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Comparing libev/ev.c (file contents):
Revision 1.386 by root, Wed Jul 20 01:04:20 2011 UTC vs.
Revision 1.422 by root, Wed Apr 18 06:09:29 2012 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012 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 *
59# endif 59# endif
60# ifndef EV_USE_MONOTONIC 60# ifndef EV_USE_MONOTONIC
61# define EV_USE_MONOTONIC 1 61# define EV_USE_MONOTONIC 1
62# endif 62# endif
63# endif 63# endif
64# elif !defined(EV_USE_CLOCK_SYSCALL) 64# elif !defined EV_USE_CLOCK_SYSCALL
65# define EV_USE_CLOCK_SYSCALL 0 65# define EV_USE_CLOCK_SYSCALL 0
66# endif 66# endif
67 67
68# if HAVE_CLOCK_GETTIME 68# if HAVE_CLOCK_GETTIME
69# ifndef EV_USE_MONOTONIC 69# ifndef EV_USE_MONOTONIC
183# include EV_H 183# include EV_H
184#else 184#else
185# include "ev.h" 185# include "ev.h"
186#endif 186#endif
187 187
188EV_CPP(extern "C" {) 188#if EV_NO_THREADS
189# undef EV_NO_SMP
190# define EV_NO_SMP 1
191# undef ECB_NO_THREADS
192# define ECB_NO_THREADS 1
193#endif
194#if EV_NO_SMP
195# undef EV_NO_SMP
196# define ECB_NO_SMP 1
197#endif
189 198
190#ifndef _WIN32 199#ifndef _WIN32
191# include <sys/time.h> 200# include <sys/time.h>
192# include <sys/wait.h> 201# include <sys/wait.h>
193# include <unistd.h> 202# include <unistd.h>
210#define _DARWIN_UNLIMITED_SELECT 1 219#define _DARWIN_UNLIMITED_SELECT 1
211 220
212/* this block tries to deduce configuration from header-defined symbols and defaults */ 221/* this block tries to deduce configuration from header-defined symbols and defaults */
213 222
214/* try to deduce the maximum number of signals on this platform */ 223/* try to deduce the maximum number of signals on this platform */
215#if defined (EV_NSIG) 224#if defined EV_NSIG
216/* use what's provided */ 225/* use what's provided */
217#elif defined (NSIG) 226#elif defined NSIG
218# define EV_NSIG (NSIG) 227# define EV_NSIG (NSIG)
219#elif defined(_NSIG) 228#elif defined _NSIG
220# define EV_NSIG (_NSIG) 229# define EV_NSIG (_NSIG)
221#elif defined (SIGMAX) 230#elif defined SIGMAX
222# define EV_NSIG (SIGMAX+1) 231# define EV_NSIG (SIGMAX+1)
223#elif defined (SIG_MAX) 232#elif defined SIG_MAX
224# define EV_NSIG (SIG_MAX+1) 233# define EV_NSIG (SIG_MAX+1)
225#elif defined (_SIG_MAX) 234#elif defined _SIG_MAX
226# define EV_NSIG (_SIG_MAX+1) 235# define EV_NSIG (_SIG_MAX+1)
227#elif defined (MAXSIG) 236#elif defined MAXSIG
228# define EV_NSIG (MAXSIG+1) 237# define EV_NSIG (MAXSIG+1)
229#elif defined (MAX_SIG) 238#elif defined MAX_SIG
230# define EV_NSIG (MAX_SIG+1) 239# define EV_NSIG (MAX_SIG+1)
231#elif defined (SIGARRAYSIZE) 240#elif defined SIGARRAYSIZE
232# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 241# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233#elif defined (_sys_nsig) 242#elif defined _sys_nsig
234# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 243# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235#else 244#else
236# error "unable to find value for NSIG, please report" 245# error "unable to find value for NSIG, please report"
237/* to make it compile regardless, just remove the above line, */ 246/* to make it compile regardless, just remove the above line, */
238/* but consider reporting it, too! :) */ 247/* but consider reporting it, too! :) */
250# define EV_USE_CLOCK_SYSCALL 0 259# define EV_USE_CLOCK_SYSCALL 0
251# endif 260# endif
252#endif 261#endif
253 262
254#ifndef EV_USE_MONOTONIC 263#ifndef EV_USE_MONOTONIC
255# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 264# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256# define EV_USE_MONOTONIC EV_FEATURE_OS 265# define EV_USE_MONOTONIC EV_FEATURE_OS
257# else 266# else
258# define EV_USE_MONOTONIC 0 267# define EV_USE_MONOTONIC 0
259# endif 268# endif
260#endif 269#endif
386# define EV_USE_INOTIFY 0 395# define EV_USE_INOTIFY 0
387#endif 396#endif
388 397
389#if !EV_USE_NANOSLEEP 398#if !EV_USE_NANOSLEEP
390/* hp-ux has it in sys/time.h, which we unconditionally include above */ 399/* hp-ux has it in sys/time.h, which we unconditionally include above */
391# if !defined(_WIN32) && !defined(__hpux) 400# if !defined _WIN32 && !defined __hpux
392# include <sys/select.h> 401# include <sys/select.h>
393# endif 402# endif
394#endif 403#endif
395 404
396#if EV_USE_INOTIFY 405#if EV_USE_INOTIFY
464#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 473#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465 474
466#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 475#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } 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) 476#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468 477
469/* the following are taken from libecb */ 478/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470/* ecb.h start */ 479/* ECB.H BEGIN */
480/*
481 * libecb - http://software.schmorp.de/pkg/libecb
482 *
483 * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
484 * Copyright (©) 2011 Emanuele Giaquinta
485 * All rights reserved.
486 *
487 * Redistribution and use in source and binary forms, with or without modifica-
488 * tion, are permitted provided that the following conditions are met:
489 *
490 * 1. Redistributions of source code must retain the above copyright notice,
491 * this list of conditions and the following disclaimer.
492 *
493 * 2. Redistributions in binary form must reproduce the above copyright
494 * notice, this list of conditions and the following disclaimer in the
495 * documentation and/or other materials provided with the distribution.
496 *
497 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
498 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
499 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
500 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
501 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
502 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
503 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
504 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
505 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
506 * OF THE POSSIBILITY OF SUCH DAMAGE.
507 */
508
509#ifndef ECB_H
510#define ECB_H
511
512#ifdef _WIN32
513 typedef signed char int8_t;
514 typedef unsigned char uint8_t;
515 typedef signed short int16_t;
516 typedef unsigned short uint16_t;
517 typedef signed int int32_t;
518 typedef unsigned int uint32_t;
519 #if __GNUC__
520 typedef signed long long int64_t;
521 typedef unsigned long long uint64_t;
522 #else /* _MSC_VER || __BORLANDC__ */
523 typedef signed __int64 int64_t;
524 typedef unsigned __int64 uint64_t;
525 #endif
526#else
527 #include <inttypes.h>
528#endif
471 529
472/* many compilers define _GNUC_ to some versions but then only implement 530/* many compilers define _GNUC_ to some versions but then only implement
473 * what their idiot authors think are the "more important" extensions, 531 * what their idiot authors think are the "more important" extensions,
474 * causing enourmous grief in return for some better fake benchmark numbers. 532 * causing enormous grief in return for some better fake benchmark numbers.
475 * or so. 533 * or so.
476 * we try to detect these and simply assume they are not gcc - if they have 534 * we try to detect these and simply assume they are not gcc - if they have
477 * an issue with that they should have done it right in the first place. 535 * an issue with that they should have done it right in the first place.
478 */ 536 */
479#ifndef ECB_GCC_VERSION 537#ifndef ECB_GCC_VERSION
480 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 538 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
481 #define ECB_GCC_VERSION(major,minor) 0 539 #define ECB_GCC_VERSION(major,minor) 0
482 #else 540 #else
483 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 541 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
484 #endif 542 #endif
485#endif 543#endif
544
545/*****************************************************************************/
546
547/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
548/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
549
550#if ECB_NO_THREADS
551# define ECB_NO_SMP 1
552#endif
553
554#if ECB_NO_THREADS || ECB_NO_SMP
555 #define ECB_MEMORY_FENCE do { } while (0)
556#endif
557
558#ifndef ECB_MEMORY_FENCE
559 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560 #if __i386 || __i386__
561 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
562 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
563 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
564 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
567 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
568 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
572 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
573 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576 #elif __sparc || __sparc__
577 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
578 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580 #elif defined __s390__ || defined __s390x__
581 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582 #elif defined __mips__
583 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
584 #elif defined __alpha__
585 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
586 #endif
587 #endif
588#endif
589
590#ifndef ECB_MEMORY_FENCE
591 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
592 #define ECB_MEMORY_FENCE __sync_synchronize ()
593 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
594 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
595 #elif _MSC_VER >= 1400 /* VC++ 2005 */
596 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
597 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
598 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
599 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
600 #elif defined _WIN32
601 #include <WinNT.h>
602 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
603 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
604 #include <mbarrier.h>
605 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
606 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
607 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
608 #elif __xlC__
609 #define ECB_MEMORY_FENCE __sync ()
610 #endif
611#endif
612
613#ifndef ECB_MEMORY_FENCE
614 #if !ECB_AVOID_PTHREADS
615 /*
616 * if you get undefined symbol references to pthread_mutex_lock,
617 * or failure to find pthread.h, then you should implement
618 * the ECB_MEMORY_FENCE operations for your cpu/compiler
619 * OR provide pthread.h and link against the posix thread library
620 * of your system.
621 */
622 #include <pthread.h>
623 #define ECB_NEEDS_PTHREADS 1
624 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
625
626 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
627 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
628 #endif
629#endif
630
631#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
632 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
633#endif
634
635#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
636 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
637#endif
638
639/*****************************************************************************/
640
641#define ECB_C99 (__STDC_VERSION__ >= 199901L)
486 642
487#if __cplusplus 643#if __cplusplus
488 #define ecb_inline static inline 644 #define ecb_inline static inline
489#elif ECB_GCC_VERSION(2,5) 645#elif ECB_GCC_VERSION(2,5)
490 #define ecb_inline static __inline__ 646 #define ecb_inline static __inline__
492 #define ecb_inline static inline 648 #define ecb_inline static inline
493#else 649#else
494 #define ecb_inline static 650 #define ecb_inline static
495#endif 651#endif
496 652
497#ifndef ECB_MEMORY_FENCE
498 #if ECB_GCC_VERSION(2,5) 653#if ECB_GCC_VERSION(3,3)
499 #if __x86 654 #define ecb_restrict __restrict__
500 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 655#elif ECB_C99
501 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 656 #define ecb_restrict restrict
502 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 657#else
503 #elif __amd64 658 #define ecb_restrict
504 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
505 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
506 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence")
507 #endif
508 #endif 659#endif
509#endif
510 660
511#ifndef ECB_MEMORY_FENCE 661typedef int ecb_bool;
512 #if ECB_GCC_VERSION(4,4)
513 #define ECB_MEMORY_FENCE __sync_synchronize ()
514 #define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })
515 #define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); })
516 #elif defined(_WIN32) && defined(MemoryBarrier)
517 #define ECB_MEMORY_FENCE MemoryBarrier ()
518 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
519 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
520 #endif
521#endif
522 662
523#ifndef ECB_MEMORY_FENCE 663#define ECB_CONCAT_(a, b) a ## b
524 #include <pthread.h> 664#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
665#define ECB_STRINGIFY_(a) # a
666#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
525 667
526 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 668#define ecb_function_ ecb_inline
527 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
528 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
529 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
530#endif
531 669
532#if ECB_GCC_VERSION(3,1) 670#if ECB_GCC_VERSION(3,1)
533 #define ecb_attribute(attrlist) __attribute__(attrlist) 671 #define ecb_attribute(attrlist) __attribute__(attrlist)
534 #define ecb_is_constant(expr) __builtin_constant_p (expr) 672 #define ecb_is_constant(expr) __builtin_constant_p (expr)
535 #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) 673 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
539 #define ecb_is_constant(expr) 0 677 #define ecb_is_constant(expr) 0
540 #define ecb_expect(expr,value) (expr) 678 #define ecb_expect(expr,value) (expr)
541 #define ecb_prefetch(addr,rw,locality) 679 #define ecb_prefetch(addr,rw,locality)
542#endif 680#endif
543 681
682/* no emulation for ecb_decltype */
683#if ECB_GCC_VERSION(4,5)
684 #define ecb_decltype(x) __decltype(x)
685#elif ECB_GCC_VERSION(3,0)
686 #define ecb_decltype(x) __typeof(x)
687#endif
688
544#define ecb_noinline ecb_attribute ((__noinline__)) 689#define ecb_noinline ecb_attribute ((__noinline__))
545#define ecb_noreturn ecb_attribute ((__noreturn__)) 690#define ecb_noreturn ecb_attribute ((__noreturn__))
546#define ecb_unused ecb_attribute ((__unused__)) 691#define ecb_unused ecb_attribute ((__unused__))
547#define ecb_const ecb_attribute ((__const__)) 692#define ecb_const ecb_attribute ((__const__))
548#define ecb_pure ecb_attribute ((__pure__)) 693#define ecb_pure ecb_attribute ((__pure__))
560/* put around conditional expressions if you are very sure that the */ 705/* put around conditional expressions if you are very sure that the */
561/* expression is mostly true or mostly false. note that these return */ 706/* expression is mostly true or mostly false. note that these return */
562/* booleans, not the expression. */ 707/* booleans, not the expression. */
563#define ecb_expect_false(expr) ecb_expect (!!(expr), 0) 708#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
564#define ecb_expect_true(expr) ecb_expect (!!(expr), 1) 709#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
565/* ecb.h end */ 710/* for compatibility to the rest of the world */
711#define ecb_likely(expr) ecb_expect_true (expr)
712#define ecb_unlikely(expr) ecb_expect_false (expr)
713
714/* count trailing zero bits and count # of one bits */
715#if ECB_GCC_VERSION(3,4)
716 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
717 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
718 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
719 #define ecb_ctz32(x) __builtin_ctz (x)
720 #define ecb_ctz64(x) __builtin_ctzll (x)
721 #define ecb_popcount32(x) __builtin_popcount (x)
722 /* no popcountll */
723#else
724 ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
725 ecb_function_ int
726 ecb_ctz32 (uint32_t x)
727 {
728 int r = 0;
729
730 x &= ~x + 1; /* this isolates the lowest bit */
731
732#if ECB_branchless_on_i386
733 r += !!(x & 0xaaaaaaaa) << 0;
734 r += !!(x & 0xcccccccc) << 1;
735 r += !!(x & 0xf0f0f0f0) << 2;
736 r += !!(x & 0xff00ff00) << 3;
737 r += !!(x & 0xffff0000) << 4;
738#else
739 if (x & 0xaaaaaaaa) r += 1;
740 if (x & 0xcccccccc) r += 2;
741 if (x & 0xf0f0f0f0) r += 4;
742 if (x & 0xff00ff00) r += 8;
743 if (x & 0xffff0000) r += 16;
744#endif
745
746 return r;
747 }
748
749 ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
750 ecb_function_ int
751 ecb_ctz64 (uint64_t x)
752 {
753 int shift = x & 0xffffffffU ? 0 : 32;
754 return ecb_ctz32 (x >> shift) + shift;
755 }
756
757 ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
758 ecb_function_ int
759 ecb_popcount32 (uint32_t x)
760 {
761 x -= (x >> 1) & 0x55555555;
762 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
763 x = ((x >> 4) + x) & 0x0f0f0f0f;
764 x *= 0x01010101;
765
766 return x >> 24;
767 }
768
769 ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
770 ecb_function_ int ecb_ld32 (uint32_t x)
771 {
772 int r = 0;
773
774 if (x >> 16) { x >>= 16; r += 16; }
775 if (x >> 8) { x >>= 8; r += 8; }
776 if (x >> 4) { x >>= 4; r += 4; }
777 if (x >> 2) { x >>= 2; r += 2; }
778 if (x >> 1) { r += 1; }
779
780 return r;
781 }
782
783 ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
784 ecb_function_ int ecb_ld64 (uint64_t x)
785 {
786 int r = 0;
787
788 if (x >> 32) { x >>= 32; r += 32; }
789
790 return r + ecb_ld32 (x);
791 }
792#endif
793
794ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
795ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
796{
797 return ( (x * 0x0802U & 0x22110U)
798 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
799}
800
801ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
802ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
803{
804 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
805 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
806 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
807 x = ( x >> 8 ) | ( x << 8);
808
809 return x;
810}
811
812ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
813ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
814{
815 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
816 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
817 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
818 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
819 x = ( x >> 16 ) | ( x << 16);
820
821 return x;
822}
823
824/* popcount64 is only available on 64 bit cpus as gcc builtin */
825/* so for this version we are lazy */
826ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
827ecb_function_ int
828ecb_popcount64 (uint64_t x)
829{
830 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
831}
832
833ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
834ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
835ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
836ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
837ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
838ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
839ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
840ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
841
842ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
843ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
844ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
845ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
846ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
847ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
848ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
849ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
850
851#if ECB_GCC_VERSION(4,3)
852 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
853 #define ecb_bswap32(x) __builtin_bswap32 (x)
854 #define ecb_bswap64(x) __builtin_bswap64 (x)
855#else
856 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
857 ecb_function_ uint16_t
858 ecb_bswap16 (uint16_t x)
859 {
860 return ecb_rotl16 (x, 8);
861 }
862
863 ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
864 ecb_function_ uint32_t
865 ecb_bswap32 (uint32_t x)
866 {
867 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
868 }
869
870 ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
871 ecb_function_ uint64_t
872 ecb_bswap64 (uint64_t x)
873 {
874 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
875 }
876#endif
877
878#if ECB_GCC_VERSION(4,5)
879 #define ecb_unreachable() __builtin_unreachable ()
880#else
881 /* this seems to work fine, but gcc always emits a warning for it :/ */
882 ecb_inline void ecb_unreachable (void) ecb_noreturn;
883 ecb_inline void ecb_unreachable (void) { }
884#endif
885
886/* try to tell the compiler that some condition is definitely true */
887#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
888
889ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
890ecb_inline unsigned char
891ecb_byteorder_helper (void)
892{
893 const uint32_t u = 0x11223344;
894 return *(unsigned char *)&u;
895}
896
897ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
898ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
899ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
900ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
901
902#if ECB_GCC_VERSION(3,0) || ECB_C99
903 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
904#else
905 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
906#endif
907
908#if __cplusplus
909 template<typename T>
910 static inline T ecb_div_rd (T val, T div)
911 {
912 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
913 }
914 template<typename T>
915 static inline T ecb_div_ru (T val, T div)
916 {
917 return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
918 }
919#else
920 #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
921 #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
922#endif
923
924#if ecb_cplusplus_does_not_suck
925 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
926 template<typename T, int N>
927 static inline int ecb_array_length (const T (&arr)[N])
928 {
929 return N;
930 }
931#else
932 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
933#endif
934
935#endif
936
937/* ECB.H END */
938
939#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
940/* if your architecture doesn't need memory fences, e.g. because it is
941 * single-cpu/core, or if you use libev in a project that doesn't use libev
942 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
943 * libev, in which cases the memory fences become nops.
944 * alternatively, you can remove this #error and link against libpthread,
945 * which will then provide the memory fences.
946 */
947# error "memory fences not defined for your architecture, please report"
948#endif
949
950#ifndef ECB_MEMORY_FENCE
951# define ECB_MEMORY_FENCE do { } while (0)
952# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
953# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
954#endif
566 955
567#define expect_false(cond) ecb_expect_false (cond) 956#define expect_false(cond) ecb_expect_false (cond)
568#define expect_true(cond) ecb_expect_true (cond) 957#define expect_true(cond) ecb_expect_true (cond)
569#define noinline ecb_noinline 958#define noinline ecb_noinline
570 959
716{ 1105{
717 write (STDERR_FILENO, msg, strlen (msg)); 1106 write (STDERR_FILENO, msg, strlen (msg));
718} 1107}
719#endif 1108#endif
720 1109
721static void (*syserr_cb)(const char *msg); 1110static void (*syserr_cb)(const char *msg) EV_THROW;
722 1111
723void ecb_cold 1112void ecb_cold
724ev_set_syserr_cb (void (*cb)(const char *msg)) 1113ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
725{ 1114{
726 syserr_cb = cb; 1115 syserr_cb = cb;
727} 1116}
728 1117
729static void noinline ecb_cold 1118static void noinline ecb_cold
765 free (ptr); 1154 free (ptr);
766 return 0; 1155 return 0;
767#endif 1156#endif
768} 1157}
769 1158
770static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1159static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
771 1160
772void ecb_cold 1161void ecb_cold
773ev_set_allocator (void *(*cb)(void *ptr, long size)) 1162ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
774{ 1163{
775 alloc = cb; 1164 alloc = cb;
776} 1165}
777 1166
778inline_speed void * 1167inline_speed void *
866 #undef VAR 1255 #undef VAR
867 }; 1256 };
868 #include "ev_wrap.h" 1257 #include "ev_wrap.h"
869 1258
870 static struct ev_loop default_loop_struct; 1259 static struct ev_loop default_loop_struct;
871 struct ev_loop *ev_default_loop_ptr; 1260 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
872 1261
873#else 1262#else
874 1263
875 ev_tstamp ev_rt_now; 1264 EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
876 #define VAR(name,decl) static decl; 1265 #define VAR(name,decl) static decl;
877 #include "ev_vars.h" 1266 #include "ev_vars.h"
878 #undef VAR 1267 #undef VAR
879 1268
880 static int ev_default_loop_ptr; 1269 static int ev_default_loop_ptr;
895 1284
896/*****************************************************************************/ 1285/*****************************************************************************/
897 1286
898#ifndef EV_HAVE_EV_TIME 1287#ifndef EV_HAVE_EV_TIME
899ev_tstamp 1288ev_tstamp
900ev_time (void) 1289ev_time (void) EV_THROW
901{ 1290{
902#if EV_USE_REALTIME 1291#if EV_USE_REALTIME
903 if (expect_true (have_realtime)) 1292 if (expect_true (have_realtime))
904 { 1293 {
905 struct timespec ts; 1294 struct timespec ts;
929 return ev_time (); 1318 return ev_time ();
930} 1319}
931 1320
932#if EV_MULTIPLICITY 1321#if EV_MULTIPLICITY
933ev_tstamp 1322ev_tstamp
934ev_now (EV_P) 1323ev_now (EV_P) EV_THROW
935{ 1324{
936 return ev_rt_now; 1325 return ev_rt_now;
937} 1326}
938#endif 1327#endif
939 1328
940void 1329void
941ev_sleep (ev_tstamp delay) 1330ev_sleep (ev_tstamp delay) EV_THROW
942{ 1331{
943 if (delay > 0.) 1332 if (delay > 0.)
944 { 1333 {
945#if EV_USE_NANOSLEEP 1334#if EV_USE_NANOSLEEP
946 struct timespec ts; 1335 struct timespec ts;
947 1336
948 EV_TS_SET (ts, delay); 1337 EV_TS_SET (ts, delay);
949 nanosleep (&ts, 0); 1338 nanosleep (&ts, 0);
950#elif defined(_WIN32) 1339#elif defined _WIN32
951 Sleep ((unsigned long)(delay * 1e3)); 1340 Sleep ((unsigned long)(delay * 1e3));
952#else 1341#else
953 struct timeval tv; 1342 struct timeval tv;
954 1343
955 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1344 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
974 1363
975 do 1364 do
976 ncur <<= 1; 1365 ncur <<= 1;
977 while (cnt > ncur); 1366 while (cnt > ncur);
978 1367
979 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ 1368 /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
980 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1369 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
981 { 1370 {
982 ncur *= elem; 1371 ncur *= elem;
983 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); 1372 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
984 ncur = ncur - sizeof (void *) * 4; 1373 ncur = ncur - sizeof (void *) * 4;
1027pendingcb (EV_P_ ev_prepare *w, int revents) 1416pendingcb (EV_P_ ev_prepare *w, int revents)
1028{ 1417{
1029} 1418}
1030 1419
1031void noinline 1420void noinline
1032ev_feed_event (EV_P_ void *w, int revents) 1421ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1033{ 1422{
1034 W w_ = (W)w; 1423 W w_ = (W)w;
1035 int pri = ABSPRI (w_); 1424 int pri = ABSPRI (w_);
1036 1425
1037 if (expect_false (w_->pending)) 1426 if (expect_false (w_->pending))
1096 if (expect_true (!anfd->reify)) 1485 if (expect_true (!anfd->reify))
1097 fd_event_nocheck (EV_A_ fd, revents); 1486 fd_event_nocheck (EV_A_ fd, revents);
1098} 1487}
1099 1488
1100void 1489void
1101ev_feed_fd_event (EV_P_ int fd, int revents) 1490ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1102{ 1491{
1103 if (fd >= 0 && fd < anfdmax) 1492 if (fd >= 0 && fd < anfdmax)
1104 fd_event_nocheck (EV_A_ fd, revents); 1493 fd_event_nocheck (EV_A_ fd, revents);
1105} 1494}
1106 1495
1456 1845
1457inline_speed void 1846inline_speed void
1458evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1847evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1459{ 1848{
1460 if (expect_true (*flag)) 1849 if (expect_true (*flag))
1461 /*return*//*D*/; 1850 return;
1462 1851
1463 *flag = 1; 1852 *flag = 1;
1464 1853
1465 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 1854 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1466 1855
1470 1859
1471 if (pipe_write_wanted) 1860 if (pipe_write_wanted)
1472 { 1861 {
1473 int old_errno; 1862 int old_errno;
1474 1863
1475 pipe_write_skipped = 0; /* just an optimsiation, no fence needed */ 1864 pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1476 1865
1477 old_errno = errno; /* save errno because write will clobber it */ 1866 old_errno = errno; /* save errno because write will clobber it */
1478 1867
1479#if EV_USE_EVENTFD 1868#if EV_USE_EVENTFD
1480 if (evfd >= 0) 1869 if (evfd >= 0)
1488 /* win32 people keep sending patches that change this write() to send() */ 1877 /* win32 people keep sending patches that change this write() to send() */
1489 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1878 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1490 /* so when you think this write should be a send instead, please find out */ 1879 /* so when you think this write should be a send instead, please find out */
1491 /* where your send() is from - it's definitely not the microsoft send, and */ 1880 /* where your send() is from - it's definitely not the microsoft send, and */
1492 /* tell me. thank you. */ 1881 /* tell me. thank you. */
1882 /* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
1883 /* check the ev documentation on how to use this flag */
1493 write (evpipe [1], &(evpipe [1]), 1); 1884 write (evpipe [1], &(evpipe [1]), 1);
1494 } 1885 }
1495 1886
1496 errno = old_errno; 1887 errno = old_errno;
1497 } 1888 }
1550} 1941}
1551 1942
1552/*****************************************************************************/ 1943/*****************************************************************************/
1553 1944
1554void 1945void
1555ev_feed_signal (int signum) 1946ev_feed_signal (int signum) EV_THROW
1556{ 1947{
1557#if EV_MULTIPLICITY 1948#if EV_MULTIPLICITY
1558 EV_P = signals [signum - 1].loop; 1949 EV_P = signals [signum - 1].loop;
1559 1950
1560 if (!EV_A) 1951 if (!EV_A)
1577 1968
1578 ev_feed_signal (signum); 1969 ev_feed_signal (signum);
1579} 1970}
1580 1971
1581void noinline 1972void noinline
1582ev_feed_signal_event (EV_P_ int signum) 1973ev_feed_signal_event (EV_P_ int signum) EV_THROW
1583{ 1974{
1584 WL w; 1975 WL w;
1585 1976
1586 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1977 if (expect_false (signum <= 0 || signum > EV_NSIG))
1587 return; 1978 return;
1703#if EV_USE_SELECT 2094#if EV_USE_SELECT
1704# include "ev_select.c" 2095# include "ev_select.c"
1705#endif 2096#endif
1706 2097
1707int ecb_cold 2098int ecb_cold
1708ev_version_major (void) 2099ev_version_major (void) EV_THROW
1709{ 2100{
1710 return EV_VERSION_MAJOR; 2101 return EV_VERSION_MAJOR;
1711} 2102}
1712 2103
1713int ecb_cold 2104int ecb_cold
1714ev_version_minor (void) 2105ev_version_minor (void) EV_THROW
1715{ 2106{
1716 return EV_VERSION_MINOR; 2107 return EV_VERSION_MINOR;
1717} 2108}
1718 2109
1719/* return true if we are running with elevated privileges and should ignore env variables */ 2110/* return true if we are running with elevated privileges and should ignore env variables */
1727 || getgid () != getegid (); 2118 || getgid () != getegid ();
1728#endif 2119#endif
1729} 2120}
1730 2121
1731unsigned int ecb_cold 2122unsigned int ecb_cold
1732ev_supported_backends (void) 2123ev_supported_backends (void) EV_THROW
1733{ 2124{
1734 unsigned int flags = 0; 2125 unsigned int flags = 0;
1735 2126
1736 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2127 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1737 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2128 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
1741 2132
1742 return flags; 2133 return flags;
1743} 2134}
1744 2135
1745unsigned int ecb_cold 2136unsigned int ecb_cold
1746ev_recommended_backends (void) 2137ev_recommended_backends (void) EV_THROW
1747{ 2138{
1748 unsigned int flags = ev_supported_backends (); 2139 unsigned int flags = ev_supported_backends ();
1749 2140
1750#ifndef __NetBSD__ 2141#ifndef __NetBSD__
1751 /* kqueue is borked on everything but netbsd apparently */ 2142 /* kqueue is borked on everything but netbsd apparently */
1763 2154
1764 return flags; 2155 return flags;
1765} 2156}
1766 2157
1767unsigned int ecb_cold 2158unsigned int ecb_cold
1768ev_embeddable_backends (void) 2159ev_embeddable_backends (void) EV_THROW
1769{ 2160{
1770 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2161 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1771 2162
1772 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2163 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1773 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2164 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1775 2166
1776 return flags; 2167 return flags;
1777} 2168}
1778 2169
1779unsigned int 2170unsigned int
1780ev_backend (EV_P) 2171ev_backend (EV_P) EV_THROW
1781{ 2172{
1782 return backend; 2173 return backend;
1783} 2174}
1784 2175
1785#if EV_FEATURE_API 2176#if EV_FEATURE_API
1786unsigned int 2177unsigned int
1787ev_iteration (EV_P) 2178ev_iteration (EV_P) EV_THROW
1788{ 2179{
1789 return loop_count; 2180 return loop_count;
1790} 2181}
1791 2182
1792unsigned int 2183unsigned int
1793ev_depth (EV_P) 2184ev_depth (EV_P) EV_THROW
1794{ 2185{
1795 return loop_depth; 2186 return loop_depth;
1796} 2187}
1797 2188
1798void 2189void
1799ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2190ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1800{ 2191{
1801 io_blocktime = interval; 2192 io_blocktime = interval;
1802} 2193}
1803 2194
1804void 2195void
1805ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2196ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1806{ 2197{
1807 timeout_blocktime = interval; 2198 timeout_blocktime = interval;
1808} 2199}
1809 2200
1810void 2201void
1811ev_set_userdata (EV_P_ void *data) 2202ev_set_userdata (EV_P_ void *data) EV_THROW
1812{ 2203{
1813 userdata = data; 2204 userdata = data;
1814} 2205}
1815 2206
1816void * 2207void *
1817ev_userdata (EV_P) 2208ev_userdata (EV_P) EV_THROW
1818{ 2209{
1819 return userdata; 2210 return userdata;
1820} 2211}
1821 2212
1822void 2213void
1823ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2214ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
1824{ 2215{
1825 invoke_cb = invoke_pending_cb; 2216 invoke_cb = invoke_pending_cb;
1826} 2217}
1827 2218
1828void 2219void
1829ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2220ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1830{ 2221{
1831 release_cb = release; 2222 release_cb = release;
1832 acquire_cb = acquire; 2223 acquire_cb = acquire;
1833} 2224}
1834#endif 2225#endif
1835 2226
1836/* initialise a loop structure, must be zero-initialised */ 2227/* initialise a loop structure, must be zero-initialised */
1837static void noinline ecb_cold 2228static void noinline ecb_cold
1838loop_init (EV_P_ unsigned int flags) 2229loop_init (EV_P_ unsigned int flags) EV_THROW
1839{ 2230{
1840 if (!backend) 2231 if (!backend)
1841 { 2232 {
1842 origflags = flags; 2233 origflags = flags;
1843 2234
2096} 2487}
2097 2488
2098#if EV_MULTIPLICITY 2489#if EV_MULTIPLICITY
2099 2490
2100struct ev_loop * ecb_cold 2491struct ev_loop * ecb_cold
2101ev_loop_new (unsigned int flags) 2492ev_loop_new (unsigned int flags) EV_THROW
2102{ 2493{
2103 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2494 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2104 2495
2105 memset (EV_A, 0, sizeof (struct ev_loop)); 2496 memset (EV_A, 0, sizeof (struct ev_loop));
2106 loop_init (EV_A_ flags); 2497 loop_init (EV_A_ flags);
2150} 2541}
2151#endif 2542#endif
2152 2543
2153#if EV_FEATURE_API 2544#if EV_FEATURE_API
2154void ecb_cold 2545void ecb_cold
2155ev_verify (EV_P) 2546ev_verify (EV_P) EV_THROW
2156{ 2547{
2157#if EV_VERIFY 2548#if EV_VERIFY
2158 int i; 2549 int i;
2159 WL w; 2550 WL w;
2160 2551
2229#if EV_MULTIPLICITY 2620#if EV_MULTIPLICITY
2230struct ev_loop * ecb_cold 2621struct ev_loop * ecb_cold
2231#else 2622#else
2232int 2623int
2233#endif 2624#endif
2234ev_default_loop (unsigned int flags) 2625ev_default_loop (unsigned int flags) EV_THROW
2235{ 2626{
2236 if (!ev_default_loop_ptr) 2627 if (!ev_default_loop_ptr)
2237 { 2628 {
2238#if EV_MULTIPLICITY 2629#if EV_MULTIPLICITY
2239 EV_P = ev_default_loop_ptr = &default_loop_struct; 2630 EV_P = ev_default_loop_ptr = &default_loop_struct;
2258 2649
2259 return ev_default_loop_ptr; 2650 return ev_default_loop_ptr;
2260} 2651}
2261 2652
2262void 2653void
2263ev_loop_fork (EV_P) 2654ev_loop_fork (EV_P) EV_THROW
2264{ 2655{
2265 postfork = 1; /* must be in line with ev_default_fork */ 2656 postfork = 1; /* must be in line with ev_default_fork */
2266} 2657}
2267 2658
2268/*****************************************************************************/ 2659/*****************************************************************************/
2272{ 2663{
2273 EV_CB_INVOKE ((W)w, revents); 2664 EV_CB_INVOKE ((W)w, revents);
2274} 2665}
2275 2666
2276unsigned int 2667unsigned int
2277ev_pending_count (EV_P) 2668ev_pending_count (EV_P) EV_THROW
2278{ 2669{
2279 int pri; 2670 int pri;
2280 unsigned int count = 0; 2671 unsigned int count = 0;
2281 2672
2282 for (pri = NUMPRI; pri--; ) 2673 for (pri = NUMPRI; pri--; )
2541 2932
2542 mn_now = ev_rt_now; 2933 mn_now = ev_rt_now;
2543 } 2934 }
2544} 2935}
2545 2936
2546void 2937int
2547ev_run (EV_P_ int flags) 2938ev_run (EV_P_ int flags)
2548{ 2939{
2549#if EV_FEATURE_API 2940#if EV_FEATURE_API
2550 ++loop_depth; 2941 ++loop_depth;
2551#endif 2942#endif
2612 time_update (EV_A_ 1e100); 3003 time_update (EV_A_ 1e100);
2613 3004
2614 /* from now on, we want a pipe-wake-up */ 3005 /* from now on, we want a pipe-wake-up */
2615 pipe_write_wanted = 1; 3006 pipe_write_wanted = 1;
2616 3007
2617 ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */ 3008 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2618 3009
2619 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped))) 3010 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2620 { 3011 {
2621 waittime = MAX_BLOCKTIME; 3012 waittime = MAX_BLOCKTIME;
2622 3013
2664#endif 3055#endif
2665 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3056 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2666 backend_poll (EV_A_ waittime); 3057 backend_poll (EV_A_ waittime);
2667 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3058 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2668 3059
2669 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3060 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2670 3061
2671 if (pipe_write_skipped) 3062 if (pipe_write_skipped)
2672 { 3063 {
2673 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3064 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2674 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3065 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2708 loop_done = EVBREAK_CANCEL; 3099 loop_done = EVBREAK_CANCEL;
2709 3100
2710#if EV_FEATURE_API 3101#if EV_FEATURE_API
2711 --loop_depth; 3102 --loop_depth;
2712#endif 3103#endif
3104
3105 return activecnt;
2713} 3106}
2714 3107
2715void 3108void
2716ev_break (EV_P_ int how) 3109ev_break (EV_P_ int how) EV_THROW
2717{ 3110{
2718 loop_done = how; 3111 loop_done = how;
2719} 3112}
2720 3113
2721void 3114void
2722ev_ref (EV_P) 3115ev_ref (EV_P) EV_THROW
2723{ 3116{
2724 ++activecnt; 3117 ++activecnt;
2725} 3118}
2726 3119
2727void 3120void
2728ev_unref (EV_P) 3121ev_unref (EV_P) EV_THROW
2729{ 3122{
2730 --activecnt; 3123 --activecnt;
2731} 3124}
2732 3125
2733void 3126void
2734ev_now_update (EV_P) 3127ev_now_update (EV_P) EV_THROW
2735{ 3128{
2736 time_update (EV_A_ 1e100); 3129 time_update (EV_A_ 1e100);
2737} 3130}
2738 3131
2739void 3132void
2740ev_suspend (EV_P) 3133ev_suspend (EV_P) EV_THROW
2741{ 3134{
2742 ev_now_update (EV_A); 3135 ev_now_update (EV_A);
2743} 3136}
2744 3137
2745void 3138void
2746ev_resume (EV_P) 3139ev_resume (EV_P) EV_THROW
2747{ 3140{
2748 ev_tstamp mn_prev = mn_now; 3141 ev_tstamp mn_prev = mn_now;
2749 3142
2750 ev_now_update (EV_A); 3143 ev_now_update (EV_A);
2751 timers_reschedule (EV_A_ mn_now - mn_prev); 3144 timers_reschedule (EV_A_ mn_now - mn_prev);
2790 w->pending = 0; 3183 w->pending = 0;
2791 } 3184 }
2792} 3185}
2793 3186
2794int 3187int
2795ev_clear_pending (EV_P_ void *w) 3188ev_clear_pending (EV_P_ void *w) EV_THROW
2796{ 3189{
2797 W w_ = (W)w; 3190 W w_ = (W)w;
2798 int pending = w_->pending; 3191 int pending = w_->pending;
2799 3192
2800 if (expect_true (pending)) 3193 if (expect_true (pending))
2833} 3226}
2834 3227
2835/*****************************************************************************/ 3228/*****************************************************************************/
2836 3229
2837void noinline 3230void noinline
2838ev_io_start (EV_P_ ev_io *w) 3231ev_io_start (EV_P_ ev_io *w) EV_THROW
2839{ 3232{
2840 int fd = w->fd; 3233 int fd = w->fd;
2841 3234
2842 if (expect_false (ev_is_active (w))) 3235 if (expect_false (ev_is_active (w)))
2843 return; 3236 return;
2856 3249
2857 EV_FREQUENT_CHECK; 3250 EV_FREQUENT_CHECK;
2858} 3251}
2859 3252
2860void noinline 3253void noinline
2861ev_io_stop (EV_P_ ev_io *w) 3254ev_io_stop (EV_P_ ev_io *w) EV_THROW
2862{ 3255{
2863 clear_pending (EV_A_ (W)w); 3256 clear_pending (EV_A_ (W)w);
2864 if (expect_false (!ev_is_active (w))) 3257 if (expect_false (!ev_is_active (w)))
2865 return; 3258 return;
2866 3259
2875 3268
2876 EV_FREQUENT_CHECK; 3269 EV_FREQUENT_CHECK;
2877} 3270}
2878 3271
2879void noinline 3272void noinline
2880ev_timer_start (EV_P_ ev_timer *w) 3273ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2881{ 3274{
2882 if (expect_false (ev_is_active (w))) 3275 if (expect_false (ev_is_active (w)))
2883 return; 3276 return;
2884 3277
2885 ev_at (w) += mn_now; 3278 ev_at (w) += mn_now;
2899 3292
2900 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3293 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2901} 3294}
2902 3295
2903void noinline 3296void noinline
2904ev_timer_stop (EV_P_ ev_timer *w) 3297ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2905{ 3298{
2906 clear_pending (EV_A_ (W)w); 3299 clear_pending (EV_A_ (W)w);
2907 if (expect_false (!ev_is_active (w))) 3300 if (expect_false (!ev_is_active (w)))
2908 return; 3301 return;
2909 3302
2929 3322
2930 EV_FREQUENT_CHECK; 3323 EV_FREQUENT_CHECK;
2931} 3324}
2932 3325
2933void noinline 3326void noinline
2934ev_timer_again (EV_P_ ev_timer *w) 3327ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2935{ 3328{
2936 EV_FREQUENT_CHECK; 3329 EV_FREQUENT_CHECK;
3330
3331 clear_pending (EV_A_ (W)w);
2937 3332
2938 if (ev_is_active (w)) 3333 if (ev_is_active (w))
2939 { 3334 {
2940 if (w->repeat) 3335 if (w->repeat)
2941 { 3336 {
2954 3349
2955 EV_FREQUENT_CHECK; 3350 EV_FREQUENT_CHECK;
2956} 3351}
2957 3352
2958ev_tstamp 3353ev_tstamp
2959ev_timer_remaining (EV_P_ ev_timer *w) 3354ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2960{ 3355{
2961 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3356 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2962} 3357}
2963 3358
2964#if EV_PERIODIC_ENABLE 3359#if EV_PERIODIC_ENABLE
2965void noinline 3360void noinline
2966ev_periodic_start (EV_P_ ev_periodic *w) 3361ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2967{ 3362{
2968 if (expect_false (ev_is_active (w))) 3363 if (expect_false (ev_is_active (w)))
2969 return; 3364 return;
2970 3365
2971 if (w->reschedule_cb) 3366 if (w->reschedule_cb)
2991 3386
2992 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3387 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2993} 3388}
2994 3389
2995void noinline 3390void noinline
2996ev_periodic_stop (EV_P_ ev_periodic *w) 3391ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2997{ 3392{
2998 clear_pending (EV_A_ (W)w); 3393 clear_pending (EV_A_ (W)w);
2999 if (expect_false (!ev_is_active (w))) 3394 if (expect_false (!ev_is_active (w)))
3000 return; 3395 return;
3001 3396
3019 3414
3020 EV_FREQUENT_CHECK; 3415 EV_FREQUENT_CHECK;
3021} 3416}
3022 3417
3023void noinline 3418void noinline
3024ev_periodic_again (EV_P_ ev_periodic *w) 3419ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3025{ 3420{
3026 /* TODO: use adjustheap and recalculation */ 3421 /* TODO: use adjustheap and recalculation */
3027 ev_periodic_stop (EV_A_ w); 3422 ev_periodic_stop (EV_A_ w);
3028 ev_periodic_start (EV_A_ w); 3423 ev_periodic_start (EV_A_ w);
3029} 3424}
3034#endif 3429#endif
3035 3430
3036#if EV_SIGNAL_ENABLE 3431#if EV_SIGNAL_ENABLE
3037 3432
3038void noinline 3433void noinline
3039ev_signal_start (EV_P_ ev_signal *w) 3434ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3040{ 3435{
3041 if (expect_false (ev_is_active (w))) 3436 if (expect_false (ev_is_active (w)))
3042 return; 3437 return;
3043 3438
3044 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3439 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3115 3510
3116 EV_FREQUENT_CHECK; 3511 EV_FREQUENT_CHECK;
3117} 3512}
3118 3513
3119void noinline 3514void noinline
3120ev_signal_stop (EV_P_ ev_signal *w) 3515ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3121{ 3516{
3122 clear_pending (EV_A_ (W)w); 3517 clear_pending (EV_A_ (W)w);
3123 if (expect_false (!ev_is_active (w))) 3518 if (expect_false (!ev_is_active (w)))
3124 return; 3519 return;
3125 3520
3156#endif 3551#endif
3157 3552
3158#if EV_CHILD_ENABLE 3553#if EV_CHILD_ENABLE
3159 3554
3160void 3555void
3161ev_child_start (EV_P_ ev_child *w) 3556ev_child_start (EV_P_ ev_child *w) EV_THROW
3162{ 3557{
3163#if EV_MULTIPLICITY 3558#if EV_MULTIPLICITY
3164 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3559 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3165#endif 3560#endif
3166 if (expect_false (ev_is_active (w))) 3561 if (expect_false (ev_is_active (w)))
3173 3568
3174 EV_FREQUENT_CHECK; 3569 EV_FREQUENT_CHECK;
3175} 3570}
3176 3571
3177void 3572void
3178ev_child_stop (EV_P_ ev_child *w) 3573ev_child_stop (EV_P_ ev_child *w) EV_THROW
3179{ 3574{
3180 clear_pending (EV_A_ (W)w); 3575 clear_pending (EV_A_ (W)w);
3181 if (expect_false (!ev_is_active (w))) 3576 if (expect_false (!ev_is_active (w)))
3182 return; 3577 return;
3183 3578
3350} 3745}
3351 3746
3352inline_size int 3747inline_size int
3353infy_newfd (void) 3748infy_newfd (void)
3354{ 3749{
3355#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3750#if defined IN_CLOEXEC && defined IN_NONBLOCK
3356 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3751 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3357 if (fd >= 0) 3752 if (fd >= 0)
3358 return fd; 3753 return fd;
3359#endif 3754#endif
3360 return inotify_init (); 3755 return inotify_init ();
3435#else 3830#else
3436# define EV_LSTAT(p,b) lstat (p, b) 3831# define EV_LSTAT(p,b) lstat (p, b)
3437#endif 3832#endif
3438 3833
3439void 3834void
3440ev_stat_stat (EV_P_ ev_stat *w) 3835ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3441{ 3836{
3442 if (lstat (w->path, &w->attr) < 0) 3837 if (lstat (w->path, &w->attr) < 0)
3443 w->attr.st_nlink = 0; 3838 w->attr.st_nlink = 0;
3444 else if (!w->attr.st_nlink) 3839 else if (!w->attr.st_nlink)
3445 w->attr.st_nlink = 1; 3840 w->attr.st_nlink = 1;
3484 ev_feed_event (EV_A_ w, EV_STAT); 3879 ev_feed_event (EV_A_ w, EV_STAT);
3485 } 3880 }
3486} 3881}
3487 3882
3488void 3883void
3489ev_stat_start (EV_P_ ev_stat *w) 3884ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3490{ 3885{
3491 if (expect_false (ev_is_active (w))) 3886 if (expect_false (ev_is_active (w)))
3492 return; 3887 return;
3493 3888
3494 ev_stat_stat (EV_A_ w); 3889 ev_stat_stat (EV_A_ w);
3515 3910
3516 EV_FREQUENT_CHECK; 3911 EV_FREQUENT_CHECK;
3517} 3912}
3518 3913
3519void 3914void
3520ev_stat_stop (EV_P_ ev_stat *w) 3915ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3521{ 3916{
3522 clear_pending (EV_A_ (W)w); 3917 clear_pending (EV_A_ (W)w);
3523 if (expect_false (!ev_is_active (w))) 3918 if (expect_false (!ev_is_active (w)))
3524 return; 3919 return;
3525 3920
3541} 3936}
3542#endif 3937#endif
3543 3938
3544#if EV_IDLE_ENABLE 3939#if EV_IDLE_ENABLE
3545void 3940void
3546ev_idle_start (EV_P_ ev_idle *w) 3941ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3547{ 3942{
3548 if (expect_false (ev_is_active (w))) 3943 if (expect_false (ev_is_active (w)))
3549 return; 3944 return;
3550 3945
3551 pri_adjust (EV_A_ (W)w); 3946 pri_adjust (EV_A_ (W)w);
3564 3959
3565 EV_FREQUENT_CHECK; 3960 EV_FREQUENT_CHECK;
3566} 3961}
3567 3962
3568void 3963void
3569ev_idle_stop (EV_P_ ev_idle *w) 3964ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3570{ 3965{
3571 clear_pending (EV_A_ (W)w); 3966 clear_pending (EV_A_ (W)w);
3572 if (expect_false (!ev_is_active (w))) 3967 if (expect_false (!ev_is_active (w)))
3573 return; 3968 return;
3574 3969
3588} 3983}
3589#endif 3984#endif
3590 3985
3591#if EV_PREPARE_ENABLE 3986#if EV_PREPARE_ENABLE
3592void 3987void
3593ev_prepare_start (EV_P_ ev_prepare *w) 3988ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3594{ 3989{
3595 if (expect_false (ev_is_active (w))) 3990 if (expect_false (ev_is_active (w)))
3596 return; 3991 return;
3597 3992
3598 EV_FREQUENT_CHECK; 3993 EV_FREQUENT_CHECK;
3603 3998
3604 EV_FREQUENT_CHECK; 3999 EV_FREQUENT_CHECK;
3605} 4000}
3606 4001
3607void 4002void
3608ev_prepare_stop (EV_P_ ev_prepare *w) 4003ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3609{ 4004{
3610 clear_pending (EV_A_ (W)w); 4005 clear_pending (EV_A_ (W)w);
3611 if (expect_false (!ev_is_active (w))) 4006 if (expect_false (!ev_is_active (w)))
3612 return; 4007 return;
3613 4008
3626} 4021}
3627#endif 4022#endif
3628 4023
3629#if EV_CHECK_ENABLE 4024#if EV_CHECK_ENABLE
3630void 4025void
3631ev_check_start (EV_P_ ev_check *w) 4026ev_check_start (EV_P_ ev_check *w) EV_THROW
3632{ 4027{
3633 if (expect_false (ev_is_active (w))) 4028 if (expect_false (ev_is_active (w)))
3634 return; 4029 return;
3635 4030
3636 EV_FREQUENT_CHECK; 4031 EV_FREQUENT_CHECK;
3641 4036
3642 EV_FREQUENT_CHECK; 4037 EV_FREQUENT_CHECK;
3643} 4038}
3644 4039
3645void 4040void
3646ev_check_stop (EV_P_ ev_check *w) 4041ev_check_stop (EV_P_ ev_check *w) EV_THROW
3647{ 4042{
3648 clear_pending (EV_A_ (W)w); 4043 clear_pending (EV_A_ (W)w);
3649 if (expect_false (!ev_is_active (w))) 4044 if (expect_false (!ev_is_active (w)))
3650 return; 4045 return;
3651 4046
3664} 4059}
3665#endif 4060#endif
3666 4061
3667#if EV_EMBED_ENABLE 4062#if EV_EMBED_ENABLE
3668void noinline 4063void noinline
3669ev_embed_sweep (EV_P_ ev_embed *w) 4064ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3670{ 4065{
3671 ev_run (w->other, EVRUN_NOWAIT); 4066 ev_run (w->other, EVRUN_NOWAIT);
3672} 4067}
3673 4068
3674static void 4069static void
3722 ev_idle_stop (EV_A_ idle); 4117 ev_idle_stop (EV_A_ idle);
3723} 4118}
3724#endif 4119#endif
3725 4120
3726void 4121void
3727ev_embed_start (EV_P_ ev_embed *w) 4122ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3728{ 4123{
3729 if (expect_false (ev_is_active (w))) 4124 if (expect_false (ev_is_active (w)))
3730 return; 4125 return;
3731 4126
3732 { 4127 {
3753 4148
3754 EV_FREQUENT_CHECK; 4149 EV_FREQUENT_CHECK;
3755} 4150}
3756 4151
3757void 4152void
3758ev_embed_stop (EV_P_ ev_embed *w) 4153ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3759{ 4154{
3760 clear_pending (EV_A_ (W)w); 4155 clear_pending (EV_A_ (W)w);
3761 if (expect_false (!ev_is_active (w))) 4156 if (expect_false (!ev_is_active (w)))
3762 return; 4157 return;
3763 4158
3773} 4168}
3774#endif 4169#endif
3775 4170
3776#if EV_FORK_ENABLE 4171#if EV_FORK_ENABLE
3777void 4172void
3778ev_fork_start (EV_P_ ev_fork *w) 4173ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3779{ 4174{
3780 if (expect_false (ev_is_active (w))) 4175 if (expect_false (ev_is_active (w)))
3781 return; 4176 return;
3782 4177
3783 EV_FREQUENT_CHECK; 4178 EV_FREQUENT_CHECK;
3788 4183
3789 EV_FREQUENT_CHECK; 4184 EV_FREQUENT_CHECK;
3790} 4185}
3791 4186
3792void 4187void
3793ev_fork_stop (EV_P_ ev_fork *w) 4188ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3794{ 4189{
3795 clear_pending (EV_A_ (W)w); 4190 clear_pending (EV_A_ (W)w);
3796 if (expect_false (!ev_is_active (w))) 4191 if (expect_false (!ev_is_active (w)))
3797 return; 4192 return;
3798 4193
3811} 4206}
3812#endif 4207#endif
3813 4208
3814#if EV_CLEANUP_ENABLE 4209#if EV_CLEANUP_ENABLE
3815void 4210void
3816ev_cleanup_start (EV_P_ ev_cleanup *w) 4211ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3817{ 4212{
3818 if (expect_false (ev_is_active (w))) 4213 if (expect_false (ev_is_active (w)))
3819 return; 4214 return;
3820 4215
3821 EV_FREQUENT_CHECK; 4216 EV_FREQUENT_CHECK;
3828 ev_unref (EV_A); 4223 ev_unref (EV_A);
3829 EV_FREQUENT_CHECK; 4224 EV_FREQUENT_CHECK;
3830} 4225}
3831 4226
3832void 4227void
3833ev_cleanup_stop (EV_P_ ev_cleanup *w) 4228ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3834{ 4229{
3835 clear_pending (EV_A_ (W)w); 4230 clear_pending (EV_A_ (W)w);
3836 if (expect_false (!ev_is_active (w))) 4231 if (expect_false (!ev_is_active (w)))
3837 return; 4232 return;
3838 4233
3852} 4247}
3853#endif 4248#endif
3854 4249
3855#if EV_ASYNC_ENABLE 4250#if EV_ASYNC_ENABLE
3856void 4251void
3857ev_async_start (EV_P_ ev_async *w) 4252ev_async_start (EV_P_ ev_async *w) EV_THROW
3858{ 4253{
3859 if (expect_false (ev_is_active (w))) 4254 if (expect_false (ev_is_active (w)))
3860 return; 4255 return;
3861 4256
3862 w->sent = 0; 4257 w->sent = 0;
3871 4266
3872 EV_FREQUENT_CHECK; 4267 EV_FREQUENT_CHECK;
3873} 4268}
3874 4269
3875void 4270void
3876ev_async_stop (EV_P_ ev_async *w) 4271ev_async_stop (EV_P_ ev_async *w) EV_THROW
3877{ 4272{
3878 clear_pending (EV_A_ (W)w); 4273 clear_pending (EV_A_ (W)w);
3879 if (expect_false (!ev_is_active (w))) 4274 if (expect_false (!ev_is_active (w)))
3880 return; 4275 return;
3881 4276
3892 4287
3893 EV_FREQUENT_CHECK; 4288 EV_FREQUENT_CHECK;
3894} 4289}
3895 4290
3896void 4291void
3897ev_async_send (EV_P_ ev_async *w) 4292ev_async_send (EV_P_ ev_async *w) EV_THROW
3898{ 4293{
3899 w->sent = 1; 4294 w->sent = 1;
3900 evpipe_write (EV_A_ &async_pending); 4295 evpipe_write (EV_A_ &async_pending);
3901} 4296}
3902#endif 4297#endif
3939 4334
3940 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4335 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3941} 4336}
3942 4337
3943void 4338void
3944ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4339ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3945{ 4340{
3946 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4341 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3947 4342
3948 if (expect_false (!once)) 4343 if (expect_false (!once))
3949 { 4344 {
3971 4366
3972/*****************************************************************************/ 4367/*****************************************************************************/
3973 4368
3974#if EV_WALK_ENABLE 4369#if EV_WALK_ENABLE
3975void ecb_cold 4370void ecb_cold
3976ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4371ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3977{ 4372{
3978 int i, j; 4373 int i, j;
3979 ev_watcher_list *wl, *wn; 4374 ev_watcher_list *wl, *wn;
3980 4375
3981 if (types & (EV_IO | EV_EMBED)) 4376 if (types & (EV_IO | EV_EMBED))
4024 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4419 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4025#endif 4420#endif
4026 4421
4027#if EV_IDLE_ENABLE 4422#if EV_IDLE_ENABLE
4028 if (types & EV_IDLE) 4423 if (types & EV_IDLE)
4029 for (j = NUMPRI; i--; ) 4424 for (j = NUMPRI; j--; )
4030 for (i = idlecnt [j]; i--; ) 4425 for (i = idlecnt [j]; i--; )
4031 cb (EV_A_ EV_IDLE, idles [j][i]); 4426 cb (EV_A_ EV_IDLE, idles [j][i]);
4032#endif 4427#endif
4033 4428
4034#if EV_FORK_ENABLE 4429#if EV_FORK_ENABLE
4087 4482
4088#if EV_MULTIPLICITY 4483#if EV_MULTIPLICITY
4089 #include "ev_wrap.h" 4484 #include "ev_wrap.h"
4090#endif 4485#endif
4091 4486
4092EV_CPP(})
4093

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