1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007-2018 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
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 |
… | |
… | |
315 | |
324 | |
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 | |
|
|
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 |
|
|
333 | # define EV_USE_LINUXAIO 0 |
|
|
334 | # endif |
|
|
335 | #endif |
|
|
336 | |
320 | #ifndef EV_USE_INOTIFY |
337 | #ifndef EV_USE_INOTIFY |
321 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
338 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
322 | # define EV_USE_INOTIFY EV_FEATURE_OS |
339 | # define EV_USE_INOTIFY EV_FEATURE_OS |
323 | # else |
340 | # else |
324 | # define EV_USE_INOTIFY 0 |
341 | # define EV_USE_INOTIFY 0 |
… | |
… | |
416 | |
433 | |
417 | #if !EV_USE_NANOSLEEP |
434 | #if !EV_USE_NANOSLEEP |
418 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
435 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
419 | # if !defined _WIN32 && !defined __hpux |
436 | # if !defined _WIN32 && !defined __hpux |
420 | # include <sys/select.h> |
437 | # include <sys/select.h> |
|
|
438 | # endif |
|
|
439 | #endif |
|
|
440 | |
|
|
441 | #if EV_USE_LINUXAIO |
|
|
442 | # include <sys/syscall.h> |
|
|
443 | # if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */ |
|
|
444 | # undef EV_USE_LINUXAIO |
|
|
445 | # define EV_USE_LINUXAIO 0 |
421 | # endif |
446 | # endif |
422 | #endif |
447 | #endif |
423 | |
448 | |
424 | #if EV_USE_INOTIFY |
449 | #if EV_USE_INOTIFY |
425 | # include <sys/statfs.h> |
450 | # include <sys/statfs.h> |
… | |
… | |
534 | |
559 | |
535 | #ifndef ECB_H |
560 | #ifndef ECB_H |
536 | #define ECB_H |
561 | #define ECB_H |
537 | |
562 | |
538 | /* 16 bits major, 16 bits minor */ |
563 | /* 16 bits major, 16 bits minor */ |
539 | #define ECB_VERSION 0x00010005 |
564 | #define ECB_VERSION 0x00010006 |
540 | |
565 | |
541 | #ifdef _WIN32 |
566 | #ifdef _WIN32 |
542 | typedef signed char int8_t; |
567 | typedef signed char int8_t; |
543 | typedef unsigned char uint8_t; |
568 | typedef unsigned char uint8_t; |
544 | typedef signed short int16_t; |
569 | typedef signed short int16_t; |
… | |
… | |
658 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
683 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
659 | #endif |
684 | #endif |
660 | |
685 | |
661 | #ifndef ECB_MEMORY_FENCE |
686 | #ifndef ECB_MEMORY_FENCE |
662 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
687 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
|
|
688 | #define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory") |
663 | #if __i386 || __i386__ |
689 | #if __i386 || __i386__ |
664 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
690 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
665 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
691 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
666 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
692 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
667 | #elif ECB_GCC_AMD64 |
693 | #elif ECB_GCC_AMD64 |
… | |
… | |
717 | #if ECB_GCC_VERSION(4,7) |
743 | #if ECB_GCC_VERSION(4,7) |
718 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
744 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
719 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
745 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
720 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
746 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
721 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
747 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
748 | #define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED) |
722 | |
749 | |
723 | #elif ECB_CLANG_EXTENSION(c_atomic) |
750 | #elif ECB_CLANG_EXTENSION(c_atomic) |
724 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
751 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
725 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
752 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
726 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
753 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
727 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
754 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
|
|
755 | #define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED) |
728 | |
756 | |
729 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
757 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
730 | #define ECB_MEMORY_FENCE __sync_synchronize () |
758 | #define ECB_MEMORY_FENCE __sync_synchronize () |
731 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
759 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
732 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
760 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
742 | #elif defined _WIN32 |
770 | #elif defined _WIN32 |
743 | #include <WinNT.h> |
771 | #include <WinNT.h> |
744 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
772 | #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ |
745 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
773 | #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
746 | #include <mbarrier.h> |
774 | #include <mbarrier.h> |
747 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
775 | #define ECB_MEMORY_FENCE __machine_rw_barrier () |
748 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () |
776 | #define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier () |
749 | #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () |
777 | #define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier () |
|
|
778 | #define ECB_MEMORY_FENCE_RELAXED __compiler_barrier () |
750 | #elif __xlC__ |
779 | #elif __xlC__ |
751 | #define ECB_MEMORY_FENCE __sync () |
780 | #define ECB_MEMORY_FENCE __sync () |
752 | #endif |
781 | #endif |
753 | #endif |
782 | #endif |
754 | |
783 | |
755 | #ifndef ECB_MEMORY_FENCE |
784 | #ifndef ECB_MEMORY_FENCE |
756 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
785 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
757 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
786 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
758 | /* not just C11 atomics and atomic accesses */ |
787 | /* not just C11 atomics and atomic accesses */ |
759 | #include <stdatomic.h> |
788 | #include <stdatomic.h> |
760 | /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */ |
|
|
761 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
|
|
762 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
|
|
763 | /* for most usages, or gcc and clang have a bug */ |
|
|
764 | /* I *currently* lean towards the latter, and inefficiently implement */ |
|
|
765 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
766 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
767 | /* for all __atomic_thread_fence's except seq_cst */ |
|
|
768 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
789 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
|
|
790 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
|
|
791 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
769 | #endif |
792 | #endif |
770 | #endif |
793 | #endif |
771 | |
794 | |
772 | #ifndef ECB_MEMORY_FENCE |
795 | #ifndef ECB_MEMORY_FENCE |
773 | #if !ECB_AVOID_PTHREADS |
796 | #if !ECB_AVOID_PTHREADS |
… | |
… | |
791 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
814 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
792 | #endif |
815 | #endif |
793 | |
816 | |
794 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
817 | #if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE |
795 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
818 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
|
|
819 | #endif |
|
|
820 | |
|
|
821 | #if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE |
|
|
822 | #define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */ |
796 | #endif |
823 | #endif |
797 | |
824 | |
798 | /*****************************************************************************/ |
825 | /*****************************************************************************/ |
799 | |
826 | |
800 | #if ECB_CPP |
827 | #if ECB_CPP |
… | |
… | |
1509 | /* ECB.H END */ |
1536 | /* ECB.H END */ |
1510 | |
1537 | |
1511 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1538 | #if ECB_MEMORY_FENCE_NEEDS_PTHREADS |
1512 | /* if your architecture doesn't need memory fences, e.g. because it is |
1539 | /* if your architecture doesn't need memory fences, e.g. because it is |
1513 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1540 | * single-cpu/core, or if you use libev in a project that doesn't use libev |
1514 | * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling |
1541 | * from multiple threads, then you can define ECB_NO_THREADS when compiling |
1515 | * libev, in which cases the memory fences become nops. |
1542 | * libev, in which cases the memory fences become nops. |
1516 | * alternatively, you can remove this #error and link against libpthread, |
1543 | * alternatively, you can remove this #error and link against libpthread, |
1517 | * which will then provide the memory fences. |
1544 | * which will then provide the memory fences. |
1518 | */ |
1545 | */ |
1519 | # error "memory fences not defined for your architecture, please report" |
1546 | # error "memory fences not defined for your architecture, please report" |
… | |
… | |
1523 | # define ECB_MEMORY_FENCE do { } while (0) |
1550 | # define ECB_MEMORY_FENCE do { } while (0) |
1524 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1551 | # define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE |
1525 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1552 | # define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
1526 | #endif |
1553 | #endif |
1527 | |
1554 | |
1528 | #define expect_false(cond) ecb_expect_false (cond) |
|
|
1529 | #define expect_true(cond) ecb_expect_true (cond) |
|
|
1530 | #define noinline ecb_noinline |
|
|
1531 | |
|
|
1532 | #define inline_size ecb_inline |
1555 | #define inline_size ecb_inline |
1533 | |
1556 | |
1534 | #if EV_FEATURE_CODE |
1557 | #if EV_FEATURE_CODE |
1535 | # define inline_speed ecb_inline |
1558 | # define inline_speed ecb_inline |
1536 | #else |
1559 | #else |
1537 | # define inline_speed noinline static |
1560 | # define inline_speed ecb_noinline static |
1538 | #endif |
1561 | #endif |
1539 | |
1562 | |
1540 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1563 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1541 | |
1564 | |
1542 | #if EV_MINPRI == EV_MAXPRI |
1565 | #if EV_MINPRI == EV_MAXPRI |
1543 | # define ABSPRI(w) (((W)w), 0) |
1566 | # define ABSPRI(w) (((W)w), 0) |
1544 | #else |
1567 | #else |
1545 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1568 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1546 | #endif |
1569 | #endif |
1547 | |
1570 | |
1548 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1571 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1549 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1550 | |
1572 | |
1551 | typedef ev_watcher *W; |
1573 | typedef ev_watcher *W; |
1552 | typedef ev_watcher_list *WL; |
1574 | typedef ev_watcher_list *WL; |
1553 | typedef ev_watcher_time *WT; |
1575 | typedef ev_watcher_time *WT; |
1554 | |
1576 | |
… | |
… | |
1579 | # include "ev_win32.c" |
1601 | # include "ev_win32.c" |
1580 | #endif |
1602 | #endif |
1581 | |
1603 | |
1582 | /*****************************************************************************/ |
1604 | /*****************************************************************************/ |
1583 | |
1605 | |
|
|
1606 | #if EV_USE_LINUXAIO |
|
|
1607 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1608 | #endif |
|
|
1609 | |
1584 | /* define a suitable floor function (only used by periodics atm) */ |
1610 | /* define a suitable floor function (only used by periodics atm) */ |
1585 | |
1611 | |
1586 | #if EV_USE_FLOOR |
1612 | #if EV_USE_FLOOR |
1587 | # include <math.h> |
1613 | # include <math.h> |
1588 | # define ev_floor(v) floor (v) |
1614 | # define ev_floor(v) floor (v) |
1589 | #else |
1615 | #else |
1590 | |
1616 | |
1591 | #include <float.h> |
1617 | #include <float.h> |
1592 | |
1618 | |
1593 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1619 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1594 | noinline |
1620 | ecb_noinline |
1595 | static ev_tstamp |
1621 | static ev_tstamp |
1596 | ev_floor (ev_tstamp v) |
1622 | ev_floor (ev_tstamp v) |
1597 | { |
1623 | { |
1598 | /* the choice of shift factor is not terribly important */ |
1624 | /* the choice of shift factor is not terribly important */ |
1599 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1625 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
… | |
… | |
1601 | #else |
1627 | #else |
1602 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1628 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.; |
1603 | #endif |
1629 | #endif |
1604 | |
1630 | |
1605 | /* argument too large for an unsigned long? */ |
1631 | /* argument too large for an unsigned long? */ |
1606 | if (expect_false (v >= shift)) |
1632 | if (ecb_expect_false (v >= shift)) |
1607 | { |
1633 | { |
1608 | ev_tstamp f; |
1634 | ev_tstamp f; |
1609 | |
1635 | |
1610 | if (v == v - 1.) |
1636 | if (v == v - 1.) |
1611 | return v; /* very large number */ |
1637 | return v; /* very large number */ |
… | |
… | |
1613 | f = shift * ev_floor (v * (1. / shift)); |
1639 | f = shift * ev_floor (v * (1. / shift)); |
1614 | return f + ev_floor (v - f); |
1640 | return f + ev_floor (v - f); |
1615 | } |
1641 | } |
1616 | |
1642 | |
1617 | /* special treatment for negative args? */ |
1643 | /* special treatment for negative args? */ |
1618 | if (expect_false (v < 0.)) |
1644 | if (ecb_expect_false (v < 0.)) |
1619 | { |
1645 | { |
1620 | ev_tstamp f = -ev_floor (-v); |
1646 | ev_tstamp f = -ev_floor (-v); |
1621 | |
1647 | |
1622 | return f - (f == v ? 0 : 1); |
1648 | return f - (f == v ? 0 : 1); |
1623 | } |
1649 | } |
… | |
… | |
1632 | |
1658 | |
1633 | #ifdef __linux |
1659 | #ifdef __linux |
1634 | # include <sys/utsname.h> |
1660 | # include <sys/utsname.h> |
1635 | #endif |
1661 | #endif |
1636 | |
1662 | |
1637 | noinline ecb_cold |
1663 | ecb_noinline ecb_cold |
1638 | static unsigned int |
1664 | static unsigned int |
1639 | ev_linux_version (void) |
1665 | ev_linux_version (void) |
1640 | { |
1666 | { |
1641 | #ifdef __linux |
1667 | #ifdef __linux |
1642 | unsigned int v = 0; |
1668 | unsigned int v = 0; |
… | |
… | |
1672 | } |
1698 | } |
1673 | |
1699 | |
1674 | /*****************************************************************************/ |
1700 | /*****************************************************************************/ |
1675 | |
1701 | |
1676 | #if EV_AVOID_STDIO |
1702 | #if EV_AVOID_STDIO |
1677 | noinline ecb_cold |
1703 | ecb_noinline ecb_cold |
1678 | static void |
1704 | static void |
1679 | ev_printerr (const char *msg) |
1705 | ev_printerr (const char *msg) |
1680 | { |
1706 | { |
1681 | write (STDERR_FILENO, msg, strlen (msg)); |
1707 | write (STDERR_FILENO, msg, strlen (msg)); |
1682 | } |
1708 | } |
… | |
… | |
1689 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1715 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1690 | { |
1716 | { |
1691 | syserr_cb = cb; |
1717 | syserr_cb = cb; |
1692 | } |
1718 | } |
1693 | |
1719 | |
1694 | noinline ecb_cold |
1720 | ecb_noinline ecb_cold |
1695 | static void |
1721 | static void |
1696 | ev_syserr (const char *msg) |
1722 | ev_syserr (const char *msg) |
1697 | { |
1723 | { |
1698 | if (!msg) |
1724 | if (!msg) |
1699 | msg = "(libev) system error"; |
1725 | msg = "(libev) system error"; |
… | |
… | |
1770 | typedef struct |
1796 | typedef struct |
1771 | { |
1797 | { |
1772 | WL head; |
1798 | WL head; |
1773 | unsigned char events; /* the events watched for */ |
1799 | unsigned char events; /* the events watched for */ |
1774 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1800 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1775 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1801 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1776 | unsigned char unused; |
1802 | unsigned char unused; |
1777 | #if EV_USE_EPOLL |
1803 | #if EV_USE_EPOLL |
1778 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1804 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1779 | #endif |
1805 | #endif |
1780 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1806 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
… | |
… | |
1845 | static int ev_default_loop_ptr; |
1871 | static int ev_default_loop_ptr; |
1846 | |
1872 | |
1847 | #endif |
1873 | #endif |
1848 | |
1874 | |
1849 | #if EV_FEATURE_API |
1875 | #if EV_FEATURE_API |
1850 | # define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) |
1876 | # define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A) |
1851 | # define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) |
1877 | # define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A) |
1852 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1878 | # define EV_INVOKE_PENDING invoke_cb (EV_A) |
1853 | #else |
1879 | #else |
1854 | # define EV_RELEASE_CB (void)0 |
1880 | # define EV_RELEASE_CB (void)0 |
1855 | # define EV_ACQUIRE_CB (void)0 |
1881 | # define EV_ACQUIRE_CB (void)0 |
1856 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
1882 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
… | |
… | |
1863 | #ifndef EV_HAVE_EV_TIME |
1889 | #ifndef EV_HAVE_EV_TIME |
1864 | ev_tstamp |
1890 | ev_tstamp |
1865 | ev_time (void) EV_NOEXCEPT |
1891 | ev_time (void) EV_NOEXCEPT |
1866 | { |
1892 | { |
1867 | #if EV_USE_REALTIME |
1893 | #if EV_USE_REALTIME |
1868 | if (expect_true (have_realtime)) |
1894 | if (ecb_expect_true (have_realtime)) |
1869 | { |
1895 | { |
1870 | struct timespec ts; |
1896 | struct timespec ts; |
1871 | clock_gettime (CLOCK_REALTIME, &ts); |
1897 | clock_gettime (CLOCK_REALTIME, &ts); |
1872 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1898 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1873 | } |
1899 | } |
… | |
… | |
1881 | |
1907 | |
1882 | inline_size ev_tstamp |
1908 | inline_size ev_tstamp |
1883 | get_clock (void) |
1909 | get_clock (void) |
1884 | { |
1910 | { |
1885 | #if EV_USE_MONOTONIC |
1911 | #if EV_USE_MONOTONIC |
1886 | if (expect_true (have_monotonic)) |
1912 | if (ecb_expect_true (have_monotonic)) |
1887 | { |
1913 | { |
1888 | struct timespec ts; |
1914 | struct timespec ts; |
1889 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1915 | clock_gettime (CLOCK_MONOTONIC, &ts); |
1890 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1916 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
1891 | } |
1917 | } |
… | |
… | |
1953 | } |
1979 | } |
1954 | |
1980 | |
1955 | return ncur; |
1981 | return ncur; |
1956 | } |
1982 | } |
1957 | |
1983 | |
1958 | noinline ecb_cold |
1984 | ecb_noinline ecb_cold |
1959 | static void * |
1985 | static void * |
1960 | array_realloc (int elem, void *base, int *cur, int cnt) |
1986 | array_realloc (int elem, void *base, int *cur, int cnt) |
1961 | { |
1987 | { |
1962 | *cur = array_nextsize (elem, *cur, cnt); |
1988 | *cur = array_nextsize (elem, *cur, cnt); |
1963 | return ev_realloc (base, elem * *cur); |
1989 | return ev_realloc (base, elem * *cur); |
1964 | } |
1990 | } |
1965 | |
1991 | |
|
|
1992 | #define array_needsize_noinit(base,offset,count) |
|
|
1993 | |
1966 | #define array_init_zero(base,count) \ |
1994 | #define array_needsize_zerofill(base,offset,count) \ |
1967 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1995 | memset ((void *)(base + offset), 0, sizeof (*(base)) * (count)) |
1968 | |
1996 | |
1969 | #define array_needsize(type,base,cur,cnt,init) \ |
1997 | #define array_needsize(type,base,cur,cnt,init) \ |
1970 | if (expect_false ((cnt) > (cur))) \ |
1998 | if (ecb_expect_false ((cnt) > (cur))) \ |
1971 | { \ |
1999 | { \ |
1972 | ecb_unused int ocur_ = (cur); \ |
2000 | ecb_unused int ocur_ = (cur); \ |
1973 | (base) = (type *)array_realloc \ |
2001 | (base) = (type *)array_realloc \ |
1974 | (sizeof (type), (base), &(cur), (cnt)); \ |
2002 | (sizeof (type), (base), &(cur), (cnt)); \ |
1975 | init ((base) + (ocur_), (cur) - ocur_); \ |
2003 | init ((base), ocur_, ((cur) - ocur_)); \ |
1976 | } |
2004 | } |
1977 | |
2005 | |
1978 | #if 0 |
2006 | #if 0 |
1979 | #define array_slim(type,stem) \ |
2007 | #define array_slim(type,stem) \ |
1980 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
2008 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
… | |
… | |
1989 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2017 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1990 | |
2018 | |
1991 | /*****************************************************************************/ |
2019 | /*****************************************************************************/ |
1992 | |
2020 | |
1993 | /* dummy callback for pending events */ |
2021 | /* dummy callback for pending events */ |
1994 | noinline |
2022 | ecb_noinline |
1995 | static void |
2023 | static void |
1996 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2024 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1997 | { |
2025 | { |
1998 | } |
2026 | } |
1999 | |
2027 | |
2000 | noinline |
2028 | ecb_noinline |
2001 | void |
2029 | void |
2002 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2030 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
2003 | { |
2031 | { |
2004 | W w_ = (W)w; |
2032 | W w_ = (W)w; |
2005 | int pri = ABSPRI (w_); |
2033 | int pri = ABSPRI (w_); |
2006 | |
2034 | |
2007 | if (expect_false (w_->pending)) |
2035 | if (ecb_expect_false (w_->pending)) |
2008 | pendings [pri][w_->pending - 1].events |= revents; |
2036 | pendings [pri][w_->pending - 1].events |= revents; |
2009 | else |
2037 | else |
2010 | { |
2038 | { |
2011 | w_->pending = ++pendingcnt [pri]; |
2039 | w_->pending = ++pendingcnt [pri]; |
2012 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2040 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
2013 | pendings [pri][w_->pending - 1].w = w_; |
2041 | pendings [pri][w_->pending - 1].w = w_; |
2014 | pendings [pri][w_->pending - 1].events = revents; |
2042 | pendings [pri][w_->pending - 1].events = revents; |
2015 | } |
2043 | } |
2016 | |
2044 | |
2017 | pendingpri = NUMPRI - 1; |
2045 | pendingpri = NUMPRI - 1; |
2018 | } |
2046 | } |
2019 | |
2047 | |
2020 | inline_speed void |
2048 | inline_speed void |
2021 | feed_reverse (EV_P_ W w) |
2049 | feed_reverse (EV_P_ W w) |
2022 | { |
2050 | { |
2023 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2051 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
2024 | rfeeds [rfeedcnt++] = w; |
2052 | rfeeds [rfeedcnt++] = w; |
2025 | } |
2053 | } |
2026 | |
2054 | |
2027 | inline_size void |
2055 | inline_size void |
2028 | feed_reverse_done (EV_P_ int revents) |
2056 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
2063 | inline_speed void |
2091 | inline_speed void |
2064 | fd_event (EV_P_ int fd, int revents) |
2092 | fd_event (EV_P_ int fd, int revents) |
2065 | { |
2093 | { |
2066 | ANFD *anfd = anfds + fd; |
2094 | ANFD *anfd = anfds + fd; |
2067 | |
2095 | |
2068 | if (expect_true (!anfd->reify)) |
2096 | if (ecb_expect_true (!anfd->reify)) |
2069 | fd_event_nocheck (EV_A_ fd, revents); |
2097 | fd_event_nocheck (EV_A_ fd, revents); |
2070 | } |
2098 | } |
2071 | |
2099 | |
2072 | void |
2100 | void |
2073 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
2101 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
… | |
… | |
2115 | ev_io *w; |
2143 | ev_io *w; |
2116 | |
2144 | |
2117 | unsigned char o_events = anfd->events; |
2145 | unsigned char o_events = anfd->events; |
2118 | unsigned char o_reify = anfd->reify; |
2146 | unsigned char o_reify = anfd->reify; |
2119 | |
2147 | |
2120 | anfd->reify = 0; |
2148 | anfd->reify = 0; |
2121 | |
2149 | |
2122 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2150 | /*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
2123 | { |
2151 | { |
2124 | anfd->events = 0; |
2152 | anfd->events = 0; |
2125 | |
2153 | |
2126 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2154 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
2127 | anfd->events |= (unsigned char)w->events; |
2155 | anfd->events |= (unsigned char)w->events; |
… | |
… | |
2143 | fd_change (EV_P_ int fd, int flags) |
2171 | fd_change (EV_P_ int fd, int flags) |
2144 | { |
2172 | { |
2145 | unsigned char reify = anfds [fd].reify; |
2173 | unsigned char reify = anfds [fd].reify; |
2146 | anfds [fd].reify |= flags; |
2174 | anfds [fd].reify |= flags; |
2147 | |
2175 | |
2148 | if (expect_true (!reify)) |
2176 | if (ecb_expect_true (!reify)) |
2149 | { |
2177 | { |
2150 | ++fdchangecnt; |
2178 | ++fdchangecnt; |
2151 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2179 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
2152 | fdchanges [fdchangecnt - 1] = fd; |
2180 | fdchanges [fdchangecnt - 1] = fd; |
2153 | } |
2181 | } |
2154 | } |
2182 | } |
2155 | |
2183 | |
2156 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2184 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
… | |
… | |
2176 | return fcntl (fd, F_GETFD) != -1; |
2204 | return fcntl (fd, F_GETFD) != -1; |
2177 | #endif |
2205 | #endif |
2178 | } |
2206 | } |
2179 | |
2207 | |
2180 | /* called on EBADF to verify fds */ |
2208 | /* called on EBADF to verify fds */ |
2181 | noinline ecb_cold |
2209 | ecb_noinline ecb_cold |
2182 | static void |
2210 | static void |
2183 | fd_ebadf (EV_P) |
2211 | fd_ebadf (EV_P) |
2184 | { |
2212 | { |
2185 | int fd; |
2213 | int fd; |
2186 | |
2214 | |
… | |
… | |
2189 | if (!fd_valid (fd) && errno == EBADF) |
2217 | if (!fd_valid (fd) && errno == EBADF) |
2190 | fd_kill (EV_A_ fd); |
2218 | fd_kill (EV_A_ fd); |
2191 | } |
2219 | } |
2192 | |
2220 | |
2193 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2221 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2194 | noinline ecb_cold |
2222 | ecb_noinline ecb_cold |
2195 | static void |
2223 | static void |
2196 | fd_enomem (EV_P) |
2224 | fd_enomem (EV_P) |
2197 | { |
2225 | { |
2198 | int fd; |
2226 | int fd; |
2199 | |
2227 | |
… | |
… | |
2204 | break; |
2232 | break; |
2205 | } |
2233 | } |
2206 | } |
2234 | } |
2207 | |
2235 | |
2208 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2236 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2209 | noinline |
2237 | ecb_noinline |
2210 | static void |
2238 | static void |
2211 | fd_rearm_all (EV_P) |
2239 | fd_rearm_all (EV_P) |
2212 | { |
2240 | { |
2213 | int fd; |
2241 | int fd; |
2214 | |
2242 | |
… | |
… | |
2268 | ev_tstamp minat; |
2296 | ev_tstamp minat; |
2269 | ANHE *minpos; |
2297 | ANHE *minpos; |
2270 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2298 | ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1; |
2271 | |
2299 | |
2272 | /* find minimum child */ |
2300 | /* find minimum child */ |
2273 | if (expect_true (pos + DHEAP - 1 < E)) |
2301 | if (ecb_expect_true (pos + DHEAP - 1 < E)) |
2274 | { |
2302 | { |
2275 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2303 | /* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos)); |
2276 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2304 | if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos)); |
2277 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2305 | if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos)); |
2278 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
2306 | if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos)); |
… | |
… | |
2396 | |
2424 | |
2397 | /*****************************************************************************/ |
2425 | /*****************************************************************************/ |
2398 | |
2426 | |
2399 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2427 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2400 | |
2428 | |
2401 | noinline ecb_cold |
2429 | ecb_noinline ecb_cold |
2402 | static void |
2430 | static void |
2403 | evpipe_init (EV_P) |
2431 | evpipe_init (EV_P) |
2404 | { |
2432 | { |
2405 | if (!ev_is_active (&pipe_w)) |
2433 | if (!ev_is_active (&pipe_w)) |
2406 | { |
2434 | { |
… | |
… | |
2447 | inline_speed void |
2475 | inline_speed void |
2448 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2476 | evpipe_write (EV_P_ EV_ATOMIC_T *flag) |
2449 | { |
2477 | { |
2450 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2478 | ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */ |
2451 | |
2479 | |
2452 | if (expect_true (*flag)) |
2480 | if (ecb_expect_true (*flag)) |
2453 | return; |
2481 | return; |
2454 | |
2482 | |
2455 | *flag = 1; |
2483 | *flag = 1; |
2456 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2484 | ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ |
2457 | |
2485 | |
… | |
… | |
2534 | sig_pending = 0; |
2562 | sig_pending = 0; |
2535 | |
2563 | |
2536 | ECB_MEMORY_FENCE; |
2564 | ECB_MEMORY_FENCE; |
2537 | |
2565 | |
2538 | for (i = EV_NSIG - 1; i--; ) |
2566 | for (i = EV_NSIG - 1; i--; ) |
2539 | if (expect_false (signals [i].pending)) |
2567 | if (ecb_expect_false (signals [i].pending)) |
2540 | ev_feed_signal_event (EV_A_ i + 1); |
2568 | ev_feed_signal_event (EV_A_ i + 1); |
2541 | } |
2569 | } |
2542 | #endif |
2570 | #endif |
2543 | |
2571 | |
2544 | #if EV_ASYNC_ENABLE |
2572 | #if EV_ASYNC_ENABLE |
… | |
… | |
2585 | #endif |
2613 | #endif |
2586 | |
2614 | |
2587 | ev_feed_signal (signum); |
2615 | ev_feed_signal (signum); |
2588 | } |
2616 | } |
2589 | |
2617 | |
2590 | noinline |
2618 | ecb_noinline |
2591 | void |
2619 | void |
2592 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2620 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2593 | { |
2621 | { |
2594 | WL w; |
2622 | WL w; |
2595 | |
2623 | |
2596 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2624 | if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG)) |
2597 | return; |
2625 | return; |
2598 | |
2626 | |
2599 | --signum; |
2627 | --signum; |
2600 | |
2628 | |
2601 | #if EV_MULTIPLICITY |
2629 | #if EV_MULTIPLICITY |
2602 | /* it is permissible to try to feed a signal to the wrong loop */ |
2630 | /* it is permissible to try to feed a signal to the wrong loop */ |
2603 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2631 | /* or, likely more useful, feeding a signal nobody is waiting for */ |
2604 | |
2632 | |
2605 | if (expect_false (signals [signum].loop != EV_A)) |
2633 | if (ecb_expect_false (signals [signum].loop != EV_A)) |
2606 | return; |
2634 | return; |
2607 | #endif |
2635 | #endif |
2608 | |
2636 | |
2609 | signals [signum].pending = 0; |
2637 | signals [signum].pending = 0; |
2610 | ECB_MEMORY_FENCE_RELEASE; |
2638 | ECB_MEMORY_FENCE_RELEASE; |
… | |
… | |
2706 | # include "ev_kqueue.c" |
2734 | # include "ev_kqueue.c" |
2707 | #endif |
2735 | #endif |
2708 | #if EV_USE_EPOLL |
2736 | #if EV_USE_EPOLL |
2709 | # include "ev_epoll.c" |
2737 | # include "ev_epoll.c" |
2710 | #endif |
2738 | #endif |
|
|
2739 | #if EV_USE_LINUXAIO |
|
|
2740 | # include "ev_linuxaio.c" |
|
|
2741 | #endif |
2711 | #if EV_USE_POLL |
2742 | #if EV_USE_POLL |
2712 | # include "ev_poll.c" |
2743 | # include "ev_poll.c" |
2713 | #endif |
2744 | #endif |
2714 | #if EV_USE_SELECT |
2745 | #if EV_USE_SELECT |
2715 | # include "ev_select.c" |
2746 | # include "ev_select.c" |
… | |
… | |
2743 | unsigned int |
2774 | unsigned int |
2744 | ev_supported_backends (void) EV_NOEXCEPT |
2775 | ev_supported_backends (void) EV_NOEXCEPT |
2745 | { |
2776 | { |
2746 | unsigned int flags = 0; |
2777 | unsigned int flags = 0; |
2747 | |
2778 | |
2748 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2779 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2749 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2780 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2750 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2781 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2782 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2751 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2783 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2752 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2784 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2753 | |
2785 | |
2754 | return flags; |
2786 | return flags; |
2755 | } |
2787 | } |
2756 | |
2788 | |
2757 | ecb_cold |
2789 | ecb_cold |
… | |
… | |
2772 | #endif |
2804 | #endif |
2773 | #ifdef __FreeBSD__ |
2805 | #ifdef __FreeBSD__ |
2774 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2806 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2775 | #endif |
2807 | #endif |
2776 | |
2808 | |
|
|
2809 | /* TODO: linuxaio is very experimental */ |
|
|
2810 | #if !EV_RECOMMEND_LINUXAIO |
|
|
2811 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2812 | #endif |
|
|
2813 | |
2777 | return flags; |
2814 | return flags; |
2778 | } |
2815 | } |
2779 | |
2816 | |
2780 | ecb_cold |
2817 | ecb_cold |
2781 | unsigned int |
2818 | unsigned int |
… | |
… | |
2846 | acquire_cb = acquire; |
2883 | acquire_cb = acquire; |
2847 | } |
2884 | } |
2848 | #endif |
2885 | #endif |
2849 | |
2886 | |
2850 | /* initialise a loop structure, must be zero-initialised */ |
2887 | /* initialise a loop structure, must be zero-initialised */ |
2851 | noinline ecb_cold |
2888 | ecb_noinline ecb_cold |
2852 | static void |
2889 | static void |
2853 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2890 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2854 | { |
2891 | { |
2855 | if (!backend) |
2892 | if (!backend) |
2856 | { |
2893 | { |
… | |
… | |
2916 | |
2953 | |
2917 | if (!(flags & EVBACKEND_MASK)) |
2954 | if (!(flags & EVBACKEND_MASK)) |
2918 | flags |= ev_recommended_backends (); |
2955 | flags |= ev_recommended_backends (); |
2919 | |
2956 | |
2920 | #if EV_USE_IOCP |
2957 | #if EV_USE_IOCP |
2921 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2958 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2922 | #endif |
2959 | #endif |
2923 | #if EV_USE_PORT |
2960 | #if EV_USE_PORT |
2924 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2961 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2925 | #endif |
2962 | #endif |
2926 | #if EV_USE_KQUEUE |
2963 | #if EV_USE_KQUEUE |
2927 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2964 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
2965 | #endif |
|
|
2966 | #if EV_USE_LINUXAIO |
|
|
2967 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2928 | #endif |
2968 | #endif |
2929 | #if EV_USE_EPOLL |
2969 | #if EV_USE_EPOLL |
2930 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2970 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2931 | #endif |
2971 | #endif |
2932 | #if EV_USE_POLL |
2972 | #if EV_USE_POLL |
2933 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2973 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2934 | #endif |
2974 | #endif |
2935 | #if EV_USE_SELECT |
2975 | #if EV_USE_SELECT |
2936 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2976 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2937 | #endif |
2977 | #endif |
2938 | |
2978 | |
2939 | ev_prepare_init (&pending_w, pendingcb); |
2979 | ev_prepare_init (&pending_w, pendingcb); |
2940 | |
2980 | |
2941 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2981 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2958 | return; |
2998 | return; |
2959 | #endif |
2999 | #endif |
2960 | |
3000 | |
2961 | #if EV_CLEANUP_ENABLE |
3001 | #if EV_CLEANUP_ENABLE |
2962 | /* queue cleanup watchers (and execute them) */ |
3002 | /* queue cleanup watchers (and execute them) */ |
2963 | if (expect_false (cleanupcnt)) |
3003 | if (ecb_expect_false (cleanupcnt)) |
2964 | { |
3004 | { |
2965 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
3005 | queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP); |
2966 | EV_INVOKE_PENDING; |
3006 | EV_INVOKE_PENDING; |
2967 | } |
3007 | } |
2968 | #endif |
3008 | #endif |
… | |
… | |
2996 | |
3036 | |
2997 | if (backend_fd >= 0) |
3037 | if (backend_fd >= 0) |
2998 | close (backend_fd); |
3038 | close (backend_fd); |
2999 | |
3039 | |
3000 | #if EV_USE_IOCP |
3040 | #if EV_USE_IOCP |
3001 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3041 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3002 | #endif |
3042 | #endif |
3003 | #if EV_USE_PORT |
3043 | #if EV_USE_PORT |
3004 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3044 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3005 | #endif |
3045 | #endif |
3006 | #if EV_USE_KQUEUE |
3046 | #if EV_USE_KQUEUE |
3007 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3047 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3048 | #endif |
|
|
3049 | #if EV_USE_LINUXAIO |
|
|
3050 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
3008 | #endif |
3051 | #endif |
3009 | #if EV_USE_EPOLL |
3052 | #if EV_USE_EPOLL |
3010 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3053 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3011 | #endif |
3054 | #endif |
3012 | #if EV_USE_POLL |
3055 | #if EV_USE_POLL |
3013 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3056 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3014 | #endif |
3057 | #endif |
3015 | #if EV_USE_SELECT |
3058 | #if EV_USE_SELECT |
3016 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3059 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
3017 | #endif |
3060 | #endif |
3018 | |
3061 | |
3019 | for (i = NUMPRI; i--; ) |
3062 | for (i = NUMPRI; i--; ) |
3020 | { |
3063 | { |
3021 | array_free (pending, [i]); |
3064 | array_free (pending, [i]); |
… | |
… | |
3063 | |
3106 | |
3064 | inline_size void |
3107 | inline_size void |
3065 | loop_fork (EV_P) |
3108 | loop_fork (EV_P) |
3066 | { |
3109 | { |
3067 | #if EV_USE_PORT |
3110 | #if EV_USE_PORT |
3068 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3111 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3069 | #endif |
3112 | #endif |
3070 | #if EV_USE_KQUEUE |
3113 | #if EV_USE_KQUEUE |
3071 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3114 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3115 | #endif |
|
|
3116 | #if EV_USE_LINUXAIO |
|
|
3117 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
3072 | #endif |
3118 | #endif |
3073 | #if EV_USE_EPOLL |
3119 | #if EV_USE_EPOLL |
3074 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3120 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3075 | #endif |
3121 | #endif |
3076 | #if EV_USE_INOTIFY |
3122 | #if EV_USE_INOTIFY |
3077 | infy_fork (EV_A); |
3123 | infy_fork (EV_A); |
3078 | #endif |
3124 | #endif |
3079 | |
3125 | |
… | |
… | |
3116 | } |
3162 | } |
3117 | |
3163 | |
3118 | #endif /* multiplicity */ |
3164 | #endif /* multiplicity */ |
3119 | |
3165 | |
3120 | #if EV_VERIFY |
3166 | #if EV_VERIFY |
3121 | noinline ecb_cold |
3167 | ecb_noinline ecb_cold |
3122 | static void |
3168 | static void |
3123 | verify_watcher (EV_P_ W w) |
3169 | verify_watcher (EV_P_ W w) |
3124 | { |
3170 | { |
3125 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3171 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3126 | |
3172 | |
3127 | if (w->pending) |
3173 | if (w->pending) |
3128 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3174 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3129 | } |
3175 | } |
3130 | |
3176 | |
3131 | noinline ecb_cold |
3177 | ecb_noinline ecb_cold |
3132 | static void |
3178 | static void |
3133 | verify_heap (EV_P_ ANHE *heap, int N) |
3179 | verify_heap (EV_P_ ANHE *heap, int N) |
3134 | { |
3180 | { |
3135 | int i; |
3181 | int i; |
3136 | |
3182 | |
… | |
… | |
3142 | |
3188 | |
3143 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3189 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3144 | } |
3190 | } |
3145 | } |
3191 | } |
3146 | |
3192 | |
3147 | noinline ecb_cold |
3193 | ecb_noinline ecb_cold |
3148 | static void |
3194 | static void |
3149 | array_verify (EV_P_ W *ws, int cnt) |
3195 | array_verify (EV_P_ W *ws, int cnt) |
3150 | { |
3196 | { |
3151 | while (cnt--) |
3197 | while (cnt--) |
3152 | { |
3198 | { |
… | |
… | |
3301 | count += pendingcnt [pri]; |
3347 | count += pendingcnt [pri]; |
3302 | |
3348 | |
3303 | return count; |
3349 | return count; |
3304 | } |
3350 | } |
3305 | |
3351 | |
3306 | noinline |
3352 | ecb_noinline |
3307 | void |
3353 | void |
3308 | ev_invoke_pending (EV_P) |
3354 | ev_invoke_pending (EV_P) |
3309 | { |
3355 | { |
3310 | pendingpri = NUMPRI; |
3356 | pendingpri = NUMPRI; |
3311 | |
3357 | |
… | |
… | |
3330 | /* make idle watchers pending. this handles the "call-idle */ |
3376 | /* make idle watchers pending. this handles the "call-idle */ |
3331 | /* only when higher priorities are idle" logic */ |
3377 | /* only when higher priorities are idle" logic */ |
3332 | inline_size void |
3378 | inline_size void |
3333 | idle_reify (EV_P) |
3379 | idle_reify (EV_P) |
3334 | { |
3380 | { |
3335 | if (expect_false (idleall)) |
3381 | if (ecb_expect_false (idleall)) |
3336 | { |
3382 | { |
3337 | int pri; |
3383 | int pri; |
3338 | |
3384 | |
3339 | for (pri = NUMPRI; pri--; ) |
3385 | for (pri = NUMPRI; pri--; ) |
3340 | { |
3386 | { |
… | |
… | |
3389 | } |
3435 | } |
3390 | } |
3436 | } |
3391 | |
3437 | |
3392 | #if EV_PERIODIC_ENABLE |
3438 | #if EV_PERIODIC_ENABLE |
3393 | |
3439 | |
3394 | noinline |
3440 | ecb_noinline |
3395 | static void |
3441 | static void |
3396 | periodic_recalc (EV_P_ ev_periodic *w) |
3442 | periodic_recalc (EV_P_ ev_periodic *w) |
3397 | { |
3443 | { |
3398 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3444 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3399 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3445 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
… | |
… | |
3402 | while (at <= ev_rt_now) |
3448 | while (at <= ev_rt_now) |
3403 | { |
3449 | { |
3404 | ev_tstamp nat = at + w->interval; |
3450 | ev_tstamp nat = at + w->interval; |
3405 | |
3451 | |
3406 | /* when resolution fails us, we use ev_rt_now */ |
3452 | /* when resolution fails us, we use ev_rt_now */ |
3407 | if (expect_false (nat == at)) |
3453 | if (ecb_expect_false (nat == at)) |
3408 | { |
3454 | { |
3409 | at = ev_rt_now; |
3455 | at = ev_rt_now; |
3410 | break; |
3456 | break; |
3411 | } |
3457 | } |
3412 | |
3458 | |
… | |
… | |
3458 | } |
3504 | } |
3459 | } |
3505 | } |
3460 | |
3506 | |
3461 | /* simply recalculate all periodics */ |
3507 | /* simply recalculate all periodics */ |
3462 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3508 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3463 | noinline ecb_cold |
3509 | ecb_noinline ecb_cold |
3464 | static void |
3510 | static void |
3465 | periodics_reschedule (EV_P) |
3511 | periodics_reschedule (EV_P) |
3466 | { |
3512 | { |
3467 | int i; |
3513 | int i; |
3468 | |
3514 | |
… | |
… | |
3482 | reheap (periodics, periodiccnt); |
3528 | reheap (periodics, periodiccnt); |
3483 | } |
3529 | } |
3484 | #endif |
3530 | #endif |
3485 | |
3531 | |
3486 | /* adjust all timers by a given offset */ |
3532 | /* adjust all timers by a given offset */ |
3487 | noinline ecb_cold |
3533 | ecb_noinline ecb_cold |
3488 | static void |
3534 | static void |
3489 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3535 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3490 | { |
3536 | { |
3491 | int i; |
3537 | int i; |
3492 | |
3538 | |
… | |
… | |
3502 | /* also detect if there was a timejump, and act accordingly */ |
3548 | /* also detect if there was a timejump, and act accordingly */ |
3503 | inline_speed void |
3549 | inline_speed void |
3504 | time_update (EV_P_ ev_tstamp max_block) |
3550 | time_update (EV_P_ ev_tstamp max_block) |
3505 | { |
3551 | { |
3506 | #if EV_USE_MONOTONIC |
3552 | #if EV_USE_MONOTONIC |
3507 | if (expect_true (have_monotonic)) |
3553 | if (ecb_expect_true (have_monotonic)) |
3508 | { |
3554 | { |
3509 | int i; |
3555 | int i; |
3510 | ev_tstamp odiff = rtmn_diff; |
3556 | ev_tstamp odiff = rtmn_diff; |
3511 | |
3557 | |
3512 | mn_now = get_clock (); |
3558 | mn_now = get_clock (); |
3513 | |
3559 | |
3514 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3560 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
3515 | /* interpolate in the meantime */ |
3561 | /* interpolate in the meantime */ |
3516 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3562 | if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
3517 | { |
3563 | { |
3518 | ev_rt_now = rtmn_diff + mn_now; |
3564 | ev_rt_now = rtmn_diff + mn_now; |
3519 | return; |
3565 | return; |
3520 | } |
3566 | } |
3521 | |
3567 | |
… | |
… | |
3535 | ev_tstamp diff; |
3581 | ev_tstamp diff; |
3536 | rtmn_diff = ev_rt_now - mn_now; |
3582 | rtmn_diff = ev_rt_now - mn_now; |
3537 | |
3583 | |
3538 | diff = odiff - rtmn_diff; |
3584 | diff = odiff - rtmn_diff; |
3539 | |
3585 | |
3540 | if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3586 | if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP)) |
3541 | return; /* all is well */ |
3587 | return; /* all is well */ |
3542 | |
3588 | |
3543 | ev_rt_now = ev_time (); |
3589 | ev_rt_now = ev_time (); |
3544 | mn_now = get_clock (); |
3590 | mn_now = get_clock (); |
3545 | now_floor = mn_now; |
3591 | now_floor = mn_now; |
… | |
… | |
3554 | else |
3600 | else |
3555 | #endif |
3601 | #endif |
3556 | { |
3602 | { |
3557 | ev_rt_now = ev_time (); |
3603 | ev_rt_now = ev_time (); |
3558 | |
3604 | |
3559 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3605 | if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
3560 | { |
3606 | { |
3561 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3607 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
3562 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3608 | timers_reschedule (EV_A_ ev_rt_now - mn_now); |
3563 | #if EV_PERIODIC_ENABLE |
3609 | #if EV_PERIODIC_ENABLE |
3564 | periodics_reschedule (EV_A); |
3610 | periodics_reschedule (EV_A); |
… | |
… | |
3587 | #if EV_VERIFY >= 2 |
3633 | #if EV_VERIFY >= 2 |
3588 | ev_verify (EV_A); |
3634 | ev_verify (EV_A); |
3589 | #endif |
3635 | #endif |
3590 | |
3636 | |
3591 | #ifndef _WIN32 |
3637 | #ifndef _WIN32 |
3592 | if (expect_false (curpid)) /* penalise the forking check even more */ |
3638 | if (ecb_expect_false (curpid)) /* penalise the forking check even more */ |
3593 | if (expect_false (getpid () != curpid)) |
3639 | if (ecb_expect_false (getpid () != curpid)) |
3594 | { |
3640 | { |
3595 | curpid = getpid (); |
3641 | curpid = getpid (); |
3596 | postfork = 1; |
3642 | postfork = 1; |
3597 | } |
3643 | } |
3598 | #endif |
3644 | #endif |
3599 | |
3645 | |
3600 | #if EV_FORK_ENABLE |
3646 | #if EV_FORK_ENABLE |
3601 | /* we might have forked, so queue fork handlers */ |
3647 | /* we might have forked, so queue fork handlers */ |
3602 | if (expect_false (postfork)) |
3648 | if (ecb_expect_false (postfork)) |
3603 | if (forkcnt) |
3649 | if (forkcnt) |
3604 | { |
3650 | { |
3605 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3651 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
3606 | EV_INVOKE_PENDING; |
3652 | EV_INVOKE_PENDING; |
3607 | } |
3653 | } |
3608 | #endif |
3654 | #endif |
3609 | |
3655 | |
3610 | #if EV_PREPARE_ENABLE |
3656 | #if EV_PREPARE_ENABLE |
3611 | /* queue prepare watchers (and execute them) */ |
3657 | /* queue prepare watchers (and execute them) */ |
3612 | if (expect_false (preparecnt)) |
3658 | if (ecb_expect_false (preparecnt)) |
3613 | { |
3659 | { |
3614 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3660 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
3615 | EV_INVOKE_PENDING; |
3661 | EV_INVOKE_PENDING; |
3616 | } |
3662 | } |
3617 | #endif |
3663 | #endif |
3618 | |
3664 | |
3619 | if (expect_false (loop_done)) |
3665 | if (ecb_expect_false (loop_done)) |
3620 | break; |
3666 | break; |
3621 | |
3667 | |
3622 | /* we might have forked, so reify kernel state if necessary */ |
3668 | /* we might have forked, so reify kernel state if necessary */ |
3623 | if (expect_false (postfork)) |
3669 | if (ecb_expect_false (postfork)) |
3624 | loop_fork (EV_A); |
3670 | loop_fork (EV_A); |
3625 | |
3671 | |
3626 | /* update fd-related kernel structures */ |
3672 | /* update fd-related kernel structures */ |
3627 | fd_reify (EV_A); |
3673 | fd_reify (EV_A); |
3628 | |
3674 | |
… | |
… | |
3640 | /* from now on, we want a pipe-wake-up */ |
3686 | /* from now on, we want a pipe-wake-up */ |
3641 | pipe_write_wanted = 1; |
3687 | pipe_write_wanted = 1; |
3642 | |
3688 | |
3643 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3689 | ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */ |
3644 | |
3690 | |
3645 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3691 | if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) |
3646 | { |
3692 | { |
3647 | waittime = MAX_BLOCKTIME; |
3693 | waittime = MAX_BLOCKTIME; |
3648 | |
3694 | |
3649 | if (timercnt) |
3695 | if (timercnt) |
3650 | { |
3696 | { |
… | |
… | |
3659 | if (waittime > to) waittime = to; |
3705 | if (waittime > to) waittime = to; |
3660 | } |
3706 | } |
3661 | #endif |
3707 | #endif |
3662 | |
3708 | |
3663 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3709 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
3664 | if (expect_false (waittime < timeout_blocktime)) |
3710 | if (ecb_expect_false (waittime < timeout_blocktime)) |
3665 | waittime = timeout_blocktime; |
3711 | waittime = timeout_blocktime; |
3666 | |
3712 | |
3667 | /* at this point, we NEED to wait, so we have to ensure */ |
3713 | /* at this point, we NEED to wait, so we have to ensure */ |
3668 | /* to pass a minimum nonzero value to the backend */ |
3714 | /* to pass a minimum nonzero value to the backend */ |
3669 | if (expect_false (waittime < backend_mintime)) |
3715 | if (ecb_expect_false (waittime < backend_mintime)) |
3670 | waittime = backend_mintime; |
3716 | waittime = backend_mintime; |
3671 | |
3717 | |
3672 | /* extra check because io_blocktime is commonly 0 */ |
3718 | /* extra check because io_blocktime is commonly 0 */ |
3673 | if (expect_false (io_blocktime)) |
3719 | if (ecb_expect_false (io_blocktime)) |
3674 | { |
3720 | { |
3675 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3721 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
3676 | |
3722 | |
3677 | if (sleeptime > waittime - backend_mintime) |
3723 | if (sleeptime > waittime - backend_mintime) |
3678 | sleeptime = waittime - backend_mintime; |
3724 | sleeptime = waittime - backend_mintime; |
3679 | |
3725 | |
3680 | if (expect_true (sleeptime > 0.)) |
3726 | if (ecb_expect_true (sleeptime > 0.)) |
3681 | { |
3727 | { |
3682 | ev_sleep (sleeptime); |
3728 | ev_sleep (sleeptime); |
3683 | waittime -= sleeptime; |
3729 | waittime -= sleeptime; |
3684 | } |
3730 | } |
3685 | } |
3731 | } |
… | |
… | |
3699 | { |
3745 | { |
3700 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3746 | assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); |
3701 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3747 | ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); |
3702 | } |
3748 | } |
3703 | |
3749 | |
3704 | |
|
|
3705 | /* update ev_rt_now, do magic */ |
3750 | /* update ev_rt_now, do magic */ |
3706 | time_update (EV_A_ waittime + sleeptime); |
3751 | time_update (EV_A_ waittime + sleeptime); |
3707 | } |
3752 | } |
3708 | |
3753 | |
3709 | /* queue pending timers and reschedule them */ |
3754 | /* queue pending timers and reschedule them */ |
… | |
… | |
3717 | idle_reify (EV_A); |
3762 | idle_reify (EV_A); |
3718 | #endif |
3763 | #endif |
3719 | |
3764 | |
3720 | #if EV_CHECK_ENABLE |
3765 | #if EV_CHECK_ENABLE |
3721 | /* queue check watchers, to be executed first */ |
3766 | /* queue check watchers, to be executed first */ |
3722 | if (expect_false (checkcnt)) |
3767 | if (ecb_expect_false (checkcnt)) |
3723 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3768 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
3724 | #endif |
3769 | #endif |
3725 | |
3770 | |
3726 | EV_INVOKE_PENDING; |
3771 | EV_INVOKE_PENDING; |
3727 | } |
3772 | } |
3728 | while (expect_true ( |
3773 | while (ecb_expect_true ( |
3729 | activecnt |
3774 | activecnt |
3730 | && !loop_done |
3775 | && !loop_done |
3731 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3776 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
3732 | )); |
3777 | )); |
3733 | |
3778 | |
… | |
… | |
3797 | inline_size void |
3842 | inline_size void |
3798 | wlist_del (WL *head, WL elem) |
3843 | wlist_del (WL *head, WL elem) |
3799 | { |
3844 | { |
3800 | while (*head) |
3845 | while (*head) |
3801 | { |
3846 | { |
3802 | if (expect_true (*head == elem)) |
3847 | if (ecb_expect_true (*head == elem)) |
3803 | { |
3848 | { |
3804 | *head = elem->next; |
3849 | *head = elem->next; |
3805 | break; |
3850 | break; |
3806 | } |
3851 | } |
3807 | |
3852 | |
… | |
… | |
3824 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3869 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3825 | { |
3870 | { |
3826 | W w_ = (W)w; |
3871 | W w_ = (W)w; |
3827 | int pending = w_->pending; |
3872 | int pending = w_->pending; |
3828 | |
3873 | |
3829 | if (expect_true (pending)) |
3874 | if (ecb_expect_true (pending)) |
3830 | { |
3875 | { |
3831 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3876 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
3832 | p->w = (W)&pending_w; |
3877 | p->w = (W)&pending_w; |
3833 | w_->pending = 0; |
3878 | w_->pending = 0; |
3834 | return p->events; |
3879 | return p->events; |
… | |
… | |
3861 | w->active = 0; |
3906 | w->active = 0; |
3862 | } |
3907 | } |
3863 | |
3908 | |
3864 | /*****************************************************************************/ |
3909 | /*****************************************************************************/ |
3865 | |
3910 | |
3866 | noinline |
3911 | ecb_noinline |
3867 | void |
3912 | void |
3868 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3913 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3869 | { |
3914 | { |
3870 | int fd = w->fd; |
3915 | int fd = w->fd; |
3871 | |
3916 | |
3872 | if (expect_false (ev_is_active (w))) |
3917 | if (ecb_expect_false (ev_is_active (w))) |
3873 | return; |
3918 | return; |
3874 | |
3919 | |
3875 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3920 | assert (("libev: ev_io_start called with negative fd", fd >= 0)); |
3876 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3921 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3877 | |
3922 | |
|
|
3923 | #if EV_VERIFY >= 2 |
|
|
3924 | assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd))); |
|
|
3925 | #endif |
3878 | EV_FREQUENT_CHECK; |
3926 | EV_FREQUENT_CHECK; |
3879 | |
3927 | |
3880 | ev_start (EV_A_ (W)w, 1); |
3928 | ev_start (EV_A_ (W)w, 1); |
3881 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3929 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3882 | wlist_add (&anfds[fd].head, (WL)w); |
3930 | wlist_add (&anfds[fd].head, (WL)w); |
3883 | |
3931 | |
3884 | /* common bug, apparently */ |
3932 | /* common bug, apparently */ |
3885 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3933 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3886 | |
3934 | |
… | |
… | |
3888 | w->events &= ~EV__IOFDSET; |
3936 | w->events &= ~EV__IOFDSET; |
3889 | |
3937 | |
3890 | EV_FREQUENT_CHECK; |
3938 | EV_FREQUENT_CHECK; |
3891 | } |
3939 | } |
3892 | |
3940 | |
3893 | noinline |
3941 | ecb_noinline |
3894 | void |
3942 | void |
3895 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3943 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3896 | { |
3944 | { |
3897 | clear_pending (EV_A_ (W)w); |
3945 | clear_pending (EV_A_ (W)w); |
3898 | if (expect_false (!ev_is_active (w))) |
3946 | if (ecb_expect_false (!ev_is_active (w))) |
3899 | return; |
3947 | return; |
3900 | |
3948 | |
3901 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3949 | assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
3902 | |
3950 | |
|
|
3951 | #if EV_VERIFY >= 2 |
|
|
3952 | assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd))); |
|
|
3953 | #endif |
3903 | EV_FREQUENT_CHECK; |
3954 | EV_FREQUENT_CHECK; |
3904 | |
3955 | |
3905 | wlist_del (&anfds[w->fd].head, (WL)w); |
3956 | wlist_del (&anfds[w->fd].head, (WL)w); |
3906 | ev_stop (EV_A_ (W)w); |
3957 | ev_stop (EV_A_ (W)w); |
3907 | |
3958 | |
3908 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3959 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3909 | |
3960 | |
3910 | EV_FREQUENT_CHECK; |
3961 | EV_FREQUENT_CHECK; |
3911 | } |
3962 | } |
3912 | |
3963 | |
3913 | noinline |
3964 | ecb_noinline |
3914 | void |
3965 | void |
3915 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3966 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3916 | { |
3967 | { |
3917 | if (expect_false (ev_is_active (w))) |
3968 | if (ecb_expect_false (ev_is_active (w))) |
3918 | return; |
3969 | return; |
3919 | |
3970 | |
3920 | ev_at (w) += mn_now; |
3971 | ev_at (w) += mn_now; |
3921 | |
3972 | |
3922 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3973 | assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
3923 | |
3974 | |
3924 | EV_FREQUENT_CHECK; |
3975 | EV_FREQUENT_CHECK; |
3925 | |
3976 | |
3926 | ++timercnt; |
3977 | ++timercnt; |
3927 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3978 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3928 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
3979 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3929 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3980 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3930 | ANHE_at_cache (timers [ev_active (w)]); |
3981 | ANHE_at_cache (timers [ev_active (w)]); |
3931 | upheap (timers, ev_active (w)); |
3982 | upheap (timers, ev_active (w)); |
3932 | |
3983 | |
3933 | EV_FREQUENT_CHECK; |
3984 | EV_FREQUENT_CHECK; |
3934 | |
3985 | |
3935 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3986 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3936 | } |
3987 | } |
3937 | |
3988 | |
3938 | noinline |
3989 | ecb_noinline |
3939 | void |
3990 | void |
3940 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3991 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3941 | { |
3992 | { |
3942 | clear_pending (EV_A_ (W)w); |
3993 | clear_pending (EV_A_ (W)w); |
3943 | if (expect_false (!ev_is_active (w))) |
3994 | if (ecb_expect_false (!ev_is_active (w))) |
3944 | return; |
3995 | return; |
3945 | |
3996 | |
3946 | EV_FREQUENT_CHECK; |
3997 | EV_FREQUENT_CHECK; |
3947 | |
3998 | |
3948 | { |
3999 | { |
… | |
… | |
3950 | |
4001 | |
3951 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
4002 | assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w)); |
3952 | |
4003 | |
3953 | --timercnt; |
4004 | --timercnt; |
3954 | |
4005 | |
3955 | if (expect_true (active < timercnt + HEAP0)) |
4006 | if (ecb_expect_true (active < timercnt + HEAP0)) |
3956 | { |
4007 | { |
3957 | timers [active] = timers [timercnt + HEAP0]; |
4008 | timers [active] = timers [timercnt + HEAP0]; |
3958 | adjustheap (timers, timercnt, active); |
4009 | adjustheap (timers, timercnt, active); |
3959 | } |
4010 | } |
3960 | } |
4011 | } |
… | |
… | |
3964 | ev_stop (EV_A_ (W)w); |
4015 | ev_stop (EV_A_ (W)w); |
3965 | |
4016 | |
3966 | EV_FREQUENT_CHECK; |
4017 | EV_FREQUENT_CHECK; |
3967 | } |
4018 | } |
3968 | |
4019 | |
3969 | noinline |
4020 | ecb_noinline |
3970 | void |
4021 | void |
3971 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
4022 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3972 | { |
4023 | { |
3973 | EV_FREQUENT_CHECK; |
4024 | EV_FREQUENT_CHECK; |
3974 | |
4025 | |
… | |
… | |
3999 | { |
4050 | { |
4000 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4051 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4001 | } |
4052 | } |
4002 | |
4053 | |
4003 | #if EV_PERIODIC_ENABLE |
4054 | #if EV_PERIODIC_ENABLE |
4004 | noinline |
4055 | ecb_noinline |
4005 | void |
4056 | void |
4006 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4057 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4007 | { |
4058 | { |
4008 | if (expect_false (ev_is_active (w))) |
4059 | if (ecb_expect_false (ev_is_active (w))) |
4009 | return; |
4060 | return; |
4010 | |
4061 | |
4011 | if (w->reschedule_cb) |
4062 | if (w->reschedule_cb) |
4012 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4063 | ev_at (w) = w->reschedule_cb (w, ev_rt_now); |
4013 | else if (w->interval) |
4064 | else if (w->interval) |
… | |
… | |
4020 | |
4071 | |
4021 | EV_FREQUENT_CHECK; |
4072 | EV_FREQUENT_CHECK; |
4022 | |
4073 | |
4023 | ++periodiccnt; |
4074 | ++periodiccnt; |
4024 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4075 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4025 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4076 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
4026 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4077 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4027 | ANHE_at_cache (periodics [ev_active (w)]); |
4078 | ANHE_at_cache (periodics [ev_active (w)]); |
4028 | upheap (periodics, ev_active (w)); |
4079 | upheap (periodics, ev_active (w)); |
4029 | |
4080 | |
4030 | EV_FREQUENT_CHECK; |
4081 | EV_FREQUENT_CHECK; |
4031 | |
4082 | |
4032 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4083 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4033 | } |
4084 | } |
4034 | |
4085 | |
4035 | noinline |
4086 | ecb_noinline |
4036 | void |
4087 | void |
4037 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4088 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4038 | { |
4089 | { |
4039 | clear_pending (EV_A_ (W)w); |
4090 | clear_pending (EV_A_ (W)w); |
4040 | if (expect_false (!ev_is_active (w))) |
4091 | if (ecb_expect_false (!ev_is_active (w))) |
4041 | return; |
4092 | return; |
4042 | |
4093 | |
4043 | EV_FREQUENT_CHECK; |
4094 | EV_FREQUENT_CHECK; |
4044 | |
4095 | |
4045 | { |
4096 | { |
… | |
… | |
4047 | |
4098 | |
4048 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4099 | assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w)); |
4049 | |
4100 | |
4050 | --periodiccnt; |
4101 | --periodiccnt; |
4051 | |
4102 | |
4052 | if (expect_true (active < periodiccnt + HEAP0)) |
4103 | if (ecb_expect_true (active < periodiccnt + HEAP0)) |
4053 | { |
4104 | { |
4054 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4105 | periodics [active] = periodics [periodiccnt + HEAP0]; |
4055 | adjustheap (periodics, periodiccnt, active); |
4106 | adjustheap (periodics, periodiccnt, active); |
4056 | } |
4107 | } |
4057 | } |
4108 | } |
… | |
… | |
4059 | ev_stop (EV_A_ (W)w); |
4110 | ev_stop (EV_A_ (W)w); |
4060 | |
4111 | |
4061 | EV_FREQUENT_CHECK; |
4112 | EV_FREQUENT_CHECK; |
4062 | } |
4113 | } |
4063 | |
4114 | |
4064 | noinline |
4115 | ecb_noinline |
4065 | void |
4116 | void |
4066 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4117 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
4067 | { |
4118 | { |
4068 | /* TODO: use adjustheap and recalculation */ |
4119 | /* TODO: use adjustheap and recalculation */ |
4069 | ev_periodic_stop (EV_A_ w); |
4120 | ev_periodic_stop (EV_A_ w); |
… | |
… | |
4075 | # define SA_RESTART 0 |
4126 | # define SA_RESTART 0 |
4076 | #endif |
4127 | #endif |
4077 | |
4128 | |
4078 | #if EV_SIGNAL_ENABLE |
4129 | #if EV_SIGNAL_ENABLE |
4079 | |
4130 | |
4080 | noinline |
4131 | ecb_noinline |
4081 | void |
4132 | void |
4082 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4133 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
4083 | { |
4134 | { |
4084 | if (expect_false (ev_is_active (w))) |
4135 | if (ecb_expect_false (ev_is_active (w))) |
4085 | return; |
4136 | return; |
4086 | |
4137 | |
4087 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4138 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4088 | |
4139 | |
4089 | #if EV_MULTIPLICITY |
4140 | #if EV_MULTIPLICITY |
… | |
… | |
4158 | } |
4209 | } |
4159 | |
4210 | |
4160 | EV_FREQUENT_CHECK; |
4211 | EV_FREQUENT_CHECK; |
4161 | } |
4212 | } |
4162 | |
4213 | |
4163 | noinline |
4214 | ecb_noinline |
4164 | void |
4215 | void |
4165 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4216 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
4166 | { |
4217 | { |
4167 | clear_pending (EV_A_ (W)w); |
4218 | clear_pending (EV_A_ (W)w); |
4168 | if (expect_false (!ev_is_active (w))) |
4219 | if (ecb_expect_false (!ev_is_active (w))) |
4169 | return; |
4220 | return; |
4170 | |
4221 | |
4171 | EV_FREQUENT_CHECK; |
4222 | EV_FREQUENT_CHECK; |
4172 | |
4223 | |
4173 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
4224 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
… | |
… | |
4206 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4257 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4207 | { |
4258 | { |
4208 | #if EV_MULTIPLICITY |
4259 | #if EV_MULTIPLICITY |
4209 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4260 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4210 | #endif |
4261 | #endif |
4211 | if (expect_false (ev_is_active (w))) |
4262 | if (ecb_expect_false (ev_is_active (w))) |
4212 | return; |
4263 | return; |
4213 | |
4264 | |
4214 | EV_FREQUENT_CHECK; |
4265 | EV_FREQUENT_CHECK; |
4215 | |
4266 | |
4216 | ev_start (EV_A_ (W)w, 1); |
4267 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
4221 | |
4272 | |
4222 | void |
4273 | void |
4223 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4274 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4224 | { |
4275 | { |
4225 | clear_pending (EV_A_ (W)w); |
4276 | clear_pending (EV_A_ (W)w); |
4226 | if (expect_false (!ev_is_active (w))) |
4277 | if (ecb_expect_false (!ev_is_active (w))) |
4227 | return; |
4278 | return; |
4228 | |
4279 | |
4229 | EV_FREQUENT_CHECK; |
4280 | EV_FREQUENT_CHECK; |
4230 | |
4281 | |
4231 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
4282 | wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w); |
… | |
… | |
4245 | |
4296 | |
4246 | #define DEF_STAT_INTERVAL 5.0074891 |
4297 | #define DEF_STAT_INTERVAL 5.0074891 |
4247 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4298 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4248 | #define MIN_STAT_INTERVAL 0.1074891 |
4299 | #define MIN_STAT_INTERVAL 0.1074891 |
4249 | |
4300 | |
4250 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4301 | ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4251 | |
4302 | |
4252 | #if EV_USE_INOTIFY |
4303 | #if EV_USE_INOTIFY |
4253 | |
4304 | |
4254 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4305 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4255 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4306 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4256 | |
4307 | |
4257 | noinline |
4308 | ecb_noinline |
4258 | static void |
4309 | static void |
4259 | infy_add (EV_P_ ev_stat *w) |
4310 | infy_add (EV_P_ ev_stat *w) |
4260 | { |
4311 | { |
4261 | w->wd = inotify_add_watch (fs_fd, w->path, |
4312 | w->wd = inotify_add_watch (fs_fd, w->path, |
4262 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4313 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
… | |
… | |
4327 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4378 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4328 | ev_timer_again (EV_A_ &w->timer); |
4379 | ev_timer_again (EV_A_ &w->timer); |
4329 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4380 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4330 | } |
4381 | } |
4331 | |
4382 | |
4332 | noinline |
4383 | ecb_noinline |
4333 | static void |
4384 | static void |
4334 | infy_del (EV_P_ ev_stat *w) |
4385 | infy_del (EV_P_ ev_stat *w) |
4335 | { |
4386 | { |
4336 | int slot; |
4387 | int slot; |
4337 | int wd = w->wd; |
4388 | int wd = w->wd; |
… | |
… | |
4345 | |
4396 | |
4346 | /* remove this watcher, if others are watching it, they will rearm */ |
4397 | /* remove this watcher, if others are watching it, they will rearm */ |
4347 | inotify_rm_watch (fs_fd, wd); |
4398 | inotify_rm_watch (fs_fd, wd); |
4348 | } |
4399 | } |
4349 | |
4400 | |
4350 | noinline |
4401 | ecb_noinline |
4351 | static void |
4402 | static void |
4352 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4403 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4353 | { |
4404 | { |
4354 | if (slot < 0) |
4405 | if (slot < 0) |
4355 | /* overflow, need to check for all hash slots */ |
4406 | /* overflow, need to check for all hash slots */ |
… | |
… | |
4501 | w->attr.st_nlink = 0; |
4552 | w->attr.st_nlink = 0; |
4502 | else if (!w->attr.st_nlink) |
4553 | else if (!w->attr.st_nlink) |
4503 | w->attr.st_nlink = 1; |
4554 | w->attr.st_nlink = 1; |
4504 | } |
4555 | } |
4505 | |
4556 | |
4506 | noinline |
4557 | ecb_noinline |
4507 | static void |
4558 | static void |
4508 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4559 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4509 | { |
4560 | { |
4510 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4561 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4511 | |
4562 | |
… | |
… | |
4545 | } |
4596 | } |
4546 | |
4597 | |
4547 | void |
4598 | void |
4548 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4599 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4549 | { |
4600 | { |
4550 | if (expect_false (ev_is_active (w))) |
4601 | if (ecb_expect_false (ev_is_active (w))) |
4551 | return; |
4602 | return; |
4552 | |
4603 | |
4553 | ev_stat_stat (EV_A_ w); |
4604 | ev_stat_stat (EV_A_ w); |
4554 | |
4605 | |
4555 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
4606 | if (w->interval < MIN_STAT_INTERVAL && w->interval) |
… | |
… | |
4577 | |
4628 | |
4578 | void |
4629 | void |
4579 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4630 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4580 | { |
4631 | { |
4581 | clear_pending (EV_A_ (W)w); |
4632 | clear_pending (EV_A_ (W)w); |
4582 | if (expect_false (!ev_is_active (w))) |
4633 | if (ecb_expect_false (!ev_is_active (w))) |
4583 | return; |
4634 | return; |
4584 | |
4635 | |
4585 | EV_FREQUENT_CHECK; |
4636 | EV_FREQUENT_CHECK; |
4586 | |
4637 | |
4587 | #if EV_USE_INOTIFY |
4638 | #if EV_USE_INOTIFY |
… | |
… | |
4602 | |
4653 | |
4603 | #if EV_IDLE_ENABLE |
4654 | #if EV_IDLE_ENABLE |
4604 | void |
4655 | void |
4605 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4656 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4606 | { |
4657 | { |
4607 | if (expect_false (ev_is_active (w))) |
4658 | if (ecb_expect_false (ev_is_active (w))) |
4608 | return; |
4659 | return; |
4609 | |
4660 | |
4610 | pri_adjust (EV_A_ (W)w); |
4661 | pri_adjust (EV_A_ (W)w); |
4611 | |
4662 | |
4612 | EV_FREQUENT_CHECK; |
4663 | EV_FREQUENT_CHECK; |
… | |
… | |
4615 | int active = ++idlecnt [ABSPRI (w)]; |
4666 | int active = ++idlecnt [ABSPRI (w)]; |
4616 | |
4667 | |
4617 | ++idleall; |
4668 | ++idleall; |
4618 | ev_start (EV_A_ (W)w, active); |
4669 | ev_start (EV_A_ (W)w, active); |
4619 | |
4670 | |
4620 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4671 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4621 | idles [ABSPRI (w)][active - 1] = w; |
4672 | idles [ABSPRI (w)][active - 1] = w; |
4622 | } |
4673 | } |
4623 | |
4674 | |
4624 | EV_FREQUENT_CHECK; |
4675 | EV_FREQUENT_CHECK; |
4625 | } |
4676 | } |
4626 | |
4677 | |
4627 | void |
4678 | void |
4628 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4679 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4629 | { |
4680 | { |
4630 | clear_pending (EV_A_ (W)w); |
4681 | clear_pending (EV_A_ (W)w); |
4631 | if (expect_false (!ev_is_active (w))) |
4682 | if (ecb_expect_false (!ev_is_active (w))) |
4632 | return; |
4683 | return; |
4633 | |
4684 | |
4634 | EV_FREQUENT_CHECK; |
4685 | EV_FREQUENT_CHECK; |
4635 | |
4686 | |
4636 | { |
4687 | { |
… | |
… | |
4649 | |
4700 | |
4650 | #if EV_PREPARE_ENABLE |
4701 | #if EV_PREPARE_ENABLE |
4651 | void |
4702 | void |
4652 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4703 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4653 | { |
4704 | { |
4654 | if (expect_false (ev_is_active (w))) |
4705 | if (ecb_expect_false (ev_is_active (w))) |
4655 | return; |
4706 | return; |
4656 | |
4707 | |
4657 | EV_FREQUENT_CHECK; |
4708 | EV_FREQUENT_CHECK; |
4658 | |
4709 | |
4659 | ev_start (EV_A_ (W)w, ++preparecnt); |
4710 | ev_start (EV_A_ (W)w, ++preparecnt); |
4660 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4711 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4661 | prepares [preparecnt - 1] = w; |
4712 | prepares [preparecnt - 1] = w; |
4662 | |
4713 | |
4663 | EV_FREQUENT_CHECK; |
4714 | EV_FREQUENT_CHECK; |
4664 | } |
4715 | } |
4665 | |
4716 | |
4666 | void |
4717 | void |
4667 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4718 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4668 | { |
4719 | { |
4669 | clear_pending (EV_A_ (W)w); |
4720 | clear_pending (EV_A_ (W)w); |
4670 | if (expect_false (!ev_is_active (w))) |
4721 | if (ecb_expect_false (!ev_is_active (w))) |
4671 | return; |
4722 | return; |
4672 | |
4723 | |
4673 | EV_FREQUENT_CHECK; |
4724 | EV_FREQUENT_CHECK; |
4674 | |
4725 | |
4675 | { |
4726 | { |
… | |
… | |
4687 | |
4738 | |
4688 | #if EV_CHECK_ENABLE |
4739 | #if EV_CHECK_ENABLE |
4689 | void |
4740 | void |
4690 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4741 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4691 | { |
4742 | { |
4692 | if (expect_false (ev_is_active (w))) |
4743 | if (ecb_expect_false (ev_is_active (w))) |
4693 | return; |
4744 | return; |
4694 | |
4745 | |
4695 | EV_FREQUENT_CHECK; |
4746 | EV_FREQUENT_CHECK; |
4696 | |
4747 | |
4697 | ev_start (EV_A_ (W)w, ++checkcnt); |
4748 | ev_start (EV_A_ (W)w, ++checkcnt); |
4698 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4749 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4699 | checks [checkcnt - 1] = w; |
4750 | checks [checkcnt - 1] = w; |
4700 | |
4751 | |
4701 | EV_FREQUENT_CHECK; |
4752 | EV_FREQUENT_CHECK; |
4702 | } |
4753 | } |
4703 | |
4754 | |
4704 | void |
4755 | void |
4705 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4756 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4706 | { |
4757 | { |
4707 | clear_pending (EV_A_ (W)w); |
4758 | clear_pending (EV_A_ (W)w); |
4708 | if (expect_false (!ev_is_active (w))) |
4759 | if (ecb_expect_false (!ev_is_active (w))) |
4709 | return; |
4760 | return; |
4710 | |
4761 | |
4711 | EV_FREQUENT_CHECK; |
4762 | EV_FREQUENT_CHECK; |
4712 | |
4763 | |
4713 | { |
4764 | { |
… | |
… | |
4722 | EV_FREQUENT_CHECK; |
4773 | EV_FREQUENT_CHECK; |
4723 | } |
4774 | } |
4724 | #endif |
4775 | #endif |
4725 | |
4776 | |
4726 | #if EV_EMBED_ENABLE |
4777 | #if EV_EMBED_ENABLE |
4727 | noinline |
4778 | ecb_noinline |
4728 | void |
4779 | void |
4729 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4780 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4730 | { |
4781 | { |
4731 | ev_run (w->other, EVRUN_NOWAIT); |
4782 | ev_run (w->other, EVRUN_NOWAIT); |
4732 | } |
4783 | } |
… | |
… | |
4784 | #endif |
4835 | #endif |
4785 | |
4836 | |
4786 | void |
4837 | void |
4787 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4838 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4788 | { |
4839 | { |
4789 | if (expect_false (ev_is_active (w))) |
4840 | if (ecb_expect_false (ev_is_active (w))) |
4790 | return; |
4841 | return; |
4791 | |
4842 | |
4792 | { |
4843 | { |
4793 | EV_P = w->other; |
4844 | EV_P = w->other; |
4794 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
4845 | assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
… | |
… | |
4816 | |
4867 | |
4817 | void |
4868 | void |
4818 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4869 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4819 | { |
4870 | { |
4820 | clear_pending (EV_A_ (W)w); |
4871 | clear_pending (EV_A_ (W)w); |
4821 | if (expect_false (!ev_is_active (w))) |
4872 | if (ecb_expect_false (!ev_is_active (w))) |
4822 | return; |
4873 | return; |
4823 | |
4874 | |
4824 | EV_FREQUENT_CHECK; |
4875 | EV_FREQUENT_CHECK; |
4825 | |
4876 | |
4826 | ev_io_stop (EV_A_ &w->io); |
4877 | ev_io_stop (EV_A_ &w->io); |
… | |
… | |
4835 | |
4886 | |
4836 | #if EV_FORK_ENABLE |
4887 | #if EV_FORK_ENABLE |
4837 | void |
4888 | void |
4838 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4889 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4839 | { |
4890 | { |
4840 | if (expect_false (ev_is_active (w))) |
4891 | if (ecb_expect_false (ev_is_active (w))) |
4841 | return; |
4892 | return; |
4842 | |
4893 | |
4843 | EV_FREQUENT_CHECK; |
4894 | EV_FREQUENT_CHECK; |
4844 | |
4895 | |
4845 | ev_start (EV_A_ (W)w, ++forkcnt); |
4896 | ev_start (EV_A_ (W)w, ++forkcnt); |
4846 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4897 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4847 | forks [forkcnt - 1] = w; |
4898 | forks [forkcnt - 1] = w; |
4848 | |
4899 | |
4849 | EV_FREQUENT_CHECK; |
4900 | EV_FREQUENT_CHECK; |
4850 | } |
4901 | } |
4851 | |
4902 | |
4852 | void |
4903 | void |
4853 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4904 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4854 | { |
4905 | { |
4855 | clear_pending (EV_A_ (W)w); |
4906 | clear_pending (EV_A_ (W)w); |
4856 | if (expect_false (!ev_is_active (w))) |
4907 | if (ecb_expect_false (!ev_is_active (w))) |
4857 | return; |
4908 | return; |
4858 | |
4909 | |
4859 | EV_FREQUENT_CHECK; |
4910 | EV_FREQUENT_CHECK; |
4860 | |
4911 | |
4861 | { |
4912 | { |
… | |
… | |
4873 | |
4924 | |
4874 | #if EV_CLEANUP_ENABLE |
4925 | #if EV_CLEANUP_ENABLE |
4875 | void |
4926 | void |
4876 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4927 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4877 | { |
4928 | { |
4878 | if (expect_false (ev_is_active (w))) |
4929 | if (ecb_expect_false (ev_is_active (w))) |
4879 | return; |
4930 | return; |
4880 | |
4931 | |
4881 | EV_FREQUENT_CHECK; |
4932 | EV_FREQUENT_CHECK; |
4882 | |
4933 | |
4883 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4934 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4884 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
4935 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4885 | cleanups [cleanupcnt - 1] = w; |
4936 | cleanups [cleanupcnt - 1] = w; |
4886 | |
4937 | |
4887 | /* cleanup watchers should never keep a refcount on the loop */ |
4938 | /* cleanup watchers should never keep a refcount on the loop */ |
4888 | ev_unref (EV_A); |
4939 | ev_unref (EV_A); |
4889 | EV_FREQUENT_CHECK; |
4940 | EV_FREQUENT_CHECK; |
… | |
… | |
4891 | |
4942 | |
4892 | void |
4943 | void |
4893 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4944 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4894 | { |
4945 | { |
4895 | clear_pending (EV_A_ (W)w); |
4946 | clear_pending (EV_A_ (W)w); |
4896 | if (expect_false (!ev_is_active (w))) |
4947 | if (ecb_expect_false (!ev_is_active (w))) |
4897 | return; |
4948 | return; |
4898 | |
4949 | |
4899 | EV_FREQUENT_CHECK; |
4950 | EV_FREQUENT_CHECK; |
4900 | ev_ref (EV_A); |
4951 | ev_ref (EV_A); |
4901 | |
4952 | |
… | |
… | |
4914 | |
4965 | |
4915 | #if EV_ASYNC_ENABLE |
4966 | #if EV_ASYNC_ENABLE |
4916 | void |
4967 | void |
4917 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4968 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4918 | { |
4969 | { |
4919 | if (expect_false (ev_is_active (w))) |
4970 | if (ecb_expect_false (ev_is_active (w))) |
4920 | return; |
4971 | return; |
4921 | |
4972 | |
4922 | w->sent = 0; |
4973 | w->sent = 0; |
4923 | |
4974 | |
4924 | evpipe_init (EV_A); |
4975 | evpipe_init (EV_A); |
4925 | |
4976 | |
4926 | EV_FREQUENT_CHECK; |
4977 | EV_FREQUENT_CHECK; |
4927 | |
4978 | |
4928 | ev_start (EV_A_ (W)w, ++asynccnt); |
4979 | ev_start (EV_A_ (W)w, ++asynccnt); |
4929 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
4980 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4930 | asyncs [asynccnt - 1] = w; |
4981 | asyncs [asynccnt - 1] = w; |
4931 | |
4982 | |
4932 | EV_FREQUENT_CHECK; |
4983 | EV_FREQUENT_CHECK; |
4933 | } |
4984 | } |
4934 | |
4985 | |
4935 | void |
4986 | void |
4936 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4987 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4937 | { |
4988 | { |
4938 | clear_pending (EV_A_ (W)w); |
4989 | clear_pending (EV_A_ (W)w); |
4939 | if (expect_false (!ev_is_active (w))) |
4990 | if (ecb_expect_false (!ev_is_active (w))) |
4940 | return; |
4991 | return; |
4941 | |
4992 | |
4942 | EV_FREQUENT_CHECK; |
4993 | EV_FREQUENT_CHECK; |
4943 | |
4994 | |
4944 | { |
4995 | { |