ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.365 by root, Sun Oct 31 22:01:20 2010 UTC vs.
Revision 1.393 by root, Thu Aug 4 14:47:48 2011 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011 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 *
10 * 1. Redistributions of source code must retain the above copyright notice, 10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
12 * 12 *
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution. 15 * documentation and/or other materials provided with the distribution.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
… …
42# ifdef EV_CONFIG_H 42# ifdef EV_CONFIG_H
43# include EV_CONFIG_H 43# include EV_CONFIG_H
44# else 44# else
45# include "config.h" 45# include "config.h"
46# endif 46# endif
47
48#if HAVE_FLOOR
49# ifndef EV_USE_FLOOR
50# define EV_USE_FLOOR 1
51# endif
52#endif
47 53
48# if HAVE_CLOCK_SYSCALL 54# if HAVE_CLOCK_SYSCALL
49# ifndef EV_USE_CLOCK_SYSCALL 55# ifndef EV_USE_CLOCK_SYSCALL
50# define EV_USE_CLOCK_SYSCALL 1 56# define EV_USE_CLOCK_SYSCALL 1
51# ifndef EV_USE_REALTIME 57# ifndef EV_USE_REALTIME
… …
156# define EV_USE_EVENTFD 0 162# define EV_USE_EVENTFD 0
157# endif 163# endif
158 164
159#endif 165#endif
160 166
161#include <math.h>
162#include <stdlib.h> 167#include <stdlib.h>
163#include <string.h> 168#include <string.h>
164#include <fcntl.h> 169#include <fcntl.h>
165#include <stddef.h> 170#include <stddef.h>
166 171
… …
232/* to make it compile regardless, just remove the above line, */ 237/* to make it compile regardless, just remove the above line, */
233/* but consider reporting it, too! :) */ 238/* but consider reporting it, too! :) */
234# define EV_NSIG 65 239# define EV_NSIG 65
235#endif 240#endif
236 241
242#ifndef EV_USE_FLOOR
243# define EV_USE_FLOOR 0
244#endif
245
237#ifndef EV_USE_CLOCK_SYSCALL 246#ifndef EV_USE_CLOCK_SYSCALL
238# if __linux && __GLIBC__ >= 2 247# if __linux && __GLIBC__ >= 2
239# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS 248# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
240# else 249# else
241# define EV_USE_CLOCK_SYSCALL 0 250# define EV_USE_CLOCK_SYSCALL 0
… …
376# undef EV_USE_INOTIFY 385# undef EV_USE_INOTIFY
377# define EV_USE_INOTIFY 0 386# define EV_USE_INOTIFY 0
378#endif 387#endif
379 388
380#if !EV_USE_NANOSLEEP 389#if !EV_USE_NANOSLEEP
381# ifndef _WIN32 390/* hp-ux has it in sys/time.h, which we unconditionally include above */
391# if !defined(_WIN32) && !defined(__hpux)
382# include <sys/select.h> 392# include <sys/select.h>
383# endif 393# endif
384#endif 394#endif
385 395
386#if EV_USE_INOTIFY 396#if EV_USE_INOTIFY
… …
442#else 452#else
443# define EV_FREQUENT_CHECK do { } while (0) 453# define EV_FREQUENT_CHECK do { } while (0)
444#endif 454#endif
445 455
446/* 456/*
447 * This is used to avoid floating point rounding problems. 457 * This is used to work around floating point rounding problems.
448 * It is added to ev_rt_now when scheduling periodics
449 * to ensure progress, time-wise, even when rounding
450 * errors are against us.
451 * This value is good at least till the year 4000. 458 * This value is good at least till the year 4000.
452 * Better solutions welcome.
453 */ 459 */
454#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 460#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
461/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
455 462
456#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 463#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
457#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 464#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
458 465
459#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 466#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
460#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) 467#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
461 468
469/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470/* ECB.H BEGIN */
471/*
472 * libecb - http://software.schmorp.de/pkg/libecb
473 *
474 * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>
475 * Copyright (©) 2011 Emanuele Giaquinta
476 * All rights reserved.
477 *
478 * Redistribution and use in source and binary forms, with or without modifica-
479 * tion, are permitted provided that the following conditions are met:
480 *
481 * 1. Redistributions of source code must retain the above copyright notice,
482 * this list of conditions and the following disclaimer.
483 *
484 * 2. Redistributions in binary form must reproduce the above copyright
485 * notice, this list of conditions and the following disclaimer in the
486 * documentation and/or other materials provided with the distribution.
487 *
488 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
489 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
490 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
491 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
492 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
493 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
494 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
495 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
496 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
497 * OF THE POSSIBILITY OF SUCH DAMAGE.
498 */
499
500#ifndef ECB_H
501#define ECB_H
502
503#ifdef _WIN32
504 typedef signed char int8_t;
505 typedef unsigned char uint8_t;
506 typedef signed short int16_t;
507 typedef unsigned short uint16_t;
508 typedef signed int int32_t;
509 typedef unsigned int uint32_t;
462#if __GNUC__ >= 4 510 #if __GNUC__
463# define expect(expr,value) __builtin_expect ((expr),(value)) 511 typedef signed long long int64_t;
464# define noinline __attribute__ ((noinline)) 512 typedef unsigned long long uint64_t;
513 #else /* _MSC_VER || __BORLANDC__ */
514 typedef signed __int64 int64_t;
515 typedef unsigned __int64 uint64_t;
516 #endif
465#else 517#else
466# define expect(expr,value) (expr) 518 #include <inttypes.h>
467# define noinline
468# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
469# define inline
470# endif 519#endif
520
521/* many compilers define _GNUC_ to some versions but then only implement
522 * what their idiot authors think are the "more important" extensions,
523 * causing enormous grief in return for some better fake benchmark numbers.
524 * or so.
525 * we try to detect these and simply assume they are not gcc - if they have
526 * an issue with that they should have done it right in the first place.
527 */
528#ifndef ECB_GCC_VERSION
529 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)
530 #define ECB_GCC_VERSION(major,minor) 0
531 #else
532 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
471#endif 533 #endif
534#endif
472 535
536/*****************************************************************************/
537
538/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540
541#if ECB_NO_THREADS || ECB_NO_SMP
542 #define ECB_MEMORY_FENCE do { } while (0)
543#endif
544
545#ifndef ECB_MEMORY_FENCE
546 #if ECB_GCC_VERSION(2,5)
547 #if __x86
548 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
549 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
550 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
551 #elif __amd64
552 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
554 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
555 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \
558 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)
559 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,4" : : "r" (0) : "memory")
560 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \
561 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )
562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dsb" : : : "memory")
563 #endif
564 #endif
565#endif
566
567#ifndef ECB_MEMORY_FENCE
568 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)
569 #define ECB_MEMORY_FENCE __sync_synchronize ()
570 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
571 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
572 #elif _MSC_VER >= 1400 /* VC++ 2005 */
573 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577 #elif defined(_WIN32)
578 #include <WinNT.h>
579 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
580 #endif
581#endif
582
583#ifndef ECB_MEMORY_FENCE
584 #if !ECB_AVOID_PTHREADS
585 /*
586 * if you get undefined symbol references to pthread_mutex_lock,
587 * or failure to find pthread.h, then you should implement
588 * the ECB_MEMORY_FENCE operations for your cpu/compiler
589 * OR provide pthread.h and link against the posix thread library
590 * of your system.
591 */
592 #include <pthread.h>
593 #define ECB_NEEDS_PTHREADS 1
594 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
595
596 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
597 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598 #endif
599#endif
600
601#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)
602 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603#endif
604
605#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)
606 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607#endif
608
609/*****************************************************************************/
610
611#define ECB_C99 (__STDC_VERSION__ >= 199901L)
612
613#if __cplusplus
614 #define ecb_inline static inline
615#elif ECB_GCC_VERSION(2,5)
616 #define ecb_inline static __inline__
617#elif ECB_C99
618 #define ecb_inline static inline
619#else
620 #define ecb_inline static
621#endif
622
623#if ECB_GCC_VERSION(3,3)
624 #define ecb_restrict __restrict__
625#elif ECB_C99
626 #define ecb_restrict restrict
627#else
628 #define ecb_restrict
629#endif
630
631typedef int ecb_bool;
632
633#define ECB_CONCAT_(a, b) a ## b
634#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
635#define ECB_STRINGIFY_(a) # a
636#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
637
638#define ecb_function_ ecb_inline
639
640#if ECB_GCC_VERSION(3,1)
641 #define ecb_attribute(attrlist) __attribute__(attrlist)
642 #define ecb_is_constant(expr) __builtin_constant_p (expr)
643 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
644 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
645#else
646 #define ecb_attribute(attrlist)
647 #define ecb_is_constant(expr) 0
648 #define ecb_expect(expr,value) (expr)
649 #define ecb_prefetch(addr,rw,locality)
650#endif
651
652/* no emulation for ecb_decltype */
653#if ECB_GCC_VERSION(4,5)
654 #define ecb_decltype(x) __decltype(x)
655#elif ECB_GCC_VERSION(3,0)
656 #define ecb_decltype(x) __typeof(x)
657#endif
658
659#define ecb_noinline ecb_attribute ((__noinline__))
660#define ecb_noreturn ecb_attribute ((__noreturn__))
661#define ecb_unused ecb_attribute ((__unused__))
662#define ecb_const ecb_attribute ((__const__))
663#define ecb_pure ecb_attribute ((__pure__))
664
665#if ECB_GCC_VERSION(4,3)
666 #define ecb_artificial ecb_attribute ((__artificial__))
667 #define ecb_hot ecb_attribute ((__hot__))
668 #define ecb_cold ecb_attribute ((__cold__))
669#else
670 #define ecb_artificial
671 #define ecb_hot
672 #define ecb_cold
673#endif
674
675/* put around conditional expressions if you are very sure that the */
676/* expression is mostly true or mostly false. note that these return */
677/* booleans, not the expression. */
473#define expect_false(expr) expect ((expr) != 0, 0) 678#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
474#define expect_true(expr) expect ((expr) != 0, 1) 679#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
680/* for compatibility to the rest of the world */
681#define ecb_likely(expr) ecb_expect_true (expr)
682#define ecb_unlikely(expr) ecb_expect_false (expr)
683
684/* count trailing zero bits and count # of one bits */
685#if ECB_GCC_VERSION(3,4)
686 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
687 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
688 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
689 #define ecb_ctz32(x) __builtin_ctz (x)
690 #define ecb_ctz64(x) __builtin_ctzll (x)
691 #define ecb_popcount32(x) __builtin_popcount (x)
692 /* no popcountll */
693#else
694 ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
695 ecb_function_ int
696 ecb_ctz32 (uint32_t x)
697 {
698 int r = 0;
699
700 x &= ~x + 1; /* this isolates the lowest bit */
701
702#if ECB_branchless_on_i386
703 r += !!(x & 0xaaaaaaaa) << 0;
704 r += !!(x & 0xcccccccc) << 1;
705 r += !!(x & 0xf0f0f0f0) << 2;
706 r += !!(x & 0xff00ff00) << 3;
707 r += !!(x & 0xffff0000) << 4;
708#else
709 if (x & 0xaaaaaaaa) r += 1;
710 if (x & 0xcccccccc) r += 2;
711 if (x & 0xf0f0f0f0) r += 4;
712 if (x & 0xff00ff00) r += 8;
713 if (x & 0xffff0000) r += 16;
714#endif
715
716 return r;
717 }
718
719 ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
720 ecb_function_ int
721 ecb_ctz64 (uint64_t x)
722 {
723 int shift = x & 0xffffffffU ? 0 : 32;
724 return ecb_ctz32 (x >> shift) + shift;
725 }
726
727 ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
728 ecb_function_ int
729 ecb_popcount32 (uint32_t x)
730 {
731 x -= (x >> 1) & 0x55555555;
732 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
733 x = ((x >> 4) + x) & 0x0f0f0f0f;
734 x *= 0x01010101;
735
736 return x >> 24;
737 }
738
739 ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
740 ecb_function_ int ecb_ld32 (uint32_t x)
741 {
742 int r = 0;
743
744 if (x >> 16) { x >>= 16; r += 16; }
745 if (x >> 8) { x >>= 8; r += 8; }
746 if (x >> 4) { x >>= 4; r += 4; }
747 if (x >> 2) { x >>= 2; r += 2; }
748 if (x >> 1) { r += 1; }
749
750 return r;
751 }
752
753 ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
754 ecb_function_ int ecb_ld64 (uint64_t x)
755 {
756 int r = 0;
757
758 if (x >> 32) { x >>= 32; r += 32; }
759
760 return r + ecb_ld32 (x);
761 }
762#endif
763
764/* popcount64 is only available on 64 bit cpus as gcc builtin */
765/* so for this version we are lazy */
766ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767ecb_function_ int
768ecb_popcount64 (uint64_t x)
769{
770 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
771}
772
773ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
774ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
775ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
776ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
777ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
778ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
779ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
780ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
781
782ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
783ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
784ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
785ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
786ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
787ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
788ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
789ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
790
791#if ECB_GCC_VERSION(4,3)
792 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
793 #define ecb_bswap32(x) __builtin_bswap32 (x)
794 #define ecb_bswap64(x) __builtin_bswap64 (x)
795#else
796 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
797 ecb_function_ uint16_t
798 ecb_bswap16 (uint16_t x)
799 {
800 return ecb_rotl16 (x, 8);
801 }
802
803 ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
804 ecb_function_ uint32_t
805 ecb_bswap32 (uint32_t x)
806 {
807 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
808 }
809
810 ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
811 ecb_function_ uint64_t
812 ecb_bswap64 (uint64_t x)
813 {
814 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
815 }
816#endif
817
818#if ECB_GCC_VERSION(4,5)
819 #define ecb_unreachable() __builtin_unreachable ()
820#else
821 /* this seems to work fine, but gcc always emits a warning for it :/ */
822 ecb_function_ void ecb_unreachable (void) ecb_noreturn;
823 ecb_function_ void ecb_unreachable (void) { }
824#endif
825
826/* try to tell the compiler that some condition is definitely true */
827#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
828
829ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;
830ecb_function_ unsigned char
831ecb_byteorder_helper (void)
832{
833 const uint32_t u = 0x11223344;
834 return *(unsigned char *)&u;
835}
836
837ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;
838ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;
840ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841
842#if ECB_GCC_VERSION(3,0) || ECB_C99
843 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844#else
845 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
846#endif
847
848#if ecb_cplusplus_does_not_suck
849 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
850 template<typename T, int N>
851 static inline int ecb_array_length (const T (&arr)[N])
852 {
853 return N;
854 }
855#else
856 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
857#endif
858
859#endif
860
861/* ECB.H END */
862
863#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
864# undef ECB_MEMORY_FENCE
865# undef ECB_MEMORY_FENCE_ACQUIRE
866# undef ECB_MEMORY_FENCE_RELEASE
867#endif
868
869#define expect_false(cond) ecb_expect_false (cond)
870#define expect_true(cond) ecb_expect_true (cond)
871#define noinline ecb_noinline
872
475#define inline_size static inline 873#define inline_size ecb_inline
476 874
477#if EV_FEATURE_CODE 875#if EV_FEATURE_CODE
478# define inline_speed static inline 876# define inline_speed ecb_inline
479#else 877#else
480# define inline_speed static noinline 878# define inline_speed static noinline
481#endif 879#endif
482 880
483#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 881#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
… …
522# include "ev_win32.c" 920# include "ev_win32.c"
523#endif 921#endif
524 922
525/*****************************************************************************/ 923/*****************************************************************************/
526 924
925/* define a suitable floor function (only used by periodics atm) */
926
927#if EV_USE_FLOOR
928# include <math.h>
929# define ev_floor(v) floor (v)
930#else
931
932#include <float.h>
933
934/* a floor() replacement function, should be independent of ev_tstamp type */
935static ev_tstamp noinline
936ev_floor (ev_tstamp v)
937{
938 /* the choice of shift factor is not terribly important */
939#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
940 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
941#else
942 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
943#endif
944
945 /* argument too large for an unsigned long? */
946 if (expect_false (v >= shift))
947 {
948 ev_tstamp f;
949
950 if (v == v - 1.)
951 return v; /* very large number */
952
953 f = shift * ev_floor (v * (1. / shift));
954 return f + ev_floor (v - f);
955 }
956
957 /* special treatment for negative args? */
958 if (expect_false (v < 0.))
959 {
960 ev_tstamp f = -ev_floor (-v);
961
962 return f - (f == v ? 0 : 1);
963 }
964
965 /* fits into an unsigned long */
966 return (unsigned long)v;
967}
968
969#endif
970
971/*****************************************************************************/
972
527#ifdef __linux 973#ifdef __linux
528# include <sys/utsname.h> 974# include <sys/utsname.h>
529#endif 975#endif
530 976
531static unsigned int noinline 977static unsigned int noinline ecb_cold
532ev_linux_version (void) 978ev_linux_version (void)
533{ 979{
534#ifdef __linux 980#ifdef __linux
535 unsigned int v = 0; 981 unsigned int v = 0;
536 struct utsname buf; 982 struct utsname buf;
… …
565} 1011}
566 1012
567/*****************************************************************************/ 1013/*****************************************************************************/
568 1014
569#if EV_AVOID_STDIO 1015#if EV_AVOID_STDIO
570static void noinline 1016static void noinline ecb_cold
571ev_printerr (const char *msg) 1017ev_printerr (const char *msg)
572{ 1018{
573 write (STDERR_FILENO, msg, strlen (msg)); 1019 write (STDERR_FILENO, msg, strlen (msg));
574} 1020}
575#endif 1021#endif
576 1022
577static void (*syserr_cb)(const char *msg); 1023static void (*syserr_cb)(const char *msg);
578 1024
579void 1025void ecb_cold
580ev_set_syserr_cb (void (*cb)(const char *msg)) 1026ev_set_syserr_cb (void (*cb)(const char *msg))
581{ 1027{
582 syserr_cb = cb; 1028 syserr_cb = cb;
583} 1029}
584 1030
585static void noinline 1031static void noinline ecb_cold
586ev_syserr (const char *msg) 1032ev_syserr (const char *msg)
587{ 1033{
588 if (!msg) 1034 if (!msg)
589 msg = "(libev) system error"; 1035 msg = "(libev) system error";
590 1036
… …
623#endif 1069#endif
624} 1070}
625 1071
626static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1072static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
627 1073
628void 1074void ecb_cold
629ev_set_allocator (void *(*cb)(void *ptr, long size)) 1075ev_set_allocator (void *(*cb)(void *ptr, long size))
630{ 1076{
631 alloc = cb; 1077 alloc = cb;
632} 1078}
633 1079
… …
842 } 1288 }
843 1289
844 return ncur; 1290 return ncur;
845} 1291}
846 1292
847static noinline void * 1293static void * noinline ecb_cold
848array_realloc (int elem, void *base, int *cur, int cnt) 1294array_realloc (int elem, void *base, int *cur, int cnt)
849{ 1295{
850 *cur = array_nextsize (elem, *cur, cnt); 1296 *cur = array_nextsize (elem, *cur, cnt);
851 return ev_realloc (base, elem * *cur); 1297 return ev_realloc (base, elem * *cur);
852} 1298}
… …
855 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1301 memset ((void *)(base), 0, sizeof (*(base)) * (count))
856 1302
857#define array_needsize(type,base,cur,cnt,init) \ 1303#define array_needsize(type,base,cur,cnt,init) \
858 if (expect_false ((cnt) > (cur))) \ 1304 if (expect_false ((cnt) > (cur))) \
859 { \ 1305 { \
860 int ocur_ = (cur); \ 1306 int ecb_unused ocur_ = (cur); \
861 (base) = (type *)array_realloc \ 1307 (base) = (type *)array_realloc \
862 (sizeof (type), (base), &(cur), (cnt)); \ 1308 (sizeof (type), (base), &(cur), (cnt)); \
863 init ((base) + (ocur_), (cur) - ocur_); \ 1309 init ((base) + (ocur_), (cur) - ocur_); \
864 } 1310 }
865 1311
… …
965inline_size void 1411inline_size void
966fd_reify (EV_P) 1412fd_reify (EV_P)
967{ 1413{
968 int i; 1414 int i;
969 1415
1416#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1417 for (i = 0; i < fdchangecnt; ++i)
1418 {
1419 int fd = fdchanges [i];
1420 ANFD *anfd = anfds + fd;
1421
1422 if (anfd->reify & EV__IOFDSET && anfd->head)
1423 {
1424 SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
1425
1426 if (handle != anfd->handle)
1427 {
1428 unsigned long arg;
1429
1430 assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
1431
1432 /* handle changed, but fd didn't - we need to do it in two steps */
1433 backend_modify (EV_A_ fd, anfd->events, 0);
1434 anfd->events = 0;
1435 anfd->handle = handle;
1436 }
1437 }
1438 }
1439#endif
1440
970 for (i = 0; i < fdchangecnt; ++i) 1441 for (i = 0; i < fdchangecnt; ++i)
971 { 1442 {
972 int fd = fdchanges [i]; 1443 int fd = fdchanges [i];
973 ANFD *anfd = anfds + fd; 1444 ANFD *anfd = anfds + fd;
974 ev_io *w; 1445 ev_io *w;
… …
976 unsigned char o_events = anfd->events; 1447 unsigned char o_events = anfd->events;
977 unsigned char o_reify = anfd->reify; 1448 unsigned char o_reify = anfd->reify;
978 1449
979 anfd->reify = 0; 1450 anfd->reify = 0;
980 1451
981#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
982 if (o_reify & EV__IOFDSET)
983 {
984 unsigned long arg;
985 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
986 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
987 printf ("oi %d %x\n", fd, anfd->handle);//D
988 }
989#endif
990
991 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 1452 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
992 { 1453 {
993 anfd->events = 0; 1454 anfd->events = 0;
994 1455
995 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1456 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
… …
1020 fdchanges [fdchangecnt - 1] = fd; 1481 fdchanges [fdchangecnt - 1] = fd;
1021 } 1482 }
1022} 1483}
1023 1484
1024/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 1485/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1025inline_speed void 1486inline_speed void ecb_cold
1026fd_kill (EV_P_ int fd) 1487fd_kill (EV_P_ int fd)
1027{ 1488{
1028 ev_io *w; 1489 ev_io *w;
1029 1490
1030 while ((w = (ev_io *)anfds [fd].head)) 1491 while ((w = (ev_io *)anfds [fd].head))
… …
1033 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1494 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1034 } 1495 }
1035} 1496}
1036 1497
1037/* check whether the given fd is actually valid, for error recovery */ 1498/* check whether the given fd is actually valid, for error recovery */
1038inline_size int 1499inline_size int ecb_cold
1039fd_valid (int fd) 1500fd_valid (int fd)
1040{ 1501{
1041#ifdef _WIN32 1502#ifdef _WIN32
1042 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 1503 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1043#else 1504#else
1044 return fcntl (fd, F_GETFD) != -1; 1505 return fcntl (fd, F_GETFD) != -1;
1045#endif 1506#endif
1046} 1507}
1047 1508
1048/* called on EBADF to verify fds */ 1509/* called on EBADF to verify fds */
1049static void noinline 1510static void noinline ecb_cold
1050fd_ebadf (EV_P) 1511fd_ebadf (EV_P)
1051{ 1512{
1052 int fd; 1513 int fd;
1053 1514
1054 for (fd = 0; fd < anfdmax; ++fd) 1515 for (fd = 0; fd < anfdmax; ++fd)
… …
1056 if (!fd_valid (fd) && errno == EBADF) 1517 if (!fd_valid (fd) && errno == EBADF)
1057 fd_kill (EV_A_ fd); 1518 fd_kill (EV_A_ fd);
1058} 1519}
1059 1520
1060/* called on ENOMEM in select/poll to kill some fds and retry */ 1521/* called on ENOMEM in select/poll to kill some fds and retry */
1061static void noinline 1522static void noinline ecb_cold
1062fd_enomem (EV_P) 1523fd_enomem (EV_P)
1063{ 1524{
1064 int fd; 1525 int fd;
1065 1526
1066 for (fd = anfdmax; fd--; ) 1527 for (fd = anfdmax; fd--; )
… …
1261 1722
1262/*****************************************************************************/ 1723/*****************************************************************************/
1263 1724
1264#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 1725#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1265 1726
1266static void noinline 1727static void noinline ecb_cold
1267evpipe_init (EV_P) 1728evpipe_init (EV_P)
1268{ 1729{
1269 if (!ev_is_active (&pipe_w)) 1730 if (!ev_is_active (&pipe_w))
1270 { 1731 {
1271# if EV_USE_EVENTFD 1732# if EV_USE_EVENTFD
… …
1293 ev_io_start (EV_A_ &pipe_w); 1754 ev_io_start (EV_A_ &pipe_w);
1294 ev_unref (EV_A); /* watcher should not keep loop alive */ 1755 ev_unref (EV_A); /* watcher should not keep loop alive */
1295 } 1756 }
1296} 1757}
1297 1758
1298inline_size void 1759inline_speed void
1299evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1760evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1300{ 1761{
1301 if (!*flag) 1762 if (expect_true (*flag))
1763 return;
1764
1765 *flag = 1;
1766
1767 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1768
1769 pipe_write_skipped = 1;
1770
1771 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1772
1773 if (pipe_write_wanted)
1302 { 1774 {
1775 int old_errno;
1776
1777 pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1778
1303 int old_errno = errno; /* save errno because write might clobber it */ 1779 old_errno = errno; /* save errno because write will clobber it */
1304 char dummy;
1305
1306 *flag = 1;
1307 1780
1308#if EV_USE_EVENTFD 1781#if EV_USE_EVENTFD
1309 if (evfd >= 0) 1782 if (evfd >= 0)
1310 { 1783 {
1311 uint64_t counter = 1; 1784 uint64_t counter = 1;
1312 write (evfd, &counter, sizeof (uint64_t)); 1785 write (evfd, &counter, sizeof (uint64_t));
1313 } 1786 }
1314 else 1787 else
1315#endif 1788#endif
1789 {
1316 /* win32 people keep sending patches that change this write() to send() */ 1790 /* win32 people keep sending patches that change this write() to send() */
1317 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1791 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1318 /* so when you think this write should be a send instead, please find out */ 1792 /* so when you think this write should be a send instead, please find out */
1319 /* where your send() is from - it's definitely not the microsoft send, and */ 1793 /* where your send() is from - it's definitely not the microsoft send, and */
1320 /* tell me. thank you. */ 1794 /* tell me. thank you. */
1321 write (evpipe [1], &dummy, 1); 1795 write (evpipe [1], &(evpipe [1]), 1);
1796 }
1322 1797
1323 errno = old_errno; 1798 errno = old_errno;
1324 } 1799 }
1325} 1800}
1326 1801
… …
1329static void 1804static void
1330pipecb (EV_P_ ev_io *iow, int revents) 1805pipecb (EV_P_ ev_io *iow, int revents)
1331{ 1806{
1332 int i; 1807 int i;
1333 1808
1809 if (revents & EV_READ)
1810 {
1334#if EV_USE_EVENTFD 1811#if EV_USE_EVENTFD
1335 if (evfd >= 0) 1812 if (evfd >= 0)
1336 { 1813 {
1337 uint64_t counter; 1814 uint64_t counter;
1338 read (evfd, &counter, sizeof (uint64_t)); 1815 read (evfd, &counter, sizeof (uint64_t));
1339 } 1816 }
1340 else 1817 else
1341#endif 1818#endif
1342 { 1819 {
1343 char dummy; 1820 char dummy;
1344 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1821 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1345 read (evpipe [0], &dummy, 1); 1822 read (evpipe [0], &dummy, 1);
1823 }
1346 } 1824 }
1347 1825
1826 pipe_write_skipped = 0;
1827
1828#if EV_SIGNAL_ENABLE
1348 if (sig_pending) 1829 if (sig_pending)
1349 { 1830 {
1350 sig_pending = 0; 1831 sig_pending = 0;
1351 1832
1352 for (i = EV_NSIG - 1; i--; ) 1833 for (i = EV_NSIG - 1; i--; )
1353 if (expect_false (signals [i].pending)) 1834 if (expect_false (signals [i].pending))
1354 ev_feed_signal_event (EV_A_ i + 1); 1835 ev_feed_signal_event (EV_A_ i + 1);
1355 } 1836 }
1837#endif
1356 1838
1357#if EV_ASYNC_ENABLE 1839#if EV_ASYNC_ENABLE
1358 if (async_pending) 1840 if (async_pending)
1359 { 1841 {
1360 async_pending = 0; 1842 async_pending = 0;
… …
1369#endif 1851#endif
1370} 1852}
1371 1853
1372/*****************************************************************************/ 1854/*****************************************************************************/
1373 1855
1856void
1857ev_feed_signal (int signum)
1858{
1859#if EV_MULTIPLICITY
1860 EV_P = signals [signum - 1].loop;
1861
1862 if (!EV_A)
1863 return;
1864#endif
1865
1866 if (!ev_active (&pipe_w))
1867 return;
1868
1869 signals [signum - 1].pending = 1;
1870 evpipe_write (EV_A_ &sig_pending);
1871}
1872
1374static void 1873static void
1375ev_sighandler (int signum) 1874ev_sighandler (int signum)
1376{ 1875{
1377#if EV_MULTIPLICITY
1378 EV_P = signals [signum - 1].loop;
1379#endif
1380
1381#ifdef _WIN32 1876#ifdef _WIN32
1382 signal (signum, ev_sighandler); 1877 signal (signum, ev_sighandler);
1383#endif 1878#endif
1384 1879
1385 signals [signum - 1].pending = 1; 1880 ev_feed_signal (signum);
1386 evpipe_write (EV_A_ &sig_pending);
1387} 1881}
1388 1882
1389void noinline 1883void noinline
1390ev_feed_signal_event (EV_P_ int signum) 1884ev_feed_signal_event (EV_P_ int signum)
1391{ 1885{
… …
1510#endif 2004#endif
1511#if EV_USE_SELECT 2005#if EV_USE_SELECT
1512# include "ev_select.c" 2006# include "ev_select.c"
1513#endif 2007#endif
1514 2008
1515int 2009int ecb_cold
1516ev_version_major (void) 2010ev_version_major (void)
1517{ 2011{
1518 return EV_VERSION_MAJOR; 2012 return EV_VERSION_MAJOR;
1519} 2013}
1520 2014
1521int 2015int ecb_cold
1522ev_version_minor (void) 2016ev_version_minor (void)
1523{ 2017{
1524 return EV_VERSION_MINOR; 2018 return EV_VERSION_MINOR;
1525} 2019}
1526 2020
1527/* return true if we are running with elevated privileges and should ignore env variables */ 2021/* return true if we are running with elevated privileges and should ignore env variables */
1528int inline_size 2022int inline_size ecb_cold
1529enable_secure (void) 2023enable_secure (void)
1530{ 2024{
1531#ifdef _WIN32 2025#ifdef _WIN32
1532 return 0; 2026 return 0;
1533#else 2027#else
1534 return getuid () != geteuid () 2028 return getuid () != geteuid ()
1535 || getgid () != getegid (); 2029 || getgid () != getegid ();
1536#endif 2030#endif
1537} 2031}
1538 2032
1539unsigned int 2033unsigned int ecb_cold
1540ev_supported_backends (void) 2034ev_supported_backends (void)
1541{ 2035{
1542 unsigned int flags = 0; 2036 unsigned int flags = 0;
1543 2037
1544 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2038 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
… …
1548 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2042 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
1549 2043
1550 return flags; 2044 return flags;
1551} 2045}
1552 2046
1553unsigned int 2047unsigned int ecb_cold
1554ev_recommended_backends (void) 2048ev_recommended_backends (void)
1555{ 2049{
1556 unsigned int flags = ev_supported_backends (); 2050 unsigned int flags = ev_supported_backends ();
1557 2051
1558#ifndef __NetBSD__ 2052#ifndef __NetBSD__
… …
1570#endif 2064#endif
1571 2065
1572 return flags; 2066 return flags;
1573} 2067}
1574 2068
1575unsigned int 2069unsigned int ecb_cold
1576ev_embeddable_backends (void) 2070ev_embeddable_backends (void)
1577{ 2071{
1578 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2072 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1579 2073
1580 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2074 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
… …
1625ev_userdata (EV_P) 2119ev_userdata (EV_P)
1626{ 2120{
1627 return userdata; 2121 return userdata;
1628} 2122}
1629 2123
2124void
1630void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2125ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
1631{ 2126{
1632 invoke_cb = invoke_pending_cb; 2127 invoke_cb = invoke_pending_cb;
1633} 2128}
1634 2129
2130void
1635void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2131ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))
1636{ 2132{
1637 release_cb = release; 2133 release_cb = release;
1638 acquire_cb = acquire; 2134 acquire_cb = acquire;
1639} 2135}
1640#endif 2136#endif
1641 2137
1642/* initialise a loop structure, must be zero-initialised */ 2138/* initialise a loop structure, must be zero-initialised */
1643static void noinline 2139static void noinline ecb_cold
1644loop_init (EV_P_ unsigned int flags) 2140loop_init (EV_P_ unsigned int flags)
1645{ 2141{
1646 if (!backend) 2142 if (!backend)
1647 { 2143 {
2144 origflags = flags;
2145
1648#if EV_USE_REALTIME 2146#if EV_USE_REALTIME
1649 if (!have_realtime) 2147 if (!have_realtime)
1650 { 2148 {
1651 struct timespec ts; 2149 struct timespec ts;
1652 2150
… …
1674 if (!(flags & EVFLAG_NOENV) 2172 if (!(flags & EVFLAG_NOENV)
1675 && !enable_secure () 2173 && !enable_secure ()
1676 && getenv ("LIBEV_FLAGS")) 2174 && getenv ("LIBEV_FLAGS"))
1677 flags = atoi (getenv ("LIBEV_FLAGS")); 2175 flags = atoi (getenv ("LIBEV_FLAGS"));
1678 2176
1679 ev_rt_now = ev_time (); 2177 ev_rt_now = ev_time ();
1680 mn_now = get_clock (); 2178 mn_now = get_clock ();
1681 now_floor = mn_now; 2179 now_floor = mn_now;
1682 rtmn_diff = ev_rt_now - mn_now; 2180 rtmn_diff = ev_rt_now - mn_now;
1683#if EV_FEATURE_API 2181#if EV_FEATURE_API
1684 invoke_cb = ev_invoke_pending; 2182 invoke_cb = ev_invoke_pending;
1685#endif 2183#endif
1686 2184
1687 io_blocktime = 0.; 2185 io_blocktime = 0.;
1688 timeout_blocktime = 0.; 2186 timeout_blocktime = 0.;
1689 backend = 0; 2187 backend = 0;
1690 backend_fd = -1; 2188 backend_fd = -1;
1691 sig_pending = 0; 2189 sig_pending = 0;
1692#if EV_ASYNC_ENABLE 2190#if EV_ASYNC_ENABLE
1693 async_pending = 0; 2191 async_pending = 0;
1694#endif 2192#endif
2193 pipe_write_skipped = 0;
2194 pipe_write_wanted = 0;
1695#if EV_USE_INOTIFY 2195#if EV_USE_INOTIFY
1696 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2196 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1697#endif 2197#endif
1698#if EV_USE_SIGNALFD 2198#if EV_USE_SIGNALFD
1699 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2199 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1700#endif 2200#endif
1701 2201
1702 if (!(flags & 0x0000ffffU)) 2202 if (!(flags & EVBACKEND_MASK))
1703 flags |= ev_recommended_backends (); 2203 flags |= ev_recommended_backends ();
1704 2204
1705#if EV_USE_IOCP 2205#if EV_USE_IOCP
1706 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); 2206 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1707#endif 2207#endif
… …
1729#endif 2229#endif
1730 } 2230 }
1731} 2231}
1732 2232
1733/* free up a loop structure */ 2233/* free up a loop structure */
1734void 2234void ecb_cold
1735ev_loop_destroy (EV_P) 2235ev_loop_destroy (EV_P)
1736{ 2236{
1737 int i; 2237 int i;
1738 2238
1739#if EV_MULTIPLICITY 2239#if EV_MULTIPLICITY
… …
1869 infy_fork (EV_A); 2369 infy_fork (EV_A);
1870#endif 2370#endif
1871 2371
1872 if (ev_is_active (&pipe_w)) 2372 if (ev_is_active (&pipe_w))
1873 { 2373 {
1874 /* this "locks" the handlers against writing to the pipe */ 2374 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
1875 /* while we modify the fd vars */
1876 sig_pending = 1;
1877#if EV_ASYNC_ENABLE
1878 async_pending = 1;
1879#endif
1880 2375
1881 ev_ref (EV_A); 2376 ev_ref (EV_A);
1882 ev_io_stop (EV_A_ &pipe_w); 2377 ev_io_stop (EV_A_ &pipe_w);
1883 2378
1884#if EV_USE_EVENTFD 2379#if EV_USE_EVENTFD
… …
1902 postfork = 0; 2397 postfork = 0;
1903} 2398}
1904 2399
1905#if EV_MULTIPLICITY 2400#if EV_MULTIPLICITY
1906 2401
1907struct ev_loop * 2402struct ev_loop * ecb_cold
1908ev_loop_new (unsigned int flags) 2403ev_loop_new (unsigned int flags)
1909{ 2404{
1910 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2405 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1911 2406
1912 memset (EV_A, 0, sizeof (struct ev_loop)); 2407 memset (EV_A, 0, sizeof (struct ev_loop));
… …
1920} 2415}
1921 2416
1922#endif /* multiplicity */ 2417#endif /* multiplicity */
1923 2418
1924#if EV_VERIFY 2419#if EV_VERIFY
1925static void noinline 2420static void noinline ecb_cold
1926verify_watcher (EV_P_ W w) 2421verify_watcher (EV_P_ W w)
1927{ 2422{
1928 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 2423 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1929 2424
1930 if (w->pending) 2425 if (w->pending)
1931 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 2426 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1932} 2427}
1933 2428
1934static void noinline 2429static void noinline ecb_cold
1935verify_heap (EV_P_ ANHE *heap, int N) 2430verify_heap (EV_P_ ANHE *heap, int N)
1936{ 2431{
1937 int i; 2432 int i;
1938 2433
1939 for (i = HEAP0; i < N + HEAP0; ++i) 2434 for (i = HEAP0; i < N + HEAP0; ++i)
… …
1944 2439
1945 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 2440 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1946 } 2441 }
1947} 2442}
1948 2443
1949static void noinline 2444static void noinline ecb_cold
1950array_verify (EV_P_ W *ws, int cnt) 2445array_verify (EV_P_ W *ws, int cnt)
1951{ 2446{
1952 while (cnt--) 2447 while (cnt--)
1953 { 2448 {
1954 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 2449 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
… …
1956 } 2451 }
1957} 2452}
1958#endif 2453#endif
1959 2454
1960#if EV_FEATURE_API 2455#if EV_FEATURE_API
1961void 2456void ecb_cold
1962ev_verify (EV_P) 2457ev_verify (EV_P)
1963{ 2458{
1964#if EV_VERIFY 2459#if EV_VERIFY
1965 int i; 2460 int i;
1966 WL w; 2461 WL w;
… …
2032#endif 2527#endif
2033} 2528}
2034#endif 2529#endif
2035 2530
2036#if EV_MULTIPLICITY 2531#if EV_MULTIPLICITY
2037struct ev_loop * 2532struct ev_loop * ecb_cold
2038#else 2533#else
2039int 2534int
2040#endif 2535#endif
2041ev_default_loop (unsigned int flags) 2536ev_default_loop (unsigned int flags)
2042{ 2537{
… …
2100 for (pri = NUMPRI; pri--; ) 2595 for (pri = NUMPRI; pri--; )
2101 while (pendingcnt [pri]) 2596 while (pendingcnt [pri])
2102 { 2597 {
2103 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2598 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
2104 2599
2105 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2106 /* ^ this is no longer true, as pending_w could be here */
2107
2108 p->w->pending = 0; 2600 p->w->pending = 0;
2109 EV_CB_INVOKE (p->w, p->events); 2601 EV_CB_INVOKE (p->w, p->events);
2110 EV_FREQUENT_CHECK; 2602 EV_FREQUENT_CHECK;
2111 } 2603 }
2112} 2604}
… …
2173 feed_reverse_done (EV_A_ EV_TIMER); 2665 feed_reverse_done (EV_A_ EV_TIMER);
2174 } 2666 }
2175} 2667}
2176 2668
2177#if EV_PERIODIC_ENABLE 2669#if EV_PERIODIC_ENABLE
2670
2671static void noinline
2672periodic_recalc (EV_P_ ev_periodic *w)
2673{
2674 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
2675 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
2676
2677 /* the above almost always errs on the low side */
2678 while (at <= ev_rt_now)
2679 {
2680 ev_tstamp nat = at + w->interval;
2681
2682 /* when resolution fails us, we use ev_rt_now */
2683 if (expect_false (nat == at))
2684 {
2685 at = ev_rt_now;
2686 break;
2687 }
2688
2689 at = nat;
2690 }
2691
2692 ev_at (w) = at;
2693}
2694
2178/* make periodics pending */ 2695/* make periodics pending */
2179inline_size void 2696inline_size void
2180periodics_reify (EV_P) 2697periodics_reify (EV_P)
2181{ 2698{
2182 EV_FREQUENT_CHECK; 2699 EV_FREQUENT_CHECK;
… …
2201 ANHE_at_cache (periodics [HEAP0]); 2718 ANHE_at_cache (periodics [HEAP0]);
2202 downheap (periodics, periodiccnt, HEAP0); 2719 downheap (periodics, periodiccnt, HEAP0);
2203 } 2720 }
2204 else if (w->interval) 2721 else if (w->interval)
2205 { 2722 {
2206 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2723 periodic_recalc (EV_A_ w);
2207 /* if next trigger time is not sufficiently in the future, put it there */
2208 /* this might happen because of floating point inexactness */
2209 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2210 {
2211 ev_at (w) += w->interval;
2212
2213 /* if interval is unreasonably low we might still have a time in the past */
2214 /* so correct this. this will make the periodic very inexact, but the user */
2215 /* has effectively asked to get triggered more often than possible */
2216 if (ev_at (w) < ev_rt_now)
2217 ev_at (w) = ev_rt_now;
2218 }
2219
2220 ANHE_at_cache (periodics [HEAP0]); 2724 ANHE_at_cache (periodics [HEAP0]);
2221 downheap (periodics, periodiccnt, HEAP0); 2725 downheap (periodics, periodiccnt, HEAP0);
2222 } 2726 }
2223 else 2727 else
2224 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 2728 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
… …
2232 } 2736 }
2233} 2737}
2234 2738
2235/* simply recalculate all periodics */ 2739/* simply recalculate all periodics */
2236/* TODO: maybe ensure that at least one event happens when jumping forward? */ 2740/* TODO: maybe ensure that at least one event happens when jumping forward? */
2237static void noinline 2741static void noinline ecb_cold
2238periodics_reschedule (EV_P) 2742periodics_reschedule (EV_P)
2239{ 2743{
2240 int i; 2744 int i;
2241 2745
2242 /* adjust periodics after time jump */ 2746 /* adjust periodics after time jump */
… …
2245 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); 2749 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
2246 2750
2247 if (w->reschedule_cb) 2751 if (w->reschedule_cb)
2248 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2752 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2249 else if (w->interval) 2753 else if (w->interval)
2250 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2754 periodic_recalc (EV_A_ w);
2251 2755
2252 ANHE_at_cache (periodics [i]); 2756 ANHE_at_cache (periodics [i]);
2253 } 2757 }
2254 2758
2255 reheap (periodics, periodiccnt); 2759 reheap (periodics, periodiccnt);
2256} 2760}
2257#endif 2761#endif
2258 2762
2259/* adjust all timers by a given offset */ 2763/* adjust all timers by a given offset */
2260static void noinline 2764static void noinline ecb_cold
2261timers_reschedule (EV_P_ ev_tstamp adjust) 2765timers_reschedule (EV_P_ ev_tstamp adjust)
2262{ 2766{
2263 int i; 2767 int i;
2264 2768
2265 for (i = 0; i < timercnt; ++i) 2769 for (i = 0; i < timercnt; ++i)
… …
2302 * doesn't hurt either as we only do this on time-jumps or 2806 * doesn't hurt either as we only do this on time-jumps or
2303 * in the unlikely event of having been preempted here. 2807 * in the unlikely event of having been preempted here.
2304 */ 2808 */
2305 for (i = 4; --i; ) 2809 for (i = 4; --i; )
2306 { 2810 {
2811 ev_tstamp diff;
2307 rtmn_diff = ev_rt_now - mn_now; 2812 rtmn_diff = ev_rt_now - mn_now;
2308 2813
2814 diff = odiff - rtmn_diff;
2815
2309 if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) 2816 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
2310 return; /* all is well */ 2817 return; /* all is well */
2311 2818
2312 ev_rt_now = ev_time (); 2819 ev_rt_now = ev_time ();
2313 mn_now = get_clock (); 2820 mn_now = get_clock ();
2314 now_floor = mn_now; 2821 now_floor = mn_now;
… …
2404 ev_tstamp prev_mn_now = mn_now; 2911 ev_tstamp prev_mn_now = mn_now;
2405 2912
2406 /* update time to cancel out callback processing overhead */ 2913 /* update time to cancel out callback processing overhead */
2407 time_update (EV_A_ 1e100); 2914 time_update (EV_A_ 1e100);
2408 2915
2916 /* from now on, we want a pipe-wake-up */
2917 pipe_write_wanted = 1;
2918
2919 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2920
2409 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) 2921 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2410 { 2922 {
2411 waittime = MAX_BLOCKTIME; 2923 waittime = MAX_BLOCKTIME;
2412 2924
2413 if (timercnt) 2925 if (timercnt)
2414 { 2926 {
2415 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2927 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
2416 if (waittime > to) waittime = to; 2928 if (waittime > to) waittime = to;
2417 } 2929 }
2418 2930
2419#if EV_PERIODIC_ENABLE 2931#if EV_PERIODIC_ENABLE
2420 if (periodiccnt) 2932 if (periodiccnt)
2421 { 2933 {
2422 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; 2934 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now;
2423 if (waittime > to) waittime = to; 2935 if (waittime > to) waittime = to;
2424 } 2936 }
2425#endif 2937#endif
2426 2938
2427 /* don't let timeouts decrease the waittime below timeout_blocktime */ 2939 /* don't let timeouts decrease the waittime below timeout_blocktime */
2428 if (expect_false (waittime < timeout_blocktime)) 2940 if (expect_false (waittime < timeout_blocktime))
2429 waittime = timeout_blocktime; 2941 waittime = timeout_blocktime;
2942
2943 /* at this point, we NEED to wait, so we have to ensure */
2944 /* to pass a minimum nonzero value to the backend */
2945 if (expect_false (waittime < backend_mintime))
2946 waittime = backend_mintime;
2430 2947
2431 /* extra check because io_blocktime is commonly 0 */ 2948 /* extra check because io_blocktime is commonly 0 */
2432 if (expect_false (io_blocktime)) 2949 if (expect_false (io_blocktime))
2433 { 2950 {
2434 sleeptime = io_blocktime - (mn_now - prev_mn_now); 2951 sleeptime = io_blocktime - (mn_now - prev_mn_now);
2435 2952
2436 if (sleeptime > waittime - backend_fudge) 2953 if (sleeptime > waittime - backend_mintime)
2437 sleeptime = waittime - backend_fudge; 2954 sleeptime = waittime - backend_mintime;
2438 2955
2439 if (expect_true (sleeptime > 0.)) 2956 if (expect_true (sleeptime > 0.))
2440 { 2957 {
2441 ev_sleep (sleeptime); 2958 ev_sleep (sleeptime);
2442 waittime -= sleeptime; 2959 waittime -= sleeptime;
… …
2448 ++loop_count; 2965 ++loop_count;
2449#endif 2966#endif
2450 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 2967 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2451 backend_poll (EV_A_ waittime); 2968 backend_poll (EV_A_ waittime);
2452 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 2969 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2970
2971 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */
2972
2973 if (pipe_write_skipped)
2974 {
2975 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2976 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2977 }
2978
2453 2979
2454 /* update ev_rt_now, do magic */ 2980 /* update ev_rt_now, do magic */
2455 time_update (EV_A_ waittime + sleeptime); 2981 time_update (EV_A_ waittime + sleeptime);
2456 } 2982 }
2457 2983
… …
2747 if (w->reschedule_cb) 3273 if (w->reschedule_cb)
2748 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 3274 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2749 else if (w->interval) 3275 else if (w->interval)
2750 { 3276 {
2751 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); 3277 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2752 /* this formula differs from the one in periodic_reify because we do not always round up */ 3278 periodic_recalc (EV_A_ w);
2753 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2754 } 3279 }
2755 else 3280 else
2756 ev_at (w) = w->offset; 3281 ev_at (w) = w->offset;
2757 3282
2758 EV_FREQUENT_CHECK; 3283 EV_FREQUENT_CHECK;
… …
2879 sa.sa_handler = ev_sighandler; 3404 sa.sa_handler = ev_sighandler;
2880 sigfillset (&sa.sa_mask); 3405 sigfillset (&sa.sa_mask);
2881 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 3406 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2882 sigaction (w->signum, &sa, 0); 3407 sigaction (w->signum, &sa, 0);
2883 3408
3409 if (origflags & EVFLAG_NOSIGMASK)
3410 {
2884 sigemptyset (&sa.sa_mask); 3411 sigemptyset (&sa.sa_mask);
2885 sigaddset (&sa.sa_mask, w->signum); 3412 sigaddset (&sa.sa_mask, w->signum);
2886 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 3413 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
3414 }
2887#endif 3415#endif
2888 } 3416 }
2889 3417
2890 EV_FREQUENT_CHECK; 3418 EV_FREQUENT_CHECK;
2891} 3419}
… …
3032 if (!pend || pend == path) 3560 if (!pend || pend == path)
3033 break; 3561 break;
3034 3562
3035 *pend = 0; 3563 *pend = 0;
3036 w->wd = inotify_add_watch (fs_fd, path, mask); 3564 w->wd = inotify_add_watch (fs_fd, path, mask);
3037 } 3565 }
3038 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3566 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
3039 } 3567 }
3040 } 3568 }
3041 3569
3042 if (w->wd >= 0) 3570 if (w->wd >= 0)
… …
3109 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3637 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3110 ofs += sizeof (struct inotify_event) + ev->len; 3638 ofs += sizeof (struct inotify_event) + ev->len;
3111 } 3639 }
3112} 3640}
3113 3641
3114inline_size void 3642inline_size void ecb_cold
3115ev_check_2625 (EV_P) 3643ev_check_2625 (EV_P)
3116{ 3644{
3117 /* kernels < 2.6.25 are borked 3645 /* kernels < 2.6.25 are borked
3118 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3646 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3119 */ 3647 */
… …
3744} 4272}
3745 4273
3746/*****************************************************************************/ 4274/*****************************************************************************/
3747 4275
3748#if EV_WALK_ENABLE 4276#if EV_WALK_ENABLE
3749void 4277void ecb_cold
3750ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4278ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
3751{ 4279{
3752 int i, j; 4280 int i, j;
3753 ev_watcher_list *wl, *wn; 4281 ev_watcher_list *wl, *wn;
3754 4282
… …
3798 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4326 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3799#endif 4327#endif
3800 4328
3801#if EV_IDLE_ENABLE 4329#if EV_IDLE_ENABLE
3802 if (types & EV_IDLE) 4330 if (types & EV_IDLE)
3803 for (j = NUMPRI; i--; ) 4331 for (j = NUMPRI; j--; )
3804 for (i = idlecnt [j]; i--; ) 4332 for (i = idlecnt [j]; i--; )
3805 cb (EV_A_ EV_IDLE, idles [j][i]); 4333 cb (EV_A_ EV_IDLE, idles [j][i]);
3806#endif 4334#endif
3807 4335
3808#if EV_FORK_ENABLE 4336#if EV_FORK_ENABLE

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines