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Comparing libev/ev.c (file contents):
Revision 1.368 by root, Mon Jan 17 12:11:11 2011 UTC vs.
Revision 1.400 by root, Sat Oct 15 09:05:03 2011 UTC

… …
4 * Copyright (c) 2007,2008,2009,2010,2011 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
… …
177#ifdef EV_H 182#ifdef EV_H
178# include EV_H 183# include EV_H
179#else 184#else
180# include "ev.h" 185# include "ev.h"
181#endif 186#endif
182
183EV_CPP(extern "C" {)
184 187
185#ifndef _WIN32 188#ifndef _WIN32
186# include <sys/time.h> 189# include <sys/time.h>
187# include <sys/wait.h> 190# include <sys/wait.h>
188# include <unistd.h> 191# include <unistd.h>
… …
232/* to make it compile regardless, just remove the above line, */ 235/* to make it compile regardless, just remove the above line, */
233/* but consider reporting it, too! :) */ 236/* but consider reporting it, too! :) */
234# define EV_NSIG 65 237# define EV_NSIG 65
235#endif 238#endif
236 239
240#ifndef EV_USE_FLOOR
241# define EV_USE_FLOOR 0
242#endif
243
237#ifndef EV_USE_CLOCK_SYSCALL 244#ifndef EV_USE_CLOCK_SYSCALL
238# if __linux && __GLIBC__ >= 2 245# if __linux && __GLIBC__ >= 2
239# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS 246# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
240# else 247# else
241# define EV_USE_CLOCK_SYSCALL 0 248# define EV_USE_CLOCK_SYSCALL 0
… …
376# undef EV_USE_INOTIFY 383# undef EV_USE_INOTIFY
377# define EV_USE_INOTIFY 0 384# define EV_USE_INOTIFY 0
378#endif 385#endif
379 386
380#if !EV_USE_NANOSLEEP 387#if !EV_USE_NANOSLEEP
381# ifndef _WIN32 388/* hp-ux has it in sys/time.h, which we unconditionally include above */
389# if !defined(_WIN32) && !defined(__hpux)
382# include <sys/select.h> 390# include <sys/select.h>
383# endif 391# endif
384#endif 392#endif
385 393
386#if EV_USE_INOTIFY 394#if EV_USE_INOTIFY
… …
442#else 450#else
443# define EV_FREQUENT_CHECK do { } while (0) 451# define EV_FREQUENT_CHECK do { } while (0)
444#endif 452#endif
445 453
446/* 454/*
447 * This is used to avoid floating point rounding problems. 455 * 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. 456 * This value is good at least till the year 4000.
452 * Better solutions welcome.
453 */ 457 */
454#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 458#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
459/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
455 460
456#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 461#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) */ 462#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
458 463
459#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 464#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) 465#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
461 466
467/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
468/* ECB.H BEGIN */
469/*
470 * libecb - http://software.schmorp.de/pkg/libecb
471 *
472 * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>
473 * Copyright (©) 2011 Emanuele Giaquinta
474 * All rights reserved.
475 *
476 * Redistribution and use in source and binary forms, with or without modifica-
477 * tion, are permitted provided that the following conditions are met:
478 *
479 * 1. Redistributions of source code must retain the above copyright notice,
480 * this list of conditions and the following disclaimer.
481 *
482 * 2. Redistributions in binary form must reproduce the above copyright
483 * notice, this list of conditions and the following disclaimer in the
484 * documentation and/or other materials provided with the distribution.
485 *
486 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
487 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
488 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
489 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
490 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
491 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
492 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
493 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
494 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
495 * OF THE POSSIBILITY OF SUCH DAMAGE.
496 */
497
498#ifndef ECB_H
499#define ECB_H
500
501#ifdef _WIN32
502 typedef signed char int8_t;
503 typedef unsigned char uint8_t;
504 typedef signed short int16_t;
505 typedef unsigned short uint16_t;
506 typedef signed int int32_t;
507 typedef unsigned int uint32_t;
462#if __GNUC__ >= 4 508 #if __GNUC__
463# define expect(expr,value) __builtin_expect ((expr),(value)) 509 typedef signed long long int64_t;
464# define noinline __attribute__ ((noinline)) 510 typedef unsigned long long uint64_t;
511 #else /* _MSC_VER || __BORLANDC__ */
512 typedef signed __int64 int64_t;
513 typedef unsigned __int64 uint64_t;
514 #endif
465#else 515#else
466# define expect(expr,value) (expr) 516 #include <inttypes.h>
467# define noinline
468# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
469# define inline
470# endif 517#endif
518
519/* many compilers define _GNUC_ to some versions but then only implement
520 * what their idiot authors think are the "more important" extensions,
521 * causing enormous grief in return for some better fake benchmark numbers.
522 * or so.
523 * we try to detect these and simply assume they are not gcc - if they have
524 * an issue with that they should have done it right in the first place.
525 */
526#ifndef ECB_GCC_VERSION
527 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)
528 #define ECB_GCC_VERSION(major,minor) 0
529 #else
530 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
471#endif 531 #endif
532#endif
472 533
534/*****************************************************************************/
535
536/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
537/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538
539#if ECB_NO_THREADS || ECB_NO_SMP
540 #define ECB_MEMORY_FENCE do { } while (0)
541#endif
542
543#ifndef ECB_MEMORY_FENCE
544 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__)
545 #if __i386__
546 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
547 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
548 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
549 #elif __amd64
550 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
552 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
553 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \
556 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)
557 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
558 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \
559 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )
560 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
561 #endif
562 #endif
563#endif
564
565#ifndef ECB_MEMORY_FENCE
566 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)
567 #define ECB_MEMORY_FENCE __sync_synchronize ()
568 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
569 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
570 #elif _MSC_VER >= 1400 /* VC++ 2005 */
571 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
572 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
573 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
574 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
575 #elif defined(_WIN32)
576 #include <WinNT.h>
577 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
578 #endif
579#endif
580
581#ifndef ECB_MEMORY_FENCE
582 #if !ECB_AVOID_PTHREADS
583 /*
584 * if you get undefined symbol references to pthread_mutex_lock,
585 * or failure to find pthread.h, then you should implement
586 * the ECB_MEMORY_FENCE operations for your cpu/compiler
587 * OR provide pthread.h and link against the posix thread library
588 * of your system.
589 */
590 #include <pthread.h>
591 #define ECB_NEEDS_PTHREADS 1
592 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
593
594 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
595 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
596 #endif
597#endif
598
599#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)
600 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
601#endif
602
603#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)
604 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
605#endif
606
607/*****************************************************************************/
608
609#define ECB_C99 (__STDC_VERSION__ >= 199901L)
610
611#if __cplusplus
612 #define ecb_inline static inline
613#elif ECB_GCC_VERSION(2,5)
614 #define ecb_inline static __inline__
615#elif ECB_C99
616 #define ecb_inline static inline
617#else
618 #define ecb_inline static
619#endif
620
621#if ECB_GCC_VERSION(3,3)
622 #define ecb_restrict __restrict__
623#elif ECB_C99
624 #define ecb_restrict restrict
625#else
626 #define ecb_restrict
627#endif
628
629typedef int ecb_bool;
630
631#define ECB_CONCAT_(a, b) a ## b
632#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
633#define ECB_STRINGIFY_(a) # a
634#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
635
636#define ecb_function_ ecb_inline
637
638#if ECB_GCC_VERSION(3,1)
639 #define ecb_attribute(attrlist) __attribute__(attrlist)
640 #define ecb_is_constant(expr) __builtin_constant_p (expr)
641 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
642 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
643#else
644 #define ecb_attribute(attrlist)
645 #define ecb_is_constant(expr) 0
646 #define ecb_expect(expr,value) (expr)
647 #define ecb_prefetch(addr,rw,locality)
648#endif
649
650/* no emulation for ecb_decltype */
651#if ECB_GCC_VERSION(4,5)
652 #define ecb_decltype(x) __decltype(x)
653#elif ECB_GCC_VERSION(3,0)
654 #define ecb_decltype(x) __typeof(x)
655#endif
656
657#define ecb_noinline ecb_attribute ((__noinline__))
658#define ecb_noreturn ecb_attribute ((__noreturn__))
659#define ecb_unused ecb_attribute ((__unused__))
660#define ecb_const ecb_attribute ((__const__))
661#define ecb_pure ecb_attribute ((__pure__))
662
663#if ECB_GCC_VERSION(4,3)
664 #define ecb_artificial ecb_attribute ((__artificial__))
665 #define ecb_hot ecb_attribute ((__hot__))
666 #define ecb_cold ecb_attribute ((__cold__))
667#else
668 #define ecb_artificial
669 #define ecb_hot
670 #define ecb_cold
671#endif
672
673/* put around conditional expressions if you are very sure that the */
674/* expression is mostly true or mostly false. note that these return */
675/* booleans, not the expression. */
473#define expect_false(expr) expect ((expr) != 0, 0) 676#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
474#define expect_true(expr) expect ((expr) != 0, 1) 677#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
678/* for compatibility to the rest of the world */
679#define ecb_likely(expr) ecb_expect_true (expr)
680#define ecb_unlikely(expr) ecb_expect_false (expr)
681
682/* count trailing zero bits and count # of one bits */
683#if ECB_GCC_VERSION(3,4)
684 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
685 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
686 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
687 #define ecb_ctz32(x) __builtin_ctz (x)
688 #define ecb_ctz64(x) __builtin_ctzll (x)
689 #define ecb_popcount32(x) __builtin_popcount (x)
690 /* no popcountll */
691#else
692 ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
693 ecb_function_ int
694 ecb_ctz32 (uint32_t x)
695 {
696 int r = 0;
697
698 x &= ~x + 1; /* this isolates the lowest bit */
699
700#if ECB_branchless_on_i386
701 r += !!(x & 0xaaaaaaaa) << 0;
702 r += !!(x & 0xcccccccc) << 1;
703 r += !!(x & 0xf0f0f0f0) << 2;
704 r += !!(x & 0xff00ff00) << 3;
705 r += !!(x & 0xffff0000) << 4;
706#else
707 if (x & 0xaaaaaaaa) r += 1;
708 if (x & 0xcccccccc) r += 2;
709 if (x & 0xf0f0f0f0) r += 4;
710 if (x & 0xff00ff00) r += 8;
711 if (x & 0xffff0000) r += 16;
712#endif
713
714 return r;
715 }
716
717 ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
718 ecb_function_ int
719 ecb_ctz64 (uint64_t x)
720 {
721 int shift = x & 0xffffffffU ? 0 : 32;
722 return ecb_ctz32 (x >> shift) + shift;
723 }
724
725 ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
726 ecb_function_ int
727 ecb_popcount32 (uint32_t x)
728 {
729 x -= (x >> 1) & 0x55555555;
730 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
731 x = ((x >> 4) + x) & 0x0f0f0f0f;
732 x *= 0x01010101;
733
734 return x >> 24;
735 }
736
737 ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
738 ecb_function_ int ecb_ld32 (uint32_t x)
739 {
740 int r = 0;
741
742 if (x >> 16) { x >>= 16; r += 16; }
743 if (x >> 8) { x >>= 8; r += 8; }
744 if (x >> 4) { x >>= 4; r += 4; }
745 if (x >> 2) { x >>= 2; r += 2; }
746 if (x >> 1) { r += 1; }
747
748 return r;
749 }
750
751 ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
752 ecb_function_ int ecb_ld64 (uint64_t x)
753 {
754 int r = 0;
755
756 if (x >> 32) { x >>= 32; r += 32; }
757
758 return r + ecb_ld32 (x);
759 }
760#endif
761
762/* popcount64 is only available on 64 bit cpus as gcc builtin */
763/* so for this version we are lazy */
764ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
765ecb_function_ int
766ecb_popcount64 (uint64_t x)
767{
768 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
769}
770
771ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
772ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
773ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
774ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
775ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
776ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
777ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
778ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
779
780ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
781ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
782ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
783ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
784ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
785ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
786ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
787ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
788
789#if ECB_GCC_VERSION(4,3)
790 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
791 #define ecb_bswap32(x) __builtin_bswap32 (x)
792 #define ecb_bswap64(x) __builtin_bswap64 (x)
793#else
794 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
795 ecb_function_ uint16_t
796 ecb_bswap16 (uint16_t x)
797 {
798 return ecb_rotl16 (x, 8);
799 }
800
801 ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
802 ecb_function_ uint32_t
803 ecb_bswap32 (uint32_t x)
804 {
805 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
806 }
807
808 ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
809 ecb_function_ uint64_t
810 ecb_bswap64 (uint64_t x)
811 {
812 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
813 }
814#endif
815
816#if ECB_GCC_VERSION(4,5)
817 #define ecb_unreachable() __builtin_unreachable ()
818#else
819 /* this seems to work fine, but gcc always emits a warning for it :/ */
820 ecb_function_ void ecb_unreachable (void) ecb_noreturn;
821 ecb_function_ void ecb_unreachable (void) { }
822#endif
823
824/* try to tell the compiler that some condition is definitely true */
825#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
826
827ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;
828ecb_function_ unsigned char
829ecb_byteorder_helper (void)
830{
831 const uint32_t u = 0x11223344;
832 return *(unsigned char *)&u;
833}
834
835ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;
836ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
837ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;
838ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
839
840#if ECB_GCC_VERSION(3,0) || ECB_C99
841 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
842#else
843 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
844#endif
845
846#if __cplusplus
847 template<typename T>
848 static inline T ecb_div_rd (T val, T div)
849 {
850 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
851 }
852 template<typename T>
853 static inline T ecb_div_ru (T val, T div)
854 {
855 return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
856 }
857#else
858 #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
859 #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
860#endif
861
862#if ecb_cplusplus_does_not_suck
863 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
864 template<typename T, int N>
865 static inline int ecb_array_length (const T (&arr)[N])
866 {
867 return N;
868 }
869#else
870 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
871#endif
872
873#endif
874
875/* ECB.H END */
876
877#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
878/* if your architecture doesn't need memory fences, e.g. because it is
879 * single-cpu/core, or if you use libev in a project that doesn't use libev
880 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
881 * libev, in which casess the memory fences become nops.
882 * alternatively, you can remove this #error and link against libpthread,
883 * which will then provide the memory fences.
884 */
885# error "memory fences not defined for your architecture, please report"
886#endif
887
888#ifndef ECB_MEMORY_FENCE
889# define ECB_MEMORY_FENCE do { } while (0)
890# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
891# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
892#endif
893
894#define expect_false(cond) ecb_expect_false (cond)
895#define expect_true(cond) ecb_expect_true (cond)
896#define noinline ecb_noinline
897
475#define inline_size static inline 898#define inline_size ecb_inline
476 899
477#if EV_FEATURE_CODE 900#if EV_FEATURE_CODE
478# define inline_speed static inline 901# define inline_speed ecb_inline
479#else 902#else
480# define inline_speed static noinline 903# define inline_speed static noinline
481#endif 904#endif
482 905
483#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 906#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
… …
522# include "ev_win32.c" 945# include "ev_win32.c"
523#endif 946#endif
524 947
525/*****************************************************************************/ 948/*****************************************************************************/
526 949
950/* define a suitable floor function (only used by periodics atm) */
951
952#if EV_USE_FLOOR
953# include <math.h>
954# define ev_floor(v) floor (v)
955#else
956
957#include <float.h>
958
959/* a floor() replacement function, should be independent of ev_tstamp type */
960static ev_tstamp noinline
961ev_floor (ev_tstamp v)
962{
963 /* the choice of shift factor is not terribly important */
964#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
965 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
966#else
967 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
968#endif
969
970 /* argument too large for an unsigned long? */
971 if (expect_false (v >= shift))
972 {
973 ev_tstamp f;
974
975 if (v == v - 1.)
976 return v; /* very large number */
977
978 f = shift * ev_floor (v * (1. / shift));
979 return f + ev_floor (v - f);
980 }
981
982 /* special treatment for negative args? */
983 if (expect_false (v < 0.))
984 {
985 ev_tstamp f = -ev_floor (-v);
986
987 return f - (f == v ? 0 : 1);
988 }
989
990 /* fits into an unsigned long */
991 return (unsigned long)v;
992}
993
994#endif
995
996/*****************************************************************************/
997
527#ifdef __linux 998#ifdef __linux
528# include <sys/utsname.h> 999# include <sys/utsname.h>
529#endif 1000#endif
530 1001
531static unsigned int noinline 1002static unsigned int noinline ecb_cold
532ev_linux_version (void) 1003ev_linux_version (void)
533{ 1004{
534#ifdef __linux 1005#ifdef __linux
535 unsigned int v = 0; 1006 unsigned int v = 0;
536 struct utsname buf; 1007 struct utsname buf;
… …
565} 1036}
566 1037
567/*****************************************************************************/ 1038/*****************************************************************************/
568 1039
569#if EV_AVOID_STDIO 1040#if EV_AVOID_STDIO
570static void noinline 1041static void noinline ecb_cold
571ev_printerr (const char *msg) 1042ev_printerr (const char *msg)
572{ 1043{
573 write (STDERR_FILENO, msg, strlen (msg)); 1044 write (STDERR_FILENO, msg, strlen (msg));
574} 1045}
575#endif 1046#endif
576 1047
577static void (*syserr_cb)(const char *msg); 1048static void (*syserr_cb)(const char *msg);
578 1049
579void 1050void ecb_cold
580ev_set_syserr_cb (void (*cb)(const char *msg)) 1051ev_set_syserr_cb (void (*cb)(const char *msg))
581{ 1052{
582 syserr_cb = cb; 1053 syserr_cb = cb;
583} 1054}
584 1055
585static void noinline 1056static void noinline ecb_cold
586ev_syserr (const char *msg) 1057ev_syserr (const char *msg)
587{ 1058{
588 if (!msg) 1059 if (!msg)
589 msg = "(libev) system error"; 1060 msg = "(libev) system error";
590 1061
… …
623#endif 1094#endif
624} 1095}
625 1096
626static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1097static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
627 1098
628void 1099void ecb_cold
629ev_set_allocator (void *(*cb)(void *ptr, long size)) 1100ev_set_allocator (void *(*cb)(void *ptr, long size))
630{ 1101{
631 alloc = cb; 1102 alloc = cb;
632} 1103}
633 1104
… …
815 select (0, 0, 0, 0, &tv); 1286 select (0, 0, 0, 0, &tv);
816#endif 1287#endif
817 } 1288 }
818} 1289}
819 1290
820inline_speed int
821ev_timeout_to_ms (ev_tstamp timeout)
822{
823 int ms = timeout * 1000. + .999999;
824
825 return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
826}
827
828/*****************************************************************************/ 1291/*****************************************************************************/
829 1292
830#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 1293#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
831 1294
832/* find a suitable new size for the given array, */ 1295/* find a suitable new size for the given array, */
… …
838 1301
839 do 1302 do
840 ncur <<= 1; 1303 ncur <<= 1;
841 while (cnt > ncur); 1304 while (cnt > ncur);
842 1305
843 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ 1306 /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
844 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1307 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
845 { 1308 {
846 ncur *= elem; 1309 ncur *= elem;
847 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); 1310 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
848 ncur = ncur - sizeof (void *) * 4; 1311 ncur = ncur - sizeof (void *) * 4;
… …
850 } 1313 }
851 1314
852 return ncur; 1315 return ncur;
853} 1316}
854 1317
855static noinline void * 1318static void * noinline ecb_cold
856array_realloc (int elem, void *base, int *cur, int cnt) 1319array_realloc (int elem, void *base, int *cur, int cnt)
857{ 1320{
858 *cur = array_nextsize (elem, *cur, cnt); 1321 *cur = array_nextsize (elem, *cur, cnt);
859 return ev_realloc (base, elem * *cur); 1322 return ev_realloc (base, elem * *cur);
860} 1323}
… …
863 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1326 memset ((void *)(base), 0, sizeof (*(base)) * (count))
864 1327
865#define array_needsize(type,base,cur,cnt,init) \ 1328#define array_needsize(type,base,cur,cnt,init) \
866 if (expect_false ((cnt) > (cur))) \ 1329 if (expect_false ((cnt) > (cur))) \
867 { \ 1330 { \
868 int ocur_ = (cur); \ 1331 int ecb_unused ocur_ = (cur); \
869 (base) = (type *)array_realloc \ 1332 (base) = (type *)array_realloc \
870 (sizeof (type), (base), &(cur), (cnt)); \ 1333 (sizeof (type), (base), &(cur), (cnt)); \
871 init ((base) + (ocur_), (cur) - ocur_); \ 1334 init ((base) + (ocur_), (cur) - ocur_); \
872 } 1335 }
873 1336
… …
973inline_size void 1436inline_size void
974fd_reify (EV_P) 1437fd_reify (EV_P)
975{ 1438{
976 int i; 1439 int i;
977 1440
1441#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1442 for (i = 0; i < fdchangecnt; ++i)
1443 {
1444 int fd = fdchanges [i];
1445 ANFD *anfd = anfds + fd;
1446
1447 if (anfd->reify & EV__IOFDSET && anfd->head)
1448 {
1449 SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
1450
1451 if (handle != anfd->handle)
1452 {
1453 unsigned long arg;
1454
1455 assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
1456
1457 /* handle changed, but fd didn't - we need to do it in two steps */
1458 backend_modify (EV_A_ fd, anfd->events, 0);
1459 anfd->events = 0;
1460 anfd->handle = handle;
1461 }
1462 }
1463 }
1464#endif
1465
978 for (i = 0; i < fdchangecnt; ++i) 1466 for (i = 0; i < fdchangecnt; ++i)
979 { 1467 {
980 int fd = fdchanges [i]; 1468 int fd = fdchanges [i];
981 ANFD *anfd = anfds + fd; 1469 ANFD *anfd = anfds + fd;
982 ev_io *w; 1470 ev_io *w;
… …
984 unsigned char o_events = anfd->events; 1472 unsigned char o_events = anfd->events;
985 unsigned char o_reify = anfd->reify; 1473 unsigned char o_reify = anfd->reify;
986 1474
987 anfd->reify = 0; 1475 anfd->reify = 0;
988 1476
989#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
990 if (o_reify & EV__IOFDSET)
991 {
992 unsigned long arg;
993 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
994 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
995 printf ("oi %d %x\n", fd, anfd->handle);//D
996 }
997#endif
998
999 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 1477 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1000 { 1478 {
1001 anfd->events = 0; 1479 anfd->events = 0;
1002 1480
1003 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1481 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
… …
1028 fdchanges [fdchangecnt - 1] = fd; 1506 fdchanges [fdchangecnt - 1] = fd;
1029 } 1507 }
1030} 1508}
1031 1509
1032/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 1510/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1033inline_speed void 1511inline_speed void ecb_cold
1034fd_kill (EV_P_ int fd) 1512fd_kill (EV_P_ int fd)
1035{ 1513{
1036 ev_io *w; 1514 ev_io *w;
1037 1515
1038 while ((w = (ev_io *)anfds [fd].head)) 1516 while ((w = (ev_io *)anfds [fd].head))
… …
1041 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1519 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1042 } 1520 }
1043} 1521}
1044 1522
1045/* check whether the given fd is actually valid, for error recovery */ 1523/* check whether the given fd is actually valid, for error recovery */
1046inline_size int 1524inline_size int ecb_cold
1047fd_valid (int fd) 1525fd_valid (int fd)
1048{ 1526{
1049#ifdef _WIN32 1527#ifdef _WIN32
1050 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 1528 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1051#else 1529#else
1052 return fcntl (fd, F_GETFD) != -1; 1530 return fcntl (fd, F_GETFD) != -1;
1053#endif 1531#endif
1054} 1532}
1055 1533
1056/* called on EBADF to verify fds */ 1534/* called on EBADF to verify fds */
1057static void noinline 1535static void noinline ecb_cold
1058fd_ebadf (EV_P) 1536fd_ebadf (EV_P)
1059{ 1537{
1060 int fd; 1538 int fd;
1061 1539
1062 for (fd = 0; fd < anfdmax; ++fd) 1540 for (fd = 0; fd < anfdmax; ++fd)
… …
1064 if (!fd_valid (fd) && errno == EBADF) 1542 if (!fd_valid (fd) && errno == EBADF)
1065 fd_kill (EV_A_ fd); 1543 fd_kill (EV_A_ fd);
1066} 1544}
1067 1545
1068/* called on ENOMEM in select/poll to kill some fds and retry */ 1546/* called on ENOMEM in select/poll to kill some fds and retry */
1069static void noinline 1547static void noinline ecb_cold
1070fd_enomem (EV_P) 1548fd_enomem (EV_P)
1071{ 1549{
1072 int fd; 1550 int fd;
1073 1551
1074 for (fd = anfdmax; fd--; ) 1552 for (fd = anfdmax; fd--; )
… …
1269 1747
1270/*****************************************************************************/ 1748/*****************************************************************************/
1271 1749
1272#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 1750#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1273 1751
1274static void noinline 1752static void noinline ecb_cold
1275evpipe_init (EV_P) 1753evpipe_init (EV_P)
1276{ 1754{
1277 if (!ev_is_active (&pipe_w)) 1755 if (!ev_is_active (&pipe_w))
1278 { 1756 {
1279# if EV_USE_EVENTFD 1757# if EV_USE_EVENTFD
… …
1301 ev_io_start (EV_A_ &pipe_w); 1779 ev_io_start (EV_A_ &pipe_w);
1302 ev_unref (EV_A); /* watcher should not keep loop alive */ 1780 ev_unref (EV_A); /* watcher should not keep loop alive */
1303 } 1781 }
1304} 1782}
1305 1783
1306inline_size void 1784inline_speed void
1307evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1785evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1308{ 1786{
1309 if (!*flag) 1787 if (expect_true (*flag))
1788 return;
1789
1790 *flag = 1;
1791
1792 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1793
1794 pipe_write_skipped = 1;
1795
1796 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1797
1798 if (pipe_write_wanted)
1310 { 1799 {
1800 int old_errno;
1801
1802 pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1803
1311 int old_errno = errno; /* save errno because write might clobber it */ 1804 old_errno = errno; /* save errno because write will clobber it */
1312 char dummy;
1313
1314 *flag = 1;
1315 1805
1316#if EV_USE_EVENTFD 1806#if EV_USE_EVENTFD
1317 if (evfd >= 0) 1807 if (evfd >= 0)
1318 { 1808 {
1319 uint64_t counter = 1; 1809 uint64_t counter = 1;
1320 write (evfd, &counter, sizeof (uint64_t)); 1810 write (evfd, &counter, sizeof (uint64_t));
1321 } 1811 }
1322 else 1812 else
1323#endif 1813#endif
1814 {
1324 /* win32 people keep sending patches that change this write() to send() */ 1815 /* win32 people keep sending patches that change this write() to send() */
1325 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1816 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1326 /* so when you think this write should be a send instead, please find out */ 1817 /* so when you think this write should be a send instead, please find out */
1327 /* where your send() is from - it's definitely not the microsoft send, and */ 1818 /* where your send() is from - it's definitely not the microsoft send, and */
1328 /* tell me. thank you. */ 1819 /* tell me. thank you. */
1329 write (evpipe [1], &dummy, 1); 1820 write (evpipe [1], &(evpipe [1]), 1);
1821 }
1330 1822
1331 errno = old_errno; 1823 errno = old_errno;
1332 } 1824 }
1333} 1825}
1334 1826
… …
1337static void 1829static void
1338pipecb (EV_P_ ev_io *iow, int revents) 1830pipecb (EV_P_ ev_io *iow, int revents)
1339{ 1831{
1340 int i; 1832 int i;
1341 1833
1834 if (revents & EV_READ)
1835 {
1342#if EV_USE_EVENTFD 1836#if EV_USE_EVENTFD
1343 if (evfd >= 0) 1837 if (evfd >= 0)
1344 { 1838 {
1345 uint64_t counter; 1839 uint64_t counter;
1346 read (evfd, &counter, sizeof (uint64_t)); 1840 read (evfd, &counter, sizeof (uint64_t));
1347 } 1841 }
1348 else 1842 else
1349#endif 1843#endif
1350 { 1844 {
1351 char dummy; 1845 char dummy;
1352 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1846 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1353 read (evpipe [0], &dummy, 1); 1847 read (evpipe [0], &dummy, 1);
1848 }
1354 } 1849 }
1355 1850
1851 pipe_write_skipped = 0;
1852
1853#if EV_SIGNAL_ENABLE
1356 if (sig_pending) 1854 if (sig_pending)
1357 { 1855 {
1358 sig_pending = 0; 1856 sig_pending = 0;
1359 1857
1360 for (i = EV_NSIG - 1; i--; ) 1858 for (i = EV_NSIG - 1; i--; )
1361 if (expect_false (signals [i].pending)) 1859 if (expect_false (signals [i].pending))
1362 ev_feed_signal_event (EV_A_ i + 1); 1860 ev_feed_signal_event (EV_A_ i + 1);
1363 } 1861 }
1862#endif
1364 1863
1365#if EV_ASYNC_ENABLE 1864#if EV_ASYNC_ENABLE
1366 if (async_pending) 1865 if (async_pending)
1367 { 1866 {
1368 async_pending = 0; 1867 async_pending = 0;
… …
1386 EV_P = signals [signum - 1].loop; 1885 EV_P = signals [signum - 1].loop;
1387 1886
1388 if (!EV_A) 1887 if (!EV_A)
1389 return; 1888 return;
1390#endif 1889#endif
1890
1891 if (!ev_active (&pipe_w))
1892 return;
1391 1893
1392 signals [signum - 1].pending = 1; 1894 signals [signum - 1].pending = 1;
1393 evpipe_write (EV_A_ &sig_pending); 1895 evpipe_write (EV_A_ &sig_pending);
1394} 1896}
1395 1897
… …
1527#endif 2029#endif
1528#if EV_USE_SELECT 2030#if EV_USE_SELECT
1529# include "ev_select.c" 2031# include "ev_select.c"
1530#endif 2032#endif
1531 2033
1532int 2034int ecb_cold
1533ev_version_major (void) 2035ev_version_major (void)
1534{ 2036{
1535 return EV_VERSION_MAJOR; 2037 return EV_VERSION_MAJOR;
1536} 2038}
1537 2039
1538int 2040int ecb_cold
1539ev_version_minor (void) 2041ev_version_minor (void)
1540{ 2042{
1541 return EV_VERSION_MINOR; 2043 return EV_VERSION_MINOR;
1542} 2044}
1543 2045
1544/* return true if we are running with elevated privileges and should ignore env variables */ 2046/* return true if we are running with elevated privileges and should ignore env variables */
1545int inline_size 2047int inline_size ecb_cold
1546enable_secure (void) 2048enable_secure (void)
1547{ 2049{
1548#ifdef _WIN32 2050#ifdef _WIN32
1549 return 0; 2051 return 0;
1550#else 2052#else
1551 return getuid () != geteuid () 2053 return getuid () != geteuid ()
1552 || getgid () != getegid (); 2054 || getgid () != getegid ();
1553#endif 2055#endif
1554} 2056}
1555 2057
1556unsigned int 2058unsigned int ecb_cold
1557ev_supported_backends (void) 2059ev_supported_backends (void)
1558{ 2060{
1559 unsigned int flags = 0; 2061 unsigned int flags = 0;
1560 2062
1561 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2063 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
… …
1565 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2067 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
1566 2068
1567 return flags; 2069 return flags;
1568} 2070}
1569 2071
1570unsigned int 2072unsigned int ecb_cold
1571ev_recommended_backends (void) 2073ev_recommended_backends (void)
1572{ 2074{
1573 unsigned int flags = ev_supported_backends (); 2075 unsigned int flags = ev_supported_backends ();
1574 2076
1575#ifndef __NetBSD__ 2077#ifndef __NetBSD__
… …
1587#endif 2089#endif
1588 2090
1589 return flags; 2091 return flags;
1590} 2092}
1591 2093
1592unsigned int 2094unsigned int ecb_cold
1593ev_embeddable_backends (void) 2095ev_embeddable_backends (void)
1594{ 2096{
1595 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2097 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1596 2098
1597 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2099 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
… …
1642ev_userdata (EV_P) 2144ev_userdata (EV_P)
1643{ 2145{
1644 return userdata; 2146 return userdata;
1645} 2147}
1646 2148
2149void
1647void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2150ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
1648{ 2151{
1649 invoke_cb = invoke_pending_cb; 2152 invoke_cb = invoke_pending_cb;
1650} 2153}
1651 2154
2155void
1652void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2156ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))
1653{ 2157{
1654 release_cb = release; 2158 release_cb = release;
1655 acquire_cb = acquire; 2159 acquire_cb = acquire;
1656} 2160}
1657#endif 2161#endif
1658 2162
1659/* initialise a loop structure, must be zero-initialised */ 2163/* initialise a loop structure, must be zero-initialised */
1660static void noinline 2164static void noinline ecb_cold
1661loop_init (EV_P_ unsigned int flags) 2165loop_init (EV_P_ unsigned int flags)
1662{ 2166{
1663 if (!backend) 2167 if (!backend)
1664 { 2168 {
1665 origflags = flags; 2169 origflags = flags;
… …
1693 if (!(flags & EVFLAG_NOENV) 2197 if (!(flags & EVFLAG_NOENV)
1694 && !enable_secure () 2198 && !enable_secure ()
1695 && getenv ("LIBEV_FLAGS")) 2199 && getenv ("LIBEV_FLAGS"))
1696 flags = atoi (getenv ("LIBEV_FLAGS")); 2200 flags = atoi (getenv ("LIBEV_FLAGS"));
1697 2201
1698 ev_rt_now = ev_time (); 2202 ev_rt_now = ev_time ();
1699 mn_now = get_clock (); 2203 mn_now = get_clock ();
1700 now_floor = mn_now; 2204 now_floor = mn_now;
1701 rtmn_diff = ev_rt_now - mn_now; 2205 rtmn_diff = ev_rt_now - mn_now;
1702#if EV_FEATURE_API 2206#if EV_FEATURE_API
1703 invoke_cb = ev_invoke_pending; 2207 invoke_cb = ev_invoke_pending;
1704#endif 2208#endif
1705 2209
1706 io_blocktime = 0.; 2210 io_blocktime = 0.;
1707 timeout_blocktime = 0.; 2211 timeout_blocktime = 0.;
1708 backend = 0; 2212 backend = 0;
1709 backend_fd = -1; 2213 backend_fd = -1;
1710 sig_pending = 0; 2214 sig_pending = 0;
1711#if EV_ASYNC_ENABLE 2215#if EV_ASYNC_ENABLE
1712 async_pending = 0; 2216 async_pending = 0;
1713#endif 2217#endif
2218 pipe_write_skipped = 0;
2219 pipe_write_wanted = 0;
1714#if EV_USE_INOTIFY 2220#if EV_USE_INOTIFY
1715 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2221 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1716#endif 2222#endif
1717#if EV_USE_SIGNALFD 2223#if EV_USE_SIGNALFD
1718 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2224 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1719#endif 2225#endif
1720 2226
1721 if (!(flags & EVBACKEND_MASK)) 2227 if (!(flags & EVBACKEND_MASK))
1722 flags |= ev_recommended_backends (); 2228 flags |= ev_recommended_backends ();
1723 2229
… …
1748#endif 2254#endif
1749 } 2255 }
1750} 2256}
1751 2257
1752/* free up a loop structure */ 2258/* free up a loop structure */
1753void 2259void ecb_cold
1754ev_loop_destroy (EV_P) 2260ev_loop_destroy (EV_P)
1755{ 2261{
1756 int i; 2262 int i;
1757 2263
1758#if EV_MULTIPLICITY 2264#if EV_MULTIPLICITY
… …
1888 infy_fork (EV_A); 2394 infy_fork (EV_A);
1889#endif 2395#endif
1890 2396
1891 if (ev_is_active (&pipe_w)) 2397 if (ev_is_active (&pipe_w))
1892 { 2398 {
1893 /* this "locks" the handlers against writing to the pipe */ 2399 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
1894 /* while we modify the fd vars */
1895 sig_pending = 1;
1896#if EV_ASYNC_ENABLE
1897 async_pending = 1;
1898#endif
1899 2400
1900 ev_ref (EV_A); 2401 ev_ref (EV_A);
1901 ev_io_stop (EV_A_ &pipe_w); 2402 ev_io_stop (EV_A_ &pipe_w);
1902 2403
1903#if EV_USE_EVENTFD 2404#if EV_USE_EVENTFD
… …
1921 postfork = 0; 2422 postfork = 0;
1922} 2423}
1923 2424
1924#if EV_MULTIPLICITY 2425#if EV_MULTIPLICITY
1925 2426
1926struct ev_loop * 2427struct ev_loop * ecb_cold
1927ev_loop_new (unsigned int flags) 2428ev_loop_new (unsigned int flags)
1928{ 2429{
1929 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2430 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1930 2431
1931 memset (EV_A, 0, sizeof (struct ev_loop)); 2432 memset (EV_A, 0, sizeof (struct ev_loop));
… …
1939} 2440}
1940 2441
1941#endif /* multiplicity */ 2442#endif /* multiplicity */
1942 2443
1943#if EV_VERIFY 2444#if EV_VERIFY
1944static void noinline 2445static void noinline ecb_cold
1945verify_watcher (EV_P_ W w) 2446verify_watcher (EV_P_ W w)
1946{ 2447{
1947 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 2448 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1948 2449
1949 if (w->pending) 2450 if (w->pending)
1950 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 2451 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1951} 2452}
1952 2453
1953static void noinline 2454static void noinline ecb_cold
1954verify_heap (EV_P_ ANHE *heap, int N) 2455verify_heap (EV_P_ ANHE *heap, int N)
1955{ 2456{
1956 int i; 2457 int i;
1957 2458
1958 for (i = HEAP0; i < N + HEAP0; ++i) 2459 for (i = HEAP0; i < N + HEAP0; ++i)
… …
1963 2464
1964 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 2465 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1965 } 2466 }
1966} 2467}
1967 2468
1968static void noinline 2469static void noinline ecb_cold
1969array_verify (EV_P_ W *ws, int cnt) 2470array_verify (EV_P_ W *ws, int cnt)
1970{ 2471{
1971 while (cnt--) 2472 while (cnt--)
1972 { 2473 {
1973 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 2474 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
… …
1975 } 2476 }
1976} 2477}
1977#endif 2478#endif
1978 2479
1979#if EV_FEATURE_API 2480#if EV_FEATURE_API
1980void 2481void ecb_cold
1981ev_verify (EV_P) 2482ev_verify (EV_P)
1982{ 2483{
1983#if EV_VERIFY 2484#if EV_VERIFY
1984 int i; 2485 int i;
1985 WL w; 2486 WL w;
… …
2051#endif 2552#endif
2052} 2553}
2053#endif 2554#endif
2054 2555
2055#if EV_MULTIPLICITY 2556#if EV_MULTIPLICITY
2056struct ev_loop * 2557struct ev_loop * ecb_cold
2057#else 2558#else
2058int 2559int
2059#endif 2560#endif
2060ev_default_loop (unsigned int flags) 2561ev_default_loop (unsigned int flags)
2061{ 2562{
… …
2189 feed_reverse_done (EV_A_ EV_TIMER); 2690 feed_reverse_done (EV_A_ EV_TIMER);
2190 } 2691 }
2191} 2692}
2192 2693
2193#if EV_PERIODIC_ENABLE 2694#if EV_PERIODIC_ENABLE
2695
2696static void noinline
2697periodic_recalc (EV_P_ ev_periodic *w)
2698{
2699 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
2700 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
2701
2702 /* the above almost always errs on the low side */
2703 while (at <= ev_rt_now)
2704 {
2705 ev_tstamp nat = at + w->interval;
2706
2707 /* when resolution fails us, we use ev_rt_now */
2708 if (expect_false (nat == at))
2709 {
2710 at = ev_rt_now;
2711 break;
2712 }
2713
2714 at = nat;
2715 }
2716
2717 ev_at (w) = at;
2718}
2719
2194/* make periodics pending */ 2720/* make periodics pending */
2195inline_size void 2721inline_size void
2196periodics_reify (EV_P) 2722periodics_reify (EV_P)
2197{ 2723{
2198 EV_FREQUENT_CHECK; 2724 EV_FREQUENT_CHECK;
… …
2217 ANHE_at_cache (periodics [HEAP0]); 2743 ANHE_at_cache (periodics [HEAP0]);
2218 downheap (periodics, periodiccnt, HEAP0); 2744 downheap (periodics, periodiccnt, HEAP0);
2219 } 2745 }
2220 else if (w->interval) 2746 else if (w->interval)
2221 { 2747 {
2222 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2748 periodic_recalc (EV_A_ w);
2223 /* if next trigger time is not sufficiently in the future, put it there */
2224 /* this might happen because of floating point inexactness */
2225 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2226 {
2227 ev_at (w) += w->interval;
2228
2229 /* if interval is unreasonably low we might still have a time in the past */
2230 /* so correct this. this will make the periodic very inexact, but the user */
2231 /* has effectively asked to get triggered more often than possible */
2232 if (ev_at (w) < ev_rt_now)
2233 ev_at (w) = ev_rt_now;
2234 }
2235
2236 ANHE_at_cache (periodics [HEAP0]); 2749 ANHE_at_cache (periodics [HEAP0]);
2237 downheap (periodics, periodiccnt, HEAP0); 2750 downheap (periodics, periodiccnt, HEAP0);
2238 } 2751 }
2239 else 2752 else
2240 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 2753 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
… …
2248 } 2761 }
2249} 2762}
2250 2763
2251/* simply recalculate all periodics */ 2764/* simply recalculate all periodics */
2252/* TODO: maybe ensure that at least one event happens when jumping forward? */ 2765/* TODO: maybe ensure that at least one event happens when jumping forward? */
2253static void noinline 2766static void noinline ecb_cold
2254periodics_reschedule (EV_P) 2767periodics_reschedule (EV_P)
2255{ 2768{
2256 int i; 2769 int i;
2257 2770
2258 /* adjust periodics after time jump */ 2771 /* adjust periodics after time jump */
… …
2261 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); 2774 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
2262 2775
2263 if (w->reschedule_cb) 2776 if (w->reschedule_cb)
2264 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2777 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2265 else if (w->interval) 2778 else if (w->interval)
2266 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2779 periodic_recalc (EV_A_ w);
2267 2780
2268 ANHE_at_cache (periodics [i]); 2781 ANHE_at_cache (periodics [i]);
2269 } 2782 }
2270 2783
2271 reheap (periodics, periodiccnt); 2784 reheap (periodics, periodiccnt);
2272} 2785}
2273#endif 2786#endif
2274 2787
2275/* adjust all timers by a given offset */ 2788/* adjust all timers by a given offset */
2276static void noinline 2789static void noinline ecb_cold
2277timers_reschedule (EV_P_ ev_tstamp adjust) 2790timers_reschedule (EV_P_ ev_tstamp adjust)
2278{ 2791{
2279 int i; 2792 int i;
2280 2793
2281 for (i = 0; i < timercnt; ++i) 2794 for (i = 0; i < timercnt; ++i)
… …
2318 * doesn't hurt either as we only do this on time-jumps or 2831 * doesn't hurt either as we only do this on time-jumps or
2319 * in the unlikely event of having been preempted here. 2832 * in the unlikely event of having been preempted here.
2320 */ 2833 */
2321 for (i = 4; --i; ) 2834 for (i = 4; --i; )
2322 { 2835 {
2836 ev_tstamp diff;
2323 rtmn_diff = ev_rt_now - mn_now; 2837 rtmn_diff = ev_rt_now - mn_now;
2324 2838
2839 diff = odiff - rtmn_diff;
2840
2325 if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) 2841 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
2326 return; /* all is well */ 2842 return; /* all is well */
2327 2843
2328 ev_rt_now = ev_time (); 2844 ev_rt_now = ev_time ();
2329 mn_now = get_clock (); 2845 mn_now = get_clock ();
2330 now_floor = mn_now; 2846 now_floor = mn_now;
… …
2420 ev_tstamp prev_mn_now = mn_now; 2936 ev_tstamp prev_mn_now = mn_now;
2421 2937
2422 /* update time to cancel out callback processing overhead */ 2938 /* update time to cancel out callback processing overhead */
2423 time_update (EV_A_ 1e100); 2939 time_update (EV_A_ 1e100);
2424 2940
2941 /* from now on, we want a pipe-wake-up */
2942 pipe_write_wanted = 1;
2943
2944 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2945
2425 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) 2946 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2426 { 2947 {
2427 waittime = MAX_BLOCKTIME; 2948 waittime = MAX_BLOCKTIME;
2428 2949
2429 if (timercnt) 2950 if (timercnt)
2430 { 2951 {
2431 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2952 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
2432 if (waittime > to) waittime = to; 2953 if (waittime > to) waittime = to;
2433 } 2954 }
2434 2955
2435#if EV_PERIODIC_ENABLE 2956#if EV_PERIODIC_ENABLE
2436 if (periodiccnt) 2957 if (periodiccnt)
2437 { 2958 {
2438 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; 2959 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now;
2439 if (waittime > to) waittime = to; 2960 if (waittime > to) waittime = to;
2440 } 2961 }
2441#endif 2962#endif
2442 2963
2443 /* don't let timeouts decrease the waittime below timeout_blocktime */ 2964 /* don't let timeouts decrease the waittime below timeout_blocktime */
2444 if (expect_false (waittime < timeout_blocktime)) 2965 if (expect_false (waittime < timeout_blocktime))
2445 waittime = timeout_blocktime; 2966 waittime = timeout_blocktime;
2967
2968 /* at this point, we NEED to wait, so we have to ensure */
2969 /* to pass a minimum nonzero value to the backend */
2970 if (expect_false (waittime < backend_mintime))
2971 waittime = backend_mintime;
2446 2972
2447 /* extra check because io_blocktime is commonly 0 */ 2973 /* extra check because io_blocktime is commonly 0 */
2448 if (expect_false (io_blocktime)) 2974 if (expect_false (io_blocktime))
2449 { 2975 {
2450 sleeptime = io_blocktime - (mn_now - prev_mn_now); 2976 sleeptime = io_blocktime - (mn_now - prev_mn_now);
2451 2977
2452 if (sleeptime > waittime - backend_fudge) 2978 if (sleeptime > waittime - backend_mintime)
2453 sleeptime = waittime - backend_fudge; 2979 sleeptime = waittime - backend_mintime;
2454 2980
2455 if (expect_true (sleeptime > 0.)) 2981 if (expect_true (sleeptime > 0.))
2456 { 2982 {
2457 ev_sleep (sleeptime); 2983 ev_sleep (sleeptime);
2458 waittime -= sleeptime; 2984 waittime -= sleeptime;
… …
2464 ++loop_count; 2990 ++loop_count;
2465#endif 2991#endif
2466 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 2992 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2467 backend_poll (EV_A_ waittime); 2993 backend_poll (EV_A_ waittime);
2468 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 2994 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2995
2996 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */
2997
2998 if (pipe_write_skipped)
2999 {
3000 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3001 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3002 }
3003
2469 3004
2470 /* update ev_rt_now, do magic */ 3005 /* update ev_rt_now, do magic */
2471 time_update (EV_A_ waittime + sleeptime); 3006 time_update (EV_A_ waittime + sleeptime);
2472 } 3007 }
2473 3008
… …
2763 if (w->reschedule_cb) 3298 if (w->reschedule_cb)
2764 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 3299 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2765 else if (w->interval) 3300 else if (w->interval)
2766 { 3301 {
2767 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); 3302 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2768 /* this formula differs from the one in periodic_reify because we do not always round up */ 3303 periodic_recalc (EV_A_ w);
2769 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2770 } 3304 }
2771 else 3305 else
2772 ev_at (w) = w->offset; 3306 ev_at (w) = w->offset;
2773 3307
2774 EV_FREQUENT_CHECK; 3308 EV_FREQUENT_CHECK;
… …
3051 if (!pend || pend == path) 3585 if (!pend || pend == path)
3052 break; 3586 break;
3053 3587
3054 *pend = 0; 3588 *pend = 0;
3055 w->wd = inotify_add_watch (fs_fd, path, mask); 3589 w->wd = inotify_add_watch (fs_fd, path, mask);
3056 } 3590 }
3057 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3591 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
3058 } 3592 }
3059 } 3593 }
3060 3594
3061 if (w->wd >= 0) 3595 if (w->wd >= 0)
… …
3128 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3662 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3129 ofs += sizeof (struct inotify_event) + ev->len; 3663 ofs += sizeof (struct inotify_event) + ev->len;
3130 } 3664 }
3131} 3665}
3132 3666
3133inline_size void 3667inline_size void ecb_cold
3134ev_check_2625 (EV_P) 3668ev_check_2625 (EV_P)
3135{ 3669{
3136 /* kernels < 2.6.25 are borked 3670 /* kernels < 2.6.25 are borked
3137 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3671 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3138 */ 3672 */
… …
3763} 4297}
3764 4298
3765/*****************************************************************************/ 4299/*****************************************************************************/
3766 4300
3767#if EV_WALK_ENABLE 4301#if EV_WALK_ENABLE
3768void 4302void ecb_cold
3769ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4303ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
3770{ 4304{
3771 int i, j; 4305 int i, j;
3772 ev_watcher_list *wl, *wn; 4306 ev_watcher_list *wl, *wn;
3773 4307
… …
3817 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4351 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3818#endif 4352#endif
3819 4353
3820#if EV_IDLE_ENABLE 4354#if EV_IDLE_ENABLE
3821 if (types & EV_IDLE) 4355 if (types & EV_IDLE)
3822 for (j = NUMPRI; i--; ) 4356 for (j = NUMPRI; j--; )
3823 for (i = idlecnt [j]; i--; ) 4357 for (i = idlecnt [j]; i--; )
3824 cb (EV_A_ EV_IDLE, idles [j][i]); 4358 cb (EV_A_ EV_IDLE, idles [j][i]);
3825#endif 4359#endif
3826 4360
3827#if EV_FORK_ENABLE 4361#if EV_FORK_ENABLE
… …
3880 4414
3881#if EV_MULTIPLICITY 4415#if EV_MULTIPLICITY
3882 #include "ev_wrap.h" 4416 #include "ev_wrap.h"
3883#endif 4417#endif
3884 4418
3885EV_CPP(})
3886

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