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Comparing libev/ev.c (file contents):
Revision 1.410 by root, Sat Feb 4 17:57:55 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")
583 #elif defined __mips__
584 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
585 #elif defined __alpha__
586 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
582 #endif 587 #endif
583 #endif 588 #endif
584#endif 589#endif
585 590
586#ifndef ECB_MEMORY_FENCE 591#ifndef ECB_MEMORY_FENCE
587 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 592 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
588 #define ECB_MEMORY_FENCE __sync_synchronize () 593 #define ECB_MEMORY_FENCE __sync_synchronize ()
589 /*#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); }) */
590 /*#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 ); }) */
591 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 596 #elif _MSC_VER >= 1400 /* VC++ 2005 */
592 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 597 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
593 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 598 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
594 #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 */
595 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 600 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
596 #elif defined(_WIN32) 601 #elif defined _WIN32
597 #include <WinNT.h> 602 #include <WinNT.h>
598 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 603 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
599 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 604 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
600 #include <mbarrier.h> 605 #include <mbarrier.h>
601 #define ECB_MEMORY_FENCE __machine_rw_barrier () 606 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
602 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 607 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
603 #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 ()
604 #endif 611 #endif
605#endif 612#endif
606 613
607#ifndef ECB_MEMORY_FENCE 614#ifndef ECB_MEMORY_FENCE
608 #if !ECB_AVOID_PTHREADS 615 #if !ECB_AVOID_PTHREADS
… …
620 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 627 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
621 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 628 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
622 #endif 629 #endif
623#endif 630#endif
624 631
625#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
626 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
627#endif 634#endif
628 635
629#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 636#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
630 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 637 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
631#endif 638#endif
632 639
633/*****************************************************************************/ 640/*****************************************************************************/
634 641
… …
1099{ 1106{
1100 write (STDERR_FILENO, msg, strlen (msg)); 1107 write (STDERR_FILENO, msg, strlen (msg));
1101} 1108}
1102#endif 1109#endif
1103 1110
1104static void (*syserr_cb)(const char *msg); 1111static void (*syserr_cb)(const char *msg) EV_THROW;
1105 1112
1106void ecb_cold 1113void ecb_cold
1107ev_set_syserr_cb (void (*cb)(const char *msg)) 1114ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1108{ 1115{
1109 syserr_cb = cb; 1116 syserr_cb = cb;
1110} 1117}
1111 1118
1112static void noinline ecb_cold 1119static void noinline ecb_cold
… …
1148 free (ptr); 1155 free (ptr);
1149 return 0; 1156 return 0;
1150#endif 1157#endif
1151} 1158}
1152 1159
1153static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1160static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1154 1161
1155void ecb_cold 1162void ecb_cold
1156ev_set_allocator (void *(*cb)(void *ptr, long size)) 1163ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1157{ 1164{
1158 alloc = cb; 1165 alloc = cb;
1159} 1166}
1160 1167
1161inline_speed void * 1168inline_speed void *
… …
1278 1285
1279/*****************************************************************************/ 1286/*****************************************************************************/
1280 1287
1281#ifndef EV_HAVE_EV_TIME 1288#ifndef EV_HAVE_EV_TIME
1282ev_tstamp 1289ev_tstamp
1283ev_time (void) 1290ev_time (void) EV_THROW
1284{ 1291{
1285#if EV_USE_REALTIME 1292#if EV_USE_REALTIME
1286 if (expect_true (have_realtime)) 1293 if (expect_true (have_realtime))
1287 { 1294 {
1288 struct timespec ts; 1295 struct timespec ts;
… …
1312 return ev_time (); 1319 return ev_time ();
1313} 1320}
1314 1321
1315#if EV_MULTIPLICITY 1322#if EV_MULTIPLICITY
1316ev_tstamp 1323ev_tstamp
1317ev_now (EV_P) 1324ev_now (EV_P) EV_THROW
1318{ 1325{
1319 return ev_rt_now; 1326 return ev_rt_now;
1320} 1327}
1321#endif 1328#endif
1322 1329
1323void 1330void
1324ev_sleep (ev_tstamp delay) 1331ev_sleep (ev_tstamp delay) EV_THROW
1325{ 1332{
1326 if (delay > 0.) 1333 if (delay > 0.)
1327 { 1334 {
1328#if EV_USE_NANOSLEEP 1335#if EV_USE_NANOSLEEP
1329 struct timespec ts; 1336 struct timespec ts;
1330 1337
1331 EV_TS_SET (ts, delay); 1338 EV_TS_SET (ts, delay);
1332 nanosleep (&ts, 0); 1339 nanosleep (&ts, 0);
1333#elif defined(_WIN32) 1340#elif defined _WIN32
1334 Sleep ((unsigned long)(delay * 1e3)); 1341 Sleep ((unsigned long)(delay * 1e3));
1335#else 1342#else
1336 struct timeval tv; 1343 struct timeval tv;
1337 1344
1338 /* 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 */
… …
1410pendingcb (EV_P_ ev_prepare *w, int revents) 1417pendingcb (EV_P_ ev_prepare *w, int revents)
1411{ 1418{
1412} 1419}
1413 1420
1414void noinline 1421void noinline
1415ev_feed_event (EV_P_ void *w, int revents) 1422ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1416{ 1423{
1417 W w_ = (W)w; 1424 W w_ = (W)w;
1418 int pri = ABSPRI (w_); 1425 int pri = ABSPRI (w_);
1419 1426
1420 if (expect_false (w_->pending)) 1427 if (expect_false (w_->pending))
… …
1424 w_->pending = ++pendingcnt [pri]; 1431 w_->pending = ++pendingcnt [pri];
1425 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1432 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1426 pendings [pri][w_->pending - 1].w = w_; 1433 pendings [pri][w_->pending - 1].w = w_;
1427 pendings [pri][w_->pending - 1].events = revents; 1434 pendings [pri][w_->pending - 1].events = revents;
1428 } 1435 }
1436
1437 pendingpri = NUMPRI - 1;
1429} 1438}
1430 1439
1431inline_speed void 1440inline_speed void
1432feed_reverse (EV_P_ W w) 1441feed_reverse (EV_P_ W w)
1433{ 1442{
… …
1479 if (expect_true (!anfd->reify)) 1488 if (expect_true (!anfd->reify))
1480 fd_event_nocheck (EV_A_ fd, revents); 1489 fd_event_nocheck (EV_A_ fd, revents);
1481} 1490}
1482 1491
1483void 1492void
1484ev_feed_fd_event (EV_P_ int fd, int revents) 1493ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1485{ 1494{
1486 if (fd >= 0 && fd < anfdmax) 1495 if (fd >= 0 && fd < anfdmax)
1487 fd_event_nocheck (EV_A_ fd, revents); 1496 fd_event_nocheck (EV_A_ fd, revents);
1488} 1497}
1489 1498
… …
1838} 1847}
1839 1848
1840inline_speed void 1849inline_speed void
1841evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1850evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1842{ 1851{
1852 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1853
1843 if (expect_true (*flag)) 1854 if (expect_true (*flag))
1844 return; 1855 return;
1845 1856
1846 *flag = 1; 1857 *flag = 1;
1847 1858
… …
1866 write (evfd, &counter, sizeof (uint64_t)); 1877 write (evfd, &counter, sizeof (uint64_t));
1867 } 1878 }
1868 else 1879 else
1869#endif 1880#endif
1870 { 1881 {
1871 /* win32 people keep sending patches that change this write() to send() */ 1882#ifdef _WIN32
1872 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1883 WSABUF buf;
1873 /* so when you think this write should be a send instead, please find out */ 1884 DWORD sent;
1874 /* where your send() is from - it's definitely not the microsoft send, and */ 1885 buf.buf = &buf;
1875 /* tell me. thank you. */ 1886 buf.len = 1;
1887 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1888#else
1876 write (evpipe [1], &(evpipe [1]), 1); 1889 write (evpipe [1], &(evpipe [1]), 1);
1890#endif
1877 } 1891 }
1878 1892
1879 errno = old_errno; 1893 errno = old_errno;
1880 } 1894 }
1881} 1895}
… …
1896 read (evfd, &counter, sizeof (uint64_t)); 1910 read (evfd, &counter, sizeof (uint64_t));
1897 } 1911 }
1898 else 1912 else
1899#endif 1913#endif
1900 { 1914 {
1901 char dummy; 1915 char dummy[4];
1902 /* 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
1903 read (evpipe [0], &dummy, 1); 1923 read (evpipe [0], &dummy, sizeof (dummy));
1924#endif
1904 } 1925 }
1905 } 1926 }
1906 1927
1907 pipe_write_skipped = 0; 1928 pipe_write_skipped = 0;
1929
1930 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1908 1931
1909#if EV_SIGNAL_ENABLE 1932#if EV_SIGNAL_ENABLE
1910 if (sig_pending) 1933 if (sig_pending)
1911 { 1934 {
1912 sig_pending = 0; 1935 sig_pending = 0;
1936
1937 ECB_MEMORY_FENCE_RELEASE;
1913 1938
1914 for (i = EV_NSIG - 1; i--; ) 1939 for (i = EV_NSIG - 1; i--; )
1915 if (expect_false (signals [i].pending)) 1940 if (expect_false (signals [i].pending))
1916 ev_feed_signal_event (EV_A_ i + 1); 1941 ev_feed_signal_event (EV_A_ i + 1);
1917 } 1942 }
… …
1919 1944
1920#if EV_ASYNC_ENABLE 1945#if EV_ASYNC_ENABLE
1921 if (async_pending) 1946 if (async_pending)
1922 { 1947 {
1923 async_pending = 0; 1948 async_pending = 0;
1949
1950 ECB_MEMORY_FENCE_RELEASE;
1924 1951
1925 for (i = asynccnt; i--; ) 1952 for (i = asynccnt; i--; )
1926 if (asyncs [i]->sent) 1953 if (asyncs [i]->sent)
1927 { 1954 {
1928 asyncs [i]->sent = 0; 1955 asyncs [i]->sent = 0;
… …
1933} 1960}
1934 1961
1935/*****************************************************************************/ 1962/*****************************************************************************/
1936 1963
1937void 1964void
1938ev_feed_signal (int signum) 1965ev_feed_signal (int signum) EV_THROW
1939{ 1966{
1940#if EV_MULTIPLICITY 1967#if EV_MULTIPLICITY
1941 EV_P = signals [signum - 1].loop; 1968 EV_P = signals [signum - 1].loop;
1942 1969
1943 if (!EV_A) 1970 if (!EV_A)
… …
1960 1987
1961 ev_feed_signal (signum); 1988 ev_feed_signal (signum);
1962} 1989}
1963 1990
1964void noinline 1991void noinline
1965ev_feed_signal_event (EV_P_ int signum) 1992ev_feed_signal_event (EV_P_ int signum) EV_THROW
1966{ 1993{
1967 WL w; 1994 WL w;
1968 1995
1969 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1996 if (expect_false (signum <= 0 || signum > EV_NSIG))
1970 return; 1997 return;
… …
2086#if EV_USE_SELECT 2113#if EV_USE_SELECT
2087# include "ev_select.c" 2114# include "ev_select.c"
2088#endif 2115#endif
2089 2116
2090int ecb_cold 2117int ecb_cold
2091ev_version_major (void) 2118ev_version_major (void) EV_THROW
2092{ 2119{
2093 return EV_VERSION_MAJOR; 2120 return EV_VERSION_MAJOR;
2094} 2121}
2095 2122
2096int ecb_cold 2123int ecb_cold
2097ev_version_minor (void) 2124ev_version_minor (void) EV_THROW
2098{ 2125{
2099 return EV_VERSION_MINOR; 2126 return EV_VERSION_MINOR;
2100} 2127}
2101 2128
2102/* 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 */
… …
2110 || getgid () != getegid (); 2137 || getgid () != getegid ();
2111#endif 2138#endif
2112} 2139}
2113 2140
2114unsigned int ecb_cold 2141unsigned int ecb_cold
2115ev_supported_backends (void) 2142ev_supported_backends (void) EV_THROW
2116{ 2143{
2117 unsigned int flags = 0; 2144 unsigned int flags = 0;
2118 2145
2119 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2146 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2120 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2147 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2124 2151
2125 return flags; 2152 return flags;
2126} 2153}
2127 2154
2128unsigned int ecb_cold 2155unsigned int ecb_cold
2129ev_recommended_backends (void) 2156ev_recommended_backends (void) EV_THROW
2130{ 2157{
2131 unsigned int flags = ev_supported_backends (); 2158 unsigned int flags = ev_supported_backends ();
2132 2159
2133#ifndef __NetBSD__ 2160#ifndef __NetBSD__
2134 /* kqueue is borked on everything but netbsd apparently */ 2161 /* kqueue is borked on everything but netbsd apparently */
… …
2146 2173
2147 return flags; 2174 return flags;
2148} 2175}
2149 2176
2150unsigned int ecb_cold 2177unsigned int ecb_cold
2151ev_embeddable_backends (void) 2178ev_embeddable_backends (void) EV_THROW
2152{ 2179{
2153 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2180 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2154 2181
2155 /* 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 */
2156 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 */
… …
2158 2185
2159 return flags; 2186 return flags;
2160} 2187}
2161 2188
2162unsigned int 2189unsigned int
2163ev_backend (EV_P) 2190ev_backend (EV_P) EV_THROW
2164{ 2191{
2165 return backend; 2192 return backend;
2166} 2193}
2167 2194
2168#if EV_FEATURE_API 2195#if EV_FEATURE_API
2169unsigned int 2196unsigned int
2170ev_iteration (EV_P) 2197ev_iteration (EV_P) EV_THROW
2171{ 2198{
2172 return loop_count; 2199 return loop_count;
2173} 2200}
2174 2201
2175unsigned int 2202unsigned int
2176ev_depth (EV_P) 2203ev_depth (EV_P) EV_THROW
2177{ 2204{
2178 return loop_depth; 2205 return loop_depth;
2179} 2206}
2180 2207
2181void 2208void
2182ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2209ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2183{ 2210{
2184 io_blocktime = interval; 2211 io_blocktime = interval;
2185} 2212}
2186 2213
2187void 2214void
2188ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2215ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2189{ 2216{
2190 timeout_blocktime = interval; 2217 timeout_blocktime = interval;
2191} 2218}
2192 2219
2193void 2220void
2194ev_set_userdata (EV_P_ void *data) 2221ev_set_userdata (EV_P_ void *data) EV_THROW
2195{ 2222{
2196 userdata = data; 2223 userdata = data;
2197} 2224}
2198 2225
2199void * 2226void *
2200ev_userdata (EV_P) 2227ev_userdata (EV_P) EV_THROW
2201{ 2228{
2202 return userdata; 2229 return userdata;
2203} 2230}
2204 2231
2205void 2232void
2206ev_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
2207{ 2234{
2208 invoke_cb = invoke_pending_cb; 2235 invoke_cb = invoke_pending_cb;
2209} 2236}
2210 2237
2211void 2238void
2212ev_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
2213{ 2240{
2214 release_cb = release; 2241 release_cb = release;
2215 acquire_cb = acquire; 2242 acquire_cb = acquire;
2216} 2243}
2217#endif 2244#endif
2218 2245
2219/* initialise a loop structure, must be zero-initialised */ 2246/* initialise a loop structure, must be zero-initialised */
2220static void noinline ecb_cold 2247static void noinline ecb_cold
2221loop_init (EV_P_ unsigned int flags) 2248loop_init (EV_P_ unsigned int flags) EV_THROW
2222{ 2249{
2223 if (!backend) 2250 if (!backend)
2224 { 2251 {
2225 origflags = flags; 2252 origflags = flags;
2226 2253
… …
2479} 2506}
2480 2507
2481#if EV_MULTIPLICITY 2508#if EV_MULTIPLICITY
2482 2509
2483struct ev_loop * ecb_cold 2510struct ev_loop * ecb_cold
2484ev_loop_new (unsigned int flags) 2511ev_loop_new (unsigned int flags) EV_THROW
2485{ 2512{
2486 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2513 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2487 2514
2488 memset (EV_A, 0, sizeof (struct ev_loop)); 2515 memset (EV_A, 0, sizeof (struct ev_loop));
2489 loop_init (EV_A_ flags); 2516 loop_init (EV_A_ flags);
… …
2533} 2560}
2534#endif 2561#endif
2535 2562
2536#if EV_FEATURE_API 2563#if EV_FEATURE_API
2537void ecb_cold 2564void ecb_cold
2538ev_verify (EV_P) 2565ev_verify (EV_P) EV_THROW
2539{ 2566{
2540#if EV_VERIFY 2567#if EV_VERIFY
2541 int i; 2568 int i;
2542 WL w; 2569 WL w, w2;
2543 2570
2544 assert (activecnt >= -1); 2571 assert (activecnt >= -1);
2545 2572
2546 assert (fdchangemax >= fdchangecnt); 2573 assert (fdchangemax >= fdchangecnt);
2547 for (i = 0; i < fdchangecnt; ++i) 2574 for (i = 0; i < fdchangecnt; ++i)
2548 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2575 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2549 2576
2550 assert (anfdmax >= 0); 2577 assert (anfdmax >= 0);
2551 for (i = 0; i < anfdmax; ++i) 2578 for (i = 0; i < anfdmax; ++i)
2579 {
2580 int j = 0;
2581
2552 for (w = anfds [i].head; w; w = w->next) 2582 for (w = w2 = anfds [i].head; w; w = w->next)
2553 { 2583 {
2554 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
2555 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));
2556 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));
2557 } 2594 }
2595 }
2558 2596
2559 assert (timermax >= timercnt); 2597 assert (timermax >= timercnt);
2560 verify_heap (EV_A_ timers, timercnt); 2598 verify_heap (EV_A_ timers, timercnt);
2561 2599
2562#if EV_PERIODIC_ENABLE 2600#if EV_PERIODIC_ENABLE
… …
2612#if EV_MULTIPLICITY 2650#if EV_MULTIPLICITY
2613struct ev_loop * ecb_cold 2651struct ev_loop * ecb_cold
2614#else 2652#else
2615int 2653int
2616#endif 2654#endif
2617ev_default_loop (unsigned int flags) 2655ev_default_loop (unsigned int flags) EV_THROW
2618{ 2656{
2619 if (!ev_default_loop_ptr) 2657 if (!ev_default_loop_ptr)
2620 { 2658 {
2621#if EV_MULTIPLICITY 2659#if EV_MULTIPLICITY
2622 EV_P = ev_default_loop_ptr = &default_loop_struct; 2660 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2641 2679
2642 return ev_default_loop_ptr; 2680 return ev_default_loop_ptr;
2643} 2681}
2644 2682
2645void 2683void
2646ev_loop_fork (EV_P) 2684ev_loop_fork (EV_P) EV_THROW
2647{ 2685{
2648 postfork = 1; /* must be in line with ev_default_fork */ 2686 postfork = 1; /* must be in line with ev_default_fork */
2649} 2687}
2650 2688
2651/*****************************************************************************/ 2689/*****************************************************************************/
… …
2655{ 2693{
2656 EV_CB_INVOKE ((W)w, revents); 2694 EV_CB_INVOKE ((W)w, revents);
2657} 2695}
2658 2696
2659unsigned int 2697unsigned int
2660ev_pending_count (EV_P) 2698ev_pending_count (EV_P) EV_THROW
2661{ 2699{
2662 int pri; 2700 int pri;
2663 unsigned int count = 0; 2701 unsigned int count = 0;
2664 2702
2665 for (pri = NUMPRI; pri--; ) 2703 for (pri = NUMPRI; pri--; )
… …
2669} 2707}
2670 2708
2671void noinline 2709void noinline
2672ev_invoke_pending (EV_P) 2710ev_invoke_pending (EV_P)
2673{ 2711{
2674 int pri; 2712 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2675
2676 for (pri = NUMPRI; pri--; )
2677 while (pendingcnt [pri]) 2713 while (pendingcnt [pendingpri])
2678 { 2714 {
2679 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2715 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2680 2716
2681 p->w->pending = 0; 2717 p->w->pending = 0;
2682 EV_CB_INVOKE (p->w, p->events); 2718 EV_CB_INVOKE (p->w, p->events);
2683 EV_FREQUENT_CHECK; 2719 EV_FREQUENT_CHECK;
2684 } 2720 }
… …
2924 2960
2925 mn_now = ev_rt_now; 2961 mn_now = ev_rt_now;
2926 } 2962 }
2927} 2963}
2928 2964
2929void 2965int
2930ev_run (EV_P_ int flags) 2966ev_run (EV_P_ int flags)
2931{ 2967{
2932#if EV_FEATURE_API 2968#if EV_FEATURE_API
2933 ++loop_depth; 2969 ++loop_depth;
2934#endif 2970#endif
… …
3091 loop_done = EVBREAK_CANCEL; 3127 loop_done = EVBREAK_CANCEL;
3092 3128
3093#if EV_FEATURE_API 3129#if EV_FEATURE_API
3094 --loop_depth; 3130 --loop_depth;
3095#endif 3131#endif
3132
3133 return activecnt;
3096} 3134}
3097 3135
3098void 3136void
3099ev_break (EV_P_ int how) 3137ev_break (EV_P_ int how) EV_THROW
3100{ 3138{
3101 loop_done = how; 3139 loop_done = how;
3102} 3140}
3103 3141
3104void 3142void
3105ev_ref (EV_P) 3143ev_ref (EV_P) EV_THROW
3106{ 3144{
3107 ++activecnt; 3145 ++activecnt;
3108} 3146}
3109 3147
3110void 3148void
3111ev_unref (EV_P) 3149ev_unref (EV_P) EV_THROW
3112{ 3150{
3113 --activecnt; 3151 --activecnt;
3114} 3152}
3115 3153
3116void 3154void
3117ev_now_update (EV_P) 3155ev_now_update (EV_P) EV_THROW
3118{ 3156{
3119 time_update (EV_A_ 1e100); 3157 time_update (EV_A_ 1e100);
3120} 3158}
3121 3159
3122void 3160void
3123ev_suspend (EV_P) 3161ev_suspend (EV_P) EV_THROW
3124{ 3162{
3125 ev_now_update (EV_A); 3163 ev_now_update (EV_A);
3126} 3164}
3127 3165
3128void 3166void
3129ev_resume (EV_P) 3167ev_resume (EV_P) EV_THROW
3130{ 3168{
3131 ev_tstamp mn_prev = mn_now; 3169 ev_tstamp mn_prev = mn_now;
3132 3170
3133 ev_now_update (EV_A); 3171 ev_now_update (EV_A);
3134 timers_reschedule (EV_A_ mn_now - mn_prev); 3172 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3173 w->pending = 0; 3211 w->pending = 0;
3174 } 3212 }
3175} 3213}
3176 3214
3177int 3215int
3178ev_clear_pending (EV_P_ void *w) 3216ev_clear_pending (EV_P_ void *w) EV_THROW
3179{ 3217{
3180 W w_ = (W)w; 3218 W w_ = (W)w;
3181 int pending = w_->pending; 3219 int pending = w_->pending;
3182 3220
3183 if (expect_true (pending)) 3221 if (expect_true (pending))
… …
3216} 3254}
3217 3255
3218/*****************************************************************************/ 3256/*****************************************************************************/
3219 3257
3220void noinline 3258void noinline
3221ev_io_start (EV_P_ ev_io *w) 3259ev_io_start (EV_P_ ev_io *w) EV_THROW
3222{ 3260{
3223 int fd = w->fd; 3261 int fd = w->fd;
3224 3262
3225 if (expect_false (ev_is_active (w))) 3263 if (expect_false (ev_is_active (w)))
3226 return; 3264 return;
… …
3232 3270
3233 ev_start (EV_A_ (W)w, 1); 3271 ev_start (EV_A_ (W)w, 1);
3234 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3272 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3235 wlist_add (&anfds[fd].head, (WL)w); 3273 wlist_add (&anfds[fd].head, (WL)w);
3236 3274
3275 /* common bug, apparently */
3276 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3277
3237 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);
3238 w->events &= ~EV__IOFDSET; 3279 w->events &= ~EV__IOFDSET;
3239 3280
3240 EV_FREQUENT_CHECK; 3281 EV_FREQUENT_CHECK;
3241} 3282}
3242 3283
3243void noinline 3284void noinline
3244ev_io_stop (EV_P_ ev_io *w) 3285ev_io_stop (EV_P_ ev_io *w) EV_THROW
3245{ 3286{
3246 clear_pending (EV_A_ (W)w); 3287 clear_pending (EV_A_ (W)w);
3247 if (expect_false (!ev_is_active (w))) 3288 if (expect_false (!ev_is_active (w)))
3248 return; 3289 return;
3249 3290
… …
3258 3299
3259 EV_FREQUENT_CHECK; 3300 EV_FREQUENT_CHECK;
3260} 3301}
3261 3302
3262void noinline 3303void noinline
3263ev_timer_start (EV_P_ ev_timer *w) 3304ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3264{ 3305{
3265 if (expect_false (ev_is_active (w))) 3306 if (expect_false (ev_is_active (w)))
3266 return; 3307 return;
3267 3308
3268 ev_at (w) += mn_now; 3309 ev_at (w) += mn_now;
… …
3282 3323
3283 /*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));*/
3284} 3325}
3285 3326
3286void noinline 3327void noinline
3287ev_timer_stop (EV_P_ ev_timer *w) 3328ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3288{ 3329{
3289 clear_pending (EV_A_ (W)w); 3330 clear_pending (EV_A_ (W)w);
3290 if (expect_false (!ev_is_active (w))) 3331 if (expect_false (!ev_is_active (w)))
3291 return; 3332 return;
3292 3333
… …
3312 3353
3313 EV_FREQUENT_CHECK; 3354 EV_FREQUENT_CHECK;
3314} 3355}
3315 3356
3316void noinline 3357void noinline
3317ev_timer_again (EV_P_ ev_timer *w) 3358ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3318{ 3359{
3319 EV_FREQUENT_CHECK; 3360 EV_FREQUENT_CHECK;
3320 3361
3321 clear_pending (EV_A_ (W)w); 3362 clear_pending (EV_A_ (W)w);
3322 3363
… …
3339 3380
3340 EV_FREQUENT_CHECK; 3381 EV_FREQUENT_CHECK;
3341} 3382}
3342 3383
3343ev_tstamp 3384ev_tstamp
3344ev_timer_remaining (EV_P_ ev_timer *w) 3385ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3345{ 3386{
3346 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3387 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3347} 3388}
3348 3389
3349#if EV_PERIODIC_ENABLE 3390#if EV_PERIODIC_ENABLE
3350void noinline 3391void noinline
3351ev_periodic_start (EV_P_ ev_periodic *w) 3392ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3352{ 3393{
3353 if (expect_false (ev_is_active (w))) 3394 if (expect_false (ev_is_active (w)))
3354 return; 3395 return;
3355 3396
3356 if (w->reschedule_cb) 3397 if (w->reschedule_cb)
… …
3376 3417
3377 /*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));*/
3378} 3419}
3379 3420
3380void noinline 3421void noinline
3381ev_periodic_stop (EV_P_ ev_periodic *w) 3422ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3382{ 3423{
3383 clear_pending (EV_A_ (W)w); 3424 clear_pending (EV_A_ (W)w);
3384 if (expect_false (!ev_is_active (w))) 3425 if (expect_false (!ev_is_active (w)))
3385 return; 3426 return;
3386 3427
… …
3404 3445
3405 EV_FREQUENT_CHECK; 3446 EV_FREQUENT_CHECK;
3406} 3447}
3407 3448
3408void noinline 3449void noinline
3409ev_periodic_again (EV_P_ ev_periodic *w) 3450ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3410{ 3451{
3411 /* TODO: use adjustheap and recalculation */ 3452 /* TODO: use adjustheap and recalculation */
3412 ev_periodic_stop (EV_A_ w); 3453 ev_periodic_stop (EV_A_ w);
3413 ev_periodic_start (EV_A_ w); 3454 ev_periodic_start (EV_A_ w);
3414} 3455}
… …
3419#endif 3460#endif
3420 3461
3421#if EV_SIGNAL_ENABLE 3462#if EV_SIGNAL_ENABLE
3422 3463
3423void noinline 3464void noinline
3424ev_signal_start (EV_P_ ev_signal *w) 3465ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3425{ 3466{
3426 if (expect_false (ev_is_active (w))) 3467 if (expect_false (ev_is_active (w)))
3427 return; 3468 return;
3428 3469
3429 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));
… …
3500 3541
3501 EV_FREQUENT_CHECK; 3542 EV_FREQUENT_CHECK;
3502} 3543}
3503 3544
3504void noinline 3545void noinline
3505ev_signal_stop (EV_P_ ev_signal *w) 3546ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3506{ 3547{
3507 clear_pending (EV_A_ (W)w); 3548 clear_pending (EV_A_ (W)w);
3508 if (expect_false (!ev_is_active (w))) 3549 if (expect_false (!ev_is_active (w)))
3509 return; 3550 return;
3510 3551
… …
3541#endif 3582#endif
3542 3583
3543#if EV_CHILD_ENABLE 3584#if EV_CHILD_ENABLE
3544 3585
3545void 3586void
3546ev_child_start (EV_P_ ev_child *w) 3587ev_child_start (EV_P_ ev_child *w) EV_THROW
3547{ 3588{
3548#if EV_MULTIPLICITY 3589#if EV_MULTIPLICITY
3549 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));
3550#endif 3591#endif
3551 if (expect_false (ev_is_active (w))) 3592 if (expect_false (ev_is_active (w)))
… …
3558 3599
3559 EV_FREQUENT_CHECK; 3600 EV_FREQUENT_CHECK;
3560} 3601}
3561 3602
3562void 3603void
3563ev_child_stop (EV_P_ ev_child *w) 3604ev_child_stop (EV_P_ ev_child *w) EV_THROW
3564{ 3605{
3565 clear_pending (EV_A_ (W)w); 3606 clear_pending (EV_A_ (W)w);
3566 if (expect_false (!ev_is_active (w))) 3607 if (expect_false (!ev_is_active (w)))
3567 return; 3608 return;
3568 3609
… …
3735} 3776}
3736 3777
3737inline_size int 3778inline_size int
3738infy_newfd (void) 3779infy_newfd (void)
3739{ 3780{
3740#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3781#if defined IN_CLOEXEC && defined IN_NONBLOCK
3741 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3782 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3742 if (fd >= 0) 3783 if (fd >= 0)
3743 return fd; 3784 return fd;
3744#endif 3785#endif
3745 return inotify_init (); 3786 return inotify_init ();
… …
3820#else 3861#else
3821# define EV_LSTAT(p,b) lstat (p, b) 3862# define EV_LSTAT(p,b) lstat (p, b)
3822#endif 3863#endif
3823 3864
3824void 3865void
3825ev_stat_stat (EV_P_ ev_stat *w) 3866ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3826{ 3867{
3827 if (lstat (w->path, &w->attr) < 0) 3868 if (lstat (w->path, &w->attr) < 0)
3828 w->attr.st_nlink = 0; 3869 w->attr.st_nlink = 0;
3829 else if (!w->attr.st_nlink) 3870 else if (!w->attr.st_nlink)
3830 w->attr.st_nlink = 1; 3871 w->attr.st_nlink = 1;
… …
3869 ev_feed_event (EV_A_ w, EV_STAT); 3910 ev_feed_event (EV_A_ w, EV_STAT);
3870 } 3911 }
3871} 3912}
3872 3913
3873void 3914void
3874ev_stat_start (EV_P_ ev_stat *w) 3915ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3875{ 3916{
3876 if (expect_false (ev_is_active (w))) 3917 if (expect_false (ev_is_active (w)))
3877 return; 3918 return;
3878 3919
3879 ev_stat_stat (EV_A_ w); 3920 ev_stat_stat (EV_A_ w);
… …
3900 3941
3901 EV_FREQUENT_CHECK; 3942 EV_FREQUENT_CHECK;
3902} 3943}
3903 3944
3904void 3945void
3905ev_stat_stop (EV_P_ ev_stat *w) 3946ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3906{ 3947{
3907 clear_pending (EV_A_ (W)w); 3948 clear_pending (EV_A_ (W)w);
3908 if (expect_false (!ev_is_active (w))) 3949 if (expect_false (!ev_is_active (w)))
3909 return; 3950 return;
3910 3951
… …
3926} 3967}
3927#endif 3968#endif
3928 3969
3929#if EV_IDLE_ENABLE 3970#if EV_IDLE_ENABLE
3930void 3971void
3931ev_idle_start (EV_P_ ev_idle *w) 3972ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3932{ 3973{
3933 if (expect_false (ev_is_active (w))) 3974 if (expect_false (ev_is_active (w)))
3934 return; 3975 return;
3935 3976
3936 pri_adjust (EV_A_ (W)w); 3977 pri_adjust (EV_A_ (W)w);
… …
3949 3990
3950 EV_FREQUENT_CHECK; 3991 EV_FREQUENT_CHECK;
3951} 3992}
3952 3993
3953void 3994void
3954ev_idle_stop (EV_P_ ev_idle *w) 3995ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3955{ 3996{
3956 clear_pending (EV_A_ (W)w); 3997 clear_pending (EV_A_ (W)w);
3957 if (expect_false (!ev_is_active (w))) 3998 if (expect_false (!ev_is_active (w)))
3958 return; 3999 return;
3959 4000
… …
3973} 4014}
3974#endif 4015#endif
3975 4016
3976#if EV_PREPARE_ENABLE 4017#if EV_PREPARE_ENABLE
3977void 4018void
3978ev_prepare_start (EV_P_ ev_prepare *w) 4019ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3979{ 4020{
3980 if (expect_false (ev_is_active (w))) 4021 if (expect_false (ev_is_active (w)))
3981 return; 4022 return;
3982 4023
3983 EV_FREQUENT_CHECK; 4024 EV_FREQUENT_CHECK;
… …
3988 4029
3989 EV_FREQUENT_CHECK; 4030 EV_FREQUENT_CHECK;
3990} 4031}
3991 4032
3992void 4033void
3993ev_prepare_stop (EV_P_ ev_prepare *w) 4034ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3994{ 4035{
3995 clear_pending (EV_A_ (W)w); 4036 clear_pending (EV_A_ (W)w);
3996 if (expect_false (!ev_is_active (w))) 4037 if (expect_false (!ev_is_active (w)))
3997 return; 4038 return;
3998 4039
… …
4011} 4052}
4012#endif 4053#endif
4013 4054
4014#if EV_CHECK_ENABLE 4055#if EV_CHECK_ENABLE
4015void 4056void
4016ev_check_start (EV_P_ ev_check *w) 4057ev_check_start (EV_P_ ev_check *w) EV_THROW
4017{ 4058{
4018 if (expect_false (ev_is_active (w))) 4059 if (expect_false (ev_is_active (w)))
4019 return; 4060 return;
4020 4061
4021 EV_FREQUENT_CHECK; 4062 EV_FREQUENT_CHECK;
… …
4026 4067
4027 EV_FREQUENT_CHECK; 4068 EV_FREQUENT_CHECK;
4028} 4069}
4029 4070
4030void 4071void
4031ev_check_stop (EV_P_ ev_check *w) 4072ev_check_stop (EV_P_ ev_check *w) EV_THROW
4032{ 4073{
4033 clear_pending (EV_A_ (W)w); 4074 clear_pending (EV_A_ (W)w);
4034 if (expect_false (!ev_is_active (w))) 4075 if (expect_false (!ev_is_active (w)))
4035 return; 4076 return;
4036 4077
… …
4049} 4090}
4050#endif 4091#endif
4051 4092
4052#if EV_EMBED_ENABLE 4093#if EV_EMBED_ENABLE
4053void noinline 4094void noinline
4054ev_embed_sweep (EV_P_ ev_embed *w) 4095ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4055{ 4096{
4056 ev_run (w->other, EVRUN_NOWAIT); 4097 ev_run (w->other, EVRUN_NOWAIT);
4057} 4098}
4058 4099
4059static void 4100static void
… …
4107 ev_idle_stop (EV_A_ idle); 4148 ev_idle_stop (EV_A_ idle);
4108} 4149}
4109#endif 4150#endif
4110 4151
4111void 4152void
4112ev_embed_start (EV_P_ ev_embed *w) 4153ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4113{ 4154{
4114 if (expect_false (ev_is_active (w))) 4155 if (expect_false (ev_is_active (w)))
4115 return; 4156 return;
4116 4157
4117 { 4158 {
… …
4138 4179
4139 EV_FREQUENT_CHECK; 4180 EV_FREQUENT_CHECK;
4140} 4181}
4141 4182
4142void 4183void
4143ev_embed_stop (EV_P_ ev_embed *w) 4184ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4144{ 4185{
4145 clear_pending (EV_A_ (W)w); 4186 clear_pending (EV_A_ (W)w);
4146 if (expect_false (!ev_is_active (w))) 4187 if (expect_false (!ev_is_active (w)))
4147 return; 4188 return;
4148 4189
… …
4158} 4199}
4159#endif 4200#endif
4160 4201
4161#if EV_FORK_ENABLE 4202#if EV_FORK_ENABLE
4162void 4203void
4163ev_fork_start (EV_P_ ev_fork *w) 4204ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4164{ 4205{
4165 if (expect_false (ev_is_active (w))) 4206 if (expect_false (ev_is_active (w)))
4166 return; 4207 return;
4167 4208
4168 EV_FREQUENT_CHECK; 4209 EV_FREQUENT_CHECK;
… …
4173 4214
4174 EV_FREQUENT_CHECK; 4215 EV_FREQUENT_CHECK;
4175} 4216}
4176 4217
4177void 4218void
4178ev_fork_stop (EV_P_ ev_fork *w) 4219ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4179{ 4220{
4180 clear_pending (EV_A_ (W)w); 4221 clear_pending (EV_A_ (W)w);
4181 if (expect_false (!ev_is_active (w))) 4222 if (expect_false (!ev_is_active (w)))
4182 return; 4223 return;
4183 4224
… …
4196} 4237}
4197#endif 4238#endif
4198 4239
4199#if EV_CLEANUP_ENABLE 4240#if EV_CLEANUP_ENABLE
4200void 4241void
4201ev_cleanup_start (EV_P_ ev_cleanup *w) 4242ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4202{ 4243{
4203 if (expect_false (ev_is_active (w))) 4244 if (expect_false (ev_is_active (w)))
4204 return; 4245 return;
4205 4246
4206 EV_FREQUENT_CHECK; 4247 EV_FREQUENT_CHECK;
… …
4213 ev_unref (EV_A); 4254 ev_unref (EV_A);
4214 EV_FREQUENT_CHECK; 4255 EV_FREQUENT_CHECK;
4215} 4256}
4216 4257
4217void 4258void
4218ev_cleanup_stop (EV_P_ ev_cleanup *w) 4259ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4219{ 4260{
4220 clear_pending (EV_A_ (W)w); 4261 clear_pending (EV_A_ (W)w);
4221 if (expect_false (!ev_is_active (w))) 4262 if (expect_false (!ev_is_active (w)))
4222 return; 4263 return;
4223 4264
… …
4237} 4278}
4238#endif 4279#endif
4239 4280
4240#if EV_ASYNC_ENABLE 4281#if EV_ASYNC_ENABLE
4241void 4282void
4242ev_async_start (EV_P_ ev_async *w) 4283ev_async_start (EV_P_ ev_async *w) EV_THROW
4243{ 4284{
4244 if (expect_false (ev_is_active (w))) 4285 if (expect_false (ev_is_active (w)))
4245 return; 4286 return;
4246 4287
4247 w->sent = 0; 4288 w->sent = 0;
… …
4256 4297
4257 EV_FREQUENT_CHECK; 4298 EV_FREQUENT_CHECK;
4258} 4299}
4259 4300
4260void 4301void
4261ev_async_stop (EV_P_ ev_async *w) 4302ev_async_stop (EV_P_ ev_async *w) EV_THROW
4262{ 4303{
4263 clear_pending (EV_A_ (W)w); 4304 clear_pending (EV_A_ (W)w);
4264 if (expect_false (!ev_is_active (w))) 4305 if (expect_false (!ev_is_active (w)))
4265 return; 4306 return;
4266 4307
… …
4277 4318
4278 EV_FREQUENT_CHECK; 4319 EV_FREQUENT_CHECK;
4279} 4320}
4280 4321
4281void 4322void
4282ev_async_send (EV_P_ ev_async *w) 4323ev_async_send (EV_P_ ev_async *w) EV_THROW
4283{ 4324{
4284 w->sent = 1; 4325 w->sent = 1;
4285 evpipe_write (EV_A_ &async_pending); 4326 evpipe_write (EV_A_ &async_pending);
4286} 4327}
4287#endif 4328#endif
… …
4324 4365
4325 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));
4326} 4367}
4327 4368
4328void 4369void
4329ev_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
4330{ 4371{
4331 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));
4332 4373
4333 if (expect_false (!once)) 4374 if (expect_false (!once))
4334 { 4375 {
… …
4356 4397
4357/*****************************************************************************/ 4398/*****************************************************************************/
4358 4399
4359#if EV_WALK_ENABLE 4400#if EV_WALK_ENABLE
4360void ecb_cold 4401void ecb_cold
4361ev_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
4362{ 4403{
4363 int i, j; 4404 int i, j;
4364 ev_watcher_list *wl, *wn; 4405 ev_watcher_list *wl, *wn;
4365 4406
4366 if (types & (EV_IO | EV_EMBED)) 4407 if (types & (EV_IO | EV_EMBED))

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