ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libev/ev.c
(Generate patch)

Comparing libev/ev.c (file contents):
Revision 1.398 by root, Sun Sep 25 21:27:35 2011 UTC vs.
Revision 1.439 by root, Tue May 29 21:06:11 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:
… …
498 */ 504 */
499 505
500#ifndef ECB_H 506#ifndef ECB_H
501#define ECB_H 507#define ECB_H
502 508
509/* 16 bits major, 16 bits minor */
510#define ECB_VERSION 0x00010001
511
503#ifdef _WIN32 512#ifdef _WIN32
504 typedef signed char int8_t; 513 typedef signed char int8_t;
505 typedef unsigned char uint8_t; 514 typedef unsigned char uint8_t;
506 typedef signed short int16_t; 515 typedef signed short int16_t;
507 typedef unsigned short uint16_t; 516 typedef unsigned short uint16_t;
… …
512 typedef unsigned long long uint64_t; 521 typedef unsigned long long uint64_t;
513 #else /* _MSC_VER || __BORLANDC__ */ 522 #else /* _MSC_VER || __BORLANDC__ */
514 typedef signed __int64 int64_t; 523 typedef signed __int64 int64_t;
515 typedef unsigned __int64 uint64_t; 524 typedef unsigned __int64 uint64_t;
516 #endif 525 #endif
526 #ifdef _WIN64
527 #define ECB_PTRSIZE 8
528 typedef uint64_t uintptr_t;
529 typedef int64_t intptr_t;
530 #else
531 #define ECB_PTRSIZE 4
532 typedef uint32_t uintptr_t;
533 typedef int32_t intptr_t;
534 #endif
535 typedef intptr_t ptrdiff_t;
517#else 536#else
518 #include <inttypes.h> 537 #include <inttypes.h>
538 #if UINTMAX_MAX > 0xffffffffU
539 #define ECB_PTRSIZE 8
540 #else
541 #define ECB_PTRSIZE 4
542 #endif
519#endif 543#endif
520 544
521/* many compilers define _GNUC_ to some versions but then only implement 545/* many compilers define _GNUC_ to some versions but then only implement
522 * what their idiot authors think are the "more important" extensions, 546 * what their idiot authors think are the "more important" extensions,
523 * causing enormous grief in return for some better fake benchmark numbers. 547 * causing enormous grief in return for some better fake benchmark numbers.
524 * or so. 548 * or so.
525 * we try to detect these and simply assume they are not gcc - if they have 549 * 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. 550 * an issue with that they should have done it right in the first place.
527 */ 551 */
528#ifndef ECB_GCC_VERSION 552#ifndef ECB_GCC_VERSION
529 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__) 553 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
530 #define ECB_GCC_VERSION(major,minor) 0 554 #define ECB_GCC_VERSION(major,minor) 0
531 #else 555 #else
532 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 556 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533 #endif 557 #endif
534#endif 558#endif
535 559
560#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
561#define ECB_C99 (__STDC_VERSION__ >= 199901L)
562#define ECB_C11 (__STDC_VERSION__ >= 201112L)
563#define ECB_CPP (__cplusplus+0)
564#define ECB_CPP98 (__cplusplus >= 199711L)
565#define ECB_CPP11 (__cplusplus >= 201103L)
566
536/*****************************************************************************/ 567/*****************************************************************************/
537 568
538/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ 569/* 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 */ 570/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540 571
541#if ECB_NO_THREADS || ECB_NO_SMP 572#if ECB_NO_THREADS
573 #define ECB_NO_SMP 1
574#endif
575
576#if ECB_NO_SMP
542 #define ECB_MEMORY_FENCE do { } while (0) 577 #define ECB_MEMORY_FENCE do { } while (0)
543#endif 578#endif
544 579
545#ifndef ECB_MEMORY_FENCE 580#ifndef ECB_MEMORY_FENCE
546 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) 581 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547 #if __i386__ 582 #if __i386 || __i386__
548 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 583 #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 */ 584 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
550 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ 585 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
551 #elif __amd64 586 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 587 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 588 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
554 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ 589 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
555 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 590 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 591 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 592 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 593 || 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") 594 #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__ ) \ 595 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 596 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 597 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
598 #elif __sparc || __sparc__
599 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
600 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
601 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
602 #elif defined __s390__ || defined __s390x__
603 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
604 #elif defined __mips__
605 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
606 #elif defined __alpha__
607 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
608 #elif defined __hppa__
609 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
610 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
611 #elif defined __ia64__
612 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
563 #endif 613 #endif
564 #endif 614 #endif
565#endif 615#endif
566 616
567#ifndef ECB_MEMORY_FENCE 617#ifndef ECB_MEMORY_FENCE
618 #if ECB_GCC_VERSION(4,7)
619 /* see comment below about the C11 memory model. in short - avoid */
620 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
621 #elif defined __clang && __has_feature (cxx_atomic)
622 /* see above */
623 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
568 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 624 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569 #define ECB_MEMORY_FENCE __sync_synchronize () 625 #define ECB_MEMORY_FENCE __sync_synchronize ()
570 /*#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 ); }) */
572 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 626 #elif _MSC_VER >= 1400 /* VC++ 2005 */
573 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 627 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 628 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 629 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 630 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577 #elif defined(_WIN32) 631 #elif defined _WIN32
578 #include <WinNT.h> 632 #include <WinNT.h>
579 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 633 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
634 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
635 #include <mbarrier.h>
636 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
637 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
638 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
639 #elif __xlC__
640 #define ECB_MEMORY_FENCE __sync ()
641 #endif
642#endif
643
644#ifndef ECB_MEMORY_FENCE
645 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
646 /* we assume that these memory fences work on all variables/all memory accesses, */
647 /* not just C11 atomics and atomic accesses */
648 #include <stdatomic.h>
649 /* unfortunately, the C11 memory model seems to be very limited, and unable to express */
650 /* simple barrier semantics. That means we need to take out thor's hammer. */
651 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
580 #endif 652 #endif
581#endif 653#endif
582 654
583#ifndef ECB_MEMORY_FENCE 655#ifndef ECB_MEMORY_FENCE
584 #if !ECB_AVOID_PTHREADS 656 #if !ECB_AVOID_PTHREADS
… …
596 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 668 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) 669 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598 #endif 670 #endif
599#endif 671#endif
600 672
601#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 673#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 674 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603#endif 675#endif
604 676
605#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 677#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 678 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607#endif 679#endif
608 680
609/*****************************************************************************/ 681/*****************************************************************************/
610
611#define ECB_C99 (__STDC_VERSION__ >= 199901L)
612 682
613#if __cplusplus 683#if __cplusplus
614 #define ecb_inline static inline 684 #define ecb_inline static inline
615#elif ECB_GCC_VERSION(2,5) 685#elif ECB_GCC_VERSION(2,5)
616 #define ecb_inline static __inline__ 686 #define ecb_inline static __inline__
… …
655#elif ECB_GCC_VERSION(3,0) 725#elif ECB_GCC_VERSION(3,0)
656 #define ecb_decltype(x) __typeof(x) 726 #define ecb_decltype(x) __typeof(x)
657#endif 727#endif
658 728
659#define ecb_noinline ecb_attribute ((__noinline__)) 729#define ecb_noinline ecb_attribute ((__noinline__))
660#define ecb_noreturn ecb_attribute ((__noreturn__))
661#define ecb_unused ecb_attribute ((__unused__)) 730#define ecb_unused ecb_attribute ((__unused__))
662#define ecb_const ecb_attribute ((__const__)) 731#define ecb_const ecb_attribute ((__const__))
663#define ecb_pure ecb_attribute ((__pure__)) 732#define ecb_pure ecb_attribute ((__pure__))
733
734#if ECB_C11
735 #define ecb_noreturn _Noreturn
736#else
737 #define ecb_noreturn ecb_attribute ((__noreturn__))
738#endif
664 739
665#if ECB_GCC_VERSION(4,3) 740#if ECB_GCC_VERSION(4,3)
666 #define ecb_artificial ecb_attribute ((__artificial__)) 741 #define ecb_artificial ecb_attribute ((__artificial__))
667 #define ecb_hot ecb_attribute ((__hot__)) 742 #define ecb_hot ecb_attribute ((__hot__))
668 #define ecb_cold ecb_attribute ((__cold__)) 743 #define ecb_cold ecb_attribute ((__cold__))
… …
759 834
760 return r + ecb_ld32 (x); 835 return r + ecb_ld32 (x);
761 } 836 }
762#endif 837#endif
763 838
839ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
840ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
841ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
842ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
843
844ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
845ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
846{
847 return ( (x * 0x0802U & 0x22110U)
848 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
849}
850
851ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
852ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
853{
854 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
855 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
856 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
857 x = ( x >> 8 ) | ( x << 8);
858
859 return x;
860}
861
862ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
863ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
864{
865 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
866 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
867 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
868 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
869 x = ( x >> 16 ) | ( x << 16);
870
871 return x;
872}
873
764/* popcount64 is only available on 64 bit cpus as gcc builtin */ 874/* popcount64 is only available on 64 bit cpus as gcc builtin */
765/* so for this version we are lazy */ 875/* so for this version we are lazy */
766ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; 876ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767ecb_function_ int 877ecb_function_ int
768ecb_popcount64 (uint64_t x) 878ecb_popcount64 (uint64_t x)
… …
817 927
818#if ECB_GCC_VERSION(4,5) 928#if ECB_GCC_VERSION(4,5)
819 #define ecb_unreachable() __builtin_unreachable () 929 #define ecb_unreachable() __builtin_unreachable ()
820#else 930#else
821 /* this seems to work fine, but gcc always emits a warning for it :/ */ 931 /* this seems to work fine, but gcc always emits a warning for it :/ */
822 ecb_function_ void ecb_unreachable (void) ecb_noreturn; 932 ecb_inline void ecb_unreachable (void) ecb_noreturn;
823 ecb_function_ void ecb_unreachable (void) { } 933 ecb_inline void ecb_unreachable (void) { }
824#endif 934#endif
825 935
826/* try to tell the compiler that some condition is definitely true */ 936/* try to tell the compiler that some condition is definitely true */
827#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) 937#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
828 938
829ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; 939ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830ecb_function_ unsigned char 940ecb_inline unsigned char
831ecb_byteorder_helper (void) 941ecb_byteorder_helper (void)
832{ 942{
833 const uint32_t u = 0x11223344; 943 const uint32_t u = 0x11223344;
834 return *(unsigned char *)&u; 944 return *(unsigned char *)&u;
835} 945}
836 946
837ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; 947ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } 948ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; 949ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } 950ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841 951
842#if ECB_GCC_VERSION(3,0) || ECB_C99 952#if ECB_GCC_VERSION(3,0) || ECB_C99
843 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 953 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844#else 954#else
845 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 955 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
… …
878 988
879#if ECB_MEMORY_FENCE_NEEDS_PTHREADS 989#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
880/* if your architecture doesn't need memory fences, e.g. because it is 990/* if your architecture doesn't need memory fences, e.g. because it is
881 * single-cpu/core, or if you use libev in a project that doesn't use libev 991 * single-cpu/core, or if you use libev in a project that doesn't use libev
882 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling 992 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
883 * libev, in which casess the memory fences become nops. 993 * libev, in which cases the memory fences become nops.
884 * alternatively, you can remove this #error and link against libpthread, 994 * alternatively, you can remove this #error and link against libpthread,
885 * which will then provide the memory fences. 995 * which will then provide the memory fences.
886 */ 996 */
887# error "memory fences not defined for your architecture, please report" 997# error "memory fences not defined for your architecture, please report"
888#endif 998#endif
… …
1045{ 1155{
1046 write (STDERR_FILENO, msg, strlen (msg)); 1156 write (STDERR_FILENO, msg, strlen (msg));
1047} 1157}
1048#endif 1158#endif
1049 1159
1050static void (*syserr_cb)(const char *msg); 1160static void (*syserr_cb)(const char *msg) EV_THROW;
1051 1161
1052void ecb_cold 1162void ecb_cold
1053ev_set_syserr_cb (void (*cb)(const char *msg)) 1163ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1054{ 1164{
1055 syserr_cb = cb; 1165 syserr_cb = cb;
1056} 1166}
1057 1167
1058static void noinline ecb_cold 1168static void noinline ecb_cold
… …
1076 abort (); 1186 abort ();
1077 } 1187 }
1078} 1188}
1079 1189
1080static void * 1190static void *
1081ev_realloc_emul (void *ptr, long size) 1191ev_realloc_emul (void *ptr, long size) EV_THROW
1082{ 1192{
1083#if __GLIBC__ 1193#if __GLIBC__
1084 return realloc (ptr, size); 1194 return realloc (ptr, size);
1085#else 1195#else
1086 /* some systems, notably openbsd and darwin, fail to properly 1196 /* some systems, notably openbsd and darwin, fail to properly
… …
1094 free (ptr); 1204 free (ptr);
1095 return 0; 1205 return 0;
1096#endif 1206#endif
1097} 1207}
1098 1208
1099static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1209static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1100 1210
1101void ecb_cold 1211void ecb_cold
1102ev_set_allocator (void *(*cb)(void *ptr, long size)) 1212ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1103{ 1213{
1104 alloc = cb; 1214 alloc = cb;
1105} 1215}
1106 1216
1107inline_speed void * 1217inline_speed void *
… …
1195 #undef VAR 1305 #undef VAR
1196 }; 1306 };
1197 #include "ev_wrap.h" 1307 #include "ev_wrap.h"
1198 1308
1199 static struct ev_loop default_loop_struct; 1309 static struct ev_loop default_loop_struct;
1200 struct ev_loop *ev_default_loop_ptr; 1310 EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1201 1311
1202#else 1312#else
1203 1313
1204 ev_tstamp ev_rt_now; 1314 EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1205 #define VAR(name,decl) static decl; 1315 #define VAR(name,decl) static decl;
1206 #include "ev_vars.h" 1316 #include "ev_vars.h"
1207 #undef VAR 1317 #undef VAR
1208 1318
1209 static int ev_default_loop_ptr; 1319 static int ev_default_loop_ptr;
… …
1224 1334
1225/*****************************************************************************/ 1335/*****************************************************************************/
1226 1336
1227#ifndef EV_HAVE_EV_TIME 1337#ifndef EV_HAVE_EV_TIME
1228ev_tstamp 1338ev_tstamp
1229ev_time (void) 1339ev_time (void) EV_THROW
1230{ 1340{
1231#if EV_USE_REALTIME 1341#if EV_USE_REALTIME
1232 if (expect_true (have_realtime)) 1342 if (expect_true (have_realtime))
1233 { 1343 {
1234 struct timespec ts; 1344 struct timespec ts;
… …
1258 return ev_time (); 1368 return ev_time ();
1259} 1369}
1260 1370
1261#if EV_MULTIPLICITY 1371#if EV_MULTIPLICITY
1262ev_tstamp 1372ev_tstamp
1263ev_now (EV_P) 1373ev_now (EV_P) EV_THROW
1264{ 1374{
1265 return ev_rt_now; 1375 return ev_rt_now;
1266} 1376}
1267#endif 1377#endif
1268 1378
1269void 1379void
1270ev_sleep (ev_tstamp delay) 1380ev_sleep (ev_tstamp delay) EV_THROW
1271{ 1381{
1272 if (delay > 0.) 1382 if (delay > 0.)
1273 { 1383 {
1274#if EV_USE_NANOSLEEP 1384#if EV_USE_NANOSLEEP
1275 struct timespec ts; 1385 struct timespec ts;
1276 1386
1277 EV_TS_SET (ts, delay); 1387 EV_TS_SET (ts, delay);
1278 nanosleep (&ts, 0); 1388 nanosleep (&ts, 0);
1279#elif defined(_WIN32) 1389#elif defined _WIN32
1280 Sleep ((unsigned long)(delay * 1e3)); 1390 Sleep ((unsigned long)(delay * 1e3));
1281#else 1391#else
1282 struct timeval tv; 1392 struct timeval tv;
1283 1393
1284 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1394 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
1303 1413
1304 do 1414 do
1305 ncur <<= 1; 1415 ncur <<= 1;
1306 while (cnt > ncur); 1416 while (cnt > ncur);
1307 1417
1308 /* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */ 1418 /* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1309 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1419 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1310 { 1420 {
1311 ncur *= elem; 1421 ncur *= elem;
1312 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1); 1422 ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1313 ncur = ncur - sizeof (void *) * 4; 1423 ncur = ncur - sizeof (void *) * 4;
… …
1356pendingcb (EV_P_ ev_prepare *w, int revents) 1466pendingcb (EV_P_ ev_prepare *w, int revents)
1357{ 1467{
1358} 1468}
1359 1469
1360void noinline 1470void noinline
1361ev_feed_event (EV_P_ void *w, int revents) 1471ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1362{ 1472{
1363 W w_ = (W)w; 1473 W w_ = (W)w;
1364 int pri = ABSPRI (w_); 1474 int pri = ABSPRI (w_);
1365 1475
1366 if (expect_false (w_->pending)) 1476 if (expect_false (w_->pending))
… …
1370 w_->pending = ++pendingcnt [pri]; 1480 w_->pending = ++pendingcnt [pri];
1371 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1481 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1372 pendings [pri][w_->pending - 1].w = w_; 1482 pendings [pri][w_->pending - 1].w = w_;
1373 pendings [pri][w_->pending - 1].events = revents; 1483 pendings [pri][w_->pending - 1].events = revents;
1374 } 1484 }
1485
1486 pendingpri = NUMPRI - 1;
1375} 1487}
1376 1488
1377inline_speed void 1489inline_speed void
1378feed_reverse (EV_P_ W w) 1490feed_reverse (EV_P_ W w)
1379{ 1491{
… …
1425 if (expect_true (!anfd->reify)) 1537 if (expect_true (!anfd->reify))
1426 fd_event_nocheck (EV_A_ fd, revents); 1538 fd_event_nocheck (EV_A_ fd, revents);
1427} 1539}
1428 1540
1429void 1541void
1430ev_feed_fd_event (EV_P_ int fd, int revents) 1542ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1431{ 1543{
1432 if (fd >= 0 && fd < anfdmax) 1544 if (fd >= 0 && fd < anfdmax)
1433 fd_event_nocheck (EV_A_ fd, revents); 1545 fd_event_nocheck (EV_A_ fd, revents);
1434} 1546}
1435 1547
… …
1784} 1896}
1785 1897
1786inline_speed void 1898inline_speed void
1787evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1899evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1788{ 1900{
1901 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1902
1789 if (expect_true (*flag)) 1903 if (expect_true (*flag))
1790 return; 1904 return;
1791 1905
1792 *flag = 1; 1906 *flag = 1;
1793
1794 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 1907 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1795 1908
1796 pipe_write_skipped = 1; 1909 pipe_write_skipped = 1;
1797 1910
1798 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ 1911 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1799 1912
1800 if (pipe_write_wanted) 1913 if (pipe_write_wanted)
1801 { 1914 {
1802 int old_errno; 1915 int old_errno;
1803 1916
1804 pipe_write_skipped = 0; /* just an optimisation, no fence needed */ 1917 pipe_write_skipped = 0;
1918 ECB_MEMORY_FENCE_RELEASE;
1805 1919
1806 old_errno = errno; /* save errno because write will clobber it */ 1920 old_errno = errno; /* save errno because write will clobber it */
1807 1921
1808#if EV_USE_EVENTFD 1922#if EV_USE_EVENTFD
1809 if (evfd >= 0) 1923 if (evfd >= 0)
… …
1812 write (evfd, &counter, sizeof (uint64_t)); 1926 write (evfd, &counter, sizeof (uint64_t));
1813 } 1927 }
1814 else 1928 else
1815#endif 1929#endif
1816 { 1930 {
1817 /* win32 people keep sending patches that change this write() to send() */ 1931#ifdef _WIN32
1818 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1932 WSABUF buf;
1819 /* so when you think this write should be a send instead, please find out */ 1933 DWORD sent;
1820 /* where your send() is from - it's definitely not the microsoft send, and */ 1934 buf.buf = &buf;
1821 /* tell me. thank you. */ 1935 buf.len = 1;
1936 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1937#else
1822 write (evpipe [1], &(evpipe [1]), 1); 1938 write (evpipe [1], &(evpipe [1]), 1);
1939#endif
1823 } 1940 }
1824 1941
1825 errno = old_errno; 1942 errno = old_errno;
1826 } 1943 }
1827} 1944}
… …
1842 read (evfd, &counter, sizeof (uint64_t)); 1959 read (evfd, &counter, sizeof (uint64_t));
1843 } 1960 }
1844 else 1961 else
1845#endif 1962#endif
1846 { 1963 {
1847 char dummy; 1964 char dummy[4];
1848 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1965#ifdef _WIN32
1966 WSABUF buf;
1967 DWORD recvd;
1968 DWORD flags = 0;
1969 buf.buf = dummy;
1970 buf.len = sizeof (dummy);
1971 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
1972#else
1849 read (evpipe [0], &dummy, 1); 1973 read (evpipe [0], &dummy, sizeof (dummy));
1974#endif
1850 } 1975 }
1851 } 1976 }
1852 1977
1853 pipe_write_skipped = 0; 1978 pipe_write_skipped = 0;
1979
1980 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1854 1981
1855#if EV_SIGNAL_ENABLE 1982#if EV_SIGNAL_ENABLE
1856 if (sig_pending) 1983 if (sig_pending)
1857 { 1984 {
1858 sig_pending = 0; 1985 sig_pending = 0;
1986
1987 ECB_MEMORY_FENCE;
1859 1988
1860 for (i = EV_NSIG - 1; i--; ) 1989 for (i = EV_NSIG - 1; i--; )
1861 if (expect_false (signals [i].pending)) 1990 if (expect_false (signals [i].pending))
1862 ev_feed_signal_event (EV_A_ i + 1); 1991 ev_feed_signal_event (EV_A_ i + 1);
1863 } 1992 }
… …
1865 1994
1866#if EV_ASYNC_ENABLE 1995#if EV_ASYNC_ENABLE
1867 if (async_pending) 1996 if (async_pending)
1868 { 1997 {
1869 async_pending = 0; 1998 async_pending = 0;
1999
2000 ECB_MEMORY_FENCE;
1870 2001
1871 for (i = asynccnt; i--; ) 2002 for (i = asynccnt; i--; )
1872 if (asyncs [i]->sent) 2003 if (asyncs [i]->sent)
1873 { 2004 {
1874 asyncs [i]->sent = 0; 2005 asyncs [i]->sent = 0;
2006 ECB_MEMORY_FENCE_RELEASE;
1875 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2007 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1876 } 2008 }
1877 } 2009 }
1878#endif 2010#endif
1879} 2011}
1880 2012
1881/*****************************************************************************/ 2013/*****************************************************************************/
1882 2014
1883void 2015void
1884ev_feed_signal (int signum) 2016ev_feed_signal (int signum) EV_THROW
1885{ 2017{
1886#if EV_MULTIPLICITY 2018#if EV_MULTIPLICITY
1887 EV_P = signals [signum - 1].loop; 2019 EV_P = signals [signum - 1].loop;
1888 2020
1889 if (!EV_A) 2021 if (!EV_A)
… …
1906 2038
1907 ev_feed_signal (signum); 2039 ev_feed_signal (signum);
1908} 2040}
1909 2041
1910void noinline 2042void noinline
1911ev_feed_signal_event (EV_P_ int signum) 2043ev_feed_signal_event (EV_P_ int signum) EV_THROW
1912{ 2044{
1913 WL w; 2045 WL w;
1914 2046
1915 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2047 if (expect_false (signum <= 0 || signum > EV_NSIG))
1916 return; 2048 return;
… …
1924 if (expect_false (signals [signum].loop != EV_A)) 2056 if (expect_false (signals [signum].loop != EV_A))
1925 return; 2057 return;
1926#endif 2058#endif
1927 2059
1928 signals [signum].pending = 0; 2060 signals [signum].pending = 0;
2061 ECB_MEMORY_FENCE_RELEASE;
1929 2062
1930 for (w = signals [signum].head; w; w = w->next) 2063 for (w = signals [signum].head; w; w = w->next)
1931 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2064 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1932} 2065}
1933 2066
… …
2032#if EV_USE_SELECT 2165#if EV_USE_SELECT
2033# include "ev_select.c" 2166# include "ev_select.c"
2034#endif 2167#endif
2035 2168
2036int ecb_cold 2169int ecb_cold
2037ev_version_major (void) 2170ev_version_major (void) EV_THROW
2038{ 2171{
2039 return EV_VERSION_MAJOR; 2172 return EV_VERSION_MAJOR;
2040} 2173}
2041 2174
2042int ecb_cold 2175int ecb_cold
2043ev_version_minor (void) 2176ev_version_minor (void) EV_THROW
2044{ 2177{
2045 return EV_VERSION_MINOR; 2178 return EV_VERSION_MINOR;
2046} 2179}
2047 2180
2048/* return true if we are running with elevated privileges and should ignore env variables */ 2181/* return true if we are running with elevated privileges and should ignore env variables */
… …
2056 || getgid () != getegid (); 2189 || getgid () != getegid ();
2057#endif 2190#endif
2058} 2191}
2059 2192
2060unsigned int ecb_cold 2193unsigned int ecb_cold
2061ev_supported_backends (void) 2194ev_supported_backends (void) EV_THROW
2062{ 2195{
2063 unsigned int flags = 0; 2196 unsigned int flags = 0;
2064 2197
2065 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2198 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2066 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2199 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2070 2203
2071 return flags; 2204 return flags;
2072} 2205}
2073 2206
2074unsigned int ecb_cold 2207unsigned int ecb_cold
2075ev_recommended_backends (void) 2208ev_recommended_backends (void) EV_THROW
2076{ 2209{
2077 unsigned int flags = ev_supported_backends (); 2210 unsigned int flags = ev_supported_backends ();
2078 2211
2079#ifndef __NetBSD__ 2212#ifndef __NetBSD__
2080 /* kqueue is borked on everything but netbsd apparently */ 2213 /* kqueue is borked on everything but netbsd apparently */
… …
2092 2225
2093 return flags; 2226 return flags;
2094} 2227}
2095 2228
2096unsigned int ecb_cold 2229unsigned int ecb_cold
2097ev_embeddable_backends (void) 2230ev_embeddable_backends (void) EV_THROW
2098{ 2231{
2099 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2232 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2100 2233
2101 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2234 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2102 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2235 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2104 2237
2105 return flags; 2238 return flags;
2106} 2239}
2107 2240
2108unsigned int 2241unsigned int
2109ev_backend (EV_P) 2242ev_backend (EV_P) EV_THROW
2110{ 2243{
2111 return backend; 2244 return backend;
2112} 2245}
2113 2246
2114#if EV_FEATURE_API 2247#if EV_FEATURE_API
2115unsigned int 2248unsigned int
2116ev_iteration (EV_P) 2249ev_iteration (EV_P) EV_THROW
2117{ 2250{
2118 return loop_count; 2251 return loop_count;
2119} 2252}
2120 2253
2121unsigned int 2254unsigned int
2122ev_depth (EV_P) 2255ev_depth (EV_P) EV_THROW
2123{ 2256{
2124 return loop_depth; 2257 return loop_depth;
2125} 2258}
2126 2259
2127void 2260void
2128ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2261ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2129{ 2262{
2130 io_blocktime = interval; 2263 io_blocktime = interval;
2131} 2264}
2132 2265
2133void 2266void
2134ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2267ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2135{ 2268{
2136 timeout_blocktime = interval; 2269 timeout_blocktime = interval;
2137} 2270}
2138 2271
2139void 2272void
2140ev_set_userdata (EV_P_ void *data) 2273ev_set_userdata (EV_P_ void *data) EV_THROW
2141{ 2274{
2142 userdata = data; 2275 userdata = data;
2143} 2276}
2144 2277
2145void * 2278void *
2146ev_userdata (EV_P) 2279ev_userdata (EV_P) EV_THROW
2147{ 2280{
2148 return userdata; 2281 return userdata;
2149} 2282}
2150 2283
2151void 2284void
2152ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2285ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2153{ 2286{
2154 invoke_cb = invoke_pending_cb; 2287 invoke_cb = invoke_pending_cb;
2155} 2288}
2156 2289
2157void 2290void
2158ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2291ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2159{ 2292{
2160 release_cb = release; 2293 release_cb = release;
2161 acquire_cb = acquire; 2294 acquire_cb = acquire;
2162} 2295}
2163#endif 2296#endif
2164 2297
2165/* initialise a loop structure, must be zero-initialised */ 2298/* initialise a loop structure, must be zero-initialised */
2166static void noinline ecb_cold 2299static void noinline ecb_cold
2167loop_init (EV_P_ unsigned int flags) 2300loop_init (EV_P_ unsigned int flags) EV_THROW
2168{ 2301{
2169 if (!backend) 2302 if (!backend)
2170 { 2303 {
2171 origflags = flags; 2304 origflags = flags;
2172 2305
… …
2277 EV_INVOKE_PENDING; 2410 EV_INVOKE_PENDING;
2278 } 2411 }
2279#endif 2412#endif
2280 2413
2281#if EV_CHILD_ENABLE 2414#if EV_CHILD_ENABLE
2282 if (ev_is_active (&childev)) 2415 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2283 { 2416 {
2284 ev_ref (EV_A); /* child watcher */ 2417 ev_ref (EV_A); /* child watcher */
2285 ev_signal_stop (EV_A_ &childev); 2418 ev_signal_stop (EV_A_ &childev);
2286 } 2419 }
2287#endif 2420#endif
… …
2425} 2558}
2426 2559
2427#if EV_MULTIPLICITY 2560#if EV_MULTIPLICITY
2428 2561
2429struct ev_loop * ecb_cold 2562struct ev_loop * ecb_cold
2430ev_loop_new (unsigned int flags) 2563ev_loop_new (unsigned int flags) EV_THROW
2431{ 2564{
2432 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2565 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2433 2566
2434 memset (EV_A, 0, sizeof (struct ev_loop)); 2567 memset (EV_A, 0, sizeof (struct ev_loop));
2435 loop_init (EV_A_ flags); 2568 loop_init (EV_A_ flags);
… …
2479} 2612}
2480#endif 2613#endif
2481 2614
2482#if EV_FEATURE_API 2615#if EV_FEATURE_API
2483void ecb_cold 2616void ecb_cold
2484ev_verify (EV_P) 2617ev_verify (EV_P) EV_THROW
2485{ 2618{
2486#if EV_VERIFY 2619#if EV_VERIFY
2487 int i; 2620 int i;
2488 WL w; 2621 WL w, w2;
2489 2622
2490 assert (activecnt >= -1); 2623 assert (activecnt >= -1);
2491 2624
2492 assert (fdchangemax >= fdchangecnt); 2625 assert (fdchangemax >= fdchangecnt);
2493 for (i = 0; i < fdchangecnt; ++i) 2626 for (i = 0; i < fdchangecnt; ++i)
2494 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2627 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2495 2628
2496 assert (anfdmax >= 0); 2629 assert (anfdmax >= 0);
2497 for (i = 0; i < anfdmax; ++i) 2630 for (i = 0; i < anfdmax; ++i)
2631 {
2632 int j = 0;
2633
2498 for (w = anfds [i].head; w; w = w->next) 2634 for (w = w2 = anfds [i].head; w; w = w->next)
2499 { 2635 {
2500 verify_watcher (EV_A_ (W)w); 2636 verify_watcher (EV_A_ (W)w);
2637
2638 if (j++ & 1)
2639 {
2640 assert (("libev: io watcher list contains a loop", w != w2));
2641 w2 = w2->next;
2642 }
2643
2501 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2644 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2502 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2645 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2503 } 2646 }
2647 }
2504 2648
2505 assert (timermax >= timercnt); 2649 assert (timermax >= timercnt);
2506 verify_heap (EV_A_ timers, timercnt); 2650 verify_heap (EV_A_ timers, timercnt);
2507 2651
2508#if EV_PERIODIC_ENABLE 2652#if EV_PERIODIC_ENABLE
… …
2558#if EV_MULTIPLICITY 2702#if EV_MULTIPLICITY
2559struct ev_loop * ecb_cold 2703struct ev_loop * ecb_cold
2560#else 2704#else
2561int 2705int
2562#endif 2706#endif
2563ev_default_loop (unsigned int flags) 2707ev_default_loop (unsigned int flags) EV_THROW
2564{ 2708{
2565 if (!ev_default_loop_ptr) 2709 if (!ev_default_loop_ptr)
2566 { 2710 {
2567#if EV_MULTIPLICITY 2711#if EV_MULTIPLICITY
2568 EV_P = ev_default_loop_ptr = &default_loop_struct; 2712 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2587 2731
2588 return ev_default_loop_ptr; 2732 return ev_default_loop_ptr;
2589} 2733}
2590 2734
2591void 2735void
2592ev_loop_fork (EV_P) 2736ev_loop_fork (EV_P) EV_THROW
2593{ 2737{
2594 postfork = 1; /* must be in line with ev_default_fork */ 2738 postfork = 1; /* must be in line with ev_default_fork */
2595} 2739}
2596 2740
2597/*****************************************************************************/ 2741/*****************************************************************************/
… …
2601{ 2745{
2602 EV_CB_INVOKE ((W)w, revents); 2746 EV_CB_INVOKE ((W)w, revents);
2603} 2747}
2604 2748
2605unsigned int 2749unsigned int
2606ev_pending_count (EV_P) 2750ev_pending_count (EV_P) EV_THROW
2607{ 2751{
2608 int pri; 2752 int pri;
2609 unsigned int count = 0; 2753 unsigned int count = 0;
2610 2754
2611 for (pri = NUMPRI; pri--; ) 2755 for (pri = NUMPRI; pri--; )
… …
2615} 2759}
2616 2760
2617void noinline 2761void noinline
2618ev_invoke_pending (EV_P) 2762ev_invoke_pending (EV_P)
2619{ 2763{
2620 int pri; 2764 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2621
2622 for (pri = NUMPRI; pri--; )
2623 while (pendingcnt [pri]) 2765 while (pendingcnt [pendingpri])
2624 { 2766 {
2625 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2767 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2626 2768
2627 p->w->pending = 0; 2769 p->w->pending = 0;
2628 EV_CB_INVOKE (p->w, p->events); 2770 EV_CB_INVOKE (p->w, p->events);
2629 EV_FREQUENT_CHECK; 2771 EV_FREQUENT_CHECK;
2630 } 2772 }
… …
2725{ 2867{
2726 EV_FREQUENT_CHECK; 2868 EV_FREQUENT_CHECK;
2727 2869
2728 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2870 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2729 { 2871 {
2730 int feed_count = 0;
2731
2732 do 2872 do
2733 { 2873 {
2734 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2874 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2735 2875
2736 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 2876 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
… …
2870 3010
2871 mn_now = ev_rt_now; 3011 mn_now = ev_rt_now;
2872 } 3012 }
2873} 3013}
2874 3014
2875void 3015int
2876ev_run (EV_P_ int flags) 3016ev_run (EV_P_ int flags)
2877{ 3017{
2878#if EV_FEATURE_API 3018#if EV_FEATURE_API
2879 ++loop_depth; 3019 ++loop_depth;
2880#endif 3020#endif
… …
2993#endif 3133#endif
2994 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3134 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2995 backend_poll (EV_A_ waittime); 3135 backend_poll (EV_A_ waittime);
2996 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3136 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2997 3137
2998 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */ 3138 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2999 3139
3000 if (pipe_write_skipped) 3140 if (pipe_write_skipped)
3001 { 3141 {
3002 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3142 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3003 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3143 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
… …
3037 loop_done = EVBREAK_CANCEL; 3177 loop_done = EVBREAK_CANCEL;
3038 3178
3039#if EV_FEATURE_API 3179#if EV_FEATURE_API
3040 --loop_depth; 3180 --loop_depth;
3041#endif 3181#endif
3182
3183 return activecnt;
3042} 3184}
3043 3185
3044void 3186void
3045ev_break (EV_P_ int how) 3187ev_break (EV_P_ int how) EV_THROW
3046{ 3188{
3047 loop_done = how; 3189 loop_done = how;
3048} 3190}
3049 3191
3050void 3192void
3051ev_ref (EV_P) 3193ev_ref (EV_P) EV_THROW
3052{ 3194{
3053 ++activecnt; 3195 ++activecnt;
3054} 3196}
3055 3197
3056void 3198void
3057ev_unref (EV_P) 3199ev_unref (EV_P) EV_THROW
3058{ 3200{
3059 --activecnt; 3201 --activecnt;
3060} 3202}
3061 3203
3062void 3204void
3063ev_now_update (EV_P) 3205ev_now_update (EV_P) EV_THROW
3064{ 3206{
3065 time_update (EV_A_ 1e100); 3207 time_update (EV_A_ 1e100);
3066} 3208}
3067 3209
3068void 3210void
3069ev_suspend (EV_P) 3211ev_suspend (EV_P) EV_THROW
3070{ 3212{
3071 ev_now_update (EV_A); 3213 ev_now_update (EV_A);
3072} 3214}
3073 3215
3074void 3216void
3075ev_resume (EV_P) 3217ev_resume (EV_P) EV_THROW
3076{ 3218{
3077 ev_tstamp mn_prev = mn_now; 3219 ev_tstamp mn_prev = mn_now;
3078 3220
3079 ev_now_update (EV_A); 3221 ev_now_update (EV_A);
3080 timers_reschedule (EV_A_ mn_now - mn_prev); 3222 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3119 w->pending = 0; 3261 w->pending = 0;
3120 } 3262 }
3121} 3263}
3122 3264
3123int 3265int
3124ev_clear_pending (EV_P_ void *w) 3266ev_clear_pending (EV_P_ void *w) EV_THROW
3125{ 3267{
3126 W w_ = (W)w; 3268 W w_ = (W)w;
3127 int pending = w_->pending; 3269 int pending = w_->pending;
3128 3270
3129 if (expect_true (pending)) 3271 if (expect_true (pending))
… …
3162} 3304}
3163 3305
3164/*****************************************************************************/ 3306/*****************************************************************************/
3165 3307
3166void noinline 3308void noinline
3167ev_io_start (EV_P_ ev_io *w) 3309ev_io_start (EV_P_ ev_io *w) EV_THROW
3168{ 3310{
3169 int fd = w->fd; 3311 int fd = w->fd;
3170 3312
3171 if (expect_false (ev_is_active (w))) 3313 if (expect_false (ev_is_active (w)))
3172 return; 3314 return;
… …
3178 3320
3179 ev_start (EV_A_ (W)w, 1); 3321 ev_start (EV_A_ (W)w, 1);
3180 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3322 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3181 wlist_add (&anfds[fd].head, (WL)w); 3323 wlist_add (&anfds[fd].head, (WL)w);
3182 3324
3325 /* common bug, apparently */
3326 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3327
3183 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3328 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3184 w->events &= ~EV__IOFDSET; 3329 w->events &= ~EV__IOFDSET;
3185 3330
3186 EV_FREQUENT_CHECK; 3331 EV_FREQUENT_CHECK;
3187} 3332}
3188 3333
3189void noinline 3334void noinline
3190ev_io_stop (EV_P_ ev_io *w) 3335ev_io_stop (EV_P_ ev_io *w) EV_THROW
3191{ 3336{
3192 clear_pending (EV_A_ (W)w); 3337 clear_pending (EV_A_ (W)w);
3193 if (expect_false (!ev_is_active (w))) 3338 if (expect_false (!ev_is_active (w)))
3194 return; 3339 return;
3195 3340
… …
3204 3349
3205 EV_FREQUENT_CHECK; 3350 EV_FREQUENT_CHECK;
3206} 3351}
3207 3352
3208void noinline 3353void noinline
3209ev_timer_start (EV_P_ ev_timer *w) 3354ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3210{ 3355{
3211 if (expect_false (ev_is_active (w))) 3356 if (expect_false (ev_is_active (w)))
3212 return; 3357 return;
3213 3358
3214 ev_at (w) += mn_now; 3359 ev_at (w) += mn_now;
… …
3228 3373
3229 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3374 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3230} 3375}
3231 3376
3232void noinline 3377void noinline
3233ev_timer_stop (EV_P_ ev_timer *w) 3378ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3234{ 3379{
3235 clear_pending (EV_A_ (W)w); 3380 clear_pending (EV_A_ (W)w);
3236 if (expect_false (!ev_is_active (w))) 3381 if (expect_false (!ev_is_active (w)))
3237 return; 3382 return;
3238 3383
… …
3258 3403
3259 EV_FREQUENT_CHECK; 3404 EV_FREQUENT_CHECK;
3260} 3405}
3261 3406
3262void noinline 3407void noinline
3263ev_timer_again (EV_P_ ev_timer *w) 3408ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3264{ 3409{
3265 EV_FREQUENT_CHECK; 3410 EV_FREQUENT_CHECK;
3411
3412 clear_pending (EV_A_ (W)w);
3266 3413
3267 if (ev_is_active (w)) 3414 if (ev_is_active (w))
3268 { 3415 {
3269 if (w->repeat) 3416 if (w->repeat)
3270 { 3417 {
… …
3283 3430
3284 EV_FREQUENT_CHECK; 3431 EV_FREQUENT_CHECK;
3285} 3432}
3286 3433
3287ev_tstamp 3434ev_tstamp
3288ev_timer_remaining (EV_P_ ev_timer *w) 3435ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3289{ 3436{
3290 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3437 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3291} 3438}
3292 3439
3293#if EV_PERIODIC_ENABLE 3440#if EV_PERIODIC_ENABLE
3294void noinline 3441void noinline
3295ev_periodic_start (EV_P_ ev_periodic *w) 3442ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3296{ 3443{
3297 if (expect_false (ev_is_active (w))) 3444 if (expect_false (ev_is_active (w)))
3298 return; 3445 return;
3299 3446
3300 if (w->reschedule_cb) 3447 if (w->reschedule_cb)
… …
3320 3467
3321 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3468 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3322} 3469}
3323 3470
3324void noinline 3471void noinline
3325ev_periodic_stop (EV_P_ ev_periodic *w) 3472ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3326{ 3473{
3327 clear_pending (EV_A_ (W)w); 3474 clear_pending (EV_A_ (W)w);
3328 if (expect_false (!ev_is_active (w))) 3475 if (expect_false (!ev_is_active (w)))
3329 return; 3476 return;
3330 3477
… …
3348 3495
3349 EV_FREQUENT_CHECK; 3496 EV_FREQUENT_CHECK;
3350} 3497}
3351 3498
3352void noinline 3499void noinline
3353ev_periodic_again (EV_P_ ev_periodic *w) 3500ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3354{ 3501{
3355 /* TODO: use adjustheap and recalculation */ 3502 /* TODO: use adjustheap and recalculation */
3356 ev_periodic_stop (EV_A_ w); 3503 ev_periodic_stop (EV_A_ w);
3357 ev_periodic_start (EV_A_ w); 3504 ev_periodic_start (EV_A_ w);
3358} 3505}
… …
3363#endif 3510#endif
3364 3511
3365#if EV_SIGNAL_ENABLE 3512#if EV_SIGNAL_ENABLE
3366 3513
3367void noinline 3514void noinline
3368ev_signal_start (EV_P_ ev_signal *w) 3515ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3369{ 3516{
3370 if (expect_false (ev_is_active (w))) 3517 if (expect_false (ev_is_active (w)))
3371 return; 3518 return;
3372 3519
3373 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3520 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3444 3591
3445 EV_FREQUENT_CHECK; 3592 EV_FREQUENT_CHECK;
3446} 3593}
3447 3594
3448void noinline 3595void noinline
3449ev_signal_stop (EV_P_ ev_signal *w) 3596ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3450{ 3597{
3451 clear_pending (EV_A_ (W)w); 3598 clear_pending (EV_A_ (W)w);
3452 if (expect_false (!ev_is_active (w))) 3599 if (expect_false (!ev_is_active (w)))
3453 return; 3600 return;
3454 3601
… …
3485#endif 3632#endif
3486 3633
3487#if EV_CHILD_ENABLE 3634#if EV_CHILD_ENABLE
3488 3635
3489void 3636void
3490ev_child_start (EV_P_ ev_child *w) 3637ev_child_start (EV_P_ ev_child *w) EV_THROW
3491{ 3638{
3492#if EV_MULTIPLICITY 3639#if EV_MULTIPLICITY
3493 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3640 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3494#endif 3641#endif
3495 if (expect_false (ev_is_active (w))) 3642 if (expect_false (ev_is_active (w)))
… …
3502 3649
3503 EV_FREQUENT_CHECK; 3650 EV_FREQUENT_CHECK;
3504} 3651}
3505 3652
3506void 3653void
3507ev_child_stop (EV_P_ ev_child *w) 3654ev_child_stop (EV_P_ ev_child *w) EV_THROW
3508{ 3655{
3509 clear_pending (EV_A_ (W)w); 3656 clear_pending (EV_A_ (W)w);
3510 if (expect_false (!ev_is_active (w))) 3657 if (expect_false (!ev_is_active (w)))
3511 return; 3658 return;
3512 3659
… …
3679} 3826}
3680 3827
3681inline_size int 3828inline_size int
3682infy_newfd (void) 3829infy_newfd (void)
3683{ 3830{
3684#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3831#if defined IN_CLOEXEC && defined IN_NONBLOCK
3685 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3832 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3686 if (fd >= 0) 3833 if (fd >= 0)
3687 return fd; 3834 return fd;
3688#endif 3835#endif
3689 return inotify_init (); 3836 return inotify_init ();
… …
3764#else 3911#else
3765# define EV_LSTAT(p,b) lstat (p, b) 3912# define EV_LSTAT(p,b) lstat (p, b)
3766#endif 3913#endif
3767 3914
3768void 3915void
3769ev_stat_stat (EV_P_ ev_stat *w) 3916ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3770{ 3917{
3771 if (lstat (w->path, &w->attr) < 0) 3918 if (lstat (w->path, &w->attr) < 0)
3772 w->attr.st_nlink = 0; 3919 w->attr.st_nlink = 0;
3773 else if (!w->attr.st_nlink) 3920 else if (!w->attr.st_nlink)
3774 w->attr.st_nlink = 1; 3921 w->attr.st_nlink = 1;
… …
3813 ev_feed_event (EV_A_ w, EV_STAT); 3960 ev_feed_event (EV_A_ w, EV_STAT);
3814 } 3961 }
3815} 3962}
3816 3963
3817void 3964void
3818ev_stat_start (EV_P_ ev_stat *w) 3965ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3819{ 3966{
3820 if (expect_false (ev_is_active (w))) 3967 if (expect_false (ev_is_active (w)))
3821 return; 3968 return;
3822 3969
3823 ev_stat_stat (EV_A_ w); 3970 ev_stat_stat (EV_A_ w);
… …
3844 3991
3845 EV_FREQUENT_CHECK; 3992 EV_FREQUENT_CHECK;
3846} 3993}
3847 3994
3848void 3995void
3849ev_stat_stop (EV_P_ ev_stat *w) 3996ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3850{ 3997{
3851 clear_pending (EV_A_ (W)w); 3998 clear_pending (EV_A_ (W)w);
3852 if (expect_false (!ev_is_active (w))) 3999 if (expect_false (!ev_is_active (w)))
3853 return; 4000 return;
3854 4001
… …
3870} 4017}
3871#endif 4018#endif
3872 4019
3873#if EV_IDLE_ENABLE 4020#if EV_IDLE_ENABLE
3874void 4021void
3875ev_idle_start (EV_P_ ev_idle *w) 4022ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3876{ 4023{
3877 if (expect_false (ev_is_active (w))) 4024 if (expect_false (ev_is_active (w)))
3878 return; 4025 return;
3879 4026
3880 pri_adjust (EV_A_ (W)w); 4027 pri_adjust (EV_A_ (W)w);
… …
3893 4040
3894 EV_FREQUENT_CHECK; 4041 EV_FREQUENT_CHECK;
3895} 4042}
3896 4043
3897void 4044void
3898ev_idle_stop (EV_P_ ev_idle *w) 4045ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3899{ 4046{
3900 clear_pending (EV_A_ (W)w); 4047 clear_pending (EV_A_ (W)w);
3901 if (expect_false (!ev_is_active (w))) 4048 if (expect_false (!ev_is_active (w)))
3902 return; 4049 return;
3903 4050
… …
3917} 4064}
3918#endif 4065#endif
3919 4066
3920#if EV_PREPARE_ENABLE 4067#if EV_PREPARE_ENABLE
3921void 4068void
3922ev_prepare_start (EV_P_ ev_prepare *w) 4069ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3923{ 4070{
3924 if (expect_false (ev_is_active (w))) 4071 if (expect_false (ev_is_active (w)))
3925 return; 4072 return;
3926 4073
3927 EV_FREQUENT_CHECK; 4074 EV_FREQUENT_CHECK;
… …
3932 4079
3933 EV_FREQUENT_CHECK; 4080 EV_FREQUENT_CHECK;
3934} 4081}
3935 4082
3936void 4083void
3937ev_prepare_stop (EV_P_ ev_prepare *w) 4084ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3938{ 4085{
3939 clear_pending (EV_A_ (W)w); 4086 clear_pending (EV_A_ (W)w);
3940 if (expect_false (!ev_is_active (w))) 4087 if (expect_false (!ev_is_active (w)))
3941 return; 4088 return;
3942 4089
… …
3955} 4102}
3956#endif 4103#endif
3957 4104
3958#if EV_CHECK_ENABLE 4105#if EV_CHECK_ENABLE
3959void 4106void
3960ev_check_start (EV_P_ ev_check *w) 4107ev_check_start (EV_P_ ev_check *w) EV_THROW
3961{ 4108{
3962 if (expect_false (ev_is_active (w))) 4109 if (expect_false (ev_is_active (w)))
3963 return; 4110 return;
3964 4111
3965 EV_FREQUENT_CHECK; 4112 EV_FREQUENT_CHECK;
… …
3970 4117
3971 EV_FREQUENT_CHECK; 4118 EV_FREQUENT_CHECK;
3972} 4119}
3973 4120
3974void 4121void
3975ev_check_stop (EV_P_ ev_check *w) 4122ev_check_stop (EV_P_ ev_check *w) EV_THROW
3976{ 4123{
3977 clear_pending (EV_A_ (W)w); 4124 clear_pending (EV_A_ (W)w);
3978 if (expect_false (!ev_is_active (w))) 4125 if (expect_false (!ev_is_active (w)))
3979 return; 4126 return;
3980 4127
… …
3993} 4140}
3994#endif 4141#endif
3995 4142
3996#if EV_EMBED_ENABLE 4143#if EV_EMBED_ENABLE
3997void noinline 4144void noinline
3998ev_embed_sweep (EV_P_ ev_embed *w) 4145ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3999{ 4146{
4000 ev_run (w->other, EVRUN_NOWAIT); 4147 ev_run (w->other, EVRUN_NOWAIT);
4001} 4148}
4002 4149
4003static void 4150static void
… …
4051 ev_idle_stop (EV_A_ idle); 4198 ev_idle_stop (EV_A_ idle);
4052} 4199}
4053#endif 4200#endif
4054 4201
4055void 4202void
4056ev_embed_start (EV_P_ ev_embed *w) 4203ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4057{ 4204{
4058 if (expect_false (ev_is_active (w))) 4205 if (expect_false (ev_is_active (w)))
4059 return; 4206 return;
4060 4207
4061 { 4208 {
… …
4082 4229
4083 EV_FREQUENT_CHECK; 4230 EV_FREQUENT_CHECK;
4084} 4231}
4085 4232
4086void 4233void
4087ev_embed_stop (EV_P_ ev_embed *w) 4234ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4088{ 4235{
4089 clear_pending (EV_A_ (W)w); 4236 clear_pending (EV_A_ (W)w);
4090 if (expect_false (!ev_is_active (w))) 4237 if (expect_false (!ev_is_active (w)))
4091 return; 4238 return;
4092 4239
… …
4102} 4249}
4103#endif 4250#endif
4104 4251
4105#if EV_FORK_ENABLE 4252#if EV_FORK_ENABLE
4106void 4253void
4107ev_fork_start (EV_P_ ev_fork *w) 4254ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4108{ 4255{
4109 if (expect_false (ev_is_active (w))) 4256 if (expect_false (ev_is_active (w)))
4110 return; 4257 return;
4111 4258
4112 EV_FREQUENT_CHECK; 4259 EV_FREQUENT_CHECK;
… …
4117 4264
4118 EV_FREQUENT_CHECK; 4265 EV_FREQUENT_CHECK;
4119} 4266}
4120 4267
4121void 4268void
4122ev_fork_stop (EV_P_ ev_fork *w) 4269ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4123{ 4270{
4124 clear_pending (EV_A_ (W)w); 4271 clear_pending (EV_A_ (W)w);
4125 if (expect_false (!ev_is_active (w))) 4272 if (expect_false (!ev_is_active (w)))
4126 return; 4273 return;
4127 4274
… …
4140} 4287}
4141#endif 4288#endif
4142 4289
4143#if EV_CLEANUP_ENABLE 4290#if EV_CLEANUP_ENABLE
4144void 4291void
4145ev_cleanup_start (EV_P_ ev_cleanup *w) 4292ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4146{ 4293{
4147 if (expect_false (ev_is_active (w))) 4294 if (expect_false (ev_is_active (w)))
4148 return; 4295 return;
4149 4296
4150 EV_FREQUENT_CHECK; 4297 EV_FREQUENT_CHECK;
… …
4157 ev_unref (EV_A); 4304 ev_unref (EV_A);
4158 EV_FREQUENT_CHECK; 4305 EV_FREQUENT_CHECK;
4159} 4306}
4160 4307
4161void 4308void
4162ev_cleanup_stop (EV_P_ ev_cleanup *w) 4309ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4163{ 4310{
4164 clear_pending (EV_A_ (W)w); 4311 clear_pending (EV_A_ (W)w);
4165 if (expect_false (!ev_is_active (w))) 4312 if (expect_false (!ev_is_active (w)))
4166 return; 4313 return;
4167 4314
… …
4181} 4328}
4182#endif 4329#endif
4183 4330
4184#if EV_ASYNC_ENABLE 4331#if EV_ASYNC_ENABLE
4185void 4332void
4186ev_async_start (EV_P_ ev_async *w) 4333ev_async_start (EV_P_ ev_async *w) EV_THROW
4187{ 4334{
4188 if (expect_false (ev_is_active (w))) 4335 if (expect_false (ev_is_active (w)))
4189 return; 4336 return;
4190 4337
4191 w->sent = 0; 4338 w->sent = 0;
… …
4200 4347
4201 EV_FREQUENT_CHECK; 4348 EV_FREQUENT_CHECK;
4202} 4349}
4203 4350
4204void 4351void
4205ev_async_stop (EV_P_ ev_async *w) 4352ev_async_stop (EV_P_ ev_async *w) EV_THROW
4206{ 4353{
4207 clear_pending (EV_A_ (W)w); 4354 clear_pending (EV_A_ (W)w);
4208 if (expect_false (!ev_is_active (w))) 4355 if (expect_false (!ev_is_active (w)))
4209 return; 4356 return;
4210 4357
… …
4221 4368
4222 EV_FREQUENT_CHECK; 4369 EV_FREQUENT_CHECK;
4223} 4370}
4224 4371
4225void 4372void
4226ev_async_send (EV_P_ ev_async *w) 4373ev_async_send (EV_P_ ev_async *w) EV_THROW
4227{ 4374{
4228 w->sent = 1; 4375 w->sent = 1;
4229 evpipe_write (EV_A_ &async_pending); 4376 evpipe_write (EV_A_ &async_pending);
4230} 4377}
4231#endif 4378#endif
… …
4268 4415
4269 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4416 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4270} 4417}
4271 4418
4272void 4419void
4273ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4420ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4274{ 4421{
4275 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4422 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4276 4423
4277 if (expect_false (!once)) 4424 if (expect_false (!once))
4278 { 4425 {
… …
4300 4447
4301/*****************************************************************************/ 4448/*****************************************************************************/
4302 4449
4303#if EV_WALK_ENABLE 4450#if EV_WALK_ENABLE
4304void ecb_cold 4451void ecb_cold
4305ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4452ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4306{ 4453{
4307 int i, j; 4454 int i, j;
4308 ev_watcher_list *wl, *wn; 4455 ev_watcher_list *wl, *wn;
4309 4456
4310 if (types & (EV_IO | EV_EMBED)) 4457 if (types & (EV_IO | EV_EMBED))
… …
4416 4563
4417#if EV_MULTIPLICITY 4564#if EV_MULTIPLICITY
4418 #include "ev_wrap.h" 4565 #include "ev_wrap.h"
4419#endif 4566#endif
4420 4567
4421EV_CPP(})
4422

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines