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Comparing libev/ev.c (file contents):
Revision 1.412 by root, Wed Feb 22 01:53:00 2012 UTC vs.
Revision 1.428 by root, Tue May 8 15:44:09 2012 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
59# endif 59# endif
60# ifndef EV_USE_MONOTONIC 60# ifndef EV_USE_MONOTONIC
61# define EV_USE_MONOTONIC 1 61# define EV_USE_MONOTONIC 1
62# endif 62# endif
63# endif 63# endif
64# elif !defined(EV_USE_CLOCK_SYSCALL) 64# elif !defined EV_USE_CLOCK_SYSCALL
65# define EV_USE_CLOCK_SYSCALL 0 65# define EV_USE_CLOCK_SYSCALL 0
66# endif 66# endif
67 67
68# if HAVE_CLOCK_GETTIME 68# if HAVE_CLOCK_GETTIME
69# ifndef EV_USE_MONOTONIC 69# ifndef EV_USE_MONOTONIC
… …
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 ()
604 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 607 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
605 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 608 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
609 #elif __xlC__
610 #define ECB_MEMORY_FENCE __sync ()
606 #endif 611 #endif
607#endif 612#endif
608 613
609#ifndef ECB_MEMORY_FENCE 614#ifndef ECB_MEMORY_FENCE
610 #if !ECB_AVOID_PTHREADS 615 #if !ECB_AVOID_PTHREADS
… …
622 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 627 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
623 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 628 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
624 #endif 629 #endif
625#endif 630#endif
626 631
627#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
628 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
629#endif 634#endif
630 635
631#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 636#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
632 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 637 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
633#endif 638#endif
634 639
635/*****************************************************************************/ 640/*****************************************************************************/
636 641
… …
1101{ 1106{
1102 write (STDERR_FILENO, msg, strlen (msg)); 1107 write (STDERR_FILENO, msg, strlen (msg));
1103} 1108}
1104#endif 1109#endif
1105 1110
1106static void (*syserr_cb)(const char *msg); 1111static void (*syserr_cb)(const char *msg) EV_THROW;
1107 1112
1108void ecb_cold 1113void ecb_cold
1109ev_set_syserr_cb (void (*cb)(const char *msg)) 1114ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1110{ 1115{
1111 syserr_cb = cb; 1116 syserr_cb = cb;
1112} 1117}
1113 1118
1114static void noinline ecb_cold 1119static void noinline ecb_cold
… …
1150 free (ptr); 1155 free (ptr);
1151 return 0; 1156 return 0;
1152#endif 1157#endif
1153} 1158}
1154 1159
1155static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1160static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1156 1161
1157void ecb_cold 1162void ecb_cold
1158ev_set_allocator (void *(*cb)(void *ptr, long size)) 1163ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1159{ 1164{
1160 alloc = cb; 1165 alloc = cb;
1161} 1166}
1162 1167
1163inline_speed void * 1168inline_speed void *
… …
1280 1285
1281/*****************************************************************************/ 1286/*****************************************************************************/
1282 1287
1283#ifndef EV_HAVE_EV_TIME 1288#ifndef EV_HAVE_EV_TIME
1284ev_tstamp 1289ev_tstamp
1285ev_time (void) 1290ev_time (void) EV_THROW
1286{ 1291{
1287#if EV_USE_REALTIME 1292#if EV_USE_REALTIME
1288 if (expect_true (have_realtime)) 1293 if (expect_true (have_realtime))
1289 { 1294 {
1290 struct timespec ts; 1295 struct timespec ts;
… …
1314 return ev_time (); 1319 return ev_time ();
1315} 1320}
1316 1321
1317#if EV_MULTIPLICITY 1322#if EV_MULTIPLICITY
1318ev_tstamp 1323ev_tstamp
1319ev_now (EV_P) 1324ev_now (EV_P) EV_THROW
1320{ 1325{
1321 return ev_rt_now; 1326 return ev_rt_now;
1322} 1327}
1323#endif 1328#endif
1324 1329
1325void 1330void
1326ev_sleep (ev_tstamp delay) 1331ev_sleep (ev_tstamp delay) EV_THROW
1327{ 1332{
1328 if (delay > 0.) 1333 if (delay > 0.)
1329 { 1334 {
1330#if EV_USE_NANOSLEEP 1335#if EV_USE_NANOSLEEP
1331 struct timespec ts; 1336 struct timespec ts;
1332 1337
1333 EV_TS_SET (ts, delay); 1338 EV_TS_SET (ts, delay);
1334 nanosleep (&ts, 0); 1339 nanosleep (&ts, 0);
1335#elif defined(_WIN32) 1340#elif defined _WIN32
1336 Sleep ((unsigned long)(delay * 1e3)); 1341 Sleep ((unsigned long)(delay * 1e3));
1337#else 1342#else
1338 struct timeval tv; 1343 struct timeval tv;
1339 1344
1340 /* 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 */
… …
1412pendingcb (EV_P_ ev_prepare *w, int revents) 1417pendingcb (EV_P_ ev_prepare *w, int revents)
1413{ 1418{
1414} 1419}
1415 1420
1416void noinline 1421void noinline
1417ev_feed_event (EV_P_ void *w, int revents) 1422ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1418{ 1423{
1419 W w_ = (W)w; 1424 W w_ = (W)w;
1420 int pri = ABSPRI (w_); 1425 int pri = ABSPRI (w_);
1421 1426
1422 if (expect_false (w_->pending)) 1427 if (expect_false (w_->pending))
… …
1426 w_->pending = ++pendingcnt [pri]; 1431 w_->pending = ++pendingcnt [pri];
1427 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1432 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1428 pendings [pri][w_->pending - 1].w = w_; 1433 pendings [pri][w_->pending - 1].w = w_;
1429 pendings [pri][w_->pending - 1].events = revents; 1434 pendings [pri][w_->pending - 1].events = revents;
1430 } 1435 }
1436
1437 pendingpri = NUMPRI - 1;
1431} 1438}
1432 1439
1433inline_speed void 1440inline_speed void
1434feed_reverse (EV_P_ W w) 1441feed_reverse (EV_P_ W w)
1435{ 1442{
… …
1481 if (expect_true (!anfd->reify)) 1488 if (expect_true (!anfd->reify))
1482 fd_event_nocheck (EV_A_ fd, revents); 1489 fd_event_nocheck (EV_A_ fd, revents);
1483} 1490}
1484 1491
1485void 1492void
1486ev_feed_fd_event (EV_P_ int fd, int revents) 1493ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1487{ 1494{
1488 if (fd >= 0 && fd < anfdmax) 1495 if (fd >= 0 && fd < anfdmax)
1489 fd_event_nocheck (EV_A_ fd, revents); 1496 fd_event_nocheck (EV_A_ fd, revents);
1490} 1497}
1491 1498
… …
1840} 1847}
1841 1848
1842inline_speed void 1849inline_speed void
1843evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1850evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1844{ 1851{
1852 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1853
1845 if (expect_true (*flag)) 1854 if (expect_true (*flag))
1846 return; 1855 return;
1847 1856
1848 *flag = 1; 1857 *flag = 1;
1849 1858
… …
1868 write (evfd, &counter, sizeof (uint64_t)); 1877 write (evfd, &counter, sizeof (uint64_t));
1869 } 1878 }
1870 else 1879 else
1871#endif 1880#endif
1872 { 1881 {
1873 /* win32 people keep sending patches that change this write() to send() */ 1882#ifdef _WIN32
1874 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1883 WSABUF buf;
1875 /* so when you think this write should be a send instead, please find out */ 1884 DWORD sent;
1876 /* where your send() is from - it's definitely not the microsoft send, and */ 1885 buf.buf = &buf;
1877 /* tell me. thank you. */ 1886 buf.len = 1;
1878 /* 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);
1879 /* check the ev documentation on how to use this flag */ 1888#else
1880 write (evpipe [1], &(evpipe [1]), 1); 1889 write (evpipe [1], &(evpipe [1]), 1);
1890#endif
1881 } 1891 }
1882 1892
1883 errno = old_errno; 1893 errno = old_errno;
1884 } 1894 }
1885} 1895}
… …
1900 read (evfd, &counter, sizeof (uint64_t)); 1910 read (evfd, &counter, sizeof (uint64_t));
1901 } 1911 }
1902 else 1912 else
1903#endif 1913#endif
1904 { 1914 {
1905 char dummy; 1915 char dummy[4];
1906 /* 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
1907 read (evpipe [0], &dummy, 1); 1923 read (evpipe [0], &dummy, sizeof (dummy));
1924#endif
1908 } 1925 }
1909 } 1926 }
1910 1927
1911 pipe_write_skipped = 0; 1928 pipe_write_skipped = 0;
1929
1930 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1912 1931
1913#if EV_SIGNAL_ENABLE 1932#if EV_SIGNAL_ENABLE
1914 if (sig_pending) 1933 if (sig_pending)
1915 { 1934 {
1916 sig_pending = 0; 1935 sig_pending = 0;
1936
1937 ECB_MEMORY_FENCE_RELEASE;
1917 1938
1918 for (i = EV_NSIG - 1; i--; ) 1939 for (i = EV_NSIG - 1; i--; )
1919 if (expect_false (signals [i].pending)) 1940 if (expect_false (signals [i].pending))
1920 ev_feed_signal_event (EV_A_ i + 1); 1941 ev_feed_signal_event (EV_A_ i + 1);
1921 } 1942 }
… …
1923 1944
1924#if EV_ASYNC_ENABLE 1945#if EV_ASYNC_ENABLE
1925 if (async_pending) 1946 if (async_pending)
1926 { 1947 {
1927 async_pending = 0; 1948 async_pending = 0;
1949
1950 ECB_MEMORY_FENCE_RELEASE;
1928 1951
1929 for (i = asynccnt; i--; ) 1952 for (i = asynccnt; i--; )
1930 if (asyncs [i]->sent) 1953 if (asyncs [i]->sent)
1931 { 1954 {
1932 asyncs [i]->sent = 0; 1955 asyncs [i]->sent = 0;
… …
1937} 1960}
1938 1961
1939/*****************************************************************************/ 1962/*****************************************************************************/
1940 1963
1941void 1964void
1942ev_feed_signal (int signum) 1965ev_feed_signal (int signum) EV_THROW
1943{ 1966{
1944#if EV_MULTIPLICITY 1967#if EV_MULTIPLICITY
1945 EV_P = signals [signum - 1].loop; 1968 EV_P = signals [signum - 1].loop;
1946 1969
1947 if (!EV_A) 1970 if (!EV_A)
… …
1964 1987
1965 ev_feed_signal (signum); 1988 ev_feed_signal (signum);
1966} 1989}
1967 1990
1968void noinline 1991void noinline
1969ev_feed_signal_event (EV_P_ int signum) 1992ev_feed_signal_event (EV_P_ int signum) EV_THROW
1970{ 1993{
1971 WL w; 1994 WL w;
1972 1995
1973 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1996 if (expect_false (signum <= 0 || signum > EV_NSIG))
1974 return; 1997 return;
… …
2090#if EV_USE_SELECT 2113#if EV_USE_SELECT
2091# include "ev_select.c" 2114# include "ev_select.c"
2092#endif 2115#endif
2093 2116
2094int ecb_cold 2117int ecb_cold
2095ev_version_major (void) 2118ev_version_major (void) EV_THROW
2096{ 2119{
2097 return EV_VERSION_MAJOR; 2120 return EV_VERSION_MAJOR;
2098} 2121}
2099 2122
2100int ecb_cold 2123int ecb_cold
2101ev_version_minor (void) 2124ev_version_minor (void) EV_THROW
2102{ 2125{
2103 return EV_VERSION_MINOR; 2126 return EV_VERSION_MINOR;
2104} 2127}
2105 2128
2106/* 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 */
… …
2114 || getgid () != getegid (); 2137 || getgid () != getegid ();
2115#endif 2138#endif
2116} 2139}
2117 2140
2118unsigned int ecb_cold 2141unsigned int ecb_cold
2119ev_supported_backends (void) 2142ev_supported_backends (void) EV_THROW
2120{ 2143{
2121 unsigned int flags = 0; 2144 unsigned int flags = 0;
2122 2145
2123 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2146 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2124 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2147 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2128 2151
2129 return flags; 2152 return flags;
2130} 2153}
2131 2154
2132unsigned int ecb_cold 2155unsigned int ecb_cold
2133ev_recommended_backends (void) 2156ev_recommended_backends (void) EV_THROW
2134{ 2157{
2135 unsigned int flags = ev_supported_backends (); 2158 unsigned int flags = ev_supported_backends ();
2136 2159
2137#ifndef __NetBSD__ 2160#ifndef __NetBSD__
2138 /* kqueue is borked on everything but netbsd apparently */ 2161 /* kqueue is borked on everything but netbsd apparently */
… …
2150 2173
2151 return flags; 2174 return flags;
2152} 2175}
2153 2176
2154unsigned int ecb_cold 2177unsigned int ecb_cold
2155ev_embeddable_backends (void) 2178ev_embeddable_backends (void) EV_THROW
2156{ 2179{
2157 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2180 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2158 2181
2159 /* 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 */
2160 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 */
… …
2162 2185
2163 return flags; 2186 return flags;
2164} 2187}
2165 2188
2166unsigned int 2189unsigned int
2167ev_backend (EV_P) 2190ev_backend (EV_P) EV_THROW
2168{ 2191{
2169 return backend; 2192 return backend;
2170} 2193}
2171 2194
2172#if EV_FEATURE_API 2195#if EV_FEATURE_API
2173unsigned int 2196unsigned int
2174ev_iteration (EV_P) 2197ev_iteration (EV_P) EV_THROW
2175{ 2198{
2176 return loop_count; 2199 return loop_count;
2177} 2200}
2178 2201
2179unsigned int 2202unsigned int
2180ev_depth (EV_P) 2203ev_depth (EV_P) EV_THROW
2181{ 2204{
2182 return loop_depth; 2205 return loop_depth;
2183} 2206}
2184 2207
2185void 2208void
2186ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2209ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2187{ 2210{
2188 io_blocktime = interval; 2211 io_blocktime = interval;
2189} 2212}
2190 2213
2191void 2214void
2192ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2215ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2193{ 2216{
2194 timeout_blocktime = interval; 2217 timeout_blocktime = interval;
2195} 2218}
2196 2219
2197void 2220void
2198ev_set_userdata (EV_P_ void *data) 2221ev_set_userdata (EV_P_ void *data) EV_THROW
2199{ 2222{
2200 userdata = data; 2223 userdata = data;
2201} 2224}
2202 2225
2203void * 2226void *
2204ev_userdata (EV_P) 2227ev_userdata (EV_P) EV_THROW
2205{ 2228{
2206 return userdata; 2229 return userdata;
2207} 2230}
2208 2231
2209void 2232void
2210ev_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
2211{ 2234{
2212 invoke_cb = invoke_pending_cb; 2235 invoke_cb = invoke_pending_cb;
2213} 2236}
2214 2237
2215void 2238void
2216ev_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
2217{ 2240{
2218 release_cb = release; 2241 release_cb = release;
2219 acquire_cb = acquire; 2242 acquire_cb = acquire;
2220} 2243}
2221#endif 2244#endif
2222 2245
2223/* initialise a loop structure, must be zero-initialised */ 2246/* initialise a loop structure, must be zero-initialised */
2224static void noinline ecb_cold 2247static void noinline ecb_cold
2225loop_init (EV_P_ unsigned int flags) 2248loop_init (EV_P_ unsigned int flags) EV_THROW
2226{ 2249{
2227 if (!backend) 2250 if (!backend)
2228 { 2251 {
2229 origflags = flags; 2252 origflags = flags;
2230 2253
… …
2483} 2506}
2484 2507
2485#if EV_MULTIPLICITY 2508#if EV_MULTIPLICITY
2486 2509
2487struct ev_loop * ecb_cold 2510struct ev_loop * ecb_cold
2488ev_loop_new (unsigned int flags) 2511ev_loop_new (unsigned int flags) EV_THROW
2489{ 2512{
2490 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2513 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2491 2514
2492 memset (EV_A, 0, sizeof (struct ev_loop)); 2515 memset (EV_A, 0, sizeof (struct ev_loop));
2493 loop_init (EV_A_ flags); 2516 loop_init (EV_A_ flags);
… …
2537} 2560}
2538#endif 2561#endif
2539 2562
2540#if EV_FEATURE_API 2563#if EV_FEATURE_API
2541void ecb_cold 2564void ecb_cold
2542ev_verify (EV_P) 2565ev_verify (EV_P) EV_THROW
2543{ 2566{
2544#if EV_VERIFY 2567#if EV_VERIFY
2545 int i; 2568 int i, j;
2546 WL w; 2569 WL w, w2;
2547 2570
2548 assert (activecnt >= -1); 2571 assert (activecnt >= -1);
2549 2572
2550 assert (fdchangemax >= fdchangecnt); 2573 assert (fdchangemax >= fdchangecnt);
2551 for (i = 0; i < fdchangecnt; ++i) 2574 for (i = 0; i < fdchangecnt; ++i)
2552 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2575 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2553 2576
2554 assert (anfdmax >= 0); 2577 assert (anfdmax >= 0);
2555 for (i = 0; i < anfdmax; ++i) 2578 for (i = j = 0; i < anfdmax; ++i)
2556 for (w = anfds [i].head; w; w = w->next) 2579 for (w = w2 = anfds [i].head; w; w = w->next)
2557 { 2580 {
2558 verify_watcher (EV_A_ (W)w); 2581 verify_watcher (EV_A_ (W)w);
2582
2583 if (j++ & 1)
2584 {
2585 assert (("libev: io watcher list contains a loop", w != w2));
2586 w2 = w2->next;
2587 }
2588
2559 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2589 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2560 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2590 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2561 } 2591 }
2562 2592
2563 assert (timermax >= timercnt); 2593 assert (timermax >= timercnt);
… …
2616#if EV_MULTIPLICITY 2646#if EV_MULTIPLICITY
2617struct ev_loop * ecb_cold 2647struct ev_loop * ecb_cold
2618#else 2648#else
2619int 2649int
2620#endif 2650#endif
2621ev_default_loop (unsigned int flags) 2651ev_default_loop (unsigned int flags) EV_THROW
2622{ 2652{
2623 if (!ev_default_loop_ptr) 2653 if (!ev_default_loop_ptr)
2624 { 2654 {
2625#if EV_MULTIPLICITY 2655#if EV_MULTIPLICITY
2626 EV_P = ev_default_loop_ptr = &default_loop_struct; 2656 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2645 2675
2646 return ev_default_loop_ptr; 2676 return ev_default_loop_ptr;
2647} 2677}
2648 2678
2649void 2679void
2650ev_loop_fork (EV_P) 2680ev_loop_fork (EV_P) EV_THROW
2651{ 2681{
2652 postfork = 1; /* must be in line with ev_default_fork */ 2682 postfork = 1; /* must be in line with ev_default_fork */
2653} 2683}
2654 2684
2655/*****************************************************************************/ 2685/*****************************************************************************/
… …
2659{ 2689{
2660 EV_CB_INVOKE ((W)w, revents); 2690 EV_CB_INVOKE ((W)w, revents);
2661} 2691}
2662 2692
2663unsigned int 2693unsigned int
2664ev_pending_count (EV_P) 2694ev_pending_count (EV_P) EV_THROW
2665{ 2695{
2666 int pri; 2696 int pri;
2667 unsigned int count = 0; 2697 unsigned int count = 0;
2668 2698
2669 for (pri = NUMPRI; pri--; ) 2699 for (pri = NUMPRI; pri--; )
… …
2673} 2703}
2674 2704
2675void noinline 2705void noinline
2676ev_invoke_pending (EV_P) 2706ev_invoke_pending (EV_P)
2677{ 2707{
2678 int pri; 2708 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2679
2680 for (pri = NUMPRI; pri--; )
2681 while (pendingcnt [pri]) 2709 while (pendingcnt [pendingpri])
2682 { 2710 {
2683 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2711 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2684 2712
2685 p->w->pending = 0; 2713 p->w->pending = 0;
2686 EV_CB_INVOKE (p->w, p->events); 2714 EV_CB_INVOKE (p->w, p->events);
2687 EV_FREQUENT_CHECK; 2715 EV_FREQUENT_CHECK;
2688 } 2716 }
… …
2928 2956
2929 mn_now = ev_rt_now; 2957 mn_now = ev_rt_now;
2930 } 2958 }
2931} 2959}
2932 2960
2933void 2961int
2934ev_run (EV_P_ int flags) 2962ev_run (EV_P_ int flags)
2935{ 2963{
2936#if EV_FEATURE_API 2964#if EV_FEATURE_API
2937 ++loop_depth; 2965 ++loop_depth;
2938#endif 2966#endif
… …
3095 loop_done = EVBREAK_CANCEL; 3123 loop_done = EVBREAK_CANCEL;
3096 3124
3097#if EV_FEATURE_API 3125#if EV_FEATURE_API
3098 --loop_depth; 3126 --loop_depth;
3099#endif 3127#endif
3128
3129 return activecnt;
3100} 3130}
3101 3131
3102void 3132void
3103ev_break (EV_P_ int how) 3133ev_break (EV_P_ int how) EV_THROW
3104{ 3134{
3105 loop_done = how; 3135 loop_done = how;
3106} 3136}
3107 3137
3108void 3138void
3109ev_ref (EV_P) 3139ev_ref (EV_P) EV_THROW
3110{ 3140{
3111 ++activecnt; 3141 ++activecnt;
3112} 3142}
3113 3143
3114void 3144void
3115ev_unref (EV_P) 3145ev_unref (EV_P) EV_THROW
3116{ 3146{
3117 --activecnt; 3147 --activecnt;
3118} 3148}
3119 3149
3120void 3150void
3121ev_now_update (EV_P) 3151ev_now_update (EV_P) EV_THROW
3122{ 3152{
3123 time_update (EV_A_ 1e100); 3153 time_update (EV_A_ 1e100);
3124} 3154}
3125 3155
3126void 3156void
3127ev_suspend (EV_P) 3157ev_suspend (EV_P) EV_THROW
3128{ 3158{
3129 ev_now_update (EV_A); 3159 ev_now_update (EV_A);
3130} 3160}
3131 3161
3132void 3162void
3133ev_resume (EV_P) 3163ev_resume (EV_P) EV_THROW
3134{ 3164{
3135 ev_tstamp mn_prev = mn_now; 3165 ev_tstamp mn_prev = mn_now;
3136 3166
3137 ev_now_update (EV_A); 3167 ev_now_update (EV_A);
3138 timers_reschedule (EV_A_ mn_now - mn_prev); 3168 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3177 w->pending = 0; 3207 w->pending = 0;
3178 } 3208 }
3179} 3209}
3180 3210
3181int 3211int
3182ev_clear_pending (EV_P_ void *w) 3212ev_clear_pending (EV_P_ void *w) EV_THROW
3183{ 3213{
3184 W w_ = (W)w; 3214 W w_ = (W)w;
3185 int pending = w_->pending; 3215 int pending = w_->pending;
3186 3216
3187 if (expect_true (pending)) 3217 if (expect_true (pending))
… …
3220} 3250}
3221 3251
3222/*****************************************************************************/ 3252/*****************************************************************************/
3223 3253
3224void noinline 3254void noinline
3225ev_io_start (EV_P_ ev_io *w) 3255ev_io_start (EV_P_ ev_io *w) EV_THROW
3226{ 3256{
3227 int fd = w->fd; 3257 int fd = w->fd;
3228 3258
3229 if (expect_false (ev_is_active (w))) 3259 if (expect_false (ev_is_active (w)))
3230 return; 3260 return;
… …
3236 3266
3237 ev_start (EV_A_ (W)w, 1); 3267 ev_start (EV_A_ (W)w, 1);
3238 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3268 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3239 wlist_add (&anfds[fd].head, (WL)w); 3269 wlist_add (&anfds[fd].head, (WL)w);
3240 3270
3271 /* common bug, apparently */
3272 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3273
3241 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3274 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3242 w->events &= ~EV__IOFDSET; 3275 w->events &= ~EV__IOFDSET;
3243 3276
3244 EV_FREQUENT_CHECK; 3277 EV_FREQUENT_CHECK;
3245} 3278}
3246 3279
3247void noinline 3280void noinline
3248ev_io_stop (EV_P_ ev_io *w) 3281ev_io_stop (EV_P_ ev_io *w) EV_THROW
3249{ 3282{
3250 clear_pending (EV_A_ (W)w); 3283 clear_pending (EV_A_ (W)w);
3251 if (expect_false (!ev_is_active (w))) 3284 if (expect_false (!ev_is_active (w)))
3252 return; 3285 return;
3253 3286
… …
3262 3295
3263 EV_FREQUENT_CHECK; 3296 EV_FREQUENT_CHECK;
3264} 3297}
3265 3298
3266void noinline 3299void noinline
3267ev_timer_start (EV_P_ ev_timer *w) 3300ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3268{ 3301{
3269 if (expect_false (ev_is_active (w))) 3302 if (expect_false (ev_is_active (w)))
3270 return; 3303 return;
3271 3304
3272 ev_at (w) += mn_now; 3305 ev_at (w) += mn_now;
… …
3286 3319
3287 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3320 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3288} 3321}
3289 3322
3290void noinline 3323void noinline
3291ev_timer_stop (EV_P_ ev_timer *w) 3324ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3292{ 3325{
3293 clear_pending (EV_A_ (W)w); 3326 clear_pending (EV_A_ (W)w);
3294 if (expect_false (!ev_is_active (w))) 3327 if (expect_false (!ev_is_active (w)))
3295 return; 3328 return;
3296 3329
… …
3316 3349
3317 EV_FREQUENT_CHECK; 3350 EV_FREQUENT_CHECK;
3318} 3351}
3319 3352
3320void noinline 3353void noinline
3321ev_timer_again (EV_P_ ev_timer *w) 3354ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3322{ 3355{
3323 EV_FREQUENT_CHECK; 3356 EV_FREQUENT_CHECK;
3324 3357
3325 clear_pending (EV_A_ (W)w); 3358 clear_pending (EV_A_ (W)w);
3326 3359
… …
3343 3376
3344 EV_FREQUENT_CHECK; 3377 EV_FREQUENT_CHECK;
3345} 3378}
3346 3379
3347ev_tstamp 3380ev_tstamp
3348ev_timer_remaining (EV_P_ ev_timer *w) 3381ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3349{ 3382{
3350 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3383 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3351} 3384}
3352 3385
3353#if EV_PERIODIC_ENABLE 3386#if EV_PERIODIC_ENABLE
3354void noinline 3387void noinline
3355ev_periodic_start (EV_P_ ev_periodic *w) 3388ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3356{ 3389{
3357 if (expect_false (ev_is_active (w))) 3390 if (expect_false (ev_is_active (w)))
3358 return; 3391 return;
3359 3392
3360 if (w->reschedule_cb) 3393 if (w->reschedule_cb)
… …
3380 3413
3381 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3414 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3382} 3415}
3383 3416
3384void noinline 3417void noinline
3385ev_periodic_stop (EV_P_ ev_periodic *w) 3418ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3386{ 3419{
3387 clear_pending (EV_A_ (W)w); 3420 clear_pending (EV_A_ (W)w);
3388 if (expect_false (!ev_is_active (w))) 3421 if (expect_false (!ev_is_active (w)))
3389 return; 3422 return;
3390 3423
… …
3408 3441
3409 EV_FREQUENT_CHECK; 3442 EV_FREQUENT_CHECK;
3410} 3443}
3411 3444
3412void noinline 3445void noinline
3413ev_periodic_again (EV_P_ ev_periodic *w) 3446ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3414{ 3447{
3415 /* TODO: use adjustheap and recalculation */ 3448 /* TODO: use adjustheap and recalculation */
3416 ev_periodic_stop (EV_A_ w); 3449 ev_periodic_stop (EV_A_ w);
3417 ev_periodic_start (EV_A_ w); 3450 ev_periodic_start (EV_A_ w);
3418} 3451}
… …
3423#endif 3456#endif
3424 3457
3425#if EV_SIGNAL_ENABLE 3458#if EV_SIGNAL_ENABLE
3426 3459
3427void noinline 3460void noinline
3428ev_signal_start (EV_P_ ev_signal *w) 3461ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3429{ 3462{
3430 if (expect_false (ev_is_active (w))) 3463 if (expect_false (ev_is_active (w)))
3431 return; 3464 return;
3432 3465
3433 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3466 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3504 3537
3505 EV_FREQUENT_CHECK; 3538 EV_FREQUENT_CHECK;
3506} 3539}
3507 3540
3508void noinline 3541void noinline
3509ev_signal_stop (EV_P_ ev_signal *w) 3542ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3510{ 3543{
3511 clear_pending (EV_A_ (W)w); 3544 clear_pending (EV_A_ (W)w);
3512 if (expect_false (!ev_is_active (w))) 3545 if (expect_false (!ev_is_active (w)))
3513 return; 3546 return;
3514 3547
… …
3545#endif 3578#endif
3546 3579
3547#if EV_CHILD_ENABLE 3580#if EV_CHILD_ENABLE
3548 3581
3549void 3582void
3550ev_child_start (EV_P_ ev_child *w) 3583ev_child_start (EV_P_ ev_child *w) EV_THROW
3551{ 3584{
3552#if EV_MULTIPLICITY 3585#if EV_MULTIPLICITY
3553 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3586 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3554#endif 3587#endif
3555 if (expect_false (ev_is_active (w))) 3588 if (expect_false (ev_is_active (w)))
… …
3562 3595
3563 EV_FREQUENT_CHECK; 3596 EV_FREQUENT_CHECK;
3564} 3597}
3565 3598
3566void 3599void
3567ev_child_stop (EV_P_ ev_child *w) 3600ev_child_stop (EV_P_ ev_child *w) EV_THROW
3568{ 3601{
3569 clear_pending (EV_A_ (W)w); 3602 clear_pending (EV_A_ (W)w);
3570 if (expect_false (!ev_is_active (w))) 3603 if (expect_false (!ev_is_active (w)))
3571 return; 3604 return;
3572 3605
… …
3739} 3772}
3740 3773
3741inline_size int 3774inline_size int
3742infy_newfd (void) 3775infy_newfd (void)
3743{ 3776{
3744#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3777#if defined IN_CLOEXEC && defined IN_NONBLOCK
3745 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3778 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3746 if (fd >= 0) 3779 if (fd >= 0)
3747 return fd; 3780 return fd;
3748#endif 3781#endif
3749 return inotify_init (); 3782 return inotify_init ();
… …
3824#else 3857#else
3825# define EV_LSTAT(p,b) lstat (p, b) 3858# define EV_LSTAT(p,b) lstat (p, b)
3826#endif 3859#endif
3827 3860
3828void 3861void
3829ev_stat_stat (EV_P_ ev_stat *w) 3862ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3830{ 3863{
3831 if (lstat (w->path, &w->attr) < 0) 3864 if (lstat (w->path, &w->attr) < 0)
3832 w->attr.st_nlink = 0; 3865 w->attr.st_nlink = 0;
3833 else if (!w->attr.st_nlink) 3866 else if (!w->attr.st_nlink)
3834 w->attr.st_nlink = 1; 3867 w->attr.st_nlink = 1;
… …
3873 ev_feed_event (EV_A_ w, EV_STAT); 3906 ev_feed_event (EV_A_ w, EV_STAT);
3874 } 3907 }
3875} 3908}
3876 3909
3877void 3910void
3878ev_stat_start (EV_P_ ev_stat *w) 3911ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3879{ 3912{
3880 if (expect_false (ev_is_active (w))) 3913 if (expect_false (ev_is_active (w)))
3881 return; 3914 return;
3882 3915
3883 ev_stat_stat (EV_A_ w); 3916 ev_stat_stat (EV_A_ w);
… …
3904 3937
3905 EV_FREQUENT_CHECK; 3938 EV_FREQUENT_CHECK;
3906} 3939}
3907 3940
3908void 3941void
3909ev_stat_stop (EV_P_ ev_stat *w) 3942ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3910{ 3943{
3911 clear_pending (EV_A_ (W)w); 3944 clear_pending (EV_A_ (W)w);
3912 if (expect_false (!ev_is_active (w))) 3945 if (expect_false (!ev_is_active (w)))
3913 return; 3946 return;
3914 3947
… …
3930} 3963}
3931#endif 3964#endif
3932 3965
3933#if EV_IDLE_ENABLE 3966#if EV_IDLE_ENABLE
3934void 3967void
3935ev_idle_start (EV_P_ ev_idle *w) 3968ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3936{ 3969{
3937 if (expect_false (ev_is_active (w))) 3970 if (expect_false (ev_is_active (w)))
3938 return; 3971 return;
3939 3972
3940 pri_adjust (EV_A_ (W)w); 3973 pri_adjust (EV_A_ (W)w);
… …
3953 3986
3954 EV_FREQUENT_CHECK; 3987 EV_FREQUENT_CHECK;
3955} 3988}
3956 3989
3957void 3990void
3958ev_idle_stop (EV_P_ ev_idle *w) 3991ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3959{ 3992{
3960 clear_pending (EV_A_ (W)w); 3993 clear_pending (EV_A_ (W)w);
3961 if (expect_false (!ev_is_active (w))) 3994 if (expect_false (!ev_is_active (w)))
3962 return; 3995 return;
3963 3996
… …
3977} 4010}
3978#endif 4011#endif
3979 4012
3980#if EV_PREPARE_ENABLE 4013#if EV_PREPARE_ENABLE
3981void 4014void
3982ev_prepare_start (EV_P_ ev_prepare *w) 4015ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3983{ 4016{
3984 if (expect_false (ev_is_active (w))) 4017 if (expect_false (ev_is_active (w)))
3985 return; 4018 return;
3986 4019
3987 EV_FREQUENT_CHECK; 4020 EV_FREQUENT_CHECK;
… …
3992 4025
3993 EV_FREQUENT_CHECK; 4026 EV_FREQUENT_CHECK;
3994} 4027}
3995 4028
3996void 4029void
3997ev_prepare_stop (EV_P_ ev_prepare *w) 4030ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3998{ 4031{
3999 clear_pending (EV_A_ (W)w); 4032 clear_pending (EV_A_ (W)w);
4000 if (expect_false (!ev_is_active (w))) 4033 if (expect_false (!ev_is_active (w)))
4001 return; 4034 return;
4002 4035
… …
4015} 4048}
4016#endif 4049#endif
4017 4050
4018#if EV_CHECK_ENABLE 4051#if EV_CHECK_ENABLE
4019void 4052void
4020ev_check_start (EV_P_ ev_check *w) 4053ev_check_start (EV_P_ ev_check *w) EV_THROW
4021{ 4054{
4022 if (expect_false (ev_is_active (w))) 4055 if (expect_false (ev_is_active (w)))
4023 return; 4056 return;
4024 4057
4025 EV_FREQUENT_CHECK; 4058 EV_FREQUENT_CHECK;
… …
4030 4063
4031 EV_FREQUENT_CHECK; 4064 EV_FREQUENT_CHECK;
4032} 4065}
4033 4066
4034void 4067void
4035ev_check_stop (EV_P_ ev_check *w) 4068ev_check_stop (EV_P_ ev_check *w) EV_THROW
4036{ 4069{
4037 clear_pending (EV_A_ (W)w); 4070 clear_pending (EV_A_ (W)w);
4038 if (expect_false (!ev_is_active (w))) 4071 if (expect_false (!ev_is_active (w)))
4039 return; 4072 return;
4040 4073
… …
4053} 4086}
4054#endif 4087#endif
4055 4088
4056#if EV_EMBED_ENABLE 4089#if EV_EMBED_ENABLE
4057void noinline 4090void noinline
4058ev_embed_sweep (EV_P_ ev_embed *w) 4091ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4059{ 4092{
4060 ev_run (w->other, EVRUN_NOWAIT); 4093 ev_run (w->other, EVRUN_NOWAIT);
4061} 4094}
4062 4095
4063static void 4096static void
… …
4111 ev_idle_stop (EV_A_ idle); 4144 ev_idle_stop (EV_A_ idle);
4112} 4145}
4113#endif 4146#endif
4114 4147
4115void 4148void
4116ev_embed_start (EV_P_ ev_embed *w) 4149ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4117{ 4150{
4118 if (expect_false (ev_is_active (w))) 4151 if (expect_false (ev_is_active (w)))
4119 return; 4152 return;
4120 4153
4121 { 4154 {
… …
4142 4175
4143 EV_FREQUENT_CHECK; 4176 EV_FREQUENT_CHECK;
4144} 4177}
4145 4178
4146void 4179void
4147ev_embed_stop (EV_P_ ev_embed *w) 4180ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4148{ 4181{
4149 clear_pending (EV_A_ (W)w); 4182 clear_pending (EV_A_ (W)w);
4150 if (expect_false (!ev_is_active (w))) 4183 if (expect_false (!ev_is_active (w)))
4151 return; 4184 return;
4152 4185
… …
4162} 4195}
4163#endif 4196#endif
4164 4197
4165#if EV_FORK_ENABLE 4198#if EV_FORK_ENABLE
4166void 4199void
4167ev_fork_start (EV_P_ ev_fork *w) 4200ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4168{ 4201{
4169 if (expect_false (ev_is_active (w))) 4202 if (expect_false (ev_is_active (w)))
4170 return; 4203 return;
4171 4204
4172 EV_FREQUENT_CHECK; 4205 EV_FREQUENT_CHECK;
… …
4177 4210
4178 EV_FREQUENT_CHECK; 4211 EV_FREQUENT_CHECK;
4179} 4212}
4180 4213
4181void 4214void
4182ev_fork_stop (EV_P_ ev_fork *w) 4215ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4183{ 4216{
4184 clear_pending (EV_A_ (W)w); 4217 clear_pending (EV_A_ (W)w);
4185 if (expect_false (!ev_is_active (w))) 4218 if (expect_false (!ev_is_active (w)))
4186 return; 4219 return;
4187 4220
… …
4200} 4233}
4201#endif 4234#endif
4202 4235
4203#if EV_CLEANUP_ENABLE 4236#if EV_CLEANUP_ENABLE
4204void 4237void
4205ev_cleanup_start (EV_P_ ev_cleanup *w) 4238ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4206{ 4239{
4207 if (expect_false (ev_is_active (w))) 4240 if (expect_false (ev_is_active (w)))
4208 return; 4241 return;
4209 4242
4210 EV_FREQUENT_CHECK; 4243 EV_FREQUENT_CHECK;
… …
4217 ev_unref (EV_A); 4250 ev_unref (EV_A);
4218 EV_FREQUENT_CHECK; 4251 EV_FREQUENT_CHECK;
4219} 4252}
4220 4253
4221void 4254void
4222ev_cleanup_stop (EV_P_ ev_cleanup *w) 4255ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4223{ 4256{
4224 clear_pending (EV_A_ (W)w); 4257 clear_pending (EV_A_ (W)w);
4225 if (expect_false (!ev_is_active (w))) 4258 if (expect_false (!ev_is_active (w)))
4226 return; 4259 return;
4227 4260
… …
4241} 4274}
4242#endif 4275#endif
4243 4276
4244#if EV_ASYNC_ENABLE 4277#if EV_ASYNC_ENABLE
4245void 4278void
4246ev_async_start (EV_P_ ev_async *w) 4279ev_async_start (EV_P_ ev_async *w) EV_THROW
4247{ 4280{
4248 if (expect_false (ev_is_active (w))) 4281 if (expect_false (ev_is_active (w)))
4249 return; 4282 return;
4250 4283
4251 w->sent = 0; 4284 w->sent = 0;
… …
4260 4293
4261 EV_FREQUENT_CHECK; 4294 EV_FREQUENT_CHECK;
4262} 4295}
4263 4296
4264void 4297void
4265ev_async_stop (EV_P_ ev_async *w) 4298ev_async_stop (EV_P_ ev_async *w) EV_THROW
4266{ 4299{
4267 clear_pending (EV_A_ (W)w); 4300 clear_pending (EV_A_ (W)w);
4268 if (expect_false (!ev_is_active (w))) 4301 if (expect_false (!ev_is_active (w)))
4269 return; 4302 return;
4270 4303
… …
4281 4314
4282 EV_FREQUENT_CHECK; 4315 EV_FREQUENT_CHECK;
4283} 4316}
4284 4317
4285void 4318void
4286ev_async_send (EV_P_ ev_async *w) 4319ev_async_send (EV_P_ ev_async *w) EV_THROW
4287{ 4320{
4288 w->sent = 1; 4321 w->sent = 1;
4289 evpipe_write (EV_A_ &async_pending); 4322 evpipe_write (EV_A_ &async_pending);
4290} 4323}
4291#endif 4324#endif
… …
4328 4361
4329 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4362 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4330} 4363}
4331 4364
4332void 4365void
4333ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4366ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4334{ 4367{
4335 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4368 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4336 4369
4337 if (expect_false (!once)) 4370 if (expect_false (!once))
4338 { 4371 {
… …
4360 4393
4361/*****************************************************************************/ 4394/*****************************************************************************/
4362 4395
4363#if EV_WALK_ENABLE 4396#if EV_WALK_ENABLE
4364void ecb_cold 4397void ecb_cold
4365ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4398ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4366{ 4399{
4367 int i, j; 4400 int i, j;
4368 ev_watcher_list *wl, *wn; 4401 ev_watcher_list *wl, *wn;
4369 4402
4370 if (types & (EV_IO | EV_EMBED)) 4403 if (types & (EV_IO | EV_EMBED))

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