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Comparing libev/ev.c (file contents):
Revision 1.370 by root, Sun Jan 30 19:05:41 2011 UTC vs.
Revision 1.440 by root, Tue May 29 21:37:14 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 *
10 * 1. Redistributions of source code must retain the above copyright notice, 10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
12 * 12 *
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution. 15 * documentation and/or other materials provided with the distribution.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
… …
43# include EV_CONFIG_H 43# include EV_CONFIG_H
44# else 44# else
45# include "config.h" 45# include "config.h"
46# endif 46# endif
47 47
48#if HAVE_FLOOR
49# ifndef EV_USE_FLOOR
50# define EV_USE_FLOOR 1
51# endif
52#endif
53
48# if HAVE_CLOCK_SYSCALL 54# if HAVE_CLOCK_SYSCALL
49# ifndef EV_USE_CLOCK_SYSCALL 55# ifndef EV_USE_CLOCK_SYSCALL
50# define EV_USE_CLOCK_SYSCALL 1 56# define EV_USE_CLOCK_SYSCALL 1
51# ifndef EV_USE_REALTIME 57# ifndef EV_USE_REALTIME
52# define EV_USE_REALTIME 0 58# define EV_USE_REALTIME 0
53# endif 59# endif
54# ifndef EV_USE_MONOTONIC 60# ifndef EV_USE_MONOTONIC
55# define EV_USE_MONOTONIC 1 61# define EV_USE_MONOTONIC 1
56# endif 62# endif
57# endif 63# endif
58# elif !defined(EV_USE_CLOCK_SYSCALL) 64# elif !defined EV_USE_CLOCK_SYSCALL
59# define EV_USE_CLOCK_SYSCALL 0 65# define EV_USE_CLOCK_SYSCALL 0
60# endif 66# endif
61 67
62# if HAVE_CLOCK_GETTIME 68# if HAVE_CLOCK_GETTIME
63# ifndef EV_USE_MONOTONIC 69# ifndef EV_USE_MONOTONIC
… …
156# define EV_USE_EVENTFD 0 162# define EV_USE_EVENTFD 0
157# endif 163# endif
158 164
159#endif 165#endif
160 166
161#include <math.h>
162#include <stdlib.h> 167#include <stdlib.h>
163#include <string.h> 168#include <string.h>
164#include <fcntl.h> 169#include <fcntl.h>
165#include <stddef.h> 170#include <stddef.h>
166 171
… …
178# include EV_H 183# include EV_H
179#else 184#else
180# include "ev.h" 185# include "ev.h"
181#endif 186#endif
182 187
183EV_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
184 198
185#ifndef _WIN32 199#ifndef _WIN32
186# include <sys/time.h> 200# include <sys/time.h>
187# include <sys/wait.h> 201# include <sys/wait.h>
188# include <unistd.h> 202# include <unistd.h>
189#else 203#else
190# include <io.h> 204# include <io.h>
191# define WIN32_LEAN_AND_MEAN 205# define WIN32_LEAN_AND_MEAN
206# include <winsock2.h>
192# include <windows.h> 207# include <windows.h>
193# ifndef EV_SELECT_IS_WINSOCKET 208# ifndef EV_SELECT_IS_WINSOCKET
194# define EV_SELECT_IS_WINSOCKET 1 209# define EV_SELECT_IS_WINSOCKET 1
195# endif 210# endif
196# undef EV_AVOID_STDIO 211# undef EV_AVOID_STDIO
… …
205#define _DARWIN_UNLIMITED_SELECT 1 220#define _DARWIN_UNLIMITED_SELECT 1
206 221
207/* 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 */
208 223
209/* try to deduce the maximum number of signals on this platform */ 224/* try to deduce the maximum number of signals on this platform */
210#if defined (EV_NSIG) 225#if defined EV_NSIG
211/* use what's provided */ 226/* use what's provided */
212#elif defined (NSIG) 227#elif defined NSIG
213# define EV_NSIG (NSIG) 228# define EV_NSIG (NSIG)
214#elif defined(_NSIG) 229#elif defined _NSIG
215# define EV_NSIG (_NSIG) 230# define EV_NSIG (_NSIG)
216#elif defined (SIGMAX) 231#elif defined SIGMAX
217# define EV_NSIG (SIGMAX+1) 232# define EV_NSIG (SIGMAX+1)
218#elif defined (SIG_MAX) 233#elif defined SIG_MAX
219# define EV_NSIG (SIG_MAX+1) 234# define EV_NSIG (SIG_MAX+1)
220#elif defined (_SIG_MAX) 235#elif defined _SIG_MAX
221# define EV_NSIG (_SIG_MAX+1) 236# define EV_NSIG (_SIG_MAX+1)
222#elif defined (MAXSIG) 237#elif defined MAXSIG
223# define EV_NSIG (MAXSIG+1) 238# define EV_NSIG (MAXSIG+1)
224#elif defined (MAX_SIG) 239#elif defined MAX_SIG
225# define EV_NSIG (MAX_SIG+1) 240# define EV_NSIG (MAX_SIG+1)
226#elif defined (SIGARRAYSIZE) 241#elif defined SIGARRAYSIZE
227# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */ 242# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
228#elif defined (_sys_nsig) 243#elif defined _sys_nsig
229# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 244# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
230#else 245#else
231# error "unable to find value for NSIG, please report" 246# error "unable to find value for NSIG, please report"
232/* to make it compile regardless, just remove the above line, */ 247/* to make it compile regardless, just remove the above line, */
233/* but consider reporting it, too! :) */ 248/* but consider reporting it, too! :) */
234# define EV_NSIG 65 249# define EV_NSIG 65
235#endif 250#endif
236 251
252#ifndef EV_USE_FLOOR
253# define EV_USE_FLOOR 0
254#endif
255
237#ifndef EV_USE_CLOCK_SYSCALL 256#ifndef EV_USE_CLOCK_SYSCALL
238# if __linux && __GLIBC__ >= 2 257# if __linux && __GLIBC__ >= 2
239# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS 258# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
240# else 259# else
241# define EV_USE_CLOCK_SYSCALL 0 260# define EV_USE_CLOCK_SYSCALL 0
242# endif 261# endif
243#endif 262#endif
244 263
245#ifndef EV_USE_MONOTONIC 264#ifndef EV_USE_MONOTONIC
246# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 265# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
247# define EV_USE_MONOTONIC EV_FEATURE_OS 266# define EV_USE_MONOTONIC EV_FEATURE_OS
248# else 267# else
249# define EV_USE_MONOTONIC 0 268# define EV_USE_MONOTONIC 0
250# endif 269# endif
251#endif 270#endif
… …
341#endif 360#endif
342 361
343/* 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, */
344/* which makes programs even slower. might work on other unices, too. */ 363/* which makes programs even slower. might work on other unices, too. */
345#if EV_USE_CLOCK_SYSCALL 364#if EV_USE_CLOCK_SYSCALL
346# include <syscall.h> 365# include <sys/syscall.h>
347# ifdef SYS_clock_gettime 366# ifdef SYS_clock_gettime
348# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 367# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
349# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
350# define EV_USE_MONOTONIC 1 369# define EV_USE_MONOTONIC 1
351# else 370# else
… …
377# define EV_USE_INOTIFY 0 396# define EV_USE_INOTIFY 0
378#endif 397#endif
379 398
380#if !EV_USE_NANOSLEEP 399#if !EV_USE_NANOSLEEP
381/* 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 */
382# if !defined(_WIN32) && !defined(__hpux) 401# if !defined _WIN32 && !defined __hpux
383# include <sys/select.h> 402# include <sys/select.h>
384# endif 403# endif
385#endif 404#endif
386 405
387#if EV_USE_INOTIFY 406#if EV_USE_INOTIFY
… …
390/* 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 */
391# ifndef IN_DONT_FOLLOW 410# ifndef IN_DONT_FOLLOW
392# undef EV_USE_INOTIFY 411# undef EV_USE_INOTIFY
393# define EV_USE_INOTIFY 0 412# define EV_USE_INOTIFY 0
394# endif 413# endif
395#endif
396
397#if EV_SELECT_IS_WINSOCKET
398# include <winsock.h>
399#endif 414#endif
400 415
401#if EV_USE_EVENTFD 416#if EV_USE_EVENTFD
402/* 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 */
403# include <stdint.h> 418# include <stdint.h>
… …
443#else 458#else
444# define EV_FREQUENT_CHECK do { } while (0) 459# define EV_FREQUENT_CHECK do { } while (0)
445#endif 460#endif
446 461
447/* 462/*
448 * This is used to avoid floating point rounding problems. 463 * This is used to work around floating point rounding problems.
449 * It is added to ev_rt_now when scheduling periodics
450 * to ensure progress, time-wise, even when rounding
451 * errors are against us.
452 * This value is good at least till the year 4000. 464 * This value is good at least till the year 4000.
453 * Better solutions welcome.
454 */ 465 */
455#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 466#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
467/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
456 468
457#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 469#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
458#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 470#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
459 471
460#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) 472#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
461#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) 473#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
462 474
475/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
476/* ECB.H BEGIN */
477/*
478 * libecb - http://software.schmorp.de/pkg/libecb
479 *
480 * Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
481 * Copyright (©) 2011 Emanuele Giaquinta
482 * All rights reserved.
483 *
484 * Redistribution and use in source and binary forms, with or without modifica-
485 * tion, are permitted provided that the following conditions are met:
486 *
487 * 1. Redistributions of source code must retain the above copyright notice,
488 * this list of conditions and the following disclaimer.
489 *
490 * 2. Redistributions in binary form must reproduce the above copyright
491 * notice, this list of conditions and the following disclaimer in the
492 * documentation and/or other materials provided with the distribution.
493 *
494 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
495 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
496 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
497 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
498 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
499 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
500 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
501 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
502 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
503 * OF THE POSSIBILITY OF SUCH DAMAGE.
504 */
505
506#ifndef ECB_H
507#define ECB_H
508
509/* 16 bits major, 16 bits minor */
510#define ECB_VERSION 0x00010001
511
512#ifdef _WIN32
513 typedef signed char int8_t;
514 typedef unsigned char uint8_t;
515 typedef signed short int16_t;
516 typedef unsigned short uint16_t;
517 typedef signed int int32_t;
518 typedef unsigned int uint32_t;
463#if __GNUC__ >= 4 519 #if __GNUC__
464# define expect(expr,value) __builtin_expect ((expr),(value)) 520 typedef signed long long int64_t;
465# define noinline __attribute__ ((noinline)) 521 typedef unsigned long long uint64_t;
522 #else /* _MSC_VER || __BORLANDC__ */
523 typedef signed __int64 int64_t;
524 typedef unsigned __int64 uint64_t;
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;
466#else 536#else
467# define expect(expr,value) (expr) 537 #include <inttypes.h>
468# define noinline 538 #if UINTMAX_MAX > 0xffffffffU
469# if __STDC_VERSION__ < 199901L && __GNUC__ < 2 539 #define ECB_PTRSIZE 8
470# define inline 540 #else
541 #define ECB_PTRSIZE 4
542 #endif
471# endif 543#endif
544
545/* many compilers define _GNUC_ to some versions but then only implement
546 * what their idiot authors think are the "more important" extensions,
547 * causing enormous grief in return for some better fake benchmark numbers.
548 * or so.
549 * we try to detect these and simply assume they are not gcc - if they have
550 * an issue with that they should have done it right in the first place.
551 */
552#ifndef ECB_GCC_VERSION
553 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
554 #define ECB_GCC_VERSION(major,minor) 0
555 #else
556 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
472#endif 557 #endif
558#endif
473 559
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
567/*****************************************************************************/
568
569/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
570/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
571
572#if ECB_NO_THREADS
573 #define ECB_NO_SMP 1
574#endif
575
576#if ECB_NO_SMP
577 #define ECB_MEMORY_FENCE do { } while (0)
578#endif
579
580#ifndef ECB_MEMORY_FENCE
581 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
582 #if __i386 || __i386__
583 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
584 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
585 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
586 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
587 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
588 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
589 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
590 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
591 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
592 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
593 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
594 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
595 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
596 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
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")
613 #endif
614 #endif
615#endif
616
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)
624 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
625 #define ECB_MEMORY_FENCE __sync_synchronize ()
626 #elif _MSC_VER >= 1400 /* VC++ 2005 */
627 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
628 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
629 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
630 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
631 #elif defined _WIN32
632 #include <WinNT.h>
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)
652 #endif
653#endif
654
655#ifndef ECB_MEMORY_FENCE
656 #if !ECB_AVOID_PTHREADS
657 /*
658 * if you get undefined symbol references to pthread_mutex_lock,
659 * or failure to find pthread.h, then you should implement
660 * the ECB_MEMORY_FENCE operations for your cpu/compiler
661 * OR provide pthread.h and link against the posix thread library
662 * of your system.
663 */
664 #include <pthread.h>
665 #define ECB_NEEDS_PTHREADS 1
666 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
667
668 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
669 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
670 #endif
671#endif
672
673#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
674 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
675#endif
676
677#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
678 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
679#endif
680
681/*****************************************************************************/
682
683#if __cplusplus
684 #define ecb_inline static inline
685#elif ECB_GCC_VERSION(2,5)
686 #define ecb_inline static __inline__
687#elif ECB_C99
688 #define ecb_inline static inline
689#else
690 #define ecb_inline static
691#endif
692
693#if ECB_GCC_VERSION(3,3)
694 #define ecb_restrict __restrict__
695#elif ECB_C99
696 #define ecb_restrict restrict
697#else
698 #define ecb_restrict
699#endif
700
701typedef int ecb_bool;
702
703#define ECB_CONCAT_(a, b) a ## b
704#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
705#define ECB_STRINGIFY_(a) # a
706#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
707
708#define ecb_function_ ecb_inline
709
710#if ECB_GCC_VERSION(3,1)
711 #define ecb_attribute(attrlist) __attribute__(attrlist)
712 #define ecb_is_constant(expr) __builtin_constant_p (expr)
713 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
714 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
715#else
716 #define ecb_attribute(attrlist)
717 #define ecb_is_constant(expr) 0
718 #define ecb_expect(expr,value) (expr)
719 #define ecb_prefetch(addr,rw,locality)
720#endif
721
722/* no emulation for ecb_decltype */
723#if ECB_GCC_VERSION(4,5)
724 #define ecb_decltype(x) __decltype(x)
725#elif ECB_GCC_VERSION(3,0)
726 #define ecb_decltype(x) __typeof(x)
727#endif
728
729#define ecb_noinline ecb_attribute ((__noinline__))
730#define ecb_unused ecb_attribute ((__unused__))
731#define ecb_const ecb_attribute ((__const__))
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
739
740#if ECB_GCC_VERSION(4,3)
741 #define ecb_artificial ecb_attribute ((__artificial__))
742 #define ecb_hot ecb_attribute ((__hot__))
743 #define ecb_cold ecb_attribute ((__cold__))
744#else
745 #define ecb_artificial
746 #define ecb_hot
747 #define ecb_cold
748#endif
749
750/* put around conditional expressions if you are very sure that the */
751/* expression is mostly true or mostly false. note that these return */
752/* booleans, not the expression. */
474#define expect_false(expr) expect ((expr) != 0, 0) 753#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
475#define expect_true(expr) expect ((expr) != 0, 1) 754#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
755/* for compatibility to the rest of the world */
756#define ecb_likely(expr) ecb_expect_true (expr)
757#define ecb_unlikely(expr) ecb_expect_false (expr)
758
759/* count trailing zero bits and count # of one bits */
760#if ECB_GCC_VERSION(3,4)
761 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
762 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
763 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
764 #define ecb_ctz32(x) __builtin_ctz (x)
765 #define ecb_ctz64(x) __builtin_ctzll (x)
766 #define ecb_popcount32(x) __builtin_popcount (x)
767 /* no popcountll */
768#else
769 ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
770 ecb_function_ int
771 ecb_ctz32 (uint32_t x)
772 {
773 int r = 0;
774
775 x &= ~x + 1; /* this isolates the lowest bit */
776
777#if ECB_branchless_on_i386
778 r += !!(x & 0xaaaaaaaa) << 0;
779 r += !!(x & 0xcccccccc) << 1;
780 r += !!(x & 0xf0f0f0f0) << 2;
781 r += !!(x & 0xff00ff00) << 3;
782 r += !!(x & 0xffff0000) << 4;
783#else
784 if (x & 0xaaaaaaaa) r += 1;
785 if (x & 0xcccccccc) r += 2;
786 if (x & 0xf0f0f0f0) r += 4;
787 if (x & 0xff00ff00) r += 8;
788 if (x & 0xffff0000) r += 16;
789#endif
790
791 return r;
792 }
793
794 ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
795 ecb_function_ int
796 ecb_ctz64 (uint64_t x)
797 {
798 int shift = x & 0xffffffffU ? 0 : 32;
799 return ecb_ctz32 (x >> shift) + shift;
800 }
801
802 ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
803 ecb_function_ int
804 ecb_popcount32 (uint32_t x)
805 {
806 x -= (x >> 1) & 0x55555555;
807 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
808 x = ((x >> 4) + x) & 0x0f0f0f0f;
809 x *= 0x01010101;
810
811 return x >> 24;
812 }
813
814 ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
815 ecb_function_ int ecb_ld32 (uint32_t x)
816 {
817 int r = 0;
818
819 if (x >> 16) { x >>= 16; r += 16; }
820 if (x >> 8) { x >>= 8; r += 8; }
821 if (x >> 4) { x >>= 4; r += 4; }
822 if (x >> 2) { x >>= 2; r += 2; }
823 if (x >> 1) { r += 1; }
824
825 return r;
826 }
827
828 ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
829 ecb_function_ int ecb_ld64 (uint64_t x)
830 {
831 int r = 0;
832
833 if (x >> 32) { x >>= 32; r += 32; }
834
835 return r + ecb_ld32 (x);
836 }
837#endif
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
874/* popcount64 is only available on 64 bit cpus as gcc builtin */
875/* so for this version we are lazy */
876ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
877ecb_function_ int
878ecb_popcount64 (uint64_t x)
879{
880 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
881}
882
883ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
884ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
885ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
886ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
887ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
888ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
889ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
890ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
891
892ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
893ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
894ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
895ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
896ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
897ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
898ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
899ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
900
901#if ECB_GCC_VERSION(4,3)
902 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
903 #define ecb_bswap32(x) __builtin_bswap32 (x)
904 #define ecb_bswap64(x) __builtin_bswap64 (x)
905#else
906 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
907 ecb_function_ uint16_t
908 ecb_bswap16 (uint16_t x)
909 {
910 return ecb_rotl16 (x, 8);
911 }
912
913 ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
914 ecb_function_ uint32_t
915 ecb_bswap32 (uint32_t x)
916 {
917 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
918 }
919
920 ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
921 ecb_function_ uint64_t
922 ecb_bswap64 (uint64_t x)
923 {
924 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
925 }
926#endif
927
928#if ECB_GCC_VERSION(4,5)
929 #define ecb_unreachable() __builtin_unreachable ()
930#else
931 /* this seems to work fine, but gcc always emits a warning for it :/ */
932 ecb_inline void ecb_unreachable (void) ecb_noreturn;
933 ecb_inline void ecb_unreachable (void) { }
934#endif
935
936/* try to tell the compiler that some condition is definitely true */
937#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
938
939ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
940ecb_inline unsigned char
941ecb_byteorder_helper (void)
942{
943 const uint32_t u = 0x11223344;
944 return *(unsigned char *)&u;
945}
946
947ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
948ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
949ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
950ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
951
952#if ECB_GCC_VERSION(3,0) || ECB_C99
953 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
954#else
955 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
956#endif
957
958#if __cplusplus
959 template<typename T>
960 static inline T ecb_div_rd (T val, T div)
961 {
962 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
963 }
964 template<typename T>
965 static inline T ecb_div_ru (T val, T div)
966 {
967 return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
968 }
969#else
970 #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
971 #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
972#endif
973
974#if ecb_cplusplus_does_not_suck
975 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
976 template<typename T, int N>
977 static inline int ecb_array_length (const T (&arr)[N])
978 {
979 return N;
980 }
981#else
982 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
983#endif
984
985#endif
986
987/* ECB.H END */
988
989#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
990/* if your architecture doesn't need memory fences, e.g. because it is
991 * single-cpu/core, or if you use libev in a project that doesn't use libev
992 * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
993 * libev, in which cases the memory fences become nops.
994 * alternatively, you can remove this #error and link against libpthread,
995 * which will then provide the memory fences.
996 */
997# error "memory fences not defined for your architecture, please report"
998#endif
999
1000#ifndef ECB_MEMORY_FENCE
1001# define ECB_MEMORY_FENCE do { } while (0)
1002# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1003# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1004#endif
1005
1006#define expect_false(cond) ecb_expect_false (cond)
1007#define expect_true(cond) ecb_expect_true (cond)
1008#define noinline ecb_noinline
1009
476#define inline_size static inline 1010#define inline_size ecb_inline
477 1011
478#if EV_FEATURE_CODE 1012#if EV_FEATURE_CODE
479# define inline_speed static inline 1013# define inline_speed ecb_inline
480#else 1014#else
481# define inline_speed static noinline 1015# define inline_speed static noinline
482#endif 1016#endif
483 1017
484#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1018#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
… …
523# include "ev_win32.c" 1057# include "ev_win32.c"
524#endif 1058#endif
525 1059
526/*****************************************************************************/ 1060/*****************************************************************************/
527 1061
1062/* define a suitable floor function (only used by periodics atm) */
1063
1064#if EV_USE_FLOOR
1065# include <math.h>
1066# define ev_floor(v) floor (v)
1067#else
1068
1069#include <float.h>
1070
1071/* a floor() replacement function, should be independent of ev_tstamp type */
1072static ev_tstamp noinline
1073ev_floor (ev_tstamp v)
1074{
1075 /* the choice of shift factor is not terribly important */
1076#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1077 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1078#else
1079 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1080#endif
1081
1082 /* argument too large for an unsigned long? */
1083 if (expect_false (v >= shift))
1084 {
1085 ev_tstamp f;
1086
1087 if (v == v - 1.)
1088 return v; /* very large number */
1089
1090 f = shift * ev_floor (v * (1. / shift));
1091 return f + ev_floor (v - f);
1092 }
1093
1094 /* special treatment for negative args? */
1095 if (expect_false (v < 0.))
1096 {
1097 ev_tstamp f = -ev_floor (-v);
1098
1099 return f - (f == v ? 0 : 1);
1100 }
1101
1102 /* fits into an unsigned long */
1103 return (unsigned long)v;
1104}
1105
1106#endif
1107
1108/*****************************************************************************/
1109
528#ifdef __linux 1110#ifdef __linux
529# include <sys/utsname.h> 1111# include <sys/utsname.h>
530#endif 1112#endif
531 1113
532static unsigned int noinline 1114static unsigned int noinline ecb_cold
533ev_linux_version (void) 1115ev_linux_version (void)
534{ 1116{
535#ifdef __linux 1117#ifdef __linux
536 unsigned int v = 0; 1118 unsigned int v = 0;
537 struct utsname buf; 1119 struct utsname buf;
… …
566} 1148}
567 1149
568/*****************************************************************************/ 1150/*****************************************************************************/
569 1151
570#if EV_AVOID_STDIO 1152#if EV_AVOID_STDIO
571static void noinline 1153static void noinline ecb_cold
572ev_printerr (const char *msg) 1154ev_printerr (const char *msg)
573{ 1155{
574 write (STDERR_FILENO, msg, strlen (msg)); 1156 write (STDERR_FILENO, msg, strlen (msg));
575} 1157}
576#endif 1158#endif
577 1159
578static void (*syserr_cb)(const char *msg); 1160static void (*syserr_cb)(const char *msg) EV_THROW;
579 1161
580void 1162void ecb_cold
581ev_set_syserr_cb (void (*cb)(const char *msg)) 1163ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
582{ 1164{
583 syserr_cb = cb; 1165 syserr_cb = cb;
584} 1166}
585 1167
586static void noinline 1168static void noinline ecb_cold
587ev_syserr (const char *msg) 1169ev_syserr (const char *msg)
588{ 1170{
589 if (!msg) 1171 if (!msg)
590 msg = "(libev) system error"; 1172 msg = "(libev) system error";
591 1173
… …
604 abort (); 1186 abort ();
605 } 1187 }
606} 1188}
607 1189
608static void * 1190static void *
609ev_realloc_emul (void *ptr, long size) 1191ev_realloc_emul (void *ptr, long size) EV_THROW
610{ 1192{
611#if __GLIBC__ 1193#if __GLIBC__
612 return realloc (ptr, size); 1194 return realloc (ptr, size);
613#else 1195#else
614 /* some systems, notably openbsd and darwin, fail to properly 1196 /* some systems, notably openbsd and darwin, fail to properly
… …
622 free (ptr); 1204 free (ptr);
623 return 0; 1205 return 0;
624#endif 1206#endif
625} 1207}
626 1208
627static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1209static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
628 1210
629void 1211void ecb_cold
630ev_set_allocator (void *(*cb)(void *ptr, long size)) 1212ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
631{ 1213{
632 alloc = cb; 1214 alloc = cb;
633} 1215}
634 1216
635inline_speed void * 1217inline_speed void *
… …
723 #undef VAR 1305 #undef VAR
724 }; 1306 };
725 #include "ev_wrap.h" 1307 #include "ev_wrap.h"
726 1308
727 static struct ev_loop default_loop_struct; 1309 static struct ev_loop default_loop_struct;
728 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 */
729 1311
730#else 1312#else
731 1313
732 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 */
733 #define VAR(name,decl) static decl; 1315 #define VAR(name,decl) static decl;
734 #include "ev_vars.h" 1316 #include "ev_vars.h"
735 #undef VAR 1317 #undef VAR
736 1318
737 static int ev_default_loop_ptr; 1319 static int ev_default_loop_ptr;
… …
752 1334
753/*****************************************************************************/ 1335/*****************************************************************************/
754 1336
755#ifndef EV_HAVE_EV_TIME 1337#ifndef EV_HAVE_EV_TIME
756ev_tstamp 1338ev_tstamp
757ev_time (void) 1339ev_time (void) EV_THROW
758{ 1340{
759#if EV_USE_REALTIME 1341#if EV_USE_REALTIME
760 if (expect_true (have_realtime)) 1342 if (expect_true (have_realtime))
761 { 1343 {
762 struct timespec ts; 1344 struct timespec ts;
… …
786 return ev_time (); 1368 return ev_time ();
787} 1369}
788 1370
789#if EV_MULTIPLICITY 1371#if EV_MULTIPLICITY
790ev_tstamp 1372ev_tstamp
791ev_now (EV_P) 1373ev_now (EV_P) EV_THROW
792{ 1374{
793 return ev_rt_now; 1375 return ev_rt_now;
794} 1376}
795#endif 1377#endif
796 1378
797void 1379void
798ev_sleep (ev_tstamp delay) 1380ev_sleep (ev_tstamp delay) EV_THROW
799{ 1381{
800 if (delay > 0.) 1382 if (delay > 0.)
801 { 1383 {
802#if EV_USE_NANOSLEEP 1384#if EV_USE_NANOSLEEP
803 struct timespec ts; 1385 struct timespec ts;
804 1386
805 EV_TS_SET (ts, delay); 1387 EV_TS_SET (ts, delay);
806 nanosleep (&ts, 0); 1388 nanosleep (&ts, 0);
807#elif defined(_WIN32) 1389#elif defined _WIN32
808 Sleep ((unsigned long)(delay * 1e3)); 1390 Sleep ((unsigned long)(delay * 1e3));
809#else 1391#else
810 struct timeval tv; 1392 struct timeval tv;
811 1393
812 /* 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 */
… …
816 select (0, 0, 0, 0, &tv); 1398 select (0, 0, 0, 0, &tv);
817#endif 1399#endif
818 } 1400 }
819} 1401}
820 1402
821inline_speed int
822ev_timeout_to_ms (ev_tstamp timeout)
823{
824 int ms = timeout * 1000. + .999999;
825
826 return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
827}
828
829/*****************************************************************************/ 1403/*****************************************************************************/
830 1404
831#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 1405#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
832 1406
833/* find a suitable new size for the given array, */ 1407/* find a suitable new size for the given array, */
… …
839 1413
840 do 1414 do
841 ncur <<= 1; 1415 ncur <<= 1;
842 while (cnt > ncur); 1416 while (cnt > ncur);
843 1417
844 /* 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 */
845 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4) 1419 if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
846 { 1420 {
847 ncur *= elem; 1421 ncur *= elem;
848 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);
849 ncur = ncur - sizeof (void *) * 4; 1423 ncur = ncur - sizeof (void *) * 4;
… …
851 } 1425 }
852 1426
853 return ncur; 1427 return ncur;
854} 1428}
855 1429
856static noinline void * 1430static void * noinline ecb_cold
857array_realloc (int elem, void *base, int *cur, int cnt) 1431array_realloc (int elem, void *base, int *cur, int cnt)
858{ 1432{
859 *cur = array_nextsize (elem, *cur, cnt); 1433 *cur = array_nextsize (elem, *cur, cnt);
860 return ev_realloc (base, elem * *cur); 1434 return ev_realloc (base, elem * *cur);
861} 1435}
… …
864 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1438 memset ((void *)(base), 0, sizeof (*(base)) * (count))
865 1439
866#define array_needsize(type,base,cur,cnt,init) \ 1440#define array_needsize(type,base,cur,cnt,init) \
867 if (expect_false ((cnt) > (cur))) \ 1441 if (expect_false ((cnt) > (cur))) \
868 { \ 1442 { \
869 int ocur_ = (cur); \ 1443 int ecb_unused ocur_ = (cur); \
870 (base) = (type *)array_realloc \ 1444 (base) = (type *)array_realloc \
871 (sizeof (type), (base), &(cur), (cnt)); \ 1445 (sizeof (type), (base), &(cur), (cnt)); \
872 init ((base) + (ocur_), (cur) - ocur_); \ 1446 init ((base) + (ocur_), (cur) - ocur_); \
873 } 1447 }
874 1448
… …
892pendingcb (EV_P_ ev_prepare *w, int revents) 1466pendingcb (EV_P_ ev_prepare *w, int revents)
893{ 1467{
894} 1468}
895 1469
896void noinline 1470void noinline
897ev_feed_event (EV_P_ void *w, int revents) 1471ev_feed_event (EV_P_ void *w, int revents) EV_THROW
898{ 1472{
899 W w_ = (W)w; 1473 W w_ = (W)w;
900 int pri = ABSPRI (w_); 1474 int pri = ABSPRI (w_);
901 1475
902 if (expect_false (w_->pending)) 1476 if (expect_false (w_->pending))
… …
906 w_->pending = ++pendingcnt [pri]; 1480 w_->pending = ++pendingcnt [pri];
907 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); 1481 array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
908 pendings [pri][w_->pending - 1].w = w_; 1482 pendings [pri][w_->pending - 1].w = w_;
909 pendings [pri][w_->pending - 1].events = revents; 1483 pendings [pri][w_->pending - 1].events = revents;
910 } 1484 }
1485
1486 pendingpri = NUMPRI - 1;
911} 1487}
912 1488
913inline_speed void 1489inline_speed void
914feed_reverse (EV_P_ W w) 1490feed_reverse (EV_P_ W w)
915{ 1491{
… …
961 if (expect_true (!anfd->reify)) 1537 if (expect_true (!anfd->reify))
962 fd_event_nocheck (EV_A_ fd, revents); 1538 fd_event_nocheck (EV_A_ fd, revents);
963} 1539}
964 1540
965void 1541void
966ev_feed_fd_event (EV_P_ int fd, int revents) 1542ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
967{ 1543{
968 if (fd >= 0 && fd < anfdmax) 1544 if (fd >= 0 && fd < anfdmax)
969 fd_event_nocheck (EV_A_ fd, revents); 1545 fd_event_nocheck (EV_A_ fd, revents);
970} 1546}
971 1547
… …
974inline_size void 1550inline_size void
975fd_reify (EV_P) 1551fd_reify (EV_P)
976{ 1552{
977 int i; 1553 int i;
978 1554
1555#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1556 for (i = 0; i < fdchangecnt; ++i)
1557 {
1558 int fd = fdchanges [i];
1559 ANFD *anfd = anfds + fd;
1560
1561 if (anfd->reify & EV__IOFDSET && anfd->head)
1562 {
1563 SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
1564
1565 if (handle != anfd->handle)
1566 {
1567 unsigned long arg;
1568
1569 assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
1570
1571 /* handle changed, but fd didn't - we need to do it in two steps */
1572 backend_modify (EV_A_ fd, anfd->events, 0);
1573 anfd->events = 0;
1574 anfd->handle = handle;
1575 }
1576 }
1577 }
1578#endif
1579
979 for (i = 0; i < fdchangecnt; ++i) 1580 for (i = 0; i < fdchangecnt; ++i)
980 { 1581 {
981 int fd = fdchanges [i]; 1582 int fd = fdchanges [i];
982 ANFD *anfd = anfds + fd; 1583 ANFD *anfd = anfds + fd;
983 ev_io *w; 1584 ev_io *w;
… …
985 unsigned char o_events = anfd->events; 1586 unsigned char o_events = anfd->events;
986 unsigned char o_reify = anfd->reify; 1587 unsigned char o_reify = anfd->reify;
987 1588
988 anfd->reify = 0; 1589 anfd->reify = 0;
989 1590
990#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
991 if (o_reify & EV__IOFDSET)
992 {
993 unsigned long arg;
994 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
995 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
996 printf ("oi %d %x\n", fd, anfd->handle);//D
997 }
998#endif
999
1000 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ 1591 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1001 { 1592 {
1002 anfd->events = 0; 1593 anfd->events = 0;
1003 1594
1004 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1595 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
… …
1029 fdchanges [fdchangecnt - 1] = fd; 1620 fdchanges [fdchangecnt - 1] = fd;
1030 } 1621 }
1031} 1622}
1032 1623
1033/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 1624/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1034inline_speed void 1625inline_speed void ecb_cold
1035fd_kill (EV_P_ int fd) 1626fd_kill (EV_P_ int fd)
1036{ 1627{
1037 ev_io *w; 1628 ev_io *w;
1038 1629
1039 while ((w = (ev_io *)anfds [fd].head)) 1630 while ((w = (ev_io *)anfds [fd].head))
… …
1042 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1633 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1043 } 1634 }
1044} 1635}
1045 1636
1046/* check whether the given fd is actually valid, for error recovery */ 1637/* check whether the given fd is actually valid, for error recovery */
1047inline_size int 1638inline_size int ecb_cold
1048fd_valid (int fd) 1639fd_valid (int fd)
1049{ 1640{
1050#ifdef _WIN32 1641#ifdef _WIN32
1051 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 1642 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1052#else 1643#else
1053 return fcntl (fd, F_GETFD) != -1; 1644 return fcntl (fd, F_GETFD) != -1;
1054#endif 1645#endif
1055} 1646}
1056 1647
1057/* called on EBADF to verify fds */ 1648/* called on EBADF to verify fds */
1058static void noinline 1649static void noinline ecb_cold
1059fd_ebadf (EV_P) 1650fd_ebadf (EV_P)
1060{ 1651{
1061 int fd; 1652 int fd;
1062 1653
1063 for (fd = 0; fd < anfdmax; ++fd) 1654 for (fd = 0; fd < anfdmax; ++fd)
… …
1065 if (!fd_valid (fd) && errno == EBADF) 1656 if (!fd_valid (fd) && errno == EBADF)
1066 fd_kill (EV_A_ fd); 1657 fd_kill (EV_A_ fd);
1067} 1658}
1068 1659
1069/* called on ENOMEM in select/poll to kill some fds and retry */ 1660/* called on ENOMEM in select/poll to kill some fds and retry */
1070static void noinline 1661static void noinline ecb_cold
1071fd_enomem (EV_P) 1662fd_enomem (EV_P)
1072{ 1663{
1073 int fd; 1664 int fd;
1074 1665
1075 for (fd = anfdmax; fd--; ) 1666 for (fd = anfdmax; fd--; )
… …
1270 1861
1271/*****************************************************************************/ 1862/*****************************************************************************/
1272 1863
1273#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 1864#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1274 1865
1275static void noinline 1866static void noinline ecb_cold
1276evpipe_init (EV_P) 1867evpipe_init (EV_P)
1277{ 1868{
1278 if (!ev_is_active (&pipe_w)) 1869 if (!ev_is_active (&pipe_w))
1279 { 1870 {
1280# if EV_USE_EVENTFD 1871# if EV_USE_EVENTFD
… …
1302 ev_io_start (EV_A_ &pipe_w); 1893 ev_io_start (EV_A_ &pipe_w);
1303 ev_unref (EV_A); /* watcher should not keep loop alive */ 1894 ev_unref (EV_A); /* watcher should not keep loop alive */
1304 } 1895 }
1305} 1896}
1306 1897
1307inline_size void 1898inline_speed void
1308evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1899evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1309{ 1900{
1310 if (!*flag) 1901 ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1902
1903 if (expect_true (*flag))
1904 return;
1905
1906 *flag = 1;
1907 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1908
1909 pipe_write_skipped = 1;
1910
1911 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1912
1913 if (pipe_write_wanted)
1311 { 1914 {
1915 int old_errno;
1916
1917 pipe_write_skipped = 0;
1918 ECB_MEMORY_FENCE_RELEASE;
1919
1312 int old_errno = errno; /* save errno because write might clobber it */ 1920 old_errno = errno; /* save errno because write will clobber it */
1313 char dummy;
1314
1315 *flag = 1;
1316 1921
1317#if EV_USE_EVENTFD 1922#if EV_USE_EVENTFD
1318 if (evfd >= 0) 1923 if (evfd >= 0)
1319 { 1924 {
1320 uint64_t counter = 1; 1925 uint64_t counter = 1;
1321 write (evfd, &counter, sizeof (uint64_t)); 1926 write (evfd, &counter, sizeof (uint64_t));
1322 } 1927 }
1323 else 1928 else
1324#endif 1929#endif
1325 /* win32 people keep sending patches that change this write() to send() */ 1930 {
1326 /* and then run away. but send() is wrong, it wants a socket handle on win32 */ 1931#ifdef _WIN32
1327 /* so when you think this write should be a send instead, please find out */ 1932 WSABUF buf;
1328 /* where your send() is from - it's definitely not the microsoft send, and */ 1933 DWORD sent;
1329 /* tell me. thank you. */ 1934 buf.buf = &buf;
1935 buf.len = 1;
1936 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1937#else
1330 write (evpipe [1], &dummy, 1); 1938 write (evpipe [1], &(evpipe [1]), 1);
1939#endif
1940 }
1331 1941
1332 errno = old_errno; 1942 errno = old_errno;
1333 } 1943 }
1334} 1944}
1335 1945
… …
1338static void 1948static void
1339pipecb (EV_P_ ev_io *iow, int revents) 1949pipecb (EV_P_ ev_io *iow, int revents)
1340{ 1950{
1341 int i; 1951 int i;
1342 1952
1953 if (revents & EV_READ)
1954 {
1343#if EV_USE_EVENTFD 1955#if EV_USE_EVENTFD
1344 if (evfd >= 0) 1956 if (evfd >= 0)
1345 { 1957 {
1346 uint64_t counter; 1958 uint64_t counter;
1347 read (evfd, &counter, sizeof (uint64_t)); 1959 read (evfd, &counter, sizeof (uint64_t));
1348 } 1960 }
1349 else 1961 else
1350#endif 1962#endif
1351 { 1963 {
1352 char dummy; 1964 char dummy[4];
1353 /* 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
1354 read (evpipe [0], &dummy, 1); 1973 read (evpipe [0], &dummy, sizeof (dummy));
1974#endif
1975 }
1355 } 1976 }
1977
1978 pipe_write_skipped = 0;
1979
1980 ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1356 1981
1357#if EV_SIGNAL_ENABLE 1982#if EV_SIGNAL_ENABLE
1358 if (sig_pending) 1983 if (sig_pending)
1359 { 1984 {
1360 sig_pending = 0; 1985 sig_pending = 0;
1986
1987 ECB_MEMORY_FENCE;
1361 1988
1362 for (i = EV_NSIG - 1; i--; ) 1989 for (i = EV_NSIG - 1; i--; )
1363 if (expect_false (signals [i].pending)) 1990 if (expect_false (signals [i].pending))
1364 ev_feed_signal_event (EV_A_ i + 1); 1991 ev_feed_signal_event (EV_A_ i + 1);
1365 } 1992 }
… …
1367 1994
1368#if EV_ASYNC_ENABLE 1995#if EV_ASYNC_ENABLE
1369 if (async_pending) 1996 if (async_pending)
1370 { 1997 {
1371 async_pending = 0; 1998 async_pending = 0;
1999
2000 ECB_MEMORY_FENCE;
1372 2001
1373 for (i = asynccnt; i--; ) 2002 for (i = asynccnt; i--; )
1374 if (asyncs [i]->sent) 2003 if (asyncs [i]->sent)
1375 { 2004 {
1376 asyncs [i]->sent = 0; 2005 asyncs [i]->sent = 0;
2006 ECB_MEMORY_FENCE_RELEASE;
1377 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC); 2007 ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1378 } 2008 }
1379 } 2009 }
1380#endif 2010#endif
1381} 2011}
1382 2012
1383/*****************************************************************************/ 2013/*****************************************************************************/
1384 2014
1385void 2015void
1386ev_feed_signal (int signum) 2016ev_feed_signal (int signum) EV_THROW
1387{ 2017{
1388#if EV_MULTIPLICITY 2018#if EV_MULTIPLICITY
1389 EV_P = signals [signum - 1].loop; 2019 EV_P = signals [signum - 1].loop;
1390 2020
1391 if (!EV_A) 2021 if (!EV_A)
1392 return; 2022 return;
1393#endif 2023#endif
1394 2024
2025 if (!ev_active (&pipe_w))
2026 return;
2027
1395 signals [signum - 1].pending = 1; 2028 signals [signum - 1].pending = 1;
1396 evpipe_write (EV_A_ &sig_pending); 2029 evpipe_write (EV_A_ &sig_pending);
1397} 2030}
1398 2031
1399static void 2032static void
… …
1405 2038
1406 ev_feed_signal (signum); 2039 ev_feed_signal (signum);
1407} 2040}
1408 2041
1409void noinline 2042void noinline
1410ev_feed_signal_event (EV_P_ int signum) 2043ev_feed_signal_event (EV_P_ int signum) EV_THROW
1411{ 2044{
1412 WL w; 2045 WL w;
1413 2046
1414 if (expect_false (signum <= 0 || signum > EV_NSIG)) 2047 if (expect_false (signum <= 0 || signum > EV_NSIG))
1415 return; 2048 return;
… …
1423 if (expect_false (signals [signum].loop != EV_A)) 2056 if (expect_false (signals [signum].loop != EV_A))
1424 return; 2057 return;
1425#endif 2058#endif
1426 2059
1427 signals [signum].pending = 0; 2060 signals [signum].pending = 0;
2061 ECB_MEMORY_FENCE_RELEASE;
1428 2062
1429 for (w = signals [signum].head; w; w = w->next) 2063 for (w = signals [signum].head; w; w = w->next)
1430 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 2064 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1431} 2065}
1432 2066
… …
1530#endif 2164#endif
1531#if EV_USE_SELECT 2165#if EV_USE_SELECT
1532# include "ev_select.c" 2166# include "ev_select.c"
1533#endif 2167#endif
1534 2168
1535int 2169int ecb_cold
1536ev_version_major (void) 2170ev_version_major (void) EV_THROW
1537{ 2171{
1538 return EV_VERSION_MAJOR; 2172 return EV_VERSION_MAJOR;
1539} 2173}
1540 2174
1541int 2175int ecb_cold
1542ev_version_minor (void) 2176ev_version_minor (void) EV_THROW
1543{ 2177{
1544 return EV_VERSION_MINOR; 2178 return EV_VERSION_MINOR;
1545} 2179}
1546 2180
1547/* 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 */
1548int inline_size 2182int inline_size ecb_cold
1549enable_secure (void) 2183enable_secure (void)
1550{ 2184{
1551#ifdef _WIN32 2185#ifdef _WIN32
1552 return 0; 2186 return 0;
1553#else 2187#else
1554 return getuid () != geteuid () 2188 return getuid () != geteuid ()
1555 || getgid () != getegid (); 2189 || getgid () != getegid ();
1556#endif 2190#endif
1557} 2191}
1558 2192
1559unsigned int 2193unsigned int ecb_cold
1560ev_supported_backends (void) 2194ev_supported_backends (void) EV_THROW
1561{ 2195{
1562 unsigned int flags = 0; 2196 unsigned int flags = 0;
1563 2197
1564 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2198 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1565 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2199 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
… …
1568 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2202 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
1569 2203
1570 return flags; 2204 return flags;
1571} 2205}
1572 2206
1573unsigned int 2207unsigned int ecb_cold
1574ev_recommended_backends (void) 2208ev_recommended_backends (void) EV_THROW
1575{ 2209{
1576 unsigned int flags = ev_supported_backends (); 2210 unsigned int flags = ev_supported_backends ();
1577 2211
1578#ifndef __NetBSD__ 2212#ifndef __NetBSD__
1579 /* kqueue is borked on everything but netbsd apparently */ 2213 /* kqueue is borked on everything but netbsd apparently */
… …
1590#endif 2224#endif
1591 2225
1592 return flags; 2226 return flags;
1593} 2227}
1594 2228
1595unsigned int 2229unsigned int ecb_cold
1596ev_embeddable_backends (void) 2230ev_embeddable_backends (void) EV_THROW
1597{ 2231{
1598 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2232 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1599 2233
1600 /* 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 */
1601 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 */
… …
1603 2237
1604 return flags; 2238 return flags;
1605} 2239}
1606 2240
1607unsigned int 2241unsigned int
1608ev_backend (EV_P) 2242ev_backend (EV_P) EV_THROW
1609{ 2243{
1610 return backend; 2244 return backend;
1611} 2245}
1612 2246
1613#if EV_FEATURE_API 2247#if EV_FEATURE_API
1614unsigned int 2248unsigned int
1615ev_iteration (EV_P) 2249ev_iteration (EV_P) EV_THROW
1616{ 2250{
1617 return loop_count; 2251 return loop_count;
1618} 2252}
1619 2253
1620unsigned int 2254unsigned int
1621ev_depth (EV_P) 2255ev_depth (EV_P) EV_THROW
1622{ 2256{
1623 return loop_depth; 2257 return loop_depth;
1624} 2258}
1625 2259
1626void 2260void
1627ev_set_io_collect_interval (EV_P_ ev_tstamp interval) 2261ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1628{ 2262{
1629 io_blocktime = interval; 2263 io_blocktime = interval;
1630} 2264}
1631 2265
1632void 2266void
1633ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) 2267ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1634{ 2268{
1635 timeout_blocktime = interval; 2269 timeout_blocktime = interval;
1636} 2270}
1637 2271
1638void 2272void
1639ev_set_userdata (EV_P_ void *data) 2273ev_set_userdata (EV_P_ void *data) EV_THROW
1640{ 2274{
1641 userdata = data; 2275 userdata = data;
1642} 2276}
1643 2277
1644void * 2278void *
1645ev_userdata (EV_P) 2279ev_userdata (EV_P) EV_THROW
1646{ 2280{
1647 return userdata; 2281 return userdata;
1648} 2282}
1649 2283
2284void
1650void ev_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
1651{ 2286{
1652 invoke_cb = invoke_pending_cb; 2287 invoke_cb = invoke_pending_cb;
1653} 2288}
1654 2289
2290void
1655void ev_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
1656{ 2292{
1657 release_cb = release; 2293 release_cb = release;
1658 acquire_cb = acquire; 2294 acquire_cb = acquire;
1659} 2295}
1660#endif 2296#endif
1661 2297
1662/* initialise a loop structure, must be zero-initialised */ 2298/* initialise a loop structure, must be zero-initialised */
1663static void noinline 2299static void noinline ecb_cold
1664loop_init (EV_P_ unsigned int flags) 2300loop_init (EV_P_ unsigned int flags) EV_THROW
1665{ 2301{
1666 if (!backend) 2302 if (!backend)
1667 { 2303 {
1668 origflags = flags; 2304 origflags = flags;
1669 2305
… …
1696 if (!(flags & EVFLAG_NOENV) 2332 if (!(flags & EVFLAG_NOENV)
1697 && !enable_secure () 2333 && !enable_secure ()
1698 && getenv ("LIBEV_FLAGS")) 2334 && getenv ("LIBEV_FLAGS"))
1699 flags = atoi (getenv ("LIBEV_FLAGS")); 2335 flags = atoi (getenv ("LIBEV_FLAGS"));
1700 2336
1701 ev_rt_now = ev_time (); 2337 ev_rt_now = ev_time ();
1702 mn_now = get_clock (); 2338 mn_now = get_clock ();
1703 now_floor = mn_now; 2339 now_floor = mn_now;
1704 rtmn_diff = ev_rt_now - mn_now; 2340 rtmn_diff = ev_rt_now - mn_now;
1705#if EV_FEATURE_API 2341#if EV_FEATURE_API
1706 invoke_cb = ev_invoke_pending; 2342 invoke_cb = ev_invoke_pending;
1707#endif 2343#endif
1708 2344
1709 io_blocktime = 0.; 2345 io_blocktime = 0.;
1710 timeout_blocktime = 0.; 2346 timeout_blocktime = 0.;
1711 backend = 0; 2347 backend = 0;
1712 backend_fd = -1; 2348 backend_fd = -1;
1713 sig_pending = 0; 2349 sig_pending = 0;
1714#if EV_ASYNC_ENABLE 2350#if EV_ASYNC_ENABLE
1715 async_pending = 0; 2351 async_pending = 0;
1716#endif 2352#endif
2353 pipe_write_skipped = 0;
2354 pipe_write_wanted = 0;
1717#if EV_USE_INOTIFY 2355#if EV_USE_INOTIFY
1718 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2356 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1719#endif 2357#endif
1720#if EV_USE_SIGNALFD 2358#if EV_USE_SIGNALFD
1721 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2359 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1722#endif 2360#endif
1723 2361
1724 if (!(flags & EVBACKEND_MASK)) 2362 if (!(flags & EVBACKEND_MASK))
1725 flags |= ev_recommended_backends (); 2363 flags |= ev_recommended_backends ();
1726 2364
… …
1751#endif 2389#endif
1752 } 2390 }
1753} 2391}
1754 2392
1755/* free up a loop structure */ 2393/* free up a loop structure */
1756void 2394void ecb_cold
1757ev_loop_destroy (EV_P) 2395ev_loop_destroy (EV_P)
1758{ 2396{
1759 int i; 2397 int i;
1760 2398
1761#if EV_MULTIPLICITY 2399#if EV_MULTIPLICITY
… …
1772 EV_INVOKE_PENDING; 2410 EV_INVOKE_PENDING;
1773 } 2411 }
1774#endif 2412#endif
1775 2413
1776#if EV_CHILD_ENABLE 2414#if EV_CHILD_ENABLE
1777 if (ev_is_active (&childev)) 2415 if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1778 { 2416 {
1779 ev_ref (EV_A); /* child watcher */ 2417 ev_ref (EV_A); /* child watcher */
1780 ev_signal_stop (EV_A_ &childev); 2418 ev_signal_stop (EV_A_ &childev);
1781 } 2419 }
1782#endif 2420#endif
… …
1891 infy_fork (EV_A); 2529 infy_fork (EV_A);
1892#endif 2530#endif
1893 2531
1894 if (ev_is_active (&pipe_w)) 2532 if (ev_is_active (&pipe_w))
1895 { 2533 {
1896 /* this "locks" the handlers against writing to the pipe */ 2534 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
1897 /* while we modify the fd vars */
1898 sig_pending = 1;
1899#if EV_ASYNC_ENABLE
1900 async_pending = 1;
1901#endif
1902 2535
1903 ev_ref (EV_A); 2536 ev_ref (EV_A);
1904 ev_io_stop (EV_A_ &pipe_w); 2537 ev_io_stop (EV_A_ &pipe_w);
1905 2538
1906#if EV_USE_EVENTFD 2539#if EV_USE_EVENTFD
… …
1924 postfork = 0; 2557 postfork = 0;
1925} 2558}
1926 2559
1927#if EV_MULTIPLICITY 2560#if EV_MULTIPLICITY
1928 2561
1929struct ev_loop * 2562struct ev_loop * ecb_cold
1930ev_loop_new (unsigned int flags) 2563ev_loop_new (unsigned int flags) EV_THROW
1931{ 2564{
1932 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2565 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1933 2566
1934 memset (EV_A, 0, sizeof (struct ev_loop)); 2567 memset (EV_A, 0, sizeof (struct ev_loop));
1935 loop_init (EV_A_ flags); 2568 loop_init (EV_A_ flags);
… …
1942} 2575}
1943 2576
1944#endif /* multiplicity */ 2577#endif /* multiplicity */
1945 2578
1946#if EV_VERIFY 2579#if EV_VERIFY
1947static void noinline 2580static void noinline ecb_cold
1948verify_watcher (EV_P_ W w) 2581verify_watcher (EV_P_ W w)
1949{ 2582{
1950 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 2583 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1951 2584
1952 if (w->pending) 2585 if (w->pending)
1953 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 2586 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1954} 2587}
1955 2588
1956static void noinline 2589static void noinline ecb_cold
1957verify_heap (EV_P_ ANHE *heap, int N) 2590verify_heap (EV_P_ ANHE *heap, int N)
1958{ 2591{
1959 int i; 2592 int i;
1960 2593
1961 for (i = HEAP0; i < N + HEAP0; ++i) 2594 for (i = HEAP0; i < N + HEAP0; ++i)
… …
1966 2599
1967 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 2600 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1968 } 2601 }
1969} 2602}
1970 2603
1971static void noinline 2604static void noinline ecb_cold
1972array_verify (EV_P_ W *ws, int cnt) 2605array_verify (EV_P_ W *ws, int cnt)
1973{ 2606{
1974 while (cnt--) 2607 while (cnt--)
1975 { 2608 {
1976 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 2609 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
… …
1978 } 2611 }
1979} 2612}
1980#endif 2613#endif
1981 2614
1982#if EV_FEATURE_API 2615#if EV_FEATURE_API
1983void 2616void ecb_cold
1984ev_verify (EV_P) 2617ev_verify (EV_P) EV_THROW
1985{ 2618{
1986#if EV_VERIFY 2619#if EV_VERIFY
1987 int i; 2620 int i;
1988 WL w; 2621 WL w, w2;
1989 2622
1990 assert (activecnt >= -1); 2623 assert (activecnt >= -1);
1991 2624
1992 assert (fdchangemax >= fdchangecnt); 2625 assert (fdchangemax >= fdchangecnt);
1993 for (i = 0; i < fdchangecnt; ++i) 2626 for (i = 0; i < fdchangecnt; ++i)
1994 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0)); 2627 assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
1995 2628
1996 assert (anfdmax >= 0); 2629 assert (anfdmax >= 0);
1997 for (i = 0; i < anfdmax; ++i) 2630 for (i = 0; i < anfdmax; ++i)
2631 {
2632 int j = 0;
2633
1998 for (w = anfds [i].head; w; w = w->next) 2634 for (w = w2 = anfds [i].head; w; w = w->next)
1999 { 2635 {
2000 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
2001 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));
2002 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));
2003 } 2646 }
2647 }
2004 2648
2005 assert (timermax >= timercnt); 2649 assert (timermax >= timercnt);
2006 verify_heap (EV_A_ timers, timercnt); 2650 verify_heap (EV_A_ timers, timercnt);
2007 2651
2008#if EV_PERIODIC_ENABLE 2652#if EV_PERIODIC_ENABLE
… …
2054#endif 2698#endif
2055} 2699}
2056#endif 2700#endif
2057 2701
2058#if EV_MULTIPLICITY 2702#if EV_MULTIPLICITY
2059struct ev_loop * 2703struct ev_loop * ecb_cold
2060#else 2704#else
2061int 2705int
2062#endif 2706#endif
2063ev_default_loop (unsigned int flags) 2707ev_default_loop (unsigned int flags) EV_THROW
2064{ 2708{
2065 if (!ev_default_loop_ptr) 2709 if (!ev_default_loop_ptr)
2066 { 2710 {
2067#if EV_MULTIPLICITY 2711#if EV_MULTIPLICITY
2068 EV_P = ev_default_loop_ptr = &default_loop_struct; 2712 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
2087 2731
2088 return ev_default_loop_ptr; 2732 return ev_default_loop_ptr;
2089} 2733}
2090 2734
2091void 2735void
2092ev_loop_fork (EV_P) 2736ev_loop_fork (EV_P) EV_THROW
2093{ 2737{
2094 postfork = 1; /* must be in line with ev_default_fork */ 2738 postfork = 1;
2095} 2739}
2096 2740
2097/*****************************************************************************/ 2741/*****************************************************************************/
2098 2742
2099void 2743void
… …
2101{ 2745{
2102 EV_CB_INVOKE ((W)w, revents); 2746 EV_CB_INVOKE ((W)w, revents);
2103} 2747}
2104 2748
2105unsigned int 2749unsigned int
2106ev_pending_count (EV_P) 2750ev_pending_count (EV_P) EV_THROW
2107{ 2751{
2108 int pri; 2752 int pri;
2109 unsigned int count = 0; 2753 unsigned int count = 0;
2110 2754
2111 for (pri = NUMPRI; pri--; ) 2755 for (pri = NUMPRI; pri--; )
… …
2115} 2759}
2116 2760
2117void noinline 2761void noinline
2118ev_invoke_pending (EV_P) 2762ev_invoke_pending (EV_P)
2119{ 2763{
2120 int pri; 2764 for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2121
2122 for (pri = NUMPRI; pri--; )
2123 while (pendingcnt [pri]) 2765 while (pendingcnt [pendingpri])
2124 { 2766 {
2125 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2767 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2126 2768
2127 p->w->pending = 0; 2769 p->w->pending = 0;
2128 EV_CB_INVOKE (p->w, p->events); 2770 EV_CB_INVOKE (p->w, p->events);
2129 EV_FREQUENT_CHECK; 2771 EV_FREQUENT_CHECK;
2130 } 2772 }
… …
2193 } 2835 }
2194} 2836}
2195 2837
2196#if EV_PERIODIC_ENABLE 2838#if EV_PERIODIC_ENABLE
2197 2839
2198inline_speed 2840static void noinline
2199periodic_recalc (EV_P_ ev_periodic *w) 2841periodic_recalc (EV_P_ ev_periodic *w)
2200{ 2842{
2201 /* TODO: use slow but potentially more correct incremental algo, */ 2843 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
2202 /* also do not rely on ceil */ 2844 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
2203 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2845
2846 /* the above almost always errs on the low side */
2847 while (at <= ev_rt_now)
2848 {
2849 ev_tstamp nat = at + w->interval;
2850
2851 /* when resolution fails us, we use ev_rt_now */
2852 if (expect_false (nat == at))
2853 {
2854 at = ev_rt_now;
2855 break;
2856 }
2857
2858 at = nat;
2859 }
2860
2861 ev_at (w) = at;
2204} 2862}
2205 2863
2206/* make periodics pending */ 2864/* make periodics pending */
2207inline_size void 2865inline_size void
2208periodics_reify (EV_P) 2866periodics_reify (EV_P)
2209{ 2867{
2210 EV_FREQUENT_CHECK; 2868 EV_FREQUENT_CHECK;
2211 2869
2212 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now) 2870 while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2213 { 2871 {
2214 int feed_count = 0;
2215
2216 do 2872 do
2217 { 2873 {
2218 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]); 2874 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2219 2875
2220 /*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)));*/
… …
2230 downheap (periodics, periodiccnt, HEAP0); 2886 downheap (periodics, periodiccnt, HEAP0);
2231 } 2887 }
2232 else if (w->interval) 2888 else if (w->interval)
2233 { 2889 {
2234 periodic_recalc (EV_A_ w); 2890 periodic_recalc (EV_A_ w);
2235
2236 /* if next trigger time is not sufficiently in the future, put it there */
2237 /* this might happen because of floating point inexactness */
2238 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2239 {
2240 ev_at (w) += w->interval;
2241
2242 /* if interval is unreasonably low we might still have a time in the past */
2243 /* so correct this. this will make the periodic very inexact, but the user */
2244 /* has effectively asked to get triggered more often than possible */
2245 if (ev_at (w) < ev_rt_now)
2246 ev_at (w) = ev_rt_now;
2247 }
2248
2249 ANHE_at_cache (periodics [HEAP0]); 2891 ANHE_at_cache (periodics [HEAP0]);
2250 downheap (periodics, periodiccnt, HEAP0); 2892 downheap (periodics, periodiccnt, HEAP0);
2251 } 2893 }
2252 else 2894 else
2253 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 2895 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
… …
2261 } 2903 }
2262} 2904}
2263 2905
2264/* simply recalculate all periodics */ 2906/* simply recalculate all periodics */
2265/* TODO: maybe ensure that at least one event happens when jumping forward? */ 2907/* TODO: maybe ensure that at least one event happens when jumping forward? */
2266static void noinline 2908static void noinline ecb_cold
2267periodics_reschedule (EV_P) 2909periodics_reschedule (EV_P)
2268{ 2910{
2269 int i; 2911 int i;
2270 2912
2271 /* adjust periodics after time jump */ 2913 /* adjust periodics after time jump */
… …
2284 reheap (periodics, periodiccnt); 2926 reheap (periodics, periodiccnt);
2285} 2927}
2286#endif 2928#endif
2287 2929
2288/* adjust all timers by a given offset */ 2930/* adjust all timers by a given offset */
2289static void noinline 2931static void noinline ecb_cold
2290timers_reschedule (EV_P_ ev_tstamp adjust) 2932timers_reschedule (EV_P_ ev_tstamp adjust)
2291{ 2933{
2292 int i; 2934 int i;
2293 2935
2294 for (i = 0; i < timercnt; ++i) 2936 for (i = 0; i < timercnt; ++i)
… …
2331 * doesn't hurt either as we only do this on time-jumps or 2973 * doesn't hurt either as we only do this on time-jumps or
2332 * in the unlikely event of having been preempted here. 2974 * in the unlikely event of having been preempted here.
2333 */ 2975 */
2334 for (i = 4; --i; ) 2976 for (i = 4; --i; )
2335 { 2977 {
2978 ev_tstamp diff;
2336 rtmn_diff = ev_rt_now - mn_now; 2979 rtmn_diff = ev_rt_now - mn_now;
2337 2980
2981 diff = odiff - rtmn_diff;
2982
2338 if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) 2983 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
2339 return; /* all is well */ 2984 return; /* all is well */
2340 2985
2341 ev_rt_now = ev_time (); 2986 ev_rt_now = ev_time ();
2342 mn_now = get_clock (); 2987 mn_now = get_clock ();
2343 now_floor = mn_now; 2988 now_floor = mn_now;
… …
2365 3010
2366 mn_now = ev_rt_now; 3011 mn_now = ev_rt_now;
2367 } 3012 }
2368} 3013}
2369 3014
2370void 3015int
2371ev_run (EV_P_ int flags) 3016ev_run (EV_P_ int flags)
2372{ 3017{
2373#if EV_FEATURE_API 3018#if EV_FEATURE_API
2374 ++loop_depth; 3019 ++loop_depth;
2375#endif 3020#endif
… …
2433 ev_tstamp prev_mn_now = mn_now; 3078 ev_tstamp prev_mn_now = mn_now;
2434 3079
2435 /* update time to cancel out callback processing overhead */ 3080 /* update time to cancel out callback processing overhead */
2436 time_update (EV_A_ 1e100); 3081 time_update (EV_A_ 1e100);
2437 3082
3083 /* from now on, we want a pipe-wake-up */
3084 pipe_write_wanted = 1;
3085
3086 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3087
2438 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) 3088 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2439 { 3089 {
2440 waittime = MAX_BLOCKTIME; 3090 waittime = MAX_BLOCKTIME;
2441 3091
2442 if (timercnt) 3092 if (timercnt)
2443 { 3093 {
2444 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 3094 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
2445 if (waittime > to) waittime = to; 3095 if (waittime > to) waittime = to;
2446 } 3096 }
2447 3097
2448#if EV_PERIODIC_ENABLE 3098#if EV_PERIODIC_ENABLE
2449 if (periodiccnt) 3099 if (periodiccnt)
2450 { 3100 {
2451 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; 3101 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now;
2452 if (waittime > to) waittime = to; 3102 if (waittime > to) waittime = to;
2453 } 3103 }
2454#endif 3104#endif
2455 3105
2456 /* don't let timeouts decrease the waittime below timeout_blocktime */ 3106 /* don't let timeouts decrease the waittime below timeout_blocktime */
2457 if (expect_false (waittime < timeout_blocktime)) 3107 if (expect_false (waittime < timeout_blocktime))
2458 waittime = timeout_blocktime; 3108 waittime = timeout_blocktime;
3109
3110 /* at this point, we NEED to wait, so we have to ensure */
3111 /* to pass a minimum nonzero value to the backend */
3112 if (expect_false (waittime < backend_mintime))
3113 waittime = backend_mintime;
2459 3114
2460 /* extra check because io_blocktime is commonly 0 */ 3115 /* extra check because io_blocktime is commonly 0 */
2461 if (expect_false (io_blocktime)) 3116 if (expect_false (io_blocktime))
2462 { 3117 {
2463 sleeptime = io_blocktime - (mn_now - prev_mn_now); 3118 sleeptime = io_blocktime - (mn_now - prev_mn_now);
2464 3119
2465 if (sleeptime > waittime - backend_fudge) 3120 if (sleeptime > waittime - backend_mintime)
2466 sleeptime = waittime - backend_fudge; 3121 sleeptime = waittime - backend_mintime;
2467 3122
2468 if (expect_true (sleeptime > 0.)) 3123 if (expect_true (sleeptime > 0.))
2469 { 3124 {
2470 ev_sleep (sleeptime); 3125 ev_sleep (sleeptime);
2471 waittime -= sleeptime; 3126 waittime -= sleeptime;
… …
2478#endif 3133#endif
2479 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ 3134 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2480 backend_poll (EV_A_ waittime); 3135 backend_poll (EV_A_ waittime);
2481 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ 3136 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2482 3137
3138 pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3139
3140 if (pipe_write_skipped)
3141 {
3142 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3143 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3144 }
3145
3146
2483 /* update ev_rt_now, do magic */ 3147 /* update ev_rt_now, do magic */
2484 time_update (EV_A_ waittime + sleeptime); 3148 time_update (EV_A_ waittime + sleeptime);
2485 } 3149 }
2486 3150
2487 /* queue pending timers and reschedule them */ 3151 /* queue pending timers and reschedule them */
… …
2513 loop_done = EVBREAK_CANCEL; 3177 loop_done = EVBREAK_CANCEL;
2514 3178
2515#if EV_FEATURE_API 3179#if EV_FEATURE_API
2516 --loop_depth; 3180 --loop_depth;
2517#endif 3181#endif
3182
3183 return activecnt;
2518} 3184}
2519 3185
2520void 3186void
2521ev_break (EV_P_ int how) 3187ev_break (EV_P_ int how) EV_THROW
2522{ 3188{
2523 loop_done = how; 3189 loop_done = how;
2524} 3190}
2525 3191
2526void 3192void
2527ev_ref (EV_P) 3193ev_ref (EV_P) EV_THROW
2528{ 3194{
2529 ++activecnt; 3195 ++activecnt;
2530} 3196}
2531 3197
2532void 3198void
2533ev_unref (EV_P) 3199ev_unref (EV_P) EV_THROW
2534{ 3200{
2535 --activecnt; 3201 --activecnt;
2536} 3202}
2537 3203
2538void 3204void
2539ev_now_update (EV_P) 3205ev_now_update (EV_P) EV_THROW
2540{ 3206{
2541 time_update (EV_A_ 1e100); 3207 time_update (EV_A_ 1e100);
2542} 3208}
2543 3209
2544void 3210void
2545ev_suspend (EV_P) 3211ev_suspend (EV_P) EV_THROW
2546{ 3212{
2547 ev_now_update (EV_A); 3213 ev_now_update (EV_A);
2548} 3214}
2549 3215
2550void 3216void
2551ev_resume (EV_P) 3217ev_resume (EV_P) EV_THROW
2552{ 3218{
2553 ev_tstamp mn_prev = mn_now; 3219 ev_tstamp mn_prev = mn_now;
2554 3220
2555 ev_now_update (EV_A); 3221 ev_now_update (EV_A);
2556 timers_reschedule (EV_A_ mn_now - mn_prev); 3222 timers_reschedule (EV_A_ mn_now - mn_prev);
… …
2595 w->pending = 0; 3261 w->pending = 0;
2596 } 3262 }
2597} 3263}
2598 3264
2599int 3265int
2600ev_clear_pending (EV_P_ void *w) 3266ev_clear_pending (EV_P_ void *w) EV_THROW
2601{ 3267{
2602 W w_ = (W)w; 3268 W w_ = (W)w;
2603 int pending = w_->pending; 3269 int pending = w_->pending;
2604 3270
2605 if (expect_true (pending)) 3271 if (expect_true (pending))
… …
2638} 3304}
2639 3305
2640/*****************************************************************************/ 3306/*****************************************************************************/
2641 3307
2642void noinline 3308void noinline
2643ev_io_start (EV_P_ ev_io *w) 3309ev_io_start (EV_P_ ev_io *w) EV_THROW
2644{ 3310{
2645 int fd = w->fd; 3311 int fd = w->fd;
2646 3312
2647 if (expect_false (ev_is_active (w))) 3313 if (expect_false (ev_is_active (w)))
2648 return; 3314 return;
… …
2654 3320
2655 ev_start (EV_A_ (W)w, 1); 3321 ev_start (EV_A_ (W)w, 1);
2656 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3322 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2657 wlist_add (&anfds[fd].head, (WL)w); 3323 wlist_add (&anfds[fd].head, (WL)w);
2658 3324
3325 /* common bug, apparently */
3326 assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3327
2659 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);
2660 w->events &= ~EV__IOFDSET; 3329 w->events &= ~EV__IOFDSET;
2661 3330
2662 EV_FREQUENT_CHECK; 3331 EV_FREQUENT_CHECK;
2663} 3332}
2664 3333
2665void noinline 3334void noinline
2666ev_io_stop (EV_P_ ev_io *w) 3335ev_io_stop (EV_P_ ev_io *w) EV_THROW
2667{ 3336{
2668 clear_pending (EV_A_ (W)w); 3337 clear_pending (EV_A_ (W)w);
2669 if (expect_false (!ev_is_active (w))) 3338 if (expect_false (!ev_is_active (w)))
2670 return; 3339 return;
2671 3340
… …
2680 3349
2681 EV_FREQUENT_CHECK; 3350 EV_FREQUENT_CHECK;
2682} 3351}
2683 3352
2684void noinline 3353void noinline
2685ev_timer_start (EV_P_ ev_timer *w) 3354ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2686{ 3355{
2687 if (expect_false (ev_is_active (w))) 3356 if (expect_false (ev_is_active (w)))
2688 return; 3357 return;
2689 3358
2690 ev_at (w) += mn_now; 3359 ev_at (w) += mn_now;
… …
2704 3373
2705 /*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));*/
2706} 3375}
2707 3376
2708void noinline 3377void noinline
2709ev_timer_stop (EV_P_ ev_timer *w) 3378ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2710{ 3379{
2711 clear_pending (EV_A_ (W)w); 3380 clear_pending (EV_A_ (W)w);
2712 if (expect_false (!ev_is_active (w))) 3381 if (expect_false (!ev_is_active (w)))
2713 return; 3382 return;
2714 3383
… …
2734 3403
2735 EV_FREQUENT_CHECK; 3404 EV_FREQUENT_CHECK;
2736} 3405}
2737 3406
2738void noinline 3407void noinline
2739ev_timer_again (EV_P_ ev_timer *w) 3408ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2740{ 3409{
2741 EV_FREQUENT_CHECK; 3410 EV_FREQUENT_CHECK;
3411
3412 clear_pending (EV_A_ (W)w);
2742 3413
2743 if (ev_is_active (w)) 3414 if (ev_is_active (w))
2744 { 3415 {
2745 if (w->repeat) 3416 if (w->repeat)
2746 { 3417 {
… …
2759 3430
2760 EV_FREQUENT_CHECK; 3431 EV_FREQUENT_CHECK;
2761} 3432}
2762 3433
2763ev_tstamp 3434ev_tstamp
2764ev_timer_remaining (EV_P_ ev_timer *w) 3435ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2765{ 3436{
2766 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3437 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2767} 3438}
2768 3439
2769#if EV_PERIODIC_ENABLE 3440#if EV_PERIODIC_ENABLE
2770void noinline 3441void noinline
2771ev_periodic_start (EV_P_ ev_periodic *w) 3442ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2772{ 3443{
2773 if (expect_false (ev_is_active (w))) 3444 if (expect_false (ev_is_active (w)))
2774 return; 3445 return;
2775 3446
2776 if (w->reschedule_cb) 3447 if (w->reschedule_cb)
… …
2796 3467
2797 /*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));*/
2798} 3469}
2799 3470
2800void noinline 3471void noinline
2801ev_periodic_stop (EV_P_ ev_periodic *w) 3472ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2802{ 3473{
2803 clear_pending (EV_A_ (W)w); 3474 clear_pending (EV_A_ (W)w);
2804 if (expect_false (!ev_is_active (w))) 3475 if (expect_false (!ev_is_active (w)))
2805 return; 3476 return;
2806 3477
… …
2824 3495
2825 EV_FREQUENT_CHECK; 3496 EV_FREQUENT_CHECK;
2826} 3497}
2827 3498
2828void noinline 3499void noinline
2829ev_periodic_again (EV_P_ ev_periodic *w) 3500ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
2830{ 3501{
2831 /* TODO: use adjustheap and recalculation */ 3502 /* TODO: use adjustheap and recalculation */
2832 ev_periodic_stop (EV_A_ w); 3503 ev_periodic_stop (EV_A_ w);
2833 ev_periodic_start (EV_A_ w); 3504 ev_periodic_start (EV_A_ w);
2834} 3505}
… …
2839#endif 3510#endif
2840 3511
2841#if EV_SIGNAL_ENABLE 3512#if EV_SIGNAL_ENABLE
2842 3513
2843void noinline 3514void noinline
2844ev_signal_start (EV_P_ ev_signal *w) 3515ev_signal_start (EV_P_ ev_signal *w) EV_THROW
2845{ 3516{
2846 if (expect_false (ev_is_active (w))) 3517 if (expect_false (ev_is_active (w)))
2847 return; 3518 return;
2848 3519
2849 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));
… …
2920 3591
2921 EV_FREQUENT_CHECK; 3592 EV_FREQUENT_CHECK;
2922} 3593}
2923 3594
2924void noinline 3595void noinline
2925ev_signal_stop (EV_P_ ev_signal *w) 3596ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
2926{ 3597{
2927 clear_pending (EV_A_ (W)w); 3598 clear_pending (EV_A_ (W)w);
2928 if (expect_false (!ev_is_active (w))) 3599 if (expect_false (!ev_is_active (w)))
2929 return; 3600 return;
2930 3601
… …
2961#endif 3632#endif
2962 3633
2963#if EV_CHILD_ENABLE 3634#if EV_CHILD_ENABLE
2964 3635
2965void 3636void
2966ev_child_start (EV_P_ ev_child *w) 3637ev_child_start (EV_P_ ev_child *w) EV_THROW
2967{ 3638{
2968#if EV_MULTIPLICITY 3639#if EV_MULTIPLICITY
2969 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));
2970#endif 3641#endif
2971 if (expect_false (ev_is_active (w))) 3642 if (expect_false (ev_is_active (w)))
… …
2978 3649
2979 EV_FREQUENT_CHECK; 3650 EV_FREQUENT_CHECK;
2980} 3651}
2981 3652
2982void 3653void
2983ev_child_stop (EV_P_ ev_child *w) 3654ev_child_stop (EV_P_ ev_child *w) EV_THROW
2984{ 3655{
2985 clear_pending (EV_A_ (W)w); 3656 clear_pending (EV_A_ (W)w);
2986 if (expect_false (!ev_is_active (w))) 3657 if (expect_false (!ev_is_active (w)))
2987 return; 3658 return;
2988 3659
… …
3063 if (!pend || pend == path) 3734 if (!pend || pend == path)
3064 break; 3735 break;
3065 3736
3066 *pend = 0; 3737 *pend = 0;
3067 w->wd = inotify_add_watch (fs_fd, path, mask); 3738 w->wd = inotify_add_watch (fs_fd, path, mask);
3068 } 3739 }
3069 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3740 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
3070 } 3741 }
3071 } 3742 }
3072 3743
3073 if (w->wd >= 0) 3744 if (w->wd >= 0)
… …
3140 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3811 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3141 ofs += sizeof (struct inotify_event) + ev->len; 3812 ofs += sizeof (struct inotify_event) + ev->len;
3142 } 3813 }
3143} 3814}
3144 3815
3145inline_size void 3816inline_size void ecb_cold
3146ev_check_2625 (EV_P) 3817ev_check_2625 (EV_P)
3147{ 3818{
3148 /* kernels < 2.6.25 are borked 3819 /* kernels < 2.6.25 are borked
3149 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3820 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3150 */ 3821 */
… …
3155} 3826}
3156 3827
3157inline_size int 3828inline_size int
3158infy_newfd (void) 3829infy_newfd (void)
3159{ 3830{
3160#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK) 3831#if defined IN_CLOEXEC && defined IN_NONBLOCK
3161 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK); 3832 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3162 if (fd >= 0) 3833 if (fd >= 0)
3163 return fd; 3834 return fd;
3164#endif 3835#endif
3165 return inotify_init (); 3836 return inotify_init ();
… …
3240#else 3911#else
3241# define EV_LSTAT(p,b) lstat (p, b) 3912# define EV_LSTAT(p,b) lstat (p, b)
3242#endif 3913#endif
3243 3914
3244void 3915void
3245ev_stat_stat (EV_P_ ev_stat *w) 3916ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3246{ 3917{
3247 if (lstat (w->path, &w->attr) < 0) 3918 if (lstat (w->path, &w->attr) < 0)
3248 w->attr.st_nlink = 0; 3919 w->attr.st_nlink = 0;
3249 else if (!w->attr.st_nlink) 3920 else if (!w->attr.st_nlink)
3250 w->attr.st_nlink = 1; 3921 w->attr.st_nlink = 1;
… …
3289 ev_feed_event (EV_A_ w, EV_STAT); 3960 ev_feed_event (EV_A_ w, EV_STAT);
3290 } 3961 }
3291} 3962}
3292 3963
3293void 3964void
3294ev_stat_start (EV_P_ ev_stat *w) 3965ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3295{ 3966{
3296 if (expect_false (ev_is_active (w))) 3967 if (expect_false (ev_is_active (w)))
3297 return; 3968 return;
3298 3969
3299 ev_stat_stat (EV_A_ w); 3970 ev_stat_stat (EV_A_ w);
… …
3320 3991
3321 EV_FREQUENT_CHECK; 3992 EV_FREQUENT_CHECK;
3322} 3993}
3323 3994
3324void 3995void
3325ev_stat_stop (EV_P_ ev_stat *w) 3996ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3326{ 3997{
3327 clear_pending (EV_A_ (W)w); 3998 clear_pending (EV_A_ (W)w);
3328 if (expect_false (!ev_is_active (w))) 3999 if (expect_false (!ev_is_active (w)))
3329 return; 4000 return;
3330 4001
… …
3346} 4017}
3347#endif 4018#endif
3348 4019
3349#if EV_IDLE_ENABLE 4020#if EV_IDLE_ENABLE
3350void 4021void
3351ev_idle_start (EV_P_ ev_idle *w) 4022ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3352{ 4023{
3353 if (expect_false (ev_is_active (w))) 4024 if (expect_false (ev_is_active (w)))
3354 return; 4025 return;
3355 4026
3356 pri_adjust (EV_A_ (W)w); 4027 pri_adjust (EV_A_ (W)w);
… …
3369 4040
3370 EV_FREQUENT_CHECK; 4041 EV_FREQUENT_CHECK;
3371} 4042}
3372 4043
3373void 4044void
3374ev_idle_stop (EV_P_ ev_idle *w) 4045ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3375{ 4046{
3376 clear_pending (EV_A_ (W)w); 4047 clear_pending (EV_A_ (W)w);
3377 if (expect_false (!ev_is_active (w))) 4048 if (expect_false (!ev_is_active (w)))
3378 return; 4049 return;
3379 4050
… …
3393} 4064}
3394#endif 4065#endif
3395 4066
3396#if EV_PREPARE_ENABLE 4067#if EV_PREPARE_ENABLE
3397void 4068void
3398ev_prepare_start (EV_P_ ev_prepare *w) 4069ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3399{ 4070{
3400 if (expect_false (ev_is_active (w))) 4071 if (expect_false (ev_is_active (w)))
3401 return; 4072 return;
3402 4073
3403 EV_FREQUENT_CHECK; 4074 EV_FREQUENT_CHECK;
… …
3408 4079
3409 EV_FREQUENT_CHECK; 4080 EV_FREQUENT_CHECK;
3410} 4081}
3411 4082
3412void 4083void
3413ev_prepare_stop (EV_P_ ev_prepare *w) 4084ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3414{ 4085{
3415 clear_pending (EV_A_ (W)w); 4086 clear_pending (EV_A_ (W)w);
3416 if (expect_false (!ev_is_active (w))) 4087 if (expect_false (!ev_is_active (w)))
3417 return; 4088 return;
3418 4089
… …
3431} 4102}
3432#endif 4103#endif
3433 4104
3434#if EV_CHECK_ENABLE 4105#if EV_CHECK_ENABLE
3435void 4106void
3436ev_check_start (EV_P_ ev_check *w) 4107ev_check_start (EV_P_ ev_check *w) EV_THROW
3437{ 4108{
3438 if (expect_false (ev_is_active (w))) 4109 if (expect_false (ev_is_active (w)))
3439 return; 4110 return;
3440 4111
3441 EV_FREQUENT_CHECK; 4112 EV_FREQUENT_CHECK;
… …
3446 4117
3447 EV_FREQUENT_CHECK; 4118 EV_FREQUENT_CHECK;
3448} 4119}
3449 4120
3450void 4121void
3451ev_check_stop (EV_P_ ev_check *w) 4122ev_check_stop (EV_P_ ev_check *w) EV_THROW
3452{ 4123{
3453 clear_pending (EV_A_ (W)w); 4124 clear_pending (EV_A_ (W)w);
3454 if (expect_false (!ev_is_active (w))) 4125 if (expect_false (!ev_is_active (w)))
3455 return; 4126 return;
3456 4127
… …
3469} 4140}
3470#endif 4141#endif
3471 4142
3472#if EV_EMBED_ENABLE 4143#if EV_EMBED_ENABLE
3473void noinline 4144void noinline
3474ev_embed_sweep (EV_P_ ev_embed *w) 4145ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3475{ 4146{
3476 ev_run (w->other, EVRUN_NOWAIT); 4147 ev_run (w->other, EVRUN_NOWAIT);
3477} 4148}
3478 4149
3479static void 4150static void
… …
3527 ev_idle_stop (EV_A_ idle); 4198 ev_idle_stop (EV_A_ idle);
3528} 4199}
3529#endif 4200#endif
3530 4201
3531void 4202void
3532ev_embed_start (EV_P_ ev_embed *w) 4203ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3533{ 4204{
3534 if (expect_false (ev_is_active (w))) 4205 if (expect_false (ev_is_active (w)))
3535 return; 4206 return;
3536 4207
3537 { 4208 {
… …
3558 4229
3559 EV_FREQUENT_CHECK; 4230 EV_FREQUENT_CHECK;
3560} 4231}
3561 4232
3562void 4233void
3563ev_embed_stop (EV_P_ ev_embed *w) 4234ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3564{ 4235{
3565 clear_pending (EV_A_ (W)w); 4236 clear_pending (EV_A_ (W)w);
3566 if (expect_false (!ev_is_active (w))) 4237 if (expect_false (!ev_is_active (w)))
3567 return; 4238 return;
3568 4239
… …
3578} 4249}
3579#endif 4250#endif
3580 4251
3581#if EV_FORK_ENABLE 4252#if EV_FORK_ENABLE
3582void 4253void
3583ev_fork_start (EV_P_ ev_fork *w) 4254ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3584{ 4255{
3585 if (expect_false (ev_is_active (w))) 4256 if (expect_false (ev_is_active (w)))
3586 return; 4257 return;
3587 4258
3588 EV_FREQUENT_CHECK; 4259 EV_FREQUENT_CHECK;
… …
3593 4264
3594 EV_FREQUENT_CHECK; 4265 EV_FREQUENT_CHECK;
3595} 4266}
3596 4267
3597void 4268void
3598ev_fork_stop (EV_P_ ev_fork *w) 4269ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3599{ 4270{
3600 clear_pending (EV_A_ (W)w); 4271 clear_pending (EV_A_ (W)w);
3601 if (expect_false (!ev_is_active (w))) 4272 if (expect_false (!ev_is_active (w)))
3602 return; 4273 return;
3603 4274
… …
3616} 4287}
3617#endif 4288#endif
3618 4289
3619#if EV_CLEANUP_ENABLE 4290#if EV_CLEANUP_ENABLE
3620void 4291void
3621ev_cleanup_start (EV_P_ ev_cleanup *w) 4292ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3622{ 4293{
3623 if (expect_false (ev_is_active (w))) 4294 if (expect_false (ev_is_active (w)))
3624 return; 4295 return;
3625 4296
3626 EV_FREQUENT_CHECK; 4297 EV_FREQUENT_CHECK;
… …
3633 ev_unref (EV_A); 4304 ev_unref (EV_A);
3634 EV_FREQUENT_CHECK; 4305 EV_FREQUENT_CHECK;
3635} 4306}
3636 4307
3637void 4308void
3638ev_cleanup_stop (EV_P_ ev_cleanup *w) 4309ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3639{ 4310{
3640 clear_pending (EV_A_ (W)w); 4311 clear_pending (EV_A_ (W)w);
3641 if (expect_false (!ev_is_active (w))) 4312 if (expect_false (!ev_is_active (w)))
3642 return; 4313 return;
3643 4314
… …
3657} 4328}
3658#endif 4329#endif
3659 4330
3660#if EV_ASYNC_ENABLE 4331#if EV_ASYNC_ENABLE
3661void 4332void
3662ev_async_start (EV_P_ ev_async *w) 4333ev_async_start (EV_P_ ev_async *w) EV_THROW
3663{ 4334{
3664 if (expect_false (ev_is_active (w))) 4335 if (expect_false (ev_is_active (w)))
3665 return; 4336 return;
3666 4337
3667 w->sent = 0; 4338 w->sent = 0;
… …
3676 4347
3677 EV_FREQUENT_CHECK; 4348 EV_FREQUENT_CHECK;
3678} 4349}
3679 4350
3680void 4351void
3681ev_async_stop (EV_P_ ev_async *w) 4352ev_async_stop (EV_P_ ev_async *w) EV_THROW
3682{ 4353{
3683 clear_pending (EV_A_ (W)w); 4354 clear_pending (EV_A_ (W)w);
3684 if (expect_false (!ev_is_active (w))) 4355 if (expect_false (!ev_is_active (w)))
3685 return; 4356 return;
3686 4357
… …
3697 4368
3698 EV_FREQUENT_CHECK; 4369 EV_FREQUENT_CHECK;
3699} 4370}
3700 4371
3701void 4372void
3702ev_async_send (EV_P_ ev_async *w) 4373ev_async_send (EV_P_ ev_async *w) EV_THROW
3703{ 4374{
3704 w->sent = 1; 4375 w->sent = 1;
3705 evpipe_write (EV_A_ &async_pending); 4376 evpipe_write (EV_A_ &async_pending);
3706} 4377}
3707#endif 4378#endif
… …
3744 4415
3745 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));
3746} 4417}
3747 4418
3748void 4419void
3749ev_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
3750{ 4421{
3751 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));
3752 4423
3753 if (expect_false (!once)) 4424 if (expect_false (!once))
3754 { 4425 {
… …
3775} 4446}
3776 4447
3777/*****************************************************************************/ 4448/*****************************************************************************/
3778 4449
3779#if EV_WALK_ENABLE 4450#if EV_WALK_ENABLE
3780void 4451void ecb_cold
3781ev_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
3782{ 4453{
3783 int i, j; 4454 int i, j;
3784 ev_watcher_list *wl, *wn; 4455 ev_watcher_list *wl, *wn;
3785 4456
3786 if (types & (EV_IO | EV_EMBED)) 4457 if (types & (EV_IO | EV_EMBED))
… …
3829 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4500 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3830#endif 4501#endif
3831 4502
3832#if EV_IDLE_ENABLE 4503#if EV_IDLE_ENABLE
3833 if (types & EV_IDLE) 4504 if (types & EV_IDLE)
3834 for (j = NUMPRI; i--; ) 4505 for (j = NUMPRI; j--; )
3835 for (i = idlecnt [j]; i--; ) 4506 for (i = idlecnt [j]; i--; )
3836 cb (EV_A_ EV_IDLE, idles [j][i]); 4507 cb (EV_A_ EV_IDLE, idles [j][i]);
3837#endif 4508#endif
3838 4509
3839#if EV_FORK_ENABLE 4510#if EV_FORK_ENABLE
… …
3892 4563
3893#if EV_MULTIPLICITY 4564#if EV_MULTIPLICITY
3894 #include "ev_wrap.h" 4565 #include "ev_wrap.h"
3895#endif 4566#endif
3896 4567
3897EV_CPP(})
3898

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