… | |
… | |
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 |
… | |
… | |
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_CPP98 (__cplusplus >= 199711L) |
|
|
565 | #define ECB_CPP11 (__cplusplus >= 201103L) |
|
|
566 | |
545 | /*****************************************************************************/ |
567 | /*****************************************************************************/ |
546 | |
568 | |
547 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
569 | /* 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 */ |
570 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
549 | |
571 | |
550 | #if ECB_NO_THREADS |
572 | #if ECB_NO_THREADS |
551 | # define ECB_NO_SMP 1 |
573 | # define ECB_NO_SMP 1 |
552 | #endif |
574 | #endif |
553 | |
575 | |
554 | #if ECB_NO_THREADS || ECB_NO_SMP |
576 | #if ECB_NO_SMP |
555 | #define ECB_MEMORY_FENCE do { } while (0) |
577 | #define ECB_MEMORY_FENCE do { } while (0) |
556 | #endif |
578 | #endif |
557 | |
579 | |
558 | #ifndef ECB_MEMORY_FENCE |
580 | #ifndef ECB_MEMORY_FENCE |
559 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
581 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
560 | #if __i386 || __i386__ |
582 | #if __i386 || __i386__ |
561 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
583 | #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 */ |
584 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
563 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
585 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
564 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
586 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
565 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
587 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
566 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") |
588 | #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 */ |
589 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
568 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
590 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
569 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
591 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
570 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
592 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
571 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
593 | || 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") |
594 | #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__ \ |
595 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
574 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
596 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
575 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
597 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
576 | #elif __sparc || __sparc__ |
598 | #elif __sparc || __sparc__ |
577 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") |
599 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
578 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
600 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
579 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
601 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
580 | #elif defined __s390__ || defined __s390x__ |
602 | #elif defined __s390__ || defined __s390x__ |
581 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
603 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
582 | #elif defined __mips__ |
604 | #elif defined __mips__ |
583 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
605 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
584 | #elif defined __alpha__ |
606 | #elif defined __alpha__ |
585 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
607 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
|
|
608 | #elif defined __hppa__ |
|
|
609 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory") |
|
|
610 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
|
|
611 | #elif defined __ia64__ |
|
|
612 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory") |
586 | #endif |
613 | #endif |
587 | #endif |
614 | #endif |
588 | #endif |
615 | #endif |
589 | |
616 | |
590 | #ifndef ECB_MEMORY_FENCE |
617 | #ifndef ECB_MEMORY_FENCE |
|
|
618 | #if ECB_GCC_VERSION(4,7) |
|
|
619 | /* see comment below about the C11 memory model. in short - avoid */ |
|
|
620 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
621 | #elif defined __clang && __has_feature (cxx_atomic) |
|
|
622 | /* see above */ |
|
|
623 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
591 | #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
624 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
592 | #define ECB_MEMORY_FENCE __sync_synchronize () |
625 | #define ECB_MEMORY_FENCE __sync_synchronize () |
593 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
626 | /*#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 ); }) */ |
627 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
595 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
628 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
596 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
629 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
… | |
… | |
609 | #define ECB_MEMORY_FENCE __sync () |
642 | #define ECB_MEMORY_FENCE __sync () |
610 | #endif |
643 | #endif |
611 | #endif |
644 | #endif |
612 | |
645 | |
613 | #ifndef ECB_MEMORY_FENCE |
646 | #ifndef ECB_MEMORY_FENCE |
|
|
647 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
|
|
648 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
|
|
649 | /* not just C11 atomics and atomic accesses */ |
|
|
650 | #include <stdatomic.h> |
|
|
651 | /* unfortunately, the C11 memory model seems to be very limited, and unable to express */ |
|
|
652 | /* simple barrier semantics. That means we need to take out thor's hammer. */ |
|
|
653 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
654 | #endif |
|
|
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 | |
|
|
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 | |
794 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
847 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
795 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
848 | ecb_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; |
… | |
… | |
1108 | #endif |
1161 | #endif |
1109 | |
1162 | |
1110 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1163 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1111 | |
1164 | |
1112 | void ecb_cold |
1165 | void ecb_cold |
1113 | 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 |
1114 | { |
1167 | { |
1115 | syserr_cb = cb; |
1168 | syserr_cb = cb; |
1116 | } |
1169 | } |
1117 | |
1170 | |
1118 | static void noinline ecb_cold |
1171 | static void noinline ecb_cold |
… | |
… | |
1136 | abort (); |
1189 | abort (); |
1137 | } |
1190 | } |
1138 | } |
1191 | } |
1139 | |
1192 | |
1140 | static void * |
1193 | static void * |
1141 | ev_realloc_emul (void *ptr, long size) |
1194 | ev_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 |
… | |
… | |
1157 | } |
1210 | } |
1158 | |
1211 | |
1159 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1212 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1160 | |
1213 | |
1161 | void ecb_cold |
1214 | void ecb_cold |
1162 | ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW |
1215 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1163 | { |
1216 | { |
1164 | alloc = cb; |
1217 | alloc = cb; |
1165 | } |
1218 | } |
1166 | |
1219 | |
1167 | inline_speed void * |
1220 | inline_speed void * |
… | |
… | |
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 | |
1437 | inline_speed void |
1492 | inline_speed void |
1438 | feed_reverse (EV_P_ W w) |
1493 | feed_reverse (EV_P_ W w) |
1439 | { |
1494 | { |
… | |
… | |
1844 | } |
1899 | } |
1845 | |
1900 | |
1846 | inline_speed void |
1901 | inline_speed void |
1847 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
1902 | evpipe_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 | } |
… | |
… | |
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 | 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 | |
… | |
… | |
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 |
… | |
… | |
2545 | void ecb_cold |
2619 | void ecb_cold |
2546 | ev_verify (EV_P) EV_THROW |
2620 | ev_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 |
… | |
… | |
2677 | } |
2762 | } |
2678 | |
2763 | |
2679 | void noinline |
2764 | void noinline |
2680 | ev_invoke_pending (EV_P) |
2765 | ev_invoke_pending (EV_P) |
2681 | { |
2766 | { |
2682 | int pri; |
2767 | for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */ |
2683 | |
|
|
2684 | for (pri = NUMPRI; pri--; ) |
|
|
2685 | while (pendingcnt [pri]) |
2768 | while (pendingcnt [pendingpri]) |
2686 | { |
2769 | { |
2687 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
2770 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
2688 | |
2771 | |
2689 | p->w->pending = 0; |
2772 | p->w->pending = 0; |
2690 | EV_CB_INVOKE (p->w, p->events); |
2773 | EV_CB_INVOKE (p->w, p->events); |
2691 | EV_FREQUENT_CHECK; |
2774 | EV_FREQUENT_CHECK; |
2692 | } |
2775 | } |
… | |
… | |
2787 | { |
2870 | { |
2788 | EV_FREQUENT_CHECK; |
2871 | EV_FREQUENT_CHECK; |
2789 | |
2872 | |
2790 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2873 | while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) |
2791 | { |
2874 | { |
2792 | int feed_count = 0; |
|
|
2793 | |
|
|
2794 | do |
2875 | do |
2795 | { |
2876 | { |
2796 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2877 | ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); |
2797 | |
2878 | |
2798 | /*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)));*/ |
… | |
… | |
3241 | EV_FREQUENT_CHECK; |
3322 | EV_FREQUENT_CHECK; |
3242 | |
3323 | |
3243 | ev_start (EV_A_ (W)w, 1); |
3324 | ev_start (EV_A_ (W)w, 1); |
3244 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3325 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3245 | wlist_add (&anfds[fd].head, (WL)w); |
3326 | wlist_add (&anfds[fd].head, (WL)w); |
|
|
3327 | |
|
|
3328 | /* common bug, apparently */ |
|
|
3329 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3246 | |
3330 | |
3247 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3331 | fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); |
3248 | w->events &= ~EV__IOFDSET; |
3332 | w->events &= ~EV__IOFDSET; |
3249 | |
3333 | |
3250 | EV_FREQUENT_CHECK; |
3334 | EV_FREQUENT_CHECK; |