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Comparing libev/ev.c (file contents):
Revision 1.419 by root, Thu Apr 12 04:10:15 2012 UTC vs.
Revision 1.446 by root, Mon Jun 11 12:50:50 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")
584 #elif defined __alpha__ 605 #elif defined __alpha__
585 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") 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")
586 #endif 612 #endif
587 #endif 613 #endif
588#endif 614#endif
589 615
590#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)
591 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ 623 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
592 #define ECB_MEMORY_FENCE __sync_synchronize () 624 #define ECB_MEMORY_FENCE __sync_synchronize ()
593 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
594 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
595 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 625 #elif _MSC_VER >= 1400 /* VC++ 2005 */
596 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 626 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
597 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 627 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
598 #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 */
599 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 629 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
… …
609 #define ECB_MEMORY_FENCE __sync () 639 #define ECB_MEMORY_FENCE __sync ()
610 #endif 640 #endif
611#endif 641#endif
612 642
613#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
614 #if !ECB_AVOID_PTHREADS 659 #if !ECB_AVOID_PTHREADS
615 /* 660 /*
616 * if you get undefined symbol references to pthread_mutex_lock, 661 * if you get undefined symbol references to pthread_mutex_lock,
617 * or failure to find pthread.h, then you should implement 662 * or failure to find pthread.h, then you should implement
618 * the ECB_MEMORY_FENCE operations for your cpu/compiler 663 * the ECB_MEMORY_FENCE operations for your cpu/compiler
… …
636 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 681 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
637#endif 682#endif
638 683
639/*****************************************************************************/ 684/*****************************************************************************/
640 685
641#define ECB_C99 (__STDC_VERSION__ >= 199901L)
642
643#if __cplusplus 686#if __cplusplus
644 #define ecb_inline static inline 687 #define ecb_inline static inline
645#elif ECB_GCC_VERSION(2,5) 688#elif ECB_GCC_VERSION(2,5)
646 #define ecb_inline static __inline__ 689 #define ecb_inline static __inline__
647#elif ECB_C99 690#elif ECB_C99
… …
685#elif ECB_GCC_VERSION(3,0) 728#elif ECB_GCC_VERSION(3,0)
686 #define ecb_decltype(x) __typeof(x) 729 #define ecb_decltype(x) __typeof(x)
687#endif 730#endif
688 731
689#define ecb_noinline ecb_attribute ((__noinline__)) 732#define ecb_noinline ecb_attribute ((__noinline__))
690#define ecb_noreturn ecb_attribute ((__noreturn__))
691#define ecb_unused ecb_attribute ((__unused__)) 733#define ecb_unused ecb_attribute ((__unused__))
692#define ecb_const ecb_attribute ((__const__)) 734#define ecb_const ecb_attribute ((__const__))
693#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
694 742
695#if ECB_GCC_VERSION(4,3) 743#if ECB_GCC_VERSION(4,3)
696 #define ecb_artificial ecb_attribute ((__artificial__)) 744 #define ecb_artificial ecb_attribute ((__artificial__))
697 #define ecb_hot ecb_attribute ((__hot__)) 745 #define ecb_hot ecb_attribute ((__hot__))
698 #define ecb_cold ecb_attribute ((__cold__)) 746 #define ecb_cold ecb_attribute ((__cold__))
… …
789 837
790 return r + ecb_ld32 (x); 838 return r + ecb_ld32 (x);
791 } 839 }
792#endif 840#endif
793 841
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
794ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; 847ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
795ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) 848ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
796{ 849{
797 return ( (x * 0x0802U & 0x22110U) 850 return ( (x * 0x0802U & 0x22110U)
798 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; 851 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
… …
1105{ 1158{
1106 write (STDERR_FILENO, msg, strlen (msg)); 1159 write (STDERR_FILENO, msg, strlen (msg));
1107} 1160}
1108#endif 1161#endif
1109 1162
1110static void (*syserr_cb)(const char *msg); 1163static void (*syserr_cb)(const char *msg) EV_THROW;
1111 1164
1112void ecb_cold 1165void ecb_cold
1113ev_set_syserr_cb (void (*cb)(const char *msg)) 1166ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1114{ 1167{
1115 syserr_cb = cb; 1168 syserr_cb = cb;
1116} 1169}
1117 1170
1118static void noinline ecb_cold 1171static void noinline ecb_cold
… …
1136 abort (); 1189 abort ();
1137 } 1190 }
1138} 1191}
1139 1192
1140static void * 1193static void *
1141ev_realloc_emul (void *ptr, long size) 1194ev_realloc_emul (void *ptr, long size) EV_THROW
1142{ 1195{
1143#if __GLIBC__ 1196#if __GLIBC__
1144 return realloc (ptr, size); 1197 return realloc (ptr, size);
1145#else 1198#else
1146 /* some systems, notably openbsd and darwin, fail to properly 1199 /* some systems, notably openbsd and darwin, fail to properly
… …
1154 free (ptr); 1207 free (ptr);
1155 return 0; 1208 return 0;
1156#endif 1209#endif
1157} 1210}
1158 1211
1159static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1212static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1160 1213
1161void ecb_cold 1214void ecb_cold
1162ev_set_allocator (void *(*cb)(void *ptr, long size)) 1215ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1163{ 1216{
1164 alloc = cb; 1217 alloc = cb;
1165} 1218}
1166 1219
1167inline_speed void * 1220inline_speed void *
… …
1284 1337
1285/*****************************************************************************/ 1338/*****************************************************************************/
1286 1339
1287#ifndef EV_HAVE_EV_TIME 1340#ifndef EV_HAVE_EV_TIME
1288ev_tstamp 1341ev_tstamp
1289ev_time (void) 1342ev_time (void) EV_THROW
1290{ 1343{
1291#if EV_USE_REALTIME 1344#if EV_USE_REALTIME
1292 if (expect_true (have_realtime)) 1345 if (expect_true (have_realtime))
1293 { 1346 {
1294 struct timespec ts; 1347 struct timespec ts;
… …
1318 return ev_time (); 1371 return ev_time ();
1319} 1372}
1320 1373
1321#if EV_MULTIPLICITY 1374#if EV_MULTIPLICITY
1322ev_tstamp 1375ev_tstamp
1323ev_now (EV_P) 1376ev_now (EV_P) EV_THROW
1324{ 1377{
1325 return ev_rt_now; 1378 return ev_rt_now;
1326} 1379}
1327#endif 1380#endif
1328 1381
1329void 1382void
1330ev_sleep (ev_tstamp delay) 1383ev_sleep (ev_tstamp delay) EV_THROW
1331{ 1384{
1332 if (delay > 0.) 1385 if (delay > 0.)
1333 { 1386 {
1334#if EV_USE_NANOSLEEP 1387#if EV_USE_NANOSLEEP
1335 struct timespec ts; 1388 struct timespec ts;
… …
1416pendingcb (EV_P_ ev_prepare *w, int revents) 1469pendingcb (EV_P_ ev_prepare *w, int revents)
1417{ 1470{
1418} 1471}
1419 1472
1420void noinline 1473void noinline
1421ev_feed_event (EV_P_ void *w, int revents) 1474ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1422{ 1475{
1423 W w_ = (W)w; 1476 W w_ = (W)w;
1424 int pri = ABSPRI (w_); 1477 int pri = ABSPRI (w_);
1425 1478
1426 if (expect_false (w_->pending)) 1479 if (expect_false (w_->pending))
… …
1430 w_->pending = ++pendingcnt [pri]; 1483 w_->pending = ++pendingcnt [pri];
1431 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1484 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1432 pendings [pri][w_->pending - 1].w = w_; 1485 pendings [pri][w_->pending - 1].w = w_;
1433 pendings [pri][w_->pending - 1].events = revents; 1486 pendings [pri][w_->pending - 1].events = revents;
1434 } 1487 }
1488
1489 pendingpri = NUMPRI - 1;
1435} 1490}
1436 1491
1437inline_speed void 1492inline_speed void
1438feed_reverse (EV_P_ W w) 1493feed_reverse (EV_P_ W w)
1439{ 1494{
… …
1485 if (expect_true (!anfd->reify)) 1540 if (expect_true (!anfd->reify))
1486 fd_event_nocheck (EV_A_ fd, revents); 1541 fd_event_nocheck (EV_A_ fd, revents);
1487} 1542}
1488 1543
1489void 1544void
1490ev_feed_fd_event (EV_P_ int fd, int revents) 1545ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1491{ 1546{
1492 if (fd >= 0 && fd < anfdmax) 1547 if (fd >= 0 && fd < anfdmax)
1493 fd_event_nocheck (EV_A_ fd, revents); 1548 fd_event_nocheck (EV_A_ fd, revents);
1494} 1549}
1495 1550
… …
1844} 1899}
1845 1900
1846inline_speed void 1901inline_speed void
1847evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1902evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1848{ 1903{
1904 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1905
1849 if (expect_true (*flag)) 1906 if (expect_true (*flag))
1850 return; 1907 return;
1851 1908
1852 *flag = 1; 1909 *flag = 1;
1853
1854 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 1910 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1855 1911
1856 pipe_write_skipped = 1; 1912 pipe_write_skipped = 1;
1857 1913
1858 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ 1914 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1859 1915
1860 if (pipe_write_wanted) 1916 if (pipe_write_wanted)
1861 { 1917 {
1862 int old_errno; 1918 int old_errno;
1863 1919
1864 pipe_write_skipped = 0; /* just an optimisation, no fence needed */ 1920 pipe_write_skipped = 0;
1921 ECB_MEMORY_FENCE_RELEASE;
1865 1922
1866 old_errno = errno; /* save errno because write will clobber it */ 1923 old_errno = errno; /* save errno because write will clobber it */
1867 1924
1868#if EV_USE_EVENTFD 1925#if EV_USE_EVENTFD
1869 if (evfd >= 0) 1926 if (evfd >= 0)
… …
1872 write (evfd, &counter, sizeof (uint64_t)); 1929 write (evfd, &counter, sizeof (uint64_t));
1873 } 1930 }
1874 else 1931 else
1875#endif 1932#endif
1876 { 1933 {
1877 /* win32 people keep sending patches that change this write() to send() */ 1934#ifdef _WIN32
1878 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1935 WSABUF buf;
1879 /* so when you think this write should be a send instead, please find out */ 1936 DWORD sent;
1880 /* where your send() is from - it's definitely not the microsoft send, and */ 1937 buf.buf = &buf;
1881 /* tell me. thank you. */ 1938 buf.len = 1;
1882 /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */ 1939 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1883 /* check the ev documentation on how to use this flag */ 1940#else
1884 write (evpipe [1], &(evpipe [1]), 1); 1941 write (evpipe [1], &(evpipe [1]), 1);
1942#endif
1885 } 1943 }
1886 1944
1887 errno = old_errno; 1945 errno = old_errno;
1888 } 1946 }
1889} 1947}
… …
1904 read (evfd, &counter, sizeof (uint64_t)); 1962 read (evfd, &counter, sizeof (uint64_t));
1905 } 1963 }
1906 else 1964 else
1907#endif 1965#endif
1908 { 1966 {
1909 char dummy; 1967 char dummy[4];
1910 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1968#ifdef _WIN32
1969 WSABUF buf;
1970 DWORD recvd;
1971 DWORD flags = 0;
1972 buf.buf = dummy;
1973 buf.len = sizeof (dummy);
1974 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
1975#else
1911 read (evpipe [0], &dummy, 1); 1976 read (evpipe [0], &dummy, sizeof (dummy));
1977#endif
1912 } 1978 }
1913 } 1979 }
1914 1980
1915 pipe_write_skipped = 0; 1981 pipe_write_skipped = 0;
1982
1983 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1916 1984
1917#if EV_SIGNAL_ENABLE 1985#if EV_SIGNAL_ENABLE
1918 if (sig_pending) 1986 if (sig_pending)
1919 { 1987 {
1920 sig_pending = 0; 1988 sig_pending = 0;
1989
1990 ECB_MEMORY_FENCE;
1921 1991
1922 for (i = EV_NSIG - 1; i--; ) 1992 for (i = EV_NSIG - 1; i--; )
1923 if (expect_false (signals [i].pending)) 1993 if (expect_false (signals [i].pending))
1924 ev_feed_signal_event (EV_A_ i + 1); 1994 ev_feed_signal_event (EV_A_ i + 1);
1925 } 1995 }
… …
1927 1997
1928#if EV_ASYNC_ENABLE 1998#if EV_ASYNC_ENABLE
1929 if (async_pending) 1999 if (async_pending)
1930 { 2000 {
1931 async_pending = 0; 2001 async_pending = 0;
2002
2003 ECB_MEMORY_FENCE;
1932 2004
1933 for (i = asynccnt; i--; ) 2005 for (i = asynccnt; i--; )
1934 if (asyncs [i]->sent) 2006 if (asyncs [i]->sent)
1935 { 2007 {
1936 asyncs [i]->sent = 0; 2008 asyncs [i]->sent = 0;
2009 ECB_MEMORY_FENCE_RELEASE;
1937 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2010 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1938 } 2011 }
1939 } 2012 }
1940#endif 2013#endif
1941} 2014}
1942 2015
1943/*****************************************************************************/ 2016/*****************************************************************************/
1944 2017
1945void 2018void
1946ev_feed_signal (int signum) 2019ev_feed_signal (int signum) EV_THROW
1947{ 2020{
1948#if EV_MULTIPLICITY 2021#if EV_MULTIPLICITY
1949 EV_P = signals [signum - 1].loop; 2022 EV_P = signals [signum - 1].loop;
1950 2023
1951 if (!EV_A) 2024 if (!EV_A)
… …
1968 2041
1969 ev_feed_signal (signum); 2042 ev_feed_signal (signum);
1970} 2043}
1971 2044
1972void noinline 2045void noinline
1973ev_feed_signal_event (EV_P_ int signum) 2046ev_feed_signal_event (EV_P_ int signum) EV_THROW
1974{ 2047{
1975 WL w; 2048 WL w;
1976 2049
1977 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2050 if (expect_false (signum <= 0 || signum >= EV_NSIG))
1978 return; 2051 return;
1979 2052
1980 --signum; 2053 --signum;
1981 2054
1982#if EV_MULTIPLICITY 2055#if EV_MULTIPLICITY
… …
1986 if (expect_false (signals [signum].loop != EV_A)) 2059 if (expect_false (signals [signum].loop != EV_A))
1987 return; 2060 return;
1988#endif 2061#endif
1989 2062
1990 signals [signum].pending = 0; 2063 signals [signum].pending = 0;
2064 ECB_MEMORY_FENCE_RELEASE;
1991 2065
1992 for (w = signals [signum].head; w; w = w->next) 2066 for (w = signals [signum].head; w; w = w->next)
1993 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2067 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1994} 2068}
1995 2069
… …
2094#if EV_USE_SELECT 2168#if EV_USE_SELECT
2095# include "ev_select.c" 2169# include "ev_select.c"
2096#endif 2170#endif
2097 2171
2098int ecb_cold 2172int ecb_cold
2099ev_version_major (void) 2173ev_version_major (void) EV_THROW
2100{ 2174{
2101 return EV_VERSION_MAJOR; 2175 return EV_VERSION_MAJOR;
2102} 2176}
2103 2177
2104int ecb_cold 2178int ecb_cold
2105ev_version_minor (void) 2179ev_version_minor (void) EV_THROW
2106{ 2180{
2107 return EV_VERSION_MINOR; 2181 return EV_VERSION_MINOR;
2108} 2182}
2109 2183
2110/* return true if we are running with elevated privileges and should ignore env variables */ 2184/* return true if we are running with elevated privileges and should ignore env variables */
… …
2118 || getgid () != getegid (); 2192 || getgid () != getegid ();
2119#endif 2193#endif
2120} 2194}
2121 2195
2122unsigned int ecb_cold 2196unsigned int ecb_cold
2123ev_supported_backends (void) 2197ev_supported_backends (void) EV_THROW
2124{ 2198{
2125 unsigned int flags = 0; 2199 unsigned int flags = 0;
2126 2200
2127 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2201 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2128 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2202 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2132 2206
2133 return flags; 2207 return flags;
2134} 2208}
2135 2209
2136unsigned int ecb_cold 2210unsigned int ecb_cold
2137ev_recommended_backends (void) 2211ev_recommended_backends (void) EV_THROW
2138{ 2212{
2139 unsigned int flags = ev_supported_backends (); 2213 unsigned int flags = ev_supported_backends ();
2140 2214
2141#ifndef __NetBSD__ 2215#ifndef __NetBSD__
2142 /* kqueue is borked on everything but netbsd apparently */ 2216 /* kqueue is borked on everything but netbsd apparently */
… …
2154 2228
2155 return flags; 2229 return flags;
2156} 2230}
2157 2231
2158unsigned int ecb_cold 2232unsigned int ecb_cold
2159ev_embeddable_backends (void) 2233ev_embeddable_backends (void) EV_THROW
2160{ 2234{
2161 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2235 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2162 2236
2163 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2237 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2164 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2238 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2166 2240
2167 return flags; 2241 return flags;
2168} 2242}
2169 2243
2170unsigned int 2244unsigned int
2171ev_backend (EV_P) 2245ev_backend (EV_P) EV_THROW
2172{ 2246{
2173 return backend; 2247 return backend;
2174} 2248}
2175 2249
2176#if EV_FEATURE_API 2250#if EV_FEATURE_API
2177unsigned int 2251unsigned int
2178ev_iteration (EV_P) 2252ev_iteration (EV_P) EV_THROW
2179{ 2253{
2180 return loop_count; 2254 return loop_count;
2181} 2255}
2182 2256
2183unsigned int 2257unsigned int
2184ev_depth (EV_P) 2258ev_depth (EV_P) EV_THROW
2185{ 2259{
2186 return loop_depth; 2260 return loop_depth;
2187} 2261}
2188 2262
2189void 2263void
2190ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2264ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2191{ 2265{
2192 io_blocktime = interval; 2266 io_blocktime = interval;
2193} 2267}
2194 2268
2195void 2269void
2196ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2270ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2197{ 2271{
2198 timeout_blocktime = interval; 2272 timeout_blocktime = interval;
2199} 2273}
2200 2274
2201void 2275void
2202ev_set_userdata (EV_P_ void *data) 2276ev_set_userdata (EV_P_ void *data) EV_THROW
2203{ 2277{
2204 userdata = data; 2278 userdata = data;
2205} 2279}
2206 2280
2207void * 2281void *
2208ev_userdata (EV_P) 2282ev_userdata (EV_P) EV_THROW
2209{ 2283{
2210 return userdata; 2284 return userdata;
2211} 2285}
2212 2286
2213void 2287void
2214ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2288ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2215{ 2289{
2216 invoke_cb = invoke_pending_cb; 2290 invoke_cb = invoke_pending_cb;
2217} 2291}
2218 2292
2219void 2293void
2220ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2294ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2221{ 2295{
2222 release_cb = release; 2296 release_cb = release;
2223 acquire_cb = acquire; 2297 acquire_cb = acquire;
2224} 2298}
2225#endif 2299#endif
2226 2300
2227/* initialise a loop structure, must be zero-initialised */ 2301/* initialise a loop structure, must be zero-initialised */
2228static void noinline ecb_cold 2302static void noinline ecb_cold
2229loop_init (EV_P_ unsigned int flags) 2303loop_init (EV_P_ unsigned int flags) EV_THROW
2230{ 2304{
2231 if (!backend) 2305 if (!backend)
2232 { 2306 {
2233 origflags = flags; 2307 origflags = flags;
2234 2308
… …
2339 EV_INVOKE_PENDING; 2413 EV_INVOKE_PENDING;
2340 } 2414 }
2341#endif 2415#endif
2342 2416
2343#if EV_CHILD_ENABLE 2417#if EV_CHILD_ENABLE
2344 if (ev_is_active (&childev)) 2418 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2345 { 2419 {
2346 ev_ref (EV_A); /* child watcher */ 2420 ev_ref (EV_A); /* child watcher */
2347 ev_signal_stop (EV_A_ &childev); 2421 ev_signal_stop (EV_A_ &childev);
2348 } 2422 }
2349#endif 2423#endif
… …
2476 EV_WIN32_CLOSE_FD (evpipe [1]); 2550 EV_WIN32_CLOSE_FD (evpipe [1]);
2477 } 2551 }
2478 2552
2479#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2553#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2480 evpipe_init (EV_A); 2554 evpipe_init (EV_A);
2481 /* now iterate over everything, in case we missed something */ 2555 /* iterate over everything, in case we missed something before */
2482 pipecb (EV_A_ &pipe_w, EV_READ); 2556 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2483#endif 2557#endif
2484 } 2558 }
2485 2559
2486 postfork = 0; 2560 postfork = 0;
2487} 2561}
2488 2562
2489#if EV_MULTIPLICITY 2563#if EV_MULTIPLICITY
2490 2564
2491struct ev_loop * ecb_cold 2565struct ev_loop * ecb_cold
2492ev_loop_new (unsigned int flags) 2566ev_loop_new (unsigned int flags) EV_THROW
2493{ 2567{
2494 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2568 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2495 2569
2496 memset (EV_A, 0, sizeof (struct ev_loop)); 2570 memset (EV_A, 0, sizeof (struct ev_loop));
2497 loop_init (EV_A_ flags); 2571 loop_init (EV_A_ flags);
… …
2541} 2615}
2542#endif 2616#endif
2543 2617
2544#if EV_FEATURE_API 2618#if EV_FEATURE_API
2545void ecb_cold 2619void ecb_cold
2546ev_verify (EV_P) 2620ev_verify (EV_P) EV_THROW
2547{ 2621{
2548#if EV_VERIFY 2622#if EV_VERIFY
2549 int i; 2623 int i;
2550 WL w; 2624 WL w, w2;
2551 2625
2552 assert (activecnt >= -1); 2626 assert (activecnt >= -1);
2553 2627
2554 assert (fdchangemax >= fdchangecnt); 2628 assert (fdchangemax >= fdchangecnt);
2555 for (i = 0; i < fdchangecnt; ++i) 2629 for (i = 0; i < fdchangecnt; ++i)
2556 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2630 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2557 2631
2558 assert (anfdmax >= 0); 2632 assert (anfdmax >= 0);
2559 for (i = 0; i < anfdmax; ++i) 2633 for (i = 0; i < anfdmax; ++i)
2634 {
2635 int j = 0;
2636
2560 for (w = anfds [i].head; w; w = w->next) 2637 for (w = w2 = anfds [i].head; w; w = w->next)
2561 { 2638 {
2562 verify_watcher (EV_A_ (W)w); 2639 verify_watcher (EV_A_ (W)w);
2640
2641 if (j++ & 1)
2642 {
2643 assert (("libev: io watcher list contains a loop", w != w2));
2644 w2 = w2->next;
2645 }
2646
2563 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2647 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2564 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2648 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2565 } 2649 }
2650 }
2566 2651
2567 assert (timermax >= timercnt); 2652 assert (timermax >= timercnt);
2568 verify_heap (EV_A_ timers, timercnt); 2653 verify_heap (EV_A_ timers, timercnt);
2569 2654
2570#if EV_PERIODIC_ENABLE 2655#if EV_PERIODIC_ENABLE
… …
2620#if EV_MULTIPLICITY 2705#if EV_MULTIPLICITY
2621struct ev_loop * ecb_cold 2706struct ev_loop * ecb_cold
2622#else 2707#else
2623int 2708int
2624#endif 2709#endif
2625ev_default_loop (unsigned int flags) 2710ev_default_loop (unsigned int flags) EV_THROW
2626{ 2711{
2627 if (!ev_default_loop_ptr) 2712 if (!ev_default_loop_ptr)
2628 { 2713 {
2629#if EV_MULTIPLICITY 2714#if EV_MULTIPLICITY
2630 EV_P = ev_default_loop_ptr = &default_loop_struct; 2715 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2649 2734
2650 return ev_default_loop_ptr; 2735 return ev_default_loop_ptr;
2651} 2736}
2652 2737
2653void 2738void
2654ev_loop_fork (EV_P) 2739ev_loop_fork (EV_P) EV_THROW
2655{ 2740{
2656 postfork = 1; /* must be in line with ev_default_fork */ 2741 postfork = 1;
2657} 2742}
2658 2743
2659/*****************************************************************************/ 2744/*****************************************************************************/
2660 2745
2661void 2746void
… …
2663{ 2748{
2664 EV_CB_INVOKE ((W)w, revents); 2749 EV_CB_INVOKE ((W)w, revents);
2665} 2750}
2666 2751
2667unsigned int 2752unsigned int
2668ev_pending_count (EV_P) 2753ev_pending_count (EV_P) EV_THROW
2669{ 2754{
2670 int pri; 2755 int pri;
2671 unsigned int count = 0; 2756 unsigned int count = 0;
2672 2757
2673 for (pri = NUMPRI; pri--; ) 2758 for (pri = NUMPRI; pri--; )
… …
2677} 2762}
2678 2763
2679void noinline 2764void noinline
2680ev_invoke_pending (EV_P) 2765ev_invoke_pending (EV_P)
2681{ 2766{
2682 int pri; 2767 pendingpri = NUMPRI;
2683 2768
2684 for (pri = NUMPRI; pri--; ) 2769 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
2770 {
2771 --pendingpri;
2772
2685 while (pendingcnt [pri]) 2773 while (pendingcnt [pendingpri])
2686 { 2774 {
2687 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2775 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2688 2776
2689 p->w->pending = 0; 2777 p->w->pending = 0;
2690 EV_CB_INVOKE (p->w, p->events); 2778 EV_CB_INVOKE (p->w, p->events);
2691 EV_FREQUENT_CHECK; 2779 EV_FREQUENT_CHECK;
2692 } 2780 }
2781 }
2693} 2782}
2694 2783
2695#if EV_IDLE_ENABLE 2784#if EV_IDLE_ENABLE
2696/* make idle watchers pending. this handles the "call-idle */ 2785/* make idle watchers pending. this handles the "call-idle */
2697/* only when higher priorities are idle" logic */ 2786/* only when higher priorities are idle" logic */
… …
2787{ 2876{
2788 EV_FREQUENT_CHECK; 2877 EV_FREQUENT_CHECK;
2789 2878
2790 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2879 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2791 { 2880 {
2792 int feed_count = 0;
2793
2794 do 2881 do
2795 { 2882 {
2796 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2883 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2797 2884
2798 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 2885 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
… …
3057 backend_poll (EV_A_ waittime); 3144 backend_poll (EV_A_ waittime);
3058 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3145 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3059 3146
3060 pipe_write_wanted = 0; /* just an optimisation, no fence needed */ 3147 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3061 3148
3149 ECB_MEMORY_FENCE_ACQUIRE;
3062 if (pipe_write_skipped) 3150 if (pipe_write_skipped)
3063 { 3151 {
3064 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3152 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3065 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3153 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3066 } 3154 }
… …
3104 3192
3105 return activecnt; 3193 return activecnt;
3106} 3194}
3107 3195
3108void 3196void
3109ev_break (EV_P_ int how) 3197ev_break (EV_P_ int how) EV_THROW
3110{ 3198{
3111 loop_done = how; 3199 loop_done = how;
3112} 3200}
3113 3201
3114void 3202void
3115ev_ref (EV_P) 3203ev_ref (EV_P) EV_THROW
3116{ 3204{
3117 ++activecnt; 3205 ++activecnt;
3118} 3206}
3119 3207
3120void 3208void
3121ev_unref (EV_P) 3209ev_unref (EV_P) EV_THROW
3122{ 3210{
3123 --activecnt; 3211 --activecnt;
3124} 3212}
3125 3213
3126void 3214void
3127ev_now_update (EV_P) 3215ev_now_update (EV_P) EV_THROW
3128{ 3216{
3129 time_update (EV_A_ 1e100); 3217 time_update (EV_A_ 1e100);
3130} 3218}
3131 3219
3132void 3220void
3133ev_suspend (EV_P) 3221ev_suspend (EV_P) EV_THROW
3134{ 3222{
3135 ev_now_update (EV_A); 3223 ev_now_update (EV_A);
3136} 3224}
3137 3225
3138void 3226void
3139ev_resume (EV_P) 3227ev_resume (EV_P) EV_THROW
3140{ 3228{
3141 ev_tstamp mn_prev = mn_now; 3229 ev_tstamp mn_prev = mn_now;
3142 3230
3143 ev_now_update (EV_A); 3231 ev_now_update (EV_A);
3144 timers_reschedule (EV_A_ mn_now - mn_prev); 3232 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3183 w->pending = 0; 3271 w->pending = 0;
3184 } 3272 }
3185} 3273}
3186 3274
3187int 3275int
3188ev_clear_pending (EV_P_ void *w) 3276ev_clear_pending (EV_P_ void *w) EV_THROW
3189{ 3277{
3190 W w_ = (W)w; 3278 W w_ = (W)w;
3191 int pending = w_->pending; 3279 int pending = w_->pending;
3192 3280
3193 if (expect_true (pending)) 3281 if (expect_true (pending))
… …
3226} 3314}
3227 3315
3228/*****************************************************************************/ 3316/*****************************************************************************/
3229 3317
3230void noinline 3318void noinline
3231ev_io_start (EV_P_ ev_io *w) 3319ev_io_start (EV_P_ ev_io *w) EV_THROW
3232{ 3320{
3233 int fd = w->fd; 3321 int fd = w->fd;
3234 3322
3235 if (expect_false (ev_is_active (w))) 3323 if (expect_false (ev_is_active (w)))
3236 return; 3324 return;
… …
3242 3330
3243 ev_start (EV_A_ (W)w, 1); 3331 ev_start (EV_A_ (W)w, 1);
3244 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3332 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3245 wlist_add (&anfds[fd].head, (WL)w); 3333 wlist_add (&anfds[fd].head, (WL)w);
3246 3334
3335 /* common bug, apparently */
3336 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3337
3247 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3338 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3248 w->events &= ~EV__IOFDSET; 3339 w->events &= ~EV__IOFDSET;
3249 3340
3250 EV_FREQUENT_CHECK; 3341 EV_FREQUENT_CHECK;
3251} 3342}
3252 3343
3253void noinline 3344void noinline
3254ev_io_stop (EV_P_ ev_io *w) 3345ev_io_stop (EV_P_ ev_io *w) EV_THROW
3255{ 3346{
3256 clear_pending (EV_A_ (W)w); 3347 clear_pending (EV_A_ (W)w);
3257 if (expect_false (!ev_is_active (w))) 3348 if (expect_false (!ev_is_active (w)))
3258 return; 3349 return;
3259 3350
… …
3268 3359
3269 EV_FREQUENT_CHECK; 3360 EV_FREQUENT_CHECK;
3270} 3361}
3271 3362
3272void noinline 3363void noinline
3273ev_timer_start (EV_P_ ev_timer *w) 3364ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3274{ 3365{
3275 if (expect_false (ev_is_active (w))) 3366 if (expect_false (ev_is_active (w)))
3276 return; 3367 return;
3277 3368
3278 ev_at (w) += mn_now; 3369 ev_at (w) += mn_now;
… …
3292 3383
3293 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3384 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3294} 3385}
3295 3386
3296void noinline 3387void noinline
3297ev_timer_stop (EV_P_ ev_timer *w) 3388ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3298{ 3389{
3299 clear_pending (EV_A_ (W)w); 3390 clear_pending (EV_A_ (W)w);
3300 if (expect_false (!ev_is_active (w))) 3391 if (expect_false (!ev_is_active (w)))
3301 return; 3392 return;
3302 3393
… …
3322 3413
3323 EV_FREQUENT_CHECK; 3414 EV_FREQUENT_CHECK;
3324} 3415}
3325 3416
3326void noinline 3417void noinline
3327ev_timer_again (EV_P_ ev_timer *w) 3418ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3328{ 3419{
3329 EV_FREQUENT_CHECK; 3420 EV_FREQUENT_CHECK;
3330 3421
3331 clear_pending (EV_A_ (W)w); 3422 clear_pending (EV_A_ (W)w);
3332 3423
… …
3349 3440
3350 EV_FREQUENT_CHECK; 3441 EV_FREQUENT_CHECK;
3351} 3442}
3352 3443
3353ev_tstamp 3444ev_tstamp
3354ev_timer_remaining (EV_P_ ev_timer *w) 3445ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3355{ 3446{
3356 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3447 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3357} 3448}
3358 3449
3359#if EV_PERIODIC_ENABLE 3450#if EV_PERIODIC_ENABLE
3360void noinline 3451void noinline
3361ev_periodic_start (EV_P_ ev_periodic *w) 3452ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3362{ 3453{
3363 if (expect_false (ev_is_active (w))) 3454 if (expect_false (ev_is_active (w)))
3364 return; 3455 return;
3365 3456
3366 if (w->reschedule_cb) 3457 if (w->reschedule_cb)
… …
3386 3477
3387 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3478 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3388} 3479}
3389 3480
3390void noinline 3481void noinline
3391ev_periodic_stop (EV_P_ ev_periodic *w) 3482ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3392{ 3483{
3393 clear_pending (EV_A_ (W)w); 3484 clear_pending (EV_A_ (W)w);
3394 if (expect_false (!ev_is_active (w))) 3485 if (expect_false (!ev_is_active (w)))
3395 return; 3486 return;
3396 3487
… …
3414 3505
3415 EV_FREQUENT_CHECK; 3506 EV_FREQUENT_CHECK;
3416} 3507}
3417 3508
3418void noinline 3509void noinline
3419ev_periodic_again (EV_P_ ev_periodic *w) 3510ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3420{ 3511{
3421 /* TODO: use adjustheap and recalculation */ 3512 /* TODO: use adjustheap and recalculation */
3422 ev_periodic_stop (EV_A_ w); 3513 ev_periodic_stop (EV_A_ w);
3423 ev_periodic_start (EV_A_ w); 3514 ev_periodic_start (EV_A_ w);
3424} 3515}
… …
3429#endif 3520#endif
3430 3521
3431#if EV_SIGNAL_ENABLE 3522#if EV_SIGNAL_ENABLE
3432 3523
3433void noinline 3524void noinline
3434ev_signal_start (EV_P_ ev_signal *w) 3525ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3435{ 3526{
3436 if (expect_false (ev_is_active (w))) 3527 if (expect_false (ev_is_active (w)))
3437 return; 3528 return;
3438 3529
3439 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3530 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3510 3601
3511 EV_FREQUENT_CHECK; 3602 EV_FREQUENT_CHECK;
3512} 3603}
3513 3604
3514void noinline 3605void noinline
3515ev_signal_stop (EV_P_ ev_signal *w) 3606ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3516{ 3607{
3517 clear_pending (EV_A_ (W)w); 3608 clear_pending (EV_A_ (W)w);
3518 if (expect_false (!ev_is_active (w))) 3609 if (expect_false (!ev_is_active (w)))
3519 return; 3610 return;
3520 3611
… …
3551#endif 3642#endif
3552 3643
3553#if EV_CHILD_ENABLE 3644#if EV_CHILD_ENABLE
3554 3645
3555void 3646void
3556ev_child_start (EV_P_ ev_child *w) 3647ev_child_start (EV_P_ ev_child *w) EV_THROW
3557{ 3648{
3558#if EV_MULTIPLICITY 3649#if EV_MULTIPLICITY
3559 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3650 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3560#endif 3651#endif
3561 if (expect_false (ev_is_active (w))) 3652 if (expect_false (ev_is_active (w)))
… …
3568 3659
3569 EV_FREQUENT_CHECK; 3660 EV_FREQUENT_CHECK;
3570} 3661}
3571 3662
3572void 3663void
3573ev_child_stop (EV_P_ ev_child *w) 3664ev_child_stop (EV_P_ ev_child *w) EV_THROW
3574{ 3665{
3575 clear_pending (EV_A_ (W)w); 3666 clear_pending (EV_A_ (W)w);
3576 if (expect_false (!ev_is_active (w))) 3667 if (expect_false (!ev_is_active (w)))
3577 return; 3668 return;
3578 3669
… …
3830#else 3921#else
3831# define EV_LSTAT(p,b) lstat (p, b) 3922# define EV_LSTAT(p,b) lstat (p, b)
3832#endif 3923#endif
3833 3924
3834void 3925void
3835ev_stat_stat (EV_P_ ev_stat *w) 3926ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3836{ 3927{
3837 if (lstat (w->path, &w->attr) < 0) 3928 if (lstat (w->path, &w->attr) < 0)
3838 w->attr.st_nlink = 0; 3929 w->attr.st_nlink = 0;
3839 else if (!w->attr.st_nlink) 3930 else if (!w->attr.st_nlink)
3840 w->attr.st_nlink = 1; 3931 w->attr.st_nlink = 1;
… …
3879 ev_feed_event (EV_A_ w, EV_STAT); 3970 ev_feed_event (EV_A_ w, EV_STAT);
3880 } 3971 }
3881} 3972}
3882 3973
3883void 3974void
3884ev_stat_start (EV_P_ ev_stat *w) 3975ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3885{ 3976{
3886 if (expect_false (ev_is_active (w))) 3977 if (expect_false (ev_is_active (w)))
3887 return; 3978 return;
3888 3979
3889 ev_stat_stat (EV_A_ w); 3980 ev_stat_stat (EV_A_ w);
… …
3910 4001
3911 EV_FREQUENT_CHECK; 4002 EV_FREQUENT_CHECK;
3912} 4003}
3913 4004
3914void 4005void
3915ev_stat_stop (EV_P_ ev_stat *w) 4006ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3916{ 4007{
3917 clear_pending (EV_A_ (W)w); 4008 clear_pending (EV_A_ (W)w);
3918 if (expect_false (!ev_is_active (w))) 4009 if (expect_false (!ev_is_active (w)))
3919 return; 4010 return;
3920 4011
… …
3936} 4027}
3937#endif 4028#endif
3938 4029
3939#if EV_IDLE_ENABLE 4030#if EV_IDLE_ENABLE
3940void 4031void
3941ev_idle_start (EV_P_ ev_idle *w) 4032ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3942{ 4033{
3943 if (expect_false (ev_is_active (w))) 4034 if (expect_false (ev_is_active (w)))
3944 return; 4035 return;
3945 4036
3946 pri_adjust (EV_A_ (W)w); 4037 pri_adjust (EV_A_ (W)w);
… …
3959 4050
3960 EV_FREQUENT_CHECK; 4051 EV_FREQUENT_CHECK;
3961} 4052}
3962 4053
3963void 4054void
3964ev_idle_stop (EV_P_ ev_idle *w) 4055ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3965{ 4056{
3966 clear_pending (EV_A_ (W)w); 4057 clear_pending (EV_A_ (W)w);
3967 if (expect_false (!ev_is_active (w))) 4058 if (expect_false (!ev_is_active (w)))
3968 return; 4059 return;
3969 4060
… …
3983} 4074}
3984#endif 4075#endif
3985 4076
3986#if EV_PREPARE_ENABLE 4077#if EV_PREPARE_ENABLE
3987void 4078void
3988ev_prepare_start (EV_P_ ev_prepare *w) 4079ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3989{ 4080{
3990 if (expect_false (ev_is_active (w))) 4081 if (expect_false (ev_is_active (w)))
3991 return; 4082 return;
3992 4083
3993 EV_FREQUENT_CHECK; 4084 EV_FREQUENT_CHECK;
… …
3998 4089
3999 EV_FREQUENT_CHECK; 4090 EV_FREQUENT_CHECK;
4000} 4091}
4001 4092
4002void 4093void
4003ev_prepare_stop (EV_P_ ev_prepare *w) 4094ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
4004{ 4095{
4005 clear_pending (EV_A_ (W)w); 4096 clear_pending (EV_A_ (W)w);
4006 if (expect_false (!ev_is_active (w))) 4097 if (expect_false (!ev_is_active (w)))
4007 return; 4098 return;
4008 4099
… …
4021} 4112}
4022#endif 4113#endif
4023 4114
4024#if EV_CHECK_ENABLE 4115#if EV_CHECK_ENABLE
4025void 4116void
4026ev_check_start (EV_P_ ev_check *w) 4117ev_check_start (EV_P_ ev_check *w) EV_THROW
4027{ 4118{
4028 if (expect_false (ev_is_active (w))) 4119 if (expect_false (ev_is_active (w)))
4029 return; 4120 return;
4030 4121
4031 EV_FREQUENT_CHECK; 4122 EV_FREQUENT_CHECK;
… …
4036 4127
4037 EV_FREQUENT_CHECK; 4128 EV_FREQUENT_CHECK;
4038} 4129}
4039 4130
4040void 4131void
4041ev_check_stop (EV_P_ ev_check *w) 4132ev_check_stop (EV_P_ ev_check *w) EV_THROW
4042{ 4133{
4043 clear_pending (EV_A_ (W)w); 4134 clear_pending (EV_A_ (W)w);
4044 if (expect_false (!ev_is_active (w))) 4135 if (expect_false (!ev_is_active (w)))
4045 return; 4136 return;
4046 4137
… …
4059} 4150}
4060#endif 4151#endif
4061 4152
4062#if EV_EMBED_ENABLE 4153#if EV_EMBED_ENABLE
4063void noinline 4154void noinline
4064ev_embed_sweep (EV_P_ ev_embed *w) 4155ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4065{ 4156{
4066 ev_run (w->other, EVRUN_NOWAIT); 4157 ev_run (w->other, EVRUN_NOWAIT);
4067} 4158}
4068 4159
4069static void 4160static void
… …
4117 ev_idle_stop (EV_A_ idle); 4208 ev_idle_stop (EV_A_ idle);
4118} 4209}
4119#endif 4210#endif
4120 4211
4121void 4212void
4122ev_embed_start (EV_P_ ev_embed *w) 4213ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4123{ 4214{
4124 if (expect_false (ev_is_active (w))) 4215 if (expect_false (ev_is_active (w)))
4125 return; 4216 return;
4126 4217
4127 { 4218 {
… …
4148 4239
4149 EV_FREQUENT_CHECK; 4240 EV_FREQUENT_CHECK;
4150} 4241}
4151 4242
4152void 4243void
4153ev_embed_stop (EV_P_ ev_embed *w) 4244ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4154{ 4245{
4155 clear_pending (EV_A_ (W)w); 4246 clear_pending (EV_A_ (W)w);
4156 if (expect_false (!ev_is_active (w))) 4247 if (expect_false (!ev_is_active (w)))
4157 return; 4248 return;
4158 4249
… …
4168} 4259}
4169#endif 4260#endif
4170 4261
4171#if EV_FORK_ENABLE 4262#if EV_FORK_ENABLE
4172void 4263void
4173ev_fork_start (EV_P_ ev_fork *w) 4264ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4174{ 4265{
4175 if (expect_false (ev_is_active (w))) 4266 if (expect_false (ev_is_active (w)))
4176 return; 4267 return;
4177 4268
4178 EV_FREQUENT_CHECK; 4269 EV_FREQUENT_CHECK;
… …
4183 4274
4184 EV_FREQUENT_CHECK; 4275 EV_FREQUENT_CHECK;
4185} 4276}
4186 4277
4187void 4278void
4188ev_fork_stop (EV_P_ ev_fork *w) 4279ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4189{ 4280{
4190 clear_pending (EV_A_ (W)w); 4281 clear_pending (EV_A_ (W)w);
4191 if (expect_false (!ev_is_active (w))) 4282 if (expect_false (!ev_is_active (w)))
4192 return; 4283 return;
4193 4284
… …
4206} 4297}
4207#endif 4298#endif
4208 4299
4209#if EV_CLEANUP_ENABLE 4300#if EV_CLEANUP_ENABLE
4210void 4301void
4211ev_cleanup_start (EV_P_ ev_cleanup *w) 4302ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4212{ 4303{
4213 if (expect_false (ev_is_active (w))) 4304 if (expect_false (ev_is_active (w)))
4214 return; 4305 return;
4215 4306
4216 EV_FREQUENT_CHECK; 4307 EV_FREQUENT_CHECK;
… …
4223 ev_unref (EV_A); 4314 ev_unref (EV_A);
4224 EV_FREQUENT_CHECK; 4315 EV_FREQUENT_CHECK;
4225} 4316}
4226 4317
4227void 4318void
4228ev_cleanup_stop (EV_P_ ev_cleanup *w) 4319ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4229{ 4320{
4230 clear_pending (EV_A_ (W)w); 4321 clear_pending (EV_A_ (W)w);
4231 if (expect_false (!ev_is_active (w))) 4322 if (expect_false (!ev_is_active (w)))
4232 return; 4323 return;
4233 4324
… …
4247} 4338}
4248#endif 4339#endif
4249 4340
4250#if EV_ASYNC_ENABLE 4341#if EV_ASYNC_ENABLE
4251void 4342void
4252ev_async_start (EV_P_ ev_async *w) 4343ev_async_start (EV_P_ ev_async *w) EV_THROW
4253{ 4344{
4254 if (expect_false (ev_is_active (w))) 4345 if (expect_false (ev_is_active (w)))
4255 return; 4346 return;
4256 4347
4257 w->sent = 0; 4348 w->sent = 0;
… …
4266 4357
4267 EV_FREQUENT_CHECK; 4358 EV_FREQUENT_CHECK;
4268} 4359}
4269 4360
4270void 4361void
4271ev_async_stop (EV_P_ ev_async *w) 4362ev_async_stop (EV_P_ ev_async *w) EV_THROW
4272{ 4363{
4273 clear_pending (EV_A_ (W)w); 4364 clear_pending (EV_A_ (W)w);
4274 if (expect_false (!ev_is_active (w))) 4365 if (expect_false (!ev_is_active (w)))
4275 return; 4366 return;
4276 4367
… …
4287 4378
4288 EV_FREQUENT_CHECK; 4379 EV_FREQUENT_CHECK;
4289} 4380}
4290 4381
4291void 4382void
4292ev_async_send (EV_P_ ev_async *w) 4383ev_async_send (EV_P_ ev_async *w) EV_THROW
4293{ 4384{
4294 w->sent = 1; 4385 w->sent = 1;
4295 evpipe_write (EV_A_ &async_pending); 4386 evpipe_write (EV_A_ &async_pending);
4296} 4387}
4297#endif 4388#endif
… …
4334 4425
4335 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4426 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4336} 4427}
4337 4428
4338void 4429void
4339ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4430ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4340{ 4431{
4341 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4432 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4342 4433
4343 if (expect_false (!once)) 4434 if (expect_false (!once))
4344 { 4435 {
… …
4366 4457
4367/*****************************************************************************/ 4458/*****************************************************************************/
4368 4459
4369#if EV_WALK_ENABLE 4460#if EV_WALK_ENABLE
4370void ecb_cold 4461void ecb_cold
4371ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4462ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4372{ 4463{
4373 int i, j; 4464 int i, j;
4374 ev_watcher_list *wl, *wn; 4465 ev_watcher_list *wl, *wn;
4375 4466
4376 if (types & (EV_IO | EV_EMBED)) 4467 if (types & (EV_IO | EV_EMBED))

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