 536 * an issue with that they should have done it right in the first place.
536 */ 537 */
537#ifndef ECB_GCC_VERSION 538#ifndef ECB_GCC_VERSION
538 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 539 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
539 #define ECB_GCC_VERSION(major,minor) 0 540 #define ECB_GCC_VERSION(major,minor) 0
540 #else 541 #else
541 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 542 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
542 #endif 543 #endif
543#endif 544#endif
… …
554#if ECB_NO_THREADS || ECB_NO_SMP 555#if ECB_NO_THREADS || ECB_NO_SMP
555 #define ECB_MEMORY_FENCE do { } while (0) 556 #define ECB_MEMORY_FENCE do { } while (0)
556#endif 557#endif
557 558
558#ifndef ECB_MEMORY_FENCE 559#ifndef ECB_MEMORY_FENCE
559 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 560 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560 #if __i386 || __i386__ 561 #if __i386 || __i386__
561 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 562 #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 */ 563 #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 */ 564 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 565 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 566 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 567 #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 */ 568 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 569 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 570 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 571 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 572 || 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") 573 #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__ ) \ 574 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 575 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 576 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576 #elif __sparc || __sparc__ 577 #elif __sparc || __sparc__
577 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") 578 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
578 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 579 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 580 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580 #elif defined(__s390__) || defined(__s390x__) 581 #elif defined __s390__ || defined __s390x__
581 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") 582 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582 #elif defined(__mips__) 583 #elif defined __mips__
583 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 584 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
585 #elif defined __alpha__
586 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
584 #endif 587 #endif
585 #endif 588 #endif
586#endif 589#endif
587 590
588#ifndef ECB_MEMORY_FENCE 591#ifndef ECB_MEMORY_FENCE
589 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 592 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
590 #define ECB_MEMORY_FENCE __sync_synchronize () 593 #define ECB_MEMORY_FENCE __sync_synchronize ()
591 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ 594 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
592 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ 595 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
593 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 596 #elif _MSC_VER >= 1400 /* VC++ 2005 */
594 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 597 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
595 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 598 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
596 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 599 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
597 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 600 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
598 #elif defined(_WIN32) 601 #elif defined _WIN32
599 #include <WinNT.h> 602 #include <WinNT.h>
600 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 603 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
601 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 604 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
602 #include <mbarrier.h> 605 #include <mbarrier.h>
603 #define ECB_MEMORY_FENCE __machine_rw_barrier () 606 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
… …
624 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 627 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
625 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 628 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
626 #endif 629 #endif
627#endif 630#endif
628 631
629#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
630 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
631#endif 634#endif
632 635
633#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 636#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
634 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 637 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
635#endif 638#endif
636 639
637/*****************************************************************************/ 640/*****************************************************************************/
638 641
… …
1103{ 1106{
1104 write (STDERR_FILENO, msg, strlen (msg)); 1107 write (STDERR_FILENO, msg, strlen (msg));
1105} 1108}
1106#endif 1109#endif
1107 1110
1108static void (*syserr_cb)(const char *msg); 1111static void (*syserr_cb)(const char *msg) EV_THROW;
1109 1112
1110void ecb_cold 1113void ecb_cold
1111ev_set_syserr_cb (void (*cb)(const char *msg)) 1114ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1112{ 1115{
1113 syserr_cb = cb; 1116 syserr_cb = cb;
1114} 1117}
1115 1118
1116static void noinline ecb_cold 1119static void noinline ecb_cold
… …
1152 free (ptr); 1155 free (ptr);
1153 return 0; 1156 return 0;
1154#endif 1157#endif
1155} 1158}
1156 1159
1157static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1160static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1158 1161
1159void ecb_cold 1162void ecb_cold
1160ev_set_allocator (void *(*cb)(void *ptr, long size)) 1163ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1161{ 1164{
1162 alloc = cb; 1165 alloc = cb;
1163} 1166}
1164 1167
1165inline_speed void * 1168inline_speed void *
… …
1282 1285
1283/*****************************************************************************/ 1286/*****************************************************************************/
1284 1287
1285#ifndef EV_HAVE_EV_TIME 1288#ifndef EV_HAVE_EV_TIME
1286ev_tstamp 1289ev_tstamp
1287ev_time (void) 1290ev_time (void) EV_THROW
1288{ 1291{
1289#if EV_USE_REALTIME 1292#if EV_USE_REALTIME
1290 if (expect_true (have_realtime)) 1293 if (expect_true (have_realtime))
1291 { 1294 {
1292 struct timespec ts; 1295 struct timespec ts;
… …
1316 return ev_time (); 1319 return ev_time ();
1317} 1320}
1318 1321
1319#if EV_MULTIPLICITY 1322#if EV_MULTIPLICITY
1320ev_tstamp 1323ev_tstamp
1321ev_now (EV_P) 1324ev_now (EV_P) EV_THROW
1322{ 1325{
1323 return ev_rt_now; 1326 return ev_rt_now;
1324} 1327}
1325#endif 1328#endif
1326 1329
1327void 1330void
1328ev_sleep (ev_tstamp delay) 1331ev_sleep (ev_tstamp delay) EV_THROW
1329{ 1332{
1330 if (delay > 0.) 1333 if (delay > 0.)
1331 { 1334 {
1332#if EV_USE_NANOSLEEP 1335#if EV_USE_NANOSLEEP
1333 struct timespec ts; 1336 struct timespec ts;
1334 1337
1335 EV_TS_SET (ts, delay); 1338 EV_TS_SET (ts, delay);
1336 nanosleep (&ts, 0); 1339 nanosleep (&ts, 0);
1337#elif defined(_WIN32) 1340#elif defined _WIN32
1338 Sleep ((unsigned long)(delay * 1e3)); 1341 Sleep ((unsigned long)(delay * 1e3));
1339#else 1342#else
1340 struct timeval tv; 1343 struct timeval tv;
1341 1344
1342 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1345 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
1414pendingcb (EV_P_ ev_prepare *w, int revents) 1417pendingcb (EV_P_ ev_prepare *w, int revents)
1415{ 1418{
1416} 1419}
1417 1420
1418void noinline 1421void noinline
1419ev_feed_event (EV_P_ void *w, int revents) 1422ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1420{ 1423{
1421 W w_ = (W)w; 1424 W w_ = (W)w;
1422 int pri = ABSPRI (w_); 1425 int pri = ABSPRI (w_);
1423 1426
1424 if (expect_false (w_->pending)) 1427 if (expect_false (w_->pending))
… …
1428 w_->pending = ++pendingcnt [pri]; 1431 w_->pending = ++pendingcnt [pri];
1429 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1432 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1430 pendings [pri][w_->pending - 1].w = w_; 1433 pendings [pri][w_->pending - 1].w = w_;
1431 pendings [pri][w_->pending - 1].events = revents; 1434 pendings [pri][w_->pending - 1].events = revents;
1432 } 1435 }
1436
1437 pendingpri = NUMPRI - 1;
1433} 1438}
1434 1439
1435inline_speed void 1440inline_speed void
1436feed_reverse (EV_P_ W w) 1441feed_reverse (EV_P_ W w)
1437{ 1442{
… …
1483 if (expect_true (!anfd->reify)) 1488 if (expect_true (!anfd->reify))
1484 fd_event_nocheck (EV_A_ fd, revents); 1489 fd_event_nocheck (EV_A_ fd, revents);
1485} 1490}
1486 1491
1487void 1492void
1488ev_feed_fd_event (EV_P_ int fd, int revents) 1493ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1489{ 1494{
1490 if (fd >= 0 && fd < anfdmax) 1495 if (fd >= 0 && fd < anfdmax)
1491 fd_event_nocheck (EV_A_ fd, revents); 1496 fd_event_nocheck (EV_A_ fd, revents);
1492} 1497}
1493 1498
… …
1842} 1847}
1843 1848
1844inline_speed void 1849inline_speed void
1845evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1850evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1846{ 1851{
1852 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1853
1847 if (expect_true (*flag)) 1854 if (expect_true (*flag))
1848 return; 1855 return;
1849 1856
1850 *flag = 1; 1857 *flag = 1;
1851 1858
… …
1870 write (evfd, &counter, sizeof (uint64_t)); 1877 write (evfd, &counter, sizeof (uint64_t));
1871 } 1878 }
1872 else 1879 else
1873#endif 1880#endif
1874 { 1881 {
1875 /* win32 people keep sending patches that change this write() to send() */ 1882#ifdef _WIN32
1876 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1883 WSABUF buf;
1877 /* so when you think this write should be a send instead, please find out */ 1884 DWORD sent;
1878 /* where your send() is from - it's definitely not the microsoft send, and */ 1885 buf.buf = &buf;
1879 /* tell me. thank you. */ 1886 buf.len = 1;
1880 /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */ 1887 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1881 /* check the ev documentation on how to use this flag */ 1888#else
1882 write (evpipe [1], &(evpipe [1]), 1); 1889 write (evpipe [1], &(evpipe [1]), 1);
1890#endif
1883 } 1891 }
1884 1892
1885 errno = old_errno; 1893 errno = old_errno;
1886 } 1894 }
1887} 1895}
… …
1902 read (evfd, &counter, sizeof (uint64_t)); 1910 read (evfd, &counter, sizeof (uint64_t));
1903 } 1911 }
1904 else 1912 else
1905#endif 1913#endif
1906 { 1914 {
1907 char dummy; 1915 char dummy[4];
1908 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1916#ifdef _WIN32
1917 WSABUF buf;
1918 DWORD recvd;
1919 buf.buf = dummy;
1920 buf.len = sizeof (dummy);
1921 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0);
1922#else
1909 read (evpipe [0], &dummy, 1); 1923 read (evpipe [0], &dummy, sizeof (dummy));
1924#endif
1910 } 1925 }
1911 } 1926 }
1912 1927
1913 pipe_write_skipped = 0; 1928 pipe_write_skipped = 0;
1929
1930 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1914 1931
1915#if EV_SIGNAL_ENABLE 1932#if EV_SIGNAL_ENABLE
1916 if (sig_pending) 1933 if (sig_pending)
1917 { 1934 {
1918 sig_pending = 0; 1935 sig_pending = 0;
1936
1937 ECB_MEMORY_FENCE_RELEASE;
1919 1938
1920 for (i = EV_NSIG - 1; i--; ) 1939 for (i = EV_NSIG - 1; i--; )
1921 if (expect_false (signals [i].pending)) 1940 if (expect_false (signals [i].pending))
1922 ev_feed_signal_event (EV_A_ i + 1); 1941 ev_feed_signal_event (EV_A_ i + 1);
1923 } 1942 }
… …
1925 1944
1926#if EV_ASYNC_ENABLE 1945#if EV_ASYNC_ENABLE
1927 if (async_pending) 1946 if (async_pending)
1928 { 1947 {
1929 async_pending = 0; 1948 async_pending = 0;
1949
1950 ECB_MEMORY_FENCE_RELEASE;
1930 1951
1931 for (i = asynccnt; i--; ) 1952 for (i = asynccnt; i--; )
1932 if (asyncs [i]->sent) 1953 if (asyncs [i]->sent)
1933 { 1954 {
1934 asyncs [i]->sent = 0; 1955 asyncs [i]->sent = 0;
… …
1939} 1960}
1940 1961
1941/*****************************************************************************/ 1962/*****************************************************************************/
1942 1963
1943void 1964void
1944ev_feed_signal (int signum) 1965ev_feed_signal (int signum) EV_THROW
1945{ 1966{
1946#if EV_MULTIPLICITY 1967#if EV_MULTIPLICITY
1947 EV_P = signals [signum - 1].loop; 1968 EV_P = signals [signum - 1].loop;
1948 1969
1949 if (!EV_A) 1970 if (!EV_A)
… …
1966 1987
1967 ev_feed_signal (signum); 1988 ev_feed_signal (signum);
1968} 1989}
1969 1990
1970void noinline 1991void noinline
1971ev_feed_signal_event (EV_P_ int signum) 1992ev_feed_signal_event (EV_P_ int signum) EV_THROW
1972{ 1993{
1973 WL w; 1994 WL w;
1974 1995
1975 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1996 if (expect_false (signum <= 0 || signum > EV_NSIG))
1976 return; 1997 return;
… …
2092#if EV_USE_SELECT 2113#if EV_USE_SELECT
2093# include "ev_select.c" 2114# include "ev_select.c"
2094#endif 2115#endif
2095 2116
2096int ecb_cold 2117int ecb_cold
2097ev_version_major (void) 2118ev_version_major (void) EV_THROW
2098{ 2119{
2099 return EV_VERSION_MAJOR; 2120 return EV_VERSION_MAJOR;
2100} 2121}
2101 2122
2102int ecb_cold 2123int ecb_cold
2103ev_version_minor (void) 2124ev_version_minor (void) EV_THROW
2104{ 2125{
2105 return EV_VERSION_MINOR; 2126 return EV_VERSION_MINOR;
2106} 2127}
2107 2128
2108/* return true if we are running with elevated privileges and should ignore env variables */ 2129/* return true if we are running with elevated privileges and should ignore env variables */
… …
2116 || getgid () != getegid (); 2137 || getgid () != getegid ();
2117#endif 2138#endif
2118} 2139}
2119 2140
2120unsigned int ecb_cold 2141unsigned int ecb_cold
2121ev_supported_backends (void) 2142ev_supported_backends (void) EV_THROW
2122{ 2143{
2123 unsigned int flags = 0; 2144 unsigned int flags = 0;
2124 2145
2125 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2146 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2126 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2147 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2130 2151
2131 return flags; 2152 return flags;
2132} 2153}
2133 2154
2134unsigned int ecb_cold 2155unsigned int ecb_cold
2135ev_recommended_backends (void) 2156ev_recommended_backends (void) EV_THROW
2136{ 2157{
2137 unsigned int flags = ev_supported_backends (); 2158 unsigned int flags = ev_supported_backends ();
2138 2159
2139#ifndef __NetBSD__ 2160#ifndef __NetBSD__
2140 /* kqueue is borked on everything but netbsd apparently */ 2161 /* kqueue is borked on everything but netbsd apparently */
… …
2152 2173
2153 return flags; 2174 return flags;
2154} 2175}
2155 2176
2156unsigned int ecb_cold 2177unsigned int ecb_cold
2157ev_embeddable_backends (void) 2178ev_embeddable_backends (void) EV_THROW
2158{ 2179{
2159 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2180 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2160 2181
2161 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2182 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2162 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2183 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2164 2185
2165 return flags; 2186 return flags;
2166} 2187}
2167 2188
2168unsigned int 2189unsigned int
2169ev_backend (EV_P) 2190ev_backend (EV_P) EV_THROW
2170{ 2191{
2171 return backend; 2192 return backend;
2172} 2193}
2173 2194
2174#if EV_FEATURE_API 2195#if EV_FEATURE_API
2175unsigned int 2196unsigned int
2176ev_iteration (EV_P) 2197ev_iteration (EV_P) EV_THROW
2177{ 2198{
2178 return loop_count; 2199 return loop_count;
2179} 2200}
2180 2201
2181unsigned int 2202unsigned int
2182ev_depth (EV_P) 2203ev_depth (EV_P) EV_THROW
2183{ 2204{
2184 return loop_depth; 2205 return loop_depth;
2185} 2206}
2186 2207
2187void 2208void
2188ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2209ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2189{ 2210{
2190 io_blocktime = interval; 2211 io_blocktime = interval;
2191} 2212}
2192 2213
2193void 2214void
2194ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2215ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2195{ 2216{
2196 timeout_blocktime = interval; 2217 timeout_blocktime = interval;
2197} 2218}
2198 2219
2199void 2220void
2200ev_set_userdata (EV_P_ void *data) 2221ev_set_userdata (EV_P_ void *data) EV_THROW
2201{ 2222{
2202 userdata = data; 2223 userdata = data;
2203} 2224}
2204 2225
2205void * 2226void *
2206ev_userdata (EV_P) 2227ev_userdata (EV_P) EV_THROW
2207{ 2228{
2208 return userdata; 2229 return userdata;
2209} 2230}
2210 2231
2211void 2232void
2212ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2233ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2213{ 2234{
2214 invoke_cb = invoke_pending_cb; 2235 invoke_cb = invoke_pending_cb;
2215} 2236}
2216 2237
2217void 2238void
2218ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2239ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2219{ 2240{
2220 release_cb = release; 2241 release_cb = release;
2221 acquire_cb = acquire; 2242 acquire_cb = acquire;
2222} 2243}
2223#endif 2244#endif
2224 2245
2225/* initialise a loop structure, must be zero-initialised */ 2246/* initialise a loop structure, must be zero-initialised */
2226static void noinline ecb_cold 2247static void noinline ecb_cold
2227loop_init (EV_P_ unsigned int flags) 2248loop_init (EV_P_ unsigned int flags) EV_THROW
2228{ 2249{
2229 if (!backend) 2250 if (!backend)
2230 { 2251 {
2231 origflags = flags; 2252 origflags = flags;
2232 2253
… …
2485} 2506}
2486 2507
2487#if EV_MULTIPLICITY 2508#if EV_MULTIPLICITY
2488 2509
2489struct ev_loop * ecb_cold 2510struct ev_loop * ecb_cold
2490ev_loop_new (unsigned int flags) 2511ev_loop_new (unsigned int flags) EV_THROW
2491{ 2512{
2492 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2513 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2493 2514
2494 memset (EV_A, 0, sizeof (struct ev_loop)); 2515 memset (EV_A, 0, sizeof (struct ev_loop));
2495 loop_init (EV_A_ flags); 2516 loop_init (EV_A_ flags);
… …
2539} 2560}
2540#endif 2561#endif
2541 2562
2542#if EV_FEATURE_API 2563#if EV_FEATURE_API
2543void ecb_cold 2564void ecb_cold
2544ev_verify (EV_P) 2565ev_verify (EV_P) EV_THROW
2545{ 2566{
2546#if EV_VERIFY 2567#if EV_VERIFY
2547 int i; 2568 int i;
2548 WL w; 2569 WL w, w2;
2549 2570
2550 assert (activecnt >= -1); 2571 assert (activecnt >= -1);
2551 2572
2552 assert (fdchangemax >= fdchangecnt); 2573 assert (fdchangemax >= fdchangecnt);
2553 for (i = 0; i < fdchangecnt; ++i) 2574 for (i = 0; i < fdchangecnt; ++i)
2554 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2575 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2555 2576
2556 assert (anfdmax >= 0); 2577 assert (anfdmax >= 0);
2557 for (i = 0; i < anfdmax; ++i) 2578 for (i = 0; i < anfdmax; ++i)
2579 {
2580 int j = 0;
2581
2558 for (w = anfds [i].head; w; w = w->next) 2582 for (w = w2 = anfds [i].head; w; w = w->next)
2559 { 2583 {
2560 verify_watcher (EV_A_ (W)w); 2584 verify_watcher (EV_A_ (W)w);
2585
2586 if (j++ & 1)
2587 {
2588 assert (("libev: io watcher list contains a loop", w != w2));
2589 w2 = w2->next;
2590 }
2591
2561 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2592 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2562 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2593 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2563 } 2594 }
2595 }
2564 2596
2565 assert (timermax >= timercnt); 2597 assert (timermax >= timercnt);
2566 verify_heap (EV_A_ timers, timercnt); 2598 verify_heap (EV_A_ timers, timercnt);
2567 2599
2568#if EV_PERIODIC_ENABLE 2600#if EV_PERIODIC_ENABLE
… …
2618#if EV_MULTIPLICITY 2650#if EV_MULTIPLICITY
2619struct ev_loop * ecb_cold 2651struct ev_loop * ecb_cold
2620#else 2652#else
2621int 2653int
2622#endif 2654#endif
2623ev_default_loop (unsigned int flags) 2655ev_default_loop (unsigned int flags) EV_THROW
2624{ 2656{
2625 if (!ev_default_loop_ptr) 2657 if (!ev_default_loop_ptr)
2626 { 2658 {
2627#if EV_MULTIPLICITY 2659#if EV_MULTIPLICITY
2628 EV_P = ev_default_loop_ptr = &default_loop_struct; 2660 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2647 2679
2648 return ev_default_loop_ptr; 2680 return ev_default_loop_ptr;
2649} 2681}
2650 2682
2651void 2683void
2652ev_loop_fork (EV_P) 2684ev_loop_fork (EV_P) EV_THROW
2653{ 2685{
2654 postfork = 1; /* must be in line with ev_default_fork */ 2686 postfork = 1; /* must be in line with ev_default_fork */
2655} 2687}
2656 2688
2657/*****************************************************************************/ 2689/*****************************************************************************/
… …
2661{ 2693{
2662 EV_CB_INVOKE ((W)w, revents); 2694 EV_CB_INVOKE ((W)w, revents);
2663} 2695}
2664 2696
2665unsigned int 2697unsigned int
2666ev_pending_count (EV_P) 2698ev_pending_count (EV_P) EV_THROW
2667{ 2699{
2668 int pri; 2700 int pri;
2669 unsigned int count = 0; 2701 unsigned int count = 0;
2670 2702
2671 for (pri = NUMPRI; pri--; ) 2703 for (pri = NUMPRI; pri--; )
… …
2675} 2707}
2676 2708
2677void noinline 2709void noinline
2678ev_invoke_pending (EV_P) 2710ev_invoke_pending (EV_P)
2679{ 2711{
2680 int pri; 2712 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2681
2682 for (pri = NUMPRI; pri--; )
2683 while (pendingcnt [pri]) 2713 while (pendingcnt [pendingpri])
2684 { 2714 {
2685 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2715 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2686 2716
2687 p->w->pending = 0; 2717 p->w->pending = 0;
2688 EV_CB_INVOKE (p->w, p->events); 2718 EV_CB_INVOKE (p->w, p->events);
2689 EV_FREQUENT_CHECK; 2719 EV_FREQUENT_CHECK;
2690 } 2720 }
… …
2930 2960
2931 mn_now = ev_rt_now; 2961 mn_now = ev_rt_now;
2932 } 2962 }
2933} 2963}
2934 2964
2935void 2965int
2936ev_run (EV_P_ int flags) 2966ev_run (EV_P_ int flags)
2937{ 2967{
2938#if EV_FEATURE_API 2968#if EV_FEATURE_API
2939 ++loop_depth; 2969 ++loop_depth;
2940#endif 2970#endif
… …
3097 loop_done = EVBREAK_CANCEL; 3127 loop_done = EVBREAK_CANCEL;
3098 3128
3099#if EV_FEATURE_API 3129#if EV_FEATURE_API
3100 --loop_depth; 3130 --loop_depth;
3101#endif 3131#endif
3132
3133 return activecnt;
3102} 3134}
3103 3135
3104void 3136void
3105ev_break (EV_P_ int how) 3137ev_break (EV_P_ int how) EV_THROW
3106{ 3138{
3107 loop_done = how; 3139 loop_done = how;
3108} 3140}
3109 3141
3110void 3142void
3111ev_ref (EV_P) 3143ev_ref (EV_P) EV_THROW
3112{ 3144{
3113 ++activecnt; 3145 ++activecnt;
3114} 3146}
3115 3147
3116void 3148void
3117ev_unref (EV_P) 3149ev_unref (EV_P) EV_THROW
3118{ 3150{
3119 --activecnt; 3151 --activecnt;
3120} 3152}
3121 3153
3122void 3154void
3123ev_now_update (EV_P) 3155ev_now_update (EV_P) EV_THROW
3124{ 3156{
3125 time_update (EV_A_ 1e100); 3157 time_update (EV_A_ 1e100);
3126} 3158}
3127 3159
3128void 3160void
3129ev_suspend (EV_P) 3161ev_suspend (EV_P) EV_THROW
3130{ 3162{
3131 ev_now_update (EV_A); 3163 ev_now_update (EV_A);
3132} 3164}
3133 3165
3134void 3166void
3135ev_resume (EV_P) 3167ev_resume (EV_P) EV_THROW
3136{ 3168{
3137 ev_tstamp mn_prev = mn_now; 3169 ev_tstamp mn_prev = mn_now;
3138 3170
3139 ev_now_update (EV_A); 3171 ev_now_update (EV_A);
3140 timers_reschedule (EV_A_ mn_now - mn_prev); 3172 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3179 w->pending = 0; 3211 w->pending = 0;
3180 } 3212 }
3181} 3213}
3182 3214
3183int 3215int
3184ev_clear_pending (EV_P_ void *w) 3216ev_clear_pending (EV_P_ void *w) EV_THROW
3185{ 3217{
3186 W w_ = (W)w; 3218 W w_ = (W)w;
3187 int pending = w_->pending; 3219 int pending = w_->pending;
3188 3220
3189 if (expect_true (pending)) 3221 if (expect_true (pending))
… …
3222} 3254}
3223 3255
3224/*****************************************************************************/ 3256/*****************************************************************************/
3225 3257
3226void noinline 3258void noinline
3227ev_io_start (EV_P_ ev_io *w) 3259ev_io_start (EV_P_ ev_io *w) EV_THROW
3228{ 3260{
3229 int fd = w->fd; 3261 int fd = w->fd;
3230 3262
3231 if (expect_false (ev_is_active (w))) 3263 if (expect_false (ev_is_active (w)))
3232 return; 3264 return;
… …
3238 3270
3239 ev_start (EV_A_ (W)w, 1); 3271 ev_start (EV_A_ (W)w, 1);
3240 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3272 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3241 wlist_add (&anfds[fd].head, (WL)w); 3273 wlist_add (&anfds[fd].head, (WL)w);
3242 3274
3275 /* common bug, apparently */
3276 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3277
3243 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3278 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3244 w->events &= ~EV__IOFDSET; 3279 w->events &= ~EV__IOFDSET;
3245 3280
3246 EV_FREQUENT_CHECK; 3281 EV_FREQUENT_CHECK;
3247} 3282}
3248 3283
3249void noinline 3284void noinline
3250ev_io_stop (EV_P_ ev_io *w) 3285ev_io_stop (EV_P_ ev_io *w) EV_THROW
3251{ 3286{
3252 clear_pending (EV_A_ (W)w); 3287 clear_pending (EV_A_ (W)w);
3253 if (expect_false (!ev_is_active (w))) 3288 if (expect_false (!ev_is_active (w)))
3254 return; 3289 return;
3255 3290
… …
3264 3299
3265 EV_FREQUENT_CHECK; 3300 EV_FREQUENT_CHECK;
3266} 3301}
3267 3302
3268void noinline 3303void noinline
3269ev_timer_start (EV_P_ ev_timer *w) 3304ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3270{ 3305{
3271 if (expect_false (ev_is_active (w))) 3306 if (expect_false (ev_is_active (w)))
3272 return; 3307 return;
3273 3308
3274 ev_at (w) += mn_now; 3309 ev_at (w) += mn_now;
… …
3288 3323
3289 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3324 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3290} 3325}
3291 3326
3292void noinline 3327void noinline
3293ev_timer_stop (EV_P_ ev_timer *w) 3328ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3294{ 3329{
3295 clear_pending (EV_A_ (W)w); 3330 clear_pending (EV_A_ (W)w);
3296 if (expect_false (!ev_is_active (w))) 3331 if (expect_false (!ev_is_active (w)))
3297 return; 3332 return;
3298 3333
… …
3318 3353
3319 EV_FREQUENT_CHECK; 3354 EV_FREQUENT_CHECK;
3320} 3355}
3321 3356
3322void noinline 3357void noinline
3323ev_timer_again (EV_P_ ev_timer *w) 3358ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3324{ 3359{
3325 EV_FREQUENT_CHECK; 3360 EV_FREQUENT_CHECK;
3326 3361
3327 clear_pending (EV_A_ (W)w); 3362 clear_pending (EV_A_ (W)w);
3328 3363
… …
3345 3380
3346 EV_FREQUENT_CHECK; 3381 EV_FREQUENT_CHECK;
3347} 3382}
3348 3383
3349ev_tstamp 3384ev_tstamp
3350ev_timer_remaining (EV_P_ ev_timer *w) 3385ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3351{ 3386{
3352 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3387 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3353} 3388}
3354 3389
3355#if EV_PERIODIC_ENABLE 3390#if EV_PERIODIC_ENABLE
3356void noinline 3391void noinline
3357ev_periodic_start (EV_P_ ev_periodic *w) 3392ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3358{ 3393{
3359 if (expect_false (ev_is_active (w))) 3394 if (expect_false (ev_is_active (w)))
3360 return; 3395 return;
3361 3396
3362 if (w->reschedule_cb) 3397 if (w->reschedule_cb)
… …
3382 3417
3383 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3418 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3384} 3419}
3385 3420
3386void noinline 3421void noinline
3387ev_periodic_stop (EV_P_ ev_periodic *w) 3422ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3388{ 3423{
3389 clear_pending (EV_A_ (W)w); 3424 clear_pending (EV_A_ (W)w);
3390 if (expect_false (!ev_is_active (w))) 3425 if (expect_false (!ev_is_active (w)))
3391 return; 3426 return;
3392 3427
… …
3410 3445
3411 EV_FREQUENT_CHECK; 3446 EV_FREQUENT_CHECK;
3412} 3447}
3413 3448
3414void noinline 3449void noinline
3415ev_periodic_again (EV_P_ ev_periodic *w) 3450ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3416{ 3451{
3417 /* TODO: use adjustheap and recalculation */ 3452 /* TODO: use adjustheap and recalculation */
3418 ev_periodic_stop (EV_A_ w); 3453 ev_periodic_stop (EV_A_ w);
3419 ev_periodic_start (EV_A_ w); 3454 ev_periodic_start (EV_A_ w);
3420} 3455}
… …
3425#endif 3460#endif
3426 3461
3427#if EV_SIGNAL_ENABLE 3462#if EV_SIGNAL_ENABLE
3428 3463
3429void noinline 3464void noinline
3430ev_signal_start (EV_P_ ev_signal *w) 3465ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3431{ 3466{
3432 if (expect_false (ev_is_active (w))) 3467 if (expect_false (ev_is_active (w)))
3433 return; 3468 return;
3434 3469
3435 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3470 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3506 3541
3507 EV_FREQUENT_CHECK; 3542 EV_FREQUENT_CHECK;
3508} 3543}
3509 3544
3510void noinline 3545void noinline
3511ev_signal_stop (EV_P_ ev_signal *w) 3546ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3512{ 3547{
3513 clear_pending (EV_A_ (W)w); 3548 clear_pending (EV_A_ (W)w);
3514 if (expect_false (!ev_is_active (w))) 3549 if (expect_false (!ev_is_active (w)))
3515 return; 3550 return;
3516 3551
… …
3547#endif 3582#endif
3548 3583
3549#if EV_CHILD_ENABLE 3584#if EV_CHILD_ENABLE
3550 3585
3551void 3586void
3552ev_child_start (EV_P_ ev_child *w) 3587ev_child_start (EV_P_ ev_child *w) EV_THROW
3553{ 3588{
3554#if EV_MULTIPLICITY 3589#if EV_MULTIPLICITY
3555 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3590 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3556#endif 3591#endif
3557 if (expect_false (ev_is_active (w))) 3592 if (expect_false (ev_is_active (w)))
… …
3564 3599
3565 EV_FREQUENT_CHECK; 3600 EV_FREQUENT_CHECK;
3566} 3601}
3567 3602
3568void 3603void
3569ev_child_stop (EV_P_ ev_child *w) 3604ev_child_stop (EV_P_ ev_child *w) EV_THROW
3570{ 3605{
3571 clear_pending (EV_A_ (W)w); 3606 clear_pending (EV_A_ (W)w);
3572 if (expect_false (!ev_is_active (w))) 3607 if (expect_false (!ev_is_active (w)))
3573 return; 3608 return;
3574 3609
… …
3741} 3776}
3742 3777
3743inline_size int 3778inline_size int
3744infy_newfd (void) 3779infy_newfd (void)
3745{ 3780{
3746#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3781#if defined IN_CLOEXEC && defined IN_NONBLOCK
3747 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3782 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3748 if (fd >= 0) 3783 if (fd >= 0)
3749 return fd; 3784 return fd;
3750#endif 3785#endif
3751 return inotify_init (); 3786 return inotify_init ();
… …
3826#else 3861#else
3827# define EV_LSTAT(p,b) lstat (p, b) 3862# define EV_LSTAT(p,b) lstat (p, b)
3828#endif 3863#endif
3829 3864
3830void 3865void
3831ev_stat_stat (EV_P_ ev_stat *w) 3866ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3832{ 3867{
3833 if (lstat (w->path, &w->attr) < 0) 3868 if (lstat (w->path, &w->attr) < 0)
3834 w->attr.st_nlink = 0; 3869 w->attr.st_nlink = 0;
3835 else if (!w->attr.st_nlink) 3870 else if (!w->attr.st_nlink)
3836 w->attr.st_nlink = 1; 3871 w->attr.st_nlink = 1;
… …
3875 ev_feed_event (EV_A_ w, EV_STAT); 3910 ev_feed_event (EV_A_ w, EV_STAT);
3876 } 3911 }
3877} 3912}
3878 3913
3879void 3914void
3880ev_stat_start (EV_P_ ev_stat *w) 3915ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3881{ 3916{
3882 if (expect_false (ev_is_active (w))) 3917 if (expect_false (ev_is_active (w)))
3883 return; 3918 return;
3884 3919
3885 ev_stat_stat (EV_A_ w); 3920 ev_stat_stat (EV_A_ w);
… …
3906 3941
3907 EV_FREQUENT_CHECK; 3942 EV_FREQUENT_CHECK;
3908} 3943}
3909 3944
3910void 3945void
3911ev_stat_stop (EV_P_ ev_stat *w) 3946ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3912{ 3947{
3913 clear_pending (EV_A_ (W)w); 3948 clear_pending (EV_A_ (W)w);
3914 if (expect_false (!ev_is_active (w))) 3949 if (expect_false (!ev_is_active (w)))
3915 return; 3950 return;
3916 3951
… …
3932} 3967}
3933#endif 3968#endif
3934 3969
3935#if EV_IDLE_ENABLE 3970#if EV_IDLE_ENABLE
3936void 3971void
3937ev_idle_start (EV_P_ ev_idle *w) 3972ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3938{ 3973{
3939 if (expect_false (ev_is_active (w))) 3974 if (expect_false (ev_is_active (w)))
3940 return; 3975 return;
3941 3976
3942 pri_adjust (EV_A_ (W)w); 3977 pri_adjust (EV_A_ (W)w);
… …
3955 3990
3956 EV_FREQUENT_CHECK; 3991 EV_FREQUENT_CHECK;
3957} 3992}
3958 3993
3959void 3994void
3960ev_idle_stop (EV_P_ ev_idle *w) 3995ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3961{ 3996{
3962 clear_pending (EV_A_ (W)w); 3997 clear_pending (EV_A_ (W)w);
3963 if (expect_false (!ev_is_active (w))) 3998 if (expect_false (!ev_is_active (w)))
3964 return; 3999 return;
3965 4000
… …
3979} 4014}
3980#endif 4015#endif
3981 4016
3982#if EV_PREPARE_ENABLE 4017#if EV_PREPARE_ENABLE
3983void 4018void
3984ev_prepare_start (EV_P_ ev_prepare *w) 4019ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3985{ 4020{
3986 if (expect_false (ev_is_active (w))) 4021 if (expect_false (ev_is_active (w)))
3987 return; 4022 return;
3988 4023
3989 EV_FREQUENT_CHECK; 4024 EV_FREQUENT_CHECK;
… …
3994 4029
3995 EV_FREQUENT_CHECK; 4030 EV_FREQUENT_CHECK;
3996} 4031}
3997 4032
3998void 4033void
3999ev_prepare_stop (EV_P_ ev_prepare *w) 4034ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
4000{ 4035{
4001 clear_pending (EV_A_ (W)w); 4036 clear_pending (EV_A_ (W)w);
4002 if (expect_false (!ev_is_active (w))) 4037 if (expect_false (!ev_is_active (w)))
4003 return; 4038 return;
4004 4039
… …
4017} 4052}
4018#endif 4053#endif
4019 4054
4020#if EV_CHECK_ENABLE 4055#if EV_CHECK_ENABLE
4021void 4056void
4022ev_check_start (EV_P_ ev_check *w) 4057ev_check_start (EV_P_ ev_check *w) EV_THROW
4023{ 4058{
4024 if (expect_false (ev_is_active (w))) 4059 if (expect_false (ev_is_active (w)))
4025 return; 4060 return;
4026 4061
4027 EV_FREQUENT_CHECK; 4062 EV_FREQUENT_CHECK;
… …
4032 4067
4033 EV_FREQUENT_CHECK; 4068 EV_FREQUENT_CHECK;
4034} 4069}
4035 4070
4036void 4071void
4037ev_check_stop (EV_P_ ev_check *w) 4072ev_check_stop (EV_P_ ev_check *w) EV_THROW
4038{ 4073{
4039 clear_pending (EV_A_ (W)w); 4074 clear_pending (EV_A_ (W)w);
4040 if (expect_false (!ev_is_active (w))) 4075 if (expect_false (!ev_is_active (w)))
4041 return; 4076 return;
4042 4077
… …
4055} 4090}
4056#endif 4091#endif
4057 4092
4058#if EV_EMBED_ENABLE 4093#if EV_EMBED_ENABLE
4059void noinline 4094void noinline
4060ev_embed_sweep (EV_P_ ev_embed *w) 4095ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4061{ 4096{
4062 ev_run (w->other, EVRUN_NOWAIT); 4097 ev_run (w->other, EVRUN_NOWAIT);
4063} 4098}
4064 4099
4065static void 4100static void
… …
4113 ev_idle_stop (EV_A_ idle); 4148 ev_idle_stop (EV_A_ idle);
4114} 4149}
4115#endif 4150#endif
4116 4151
4117void 4152void
4118ev_embed_start (EV_P_ ev_embed *w) 4153ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4119{ 4154{
4120 if (expect_false (ev_is_active (w))) 4155 if (expect_false (ev_is_active (w)))
4121 return; 4156 return;
4122 4157
4123 { 4158 {
… …
4144 4179
4145 EV_FREQUENT_CHECK; 4180 EV_FREQUENT_CHECK;
4146} 4181}
4147 4182
4148void 4183void
4149ev_embed_stop (EV_P_ ev_embed *w) 4184ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4150{ 4185{
4151 clear_pending (EV_A_ (W)w); 4186 clear_pending (EV_A_ (W)w);
4152 if (expect_false (!ev_is_active (w))) 4187 if (expect_false (!ev_is_active (w)))
4153 return; 4188 return;
4154 4189
… …
4164} 4199}
4165#endif 4200#endif
4166 4201
4167#if EV_FORK_ENABLE 4202#if EV_FORK_ENABLE
4168void 4203void
4169ev_fork_start (EV_P_ ev_fork *w) 4204ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4170{ 4205{
4171 if (expect_false (ev_is_active (w))) 4206 if (expect_false (ev_is_active (w)))
4172 return; 4207 return;
4173 4208
4174 EV_FREQUENT_CHECK; 4209 EV_FREQUENT_CHECK;
… …
4179 4214
4180 EV_FREQUENT_CHECK; 4215 EV_FREQUENT_CHECK;
4181} 4216}
4182 4217
4183void 4218void
4184ev_fork_stop (EV_P_ ev_fork *w) 4219ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4185{ 4220{
4186 clear_pending (EV_A_ (W)w); 4221 clear_pending (EV_A_ (W)w);
4187 if (expect_false (!ev_is_active (w))) 4222 if (expect_false (!ev_is_active (w)))
4188 return; 4223 return;
4189 4224
… …
4202} 4237}
4203#endif 4238#endif
4204 4239
4205#if EV_CLEANUP_ENABLE 4240#if EV_CLEANUP_ENABLE
4206void 4241void
4207ev_cleanup_start (EV_P_ ev_cleanup *w) 4242ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4208{ 4243{
4209 if (expect_false (ev_is_active (w))) 4244 if (expect_false (ev_is_active (w)))
4210 return; 4245 return;
4211 4246
4212 EV_FREQUENT_CHECK; 4247 EV_FREQUENT_CHECK;
… …
4219 ev_unref (EV_A); 4254 ev_unref (EV_A);
4220 EV_FREQUENT_CHECK; 4255 EV_FREQUENT_CHECK;
4221} 4256}
4222 4257
4223void 4258void
4224ev_cleanup_stop (EV_P_ ev_cleanup *w) 4259ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4225{ 4260{
4226 clear_pending (EV_A_ (W)w); 4261 clear_pending (EV_A_ (W)w);
4227 if (expect_false (!ev_is_active (w))) 4262 if (expect_false (!ev_is_active (w)))
4228 return; 4263 return;
4229 4264
… …
4243} 4278}
4244#endif 4279#endif
4245 4280
4246#if EV_ASYNC_ENABLE 4281#if EV_ASYNC_ENABLE
4247void 4282void
4248ev_async_start (EV_P_ ev_async *w) 4283ev_async_start (EV_P_ ev_async *w) EV_THROW
4249{ 4284{
4250 if (expect_false (ev_is_active (w))) 4285 if (expect_false (ev_is_active (w)))
4251 return; 4286 return;
4252 4287
4253 w->sent = 0; 4288 w->sent = 0;
… …
4262 4297
4263 EV_FREQUENT_CHECK; 4298 EV_FREQUENT_CHECK;
4264} 4299}
4265 4300
4266void 4301void
4267ev_async_stop (EV_P_ ev_async *w) 4302ev_async_stop (EV_P_ ev_async *w) EV_THROW
4268{ 4303{
4269 clear_pending (EV_A_ (W)w); 4304 clear_pending (EV_A_ (W)w);
4270 if (expect_false (!ev_is_active (w))) 4305 if (expect_false (!ev_is_active (w)))
4271 return; 4306 return;
4272 4307
… …
4283 4318
4284 EV_FREQUENT_CHECK; 4319 EV_FREQUENT_CHECK;
4285} 4320}
4286 4321
4287void 4322void
4288ev_async_send (EV_P_ ev_async *w) 4323ev_async_send (EV_P_ ev_async *w) EV_THROW
4289{ 4324{
4290 w->sent = 1; 4325 w->sent = 1;
4291 evpipe_write (EV_A_ &async_pending); 4326 evpipe_write (EV_A_ &async_pending);
4292} 4327}
4293#endif 4328#endif
… …
4330 4365
4331 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4366 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4332} 4367}
4333 4368
4334void 4369void
4335ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4370ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4336{ 4371{
4337 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4372 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4338 4373
4339 if (expect_false (!once)) 4374 if (expect_false (!once))
4340 { 4375 {
… …
4362 4397
4363/*****************************************************************************/ 4398/*****************************************************************************/
4364 4399
4365#if EV_WALK_ENABLE 4400#if EV_WALK_ENABLE
4366void ecb_cold 4401void ecb_cold
4367ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4402ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4368{ 4403{
4369 int i, j; 4404 int i, j;
4370 ev_watcher_list *wl, *wn; 4405 ev_watcher_list *wl, *wn;
4371 4406
4372 if (types & (EV_IO | EV_EMBED)) 4407 if (types & (EV_IO | EV_EMBED))

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