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Comparing libev/ev.c (file contents):
Revision 1.396 by root, Wed Aug 24 16:13:17 2011 UTC vs.
Revision 1.436 by root, Tue May 29 20:44:39 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>
194#else 203#else
195# include <io.h> 204# include <io.h>
196# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <winsock2.h>
197# include <windows.h> 207# include <windows.h>
198# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
199# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
200# endif 210# endif
201# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
210#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
211 221
212/* this block tries to deduce configuration from header-defined symbols and defaults */ 222/* this block tries to deduce configuration from header-defined symbols and defaults */
213 223
214/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
215#if defined (EV_NSIG) 225#if defined EV_NSIG
216/* use what's provided */ 226/* use what's provided */
217#elif defined (NSIG) 227#elif defined NSIG
218# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
219#elif defined(_NSIG) 229#elif defined _NSIG
220# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
221#elif defined (SIGMAX) 231#elif defined SIGMAX
222# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
223#elif defined (SIG_MAX) 233#elif defined SIG_MAX
224# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
225#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
226# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
227#elif defined (MAXSIG) 237#elif defined MAXSIG
228# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
229#elif defined (MAX_SIG) 239#elif defined MAX_SIG
230# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
231#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
232# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233#elif defined (_sys_nsig) 243#elif defined _sys_nsig
234# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235#else 245#else
236# error "unable to find value for NSIG, please report" 246# error "unable to find value for NSIG, please report"
237/* to make it compile regardless, just remove the above line, */ 247/* to make it compile regardless, just remove the above line, */
238/* but consider reporting it, too! :) */ 248/* but consider reporting it, too! :) */
250# define EV_USE_CLOCK_SYSCALL 0 260# define EV_USE_CLOCK_SYSCALL 0
251# endif 261# endif
252#endif 262#endif
253 263
254#ifndef EV_USE_MONOTONIC 264#ifndef EV_USE_MONOTONIC
255# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 265# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256# define EV_USE_MONOTONIC EV_FEATURE_OS 266# define EV_USE_MONOTONIC EV_FEATURE_OS
257# else 267# else
258# define EV_USE_MONOTONIC 0 268# define EV_USE_MONOTONIC 0
259# endif 269# endif
260#endif 270#endif
350#endif 360#endif
351 361
352/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 362/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
353/* which makes programs even slower. might work on other unices, too. */ 363/* which makes programs even slower. might work on other unices, too. */
354#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
355# include <syscall.h> 365# include <sys/syscall.h>
356# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
357# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
359# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
360# else 370# else
386# define EV_USE_INOTIFY 0 396# define EV_USE_INOTIFY 0
387#endif 397#endif
388 398
389#if !EV_USE_NANOSLEEP 399#if !EV_USE_NANOSLEEP
390/* hp-ux has it in sys/time.h, which we unconditionally include above */ 400/* hp-ux has it in sys/time.h, which we unconditionally include above */
391# if !defined(_WIN32) && !defined(__hpux) 401# if !defined _WIN32 && !defined __hpux
392# include <sys/select.h> 402# include <sys/select.h>
393# endif 403# endif
394#endif 404#endif
395 405
396#if EV_USE_INOTIFY 406#if EV_USE_INOTIFY
399/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 409/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400# ifndef IN_DONT_FOLLOW 410# ifndef IN_DONT_FOLLOW
401# undef EV_USE_INOTIFY 411# undef EV_USE_INOTIFY
402# define EV_USE_INOTIFY 0 412# define EV_USE_INOTIFY 0
403# endif 413# endif
404#endif
405
406#if EV_SELECT_IS_WINSOCKET
407# include <winsock.h>
408#endif 414#endif
409 415
410#if EV_USE_EVENTFD 416#if EV_USE_EVENTFD
411/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412# include <stdint.h> 418# include <stdint.h>
469/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ 475/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470/* ECB.H BEGIN */ 476/* ECB.H BEGIN */
471/* 477/*
472 * libecb - http://software.schmorp.de/pkg/libecb 478 * libecb - http://software.schmorp.de/pkg/libecb
473 * 479 *
474 * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de> 480 * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
475 * Copyright (©) 2011 Emanuele Giaquinta 481 * Copyright (©) 2011 Emanuele Giaquinta
476 * All rights reserved. 482 * All rights reserved.
477 * 483 *
478 * Redistribution and use in source and binary forms, with or without modifica- 484 * Redistribution and use in source and binary forms, with or without modifica-
479 * tion, are permitted provided that the following conditions are met: 485 * tion, are permitted provided that the following conditions are met:
524 * or so. 530 * or so.
525 * we try to detect these and simply assume they are not gcc - if they have 531 * we try to detect these and simply assume they are not gcc - if they have
526 * an issue with that they should have done it right in the first place. 532 * an issue with that they should have done it right in the first place.
527 */ 533 */
528#ifndef ECB_GCC_VERSION 534#ifndef ECB_GCC_VERSION
529 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 535 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
530 #define ECB_GCC_VERSION(major,minor) 0 536 #define ECB_GCC_VERSION(major,minor) 0
531 #else 537 #else
532 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 538 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533 #endif 539 #endif
534#endif 540#endif
536/*****************************************************************************/ 542/*****************************************************************************/
537 543
538/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ 544/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ 545/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540 546
547#if ECB_NO_THREADS
548# define ECB_NO_SMP 1
549#endif
550
541#if ECB_NO_THREADS || ECB_NO_SMP 551#if ECB_NO_THREADS || ECB_NO_SMP
542 #define ECB_MEMORY_FENCE do { } while (0) 552 #define ECB_MEMORY_FENCE do { } while (0)
543#endif 553#endif
544 554
545#ifndef ECB_MEMORY_FENCE 555#ifndef ECB_MEMORY_FENCE
546 #if ECB_GCC_VERSION(2,5) 556 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547 #if __i386__ 557 #if __i386 || __i386__
548 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 558 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
549 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ 559 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
550 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ 560 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
551 #elif __amd64 561 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 563 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
554 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ 564 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
555 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 565 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 566 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 567 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 568 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
559 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
560 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ 570 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 571 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 572 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
573 #elif __sparc || __sparc__
574 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
575 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
576 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
577 #elif defined __s390__ || defined __s390x__
578 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
579 #elif defined __mips__
580 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
581 #elif defined __alpha__
582 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
563 #endif 583 #endif
564 #endif 584 #endif
565#endif 585#endif
566 586
567#ifndef ECB_MEMORY_FENCE 587#ifndef ECB_MEMORY_FENCE
568 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) 588 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569 #define ECB_MEMORY_FENCE __sync_synchronize () 589 #define ECB_MEMORY_FENCE __sync_synchronize ()
570 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ 590 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
571 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ 591 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
572 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 592 #elif _MSC_VER >= 1400 /* VC++ 2005 */
573 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 593 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 594 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 595 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 596 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577 #elif defined(_WIN32) 597 #elif defined _WIN32
578 #include <WinNT.h> 598 #include <WinNT.h>
579 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 599 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
600 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
601 #include <mbarrier.h>
602 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
603 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
604 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
605 #elif __xlC__
606 #define ECB_MEMORY_FENCE __sync ()
580 #endif 607 #endif
581#endif 608#endif
582 609
583#ifndef ECB_MEMORY_FENCE 610#ifndef ECB_MEMORY_FENCE
584 #if !ECB_AVOID_PTHREADS 611 #if !ECB_AVOID_PTHREADS
596 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 623 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
597 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 624 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598 #endif 625 #endif
599#endif 626#endif
600 627
601#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 628#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 629 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603#endif 630#endif
604 631
605#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 632#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607#endif 634#endif
608 635
609/*****************************************************************************/ 636/*****************************************************************************/
610 637
759 786
760 return r + ecb_ld32 (x); 787 return r + ecb_ld32 (x);
761 } 788 }
762#endif 789#endif
763 790
791ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
792ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
793{
794 return ( (x * 0x0802U & 0x22110U)
795 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
796}
797
798ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
799ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
800{
801 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
802 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
803 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
804 x = ( x >> 8 ) | ( x << 8);
805
806 return x;
807}
808
809ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
810ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
811{
812 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
813 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
814 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
815 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
816 x = ( x >> 16 ) | ( x << 16);
817
818 return x;
819}
820
764/* popcount64 is only available on 64 bit cpus as gcc builtin */ 821/* popcount64 is only available on 64 bit cpus as gcc builtin */
765/* so for this version we are lazy */ 822/* so for this version we are lazy */
766ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; 823ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767ecb_function_ int 824ecb_function_ int
768ecb_popcount64 (uint64_t x) 825ecb_popcount64 (uint64_t x)
817 874
818#if ECB_GCC_VERSION(4,5) 875#if ECB_GCC_VERSION(4,5)
819 #define ecb_unreachable() __builtin_unreachable () 876 #define ecb_unreachable() __builtin_unreachable ()
820#else 877#else
821 /* this seems to work fine, but gcc always emits a warning for it :/ */ 878 /* this seems to work fine, but gcc always emits a warning for it :/ */
822 ecb_function_ void ecb_unreachable (void) ecb_noreturn; 879 ecb_inline void ecb_unreachable (void) ecb_noreturn;
823 ecb_function_ void ecb_unreachable (void) { } 880 ecb_inline void ecb_unreachable (void) { }
824#endif 881#endif
825 882
826/* try to tell the compiler that some condition is definitely true */ 883/* try to tell the compiler that some condition is definitely true */
827#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) 884#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
828 885
829ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; 886ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830ecb_function_ unsigned char 887ecb_inline unsigned char
831ecb_byteorder_helper (void) 888ecb_byteorder_helper (void)
832{ 889{
833 const uint32_t u = 0x11223344; 890 const uint32_t u = 0x11223344;
834 return *(unsigned char *)&u; 891 return *(unsigned char *)&u;
835} 892}
836 893
837ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; 894ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } 895ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; 896ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } 897ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841 898
842#if ECB_GCC_VERSION(3,0) || ECB_C99 899#if ECB_GCC_VERSION(3,0) || ECB_C99
843 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 900 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844#else 901#else
845 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 902 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
903#endif
904
905#if __cplusplus
906 template<typename T>
907 static inline T ecb_div_rd (T val, T div)
908 {
909 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
910 }
911 template<typename T>
912 static inline T ecb_div_ru (T val, T div)
913 {
914 return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
915 }
916#else
917 #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
918 #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
846#endif 919#endif
847 920
848#if ecb_cplusplus_does_not_suck 921#if ecb_cplusplus_does_not_suck
849 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ 922 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
850 template<typename T, int N> 923 template<typename T, int N>
859#endif 932#endif
860 933
861/* ECB.H END */ 934/* ECB.H END */
862 935
863#if ECB_MEMORY_FENCE_NEEDS_PTHREADS 936#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
864/* if your architetcure doesn't need memory fences, e.g. because it is 937/* if your architecture doesn't need memory fences, e.g. because it is
865 * single-cpu/core, or if you use libev in a project that doesn't use libev 938 * single-cpu/core, or if you use libev in a project that doesn't use libev
866 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling 939 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
867 * libev, in which casess the memory fences become nops. 940 * libev, in which cases the memory fences become nops.
868 * alternatively, you can remove this #error and link against libpthread, 941 * alternatively, you can remove this #error and link against libpthread,
869 * which will then provide the memory fences. 942 * which will then provide the memory fences.
870 */ 943 */
871# error "memory fences not defined for your architecture, please report" 944# error "memory fences not defined for your architecture, please report"
872#endif 945#endif
1029{ 1102{
1030 write (STDERR_FILENO, msg, strlen (msg)); 1103 write (STDERR_FILENO, msg, strlen (msg));
1031} 1104}
1032#endif 1105#endif
1033 1106
1034static void (*syserr_cb)(const char *msg); 1107static void (*syserr_cb)(const char *msg) EV_THROW;
1035 1108
1036void ecb_cold 1109void ecb_cold
1037ev_set_syserr_cb (void (*cb)(const char *msg)) 1110ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1038{ 1111{
1039 syserr_cb = cb; 1112 syserr_cb = cb;
1040} 1113}
1041 1114
1042static void noinline ecb_cold 1115static void noinline ecb_cold
1060 abort (); 1133 abort ();
1061 } 1134 }
1062} 1135}
1063 1136
1064static void * 1137static void *
1065ev_realloc_emul (void *ptr, long size) 1138ev_realloc_emul (void *ptr, long size) EV_THROW
1066{ 1139{
1067#if __GLIBC__ 1140#if __GLIBC__
1068 return realloc (ptr, size); 1141 return realloc (ptr, size);
1069#else 1142#else
1070 /* some systems, notably openbsd and darwin, fail to properly 1143 /* some systems, notably openbsd and darwin, fail to properly
1078 free (ptr); 1151 free (ptr);
1079 return 0; 1152 return 0;
1080#endif 1153#endif
1081} 1154}
1082 1155
1083static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1156static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1084 1157
1085void ecb_cold 1158void ecb_cold
1086ev_set_allocator (void *(*cb)(void *ptr, long size)) 1159ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1087{ 1160{
1088 alloc = cb; 1161 alloc = cb;
1089} 1162}
1090 1163
1091inline_speed void * 1164inline_speed void *
1179 #undef VAR 1252 #undef VAR
1180 }; 1253 };
1181 #include "ev_wrap.h" 1254 #include "ev_wrap.h"
1182 1255
1183 static struct ev_loop default_loop_struct; 1256 static struct ev_loop default_loop_struct;
1184 struct ev_loop *ev_default_loop_ptr; 1257 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1185 1258
1186#else 1259#else
1187 1260
1188 ev_tstamp ev_rt_now; 1261 EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1189 #define VAR(name,decl) static decl; 1262 #define VAR(name,decl) static decl;
1190 #include "ev_vars.h" 1263 #include "ev_vars.h"
1191 #undef VAR 1264 #undef VAR
1192 1265
1193 static int ev_default_loop_ptr; 1266 static int ev_default_loop_ptr;
1208 1281
1209/*****************************************************************************/ 1282/*****************************************************************************/
1210 1283
1211#ifndef EV_HAVE_EV_TIME 1284#ifndef EV_HAVE_EV_TIME
1212ev_tstamp 1285ev_tstamp
1213ev_time (void) 1286ev_time (void) EV_THROW
1214{ 1287{
1215#if EV_USE_REALTIME 1288#if EV_USE_REALTIME
1216 if (expect_true (have_realtime)) 1289 if (expect_true (have_realtime))
1217 { 1290 {
1218 struct timespec ts; 1291 struct timespec ts;
1242 return ev_time (); 1315 return ev_time ();
1243} 1316}
1244 1317
1245#if EV_MULTIPLICITY 1318#if EV_MULTIPLICITY
1246ev_tstamp 1319ev_tstamp
1247ev_now (EV_P) 1320ev_now (EV_P) EV_THROW
1248{ 1321{
1249 return ev_rt_now; 1322 return ev_rt_now;
1250} 1323}
1251#endif 1324#endif
1252 1325
1253void 1326void
1254ev_sleep (ev_tstamp delay) 1327ev_sleep (ev_tstamp delay) EV_THROW
1255{ 1328{
1256 if (delay > 0.) 1329 if (delay > 0.)
1257 { 1330 {
1258#if EV_USE_NANOSLEEP 1331#if EV_USE_NANOSLEEP
1259 struct timespec ts; 1332 struct timespec ts;
1260 1333
1261 EV_TS_SET (ts, delay); 1334 EV_TS_SET (ts, delay);
1262 nanosleep (&ts, 0); 1335 nanosleep (&ts, 0);
1263#elif defined(_WIN32) 1336#elif defined _WIN32
1264 Sleep ((unsigned long)(delay * 1e3)); 1337 Sleep ((unsigned long)(delay * 1e3));
1265#else 1338#else
1266 struct timeval tv; 1339 struct timeval tv;
1267 1340
1268 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1341 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1287 1360
1288 do 1361 do
1289 ncur <<= 1; 1362 ncur <<= 1;
1290 while (cnt > ncur); 1363 while (cnt > ncur);
1291 1364
1292 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ 1365 /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1293 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1366 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1294 { 1367 {
1295 ncur *= elem; 1368 ncur *= elem;
1296 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); 1369 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1297 ncur = ncur - sizeof (void *) * 4; 1370 ncur = ncur - sizeof (void *) * 4;
1340pendingcb (EV_P_ ev_prepare *w, int revents) 1413pendingcb (EV_P_ ev_prepare *w, int revents)
1341{ 1414{
1342} 1415}
1343 1416
1344void noinline 1417void noinline
1345ev_feed_event (EV_P_ void *w, int revents) 1418ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1346{ 1419{
1347 W w_ = (W)w; 1420 W w_ = (W)w;
1348 int pri = ABSPRI (w_); 1421 int pri = ABSPRI (w_);
1349 1422
1350 if (expect_false (w_->pending)) 1423 if (expect_false (w_->pending))
1354 w_->pending = ++pendingcnt [pri]; 1427 w_->pending = ++pendingcnt [pri];
1355 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1428 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1356 pendings [pri][w_->pending - 1].w = w_; 1429 pendings [pri][w_->pending - 1].w = w_;
1357 pendings [pri][w_->pending - 1].events = revents; 1430 pendings [pri][w_->pending - 1].events = revents;
1358 } 1431 }
1432
1433 pendingpri = NUMPRI - 1;
1359} 1434}
1360 1435
1361inline_speed void 1436inline_speed void
1362feed_reverse (EV_P_ W w) 1437feed_reverse (EV_P_ W w)
1363{ 1438{
1409 if (expect_true (!anfd->reify)) 1484 if (expect_true (!anfd->reify))
1410 fd_event_nocheck (EV_A_ fd, revents); 1485 fd_event_nocheck (EV_A_ fd, revents);
1411} 1486}
1412 1487
1413void 1488void
1414ev_feed_fd_event (EV_P_ int fd, int revents) 1489ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1415{ 1490{
1416 if (fd >= 0 && fd < anfdmax) 1491 if (fd >= 0 && fd < anfdmax)
1417 fd_event_nocheck (EV_A_ fd, revents); 1492 fd_event_nocheck (EV_A_ fd, revents);
1418} 1493}
1419 1494
1768} 1843}
1769 1844
1770inline_speed void 1845inline_speed void
1771evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1846evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1772{ 1847{
1848 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1849
1773 if (expect_true (*flag)) 1850 if (expect_true (*flag))
1774 return; 1851 return;
1775 1852
1776 *flag = 1; 1853 *flag = 1;
1777
1778 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 */
1779 1855
1780 pipe_write_skipped = 1; 1856 pipe_write_skipped = 1;
1781 1857
1782 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ 1858 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1783 1859
1784 if (pipe_write_wanted) 1860 if (pipe_write_wanted)
1785 { 1861 {
1786 int old_errno; 1862 int old_errno;
1787 1863
1788 pipe_write_skipped = 0; /* just an optimisation, no fence needed */ 1864 pipe_write_skipped = 0;
1865 ECB_MEMORY_FENCE_RELEASE;
1789 1866
1790 old_errno = errno; /* save errno because write will clobber it */ 1867 old_errno = errno; /* save errno because write will clobber it */
1791 1868
1792#if EV_USE_EVENTFD 1869#if EV_USE_EVENTFD
1793 if (evfd >= 0) 1870 if (evfd >= 0)
1796 write (evfd, &counter, sizeof (uint64_t)); 1873 write (evfd, &counter, sizeof (uint64_t));
1797 } 1874 }
1798 else 1875 else
1799#endif 1876#endif
1800 { 1877 {
1801 /* win32 people keep sending patches that change this write() to send() */ 1878#ifdef _WIN32
1802 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1879 WSABUF buf;
1803 /* so when you think this write should be a send instead, please find out */ 1880 DWORD sent;
1804 /* where your send() is from - it's definitely not the microsoft send, and */ 1881 buf.buf = &buf;
1805 /* tell me. thank you. */ 1882 buf.len = 1;
1883 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1884#else
1806 write (evpipe [1], &(evpipe [1]), 1); 1885 write (evpipe [1], &(evpipe [1]), 1);
1886#endif
1807 } 1887 }
1808 1888
1809 errno = old_errno; 1889 errno = old_errno;
1810 } 1890 }
1811} 1891}
1826 read (evfd, &counter, sizeof (uint64_t)); 1906 read (evfd, &counter, sizeof (uint64_t));
1827 } 1907 }
1828 else 1908 else
1829#endif 1909#endif
1830 { 1910 {
1831 char dummy; 1911 char dummy[4];
1832 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1912#ifdef _WIN32
1913 WSABUF buf;
1914 DWORD recvd;
1915 DWORD flags = 0;
1916 buf.buf = dummy;
1917 buf.len = sizeof (dummy);
1918 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
1919#else
1833 read (evpipe [0], &dummy, 1); 1920 read (evpipe [0], &dummy, sizeof (dummy));
1921#endif
1834 } 1922 }
1835 } 1923 }
1836 1924
1837 pipe_write_skipped = 0; 1925 pipe_write_skipped = 0;
1926
1927 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1838 1928
1839#if EV_SIGNAL_ENABLE 1929#if EV_SIGNAL_ENABLE
1840 if (sig_pending) 1930 if (sig_pending)
1841 { 1931 {
1842 sig_pending = 0; 1932 sig_pending = 0;
1933
1934 ECB_MEMORY_FENCE;
1843 1935
1844 for (i = EV_NSIG - 1; i--; ) 1936 for (i = EV_NSIG - 1; i--; )
1845 if (expect_false (signals [i].pending)) 1937 if (expect_false (signals [i].pending))
1846 ev_feed_signal_event (EV_A_ i + 1); 1938 ev_feed_signal_event (EV_A_ i + 1);
1847 } 1939 }
1849 1941
1850#if EV_ASYNC_ENABLE 1942#if EV_ASYNC_ENABLE
1851 if (async_pending) 1943 if (async_pending)
1852 { 1944 {
1853 async_pending = 0; 1945 async_pending = 0;
1946
1947 ECB_MEMORY_FENCE;
1854 1948
1855 for (i = asynccnt; i--; ) 1949 for (i = asynccnt; i--; )
1856 if (asyncs [i]->sent) 1950 if (asyncs [i]->sent)
1857 { 1951 {
1858 asyncs [i]->sent = 0; 1952 asyncs [i]->sent = 0;
1953 ECB_MEMORY_FENCE_RELEASE;
1859 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 1954 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1860 } 1955 }
1861 } 1956 }
1862#endif 1957#endif
1863} 1958}
1864 1959
1865/*****************************************************************************/ 1960/*****************************************************************************/
1866 1961
1867void 1962void
1868ev_feed_signal (int signum) 1963ev_feed_signal (int signum) EV_THROW
1869{ 1964{
1870#if EV_MULTIPLICITY 1965#if EV_MULTIPLICITY
1871 EV_P = signals [signum - 1].loop; 1966 EV_P = signals [signum - 1].loop;
1872 1967
1873 if (!EV_A) 1968 if (!EV_A)
1890 1985
1891 ev_feed_signal (signum); 1986 ev_feed_signal (signum);
1892} 1987}
1893 1988
1894void noinline 1989void noinline
1895ev_feed_signal_event (EV_P_ int signum) 1990ev_feed_signal_event (EV_P_ int signum) EV_THROW
1896{ 1991{
1897 WL w; 1992 WL w;
1898 1993
1899 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1994 if (expect_false (signum <= 0 || signum > EV_NSIG))
1900 return; 1995 return;
1908 if (expect_false (signals [signum].loop != EV_A)) 2003 if (expect_false (signals [signum].loop != EV_A))
1909 return; 2004 return;
1910#endif 2005#endif
1911 2006
1912 signals [signum].pending = 0; 2007 signals [signum].pending = 0;
2008 MEMORY_FENCE_RELEASE;
1913 2009
1914 for (w = signals [signum].head; w; w = w->next) 2010 for (w = signals [signum].head; w; w = w->next)
1915 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2011 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1916} 2012}
1917 2013
2016#if EV_USE_SELECT 2112#if EV_USE_SELECT
2017# include "ev_select.c" 2113# include "ev_select.c"
2018#endif 2114#endif
2019 2115
2020int ecb_cold 2116int ecb_cold
2021ev_version_major (void) 2117ev_version_major (void) EV_THROW
2022{ 2118{
2023 return EV_VERSION_MAJOR; 2119 return EV_VERSION_MAJOR;
2024} 2120}
2025 2121
2026int ecb_cold 2122int ecb_cold
2027ev_version_minor (void) 2123ev_version_minor (void) EV_THROW
2028{ 2124{
2029 return EV_VERSION_MINOR; 2125 return EV_VERSION_MINOR;
2030} 2126}
2031 2127
2032/* return true if we are running with elevated privileges and should ignore env variables */ 2128/* return true if we are running with elevated privileges and should ignore env variables */
2040 || getgid () != getegid (); 2136 || getgid () != getegid ();
2041#endif 2137#endif
2042} 2138}
2043 2139
2044unsigned int ecb_cold 2140unsigned int ecb_cold
2045ev_supported_backends (void) 2141ev_supported_backends (void) EV_THROW
2046{ 2142{
2047 unsigned int flags = 0; 2143 unsigned int flags = 0;
2048 2144
2049 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2145 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2050 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2146 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
2054 2150
2055 return flags; 2151 return flags;
2056} 2152}
2057 2153
2058unsigned int ecb_cold 2154unsigned int ecb_cold
2059ev_recommended_backends (void) 2155ev_recommended_backends (void) EV_THROW
2060{ 2156{
2061 unsigned int flags = ev_supported_backends (); 2157 unsigned int flags = ev_supported_backends ();
2062 2158
2063#ifndef __NetBSD__ 2159#ifndef __NetBSD__
2064 /* kqueue is borked on everything but netbsd apparently */ 2160 /* kqueue is borked on everything but netbsd apparently */
2076 2172
2077 return flags; 2173 return flags;
2078} 2174}
2079 2175
2080unsigned int ecb_cold 2176unsigned int ecb_cold
2081ev_embeddable_backends (void) 2177ev_embeddable_backends (void) EV_THROW
2082{ 2178{
2083 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2179 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2084 2180
2085 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2181 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2086 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2182 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2088 2184
2089 return flags; 2185 return flags;
2090} 2186}
2091 2187
2092unsigned int 2188unsigned int
2093ev_backend (EV_P) 2189ev_backend (EV_P) EV_THROW
2094{ 2190{
2095 return backend; 2191 return backend;
2096} 2192}
2097 2193
2098#if EV_FEATURE_API 2194#if EV_FEATURE_API
2099unsigned int 2195unsigned int
2100ev_iteration (EV_P) 2196ev_iteration (EV_P) EV_THROW
2101{ 2197{
2102 return loop_count; 2198 return loop_count;
2103} 2199}
2104 2200
2105unsigned int 2201unsigned int
2106ev_depth (EV_P) 2202ev_depth (EV_P) EV_THROW
2107{ 2203{
2108 return loop_depth; 2204 return loop_depth;
2109} 2205}
2110 2206
2111void 2207void
2112ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2208ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2113{ 2209{
2114 io_blocktime = interval; 2210 io_blocktime = interval;
2115} 2211}
2116 2212
2117void 2213void
2118ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2214ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2119{ 2215{
2120 timeout_blocktime = interval; 2216 timeout_blocktime = interval;
2121} 2217}
2122 2218
2123void 2219void
2124ev_set_userdata (EV_P_ void *data) 2220ev_set_userdata (EV_P_ void *data) EV_THROW
2125{ 2221{
2126 userdata = data; 2222 userdata = data;
2127} 2223}
2128 2224
2129void * 2225void *
2130ev_userdata (EV_P) 2226ev_userdata (EV_P) EV_THROW
2131{ 2227{
2132 return userdata; 2228 return userdata;
2133} 2229}
2134 2230
2135void 2231void
2136ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2232ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2137{ 2233{
2138 invoke_cb = invoke_pending_cb; 2234 invoke_cb = invoke_pending_cb;
2139} 2235}
2140 2236
2141void 2237void
2142ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2238ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2143{ 2239{
2144 release_cb = release; 2240 release_cb = release;
2145 acquire_cb = acquire; 2241 acquire_cb = acquire;
2146} 2242}
2147#endif 2243#endif
2148 2244
2149/* initialise a loop structure, must be zero-initialised */ 2245/* initialise a loop structure, must be zero-initialised */
2150static void noinline ecb_cold 2246static void noinline ecb_cold
2151loop_init (EV_P_ unsigned int flags) 2247loop_init (EV_P_ unsigned int flags) EV_THROW
2152{ 2248{
2153 if (!backend) 2249 if (!backend)
2154 { 2250 {
2155 origflags = flags; 2251 origflags = flags;
2156 2252
2261 EV_INVOKE_PENDING; 2357 EV_INVOKE_PENDING;
2262 } 2358 }
2263#endif 2359#endif
2264 2360
2265#if EV_CHILD_ENABLE 2361#if EV_CHILD_ENABLE
2266 if (ev_is_active (&childev)) 2362 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2267 { 2363 {
2268 ev_ref (EV_A); /* child watcher */ 2364 ev_ref (EV_A); /* child watcher */
2269 ev_signal_stop (EV_A_ &childev); 2365 ev_signal_stop (EV_A_ &childev);
2270 } 2366 }
2271#endif 2367#endif
2409} 2505}
2410 2506
2411#if EV_MULTIPLICITY 2507#if EV_MULTIPLICITY
2412 2508
2413struct ev_loop * ecb_cold 2509struct ev_loop * ecb_cold
2414ev_loop_new (unsigned int flags) 2510ev_loop_new (unsigned int flags) EV_THROW
2415{ 2511{
2416 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2512 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2417 2513
2418 memset (EV_A, 0, sizeof (struct ev_loop)); 2514 memset (EV_A, 0, sizeof (struct ev_loop));
2419 loop_init (EV_A_ flags); 2515 loop_init (EV_A_ flags);
2463} 2559}
2464#endif 2560#endif
2465 2561
2466#if EV_FEATURE_API 2562#if EV_FEATURE_API
2467void ecb_cold 2563void ecb_cold
2468ev_verify (EV_P) 2564ev_verify (EV_P) EV_THROW
2469{ 2565{
2470#if EV_VERIFY 2566#if EV_VERIFY
2471 int i; 2567 int i;
2472 WL w; 2568 WL w, w2;
2473 2569
2474 assert (activecnt >= -1); 2570 assert (activecnt >= -1);
2475 2571
2476 assert (fdchangemax >= fdchangecnt); 2572 assert (fdchangemax >= fdchangecnt);
2477 for (i = 0; i < fdchangecnt; ++i) 2573 for (i = 0; i < fdchangecnt; ++i)
2478 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2574 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2479 2575
2480 assert (anfdmax >= 0); 2576 assert (anfdmax >= 0);
2481 for (i = 0; i < anfdmax; ++i) 2577 for (i = 0; i < anfdmax; ++i)
2578 {
2579 int j = 0;
2580
2482 for (w = anfds [i].head; w; w = w->next) 2581 for (w = w2 = anfds [i].head; w; w = w->next)
2483 { 2582 {
2484 verify_watcher (EV_A_ (W)w); 2583 verify_watcher (EV_A_ (W)w);
2584
2585 if (j++ & 1)
2586 {
2587 assert (("libev: io watcher list contains a loop", w != w2));
2588 w2 = w2->next;
2589 }
2590
2485 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2591 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2486 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2592 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2487 } 2593 }
2594 }
2488 2595
2489 assert (timermax >= timercnt); 2596 assert (timermax >= timercnt);
2490 verify_heap (EV_A_ timers, timercnt); 2597 verify_heap (EV_A_ timers, timercnt);
2491 2598
2492#if EV_PERIODIC_ENABLE 2599#if EV_PERIODIC_ENABLE
2542#if EV_MULTIPLICITY 2649#if EV_MULTIPLICITY
2543struct ev_loop * ecb_cold 2650struct ev_loop * ecb_cold
2544#else 2651#else
2545int 2652int
2546#endif 2653#endif
2547ev_default_loop (unsigned int flags) 2654ev_default_loop (unsigned int flags) EV_THROW
2548{ 2655{
2549 if (!ev_default_loop_ptr) 2656 if (!ev_default_loop_ptr)
2550 { 2657 {
2551#if EV_MULTIPLICITY 2658#if EV_MULTIPLICITY
2552 EV_P = ev_default_loop_ptr = &default_loop_struct; 2659 EV_P = ev_default_loop_ptr = &default_loop_struct;
2571 2678
2572 return ev_default_loop_ptr; 2679 return ev_default_loop_ptr;
2573} 2680}
2574 2681
2575void 2682void
2576ev_loop_fork (EV_P) 2683ev_loop_fork (EV_P) EV_THROW
2577{ 2684{
2578 postfork = 1; /* must be in line with ev_default_fork */ 2685 postfork = 1; /* must be in line with ev_default_fork */
2579} 2686}
2580 2687
2581/*****************************************************************************/ 2688/*****************************************************************************/
2585{ 2692{
2586 EV_CB_INVOKE ((W)w, revents); 2693 EV_CB_INVOKE ((W)w, revents);
2587} 2694}
2588 2695
2589unsigned int 2696unsigned int
2590ev_pending_count (EV_P) 2697ev_pending_count (EV_P) EV_THROW
2591{ 2698{
2592 int pri; 2699 int pri;
2593 unsigned int count = 0; 2700 unsigned int count = 0;
2594 2701
2595 for (pri = NUMPRI; pri--; ) 2702 for (pri = NUMPRI; pri--; )
2599} 2706}
2600 2707
2601void noinline 2708void noinline
2602ev_invoke_pending (EV_P) 2709ev_invoke_pending (EV_P)
2603{ 2710{
2604 int pri; 2711 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2605
2606 for (pri = NUMPRI; pri--; )
2607 while (pendingcnt [pri]) 2712 while (pendingcnt [pendingpri])
2608 { 2713 {
2609 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2714 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2610 2715
2611 p->w->pending = 0; 2716 p->w->pending = 0;
2612 EV_CB_INVOKE (p->w, p->events); 2717 EV_CB_INVOKE (p->w, p->events);
2613 EV_FREQUENT_CHECK; 2718 EV_FREQUENT_CHECK;
2614 } 2719 }
2709{ 2814{
2710 EV_FREQUENT_CHECK; 2815 EV_FREQUENT_CHECK;
2711 2816
2712 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2817 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2713 { 2818 {
2714 int feed_count = 0;
2715
2716 do 2819 do
2717 { 2820 {
2718 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2821 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2719 2822
2720 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 2823 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
2854 2957
2855 mn_now = ev_rt_now; 2958 mn_now = ev_rt_now;
2856 } 2959 }
2857} 2960}
2858 2961
2859void 2962int
2860ev_run (EV_P_ int flags) 2963ev_run (EV_P_ int flags)
2861{ 2964{
2862#if EV_FEATURE_API 2965#if EV_FEATURE_API
2863 ++loop_depth; 2966 ++loop_depth;
2864#endif 2967#endif
2977#endif 3080#endif
2978 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3081 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2979 backend_poll (EV_A_ waittime); 3082 backend_poll (EV_A_ waittime);
2980 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3083 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2981 3084
2982 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3085 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2983 3086
2984 if (pipe_write_skipped) 3087 if (pipe_write_skipped)
2985 { 3088 {
2986 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3089 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2987 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3090 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3021 loop_done = EVBREAK_CANCEL; 3124 loop_done = EVBREAK_CANCEL;
3022 3125
3023#if EV_FEATURE_API 3126#if EV_FEATURE_API
3024 --loop_depth; 3127 --loop_depth;
3025#endif 3128#endif
3129
3130 return activecnt;
3026} 3131}
3027 3132
3028void 3133void
3029ev_break (EV_P_ int how) 3134ev_break (EV_P_ int how) EV_THROW
3030{ 3135{
3031 loop_done = how; 3136 loop_done = how;
3032} 3137}
3033 3138
3034void 3139void
3035ev_ref (EV_P) 3140ev_ref (EV_P) EV_THROW
3036{ 3141{
3037 ++activecnt; 3142 ++activecnt;
3038} 3143}
3039 3144
3040void 3145void
3041ev_unref (EV_P) 3146ev_unref (EV_P) EV_THROW
3042{ 3147{
3043 --activecnt; 3148 --activecnt;
3044} 3149}
3045 3150
3046void 3151void
3047ev_now_update (EV_P) 3152ev_now_update (EV_P) EV_THROW
3048{ 3153{
3049 time_update (EV_A_ 1e100); 3154 time_update (EV_A_ 1e100);
3050} 3155}
3051 3156
3052void 3157void
3053ev_suspend (EV_P) 3158ev_suspend (EV_P) EV_THROW
3054{ 3159{
3055 ev_now_update (EV_A); 3160 ev_now_update (EV_A);
3056} 3161}
3057 3162
3058void 3163void
3059ev_resume (EV_P) 3164ev_resume (EV_P) EV_THROW
3060{ 3165{
3061 ev_tstamp mn_prev = mn_now; 3166 ev_tstamp mn_prev = mn_now;
3062 3167
3063 ev_now_update (EV_A); 3168 ev_now_update (EV_A);
3064 timers_reschedule (EV_A_ mn_now - mn_prev); 3169 timers_reschedule (EV_A_ mn_now - mn_prev);
3103 w->pending = 0; 3208 w->pending = 0;
3104 } 3209 }
3105} 3210}
3106 3211
3107int 3212int
3108ev_clear_pending (EV_P_ void *w) 3213ev_clear_pending (EV_P_ void *w) EV_THROW
3109{ 3214{
3110 W w_ = (W)w; 3215 W w_ = (W)w;
3111 int pending = w_->pending; 3216 int pending = w_->pending;
3112 3217
3113 if (expect_true (pending)) 3218 if (expect_true (pending))
3146} 3251}
3147 3252
3148/*****************************************************************************/ 3253/*****************************************************************************/
3149 3254
3150void noinline 3255void noinline
3151ev_io_start (EV_P_ ev_io *w) 3256ev_io_start (EV_P_ ev_io *w) EV_THROW
3152{ 3257{
3153 int fd = w->fd; 3258 int fd = w->fd;
3154 3259
3155 if (expect_false (ev_is_active (w))) 3260 if (expect_false (ev_is_active (w)))
3156 return; 3261 return;
3162 3267
3163 ev_start (EV_A_ (W)w, 1); 3268 ev_start (EV_A_ (W)w, 1);
3164 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3269 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3165 wlist_add (&anfds[fd].head, (WL)w); 3270 wlist_add (&anfds[fd].head, (WL)w);
3166 3271
3272 /* common bug, apparently */
3273 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3274
3167 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3275 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3168 w->events &= ~EV__IOFDSET; 3276 w->events &= ~EV__IOFDSET;
3169 3277
3170 EV_FREQUENT_CHECK; 3278 EV_FREQUENT_CHECK;
3171} 3279}
3172 3280
3173void noinline 3281void noinline
3174ev_io_stop (EV_P_ ev_io *w) 3282ev_io_stop (EV_P_ ev_io *w) EV_THROW
3175{ 3283{
3176 clear_pending (EV_A_ (W)w); 3284 clear_pending (EV_A_ (W)w);
3177 if (expect_false (!ev_is_active (w))) 3285 if (expect_false (!ev_is_active (w)))
3178 return; 3286 return;
3179 3287
3188 3296
3189 EV_FREQUENT_CHECK; 3297 EV_FREQUENT_CHECK;
3190} 3298}
3191 3299
3192void noinline 3300void noinline
3193ev_timer_start (EV_P_ ev_timer *w) 3301ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3194{ 3302{
3195 if (expect_false (ev_is_active (w))) 3303 if (expect_false (ev_is_active (w)))
3196 return; 3304 return;
3197 3305
3198 ev_at (w) += mn_now; 3306 ev_at (w) += mn_now;
3212 3320
3213 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3321 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3214} 3322}
3215 3323
3216void noinline 3324void noinline
3217ev_timer_stop (EV_P_ ev_timer *w) 3325ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3218{ 3326{
3219 clear_pending (EV_A_ (W)w); 3327 clear_pending (EV_A_ (W)w);
3220 if (expect_false (!ev_is_active (w))) 3328 if (expect_false (!ev_is_active (w)))
3221 return; 3329 return;
3222 3330
3242 3350
3243 EV_FREQUENT_CHECK; 3351 EV_FREQUENT_CHECK;
3244} 3352}
3245 3353
3246void noinline 3354void noinline
3247ev_timer_again (EV_P_ ev_timer *w) 3355ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3248{ 3356{
3249 EV_FREQUENT_CHECK; 3357 EV_FREQUENT_CHECK;
3358
3359 clear_pending (EV_A_ (W)w);
3250 3360
3251 if (ev_is_active (w)) 3361 if (ev_is_active (w))
3252 { 3362 {
3253 if (w->repeat) 3363 if (w->repeat)
3254 { 3364 {
3267 3377
3268 EV_FREQUENT_CHECK; 3378 EV_FREQUENT_CHECK;
3269} 3379}
3270 3380
3271ev_tstamp 3381ev_tstamp
3272ev_timer_remaining (EV_P_ ev_timer *w) 3382ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3273{ 3383{
3274 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3384 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3275} 3385}
3276 3386
3277#if EV_PERIODIC_ENABLE 3387#if EV_PERIODIC_ENABLE
3278void noinline 3388void noinline
3279ev_periodic_start (EV_P_ ev_periodic *w) 3389ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3280{ 3390{
3281 if (expect_false (ev_is_active (w))) 3391 if (expect_false (ev_is_active (w)))
3282 return; 3392 return;
3283 3393
3284 if (w->reschedule_cb) 3394 if (w->reschedule_cb)
3304 3414
3305 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3415 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3306} 3416}
3307 3417
3308void noinline 3418void noinline
3309ev_periodic_stop (EV_P_ ev_periodic *w) 3419ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3310{ 3420{
3311 clear_pending (EV_A_ (W)w); 3421 clear_pending (EV_A_ (W)w);
3312 if (expect_false (!ev_is_active (w))) 3422 if (expect_false (!ev_is_active (w)))
3313 return; 3423 return;
3314 3424
3332 3442
3333 EV_FREQUENT_CHECK; 3443 EV_FREQUENT_CHECK;
3334} 3444}
3335 3445
3336void noinline 3446void noinline
3337ev_periodic_again (EV_P_ ev_periodic *w) 3447ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3338{ 3448{
3339 /* TODO: use adjustheap and recalculation */ 3449 /* TODO: use adjustheap and recalculation */
3340 ev_periodic_stop (EV_A_ w); 3450 ev_periodic_stop (EV_A_ w);
3341 ev_periodic_start (EV_A_ w); 3451 ev_periodic_start (EV_A_ w);
3342} 3452}
3347#endif 3457#endif
3348 3458
3349#if EV_SIGNAL_ENABLE 3459#if EV_SIGNAL_ENABLE
3350 3460
3351void noinline 3461void noinline
3352ev_signal_start (EV_P_ ev_signal *w) 3462ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3353{ 3463{
3354 if (expect_false (ev_is_active (w))) 3464 if (expect_false (ev_is_active (w)))
3355 return; 3465 return;
3356 3466
3357 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3467 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3428 3538
3429 EV_FREQUENT_CHECK; 3539 EV_FREQUENT_CHECK;
3430} 3540}
3431 3541
3432void noinline 3542void noinline
3433ev_signal_stop (EV_P_ ev_signal *w) 3543ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3434{ 3544{
3435 clear_pending (EV_A_ (W)w); 3545 clear_pending (EV_A_ (W)w);
3436 if (expect_false (!ev_is_active (w))) 3546 if (expect_false (!ev_is_active (w)))
3437 return; 3547 return;
3438 3548
3469#endif 3579#endif
3470 3580
3471#if EV_CHILD_ENABLE 3581#if EV_CHILD_ENABLE
3472 3582
3473void 3583void
3474ev_child_start (EV_P_ ev_child *w) 3584ev_child_start (EV_P_ ev_child *w) EV_THROW
3475{ 3585{
3476#if EV_MULTIPLICITY 3586#if EV_MULTIPLICITY
3477 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3587 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3478#endif 3588#endif
3479 if (expect_false (ev_is_active (w))) 3589 if (expect_false (ev_is_active (w)))
3486 3596
3487 EV_FREQUENT_CHECK; 3597 EV_FREQUENT_CHECK;
3488} 3598}
3489 3599
3490void 3600void
3491ev_child_stop (EV_P_ ev_child *w) 3601ev_child_stop (EV_P_ ev_child *w) EV_THROW
3492{ 3602{
3493 clear_pending (EV_A_ (W)w); 3603 clear_pending (EV_A_ (W)w);
3494 if (expect_false (!ev_is_active (w))) 3604 if (expect_false (!ev_is_active (w)))
3495 return; 3605 return;
3496 3606
3663} 3773}
3664 3774
3665inline_size int 3775inline_size int
3666infy_newfd (void) 3776infy_newfd (void)
3667{ 3777{
3668#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3778#if defined IN_CLOEXEC && defined IN_NONBLOCK
3669 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3779 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3670 if (fd >= 0) 3780 if (fd >= 0)
3671 return fd; 3781 return fd;
3672#endif 3782#endif
3673 return inotify_init (); 3783 return inotify_init ();
3748#else 3858#else
3749# define EV_LSTAT(p,b) lstat (p, b) 3859# define EV_LSTAT(p,b) lstat (p, b)
3750#endif 3860#endif
3751 3861
3752void 3862void
3753ev_stat_stat (EV_P_ ev_stat *w) 3863ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3754{ 3864{
3755 if (lstat (w->path, &w->attr) < 0) 3865 if (lstat (w->path, &w->attr) < 0)
3756 w->attr.st_nlink = 0; 3866 w->attr.st_nlink = 0;
3757 else if (!w->attr.st_nlink) 3867 else if (!w->attr.st_nlink)
3758 w->attr.st_nlink = 1; 3868 w->attr.st_nlink = 1;
3797 ev_feed_event (EV_A_ w, EV_STAT); 3907 ev_feed_event (EV_A_ w, EV_STAT);
3798 } 3908 }
3799} 3909}
3800 3910
3801void 3911void
3802ev_stat_start (EV_P_ ev_stat *w) 3912ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3803{ 3913{
3804 if (expect_false (ev_is_active (w))) 3914 if (expect_false (ev_is_active (w)))
3805 return; 3915 return;
3806 3916
3807 ev_stat_stat (EV_A_ w); 3917 ev_stat_stat (EV_A_ w);
3828 3938
3829 EV_FREQUENT_CHECK; 3939 EV_FREQUENT_CHECK;
3830} 3940}
3831 3941
3832void 3942void
3833ev_stat_stop (EV_P_ ev_stat *w) 3943ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3834{ 3944{
3835 clear_pending (EV_A_ (W)w); 3945 clear_pending (EV_A_ (W)w);
3836 if (expect_false (!ev_is_active (w))) 3946 if (expect_false (!ev_is_active (w)))
3837 return; 3947 return;
3838 3948
3854} 3964}
3855#endif 3965#endif
3856 3966
3857#if EV_IDLE_ENABLE 3967#if EV_IDLE_ENABLE
3858void 3968void
3859ev_idle_start (EV_P_ ev_idle *w) 3969ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3860{ 3970{
3861 if (expect_false (ev_is_active (w))) 3971 if (expect_false (ev_is_active (w)))
3862 return; 3972 return;
3863 3973
3864 pri_adjust (EV_A_ (W)w); 3974 pri_adjust (EV_A_ (W)w);
3877 3987
3878 EV_FREQUENT_CHECK; 3988 EV_FREQUENT_CHECK;
3879} 3989}
3880 3990
3881void 3991void
3882ev_idle_stop (EV_P_ ev_idle *w) 3992ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3883{ 3993{
3884 clear_pending (EV_A_ (W)w); 3994 clear_pending (EV_A_ (W)w);
3885 if (expect_false (!ev_is_active (w))) 3995 if (expect_false (!ev_is_active (w)))
3886 return; 3996 return;
3887 3997
3901} 4011}
3902#endif 4012#endif
3903 4013
3904#if EV_PREPARE_ENABLE 4014#if EV_PREPARE_ENABLE
3905void 4015void
3906ev_prepare_start (EV_P_ ev_prepare *w) 4016ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3907{ 4017{
3908 if (expect_false (ev_is_active (w))) 4018 if (expect_false (ev_is_active (w)))
3909 return; 4019 return;
3910 4020
3911 EV_FREQUENT_CHECK; 4021 EV_FREQUENT_CHECK;
3916 4026
3917 EV_FREQUENT_CHECK; 4027 EV_FREQUENT_CHECK;
3918} 4028}
3919 4029
3920void 4030void
3921ev_prepare_stop (EV_P_ ev_prepare *w) 4031ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3922{ 4032{
3923 clear_pending (EV_A_ (W)w); 4033 clear_pending (EV_A_ (W)w);
3924 if (expect_false (!ev_is_active (w))) 4034 if (expect_false (!ev_is_active (w)))
3925 return; 4035 return;
3926 4036
3939} 4049}
3940#endif 4050#endif
3941 4051
3942#if EV_CHECK_ENABLE 4052#if EV_CHECK_ENABLE
3943void 4053void
3944ev_check_start (EV_P_ ev_check *w) 4054ev_check_start (EV_P_ ev_check *w) EV_THROW
3945{ 4055{
3946 if (expect_false (ev_is_active (w))) 4056 if (expect_false (ev_is_active (w)))
3947 return; 4057 return;
3948 4058
3949 EV_FREQUENT_CHECK; 4059 EV_FREQUENT_CHECK;
3954 4064
3955 EV_FREQUENT_CHECK; 4065 EV_FREQUENT_CHECK;
3956} 4066}
3957 4067
3958void 4068void
3959ev_check_stop (EV_P_ ev_check *w) 4069ev_check_stop (EV_P_ ev_check *w) EV_THROW
3960{ 4070{
3961 clear_pending (EV_A_ (W)w); 4071 clear_pending (EV_A_ (W)w);
3962 if (expect_false (!ev_is_active (w))) 4072 if (expect_false (!ev_is_active (w)))
3963 return; 4073 return;
3964 4074
3977} 4087}
3978#endif 4088#endif
3979 4089
3980#if EV_EMBED_ENABLE 4090#if EV_EMBED_ENABLE
3981void noinline 4091void noinline
3982ev_embed_sweep (EV_P_ ev_embed *w) 4092ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3983{ 4093{
3984 ev_run (w->other, EVRUN_NOWAIT); 4094 ev_run (w->other, EVRUN_NOWAIT);
3985} 4095}
3986 4096
3987static void 4097static void
4035 ev_idle_stop (EV_A_ idle); 4145 ev_idle_stop (EV_A_ idle);
4036} 4146}
4037#endif 4147#endif
4038 4148
4039void 4149void
4040ev_embed_start (EV_P_ ev_embed *w) 4150ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4041{ 4151{
4042 if (expect_false (ev_is_active (w))) 4152 if (expect_false (ev_is_active (w)))
4043 return; 4153 return;
4044 4154
4045 { 4155 {
4066 4176
4067 EV_FREQUENT_CHECK; 4177 EV_FREQUENT_CHECK;
4068} 4178}
4069 4179
4070void 4180void
4071ev_embed_stop (EV_P_ ev_embed *w) 4181ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4072{ 4182{
4073 clear_pending (EV_A_ (W)w); 4183 clear_pending (EV_A_ (W)w);
4074 if (expect_false (!ev_is_active (w))) 4184 if (expect_false (!ev_is_active (w)))
4075 return; 4185 return;
4076 4186
4086} 4196}
4087#endif 4197#endif
4088 4198
4089#if EV_FORK_ENABLE 4199#if EV_FORK_ENABLE
4090void 4200void
4091ev_fork_start (EV_P_ ev_fork *w) 4201ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4092{ 4202{
4093 if (expect_false (ev_is_active (w))) 4203 if (expect_false (ev_is_active (w)))
4094 return; 4204 return;
4095 4205
4096 EV_FREQUENT_CHECK; 4206 EV_FREQUENT_CHECK;
4101 4211
4102 EV_FREQUENT_CHECK; 4212 EV_FREQUENT_CHECK;
4103} 4213}
4104 4214
4105void 4215void
4106ev_fork_stop (EV_P_ ev_fork *w) 4216ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4107{ 4217{
4108 clear_pending (EV_A_ (W)w); 4218 clear_pending (EV_A_ (W)w);
4109 if (expect_false (!ev_is_active (w))) 4219 if (expect_false (!ev_is_active (w)))
4110 return; 4220 return;
4111 4221
4124} 4234}
4125#endif 4235#endif
4126 4236
4127#if EV_CLEANUP_ENABLE 4237#if EV_CLEANUP_ENABLE
4128void 4238void
4129ev_cleanup_start (EV_P_ ev_cleanup *w) 4239ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4130{ 4240{
4131 if (expect_false (ev_is_active (w))) 4241 if (expect_false (ev_is_active (w)))
4132 return; 4242 return;
4133 4243
4134 EV_FREQUENT_CHECK; 4244 EV_FREQUENT_CHECK;
4141 ev_unref (EV_A); 4251 ev_unref (EV_A);
4142 EV_FREQUENT_CHECK; 4252 EV_FREQUENT_CHECK;
4143} 4253}
4144 4254
4145void 4255void
4146ev_cleanup_stop (EV_P_ ev_cleanup *w) 4256ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4147{ 4257{
4148 clear_pending (EV_A_ (W)w); 4258 clear_pending (EV_A_ (W)w);
4149 if (expect_false (!ev_is_active (w))) 4259 if (expect_false (!ev_is_active (w)))
4150 return; 4260 return;
4151 4261
4165} 4275}
4166#endif 4276#endif
4167 4277
4168#if EV_ASYNC_ENABLE 4278#if EV_ASYNC_ENABLE
4169void 4279void
4170ev_async_start (EV_P_ ev_async *w) 4280ev_async_start (EV_P_ ev_async *w) EV_THROW
4171{ 4281{
4172 if (expect_false (ev_is_active (w))) 4282 if (expect_false (ev_is_active (w)))
4173 return; 4283 return;
4174 4284
4175 w->sent = 0; 4285 w->sent = 0;
4184 4294
4185 EV_FREQUENT_CHECK; 4295 EV_FREQUENT_CHECK;
4186} 4296}
4187 4297
4188void 4298void
4189ev_async_stop (EV_P_ ev_async *w) 4299ev_async_stop (EV_P_ ev_async *w) EV_THROW
4190{ 4300{
4191 clear_pending (EV_A_ (W)w); 4301 clear_pending (EV_A_ (W)w);
4192 if (expect_false (!ev_is_active (w))) 4302 if (expect_false (!ev_is_active (w)))
4193 return; 4303 return;
4194 4304
4205 4315
4206 EV_FREQUENT_CHECK; 4316 EV_FREQUENT_CHECK;
4207} 4317}
4208 4318
4209void 4319void
4210ev_async_send (EV_P_ ev_async *w) 4320ev_async_send (EV_P_ ev_async *w) EV_THROW
4211{ 4321{
4212 w->sent = 1; 4322 w->sent = 1;
4213 evpipe_write (EV_A_ &async_pending); 4323 evpipe_write (EV_A_ &async_pending);
4214} 4324}
4215#endif 4325#endif
4252 4362
4253 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4363 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4254} 4364}
4255 4365
4256void 4366void
4257ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4367ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4258{ 4368{
4259 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4369 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4260 4370
4261 if (expect_false (!once)) 4371 if (expect_false (!once))
4262 { 4372 {
4284 4394
4285/*****************************************************************************/ 4395/*****************************************************************************/
4286 4396
4287#if EV_WALK_ENABLE 4397#if EV_WALK_ENABLE
4288void ecb_cold 4398void ecb_cold
4289ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4399ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4290{ 4400{
4291 int i, j; 4401 int i, j;
4292 ev_watcher_list *wl, *wn; 4402 ev_watcher_list *wl, *wn;
4293 4403
4294 if (types & (EV_IO | EV_EMBED)) 4404 if (types & (EV_IO | EV_EMBED))
4400 4510
4401#if EV_MULTIPLICITY 4511#if EV_MULTIPLICITY
4402 #include "ev_wrap.h" 4512 #include "ev_wrap.h"
4403#endif 4513#endif
4404 4514
4405EV_CPP(})
4406

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