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Comparing libev/ev.c (file contents):
Revision 1.391 by root, Thu Aug 4 13:57:16 2011 UTC vs.
Revision 1.435 by root, Sat May 26 08:52:09 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 #define ECB_MEMORY_FENCE_ACQUIRE do { } while (0)
544 #define ECB_MEMORY_FENCE_RELEASE do { } while (0)
545#endif 553#endif
546 554
547#ifndef ECB_MEMORY_FENCE 555#ifndef ECB_MEMORY_FENCE
548 #if ECB_GCC_VERSION(2,5) 556 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
549 #if __x86 557 #if __i386 || __i386__
550 #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")
551 #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 */
552 #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 */
553 #elif __amd64 561 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
554 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
555 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 563 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
556 #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 */
565 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
566 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
567 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
568 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
569 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
570 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
571 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
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")
557 #endif 583 #endif
558 #endif 584 #endif
559#endif 585#endif
560 586
561#ifndef ECB_MEMORY_FENCE 587#ifndef ECB_MEMORY_FENCE
562 #if ECB_GCC_VERSION(4,4) 588 #if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
563 #define ECB_MEMORY_FENCE __sync_synchronize () 589 #define ECB_MEMORY_FENCE __sync_synchronize ()
564 #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); }) */
565 #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 ); }) */
566 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 592 #elif _MSC_VER >= 1400 /* VC++ 2005 */
567 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 593 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
568 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 594 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
569 #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 */
570 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 596 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
571 #elif defined(_WIN32) 597 #elif defined _WIN32
572 #include <WinNT.h> 598 #include <WinNT.h>
573 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 599 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
574 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 600 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
575 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 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 ()
576 #endif 607 #endif
577#endif 608#endif
578 609
579#ifndef ECB_MEMORY_FENCE 610#ifndef ECB_MEMORY_FENCE
611 #if !ECB_AVOID_PTHREADS
580 /* 612 /*
581 * if you get undefined symbol references to pthread_mutex_lock, 613 * if you get undefined symbol references to pthread_mutex_lock,
582 * or failure to find pthread.h, then you should implement 614 * or failure to find pthread.h, then you should implement
583 * the ECB_MEMORY_FENCE operations for your cpu/compiler 615 * the ECB_MEMORY_FENCE operations for your cpu/compiler
584 * OR provide pthread.h and link against the posix thread library 616 * OR provide pthread.h and link against the posix thread library
585 * of your system. 617 * of your system.
586 */ 618 */
587 #include <pthread.h> 619 #include <pthread.h>
588 #define ECB_NEEDS_PTHREADS 1 620 #define ECB_NEEDS_PTHREADS 1
589 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1 621 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
590 622
591 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 623 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
592 #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)
625 #endif
626#endif
627
628#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
593 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 629 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
630#endif
631
632#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
594 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 633 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
595#endif 634#endif
596 635
597/*****************************************************************************/ 636/*****************************************************************************/
598 637
747 786
748 return r + ecb_ld32 (x); 787 return r + ecb_ld32 (x);
749 } 788 }
750#endif 789#endif
751 790
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
752/* popcount64 is only available on 64 bit cpus as gcc builtin */ 821/* popcount64 is only available on 64 bit cpus as gcc builtin */
753/* so for this version we are lazy */ 822/* so for this version we are lazy */
754ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; 823ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
755ecb_function_ int 824ecb_function_ int
756ecb_popcount64 (uint64_t x) 825ecb_popcount64 (uint64_t x)
805 874
806#if ECB_GCC_VERSION(4,5) 875#if ECB_GCC_VERSION(4,5)
807 #define ecb_unreachable() __builtin_unreachable () 876 #define ecb_unreachable() __builtin_unreachable ()
808#else 877#else
809 /* 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 :/ */
810 ecb_function_ void ecb_unreachable (void) ecb_noreturn; 879 ecb_inline void ecb_unreachable (void) ecb_noreturn;
811 ecb_function_ void ecb_unreachable (void) { } 880 ecb_inline void ecb_unreachable (void) { }
812#endif 881#endif
813 882
814/* try to tell the compiler that some condition is definitely true */ 883/* try to tell the compiler that some condition is definitely true */
815#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) 884#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
816 885
817ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; 886ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
818ecb_function_ unsigned char 887ecb_inline unsigned char
819ecb_byteorder_helper (void) 888ecb_byteorder_helper (void)
820{ 889{
821 const uint32_t u = 0x11223344; 890 const uint32_t u = 0x11223344;
822 return *(unsigned char *)&u; 891 return *(unsigned char *)&u;
823} 892}
824 893
825ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; 894ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
826ecb_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; }
827ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; 896ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
828ecb_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; }
829 898
830#if ECB_GCC_VERSION(3,0) || ECB_C99 899#if ECB_GCC_VERSION(3,0) || ECB_C99
831 #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))
832#else 901#else
833 #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))
834#endif 919#endif
835 920
836#if ecb_cplusplus_does_not_suck 921#if ecb_cplusplus_does_not_suck
837 /* 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) */
838 template<typename T, int N> 923 template<typename T, int N>
845#endif 930#endif
846 931
847#endif 932#endif
848 933
849/* ECB.H END */ 934/* ECB.H END */
935
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
947#ifndef ECB_MEMORY_FENCE
948# define ECB_MEMORY_FENCE do { } while (0)
949# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
950# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
951#endif
850 952
851#define expect_false(cond) ecb_expect_false (cond) 953#define expect_false(cond) ecb_expect_false (cond)
852#define expect_true(cond) ecb_expect_true (cond) 954#define expect_true(cond) ecb_expect_true (cond)
853#define noinline ecb_noinline 955#define noinline ecb_noinline
854 956
1000{ 1102{
1001 write (STDERR_FILENO, msg, strlen (msg)); 1103 write (STDERR_FILENO, msg, strlen (msg));
1002} 1104}
1003#endif 1105#endif
1004 1106
1005static void (*syserr_cb)(const char *msg); 1107static void (*syserr_cb)(const char *msg) EV_THROW;
1006 1108
1007void ecb_cold 1109void ecb_cold
1008ev_set_syserr_cb (void (*cb)(const char *msg)) 1110ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1009{ 1111{
1010 syserr_cb = cb; 1112 syserr_cb = cb;
1011} 1113}
1012 1114
1013static void noinline ecb_cold 1115static void noinline ecb_cold
1031 abort (); 1133 abort ();
1032 } 1134 }
1033} 1135}
1034 1136
1035static void * 1137static void *
1036ev_realloc_emul (void *ptr, long size) 1138ev_realloc_emul (void *ptr, long size) EV_THROW
1037{ 1139{
1038#if __GLIBC__ 1140#if __GLIBC__
1039 return realloc (ptr, size); 1141 return realloc (ptr, size);
1040#else 1142#else
1041 /* some systems, notably openbsd and darwin, fail to properly 1143 /* some systems, notably openbsd and darwin, fail to properly
1049 free (ptr); 1151 free (ptr);
1050 return 0; 1152 return 0;
1051#endif 1153#endif
1052} 1154}
1053 1155
1054static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1156static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1055 1157
1056void ecb_cold 1158void ecb_cold
1057ev_set_allocator (void *(*cb)(void *ptr, long size)) 1159ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1058{ 1160{
1059 alloc = cb; 1161 alloc = cb;
1060} 1162}
1061 1163
1062inline_speed void * 1164inline_speed void *
1150 #undef VAR 1252 #undef VAR
1151 }; 1253 };
1152 #include "ev_wrap.h" 1254 #include "ev_wrap.h"
1153 1255
1154 static struct ev_loop default_loop_struct; 1256 static struct ev_loop default_loop_struct;
1155 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 */
1156 1258
1157#else 1259#else
1158 1260
1159 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 */
1160 #define VAR(name,decl) static decl; 1262 #define VAR(name,decl) static decl;
1161 #include "ev_vars.h" 1263 #include "ev_vars.h"
1162 #undef VAR 1264 #undef VAR
1163 1265
1164 static int ev_default_loop_ptr; 1266 static int ev_default_loop_ptr;
1179 1281
1180/*****************************************************************************/ 1282/*****************************************************************************/
1181 1283
1182#ifndef EV_HAVE_EV_TIME 1284#ifndef EV_HAVE_EV_TIME
1183ev_tstamp 1285ev_tstamp
1184ev_time (void) 1286ev_time (void) EV_THROW
1185{ 1287{
1186#if EV_USE_REALTIME 1288#if EV_USE_REALTIME
1187 if (expect_true (have_realtime)) 1289 if (expect_true (have_realtime))
1188 { 1290 {
1189 struct timespec ts; 1291 struct timespec ts;
1213 return ev_time (); 1315 return ev_time ();
1214} 1316}
1215 1317
1216#if EV_MULTIPLICITY 1318#if EV_MULTIPLICITY
1217ev_tstamp 1319ev_tstamp
1218ev_now (EV_P) 1320ev_now (EV_P) EV_THROW
1219{ 1321{
1220 return ev_rt_now; 1322 return ev_rt_now;
1221} 1323}
1222#endif 1324#endif
1223 1325
1224void 1326void
1225ev_sleep (ev_tstamp delay) 1327ev_sleep (ev_tstamp delay) EV_THROW
1226{ 1328{
1227 if (delay > 0.) 1329 if (delay > 0.)
1228 { 1330 {
1229#if EV_USE_NANOSLEEP 1331#if EV_USE_NANOSLEEP
1230 struct timespec ts; 1332 struct timespec ts;
1231 1333
1232 EV_TS_SET (ts, delay); 1334 EV_TS_SET (ts, delay);
1233 nanosleep (&ts, 0); 1335 nanosleep (&ts, 0);
1234#elif defined(_WIN32) 1336#elif defined _WIN32
1235 Sleep ((unsigned long)(delay * 1e3)); 1337 Sleep ((unsigned long)(delay * 1e3));
1236#else 1338#else
1237 struct timeval tv; 1339 struct timeval tv;
1238 1340
1239 /* 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 */
1258 1360
1259 do 1361 do
1260 ncur <<= 1; 1362 ncur <<= 1;
1261 while (cnt > ncur); 1363 while (cnt > ncur);
1262 1364
1263 /* 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 */
1264 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1366 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1265 { 1367 {
1266 ncur *= elem; 1368 ncur *= elem;
1267 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);
1268 ncur = ncur - sizeof (void *) * 4; 1370 ncur = ncur - sizeof (void *) * 4;
1311pendingcb (EV_P_ ev_prepare *w, int revents) 1413pendingcb (EV_P_ ev_prepare *w, int revents)
1312{ 1414{
1313} 1415}
1314 1416
1315void noinline 1417void noinline
1316ev_feed_event (EV_P_ void *w, int revents) 1418ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1317{ 1419{
1318 W w_ = (W)w; 1420 W w_ = (W)w;
1319 int pri = ABSPRI (w_); 1421 int pri = ABSPRI (w_);
1320 1422
1321 if (expect_false (w_->pending)) 1423 if (expect_false (w_->pending))
1325 w_->pending = ++pendingcnt [pri]; 1427 w_->pending = ++pendingcnt [pri];
1326 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1428 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1327 pendings [pri][w_->pending - 1].w = w_; 1429 pendings [pri][w_->pending - 1].w = w_;
1328 pendings [pri][w_->pending - 1].events = revents; 1430 pendings [pri][w_->pending - 1].events = revents;
1329 } 1431 }
1432
1433 pendingpri = NUMPRI - 1;
1330} 1434}
1331 1435
1332inline_speed void 1436inline_speed void
1333feed_reverse (EV_P_ W w) 1437feed_reverse (EV_P_ W w)
1334{ 1438{
1380 if (expect_true (!anfd->reify)) 1484 if (expect_true (!anfd->reify))
1381 fd_event_nocheck (EV_A_ fd, revents); 1485 fd_event_nocheck (EV_A_ fd, revents);
1382} 1486}
1383 1487
1384void 1488void
1385ev_feed_fd_event (EV_P_ int fd, int revents) 1489ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1386{ 1490{
1387 if (fd >= 0 && fd < anfdmax) 1491 if (fd >= 0 && fd < anfdmax)
1388 fd_event_nocheck (EV_A_ fd, revents); 1492 fd_event_nocheck (EV_A_ fd, revents);
1389} 1493}
1390 1494
1739} 1843}
1740 1844
1741inline_speed void 1845inline_speed void
1742evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1846evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1743{ 1847{
1848 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1849
1744 if (expect_true (*flag)) 1850 if (expect_true (*flag))
1745 return; 1851 return;
1746 1852
1747 *flag = 1; 1853 *flag = 1;
1748 1854
1754 1860
1755 if (pipe_write_wanted) 1861 if (pipe_write_wanted)
1756 { 1862 {
1757 int old_errno; 1863 int old_errno;
1758 1864
1759 pipe_write_skipped = 0; /* just an optimsiation, no fence needed */ 1865 pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1760 1866
1761 old_errno = errno; /* save errno because write will clobber it */ 1867 old_errno = errno; /* save errno because write will clobber it */
1762 1868
1763#if EV_USE_EVENTFD 1869#if EV_USE_EVENTFD
1764 if (evfd >= 0) 1870 if (evfd >= 0)
1767 write (evfd, &counter, sizeof (uint64_t)); 1873 write (evfd, &counter, sizeof (uint64_t));
1768 } 1874 }
1769 else 1875 else
1770#endif 1876#endif
1771 { 1877 {
1772 /* win32 people keep sending patches that change this write() to send() */ 1878#ifdef _WIN32
1773 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1879 WSABUF buf;
1774 /* so when you think this write should be a send instead, please find out */ 1880 DWORD sent;
1775 /* where your send() is from - it's definitely not the microsoft send, and */ 1881 buf.buf = &buf;
1776 /* 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
1777 write (evpipe [1], &(evpipe [1]), 1); 1885 write (evpipe [1], &(evpipe [1]), 1);
1886#endif
1778 } 1887 }
1779 1888
1780 errno = old_errno; 1889 errno = old_errno;
1781 } 1890 }
1782} 1891}
1797 read (evfd, &counter, sizeof (uint64_t)); 1906 read (evfd, &counter, sizeof (uint64_t));
1798 } 1907 }
1799 else 1908 else
1800#endif 1909#endif
1801 { 1910 {
1802 char dummy; 1911 char dummy[4];
1803 /* 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
1804 read (evpipe [0], &dummy, 1); 1920 read (evpipe [0], &dummy, sizeof (dummy));
1921#endif
1805 } 1922 }
1806 } 1923 }
1807 1924
1808 pipe_write_skipped = 0; 1925 pipe_write_skipped = 0;
1926
1927 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1809 1928
1810#if EV_SIGNAL_ENABLE 1929#if EV_SIGNAL_ENABLE
1811 if (sig_pending) 1930 if (sig_pending)
1812 { 1931 {
1813 sig_pending = 0; 1932 sig_pending = 0;
1933
1934 ECB_MEMORY_FENCE_RELEASE;
1814 1935
1815 for (i = EV_NSIG - 1; i--; ) 1936 for (i = EV_NSIG - 1; i--; )
1816 if (expect_false (signals [i].pending)) 1937 if (expect_false (signals [i].pending))
1817 ev_feed_signal_event (EV_A_ i + 1); 1938 ev_feed_signal_event (EV_A_ i + 1);
1818 } 1939 }
1820 1941
1821#if EV_ASYNC_ENABLE 1942#if EV_ASYNC_ENABLE
1822 if (async_pending) 1943 if (async_pending)
1823 { 1944 {
1824 async_pending = 0; 1945 async_pending = 0;
1946
1947 ECB_MEMORY_FENCE_RELEASE;
1825 1948
1826 for (i = asynccnt; i--; ) 1949 for (i = asynccnt; i--; )
1827 if (asyncs [i]->sent) 1950 if (asyncs [i]->sent)
1828 { 1951 {
1829 asyncs [i]->sent = 0; 1952 asyncs [i]->sent = 0;
1834} 1957}
1835 1958
1836/*****************************************************************************/ 1959/*****************************************************************************/
1837 1960
1838void 1961void
1839ev_feed_signal (int signum) 1962ev_feed_signal (int signum) EV_THROW
1840{ 1963{
1841#if EV_MULTIPLICITY 1964#if EV_MULTIPLICITY
1842 EV_P = signals [signum - 1].loop; 1965 EV_P = signals [signum - 1].loop;
1843 1966
1844 if (!EV_A) 1967 if (!EV_A)
1861 1984
1862 ev_feed_signal (signum); 1985 ev_feed_signal (signum);
1863} 1986}
1864 1987
1865void noinline 1988void noinline
1866ev_feed_signal_event (EV_P_ int signum) 1989ev_feed_signal_event (EV_P_ int signum) EV_THROW
1867{ 1990{
1868 WL w; 1991 WL w;
1869 1992
1870 if (expect_false (signum <= 0 || signum > EV_NSIG)) 1993 if (expect_false (signum <= 0 || signum > EV_NSIG))
1871 return; 1994 return;
1987#if EV_USE_SELECT 2110#if EV_USE_SELECT
1988# include "ev_select.c" 2111# include "ev_select.c"
1989#endif 2112#endif
1990 2113
1991int ecb_cold 2114int ecb_cold
1992ev_version_major (void) 2115ev_version_major (void) EV_THROW
1993{ 2116{
1994 return EV_VERSION_MAJOR; 2117 return EV_VERSION_MAJOR;
1995} 2118}
1996 2119
1997int ecb_cold 2120int ecb_cold
1998ev_version_minor (void) 2121ev_version_minor (void) EV_THROW
1999{ 2122{
2000 return EV_VERSION_MINOR; 2123 return EV_VERSION_MINOR;
2001} 2124}
2002 2125
2003/* return true if we are running with elevated privileges and should ignore env variables */ 2126/* return true if we are running with elevated privileges and should ignore env variables */
2011 || getgid () != getegid (); 2134 || getgid () != getegid ();
2012#endif 2135#endif
2013} 2136}
2014 2137
2015unsigned int ecb_cold 2138unsigned int ecb_cold
2016ev_supported_backends (void) 2139ev_supported_backends (void) EV_THROW
2017{ 2140{
2018 unsigned int flags = 0; 2141 unsigned int flags = 0;
2019 2142
2020 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2143 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2021 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2144 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
2025 2148
2026 return flags; 2149 return flags;
2027} 2150}
2028 2151
2029unsigned int ecb_cold 2152unsigned int ecb_cold
2030ev_recommended_backends (void) 2153ev_recommended_backends (void) EV_THROW
2031{ 2154{
2032 unsigned int flags = ev_supported_backends (); 2155 unsigned int flags = ev_supported_backends ();
2033 2156
2034#ifndef __NetBSD__ 2157#ifndef __NetBSD__
2035 /* kqueue is borked on everything but netbsd apparently */ 2158 /* kqueue is borked on everything but netbsd apparently */
2047 2170
2048 return flags; 2171 return flags;
2049} 2172}
2050 2173
2051unsigned int ecb_cold 2174unsigned int ecb_cold
2052ev_embeddable_backends (void) 2175ev_embeddable_backends (void) EV_THROW
2053{ 2176{
2054 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2177 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2055 2178
2056 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2179 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2057 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2180 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2059 2182
2060 return flags; 2183 return flags;
2061} 2184}
2062 2185
2063unsigned int 2186unsigned int
2064ev_backend (EV_P) 2187ev_backend (EV_P) EV_THROW
2065{ 2188{
2066 return backend; 2189 return backend;
2067} 2190}
2068 2191
2069#if EV_FEATURE_API 2192#if EV_FEATURE_API
2070unsigned int 2193unsigned int
2071ev_iteration (EV_P) 2194ev_iteration (EV_P) EV_THROW
2072{ 2195{
2073 return loop_count; 2196 return loop_count;
2074} 2197}
2075 2198
2076unsigned int 2199unsigned int
2077ev_depth (EV_P) 2200ev_depth (EV_P) EV_THROW
2078{ 2201{
2079 return loop_depth; 2202 return loop_depth;
2080} 2203}
2081 2204
2082void 2205void
2083ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2206ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2084{ 2207{
2085 io_blocktime = interval; 2208 io_blocktime = interval;
2086} 2209}
2087 2210
2088void 2211void
2089ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2212ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2090{ 2213{
2091 timeout_blocktime = interval; 2214 timeout_blocktime = interval;
2092} 2215}
2093 2216
2094void 2217void
2095ev_set_userdata (EV_P_ void *data) 2218ev_set_userdata (EV_P_ void *data) EV_THROW
2096{ 2219{
2097 userdata = data; 2220 userdata = data;
2098} 2221}
2099 2222
2100void * 2223void *
2101ev_userdata (EV_P) 2224ev_userdata (EV_P) EV_THROW
2102{ 2225{
2103 return userdata; 2226 return userdata;
2104} 2227}
2105 2228
2106void 2229void
2107ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2230ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2108{ 2231{
2109 invoke_cb = invoke_pending_cb; 2232 invoke_cb = invoke_pending_cb;
2110} 2233}
2111 2234
2112void 2235void
2113ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2236ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2114{ 2237{
2115 release_cb = release; 2238 release_cb = release;
2116 acquire_cb = acquire; 2239 acquire_cb = acquire;
2117} 2240}
2118#endif 2241#endif
2119 2242
2120/* initialise a loop structure, must be zero-initialised */ 2243/* initialise a loop structure, must be zero-initialised */
2121static void noinline ecb_cold 2244static void noinline ecb_cold
2122loop_init (EV_P_ unsigned int flags) 2245loop_init (EV_P_ unsigned int flags) EV_THROW
2123{ 2246{
2124 if (!backend) 2247 if (!backend)
2125 { 2248 {
2126 origflags = flags; 2249 origflags = flags;
2127 2250
2232 EV_INVOKE_PENDING; 2355 EV_INVOKE_PENDING;
2233 } 2356 }
2234#endif 2357#endif
2235 2358
2236#if EV_CHILD_ENABLE 2359#if EV_CHILD_ENABLE
2237 if (ev_is_active (&childev)) 2360 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2238 { 2361 {
2239 ev_ref (EV_A); /* child watcher */ 2362 ev_ref (EV_A); /* child watcher */
2240 ev_signal_stop (EV_A_ &childev); 2363 ev_signal_stop (EV_A_ &childev);
2241 } 2364 }
2242#endif 2365#endif
2380} 2503}
2381 2504
2382#if EV_MULTIPLICITY 2505#if EV_MULTIPLICITY
2383 2506
2384struct ev_loop * ecb_cold 2507struct ev_loop * ecb_cold
2385ev_loop_new (unsigned int flags) 2508ev_loop_new (unsigned int flags) EV_THROW
2386{ 2509{
2387 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2510 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2388 2511
2389 memset (EV_A, 0, sizeof (struct ev_loop)); 2512 memset (EV_A, 0, sizeof (struct ev_loop));
2390 loop_init (EV_A_ flags); 2513 loop_init (EV_A_ flags);
2434} 2557}
2435#endif 2558#endif
2436 2559
2437#if EV_FEATURE_API 2560#if EV_FEATURE_API
2438void ecb_cold 2561void ecb_cold
2439ev_verify (EV_P) 2562ev_verify (EV_P) EV_THROW
2440{ 2563{
2441#if EV_VERIFY 2564#if EV_VERIFY
2442 int i; 2565 int i;
2443 WL w; 2566 WL w, w2;
2444 2567
2445 assert (activecnt >= -1); 2568 assert (activecnt >= -1);
2446 2569
2447 assert (fdchangemax >= fdchangecnt); 2570 assert (fdchangemax >= fdchangecnt);
2448 for (i = 0; i < fdchangecnt; ++i) 2571 for (i = 0; i < fdchangecnt; ++i)
2449 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2572 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2450 2573
2451 assert (anfdmax >= 0); 2574 assert (anfdmax >= 0);
2452 for (i = 0; i < anfdmax; ++i) 2575 for (i = 0; i < anfdmax; ++i)
2576 {
2577 int j = 0;
2578
2453 for (w = anfds [i].head; w; w = w->next) 2579 for (w = w2 = anfds [i].head; w; w = w->next)
2454 { 2580 {
2455 verify_watcher (EV_A_ (W)w); 2581 verify_watcher (EV_A_ (W)w);
2582
2583 if (j++ & 1)
2584 {
2585 assert (("libev: io watcher list contains a loop", w != w2));
2586 w2 = w2->next;
2587 }
2588
2456 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2589 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2457 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2590 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2458 } 2591 }
2592 }
2459 2593
2460 assert (timermax >= timercnt); 2594 assert (timermax >= timercnt);
2461 verify_heap (EV_A_ timers, timercnt); 2595 verify_heap (EV_A_ timers, timercnt);
2462 2596
2463#if EV_PERIODIC_ENABLE 2597#if EV_PERIODIC_ENABLE
2513#if EV_MULTIPLICITY 2647#if EV_MULTIPLICITY
2514struct ev_loop * ecb_cold 2648struct ev_loop * ecb_cold
2515#else 2649#else
2516int 2650int
2517#endif 2651#endif
2518ev_default_loop (unsigned int flags) 2652ev_default_loop (unsigned int flags) EV_THROW
2519{ 2653{
2520 if (!ev_default_loop_ptr) 2654 if (!ev_default_loop_ptr)
2521 { 2655 {
2522#if EV_MULTIPLICITY 2656#if EV_MULTIPLICITY
2523 EV_P = ev_default_loop_ptr = &default_loop_struct; 2657 EV_P = ev_default_loop_ptr = &default_loop_struct;
2542 2676
2543 return ev_default_loop_ptr; 2677 return ev_default_loop_ptr;
2544} 2678}
2545 2679
2546void 2680void
2547ev_loop_fork (EV_P) 2681ev_loop_fork (EV_P) EV_THROW
2548{ 2682{
2549 postfork = 1; /* must be in line with ev_default_fork */ 2683 postfork = 1; /* must be in line with ev_default_fork */
2550} 2684}
2551 2685
2552/*****************************************************************************/ 2686/*****************************************************************************/
2556{ 2690{
2557 EV_CB_INVOKE ((W)w, revents); 2691 EV_CB_INVOKE ((W)w, revents);
2558} 2692}
2559 2693
2560unsigned int 2694unsigned int
2561ev_pending_count (EV_P) 2695ev_pending_count (EV_P) EV_THROW
2562{ 2696{
2563 int pri; 2697 int pri;
2564 unsigned int count = 0; 2698 unsigned int count = 0;
2565 2699
2566 for (pri = NUMPRI; pri--; ) 2700 for (pri = NUMPRI; pri--; )
2570} 2704}
2571 2705
2572void noinline 2706void noinline
2573ev_invoke_pending (EV_P) 2707ev_invoke_pending (EV_P)
2574{ 2708{
2575 int pri; 2709 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2576
2577 for (pri = NUMPRI; pri--; )
2578 while (pendingcnt [pri]) 2710 while (pendingcnt [pendingpri])
2579 { 2711 {
2580 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2712 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2581 2713
2582 p->w->pending = 0; 2714 p->w->pending = 0;
2583 EV_CB_INVOKE (p->w, p->events); 2715 EV_CB_INVOKE (p->w, p->events);
2584 EV_FREQUENT_CHECK; 2716 EV_FREQUENT_CHECK;
2585 } 2717 }
2680{ 2812{
2681 EV_FREQUENT_CHECK; 2813 EV_FREQUENT_CHECK;
2682 2814
2683 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2815 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2684 { 2816 {
2685 int feed_count = 0;
2686
2687 do 2817 do
2688 { 2818 {
2689 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2819 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2690 2820
2691 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 2821 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
2825 2955
2826 mn_now = ev_rt_now; 2956 mn_now = ev_rt_now;
2827 } 2957 }
2828} 2958}
2829 2959
2830void 2960int
2831ev_run (EV_P_ int flags) 2961ev_run (EV_P_ int flags)
2832{ 2962{
2833#if EV_FEATURE_API 2963#if EV_FEATURE_API
2834 ++loop_depth; 2964 ++loop_depth;
2835#endif 2965#endif
2948#endif 3078#endif
2949 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3079 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2950 backend_poll (EV_A_ waittime); 3080 backend_poll (EV_A_ waittime);
2951 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3081 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2952 3082
2953 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3083 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2954 3084
2955 if (pipe_write_skipped) 3085 if (pipe_write_skipped)
2956 { 3086 {
2957 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3087 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2958 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3088 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2992 loop_done = EVBREAK_CANCEL; 3122 loop_done = EVBREAK_CANCEL;
2993 3123
2994#if EV_FEATURE_API 3124#if EV_FEATURE_API
2995 --loop_depth; 3125 --loop_depth;
2996#endif 3126#endif
3127
3128 return activecnt;
2997} 3129}
2998 3130
2999void 3131void
3000ev_break (EV_P_ int how) 3132ev_break (EV_P_ int how) EV_THROW
3001{ 3133{
3002 loop_done = how; 3134 loop_done = how;
3003} 3135}
3004 3136
3005void 3137void
3006ev_ref (EV_P) 3138ev_ref (EV_P) EV_THROW
3007{ 3139{
3008 ++activecnt; 3140 ++activecnt;
3009} 3141}
3010 3142
3011void 3143void
3012ev_unref (EV_P) 3144ev_unref (EV_P) EV_THROW
3013{ 3145{
3014 --activecnt; 3146 --activecnt;
3015} 3147}
3016 3148
3017void 3149void
3018ev_now_update (EV_P) 3150ev_now_update (EV_P) EV_THROW
3019{ 3151{
3020 time_update (EV_A_ 1e100); 3152 time_update (EV_A_ 1e100);
3021} 3153}
3022 3154
3023void 3155void
3024ev_suspend (EV_P) 3156ev_suspend (EV_P) EV_THROW
3025{ 3157{
3026 ev_now_update (EV_A); 3158 ev_now_update (EV_A);
3027} 3159}
3028 3160
3029void 3161void
3030ev_resume (EV_P) 3162ev_resume (EV_P) EV_THROW
3031{ 3163{
3032 ev_tstamp mn_prev = mn_now; 3164 ev_tstamp mn_prev = mn_now;
3033 3165
3034 ev_now_update (EV_A); 3166 ev_now_update (EV_A);
3035 timers_reschedule (EV_A_ mn_now - mn_prev); 3167 timers_reschedule (EV_A_ mn_now - mn_prev);
3074 w->pending = 0; 3206 w->pending = 0;
3075 } 3207 }
3076} 3208}
3077 3209
3078int 3210int
3079ev_clear_pending (EV_P_ void *w) 3211ev_clear_pending (EV_P_ void *w) EV_THROW
3080{ 3212{
3081 W w_ = (W)w; 3213 W w_ = (W)w;
3082 int pending = w_->pending; 3214 int pending = w_->pending;
3083 3215
3084 if (expect_true (pending)) 3216 if (expect_true (pending))
3117} 3249}
3118 3250
3119/*****************************************************************************/ 3251/*****************************************************************************/
3120 3252
3121void noinline 3253void noinline
3122ev_io_start (EV_P_ ev_io *w) 3254ev_io_start (EV_P_ ev_io *w) EV_THROW
3123{ 3255{
3124 int fd = w->fd; 3256 int fd = w->fd;
3125 3257
3126 if (expect_false (ev_is_active (w))) 3258 if (expect_false (ev_is_active (w)))
3127 return; 3259 return;
3133 3265
3134 ev_start (EV_A_ (W)w, 1); 3266 ev_start (EV_A_ (W)w, 1);
3135 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3267 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3136 wlist_add (&anfds[fd].head, (WL)w); 3268 wlist_add (&anfds[fd].head, (WL)w);
3137 3269
3270 /* common bug, apparently */
3271 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3272
3138 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3273 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3139 w->events &= ~EV__IOFDSET; 3274 w->events &= ~EV__IOFDSET;
3140 3275
3141 EV_FREQUENT_CHECK; 3276 EV_FREQUENT_CHECK;
3142} 3277}
3143 3278
3144void noinline 3279void noinline
3145ev_io_stop (EV_P_ ev_io *w) 3280ev_io_stop (EV_P_ ev_io *w) EV_THROW
3146{ 3281{
3147 clear_pending (EV_A_ (W)w); 3282 clear_pending (EV_A_ (W)w);
3148 if (expect_false (!ev_is_active (w))) 3283 if (expect_false (!ev_is_active (w)))
3149 return; 3284 return;
3150 3285
3159 3294
3160 EV_FREQUENT_CHECK; 3295 EV_FREQUENT_CHECK;
3161} 3296}
3162 3297
3163void noinline 3298void noinline
3164ev_timer_start (EV_P_ ev_timer *w) 3299ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3165{ 3300{
3166 if (expect_false (ev_is_active (w))) 3301 if (expect_false (ev_is_active (w)))
3167 return; 3302 return;
3168 3303
3169 ev_at (w) += mn_now; 3304 ev_at (w) += mn_now;
3183 3318
3184 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3319 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3185} 3320}
3186 3321
3187void noinline 3322void noinline
3188ev_timer_stop (EV_P_ ev_timer *w) 3323ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3189{ 3324{
3190 clear_pending (EV_A_ (W)w); 3325 clear_pending (EV_A_ (W)w);
3191 if (expect_false (!ev_is_active (w))) 3326 if (expect_false (!ev_is_active (w)))
3192 return; 3327 return;
3193 3328
3213 3348
3214 EV_FREQUENT_CHECK; 3349 EV_FREQUENT_CHECK;
3215} 3350}
3216 3351
3217void noinline 3352void noinline
3218ev_timer_again (EV_P_ ev_timer *w) 3353ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3219{ 3354{
3220 EV_FREQUENT_CHECK; 3355 EV_FREQUENT_CHECK;
3356
3357 clear_pending (EV_A_ (W)w);
3221 3358
3222 if (ev_is_active (w)) 3359 if (ev_is_active (w))
3223 { 3360 {
3224 if (w->repeat) 3361 if (w->repeat)
3225 { 3362 {
3238 3375
3239 EV_FREQUENT_CHECK; 3376 EV_FREQUENT_CHECK;
3240} 3377}
3241 3378
3242ev_tstamp 3379ev_tstamp
3243ev_timer_remaining (EV_P_ ev_timer *w) 3380ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3244{ 3381{
3245 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3382 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3246} 3383}
3247 3384
3248#if EV_PERIODIC_ENABLE 3385#if EV_PERIODIC_ENABLE
3249void noinline 3386void noinline
3250ev_periodic_start (EV_P_ ev_periodic *w) 3387ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3251{ 3388{
3252 if (expect_false (ev_is_active (w))) 3389 if (expect_false (ev_is_active (w)))
3253 return; 3390 return;
3254 3391
3255 if (w->reschedule_cb) 3392 if (w->reschedule_cb)
3275 3412
3276 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3413 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3277} 3414}
3278 3415
3279void noinline 3416void noinline
3280ev_periodic_stop (EV_P_ ev_periodic *w) 3417ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3281{ 3418{
3282 clear_pending (EV_A_ (W)w); 3419 clear_pending (EV_A_ (W)w);
3283 if (expect_false (!ev_is_active (w))) 3420 if (expect_false (!ev_is_active (w)))
3284 return; 3421 return;
3285 3422
3303 3440
3304 EV_FREQUENT_CHECK; 3441 EV_FREQUENT_CHECK;
3305} 3442}
3306 3443
3307void noinline 3444void noinline
3308ev_periodic_again (EV_P_ ev_periodic *w) 3445ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3309{ 3446{
3310 /* TODO: use adjustheap and recalculation */ 3447 /* TODO: use adjustheap and recalculation */
3311 ev_periodic_stop (EV_A_ w); 3448 ev_periodic_stop (EV_A_ w);
3312 ev_periodic_start (EV_A_ w); 3449 ev_periodic_start (EV_A_ w);
3313} 3450}
3318#endif 3455#endif
3319 3456
3320#if EV_SIGNAL_ENABLE 3457#if EV_SIGNAL_ENABLE
3321 3458
3322void noinline 3459void noinline
3323ev_signal_start (EV_P_ ev_signal *w) 3460ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3324{ 3461{
3325 if (expect_false (ev_is_active (w))) 3462 if (expect_false (ev_is_active (w)))
3326 return; 3463 return;
3327 3464
3328 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3465 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3399 3536
3400 EV_FREQUENT_CHECK; 3537 EV_FREQUENT_CHECK;
3401} 3538}
3402 3539
3403void noinline 3540void noinline
3404ev_signal_stop (EV_P_ ev_signal *w) 3541ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3405{ 3542{
3406 clear_pending (EV_A_ (W)w); 3543 clear_pending (EV_A_ (W)w);
3407 if (expect_false (!ev_is_active (w))) 3544 if (expect_false (!ev_is_active (w)))
3408 return; 3545 return;
3409 3546
3440#endif 3577#endif
3441 3578
3442#if EV_CHILD_ENABLE 3579#if EV_CHILD_ENABLE
3443 3580
3444void 3581void
3445ev_child_start (EV_P_ ev_child *w) 3582ev_child_start (EV_P_ ev_child *w) EV_THROW
3446{ 3583{
3447#if EV_MULTIPLICITY 3584#if EV_MULTIPLICITY
3448 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3585 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3449#endif 3586#endif
3450 if (expect_false (ev_is_active (w))) 3587 if (expect_false (ev_is_active (w)))
3457 3594
3458 EV_FREQUENT_CHECK; 3595 EV_FREQUENT_CHECK;
3459} 3596}
3460 3597
3461void 3598void
3462ev_child_stop (EV_P_ ev_child *w) 3599ev_child_stop (EV_P_ ev_child *w) EV_THROW
3463{ 3600{
3464 clear_pending (EV_A_ (W)w); 3601 clear_pending (EV_A_ (W)w);
3465 if (expect_false (!ev_is_active (w))) 3602 if (expect_false (!ev_is_active (w)))
3466 return; 3603 return;
3467 3604
3634} 3771}
3635 3772
3636inline_size int 3773inline_size int
3637infy_newfd (void) 3774infy_newfd (void)
3638{ 3775{
3639#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3776#if defined IN_CLOEXEC && defined IN_NONBLOCK
3640 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3777 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3641 if (fd >= 0) 3778 if (fd >= 0)
3642 return fd; 3779 return fd;
3643#endif 3780#endif
3644 return inotify_init (); 3781 return inotify_init ();
3719#else 3856#else
3720# define EV_LSTAT(p,b) lstat (p, b) 3857# define EV_LSTAT(p,b) lstat (p, b)
3721#endif 3858#endif
3722 3859
3723void 3860void
3724ev_stat_stat (EV_P_ ev_stat *w) 3861ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3725{ 3862{
3726 if (lstat (w->path, &w->attr) < 0) 3863 if (lstat (w->path, &w->attr) < 0)
3727 w->attr.st_nlink = 0; 3864 w->attr.st_nlink = 0;
3728 else if (!w->attr.st_nlink) 3865 else if (!w->attr.st_nlink)
3729 w->attr.st_nlink = 1; 3866 w->attr.st_nlink = 1;
3768 ev_feed_event (EV_A_ w, EV_STAT); 3905 ev_feed_event (EV_A_ w, EV_STAT);
3769 } 3906 }
3770} 3907}
3771 3908
3772void 3909void
3773ev_stat_start (EV_P_ ev_stat *w) 3910ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3774{ 3911{
3775 if (expect_false (ev_is_active (w))) 3912 if (expect_false (ev_is_active (w)))
3776 return; 3913 return;
3777 3914
3778 ev_stat_stat (EV_A_ w); 3915 ev_stat_stat (EV_A_ w);
3799 3936
3800 EV_FREQUENT_CHECK; 3937 EV_FREQUENT_CHECK;
3801} 3938}
3802 3939
3803void 3940void
3804ev_stat_stop (EV_P_ ev_stat *w) 3941ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3805{ 3942{
3806 clear_pending (EV_A_ (W)w); 3943 clear_pending (EV_A_ (W)w);
3807 if (expect_false (!ev_is_active (w))) 3944 if (expect_false (!ev_is_active (w)))
3808 return; 3945 return;
3809 3946
3825} 3962}
3826#endif 3963#endif
3827 3964
3828#if EV_IDLE_ENABLE 3965#if EV_IDLE_ENABLE
3829void 3966void
3830ev_idle_start (EV_P_ ev_idle *w) 3967ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3831{ 3968{
3832 if (expect_false (ev_is_active (w))) 3969 if (expect_false (ev_is_active (w)))
3833 return; 3970 return;
3834 3971
3835 pri_adjust (EV_A_ (W)w); 3972 pri_adjust (EV_A_ (W)w);
3848 3985
3849 EV_FREQUENT_CHECK; 3986 EV_FREQUENT_CHECK;
3850} 3987}
3851 3988
3852void 3989void
3853ev_idle_stop (EV_P_ ev_idle *w) 3990ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3854{ 3991{
3855 clear_pending (EV_A_ (W)w); 3992 clear_pending (EV_A_ (W)w);
3856 if (expect_false (!ev_is_active (w))) 3993 if (expect_false (!ev_is_active (w)))
3857 return; 3994 return;
3858 3995
3872} 4009}
3873#endif 4010#endif
3874 4011
3875#if EV_PREPARE_ENABLE 4012#if EV_PREPARE_ENABLE
3876void 4013void
3877ev_prepare_start (EV_P_ ev_prepare *w) 4014ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3878{ 4015{
3879 if (expect_false (ev_is_active (w))) 4016 if (expect_false (ev_is_active (w)))
3880 return; 4017 return;
3881 4018
3882 EV_FREQUENT_CHECK; 4019 EV_FREQUENT_CHECK;
3887 4024
3888 EV_FREQUENT_CHECK; 4025 EV_FREQUENT_CHECK;
3889} 4026}
3890 4027
3891void 4028void
3892ev_prepare_stop (EV_P_ ev_prepare *w) 4029ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3893{ 4030{
3894 clear_pending (EV_A_ (W)w); 4031 clear_pending (EV_A_ (W)w);
3895 if (expect_false (!ev_is_active (w))) 4032 if (expect_false (!ev_is_active (w)))
3896 return; 4033 return;
3897 4034
3910} 4047}
3911#endif 4048#endif
3912 4049
3913#if EV_CHECK_ENABLE 4050#if EV_CHECK_ENABLE
3914void 4051void
3915ev_check_start (EV_P_ ev_check *w) 4052ev_check_start (EV_P_ ev_check *w) EV_THROW
3916{ 4053{
3917 if (expect_false (ev_is_active (w))) 4054 if (expect_false (ev_is_active (w)))
3918 return; 4055 return;
3919 4056
3920 EV_FREQUENT_CHECK; 4057 EV_FREQUENT_CHECK;
3925 4062
3926 EV_FREQUENT_CHECK; 4063 EV_FREQUENT_CHECK;
3927} 4064}
3928 4065
3929void 4066void
3930ev_check_stop (EV_P_ ev_check *w) 4067ev_check_stop (EV_P_ ev_check *w) EV_THROW
3931{ 4068{
3932 clear_pending (EV_A_ (W)w); 4069 clear_pending (EV_A_ (W)w);
3933 if (expect_false (!ev_is_active (w))) 4070 if (expect_false (!ev_is_active (w)))
3934 return; 4071 return;
3935 4072
3948} 4085}
3949#endif 4086#endif
3950 4087
3951#if EV_EMBED_ENABLE 4088#if EV_EMBED_ENABLE
3952void noinline 4089void noinline
3953ev_embed_sweep (EV_P_ ev_embed *w) 4090ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3954{ 4091{
3955 ev_run (w->other, EVRUN_NOWAIT); 4092 ev_run (w->other, EVRUN_NOWAIT);
3956} 4093}
3957 4094
3958static void 4095static void
4006 ev_idle_stop (EV_A_ idle); 4143 ev_idle_stop (EV_A_ idle);
4007} 4144}
4008#endif 4145#endif
4009 4146
4010void 4147void
4011ev_embed_start (EV_P_ ev_embed *w) 4148ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4012{ 4149{
4013 if (expect_false (ev_is_active (w))) 4150 if (expect_false (ev_is_active (w)))
4014 return; 4151 return;
4015 4152
4016 { 4153 {
4037 4174
4038 EV_FREQUENT_CHECK; 4175 EV_FREQUENT_CHECK;
4039} 4176}
4040 4177
4041void 4178void
4042ev_embed_stop (EV_P_ ev_embed *w) 4179ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4043{ 4180{
4044 clear_pending (EV_A_ (W)w); 4181 clear_pending (EV_A_ (W)w);
4045 if (expect_false (!ev_is_active (w))) 4182 if (expect_false (!ev_is_active (w)))
4046 return; 4183 return;
4047 4184
4057} 4194}
4058#endif 4195#endif
4059 4196
4060#if EV_FORK_ENABLE 4197#if EV_FORK_ENABLE
4061void 4198void
4062ev_fork_start (EV_P_ ev_fork *w) 4199ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4063{ 4200{
4064 if (expect_false (ev_is_active (w))) 4201 if (expect_false (ev_is_active (w)))
4065 return; 4202 return;
4066 4203
4067 EV_FREQUENT_CHECK; 4204 EV_FREQUENT_CHECK;
4072 4209
4073 EV_FREQUENT_CHECK; 4210 EV_FREQUENT_CHECK;
4074} 4211}
4075 4212
4076void 4213void
4077ev_fork_stop (EV_P_ ev_fork *w) 4214ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4078{ 4215{
4079 clear_pending (EV_A_ (W)w); 4216 clear_pending (EV_A_ (W)w);
4080 if (expect_false (!ev_is_active (w))) 4217 if (expect_false (!ev_is_active (w)))
4081 return; 4218 return;
4082 4219
4095} 4232}
4096#endif 4233#endif
4097 4234
4098#if EV_CLEANUP_ENABLE 4235#if EV_CLEANUP_ENABLE
4099void 4236void
4100ev_cleanup_start (EV_P_ ev_cleanup *w) 4237ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4101{ 4238{
4102 if (expect_false (ev_is_active (w))) 4239 if (expect_false (ev_is_active (w)))
4103 return; 4240 return;
4104 4241
4105 EV_FREQUENT_CHECK; 4242 EV_FREQUENT_CHECK;
4112 ev_unref (EV_A); 4249 ev_unref (EV_A);
4113 EV_FREQUENT_CHECK; 4250 EV_FREQUENT_CHECK;
4114} 4251}
4115 4252
4116void 4253void
4117ev_cleanup_stop (EV_P_ ev_cleanup *w) 4254ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4118{ 4255{
4119 clear_pending (EV_A_ (W)w); 4256 clear_pending (EV_A_ (W)w);
4120 if (expect_false (!ev_is_active (w))) 4257 if (expect_false (!ev_is_active (w)))
4121 return; 4258 return;
4122 4259
4136} 4273}
4137#endif 4274#endif
4138 4275
4139#if EV_ASYNC_ENABLE 4276#if EV_ASYNC_ENABLE
4140void 4277void
4141ev_async_start (EV_P_ ev_async *w) 4278ev_async_start (EV_P_ ev_async *w) EV_THROW
4142{ 4279{
4143 if (expect_false (ev_is_active (w))) 4280 if (expect_false (ev_is_active (w)))
4144 return; 4281 return;
4145 4282
4146 w->sent = 0; 4283 w->sent = 0;
4155 4292
4156 EV_FREQUENT_CHECK; 4293 EV_FREQUENT_CHECK;
4157} 4294}
4158 4295
4159void 4296void
4160ev_async_stop (EV_P_ ev_async *w) 4297ev_async_stop (EV_P_ ev_async *w) EV_THROW
4161{ 4298{
4162 clear_pending (EV_A_ (W)w); 4299 clear_pending (EV_A_ (W)w);
4163 if (expect_false (!ev_is_active (w))) 4300 if (expect_false (!ev_is_active (w)))
4164 return; 4301 return;
4165 4302
4176 4313
4177 EV_FREQUENT_CHECK; 4314 EV_FREQUENT_CHECK;
4178} 4315}
4179 4316
4180void 4317void
4181ev_async_send (EV_P_ ev_async *w) 4318ev_async_send (EV_P_ ev_async *w) EV_THROW
4182{ 4319{
4183 w->sent = 1; 4320 w->sent = 1;
4184 evpipe_write (EV_A_ &async_pending); 4321 evpipe_write (EV_A_ &async_pending);
4185} 4322}
4186#endif 4323#endif
4223 4360
4224 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4361 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4225} 4362}
4226 4363
4227void 4364void
4228ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4365ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4229{ 4366{
4230 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4367 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4231 4368
4232 if (expect_false (!once)) 4369 if (expect_false (!once))
4233 { 4370 {
4255 4392
4256/*****************************************************************************/ 4393/*****************************************************************************/
4257 4394
4258#if EV_WALK_ENABLE 4395#if EV_WALK_ENABLE
4259void ecb_cold 4396void ecb_cold
4260ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4397ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4261{ 4398{
4262 int i, j; 4399 int i, j;
4263 ev_watcher_list *wl, *wn; 4400 ev_watcher_list *wl, *wn;
4264 4401
4265 if (types & (EV_IO | EV_EMBED)) 4402 if (types & (EV_IO | EV_EMBED))
4371 4508
4372#if EV_MULTIPLICITY 4509#if EV_MULTIPLICITY
4373 #include "ev_wrap.h" 4510 #include "ev_wrap.h"
4374#endif 4511#endif
4375 4512
4376EV_CPP(})
4377

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