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Comparing libev/ev.c (file contents):
Revision 1.395 by root, Wed Aug 24 16:08:17 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
937/* if your architecture doesn't need memory fences, e.g. because it is
938 * single-cpu/core, or if you use libev in a project that doesn't use libev
939 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
940 * libev, in which cases the memory fences become nops.
941 * alternatively, you can remove this #error and link against libpthread,
942 * which will then provide the memory fences.
943 */
944# error "memory fences not defined for your architecture, please report"
945#endif
946
864# undef ECB_MEMORY_FENCE 947#ifndef ECB_MEMORY_FENCE
865# undef ECB_MEMORY_FENCE_ACQUIRE 948# define ECB_MEMORY_FENCE do { } while (0)
866# undef ECB_MEMORY_FENCE_RELEASE 949# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
950# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
867#endif 951#endif
868 952
869#define expect_false(cond) ecb_expect_false (cond) 953#define expect_false(cond) ecb_expect_false (cond)
870#define expect_true(cond) ecb_expect_true (cond) 954#define expect_true(cond) ecb_expect_true (cond)
871#define noinline ecb_noinline 955#define noinline ecb_noinline
1018{ 1102{
1019 write (STDERR_FILENO, msg, strlen (msg)); 1103 write (STDERR_FILENO, msg, strlen (msg));
1020} 1104}
1021#endif 1105#endif
1022 1106
1023static void (*syserr_cb)(const char *msg); 1107static void (*syserr_cb)(const char *msg) EV_THROW;
1024 1108
1025void ecb_cold 1109void ecb_cold
1026ev_set_syserr_cb (void (*cb)(const char *msg)) 1110ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1027{ 1111{
1028 syserr_cb = cb; 1112 syserr_cb = cb;
1029} 1113}
1030 1114
1031static void noinline ecb_cold 1115static void noinline ecb_cold
1049 abort (); 1133 abort ();
1050 } 1134 }
1051} 1135}
1052 1136
1053static void * 1137static void *
1054ev_realloc_emul (void *ptr, long size) 1138ev_realloc_emul (void *ptr, long size) EV_THROW
1055{ 1139{
1056#if __GLIBC__ 1140#if __GLIBC__
1057 return realloc (ptr, size); 1141 return realloc (ptr, size);
1058#else 1142#else
1059 /* some systems, notably openbsd and darwin, fail to properly 1143 /* some systems, notably openbsd and darwin, fail to properly
1067 free (ptr); 1151 free (ptr);
1068 return 0; 1152 return 0;
1069#endif 1153#endif
1070} 1154}
1071 1155
1072static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1156static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1073 1157
1074void ecb_cold 1158void ecb_cold
1075ev_set_allocator (void *(*cb)(void *ptr, long size)) 1159ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1076{ 1160{
1077 alloc = cb; 1161 alloc = cb;
1078} 1162}
1079 1163
1080inline_speed void * 1164inline_speed void *
1168 #undef VAR 1252 #undef VAR
1169 }; 1253 };
1170 #include "ev_wrap.h" 1254 #include "ev_wrap.h"
1171 1255
1172 static struct ev_loop default_loop_struct; 1256 static struct ev_loop default_loop_struct;
1173 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 */
1174 1258
1175#else 1259#else
1176 1260
1177 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 */
1178 #define VAR(name,decl) static decl; 1262 #define VAR(name,decl) static decl;
1179 #include "ev_vars.h" 1263 #include "ev_vars.h"
1180 #undef VAR 1264 #undef VAR
1181 1265
1182 static int ev_default_loop_ptr; 1266 static int ev_default_loop_ptr;
1197 1281
1198/*****************************************************************************/ 1282/*****************************************************************************/
1199 1283
1200#ifndef EV_HAVE_EV_TIME 1284#ifndef EV_HAVE_EV_TIME
1201ev_tstamp 1285ev_tstamp
1202ev_time (void) 1286ev_time (void) EV_THROW
1203{ 1287{
1204#if EV_USE_REALTIME 1288#if EV_USE_REALTIME
1205 if (expect_true (have_realtime)) 1289 if (expect_true (have_realtime))
1206 { 1290 {
1207 struct timespec ts; 1291 struct timespec ts;
1231 return ev_time (); 1315 return ev_time ();
1232} 1316}
1233 1317
1234#if EV_MULTIPLICITY 1318#if EV_MULTIPLICITY
1235ev_tstamp 1319ev_tstamp
1236ev_now (EV_P) 1320ev_now (EV_P) EV_THROW
1237{ 1321{
1238 return ev_rt_now; 1322 return ev_rt_now;
1239} 1323}
1240#endif 1324#endif
1241 1325
1242void 1326void
1243ev_sleep (ev_tstamp delay) 1327ev_sleep (ev_tstamp delay) EV_THROW
1244{ 1328{
1245 if (delay > 0.) 1329 if (delay > 0.)
1246 { 1330 {
1247#if EV_USE_NANOSLEEP 1331#if EV_USE_NANOSLEEP
1248 struct timespec ts; 1332 struct timespec ts;
1249 1333
1250 EV_TS_SET (ts, delay); 1334 EV_TS_SET (ts, delay);
1251 nanosleep (&ts, 0); 1335 nanosleep (&ts, 0);
1252#elif defined(_WIN32) 1336#elif defined _WIN32
1253 Sleep ((unsigned long)(delay * 1e3)); 1337 Sleep ((unsigned long)(delay * 1e3));
1254#else 1338#else
1255 struct timeval tv; 1339 struct timeval tv;
1256 1340
1257 /* 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 */
1276 1360
1277 do 1361 do
1278 ncur <<= 1; 1362 ncur <<= 1;
1279 while (cnt > ncur); 1363 while (cnt > ncur);
1280 1364
1281 /* 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 */
1282 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1366 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1283 { 1367 {
1284 ncur *= elem; 1368 ncur *= elem;
1285 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);
1286 ncur = ncur - sizeof (void *) * 4; 1370 ncur = ncur - sizeof (void *) * 4;
1329pendingcb (EV_P_ ev_prepare *w, int revents) 1413pendingcb (EV_P_ ev_prepare *w, int revents)
1330{ 1414{
1331} 1415}
1332 1416
1333void noinline 1417void noinline
1334ev_feed_event (EV_P_ void *w, int revents) 1418ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1335{ 1419{
1336 W w_ = (W)w; 1420 W w_ = (W)w;
1337 int pri = ABSPRI (w_); 1421 int pri = ABSPRI (w_);
1338 1422
1339 if (expect_false (w_->pending)) 1423 if (expect_false (w_->pending))
1343 w_->pending = ++pendingcnt [pri]; 1427 w_->pending = ++pendingcnt [pri];
1344 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1428 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1345 pendings [pri][w_->pending - 1].w = w_; 1429 pendings [pri][w_->pending - 1].w = w_;
1346 pendings [pri][w_->pending - 1].events = revents; 1430 pendings [pri][w_->pending - 1].events = revents;
1347 } 1431 }
1432
1433 pendingpri = NUMPRI - 1;
1348} 1434}
1349 1435
1350inline_speed void 1436inline_speed void
1351feed_reverse (EV_P_ W w) 1437feed_reverse (EV_P_ W w)
1352{ 1438{
1398 if (expect_true (!anfd->reify)) 1484 if (expect_true (!anfd->reify))
1399 fd_event_nocheck (EV_A_ fd, revents); 1485 fd_event_nocheck (EV_A_ fd, revents);
1400} 1486}
1401 1487
1402void 1488void
1403ev_feed_fd_event (EV_P_ int fd, int revents) 1489ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1404{ 1490{
1405 if (fd >= 0 && fd < anfdmax) 1491 if (fd >= 0 && fd < anfdmax)
1406 fd_event_nocheck (EV_A_ fd, revents); 1492 fd_event_nocheck (EV_A_ fd, revents);
1407} 1493}
1408 1494
1757} 1843}
1758 1844
1759inline_speed void 1845inline_speed void
1760evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1846evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1761{ 1847{
1848 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1849
1762 if (expect_true (*flag)) 1850 if (expect_true (*flag))
1763 return; 1851 return;
1764 1852
1765 *flag = 1; 1853 *flag = 1;
1766
1767 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 */
1768 1855
1769 pipe_write_skipped = 1; 1856 pipe_write_skipped = 1;
1770 1857
1771 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 */
1772 1859
1773 if (pipe_write_wanted) 1860 if (pipe_write_wanted)
1774 { 1861 {
1775 int old_errno; 1862 int old_errno;
1776 1863
1777 pipe_write_skipped = 0; /* just an optimisation, no fence needed */ 1864 pipe_write_skipped = 0;
1865 ECB_MEMORY_FENCE_RELEASE;
1778 1866
1779 old_errno = errno; /* save errno because write will clobber it */ 1867 old_errno = errno; /* save errno because write will clobber it */
1780 1868
1781#if EV_USE_EVENTFD 1869#if EV_USE_EVENTFD
1782 if (evfd >= 0) 1870 if (evfd >= 0)
1785 write (evfd, &counter, sizeof (uint64_t)); 1873 write (evfd, &counter, sizeof (uint64_t));
1786 } 1874 }
1787 else 1875 else
1788#endif 1876#endif
1789 { 1877 {
1790 /* win32 people keep sending patches that change this write() to send() */ 1878#ifdef _WIN32
1791 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1879 WSABUF buf;
1792 /* so when you think this write should be a send instead, please find out */ 1880 DWORD sent;
1793 /* where your send() is from - it's definitely not the microsoft send, and */ 1881 buf.buf = &buf;
1794 /* 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
1795 write (evpipe [1], &(evpipe [1]), 1); 1885 write (evpipe [1], &(evpipe [1]), 1);
1886#endif
1796 } 1887 }
1797 1888
1798 errno = old_errno; 1889 errno = old_errno;
1799 } 1890 }
1800} 1891}
1815 read (evfd, &counter, sizeof (uint64_t)); 1906 read (evfd, &counter, sizeof (uint64_t));
1816 } 1907 }
1817 else 1908 else
1818#endif 1909#endif
1819 { 1910 {
1820 char dummy; 1911 char dummy[4];
1821 /* 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
1822 read (evpipe [0], &dummy, 1); 1920 read (evpipe [0], &dummy, sizeof (dummy));
1921#endif
1823 } 1922 }
1824 } 1923 }
1825 1924
1826 pipe_write_skipped = 0; 1925 pipe_write_skipped = 0;
1926
1927 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1827 1928
1828#if EV_SIGNAL_ENABLE 1929#if EV_SIGNAL_ENABLE
1829 if (sig_pending) 1930 if (sig_pending)
1830 { 1931 {
1831 sig_pending = 0; 1932 sig_pending = 0;
1933
1934 ECB_MEMORY_FENCE;
1832 1935
1833 for (i = EV_NSIG - 1; i--; ) 1936 for (i = EV_NSIG - 1; i--; )
1834 if (expect_false (signals [i].pending)) 1937 if (expect_false (signals [i].pending))
1835 ev_feed_signal_event (EV_A_ i + 1); 1938 ev_feed_signal_event (EV_A_ i + 1);
1836 } 1939 }
1838 1941
1839#if EV_ASYNC_ENABLE 1942#if EV_ASYNC_ENABLE
1840 if (async_pending) 1943 if (async_pending)
1841 { 1944 {
1842 async_pending = 0; 1945 async_pending = 0;
1946
1947 ECB_MEMORY_FENCE;
1843 1948
1844 for (i = asynccnt; i--; ) 1949 for (i = asynccnt; i--; )
1845 if (asyncs [i]->sent) 1950 if (asyncs [i]->sent)
1846 { 1951 {
1847 asyncs [i]->sent = 0; 1952 asyncs [i]->sent = 0;
1953 ECB_MEMORY_FENCE_RELEASE;
1848 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 1954 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1849 } 1955 }
1850 } 1956 }
1851#endif 1957#endif
1852} 1958}
1853 1959
1854/*****************************************************************************/ 1960/*****************************************************************************/
1855 1961
1856void 1962void
1857ev_feed_signal (int signum) 1963ev_feed_signal (int signum) EV_THROW
1858{ 1964{
1859#if EV_MULTIPLICITY 1965#if EV_MULTIPLICITY
1860 EV_P = signals [signum - 1].loop; 1966 EV_P = signals [signum - 1].loop;
1861 1967
1862 if (!EV_A) 1968 if (!EV_A)
1879 1985
1880 ev_feed_signal (signum); 1986 ev_feed_signal (signum);
1881} 1987}
1882 1988
1883void noinline 1989void noinline
1884ev_feed_signal_event (EV_P_ int signum) 1990ev_feed_signal_event (EV_P_ int signum) EV_THROW
1885{ 1991{
1886 WL w; 1992 WL w;
1887 1993
1888 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1994 if (expect_false (signum <= 0 || signum > EV_NSIG))
1889 return; 1995 return;
1897 if (expect_false (signals [signum].loop != EV_A)) 2003 if (expect_false (signals [signum].loop != EV_A))
1898 return; 2004 return;
1899#endif 2005#endif
1900 2006
1901 signals [signum].pending = 0; 2007 signals [signum].pending = 0;
2008 MEMORY_FENCE_RELEASE;
1902 2009
1903 for (w = signals [signum].head; w; w = w->next) 2010 for (w = signals [signum].head; w; w = w->next)
1904 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2011 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1905} 2012}
1906 2013
2005#if EV_USE_SELECT 2112#if EV_USE_SELECT
2006# include "ev_select.c" 2113# include "ev_select.c"
2007#endif 2114#endif
2008 2115
2009int ecb_cold 2116int ecb_cold
2010ev_version_major (void) 2117ev_version_major (void) EV_THROW
2011{ 2118{
2012 return EV_VERSION_MAJOR; 2119 return EV_VERSION_MAJOR;
2013} 2120}
2014 2121
2015int ecb_cold 2122int ecb_cold
2016ev_version_minor (void) 2123ev_version_minor (void) EV_THROW
2017{ 2124{
2018 return EV_VERSION_MINOR; 2125 return EV_VERSION_MINOR;
2019} 2126}
2020 2127
2021/* 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 */
2029 || getgid () != getegid (); 2136 || getgid () != getegid ();
2030#endif 2137#endif
2031} 2138}
2032 2139
2033unsigned int ecb_cold 2140unsigned int ecb_cold
2034ev_supported_backends (void) 2141ev_supported_backends (void) EV_THROW
2035{ 2142{
2036 unsigned int flags = 0; 2143 unsigned int flags = 0;
2037 2144
2038 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2145 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2039 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2146 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
2043 2150
2044 return flags; 2151 return flags;
2045} 2152}
2046 2153
2047unsigned int ecb_cold 2154unsigned int ecb_cold
2048ev_recommended_backends (void) 2155ev_recommended_backends (void) EV_THROW
2049{ 2156{
2050 unsigned int flags = ev_supported_backends (); 2157 unsigned int flags = ev_supported_backends ();
2051 2158
2052#ifndef __NetBSD__ 2159#ifndef __NetBSD__
2053 /* kqueue is borked on everything but netbsd apparently */ 2160 /* kqueue is borked on everything but netbsd apparently */
2065 2172
2066 return flags; 2173 return flags;
2067} 2174}
2068 2175
2069unsigned int ecb_cold 2176unsigned int ecb_cold
2070ev_embeddable_backends (void) 2177ev_embeddable_backends (void) EV_THROW
2071{ 2178{
2072 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2179 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2073 2180
2074 /* 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 */
2075 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 */
2077 2184
2078 return flags; 2185 return flags;
2079} 2186}
2080 2187
2081unsigned int 2188unsigned int
2082ev_backend (EV_P) 2189ev_backend (EV_P) EV_THROW
2083{ 2190{
2084 return backend; 2191 return backend;
2085} 2192}
2086 2193
2087#if EV_FEATURE_API 2194#if EV_FEATURE_API
2088unsigned int 2195unsigned int
2089ev_iteration (EV_P) 2196ev_iteration (EV_P) EV_THROW
2090{ 2197{
2091 return loop_count; 2198 return loop_count;
2092} 2199}
2093 2200
2094unsigned int 2201unsigned int
2095ev_depth (EV_P) 2202ev_depth (EV_P) EV_THROW
2096{ 2203{
2097 return loop_depth; 2204 return loop_depth;
2098} 2205}
2099 2206
2100void 2207void
2101ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2208ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2102{ 2209{
2103 io_blocktime = interval; 2210 io_blocktime = interval;
2104} 2211}
2105 2212
2106void 2213void
2107ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2214ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2108{ 2215{
2109 timeout_blocktime = interval; 2216 timeout_blocktime = interval;
2110} 2217}
2111 2218
2112void 2219void
2113ev_set_userdata (EV_P_ void *data) 2220ev_set_userdata (EV_P_ void *data) EV_THROW
2114{ 2221{
2115 userdata = data; 2222 userdata = data;
2116} 2223}
2117 2224
2118void * 2225void *
2119ev_userdata (EV_P) 2226ev_userdata (EV_P) EV_THROW
2120{ 2227{
2121 return userdata; 2228 return userdata;
2122} 2229}
2123 2230
2124void 2231void
2125ev_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
2126{ 2233{
2127 invoke_cb = invoke_pending_cb; 2234 invoke_cb = invoke_pending_cb;
2128} 2235}
2129 2236
2130void 2237void
2131ev_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
2132{ 2239{
2133 release_cb = release; 2240 release_cb = release;
2134 acquire_cb = acquire; 2241 acquire_cb = acquire;
2135} 2242}
2136#endif 2243#endif
2137 2244
2138/* initialise a loop structure, must be zero-initialised */ 2245/* initialise a loop structure, must be zero-initialised */
2139static void noinline ecb_cold 2246static void noinline ecb_cold
2140loop_init (EV_P_ unsigned int flags) 2247loop_init (EV_P_ unsigned int flags) EV_THROW
2141{ 2248{
2142 if (!backend) 2249 if (!backend)
2143 { 2250 {
2144 origflags = flags; 2251 origflags = flags;
2145 2252
2250 EV_INVOKE_PENDING; 2357 EV_INVOKE_PENDING;
2251 } 2358 }
2252#endif 2359#endif
2253 2360
2254#if EV_CHILD_ENABLE 2361#if EV_CHILD_ENABLE
2255 if (ev_is_active (&childev)) 2362 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2256 { 2363 {
2257 ev_ref (EV_A); /* child watcher */ 2364 ev_ref (EV_A); /* child watcher */
2258 ev_signal_stop (EV_A_ &childev); 2365 ev_signal_stop (EV_A_ &childev);
2259 } 2366 }
2260#endif 2367#endif
2398} 2505}
2399 2506
2400#if EV_MULTIPLICITY 2507#if EV_MULTIPLICITY
2401 2508
2402struct ev_loop * ecb_cold 2509struct ev_loop * ecb_cold
2403ev_loop_new (unsigned int flags) 2510ev_loop_new (unsigned int flags) EV_THROW
2404{ 2511{
2405 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2512 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2406 2513
2407 memset (EV_A, 0, sizeof (struct ev_loop)); 2514 memset (EV_A, 0, sizeof (struct ev_loop));
2408 loop_init (EV_A_ flags); 2515 loop_init (EV_A_ flags);
2452} 2559}
2453#endif 2560#endif
2454 2561
2455#if EV_FEATURE_API 2562#if EV_FEATURE_API
2456void ecb_cold 2563void ecb_cold
2457ev_verify (EV_P) 2564ev_verify (EV_P) EV_THROW
2458{ 2565{
2459#if EV_VERIFY 2566#if EV_VERIFY
2460 int i; 2567 int i;
2461 WL w; 2568 WL w, w2;
2462 2569
2463 assert (activecnt >= -1); 2570 assert (activecnt >= -1);
2464 2571
2465 assert (fdchangemax >= fdchangecnt); 2572 assert (fdchangemax >= fdchangecnt);
2466 for (i = 0; i < fdchangecnt; ++i) 2573 for (i = 0; i < fdchangecnt; ++i)
2467 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2574 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2468 2575
2469 assert (anfdmax >= 0); 2576 assert (anfdmax >= 0);
2470 for (i = 0; i < anfdmax; ++i) 2577 for (i = 0; i < anfdmax; ++i)
2578 {
2579 int j = 0;
2580
2471 for (w = anfds [i].head; w; w = w->next) 2581 for (w = w2 = anfds [i].head; w; w = w->next)
2472 { 2582 {
2473 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
2474 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));
2475 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));
2476 } 2593 }
2594 }
2477 2595
2478 assert (timermax >= timercnt); 2596 assert (timermax >= timercnt);
2479 verify_heap (EV_A_ timers, timercnt); 2597 verify_heap (EV_A_ timers, timercnt);
2480 2598
2481#if EV_PERIODIC_ENABLE 2599#if EV_PERIODIC_ENABLE
2531#if EV_MULTIPLICITY 2649#if EV_MULTIPLICITY
2532struct ev_loop * ecb_cold 2650struct ev_loop * ecb_cold
2533#else 2651#else
2534int 2652int
2535#endif 2653#endif
2536ev_default_loop (unsigned int flags) 2654ev_default_loop (unsigned int flags) EV_THROW
2537{ 2655{
2538 if (!ev_default_loop_ptr) 2656 if (!ev_default_loop_ptr)
2539 { 2657 {
2540#if EV_MULTIPLICITY 2658#if EV_MULTIPLICITY
2541 EV_P = ev_default_loop_ptr = &default_loop_struct; 2659 EV_P = ev_default_loop_ptr = &default_loop_struct;
2560 2678
2561 return ev_default_loop_ptr; 2679 return ev_default_loop_ptr;
2562} 2680}
2563 2681
2564void 2682void
2565ev_loop_fork (EV_P) 2683ev_loop_fork (EV_P) EV_THROW
2566{ 2684{
2567 postfork = 1; /* must be in line with ev_default_fork */ 2685 postfork = 1; /* must be in line with ev_default_fork */
2568} 2686}
2569 2687
2570/*****************************************************************************/ 2688/*****************************************************************************/
2574{ 2692{
2575 EV_CB_INVOKE ((W)w, revents); 2693 EV_CB_INVOKE ((W)w, revents);
2576} 2694}
2577 2695
2578unsigned int 2696unsigned int
2579ev_pending_count (EV_P) 2697ev_pending_count (EV_P) EV_THROW
2580{ 2698{
2581 int pri; 2699 int pri;
2582 unsigned int count = 0; 2700 unsigned int count = 0;
2583 2701
2584 for (pri = NUMPRI; pri--; ) 2702 for (pri = NUMPRI; pri--; )
2588} 2706}
2589 2707
2590void noinline 2708void noinline
2591ev_invoke_pending (EV_P) 2709ev_invoke_pending (EV_P)
2592{ 2710{
2593 int pri; 2711 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2594
2595 for (pri = NUMPRI; pri--; )
2596 while (pendingcnt [pri]) 2712 while (pendingcnt [pendingpri])
2597 { 2713 {
2598 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2714 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2599 2715
2600 p->w->pending = 0; 2716 p->w->pending = 0;
2601 EV_CB_INVOKE (p->w, p->events); 2717 EV_CB_INVOKE (p->w, p->events);
2602 EV_FREQUENT_CHECK; 2718 EV_FREQUENT_CHECK;
2603 } 2719 }
2698{ 2814{
2699 EV_FREQUENT_CHECK; 2815 EV_FREQUENT_CHECK;
2700 2816
2701 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2817 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2702 { 2818 {
2703 int feed_count = 0;
2704
2705 do 2819 do
2706 { 2820 {
2707 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2821 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2708 2822
2709 /*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)));*/
2843 2957
2844 mn_now = ev_rt_now; 2958 mn_now = ev_rt_now;
2845 } 2959 }
2846} 2960}
2847 2961
2848void 2962int
2849ev_run (EV_P_ int flags) 2963ev_run (EV_P_ int flags)
2850{ 2964{
2851#if EV_FEATURE_API 2965#if EV_FEATURE_API
2852 ++loop_depth; 2966 ++loop_depth;
2853#endif 2967#endif
2966#endif 3080#endif
2967 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3081 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2968 backend_poll (EV_A_ waittime); 3082 backend_poll (EV_A_ waittime);
2969 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3083 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2970 3084
2971 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3085 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2972 3086
2973 if (pipe_write_skipped) 3087 if (pipe_write_skipped)
2974 { 3088 {
2975 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)));
2976 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3090 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3010 loop_done = EVBREAK_CANCEL; 3124 loop_done = EVBREAK_CANCEL;
3011 3125
3012#if EV_FEATURE_API 3126#if EV_FEATURE_API
3013 --loop_depth; 3127 --loop_depth;
3014#endif 3128#endif
3129
3130 return activecnt;
3015} 3131}
3016 3132
3017void 3133void
3018ev_break (EV_P_ int how) 3134ev_break (EV_P_ int how) EV_THROW
3019{ 3135{
3020 loop_done = how; 3136 loop_done = how;
3021} 3137}
3022 3138
3023void 3139void
3024ev_ref (EV_P) 3140ev_ref (EV_P) EV_THROW
3025{ 3141{
3026 ++activecnt; 3142 ++activecnt;
3027} 3143}
3028 3144
3029void 3145void
3030ev_unref (EV_P) 3146ev_unref (EV_P) EV_THROW
3031{ 3147{
3032 --activecnt; 3148 --activecnt;
3033} 3149}
3034 3150
3035void 3151void
3036ev_now_update (EV_P) 3152ev_now_update (EV_P) EV_THROW
3037{ 3153{
3038 time_update (EV_A_ 1e100); 3154 time_update (EV_A_ 1e100);
3039} 3155}
3040 3156
3041void 3157void
3042ev_suspend (EV_P) 3158ev_suspend (EV_P) EV_THROW
3043{ 3159{
3044 ev_now_update (EV_A); 3160 ev_now_update (EV_A);
3045} 3161}
3046 3162
3047void 3163void
3048ev_resume (EV_P) 3164ev_resume (EV_P) EV_THROW
3049{ 3165{
3050 ev_tstamp mn_prev = mn_now; 3166 ev_tstamp mn_prev = mn_now;
3051 3167
3052 ev_now_update (EV_A); 3168 ev_now_update (EV_A);
3053 timers_reschedule (EV_A_ mn_now - mn_prev); 3169 timers_reschedule (EV_A_ mn_now - mn_prev);
3092 w->pending = 0; 3208 w->pending = 0;
3093 } 3209 }
3094} 3210}
3095 3211
3096int 3212int
3097ev_clear_pending (EV_P_ void *w) 3213ev_clear_pending (EV_P_ void *w) EV_THROW
3098{ 3214{
3099 W w_ = (W)w; 3215 W w_ = (W)w;
3100 int pending = w_->pending; 3216 int pending = w_->pending;
3101 3217
3102 if (expect_true (pending)) 3218 if (expect_true (pending))
3135} 3251}
3136 3252
3137/*****************************************************************************/ 3253/*****************************************************************************/
3138 3254
3139void noinline 3255void noinline
3140ev_io_start (EV_P_ ev_io *w) 3256ev_io_start (EV_P_ ev_io *w) EV_THROW
3141{ 3257{
3142 int fd = w->fd; 3258 int fd = w->fd;
3143 3259
3144 if (expect_false (ev_is_active (w))) 3260 if (expect_false (ev_is_active (w)))
3145 return; 3261 return;
3151 3267
3152 ev_start (EV_A_ (W)w, 1); 3268 ev_start (EV_A_ (W)w, 1);
3153 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3269 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3154 wlist_add (&anfds[fd].head, (WL)w); 3270 wlist_add (&anfds[fd].head, (WL)w);
3155 3271
3272 /* common bug, apparently */
3273 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3274
3156 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);
3157 w->events &= ~EV__IOFDSET; 3276 w->events &= ~EV__IOFDSET;
3158 3277
3159 EV_FREQUENT_CHECK; 3278 EV_FREQUENT_CHECK;
3160} 3279}
3161 3280
3162void noinline 3281void noinline
3163ev_io_stop (EV_P_ ev_io *w) 3282ev_io_stop (EV_P_ ev_io *w) EV_THROW
3164{ 3283{
3165 clear_pending (EV_A_ (W)w); 3284 clear_pending (EV_A_ (W)w);
3166 if (expect_false (!ev_is_active (w))) 3285 if (expect_false (!ev_is_active (w)))
3167 return; 3286 return;
3168 3287
3177 3296
3178 EV_FREQUENT_CHECK; 3297 EV_FREQUENT_CHECK;
3179} 3298}
3180 3299
3181void noinline 3300void noinline
3182ev_timer_start (EV_P_ ev_timer *w) 3301ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3183{ 3302{
3184 if (expect_false (ev_is_active (w))) 3303 if (expect_false (ev_is_active (w)))
3185 return; 3304 return;
3186 3305
3187 ev_at (w) += mn_now; 3306 ev_at (w) += mn_now;
3201 3320
3202 /*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));*/
3203} 3322}
3204 3323
3205void noinline 3324void noinline
3206ev_timer_stop (EV_P_ ev_timer *w) 3325ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3207{ 3326{
3208 clear_pending (EV_A_ (W)w); 3327 clear_pending (EV_A_ (W)w);
3209 if (expect_false (!ev_is_active (w))) 3328 if (expect_false (!ev_is_active (w)))
3210 return; 3329 return;
3211 3330
3231 3350
3232 EV_FREQUENT_CHECK; 3351 EV_FREQUENT_CHECK;
3233} 3352}
3234 3353
3235void noinline 3354void noinline
3236ev_timer_again (EV_P_ ev_timer *w) 3355ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3237{ 3356{
3238 EV_FREQUENT_CHECK; 3357 EV_FREQUENT_CHECK;
3358
3359 clear_pending (EV_A_ (W)w);
3239 3360
3240 if (ev_is_active (w)) 3361 if (ev_is_active (w))
3241 { 3362 {
3242 if (w->repeat) 3363 if (w->repeat)
3243 { 3364 {
3256 3377
3257 EV_FREQUENT_CHECK; 3378 EV_FREQUENT_CHECK;
3258} 3379}
3259 3380
3260ev_tstamp 3381ev_tstamp
3261ev_timer_remaining (EV_P_ ev_timer *w) 3382ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3262{ 3383{
3263 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3384 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3264} 3385}
3265 3386
3266#if EV_PERIODIC_ENABLE 3387#if EV_PERIODIC_ENABLE
3267void noinline 3388void noinline
3268ev_periodic_start (EV_P_ ev_periodic *w) 3389ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3269{ 3390{
3270 if (expect_false (ev_is_active (w))) 3391 if (expect_false (ev_is_active (w)))
3271 return; 3392 return;
3272 3393
3273 if (w->reschedule_cb) 3394 if (w->reschedule_cb)
3293 3414
3294 /*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));*/
3295} 3416}
3296 3417
3297void noinline 3418void noinline
3298ev_periodic_stop (EV_P_ ev_periodic *w) 3419ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3299{ 3420{
3300 clear_pending (EV_A_ (W)w); 3421 clear_pending (EV_A_ (W)w);
3301 if (expect_false (!ev_is_active (w))) 3422 if (expect_false (!ev_is_active (w)))
3302 return; 3423 return;
3303 3424
3321 3442
3322 EV_FREQUENT_CHECK; 3443 EV_FREQUENT_CHECK;
3323} 3444}
3324 3445
3325void noinline 3446void noinline
3326ev_periodic_again (EV_P_ ev_periodic *w) 3447ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3327{ 3448{
3328 /* TODO: use adjustheap and recalculation */ 3449 /* TODO: use adjustheap and recalculation */
3329 ev_periodic_stop (EV_A_ w); 3450 ev_periodic_stop (EV_A_ w);
3330 ev_periodic_start (EV_A_ w); 3451 ev_periodic_start (EV_A_ w);
3331} 3452}
3336#endif 3457#endif
3337 3458
3338#if EV_SIGNAL_ENABLE 3459#if EV_SIGNAL_ENABLE
3339 3460
3340void noinline 3461void noinline
3341ev_signal_start (EV_P_ ev_signal *w) 3462ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3342{ 3463{
3343 if (expect_false (ev_is_active (w))) 3464 if (expect_false (ev_is_active (w)))
3344 return; 3465 return;
3345 3466
3346 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));
3417 3538
3418 EV_FREQUENT_CHECK; 3539 EV_FREQUENT_CHECK;
3419} 3540}
3420 3541
3421void noinline 3542void noinline
3422ev_signal_stop (EV_P_ ev_signal *w) 3543ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3423{ 3544{
3424 clear_pending (EV_A_ (W)w); 3545 clear_pending (EV_A_ (W)w);
3425 if (expect_false (!ev_is_active (w))) 3546 if (expect_false (!ev_is_active (w)))
3426 return; 3547 return;
3427 3548
3458#endif 3579#endif
3459 3580
3460#if EV_CHILD_ENABLE 3581#if EV_CHILD_ENABLE
3461 3582
3462void 3583void
3463ev_child_start (EV_P_ ev_child *w) 3584ev_child_start (EV_P_ ev_child *w) EV_THROW
3464{ 3585{
3465#if EV_MULTIPLICITY 3586#if EV_MULTIPLICITY
3466 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));
3467#endif 3588#endif
3468 if (expect_false (ev_is_active (w))) 3589 if (expect_false (ev_is_active (w)))
3475 3596
3476 EV_FREQUENT_CHECK; 3597 EV_FREQUENT_CHECK;
3477} 3598}
3478 3599
3479void 3600void
3480ev_child_stop (EV_P_ ev_child *w) 3601ev_child_stop (EV_P_ ev_child *w) EV_THROW
3481{ 3602{
3482 clear_pending (EV_A_ (W)w); 3603 clear_pending (EV_A_ (W)w);
3483 if (expect_false (!ev_is_active (w))) 3604 if (expect_false (!ev_is_active (w)))
3484 return; 3605 return;
3485 3606
3652} 3773}
3653 3774
3654inline_size int 3775inline_size int
3655infy_newfd (void) 3776infy_newfd (void)
3656{ 3777{
3657#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3778#if defined IN_CLOEXEC && defined IN_NONBLOCK
3658 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3779 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3659 if (fd >= 0) 3780 if (fd >= 0)
3660 return fd; 3781 return fd;
3661#endif 3782#endif
3662 return inotify_init (); 3783 return inotify_init ();
3737#else 3858#else
3738# define EV_LSTAT(p,b) lstat (p, b) 3859# define EV_LSTAT(p,b) lstat (p, b)
3739#endif 3860#endif
3740 3861
3741void 3862void
3742ev_stat_stat (EV_P_ ev_stat *w) 3863ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3743{ 3864{
3744 if (lstat (w->path, &w->attr) < 0) 3865 if (lstat (w->path, &w->attr) < 0)
3745 w->attr.st_nlink = 0; 3866 w->attr.st_nlink = 0;
3746 else if (!w->attr.st_nlink) 3867 else if (!w->attr.st_nlink)
3747 w->attr.st_nlink = 1; 3868 w->attr.st_nlink = 1;
3786 ev_feed_event (EV_A_ w, EV_STAT); 3907 ev_feed_event (EV_A_ w, EV_STAT);
3787 } 3908 }
3788} 3909}
3789 3910
3790void 3911void
3791ev_stat_start (EV_P_ ev_stat *w) 3912ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3792{ 3913{
3793 if (expect_false (ev_is_active (w))) 3914 if (expect_false (ev_is_active (w)))
3794 return; 3915 return;
3795 3916
3796 ev_stat_stat (EV_A_ w); 3917 ev_stat_stat (EV_A_ w);
3817 3938
3818 EV_FREQUENT_CHECK; 3939 EV_FREQUENT_CHECK;
3819} 3940}
3820 3941
3821void 3942void
3822ev_stat_stop (EV_P_ ev_stat *w) 3943ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3823{ 3944{
3824 clear_pending (EV_A_ (W)w); 3945 clear_pending (EV_A_ (W)w);
3825 if (expect_false (!ev_is_active (w))) 3946 if (expect_false (!ev_is_active (w)))
3826 return; 3947 return;
3827 3948
3843} 3964}
3844#endif 3965#endif
3845 3966
3846#if EV_IDLE_ENABLE 3967#if EV_IDLE_ENABLE
3847void 3968void
3848ev_idle_start (EV_P_ ev_idle *w) 3969ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3849{ 3970{
3850 if (expect_false (ev_is_active (w))) 3971 if (expect_false (ev_is_active (w)))
3851 return; 3972 return;
3852 3973
3853 pri_adjust (EV_A_ (W)w); 3974 pri_adjust (EV_A_ (W)w);
3866 3987
3867 EV_FREQUENT_CHECK; 3988 EV_FREQUENT_CHECK;
3868} 3989}
3869 3990
3870void 3991void
3871ev_idle_stop (EV_P_ ev_idle *w) 3992ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3872{ 3993{
3873 clear_pending (EV_A_ (W)w); 3994 clear_pending (EV_A_ (W)w);
3874 if (expect_false (!ev_is_active (w))) 3995 if (expect_false (!ev_is_active (w)))
3875 return; 3996 return;
3876 3997
3890} 4011}
3891#endif 4012#endif
3892 4013
3893#if EV_PREPARE_ENABLE 4014#if EV_PREPARE_ENABLE
3894void 4015void
3895ev_prepare_start (EV_P_ ev_prepare *w) 4016ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3896{ 4017{
3897 if (expect_false (ev_is_active (w))) 4018 if (expect_false (ev_is_active (w)))
3898 return; 4019 return;
3899 4020
3900 EV_FREQUENT_CHECK; 4021 EV_FREQUENT_CHECK;
3905 4026
3906 EV_FREQUENT_CHECK; 4027 EV_FREQUENT_CHECK;
3907} 4028}
3908 4029
3909void 4030void
3910ev_prepare_stop (EV_P_ ev_prepare *w) 4031ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3911{ 4032{
3912 clear_pending (EV_A_ (W)w); 4033 clear_pending (EV_A_ (W)w);
3913 if (expect_false (!ev_is_active (w))) 4034 if (expect_false (!ev_is_active (w)))
3914 return; 4035 return;
3915 4036
3928} 4049}
3929#endif 4050#endif
3930 4051
3931#if EV_CHECK_ENABLE 4052#if EV_CHECK_ENABLE
3932void 4053void
3933ev_check_start (EV_P_ ev_check *w) 4054ev_check_start (EV_P_ ev_check *w) EV_THROW
3934{ 4055{
3935 if (expect_false (ev_is_active (w))) 4056 if (expect_false (ev_is_active (w)))
3936 return; 4057 return;
3937 4058
3938 EV_FREQUENT_CHECK; 4059 EV_FREQUENT_CHECK;
3943 4064
3944 EV_FREQUENT_CHECK; 4065 EV_FREQUENT_CHECK;
3945} 4066}
3946 4067
3947void 4068void
3948ev_check_stop (EV_P_ ev_check *w) 4069ev_check_stop (EV_P_ ev_check *w) EV_THROW
3949{ 4070{
3950 clear_pending (EV_A_ (W)w); 4071 clear_pending (EV_A_ (W)w);
3951 if (expect_false (!ev_is_active (w))) 4072 if (expect_false (!ev_is_active (w)))
3952 return; 4073 return;
3953 4074
3966} 4087}
3967#endif 4088#endif
3968 4089
3969#if EV_EMBED_ENABLE 4090#if EV_EMBED_ENABLE
3970void noinline 4091void noinline
3971ev_embed_sweep (EV_P_ ev_embed *w) 4092ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3972{ 4093{
3973 ev_run (w->other, EVRUN_NOWAIT); 4094 ev_run (w->other, EVRUN_NOWAIT);
3974} 4095}
3975 4096
3976static void 4097static void
4024 ev_idle_stop (EV_A_ idle); 4145 ev_idle_stop (EV_A_ idle);
4025} 4146}
4026#endif 4147#endif
4027 4148
4028void 4149void
4029ev_embed_start (EV_P_ ev_embed *w) 4150ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4030{ 4151{
4031 if (expect_false (ev_is_active (w))) 4152 if (expect_false (ev_is_active (w)))
4032 return; 4153 return;
4033 4154
4034 { 4155 {
4055 4176
4056 EV_FREQUENT_CHECK; 4177 EV_FREQUENT_CHECK;
4057} 4178}
4058 4179
4059void 4180void
4060ev_embed_stop (EV_P_ ev_embed *w) 4181ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4061{ 4182{
4062 clear_pending (EV_A_ (W)w); 4183 clear_pending (EV_A_ (W)w);
4063 if (expect_false (!ev_is_active (w))) 4184 if (expect_false (!ev_is_active (w)))
4064 return; 4185 return;
4065 4186
4075} 4196}
4076#endif 4197#endif
4077 4198
4078#if EV_FORK_ENABLE 4199#if EV_FORK_ENABLE
4079void 4200void
4080ev_fork_start (EV_P_ ev_fork *w) 4201ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4081{ 4202{
4082 if (expect_false (ev_is_active (w))) 4203 if (expect_false (ev_is_active (w)))
4083 return; 4204 return;
4084 4205
4085 EV_FREQUENT_CHECK; 4206 EV_FREQUENT_CHECK;
4090 4211
4091 EV_FREQUENT_CHECK; 4212 EV_FREQUENT_CHECK;
4092} 4213}
4093 4214
4094void 4215void
4095ev_fork_stop (EV_P_ ev_fork *w) 4216ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4096{ 4217{
4097 clear_pending (EV_A_ (W)w); 4218 clear_pending (EV_A_ (W)w);
4098 if (expect_false (!ev_is_active (w))) 4219 if (expect_false (!ev_is_active (w)))
4099 return; 4220 return;
4100 4221
4113} 4234}
4114#endif 4235#endif
4115 4236
4116#if EV_CLEANUP_ENABLE 4237#if EV_CLEANUP_ENABLE
4117void 4238void
4118ev_cleanup_start (EV_P_ ev_cleanup *w) 4239ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4119{ 4240{
4120 if (expect_false (ev_is_active (w))) 4241 if (expect_false (ev_is_active (w)))
4121 return; 4242 return;
4122 4243
4123 EV_FREQUENT_CHECK; 4244 EV_FREQUENT_CHECK;
4130 ev_unref (EV_A); 4251 ev_unref (EV_A);
4131 EV_FREQUENT_CHECK; 4252 EV_FREQUENT_CHECK;
4132} 4253}
4133 4254
4134void 4255void
4135ev_cleanup_stop (EV_P_ ev_cleanup *w) 4256ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4136{ 4257{
4137 clear_pending (EV_A_ (W)w); 4258 clear_pending (EV_A_ (W)w);
4138 if (expect_false (!ev_is_active (w))) 4259 if (expect_false (!ev_is_active (w)))
4139 return; 4260 return;
4140 4261
4154} 4275}
4155#endif 4276#endif
4156 4277
4157#if EV_ASYNC_ENABLE 4278#if EV_ASYNC_ENABLE
4158void 4279void
4159ev_async_start (EV_P_ ev_async *w) 4280ev_async_start (EV_P_ ev_async *w) EV_THROW
4160{ 4281{
4161 if (expect_false (ev_is_active (w))) 4282 if (expect_false (ev_is_active (w)))
4162 return; 4283 return;
4163 4284
4164 w->sent = 0; 4285 w->sent = 0;
4173 4294
4174 EV_FREQUENT_CHECK; 4295 EV_FREQUENT_CHECK;
4175} 4296}
4176 4297
4177void 4298void
4178ev_async_stop (EV_P_ ev_async *w) 4299ev_async_stop (EV_P_ ev_async *w) EV_THROW
4179{ 4300{
4180 clear_pending (EV_A_ (W)w); 4301 clear_pending (EV_A_ (W)w);
4181 if (expect_false (!ev_is_active (w))) 4302 if (expect_false (!ev_is_active (w)))
4182 return; 4303 return;
4183 4304
4194 4315
4195 EV_FREQUENT_CHECK; 4316 EV_FREQUENT_CHECK;
4196} 4317}
4197 4318
4198void 4319void
4199ev_async_send (EV_P_ ev_async *w) 4320ev_async_send (EV_P_ ev_async *w) EV_THROW
4200{ 4321{
4201 w->sent = 1; 4322 w->sent = 1;
4202 evpipe_write (EV_A_ &async_pending); 4323 evpipe_write (EV_A_ &async_pending);
4203} 4324}
4204#endif 4325#endif
4241 4362
4242 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));
4243} 4364}
4244 4365
4245void 4366void
4246ev_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
4247{ 4368{
4248 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));
4249 4370
4250 if (expect_false (!once)) 4371 if (expect_false (!once))
4251 { 4372 {
4273 4394
4274/*****************************************************************************/ 4395/*****************************************************************************/
4275 4396
4276#if EV_WALK_ENABLE 4397#if EV_WALK_ENABLE
4277void ecb_cold 4398void ecb_cold
4278ev_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
4279{ 4400{
4280 int i, j; 4401 int i, j;
4281 ev_watcher_list *wl, *wn; 4402 ev_watcher_list *wl, *wn;
4282 4403
4283 if (types & (EV_IO | EV_EMBED)) 4404 if (types & (EV_IO | EV_EMBED))
4389 4510
4390#if EV_MULTIPLICITY 4511#if EV_MULTIPLICITY
4391 #include "ev_wrap.h" 4512 #include "ev_wrap.h"
4392#endif 4513#endif
4393 4514
4394EV_CPP(})
4395

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