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Comparing libev/ev.c (file contents):
Revision 1.405 by root, Wed Jan 18 12:51:41 2012 UTC vs.
Revision 1.427 by root, Sun May 6 19:29:59 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
… …
1849 write (evfd, &counter, sizeof (uint64_t)); 1876 write (evfd, &counter, sizeof (uint64_t));
1850 } 1877 }
1851 else 1878 else
1852#endif 1879#endif
1853 { 1880 {
1854 /* win32 people keep sending patches that change this write() to send() */ 1881#ifdef _WIN32
1855 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1882 WSABUF buf;
1856 /* so when you think this write should be a send instead, please find out */ 1883 DWORD sent;
1857 /* where your send() is from - it's definitely not the microsoft send, and */ 1884 buf.buf = &buf;
1858 /* tell me. thank you. */ 1885 buf.len = 1;
1886 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1887#else
1859 write (evpipe [1], &(evpipe [1]), 1); 1888 write (evpipe [1], &(evpipe [1]), 1);
1889#endif
1860 } 1890 }
1861 1891
1862 errno = old_errno; 1892 errno = old_errno;
1863 } 1893 }
1864} 1894}
… …
1879 read (evfd, &counter, sizeof (uint64_t)); 1909 read (evfd, &counter, sizeof (uint64_t));
1880 } 1910 }
1881 else 1911 else
1882#endif 1912#endif
1883 { 1913 {
1884 char dummy; 1914 char dummy[4];
1885 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1915#ifdef _WIN32
1916 WSABUF buf;
1917 DWORD recvd;
1918 buf.buf = dummy;
1919 buf.len = sizeof (dummy);
1920 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0);
1921#else
1886 read (evpipe [0], &dummy, 1); 1922 read (evpipe [0], &dummy, sizeof (dummy));
1923#endif
1887 } 1924 }
1888 } 1925 }
1889 1926
1890 pipe_write_skipped = 0; 1927 pipe_write_skipped = 0;
1928
1929 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1891 1930
1892#if EV_SIGNAL_ENABLE 1931#if EV_SIGNAL_ENABLE
1893 if (sig_pending) 1932 if (sig_pending)
1894 { 1933 {
1895 sig_pending = 0; 1934 sig_pending = 0;
1935
1936 ECB_MEMORY_FENCE_RELEASE;
1896 1937
1897 for (i = EV_NSIG - 1; i--; ) 1938 for (i = EV_NSIG - 1; i--; )
1898 if (expect_false (signals [i].pending)) 1939 if (expect_false (signals [i].pending))
1899 ev_feed_signal_event (EV_A_ i + 1); 1940 ev_feed_signal_event (EV_A_ i + 1);
1900 } 1941 }
… …
1902 1943
1903#if EV_ASYNC_ENABLE 1944#if EV_ASYNC_ENABLE
1904 if (async_pending) 1945 if (async_pending)
1905 { 1946 {
1906 async_pending = 0; 1947 async_pending = 0;
1948
1949 ECB_MEMORY_FENCE_RELEASE;
1907 1950
1908 for (i = asynccnt; i--; ) 1951 for (i = asynccnt; i--; )
1909 if (asyncs [i]->sent) 1952 if (asyncs [i]->sent)
1910 { 1953 {
1911 asyncs [i]->sent = 0; 1954 asyncs [i]->sent = 0;
… …
1916} 1959}
1917 1960
1918/*****************************************************************************/ 1961/*****************************************************************************/
1919 1962
1920void 1963void
1921ev_feed_signal (int signum) 1964ev_feed_signal (int signum) EV_THROW
1922{ 1965{
1923#if EV_MULTIPLICITY 1966#if EV_MULTIPLICITY
1924 EV_P = signals [signum - 1].loop; 1967 EV_P = signals [signum - 1].loop;
1925 1968
1926 if (!EV_A) 1969 if (!EV_A)
… …
1943 1986
1944 ev_feed_signal (signum); 1987 ev_feed_signal (signum);
1945} 1988}
1946 1989
1947void noinline 1990void noinline
1948ev_feed_signal_event (EV_P_ int signum) 1991ev_feed_signal_event (EV_P_ int signum) EV_THROW
1949{ 1992{
1950 WL w; 1993 WL w;
1951 1994
1952 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1995 if (expect_false (signum <= 0 || signum > EV_NSIG))
1953 return; 1996 return;
… …
2069#if EV_USE_SELECT 2112#if EV_USE_SELECT
2070# include "ev_select.c" 2113# include "ev_select.c"
2071#endif 2114#endif
2072 2115
2073int ecb_cold 2116int ecb_cold
2074ev_version_major (void) 2117ev_version_major (void) EV_THROW
2075{ 2118{
2076 return EV_VERSION_MAJOR; 2119 return EV_VERSION_MAJOR;
2077} 2120}
2078 2121
2079int ecb_cold 2122int ecb_cold
2080ev_version_minor (void) 2123ev_version_minor (void) EV_THROW
2081{ 2124{
2082 return EV_VERSION_MINOR; 2125 return EV_VERSION_MINOR;
2083} 2126}
2084 2127
2085/* return true if we are running with elevated privileges and should ignore env variables */ 2128/* return true if we are running with elevated privileges and should ignore env variables */
… …
2093 || getgid () != getegid (); 2136 || getgid () != getegid ();
2094#endif 2137#endif
2095} 2138}
2096 2139
2097unsigned int ecb_cold 2140unsigned int ecb_cold
2098ev_supported_backends (void) 2141ev_supported_backends (void) EV_THROW
2099{ 2142{
2100 unsigned int flags = 0; 2143 unsigned int flags = 0;
2101 2144
2102 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2145 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2103 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2146 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2107 2150
2108 return flags; 2151 return flags;
2109} 2152}
2110 2153
2111unsigned int ecb_cold 2154unsigned int ecb_cold
2112ev_recommended_backends (void) 2155ev_recommended_backends (void) EV_THROW
2113{ 2156{
2114 unsigned int flags = ev_supported_backends (); 2157 unsigned int flags = ev_supported_backends ();
2115 2158
2116#ifndef __NetBSD__ 2159#ifndef __NetBSD__
2117 /* kqueue is borked on everything but netbsd apparently */ 2160 /* kqueue is borked on everything but netbsd apparently */
… …
2129 2172
2130 return flags; 2173 return flags;
2131} 2174}
2132 2175
2133unsigned int ecb_cold 2176unsigned int ecb_cold
2134ev_embeddable_backends (void) 2177ev_embeddable_backends (void) EV_THROW
2135{ 2178{
2136 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2179 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2137 2180
2138 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2181 /* 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 */ 2182 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2141 2184
2142 return flags; 2185 return flags;
2143} 2186}
2144 2187
2145unsigned int 2188unsigned int
2146ev_backend (EV_P) 2189ev_backend (EV_P) EV_THROW
2147{ 2190{
2148 return backend; 2191 return backend;
2149} 2192}
2150 2193
2151#if EV_FEATURE_API 2194#if EV_FEATURE_API
2152unsigned int 2195unsigned int
2153ev_iteration (EV_P) 2196ev_iteration (EV_P) EV_THROW
2154{ 2197{
2155 return loop_count; 2198 return loop_count;
2156} 2199}
2157 2200
2158unsigned int 2201unsigned int
2159ev_depth (EV_P) 2202ev_depth (EV_P) EV_THROW
2160{ 2203{
2161 return loop_depth; 2204 return loop_depth;
2162} 2205}
2163 2206
2164void 2207void
2165ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2208ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2166{ 2209{
2167 io_blocktime = interval; 2210 io_blocktime = interval;
2168} 2211}
2169 2212
2170void 2213void
2171ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2214ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2172{ 2215{
2173 timeout_blocktime = interval; 2216 timeout_blocktime = interval;
2174} 2217}
2175 2218
2176void 2219void
2177ev_set_userdata (EV_P_ void *data) 2220ev_set_userdata (EV_P_ void *data) EV_THROW
2178{ 2221{
2179 userdata = data; 2222 userdata = data;
2180} 2223}
2181 2224
2182void * 2225void *
2183ev_userdata (EV_P) 2226ev_userdata (EV_P) EV_THROW
2184{ 2227{
2185 return userdata; 2228 return userdata;
2186} 2229}
2187 2230
2188void 2231void
2189ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2232ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2190{ 2233{
2191 invoke_cb = invoke_pending_cb; 2234 invoke_cb = invoke_pending_cb;
2192} 2235}
2193 2236
2194void 2237void
2195ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2238ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2196{ 2239{
2197 release_cb = release; 2240 release_cb = release;
2198 acquire_cb = acquire; 2241 acquire_cb = acquire;
2199} 2242}
2200#endif 2243#endif
2201 2244
2202/* initialise a loop structure, must be zero-initialised */ 2245/* initialise a loop structure, must be zero-initialised */
2203static void noinline ecb_cold 2246static void noinline ecb_cold
2204loop_init (EV_P_ unsigned int flags) 2247loop_init (EV_P_ unsigned int flags) EV_THROW
2205{ 2248{
2206 if (!backend) 2249 if (!backend)
2207 { 2250 {
2208 origflags = flags; 2251 origflags = flags;
2209 2252
… …
2462} 2505}
2463 2506
2464#if EV_MULTIPLICITY 2507#if EV_MULTIPLICITY
2465 2508
2466struct ev_loop * ecb_cold 2509struct ev_loop * ecb_cold
2467ev_loop_new (unsigned int flags) 2510ev_loop_new (unsigned int flags) EV_THROW
2468{ 2511{
2469 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2512 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2470 2513
2471 memset (EV_A, 0, sizeof (struct ev_loop)); 2514 memset (EV_A, 0, sizeof (struct ev_loop));
2472 loop_init (EV_A_ flags); 2515 loop_init (EV_A_ flags);
… …
2516} 2559}
2517#endif 2560#endif
2518 2561
2519#if EV_FEATURE_API 2562#if EV_FEATURE_API
2520void ecb_cold 2563void ecb_cold
2521ev_verify (EV_P) 2564ev_verify (EV_P) EV_THROW
2522{ 2565{
2523#if EV_VERIFY 2566#if EV_VERIFY
2524 int i; 2567 int i, j;
2525 WL w; 2568 WL w, w2;
2526 2569
2527 assert (activecnt >= -1); 2570 assert (activecnt >= -1);
2528 2571
2529 assert (fdchangemax >= fdchangecnt); 2572 assert (fdchangemax >= fdchangecnt);
2530 for (i = 0; i < fdchangecnt; ++i) 2573 for (i = 0; i < fdchangecnt; ++i)
2531 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2574 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2532 2575
2533 assert (anfdmax >= 0); 2576 assert (anfdmax >= 0);
2534 for (i = 0; i < anfdmax; ++i) 2577 for (i = j = 0; i < anfdmax; ++i)
2535 for (w = anfds [i].head; w; w = w->next) 2578 for (w = w2 = anfds [i].head; w; w = w->next)
2536 { 2579 {
2537 verify_watcher (EV_A_ (W)w); 2580 verify_watcher (EV_A_ (W)w);
2581
2582 if (++j & 1)
2583 w2 = w2->next;
2584
2585 assert (("libev: io watcher list contains a loop", w != w2));
2538 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2586 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2539 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2587 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2540 } 2588 }
2541 2589
2542 assert (timermax >= timercnt); 2590 assert (timermax >= timercnt);
… …
2595#if EV_MULTIPLICITY 2643#if EV_MULTIPLICITY
2596struct ev_loop * ecb_cold 2644struct ev_loop * ecb_cold
2597#else 2645#else
2598int 2646int
2599#endif 2647#endif
2600ev_default_loop (unsigned int flags) 2648ev_default_loop (unsigned int flags) EV_THROW
2601{ 2649{
2602 if (!ev_default_loop_ptr) 2650 if (!ev_default_loop_ptr)
2603 { 2651 {
2604#if EV_MULTIPLICITY 2652#if EV_MULTIPLICITY
2605 EV_P = ev_default_loop_ptr = &default_loop_struct; 2653 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2624 2672
2625 return ev_default_loop_ptr; 2673 return ev_default_loop_ptr;
2626} 2674}
2627 2675
2628void 2676void
2629ev_loop_fork (EV_P) 2677ev_loop_fork (EV_P) EV_THROW
2630{ 2678{
2631 postfork = 1; /* must be in line with ev_default_fork */ 2679 postfork = 1; /* must be in line with ev_default_fork */
2632} 2680}
2633 2681
2634/*****************************************************************************/ 2682/*****************************************************************************/
… …
2638{ 2686{
2639 EV_CB_INVOKE ((W)w, revents); 2687 EV_CB_INVOKE ((W)w, revents);
2640} 2688}
2641 2689
2642unsigned int 2690unsigned int
2643ev_pending_count (EV_P) 2691ev_pending_count (EV_P) EV_THROW
2644{ 2692{
2645 int pri; 2693 int pri;
2646 unsigned int count = 0; 2694 unsigned int count = 0;
2647 2695
2648 for (pri = NUMPRI; pri--; ) 2696 for (pri = NUMPRI; pri--; )
… …
2652} 2700}
2653 2701
2654void noinline 2702void noinline
2655ev_invoke_pending (EV_P) 2703ev_invoke_pending (EV_P)
2656{ 2704{
2657 int pri; 2705 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2658
2659 for (pri = NUMPRI; pri--; )
2660 while (pendingcnt [pri]) 2706 while (pendingcnt [pendingpri])
2661 { 2707 {
2662 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2708 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2663 2709
2664 p->w->pending = 0; 2710 p->w->pending = 0;
2665 EV_CB_INVOKE (p->w, p->events); 2711 EV_CB_INVOKE (p->w, p->events);
2666 EV_FREQUENT_CHECK; 2712 EV_FREQUENT_CHECK;
2667 } 2713 }
… …
2907 2953
2908 mn_now = ev_rt_now; 2954 mn_now = ev_rt_now;
2909 } 2955 }
2910} 2956}
2911 2957
2912void 2958int
2913ev_run (EV_P_ int flags) 2959ev_run (EV_P_ int flags)
2914{ 2960{
2915#if EV_FEATURE_API 2961#if EV_FEATURE_API
2916 ++loop_depth; 2962 ++loop_depth;
2917#endif 2963#endif
… …
3074 loop_done = EVBREAK_CANCEL; 3120 loop_done = EVBREAK_CANCEL;
3075 3121
3076#if EV_FEATURE_API 3122#if EV_FEATURE_API
3077 --loop_depth; 3123 --loop_depth;
3078#endif 3124#endif
3125
3126 return activecnt;
3079} 3127}
3080 3128
3081void 3129void
3082ev_break (EV_P_ int how) 3130ev_break (EV_P_ int how) EV_THROW
3083{ 3131{
3084 loop_done = how; 3132 loop_done = how;
3085} 3133}
3086 3134
3087void 3135void
3088ev_ref (EV_P) 3136ev_ref (EV_P) EV_THROW
3089{ 3137{
3090 ++activecnt; 3138 ++activecnt;
3091} 3139}
3092 3140
3093void 3141void
3094ev_unref (EV_P) 3142ev_unref (EV_P) EV_THROW
3095{ 3143{
3096 --activecnt; 3144 --activecnt;
3097} 3145}
3098 3146
3099void 3147void
3100ev_now_update (EV_P) 3148ev_now_update (EV_P) EV_THROW
3101{ 3149{
3102 time_update (EV_A_ 1e100); 3150 time_update (EV_A_ 1e100);
3103} 3151}
3104 3152
3105void 3153void
3106ev_suspend (EV_P) 3154ev_suspend (EV_P) EV_THROW
3107{ 3155{
3108 ev_now_update (EV_A); 3156 ev_now_update (EV_A);
3109} 3157}
3110 3158
3111void 3159void
3112ev_resume (EV_P) 3160ev_resume (EV_P) EV_THROW
3113{ 3161{
3114 ev_tstamp mn_prev = mn_now; 3162 ev_tstamp mn_prev = mn_now;
3115 3163
3116 ev_now_update (EV_A); 3164 ev_now_update (EV_A);
3117 timers_reschedule (EV_A_ mn_now - mn_prev); 3165 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3156 w->pending = 0; 3204 w->pending = 0;
3157 } 3205 }
3158} 3206}
3159 3207
3160int 3208int
3161ev_clear_pending (EV_P_ void *w) 3209ev_clear_pending (EV_P_ void *w) EV_THROW
3162{ 3210{
3163 W w_ = (W)w; 3211 W w_ = (W)w;
3164 int pending = w_->pending; 3212 int pending = w_->pending;
3165 3213
3166 if (expect_true (pending)) 3214 if (expect_true (pending))
… …
3199} 3247}
3200 3248
3201/*****************************************************************************/ 3249/*****************************************************************************/
3202 3250
3203void noinline 3251void noinline
3204ev_io_start (EV_P_ ev_io *w) 3252ev_io_start (EV_P_ ev_io *w) EV_THROW
3205{ 3253{
3206 int fd = w->fd; 3254 int fd = w->fd;
3207 3255
3208 if (expect_false (ev_is_active (w))) 3256 if (expect_false (ev_is_active (w)))
3209 return; 3257 return;
… …
3215 3263
3216 ev_start (EV_A_ (W)w, 1); 3264 ev_start (EV_A_ (W)w, 1);
3217 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3265 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3218 wlist_add (&anfds[fd].head, (WL)w); 3266 wlist_add (&anfds[fd].head, (WL)w);
3219 3267
3268 /* common bug, apparently */
3269 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3270
3220 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3271 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3221 w->events &= ~EV__IOFDSET; 3272 w->events &= ~EV__IOFDSET;
3222 3273
3223 EV_FREQUENT_CHECK; 3274 EV_FREQUENT_CHECK;
3224} 3275}
3225 3276
3226void noinline 3277void noinline
3227ev_io_stop (EV_P_ ev_io *w) 3278ev_io_stop (EV_P_ ev_io *w) EV_THROW
3228{ 3279{
3229 clear_pending (EV_A_ (W)w); 3280 clear_pending (EV_A_ (W)w);
3230 if (expect_false (!ev_is_active (w))) 3281 if (expect_false (!ev_is_active (w)))
3231 return; 3282 return;
3232 3283
… …
3241 3292
3242 EV_FREQUENT_CHECK; 3293 EV_FREQUENT_CHECK;
3243} 3294}
3244 3295
3245void noinline 3296void noinline
3246ev_timer_start (EV_P_ ev_timer *w) 3297ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3247{ 3298{
3248 if (expect_false (ev_is_active (w))) 3299 if (expect_false (ev_is_active (w)))
3249 return; 3300 return;
3250 3301
3251 ev_at (w) += mn_now; 3302 ev_at (w) += mn_now;
… …
3265 3316
3266 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3317 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3267} 3318}
3268 3319
3269void noinline 3320void noinline
3270ev_timer_stop (EV_P_ ev_timer *w) 3321ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3271{ 3322{
3272 clear_pending (EV_A_ (W)w); 3323 clear_pending (EV_A_ (W)w);
3273 if (expect_false (!ev_is_active (w))) 3324 if (expect_false (!ev_is_active (w)))
3274 return; 3325 return;
3275 3326
… …
3295 3346
3296 EV_FREQUENT_CHECK; 3347 EV_FREQUENT_CHECK;
3297} 3348}
3298 3349
3299void noinline 3350void noinline
3300ev_timer_again (EV_P_ ev_timer *w) 3351ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3301{ 3352{
3302 EV_FREQUENT_CHECK; 3353 EV_FREQUENT_CHECK;
3354
3355 clear_pending (EV_A_ (W)w);
3303 3356
3304 if (ev_is_active (w)) 3357 if (ev_is_active (w))
3305 { 3358 {
3306 if (w->repeat) 3359 if (w->repeat)
3307 { 3360 {
… …
3320 3373
3321 EV_FREQUENT_CHECK; 3374 EV_FREQUENT_CHECK;
3322} 3375}
3323 3376
3324ev_tstamp 3377ev_tstamp
3325ev_timer_remaining (EV_P_ ev_timer *w) 3378ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3326{ 3379{
3327 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3380 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3328} 3381}
3329 3382
3330#if EV_PERIODIC_ENABLE 3383#if EV_PERIODIC_ENABLE
3331void noinline 3384void noinline
3332ev_periodic_start (EV_P_ ev_periodic *w) 3385ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3333{ 3386{
3334 if (expect_false (ev_is_active (w))) 3387 if (expect_false (ev_is_active (w)))
3335 return; 3388 return;
3336 3389
3337 if (w->reschedule_cb) 3390 if (w->reschedule_cb)
… …
3357 3410
3358 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3411 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3359} 3412}
3360 3413
3361void noinline 3414void noinline
3362ev_periodic_stop (EV_P_ ev_periodic *w) 3415ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3363{ 3416{
3364 clear_pending (EV_A_ (W)w); 3417 clear_pending (EV_A_ (W)w);
3365 if (expect_false (!ev_is_active (w))) 3418 if (expect_false (!ev_is_active (w)))
3366 return; 3419 return;
3367 3420
… …
3385 3438
3386 EV_FREQUENT_CHECK; 3439 EV_FREQUENT_CHECK;
3387} 3440}
3388 3441
3389void noinline 3442void noinline
3390ev_periodic_again (EV_P_ ev_periodic *w) 3443ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3391{ 3444{
3392 /* TODO: use adjustheap and recalculation */ 3445 /* TODO: use adjustheap and recalculation */
3393 ev_periodic_stop (EV_A_ w); 3446 ev_periodic_stop (EV_A_ w);
3394 ev_periodic_start (EV_A_ w); 3447 ev_periodic_start (EV_A_ w);
3395} 3448}
… …
3400#endif 3453#endif
3401 3454
3402#if EV_SIGNAL_ENABLE 3455#if EV_SIGNAL_ENABLE
3403 3456
3404void noinline 3457void noinline
3405ev_signal_start (EV_P_ ev_signal *w) 3458ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3406{ 3459{
3407 if (expect_false (ev_is_active (w))) 3460 if (expect_false (ev_is_active (w)))
3408 return; 3461 return;
3409 3462
3410 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3463 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3481 3534
3482 EV_FREQUENT_CHECK; 3535 EV_FREQUENT_CHECK;
3483} 3536}
3484 3537
3485void noinline 3538void noinline
3486ev_signal_stop (EV_P_ ev_signal *w) 3539ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3487{ 3540{
3488 clear_pending (EV_A_ (W)w); 3541 clear_pending (EV_A_ (W)w);
3489 if (expect_false (!ev_is_active (w))) 3542 if (expect_false (!ev_is_active (w)))
3490 return; 3543 return;
3491 3544
… …
3522#endif 3575#endif
3523 3576
3524#if EV_CHILD_ENABLE 3577#if EV_CHILD_ENABLE
3525 3578
3526void 3579void
3527ev_child_start (EV_P_ ev_child *w) 3580ev_child_start (EV_P_ ev_child *w) EV_THROW
3528{ 3581{
3529#if EV_MULTIPLICITY 3582#if EV_MULTIPLICITY
3530 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3583 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3531#endif 3584#endif
3532 if (expect_false (ev_is_active (w))) 3585 if (expect_false (ev_is_active (w)))
… …
3539 3592
3540 EV_FREQUENT_CHECK; 3593 EV_FREQUENT_CHECK;
3541} 3594}
3542 3595
3543void 3596void
3544ev_child_stop (EV_P_ ev_child *w) 3597ev_child_stop (EV_P_ ev_child *w) EV_THROW
3545{ 3598{
3546 clear_pending (EV_A_ (W)w); 3599 clear_pending (EV_A_ (W)w);
3547 if (expect_false (!ev_is_active (w))) 3600 if (expect_false (!ev_is_active (w)))
3548 return; 3601 return;
3549 3602
… …
3716} 3769}
3717 3770
3718inline_size int 3771inline_size int
3719infy_newfd (void) 3772infy_newfd (void)
3720{ 3773{
3721#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3774#if defined IN_CLOEXEC && defined IN_NONBLOCK
3722 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3775 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3723 if (fd >= 0) 3776 if (fd >= 0)
3724 return fd; 3777 return fd;
3725#endif 3778#endif
3726 return inotify_init (); 3779 return inotify_init ();
… …
3801#else 3854#else
3802# define EV_LSTAT(p,b) lstat (p, b) 3855# define EV_LSTAT(p,b) lstat (p, b)
3803#endif 3856#endif
3804 3857
3805void 3858void
3806ev_stat_stat (EV_P_ ev_stat *w) 3859ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3807{ 3860{
3808 if (lstat (w->path, &w->attr) < 0) 3861 if (lstat (w->path, &w->attr) < 0)
3809 w->attr.st_nlink = 0; 3862 w->attr.st_nlink = 0;
3810 else if (!w->attr.st_nlink) 3863 else if (!w->attr.st_nlink)
3811 w->attr.st_nlink = 1; 3864 w->attr.st_nlink = 1;
… …
3850 ev_feed_event (EV_A_ w, EV_STAT); 3903 ev_feed_event (EV_A_ w, EV_STAT);
3851 } 3904 }
3852} 3905}
3853 3906
3854void 3907void
3855ev_stat_start (EV_P_ ev_stat *w) 3908ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3856{ 3909{
3857 if (expect_false (ev_is_active (w))) 3910 if (expect_false (ev_is_active (w)))
3858 return; 3911 return;
3859 3912
3860 ev_stat_stat (EV_A_ w); 3913 ev_stat_stat (EV_A_ w);
… …
3881 3934
3882 EV_FREQUENT_CHECK; 3935 EV_FREQUENT_CHECK;
3883} 3936}
3884 3937
3885void 3938void
3886ev_stat_stop (EV_P_ ev_stat *w) 3939ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3887{ 3940{
3888 clear_pending (EV_A_ (W)w); 3941 clear_pending (EV_A_ (W)w);
3889 if (expect_false (!ev_is_active (w))) 3942 if (expect_false (!ev_is_active (w)))
3890 return; 3943 return;
3891 3944
… …
3907} 3960}
3908#endif 3961#endif
3909 3962
3910#if EV_IDLE_ENABLE 3963#if EV_IDLE_ENABLE
3911void 3964void
3912ev_idle_start (EV_P_ ev_idle *w) 3965ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3913{ 3966{
3914 if (expect_false (ev_is_active (w))) 3967 if (expect_false (ev_is_active (w)))
3915 return; 3968 return;
3916 3969
3917 pri_adjust (EV_A_ (W)w); 3970 pri_adjust (EV_A_ (W)w);
… …
3930 3983
3931 EV_FREQUENT_CHECK; 3984 EV_FREQUENT_CHECK;
3932} 3985}
3933 3986
3934void 3987void
3935ev_idle_stop (EV_P_ ev_idle *w) 3988ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3936{ 3989{
3937 clear_pending (EV_A_ (W)w); 3990 clear_pending (EV_A_ (W)w);
3938 if (expect_false (!ev_is_active (w))) 3991 if (expect_false (!ev_is_active (w)))
3939 return; 3992 return;
3940 3993
… …
3954} 4007}
3955#endif 4008#endif
3956 4009
3957#if EV_PREPARE_ENABLE 4010#if EV_PREPARE_ENABLE
3958void 4011void
3959ev_prepare_start (EV_P_ ev_prepare *w) 4012ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3960{ 4013{
3961 if (expect_false (ev_is_active (w))) 4014 if (expect_false (ev_is_active (w)))
3962 return; 4015 return;
3963 4016
3964 EV_FREQUENT_CHECK; 4017 EV_FREQUENT_CHECK;
… …
3969 4022
3970 EV_FREQUENT_CHECK; 4023 EV_FREQUENT_CHECK;
3971} 4024}
3972 4025
3973void 4026void
3974ev_prepare_stop (EV_P_ ev_prepare *w) 4027ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3975{ 4028{
3976 clear_pending (EV_A_ (W)w); 4029 clear_pending (EV_A_ (W)w);
3977 if (expect_false (!ev_is_active (w))) 4030 if (expect_false (!ev_is_active (w)))
3978 return; 4031 return;
3979 4032
… …
3992} 4045}
3993#endif 4046#endif
3994 4047
3995#if EV_CHECK_ENABLE 4048#if EV_CHECK_ENABLE
3996void 4049void
3997ev_check_start (EV_P_ ev_check *w) 4050ev_check_start (EV_P_ ev_check *w) EV_THROW
3998{ 4051{
3999 if (expect_false (ev_is_active (w))) 4052 if (expect_false (ev_is_active (w)))
4000 return; 4053 return;
4001 4054
4002 EV_FREQUENT_CHECK; 4055 EV_FREQUENT_CHECK;
… …
4007 4060
4008 EV_FREQUENT_CHECK; 4061 EV_FREQUENT_CHECK;
4009} 4062}
4010 4063
4011void 4064void
4012ev_check_stop (EV_P_ ev_check *w) 4065ev_check_stop (EV_P_ ev_check *w) EV_THROW
4013{ 4066{
4014 clear_pending (EV_A_ (W)w); 4067 clear_pending (EV_A_ (W)w);
4015 if (expect_false (!ev_is_active (w))) 4068 if (expect_false (!ev_is_active (w)))
4016 return; 4069 return;
4017 4070
… …
4030} 4083}
4031#endif 4084#endif
4032 4085
4033#if EV_EMBED_ENABLE 4086#if EV_EMBED_ENABLE
4034void noinline 4087void noinline
4035ev_embed_sweep (EV_P_ ev_embed *w) 4088ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4036{ 4089{
4037 ev_run (w->other, EVRUN_NOWAIT); 4090 ev_run (w->other, EVRUN_NOWAIT);
4038} 4091}
4039 4092
4040static void 4093static void
… …
4088 ev_idle_stop (EV_A_ idle); 4141 ev_idle_stop (EV_A_ idle);
4089} 4142}
4090#endif 4143#endif
4091 4144
4092void 4145void
4093ev_embed_start (EV_P_ ev_embed *w) 4146ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4094{ 4147{
4095 if (expect_false (ev_is_active (w))) 4148 if (expect_false (ev_is_active (w)))
4096 return; 4149 return;
4097 4150
4098 { 4151 {
… …
4119 4172
4120 EV_FREQUENT_CHECK; 4173 EV_FREQUENT_CHECK;
4121} 4174}
4122 4175
4123void 4176void
4124ev_embed_stop (EV_P_ ev_embed *w) 4177ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4125{ 4178{
4126 clear_pending (EV_A_ (W)w); 4179 clear_pending (EV_A_ (W)w);
4127 if (expect_false (!ev_is_active (w))) 4180 if (expect_false (!ev_is_active (w)))
4128 return; 4181 return;
4129 4182
… …
4139} 4192}
4140#endif 4193#endif
4141 4194
4142#if EV_FORK_ENABLE 4195#if EV_FORK_ENABLE
4143void 4196void
4144ev_fork_start (EV_P_ ev_fork *w) 4197ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4145{ 4198{
4146 if (expect_false (ev_is_active (w))) 4199 if (expect_false (ev_is_active (w)))
4147 return; 4200 return;
4148 4201
4149 EV_FREQUENT_CHECK; 4202 EV_FREQUENT_CHECK;
… …
4154 4207
4155 EV_FREQUENT_CHECK; 4208 EV_FREQUENT_CHECK;
4156} 4209}
4157 4210
4158void 4211void
4159ev_fork_stop (EV_P_ ev_fork *w) 4212ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4160{ 4213{
4161 clear_pending (EV_A_ (W)w); 4214 clear_pending (EV_A_ (W)w);
4162 if (expect_false (!ev_is_active (w))) 4215 if (expect_false (!ev_is_active (w)))
4163 return; 4216 return;
4164 4217
… …
4177} 4230}
4178#endif 4231#endif
4179 4232
4180#if EV_CLEANUP_ENABLE 4233#if EV_CLEANUP_ENABLE
4181void 4234void
4182ev_cleanup_start (EV_P_ ev_cleanup *w) 4235ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4183{ 4236{
4184 if (expect_false (ev_is_active (w))) 4237 if (expect_false (ev_is_active (w)))
4185 return; 4238 return;
4186 4239
4187 EV_FREQUENT_CHECK; 4240 EV_FREQUENT_CHECK;
… …
4194 ev_unref (EV_A); 4247 ev_unref (EV_A);
4195 EV_FREQUENT_CHECK; 4248 EV_FREQUENT_CHECK;
4196} 4249}
4197 4250
4198void 4251void
4199ev_cleanup_stop (EV_P_ ev_cleanup *w) 4252ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4200{ 4253{
4201 clear_pending (EV_A_ (W)w); 4254 clear_pending (EV_A_ (W)w);
4202 if (expect_false (!ev_is_active (w))) 4255 if (expect_false (!ev_is_active (w)))
4203 return; 4256 return;
4204 4257
… …
4218} 4271}
4219#endif 4272#endif
4220 4273
4221#if EV_ASYNC_ENABLE 4274#if EV_ASYNC_ENABLE
4222void 4275void
4223ev_async_start (EV_P_ ev_async *w) 4276ev_async_start (EV_P_ ev_async *w) EV_THROW
4224{ 4277{
4225 if (expect_false (ev_is_active (w))) 4278 if (expect_false (ev_is_active (w)))
4226 return; 4279 return;
4227 4280
4228 w->sent = 0; 4281 w->sent = 0;
… …
4237 4290
4238 EV_FREQUENT_CHECK; 4291 EV_FREQUENT_CHECK;
4239} 4292}
4240 4293
4241void 4294void
4242ev_async_stop (EV_P_ ev_async *w) 4295ev_async_stop (EV_P_ ev_async *w) EV_THROW
4243{ 4296{
4244 clear_pending (EV_A_ (W)w); 4297 clear_pending (EV_A_ (W)w);
4245 if (expect_false (!ev_is_active (w))) 4298 if (expect_false (!ev_is_active (w)))
4246 return; 4299 return;
4247 4300
… …
4258 4311
4259 EV_FREQUENT_CHECK; 4312 EV_FREQUENT_CHECK;
4260} 4313}
4261 4314
4262void 4315void
4263ev_async_send (EV_P_ ev_async *w) 4316ev_async_send (EV_P_ ev_async *w) EV_THROW
4264{ 4317{
4265 w->sent = 1; 4318 w->sent = 1;
4266 evpipe_write (EV_A_ &async_pending); 4319 evpipe_write (EV_A_ &async_pending);
4267} 4320}
4268#endif 4321#endif
… …
4305 4358
4306 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4359 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4307} 4360}
4308 4361
4309void 4362void
4310ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4363ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4311{ 4364{
4312 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4365 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4313 4366
4314 if (expect_false (!once)) 4367 if (expect_false (!once))
4315 { 4368 {
… …
4337 4390
4338/*****************************************************************************/ 4391/*****************************************************************************/
4339 4392
4340#if EV_WALK_ENABLE 4393#if EV_WALK_ENABLE
4341void ecb_cold 4394void ecb_cold
4342ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4395ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4343{ 4396{
4344 int i, j; 4397 int i, j;
4345 ev_watcher_list *wl, *wn; 4398 ev_watcher_list *wl, *wn;
4346 4399
4347 if (types & (EV_IO | EV_EMBED)) 4400 if (types & (EV_IO | EV_EMBED))

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