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Comparing libev/ev.c (file contents):
Revision 1.411 by root, Tue Feb 21 04:34:02 2012 UTC vs.
Revision 1.431 by root, Wed May 9 16:51:33 2012 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
59# endif 59# endif
60# ifndef EV_USE_MONOTONIC 60# ifndef EV_USE_MONOTONIC
61# define EV_USE_MONOTONIC 1 61# define EV_USE_MONOTONIC 1
62# endif 62# endif
63# endif 63# endif
64# elif !defined(EV_USE_CLOCK_SYSCALL) 64# elif !defined EV_USE_CLOCK_SYSCALL
65# define EV_USE_CLOCK_SYSCALL 0 65# define EV_USE_CLOCK_SYSCALL 0
66# endif 66# endif
67 67
68# if HAVE_CLOCK_GETTIME 68# if HAVE_CLOCK_GETTIME
69# ifndef EV_USE_MONOTONIC 69# ifndef EV_USE_MONOTONIC
201# include <sys/wait.h> 201# include <sys/wait.h>
202# include <unistd.h> 202# include <unistd.h>
203#else 203#else
204# include <io.h> 204# include <io.h>
205# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <winsock2.h>
206# include <windows.h> 207# include <windows.h>
207# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
208# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
209# endif 210# endif
210# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
219#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
220 221
221/* this block tries to deduce configuration from header-defined symbols and defaults */ 222/* this block tries to deduce configuration from header-defined symbols and defaults */
222 223
223/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
224#if defined (EV_NSIG) 225#if defined EV_NSIG
225/* use what's provided */ 226/* use what's provided */
226#elif defined (NSIG) 227#elif defined NSIG
227# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
228#elif defined(_NSIG) 229#elif defined _NSIG
229# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
230#elif defined (SIGMAX) 231#elif defined SIGMAX
231# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
232#elif defined (SIG_MAX) 233#elif defined SIG_MAX
233# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
234#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
235# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
236#elif defined (MAXSIG) 237#elif defined MAXSIG
237# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
238#elif defined (MAX_SIG) 239#elif defined MAX_SIG
239# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
240#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
241# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
242#elif defined (_sys_nsig) 243#elif defined _sys_nsig
243# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
244#else 245#else
245# error "unable to find value for NSIG, please report" 246# error "unable to find value for NSIG, please report"
246/* to make it compile regardless, just remove the above line, */ 247/* to make it compile regardless, just remove the above line, */
247/* but consider reporting it, too! :) */ 248/* but consider reporting it, too! :) */
259# define EV_USE_CLOCK_SYSCALL 0 260# define EV_USE_CLOCK_SYSCALL 0
260# endif 261# endif
261#endif 262#endif
262 263
263#ifndef EV_USE_MONOTONIC 264#ifndef EV_USE_MONOTONIC
264# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 265# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
265# define EV_USE_MONOTONIC EV_FEATURE_OS 266# define EV_USE_MONOTONIC EV_FEATURE_OS
266# else 267# else
267# define EV_USE_MONOTONIC 0 268# define EV_USE_MONOTONIC 0
268# endif 269# endif
269#endif 270#endif
359#endif 360#endif
360 361
361/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 362/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
362/* which makes programs even slower. might work on other unices, too. */ 363/* which makes programs even slower. might work on other unices, too. */
363#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
364# include <syscall.h> 365# include <sys/syscall.h>
365# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
366# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
368# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
369# else 370# else
395# define EV_USE_INOTIFY 0 396# define EV_USE_INOTIFY 0
396#endif 397#endif
397 398
398#if !EV_USE_NANOSLEEP 399#if !EV_USE_NANOSLEEP
399/* hp-ux has it in sys/time.h, which we unconditionally include above */ 400/* hp-ux has it in sys/time.h, which we unconditionally include above */
400# if !defined(_WIN32) && !defined(__hpux) 401# if !defined _WIN32 && !defined __hpux
401# include <sys/select.h> 402# include <sys/select.h>
402# endif 403# endif
403#endif 404#endif
404 405
405#if EV_USE_INOTIFY 406#if EV_USE_INOTIFY
408/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 409/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
409# ifndef IN_DONT_FOLLOW 410# ifndef IN_DONT_FOLLOW
410# undef EV_USE_INOTIFY 411# undef EV_USE_INOTIFY
411# define EV_USE_INOTIFY 0 412# define EV_USE_INOTIFY 0
412# endif 413# endif
413#endif
414
415#if EV_SELECT_IS_WINSOCKET
416# include <winsock.h>
417#endif 414#endif
418 415
419#if EV_USE_EVENTFD 416#if EV_USE_EVENTFD
420/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
421# include <stdint.h> 418# include <stdint.h>
533 * or so. 530 * or so.
534 * we try to detect these and simply assume they are not gcc - if they have 531 * we try to detect these and simply assume they are not gcc - if they have
535 * an issue with that they should have done it right in the first place. 532 * an issue with that they should have done it right in the first place.
536 */ 533 */
537#ifndef ECB_GCC_VERSION 534#ifndef ECB_GCC_VERSION
538 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 535 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
539 #define ECB_GCC_VERSION(major,minor) 0 536 #define ECB_GCC_VERSION(major,minor) 0
540 #else 537 #else
541 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 538 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
542 #endif 539 #endif
543#endif 540#endif
554#if ECB_NO_THREADS || ECB_NO_SMP 551#if ECB_NO_THREADS || ECB_NO_SMP
555 #define ECB_MEMORY_FENCE do { } while (0) 552 #define ECB_MEMORY_FENCE do { } while (0)
556#endif 553#endif
557 554
558#ifndef ECB_MEMORY_FENCE 555#ifndef ECB_MEMORY_FENCE
559 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 556 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560 #if __i386 || __i386__ 557 #if __i386 || __i386__
561 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 558 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
562 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ 559 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
563 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ 560 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 561 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 563 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
567 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ 564 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 565 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 566 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 567 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 568 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
572 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
573 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ 570 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 571 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 572 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576 #elif __sparc || __sparc__ 573 #elif __sparc || __sparc__
577 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") 574 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
578 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 575 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 576 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580 #elif defined(__s390__) || defined(__s390x__) 577 #elif defined __s390__ || defined __s390x__
581 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") 578 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
579 #elif defined __mips__
580 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
581 #elif defined __alpha__
582 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
582 #endif 583 #endif
583 #endif 584 #endif
584#endif 585#endif
585 586
586#ifndef ECB_MEMORY_FENCE 587#ifndef ECB_MEMORY_FENCE
587 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 588 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
588 #define ECB_MEMORY_FENCE __sync_synchronize () 589 #define ECB_MEMORY_FENCE __sync_synchronize ()
589 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ 590 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
590 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ 591 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
591 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 592 #elif _MSC_VER >= 1400 /* VC++ 2005 */
592 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 593 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
593 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 594 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
594 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 595 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
595 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 596 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
596 #elif defined(_WIN32) 597 #elif defined _WIN32
597 #include <WinNT.h> 598 #include <WinNT.h>
598 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 599 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
599 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 600 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
600 #include <mbarrier.h> 601 #include <mbarrier.h>
601 #define ECB_MEMORY_FENCE __machine_rw_barrier () 602 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
602 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 603 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
603 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 604 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
605 #elif __xlC__
606 #define ECB_MEMORY_FENCE __sync ()
604 #endif 607 #endif
605#endif 608#endif
606 609
607#ifndef ECB_MEMORY_FENCE 610#ifndef ECB_MEMORY_FENCE
608 #if !ECB_AVOID_PTHREADS 611 #if !ECB_AVOID_PTHREADS
620 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 623 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
621 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 624 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
622 #endif 625 #endif
623#endif 626#endif
624 627
625#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 628#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
626 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 629 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
627#endif 630#endif
628 631
629#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
630 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
631#endif 634#endif
632 635
633/*****************************************************************************/ 636/*****************************************************************************/
634 637
1099{ 1102{
1100 write (STDERR_FILENO, msg, strlen (msg)); 1103 write (STDERR_FILENO, msg, strlen (msg));
1101} 1104}
1102#endif 1105#endif
1103 1106
1104static void (*syserr_cb)(const char *msg); 1107static void (*syserr_cb)(const char *msg) EV_THROW;
1105 1108
1106void ecb_cold 1109void ecb_cold
1107ev_set_syserr_cb (void (*cb)(const char *msg)) 1110ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1108{ 1111{
1109 syserr_cb = cb; 1112 syserr_cb = cb;
1110} 1113}
1111 1114
1112static void noinline ecb_cold 1115static void noinline ecb_cold
1148 free (ptr); 1151 free (ptr);
1149 return 0; 1152 return 0;
1150#endif 1153#endif
1151} 1154}
1152 1155
1153static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1156static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1154 1157
1155void ecb_cold 1158void ecb_cold
1156ev_set_allocator (void *(*cb)(void *ptr, long size)) 1159ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1157{ 1160{
1158 alloc = cb; 1161 alloc = cb;
1159} 1162}
1160 1163
1161inline_speed void * 1164inline_speed void *
1278 1281
1279/*****************************************************************************/ 1282/*****************************************************************************/
1280 1283
1281#ifndef EV_HAVE_EV_TIME 1284#ifndef EV_HAVE_EV_TIME
1282ev_tstamp 1285ev_tstamp
1283ev_time (void) 1286ev_time (void) EV_THROW
1284{ 1287{
1285#if EV_USE_REALTIME 1288#if EV_USE_REALTIME
1286 if (expect_true (have_realtime)) 1289 if (expect_true (have_realtime))
1287 { 1290 {
1288 struct timespec ts; 1291 struct timespec ts;
1312 return ev_time (); 1315 return ev_time ();
1313} 1316}
1314 1317
1315#if EV_MULTIPLICITY 1318#if EV_MULTIPLICITY
1316ev_tstamp 1319ev_tstamp
1317ev_now (EV_P) 1320ev_now (EV_P) EV_THROW
1318{ 1321{
1319 return ev_rt_now; 1322 return ev_rt_now;
1320} 1323}
1321#endif 1324#endif
1322 1325
1323void 1326void
1324ev_sleep (ev_tstamp delay) 1327ev_sleep (ev_tstamp delay) EV_THROW
1325{ 1328{
1326 if (delay > 0.) 1329 if (delay > 0.)
1327 { 1330 {
1328#if EV_USE_NANOSLEEP 1331#if EV_USE_NANOSLEEP
1329 struct timespec ts; 1332 struct timespec ts;
1330 1333
1331 EV_TS_SET (ts, delay); 1334 EV_TS_SET (ts, delay);
1332 nanosleep (&ts, 0); 1335 nanosleep (&ts, 0);
1333#elif defined(_WIN32) 1336#elif defined _WIN32
1334 Sleep ((unsigned long)(delay * 1e3)); 1337 Sleep ((unsigned long)(delay * 1e3));
1335#else 1338#else
1336 struct timeval tv; 1339 struct timeval tv;
1337 1340
1338 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1341 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1410pendingcb (EV_P_ ev_prepare *w, int revents) 1413pendingcb (EV_P_ ev_prepare *w, int revents)
1411{ 1414{
1412} 1415}
1413 1416
1414void noinline 1417void noinline
1415ev_feed_event (EV_P_ void *w, int revents) 1418ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1416{ 1419{
1417 W w_ = (W)w; 1420 W w_ = (W)w;
1418 int pri = ABSPRI (w_); 1421 int pri = ABSPRI (w_);
1419 1422
1420 if (expect_false (w_->pending)) 1423 if (expect_false (w_->pending))
1424 w_->pending = ++pendingcnt [pri]; 1427 w_->pending = ++pendingcnt [pri];
1425 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1428 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1426 pendings [pri][w_->pending - 1].w = w_; 1429 pendings [pri][w_->pending - 1].w = w_;
1427 pendings [pri][w_->pending - 1].events = revents; 1430 pendings [pri][w_->pending - 1].events = revents;
1428 } 1431 }
1432
1433 pendingpri = NUMPRI - 1;
1429} 1434}
1430 1435
1431inline_speed void 1436inline_speed void
1432feed_reverse (EV_P_ W w) 1437feed_reverse (EV_P_ W w)
1433{ 1438{
1479 if (expect_true (!anfd->reify)) 1484 if (expect_true (!anfd->reify))
1480 fd_event_nocheck (EV_A_ fd, revents); 1485 fd_event_nocheck (EV_A_ fd, revents);
1481} 1486}
1482 1487
1483void 1488void
1484ev_feed_fd_event (EV_P_ int fd, int revents) 1489ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1485{ 1490{
1486 if (fd >= 0 && fd < anfdmax) 1491 if (fd >= 0 && fd < anfdmax)
1487 fd_event_nocheck (EV_A_ fd, revents); 1492 fd_event_nocheck (EV_A_ fd, revents);
1488} 1493}
1489 1494
1838} 1843}
1839 1844
1840inline_speed void 1845inline_speed void
1841evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1846evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1842{ 1847{
1848 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1849
1843 if (expect_true (*flag)) 1850 if (expect_true (*flag))
1844 return; 1851 return;
1845 1852
1846 *flag = 1; 1853 *flag = 1;
1847 1854
1866 write (evfd, &counter, sizeof (uint64_t)); 1873 write (evfd, &counter, sizeof (uint64_t));
1867 } 1874 }
1868 else 1875 else
1869#endif 1876#endif
1870 { 1877 {
1871 /* win32 people keep sending patches that change this write() to send() */ 1878#ifdef _WIN32
1872 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1879 WSABUF buf;
1873 /* so when you think this write should be a send instead, please find out */ 1880 DWORD sent;
1874 /* where your send() is from - it's definitely not the microsoft send, and */ 1881 buf.buf = &buf;
1875 /* tell me. thank you. */ 1882 buf.len = 1;
1876 /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */ 1883 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1877 /* check the ev documentation on how to use this flag */ 1884#else
1878 write (evpipe [1], &(evpipe [1]), 1); 1885 write (evpipe [1], &(evpipe [1]), 1);
1886#endif
1879 } 1887 }
1880 1888
1881 errno = old_errno; 1889 errno = old_errno;
1882 } 1890 }
1883} 1891}
1898 read (evfd, &counter, sizeof (uint64_t)); 1906 read (evfd, &counter, sizeof (uint64_t));
1899 } 1907 }
1900 else 1908 else
1901#endif 1909#endif
1902 { 1910 {
1903 char dummy; 1911 char dummy[4];
1904 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1912#ifdef _WIN32
1913 WSABUF buf;
1914 DWORD recvd;
1915 buf.buf = dummy;
1916 buf.len = sizeof (dummy);
1917 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0);
1918#else
1905 read (evpipe [0], &dummy, 1); 1919 read (evpipe [0], &dummy, sizeof (dummy));
1920#endif
1906 } 1921 }
1907 } 1922 }
1908 1923
1909 pipe_write_skipped = 0; 1924 pipe_write_skipped = 0;
1925
1926 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1910 1927
1911#if EV_SIGNAL_ENABLE 1928#if EV_SIGNAL_ENABLE
1912 if (sig_pending) 1929 if (sig_pending)
1913 { 1930 {
1914 sig_pending = 0; 1931 sig_pending = 0;
1932
1933 ECB_MEMORY_FENCE_RELEASE;
1915 1934
1916 for (i = EV_NSIG - 1; i--; ) 1935 for (i = EV_NSIG - 1; i--; )
1917 if (expect_false (signals [i].pending)) 1936 if (expect_false (signals [i].pending))
1918 ev_feed_signal_event (EV_A_ i + 1); 1937 ev_feed_signal_event (EV_A_ i + 1);
1919 } 1938 }
1921 1940
1922#if EV_ASYNC_ENABLE 1941#if EV_ASYNC_ENABLE
1923 if (async_pending) 1942 if (async_pending)
1924 { 1943 {
1925 async_pending = 0; 1944 async_pending = 0;
1945
1946 ECB_MEMORY_FENCE_RELEASE;
1926 1947
1927 for (i = asynccnt; i--; ) 1948 for (i = asynccnt; i--; )
1928 if (asyncs [i]->sent) 1949 if (asyncs [i]->sent)
1929 { 1950 {
1930 asyncs [i]->sent = 0; 1951 asyncs [i]->sent = 0;
1935} 1956}
1936 1957
1937/*****************************************************************************/ 1958/*****************************************************************************/
1938 1959
1939void 1960void
1940ev_feed_signal (int signum) 1961ev_feed_signal (int signum) EV_THROW
1941{ 1962{
1942#if EV_MULTIPLICITY 1963#if EV_MULTIPLICITY
1943 EV_P = signals [signum - 1].loop; 1964 EV_P = signals [signum - 1].loop;
1944 1965
1945 if (!EV_A) 1966 if (!EV_A)
1962 1983
1963 ev_feed_signal (signum); 1984 ev_feed_signal (signum);
1964} 1985}
1965 1986
1966void noinline 1987void noinline
1967ev_feed_signal_event (EV_P_ int signum) 1988ev_feed_signal_event (EV_P_ int signum) EV_THROW
1968{ 1989{
1969 WL w; 1990 WL w;
1970 1991
1971 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1992 if (expect_false (signum <= 0 || signum > EV_NSIG))
1972 return; 1993 return;
2088#if EV_USE_SELECT 2109#if EV_USE_SELECT
2089# include "ev_select.c" 2110# include "ev_select.c"
2090#endif 2111#endif
2091 2112
2092int ecb_cold 2113int ecb_cold
2093ev_version_major (void) 2114ev_version_major (void) EV_THROW
2094{ 2115{
2095 return EV_VERSION_MAJOR; 2116 return EV_VERSION_MAJOR;
2096} 2117}
2097 2118
2098int ecb_cold 2119int ecb_cold
2099ev_version_minor (void) 2120ev_version_minor (void) EV_THROW
2100{ 2121{
2101 return EV_VERSION_MINOR; 2122 return EV_VERSION_MINOR;
2102} 2123}
2103 2124
2104/* return true if we are running with elevated privileges and should ignore env variables */ 2125/* return true if we are running with elevated privileges and should ignore env variables */
2112 || getgid () != getegid (); 2133 || getgid () != getegid ();
2113#endif 2134#endif
2114} 2135}
2115 2136
2116unsigned int ecb_cold 2137unsigned int ecb_cold
2117ev_supported_backends (void) 2138ev_supported_backends (void) EV_THROW
2118{ 2139{
2119 unsigned int flags = 0; 2140 unsigned int flags = 0;
2120 2141
2121 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2142 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2122 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2143 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
2126 2147
2127 return flags; 2148 return flags;
2128} 2149}
2129 2150
2130unsigned int ecb_cold 2151unsigned int ecb_cold
2131ev_recommended_backends (void) 2152ev_recommended_backends (void) EV_THROW
2132{ 2153{
2133 unsigned int flags = ev_supported_backends (); 2154 unsigned int flags = ev_supported_backends ();
2134 2155
2135#ifndef __NetBSD__ 2156#ifndef __NetBSD__
2136 /* kqueue is borked on everything but netbsd apparently */ 2157 /* kqueue is borked on everything but netbsd apparently */
2148 2169
2149 return flags; 2170 return flags;
2150} 2171}
2151 2172
2152unsigned int ecb_cold 2173unsigned int ecb_cold
2153ev_embeddable_backends (void) 2174ev_embeddable_backends (void) EV_THROW
2154{ 2175{
2155 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2176 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2156 2177
2157 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2178 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2158 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2179 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2160 2181
2161 return flags; 2182 return flags;
2162} 2183}
2163 2184
2164unsigned int 2185unsigned int
2165ev_backend (EV_P) 2186ev_backend (EV_P) EV_THROW
2166{ 2187{
2167 return backend; 2188 return backend;
2168} 2189}
2169 2190
2170#if EV_FEATURE_API 2191#if EV_FEATURE_API
2171unsigned int 2192unsigned int
2172ev_iteration (EV_P) 2193ev_iteration (EV_P) EV_THROW
2173{ 2194{
2174 return loop_count; 2195 return loop_count;
2175} 2196}
2176 2197
2177unsigned int 2198unsigned int
2178ev_depth (EV_P) 2199ev_depth (EV_P) EV_THROW
2179{ 2200{
2180 return loop_depth; 2201 return loop_depth;
2181} 2202}
2182 2203
2183void 2204void
2184ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2205ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2185{ 2206{
2186 io_blocktime = interval; 2207 io_blocktime = interval;
2187} 2208}
2188 2209
2189void 2210void
2190ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2211ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2191{ 2212{
2192 timeout_blocktime = interval; 2213 timeout_blocktime = interval;
2193} 2214}
2194 2215
2195void 2216void
2196ev_set_userdata (EV_P_ void *data) 2217ev_set_userdata (EV_P_ void *data) EV_THROW
2197{ 2218{
2198 userdata = data; 2219 userdata = data;
2199} 2220}
2200 2221
2201void * 2222void *
2202ev_userdata (EV_P) 2223ev_userdata (EV_P) EV_THROW
2203{ 2224{
2204 return userdata; 2225 return userdata;
2205} 2226}
2206 2227
2207void 2228void
2208ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2229ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2209{ 2230{
2210 invoke_cb = invoke_pending_cb; 2231 invoke_cb = invoke_pending_cb;
2211} 2232}
2212 2233
2213void 2234void
2214ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2235ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2215{ 2236{
2216 release_cb = release; 2237 release_cb = release;
2217 acquire_cb = acquire; 2238 acquire_cb = acquire;
2218} 2239}
2219#endif 2240#endif
2220 2241
2221/* initialise a loop structure, must be zero-initialised */ 2242/* initialise a loop structure, must be zero-initialised */
2222static void noinline ecb_cold 2243static void noinline ecb_cold
2223loop_init (EV_P_ unsigned int flags) 2244loop_init (EV_P_ unsigned int flags) EV_THROW
2224{ 2245{
2225 if (!backend) 2246 if (!backend)
2226 { 2247 {
2227 origflags = flags; 2248 origflags = flags;
2228 2249
2481} 2502}
2482 2503
2483#if EV_MULTIPLICITY 2504#if EV_MULTIPLICITY
2484 2505
2485struct ev_loop * ecb_cold 2506struct ev_loop * ecb_cold
2486ev_loop_new (unsigned int flags) 2507ev_loop_new (unsigned int flags) EV_THROW
2487{ 2508{
2488 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2509 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2489 2510
2490 memset (EV_A, 0, sizeof (struct ev_loop)); 2511 memset (EV_A, 0, sizeof (struct ev_loop));
2491 loop_init (EV_A_ flags); 2512 loop_init (EV_A_ flags);
2535} 2556}
2536#endif 2557#endif
2537 2558
2538#if EV_FEATURE_API 2559#if EV_FEATURE_API
2539void ecb_cold 2560void ecb_cold
2540ev_verify (EV_P) 2561ev_verify (EV_P) EV_THROW
2541{ 2562{
2542#if EV_VERIFY 2563#if EV_VERIFY
2543 int i; 2564 int i;
2544 WL w; 2565 WL w, w2;
2545 2566
2546 assert (activecnt >= -1); 2567 assert (activecnt >= -1);
2547 2568
2548 assert (fdchangemax >= fdchangecnt); 2569 assert (fdchangemax >= fdchangecnt);
2549 for (i = 0; i < fdchangecnt; ++i) 2570 for (i = 0; i < fdchangecnt; ++i)
2550 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2571 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2551 2572
2552 assert (anfdmax >= 0); 2573 assert (anfdmax >= 0);
2553 for (i = 0; i < anfdmax; ++i) 2574 for (i = 0; i < anfdmax; ++i)
2575 {
2576 int j = 0;
2577
2554 for (w = anfds [i].head; w; w = w->next) 2578 for (w = w2 = anfds [i].head; w; w = w->next)
2555 { 2579 {
2556 verify_watcher (EV_A_ (W)w); 2580 verify_watcher (EV_A_ (W)w);
2581
2582 if (j++ & 1)
2583 {
2584 assert (("libev: io watcher list contains a loop", w != w2));
2585 w2 = w2->next;
2586 }
2587
2557 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2588 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2558 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2589 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2559 } 2590 }
2591 }
2560 2592
2561 assert (timermax >= timercnt); 2593 assert (timermax >= timercnt);
2562 verify_heap (EV_A_ timers, timercnt); 2594 verify_heap (EV_A_ timers, timercnt);
2563 2595
2564#if EV_PERIODIC_ENABLE 2596#if EV_PERIODIC_ENABLE
2614#if EV_MULTIPLICITY 2646#if EV_MULTIPLICITY
2615struct ev_loop * ecb_cold 2647struct ev_loop * ecb_cold
2616#else 2648#else
2617int 2649int
2618#endif 2650#endif
2619ev_default_loop (unsigned int flags) 2651ev_default_loop (unsigned int flags) EV_THROW
2620{ 2652{
2621 if (!ev_default_loop_ptr) 2653 if (!ev_default_loop_ptr)
2622 { 2654 {
2623#if EV_MULTIPLICITY 2655#if EV_MULTIPLICITY
2624 EV_P = ev_default_loop_ptr = &default_loop_struct; 2656 EV_P = ev_default_loop_ptr = &default_loop_struct;
2643 2675
2644 return ev_default_loop_ptr; 2676 return ev_default_loop_ptr;
2645} 2677}
2646 2678
2647void 2679void
2648ev_loop_fork (EV_P) 2680ev_loop_fork (EV_P) EV_THROW
2649{ 2681{
2650 postfork = 1; /* must be in line with ev_default_fork */ 2682 postfork = 1; /* must be in line with ev_default_fork */
2651} 2683}
2652 2684
2653/*****************************************************************************/ 2685/*****************************************************************************/
2657{ 2689{
2658 EV_CB_INVOKE ((W)w, revents); 2690 EV_CB_INVOKE ((W)w, revents);
2659} 2691}
2660 2692
2661unsigned int 2693unsigned int
2662ev_pending_count (EV_P) 2694ev_pending_count (EV_P) EV_THROW
2663{ 2695{
2664 int pri; 2696 int pri;
2665 unsigned int count = 0; 2697 unsigned int count = 0;
2666 2698
2667 for (pri = NUMPRI; pri--; ) 2699 for (pri = NUMPRI; pri--; )
2671} 2703}
2672 2704
2673void noinline 2705void noinline
2674ev_invoke_pending (EV_P) 2706ev_invoke_pending (EV_P)
2675{ 2707{
2676 int pri; 2708 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2677
2678 for (pri = NUMPRI; pri--; )
2679 while (pendingcnt [pri]) 2709 while (pendingcnt [pendingpri])
2680 { 2710 {
2681 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2711 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2682 2712
2683 p->w->pending = 0; 2713 p->w->pending = 0;
2684 EV_CB_INVOKE (p->w, p->events); 2714 EV_CB_INVOKE (p->w, p->events);
2685 EV_FREQUENT_CHECK; 2715 EV_FREQUENT_CHECK;
2686 } 2716 }
2926 2956
2927 mn_now = ev_rt_now; 2957 mn_now = ev_rt_now;
2928 } 2958 }
2929} 2959}
2930 2960
2931void 2961int
2932ev_run (EV_P_ int flags) 2962ev_run (EV_P_ int flags)
2933{ 2963{
2934#if EV_FEATURE_API 2964#if EV_FEATURE_API
2935 ++loop_depth; 2965 ++loop_depth;
2936#endif 2966#endif
3093 loop_done = EVBREAK_CANCEL; 3123 loop_done = EVBREAK_CANCEL;
3094 3124
3095#if EV_FEATURE_API 3125#if EV_FEATURE_API
3096 --loop_depth; 3126 --loop_depth;
3097#endif 3127#endif
3128
3129 return activecnt;
3098} 3130}
3099 3131
3100void 3132void
3101ev_break (EV_P_ int how) 3133ev_break (EV_P_ int how) EV_THROW
3102{ 3134{
3103 loop_done = how; 3135 loop_done = how;
3104} 3136}
3105 3137
3106void 3138void
3107ev_ref (EV_P) 3139ev_ref (EV_P) EV_THROW
3108{ 3140{
3109 ++activecnt; 3141 ++activecnt;
3110} 3142}
3111 3143
3112void 3144void
3113ev_unref (EV_P) 3145ev_unref (EV_P) EV_THROW
3114{ 3146{
3115 --activecnt; 3147 --activecnt;
3116} 3148}
3117 3149
3118void 3150void
3119ev_now_update (EV_P) 3151ev_now_update (EV_P) EV_THROW
3120{ 3152{
3121 time_update (EV_A_ 1e100); 3153 time_update (EV_A_ 1e100);
3122} 3154}
3123 3155
3124void 3156void
3125ev_suspend (EV_P) 3157ev_suspend (EV_P) EV_THROW
3126{ 3158{
3127 ev_now_update (EV_A); 3159 ev_now_update (EV_A);
3128} 3160}
3129 3161
3130void 3162void
3131ev_resume (EV_P) 3163ev_resume (EV_P) EV_THROW
3132{ 3164{
3133 ev_tstamp mn_prev = mn_now; 3165 ev_tstamp mn_prev = mn_now;
3134 3166
3135 ev_now_update (EV_A); 3167 ev_now_update (EV_A);
3136 timers_reschedule (EV_A_ mn_now - mn_prev); 3168 timers_reschedule (EV_A_ mn_now - mn_prev);
3175 w->pending = 0; 3207 w->pending = 0;
3176 } 3208 }
3177} 3209}
3178 3210
3179int 3211int
3180ev_clear_pending (EV_P_ void *w) 3212ev_clear_pending (EV_P_ void *w) EV_THROW
3181{ 3213{
3182 W w_ = (W)w; 3214 W w_ = (W)w;
3183 int pending = w_->pending; 3215 int pending = w_->pending;
3184 3216
3185 if (expect_true (pending)) 3217 if (expect_true (pending))
3218} 3250}
3219 3251
3220/*****************************************************************************/ 3252/*****************************************************************************/
3221 3253
3222void noinline 3254void noinline
3223ev_io_start (EV_P_ ev_io *w) 3255ev_io_start (EV_P_ ev_io *w) EV_THROW
3224{ 3256{
3225 int fd = w->fd; 3257 int fd = w->fd;
3226 3258
3227 if (expect_false (ev_is_active (w))) 3259 if (expect_false (ev_is_active (w)))
3228 return; 3260 return;
3234 3266
3235 ev_start (EV_A_ (W)w, 1); 3267 ev_start (EV_A_ (W)w, 1);
3236 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3268 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3237 wlist_add (&anfds[fd].head, (WL)w); 3269 wlist_add (&anfds[fd].head, (WL)w);
3238 3270
3271 /* common bug, apparently */
3272 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3273
3239 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);
3240 w->events &= ~EV__IOFDSET; 3275 w->events &= ~EV__IOFDSET;
3241 3276
3242 EV_FREQUENT_CHECK; 3277 EV_FREQUENT_CHECK;
3243} 3278}
3244 3279
3245void noinline 3280void noinline
3246ev_io_stop (EV_P_ ev_io *w) 3281ev_io_stop (EV_P_ ev_io *w) EV_THROW
3247{ 3282{
3248 clear_pending (EV_A_ (W)w); 3283 clear_pending (EV_A_ (W)w);
3249 if (expect_false (!ev_is_active (w))) 3284 if (expect_false (!ev_is_active (w)))
3250 return; 3285 return;
3251 3286
3260 3295
3261 EV_FREQUENT_CHECK; 3296 EV_FREQUENT_CHECK;
3262} 3297}
3263 3298
3264void noinline 3299void noinline
3265ev_timer_start (EV_P_ ev_timer *w) 3300ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3266{ 3301{
3267 if (expect_false (ev_is_active (w))) 3302 if (expect_false (ev_is_active (w)))
3268 return; 3303 return;
3269 3304
3270 ev_at (w) += mn_now; 3305 ev_at (w) += mn_now;
3284 3319
3285 /*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));*/
3286} 3321}
3287 3322
3288void noinline 3323void noinline
3289ev_timer_stop (EV_P_ ev_timer *w) 3324ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3290{ 3325{
3291 clear_pending (EV_A_ (W)w); 3326 clear_pending (EV_A_ (W)w);
3292 if (expect_false (!ev_is_active (w))) 3327 if (expect_false (!ev_is_active (w)))
3293 return; 3328 return;
3294 3329
3314 3349
3315 EV_FREQUENT_CHECK; 3350 EV_FREQUENT_CHECK;
3316} 3351}
3317 3352
3318void noinline 3353void noinline
3319ev_timer_again (EV_P_ ev_timer *w) 3354ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3320{ 3355{
3321 EV_FREQUENT_CHECK; 3356 EV_FREQUENT_CHECK;
3322 3357
3323 clear_pending (EV_A_ (W)w); 3358 clear_pending (EV_A_ (W)w);
3324 3359
3341 3376
3342 EV_FREQUENT_CHECK; 3377 EV_FREQUENT_CHECK;
3343} 3378}
3344 3379
3345ev_tstamp 3380ev_tstamp
3346ev_timer_remaining (EV_P_ ev_timer *w) 3381ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3347{ 3382{
3348 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3383 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3349} 3384}
3350 3385
3351#if EV_PERIODIC_ENABLE 3386#if EV_PERIODIC_ENABLE
3352void noinline 3387void noinline
3353ev_periodic_start (EV_P_ ev_periodic *w) 3388ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3354{ 3389{
3355 if (expect_false (ev_is_active (w))) 3390 if (expect_false (ev_is_active (w)))
3356 return; 3391 return;
3357 3392
3358 if (w->reschedule_cb) 3393 if (w->reschedule_cb)
3378 3413
3379 /*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));*/
3380} 3415}
3381 3416
3382void noinline 3417void noinline
3383ev_periodic_stop (EV_P_ ev_periodic *w) 3418ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3384{ 3419{
3385 clear_pending (EV_A_ (W)w); 3420 clear_pending (EV_A_ (W)w);
3386 if (expect_false (!ev_is_active (w))) 3421 if (expect_false (!ev_is_active (w)))
3387 return; 3422 return;
3388 3423
3406 3441
3407 EV_FREQUENT_CHECK; 3442 EV_FREQUENT_CHECK;
3408} 3443}
3409 3444
3410void noinline 3445void noinline
3411ev_periodic_again (EV_P_ ev_periodic *w) 3446ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3412{ 3447{
3413 /* TODO: use adjustheap and recalculation */ 3448 /* TODO: use adjustheap and recalculation */
3414 ev_periodic_stop (EV_A_ w); 3449 ev_periodic_stop (EV_A_ w);
3415 ev_periodic_start (EV_A_ w); 3450 ev_periodic_start (EV_A_ w);
3416} 3451}
3421#endif 3456#endif
3422 3457
3423#if EV_SIGNAL_ENABLE 3458#if EV_SIGNAL_ENABLE
3424 3459
3425void noinline 3460void noinline
3426ev_signal_start (EV_P_ ev_signal *w) 3461ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3427{ 3462{
3428 if (expect_false (ev_is_active (w))) 3463 if (expect_false (ev_is_active (w)))
3429 return; 3464 return;
3430 3465
3431 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));
3502 3537
3503 EV_FREQUENT_CHECK; 3538 EV_FREQUENT_CHECK;
3504} 3539}
3505 3540
3506void noinline 3541void noinline
3507ev_signal_stop (EV_P_ ev_signal *w) 3542ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3508{ 3543{
3509 clear_pending (EV_A_ (W)w); 3544 clear_pending (EV_A_ (W)w);
3510 if (expect_false (!ev_is_active (w))) 3545 if (expect_false (!ev_is_active (w)))
3511 return; 3546 return;
3512 3547
3543#endif 3578#endif
3544 3579
3545#if EV_CHILD_ENABLE 3580#if EV_CHILD_ENABLE
3546 3581
3547void 3582void
3548ev_child_start (EV_P_ ev_child *w) 3583ev_child_start (EV_P_ ev_child *w) EV_THROW
3549{ 3584{
3550#if EV_MULTIPLICITY 3585#if EV_MULTIPLICITY
3551 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));
3552#endif 3587#endif
3553 if (expect_false (ev_is_active (w))) 3588 if (expect_false (ev_is_active (w)))
3560 3595
3561 EV_FREQUENT_CHECK; 3596 EV_FREQUENT_CHECK;
3562} 3597}
3563 3598
3564void 3599void
3565ev_child_stop (EV_P_ ev_child *w) 3600ev_child_stop (EV_P_ ev_child *w) EV_THROW
3566{ 3601{
3567 clear_pending (EV_A_ (W)w); 3602 clear_pending (EV_A_ (W)w);
3568 if (expect_false (!ev_is_active (w))) 3603 if (expect_false (!ev_is_active (w)))
3569 return; 3604 return;
3570 3605
3737} 3772}
3738 3773
3739inline_size int 3774inline_size int
3740infy_newfd (void) 3775infy_newfd (void)
3741{ 3776{
3742#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3777#if defined IN_CLOEXEC && defined IN_NONBLOCK
3743 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3778 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3744 if (fd >= 0) 3779 if (fd >= 0)
3745 return fd; 3780 return fd;
3746#endif 3781#endif
3747 return inotify_init (); 3782 return inotify_init ();
3822#else 3857#else
3823# define EV_LSTAT(p,b) lstat (p, b) 3858# define EV_LSTAT(p,b) lstat (p, b)
3824#endif 3859#endif
3825 3860
3826void 3861void
3827ev_stat_stat (EV_P_ ev_stat *w) 3862ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3828{ 3863{
3829 if (lstat (w->path, &w->attr) < 0) 3864 if (lstat (w->path, &w->attr) < 0)
3830 w->attr.st_nlink = 0; 3865 w->attr.st_nlink = 0;
3831 else if (!w->attr.st_nlink) 3866 else if (!w->attr.st_nlink)
3832 w->attr.st_nlink = 1; 3867 w->attr.st_nlink = 1;
3871 ev_feed_event (EV_A_ w, EV_STAT); 3906 ev_feed_event (EV_A_ w, EV_STAT);
3872 } 3907 }
3873} 3908}
3874 3909
3875void 3910void
3876ev_stat_start (EV_P_ ev_stat *w) 3911ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3877{ 3912{
3878 if (expect_false (ev_is_active (w))) 3913 if (expect_false (ev_is_active (w)))
3879 return; 3914 return;
3880 3915
3881 ev_stat_stat (EV_A_ w); 3916 ev_stat_stat (EV_A_ w);
3902 3937
3903 EV_FREQUENT_CHECK; 3938 EV_FREQUENT_CHECK;
3904} 3939}
3905 3940
3906void 3941void
3907ev_stat_stop (EV_P_ ev_stat *w) 3942ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3908{ 3943{
3909 clear_pending (EV_A_ (W)w); 3944 clear_pending (EV_A_ (W)w);
3910 if (expect_false (!ev_is_active (w))) 3945 if (expect_false (!ev_is_active (w)))
3911 return; 3946 return;
3912 3947
3928} 3963}
3929#endif 3964#endif
3930 3965
3931#if EV_IDLE_ENABLE 3966#if EV_IDLE_ENABLE
3932void 3967void
3933ev_idle_start (EV_P_ ev_idle *w) 3968ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3934{ 3969{
3935 if (expect_false (ev_is_active (w))) 3970 if (expect_false (ev_is_active (w)))
3936 return; 3971 return;
3937 3972
3938 pri_adjust (EV_A_ (W)w); 3973 pri_adjust (EV_A_ (W)w);
3951 3986
3952 EV_FREQUENT_CHECK; 3987 EV_FREQUENT_CHECK;
3953} 3988}
3954 3989
3955void 3990void
3956ev_idle_stop (EV_P_ ev_idle *w) 3991ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3957{ 3992{
3958 clear_pending (EV_A_ (W)w); 3993 clear_pending (EV_A_ (W)w);
3959 if (expect_false (!ev_is_active (w))) 3994 if (expect_false (!ev_is_active (w)))
3960 return; 3995 return;
3961 3996
3975} 4010}
3976#endif 4011#endif
3977 4012
3978#if EV_PREPARE_ENABLE 4013#if EV_PREPARE_ENABLE
3979void 4014void
3980ev_prepare_start (EV_P_ ev_prepare *w) 4015ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3981{ 4016{
3982 if (expect_false (ev_is_active (w))) 4017 if (expect_false (ev_is_active (w)))
3983 return; 4018 return;
3984 4019
3985 EV_FREQUENT_CHECK; 4020 EV_FREQUENT_CHECK;
3990 4025
3991 EV_FREQUENT_CHECK; 4026 EV_FREQUENT_CHECK;
3992} 4027}
3993 4028
3994void 4029void
3995ev_prepare_stop (EV_P_ ev_prepare *w) 4030ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3996{ 4031{
3997 clear_pending (EV_A_ (W)w); 4032 clear_pending (EV_A_ (W)w);
3998 if (expect_false (!ev_is_active (w))) 4033 if (expect_false (!ev_is_active (w)))
3999 return; 4034 return;
4000 4035
4013} 4048}
4014#endif 4049#endif
4015 4050
4016#if EV_CHECK_ENABLE 4051#if EV_CHECK_ENABLE
4017void 4052void
4018ev_check_start (EV_P_ ev_check *w) 4053ev_check_start (EV_P_ ev_check *w) EV_THROW
4019{ 4054{
4020 if (expect_false (ev_is_active (w))) 4055 if (expect_false (ev_is_active (w)))
4021 return; 4056 return;
4022 4057
4023 EV_FREQUENT_CHECK; 4058 EV_FREQUENT_CHECK;
4028 4063
4029 EV_FREQUENT_CHECK; 4064 EV_FREQUENT_CHECK;
4030} 4065}
4031 4066
4032void 4067void
4033ev_check_stop (EV_P_ ev_check *w) 4068ev_check_stop (EV_P_ ev_check *w) EV_THROW
4034{ 4069{
4035 clear_pending (EV_A_ (W)w); 4070 clear_pending (EV_A_ (W)w);
4036 if (expect_false (!ev_is_active (w))) 4071 if (expect_false (!ev_is_active (w)))
4037 return; 4072 return;
4038 4073
4051} 4086}
4052#endif 4087#endif
4053 4088
4054#if EV_EMBED_ENABLE 4089#if EV_EMBED_ENABLE
4055void noinline 4090void noinline
4056ev_embed_sweep (EV_P_ ev_embed *w) 4091ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4057{ 4092{
4058 ev_run (w->other, EVRUN_NOWAIT); 4093 ev_run (w->other, EVRUN_NOWAIT);
4059} 4094}
4060 4095
4061static void 4096static void
4109 ev_idle_stop (EV_A_ idle); 4144 ev_idle_stop (EV_A_ idle);
4110} 4145}
4111#endif 4146#endif
4112 4147
4113void 4148void
4114ev_embed_start (EV_P_ ev_embed *w) 4149ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4115{ 4150{
4116 if (expect_false (ev_is_active (w))) 4151 if (expect_false (ev_is_active (w)))
4117 return; 4152 return;
4118 4153
4119 { 4154 {
4140 4175
4141 EV_FREQUENT_CHECK; 4176 EV_FREQUENT_CHECK;
4142} 4177}
4143 4178
4144void 4179void
4145ev_embed_stop (EV_P_ ev_embed *w) 4180ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4146{ 4181{
4147 clear_pending (EV_A_ (W)w); 4182 clear_pending (EV_A_ (W)w);
4148 if (expect_false (!ev_is_active (w))) 4183 if (expect_false (!ev_is_active (w)))
4149 return; 4184 return;
4150 4185
4160} 4195}
4161#endif 4196#endif
4162 4197
4163#if EV_FORK_ENABLE 4198#if EV_FORK_ENABLE
4164void 4199void
4165ev_fork_start (EV_P_ ev_fork *w) 4200ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4166{ 4201{
4167 if (expect_false (ev_is_active (w))) 4202 if (expect_false (ev_is_active (w)))
4168 return; 4203 return;
4169 4204
4170 EV_FREQUENT_CHECK; 4205 EV_FREQUENT_CHECK;
4175 4210
4176 EV_FREQUENT_CHECK; 4211 EV_FREQUENT_CHECK;
4177} 4212}
4178 4213
4179void 4214void
4180ev_fork_stop (EV_P_ ev_fork *w) 4215ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4181{ 4216{
4182 clear_pending (EV_A_ (W)w); 4217 clear_pending (EV_A_ (W)w);
4183 if (expect_false (!ev_is_active (w))) 4218 if (expect_false (!ev_is_active (w)))
4184 return; 4219 return;
4185 4220
4198} 4233}
4199#endif 4234#endif
4200 4235
4201#if EV_CLEANUP_ENABLE 4236#if EV_CLEANUP_ENABLE
4202void 4237void
4203ev_cleanup_start (EV_P_ ev_cleanup *w) 4238ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4204{ 4239{
4205 if (expect_false (ev_is_active (w))) 4240 if (expect_false (ev_is_active (w)))
4206 return; 4241 return;
4207 4242
4208 EV_FREQUENT_CHECK; 4243 EV_FREQUENT_CHECK;
4215 ev_unref (EV_A); 4250 ev_unref (EV_A);
4216 EV_FREQUENT_CHECK; 4251 EV_FREQUENT_CHECK;
4217} 4252}
4218 4253
4219void 4254void
4220ev_cleanup_stop (EV_P_ ev_cleanup *w) 4255ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4221{ 4256{
4222 clear_pending (EV_A_ (W)w); 4257 clear_pending (EV_A_ (W)w);
4223 if (expect_false (!ev_is_active (w))) 4258 if (expect_false (!ev_is_active (w)))
4224 return; 4259 return;
4225 4260
4239} 4274}
4240#endif 4275#endif
4241 4276
4242#if EV_ASYNC_ENABLE 4277#if EV_ASYNC_ENABLE
4243void 4278void
4244ev_async_start (EV_P_ ev_async *w) 4279ev_async_start (EV_P_ ev_async *w) EV_THROW
4245{ 4280{
4246 if (expect_false (ev_is_active (w))) 4281 if (expect_false (ev_is_active (w)))
4247 return; 4282 return;
4248 4283
4249 w->sent = 0; 4284 w->sent = 0;
4258 4293
4259 EV_FREQUENT_CHECK; 4294 EV_FREQUENT_CHECK;
4260} 4295}
4261 4296
4262void 4297void
4263ev_async_stop (EV_P_ ev_async *w) 4298ev_async_stop (EV_P_ ev_async *w) EV_THROW
4264{ 4299{
4265 clear_pending (EV_A_ (W)w); 4300 clear_pending (EV_A_ (W)w);
4266 if (expect_false (!ev_is_active (w))) 4301 if (expect_false (!ev_is_active (w)))
4267 return; 4302 return;
4268 4303
4279 4314
4280 EV_FREQUENT_CHECK; 4315 EV_FREQUENT_CHECK;
4281} 4316}
4282 4317
4283void 4318void
4284ev_async_send (EV_P_ ev_async *w) 4319ev_async_send (EV_P_ ev_async *w) EV_THROW
4285{ 4320{
4286 w->sent = 1; 4321 w->sent = 1;
4287 evpipe_write (EV_A_ &async_pending); 4322 evpipe_write (EV_A_ &async_pending);
4288} 4323}
4289#endif 4324#endif
4326 4361
4327 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));
4328} 4363}
4329 4364
4330void 4365void
4331ev_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
4332{ 4367{
4333 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));
4334 4369
4335 if (expect_false (!once)) 4370 if (expect_false (!once))
4336 { 4371 {
4358 4393
4359/*****************************************************************************/ 4394/*****************************************************************************/
4360 4395
4361#if EV_WALK_ENABLE 4396#if EV_WALK_ENABLE
4362void ecb_cold 4397void ecb_cold
4363ev_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
4364{ 4399{
4365 int i, j; 4400 int i, j;
4366 ev_watcher_list *wl, *wn; 4401 ev_watcher_list *wl, *wn;
4367 4402
4368 if (types & (EV_IO | EV_EMBED)) 4403 if (types & (EV_IO | EV_EMBED))

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