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Comparing libev/ev.c (file contents):
Revision 1.418 by root, Mon Apr 2 23:14:41 2012 UTC vs.
Revision 1.448 by root, Tue Jul 24 16:28:08 2012 UTC

201# include <sys/wait.h> 201# include <sys/wait.h>
202# include <unistd.h> 202# include <unistd.h>
203#else 203#else
204# include <io.h> 204# include <io.h>
205# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <winsock2.h>
206# include <windows.h> 207# include <windows.h>
207# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
208# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
209# endif 210# endif
210# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
359#endif 360#endif
360 361
361/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 362/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
362/* which makes programs even slower. might work on other unices, too. */ 363/* which makes programs even slower. might work on other unices, too. */
363#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
364# include <syscall.h> 365# include <sys/syscall.h>
365# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
366# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
368# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
369# else 370# else
408/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 409/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
409# ifndef IN_DONT_FOLLOW 410# ifndef IN_DONT_FOLLOW
410# undef EV_USE_INOTIFY 411# undef EV_USE_INOTIFY
411# define EV_USE_INOTIFY 0 412# define EV_USE_INOTIFY 0
412# endif 413# endif
413#endif
414
415#if EV_SELECT_IS_WINSOCKET
416# include <winsock.h>
417#endif 414#endif
418 415
419#if EV_USE_EVENTFD 416#if EV_USE_EVENTFD
420/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
421# include <stdint.h> 418# include <stdint.h>
507 */ 504 */
508 505
509#ifndef ECB_H 506#ifndef ECB_H
510#define ECB_H 507#define ECB_H
511 508
509/* 16 bits major, 16 bits minor */
510#define ECB_VERSION 0x00010001
511
512#ifdef _WIN32 512#ifdef _WIN32
513 typedef signed char int8_t; 513 typedef signed char int8_t;
514 typedef unsigned char uint8_t; 514 typedef unsigned char uint8_t;
515 typedef signed short int16_t; 515 typedef signed short int16_t;
516 typedef unsigned short uint16_t; 516 typedef unsigned short uint16_t;
521 typedef unsigned long long uint64_t; 521 typedef unsigned long long uint64_t;
522 #else /* _MSC_VER || __BORLANDC__ */ 522 #else /* _MSC_VER || __BORLANDC__ */
523 typedef signed __int64 int64_t; 523 typedef signed __int64 int64_t;
524 typedef unsigned __int64 uint64_t; 524 typedef unsigned __int64 uint64_t;
525 #endif 525 #endif
526 #ifdef _WIN64
527 #define ECB_PTRSIZE 8
528 typedef uint64_t uintptr_t;
529 typedef int64_t intptr_t;
530 #else
531 #define ECB_PTRSIZE 4
532 typedef uint32_t uintptr_t;
533 typedef int32_t intptr_t;
534 #endif
535 typedef intptr_t ptrdiff_t;
526#else 536#else
527 #include <inttypes.h> 537 #include <inttypes.h>
538 #if UINTMAX_MAX > 0xffffffffU
539 #define ECB_PTRSIZE 8
540 #else
541 #define ECB_PTRSIZE 4
542 #endif
528#endif 543#endif
529 544
530/* many compilers define _GNUC_ to some versions but then only implement 545/* many compilers define _GNUC_ to some versions but then only implement
531 * what their idiot authors think are the "more important" extensions, 546 * what their idiot authors think are the "more important" extensions,
532 * causing enormous grief in return for some better fake benchmark numbers. 547 * causing enormous grief in return for some better fake benchmark numbers.
540 #else 555 #else
541 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 556 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
542 #endif 557 #endif
543#endif 558#endif
544 559
560#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
561#define ECB_C99 (__STDC_VERSION__ >= 199901L)
562#define ECB_C11 (__STDC_VERSION__ >= 201112L)
563#define ECB_CPP (__cplusplus+0)
564#define ECB_CPP11 (__cplusplus >= 201103L)
565
545/*****************************************************************************/ 566/*****************************************************************************/
546 567
547/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ 568/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
548/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ 569/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
549 570
550#if ECB_NO_THREADS 571#if ECB_NO_THREADS
551# define ECB_NO_SMP 1 572 #define ECB_NO_SMP 1
552#endif 573#endif
553 574
554#if ECB_NO_THREADS || ECB_NO_SMP 575#if ECB_NO_SMP
555 #define ECB_MEMORY_FENCE do { } while (0) 576 #define ECB_MEMORY_FENCE do { } while (0)
556#endif 577#endif
557 578
558#ifndef ECB_MEMORY_FENCE 579#ifndef ECB_MEMORY_FENCE
559 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 580 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560 #if __i386 || __i386__ 581 #if __i386 || __i386__
561 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 582 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
562 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ 583 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
563 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ 584 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 585 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 586 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 587 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
567 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ 588 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 589 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 590 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ 591 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ 592 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
572 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 593 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
573 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ 594 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ 595 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 596 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576 #elif __sparc || __sparc__ 597 #elif __sparc || __sparc__
577 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") 598 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
578 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 599 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 600 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580 #elif defined __s390__ || defined __s390x__ 601 #elif defined __s390__ || defined __s390x__
581 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") 602 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582 #elif defined __mips__ 603 #elif defined __mips__
583 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 604 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
605 #elif defined __alpha__
606 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
607 #elif defined __hppa__
608 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
609 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
610 #elif defined __ia64__
611 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
584 #endif 612 #endif
585 #endif 613 #endif
586#endif 614#endif
587 615
588#ifndef ECB_MEMORY_FENCE 616#ifndef ECB_MEMORY_FENCE
617 #if ECB_GCC_VERSION(4,7)
618 /* see comment below (stdatomic.h) about the C11 memory model. */
619 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
620 #elif defined __clang && __has_feature (cxx_atomic)
621 /* see comment below (stdatomic.h) about the C11 memory model. */
622 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
589 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ 623 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
590 #define ECB_MEMORY_FENCE __sync_synchronize () 624 #define ECB_MEMORY_FENCE __sync_synchronize ()
591 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
592 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
593 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 625 #elif _MSC_VER >= 1400 /* VC++ 2005 */
594 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 626 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
595 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 627 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
596 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 628 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
597 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 629 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
607 #define ECB_MEMORY_FENCE __sync () 639 #define ECB_MEMORY_FENCE __sync ()
608 #endif 640 #endif
609#endif 641#endif
610 642
611#ifndef ECB_MEMORY_FENCE 643#ifndef ECB_MEMORY_FENCE
644 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
645 /* we assume that these memory fences work on all variables/all memory accesses, */
646 /* not just C11 atomics and atomic accesses */
647 #include <stdatomic.h>
648 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
649 /* any fence other than seq_cst, which isn't very efficient for us. */
650 /* Why that is, we don't know - either the C11 memory model is quite useless */
651 /* for most usages, or gcc and clang have a bug */
652 /* I *currently* lean towards the latter, and inefficiently implement */
653 /* all three of ecb's fences as a seq_cst fence */
654 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
655 #endif
656#endif
657
658#ifndef ECB_MEMORY_FENCE
612 #if !ECB_AVOID_PTHREADS 659 #if !ECB_AVOID_PTHREADS
613 /* 660 /*
614 * if you get undefined symbol references to pthread_mutex_lock, 661 * if you get undefined symbol references to pthread_mutex_lock,
615 * or failure to find pthread.h, then you should implement 662 * or failure to find pthread.h, then you should implement
616 * the ECB_MEMORY_FENCE operations for your cpu/compiler 663 * the ECB_MEMORY_FENCE operations for your cpu/compiler
634 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 681 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
635#endif 682#endif
636 683
637/*****************************************************************************/ 684/*****************************************************************************/
638 685
639#define ECB_C99 (__STDC_VERSION__ >= 199901L)
640
641#if __cplusplus 686#if __cplusplus
642 #define ecb_inline static inline 687 #define ecb_inline static inline
643#elif ECB_GCC_VERSION(2,5) 688#elif ECB_GCC_VERSION(2,5)
644 #define ecb_inline static __inline__ 689 #define ecb_inline static __inline__
645#elif ECB_C99 690#elif ECB_C99
683#elif ECB_GCC_VERSION(3,0) 728#elif ECB_GCC_VERSION(3,0)
684 #define ecb_decltype(x) __typeof(x) 729 #define ecb_decltype(x) __typeof(x)
685#endif 730#endif
686 731
687#define ecb_noinline ecb_attribute ((__noinline__)) 732#define ecb_noinline ecb_attribute ((__noinline__))
688#define ecb_noreturn ecb_attribute ((__noreturn__))
689#define ecb_unused ecb_attribute ((__unused__)) 733#define ecb_unused ecb_attribute ((__unused__))
690#define ecb_const ecb_attribute ((__const__)) 734#define ecb_const ecb_attribute ((__const__))
691#define ecb_pure ecb_attribute ((__pure__)) 735#define ecb_pure ecb_attribute ((__pure__))
736
737#if ECB_C11
738 #define ecb_noreturn _Noreturn
739#else
740 #define ecb_noreturn ecb_attribute ((__noreturn__))
741#endif
692 742
693#if ECB_GCC_VERSION(4,3) 743#if ECB_GCC_VERSION(4,3)
694 #define ecb_artificial ecb_attribute ((__artificial__)) 744 #define ecb_artificial ecb_attribute ((__artificial__))
695 #define ecb_hot ecb_attribute ((__hot__)) 745 #define ecb_hot ecb_attribute ((__hot__))
696 #define ecb_cold ecb_attribute ((__cold__)) 746 #define ecb_cold ecb_attribute ((__cold__))
787 837
788 return r + ecb_ld32 (x); 838 return r + ecb_ld32 (x);
789 } 839 }
790#endif 840#endif
791 841
842ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
843ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
844ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
845ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
846
792ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; 847ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
793ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) 848ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
794{ 849{
795 return ( (x * 0x0802U & 0x22110U) 850 return ( (x * 0x0802U & 0x22110U)
796 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; 851 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
1103{ 1158{
1104 write (STDERR_FILENO, msg, strlen (msg)); 1159 write (STDERR_FILENO, msg, strlen (msg));
1105} 1160}
1106#endif 1161#endif
1107 1162
1108static void (*syserr_cb)(const char *msg); 1163static void (*syserr_cb)(const char *msg) EV_THROW;
1109 1164
1110void ecb_cold 1165void ecb_cold
1111ev_set_syserr_cb (void (*cb)(const char *msg)) 1166ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1112{ 1167{
1113 syserr_cb = cb; 1168 syserr_cb = cb;
1114} 1169}
1115 1170
1116static void noinline ecb_cold 1171static void noinline ecb_cold
1134 abort (); 1189 abort ();
1135 } 1190 }
1136} 1191}
1137 1192
1138static void * 1193static void *
1139ev_realloc_emul (void *ptr, long size) 1194ev_realloc_emul (void *ptr, long size) EV_THROW
1140{ 1195{
1141#if __GLIBC__
1142 return realloc (ptr, size);
1143#else
1144 /* some systems, notably openbsd and darwin, fail to properly 1196 /* some systems, notably openbsd and darwin, fail to properly
1145 * implement realloc (x, 0) (as required by both ansi c-89 and 1197 * implement realloc (x, 0) (as required by both ansi c-89 and
1146 * the single unix specification, so work around them here. 1198 * the single unix specification, so work around them here.
1199 * recently, also (at least) fedora and debian started breaking it,
1200 * despite documenting it otherwise.
1147 */ 1201 */
1148 1202
1149 if (size) 1203 if (size)
1150 return realloc (ptr, size); 1204 return realloc (ptr, size);
1151 1205
1152 free (ptr); 1206 free (ptr);
1153 return 0; 1207 return 0;
1154#endif
1155} 1208}
1156 1209
1157static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1210static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1158 1211
1159void ecb_cold 1212void ecb_cold
1160ev_set_allocator (void *(*cb)(void *ptr, long size)) 1213ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1161{ 1214{
1162 alloc = cb; 1215 alloc = cb;
1163} 1216}
1164 1217
1165inline_speed void * 1218inline_speed void *
1282 1335
1283/*****************************************************************************/ 1336/*****************************************************************************/
1284 1337
1285#ifndef EV_HAVE_EV_TIME 1338#ifndef EV_HAVE_EV_TIME
1286ev_tstamp 1339ev_tstamp
1287ev_time (void) 1340ev_time (void) EV_THROW
1288{ 1341{
1289#if EV_USE_REALTIME 1342#if EV_USE_REALTIME
1290 if (expect_true (have_realtime)) 1343 if (expect_true (have_realtime))
1291 { 1344 {
1292 struct timespec ts; 1345 struct timespec ts;
1316 return ev_time (); 1369 return ev_time ();
1317} 1370}
1318 1371
1319#if EV_MULTIPLICITY 1372#if EV_MULTIPLICITY
1320ev_tstamp 1373ev_tstamp
1321ev_now (EV_P) 1374ev_now (EV_P) EV_THROW
1322{ 1375{
1323 return ev_rt_now; 1376 return ev_rt_now;
1324} 1377}
1325#endif 1378#endif
1326 1379
1327void 1380void
1328ev_sleep (ev_tstamp delay) 1381ev_sleep (ev_tstamp delay) EV_THROW
1329{ 1382{
1330 if (delay > 0.) 1383 if (delay > 0.)
1331 { 1384 {
1332#if EV_USE_NANOSLEEP 1385#if EV_USE_NANOSLEEP
1333 struct timespec ts; 1386 struct timespec ts;
1414pendingcb (EV_P_ ev_prepare *w, int revents) 1467pendingcb (EV_P_ ev_prepare *w, int revents)
1415{ 1468{
1416} 1469}
1417 1470
1418void noinline 1471void noinline
1419ev_feed_event (EV_P_ void *w, int revents) 1472ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1420{ 1473{
1421 W w_ = (W)w; 1474 W w_ = (W)w;
1422 int pri = ABSPRI (w_); 1475 int pri = ABSPRI (w_);
1423 1476
1424 if (expect_false (w_->pending)) 1477 if (expect_false (w_->pending))
1428 w_->pending = ++pendingcnt [pri]; 1481 w_->pending = ++pendingcnt [pri];
1429 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1482 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1430 pendings [pri][w_->pending - 1].w = w_; 1483 pendings [pri][w_->pending - 1].w = w_;
1431 pendings [pri][w_->pending - 1].events = revents; 1484 pendings [pri][w_->pending - 1].events = revents;
1432 } 1485 }
1486
1487 pendingpri = NUMPRI - 1;
1433} 1488}
1434 1489
1435inline_speed void 1490inline_speed void
1436feed_reverse (EV_P_ W w) 1491feed_reverse (EV_P_ W w)
1437{ 1492{
1483 if (expect_true (!anfd->reify)) 1538 if (expect_true (!anfd->reify))
1484 fd_event_nocheck (EV_A_ fd, revents); 1539 fd_event_nocheck (EV_A_ fd, revents);
1485} 1540}
1486 1541
1487void 1542void
1488ev_feed_fd_event (EV_P_ int fd, int revents) 1543ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1489{ 1544{
1490 if (fd >= 0 && fd < anfdmax) 1545 if (fd >= 0 && fd < anfdmax)
1491 fd_event_nocheck (EV_A_ fd, revents); 1546 fd_event_nocheck (EV_A_ fd, revents);
1492} 1547}
1493 1548
1812static void noinline ecb_cold 1867static void noinline ecb_cold
1813evpipe_init (EV_P) 1868evpipe_init (EV_P)
1814{ 1869{
1815 if (!ev_is_active (&pipe_w)) 1870 if (!ev_is_active (&pipe_w))
1816 { 1871 {
1872 int fds [2];
1873
1817# if EV_USE_EVENTFD 1874# if EV_USE_EVENTFD
1875 fds [0] = -1;
1818 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1876 fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1819 if (evfd < 0 && errno == EINVAL) 1877 if (fds [1] < 0 && errno == EINVAL)
1820 evfd = eventfd (0, 0); 1878 fds [1] = eventfd (0, 0);
1821 1879
1822 if (evfd >= 0) 1880 if (fds [1] < 0)
1881# endif
1823 { 1882 {
1883 while (pipe (fds))
1884 ev_syserr ("(libev) error creating signal/async pipe");
1885
1886 fd_intern (fds [0]);
1887 }
1888
1889 fd_intern (fds [1]);
1890
1824 evpipe [0] = -1; 1891 evpipe [0] = fds [0];
1825 fd_intern (evfd); /* doing it twice doesn't hurt */ 1892
1826 ev_io_set (&pipe_w, evfd, EV_READ); 1893 if (evpipe [1] < 0)
1894 evpipe [1] = fds [1]; /* first call, set write fd */
1895 else
1896 {
1897 /* on subsequent calls, do not change evpipe [1] */
1898 /* so that evpipe_write can always rely on its value. */
1899 /* this branch does not do anything sensible on windows, */
1900 /* so must not be executed on windows */
1901
1902 dup2 (fds [1], evpipe [1]);
1903 close (fds [1]);
1904 }
1905
1906 ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
1907 ev_io_start (EV_A_ &pipe_w);
1908 ev_unref (EV_A); /* watcher should not keep loop alive */
1909 }
1910}
1911
1912inline_speed void
1913evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1914{
1915 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1916
1917 if (expect_true (*flag))
1918 return;
1919
1920 *flag = 1;
1921 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1922
1923 pipe_write_skipped = 1;
1924
1925 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1926
1927 if (pipe_write_wanted)
1928 {
1929 int old_errno;
1930
1931 pipe_write_skipped = 0;
1932 ECB_MEMORY_FENCE_RELEASE;
1933
1934 old_errno = errno; /* save errno because write will clobber it */
1935
1936#if EV_USE_EVENTFD
1937 if (evpipe [0] < 0)
1938 {
1939 uint64_t counter = 1;
1940 write (evpipe [1], &counter, sizeof (uint64_t));
1827 } 1941 }
1828 else 1942 else
1829# endif 1943#endif
1830 { 1944 {
1831 while (pipe (evpipe)) 1945#ifdef _WIN32
1832 ev_syserr ("(libev) error creating signal/async pipe"); 1946 WSABUF buf;
1833 1947 DWORD sent;
1834 fd_intern (evpipe [0]); 1948 buf.buf = &buf;
1835 fd_intern (evpipe [1]); 1949 buf.len = 1;
1836 ev_io_set (&pipe_w, evpipe [0], EV_READ); 1950 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1837 } 1951#else
1838
1839 ev_io_start (EV_A_ &pipe_w);
1840 ev_unref (EV_A); /* watcher should not keep loop alive */
1841 }
1842}
1843
1844inline_speed void
1845evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1846{
1847 if (expect_true (*flag))
1848 return;
1849
1850 *flag = 1;
1851
1852 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1853
1854 pipe_write_skipped = 1;
1855
1856 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1857
1858 if (pipe_write_wanted)
1859 {
1860 int old_errno;
1861
1862 pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1863
1864 old_errno = errno; /* save errno because write will clobber it */
1865
1866#if EV_USE_EVENTFD
1867 if (evfd >= 0)
1868 {
1869 uint64_t counter = 1;
1870 write (evfd, &counter, sizeof (uint64_t));
1871 }
1872 else
1873#endif
1874 {
1875 /* win32 people keep sending patches that change this write() to send() */
1876 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1877 /* so when you think this write should be a send instead, please find out */
1878 /* where your send() is from - it's definitely not the microsoft send, and */
1879 /* tell me. thank you. */
1880 /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
1881 /* check the ev documentation on how to use this flag */
1882 write (evpipe [1], &(evpipe [1]), 1); 1952 write (evpipe [1], &(evpipe [1]), 1);
1953#endif
1883 } 1954 }
1884 1955
1885 errno = old_errno; 1956 errno = old_errno;
1886 } 1957 }
1887} 1958}
1894 int i; 1965 int i;
1895 1966
1896 if (revents & EV_READ) 1967 if (revents & EV_READ)
1897 { 1968 {
1898#if EV_USE_EVENTFD 1969#if EV_USE_EVENTFD
1899 if (evfd >= 0) 1970 if (evpipe [0] < 0)
1900 { 1971 {
1901 uint64_t counter; 1972 uint64_t counter;
1902 read (evfd, &counter, sizeof (uint64_t)); 1973 read (evpipe [1], &counter, sizeof (uint64_t));
1903 } 1974 }
1904 else 1975 else
1905#endif 1976#endif
1906 { 1977 {
1907 char dummy; 1978 char dummy[4];
1908 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1979#ifdef _WIN32
1980 WSABUF buf;
1981 DWORD recvd;
1982 DWORD flags = 0;
1983 buf.buf = dummy;
1984 buf.len = sizeof (dummy);
1985 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
1986#else
1909 read (evpipe [0], &dummy, 1); 1987 read (evpipe [0], &dummy, sizeof (dummy));
1988#endif
1910 } 1989 }
1911 } 1990 }
1912 1991
1913 pipe_write_skipped = 0; 1992 pipe_write_skipped = 0;
1993
1994 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1914 1995
1915#if EV_SIGNAL_ENABLE 1996#if EV_SIGNAL_ENABLE
1916 if (sig_pending) 1997 if (sig_pending)
1917 { 1998 {
1918 sig_pending = 0; 1999 sig_pending = 0;
2000
2001 ECB_MEMORY_FENCE;
1919 2002
1920 for (i = EV_NSIG - 1; i--; ) 2003 for (i = EV_NSIG - 1; i--; )
1921 if (expect_false (signals [i].pending)) 2004 if (expect_false (signals [i].pending))
1922 ev_feed_signal_event (EV_A_ i + 1); 2005 ev_feed_signal_event (EV_A_ i + 1);
1923 } 2006 }
1925 2008
1926#if EV_ASYNC_ENABLE 2009#if EV_ASYNC_ENABLE
1927 if (async_pending) 2010 if (async_pending)
1928 { 2011 {
1929 async_pending = 0; 2012 async_pending = 0;
2013
2014 ECB_MEMORY_FENCE;
1930 2015
1931 for (i = asynccnt; i--; ) 2016 for (i = asynccnt; i--; )
1932 if (asyncs [i]->sent) 2017 if (asyncs [i]->sent)
1933 { 2018 {
1934 asyncs [i]->sent = 0; 2019 asyncs [i]->sent = 0;
2020 ECB_MEMORY_FENCE_RELEASE;
1935 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2021 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1936 } 2022 }
1937 } 2023 }
1938#endif 2024#endif
1939} 2025}
1940 2026
1941/*****************************************************************************/ 2027/*****************************************************************************/
1942 2028
1943void 2029void
1944ev_feed_signal (int signum) 2030ev_feed_signal (int signum) EV_THROW
1945{ 2031{
1946#if EV_MULTIPLICITY 2032#if EV_MULTIPLICITY
1947 EV_P = signals [signum - 1].loop; 2033 EV_P = signals [signum - 1].loop;
1948 2034
1949 if (!EV_A) 2035 if (!EV_A)
1950 return; 2036 return;
1951#endif 2037#endif
1952 2038
1953 if (!ev_active (&pipe_w))
1954 return;
1955
1956 signals [signum - 1].pending = 1; 2039 signals [signum - 1].pending = 1;
1957 evpipe_write (EV_A_ &sig_pending); 2040 evpipe_write (EV_A_ &sig_pending);
1958} 2041}
1959 2042
1960static void 2043static void
1966 2049
1967 ev_feed_signal (signum); 2050 ev_feed_signal (signum);
1968} 2051}
1969 2052
1970void noinline 2053void noinline
1971ev_feed_signal_event (EV_P_ int signum) 2054ev_feed_signal_event (EV_P_ int signum) EV_THROW
1972{ 2055{
1973 WL w; 2056 WL w;
1974 2057
1975 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2058 if (expect_false (signum <= 0 || signum >= EV_NSIG))
1976 return; 2059 return;
1977 2060
1978 --signum; 2061 --signum;
1979 2062
1980#if EV_MULTIPLICITY 2063#if EV_MULTIPLICITY
1984 if (expect_false (signals [signum].loop != EV_A)) 2067 if (expect_false (signals [signum].loop != EV_A))
1985 return; 2068 return;
1986#endif 2069#endif
1987 2070
1988 signals [signum].pending = 0; 2071 signals [signum].pending = 0;
2072 ECB_MEMORY_FENCE_RELEASE;
1989 2073
1990 for (w = signals [signum].head; w; w = w->next) 2074 for (w = signals [signum].head; w; w = w->next)
1991 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2075 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1992} 2076}
1993 2077
2092#if EV_USE_SELECT 2176#if EV_USE_SELECT
2093# include "ev_select.c" 2177# include "ev_select.c"
2094#endif 2178#endif
2095 2179
2096int ecb_cold 2180int ecb_cold
2097ev_version_major (void) 2181ev_version_major (void) EV_THROW
2098{ 2182{
2099 return EV_VERSION_MAJOR; 2183 return EV_VERSION_MAJOR;
2100} 2184}
2101 2185
2102int ecb_cold 2186int ecb_cold
2103ev_version_minor (void) 2187ev_version_minor (void) EV_THROW
2104{ 2188{
2105 return EV_VERSION_MINOR; 2189 return EV_VERSION_MINOR;
2106} 2190}
2107 2191
2108/* return true if we are running with elevated privileges and should ignore env variables */ 2192/* return true if we are running with elevated privileges and should ignore env variables */
2116 || getgid () != getegid (); 2200 || getgid () != getegid ();
2117#endif 2201#endif
2118} 2202}
2119 2203
2120unsigned int ecb_cold 2204unsigned int ecb_cold
2121ev_supported_backends (void) 2205ev_supported_backends (void) EV_THROW
2122{ 2206{
2123 unsigned int flags = 0; 2207 unsigned int flags = 0;
2124 2208
2125 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2209 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2126 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2210 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
2130 2214
2131 return flags; 2215 return flags;
2132} 2216}
2133 2217
2134unsigned int ecb_cold 2218unsigned int ecb_cold
2135ev_recommended_backends (void) 2219ev_recommended_backends (void) EV_THROW
2136{ 2220{
2137 unsigned int flags = ev_supported_backends (); 2221 unsigned int flags = ev_supported_backends ();
2138 2222
2139#ifndef __NetBSD__ 2223#ifndef __NetBSD__
2140 /* kqueue is borked on everything but netbsd apparently */ 2224 /* kqueue is borked on everything but netbsd apparently */
2152 2236
2153 return flags; 2237 return flags;
2154} 2238}
2155 2239
2156unsigned int ecb_cold 2240unsigned int ecb_cold
2157ev_embeddable_backends (void) 2241ev_embeddable_backends (void) EV_THROW
2158{ 2242{
2159 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2243 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2160 2244
2161 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2245 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2162 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2246 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2164 2248
2165 return flags; 2249 return flags;
2166} 2250}
2167 2251
2168unsigned int 2252unsigned int
2169ev_backend (EV_P) 2253ev_backend (EV_P) EV_THROW
2170{ 2254{
2171 return backend; 2255 return backend;
2172} 2256}
2173 2257
2174#if EV_FEATURE_API 2258#if EV_FEATURE_API
2175unsigned int 2259unsigned int
2176ev_iteration (EV_P) 2260ev_iteration (EV_P) EV_THROW
2177{ 2261{
2178 return loop_count; 2262 return loop_count;
2179} 2263}
2180 2264
2181unsigned int 2265unsigned int
2182ev_depth (EV_P) 2266ev_depth (EV_P) EV_THROW
2183{ 2267{
2184 return loop_depth; 2268 return loop_depth;
2185} 2269}
2186 2270
2187void 2271void
2188ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2272ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2189{ 2273{
2190 io_blocktime = interval; 2274 io_blocktime = interval;
2191} 2275}
2192 2276
2193void 2277void
2194ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2278ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2195{ 2279{
2196 timeout_blocktime = interval; 2280 timeout_blocktime = interval;
2197} 2281}
2198 2282
2199void 2283void
2200ev_set_userdata (EV_P_ void *data) 2284ev_set_userdata (EV_P_ void *data) EV_THROW
2201{ 2285{
2202 userdata = data; 2286 userdata = data;
2203} 2287}
2204 2288
2205void * 2289void *
2206ev_userdata (EV_P) 2290ev_userdata (EV_P) EV_THROW
2207{ 2291{
2208 return userdata; 2292 return userdata;
2209} 2293}
2210 2294
2211void 2295void
2212ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2296ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2213{ 2297{
2214 invoke_cb = invoke_pending_cb; 2298 invoke_cb = invoke_pending_cb;
2215} 2299}
2216 2300
2217void 2301void
2218ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2302ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2219{ 2303{
2220 release_cb = release; 2304 release_cb = release;
2221 acquire_cb = acquire; 2305 acquire_cb = acquire;
2222} 2306}
2223#endif 2307#endif
2224 2308
2225/* initialise a loop structure, must be zero-initialised */ 2309/* initialise a loop structure, must be zero-initialised */
2226static void noinline ecb_cold 2310static void noinline ecb_cold
2227loop_init (EV_P_ unsigned int flags) 2311loop_init (EV_P_ unsigned int flags) EV_THROW
2228{ 2312{
2229 if (!backend) 2313 if (!backend)
2230 { 2314 {
2231 origflags = flags; 2315 origflags = flags;
2232 2316
2277#if EV_ASYNC_ENABLE 2361#if EV_ASYNC_ENABLE
2278 async_pending = 0; 2362 async_pending = 0;
2279#endif 2363#endif
2280 pipe_write_skipped = 0; 2364 pipe_write_skipped = 0;
2281 pipe_write_wanted = 0; 2365 pipe_write_wanted = 0;
2366 evpipe [0] = -1;
2367 evpipe [1] = -1;
2282#if EV_USE_INOTIFY 2368#if EV_USE_INOTIFY
2283 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2369 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2284#endif 2370#endif
2285#if EV_USE_SIGNALFD 2371#if EV_USE_SIGNALFD
2286 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2372 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
2337 EV_INVOKE_PENDING; 2423 EV_INVOKE_PENDING;
2338 } 2424 }
2339#endif 2425#endif
2340 2426
2341#if EV_CHILD_ENABLE 2427#if EV_CHILD_ENABLE
2342 if (ev_is_active (&childev)) 2428 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2343 { 2429 {
2344 ev_ref (EV_A); /* child watcher */ 2430 ev_ref (EV_A); /* child watcher */
2345 ev_signal_stop (EV_A_ &childev); 2431 ev_signal_stop (EV_A_ &childev);
2346 } 2432 }
2347#endif 2433#endif
2349 if (ev_is_active (&pipe_w)) 2435 if (ev_is_active (&pipe_w))
2350 { 2436 {
2351 /*ev_ref (EV_A);*/ 2437 /*ev_ref (EV_A);*/
2352 /*ev_io_stop (EV_A_ &pipe_w);*/ 2438 /*ev_io_stop (EV_A_ &pipe_w);*/
2353 2439
2354#if EV_USE_EVENTFD
2355 if (evfd >= 0)
2356 close (evfd);
2357#endif
2358
2359 if (evpipe [0] >= 0)
2360 {
2361 EV_WIN32_CLOSE_FD (evpipe [0]); 2440 if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2362 EV_WIN32_CLOSE_FD (evpipe [1]); 2441 if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2363 }
2364 } 2442 }
2365 2443
2366#if EV_USE_SIGNALFD 2444#if EV_USE_SIGNALFD
2367 if (ev_is_active (&sigfd_w)) 2445 if (ev_is_active (&sigfd_w))
2368 close (sigfd); 2446 close (sigfd);
2454#endif 2532#endif
2455#if EV_USE_INOTIFY 2533#if EV_USE_INOTIFY
2456 infy_fork (EV_A); 2534 infy_fork (EV_A);
2457#endif 2535#endif
2458 2536
2537#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2459 if (ev_is_active (&pipe_w)) 2538 if (ev_is_active (&pipe_w))
2460 { 2539 {
2461 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ 2540 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2462 2541
2463 ev_ref (EV_A); 2542 ev_ref (EV_A);
2464 ev_io_stop (EV_A_ &pipe_w); 2543 ev_io_stop (EV_A_ &pipe_w);
2465 2544
2466#if EV_USE_EVENTFD
2467 if (evfd >= 0)
2468 close (evfd);
2469#endif
2470
2471 if (evpipe [0] >= 0) 2545 if (evpipe [0] >= 0)
2472 {
2473 EV_WIN32_CLOSE_FD (evpipe [0]); 2546 EV_WIN32_CLOSE_FD (evpipe [0]);
2474 EV_WIN32_CLOSE_FD (evpipe [1]);
2475 }
2476 2547
2477#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2478 evpipe_init (EV_A); 2548 evpipe_init (EV_A);
2479 /* now iterate over everything, in case we missed something */ 2549 /* iterate over everything, in case we missed something before */
2480 pipecb (EV_A_ &pipe_w, EV_READ); 2550 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2481#endif
2482 } 2551 }
2552#endif
2483 2553
2484 postfork = 0; 2554 postfork = 0;
2485} 2555}
2486 2556
2487#if EV_MULTIPLICITY 2557#if EV_MULTIPLICITY
2488 2558
2489struct ev_loop * ecb_cold 2559struct ev_loop * ecb_cold
2490ev_loop_new (unsigned int flags) 2560ev_loop_new (unsigned int flags) EV_THROW
2491{ 2561{
2492 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2562 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2493 2563
2494 memset (EV_A, 0, sizeof (struct ev_loop)); 2564 memset (EV_A, 0, sizeof (struct ev_loop));
2495 loop_init (EV_A_ flags); 2565 loop_init (EV_A_ flags);
2539} 2609}
2540#endif 2610#endif
2541 2611
2542#if EV_FEATURE_API 2612#if EV_FEATURE_API
2543void ecb_cold 2613void ecb_cold
2544ev_verify (EV_P) 2614ev_verify (EV_P) EV_THROW
2545{ 2615{
2546#if EV_VERIFY 2616#if EV_VERIFY
2547 int i; 2617 int i;
2548 WL w; 2618 WL w, w2;
2549 2619
2550 assert (activecnt >= -1); 2620 assert (activecnt >= -1);
2551 2621
2552 assert (fdchangemax >= fdchangecnt); 2622 assert (fdchangemax >= fdchangecnt);
2553 for (i = 0; i < fdchangecnt; ++i) 2623 for (i = 0; i < fdchangecnt; ++i)
2554 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2624 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2555 2625
2556 assert (anfdmax >= 0); 2626 assert (anfdmax >= 0);
2557 for (i = 0; i < anfdmax; ++i) 2627 for (i = 0; i < anfdmax; ++i)
2628 {
2629 int j = 0;
2630
2558 for (w = anfds [i].head; w; w = w->next) 2631 for (w = w2 = anfds [i].head; w; w = w->next)
2559 { 2632 {
2560 verify_watcher (EV_A_ (W)w); 2633 verify_watcher (EV_A_ (W)w);
2634
2635 if (j++ & 1)
2636 {
2637 assert (("libev: io watcher list contains a loop", w != w2));
2638 w2 = w2->next;
2639 }
2640
2561 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2641 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2562 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2642 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2563 } 2643 }
2644 }
2564 2645
2565 assert (timermax >= timercnt); 2646 assert (timermax >= timercnt);
2566 verify_heap (EV_A_ timers, timercnt); 2647 verify_heap (EV_A_ timers, timercnt);
2567 2648
2568#if EV_PERIODIC_ENABLE 2649#if EV_PERIODIC_ENABLE
2618#if EV_MULTIPLICITY 2699#if EV_MULTIPLICITY
2619struct ev_loop * ecb_cold 2700struct ev_loop * ecb_cold
2620#else 2701#else
2621int 2702int
2622#endif 2703#endif
2623ev_default_loop (unsigned int flags) 2704ev_default_loop (unsigned int flags) EV_THROW
2624{ 2705{
2625 if (!ev_default_loop_ptr) 2706 if (!ev_default_loop_ptr)
2626 { 2707 {
2627#if EV_MULTIPLICITY 2708#if EV_MULTIPLICITY
2628 EV_P = ev_default_loop_ptr = &default_loop_struct; 2709 EV_P = ev_default_loop_ptr = &default_loop_struct;
2647 2728
2648 return ev_default_loop_ptr; 2729 return ev_default_loop_ptr;
2649} 2730}
2650 2731
2651void 2732void
2652ev_loop_fork (EV_P) 2733ev_loop_fork (EV_P) EV_THROW
2653{ 2734{
2654 postfork = 1; /* must be in line with ev_default_fork */ 2735 postfork = 1;
2655} 2736}
2656 2737
2657/*****************************************************************************/ 2738/*****************************************************************************/
2658 2739
2659void 2740void
2661{ 2742{
2662 EV_CB_INVOKE ((W)w, revents); 2743 EV_CB_INVOKE ((W)w, revents);
2663} 2744}
2664 2745
2665unsigned int 2746unsigned int
2666ev_pending_count (EV_P) 2747ev_pending_count (EV_P) EV_THROW
2667{ 2748{
2668 int pri; 2749 int pri;
2669 unsigned int count = 0; 2750 unsigned int count = 0;
2670 2751
2671 for (pri = NUMPRI; pri--; ) 2752 for (pri = NUMPRI; pri--; )
2675} 2756}
2676 2757
2677void noinline 2758void noinline
2678ev_invoke_pending (EV_P) 2759ev_invoke_pending (EV_P)
2679{ 2760{
2680 int pri; 2761 pendingpri = NUMPRI;
2681 2762
2682 for (pri = NUMPRI; pri--; ) 2763 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
2764 {
2765 --pendingpri;
2766
2683 while (pendingcnt [pri]) 2767 while (pendingcnt [pendingpri])
2684 { 2768 {
2685 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2769 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2686 2770
2687 p->w->pending = 0; 2771 p->w->pending = 0;
2688 EV_CB_INVOKE (p->w, p->events); 2772 EV_CB_INVOKE (p->w, p->events);
2689 EV_FREQUENT_CHECK; 2773 EV_FREQUENT_CHECK;
2690 } 2774 }
2775 }
2691} 2776}
2692 2777
2693#if EV_IDLE_ENABLE 2778#if EV_IDLE_ENABLE
2694/* make idle watchers pending. this handles the "call-idle */ 2779/* make idle watchers pending. this handles the "call-idle */
2695/* only when higher priorities are idle" logic */ 2780/* only when higher priorities are idle" logic */
2785{ 2870{
2786 EV_FREQUENT_CHECK; 2871 EV_FREQUENT_CHECK;
2787 2872
2788 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2873 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2789 { 2874 {
2790 int feed_count = 0;
2791
2792 do 2875 do
2793 { 2876 {
2794 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2877 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2795 2878
2796 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 2879 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
3055 backend_poll (EV_A_ waittime); 3138 backend_poll (EV_A_ waittime);
3056 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3139 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3057 3140
3058 pipe_write_wanted = 0; /* just an optimisation, no fence needed */ 3141 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3059 3142
3143 ECB_MEMORY_FENCE_ACQUIRE;
3060 if (pipe_write_skipped) 3144 if (pipe_write_skipped)
3061 { 3145 {
3062 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3146 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3063 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3147 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3064 } 3148 }
3102 3186
3103 return activecnt; 3187 return activecnt;
3104} 3188}
3105 3189
3106void 3190void
3107ev_break (EV_P_ int how) 3191ev_break (EV_P_ int how) EV_THROW
3108{ 3192{
3109 loop_done = how; 3193 loop_done = how;
3110} 3194}
3111 3195
3112void 3196void
3113ev_ref (EV_P) 3197ev_ref (EV_P) EV_THROW
3114{ 3198{
3115 ++activecnt; 3199 ++activecnt;
3116} 3200}
3117 3201
3118void 3202void
3119ev_unref (EV_P) 3203ev_unref (EV_P) EV_THROW
3120{ 3204{
3121 --activecnt; 3205 --activecnt;
3122} 3206}
3123 3207
3124void 3208void
3125ev_now_update (EV_P) 3209ev_now_update (EV_P) EV_THROW
3126{ 3210{
3127 time_update (EV_A_ 1e100); 3211 time_update (EV_A_ 1e100);
3128} 3212}
3129 3213
3130void 3214void
3131ev_suspend (EV_P) 3215ev_suspend (EV_P) EV_THROW
3132{ 3216{
3133 ev_now_update (EV_A); 3217 ev_now_update (EV_A);
3134} 3218}
3135 3219
3136void 3220void
3137ev_resume (EV_P) 3221ev_resume (EV_P) EV_THROW
3138{ 3222{
3139 ev_tstamp mn_prev = mn_now; 3223 ev_tstamp mn_prev = mn_now;
3140 3224
3141 ev_now_update (EV_A); 3225 ev_now_update (EV_A);
3142 timers_reschedule (EV_A_ mn_now - mn_prev); 3226 timers_reschedule (EV_A_ mn_now - mn_prev);
3181 w->pending = 0; 3265 w->pending = 0;
3182 } 3266 }
3183} 3267}
3184 3268
3185int 3269int
3186ev_clear_pending (EV_P_ void *w) 3270ev_clear_pending (EV_P_ void *w) EV_THROW
3187{ 3271{
3188 W w_ = (W)w; 3272 W w_ = (W)w;
3189 int pending = w_->pending; 3273 int pending = w_->pending;
3190 3274
3191 if (expect_true (pending)) 3275 if (expect_true (pending))
3224} 3308}
3225 3309
3226/*****************************************************************************/ 3310/*****************************************************************************/
3227 3311
3228void noinline 3312void noinline
3229ev_io_start (EV_P_ ev_io *w) 3313ev_io_start (EV_P_ ev_io *w) EV_THROW
3230{ 3314{
3231 int fd = w->fd; 3315 int fd = w->fd;
3232 3316
3233 if (expect_false (ev_is_active (w))) 3317 if (expect_false (ev_is_active (w)))
3234 return; 3318 return;
3240 3324
3241 ev_start (EV_A_ (W)w, 1); 3325 ev_start (EV_A_ (W)w, 1);
3242 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3326 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3243 wlist_add (&anfds[fd].head, (WL)w); 3327 wlist_add (&anfds[fd].head, (WL)w);
3244 3328
3329 /* common bug, apparently */
3330 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3331
3245 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3332 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3246 w->events &= ~EV__IOFDSET; 3333 w->events &= ~EV__IOFDSET;
3247 3334
3248 EV_FREQUENT_CHECK; 3335 EV_FREQUENT_CHECK;
3249} 3336}
3250 3337
3251void noinline 3338void noinline
3252ev_io_stop (EV_P_ ev_io *w) 3339ev_io_stop (EV_P_ ev_io *w) EV_THROW
3253{ 3340{
3254 clear_pending (EV_A_ (W)w); 3341 clear_pending (EV_A_ (W)w);
3255 if (expect_false (!ev_is_active (w))) 3342 if (expect_false (!ev_is_active (w)))
3256 return; 3343 return;
3257 3344
3266 3353
3267 EV_FREQUENT_CHECK; 3354 EV_FREQUENT_CHECK;
3268} 3355}
3269 3356
3270void noinline 3357void noinline
3271ev_timer_start (EV_P_ ev_timer *w) 3358ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3272{ 3359{
3273 if (expect_false (ev_is_active (w))) 3360 if (expect_false (ev_is_active (w)))
3274 return; 3361 return;
3275 3362
3276 ev_at (w) += mn_now; 3363 ev_at (w) += mn_now;
3290 3377
3291 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3378 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3292} 3379}
3293 3380
3294void noinline 3381void noinline
3295ev_timer_stop (EV_P_ ev_timer *w) 3382ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3296{ 3383{
3297 clear_pending (EV_A_ (W)w); 3384 clear_pending (EV_A_ (W)w);
3298 if (expect_false (!ev_is_active (w))) 3385 if (expect_false (!ev_is_active (w)))
3299 return; 3386 return;
3300 3387
3320 3407
3321 EV_FREQUENT_CHECK; 3408 EV_FREQUENT_CHECK;
3322} 3409}
3323 3410
3324void noinline 3411void noinline
3325ev_timer_again (EV_P_ ev_timer *w) 3412ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3326{ 3413{
3327 EV_FREQUENT_CHECK; 3414 EV_FREQUENT_CHECK;
3328 3415
3329 clear_pending (EV_A_ (W)w); 3416 clear_pending (EV_A_ (W)w);
3330 3417
3347 3434
3348 EV_FREQUENT_CHECK; 3435 EV_FREQUENT_CHECK;
3349} 3436}
3350 3437
3351ev_tstamp 3438ev_tstamp
3352ev_timer_remaining (EV_P_ ev_timer *w) 3439ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3353{ 3440{
3354 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3441 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3355} 3442}
3356 3443
3357#if EV_PERIODIC_ENABLE 3444#if EV_PERIODIC_ENABLE
3358void noinline 3445void noinline
3359ev_periodic_start (EV_P_ ev_periodic *w) 3446ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3360{ 3447{
3361 if (expect_false (ev_is_active (w))) 3448 if (expect_false (ev_is_active (w)))
3362 return; 3449 return;
3363 3450
3364 if (w->reschedule_cb) 3451 if (w->reschedule_cb)
3384 3471
3385 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3472 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3386} 3473}
3387 3474
3388void noinline 3475void noinline
3389ev_periodic_stop (EV_P_ ev_periodic *w) 3476ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3390{ 3477{
3391 clear_pending (EV_A_ (W)w); 3478 clear_pending (EV_A_ (W)w);
3392 if (expect_false (!ev_is_active (w))) 3479 if (expect_false (!ev_is_active (w)))
3393 return; 3480 return;
3394 3481
3412 3499
3413 EV_FREQUENT_CHECK; 3500 EV_FREQUENT_CHECK;
3414} 3501}
3415 3502
3416void noinline 3503void noinline
3417ev_periodic_again (EV_P_ ev_periodic *w) 3504ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3418{ 3505{
3419 /* TODO: use adjustheap and recalculation */ 3506 /* TODO: use adjustheap and recalculation */
3420 ev_periodic_stop (EV_A_ w); 3507 ev_periodic_stop (EV_A_ w);
3421 ev_periodic_start (EV_A_ w); 3508 ev_periodic_start (EV_A_ w);
3422} 3509}
3427#endif 3514#endif
3428 3515
3429#if EV_SIGNAL_ENABLE 3516#if EV_SIGNAL_ENABLE
3430 3517
3431void noinline 3518void noinline
3432ev_signal_start (EV_P_ ev_signal *w) 3519ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3433{ 3520{
3434 if (expect_false (ev_is_active (w))) 3521 if (expect_false (ev_is_active (w)))
3435 return; 3522 return;
3436 3523
3437 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3524 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3508 3595
3509 EV_FREQUENT_CHECK; 3596 EV_FREQUENT_CHECK;
3510} 3597}
3511 3598
3512void noinline 3599void noinline
3513ev_signal_stop (EV_P_ ev_signal *w) 3600ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3514{ 3601{
3515 clear_pending (EV_A_ (W)w); 3602 clear_pending (EV_A_ (W)w);
3516 if (expect_false (!ev_is_active (w))) 3603 if (expect_false (!ev_is_active (w)))
3517 return; 3604 return;
3518 3605
3549#endif 3636#endif
3550 3637
3551#if EV_CHILD_ENABLE 3638#if EV_CHILD_ENABLE
3552 3639
3553void 3640void
3554ev_child_start (EV_P_ ev_child *w) 3641ev_child_start (EV_P_ ev_child *w) EV_THROW
3555{ 3642{
3556#if EV_MULTIPLICITY 3643#if EV_MULTIPLICITY
3557 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3644 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3558#endif 3645#endif
3559 if (expect_false (ev_is_active (w))) 3646 if (expect_false (ev_is_active (w)))
3566 3653
3567 EV_FREQUENT_CHECK; 3654 EV_FREQUENT_CHECK;
3568} 3655}
3569 3656
3570void 3657void
3571ev_child_stop (EV_P_ ev_child *w) 3658ev_child_stop (EV_P_ ev_child *w) EV_THROW
3572{ 3659{
3573 clear_pending (EV_A_ (W)w); 3660 clear_pending (EV_A_ (W)w);
3574 if (expect_false (!ev_is_active (w))) 3661 if (expect_false (!ev_is_active (w)))
3575 return; 3662 return;
3576 3663
3828#else 3915#else
3829# define EV_LSTAT(p,b) lstat (p, b) 3916# define EV_LSTAT(p,b) lstat (p, b)
3830#endif 3917#endif
3831 3918
3832void 3919void
3833ev_stat_stat (EV_P_ ev_stat *w) 3920ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3834{ 3921{
3835 if (lstat (w->path, &w->attr) < 0) 3922 if (lstat (w->path, &w->attr) < 0)
3836 w->attr.st_nlink = 0; 3923 w->attr.st_nlink = 0;
3837 else if (!w->attr.st_nlink) 3924 else if (!w->attr.st_nlink)
3838 w->attr.st_nlink = 1; 3925 w->attr.st_nlink = 1;
3877 ev_feed_event (EV_A_ w, EV_STAT); 3964 ev_feed_event (EV_A_ w, EV_STAT);
3878 } 3965 }
3879} 3966}
3880 3967
3881void 3968void
3882ev_stat_start (EV_P_ ev_stat *w) 3969ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3883{ 3970{
3884 if (expect_false (ev_is_active (w))) 3971 if (expect_false (ev_is_active (w)))
3885 return; 3972 return;
3886 3973
3887 ev_stat_stat (EV_A_ w); 3974 ev_stat_stat (EV_A_ w);
3908 3995
3909 EV_FREQUENT_CHECK; 3996 EV_FREQUENT_CHECK;
3910} 3997}
3911 3998
3912void 3999void
3913ev_stat_stop (EV_P_ ev_stat *w) 4000ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3914{ 4001{
3915 clear_pending (EV_A_ (W)w); 4002 clear_pending (EV_A_ (W)w);
3916 if (expect_false (!ev_is_active (w))) 4003 if (expect_false (!ev_is_active (w)))
3917 return; 4004 return;
3918 4005
3934} 4021}
3935#endif 4022#endif
3936 4023
3937#if EV_IDLE_ENABLE 4024#if EV_IDLE_ENABLE
3938void 4025void
3939ev_idle_start (EV_P_ ev_idle *w) 4026ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3940{ 4027{
3941 if (expect_false (ev_is_active (w))) 4028 if (expect_false (ev_is_active (w)))
3942 return; 4029 return;
3943 4030
3944 pri_adjust (EV_A_ (W)w); 4031 pri_adjust (EV_A_ (W)w);
3957 4044
3958 EV_FREQUENT_CHECK; 4045 EV_FREQUENT_CHECK;
3959} 4046}
3960 4047
3961void 4048void
3962ev_idle_stop (EV_P_ ev_idle *w) 4049ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3963{ 4050{
3964 clear_pending (EV_A_ (W)w); 4051 clear_pending (EV_A_ (W)w);
3965 if (expect_false (!ev_is_active (w))) 4052 if (expect_false (!ev_is_active (w)))
3966 return; 4053 return;
3967 4054
3981} 4068}
3982#endif 4069#endif
3983 4070
3984#if EV_PREPARE_ENABLE 4071#if EV_PREPARE_ENABLE
3985void 4072void
3986ev_prepare_start (EV_P_ ev_prepare *w) 4073ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3987{ 4074{
3988 if (expect_false (ev_is_active (w))) 4075 if (expect_false (ev_is_active (w)))
3989 return; 4076 return;
3990 4077
3991 EV_FREQUENT_CHECK; 4078 EV_FREQUENT_CHECK;
3996 4083
3997 EV_FREQUENT_CHECK; 4084 EV_FREQUENT_CHECK;
3998} 4085}
3999 4086
4000void 4087void
4001ev_prepare_stop (EV_P_ ev_prepare *w) 4088ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
4002{ 4089{
4003 clear_pending (EV_A_ (W)w); 4090 clear_pending (EV_A_ (W)w);
4004 if (expect_false (!ev_is_active (w))) 4091 if (expect_false (!ev_is_active (w)))
4005 return; 4092 return;
4006 4093
4019} 4106}
4020#endif 4107#endif
4021 4108
4022#if EV_CHECK_ENABLE 4109#if EV_CHECK_ENABLE
4023void 4110void
4024ev_check_start (EV_P_ ev_check *w) 4111ev_check_start (EV_P_ ev_check *w) EV_THROW
4025{ 4112{
4026 if (expect_false (ev_is_active (w))) 4113 if (expect_false (ev_is_active (w)))
4027 return; 4114 return;
4028 4115
4029 EV_FREQUENT_CHECK; 4116 EV_FREQUENT_CHECK;
4034 4121
4035 EV_FREQUENT_CHECK; 4122 EV_FREQUENT_CHECK;
4036} 4123}
4037 4124
4038void 4125void
4039ev_check_stop (EV_P_ ev_check *w) 4126ev_check_stop (EV_P_ ev_check *w) EV_THROW
4040{ 4127{
4041 clear_pending (EV_A_ (W)w); 4128 clear_pending (EV_A_ (W)w);
4042 if (expect_false (!ev_is_active (w))) 4129 if (expect_false (!ev_is_active (w)))
4043 return; 4130 return;
4044 4131
4057} 4144}
4058#endif 4145#endif
4059 4146
4060#if EV_EMBED_ENABLE 4147#if EV_EMBED_ENABLE
4061void noinline 4148void noinline
4062ev_embed_sweep (EV_P_ ev_embed *w) 4149ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4063{ 4150{
4064 ev_run (w->other, EVRUN_NOWAIT); 4151 ev_run (w->other, EVRUN_NOWAIT);
4065} 4152}
4066 4153
4067static void 4154static void
4115 ev_idle_stop (EV_A_ idle); 4202 ev_idle_stop (EV_A_ idle);
4116} 4203}
4117#endif 4204#endif
4118 4205
4119void 4206void
4120ev_embed_start (EV_P_ ev_embed *w) 4207ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4121{ 4208{
4122 if (expect_false (ev_is_active (w))) 4209 if (expect_false (ev_is_active (w)))
4123 return; 4210 return;
4124 4211
4125 { 4212 {
4146 4233
4147 EV_FREQUENT_CHECK; 4234 EV_FREQUENT_CHECK;
4148} 4235}
4149 4236
4150void 4237void
4151ev_embed_stop (EV_P_ ev_embed *w) 4238ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4152{ 4239{
4153 clear_pending (EV_A_ (W)w); 4240 clear_pending (EV_A_ (W)w);
4154 if (expect_false (!ev_is_active (w))) 4241 if (expect_false (!ev_is_active (w)))
4155 return; 4242 return;
4156 4243
4166} 4253}
4167#endif 4254#endif
4168 4255
4169#if EV_FORK_ENABLE 4256#if EV_FORK_ENABLE
4170void 4257void
4171ev_fork_start (EV_P_ ev_fork *w) 4258ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4172{ 4259{
4173 if (expect_false (ev_is_active (w))) 4260 if (expect_false (ev_is_active (w)))
4174 return; 4261 return;
4175 4262
4176 EV_FREQUENT_CHECK; 4263 EV_FREQUENT_CHECK;
4181 4268
4182 EV_FREQUENT_CHECK; 4269 EV_FREQUENT_CHECK;
4183} 4270}
4184 4271
4185void 4272void
4186ev_fork_stop (EV_P_ ev_fork *w) 4273ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4187{ 4274{
4188 clear_pending (EV_A_ (W)w); 4275 clear_pending (EV_A_ (W)w);
4189 if (expect_false (!ev_is_active (w))) 4276 if (expect_false (!ev_is_active (w)))
4190 return; 4277 return;
4191 4278
4204} 4291}
4205#endif 4292#endif
4206 4293
4207#if EV_CLEANUP_ENABLE 4294#if EV_CLEANUP_ENABLE
4208void 4295void
4209ev_cleanup_start (EV_P_ ev_cleanup *w) 4296ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4210{ 4297{
4211 if (expect_false (ev_is_active (w))) 4298 if (expect_false (ev_is_active (w)))
4212 return; 4299 return;
4213 4300
4214 EV_FREQUENT_CHECK; 4301 EV_FREQUENT_CHECK;
4221 ev_unref (EV_A); 4308 ev_unref (EV_A);
4222 EV_FREQUENT_CHECK; 4309 EV_FREQUENT_CHECK;
4223} 4310}
4224 4311
4225void 4312void
4226ev_cleanup_stop (EV_P_ ev_cleanup *w) 4313ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4227{ 4314{
4228 clear_pending (EV_A_ (W)w); 4315 clear_pending (EV_A_ (W)w);
4229 if (expect_false (!ev_is_active (w))) 4316 if (expect_false (!ev_is_active (w)))
4230 return; 4317 return;
4231 4318
4245} 4332}
4246#endif 4333#endif
4247 4334
4248#if EV_ASYNC_ENABLE 4335#if EV_ASYNC_ENABLE
4249void 4336void
4250ev_async_start (EV_P_ ev_async *w) 4337ev_async_start (EV_P_ ev_async *w) EV_THROW
4251{ 4338{
4252 if (expect_false (ev_is_active (w))) 4339 if (expect_false (ev_is_active (w)))
4253 return; 4340 return;
4254 4341
4255 w->sent = 0; 4342 w->sent = 0;
4264 4351
4265 EV_FREQUENT_CHECK; 4352 EV_FREQUENT_CHECK;
4266} 4353}
4267 4354
4268void 4355void
4269ev_async_stop (EV_P_ ev_async *w) 4356ev_async_stop (EV_P_ ev_async *w) EV_THROW
4270{ 4357{
4271 clear_pending (EV_A_ (W)w); 4358 clear_pending (EV_A_ (W)w);
4272 if (expect_false (!ev_is_active (w))) 4359 if (expect_false (!ev_is_active (w)))
4273 return; 4360 return;
4274 4361
4285 4372
4286 EV_FREQUENT_CHECK; 4373 EV_FREQUENT_CHECK;
4287} 4374}
4288 4375
4289void 4376void
4290ev_async_send (EV_P_ ev_async *w) 4377ev_async_send (EV_P_ ev_async *w) EV_THROW
4291{ 4378{
4292 w->sent = 1; 4379 w->sent = 1;
4293 evpipe_write (EV_A_ &async_pending); 4380 evpipe_write (EV_A_ &async_pending);
4294} 4381}
4295#endif 4382#endif
4332 4419
4333 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4420 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4334} 4421}
4335 4422
4336void 4423void
4337ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4424ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4338{ 4425{
4339 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4426 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4340 4427
4341 if (expect_false (!once)) 4428 if (expect_false (!once))
4342 { 4429 {
4364 4451
4365/*****************************************************************************/ 4452/*****************************************************************************/
4366 4453
4367#if EV_WALK_ENABLE 4454#if EV_WALK_ENABLE
4368void ecb_cold 4455void ecb_cold
4369ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4456ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4370{ 4457{
4371 int i, j; 4458 int i, j;
4372 ev_watcher_list *wl, *wn; 4459 ev_watcher_list *wl, *wn;
4373 4460
4374 if (types & (EV_IO | EV_EMBED)) 4461 if (types & (EV_IO | EV_EMBED))

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