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Comparing libev/ev.c (file contents):
Revision 1.403 by root, Wed Jan 18 12:13:14 2012 UTC vs.
Revision 1.429 by root, Tue May 8 15:50:49 2012 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
59# endif 59# endif
60# ifndef EV_USE_MONOTONIC 60# ifndef EV_USE_MONOTONIC
61# define EV_USE_MONOTONIC 1 61# define EV_USE_MONOTONIC 1
62# endif 62# endif
63# endif 63# endif
64# elif !defined(EV_USE_CLOCK_SYSCALL) 64# elif !defined EV_USE_CLOCK_SYSCALL
65# define EV_USE_CLOCK_SYSCALL 0 65# define EV_USE_CLOCK_SYSCALL 0
66# endif 66# endif
67 67
68# if HAVE_CLOCK_GETTIME 68# if HAVE_CLOCK_GETTIME
69# ifndef EV_USE_MONOTONIC 69# ifndef EV_USE_MONOTONIC
… …
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
193# include <io.h> 204# include <io.h>
194# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
195# include <windows.h> 206# include <windows.h>
207# include <winsock2.h>
196# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
197# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
198# endif 210# endif
199# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
200#endif 212#endif
… …
208#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
209 221
210/* this block tries to deduce configuration from header-defined symbols and defaults */ 222/* this block tries to deduce configuration from header-defined symbols and defaults */
211 223
212/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
213#if defined (EV_NSIG) 225#if defined EV_NSIG
214/* use what's provided */ 226/* use what's provided */
215#elif defined (NSIG) 227#elif defined NSIG
216# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
217#elif defined(_NSIG) 229#elif defined _NSIG
218# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
219#elif defined (SIGMAX) 231#elif defined SIGMAX
220# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
221#elif defined (SIG_MAX) 233#elif defined SIG_MAX
222# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
223#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
224# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
225#elif defined (MAXSIG) 237#elif defined MAXSIG
226# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
227#elif defined (MAX_SIG) 239#elif defined MAX_SIG
228# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
229#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
230# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
231#elif defined (_sys_nsig) 243#elif defined _sys_nsig
232# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
233#else 245#else
234# error "unable to find value for NSIG, please report" 246# error "unable to find value for NSIG, please report"
235/* to make it compile regardless, just remove the above line, */ 247/* to make it compile regardless, just remove the above line, */
236/* but consider reporting it, too! :) */ 248/* but consider reporting it, too! :) */
… …
248# define EV_USE_CLOCK_SYSCALL 0 260# define EV_USE_CLOCK_SYSCALL 0
249# endif 261# endif
250#endif 262#endif
251 263
252#ifndef EV_USE_MONOTONIC 264#ifndef EV_USE_MONOTONIC
253# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 265# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
254# define EV_USE_MONOTONIC EV_FEATURE_OS 266# define EV_USE_MONOTONIC EV_FEATURE_OS
255# else 267# else
256# define EV_USE_MONOTONIC 0 268# define EV_USE_MONOTONIC 0
257# endif 269# endif
258#endif 270#endif
… …
348#endif 360#endif
349 361
350/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 362/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
351/* which makes programs even slower. might work on other unices, too. */ 363/* which makes programs even slower. might work on other unices, too. */
352#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
353# include <syscall.h> 365# include <sys/syscall.h>
354# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
355# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
357# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
358# else 370# else
… …
384# define EV_USE_INOTIFY 0 396# define EV_USE_INOTIFY 0
385#endif 397#endif
386 398
387#if !EV_USE_NANOSLEEP 399#if !EV_USE_NANOSLEEP
388/* hp-ux has it in sys/time.h, which we unconditionally include above */ 400/* hp-ux has it in sys/time.h, which we unconditionally include above */
389# if !defined(_WIN32) && !defined(__hpux) 401# if !defined _WIN32 && !defined __hpux
390# include <sys/select.h> 402# include <sys/select.h>
391# endif 403# endif
392#endif 404#endif
393 405
394#if EV_USE_INOTIFY 406#if EV_USE_INOTIFY
… …
522 * or so. 534 * or so.
523 * we try to detect these and simply assume they are not gcc - if they have 535 * we try to detect these and simply assume they are not gcc - if they have
524 * an issue with that they should have done it right in the first place. 536 * an issue with that they should have done it right in the first place.
525 */ 537 */
526#ifndef ECB_GCC_VERSION 538#ifndef ECB_GCC_VERSION
527 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 539 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
528 #define ECB_GCC_VERSION(major,minor) 0 540 #define ECB_GCC_VERSION(major,minor) 0
529 #else 541 #else
530 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 542 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
531 #endif 543 #endif
532#endif 544#endif
… …
534/*****************************************************************************/ 546/*****************************************************************************/
535 547
536/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ 548/* 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 */ 549/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538 550
551#if ECB_NO_THREADS
552# define ECB_NO_SMP 1
553#endif
554
539#if ECB_NO_THREADS || ECB_NO_SMP 555#if ECB_NO_THREADS || ECB_NO_SMP
540 #define ECB_MEMORY_FENCE do { } while (0) 556 #define ECB_MEMORY_FENCE do { } while (0)
541#endif 557#endif
542 558
543#ifndef ECB_MEMORY_FENCE 559#ifndef ECB_MEMORY_FENCE
544 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) || __SUNPRO_C >= 0x5110 || __SUNPRO_xC >= 0x5110 560 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545 #if __i386__ 561 #if __i386 || __i386__
546 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
547 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ 563 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
548 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ 564 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
549 #elif __amd64 565 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
550 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 566 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 567 #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 */ 568 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
553 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 569 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 570 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 571 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 572 || 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") 573 #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__ ) \ 574 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 575 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 576 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
561 #elif defined(__sparc) 577 #elif __sparc || __sparc__
562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #StoreLoad | #LoadLoad | #StoreStore" : : : "memory") 578 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
563 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadLoad" : : : "memory") 579 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
564 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #StoreStore") 580 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
581 #elif defined __s390__ || defined __s390x__
582 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
583 #elif defined __mips__
584 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
585 #elif defined __alpha__
586 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
565 #endif 587 #endif
566 #endif 588 #endif
567#endif 589#endif
568 590
569#ifndef ECB_MEMORY_FENCE 591#ifndef ECB_MEMORY_FENCE
570 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 592 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
571 #define ECB_MEMORY_FENCE __sync_synchronize () 593 #define ECB_MEMORY_FENCE __sync_synchronize ()
572 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ 594 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
573 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ 595 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
574 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 596 #elif _MSC_VER >= 1400 /* VC++ 2005 */
575 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 597 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
576 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 598 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
577 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 599 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
578 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 600 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
579 #elif defined(_WIN32) 601 #elif defined _WIN32
580 #include <WinNT.h> 602 #include <WinNT.h>
581 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 603 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
582 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 604 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
583 #include <mbarrier.h> 605 #include <mbarrier.h>
584 #define ECB_MEMORY_FENCE __machine_rw_barrier () 606 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
585 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 607 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
586 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 608 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
609 #elif __xlC__
610 #define ECB_MEMORY_FENCE __sync ()
587 #endif 611 #endif
588#endif 612#endif
589 613
590#ifndef ECB_MEMORY_FENCE 614#ifndef ECB_MEMORY_FENCE
591 #if !ECB_AVOID_PTHREADS 615 #if !ECB_AVOID_PTHREADS
… …
603 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 627 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) 628 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
605 #endif 629 #endif
606#endif 630#endif
607 631
608#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
609 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
610#endif 634#endif
611 635
612#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 636#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
613 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 637 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
614#endif 638#endif
615 639
616/*****************************************************************************/ 640/*****************************************************************************/
617 641
… …
854 878
855#if ECB_GCC_VERSION(4,5) 879#if ECB_GCC_VERSION(4,5)
856 #define ecb_unreachable() __builtin_unreachable () 880 #define ecb_unreachable() __builtin_unreachable ()
857#else 881#else
858 /* this seems to work fine, but gcc always emits a warning for it :/ */ 882 /* this seems to work fine, but gcc always emits a warning for it :/ */
859 ecb_function_ void ecb_unreachable (void) ecb_noreturn; 883 ecb_inline void ecb_unreachable (void) ecb_noreturn;
860 ecb_function_ void ecb_unreachable (void) { } 884 ecb_inline void ecb_unreachable (void) { }
861#endif 885#endif
862 886
863/* try to tell the compiler that some condition is definitely true */ 887/* try to tell the compiler that some condition is definitely true */
864#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) 888#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
865 889
866ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; 890ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
867ecb_function_ unsigned char 891ecb_inline unsigned char
868ecb_byteorder_helper (void) 892ecb_byteorder_helper (void)
869{ 893{
870 const uint32_t u = 0x11223344; 894 const uint32_t u = 0x11223344;
871 return *(unsigned char *)&u; 895 return *(unsigned char *)&u;
872} 896}
873 897
874ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; 898ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
875ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } 899ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
876ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; 900ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
877ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } 901ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
878 902
879#if ECB_GCC_VERSION(3,0) || ECB_C99 903#if ECB_GCC_VERSION(3,0) || ECB_C99
880 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 904 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
881#else 905#else
882 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 906 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
… …
1082{ 1106{
1083 write (STDERR_FILENO, msg, strlen (msg)); 1107 write (STDERR_FILENO, msg, strlen (msg));
1084} 1108}
1085#endif 1109#endif
1086 1110
1087static void (*syserr_cb)(const char *msg); 1111static void (*syserr_cb)(const char *msg) EV_THROW;
1088 1112
1089void ecb_cold 1113void ecb_cold
1090ev_set_syserr_cb (void (*cb)(const char *msg)) 1114ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
1091{ 1115{
1092 syserr_cb = cb; 1116 syserr_cb = cb;
1093} 1117}
1094 1118
1095static void noinline ecb_cold 1119static void noinline ecb_cold
… …
1131 free (ptr); 1155 free (ptr);
1132 return 0; 1156 return 0;
1133#endif 1157#endif
1134} 1158}
1135 1159
1136static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1160static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1137 1161
1138void ecb_cold 1162void ecb_cold
1139ev_set_allocator (void *(*cb)(void *ptr, long size)) 1163ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
1140{ 1164{
1141 alloc = cb; 1165 alloc = cb;
1142} 1166}
1143 1167
1144inline_speed void * 1168inline_speed void *
… …
1261 1285
1262/*****************************************************************************/ 1286/*****************************************************************************/
1263 1287
1264#ifndef EV_HAVE_EV_TIME 1288#ifndef EV_HAVE_EV_TIME
1265ev_tstamp 1289ev_tstamp
1266ev_time (void) 1290ev_time (void) EV_THROW
1267{ 1291{
1268#if EV_USE_REALTIME 1292#if EV_USE_REALTIME
1269 if (expect_true (have_realtime)) 1293 if (expect_true (have_realtime))
1270 { 1294 {
1271 struct timespec ts; 1295 struct timespec ts;
… …
1295 return ev_time (); 1319 return ev_time ();
1296} 1320}
1297 1321
1298#if EV_MULTIPLICITY 1322#if EV_MULTIPLICITY
1299ev_tstamp 1323ev_tstamp
1300ev_now (EV_P) 1324ev_now (EV_P) EV_THROW
1301{ 1325{
1302 return ev_rt_now; 1326 return ev_rt_now;
1303} 1327}
1304#endif 1328#endif
1305 1329
1306void 1330void
1307ev_sleep (ev_tstamp delay) 1331ev_sleep (ev_tstamp delay) EV_THROW
1308{ 1332{
1309 if (delay > 0.) 1333 if (delay > 0.)
1310 { 1334 {
1311#if EV_USE_NANOSLEEP 1335#if EV_USE_NANOSLEEP
1312 struct timespec ts; 1336 struct timespec ts;
1313 1337
1314 EV_TS_SET (ts, delay); 1338 EV_TS_SET (ts, delay);
1315 nanosleep (&ts, 0); 1339 nanosleep (&ts, 0);
1316#elif defined(_WIN32) 1340#elif defined _WIN32
1317 Sleep ((unsigned long)(delay * 1e3)); 1341 Sleep ((unsigned long)(delay * 1e3));
1318#else 1342#else
1319 struct timeval tv; 1343 struct timeval tv;
1320 1344
1321 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1345 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
1393pendingcb (EV_P_ ev_prepare *w, int revents) 1417pendingcb (EV_P_ ev_prepare *w, int revents)
1394{ 1418{
1395} 1419}
1396 1420
1397void noinline 1421void noinline
1398ev_feed_event (EV_P_ void *w, int revents) 1422ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1399{ 1423{
1400 W w_ = (W)w; 1424 W w_ = (W)w;
1401 int pri = ABSPRI (w_); 1425 int pri = ABSPRI (w_);
1402 1426
1403 if (expect_false (w_->pending)) 1427 if (expect_false (w_->pending))
… …
1407 w_->pending = ++pendingcnt [pri]; 1431 w_->pending = ++pendingcnt [pri];
1408 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1432 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1409 pendings [pri][w_->pending - 1].w = w_; 1433 pendings [pri][w_->pending - 1].w = w_;
1410 pendings [pri][w_->pending - 1].events = revents; 1434 pendings [pri][w_->pending - 1].events = revents;
1411 } 1435 }
1436
1437 pendingpri = NUMPRI - 1;
1412} 1438}
1413 1439
1414inline_speed void 1440inline_speed void
1415feed_reverse (EV_P_ W w) 1441feed_reverse (EV_P_ W w)
1416{ 1442{
… …
1462 if (expect_true (!anfd->reify)) 1488 if (expect_true (!anfd->reify))
1463 fd_event_nocheck (EV_A_ fd, revents); 1489 fd_event_nocheck (EV_A_ fd, revents);
1464} 1490}
1465 1491
1466void 1492void
1467ev_feed_fd_event (EV_P_ int fd, int revents) 1493ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1468{ 1494{
1469 if (fd >= 0 && fd < anfdmax) 1495 if (fd >= 0 && fd < anfdmax)
1470 fd_event_nocheck (EV_A_ fd, revents); 1496 fd_event_nocheck (EV_A_ fd, revents);
1471} 1497}
1472 1498
… …
1821} 1847}
1822 1848
1823inline_speed void 1849inline_speed void
1824evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1850evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1825{ 1851{
1852 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1853
1826 if (expect_true (*flag)) 1854 if (expect_true (*flag))
1827 return; 1855 return;
1828 1856
1829 *flag = 1; 1857 *flag = 1;
1830 1858
… …
1849 write (evfd, &counter, sizeof (uint64_t)); 1877 write (evfd, &counter, sizeof (uint64_t));
1850 } 1878 }
1851 else 1879 else
1852#endif 1880#endif
1853 { 1881 {
1854 /* win32 people keep sending patches that change this write() to send() */ 1882#ifdef _WIN32
1855 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1883 WSABUF buf;
1856 /* so when you think this write should be a send instead, please find out */ 1884 DWORD sent;
1857 /* where your send() is from - it's definitely not the microsoft send, and */ 1885 buf.buf = &buf;
1858 /* tell me. thank you. */ 1886 buf.len = 1;
1887 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1888#else
1859 write (evpipe [1], &(evpipe [1]), 1); 1889 write (evpipe [1], &(evpipe [1]), 1);
1890#endif
1860 } 1891 }
1861 1892
1862 errno = old_errno; 1893 errno = old_errno;
1863 } 1894 }
1864} 1895}
… …
1879 read (evfd, &counter, sizeof (uint64_t)); 1910 read (evfd, &counter, sizeof (uint64_t));
1880 } 1911 }
1881 else 1912 else
1882#endif 1913#endif
1883 { 1914 {
1884 char dummy; 1915 char dummy[4];
1885 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1916#ifdef _WIN32
1917 WSABUF buf;
1918 DWORD recvd;
1919 buf.buf = dummy;
1920 buf.len = sizeof (dummy);
1921 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0);
1922#else
1886 read (evpipe [0], &dummy, 1); 1923 read (evpipe [0], &dummy, sizeof (dummy));
1924#endif
1887 } 1925 }
1888 } 1926 }
1889 1927
1890 pipe_write_skipped = 0; 1928 pipe_write_skipped = 0;
1929
1930 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1891 1931
1892#if EV_SIGNAL_ENABLE 1932#if EV_SIGNAL_ENABLE
1893 if (sig_pending) 1933 if (sig_pending)
1894 { 1934 {
1895 sig_pending = 0; 1935 sig_pending = 0;
1936
1937 ECB_MEMORY_FENCE_RELEASE;
1896 1938
1897 for (i = EV_NSIG - 1; i--; ) 1939 for (i = EV_NSIG - 1; i--; )
1898 if (expect_false (signals [i].pending)) 1940 if (expect_false (signals [i].pending))
1899 ev_feed_signal_event (EV_A_ i + 1); 1941 ev_feed_signal_event (EV_A_ i + 1);
1900 } 1942 }
… …
1902 1944
1903#if EV_ASYNC_ENABLE 1945#if EV_ASYNC_ENABLE
1904 if (async_pending) 1946 if (async_pending)
1905 { 1947 {
1906 async_pending = 0; 1948 async_pending = 0;
1949
1950 ECB_MEMORY_FENCE_RELEASE;
1907 1951
1908 for (i = asynccnt; i--; ) 1952 for (i = asynccnt; i--; )
1909 if (asyncs [i]->sent) 1953 if (asyncs [i]->sent)
1910 { 1954 {
1911 asyncs [i]->sent = 0; 1955 asyncs [i]->sent = 0;
… …
1916} 1960}
1917 1961
1918/*****************************************************************************/ 1962/*****************************************************************************/
1919 1963
1920void 1964void
1921ev_feed_signal (int signum) 1965ev_feed_signal (int signum) EV_THROW
1922{ 1966{
1923#if EV_MULTIPLICITY 1967#if EV_MULTIPLICITY
1924 EV_P = signals [signum - 1].loop; 1968 EV_P = signals [signum - 1].loop;
1925 1969
1926 if (!EV_A) 1970 if (!EV_A)
… …
1943 1987
1944 ev_feed_signal (signum); 1988 ev_feed_signal (signum);
1945} 1989}
1946 1990
1947void noinline 1991void noinline
1948ev_feed_signal_event (EV_P_ int signum) 1992ev_feed_signal_event (EV_P_ int signum) EV_THROW
1949{ 1993{
1950 WL w; 1994 WL w;
1951 1995
1952 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1996 if (expect_false (signum <= 0 || signum > EV_NSIG))
1953 return; 1997 return;
… …
2069#if EV_USE_SELECT 2113#if EV_USE_SELECT
2070# include "ev_select.c" 2114# include "ev_select.c"
2071#endif 2115#endif
2072 2116
2073int ecb_cold 2117int ecb_cold
2074ev_version_major (void) 2118ev_version_major (void) EV_THROW
2075{ 2119{
2076 return EV_VERSION_MAJOR; 2120 return EV_VERSION_MAJOR;
2077} 2121}
2078 2122
2079int ecb_cold 2123int ecb_cold
2080ev_version_minor (void) 2124ev_version_minor (void) EV_THROW
2081{ 2125{
2082 return EV_VERSION_MINOR; 2126 return EV_VERSION_MINOR;
2083} 2127}
2084 2128
2085/* return true if we are running with elevated privileges and should ignore env variables */ 2129/* return true if we are running with elevated privileges and should ignore env variables */
… …
2093 || getgid () != getegid (); 2137 || getgid () != getegid ();
2094#endif 2138#endif
2095} 2139}
2096 2140
2097unsigned int ecb_cold 2141unsigned int ecb_cold
2098ev_supported_backends (void) 2142ev_supported_backends (void) EV_THROW
2099{ 2143{
2100 unsigned int flags = 0; 2144 unsigned int flags = 0;
2101 2145
2102 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2146 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2103 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2147 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2107 2151
2108 return flags; 2152 return flags;
2109} 2153}
2110 2154
2111unsigned int ecb_cold 2155unsigned int ecb_cold
2112ev_recommended_backends (void) 2156ev_recommended_backends (void) EV_THROW
2113{ 2157{
2114 unsigned int flags = ev_supported_backends (); 2158 unsigned int flags = ev_supported_backends ();
2115 2159
2116#ifndef __NetBSD__ 2160#ifndef __NetBSD__
2117 /* kqueue is borked on everything but netbsd apparently */ 2161 /* kqueue is borked on everything but netbsd apparently */
… …
2129 2173
2130 return flags; 2174 return flags;
2131} 2175}
2132 2176
2133unsigned int ecb_cold 2177unsigned int ecb_cold
2134ev_embeddable_backends (void) 2178ev_embeddable_backends (void) EV_THROW
2135{ 2179{
2136 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2180 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2137 2181
2138 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2182 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2139 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2183 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2141 2185
2142 return flags; 2186 return flags;
2143} 2187}
2144 2188
2145unsigned int 2189unsigned int
2146ev_backend (EV_P) 2190ev_backend (EV_P) EV_THROW
2147{ 2191{
2148 return backend; 2192 return backend;
2149} 2193}
2150 2194
2151#if EV_FEATURE_API 2195#if EV_FEATURE_API
2152unsigned int 2196unsigned int
2153ev_iteration (EV_P) 2197ev_iteration (EV_P) EV_THROW
2154{ 2198{
2155 return loop_count; 2199 return loop_count;
2156} 2200}
2157 2201
2158unsigned int 2202unsigned int
2159ev_depth (EV_P) 2203ev_depth (EV_P) EV_THROW
2160{ 2204{
2161 return loop_depth; 2205 return loop_depth;
2162} 2206}
2163 2207
2164void 2208void
2165ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2209ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2166{ 2210{
2167 io_blocktime = interval; 2211 io_blocktime = interval;
2168} 2212}
2169 2213
2170void 2214void
2171ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2215ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2172{ 2216{
2173 timeout_blocktime = interval; 2217 timeout_blocktime = interval;
2174} 2218}
2175 2219
2176void 2220void
2177ev_set_userdata (EV_P_ void *data) 2221ev_set_userdata (EV_P_ void *data) EV_THROW
2178{ 2222{
2179 userdata = data; 2223 userdata = data;
2180} 2224}
2181 2225
2182void * 2226void *
2183ev_userdata (EV_P) 2227ev_userdata (EV_P) EV_THROW
2184{ 2228{
2185 return userdata; 2229 return userdata;
2186} 2230}
2187 2231
2188void 2232void
2189ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2233ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2190{ 2234{
2191 invoke_cb = invoke_pending_cb; 2235 invoke_cb = invoke_pending_cb;
2192} 2236}
2193 2237
2194void 2238void
2195ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2239ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2196{ 2240{
2197 release_cb = release; 2241 release_cb = release;
2198 acquire_cb = acquire; 2242 acquire_cb = acquire;
2199} 2243}
2200#endif 2244#endif
2201 2245
2202/* initialise a loop structure, must be zero-initialised */ 2246/* initialise a loop structure, must be zero-initialised */
2203static void noinline ecb_cold 2247static void noinline ecb_cold
2204loop_init (EV_P_ unsigned int flags) 2248loop_init (EV_P_ unsigned int flags) EV_THROW
2205{ 2249{
2206 if (!backend) 2250 if (!backend)
2207 { 2251 {
2208 origflags = flags; 2252 origflags = flags;
2209 2253
… …
2462} 2506}
2463 2507
2464#if EV_MULTIPLICITY 2508#if EV_MULTIPLICITY
2465 2509
2466struct ev_loop * ecb_cold 2510struct ev_loop * ecb_cold
2467ev_loop_new (unsigned int flags) 2511ev_loop_new (unsigned int flags) EV_THROW
2468{ 2512{
2469 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2513 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2470 2514
2471 memset (EV_A, 0, sizeof (struct ev_loop)); 2515 memset (EV_A, 0, sizeof (struct ev_loop));
2472 loop_init (EV_A_ flags); 2516 loop_init (EV_A_ flags);
… …
2516} 2560}
2517#endif 2561#endif
2518 2562
2519#if EV_FEATURE_API 2563#if EV_FEATURE_API
2520void ecb_cold 2564void ecb_cold
2521ev_verify (EV_P) 2565ev_verify (EV_P) EV_THROW
2522{ 2566{
2523#if EV_VERIFY 2567#if EV_VERIFY
2524 int i; 2568 int i;
2525 WL w; 2569 WL w, w2;
2526 2570
2527 assert (activecnt >= -1); 2571 assert (activecnt >= -1);
2528 2572
2529 assert (fdchangemax >= fdchangecnt); 2573 assert (fdchangemax >= fdchangecnt);
2530 for (i = 0; i < fdchangecnt; ++i) 2574 for (i = 0; i < fdchangecnt; ++i)
2531 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2575 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2532 2576
2533 assert (anfdmax >= 0); 2577 assert (anfdmax >= 0);
2534 for (i = 0; i < anfdmax; ++i) 2578 for (i = 0; i < anfdmax; ++i)
2579 {
2580 int j = 0;
2581
2535 for (w = anfds [i].head; w; w = w->next) 2582 for (w = w2 = anfds [i].head; w; w = w->next)
2536 { 2583 {
2537 verify_watcher (EV_A_ (W)w); 2584 verify_watcher (EV_A_ (W)w);
2585
2586 if (j++ & 1)
2587 {
2588 assert (("libev: io watcher list contains a loop", w != w2));
2589 w2 = w2->next;
2590 }
2591
2538 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2592 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2539 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2593 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2540 } 2594 }
2595 }
2541 2596
2542 assert (timermax >= timercnt); 2597 assert (timermax >= timercnt);
2543 verify_heap (EV_A_ timers, timercnt); 2598 verify_heap (EV_A_ timers, timercnt);
2544 2599
2545#if EV_PERIODIC_ENABLE 2600#if EV_PERIODIC_ENABLE
… …
2595#if EV_MULTIPLICITY 2650#if EV_MULTIPLICITY
2596struct ev_loop * ecb_cold 2651struct ev_loop * ecb_cold
2597#else 2652#else
2598int 2653int
2599#endif 2654#endif
2600ev_default_loop (unsigned int flags) 2655ev_default_loop (unsigned int flags) EV_THROW
2601{ 2656{
2602 if (!ev_default_loop_ptr) 2657 if (!ev_default_loop_ptr)
2603 { 2658 {
2604#if EV_MULTIPLICITY 2659#if EV_MULTIPLICITY
2605 EV_P = ev_default_loop_ptr = &default_loop_struct; 2660 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2624 2679
2625 return ev_default_loop_ptr; 2680 return ev_default_loop_ptr;
2626} 2681}
2627 2682
2628void 2683void
2629ev_loop_fork (EV_P) 2684ev_loop_fork (EV_P) EV_THROW
2630{ 2685{
2631 postfork = 1; /* must be in line with ev_default_fork */ 2686 postfork = 1; /* must be in line with ev_default_fork */
2632} 2687}
2633 2688
2634/*****************************************************************************/ 2689/*****************************************************************************/
… …
2638{ 2693{
2639 EV_CB_INVOKE ((W)w, revents); 2694 EV_CB_INVOKE ((W)w, revents);
2640} 2695}
2641 2696
2642unsigned int 2697unsigned int
2643ev_pending_count (EV_P) 2698ev_pending_count (EV_P) EV_THROW
2644{ 2699{
2645 int pri; 2700 int pri;
2646 unsigned int count = 0; 2701 unsigned int count = 0;
2647 2702
2648 for (pri = NUMPRI; pri--; ) 2703 for (pri = NUMPRI; pri--; )
… …
2652} 2707}
2653 2708
2654void noinline 2709void noinline
2655ev_invoke_pending (EV_P) 2710ev_invoke_pending (EV_P)
2656{ 2711{
2657 int pri; 2712 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2658
2659 for (pri = NUMPRI; pri--; )
2660 while (pendingcnt [pri]) 2713 while (pendingcnt [pendingpri])
2661 { 2714 {
2662 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2715 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2663 2716
2664 p->w->pending = 0; 2717 p->w->pending = 0;
2665 EV_CB_INVOKE (p->w, p->events); 2718 EV_CB_INVOKE (p->w, p->events);
2666 EV_FREQUENT_CHECK; 2719 EV_FREQUENT_CHECK;
2667 } 2720 }
… …
2907 2960
2908 mn_now = ev_rt_now; 2961 mn_now = ev_rt_now;
2909 } 2962 }
2910} 2963}
2911 2964
2912void 2965int
2913ev_run (EV_P_ int flags) 2966ev_run (EV_P_ int flags)
2914{ 2967{
2915#if EV_FEATURE_API 2968#if EV_FEATURE_API
2916 ++loop_depth; 2969 ++loop_depth;
2917#endif 2970#endif
… …
3074 loop_done = EVBREAK_CANCEL; 3127 loop_done = EVBREAK_CANCEL;
3075 3128
3076#if EV_FEATURE_API 3129#if EV_FEATURE_API
3077 --loop_depth; 3130 --loop_depth;
3078#endif 3131#endif
3132
3133 return activecnt;
3079} 3134}
3080 3135
3081void 3136void
3082ev_break (EV_P_ int how) 3137ev_break (EV_P_ int how) EV_THROW
3083{ 3138{
3084 loop_done = how; 3139 loop_done = how;
3085} 3140}
3086 3141
3087void 3142void
3088ev_ref (EV_P) 3143ev_ref (EV_P) EV_THROW
3089{ 3144{
3090 ++activecnt; 3145 ++activecnt;
3091} 3146}
3092 3147
3093void 3148void
3094ev_unref (EV_P) 3149ev_unref (EV_P) EV_THROW
3095{ 3150{
3096 --activecnt; 3151 --activecnt;
3097} 3152}
3098 3153
3099void 3154void
3100ev_now_update (EV_P) 3155ev_now_update (EV_P) EV_THROW
3101{ 3156{
3102 time_update (EV_A_ 1e100); 3157 time_update (EV_A_ 1e100);
3103} 3158}
3104 3159
3105void 3160void
3106ev_suspend (EV_P) 3161ev_suspend (EV_P) EV_THROW
3107{ 3162{
3108 ev_now_update (EV_A); 3163 ev_now_update (EV_A);
3109} 3164}
3110 3165
3111void 3166void
3112ev_resume (EV_P) 3167ev_resume (EV_P) EV_THROW
3113{ 3168{
3114 ev_tstamp mn_prev = mn_now; 3169 ev_tstamp mn_prev = mn_now;
3115 3170
3116 ev_now_update (EV_A); 3171 ev_now_update (EV_A);
3117 timers_reschedule (EV_A_ mn_now - mn_prev); 3172 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3156 w->pending = 0; 3211 w->pending = 0;
3157 } 3212 }
3158} 3213}
3159 3214
3160int 3215int
3161ev_clear_pending (EV_P_ void *w) 3216ev_clear_pending (EV_P_ void *w) EV_THROW
3162{ 3217{
3163 W w_ = (W)w; 3218 W w_ = (W)w;
3164 int pending = w_->pending; 3219 int pending = w_->pending;
3165 3220
3166 if (expect_true (pending)) 3221 if (expect_true (pending))
… …
3199} 3254}
3200 3255
3201/*****************************************************************************/ 3256/*****************************************************************************/
3202 3257
3203void noinline 3258void noinline
3204ev_io_start (EV_P_ ev_io *w) 3259ev_io_start (EV_P_ ev_io *w) EV_THROW
3205{ 3260{
3206 int fd = w->fd; 3261 int fd = w->fd;
3207 3262
3208 if (expect_false (ev_is_active (w))) 3263 if (expect_false (ev_is_active (w)))
3209 return; 3264 return;
… …
3215 3270
3216 ev_start (EV_A_ (W)w, 1); 3271 ev_start (EV_A_ (W)w, 1);
3217 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3272 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3218 wlist_add (&anfds[fd].head, (WL)w); 3273 wlist_add (&anfds[fd].head, (WL)w);
3219 3274
3275 /* common bug, apparently */
3276 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3277
3220 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3278 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3221 w->events &= ~EV__IOFDSET; 3279 w->events &= ~EV__IOFDSET;
3222 3280
3223 EV_FREQUENT_CHECK; 3281 EV_FREQUENT_CHECK;
3224} 3282}
3225 3283
3226void noinline 3284void noinline
3227ev_io_stop (EV_P_ ev_io *w) 3285ev_io_stop (EV_P_ ev_io *w) EV_THROW
3228{ 3286{
3229 clear_pending (EV_A_ (W)w); 3287 clear_pending (EV_A_ (W)w);
3230 if (expect_false (!ev_is_active (w))) 3288 if (expect_false (!ev_is_active (w)))
3231 return; 3289 return;
3232 3290
… …
3241 3299
3242 EV_FREQUENT_CHECK; 3300 EV_FREQUENT_CHECK;
3243} 3301}
3244 3302
3245void noinline 3303void noinline
3246ev_timer_start (EV_P_ ev_timer *w) 3304ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3247{ 3305{
3248 if (expect_false (ev_is_active (w))) 3306 if (expect_false (ev_is_active (w)))
3249 return; 3307 return;
3250 3308
3251 ev_at (w) += mn_now; 3309 ev_at (w) += mn_now;
… …
3265 3323
3266 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3324 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3267} 3325}
3268 3326
3269void noinline 3327void noinline
3270ev_timer_stop (EV_P_ ev_timer *w) 3328ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3271{ 3329{
3272 clear_pending (EV_A_ (W)w); 3330 clear_pending (EV_A_ (W)w);
3273 if (expect_false (!ev_is_active (w))) 3331 if (expect_false (!ev_is_active (w)))
3274 return; 3332 return;
3275 3333
… …
3295 3353
3296 EV_FREQUENT_CHECK; 3354 EV_FREQUENT_CHECK;
3297} 3355}
3298 3356
3299void noinline 3357void noinline
3300ev_timer_again (EV_P_ ev_timer *w) 3358ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3301{ 3359{
3302 EV_FREQUENT_CHECK; 3360 EV_FREQUENT_CHECK;
3361
3362 clear_pending (EV_A_ (W)w);
3303 3363
3304 if (ev_is_active (w)) 3364 if (ev_is_active (w))
3305 { 3365 {
3306 if (w->repeat) 3366 if (w->repeat)
3307 { 3367 {
… …
3320 3380
3321 EV_FREQUENT_CHECK; 3381 EV_FREQUENT_CHECK;
3322} 3382}
3323 3383
3324ev_tstamp 3384ev_tstamp
3325ev_timer_remaining (EV_P_ ev_timer *w) 3385ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3326{ 3386{
3327 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3387 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3328} 3388}
3329 3389
3330#if EV_PERIODIC_ENABLE 3390#if EV_PERIODIC_ENABLE
3331void noinline 3391void noinline
3332ev_periodic_start (EV_P_ ev_periodic *w) 3392ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3333{ 3393{
3334 if (expect_false (ev_is_active (w))) 3394 if (expect_false (ev_is_active (w)))
3335 return; 3395 return;
3336 3396
3337 if (w->reschedule_cb) 3397 if (w->reschedule_cb)
… …
3357 3417
3358 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3418 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3359} 3419}
3360 3420
3361void noinline 3421void noinline
3362ev_periodic_stop (EV_P_ ev_periodic *w) 3422ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3363{ 3423{
3364 clear_pending (EV_A_ (W)w); 3424 clear_pending (EV_A_ (W)w);
3365 if (expect_false (!ev_is_active (w))) 3425 if (expect_false (!ev_is_active (w)))
3366 return; 3426 return;
3367 3427
… …
3385 3445
3386 EV_FREQUENT_CHECK; 3446 EV_FREQUENT_CHECK;
3387} 3447}
3388 3448
3389void noinline 3449void noinline
3390ev_periodic_again (EV_P_ ev_periodic *w) 3450ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3391{ 3451{
3392 /* TODO: use adjustheap and recalculation */ 3452 /* TODO: use adjustheap and recalculation */
3393 ev_periodic_stop (EV_A_ w); 3453 ev_periodic_stop (EV_A_ w);
3394 ev_periodic_start (EV_A_ w); 3454 ev_periodic_start (EV_A_ w);
3395} 3455}
… …
3400#endif 3460#endif
3401 3461
3402#if EV_SIGNAL_ENABLE 3462#if EV_SIGNAL_ENABLE
3403 3463
3404void noinline 3464void noinline
3405ev_signal_start (EV_P_ ev_signal *w) 3465ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3406{ 3466{
3407 if (expect_false (ev_is_active (w))) 3467 if (expect_false (ev_is_active (w)))
3408 return; 3468 return;
3409 3469
3410 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3470 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3481 3541
3482 EV_FREQUENT_CHECK; 3542 EV_FREQUENT_CHECK;
3483} 3543}
3484 3544
3485void noinline 3545void noinline
3486ev_signal_stop (EV_P_ ev_signal *w) 3546ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3487{ 3547{
3488 clear_pending (EV_A_ (W)w); 3548 clear_pending (EV_A_ (W)w);
3489 if (expect_false (!ev_is_active (w))) 3549 if (expect_false (!ev_is_active (w)))
3490 return; 3550 return;
3491 3551
… …
3522#endif 3582#endif
3523 3583
3524#if EV_CHILD_ENABLE 3584#if EV_CHILD_ENABLE
3525 3585
3526void 3586void
3527ev_child_start (EV_P_ ev_child *w) 3587ev_child_start (EV_P_ ev_child *w) EV_THROW
3528{ 3588{
3529#if EV_MULTIPLICITY 3589#if EV_MULTIPLICITY
3530 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3590 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3531#endif 3591#endif
3532 if (expect_false (ev_is_active (w))) 3592 if (expect_false (ev_is_active (w)))
… …
3539 3599
3540 EV_FREQUENT_CHECK; 3600 EV_FREQUENT_CHECK;
3541} 3601}
3542 3602
3543void 3603void
3544ev_child_stop (EV_P_ ev_child *w) 3604ev_child_stop (EV_P_ ev_child *w) EV_THROW
3545{ 3605{
3546 clear_pending (EV_A_ (W)w); 3606 clear_pending (EV_A_ (W)w);
3547 if (expect_false (!ev_is_active (w))) 3607 if (expect_false (!ev_is_active (w)))
3548 return; 3608 return;
3549 3609
… …
3716} 3776}
3717 3777
3718inline_size int 3778inline_size int
3719infy_newfd (void) 3779infy_newfd (void)
3720{ 3780{
3721#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3781#if defined IN_CLOEXEC && defined IN_NONBLOCK
3722 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3782 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3723 if (fd >= 0) 3783 if (fd >= 0)
3724 return fd; 3784 return fd;
3725#endif 3785#endif
3726 return inotify_init (); 3786 return inotify_init ();
… …
3801#else 3861#else
3802# define EV_LSTAT(p,b) lstat (p, b) 3862# define EV_LSTAT(p,b) lstat (p, b)
3803#endif 3863#endif
3804 3864
3805void 3865void
3806ev_stat_stat (EV_P_ ev_stat *w) 3866ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3807{ 3867{
3808 if (lstat (w->path, &w->attr) < 0) 3868 if (lstat (w->path, &w->attr) < 0)
3809 w->attr.st_nlink = 0; 3869 w->attr.st_nlink = 0;
3810 else if (!w->attr.st_nlink) 3870 else if (!w->attr.st_nlink)
3811 w->attr.st_nlink = 1; 3871 w->attr.st_nlink = 1;
… …
3850 ev_feed_event (EV_A_ w, EV_STAT); 3910 ev_feed_event (EV_A_ w, EV_STAT);
3851 } 3911 }
3852} 3912}
3853 3913
3854void 3914void
3855ev_stat_start (EV_P_ ev_stat *w) 3915ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3856{ 3916{
3857 if (expect_false (ev_is_active (w))) 3917 if (expect_false (ev_is_active (w)))
3858 return; 3918 return;
3859 3919
3860 ev_stat_stat (EV_A_ w); 3920 ev_stat_stat (EV_A_ w);
… …
3881 3941
3882 EV_FREQUENT_CHECK; 3942 EV_FREQUENT_CHECK;
3883} 3943}
3884 3944
3885void 3945void
3886ev_stat_stop (EV_P_ ev_stat *w) 3946ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3887{ 3947{
3888 clear_pending (EV_A_ (W)w); 3948 clear_pending (EV_A_ (W)w);
3889 if (expect_false (!ev_is_active (w))) 3949 if (expect_false (!ev_is_active (w)))
3890 return; 3950 return;
3891 3951
… …
3907} 3967}
3908#endif 3968#endif
3909 3969
3910#if EV_IDLE_ENABLE 3970#if EV_IDLE_ENABLE
3911void 3971void
3912ev_idle_start (EV_P_ ev_idle *w) 3972ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3913{ 3973{
3914 if (expect_false (ev_is_active (w))) 3974 if (expect_false (ev_is_active (w)))
3915 return; 3975 return;
3916 3976
3917 pri_adjust (EV_A_ (W)w); 3977 pri_adjust (EV_A_ (W)w);
… …
3930 3990
3931 EV_FREQUENT_CHECK; 3991 EV_FREQUENT_CHECK;
3932} 3992}
3933 3993
3934void 3994void
3935ev_idle_stop (EV_P_ ev_idle *w) 3995ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3936{ 3996{
3937 clear_pending (EV_A_ (W)w); 3997 clear_pending (EV_A_ (W)w);
3938 if (expect_false (!ev_is_active (w))) 3998 if (expect_false (!ev_is_active (w)))
3939 return; 3999 return;
3940 4000
… …
3954} 4014}
3955#endif 4015#endif
3956 4016
3957#if EV_PREPARE_ENABLE 4017#if EV_PREPARE_ENABLE
3958void 4018void
3959ev_prepare_start (EV_P_ ev_prepare *w) 4019ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3960{ 4020{
3961 if (expect_false (ev_is_active (w))) 4021 if (expect_false (ev_is_active (w)))
3962 return; 4022 return;
3963 4023
3964 EV_FREQUENT_CHECK; 4024 EV_FREQUENT_CHECK;
… …
3969 4029
3970 EV_FREQUENT_CHECK; 4030 EV_FREQUENT_CHECK;
3971} 4031}
3972 4032
3973void 4033void
3974ev_prepare_stop (EV_P_ ev_prepare *w) 4034ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3975{ 4035{
3976 clear_pending (EV_A_ (W)w); 4036 clear_pending (EV_A_ (W)w);
3977 if (expect_false (!ev_is_active (w))) 4037 if (expect_false (!ev_is_active (w)))
3978 return; 4038 return;
3979 4039
… …
3992} 4052}
3993#endif 4053#endif
3994 4054
3995#if EV_CHECK_ENABLE 4055#if EV_CHECK_ENABLE
3996void 4056void
3997ev_check_start (EV_P_ ev_check *w) 4057ev_check_start (EV_P_ ev_check *w) EV_THROW
3998{ 4058{
3999 if (expect_false (ev_is_active (w))) 4059 if (expect_false (ev_is_active (w)))
4000 return; 4060 return;
4001 4061
4002 EV_FREQUENT_CHECK; 4062 EV_FREQUENT_CHECK;
… …
4007 4067
4008 EV_FREQUENT_CHECK; 4068 EV_FREQUENT_CHECK;
4009} 4069}
4010 4070
4011void 4071void
4012ev_check_stop (EV_P_ ev_check *w) 4072ev_check_stop (EV_P_ ev_check *w) EV_THROW
4013{ 4073{
4014 clear_pending (EV_A_ (W)w); 4074 clear_pending (EV_A_ (W)w);
4015 if (expect_false (!ev_is_active (w))) 4075 if (expect_false (!ev_is_active (w)))
4016 return; 4076 return;
4017 4077
… …
4030} 4090}
4031#endif 4091#endif
4032 4092
4033#if EV_EMBED_ENABLE 4093#if EV_EMBED_ENABLE
4034void noinline 4094void noinline
4035ev_embed_sweep (EV_P_ ev_embed *w) 4095ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4036{ 4096{
4037 ev_run (w->other, EVRUN_NOWAIT); 4097 ev_run (w->other, EVRUN_NOWAIT);
4038} 4098}
4039 4099
4040static void 4100static void
… …
4088 ev_idle_stop (EV_A_ idle); 4148 ev_idle_stop (EV_A_ idle);
4089} 4149}
4090#endif 4150#endif
4091 4151
4092void 4152void
4093ev_embed_start (EV_P_ ev_embed *w) 4153ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4094{ 4154{
4095 if (expect_false (ev_is_active (w))) 4155 if (expect_false (ev_is_active (w)))
4096 return; 4156 return;
4097 4157
4098 { 4158 {
… …
4119 4179
4120 EV_FREQUENT_CHECK; 4180 EV_FREQUENT_CHECK;
4121} 4181}
4122 4182
4123void 4183void
4124ev_embed_stop (EV_P_ ev_embed *w) 4184ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4125{ 4185{
4126 clear_pending (EV_A_ (W)w); 4186 clear_pending (EV_A_ (W)w);
4127 if (expect_false (!ev_is_active (w))) 4187 if (expect_false (!ev_is_active (w)))
4128 return; 4188 return;
4129 4189
… …
4139} 4199}
4140#endif 4200#endif
4141 4201
4142#if EV_FORK_ENABLE 4202#if EV_FORK_ENABLE
4143void 4203void
4144ev_fork_start (EV_P_ ev_fork *w) 4204ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4145{ 4205{
4146 if (expect_false (ev_is_active (w))) 4206 if (expect_false (ev_is_active (w)))
4147 return; 4207 return;
4148 4208
4149 EV_FREQUENT_CHECK; 4209 EV_FREQUENT_CHECK;
… …
4154 4214
4155 EV_FREQUENT_CHECK; 4215 EV_FREQUENT_CHECK;
4156} 4216}
4157 4217
4158void 4218void
4159ev_fork_stop (EV_P_ ev_fork *w) 4219ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4160{ 4220{
4161 clear_pending (EV_A_ (W)w); 4221 clear_pending (EV_A_ (W)w);
4162 if (expect_false (!ev_is_active (w))) 4222 if (expect_false (!ev_is_active (w)))
4163 return; 4223 return;
4164 4224
… …
4177} 4237}
4178#endif 4238#endif
4179 4239
4180#if EV_CLEANUP_ENABLE 4240#if EV_CLEANUP_ENABLE
4181void 4241void
4182ev_cleanup_start (EV_P_ ev_cleanup *w) 4242ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4183{ 4243{
4184 if (expect_false (ev_is_active (w))) 4244 if (expect_false (ev_is_active (w)))
4185 return; 4245 return;
4186 4246
4187 EV_FREQUENT_CHECK; 4247 EV_FREQUENT_CHECK;
… …
4194 ev_unref (EV_A); 4254 ev_unref (EV_A);
4195 EV_FREQUENT_CHECK; 4255 EV_FREQUENT_CHECK;
4196} 4256}
4197 4257
4198void 4258void
4199ev_cleanup_stop (EV_P_ ev_cleanup *w) 4259ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4200{ 4260{
4201 clear_pending (EV_A_ (W)w); 4261 clear_pending (EV_A_ (W)w);
4202 if (expect_false (!ev_is_active (w))) 4262 if (expect_false (!ev_is_active (w)))
4203 return; 4263 return;
4204 4264
… …
4218} 4278}
4219#endif 4279#endif
4220 4280
4221#if EV_ASYNC_ENABLE 4281#if EV_ASYNC_ENABLE
4222void 4282void
4223ev_async_start (EV_P_ ev_async *w) 4283ev_async_start (EV_P_ ev_async *w) EV_THROW
4224{ 4284{
4225 if (expect_false (ev_is_active (w))) 4285 if (expect_false (ev_is_active (w)))
4226 return; 4286 return;
4227 4287
4228 w->sent = 0; 4288 w->sent = 0;
… …
4237 4297
4238 EV_FREQUENT_CHECK; 4298 EV_FREQUENT_CHECK;
4239} 4299}
4240 4300
4241void 4301void
4242ev_async_stop (EV_P_ ev_async *w) 4302ev_async_stop (EV_P_ ev_async *w) EV_THROW
4243{ 4303{
4244 clear_pending (EV_A_ (W)w); 4304 clear_pending (EV_A_ (W)w);
4245 if (expect_false (!ev_is_active (w))) 4305 if (expect_false (!ev_is_active (w)))
4246 return; 4306 return;
4247 4307
… …
4258 4318
4259 EV_FREQUENT_CHECK; 4319 EV_FREQUENT_CHECK;
4260} 4320}
4261 4321
4262void 4322void
4263ev_async_send (EV_P_ ev_async *w) 4323ev_async_send (EV_P_ ev_async *w) EV_THROW
4264{ 4324{
4265 w->sent = 1; 4325 w->sent = 1;
4266 evpipe_write (EV_A_ &async_pending); 4326 evpipe_write (EV_A_ &async_pending);
4267} 4327}
4268#endif 4328#endif
… …
4305 4365
4306 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4366 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4307} 4367}
4308 4368
4309void 4369void
4310ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4370ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4311{ 4371{
4312 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4372 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4313 4373
4314 if (expect_false (!once)) 4374 if (expect_false (!once))
4315 { 4375 {
… …
4337 4397
4338/*****************************************************************************/ 4398/*****************************************************************************/
4339 4399
4340#if EV_WALK_ENABLE 4400#if EV_WALK_ENABLE
4341void ecb_cold 4401void ecb_cold
4342ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4402ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4343{ 4403{
4344 int i, j; 4404 int i, j;
4345 ev_watcher_list *wl, *wn; 4405 ev_watcher_list *wl, *wn;
4346 4406
4347 if (types & (EV_IO | EV_EMBED)) 4407 if (types & (EV_IO | EV_EMBED))

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