… | |
… | |
115 | # else |
115 | # else |
116 | # undef EV_USE_EPOLL |
116 | # undef EV_USE_EPOLL |
117 | # define EV_USE_EPOLL 0 |
117 | # define EV_USE_EPOLL 0 |
118 | # endif |
118 | # endif |
119 | |
119 | |
|
|
120 | # if HAVE_LINUX_AIO_ABI_H |
|
|
121 | # ifndef EV_USE_LINUXAIO |
|
|
122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
|
|
123 | # endif |
|
|
124 | # else |
|
|
125 | # undef EV_USE_LINUXAIO |
|
|
126 | # define EV_USE_LINUXAIO 0 |
|
|
127 | # endif |
|
|
128 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
129 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
130 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
131 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
123 | # endif |
132 | # endif |
124 | # else |
133 | # else |
… | |
… | |
316 | #ifndef EV_USE_PORT |
325 | #ifndef EV_USE_PORT |
317 | # define EV_USE_PORT 0 |
326 | # define EV_USE_PORT 0 |
318 | #endif |
327 | #endif |
319 | |
328 | |
320 | #ifndef EV_USE_LINUXAIO |
329 | #ifndef EV_USE_LINUXAIO |
|
|
330 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
|
|
331 | # define EV_USE_LINUXAIO 1 |
|
|
332 | # else |
321 | # define EV_USE_LINUXAIO 0 |
333 | # define EV_USE_LINUXAIO 0 |
|
|
334 | # endif |
|
|
335 | #endif |
|
|
336 | |
|
|
337 | #ifndef EV_USE_IOURING |
|
|
338 | # if __linux |
|
|
339 | # define EV_USE_IOURING 0 |
|
|
340 | # else |
|
|
341 | # define EV_USE_IOURING 0 |
|
|
342 | # endif |
322 | #endif |
343 | #endif |
323 | |
344 | |
324 | #ifndef EV_USE_INOTIFY |
345 | #ifndef EV_USE_INOTIFY |
325 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
346 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
326 | # define EV_USE_INOTIFY EV_FEATURE_OS |
347 | # define EV_USE_INOTIFY EV_FEATURE_OS |
… | |
… | |
383 | /* aix's poll.h seems to cause lots of trouble */ |
404 | /* aix's poll.h seems to cause lots of trouble */ |
384 | #ifdef _AIX |
405 | #ifdef _AIX |
385 | /* AIX has a completely broken poll.h header */ |
406 | /* AIX has a completely broken poll.h header */ |
386 | # undef EV_USE_POLL |
407 | # undef EV_USE_POLL |
387 | # define EV_USE_POLL 0 |
408 | # define EV_USE_POLL 0 |
388 | #endif |
|
|
389 | |
|
|
390 | #if EV_USE_LINUXAIO |
|
|
391 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
392 | #endif |
409 | #endif |
393 | |
410 | |
394 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
411 | /* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ |
395 | /* which makes programs even slower. might work on other unices, too. */ |
412 | /* which makes programs even slower. might work on other unices, too. */ |
396 | #if EV_USE_CLOCK_SYSCALL |
413 | #if EV_USE_CLOCK_SYSCALL |
397 | # include <sys/syscall.h> |
414 | # include <sys/syscall.h> |
398 | # ifdef SYS_clock_gettime |
415 | # ifdef SYS_clock_gettime |
399 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
416 | # define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
400 | # undef EV_USE_MONOTONIC |
417 | # undef EV_USE_MONOTONIC |
401 | # define EV_USE_MONOTONIC 1 |
418 | # define EV_USE_MONOTONIC 1 |
|
|
419 | # define EV_NEED_SYSCALL 1 |
402 | # else |
420 | # else |
403 | # undef EV_USE_CLOCK_SYSCALL |
421 | # undef EV_USE_CLOCK_SYSCALL |
404 | # define EV_USE_CLOCK_SYSCALL 0 |
422 | # define EV_USE_CLOCK_SYSCALL 0 |
405 | # endif |
423 | # endif |
406 | #endif |
424 | #endif |
… | |
… | |
424 | |
442 | |
425 | #if !EV_USE_NANOSLEEP |
443 | #if !EV_USE_NANOSLEEP |
426 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
444 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
427 | # if !defined _WIN32 && !defined __hpux |
445 | # if !defined _WIN32 && !defined __hpux |
428 | # include <sys/select.h> |
446 | # include <sys/select.h> |
|
|
447 | # endif |
|
|
448 | #endif |
|
|
449 | |
|
|
450 | #if EV_USE_LINUXAIO |
|
|
451 | # include <sys/syscall.h> |
|
|
452 | # if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */ |
|
|
453 | # define EV_NEED_SYSCALL 1 |
|
|
454 | # else |
|
|
455 | # undef EV_USE_LINUXAIO |
|
|
456 | # define EV_USE_LINUXAIO 0 |
|
|
457 | # endif |
|
|
458 | #endif |
|
|
459 | |
|
|
460 | #if EV_USE_IOURING |
|
|
461 | # include <sys/syscall.h> |
|
|
462 | # if !SYS_io_uring_setup && __linux && !__alpha |
|
|
463 | # define SYS_io_uring_setup 425 |
|
|
464 | # define SYS_io_uring_enter 426 |
|
|
465 | # define SYS_io_uring_wregister 427 |
|
|
466 | # endif |
|
|
467 | # if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */ |
|
|
468 | # define EV_NEED_SYSCALL 1 |
|
|
469 | # else |
|
|
470 | # undef EV_USE_IOURING |
|
|
471 | # define EV_USE_IOURING 0 |
429 | # endif |
472 | # endif |
430 | #endif |
473 | #endif |
431 | |
474 | |
432 | #if EV_USE_INOTIFY |
475 | #if EV_USE_INOTIFY |
433 | # include <sys/statfs.h> |
476 | # include <sys/statfs.h> |
… | |
… | |
475 | uint32_t ssi_signo; |
518 | uint32_t ssi_signo; |
476 | char pad[128 - sizeof (uint32_t)]; |
519 | char pad[128 - sizeof (uint32_t)]; |
477 | }; |
520 | }; |
478 | #endif |
521 | #endif |
479 | |
522 | |
480 | /**/ |
523 | /*****************************************************************************/ |
481 | |
524 | |
482 | #if EV_VERIFY >= 3 |
525 | #if EV_VERIFY >= 3 |
483 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
526 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
484 | #else |
527 | #else |
485 | # define EV_FREQUENT_CHECK do { } while (0) |
528 | # define EV_FREQUENT_CHECK do { } while (0) |
… | |
… | |
490 | * This value is good at least till the year 4000. |
533 | * This value is good at least till the year 4000. |
491 | */ |
534 | */ |
492 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
535 | #define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */ |
493 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
536 | /*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */ |
494 | |
537 | |
495 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
538 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
496 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
539 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
|
540 | |
|
|
541 | /* find a portable timestamp that is "alawys" in the future but fits into time_t. |
|
|
542 | * this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t, |
|
|
543 | * and sizes large than 32 bit, but and maybe the unlikely loating point time_t */ |
|
|
544 | #define EV_TSTAMP_HUGE \ |
|
|
545 | (sizeof (time_t) >= 8 ? 10000000000000. \ |
|
|
546 | : 0 < (time_t)4294967295 ? 4294967295. \ |
|
|
547 | : 2147483647.) \ |
497 | |
548 | |
498 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
549 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
499 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
550 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
500 | |
551 | |
501 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
552 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
… | |
… | |
542 | |
593 | |
543 | #ifndef ECB_H |
594 | #ifndef ECB_H |
544 | #define ECB_H |
595 | #define ECB_H |
545 | |
596 | |
546 | /* 16 bits major, 16 bits minor */ |
597 | /* 16 bits major, 16 bits minor */ |
547 | #define ECB_VERSION 0x00010005 |
598 | #define ECB_VERSION 0x00010006 |
548 | |
599 | |
549 | #ifdef _WIN32 |
600 | #ifdef _WIN32 |
550 | typedef signed char int8_t; |
601 | typedef signed char int8_t; |
551 | typedef unsigned char uint8_t; |
602 | typedef unsigned char uint8_t; |
552 | typedef signed short int16_t; |
603 | typedef signed short int16_t; |
… | |
… | |
666 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
717 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
667 | #endif |
718 | #endif |
668 | |
719 | |
669 | #ifndef ECB_MEMORY_FENCE |
720 | #ifndef ECB_MEMORY_FENCE |
670 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
721 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
722 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
671 | #if __i386 || __i386__ |
723 | #if __i386 || __i386__ |
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
724 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
673 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
725 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
674 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
726 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
675 | #elif ECB_GCC_AMD64 |
727 | #elif ECB_GCC_AMD64 |
… | |
… | |
725 | #if ECB_GCC_VERSION(4,7) |
777 | #if ECB_GCC_VERSION(4,7) |
726 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
778 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
727 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
779 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
728 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
780 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
729 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
781 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
782 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
730 | |
783 | |
731 | #elif ECB_CLANG_EXTENSION(c_atomic) |
784 | #elif ECB_CLANG_EXTENSION(c_atomic) |
732 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
785 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
733 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
786 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
734 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
787 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
735 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
788 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
789 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
736 | |
790 | |
737 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
791 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
738 | #define ECB_MEMORY_FENCE __sync_synchronize () |
792 | #define ECB_MEMORY_FENCE __sync_synchronize () |
739 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
793 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
740 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
794 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
750 | #elif defined _WIN32 |
804 | #elif defined _WIN32 |
751 | #include <WinNT.h> |
805 | #include <WinNT.h> |
752 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
806 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
753 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
807 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
754 | #include <mbarrier.h> |
808 | #include <mbarrier.h> |
755 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
809 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
756 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
810 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
757 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
811 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
812 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
758 | #elif __xlC__ |
813 | #elif __xlC__ |
759 | #define ECB_MEMORY_FENCE __sync () |
814 | #define ECB_MEMORY_FENCE __sync () |
760 | #endif |
815 | #endif |
761 | #endif |
816 | #endif |
762 | |
817 | |
763 | #ifndef ECB_MEMORY_FENCE |
818 | #ifndef ECB_MEMORY_FENCE |
764 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
819 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
765 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
820 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
766 | /* not just C11 atomics and atomic accesses */ |
821 | /* not just C11 atomics and atomic accesses */ |
767 | #include <stdatomic.h> |
822 | #include <stdatomic.h> |
768 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
769 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
770 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
771 | /* for most usages, or gcc and clang have a bug */ |
|
|
772 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
773 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
774 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
775 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
776 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
823 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
824 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
825 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
777 | #endif |
826 | #endif |
778 | #endif |
827 | #endif |
779 | |
828 | |
780 | #ifndef ECB_MEMORY_FENCE |
829 | #ifndef ECB_MEMORY_FENCE |
781 | #if !ECB_AVOID_PTHREADS |
830 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
799 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
848 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
800 | #endif |
849 | #endif |
801 | |
850 | |
802 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
851 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
803 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
852 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
853 | #endif |
|
|
854 | |
|
|
855 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
856 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
804 | #endif |
857 | #endif |
805 | |
858 | |
806 | /*****************************************************************************/ |
859 | /*****************************************************************************/ |
807 | |
860 | |
808 | #if ECB_CPP |
861 | #if ECB_CPP |
… | |
… | |
1517 | /* ECB.H END */ |
1570 | /* ECB.H END */ |
1518 | |
1571 | |
1519 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1572 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1520 | /* if your architecture doesn't need memory fences, e.g. because it is |
1573 | /* if your architecture doesn't need memory fences, e.g. because it is |
1521 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1574 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1522 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1575 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1523 | * libev, in which cases the memory fences become nops. |
1576 | * libev, in which cases the memory fences become nops. |
1524 | * alternatively, you can remove this #error and link against libpthread, |
1577 | * alternatively, you can remove this #error and link against libpthread, |
1525 | * which will then provide the memory fences. |
1578 | * which will then provide the memory fences. |
1526 | */ |
1579 | */ |
1527 | # error "memory fences not defined for your architecture, please report" |
1580 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1531 | # define ECB_MEMORY_FENCE do { } while (0) |
1584 | # define ECB_MEMORY_FENCE do { } while (0) |
1532 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1585 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1533 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1586 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1534 | #endif |
1587 | #endif |
1535 | |
1588 | |
1536 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1537 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1538 | #define noinline ecb_noinline |
|
|
1539 | |
|
|
1540 | #define inline_size ecb_inline |
1589 | #define inline_size ecb_inline |
1541 | |
1590 | |
1542 | #if EV_FEATURE_CODE |
1591 | #if EV_FEATURE_CODE |
1543 | # define inline_speed ecb_inline |
1592 | # define inline_speed ecb_inline |
1544 | #else |
1593 | #else |
1545 | # define inline_speed noinline static |
1594 | # define inline_speed ecb_noinline static |
1546 | #endif |
1595 | #endif |
|
|
1596 | |
|
|
1597 | /*****************************************************************************/ |
|
|
1598 | /* raw syscall wrappers */ |
|
|
1599 | |
|
|
1600 | #if EV_NEED_SYSCALL |
|
|
1601 | |
|
|
1602 | #include <sys/syscall.h> |
|
|
1603 | |
|
|
1604 | /* |
|
|
1605 | * define some syscall wrappers for common architectures |
|
|
1606 | * this is mostly for nice looks during debugging, not performance. |
|
|
1607 | * our syscalls return < 0, not == -1, on error. which is good |
|
|
1608 | * enough for linux aio. |
|
|
1609 | * TODO: arm is also common nowadays, maybe even mips and x86 |
|
|
1610 | * TODO: after implementing this, it suddenly looks like overkill, but its hard to remove... |
|
|
1611 | */ |
|
|
1612 | #if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__ |
|
|
1613 | /* the costly errno access probably kills this for size optimisation */ |
|
|
1614 | |
|
|
1615 | #define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \ |
|
|
1616 | ({ \ |
|
|
1617 | long res; \ |
|
|
1618 | register unsigned long r6 __asm__ ("r9" ); \ |
|
|
1619 | register unsigned long r5 __asm__ ("r8" ); \ |
|
|
1620 | register unsigned long r4 __asm__ ("r10"); \ |
|
|
1621 | register unsigned long r3 __asm__ ("rdx"); \ |
|
|
1622 | register unsigned long r2 __asm__ ("rsi"); \ |
|
|
1623 | register unsigned long r1 __asm__ ("rdi"); \ |
|
|
1624 | if (narg >= 6) r6 = (unsigned long)(arg6); \ |
|
|
1625 | if (narg >= 5) r5 = (unsigned long)(arg5); \ |
|
|
1626 | if (narg >= 4) r4 = (unsigned long)(arg4); \ |
|
|
1627 | if (narg >= 3) r3 = (unsigned long)(arg3); \ |
|
|
1628 | if (narg >= 2) r2 = (unsigned long)(arg2); \ |
|
|
1629 | if (narg >= 1) r1 = (unsigned long)(arg1); \ |
|
|
1630 | __asm__ __volatile__ ( \ |
|
|
1631 | "syscall\n\t" \ |
|
|
1632 | : "=a" (res) \ |
|
|
1633 | : "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \ |
|
|
1634 | : "cc", "r11", "cx", "memory"); \ |
|
|
1635 | errno = -res; \ |
|
|
1636 | res; \ |
|
|
1637 | }) |
|
|
1638 | |
|
|
1639 | #endif |
|
|
1640 | |
|
|
1641 | #ifdef ev_syscall |
|
|
1642 | #define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0) |
|
|
1643 | #define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0) |
|
|
1644 | #define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0) |
|
|
1645 | #define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0) |
|
|
1646 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0) |
|
|
1647 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0) |
|
|
1648 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1649 | #else |
|
|
1650 | #define ev_syscall0(nr) syscall (nr) |
|
|
1651 | #define ev_syscall1(nr,arg1) syscall (nr, arg1) |
|
|
1652 | #define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2) |
|
|
1653 | #define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3) |
|
|
1654 | #define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4) |
|
|
1655 | #define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5) |
|
|
1656 | #define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6) |
|
|
1657 | #endif |
|
|
1658 | |
|
|
1659 | #endif |
|
|
1660 | |
|
|
1661 | /*****************************************************************************/ |
1547 | |
1662 | |
1548 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1663 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1549 | |
1664 | |
1550 | #if EV_MINPRI == EV_MAXPRI |
1665 | #if EV_MINPRI == EV_MAXPRI |
1551 | # define ABSPRI(w) (((W)w), 0) |
1666 | # define ABSPRI(w) (((W)w), 0) |
… | |
… | |
1586 | # include "ev_win32.c" |
1701 | # include "ev_win32.c" |
1587 | #endif |
1702 | #endif |
1588 | |
1703 | |
1589 | /*****************************************************************************/ |
1704 | /*****************************************************************************/ |
1590 | |
1705 | |
|
|
1706 | #if EV_USE_LINUXAIO |
|
|
1707 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1708 | #endif |
|
|
1709 | |
1591 | /* define a suitable floor function (only used by periodics atm) */ |
1710 | /* define a suitable floor function (only used by periodics atm) */ |
1592 | |
1711 | |
1593 | #if EV_USE_FLOOR |
1712 | #if EV_USE_FLOOR |
1594 | # include <math.h> |
1713 | # include <math.h> |
1595 | # define ev_floor(v) floor (v) |
1714 | # define ev_floor(v) floor (v) |
1596 | #else |
1715 | #else |
1597 | |
1716 | |
1598 | #include <float.h> |
1717 | #include <float.h> |
1599 | |
1718 | |
1600 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1719 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1601 | noinline |
1720 | ecb_noinline |
1602 | static ev_tstamp |
1721 | static ev_tstamp |
1603 | ev_floor (ev_tstamp v) |
1722 | ev_floor (ev_tstamp v) |
1604 | { |
1723 | { |
1605 | /* the choice of shift factor is not terribly important */ |
1724 | /* the choice of shift factor is not terribly important */ |
1606 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1725 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1607 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1726 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1608 | #else |
1727 | #else |
1609 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1728 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1610 | #endif |
1729 | #endif |
1611 | |
1730 | |
|
|
1731 | /* special treatment for negative arguments */ |
|
|
1732 | if (ecb_expect_false (v < 0.)) |
|
|
1733 | { |
|
|
1734 | ev_tstamp f = -ev_floor (-v); |
|
|
1735 | |
|
|
1736 | return f - (f == v ? 0 : 1); |
|
|
1737 | } |
|
|
1738 | |
1612 | /* argument too large for an unsigned long? */ |
1739 | /* argument too large for an unsigned long? then reduce it */ |
1613 | if (expect_false (v >= shift)) |
1740 | if (ecb_expect_false (v >= shift)) |
1614 | { |
1741 | { |
1615 | ev_tstamp f; |
1742 | ev_tstamp f; |
1616 | |
1743 | |
1617 | if (v == v - 1.) |
1744 | if (v == v - 1.) |
1618 | return v; /* very large number */ |
1745 | return v; /* very large numbers are assumed to be integer */ |
1619 | |
1746 | |
1620 | f = shift * ev_floor (v * (1. / shift)); |
1747 | f = shift * ev_floor (v * (1. / shift)); |
1621 | return f + ev_floor (v - f); |
1748 | return f + ev_floor (v - f); |
1622 | } |
1749 | } |
1623 | |
1750 | |
1624 | /* special treatment for negative args? */ |
|
|
1625 | if (expect_false (v < 0.)) |
|
|
1626 | { |
|
|
1627 | ev_tstamp f = -ev_floor (-v); |
|
|
1628 | |
|
|
1629 | return f - (f == v ? 0 : 1); |
|
|
1630 | } |
|
|
1631 | |
|
|
1632 | /* fits into an unsigned long */ |
1751 | /* fits into an unsigned long */ |
1633 | return (unsigned long)v; |
1752 | return (unsigned long)v; |
1634 | } |
1753 | } |
1635 | |
1754 | |
1636 | #endif |
1755 | #endif |
… | |
… | |
1639 | |
1758 | |
1640 | #ifdef __linux |
1759 | #ifdef __linux |
1641 | # include <sys/utsname.h> |
1760 | # include <sys/utsname.h> |
1642 | #endif |
1761 | #endif |
1643 | |
1762 | |
1644 | noinline ecb_cold |
1763 | ecb_noinline ecb_cold |
1645 | static unsigned int |
1764 | static unsigned int |
1646 | ev_linux_version (void) |
1765 | ev_linux_version (void) |
1647 | { |
1766 | { |
1648 | #ifdef __linux |
1767 | #ifdef __linux |
1649 | unsigned int v = 0; |
1768 | unsigned int v = 0; |
… | |
… | |
1679 | } |
1798 | } |
1680 | |
1799 | |
1681 | /*****************************************************************************/ |
1800 | /*****************************************************************************/ |
1682 | |
1801 | |
1683 | #if EV_AVOID_STDIO |
1802 | #if EV_AVOID_STDIO |
1684 | noinline ecb_cold |
1803 | ecb_noinline ecb_cold |
1685 | static void |
1804 | static void |
1686 | ev_printerr (const char *msg) |
1805 | ev_printerr (const char *msg) |
1687 | { |
1806 | { |
1688 | write (STDERR_FILENO, msg, strlen (msg)); |
1807 | write (STDERR_FILENO, msg, strlen (msg)); |
1689 | } |
1808 | } |
… | |
… | |
1696 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1815 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1697 | { |
1816 | { |
1698 | syserr_cb = cb; |
1817 | syserr_cb = cb; |
1699 | } |
1818 | } |
1700 | |
1819 | |
1701 | noinline ecb_cold |
1820 | ecb_noinline ecb_cold |
1702 | static void |
1821 | static void |
1703 | ev_syserr (const char *msg) |
1822 | ev_syserr (const char *msg) |
1704 | { |
1823 | { |
1705 | if (!msg) |
1824 | if (!msg) |
1706 | msg = "(libev) system error"; |
1825 | msg = "(libev) system error"; |
… | |
… | |
1778 | { |
1897 | { |
1779 | WL head; |
1898 | WL head; |
1780 | unsigned char events; /* the events watched for */ |
1899 | unsigned char events; /* the events watched for */ |
1781 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1900 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1782 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1901 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1783 | unsigned char unused; |
1902 | unsigned char eflags; /* flags field for use by backends */ |
1784 | #if EV_USE_EPOLL |
1903 | #if EV_USE_EPOLL |
1785 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1904 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1786 | #endif |
1905 | #endif |
1787 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1906 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1788 | SOCKET handle; |
1907 | SOCKET handle; |
… | |
… | |
1852 | static int ev_default_loop_ptr; |
1971 | static int ev_default_loop_ptr; |
1853 | |
1972 | |
1854 | #endif |
1973 | #endif |
1855 | |
1974 | |
1856 | #if EV_FEATURE_API |
1975 | #if EV_FEATURE_API |
1857 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
1976 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1858 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
1977 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1859 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1978 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1860 | #else |
1979 | #else |
1861 | # define EV_RELEASE_CB (void)0 |
1980 | # define EV_RELEASE_CB (void)0 |
1862 | # define EV_ACQUIRE_CB (void)0 |
1981 | # define EV_ACQUIRE_CB (void)0 |
1863 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1982 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1870 | #ifndef EV_HAVE_EV_TIME |
1989 | #ifndef EV_HAVE_EV_TIME |
1871 | ev_tstamp |
1990 | ev_tstamp |
1872 | ev_time (void) EV_NOEXCEPT |
1991 | ev_time (void) EV_NOEXCEPT |
1873 | { |
1992 | { |
1874 | #if EV_USE_REALTIME |
1993 | #if EV_USE_REALTIME |
1875 | if (expect_true (have_realtime)) |
1994 | if (ecb_expect_true (have_realtime)) |
1876 | { |
1995 | { |
1877 | struct timespec ts; |
1996 | struct timespec ts; |
1878 | clock_gettime (CLOCK_REALTIME, &ts); |
1997 | clock_gettime (CLOCK_REALTIME, &ts); |
1879 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1998 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1880 | } |
1999 | } |
… | |
… | |
1888 | |
2007 | |
1889 | inline_size ev_tstamp |
2008 | inline_size ev_tstamp |
1890 | get_clock (void) |
2009 | get_clock (void) |
1891 | { |
2010 | { |
1892 | #if EV_USE_MONOTONIC |
2011 | #if EV_USE_MONOTONIC |
1893 | if (expect_true (have_monotonic)) |
2012 | if (ecb_expect_true (have_monotonic)) |
1894 | { |
2013 | { |
1895 | struct timespec ts; |
2014 | struct timespec ts; |
1896 | clock_gettime (CLOCK_MONOTONIC, &ts); |
2015 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1897 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
2016 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1898 | } |
2017 | } |
… | |
… | |
1960 | } |
2079 | } |
1961 | |
2080 | |
1962 | return ncur; |
2081 | return ncur; |
1963 | } |
2082 | } |
1964 | |
2083 | |
1965 | noinline ecb_cold |
2084 | ecb_noinline ecb_cold |
1966 | static void * |
2085 | static void * |
1967 | array_realloc (int elem, void *base, int *cur, int cnt) |
2086 | array_realloc (int elem, void *base, int *cur, int cnt) |
1968 | { |
2087 | { |
1969 | *cur = array_nextsize (elem, *cur, cnt); |
2088 | *cur = array_nextsize (elem, *cur, cnt); |
1970 | return ev_realloc (base, elem * *cur); |
2089 | return ev_realloc (base, elem * *cur); |
1971 | } |
2090 | } |
1972 | |
2091 | |
1973 | #define array_needsize_noinit(base,count) |
2092 | #define array_needsize_noinit(base,offset,count) |
1974 | |
2093 | |
1975 | #define array_needsize_zerofill(base,count) \ |
2094 | #define array_needsize_zerofill(base,offset,count) \ |
1976 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
2095 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1977 | |
2096 | |
1978 | #define array_needsize(type,base,cur,cnt,init) \ |
2097 | #define array_needsize(type,base,cur,cnt,init) \ |
1979 | if (expect_false ((cnt) > (cur))) \ |
2098 | if (ecb_expect_false ((cnt) > (cur))) \ |
1980 | { \ |
2099 | { \ |
1981 | ecb_unused int ocur_ = (cur); \ |
2100 | ecb_unused int ocur_ = (cur); \ |
1982 | (base) = (type *)array_realloc \ |
2101 | (base) = (type *)array_realloc \ |
1983 | (sizeof (type), (base), &(cur), (cnt)); \ |
2102 | (sizeof (type), (base), &(cur), (cnt)); \ |
1984 | init ((base) + (ocur_), (cur) - ocur_); \ |
2103 | init ((base), ocur_, ((cur) - ocur_)); \ |
1985 | } |
2104 | } |
1986 | |
2105 | |
1987 | #if 0 |
2106 | #if 0 |
1988 | #define array_slim(type,stem) \ |
2107 | #define array_slim(type,stem) \ |
1989 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2108 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1998 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2117 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1999 | |
2118 | |
2000 | /*****************************************************************************/ |
2119 | /*****************************************************************************/ |
2001 | |
2120 | |
2002 | /* dummy callback for pending events */ |
2121 | /* dummy callback for pending events */ |
2003 | noinline |
2122 | ecb_noinline |
2004 | static void |
2123 | static void |
2005 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2124 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2006 | { |
2125 | { |
2007 | } |
2126 | } |
2008 | |
2127 | |
2009 | noinline |
2128 | ecb_noinline |
2010 | void |
2129 | void |
2011 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2130 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2012 | { |
2131 | { |
2013 | W w_ = (W)w; |
2132 | W w_ = (W)w; |
2014 | int pri = ABSPRI (w_); |
2133 | int pri = ABSPRI (w_); |
2015 | |
2134 | |
2016 | if (expect_false (w_->pending)) |
2135 | if (ecb_expect_false (w_->pending)) |
2017 | pendings [pri][w_->pending - 1].events |= revents; |
2136 | pendings [pri][w_->pending - 1].events |= revents; |
2018 | else |
2137 | else |
2019 | { |
2138 | { |
2020 | w_->pending = ++pendingcnt [pri]; |
2139 | w_->pending = ++pendingcnt [pri]; |
2021 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2140 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
… | |
… | |
2072 | inline_speed void |
2191 | inline_speed void |
2073 | fd_event (EV_P_ int fd, int revents) |
2192 | fd_event (EV_P_ int fd, int revents) |
2074 | { |
2193 | { |
2075 | ANFD *anfd = anfds + fd; |
2194 | ANFD *anfd = anfds + fd; |
2076 | |
2195 | |
2077 | if (expect_true (!anfd->reify)) |
2196 | if (ecb_expect_true (!anfd->reify)) |
2078 | fd_event_nocheck (EV_A_ fd, revents); |
2197 | fd_event_nocheck (EV_A_ fd, revents); |
2079 | } |
2198 | } |
2080 | |
2199 | |
2081 | void |
2200 | void |
2082 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2201 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
… | |
… | |
2124 | ev_io *w; |
2243 | ev_io *w; |
2125 | |
2244 | |
2126 | unsigned char o_events = anfd->events; |
2245 | unsigned char o_events = anfd->events; |
2127 | unsigned char o_reify = anfd->reify; |
2246 | unsigned char o_reify = anfd->reify; |
2128 | |
2247 | |
2129 | anfd->reify = 0; |
2248 | anfd->reify = 0; |
2130 | |
2249 | |
2131 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2250 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2132 | { |
2251 | { |
2133 | anfd->events = 0; |
2252 | anfd->events = 0; |
2134 | |
2253 | |
2135 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2254 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2136 | anfd->events |= (unsigned char)w->events; |
2255 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2152 | fd_change (EV_P_ int fd, int flags) |
2271 | fd_change (EV_P_ int fd, int flags) |
2153 | { |
2272 | { |
2154 | unsigned char reify = anfds [fd].reify; |
2273 | unsigned char reify = anfds [fd].reify; |
2155 | anfds [fd].reify |= flags; |
2274 | anfds [fd].reify |= flags; |
2156 | |
2275 | |
2157 | if (expect_true (!reify)) |
2276 | if (ecb_expect_true (!reify)) |
2158 | { |
2277 | { |
2159 | ++fdchangecnt; |
2278 | ++fdchangecnt; |
2160 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2279 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2161 | fdchanges [fdchangecnt - 1] = fd; |
2280 | fdchanges [fdchangecnt - 1] = fd; |
2162 | } |
2281 | } |
… | |
… | |
2185 | return fcntl (fd, F_GETFD) != -1; |
2304 | return fcntl (fd, F_GETFD) != -1; |
2186 | #endif |
2305 | #endif |
2187 | } |
2306 | } |
2188 | |
2307 | |
2189 | /* called on EBADF to verify fds */ |
2308 | /* called on EBADF to verify fds */ |
2190 | noinline ecb_cold |
2309 | ecb_noinline ecb_cold |
2191 | static void |
2310 | static void |
2192 | fd_ebadf (EV_P) |
2311 | fd_ebadf (EV_P) |
2193 | { |
2312 | { |
2194 | int fd; |
2313 | int fd; |
2195 | |
2314 | |
… | |
… | |
2198 | if (!fd_valid (fd) && errno == EBADF) |
2317 | if (!fd_valid (fd) && errno == EBADF) |
2199 | fd_kill (EV_A_ fd); |
2318 | fd_kill (EV_A_ fd); |
2200 | } |
2319 | } |
2201 | |
2320 | |
2202 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2321 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2203 | noinline ecb_cold |
2322 | ecb_noinline ecb_cold |
2204 | static void |
2323 | static void |
2205 | fd_enomem (EV_P) |
2324 | fd_enomem (EV_P) |
2206 | { |
2325 | { |
2207 | int fd; |
2326 | int fd; |
2208 | |
2327 | |
… | |
… | |
2213 | break; |
2332 | break; |
2214 | } |
2333 | } |
2215 | } |
2334 | } |
2216 | |
2335 | |
2217 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2336 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2218 | noinline |
2337 | ecb_noinline |
2219 | static void |
2338 | static void |
2220 | fd_rearm_all (EV_P) |
2339 | fd_rearm_all (EV_P) |
2221 | { |
2340 | { |
2222 | int fd; |
2341 | int fd; |
2223 | |
2342 | |
… | |
… | |
2277 | ev_tstamp minat; |
2396 | ev_tstamp minat; |
2278 | ANHE *minpos; |
2397 | ANHE *minpos; |
2279 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2398 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2280 | |
2399 | |
2281 | /* find minimum child */ |
2400 | /* find minimum child */ |
2282 | if (expect_true (pos + DHEAP - 1 < E)) |
2401 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2283 | { |
2402 | { |
2284 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2403 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2285 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2404 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2286 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2405 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2287 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2406 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
… | |
… | |
2405 | |
2524 | |
2406 | /*****************************************************************************/ |
2525 | /*****************************************************************************/ |
2407 | |
2526 | |
2408 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2527 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2409 | |
2528 | |
2410 | noinline ecb_cold |
2529 | ecb_noinline ecb_cold |
2411 | static void |
2530 | static void |
2412 | evpipe_init (EV_P) |
2531 | evpipe_init (EV_P) |
2413 | { |
2532 | { |
2414 | if (!ev_is_active (&pipe_w)) |
2533 | if (!ev_is_active (&pipe_w)) |
2415 | { |
2534 | { |
… | |
… | |
2456 | inline_speed void |
2575 | inline_speed void |
2457 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2576 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2458 | { |
2577 | { |
2459 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2578 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2460 | |
2579 | |
2461 | if (expect_true (*flag)) |
2580 | if (ecb_expect_true (*flag)) |
2462 | return; |
2581 | return; |
2463 | |
2582 | |
2464 | *flag = 1; |
2583 | *flag = 1; |
2465 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2584 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2466 | |
2585 | |
… | |
… | |
2543 | sig_pending = 0; |
2662 | sig_pending = 0; |
2544 | |
2663 | |
2545 | ECB_MEMORY_FENCE; |
2664 | ECB_MEMORY_FENCE; |
2546 | |
2665 | |
2547 | for (i = EV_NSIG - 1; i--; ) |
2666 | for (i = EV_NSIG - 1; i--; ) |
2548 | if (expect_false (signals [i].pending)) |
2667 | if (ecb_expect_false (signals [i].pending)) |
2549 | ev_feed_signal_event (EV_A_ i + 1); |
2668 | ev_feed_signal_event (EV_A_ i + 1); |
2550 | } |
2669 | } |
2551 | #endif |
2670 | #endif |
2552 | |
2671 | |
2553 | #if EV_ASYNC_ENABLE |
2672 | #if EV_ASYNC_ENABLE |
… | |
… | |
2594 | #endif |
2713 | #endif |
2595 | |
2714 | |
2596 | ev_feed_signal (signum); |
2715 | ev_feed_signal (signum); |
2597 | } |
2716 | } |
2598 | |
2717 | |
2599 | noinline |
2718 | ecb_noinline |
2600 | void |
2719 | void |
2601 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2720 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2602 | { |
2721 | { |
2603 | WL w; |
2722 | WL w; |
2604 | |
2723 | |
2605 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2724 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2606 | return; |
2725 | return; |
2607 | |
2726 | |
2608 | --signum; |
2727 | --signum; |
2609 | |
2728 | |
2610 | #if EV_MULTIPLICITY |
2729 | #if EV_MULTIPLICITY |
2611 | /* it is permissible to try to feed a signal to the wrong loop */ |
2730 | /* it is permissible to try to feed a signal to the wrong loop */ |
2612 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2731 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2613 | |
2732 | |
2614 | if (expect_false (signals [signum].loop != EV_A)) |
2733 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2615 | return; |
2734 | return; |
2616 | #endif |
2735 | #endif |
2617 | |
2736 | |
2618 | signals [signum].pending = 0; |
2737 | signals [signum].pending = 0; |
2619 | ECB_MEMORY_FENCE_RELEASE; |
2738 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2712 | # include "ev_port.c" |
2831 | # include "ev_port.c" |
2713 | #endif |
2832 | #endif |
2714 | #if EV_USE_KQUEUE |
2833 | #if EV_USE_KQUEUE |
2715 | # include "ev_kqueue.c" |
2834 | # include "ev_kqueue.c" |
2716 | #endif |
2835 | #endif |
|
|
2836 | #if EV_USE_EPOLL |
|
|
2837 | # include "ev_epoll.c" |
|
|
2838 | #endif |
2717 | #if EV_USE_LINUXAIO |
2839 | #if EV_USE_LINUXAIO |
2718 | # include "ev_linuxaio.c" |
2840 | # include "ev_linuxaio.c" |
2719 | #endif |
2841 | #endif |
2720 | #if EV_USE_EPOLL |
2842 | #if EV_USE_IOURING |
2721 | # include "ev_epoll.c" |
2843 | # include "ev_iouring.c" |
2722 | #endif |
2844 | #endif |
2723 | #if EV_USE_POLL |
2845 | #if EV_USE_POLL |
2724 | # include "ev_poll.c" |
2846 | # include "ev_poll.c" |
2725 | #endif |
2847 | #endif |
2726 | #if EV_USE_SELECT |
2848 | #if EV_USE_SELECT |
… | |
… | |
2759 | |
2881 | |
2760 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2882 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2761 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2883 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2762 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2884 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2763 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2885 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
|
|
2886 | if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING; |
2764 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2887 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2765 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2888 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2766 | |
2889 | |
2767 | return flags; |
2890 | return flags; |
2768 | } |
2891 | } |
… | |
… | |
2785 | #endif |
2908 | #endif |
2786 | #ifdef __FreeBSD__ |
2909 | #ifdef __FreeBSD__ |
2787 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2910 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2788 | #endif |
2911 | #endif |
2789 | |
2912 | |
|
|
2913 | /* TODO: linuxaio is very experimental */ |
|
|
2914 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2915 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2916 | #endif |
|
|
2917 | /* TODO: linuxaio is super experimental */ |
|
|
2918 | #if !EV_RECOMMEND_IOURING |
|
|
2919 | flags &= ~EVBACKEND_IOURING; |
|
|
2920 | #endif |
|
|
2921 | |
2790 | return flags; |
2922 | return flags; |
2791 | } |
2923 | } |
2792 | |
2924 | |
2793 | ecb_cold |
2925 | ecb_cold |
2794 | unsigned int |
2926 | unsigned int |
… | |
… | |
2798 | |
2930 | |
2799 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2931 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2800 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2932 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2801 | flags &= ~EVBACKEND_EPOLL; |
2933 | flags &= ~EVBACKEND_EPOLL; |
2802 | |
2934 | |
|
|
2935 | /* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */ |
|
|
2936 | |
|
|
2937 | /* EVBACKEND_IOURING is practically embeddable, but the current implementation is not |
|
|
2938 | * because our backend_fd is the epoll fd we need as fallback. |
|
|
2939 | * if the kernel ever is fixed, this might change... |
|
|
2940 | */ |
|
|
2941 | |
2803 | return flags; |
2942 | return flags; |
2804 | } |
2943 | } |
2805 | |
2944 | |
2806 | unsigned int |
2945 | unsigned int |
2807 | ev_backend (EV_P) EV_NOEXCEPT |
2946 | ev_backend (EV_P) EV_NOEXCEPT |
… | |
… | |
2859 | acquire_cb = acquire; |
2998 | acquire_cb = acquire; |
2860 | } |
2999 | } |
2861 | #endif |
3000 | #endif |
2862 | |
3001 | |
2863 | /* initialise a loop structure, must be zero-initialised */ |
3002 | /* initialise a loop structure, must be zero-initialised */ |
2864 | noinline ecb_cold |
3003 | ecb_noinline ecb_cold |
2865 | static void |
3004 | static void |
2866 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
3005 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2867 | { |
3006 | { |
2868 | if (!backend) |
3007 | if (!backend) |
2869 | { |
3008 | { |
… | |
… | |
2937 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
3076 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2938 | #endif |
3077 | #endif |
2939 | #if EV_USE_KQUEUE |
3078 | #if EV_USE_KQUEUE |
2940 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
3079 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
2941 | #endif |
3080 | #endif |
|
|
3081 | #if EV_USE_IOURING |
|
|
3082 | if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags); |
|
|
3083 | #endif |
2942 | #if EV_USE_LINUXAIO |
3084 | #if EV_USE_LINUXAIO |
2943 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
3085 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2944 | #endif |
3086 | #endif |
2945 | #if EV_USE_EPOLL |
3087 | #if EV_USE_EPOLL |
2946 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
3088 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
… | |
… | |
2974 | return; |
3116 | return; |
2975 | #endif |
3117 | #endif |
2976 | |
3118 | |
2977 | #if EV_CLEANUP_ENABLE |
3119 | #if EV_CLEANUP_ENABLE |
2978 | /* queue cleanup watchers (and execute them) */ |
3120 | /* queue cleanup watchers (and execute them) */ |
2979 | if (expect_false (cleanupcnt)) |
3121 | if (ecb_expect_false (cleanupcnt)) |
2980 | { |
3122 | { |
2981 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3123 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2982 | EV_INVOKE_PENDING; |
3124 | EV_INVOKE_PENDING; |
2983 | } |
3125 | } |
2984 | #endif |
3126 | #endif |
… | |
… | |
3019 | #if EV_USE_PORT |
3161 | #if EV_USE_PORT |
3020 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3162 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3021 | #endif |
3163 | #endif |
3022 | #if EV_USE_KQUEUE |
3164 | #if EV_USE_KQUEUE |
3023 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
3165 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3166 | #endif |
|
|
3167 | #if EV_USE_IOURING |
|
|
3168 | if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A); |
3024 | #endif |
3169 | #endif |
3025 | #if EV_USE_LINUXAIO |
3170 | #if EV_USE_LINUXAIO |
3026 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3171 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3027 | #endif |
3172 | #endif |
3028 | #if EV_USE_EPOLL |
3173 | #if EV_USE_EPOLL |
… | |
… | |
3087 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3232 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3088 | #endif |
3233 | #endif |
3089 | #if EV_USE_KQUEUE |
3234 | #if EV_USE_KQUEUE |
3090 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3235 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
3091 | #endif |
3236 | #endif |
|
|
3237 | #if EV_USE_IOURING |
|
|
3238 | if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A); |
|
|
3239 | #endif |
3092 | #if EV_USE_LINUXAIO |
3240 | #if EV_USE_LINUXAIO |
3093 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3241 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3094 | #endif |
3242 | #endif |
3095 | #if EV_USE_EPOLL |
3243 | #if EV_USE_EPOLL |
3096 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3244 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
… | |
… | |
3138 | } |
3286 | } |
3139 | |
3287 | |
3140 | #endif /* multiplicity */ |
3288 | #endif /* multiplicity */ |
3141 | |
3289 | |
3142 | #if EV_VERIFY |
3290 | #if EV_VERIFY |
3143 | noinline ecb_cold |
3291 | ecb_noinline ecb_cold |
3144 | static void |
3292 | static void |
3145 | verify_watcher (EV_P_ W w) |
3293 | verify_watcher (EV_P_ W w) |
3146 | { |
3294 | { |
3147 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3295 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3148 | |
3296 | |
3149 | if (w->pending) |
3297 | if (w->pending) |
3150 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3298 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3151 | } |
3299 | } |
3152 | |
3300 | |
3153 | noinline ecb_cold |
3301 | ecb_noinline ecb_cold |
3154 | static void |
3302 | static void |
3155 | verify_heap (EV_P_ ANHE *heap, int N) |
3303 | verify_heap (EV_P_ ANHE *heap, int N) |
3156 | { |
3304 | { |
3157 | int i; |
3305 | int i; |
3158 | |
3306 | |
… | |
… | |
3164 | |
3312 | |
3165 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3313 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3166 | } |
3314 | } |
3167 | } |
3315 | } |
3168 | |
3316 | |
3169 | noinline ecb_cold |
3317 | ecb_noinline ecb_cold |
3170 | static void |
3318 | static void |
3171 | array_verify (EV_P_ W *ws, int cnt) |
3319 | array_verify (EV_P_ W *ws, int cnt) |
3172 | { |
3320 | { |
3173 | while (cnt--) |
3321 | while (cnt--) |
3174 | { |
3322 | { |
… | |
… | |
3323 | count += pendingcnt [pri]; |
3471 | count += pendingcnt [pri]; |
3324 | |
3472 | |
3325 | return count; |
3473 | return count; |
3326 | } |
3474 | } |
3327 | |
3475 | |
3328 | noinline |
3476 | ecb_noinline |
3329 | void |
3477 | void |
3330 | ev_invoke_pending (EV_P) |
3478 | ev_invoke_pending (EV_P) |
3331 | { |
3479 | { |
3332 | pendingpri = NUMPRI; |
3480 | pendingpri = NUMPRI; |
3333 | |
3481 | |
… | |
… | |
3352 | /* make idle watchers pending. this handles the "call-idle */ |
3500 | /* make idle watchers pending. this handles the "call-idle */ |
3353 | /* only when higher priorities are idle" logic */ |
3501 | /* only when higher priorities are idle" logic */ |
3354 | inline_size void |
3502 | inline_size void |
3355 | idle_reify (EV_P) |
3503 | idle_reify (EV_P) |
3356 | { |
3504 | { |
3357 | if (expect_false (idleall)) |
3505 | if (ecb_expect_false (idleall)) |
3358 | { |
3506 | { |
3359 | int pri; |
3507 | int pri; |
3360 | |
3508 | |
3361 | for (pri = NUMPRI; pri--; ) |
3509 | for (pri = NUMPRI; pri--; ) |
3362 | { |
3510 | { |
… | |
… | |
3411 | } |
3559 | } |
3412 | } |
3560 | } |
3413 | |
3561 | |
3414 | #if EV_PERIODIC_ENABLE |
3562 | #if EV_PERIODIC_ENABLE |
3415 | |
3563 | |
3416 | noinline |
3564 | ecb_noinline |
3417 | static void |
3565 | static void |
3418 | periodic_recalc (EV_P_ ev_periodic *w) |
3566 | periodic_recalc (EV_P_ ev_periodic *w) |
3419 | { |
3567 | { |
3420 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3568 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3421 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3569 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3424 | while (at <= ev_rt_now) |
3572 | while (at <= ev_rt_now) |
3425 | { |
3573 | { |
3426 | ev_tstamp nat = at + w->interval; |
3574 | ev_tstamp nat = at + w->interval; |
3427 | |
3575 | |
3428 | /* when resolution fails us, we use ev_rt_now */ |
3576 | /* when resolution fails us, we use ev_rt_now */ |
3429 | if (expect_false (nat == at)) |
3577 | if (ecb_expect_false (nat == at)) |
3430 | { |
3578 | { |
3431 | at = ev_rt_now; |
3579 | at = ev_rt_now; |
3432 | break; |
3580 | break; |
3433 | } |
3581 | } |
3434 | |
3582 | |
… | |
… | |
3480 | } |
3628 | } |
3481 | } |
3629 | } |
3482 | |
3630 | |
3483 | /* simply recalculate all periodics */ |
3631 | /* simply recalculate all periodics */ |
3484 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3632 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3485 | noinline ecb_cold |
3633 | ecb_noinline ecb_cold |
3486 | static void |
3634 | static void |
3487 | periodics_reschedule (EV_P) |
3635 | periodics_reschedule (EV_P) |
3488 | { |
3636 | { |
3489 | int i; |
3637 | int i; |
3490 | |
3638 | |
… | |
… | |
3504 | reheap (periodics, periodiccnt); |
3652 | reheap (periodics, periodiccnt); |
3505 | } |
3653 | } |
3506 | #endif |
3654 | #endif |
3507 | |
3655 | |
3508 | /* adjust all timers by a given offset */ |
3656 | /* adjust all timers by a given offset */ |
3509 | noinline ecb_cold |
3657 | ecb_noinline ecb_cold |
3510 | static void |
3658 | static void |
3511 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3659 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3512 | { |
3660 | { |
3513 | int i; |
3661 | int i; |
3514 | |
3662 | |
… | |
… | |
3524 | /* also detect if there was a timejump, and act accordingly */ |
3672 | /* also detect if there was a timejump, and act accordingly */ |
3525 | inline_speed void |
3673 | inline_speed void |
3526 | time_update (EV_P_ ev_tstamp max_block) |
3674 | time_update (EV_P_ ev_tstamp max_block) |
3527 | { |
3675 | { |
3528 | #if EV_USE_MONOTONIC |
3676 | #if EV_USE_MONOTONIC |
3529 | if (expect_true (have_monotonic)) |
3677 | if (ecb_expect_true (have_monotonic)) |
3530 | { |
3678 | { |
3531 | int i; |
3679 | int i; |
3532 | ev_tstamp odiff = rtmn_diff; |
3680 | ev_tstamp odiff = rtmn_diff; |
3533 | |
3681 | |
3534 | mn_now = get_clock (); |
3682 | mn_now = get_clock (); |
3535 | |
3683 | |
3536 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3684 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3537 | /* interpolate in the meantime */ |
3685 | /* interpolate in the meantime */ |
3538 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3686 | if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3539 | { |
3687 | { |
3540 | ev_rt_now = rtmn_diff + mn_now; |
3688 | ev_rt_now = rtmn_diff + mn_now; |
3541 | return; |
3689 | return; |
3542 | } |
3690 | } |
3543 | |
3691 | |
… | |
… | |
3557 | ev_tstamp diff; |
3705 | ev_tstamp diff; |
3558 | rtmn_diff = ev_rt_now - mn_now; |
3706 | rtmn_diff = ev_rt_now - mn_now; |
3559 | |
3707 | |
3560 | diff = odiff - rtmn_diff; |
3708 | diff = odiff - rtmn_diff; |
3561 | |
3709 | |
3562 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3710 | if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3563 | return; /* all is well */ |
3711 | return; /* all is well */ |
3564 | |
3712 | |
3565 | ev_rt_now = ev_time (); |
3713 | ev_rt_now = ev_time (); |
3566 | mn_now = get_clock (); |
3714 | mn_now = get_clock (); |
3567 | now_floor = mn_now; |
3715 | now_floor = mn_now; |
… | |
… | |
3576 | else |
3724 | else |
3577 | #endif |
3725 | #endif |
3578 | { |
3726 | { |
3579 | ev_rt_now = ev_time (); |
3727 | ev_rt_now = ev_time (); |
3580 | |
3728 | |
3581 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3729 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3582 | { |
3730 | { |
3583 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3731 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3584 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3732 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3585 | #if EV_PERIODIC_ENABLE |
3733 | #if EV_PERIODIC_ENABLE |
3586 | periodics_reschedule (EV_A); |
3734 | periodics_reschedule (EV_A); |
… | |
… | |
3609 | #if EV_VERIFY >= 2 |
3757 | #if EV_VERIFY >= 2 |
3610 | ev_verify (EV_A); |
3758 | ev_verify (EV_A); |
3611 | #endif |
3759 | #endif |
3612 | |
3760 | |
3613 | #ifndef _WIN32 |
3761 | #ifndef _WIN32 |
3614 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3762 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3615 | if (expect_false (getpid () != curpid)) |
3763 | if (ecb_expect_false (getpid () != curpid)) |
3616 | { |
3764 | { |
3617 | curpid = getpid (); |
3765 | curpid = getpid (); |
3618 | postfork = 1; |
3766 | postfork = 1; |
3619 | } |
3767 | } |
3620 | #endif |
3768 | #endif |
3621 | |
3769 | |
3622 | #if EV_FORK_ENABLE |
3770 | #if EV_FORK_ENABLE |
3623 | /* we might have forked, so queue fork handlers */ |
3771 | /* we might have forked, so queue fork handlers */ |
3624 | if (expect_false (postfork)) |
3772 | if (ecb_expect_false (postfork)) |
3625 | if (forkcnt) |
3773 | if (forkcnt) |
3626 | { |
3774 | { |
3627 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3775 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3628 | EV_INVOKE_PENDING; |
3776 | EV_INVOKE_PENDING; |
3629 | } |
3777 | } |
3630 | #endif |
3778 | #endif |
3631 | |
3779 | |
3632 | #if EV_PREPARE_ENABLE |
3780 | #if EV_PREPARE_ENABLE |
3633 | /* queue prepare watchers (and execute them) */ |
3781 | /* queue prepare watchers (and execute them) */ |
3634 | if (expect_false (preparecnt)) |
3782 | if (ecb_expect_false (preparecnt)) |
3635 | { |
3783 | { |
3636 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3784 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3637 | EV_INVOKE_PENDING; |
3785 | EV_INVOKE_PENDING; |
3638 | } |
3786 | } |
3639 | #endif |
3787 | #endif |
3640 | |
3788 | |
3641 | if (expect_false (loop_done)) |
3789 | if (ecb_expect_false (loop_done)) |
3642 | break; |
3790 | break; |
3643 | |
3791 | |
3644 | /* we might have forked, so reify kernel state if necessary */ |
3792 | /* we might have forked, so reify kernel state if necessary */ |
3645 | if (expect_false (postfork)) |
3793 | if (ecb_expect_false (postfork)) |
3646 | loop_fork (EV_A); |
3794 | loop_fork (EV_A); |
3647 | |
3795 | |
3648 | /* update fd-related kernel structures */ |
3796 | /* update fd-related kernel structures */ |
3649 | fd_reify (EV_A); |
3797 | fd_reify (EV_A); |
3650 | |
3798 | |
… | |
… | |
3662 | /* from now on, we want a pipe-wake-up */ |
3810 | /* from now on, we want a pipe-wake-up */ |
3663 | pipe_write_wanted = 1; |
3811 | pipe_write_wanted = 1; |
3664 | |
3812 | |
3665 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3813 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3666 | |
3814 | |
3667 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3815 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3668 | { |
3816 | { |
3669 | waittime = MAX_BLOCKTIME; |
3817 | waittime = MAX_BLOCKTIME; |
3670 | |
3818 | |
3671 | if (timercnt) |
3819 | if (timercnt) |
3672 | { |
3820 | { |
… | |
… | |
3681 | if (waittime > to) waittime = to; |
3829 | if (waittime > to) waittime = to; |
3682 | } |
3830 | } |
3683 | #endif |
3831 | #endif |
3684 | |
3832 | |
3685 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3833 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3686 | if (expect_false (waittime < timeout_blocktime)) |
3834 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3687 | waittime = timeout_blocktime; |
3835 | waittime = timeout_blocktime; |
3688 | |
3836 | |
3689 | /* at this point, we NEED to wait, so we have to ensure */ |
3837 | /* at this point, we NEED to wait, so we have to ensure */ |
3690 | /* to pass a minimum nonzero value to the backend */ |
3838 | /* to pass a minimum nonzero value to the backend */ |
3691 | if (expect_false (waittime < backend_mintime)) |
3839 | if (ecb_expect_false (waittime < backend_mintime)) |
3692 | waittime = backend_mintime; |
3840 | waittime = backend_mintime; |
3693 | |
3841 | |
3694 | /* extra check because io_blocktime is commonly 0 */ |
3842 | /* extra check because io_blocktime is commonly 0 */ |
3695 | if (expect_false (io_blocktime)) |
3843 | if (ecb_expect_false (io_blocktime)) |
3696 | { |
3844 | { |
3697 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3845 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3698 | |
3846 | |
3699 | if (sleeptime > waittime - backend_mintime) |
3847 | if (sleeptime > waittime - backend_mintime) |
3700 | sleeptime = waittime - backend_mintime; |
3848 | sleeptime = waittime - backend_mintime; |
3701 | |
3849 | |
3702 | if (expect_true (sleeptime > 0.)) |
3850 | if (ecb_expect_true (sleeptime > 0.)) |
3703 | { |
3851 | { |
3704 | ev_sleep (sleeptime); |
3852 | ev_sleep (sleeptime); |
3705 | waittime -= sleeptime; |
3853 | waittime -= sleeptime; |
3706 | } |
3854 | } |
3707 | } |
3855 | } |
… | |
… | |
3721 | { |
3869 | { |
3722 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3870 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3723 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3871 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3724 | } |
3872 | } |
3725 | |
3873 | |
3726 | |
|
|
3727 | /* update ev_rt_now, do magic */ |
3874 | /* update ev_rt_now, do magic */ |
3728 | time_update (EV_A_ waittime + sleeptime); |
3875 | time_update (EV_A_ waittime + sleeptime); |
3729 | } |
3876 | } |
3730 | |
3877 | |
3731 | /* queue pending timers and reschedule them */ |
3878 | /* queue pending timers and reschedule them */ |
… | |
… | |
3739 | idle_reify (EV_A); |
3886 | idle_reify (EV_A); |
3740 | #endif |
3887 | #endif |
3741 | |
3888 | |
3742 | #if EV_CHECK_ENABLE |
3889 | #if EV_CHECK_ENABLE |
3743 | /* queue check watchers, to be executed first */ |
3890 | /* queue check watchers, to be executed first */ |
3744 | if (expect_false (checkcnt)) |
3891 | if (ecb_expect_false (checkcnt)) |
3745 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3892 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3746 | #endif |
3893 | #endif |
3747 | |
3894 | |
3748 | EV_INVOKE_PENDING; |
3895 | EV_INVOKE_PENDING; |
3749 | } |
3896 | } |
3750 | while (expect_true ( |
3897 | while (ecb_expect_true ( |
3751 | activecnt |
3898 | activecnt |
3752 | && !loop_done |
3899 | && !loop_done |
3753 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3900 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3754 | )); |
3901 | )); |
3755 | |
3902 | |
… | |
… | |
3819 | inline_size void |
3966 | inline_size void |
3820 | wlist_del (WL *head, WL elem) |
3967 | wlist_del (WL *head, WL elem) |
3821 | { |
3968 | { |
3822 | while (*head) |
3969 | while (*head) |
3823 | { |
3970 | { |
3824 | if (expect_true (*head == elem)) |
3971 | if (ecb_expect_true (*head == elem)) |
3825 | { |
3972 | { |
3826 | *head = elem->next; |
3973 | *head = elem->next; |
3827 | break; |
3974 | break; |
3828 | } |
3975 | } |
3829 | |
3976 | |
… | |
… | |
3846 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3993 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3847 | { |
3994 | { |
3848 | W w_ = (W)w; |
3995 | W w_ = (W)w; |
3849 | int pending = w_->pending; |
3996 | int pending = w_->pending; |
3850 | |
3997 | |
3851 | if (expect_true (pending)) |
3998 | if (ecb_expect_true (pending)) |
3852 | { |
3999 | { |
3853 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
4000 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3854 | p->w = (W)&pending_w; |
4001 | p->w = (W)&pending_w; |
3855 | w_->pending = 0; |
4002 | w_->pending = 0; |
3856 | return p->events; |
4003 | return p->events; |
… | |
… | |
3883 | w->active = 0; |
4030 | w->active = 0; |
3884 | } |
4031 | } |
3885 | |
4032 | |
3886 | /*****************************************************************************/ |
4033 | /*****************************************************************************/ |
3887 | |
4034 | |
3888 | noinline |
4035 | ecb_noinline |
3889 | void |
4036 | void |
3890 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
4037 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3891 | { |
4038 | { |
3892 | int fd = w->fd; |
4039 | int fd = w->fd; |
3893 | |
4040 | |
3894 | if (expect_false (ev_is_active (w))) |
4041 | if (ecb_expect_false (ev_is_active (w))) |
3895 | return; |
4042 | return; |
3896 | |
4043 | |
3897 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
4044 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3898 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
4045 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3899 | |
4046 | |
|
|
4047 | #if EV_VERIFY >= 2 |
|
|
4048 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
4049 | #endif |
3900 | EV_FREQUENT_CHECK; |
4050 | EV_FREQUENT_CHECK; |
3901 | |
4051 | |
3902 | ev_start (EV_A_ (W)w, 1); |
4052 | ev_start (EV_A_ (W)w, 1); |
3903 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
4053 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3904 | wlist_add (&anfds[fd].head, (WL)w); |
4054 | wlist_add (&anfds[fd].head, (WL)w); |
… | |
… | |
3910 | w->events &= ~EV__IOFDSET; |
4060 | w->events &= ~EV__IOFDSET; |
3911 | |
4061 | |
3912 | EV_FREQUENT_CHECK; |
4062 | EV_FREQUENT_CHECK; |
3913 | } |
4063 | } |
3914 | |
4064 | |
3915 | noinline |
4065 | ecb_noinline |
3916 | void |
4066 | void |
3917 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
4067 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3918 | { |
4068 | { |
3919 | clear_pending (EV_A_ (W)w); |
4069 | clear_pending (EV_A_ (W)w); |
3920 | if (expect_false (!ev_is_active (w))) |
4070 | if (ecb_expect_false (!ev_is_active (w))) |
3921 | return; |
4071 | return; |
3922 | |
4072 | |
3923 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
4073 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3924 | |
4074 | |
|
|
4075 | #if EV_VERIFY >= 2 |
|
|
4076 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
4077 | #endif |
3925 | EV_FREQUENT_CHECK; |
4078 | EV_FREQUENT_CHECK; |
3926 | |
4079 | |
3927 | wlist_del (&anfds[w->fd].head, (WL)w); |
4080 | wlist_del (&anfds[w->fd].head, (WL)w); |
3928 | ev_stop (EV_A_ (W)w); |
4081 | ev_stop (EV_A_ (W)w); |
3929 | |
4082 | |
3930 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
4083 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3931 | |
4084 | |
3932 | EV_FREQUENT_CHECK; |
4085 | EV_FREQUENT_CHECK; |
3933 | } |
4086 | } |
3934 | |
4087 | |
3935 | noinline |
4088 | ecb_noinline |
3936 | void |
4089 | void |
3937 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
4090 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3938 | { |
4091 | { |
3939 | if (expect_false (ev_is_active (w))) |
4092 | if (ecb_expect_false (ev_is_active (w))) |
3940 | return; |
4093 | return; |
3941 | |
4094 | |
3942 | ev_at (w) += mn_now; |
4095 | ev_at (w) += mn_now; |
3943 | |
4096 | |
3944 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
4097 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
… | |
… | |
3955 | EV_FREQUENT_CHECK; |
4108 | EV_FREQUENT_CHECK; |
3956 | |
4109 | |
3957 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
4110 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3958 | } |
4111 | } |
3959 | |
4112 | |
3960 | noinline |
4113 | ecb_noinline |
3961 | void |
4114 | void |
3962 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
4115 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3963 | { |
4116 | { |
3964 | clear_pending (EV_A_ (W)w); |
4117 | clear_pending (EV_A_ (W)w); |
3965 | if (expect_false (!ev_is_active (w))) |
4118 | if (ecb_expect_false (!ev_is_active (w))) |
3966 | return; |
4119 | return; |
3967 | |
4120 | |
3968 | EV_FREQUENT_CHECK; |
4121 | EV_FREQUENT_CHECK; |
3969 | |
4122 | |
3970 | { |
4123 | { |
… | |
… | |
3972 | |
4125 | |
3973 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4126 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3974 | |
4127 | |
3975 | --timercnt; |
4128 | --timercnt; |
3976 | |
4129 | |
3977 | if (expect_true (active < timercnt + HEAP0)) |
4130 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3978 | { |
4131 | { |
3979 | timers [active] = timers [timercnt + HEAP0]; |
4132 | timers [active] = timers [timercnt + HEAP0]; |
3980 | adjustheap (timers, timercnt, active); |
4133 | adjustheap (timers, timercnt, active); |
3981 | } |
4134 | } |
3982 | } |
4135 | } |
… | |
… | |
3986 | ev_stop (EV_A_ (W)w); |
4139 | ev_stop (EV_A_ (W)w); |
3987 | |
4140 | |
3988 | EV_FREQUENT_CHECK; |
4141 | EV_FREQUENT_CHECK; |
3989 | } |
4142 | } |
3990 | |
4143 | |
3991 | noinline |
4144 | ecb_noinline |
3992 | void |
4145 | void |
3993 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4146 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3994 | { |
4147 | { |
3995 | EV_FREQUENT_CHECK; |
4148 | EV_FREQUENT_CHECK; |
3996 | |
4149 | |
… | |
… | |
4021 | { |
4174 | { |
4022 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4175 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4023 | } |
4176 | } |
4024 | |
4177 | |
4025 | #if EV_PERIODIC_ENABLE |
4178 | #if EV_PERIODIC_ENABLE |
4026 | noinline |
4179 | ecb_noinline |
4027 | void |
4180 | void |
4028 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4181 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4029 | { |
4182 | { |
4030 | if (expect_false (ev_is_active (w))) |
4183 | if (ecb_expect_false (ev_is_active (w))) |
4031 | return; |
4184 | return; |
4032 | |
4185 | |
4033 | if (w->reschedule_cb) |
4186 | if (w->reschedule_cb) |
4034 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4187 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4035 | else if (w->interval) |
4188 | else if (w->interval) |
… | |
… | |
4052 | EV_FREQUENT_CHECK; |
4205 | EV_FREQUENT_CHECK; |
4053 | |
4206 | |
4054 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4207 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4055 | } |
4208 | } |
4056 | |
4209 | |
4057 | noinline |
4210 | ecb_noinline |
4058 | void |
4211 | void |
4059 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4212 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4060 | { |
4213 | { |
4061 | clear_pending (EV_A_ (W)w); |
4214 | clear_pending (EV_A_ (W)w); |
4062 | if (expect_false (!ev_is_active (w))) |
4215 | if (ecb_expect_false (!ev_is_active (w))) |
4063 | return; |
4216 | return; |
4064 | |
4217 | |
4065 | EV_FREQUENT_CHECK; |
4218 | EV_FREQUENT_CHECK; |
4066 | |
4219 | |
4067 | { |
4220 | { |
… | |
… | |
4069 | |
4222 | |
4070 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4223 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4071 | |
4224 | |
4072 | --periodiccnt; |
4225 | --periodiccnt; |
4073 | |
4226 | |
4074 | if (expect_true (active < periodiccnt + HEAP0)) |
4227 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4075 | { |
4228 | { |
4076 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4229 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4077 | adjustheap (periodics, periodiccnt, active); |
4230 | adjustheap (periodics, periodiccnt, active); |
4078 | } |
4231 | } |
4079 | } |
4232 | } |
… | |
… | |
4081 | ev_stop (EV_A_ (W)w); |
4234 | ev_stop (EV_A_ (W)w); |
4082 | |
4235 | |
4083 | EV_FREQUENT_CHECK; |
4236 | EV_FREQUENT_CHECK; |
4084 | } |
4237 | } |
4085 | |
4238 | |
4086 | noinline |
4239 | ecb_noinline |
4087 | void |
4240 | void |
4088 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4241 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4089 | { |
4242 | { |
4090 | /* TODO: use adjustheap and recalculation */ |
4243 | /* TODO: use adjustheap and recalculation */ |
4091 | ev_periodic_stop (EV_A_ w); |
4244 | ev_periodic_stop (EV_A_ w); |
… | |
… | |
4097 | # define SA_RESTART 0 |
4250 | # define SA_RESTART 0 |
4098 | #endif |
4251 | #endif |
4099 | |
4252 | |
4100 | #if EV_SIGNAL_ENABLE |
4253 | #if EV_SIGNAL_ENABLE |
4101 | |
4254 | |
4102 | noinline |
4255 | ecb_noinline |
4103 | void |
4256 | void |
4104 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4257 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4105 | { |
4258 | { |
4106 | if (expect_false (ev_is_active (w))) |
4259 | if (ecb_expect_false (ev_is_active (w))) |
4107 | return; |
4260 | return; |
4108 | |
4261 | |
4109 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4262 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4110 | |
4263 | |
4111 | #if EV_MULTIPLICITY |
4264 | #if EV_MULTIPLICITY |
… | |
… | |
4180 | } |
4333 | } |
4181 | |
4334 | |
4182 | EV_FREQUENT_CHECK; |
4335 | EV_FREQUENT_CHECK; |
4183 | } |
4336 | } |
4184 | |
4337 | |
4185 | noinline |
4338 | ecb_noinline |
4186 | void |
4339 | void |
4187 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4340 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4188 | { |
4341 | { |
4189 | clear_pending (EV_A_ (W)w); |
4342 | clear_pending (EV_A_ (W)w); |
4190 | if (expect_false (!ev_is_active (w))) |
4343 | if (ecb_expect_false (!ev_is_active (w))) |
4191 | return; |
4344 | return; |
4192 | |
4345 | |
4193 | EV_FREQUENT_CHECK; |
4346 | EV_FREQUENT_CHECK; |
4194 | |
4347 | |
4195 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4348 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4228 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4381 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4229 | { |
4382 | { |
4230 | #if EV_MULTIPLICITY |
4383 | #if EV_MULTIPLICITY |
4231 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4384 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4232 | #endif |
4385 | #endif |
4233 | if (expect_false (ev_is_active (w))) |
4386 | if (ecb_expect_false (ev_is_active (w))) |
4234 | return; |
4387 | return; |
4235 | |
4388 | |
4236 | EV_FREQUENT_CHECK; |
4389 | EV_FREQUENT_CHECK; |
4237 | |
4390 | |
4238 | ev_start (EV_A_ (W)w, 1); |
4391 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4243 | |
4396 | |
4244 | void |
4397 | void |
4245 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4398 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4246 | { |
4399 | { |
4247 | clear_pending (EV_A_ (W)w); |
4400 | clear_pending (EV_A_ (W)w); |
4248 | if (expect_false (!ev_is_active (w))) |
4401 | if (ecb_expect_false (!ev_is_active (w))) |
4249 | return; |
4402 | return; |
4250 | |
4403 | |
4251 | EV_FREQUENT_CHECK; |
4404 | EV_FREQUENT_CHECK; |
4252 | |
4405 | |
4253 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4406 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4267 | |
4420 | |
4268 | #define DEF_STAT_INTERVAL 5.0074891 |
4421 | #define DEF_STAT_INTERVAL 5.0074891 |
4269 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4422 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4270 | #define MIN_STAT_INTERVAL 0.1074891 |
4423 | #define MIN_STAT_INTERVAL 0.1074891 |
4271 | |
4424 | |
4272 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4425 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4273 | |
4426 | |
4274 | #if EV_USE_INOTIFY |
4427 | #if EV_USE_INOTIFY |
4275 | |
4428 | |
4276 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4429 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4277 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4430 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4278 | |
4431 | |
4279 | noinline |
4432 | ecb_noinline |
4280 | static void |
4433 | static void |
4281 | infy_add (EV_P_ ev_stat *w) |
4434 | infy_add (EV_P_ ev_stat *w) |
4282 | { |
4435 | { |
4283 | w->wd = inotify_add_watch (fs_fd, w->path, |
4436 | w->wd = inotify_add_watch (fs_fd, w->path, |
4284 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4437 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4349 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4502 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4350 | ev_timer_again (EV_A_ &w->timer); |
4503 | ev_timer_again (EV_A_ &w->timer); |
4351 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4504 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4352 | } |
4505 | } |
4353 | |
4506 | |
4354 | noinline |
4507 | ecb_noinline |
4355 | static void |
4508 | static void |
4356 | infy_del (EV_P_ ev_stat *w) |
4509 | infy_del (EV_P_ ev_stat *w) |
4357 | { |
4510 | { |
4358 | int slot; |
4511 | int slot; |
4359 | int wd = w->wd; |
4512 | int wd = w->wd; |
… | |
… | |
4367 | |
4520 | |
4368 | /* remove this watcher, if others are watching it, they will rearm */ |
4521 | /* remove this watcher, if others are watching it, they will rearm */ |
4369 | inotify_rm_watch (fs_fd, wd); |
4522 | inotify_rm_watch (fs_fd, wd); |
4370 | } |
4523 | } |
4371 | |
4524 | |
4372 | noinline |
4525 | ecb_noinline |
4373 | static void |
4526 | static void |
4374 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4527 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4375 | { |
4528 | { |
4376 | if (slot < 0) |
4529 | if (slot < 0) |
4377 | /* overflow, need to check for all hash slots */ |
4530 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4523 | w->attr.st_nlink = 0; |
4676 | w->attr.st_nlink = 0; |
4524 | else if (!w->attr.st_nlink) |
4677 | else if (!w->attr.st_nlink) |
4525 | w->attr.st_nlink = 1; |
4678 | w->attr.st_nlink = 1; |
4526 | } |
4679 | } |
4527 | |
4680 | |
4528 | noinline |
4681 | ecb_noinline |
4529 | static void |
4682 | static void |
4530 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4683 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4531 | { |
4684 | { |
4532 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4685 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4533 | |
4686 | |
… | |
… | |
4567 | } |
4720 | } |
4568 | |
4721 | |
4569 | void |
4722 | void |
4570 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4723 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4571 | { |
4724 | { |
4572 | if (expect_false (ev_is_active (w))) |
4725 | if (ecb_expect_false (ev_is_active (w))) |
4573 | return; |
4726 | return; |
4574 | |
4727 | |
4575 | ev_stat_stat (EV_A_ w); |
4728 | ev_stat_stat (EV_A_ w); |
4576 | |
4729 | |
4577 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4730 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4599 | |
4752 | |
4600 | void |
4753 | void |
4601 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4754 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4602 | { |
4755 | { |
4603 | clear_pending (EV_A_ (W)w); |
4756 | clear_pending (EV_A_ (W)w); |
4604 | if (expect_false (!ev_is_active (w))) |
4757 | if (ecb_expect_false (!ev_is_active (w))) |
4605 | return; |
4758 | return; |
4606 | |
4759 | |
4607 | EV_FREQUENT_CHECK; |
4760 | EV_FREQUENT_CHECK; |
4608 | |
4761 | |
4609 | #if EV_USE_INOTIFY |
4762 | #if EV_USE_INOTIFY |
… | |
… | |
4624 | |
4777 | |
4625 | #if EV_IDLE_ENABLE |
4778 | #if EV_IDLE_ENABLE |
4626 | void |
4779 | void |
4627 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4780 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4628 | { |
4781 | { |
4629 | if (expect_false (ev_is_active (w))) |
4782 | if (ecb_expect_false (ev_is_active (w))) |
4630 | return; |
4783 | return; |
4631 | |
4784 | |
4632 | pri_adjust (EV_A_ (W)w); |
4785 | pri_adjust (EV_A_ (W)w); |
4633 | |
4786 | |
4634 | EV_FREQUENT_CHECK; |
4787 | EV_FREQUENT_CHECK; |
… | |
… | |
4648 | |
4801 | |
4649 | void |
4802 | void |
4650 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4803 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4651 | { |
4804 | { |
4652 | clear_pending (EV_A_ (W)w); |
4805 | clear_pending (EV_A_ (W)w); |
4653 | if (expect_false (!ev_is_active (w))) |
4806 | if (ecb_expect_false (!ev_is_active (w))) |
4654 | return; |
4807 | return; |
4655 | |
4808 | |
4656 | EV_FREQUENT_CHECK; |
4809 | EV_FREQUENT_CHECK; |
4657 | |
4810 | |
4658 | { |
4811 | { |
… | |
… | |
4671 | |
4824 | |
4672 | #if EV_PREPARE_ENABLE |
4825 | #if EV_PREPARE_ENABLE |
4673 | void |
4826 | void |
4674 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4827 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4675 | { |
4828 | { |
4676 | if (expect_false (ev_is_active (w))) |
4829 | if (ecb_expect_false (ev_is_active (w))) |
4677 | return; |
4830 | return; |
4678 | |
4831 | |
4679 | EV_FREQUENT_CHECK; |
4832 | EV_FREQUENT_CHECK; |
4680 | |
4833 | |
4681 | ev_start (EV_A_ (W)w, ++preparecnt); |
4834 | ev_start (EV_A_ (W)w, ++preparecnt); |
… | |
… | |
4687 | |
4840 | |
4688 | void |
4841 | void |
4689 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4842 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4690 | { |
4843 | { |
4691 | clear_pending (EV_A_ (W)w); |
4844 | clear_pending (EV_A_ (W)w); |
4692 | if (expect_false (!ev_is_active (w))) |
4845 | if (ecb_expect_false (!ev_is_active (w))) |
4693 | return; |
4846 | return; |
4694 | |
4847 | |
4695 | EV_FREQUENT_CHECK; |
4848 | EV_FREQUENT_CHECK; |
4696 | |
4849 | |
4697 | { |
4850 | { |
… | |
… | |
4709 | |
4862 | |
4710 | #if EV_CHECK_ENABLE |
4863 | #if EV_CHECK_ENABLE |
4711 | void |
4864 | void |
4712 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4865 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4713 | { |
4866 | { |
4714 | if (expect_false (ev_is_active (w))) |
4867 | if (ecb_expect_false (ev_is_active (w))) |
4715 | return; |
4868 | return; |
4716 | |
4869 | |
4717 | EV_FREQUENT_CHECK; |
4870 | EV_FREQUENT_CHECK; |
4718 | |
4871 | |
4719 | ev_start (EV_A_ (W)w, ++checkcnt); |
4872 | ev_start (EV_A_ (W)w, ++checkcnt); |
… | |
… | |
4725 | |
4878 | |
4726 | void |
4879 | void |
4727 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4880 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4728 | { |
4881 | { |
4729 | clear_pending (EV_A_ (W)w); |
4882 | clear_pending (EV_A_ (W)w); |
4730 | if (expect_false (!ev_is_active (w))) |
4883 | if (ecb_expect_false (!ev_is_active (w))) |
4731 | return; |
4884 | return; |
4732 | |
4885 | |
4733 | EV_FREQUENT_CHECK; |
4886 | EV_FREQUENT_CHECK; |
4734 | |
4887 | |
4735 | { |
4888 | { |
… | |
… | |
4744 | EV_FREQUENT_CHECK; |
4897 | EV_FREQUENT_CHECK; |
4745 | } |
4898 | } |
4746 | #endif |
4899 | #endif |
4747 | |
4900 | |
4748 | #if EV_EMBED_ENABLE |
4901 | #if EV_EMBED_ENABLE |
4749 | noinline |
4902 | ecb_noinline |
4750 | void |
4903 | void |
4751 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4904 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4752 | { |
4905 | { |
4753 | ev_run (w->other, EVRUN_NOWAIT); |
4906 | ev_run (w->other, EVRUN_NOWAIT); |
4754 | } |
4907 | } |
… | |
… | |
4806 | #endif |
4959 | #endif |
4807 | |
4960 | |
4808 | void |
4961 | void |
4809 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4962 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4810 | { |
4963 | { |
4811 | if (expect_false (ev_is_active (w))) |
4964 | if (ecb_expect_false (ev_is_active (w))) |
4812 | return; |
4965 | return; |
4813 | |
4966 | |
4814 | { |
4967 | { |
4815 | EV_P = w->other; |
4968 | EV_P = w->other; |
4816 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4969 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4838 | |
4991 | |
4839 | void |
4992 | void |
4840 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4993 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4841 | { |
4994 | { |
4842 | clear_pending (EV_A_ (W)w); |
4995 | clear_pending (EV_A_ (W)w); |
4843 | if (expect_false (!ev_is_active (w))) |
4996 | if (ecb_expect_false (!ev_is_active (w))) |
4844 | return; |
4997 | return; |
4845 | |
4998 | |
4846 | EV_FREQUENT_CHECK; |
4999 | EV_FREQUENT_CHECK; |
4847 | |
5000 | |
4848 | ev_io_stop (EV_A_ &w->io); |
5001 | ev_io_stop (EV_A_ &w->io); |
… | |
… | |
4857 | |
5010 | |
4858 | #if EV_FORK_ENABLE |
5011 | #if EV_FORK_ENABLE |
4859 | void |
5012 | void |
4860 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
5013 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4861 | { |
5014 | { |
4862 | if (expect_false (ev_is_active (w))) |
5015 | if (ecb_expect_false (ev_is_active (w))) |
4863 | return; |
5016 | return; |
4864 | |
5017 | |
4865 | EV_FREQUENT_CHECK; |
5018 | EV_FREQUENT_CHECK; |
4866 | |
5019 | |
4867 | ev_start (EV_A_ (W)w, ++forkcnt); |
5020 | ev_start (EV_A_ (W)w, ++forkcnt); |
… | |
… | |
4873 | |
5026 | |
4874 | void |
5027 | void |
4875 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
5028 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4876 | { |
5029 | { |
4877 | clear_pending (EV_A_ (W)w); |
5030 | clear_pending (EV_A_ (W)w); |
4878 | if (expect_false (!ev_is_active (w))) |
5031 | if (ecb_expect_false (!ev_is_active (w))) |
4879 | return; |
5032 | return; |
4880 | |
5033 | |
4881 | EV_FREQUENT_CHECK; |
5034 | EV_FREQUENT_CHECK; |
4882 | |
5035 | |
4883 | { |
5036 | { |
… | |
… | |
4895 | |
5048 | |
4896 | #if EV_CLEANUP_ENABLE |
5049 | #if EV_CLEANUP_ENABLE |
4897 | void |
5050 | void |
4898 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5051 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4899 | { |
5052 | { |
4900 | if (expect_false (ev_is_active (w))) |
5053 | if (ecb_expect_false (ev_is_active (w))) |
4901 | return; |
5054 | return; |
4902 | |
5055 | |
4903 | EV_FREQUENT_CHECK; |
5056 | EV_FREQUENT_CHECK; |
4904 | |
5057 | |
4905 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
5058 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
… | |
… | |
4913 | |
5066 | |
4914 | void |
5067 | void |
4915 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
5068 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4916 | { |
5069 | { |
4917 | clear_pending (EV_A_ (W)w); |
5070 | clear_pending (EV_A_ (W)w); |
4918 | if (expect_false (!ev_is_active (w))) |
5071 | if (ecb_expect_false (!ev_is_active (w))) |
4919 | return; |
5072 | return; |
4920 | |
5073 | |
4921 | EV_FREQUENT_CHECK; |
5074 | EV_FREQUENT_CHECK; |
4922 | ev_ref (EV_A); |
5075 | ev_ref (EV_A); |
4923 | |
5076 | |
… | |
… | |
4936 | |
5089 | |
4937 | #if EV_ASYNC_ENABLE |
5090 | #if EV_ASYNC_ENABLE |
4938 | void |
5091 | void |
4939 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
5092 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4940 | { |
5093 | { |
4941 | if (expect_false (ev_is_active (w))) |
5094 | if (ecb_expect_false (ev_is_active (w))) |
4942 | return; |
5095 | return; |
4943 | |
5096 | |
4944 | w->sent = 0; |
5097 | w->sent = 0; |
4945 | |
5098 | |
4946 | evpipe_init (EV_A); |
5099 | evpipe_init (EV_A); |
… | |
… | |
4956 | |
5109 | |
4957 | void |
5110 | void |
4958 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
5111 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4959 | { |
5112 | { |
4960 | clear_pending (EV_A_ (W)w); |
5113 | clear_pending (EV_A_ (W)w); |
4961 | if (expect_false (!ev_is_active (w))) |
5114 | if (ecb_expect_false (!ev_is_active (w))) |
4962 | return; |
5115 | return; |
4963 | |
5116 | |
4964 | EV_FREQUENT_CHECK; |
5117 | EV_FREQUENT_CHECK; |
4965 | |
5118 | |
4966 | { |
5119 | { |