ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.405 by root, Wed Jan 18 12:51:41 2012 UTC vs.
Revision 1.425 by root, Sun May 6 13:09:35 2012 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
59# endif 59# endif
60# ifndef EV_USE_MONOTONIC 60# ifndef EV_USE_MONOTONIC
61# define EV_USE_MONOTONIC 1 61# define EV_USE_MONOTONIC 1
62# endif 62# endif
63# endif 63# endif
64# elif !defined(EV_USE_CLOCK_SYSCALL) 64# elif !defined EV_USE_CLOCK_SYSCALL
65# define EV_USE_CLOCK_SYSCALL 0 65# define EV_USE_CLOCK_SYSCALL 0
66# endif 66# endif
67 67
68# if HAVE_CLOCK_GETTIME 68# if HAVE_CLOCK_GETTIME
69# ifndef EV_USE_MONOTONIC 69# ifndef EV_USE_MONOTONIC
183# include EV_H 183# include EV_H
184#else 184#else
185# include "ev.h" 185# include "ev.h"
186#endif 186#endif
187 187
188#if EV_NO_THREADS
189# undef EV_NO_SMP
190# define EV_NO_SMP 1
191# undef ECB_NO_THREADS
192# define ECB_NO_THREADS 1
193#endif
194#if EV_NO_SMP
195# undef EV_NO_SMP
196# define ECB_NO_SMP 1
197#endif
198
188#ifndef _WIN32 199#ifndef _WIN32
189# include <sys/time.h> 200# include <sys/time.h>
190# include <sys/wait.h> 201# include <sys/wait.h>
191# include <unistd.h> 202# include <unistd.h>
192#else 203#else
208#define _DARWIN_UNLIMITED_SELECT 1 219#define _DARWIN_UNLIMITED_SELECT 1
209 220
210/* this block tries to deduce configuration from header-defined symbols and defaults */ 221/* this block tries to deduce configuration from header-defined symbols and defaults */
211 222
212/* try to deduce the maximum number of signals on this platform */ 223/* try to deduce the maximum number of signals on this platform */
213#if defined (EV_NSIG) 224#if defined EV_NSIG
214/* use what's provided */ 225/* use what's provided */
215#elif defined (NSIG) 226#elif defined NSIG
216# define EV_NSIG (NSIG) 227# define EV_NSIG (NSIG)
217#elif defined(_NSIG) 228#elif defined _NSIG
218# define EV_NSIG (_NSIG) 229# define EV_NSIG (_NSIG)
219#elif defined (SIGMAX) 230#elif defined SIGMAX
220# define EV_NSIG (SIGMAX+1) 231# define EV_NSIG (SIGMAX+1)
221#elif defined (SIG_MAX) 232#elif defined SIG_MAX
222# define EV_NSIG (SIG_MAX+1) 233# define EV_NSIG (SIG_MAX+1)
223#elif defined (_SIG_MAX) 234#elif defined _SIG_MAX
224# define EV_NSIG (_SIG_MAX+1) 235# define EV_NSIG (_SIG_MAX+1)
225#elif defined (MAXSIG) 236#elif defined MAXSIG
226# define EV_NSIG (MAXSIG+1) 237# define EV_NSIG (MAXSIG+1)
227#elif defined (MAX_SIG) 238#elif defined MAX_SIG
228# define EV_NSIG (MAX_SIG+1) 239# define EV_NSIG (MAX_SIG+1)
229#elif defined (SIGARRAYSIZE) 240#elif defined SIGARRAYSIZE
230# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 241# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
231#elif defined (_sys_nsig) 242#elif defined _sys_nsig
232# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 243# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
233#else 244#else
234# error "unable to find value for NSIG, please report" 245# error "unable to find value for NSIG, please report"
235/* to make it compile regardless, just remove the above line, */ 246/* to make it compile regardless, just remove the above line, */
236/* but consider reporting it, too! :) */ 247/* but consider reporting it, too! :) */
248# define EV_USE_CLOCK_SYSCALL 0 259# define EV_USE_CLOCK_SYSCALL 0
249# endif 260# endif
250#endif 261#endif
251 262
252#ifndef EV_USE_MONOTONIC 263#ifndef EV_USE_MONOTONIC
253# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 264# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
254# define EV_USE_MONOTONIC EV_FEATURE_OS 265# define EV_USE_MONOTONIC EV_FEATURE_OS
255# else 266# else
256# define EV_USE_MONOTONIC 0 267# define EV_USE_MONOTONIC 0
257# endif 268# endif
258#endif 269#endif
348#endif 359#endif
349 360
350/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 361/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
351/* which makes programs even slower. might work on other unices, too. */ 362/* which makes programs even slower. might work on other unices, too. */
352#if EV_USE_CLOCK_SYSCALL 363#if EV_USE_CLOCK_SYSCALL
353# include <syscall.h> 364# include <sys/syscall.h>
354# ifdef SYS_clock_gettime 365# ifdef SYS_clock_gettime
355# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 366# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356# undef EV_USE_MONOTONIC 367# undef EV_USE_MONOTONIC
357# define EV_USE_MONOTONIC 1 368# define EV_USE_MONOTONIC 1
358# else 369# else
384# define EV_USE_INOTIFY 0 395# define EV_USE_INOTIFY 0
385#endif 396#endif
386 397
387#if !EV_USE_NANOSLEEP 398#if !EV_USE_NANOSLEEP
388/* hp-ux has it in sys/time.h, which we unconditionally include above */ 399/* hp-ux has it in sys/time.h, which we unconditionally include above */
389# if !defined(_WIN32) && !defined(__hpux) 400# if !defined _WIN32 && !defined __hpux
390# include <sys/select.h> 401# include <sys/select.h>
391# endif 402# endif
392#endif 403#endif
393 404
394#if EV_USE_INOTIFY 405#if EV_USE_INOTIFY
522 * or so. 533 * or so.
523 * we try to detect these and simply assume they are not gcc - if they have 534 * we try to detect these and simply assume they are not gcc - if they have
524 * an issue with that they should have done it right in the first place. 535 * an issue with that they should have done it right in the first place.
525 */ 536 */
526#ifndef ECB_GCC_VERSION 537#ifndef ECB_GCC_VERSION
527 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 538 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
528 #define ECB_GCC_VERSION(major,minor) 0 539 #define ECB_GCC_VERSION(major,minor) 0
529 #else 540 #else
530 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 541 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
531 #endif 542 #endif
532#endif 543#endif
534/*****************************************************************************/ 545/*****************************************************************************/
535 546
536/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ 547/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
537/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ 548/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538 549
550#if ECB_NO_THREADS
551# define ECB_NO_SMP 1
552#endif
553
539#if ECB_NO_THREADS || ECB_NO_SMP 554#if ECB_NO_THREADS || ECB_NO_SMP
540 #define ECB_MEMORY_FENCE do { } while (0) 555 #define ECB_MEMORY_FENCE do { } while (0)
541#endif 556#endif
542 557
543#ifndef ECB_MEMORY_FENCE 558#ifndef ECB_MEMORY_FENCE
544 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 559 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545 #if __i386 || __i386__ 560 #if __i386 || __i386__
546 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 561 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
547 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ 562 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
548 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ 563 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
549 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
550 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
552 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ 567 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
553 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 570 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 571 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
557 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 572 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
558 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ 573 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 574 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 575 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
561 #elif __sparc || __sparc__ 576 #elif __sparc || __sparc__
562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") 577 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
563 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 578 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
564 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 579 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580 #elif defined __s390__ || defined __s390x__
581 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582 #elif defined __mips__
583 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
584 #elif defined __alpha__
585 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
565 #endif 586 #endif
566 #endif 587 #endif
567#endif 588#endif
568 589
569#ifndef ECB_MEMORY_FENCE 590#ifndef ECB_MEMORY_FENCE
570 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 591 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
571 #define ECB_MEMORY_FENCE __sync_synchronize () 592 #define ECB_MEMORY_FENCE __sync_synchronize ()
572 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ 593 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
573 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ 594 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
574 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 595 #elif _MSC_VER >= 1400 /* VC++ 2005 */
575 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 596 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
576 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 597 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
577 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 598 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
578 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 599 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
579 #elif defined(_WIN32) 600 #elif defined _WIN32
580 #include <WinNT.h> 601 #include <WinNT.h>
581 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 602 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
582 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 603 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
583 #include <mbarrier.h> 604 #include <mbarrier.h>
584 #define ECB_MEMORY_FENCE __machine_rw_barrier () 605 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
585 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 606 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
586 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 607 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
608 #elif __xlC__
609 #define ECB_MEMORY_FENCE __sync ()
587 #endif 610 #endif
588#endif 611#endif
589 612
590#ifndef ECB_MEMORY_FENCE 613#ifndef ECB_MEMORY_FENCE
591 #if !ECB_AVOID_PTHREADS 614 #if !ECB_AVOID_PTHREADS
603 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 626 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
604 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 627 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
605 #endif 628 #endif
606#endif 629#endif
607 630
608#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 631#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
609 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 632 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
610#endif 633#endif
611 634
612#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 635#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
613 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 636 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
614#endif 637#endif
615 638
616/*****************************************************************************/ 639/*****************************************************************************/
617 640
854 877
855#if ECB_GCC_VERSION(4,5) 878#if ECB_GCC_VERSION(4,5)
856 #define ecb_unreachable() __builtin_unreachable () 879 #define ecb_unreachable() __builtin_unreachable ()
857#else 880#else
858 /* this seems to work fine, but gcc always emits a warning for it :/ */ 881 /* this seems to work fine, but gcc always emits a warning for it :/ */
859 ecb_function_ void ecb_unreachable (void) ecb_noreturn; 882 ecb_inline void ecb_unreachable (void) ecb_noreturn;
860 ecb_function_ void ecb_unreachable (void) { } 883 ecb_inline void ecb_unreachable (void) { }
861#endif 884#endif
862 885
863/* try to tell the compiler that some condition is definitely true */ 886/* try to tell the compiler that some condition is definitely true */
864#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) 887#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
865 888
866ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; 889ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
867ecb_function_ unsigned char 890ecb_inline unsigned char
868ecb_byteorder_helper (void) 891ecb_byteorder_helper (void)
869{ 892{
870 const uint32_t u = 0x11223344; 893 const uint32_t u = 0x11223344;
871 return *(unsigned char *)&u; 894 return *(unsigned char *)&u;
872} 895}
873 896
874ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; 897ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
875ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } 898ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
876ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; 899ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
877ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } 900ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
878 901
879#if ECB_GCC_VERSION(3,0) || ECB_C99 902#if ECB_GCC_VERSION(3,0) || ECB_C99
880 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 903 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
881#else 904#else
882 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 905 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1082{ 1105{
1083 write (STDERR_FILENO, msg, strlen (msg)); 1106 write (STDERR_FILENO, msg, strlen (msg));
1084} 1107}
1085#endif 1108#endif
1086 1109
1087static void (*syserr_cb)(const char *msg); 1110static void (*syserr_cb)(const char *msg) EV_THROW;
1088 1111
1089void ecb_cold 1112void ecb_cold
1090ev_set_syserr_cb (void (*cb)(const char *msg)) 1113ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1091{ 1114{
1092 syserr_cb = cb; 1115 syserr_cb = cb;
1093} 1116}
1094 1117
1095static void noinline ecb_cold 1118static void noinline ecb_cold
1131 free (ptr); 1154 free (ptr);
1132 return 0; 1155 return 0;
1133#endif 1156#endif
1134} 1157}
1135 1158
1136static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1159static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1137 1160
1138void ecb_cold 1161void ecb_cold
1139ev_set_allocator (void *(*cb)(void *ptr, long size)) 1162ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1140{ 1163{
1141 alloc = cb; 1164 alloc = cb;
1142} 1165}
1143 1166
1144inline_speed void * 1167inline_speed void *
1261 1284
1262/*****************************************************************************/ 1285/*****************************************************************************/
1263 1286
1264#ifndef EV_HAVE_EV_TIME 1287#ifndef EV_HAVE_EV_TIME
1265ev_tstamp 1288ev_tstamp
1266ev_time (void) 1289ev_time (void) EV_THROW
1267{ 1290{
1268#if EV_USE_REALTIME 1291#if EV_USE_REALTIME
1269 if (expect_true (have_realtime)) 1292 if (expect_true (have_realtime))
1270 { 1293 {
1271 struct timespec ts; 1294 struct timespec ts;
1295 return ev_time (); 1318 return ev_time ();
1296} 1319}
1297 1320
1298#if EV_MULTIPLICITY 1321#if EV_MULTIPLICITY
1299ev_tstamp 1322ev_tstamp
1300ev_now (EV_P) 1323ev_now (EV_P) EV_THROW
1301{ 1324{
1302 return ev_rt_now; 1325 return ev_rt_now;
1303} 1326}
1304#endif 1327#endif
1305 1328
1306void 1329void
1307ev_sleep (ev_tstamp delay) 1330ev_sleep (ev_tstamp delay) EV_THROW
1308{ 1331{
1309 if (delay > 0.) 1332 if (delay > 0.)
1310 { 1333 {
1311#if EV_USE_NANOSLEEP 1334#if EV_USE_NANOSLEEP
1312 struct timespec ts; 1335 struct timespec ts;
1313 1336
1314 EV_TS_SET (ts, delay); 1337 EV_TS_SET (ts, delay);
1315 nanosleep (&ts, 0); 1338 nanosleep (&ts, 0);
1316#elif defined(_WIN32) 1339#elif defined _WIN32
1317 Sleep ((unsigned long)(delay * 1e3)); 1340 Sleep ((unsigned long)(delay * 1e3));
1318#else 1341#else
1319 struct timeval tv; 1342 struct timeval tv;
1320 1343
1321 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1344 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1393pendingcb (EV_P_ ev_prepare *w, int revents) 1416pendingcb (EV_P_ ev_prepare *w, int revents)
1394{ 1417{
1395} 1418}
1396 1419
1397void noinline 1420void noinline
1398ev_feed_event (EV_P_ void *w, int revents) 1421ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1399{ 1422{
1400 W w_ = (W)w; 1423 W w_ = (W)w;
1401 int pri = ABSPRI (w_); 1424 int pri = ABSPRI (w_);
1402 1425
1403 if (expect_false (w_->pending)) 1426 if (expect_false (w_->pending))
1407 w_->pending = ++pendingcnt [pri]; 1430 w_->pending = ++pendingcnt [pri];
1408 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1431 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1409 pendings [pri][w_->pending - 1].w = w_; 1432 pendings [pri][w_->pending - 1].w = w_;
1410 pendings [pri][w_->pending - 1].events = revents; 1433 pendings [pri][w_->pending - 1].events = revents;
1411 } 1434 }
1435
1436 pendingpri = NUMPRI - 1;
1412} 1437}
1413 1438
1414inline_speed void 1439inline_speed void
1415feed_reverse (EV_P_ W w) 1440feed_reverse (EV_P_ W w)
1416{ 1441{
1462 if (expect_true (!anfd->reify)) 1487 if (expect_true (!anfd->reify))
1463 fd_event_nocheck (EV_A_ fd, revents); 1488 fd_event_nocheck (EV_A_ fd, revents);
1464} 1489}
1465 1490
1466void 1491void
1467ev_feed_fd_event (EV_P_ int fd, int revents) 1492ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1468{ 1493{
1469 if (fd >= 0 && fd < anfdmax) 1494 if (fd >= 0 && fd < anfdmax)
1470 fd_event_nocheck (EV_A_ fd, revents); 1495 fd_event_nocheck (EV_A_ fd, revents);
1471} 1496}
1472 1497
1821} 1846}
1822 1847
1823inline_speed void 1848inline_speed void
1824evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1849evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1825{ 1850{
1851 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1852
1826 if (expect_true (*flag)) 1853 if (expect_true (*flag))
1827 return; 1854 return;
1828 1855
1829 *flag = 1; 1856 *flag = 1;
1830 1857
1854 /* win32 people keep sending patches that change this write() to send() */ 1881 /* win32 people keep sending patches that change this write() to send() */
1855 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1882 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1856 /* so when you think this write should be a send instead, please find out */ 1883 /* so when you think this write should be a send instead, please find out */
1857 /* where your send() is from - it's definitely not the microsoft send, and */ 1884 /* where your send() is from - it's definitely not the microsoft send, and */
1858 /* tell me. thank you. */ 1885 /* tell me. thank you. */
1886 /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
1887 /* check the ev documentation on how to use this flag */
1859 write (evpipe [1], &(evpipe [1]), 1); 1888 write (evpipe [1], &(evpipe [1]), 1);
1860 } 1889 }
1861 1890
1862 errno = old_errno; 1891 errno = old_errno;
1863 } 1892 }
1887 } 1916 }
1888 } 1917 }
1889 1918
1890 pipe_write_skipped = 0; 1919 pipe_write_skipped = 0;
1891 1920
1921 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1922
1892#if EV_SIGNAL_ENABLE 1923#if EV_SIGNAL_ENABLE
1893 if (sig_pending) 1924 if (sig_pending)
1894 { 1925 {
1895 sig_pending = 0; 1926 sig_pending = 0;
1927
1928 ECB_MEMORY_FENCE_RELEASE;
1896 1929
1897 for (i = EV_NSIG - 1; i--; ) 1930 for (i = EV_NSIG - 1; i--; )
1898 if (expect_false (signals [i].pending)) 1931 if (expect_false (signals [i].pending))
1899 ev_feed_signal_event (EV_A_ i + 1); 1932 ev_feed_signal_event (EV_A_ i + 1);
1900 } 1933 }
1902 1935
1903#if EV_ASYNC_ENABLE 1936#if EV_ASYNC_ENABLE
1904 if (async_pending) 1937 if (async_pending)
1905 { 1938 {
1906 async_pending = 0; 1939 async_pending = 0;
1940
1941 ECB_MEMORY_FENCE_RELEASE;
1907 1942
1908 for (i = asynccnt; i--; ) 1943 for (i = asynccnt; i--; )
1909 if (asyncs [i]->sent) 1944 if (asyncs [i]->sent)
1910 { 1945 {
1911 asyncs [i]->sent = 0; 1946 asyncs [i]->sent = 0;
1916} 1951}
1917 1952
1918/*****************************************************************************/ 1953/*****************************************************************************/
1919 1954
1920void 1955void
1921ev_feed_signal (int signum) 1956ev_feed_signal (int signum) EV_THROW
1922{ 1957{
1923#if EV_MULTIPLICITY 1958#if EV_MULTIPLICITY
1924 EV_P = signals [signum - 1].loop; 1959 EV_P = signals [signum - 1].loop;
1925 1960
1926 if (!EV_A) 1961 if (!EV_A)
1943 1978
1944 ev_feed_signal (signum); 1979 ev_feed_signal (signum);
1945} 1980}
1946 1981
1947void noinline 1982void noinline
1948ev_feed_signal_event (EV_P_ int signum) 1983ev_feed_signal_event (EV_P_ int signum) EV_THROW
1949{ 1984{
1950 WL w; 1985 WL w;
1951 1986
1952 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1987 if (expect_false (signum <= 0 || signum > EV_NSIG))
1953 return; 1988 return;
2069#if EV_USE_SELECT 2104#if EV_USE_SELECT
2070# include "ev_select.c" 2105# include "ev_select.c"
2071#endif 2106#endif
2072 2107
2073int ecb_cold 2108int ecb_cold
2074ev_version_major (void) 2109ev_version_major (void) EV_THROW
2075{ 2110{
2076 return EV_VERSION_MAJOR; 2111 return EV_VERSION_MAJOR;
2077} 2112}
2078 2113
2079int ecb_cold 2114int ecb_cold
2080ev_version_minor (void) 2115ev_version_minor (void) EV_THROW
2081{ 2116{
2082 return EV_VERSION_MINOR; 2117 return EV_VERSION_MINOR;
2083} 2118}
2084 2119
2085/* return true if we are running with elevated privileges and should ignore env variables */ 2120/* return true if we are running with elevated privileges and should ignore env variables */
2093 || getgid () != getegid (); 2128 || getgid () != getegid ();
2094#endif 2129#endif
2095} 2130}
2096 2131
2097unsigned int ecb_cold 2132unsigned int ecb_cold
2098ev_supported_backends (void) 2133ev_supported_backends (void) EV_THROW
2099{ 2134{
2100 unsigned int flags = 0; 2135 unsigned int flags = 0;
2101 2136
2102 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2137 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2103 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2138 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
2107 2142
2108 return flags; 2143 return flags;
2109} 2144}
2110 2145
2111unsigned int ecb_cold 2146unsigned int ecb_cold
2112ev_recommended_backends (void) 2147ev_recommended_backends (void) EV_THROW
2113{ 2148{
2114 unsigned int flags = ev_supported_backends (); 2149 unsigned int flags = ev_supported_backends ();
2115 2150
2116#ifndef __NetBSD__ 2151#ifndef __NetBSD__
2117 /* kqueue is borked on everything but netbsd apparently */ 2152 /* kqueue is borked on everything but netbsd apparently */
2129 2164
2130 return flags; 2165 return flags;
2131} 2166}
2132 2167
2133unsigned int ecb_cold 2168unsigned int ecb_cold
2134ev_embeddable_backends (void) 2169ev_embeddable_backends (void) EV_THROW
2135{ 2170{
2136 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2171 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2137 2172
2138 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2173 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2139 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2174 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2141 2176
2142 return flags; 2177 return flags;
2143} 2178}
2144 2179
2145unsigned int 2180unsigned int
2146ev_backend (EV_P) 2181ev_backend (EV_P) EV_THROW
2147{ 2182{
2148 return backend; 2183 return backend;
2149} 2184}
2150 2185
2151#if EV_FEATURE_API 2186#if EV_FEATURE_API
2152unsigned int 2187unsigned int
2153ev_iteration (EV_P) 2188ev_iteration (EV_P) EV_THROW
2154{ 2189{
2155 return loop_count; 2190 return loop_count;
2156} 2191}
2157 2192
2158unsigned int 2193unsigned int
2159ev_depth (EV_P) 2194ev_depth (EV_P) EV_THROW
2160{ 2195{
2161 return loop_depth; 2196 return loop_depth;
2162} 2197}
2163 2198
2164void 2199void
2165ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2200ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2166{ 2201{
2167 io_blocktime = interval; 2202 io_blocktime = interval;
2168} 2203}
2169 2204
2170void 2205void
2171ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2206ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2172{ 2207{
2173 timeout_blocktime = interval; 2208 timeout_blocktime = interval;
2174} 2209}
2175 2210
2176void 2211void
2177ev_set_userdata (EV_P_ void *data) 2212ev_set_userdata (EV_P_ void *data) EV_THROW
2178{ 2213{
2179 userdata = data; 2214 userdata = data;
2180} 2215}
2181 2216
2182void * 2217void *
2183ev_userdata (EV_P) 2218ev_userdata (EV_P) EV_THROW
2184{ 2219{
2185 return userdata; 2220 return userdata;
2186} 2221}
2187 2222
2188void 2223void
2189ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2224ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2190{ 2225{
2191 invoke_cb = invoke_pending_cb; 2226 invoke_cb = invoke_pending_cb;
2192} 2227}
2193 2228
2194void 2229void
2195ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2230ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2196{ 2231{
2197 release_cb = release; 2232 release_cb = release;
2198 acquire_cb = acquire; 2233 acquire_cb = acquire;
2199} 2234}
2200#endif 2235#endif
2201 2236
2202/* initialise a loop structure, must be zero-initialised */ 2237/* initialise a loop structure, must be zero-initialised */
2203static void noinline ecb_cold 2238static void noinline ecb_cold
2204loop_init (EV_P_ unsigned int flags) 2239loop_init (EV_P_ unsigned int flags) EV_THROW
2205{ 2240{
2206 if (!backend) 2241 if (!backend)
2207 { 2242 {
2208 origflags = flags; 2243 origflags = flags;
2209 2244
2462} 2497}
2463 2498
2464#if EV_MULTIPLICITY 2499#if EV_MULTIPLICITY
2465 2500
2466struct ev_loop * ecb_cold 2501struct ev_loop * ecb_cold
2467ev_loop_new (unsigned int flags) 2502ev_loop_new (unsigned int flags) EV_THROW
2468{ 2503{
2469 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2504 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2470 2505
2471 memset (EV_A, 0, sizeof (struct ev_loop)); 2506 memset (EV_A, 0, sizeof (struct ev_loop));
2472 loop_init (EV_A_ flags); 2507 loop_init (EV_A_ flags);
2516} 2551}
2517#endif 2552#endif
2518 2553
2519#if EV_FEATURE_API 2554#if EV_FEATURE_API
2520void ecb_cold 2555void ecb_cold
2521ev_verify (EV_P) 2556ev_verify (EV_P) EV_THROW
2522{ 2557{
2523#if EV_VERIFY 2558#if EV_VERIFY
2524 int i; 2559 int i;
2525 WL w; 2560 WL w;
2526 2561
2595#if EV_MULTIPLICITY 2630#if EV_MULTIPLICITY
2596struct ev_loop * ecb_cold 2631struct ev_loop * ecb_cold
2597#else 2632#else
2598int 2633int
2599#endif 2634#endif
2600ev_default_loop (unsigned int flags) 2635ev_default_loop (unsigned int flags) EV_THROW
2601{ 2636{
2602 if (!ev_default_loop_ptr) 2637 if (!ev_default_loop_ptr)
2603 { 2638 {
2604#if EV_MULTIPLICITY 2639#if EV_MULTIPLICITY
2605 EV_P = ev_default_loop_ptr = &default_loop_struct; 2640 EV_P = ev_default_loop_ptr = &default_loop_struct;
2624 2659
2625 return ev_default_loop_ptr; 2660 return ev_default_loop_ptr;
2626} 2661}
2627 2662
2628void 2663void
2629ev_loop_fork (EV_P) 2664ev_loop_fork (EV_P) EV_THROW
2630{ 2665{
2631 postfork = 1; /* must be in line with ev_default_fork */ 2666 postfork = 1; /* must be in line with ev_default_fork */
2632} 2667}
2633 2668
2634/*****************************************************************************/ 2669/*****************************************************************************/
2638{ 2673{
2639 EV_CB_INVOKE ((W)w, revents); 2674 EV_CB_INVOKE ((W)w, revents);
2640} 2675}
2641 2676
2642unsigned int 2677unsigned int
2643ev_pending_count (EV_P) 2678ev_pending_count (EV_P) EV_THROW
2644{ 2679{
2645 int pri; 2680 int pri;
2646 unsigned int count = 0; 2681 unsigned int count = 0;
2647 2682
2648 for (pri = NUMPRI; pri--; ) 2683 for (pri = NUMPRI; pri--; )
2652} 2687}
2653 2688
2654void noinline 2689void noinline
2655ev_invoke_pending (EV_P) 2690ev_invoke_pending (EV_P)
2656{ 2691{
2657 int pri; 2692 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2658
2659 for (pri = NUMPRI; pri--; )
2660 while (pendingcnt [pri]) 2693 while (pendingcnt [pendingpri])
2661 { 2694 {
2662 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2695 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2663 2696
2664 p->w->pending = 0; 2697 p->w->pending = 0;
2665 EV_CB_INVOKE (p->w, p->events); 2698 EV_CB_INVOKE (p->w, p->events);
2666 EV_FREQUENT_CHECK; 2699 EV_FREQUENT_CHECK;
2667 } 2700 }
2907 2940
2908 mn_now = ev_rt_now; 2941 mn_now = ev_rt_now;
2909 } 2942 }
2910} 2943}
2911 2944
2912void 2945int
2913ev_run (EV_P_ int flags) 2946ev_run (EV_P_ int flags)
2914{ 2947{
2915#if EV_FEATURE_API 2948#if EV_FEATURE_API
2916 ++loop_depth; 2949 ++loop_depth;
2917#endif 2950#endif
3074 loop_done = EVBREAK_CANCEL; 3107 loop_done = EVBREAK_CANCEL;
3075 3108
3076#if EV_FEATURE_API 3109#if EV_FEATURE_API
3077 --loop_depth; 3110 --loop_depth;
3078#endif 3111#endif
3112
3113 return activecnt;
3079} 3114}
3080 3115
3081void 3116void
3082ev_break (EV_P_ int how) 3117ev_break (EV_P_ int how) EV_THROW
3083{ 3118{
3084 loop_done = how; 3119 loop_done = how;
3085} 3120}
3086 3121
3087void 3122void
3088ev_ref (EV_P) 3123ev_ref (EV_P) EV_THROW
3089{ 3124{
3090 ++activecnt; 3125 ++activecnt;
3091} 3126}
3092 3127
3093void 3128void
3094ev_unref (EV_P) 3129ev_unref (EV_P) EV_THROW
3095{ 3130{
3096 --activecnt; 3131 --activecnt;
3097} 3132}
3098 3133
3099void 3134void
3100ev_now_update (EV_P) 3135ev_now_update (EV_P) EV_THROW
3101{ 3136{
3102 time_update (EV_A_ 1e100); 3137 time_update (EV_A_ 1e100);
3103} 3138}
3104 3139
3105void 3140void
3106ev_suspend (EV_P) 3141ev_suspend (EV_P) EV_THROW
3107{ 3142{
3108 ev_now_update (EV_A); 3143 ev_now_update (EV_A);
3109} 3144}
3110 3145
3111void 3146void
3112ev_resume (EV_P) 3147ev_resume (EV_P) EV_THROW
3113{ 3148{
3114 ev_tstamp mn_prev = mn_now; 3149 ev_tstamp mn_prev = mn_now;
3115 3150
3116 ev_now_update (EV_A); 3151 ev_now_update (EV_A);
3117 timers_reschedule (EV_A_ mn_now - mn_prev); 3152 timers_reschedule (EV_A_ mn_now - mn_prev);
3156 w->pending = 0; 3191 w->pending = 0;
3157 } 3192 }
3158} 3193}
3159 3194
3160int 3195int
3161ev_clear_pending (EV_P_ void *w) 3196ev_clear_pending (EV_P_ void *w) EV_THROW
3162{ 3197{
3163 W w_ = (W)w; 3198 W w_ = (W)w;
3164 int pending = w_->pending; 3199 int pending = w_->pending;
3165 3200
3166 if (expect_true (pending)) 3201 if (expect_true (pending))
3199} 3234}
3200 3235
3201/*****************************************************************************/ 3236/*****************************************************************************/
3202 3237
3203void noinline 3238void noinline
3204ev_io_start (EV_P_ ev_io *w) 3239ev_io_start (EV_P_ ev_io *w) EV_THROW
3205{ 3240{
3206 int fd = w->fd; 3241 int fd = w->fd;
3207 3242
3208 if (expect_false (ev_is_active (w))) 3243 if (expect_false (ev_is_active (w)))
3209 return; 3244 return;
3222 3257
3223 EV_FREQUENT_CHECK; 3258 EV_FREQUENT_CHECK;
3224} 3259}
3225 3260
3226void noinline 3261void noinline
3227ev_io_stop (EV_P_ ev_io *w) 3262ev_io_stop (EV_P_ ev_io *w) EV_THROW
3228{ 3263{
3229 clear_pending (EV_A_ (W)w); 3264 clear_pending (EV_A_ (W)w);
3230 if (expect_false (!ev_is_active (w))) 3265 if (expect_false (!ev_is_active (w)))
3231 return; 3266 return;
3232 3267
3241 3276
3242 EV_FREQUENT_CHECK; 3277 EV_FREQUENT_CHECK;
3243} 3278}
3244 3279
3245void noinline 3280void noinline
3246ev_timer_start (EV_P_ ev_timer *w) 3281ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3247{ 3282{
3248 if (expect_false (ev_is_active (w))) 3283 if (expect_false (ev_is_active (w)))
3249 return; 3284 return;
3250 3285
3251 ev_at (w) += mn_now; 3286 ev_at (w) += mn_now;
3265 3300
3266 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3301 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3267} 3302}
3268 3303
3269void noinline 3304void noinline
3270ev_timer_stop (EV_P_ ev_timer *w) 3305ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3271{ 3306{
3272 clear_pending (EV_A_ (W)w); 3307 clear_pending (EV_A_ (W)w);
3273 if (expect_false (!ev_is_active (w))) 3308 if (expect_false (!ev_is_active (w)))
3274 return; 3309 return;
3275 3310
3295 3330
3296 EV_FREQUENT_CHECK; 3331 EV_FREQUENT_CHECK;
3297} 3332}
3298 3333
3299void noinline 3334void noinline
3300ev_timer_again (EV_P_ ev_timer *w) 3335ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3301{ 3336{
3302 EV_FREQUENT_CHECK; 3337 EV_FREQUENT_CHECK;
3338
3339 clear_pending (EV_A_ (W)w);
3303 3340
3304 if (ev_is_active (w)) 3341 if (ev_is_active (w))
3305 { 3342 {
3306 if (w->repeat) 3343 if (w->repeat)
3307 { 3344 {
3320 3357
3321 EV_FREQUENT_CHECK; 3358 EV_FREQUENT_CHECK;
3322} 3359}
3323 3360
3324ev_tstamp 3361ev_tstamp
3325ev_timer_remaining (EV_P_ ev_timer *w) 3362ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3326{ 3363{
3327 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3364 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3328} 3365}
3329 3366
3330#if EV_PERIODIC_ENABLE 3367#if EV_PERIODIC_ENABLE
3331void noinline 3368void noinline
3332ev_periodic_start (EV_P_ ev_periodic *w) 3369ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3333{ 3370{
3334 if (expect_false (ev_is_active (w))) 3371 if (expect_false (ev_is_active (w)))
3335 return; 3372 return;
3336 3373
3337 if (w->reschedule_cb) 3374 if (w->reschedule_cb)
3357 3394
3358 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3395 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3359} 3396}
3360 3397
3361void noinline 3398void noinline
3362ev_periodic_stop (EV_P_ ev_periodic *w) 3399ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3363{ 3400{
3364 clear_pending (EV_A_ (W)w); 3401 clear_pending (EV_A_ (W)w);
3365 if (expect_false (!ev_is_active (w))) 3402 if (expect_false (!ev_is_active (w)))
3366 return; 3403 return;
3367 3404
3385 3422
3386 EV_FREQUENT_CHECK; 3423 EV_FREQUENT_CHECK;
3387} 3424}
3388 3425
3389void noinline 3426void noinline
3390ev_periodic_again (EV_P_ ev_periodic *w) 3427ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3391{ 3428{
3392 /* TODO: use adjustheap and recalculation */ 3429 /* TODO: use adjustheap and recalculation */
3393 ev_periodic_stop (EV_A_ w); 3430 ev_periodic_stop (EV_A_ w);
3394 ev_periodic_start (EV_A_ w); 3431 ev_periodic_start (EV_A_ w);
3395} 3432}
3400#endif 3437#endif
3401 3438
3402#if EV_SIGNAL_ENABLE 3439#if EV_SIGNAL_ENABLE
3403 3440
3404void noinline 3441void noinline
3405ev_signal_start (EV_P_ ev_signal *w) 3442ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3406{ 3443{
3407 if (expect_false (ev_is_active (w))) 3444 if (expect_false (ev_is_active (w)))
3408 return; 3445 return;
3409 3446
3410 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3447 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3481 3518
3482 EV_FREQUENT_CHECK; 3519 EV_FREQUENT_CHECK;
3483} 3520}
3484 3521
3485void noinline 3522void noinline
3486ev_signal_stop (EV_P_ ev_signal *w) 3523ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3487{ 3524{
3488 clear_pending (EV_A_ (W)w); 3525 clear_pending (EV_A_ (W)w);
3489 if (expect_false (!ev_is_active (w))) 3526 if (expect_false (!ev_is_active (w)))
3490 return; 3527 return;
3491 3528
3522#endif 3559#endif
3523 3560
3524#if EV_CHILD_ENABLE 3561#if EV_CHILD_ENABLE
3525 3562
3526void 3563void
3527ev_child_start (EV_P_ ev_child *w) 3564ev_child_start (EV_P_ ev_child *w) EV_THROW
3528{ 3565{
3529#if EV_MULTIPLICITY 3566#if EV_MULTIPLICITY
3530 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3567 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3531#endif 3568#endif
3532 if (expect_false (ev_is_active (w))) 3569 if (expect_false (ev_is_active (w)))
3539 3576
3540 EV_FREQUENT_CHECK; 3577 EV_FREQUENT_CHECK;
3541} 3578}
3542 3579
3543void 3580void
3544ev_child_stop (EV_P_ ev_child *w) 3581ev_child_stop (EV_P_ ev_child *w) EV_THROW
3545{ 3582{
3546 clear_pending (EV_A_ (W)w); 3583 clear_pending (EV_A_ (W)w);
3547 if (expect_false (!ev_is_active (w))) 3584 if (expect_false (!ev_is_active (w)))
3548 return; 3585 return;
3549 3586
3716} 3753}
3717 3754
3718inline_size int 3755inline_size int
3719infy_newfd (void) 3756infy_newfd (void)
3720{ 3757{
3721#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3758#if defined IN_CLOEXEC && defined IN_NONBLOCK
3722 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3759 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3723 if (fd >= 0) 3760 if (fd >= 0)
3724 return fd; 3761 return fd;
3725#endif 3762#endif
3726 return inotify_init (); 3763 return inotify_init ();
3801#else 3838#else
3802# define EV_LSTAT(p,b) lstat (p, b) 3839# define EV_LSTAT(p,b) lstat (p, b)
3803#endif 3840#endif
3804 3841
3805void 3842void
3806ev_stat_stat (EV_P_ ev_stat *w) 3843ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3807{ 3844{
3808 if (lstat (w->path, &w->attr) < 0) 3845 if (lstat (w->path, &w->attr) < 0)
3809 w->attr.st_nlink = 0; 3846 w->attr.st_nlink = 0;
3810 else if (!w->attr.st_nlink) 3847 else if (!w->attr.st_nlink)
3811 w->attr.st_nlink = 1; 3848 w->attr.st_nlink = 1;
3850 ev_feed_event (EV_A_ w, EV_STAT); 3887 ev_feed_event (EV_A_ w, EV_STAT);
3851 } 3888 }
3852} 3889}
3853 3890
3854void 3891void
3855ev_stat_start (EV_P_ ev_stat *w) 3892ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3856{ 3893{
3857 if (expect_false (ev_is_active (w))) 3894 if (expect_false (ev_is_active (w)))
3858 return; 3895 return;
3859 3896
3860 ev_stat_stat (EV_A_ w); 3897 ev_stat_stat (EV_A_ w);
3881 3918
3882 EV_FREQUENT_CHECK; 3919 EV_FREQUENT_CHECK;
3883} 3920}
3884 3921
3885void 3922void
3886ev_stat_stop (EV_P_ ev_stat *w) 3923ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3887{ 3924{
3888 clear_pending (EV_A_ (W)w); 3925 clear_pending (EV_A_ (W)w);
3889 if (expect_false (!ev_is_active (w))) 3926 if (expect_false (!ev_is_active (w)))
3890 return; 3927 return;
3891 3928
3907} 3944}
3908#endif 3945#endif
3909 3946
3910#if EV_IDLE_ENABLE 3947#if EV_IDLE_ENABLE
3911void 3948void
3912ev_idle_start (EV_P_ ev_idle *w) 3949ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3913{ 3950{
3914 if (expect_false (ev_is_active (w))) 3951 if (expect_false (ev_is_active (w)))
3915 return; 3952 return;
3916 3953
3917 pri_adjust (EV_A_ (W)w); 3954 pri_adjust (EV_A_ (W)w);
3930 3967
3931 EV_FREQUENT_CHECK; 3968 EV_FREQUENT_CHECK;
3932} 3969}
3933 3970
3934void 3971void
3935ev_idle_stop (EV_P_ ev_idle *w) 3972ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3936{ 3973{
3937 clear_pending (EV_A_ (W)w); 3974 clear_pending (EV_A_ (W)w);
3938 if (expect_false (!ev_is_active (w))) 3975 if (expect_false (!ev_is_active (w)))
3939 return; 3976 return;
3940 3977
3954} 3991}
3955#endif 3992#endif
3956 3993
3957#if EV_PREPARE_ENABLE 3994#if EV_PREPARE_ENABLE
3958void 3995void
3959ev_prepare_start (EV_P_ ev_prepare *w) 3996ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3960{ 3997{
3961 if (expect_false (ev_is_active (w))) 3998 if (expect_false (ev_is_active (w)))
3962 return; 3999 return;
3963 4000
3964 EV_FREQUENT_CHECK; 4001 EV_FREQUENT_CHECK;
3969 4006
3970 EV_FREQUENT_CHECK; 4007 EV_FREQUENT_CHECK;
3971} 4008}
3972 4009
3973void 4010void
3974ev_prepare_stop (EV_P_ ev_prepare *w) 4011ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3975{ 4012{
3976 clear_pending (EV_A_ (W)w); 4013 clear_pending (EV_A_ (W)w);
3977 if (expect_false (!ev_is_active (w))) 4014 if (expect_false (!ev_is_active (w)))
3978 return; 4015 return;
3979 4016
3992} 4029}
3993#endif 4030#endif
3994 4031
3995#if EV_CHECK_ENABLE 4032#if EV_CHECK_ENABLE
3996void 4033void
3997ev_check_start (EV_P_ ev_check *w) 4034ev_check_start (EV_P_ ev_check *w) EV_THROW
3998{ 4035{
3999 if (expect_false (ev_is_active (w))) 4036 if (expect_false (ev_is_active (w)))
4000 return; 4037 return;
4001 4038
4002 EV_FREQUENT_CHECK; 4039 EV_FREQUENT_CHECK;
4007 4044
4008 EV_FREQUENT_CHECK; 4045 EV_FREQUENT_CHECK;
4009} 4046}
4010 4047
4011void 4048void
4012ev_check_stop (EV_P_ ev_check *w) 4049ev_check_stop (EV_P_ ev_check *w) EV_THROW
4013{ 4050{
4014 clear_pending (EV_A_ (W)w); 4051 clear_pending (EV_A_ (W)w);
4015 if (expect_false (!ev_is_active (w))) 4052 if (expect_false (!ev_is_active (w)))
4016 return; 4053 return;
4017 4054
4030} 4067}
4031#endif 4068#endif
4032 4069
4033#if EV_EMBED_ENABLE 4070#if EV_EMBED_ENABLE
4034void noinline 4071void noinline
4035ev_embed_sweep (EV_P_ ev_embed *w) 4072ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4036{ 4073{
4037 ev_run (w->other, EVRUN_NOWAIT); 4074 ev_run (w->other, EVRUN_NOWAIT);
4038} 4075}
4039 4076
4040static void 4077static void
4088 ev_idle_stop (EV_A_ idle); 4125 ev_idle_stop (EV_A_ idle);
4089} 4126}
4090#endif 4127#endif
4091 4128
4092void 4129void
4093ev_embed_start (EV_P_ ev_embed *w) 4130ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4094{ 4131{
4095 if (expect_false (ev_is_active (w))) 4132 if (expect_false (ev_is_active (w)))
4096 return; 4133 return;
4097 4134
4098 { 4135 {
4119 4156
4120 EV_FREQUENT_CHECK; 4157 EV_FREQUENT_CHECK;
4121} 4158}
4122 4159
4123void 4160void
4124ev_embed_stop (EV_P_ ev_embed *w) 4161ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4125{ 4162{
4126 clear_pending (EV_A_ (W)w); 4163 clear_pending (EV_A_ (W)w);
4127 if (expect_false (!ev_is_active (w))) 4164 if (expect_false (!ev_is_active (w)))
4128 return; 4165 return;
4129 4166
4139} 4176}
4140#endif 4177#endif
4141 4178
4142#if EV_FORK_ENABLE 4179#if EV_FORK_ENABLE
4143void 4180void
4144ev_fork_start (EV_P_ ev_fork *w) 4181ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4145{ 4182{
4146 if (expect_false (ev_is_active (w))) 4183 if (expect_false (ev_is_active (w)))
4147 return; 4184 return;
4148 4185
4149 EV_FREQUENT_CHECK; 4186 EV_FREQUENT_CHECK;
4154 4191
4155 EV_FREQUENT_CHECK; 4192 EV_FREQUENT_CHECK;
4156} 4193}
4157 4194
4158void 4195void
4159ev_fork_stop (EV_P_ ev_fork *w) 4196ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4160{ 4197{
4161 clear_pending (EV_A_ (W)w); 4198 clear_pending (EV_A_ (W)w);
4162 if (expect_false (!ev_is_active (w))) 4199 if (expect_false (!ev_is_active (w)))
4163 return; 4200 return;
4164 4201
4177} 4214}
4178#endif 4215#endif
4179 4216
4180#if EV_CLEANUP_ENABLE 4217#if EV_CLEANUP_ENABLE
4181void 4218void
4182ev_cleanup_start (EV_P_ ev_cleanup *w) 4219ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4183{ 4220{
4184 if (expect_false (ev_is_active (w))) 4221 if (expect_false (ev_is_active (w)))
4185 return; 4222 return;
4186 4223
4187 EV_FREQUENT_CHECK; 4224 EV_FREQUENT_CHECK;
4194 ev_unref (EV_A); 4231 ev_unref (EV_A);
4195 EV_FREQUENT_CHECK; 4232 EV_FREQUENT_CHECK;
4196} 4233}
4197 4234
4198void 4235void
4199ev_cleanup_stop (EV_P_ ev_cleanup *w) 4236ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4200{ 4237{
4201 clear_pending (EV_A_ (W)w); 4238 clear_pending (EV_A_ (W)w);
4202 if (expect_false (!ev_is_active (w))) 4239 if (expect_false (!ev_is_active (w)))
4203 return; 4240 return;
4204 4241
4218} 4255}
4219#endif 4256#endif
4220 4257
4221#if EV_ASYNC_ENABLE 4258#if EV_ASYNC_ENABLE
4222void 4259void
4223ev_async_start (EV_P_ ev_async *w) 4260ev_async_start (EV_P_ ev_async *w) EV_THROW
4224{ 4261{
4225 if (expect_false (ev_is_active (w))) 4262 if (expect_false (ev_is_active (w)))
4226 return; 4263 return;
4227 4264
4228 w->sent = 0; 4265 w->sent = 0;
4237 4274
4238 EV_FREQUENT_CHECK; 4275 EV_FREQUENT_CHECK;
4239} 4276}
4240 4277
4241void 4278void
4242ev_async_stop (EV_P_ ev_async *w) 4279ev_async_stop (EV_P_ ev_async *w) EV_THROW
4243{ 4280{
4244 clear_pending (EV_A_ (W)w); 4281 clear_pending (EV_A_ (W)w);
4245 if (expect_false (!ev_is_active (w))) 4282 if (expect_false (!ev_is_active (w)))
4246 return; 4283 return;
4247 4284
4258 4295
4259 EV_FREQUENT_CHECK; 4296 EV_FREQUENT_CHECK;
4260} 4297}
4261 4298
4262void 4299void
4263ev_async_send (EV_P_ ev_async *w) 4300ev_async_send (EV_P_ ev_async *w) EV_THROW
4264{ 4301{
4265 w->sent = 1; 4302 w->sent = 1;
4266 evpipe_write (EV_A_ &async_pending); 4303 evpipe_write (EV_A_ &async_pending);
4267} 4304}
4268#endif 4305#endif
4305 4342
4306 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4343 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4307} 4344}
4308 4345
4309void 4346void
4310ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4347ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4311{ 4348{
4312 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4349 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4313 4350
4314 if (expect_false (!once)) 4351 if (expect_false (!once))
4315 { 4352 {
4337 4374
4338/*****************************************************************************/ 4375/*****************************************************************************/
4339 4376
4340#if EV_WALK_ENABLE 4377#if EV_WALK_ENABLE
4341void ecb_cold 4378void ecb_cold
4342ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4379ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4343{ 4380{
4344 int i, j; 4381 int i, j;
4345 ev_watcher_list *wl, *wn; 4382 ev_watcher_list *wl, *wn;
4346 4383
4347 if (types & (EV_IO | EV_EMBED)) 4384 if (types & (EV_IO | EV_EMBED))

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines