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Comparing libev/ev.c (file contents):
Revision 1.402 by sf-exg, Tue Dec 20 10:34:10 2011 UTC vs.
Revision 1.444 by root, Fri Jun 1 22:01:13 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
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
198
188#ifndef _WIN32 199#ifndef _WIN32
189# include <sys/time.h> 200# include <sys/time.h>
190# include <sys/wait.h> 201# include <sys/wait.h>
191# include <unistd.h> 202# include <unistd.h>
192#else 203#else
193# include <io.h> 204# include <io.h>
194# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <winsock2.h>
195# include <windows.h> 207# include <windows.h>
196# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
197# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
198# endif 210# endif
199# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
… …
208#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
209 221
210/* 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 */
211 223
212/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
213#if defined (EV_NSIG) 225#if defined EV_NSIG
214/* use what's provided */ 226/* use what's provided */
215#elif defined (NSIG) 227#elif defined NSIG
216# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
217#elif defined(_NSIG) 229#elif defined _NSIG
218# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
219#elif defined (SIGMAX) 231#elif defined SIGMAX
220# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
221#elif defined (SIG_MAX) 233#elif defined SIG_MAX
222# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
223#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
224# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
225#elif defined (MAXSIG) 237#elif defined MAXSIG
226# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
227#elif defined (MAX_SIG) 239#elif defined MAX_SIG
228# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
229#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
230# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
231#elif defined (_sys_nsig) 243#elif defined _sys_nsig
232# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
233#else 245#else
234# error "unable to find value for NSIG, please report" 246# error "unable to find value for NSIG, please report"
235/* to make it compile regardless, just remove the above line, */ 247/* to make it compile regardless, just remove the above line, */
236/* but consider reporting it, too! :) */ 248/* but consider reporting it, too! :) */
… …
248# define EV_USE_CLOCK_SYSCALL 0 260# define EV_USE_CLOCK_SYSCALL 0
249# endif 261# endif
250#endif 262#endif
251 263
252#ifndef EV_USE_MONOTONIC 264#ifndef EV_USE_MONOTONIC
253# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 265# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
254# define EV_USE_MONOTONIC EV_FEATURE_OS 266# define EV_USE_MONOTONIC EV_FEATURE_OS
255# else 267# else
256# define EV_USE_MONOTONIC 0 268# define EV_USE_MONOTONIC 0
257# endif 269# endif
258#endif 270#endif
… …
348#endif 360#endif
349 361
350/* 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, */
351/* which makes programs even slower. might work on other unices, too. */ 363/* which makes programs even slower. might work on other unices, too. */
352#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
353# include <syscall.h> 365# include <sys/syscall.h>
354# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
355# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
357# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
358# else 370# else
… …
384# define EV_USE_INOTIFY 0 396# define EV_USE_INOTIFY 0
385#endif 397#endif
386 398
387#if !EV_USE_NANOSLEEP 399#if !EV_USE_NANOSLEEP
388/* 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 */
389# if !defined(_WIN32) && !defined(__hpux) 401# if !defined _WIN32 && !defined __hpux
390# include <sys/select.h> 402# include <sys/select.h>
391# endif 403# endif
392#endif 404#endif
393 405
394#if EV_USE_INOTIFY 406#if EV_USE_INOTIFY
… …
397/* 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 */
398# ifndef IN_DONT_FOLLOW 410# ifndef IN_DONT_FOLLOW
399# undef EV_USE_INOTIFY 411# undef EV_USE_INOTIFY
400# define EV_USE_INOTIFY 0 412# define EV_USE_INOTIFY 0
401# endif 413# endif
402#endif
403
404#if EV_SELECT_IS_WINSOCKET
405# include <winsock.h>
406#endif 414#endif
407 415
408#if EV_USE_EVENTFD 416#if EV_USE_EVENTFD
409/* 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 */
410# include <stdint.h> 418# include <stdint.h>
… …
467/* 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 */
468/* ECB.H BEGIN */ 476/* ECB.H BEGIN */
469/* 477/*
470 * libecb - http://software.schmorp.de/pkg/libecb 478 * libecb - http://software.schmorp.de/pkg/libecb
471 * 479 *
472 * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de> 480 * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
473 * Copyright (©) 2011 Emanuele Giaquinta 481 * Copyright (©) 2011 Emanuele Giaquinta
474 * All rights reserved. 482 * All rights reserved.
475 * 483 *
476 * 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-
477 * tion, are permitted provided that the following conditions are met: 485 * tion, are permitted provided that the following conditions are met:
… …
496 */ 504 */
497 505
498#ifndef ECB_H 506#ifndef ECB_H
499#define ECB_H 507#define ECB_H
500 508
509/* 16 bits major, 16 bits minor */
510#define ECB_VERSION 0x00010001
511
501#ifdef _WIN32 512#ifdef _WIN32
502 typedef signed char int8_t; 513 typedef signed char int8_t;
503 typedef unsigned char uint8_t; 514 typedef unsigned char uint8_t;
504 typedef signed short int16_t; 515 typedef signed short int16_t;
505 typedef unsigned short uint16_t; 516 typedef unsigned short uint16_t;
… …
510 typedef unsigned long long uint64_t; 521 typedef unsigned long long uint64_t;
511 #else /* _MSC_VER || __BORLANDC__ */ 522 #else /* _MSC_VER || __BORLANDC__ */
512 typedef signed __int64 int64_t; 523 typedef signed __int64 int64_t;
513 typedef unsigned __int64 uint64_t; 524 typedef unsigned __int64 uint64_t;
514 #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;
515#else 536#else
516 #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
517#endif 543#endif
518 544
519/* many compilers define _GNUC_ to some versions but then only implement 545/* many compilers define _GNUC_ to some versions but then only implement
520 * what their idiot authors think are the "more important" extensions, 546 * what their idiot authors think are the "more important" extensions,
521 * causing enormous grief in return for some better fake benchmark numbers. 547 * causing enormous grief in return for some better fake benchmark numbers.
522 * or so. 548 * or so.
523 * 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
524 * 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.
525 */ 551 */
526#ifndef ECB_GCC_VERSION 552#ifndef ECB_GCC_VERSION
527 #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__
528 #define ECB_GCC_VERSION(major,minor) 0 554 #define ECB_GCC_VERSION(major,minor) 0
529 #else 555 #else
530 #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)))
531 #endif 557 #endif
532#endif 558#endif
533 559
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_CPP11 (__cplusplus >= 201103L)
565
534/*****************************************************************************/ 566/*****************************************************************************/
535 567
536/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ 568/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
537/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ 569/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538 570
539#if ECB_NO_THREADS || ECB_NO_SMP 571#if ECB_NO_THREADS
572 #define ECB_NO_SMP 1
573#endif
574
575#if ECB_NO_SMP
540 #define ECB_MEMORY_FENCE do { } while (0) 576 #define ECB_MEMORY_FENCE do { } while (0)
541#endif 577#endif
542 578
543#ifndef ECB_MEMORY_FENCE 579#ifndef ECB_MEMORY_FENCE
544 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) 580 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545 #if __i386__ 581 #if __i386 || __i386__
546 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 582 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
547 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ 583 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
548 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ 584 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
549 #elif __amd64 585 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
550 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 586 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory") 587 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */ 588 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 589 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 590 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555 #elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \ 591 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) 592 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
557 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 593 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
558 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ 594 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 595 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 596 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
597 #elif __sparc || __sparc__
598 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
599 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
600 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
601 #elif defined __s390__ || defined __s390x__
602 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
603 #elif defined __mips__
604 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
605 #elif defined __alpha__
606 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
607 #elif defined __hppa__
608 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
609 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
610 #elif defined __ia64__
611 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
561 #endif 612 #endif
562 #endif 613 #endif
563#endif 614#endif
564 615
565#ifndef ECB_MEMORY_FENCE 616#ifndef ECB_MEMORY_FENCE
617 #if ECB_GCC_VERSION(4,7)
618 /* see comment below (stdatomic.h) about the C11 memory model. */
619 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
620 #elif defined __clang && __has_feature (cxx_atomic)
621 /* see comment below (stdatomic.h) about the C11 memory model. */
622 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
566 #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) 623 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
567 #define ECB_MEMORY_FENCE __sync_synchronize () 624 #define ECB_MEMORY_FENCE __sync_synchronize ()
568 /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
569 /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
570 #elif _MSC_VER >= 1400 /* VC++ 2005 */ 625 #elif _MSC_VER >= 1400 /* VC++ 2005 */
571 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) 626 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
572 #define ECB_MEMORY_FENCE _ReadWriteBarrier () 627 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
573 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */ 628 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
574 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier () 629 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
575 #elif defined(_WIN32) 630 #elif defined _WIN32
576 #include <WinNT.h> 631 #include <WinNT.h>
577 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */ 632 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
633 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
634 #include <mbarrier.h>
635 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
636 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
637 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
638 #elif __xlC__
639 #define ECB_MEMORY_FENCE __sync ()
640 #endif
641#endif
642
643#ifndef ECB_MEMORY_FENCE
644 #if ECB_C11 && !defined __STDC_NO_ATOMICS__
645 /* we assume that these memory fences work on all variables/all memory accesses, */
646 /* not just C11 atomics and atomic accesses */
647 #include <stdatomic.h>
648 /* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
649 /* any fence other than seq_cst, which isn't very efficient for us. */
650 /* Why that is, we don't know - either the C11 memory model is quite useless */
651 /* for most usages, or gcc and clang have a bug */
652 /* I *currently* lean towards the latter, and inefficiently implement */
653 /* all three of ecb's fences as a seq_cst fence */
654 #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
578 #endif 655 #endif
579#endif 656#endif
580 657
581#ifndef ECB_MEMORY_FENCE 658#ifndef ECB_MEMORY_FENCE
582 #if !ECB_AVOID_PTHREADS 659 #if !ECB_AVOID_PTHREADS
… …
594 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER; 671 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
595 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0) 672 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
596 #endif 673 #endif
597#endif 674#endif
598 675
599#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE) 676#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
600 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE 677 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
601#endif 678#endif
602 679
603#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE) 680#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
604 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 681 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
605#endif 682#endif
606 683
607/*****************************************************************************/ 684/*****************************************************************************/
608
609#define ECB_C99 (__STDC_VERSION__ >= 199901L)
610 685
611#if __cplusplus 686#if __cplusplus
612 #define ecb_inline static inline 687 #define ecb_inline static inline
613#elif ECB_GCC_VERSION(2,5) 688#elif ECB_GCC_VERSION(2,5)
614 #define ecb_inline static __inline__ 689 #define ecb_inline static __inline__
… …
653#elif ECB_GCC_VERSION(3,0) 728#elif ECB_GCC_VERSION(3,0)
654 #define ecb_decltype(x) __typeof(x) 729 #define ecb_decltype(x) __typeof(x)
655#endif 730#endif
656 731
657#define ecb_noinline ecb_attribute ((__noinline__)) 732#define ecb_noinline ecb_attribute ((__noinline__))
658#define ecb_noreturn ecb_attribute ((__noreturn__))
659#define ecb_unused ecb_attribute ((__unused__)) 733#define ecb_unused ecb_attribute ((__unused__))
660#define ecb_const ecb_attribute ((__const__)) 734#define ecb_const ecb_attribute ((__const__))
661#define ecb_pure ecb_attribute ((__pure__)) 735#define ecb_pure ecb_attribute ((__pure__))
736
737#if ECB_C11
738 #define ecb_noreturn _Noreturn
739#else
740 #define ecb_noreturn ecb_attribute ((__noreturn__))
741#endif
662 742
663#if ECB_GCC_VERSION(4,3) 743#if ECB_GCC_VERSION(4,3)
664 #define ecb_artificial ecb_attribute ((__artificial__)) 744 #define ecb_artificial ecb_attribute ((__artificial__))
665 #define ecb_hot ecb_attribute ((__hot__)) 745 #define ecb_hot ecb_attribute ((__hot__))
666 #define ecb_cold ecb_attribute ((__cold__)) 746 #define ecb_cold ecb_attribute ((__cold__))
… …
757 837
758 return r + ecb_ld32 (x); 838 return r + ecb_ld32 (x);
759 } 839 }
760#endif 840#endif
761 841
842ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
843ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
844ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
845ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
846
847ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
848ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
849{
850 return ( (x * 0x0802U & 0x22110U)
851 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
852}
853
854ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
855ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
856{
857 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
858 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
859 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
860 x = ( x >> 8 ) | ( x << 8);
861
862 return x;
863}
864
865ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
866ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
867{
868 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
869 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
870 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
871 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
872 x = ( x >> 16 ) | ( x << 16);
873
874 return x;
875}
876
762/* popcount64 is only available on 64 bit cpus as gcc builtin */ 877/* popcount64 is only available on 64 bit cpus as gcc builtin */
763/* so for this version we are lazy */ 878/* so for this version we are lazy */
764ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; 879ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
765ecb_function_ int 880ecb_function_ int
766ecb_popcount64 (uint64_t x) 881ecb_popcount64 (uint64_t x)
… …
815 930
816#if ECB_GCC_VERSION(4,5) 931#if ECB_GCC_VERSION(4,5)
817 #define ecb_unreachable() __builtin_unreachable () 932 #define ecb_unreachable() __builtin_unreachable ()
818#else 933#else
819 /* this seems to work fine, but gcc always emits a warning for it :/ */ 934 /* this seems to work fine, but gcc always emits a warning for it :/ */
820 ecb_function_ void ecb_unreachable (void) ecb_noreturn; 935 ecb_inline void ecb_unreachable (void) ecb_noreturn;
821 ecb_function_ void ecb_unreachable (void) { } 936 ecb_inline void ecb_unreachable (void) { }
822#endif 937#endif
823 938
824/* try to tell the compiler that some condition is definitely true */ 939/* try to tell the compiler that some condition is definitely true */
825#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0) 940#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
826 941
827ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const; 942ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
828ecb_function_ unsigned char 943ecb_inline unsigned char
829ecb_byteorder_helper (void) 944ecb_byteorder_helper (void)
830{ 945{
831 const uint32_t u = 0x11223344; 946 const uint32_t u = 0x11223344;
832 return *(unsigned char *)&u; 947 return *(unsigned char *)&u;
833} 948}
834 949
835ecb_function_ ecb_bool ecb_big_endian (void) ecb_const; 950ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
836ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } 951ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
837ecb_function_ ecb_bool ecb_little_endian (void) ecb_const; 952ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
838ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } 953ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
839 954
840#if ECB_GCC_VERSION(3,0) || ECB_C99 955#if ECB_GCC_VERSION(3,0) || ECB_C99
841 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 956 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
842#else 957#else
843 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 958 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
… …
1043{ 1158{
1044 write (STDERR_FILENO, msg, strlen (msg)); 1159 write (STDERR_FILENO, msg, strlen (msg));
1045} 1160}
1046#endif 1161#endif
1047 1162
1048static void (*syserr_cb)(const char *msg); 1163static void (*syserr_cb)(const char *msg) EV_THROW;
1049 1164
1050void ecb_cold 1165void ecb_cold
1051ev_set_syserr_cb (void (*cb)(const char *msg)) 1166ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1052{ 1167{
1053 syserr_cb = cb; 1168 syserr_cb = cb;
1054} 1169}
1055 1170
1056static void noinline ecb_cold 1171static void noinline ecb_cold
… …
1074 abort (); 1189 abort ();
1075 } 1190 }
1076} 1191}
1077 1192
1078static void * 1193static void *
1079ev_realloc_emul (void *ptr, long size) 1194ev_realloc_emul (void *ptr, long size) EV_THROW
1080{ 1195{
1081#if __GLIBC__ 1196#if __GLIBC__
1082 return realloc (ptr, size); 1197 return realloc (ptr, size);
1083#else 1198#else
1084 /* some systems, notably openbsd and darwin, fail to properly 1199 /* some systems, notably openbsd and darwin, fail to properly
… …
1092 free (ptr); 1207 free (ptr);
1093 return 0; 1208 return 0;
1094#endif 1209#endif
1095} 1210}
1096 1211
1097static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1212static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1098 1213
1099void ecb_cold 1214void ecb_cold
1100ev_set_allocator (void *(*cb)(void *ptr, long size)) 1215ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1101{ 1216{
1102 alloc = cb; 1217 alloc = cb;
1103} 1218}
1104 1219
1105inline_speed void * 1220inline_speed void *
… …
1222 1337
1223/*****************************************************************************/ 1338/*****************************************************************************/
1224 1339
1225#ifndef EV_HAVE_EV_TIME 1340#ifndef EV_HAVE_EV_TIME
1226ev_tstamp 1341ev_tstamp
1227ev_time (void) 1342ev_time (void) EV_THROW
1228{ 1343{
1229#if EV_USE_REALTIME 1344#if EV_USE_REALTIME
1230 if (expect_true (have_realtime)) 1345 if (expect_true (have_realtime))
1231 { 1346 {
1232 struct timespec ts; 1347 struct timespec ts;
… …
1256 return ev_time (); 1371 return ev_time ();
1257} 1372}
1258 1373
1259#if EV_MULTIPLICITY 1374#if EV_MULTIPLICITY
1260ev_tstamp 1375ev_tstamp
1261ev_now (EV_P) 1376ev_now (EV_P) EV_THROW
1262{ 1377{
1263 return ev_rt_now; 1378 return ev_rt_now;
1264} 1379}
1265#endif 1380#endif
1266 1381
1267void 1382void
1268ev_sleep (ev_tstamp delay) 1383ev_sleep (ev_tstamp delay) EV_THROW
1269{ 1384{
1270 if (delay > 0.) 1385 if (delay > 0.)
1271 { 1386 {
1272#if EV_USE_NANOSLEEP 1387#if EV_USE_NANOSLEEP
1273 struct timespec ts; 1388 struct timespec ts;
1274 1389
1275 EV_TS_SET (ts, delay); 1390 EV_TS_SET (ts, delay);
1276 nanosleep (&ts, 0); 1391 nanosleep (&ts, 0);
1277#elif defined(_WIN32) 1392#elif defined _WIN32
1278 Sleep ((unsigned long)(delay * 1e3)); 1393 Sleep ((unsigned long)(delay * 1e3));
1279#else 1394#else
1280 struct timeval tv; 1395 struct timeval tv;
1281 1396
1282 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1397 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
… …
1354pendingcb (EV_P_ ev_prepare *w, int revents) 1469pendingcb (EV_P_ ev_prepare *w, int revents)
1355{ 1470{
1356} 1471}
1357 1472
1358void noinline 1473void noinline
1359ev_feed_event (EV_P_ void *w, int revents) 1474ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1360{ 1475{
1361 W w_ = (W)w; 1476 W w_ = (W)w;
1362 int pri = ABSPRI (w_); 1477 int pri = ABSPRI (w_);
1363 1478
1364 if (expect_false (w_->pending)) 1479 if (expect_false (w_->pending))
… …
1368 w_->pending = ++pendingcnt [pri]; 1483 w_->pending = ++pendingcnt [pri];
1369 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1484 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1370 pendings [pri][w_->pending - 1].w = w_; 1485 pendings [pri][w_->pending - 1].w = w_;
1371 pendings [pri][w_->pending - 1].events = revents; 1486 pendings [pri][w_->pending - 1].events = revents;
1372 } 1487 }
1488
1489 pendingpri = NUMPRI - 1;
1373} 1490}
1374 1491
1375inline_speed void 1492inline_speed void
1376feed_reverse (EV_P_ W w) 1493feed_reverse (EV_P_ W w)
1377{ 1494{
… …
1423 if (expect_true (!anfd->reify)) 1540 if (expect_true (!anfd->reify))
1424 fd_event_nocheck (EV_A_ fd, revents); 1541 fd_event_nocheck (EV_A_ fd, revents);
1425} 1542}
1426 1543
1427void 1544void
1428ev_feed_fd_event (EV_P_ int fd, int revents) 1545ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1429{ 1546{
1430 if (fd >= 0 && fd < anfdmax) 1547 if (fd >= 0 && fd < anfdmax)
1431 fd_event_nocheck (EV_A_ fd, revents); 1548 fd_event_nocheck (EV_A_ fd, revents);
1432} 1549}
1433 1550
… …
1782} 1899}
1783 1900
1784inline_speed void 1901inline_speed void
1785evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1902evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1786{ 1903{
1904 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1905
1787 if (expect_true (*flag)) 1906 if (expect_true (*flag))
1788 return; 1907 return;
1789 1908
1790 *flag = 1; 1909 *flag = 1;
1791
1792 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */ 1910 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1793 1911
1794 pipe_write_skipped = 1; 1912 pipe_write_skipped = 1;
1795 1913
1796 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */ 1914 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1797 1915
1798 if (pipe_write_wanted) 1916 if (pipe_write_wanted)
1799 { 1917 {
1800 int old_errno; 1918 int old_errno;
1801 1919
1802 pipe_write_skipped = 0; /* just an optimisation, no fence needed */ 1920 pipe_write_skipped = 0;
1921 ECB_MEMORY_FENCE_RELEASE;
1803 1922
1804 old_errno = errno; /* save errno because write will clobber it */ 1923 old_errno = errno; /* save errno because write will clobber it */
1805 1924
1806#if EV_USE_EVENTFD 1925#if EV_USE_EVENTFD
1807 if (evfd >= 0) 1926 if (evfd >= 0)
… …
1810 write (evfd, &counter, sizeof (uint64_t)); 1929 write (evfd, &counter, sizeof (uint64_t));
1811 } 1930 }
1812 else 1931 else
1813#endif 1932#endif
1814 { 1933 {
1815 /* win32 people keep sending patches that change this write() to send() */ 1934#ifdef _WIN32
1816 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1935 WSABUF buf;
1817 /* so when you think this write should be a send instead, please find out */ 1936 DWORD sent;
1818 /* where your send() is from - it's definitely not the microsoft send, and */ 1937 buf.buf = &buf;
1819 /* tell me. thank you. */ 1938 buf.len = 1;
1939 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1940#else
1820 write (evpipe [1], &(evpipe [1]), 1); 1941 write (evpipe [1], &(evpipe [1]), 1);
1942#endif
1821 } 1943 }
1822 1944
1823 errno = old_errno; 1945 errno = old_errno;
1824 } 1946 }
1825} 1947}
… …
1840 read (evfd, &counter, sizeof (uint64_t)); 1962 read (evfd, &counter, sizeof (uint64_t));
1841 } 1963 }
1842 else 1964 else
1843#endif 1965#endif
1844 { 1966 {
1845 char dummy; 1967 char dummy[4];
1846 /* see discussion in evpipe_write when you think this read should be recv in win32 */ 1968#ifdef _WIN32
1969 WSABUF buf;
1970 DWORD recvd;
1971 DWORD flags = 0;
1972 buf.buf = dummy;
1973 buf.len = sizeof (dummy);
1974 WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
1975#else
1847 read (evpipe [0], &dummy, 1); 1976 read (evpipe [0], &dummy, sizeof (dummy));
1977#endif
1848 } 1978 }
1849 } 1979 }
1850 1980
1851 pipe_write_skipped = 0; 1981 pipe_write_skipped = 0;
1982
1983 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1852 1984
1853#if EV_SIGNAL_ENABLE 1985#if EV_SIGNAL_ENABLE
1854 if (sig_pending) 1986 if (sig_pending)
1855 { 1987 {
1856 sig_pending = 0; 1988 sig_pending = 0;
1989
1990 ECB_MEMORY_FENCE;
1857 1991
1858 for (i = EV_NSIG - 1; i--; ) 1992 for (i = EV_NSIG - 1; i--; )
1859 if (expect_false (signals [i].pending)) 1993 if (expect_false (signals [i].pending))
1860 ev_feed_signal_event (EV_A_ i + 1); 1994 ev_feed_signal_event (EV_A_ i + 1);
1861 } 1995 }
… …
1863 1997
1864#if EV_ASYNC_ENABLE 1998#if EV_ASYNC_ENABLE
1865 if (async_pending) 1999 if (async_pending)
1866 { 2000 {
1867 async_pending = 0; 2001 async_pending = 0;
2002
2003 ECB_MEMORY_FENCE;
1868 2004
1869 for (i = asynccnt; i--; ) 2005 for (i = asynccnt; i--; )
1870 if (asyncs [i]->sent) 2006 if (asyncs [i]->sent)
1871 { 2007 {
1872 asyncs [i]->sent = 0; 2008 asyncs [i]->sent = 0;
2009 ECB_MEMORY_FENCE_RELEASE;
1873 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2010 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1874 } 2011 }
1875 } 2012 }
1876#endif 2013#endif
1877} 2014}
1878 2015
1879/*****************************************************************************/ 2016/*****************************************************************************/
1880 2017
1881void 2018void
1882ev_feed_signal (int signum) 2019ev_feed_signal (int signum) EV_THROW
1883{ 2020{
1884#if EV_MULTIPLICITY 2021#if EV_MULTIPLICITY
1885 EV_P = signals [signum - 1].loop; 2022 EV_P = signals [signum - 1].loop;
1886 2023
1887 if (!EV_A) 2024 if (!EV_A)
… …
1904 2041
1905 ev_feed_signal (signum); 2042 ev_feed_signal (signum);
1906} 2043}
1907 2044
1908void noinline 2045void noinline
1909ev_feed_signal_event (EV_P_ int signum) 2046ev_feed_signal_event (EV_P_ int signum) EV_THROW
1910{ 2047{
1911 WL w; 2048 WL w;
1912 2049
1913 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2050 if (expect_false (signum <= 0 || signum > EV_NSIG))
1914 return; 2051 return;
… …
1922 if (expect_false (signals [signum].loop != EV_A)) 2059 if (expect_false (signals [signum].loop != EV_A))
1923 return; 2060 return;
1924#endif 2061#endif
1925 2062
1926 signals [signum].pending = 0; 2063 signals [signum].pending = 0;
2064 ECB_MEMORY_FENCE_RELEASE;
1927 2065
1928 for (w = signals [signum].head; w; w = w->next) 2066 for (w = signals [signum].head; w; w = w->next)
1929 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2067 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1930} 2068}
1931 2069
… …
2030#if EV_USE_SELECT 2168#if EV_USE_SELECT
2031# include "ev_select.c" 2169# include "ev_select.c"
2032#endif 2170#endif
2033 2171
2034int ecb_cold 2172int ecb_cold
2035ev_version_major (void) 2173ev_version_major (void) EV_THROW
2036{ 2174{
2037 return EV_VERSION_MAJOR; 2175 return EV_VERSION_MAJOR;
2038} 2176}
2039 2177
2040int ecb_cold 2178int ecb_cold
2041ev_version_minor (void) 2179ev_version_minor (void) EV_THROW
2042{ 2180{
2043 return EV_VERSION_MINOR; 2181 return EV_VERSION_MINOR;
2044} 2182}
2045 2183
2046/* return true if we are running with elevated privileges and should ignore env variables */ 2184/* return true if we are running with elevated privileges and should ignore env variables */
… …
2054 || getgid () != getegid (); 2192 || getgid () != getegid ();
2055#endif 2193#endif
2056} 2194}
2057 2195
2058unsigned int ecb_cold 2196unsigned int ecb_cold
2059ev_supported_backends (void) 2197ev_supported_backends (void) EV_THROW
2060{ 2198{
2061 unsigned int flags = 0; 2199 unsigned int flags = 0;
2062 2200
2063 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2201 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2064 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2202 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
2068 2206
2069 return flags; 2207 return flags;
2070} 2208}
2071 2209
2072unsigned int ecb_cold 2210unsigned int ecb_cold
2073ev_recommended_backends (void) 2211ev_recommended_backends (void) EV_THROW
2074{ 2212{
2075 unsigned int flags = ev_supported_backends (); 2213 unsigned int flags = ev_supported_backends ();
2076 2214
2077#ifndef __NetBSD__ 2215#ifndef __NetBSD__
2078 /* kqueue is borked on everything but netbsd apparently */ 2216 /* kqueue is borked on everything but netbsd apparently */
… …
2090 2228
2091 return flags; 2229 return flags;
2092} 2230}
2093 2231
2094unsigned int ecb_cold 2232unsigned int ecb_cold
2095ev_embeddable_backends (void) 2233ev_embeddable_backends (void) EV_THROW
2096{ 2234{
2097 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2235 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2098 2236
2099 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2237 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2100 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2238 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
… …
2102 2240
2103 return flags; 2241 return flags;
2104} 2242}
2105 2243
2106unsigned int 2244unsigned int
2107ev_backend (EV_P) 2245ev_backend (EV_P) EV_THROW
2108{ 2246{
2109 return backend; 2247 return backend;
2110} 2248}
2111 2249
2112#if EV_FEATURE_API 2250#if EV_FEATURE_API
2113unsigned int 2251unsigned int
2114ev_iteration (EV_P) 2252ev_iteration (EV_P) EV_THROW
2115{ 2253{
2116 return loop_count; 2254 return loop_count;
2117} 2255}
2118 2256
2119unsigned int 2257unsigned int
2120ev_depth (EV_P) 2258ev_depth (EV_P) EV_THROW
2121{ 2259{
2122 return loop_depth; 2260 return loop_depth;
2123} 2261}
2124 2262
2125void 2263void
2126ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2264ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2127{ 2265{
2128 io_blocktime = interval; 2266 io_blocktime = interval;
2129} 2267}
2130 2268
2131void 2269void
2132ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2270ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2133{ 2271{
2134 timeout_blocktime = interval; 2272 timeout_blocktime = interval;
2135} 2273}
2136 2274
2137void 2275void
2138ev_set_userdata (EV_P_ void *data) 2276ev_set_userdata (EV_P_ void *data) EV_THROW
2139{ 2277{
2140 userdata = data; 2278 userdata = data;
2141} 2279}
2142 2280
2143void * 2281void *
2144ev_userdata (EV_P) 2282ev_userdata (EV_P) EV_THROW
2145{ 2283{
2146 return userdata; 2284 return userdata;
2147} 2285}
2148 2286
2149void 2287void
2150ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2288ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2151{ 2289{
2152 invoke_cb = invoke_pending_cb; 2290 invoke_cb = invoke_pending_cb;
2153} 2291}
2154 2292
2155void 2293void
2156ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2294ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2157{ 2295{
2158 release_cb = release; 2296 release_cb = release;
2159 acquire_cb = acquire; 2297 acquire_cb = acquire;
2160} 2298}
2161#endif 2299#endif
2162 2300
2163/* initialise a loop structure, must be zero-initialised */ 2301/* initialise a loop structure, must be zero-initialised */
2164static void noinline ecb_cold 2302static void noinline ecb_cold
2165loop_init (EV_P_ unsigned int flags) 2303loop_init (EV_P_ unsigned int flags) EV_THROW
2166{ 2304{
2167 if (!backend) 2305 if (!backend)
2168 { 2306 {
2169 origflags = flags; 2307 origflags = flags;
2170 2308
… …
2275 EV_INVOKE_PENDING; 2413 EV_INVOKE_PENDING;
2276 } 2414 }
2277#endif 2415#endif
2278 2416
2279#if EV_CHILD_ENABLE 2417#if EV_CHILD_ENABLE
2280 if (ev_is_active (&childev)) 2418 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2281 { 2419 {
2282 ev_ref (EV_A); /* child watcher */ 2420 ev_ref (EV_A); /* child watcher */
2283 ev_signal_stop (EV_A_ &childev); 2421 ev_signal_stop (EV_A_ &childev);
2284 } 2422 }
2285#endif 2423#endif
… …
2412 EV_WIN32_CLOSE_FD (evpipe [1]); 2550 EV_WIN32_CLOSE_FD (evpipe [1]);
2413 } 2551 }
2414 2552
2415#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2553#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2416 evpipe_init (EV_A); 2554 evpipe_init (EV_A);
2417 /* now iterate over everything, in case we missed something */ 2555 /* iterate over everything, in case we missed something before */
2418 pipecb (EV_A_ &pipe_w, EV_READ); 2556 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2419#endif 2557#endif
2420 } 2558 }
2421 2559
2422 postfork = 0; 2560 postfork = 0;
2423} 2561}
2424 2562
2425#if EV_MULTIPLICITY 2563#if EV_MULTIPLICITY
2426 2564
2427struct ev_loop * ecb_cold 2565struct ev_loop * ecb_cold
2428ev_loop_new (unsigned int flags) 2566ev_loop_new (unsigned int flags) EV_THROW
2429{ 2567{
2430 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2568 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2431 2569
2432 memset (EV_A, 0, sizeof (struct ev_loop)); 2570 memset (EV_A, 0, sizeof (struct ev_loop));
2433 loop_init (EV_A_ flags); 2571 loop_init (EV_A_ flags);
… …
2477} 2615}
2478#endif 2616#endif
2479 2617
2480#if EV_FEATURE_API 2618#if EV_FEATURE_API
2481void ecb_cold 2619void ecb_cold
2482ev_verify (EV_P) 2620ev_verify (EV_P) EV_THROW
2483{ 2621{
2484#if EV_VERIFY 2622#if EV_VERIFY
2485 int i; 2623 int i;
2486 WL w; 2624 WL w, w2;
2487 2625
2488 assert (activecnt >= -1); 2626 assert (activecnt >= -1);
2489 2627
2490 assert (fdchangemax >= fdchangecnt); 2628 assert (fdchangemax >= fdchangecnt);
2491 for (i = 0; i < fdchangecnt; ++i) 2629 for (i = 0; i < fdchangecnt; ++i)
2492 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2630 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2493 2631
2494 assert (anfdmax >= 0); 2632 assert (anfdmax >= 0);
2495 for (i = 0; i < anfdmax; ++i) 2633 for (i = 0; i < anfdmax; ++i)
2634 {
2635 int j = 0;
2636
2496 for (w = anfds [i].head; w; w = w->next) 2637 for (w = w2 = anfds [i].head; w; w = w->next)
2497 { 2638 {
2498 verify_watcher (EV_A_ (W)w); 2639 verify_watcher (EV_A_ (W)w);
2640
2641 if (j++ & 1)
2642 {
2643 assert (("libev: io watcher list contains a loop", w != w2));
2644 w2 = w2->next;
2645 }
2646
2499 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1)); 2647 assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2500 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i)); 2648 assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2501 } 2649 }
2650 }
2502 2651
2503 assert (timermax >= timercnt); 2652 assert (timermax >= timercnt);
2504 verify_heap (EV_A_ timers, timercnt); 2653 verify_heap (EV_A_ timers, timercnt);
2505 2654
2506#if EV_PERIODIC_ENABLE 2655#if EV_PERIODIC_ENABLE
… …
2556#if EV_MULTIPLICITY 2705#if EV_MULTIPLICITY
2557struct ev_loop * ecb_cold 2706struct ev_loop * ecb_cold
2558#else 2707#else
2559int 2708int
2560#endif 2709#endif
2561ev_default_loop (unsigned int flags) 2710ev_default_loop (unsigned int flags) EV_THROW
2562{ 2711{
2563 if (!ev_default_loop_ptr) 2712 if (!ev_default_loop_ptr)
2564 { 2713 {
2565#if EV_MULTIPLICITY 2714#if EV_MULTIPLICITY
2566 EV_P = ev_default_loop_ptr = &default_loop_struct; 2715 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2585 2734
2586 return ev_default_loop_ptr; 2735 return ev_default_loop_ptr;
2587} 2736}
2588 2737
2589void 2738void
2590ev_loop_fork (EV_P) 2739ev_loop_fork (EV_P) EV_THROW
2591{ 2740{
2592 postfork = 1; /* must be in line with ev_default_fork */ 2741 postfork = 1;
2593} 2742}
2594 2743
2595/*****************************************************************************/ 2744/*****************************************************************************/
2596 2745
2597void 2746void
… …
2599{ 2748{
2600 EV_CB_INVOKE ((W)w, revents); 2749 EV_CB_INVOKE ((W)w, revents);
2601} 2750}
2602 2751
2603unsigned int 2752unsigned int
2604ev_pending_count (EV_P) 2753ev_pending_count (EV_P) EV_THROW
2605{ 2754{
2606 int pri; 2755 int pri;
2607 unsigned int count = 0; 2756 unsigned int count = 0;
2608 2757
2609 for (pri = NUMPRI; pri--; ) 2758 for (pri = NUMPRI; pri--; )
… …
2613} 2762}
2614 2763
2615void noinline 2764void noinline
2616ev_invoke_pending (EV_P) 2765ev_invoke_pending (EV_P)
2617{ 2766{
2618 int pri; 2767 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2619
2620 for (pri = NUMPRI; pri--; )
2621 while (pendingcnt [pri]) 2768 while (pendingcnt [pendingpri])
2622 { 2769 {
2623 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2770 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2624 2771
2625 p->w->pending = 0; 2772 p->w->pending = 0;
2626 EV_CB_INVOKE (p->w, p->events); 2773 EV_CB_INVOKE (p->w, p->events);
2627 EV_FREQUENT_CHECK; 2774 EV_FREQUENT_CHECK;
2628 } 2775 }
… …
2723{ 2870{
2724 EV_FREQUENT_CHECK; 2871 EV_FREQUENT_CHECK;
2725 2872
2726 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2873 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2727 { 2874 {
2728 int feed_count = 0;
2729
2730 do 2875 do
2731 { 2876 {
2732 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2877 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2733 2878
2734 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/ 2879 /*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
… …
2868 3013
2869 mn_now = ev_rt_now; 3014 mn_now = ev_rt_now;
2870 } 3015 }
2871} 3016}
2872 3017
2873void 3018int
2874ev_run (EV_P_ int flags) 3019ev_run (EV_P_ int flags)
2875{ 3020{
2876#if EV_FEATURE_API 3021#if EV_FEATURE_API
2877 ++loop_depth; 3022 ++loop_depth;
2878#endif 3023#endif
… …
2993 backend_poll (EV_A_ waittime); 3138 backend_poll (EV_A_ waittime);
2994 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3139 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2995 3140
2996 pipe_write_wanted = 0; /* just an optimisation, no fence needed */ 3141 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2997 3142
3143 ECB_MEMORY_FENCE_ACQUIRE;
2998 if (pipe_write_skipped) 3144 if (pipe_write_skipped)
2999 { 3145 {
3000 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w))); 3146 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3001 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM); 3147 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3002 } 3148 }
… …
3032 )); 3178 ));
3033 3179
3034 if (loop_done == EVBREAK_ONE) 3180 if (loop_done == EVBREAK_ONE)
3035 loop_done = EVBREAK_CANCEL; 3181 loop_done = EVBREAK_CANCEL;
3036 3182
3183 /* pendingpri is normally -1 here, which is not a good */
3184 /* value when returning to an ev_invoke_pending */
3185 pendingpri = NUMPRI - 1;
3186
3037#if EV_FEATURE_API 3187#if EV_FEATURE_API
3038 --loop_depth; 3188 --loop_depth;
3039#endif 3189#endif
3190
3191 return activecnt;
3040} 3192}
3041 3193
3042void 3194void
3043ev_break (EV_P_ int how) 3195ev_break (EV_P_ int how) EV_THROW
3044{ 3196{
3045 loop_done = how; 3197 loop_done = how;
3046} 3198}
3047 3199
3048void 3200void
3049ev_ref (EV_P) 3201ev_ref (EV_P) EV_THROW
3050{ 3202{
3051 ++activecnt; 3203 ++activecnt;
3052} 3204}
3053 3205
3054void 3206void
3055ev_unref (EV_P) 3207ev_unref (EV_P) EV_THROW
3056{ 3208{
3057 --activecnt; 3209 --activecnt;
3058} 3210}
3059 3211
3060void 3212void
3061ev_now_update (EV_P) 3213ev_now_update (EV_P) EV_THROW
3062{ 3214{
3063 time_update (EV_A_ 1e100); 3215 time_update (EV_A_ 1e100);
3064} 3216}
3065 3217
3066void 3218void
3067ev_suspend (EV_P) 3219ev_suspend (EV_P) EV_THROW
3068{ 3220{
3069 ev_now_update (EV_A); 3221 ev_now_update (EV_A);
3070} 3222}
3071 3223
3072void 3224void
3073ev_resume (EV_P) 3225ev_resume (EV_P) EV_THROW
3074{ 3226{
3075 ev_tstamp mn_prev = mn_now; 3227 ev_tstamp mn_prev = mn_now;
3076 3228
3077 ev_now_update (EV_A); 3229 ev_now_update (EV_A);
3078 timers_reschedule (EV_A_ mn_now - mn_prev); 3230 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
3117 w->pending = 0; 3269 w->pending = 0;
3118 } 3270 }
3119} 3271}
3120 3272
3121int 3273int
3122ev_clear_pending (EV_P_ void *w) 3274ev_clear_pending (EV_P_ void *w) EV_THROW
3123{ 3275{
3124 W w_ = (W)w; 3276 W w_ = (W)w;
3125 int pending = w_->pending; 3277 int pending = w_->pending;
3126 3278
3127 if (expect_true (pending)) 3279 if (expect_true (pending))
… …
3160} 3312}
3161 3313
3162/*****************************************************************************/ 3314/*****************************************************************************/
3163 3315
3164void noinline 3316void noinline
3165ev_io_start (EV_P_ ev_io *w) 3317ev_io_start (EV_P_ ev_io *w) EV_THROW
3166{ 3318{
3167 int fd = w->fd; 3319 int fd = w->fd;
3168 3320
3169 if (expect_false (ev_is_active (w))) 3321 if (expect_false (ev_is_active (w)))
3170 return; 3322 return;
… …
3176 3328
3177 ev_start (EV_A_ (W)w, 1); 3329 ev_start (EV_A_ (W)w, 1);
3178 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3330 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3179 wlist_add (&anfds[fd].head, (WL)w); 3331 wlist_add (&anfds[fd].head, (WL)w);
3180 3332
3333 /* common bug, apparently */
3334 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3335
3181 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY); 3336 fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3182 w->events &= ~EV__IOFDSET; 3337 w->events &= ~EV__IOFDSET;
3183 3338
3184 EV_FREQUENT_CHECK; 3339 EV_FREQUENT_CHECK;
3185} 3340}
3186 3341
3187void noinline 3342void noinline
3188ev_io_stop (EV_P_ ev_io *w) 3343ev_io_stop (EV_P_ ev_io *w) EV_THROW
3189{ 3344{
3190 clear_pending (EV_A_ (W)w); 3345 clear_pending (EV_A_ (W)w);
3191 if (expect_false (!ev_is_active (w))) 3346 if (expect_false (!ev_is_active (w)))
3192 return; 3347 return;
3193 3348
… …
3202 3357
3203 EV_FREQUENT_CHECK; 3358 EV_FREQUENT_CHECK;
3204} 3359}
3205 3360
3206void noinline 3361void noinline
3207ev_timer_start (EV_P_ ev_timer *w) 3362ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3208{ 3363{
3209 if (expect_false (ev_is_active (w))) 3364 if (expect_false (ev_is_active (w)))
3210 return; 3365 return;
3211 3366
3212 ev_at (w) += mn_now; 3367 ev_at (w) += mn_now;
… …
3226 3381
3227 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3382 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3228} 3383}
3229 3384
3230void noinline 3385void noinline
3231ev_timer_stop (EV_P_ ev_timer *w) 3386ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3232{ 3387{
3233 clear_pending (EV_A_ (W)w); 3388 clear_pending (EV_A_ (W)w);
3234 if (expect_false (!ev_is_active (w))) 3389 if (expect_false (!ev_is_active (w)))
3235 return; 3390 return;
3236 3391
… …
3256 3411
3257 EV_FREQUENT_CHECK; 3412 EV_FREQUENT_CHECK;
3258} 3413}
3259 3414
3260void noinline 3415void noinline
3261ev_timer_again (EV_P_ ev_timer *w) 3416ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3262{ 3417{
3263 EV_FREQUENT_CHECK; 3418 EV_FREQUENT_CHECK;
3419
3420 clear_pending (EV_A_ (W)w);
3264 3421
3265 if (ev_is_active (w)) 3422 if (ev_is_active (w))
3266 { 3423 {
3267 if (w->repeat) 3424 if (w->repeat)
3268 { 3425 {
… …
3281 3438
3282 EV_FREQUENT_CHECK; 3439 EV_FREQUENT_CHECK;
3283} 3440}
3284 3441
3285ev_tstamp 3442ev_tstamp
3286ev_timer_remaining (EV_P_ ev_timer *w) 3443ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3287{ 3444{
3288 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3445 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3289} 3446}
3290 3447
3291#if EV_PERIODIC_ENABLE 3448#if EV_PERIODIC_ENABLE
3292void noinline 3449void noinline
3293ev_periodic_start (EV_P_ ev_periodic *w) 3450ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3294{ 3451{
3295 if (expect_false (ev_is_active (w))) 3452 if (expect_false (ev_is_active (w)))
3296 return; 3453 return;
3297 3454
3298 if (w->reschedule_cb) 3455 if (w->reschedule_cb)
… …
3318 3475
3319 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 3476 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3320} 3477}
3321 3478
3322void noinline 3479void noinline
3323ev_periodic_stop (EV_P_ ev_periodic *w) 3480ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3324{ 3481{
3325 clear_pending (EV_A_ (W)w); 3482 clear_pending (EV_A_ (W)w);
3326 if (expect_false (!ev_is_active (w))) 3483 if (expect_false (!ev_is_active (w)))
3327 return; 3484 return;
3328 3485
… …
3346 3503
3347 EV_FREQUENT_CHECK; 3504 EV_FREQUENT_CHECK;
3348} 3505}
3349 3506
3350void noinline 3507void noinline
3351ev_periodic_again (EV_P_ ev_periodic *w) 3508ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3352{ 3509{
3353 /* TODO: use adjustheap and recalculation */ 3510 /* TODO: use adjustheap and recalculation */
3354 ev_periodic_stop (EV_A_ w); 3511 ev_periodic_stop (EV_A_ w);
3355 ev_periodic_start (EV_A_ w); 3512 ev_periodic_start (EV_A_ w);
3356} 3513}
… …
3361#endif 3518#endif
3362 3519
3363#if EV_SIGNAL_ENABLE 3520#if EV_SIGNAL_ENABLE
3364 3521
3365void noinline 3522void noinline
3366ev_signal_start (EV_P_ ev_signal *w) 3523ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3367{ 3524{
3368 if (expect_false (ev_is_active (w))) 3525 if (expect_false (ev_is_active (w)))
3369 return; 3526 return;
3370 3527
3371 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3528 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
… …
3442 3599
3443 EV_FREQUENT_CHECK; 3600 EV_FREQUENT_CHECK;
3444} 3601}
3445 3602
3446void noinline 3603void noinline
3447ev_signal_stop (EV_P_ ev_signal *w) 3604ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3448{ 3605{
3449 clear_pending (EV_A_ (W)w); 3606 clear_pending (EV_A_ (W)w);
3450 if (expect_false (!ev_is_active (w))) 3607 if (expect_false (!ev_is_active (w)))
3451 return; 3608 return;
3452 3609
… …
3483#endif 3640#endif
3484 3641
3485#if EV_CHILD_ENABLE 3642#if EV_CHILD_ENABLE
3486 3643
3487void 3644void
3488ev_child_start (EV_P_ ev_child *w) 3645ev_child_start (EV_P_ ev_child *w) EV_THROW
3489{ 3646{
3490#if EV_MULTIPLICITY 3647#if EV_MULTIPLICITY
3491 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3648 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3492#endif 3649#endif
3493 if (expect_false (ev_is_active (w))) 3650 if (expect_false (ev_is_active (w)))
… …
3500 3657
3501 EV_FREQUENT_CHECK; 3658 EV_FREQUENT_CHECK;
3502} 3659}
3503 3660
3504void 3661void
3505ev_child_stop (EV_P_ ev_child *w) 3662ev_child_stop (EV_P_ ev_child *w) EV_THROW
3506{ 3663{
3507 clear_pending (EV_A_ (W)w); 3664 clear_pending (EV_A_ (W)w);
3508 if (expect_false (!ev_is_active (w))) 3665 if (expect_false (!ev_is_active (w)))
3509 return; 3666 return;
3510 3667
… …
3677} 3834}
3678 3835
3679inline_size int 3836inline_size int
3680infy_newfd (void) 3837infy_newfd (void)
3681{ 3838{
3682#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3839#if defined IN_CLOEXEC && defined IN_NONBLOCK
3683 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3840 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3684 if (fd >= 0) 3841 if (fd >= 0)
3685 return fd; 3842 return fd;
3686#endif 3843#endif
3687 return inotify_init (); 3844 return inotify_init ();
… …
3762#else 3919#else
3763# define EV_LSTAT(p,b) lstat (p, b) 3920# define EV_LSTAT(p,b) lstat (p, b)
3764#endif 3921#endif
3765 3922
3766void 3923void
3767ev_stat_stat (EV_P_ ev_stat *w) 3924ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3768{ 3925{
3769 if (lstat (w->path, &w->attr) < 0) 3926 if (lstat (w->path, &w->attr) < 0)
3770 w->attr.st_nlink = 0; 3927 w->attr.st_nlink = 0;
3771 else if (!w->attr.st_nlink) 3928 else if (!w->attr.st_nlink)
3772 w->attr.st_nlink = 1; 3929 w->attr.st_nlink = 1;
… …
3811 ev_feed_event (EV_A_ w, EV_STAT); 3968 ev_feed_event (EV_A_ w, EV_STAT);
3812 } 3969 }
3813} 3970}
3814 3971
3815void 3972void
3816ev_stat_start (EV_P_ ev_stat *w) 3973ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3817{ 3974{
3818 if (expect_false (ev_is_active (w))) 3975 if (expect_false (ev_is_active (w)))
3819 return; 3976 return;
3820 3977
3821 ev_stat_stat (EV_A_ w); 3978 ev_stat_stat (EV_A_ w);
… …
3842 3999
3843 EV_FREQUENT_CHECK; 4000 EV_FREQUENT_CHECK;
3844} 4001}
3845 4002
3846void 4003void
3847ev_stat_stop (EV_P_ ev_stat *w) 4004ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3848{ 4005{
3849 clear_pending (EV_A_ (W)w); 4006 clear_pending (EV_A_ (W)w);
3850 if (expect_false (!ev_is_active (w))) 4007 if (expect_false (!ev_is_active (w)))
3851 return; 4008 return;
3852 4009
… …
3868} 4025}
3869#endif 4026#endif
3870 4027
3871#if EV_IDLE_ENABLE 4028#if EV_IDLE_ENABLE
3872void 4029void
3873ev_idle_start (EV_P_ ev_idle *w) 4030ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3874{ 4031{
3875 if (expect_false (ev_is_active (w))) 4032 if (expect_false (ev_is_active (w)))
3876 return; 4033 return;
3877 4034
3878 pri_adjust (EV_A_ (W)w); 4035 pri_adjust (EV_A_ (W)w);
… …
3891 4048
3892 EV_FREQUENT_CHECK; 4049 EV_FREQUENT_CHECK;
3893} 4050}
3894 4051
3895void 4052void
3896ev_idle_stop (EV_P_ ev_idle *w) 4053ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3897{ 4054{
3898 clear_pending (EV_A_ (W)w); 4055 clear_pending (EV_A_ (W)w);
3899 if (expect_false (!ev_is_active (w))) 4056 if (expect_false (!ev_is_active (w)))
3900 return; 4057 return;
3901 4058
… …
3915} 4072}
3916#endif 4073#endif
3917 4074
3918#if EV_PREPARE_ENABLE 4075#if EV_PREPARE_ENABLE
3919void 4076void
3920ev_prepare_start (EV_P_ ev_prepare *w) 4077ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3921{ 4078{
3922 if (expect_false (ev_is_active (w))) 4079 if (expect_false (ev_is_active (w)))
3923 return; 4080 return;
3924 4081
3925 EV_FREQUENT_CHECK; 4082 EV_FREQUENT_CHECK;
… …
3930 4087
3931 EV_FREQUENT_CHECK; 4088 EV_FREQUENT_CHECK;
3932} 4089}
3933 4090
3934void 4091void
3935ev_prepare_stop (EV_P_ ev_prepare *w) 4092ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3936{ 4093{
3937 clear_pending (EV_A_ (W)w); 4094 clear_pending (EV_A_ (W)w);
3938 if (expect_false (!ev_is_active (w))) 4095 if (expect_false (!ev_is_active (w)))
3939 return; 4096 return;
3940 4097
… …
3953} 4110}
3954#endif 4111#endif
3955 4112
3956#if EV_CHECK_ENABLE 4113#if EV_CHECK_ENABLE
3957void 4114void
3958ev_check_start (EV_P_ ev_check *w) 4115ev_check_start (EV_P_ ev_check *w) EV_THROW
3959{ 4116{
3960 if (expect_false (ev_is_active (w))) 4117 if (expect_false (ev_is_active (w)))
3961 return; 4118 return;
3962 4119
3963 EV_FREQUENT_CHECK; 4120 EV_FREQUENT_CHECK;
… …
3968 4125
3969 EV_FREQUENT_CHECK; 4126 EV_FREQUENT_CHECK;
3970} 4127}
3971 4128
3972void 4129void
3973ev_check_stop (EV_P_ ev_check *w) 4130ev_check_stop (EV_P_ ev_check *w) EV_THROW
3974{ 4131{
3975 clear_pending (EV_A_ (W)w); 4132 clear_pending (EV_A_ (W)w);
3976 if (expect_false (!ev_is_active (w))) 4133 if (expect_false (!ev_is_active (w)))
3977 return; 4134 return;
3978 4135
… …
3991} 4148}
3992#endif 4149#endif
3993 4150
3994#if EV_EMBED_ENABLE 4151#if EV_EMBED_ENABLE
3995void noinline 4152void noinline
3996ev_embed_sweep (EV_P_ ev_embed *w) 4153ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3997{ 4154{
3998 ev_run (w->other, EVRUN_NOWAIT); 4155 ev_run (w->other, EVRUN_NOWAIT);
3999} 4156}
4000 4157
4001static void 4158static void
… …
4049 ev_idle_stop (EV_A_ idle); 4206 ev_idle_stop (EV_A_ idle);
4050} 4207}
4051#endif 4208#endif
4052 4209
4053void 4210void
4054ev_embed_start (EV_P_ ev_embed *w) 4211ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4055{ 4212{
4056 if (expect_false (ev_is_active (w))) 4213 if (expect_false (ev_is_active (w)))
4057 return; 4214 return;
4058 4215
4059 { 4216 {
… …
4080 4237
4081 EV_FREQUENT_CHECK; 4238 EV_FREQUENT_CHECK;
4082} 4239}
4083 4240
4084void 4241void
4085ev_embed_stop (EV_P_ ev_embed *w) 4242ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4086{ 4243{
4087 clear_pending (EV_A_ (W)w); 4244 clear_pending (EV_A_ (W)w);
4088 if (expect_false (!ev_is_active (w))) 4245 if (expect_false (!ev_is_active (w)))
4089 return; 4246 return;
4090 4247
… …
4100} 4257}
4101#endif 4258#endif
4102 4259
4103#if EV_FORK_ENABLE 4260#if EV_FORK_ENABLE
4104void 4261void
4105ev_fork_start (EV_P_ ev_fork *w) 4262ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4106{ 4263{
4107 if (expect_false (ev_is_active (w))) 4264 if (expect_false (ev_is_active (w)))
4108 return; 4265 return;
4109 4266
4110 EV_FREQUENT_CHECK; 4267 EV_FREQUENT_CHECK;
… …
4115 4272
4116 EV_FREQUENT_CHECK; 4273 EV_FREQUENT_CHECK;
4117} 4274}
4118 4275
4119void 4276void
4120ev_fork_stop (EV_P_ ev_fork *w) 4277ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4121{ 4278{
4122 clear_pending (EV_A_ (W)w); 4279 clear_pending (EV_A_ (W)w);
4123 if (expect_false (!ev_is_active (w))) 4280 if (expect_false (!ev_is_active (w)))
4124 return; 4281 return;
4125 4282
… …
4138} 4295}
4139#endif 4296#endif
4140 4297
4141#if EV_CLEANUP_ENABLE 4298#if EV_CLEANUP_ENABLE
4142void 4299void
4143ev_cleanup_start (EV_P_ ev_cleanup *w) 4300ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4144{ 4301{
4145 if (expect_false (ev_is_active (w))) 4302 if (expect_false (ev_is_active (w)))
4146 return; 4303 return;
4147 4304
4148 EV_FREQUENT_CHECK; 4305 EV_FREQUENT_CHECK;
… …
4155 ev_unref (EV_A); 4312 ev_unref (EV_A);
4156 EV_FREQUENT_CHECK; 4313 EV_FREQUENT_CHECK;
4157} 4314}
4158 4315
4159void 4316void
4160ev_cleanup_stop (EV_P_ ev_cleanup *w) 4317ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4161{ 4318{
4162 clear_pending (EV_A_ (W)w); 4319 clear_pending (EV_A_ (W)w);
4163 if (expect_false (!ev_is_active (w))) 4320 if (expect_false (!ev_is_active (w)))
4164 return; 4321 return;
4165 4322
… …
4179} 4336}
4180#endif 4337#endif
4181 4338
4182#if EV_ASYNC_ENABLE 4339#if EV_ASYNC_ENABLE
4183void 4340void
4184ev_async_start (EV_P_ ev_async *w) 4341ev_async_start (EV_P_ ev_async *w) EV_THROW
4185{ 4342{
4186 if (expect_false (ev_is_active (w))) 4343 if (expect_false (ev_is_active (w)))
4187 return; 4344 return;
4188 4345
4189 w->sent = 0; 4346 w->sent = 0;
… …
4198 4355
4199 EV_FREQUENT_CHECK; 4356 EV_FREQUENT_CHECK;
4200} 4357}
4201 4358
4202void 4359void
4203ev_async_stop (EV_P_ ev_async *w) 4360ev_async_stop (EV_P_ ev_async *w) EV_THROW
4204{ 4361{
4205 clear_pending (EV_A_ (W)w); 4362 clear_pending (EV_A_ (W)w);
4206 if (expect_false (!ev_is_active (w))) 4363 if (expect_false (!ev_is_active (w)))
4207 return; 4364 return;
4208 4365
… …
4219 4376
4220 EV_FREQUENT_CHECK; 4377 EV_FREQUENT_CHECK;
4221} 4378}
4222 4379
4223void 4380void
4224ev_async_send (EV_P_ ev_async *w) 4381ev_async_send (EV_P_ ev_async *w) EV_THROW
4225{ 4382{
4226 w->sent = 1; 4383 w->sent = 1;
4227 evpipe_write (EV_A_ &async_pending); 4384 evpipe_write (EV_A_ &async_pending);
4228} 4385}
4229#endif 4386#endif
… …
4266 4423
4267 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4424 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4268} 4425}
4269 4426
4270void 4427void
4271ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) 4428ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4272{ 4429{
4273 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4430 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4274 4431
4275 if (expect_false (!once)) 4432 if (expect_false (!once))
4276 { 4433 {
… …
4298 4455
4299/*****************************************************************************/ 4456/*****************************************************************************/
4300 4457
4301#if EV_WALK_ENABLE 4458#if EV_WALK_ENABLE
4302void ecb_cold 4459void ecb_cold
4303ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4460ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4304{ 4461{
4305 int i, j; 4462 int i, j;
4306 ev_watcher_list *wl, *wn; 4463 ev_watcher_list *wl, *wn;
4307 4464
4308 if (types & (EV_IO | EV_EMBED)) 4465 if (types & (EV_IO | EV_EMBED))

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