… | |
… | |
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 | # include <winsock2.h> |
|
|
208 | # ifndef EV_SELECT_IS_WINSOCKET |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
210 | # endif |
211 | # undef EV_AVOID_STDIO |
211 | # undef EV_AVOID_STDIO |
212 | #endif |
212 | #endif |
… | |
… | |
409 | /* 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 */ |
410 | # ifndef IN_DONT_FOLLOW |
410 | # ifndef IN_DONT_FOLLOW |
411 | # undef EV_USE_INOTIFY |
411 | # undef EV_USE_INOTIFY |
412 | # define EV_USE_INOTIFY 0 |
412 | # define EV_USE_INOTIFY 0 |
413 | # endif |
413 | # endif |
414 | #endif |
|
|
415 | |
|
|
416 | #if EV_SELECT_IS_WINSOCKET |
|
|
417 | # include <winsock.h> |
|
|
418 | #endif |
414 | #endif |
419 | |
415 | |
420 | #if EV_USE_EVENTFD |
416 | #if EV_USE_EVENTFD |
421 | /* 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 */ |
422 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
508 | */ |
504 | */ |
509 | |
505 | |
510 | #ifndef ECB_H |
506 | #ifndef ECB_H |
511 | #define ECB_H |
507 | #define ECB_H |
512 | |
508 | |
|
|
509 | /* 16 bits major, 16 bits minor */ |
|
|
510 | #define ECB_VERSION 0x00010001 |
|
|
511 | |
513 | #ifdef _WIN32 |
512 | #ifdef _WIN32 |
514 | typedef signed char int8_t; |
513 | typedef signed char int8_t; |
515 | typedef unsigned char uint8_t; |
514 | typedef unsigned char uint8_t; |
516 | typedef signed short int16_t; |
515 | typedef signed short int16_t; |
517 | typedef unsigned short uint16_t; |
516 | typedef unsigned short uint16_t; |
… | |
… | |
522 | typedef unsigned long long uint64_t; |
521 | typedef unsigned long long uint64_t; |
523 | #else /* _MSC_VER || __BORLANDC__ */ |
522 | #else /* _MSC_VER || __BORLANDC__ */ |
524 | typedef signed __int64 int64_t; |
523 | typedef signed __int64 int64_t; |
525 | typedef unsigned __int64 uint64_t; |
524 | typedef unsigned __int64 uint64_t; |
526 | #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; |
527 | #else |
536 | #else |
528 | #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 |
529 | #endif |
543 | #endif |
530 | |
544 | |
531 | /* many compilers define _GNUC_ to some versions but then only implement |
545 | /* many compilers define _GNUC_ to some versions but then only implement |
532 | * what their idiot authors think are the "more important" extensions, |
546 | * what their idiot authors think are the "more important" extensions, |
533 | * causing enormous grief in return for some better fake benchmark numbers. |
547 | * causing enormous grief in return for some better fake benchmark numbers. |
… | |
… | |
541 | #else |
555 | #else |
542 | #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))) |
543 | #endif |
557 | #endif |
544 | #endif |
558 | #endif |
545 | |
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 | |
546 | /*****************************************************************************/ |
566 | /*****************************************************************************/ |
547 | |
567 | |
548 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
568 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
549 | /* 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 */ |
550 | |
570 | |
551 | #if ECB_NO_THREADS |
571 | #if ECB_NO_THREADS |
552 | # define ECB_NO_SMP 1 |
572 | #define ECB_NO_SMP 1 |
553 | #endif |
573 | #endif |
554 | |
574 | |
555 | #if ECB_NO_THREADS || ECB_NO_SMP |
575 | #if ECB_NO_SMP |
556 | #define ECB_MEMORY_FENCE do { } while (0) |
576 | #define ECB_MEMORY_FENCE do { } while (0) |
557 | #endif |
577 | #endif |
558 | |
578 | |
559 | #ifndef ECB_MEMORY_FENCE |
579 | #ifndef ECB_MEMORY_FENCE |
560 | #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 |
561 | #if __i386 || __i386__ |
581 | #if __i386 || __i386__ |
562 | #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") |
563 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
583 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
564 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
584 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
565 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
585 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
566 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
586 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
567 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
587 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
568 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ |
588 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
569 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
589 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
570 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
590 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
571 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
591 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
572 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
592 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
573 | #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") |
574 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
594 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
575 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
595 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
576 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
596 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
577 | #elif __sparc || __sparc__ |
597 | #elif __sparc || __sparc__ |
578 | #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") |
579 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
599 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
580 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
600 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
581 | #elif defined __s390__ || defined __s390x__ |
601 | #elif defined __s390__ || defined __s390x__ |
582 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
602 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
583 | #elif defined __mips__ |
603 | #elif defined __mips__ |
584 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
604 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
585 | #elif defined __alpha__ |
605 | #elif defined __alpha__ |
586 | #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") |
587 | #endif |
612 | #endif |
588 | #endif |
613 | #endif |
589 | #endif |
614 | #endif |
590 | |
615 | |
591 | #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) |
592 | #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
623 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
593 | #define ECB_MEMORY_FENCE __sync_synchronize () |
624 | #define ECB_MEMORY_FENCE __sync_synchronize () |
594 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
|
|
595 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
|
|
596 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
625 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
597 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
626 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
598 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
627 | #define ECB_MEMORY_FENCE _ReadWriteBarrier () |
599 | #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 */ |
600 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
629 | #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () |
… | |
… | |
610 | #define ECB_MEMORY_FENCE __sync () |
639 | #define ECB_MEMORY_FENCE __sync () |
611 | #endif |
640 | #endif |
612 | #endif |
641 | #endif |
613 | |
642 | |
614 | #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 |
615 | #if !ECB_AVOID_PTHREADS |
659 | #if !ECB_AVOID_PTHREADS |
616 | /* |
660 | /* |
617 | * if you get undefined symbol references to pthread_mutex_lock, |
661 | * if you get undefined symbol references to pthread_mutex_lock, |
618 | * or failure to find pthread.h, then you should implement |
662 | * or failure to find pthread.h, then you should implement |
619 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
663 | * the ECB_MEMORY_FENCE operations for your cpu/compiler |
… | |
… | |
637 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
681 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
638 | #endif |
682 | #endif |
639 | |
683 | |
640 | /*****************************************************************************/ |
684 | /*****************************************************************************/ |
641 | |
685 | |
642 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
|
|
643 | |
|
|
644 | #if __cplusplus |
686 | #if __cplusplus |
645 | #define ecb_inline static inline |
687 | #define ecb_inline static inline |
646 | #elif ECB_GCC_VERSION(2,5) |
688 | #elif ECB_GCC_VERSION(2,5) |
647 | #define ecb_inline static __inline__ |
689 | #define ecb_inline static __inline__ |
648 | #elif ECB_C99 |
690 | #elif ECB_C99 |
… | |
… | |
686 | #elif ECB_GCC_VERSION(3,0) |
728 | #elif ECB_GCC_VERSION(3,0) |
687 | #define ecb_decltype(x) __typeof(x) |
729 | #define ecb_decltype(x) __typeof(x) |
688 | #endif |
730 | #endif |
689 | |
731 | |
690 | #define ecb_noinline ecb_attribute ((__noinline__)) |
732 | #define ecb_noinline ecb_attribute ((__noinline__)) |
691 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
692 | #define ecb_unused ecb_attribute ((__unused__)) |
733 | #define ecb_unused ecb_attribute ((__unused__)) |
693 | #define ecb_const ecb_attribute ((__const__)) |
734 | #define ecb_const ecb_attribute ((__const__)) |
694 | #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 |
695 | |
742 | |
696 | #if ECB_GCC_VERSION(4,3) |
743 | #if ECB_GCC_VERSION(4,3) |
697 | #define ecb_artificial ecb_attribute ((__artificial__)) |
744 | #define ecb_artificial ecb_attribute ((__artificial__)) |
698 | #define ecb_hot ecb_attribute ((__hot__)) |
745 | #define ecb_hot ecb_attribute ((__hot__)) |
699 | #define ecb_cold ecb_attribute ((__cold__)) |
746 | #define ecb_cold ecb_attribute ((__cold__)) |
… | |
… | |
790 | |
837 | |
791 | return r + ecb_ld32 (x); |
838 | return r + ecb_ld32 (x); |
792 | } |
839 | } |
793 | #endif |
840 | #endif |
794 | |
841 | |
|
|
842 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
|
|
843 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
|
|
844 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
|
|
845 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
|
|
846 | |
795 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
847 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
796 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
848 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
797 | { |
849 | { |
798 | return ( (x * 0x0802U & 0x22110U) |
850 | return ( (x * 0x0802U & 0x22110U) |
799 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
851 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
… | |
… | |
1109 | #endif |
1161 | #endif |
1110 | |
1162 | |
1111 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1163 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1112 | |
1164 | |
1113 | void ecb_cold |
1165 | void ecb_cold |
1114 | ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW |
1166 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1115 | { |
1167 | { |
1116 | syserr_cb = cb; |
1168 | syserr_cb = cb; |
1117 | } |
1169 | } |
1118 | |
1170 | |
1119 | static void noinline ecb_cold |
1171 | static void noinline ecb_cold |
… | |
… | |
1137 | abort (); |
1189 | abort (); |
1138 | } |
1190 | } |
1139 | } |
1191 | } |
1140 | |
1192 | |
1141 | static void * |
1193 | static void * |
1142 | ev_realloc_emul (void *ptr, long size) |
1194 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1143 | { |
1195 | { |
1144 | #if __GLIBC__ |
|
|
1145 | return realloc (ptr, size); |
|
|
1146 | #else |
|
|
1147 | /* some systems, notably openbsd and darwin, fail to properly |
1196 | /* some systems, notably openbsd and darwin, fail to properly |
1148 | * 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 |
1149 | * 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. |
1150 | */ |
1201 | */ |
1151 | |
1202 | |
1152 | if (size) |
1203 | if (size) |
1153 | return realloc (ptr, size); |
1204 | return realloc (ptr, size); |
1154 | |
1205 | |
1155 | free (ptr); |
1206 | free (ptr); |
1156 | return 0; |
1207 | return 0; |
1157 | #endif |
|
|
1158 | } |
1208 | } |
1159 | |
1209 | |
1160 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1210 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1161 | |
1211 | |
1162 | void ecb_cold |
1212 | void ecb_cold |
1163 | ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW |
1213 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1164 | { |
1214 | { |
1165 | alloc = cb; |
1215 | alloc = cb; |
1166 | } |
1216 | } |
1167 | |
1217 | |
1168 | inline_speed void * |
1218 | inline_speed void * |
… | |
… | |
1853 | |
1903 | |
1854 | if (expect_true (*flag)) |
1904 | if (expect_true (*flag)) |
1855 | return; |
1905 | return; |
1856 | |
1906 | |
1857 | *flag = 1; |
1907 | *flag = 1; |
1858 | |
|
|
1859 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
1908 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
1860 | |
1909 | |
1861 | pipe_write_skipped = 1; |
1910 | pipe_write_skipped = 1; |
1862 | |
1911 | |
1863 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
1912 | ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ |
1864 | |
1913 | |
1865 | if (pipe_write_wanted) |
1914 | if (pipe_write_wanted) |
1866 | { |
1915 | { |
1867 | int old_errno; |
1916 | int old_errno; |
1868 | |
1917 | |
1869 | pipe_write_skipped = 0; /* just an optimisation, no fence needed */ |
1918 | pipe_write_skipped = 0; |
|
|
1919 | ECB_MEMORY_FENCE_RELEASE; |
1870 | |
1920 | |
1871 | old_errno = errno; /* save errno because write will clobber it */ |
1921 | old_errno = errno; /* save errno because write will clobber it */ |
1872 | |
1922 | |
1873 | #if EV_USE_EVENTFD |
1923 | #if EV_USE_EVENTFD |
1874 | if (evfd >= 0) |
1924 | if (evfd >= 0) |
… | |
… | |
1914 | { |
1964 | { |
1915 | char dummy[4]; |
1965 | char dummy[4]; |
1916 | #ifdef _WIN32 |
1966 | #ifdef _WIN32 |
1917 | WSABUF buf; |
1967 | WSABUF buf; |
1918 | DWORD recvd; |
1968 | DWORD recvd; |
|
|
1969 | DWORD flags = 0; |
1919 | buf.buf = dummy; |
1970 | buf.buf = dummy; |
1920 | buf.len = sizeof (dummy); |
1971 | buf.len = sizeof (dummy); |
1921 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0); |
1972 | WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0); |
1922 | #else |
1973 | #else |
1923 | read (evpipe [0], &dummy, sizeof (dummy)); |
1974 | read (evpipe [0], &dummy, sizeof (dummy)); |
1924 | #endif |
1975 | #endif |
1925 | } |
1976 | } |
1926 | } |
1977 | } |
… | |
… | |
1932 | #if EV_SIGNAL_ENABLE |
1983 | #if EV_SIGNAL_ENABLE |
1933 | if (sig_pending) |
1984 | if (sig_pending) |
1934 | { |
1985 | { |
1935 | sig_pending = 0; |
1986 | sig_pending = 0; |
1936 | |
1987 | |
1937 | ECB_MEMORY_FENCE_RELEASE; |
1988 | ECB_MEMORY_FENCE; |
1938 | |
1989 | |
1939 | for (i = EV_NSIG - 1; i--; ) |
1990 | for (i = EV_NSIG - 1; i--; ) |
1940 | if (expect_false (signals [i].pending)) |
1991 | if (expect_false (signals [i].pending)) |
1941 | ev_feed_signal_event (EV_A_ i + 1); |
1992 | ev_feed_signal_event (EV_A_ i + 1); |
1942 | } |
1993 | } |
… | |
… | |
1945 | #if EV_ASYNC_ENABLE |
1996 | #if EV_ASYNC_ENABLE |
1946 | if (async_pending) |
1997 | if (async_pending) |
1947 | { |
1998 | { |
1948 | async_pending = 0; |
1999 | async_pending = 0; |
1949 | |
2000 | |
1950 | ECB_MEMORY_FENCE_RELEASE; |
2001 | ECB_MEMORY_FENCE; |
1951 | |
2002 | |
1952 | for (i = asynccnt; i--; ) |
2003 | for (i = asynccnt; i--; ) |
1953 | if (asyncs [i]->sent) |
2004 | if (asyncs [i]->sent) |
1954 | { |
2005 | { |
1955 | asyncs [i]->sent = 0; |
2006 | asyncs [i]->sent = 0; |
|
|
2007 | ECB_MEMORY_FENCE_RELEASE; |
1956 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
2008 | ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); |
1957 | } |
2009 | } |
1958 | } |
2010 | } |
1959 | #endif |
2011 | #endif |
1960 | } |
2012 | } |
… | |
… | |
1991 | void noinline |
2043 | void noinline |
1992 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2044 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
1993 | { |
2045 | { |
1994 | WL w; |
2046 | WL w; |
1995 | |
2047 | |
1996 | if (expect_false (signum <= 0 || signum > EV_NSIG)) |
2048 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
1997 | return; |
2049 | return; |
1998 | |
2050 | |
1999 | --signum; |
2051 | --signum; |
2000 | |
2052 | |
2001 | #if EV_MULTIPLICITY |
2053 | #if EV_MULTIPLICITY |
… | |
… | |
2005 | if (expect_false (signals [signum].loop != EV_A)) |
2057 | if (expect_false (signals [signum].loop != EV_A)) |
2006 | return; |
2058 | return; |
2007 | #endif |
2059 | #endif |
2008 | |
2060 | |
2009 | signals [signum].pending = 0; |
2061 | signals [signum].pending = 0; |
|
|
2062 | ECB_MEMORY_FENCE_RELEASE; |
2010 | |
2063 | |
2011 | for (w = signals [signum].head; w; w = w->next) |
2064 | for (w = signals [signum].head; w; w = w->next) |
2012 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2065 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
2013 | } |
2066 | } |
2014 | |
2067 | |
… | |
… | |
2358 | EV_INVOKE_PENDING; |
2411 | EV_INVOKE_PENDING; |
2359 | } |
2412 | } |
2360 | #endif |
2413 | #endif |
2361 | |
2414 | |
2362 | #if EV_CHILD_ENABLE |
2415 | #if EV_CHILD_ENABLE |
2363 | if (ev_is_active (&childev)) |
2416 | if (ev_is_default_loop (EV_A) && ev_is_active (&childev)) |
2364 | { |
2417 | { |
2365 | ev_ref (EV_A); /* child watcher */ |
2418 | ev_ref (EV_A); /* child watcher */ |
2366 | ev_signal_stop (EV_A_ &childev); |
2419 | ev_signal_stop (EV_A_ &childev); |
2367 | } |
2420 | } |
2368 | #endif |
2421 | #endif |
… | |
… | |
2495 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2548 | EV_WIN32_CLOSE_FD (evpipe [1]); |
2496 | } |
2549 | } |
2497 | |
2550 | |
2498 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2551 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2499 | evpipe_init (EV_A); |
2552 | evpipe_init (EV_A); |
2500 | /* now iterate over everything, in case we missed something */ |
2553 | /* iterate over everything, in case we missed something before */ |
2501 | pipecb (EV_A_ &pipe_w, EV_READ); |
2554 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
2502 | #endif |
2555 | #endif |
2503 | } |
2556 | } |
2504 | |
2557 | |
2505 | postfork = 0; |
2558 | postfork = 0; |
2506 | } |
2559 | } |
… | |
… | |
2681 | } |
2734 | } |
2682 | |
2735 | |
2683 | void |
2736 | void |
2684 | ev_loop_fork (EV_P) EV_THROW |
2737 | ev_loop_fork (EV_P) EV_THROW |
2685 | { |
2738 | { |
2686 | postfork = 1; /* must be in line with ev_default_fork */ |
2739 | postfork = 1; |
2687 | } |
2740 | } |
2688 | |
2741 | |
2689 | /*****************************************************************************/ |
2742 | /*****************************************************************************/ |
2690 | |
2743 | |
2691 | void |
2744 | void |
… | |
… | |
2707 | } |
2760 | } |
2708 | |
2761 | |
2709 | void noinline |
2762 | void noinline |
2710 | ev_invoke_pending (EV_P) |
2763 | ev_invoke_pending (EV_P) |
2711 | { |
2764 | { |
2712 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
2765 | pendingpri = NUMPRI; |
|
|
2766 | |
|
|
2767 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
|
|
2768 | { |
|
|
2769 | --pendingpri; |
|
|
2770 | |
2713 | while (pendingcnt [pendingpri]) |
2771 | while (pendingcnt [pendingpri]) |
2714 | { |
2772 | { |
2715 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2773 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2716 | |
2774 | |
2717 | p->w->pending = 0; |
2775 | p->w->pending = 0; |
2718 | EV_CB_INVOKE (p->w, p->events); |
2776 | EV_CB_INVOKE (p->w, p->events); |
2719 | EV_FREQUENT_CHECK; |
2777 | EV_FREQUENT_CHECK; |
2720 | } |
2778 | } |
|
|
2779 | } |
2721 | } |
2780 | } |
2722 | |
2781 | |
2723 | #if EV_IDLE_ENABLE |
2782 | #if EV_IDLE_ENABLE |
2724 | /* make idle watchers pending. this handles the "call-idle */ |
2783 | /* make idle watchers pending. this handles the "call-idle */ |
2725 | /* only when higher priorities are idle" logic */ |
2784 | /* only when higher priorities are idle" logic */ |
… | |
… | |
2815 | { |
2874 | { |
2816 | EV_FREQUENT_CHECK; |
2875 | EV_FREQUENT_CHECK; |
2817 | |
2876 | |
2818 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2877 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2819 | { |
2878 | { |
2820 | int feed_count = 0; |
|
|
2821 | |
|
|
2822 | do |
2879 | do |
2823 | { |
2880 | { |
2824 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2881 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2825 | |
2882 | |
2826 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
2883 | /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ |
… | |
… | |
3085 | backend_poll (EV_A_ waittime); |
3142 | backend_poll (EV_A_ waittime); |
3086 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3143 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
3087 | |
3144 | |
3088 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
3145 | pipe_write_wanted = 0; /* just an optimisation, no fence needed */ |
3089 | |
3146 | |
|
|
3147 | ECB_MEMORY_FENCE_ACQUIRE; |
3090 | if (pipe_write_skipped) |
3148 | if (pipe_write_skipped) |
3091 | { |
3149 | { |
3092 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3150 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3093 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3151 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3094 | } |
3152 | } |