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Comparing libev/ev.c (file contents):
Revision 1.325 by root, Sun Jan 24 12:31:55 2010 UTC vs.
Revision 1.353 by root, Thu Oct 21 12:32:47 2010 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 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010 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 *
77# ifndef EV_USE_REALTIME 77# ifndef EV_USE_REALTIME
78# define EV_USE_REALTIME 0 78# define EV_USE_REALTIME 0
79# endif 79# endif
80# endif 80# endif
81 81
82# if HAVE_NANOSLEEP
82# ifndef EV_USE_NANOSLEEP 83# ifndef EV_USE_NANOSLEEP
83# if HAVE_NANOSLEEP
84# define EV_USE_NANOSLEEP 1 84# define EV_USE_NANOSLEEP EV_FEATURE_OS
85# endif
85# else 86# else
87# undef EV_USE_NANOSLEEP
86# define EV_USE_NANOSLEEP 0 88# define EV_USE_NANOSLEEP 0
89# endif
90
91# if HAVE_SELECT && HAVE_SYS_SELECT_H
92# ifndef EV_USE_SELECT
93# define EV_USE_SELECT EV_FEATURE_BACKENDS
87# endif 94# endif
95# else
96# undef EV_USE_SELECT
97# define EV_USE_SELECT 0
88# endif 98# endif
89 99
100# if HAVE_POLL && HAVE_POLL_H
90# ifndef EV_USE_SELECT 101# ifndef EV_USE_POLL
91# if HAVE_SELECT && HAVE_SYS_SELECT_H 102# define EV_USE_POLL EV_FEATURE_BACKENDS
92# define EV_USE_SELECT 1
93# else
94# define EV_USE_SELECT 0
95# endif 103# endif
96# endif
97
98# ifndef EV_USE_POLL
99# if HAVE_POLL && HAVE_POLL_H
100# define EV_USE_POLL 1
101# else 104# else
105# undef EV_USE_POLL
102# define EV_USE_POLL 0 106# define EV_USE_POLL 0
103# endif
104# endif 107# endif
105 108
106# ifndef EV_USE_EPOLL
107# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 109# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108# define EV_USE_EPOLL 1 110# ifndef EV_USE_EPOLL
109# else 111# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110# define EV_USE_EPOLL 0
111# endif 112# endif
113# else
114# undef EV_USE_EPOLL
115# define EV_USE_EPOLL 0
112# endif 116# endif
113 117
114# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 118# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
116# define EV_USE_KQUEUE 1 119# ifndef EV_USE_KQUEUE
117# else 120# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
118# define EV_USE_KQUEUE 0
119# endif 121# endif
122# else
123# undef EV_USE_KQUEUE
124# define EV_USE_KQUEUE 0
120# endif 125# endif
121 126
122# ifndef EV_USE_PORT
123# if HAVE_PORT_H && HAVE_PORT_CREATE 127# if HAVE_PORT_H && HAVE_PORT_CREATE
124# define EV_USE_PORT 1 128# ifndef EV_USE_PORT
125# else 129# define EV_USE_PORT EV_FEATURE_BACKENDS
126# define EV_USE_PORT 0
127# endif 130# endif
131# else
132# undef EV_USE_PORT
133# define EV_USE_PORT 0
128# endif 134# endif
129 135
130# ifndef EV_USE_INOTIFY
131# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H 136# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132# define EV_USE_INOTIFY 1 137# ifndef EV_USE_INOTIFY
133# else
134# define EV_USE_INOTIFY 0 138# define EV_USE_INOTIFY EV_FEATURE_OS
135# endif 139# endif
140# else
141# undef EV_USE_INOTIFY
142# define EV_USE_INOTIFY 0
136# endif 143# endif
137 144
138# ifndef EV_USE_SIGNALFD
139# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H 145# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140# define EV_USE_SIGNALFD 1 146# ifndef EV_USE_SIGNALFD
141# else
142# define EV_USE_SIGNALFD 0 147# define EV_USE_SIGNALFD EV_FEATURE_OS
143# endif 148# endif
149# else
150# undef EV_USE_SIGNALFD
151# define EV_USE_SIGNALFD 0
144# endif 152# endif
145 153
154# if HAVE_EVENTFD
146# ifndef EV_USE_EVENTFD 155# ifndef EV_USE_EVENTFD
147# if HAVE_EVENTFD
148# define EV_USE_EVENTFD 1 156# define EV_USE_EVENTFD EV_FEATURE_OS
149# else
150# define EV_USE_EVENTFD 0
151# endif 157# endif
158# else
159# undef EV_USE_EVENTFD
160# define EV_USE_EVENTFD 0
152# endif 161# endif
153 162
154#endif 163#endif
155 164
156#include <math.h> 165#include <math.h>
163 172
164#include <assert.h> 173#include <assert.h>
165#include <errno.h> 174#include <errno.h>
166#include <sys/types.h> 175#include <sys/types.h>
167#include <time.h> 176#include <time.h>
177#include <limits.h>
168 178
169#include <signal.h> 179#include <signal.h>
170 180
171#ifdef EV_H 181#ifdef EV_H
172# include EV_H 182# include EV_H
183# define WIN32_LEAN_AND_MEAN 193# define WIN32_LEAN_AND_MEAN
184# include <windows.h> 194# include <windows.h>
185# ifndef EV_SELECT_IS_WINSOCKET 195# ifndef EV_SELECT_IS_WINSOCKET
186# define EV_SELECT_IS_WINSOCKET 1 196# define EV_SELECT_IS_WINSOCKET 1
187# endif 197# endif
198# undef EV_AVOID_STDIO
188#endif 199#endif
200
201/* OS X, in its infinite idiocy, actually HARDCODES
202 * a limit of 1024 into their select. Where people have brains,
203 * OS X engineers apparently have a vacuum. Or maybe they were
204 * ordered to have a vacuum, or they do anything for money.
205 * This might help. Or not.
206 */
207#define _DARWIN_UNLIMITED_SELECT 1
189 208
190/* this block tries to deduce configuration from header-defined symbols and defaults */ 209/* this block tries to deduce configuration from header-defined symbols and defaults */
191 210
192/* try to deduce the maximum number of signals on this platform */ 211/* try to deduce the maximum number of signals on this platform */
193#if defined (EV_NSIG) 212#if defined (EV_NSIG)
205#elif defined (MAXSIG) 224#elif defined (MAXSIG)
206# define EV_NSIG (MAXSIG+1) 225# define EV_NSIG (MAXSIG+1)
207#elif defined (MAX_SIG) 226#elif defined (MAX_SIG)
208# define EV_NSIG (MAX_SIG+1) 227# define EV_NSIG (MAX_SIG+1)
209#elif defined (SIGARRAYSIZE) 228#elif defined (SIGARRAYSIZE)
210# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 229# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
211#elif defined (_sys_nsig) 230#elif defined (_sys_nsig)
212# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 231# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
213#else 232#else
214# error "unable to find value for NSIG, please report" 233# error "unable to find value for NSIG, please report"
215/* to make it compile regardless, just remove the above line */ 234/* to make it compile regardless, just remove the above line, */
235/* but consider reporting it, too! :) */
216# define EV_NSIG 65 236# define EV_NSIG 65
217#endif 237#endif
218 238
219#ifndef EV_USE_CLOCK_SYSCALL 239#ifndef EV_USE_CLOCK_SYSCALL
220# if __linux && __GLIBC__ >= 2 240# if __linux && __GLIBC__ >= 2
221# define EV_USE_CLOCK_SYSCALL 1 241# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
222# else 242# else
223# define EV_USE_CLOCK_SYSCALL 0 243# define EV_USE_CLOCK_SYSCALL 0
224# endif 244# endif
225#endif 245#endif
226 246
227#ifndef EV_USE_MONOTONIC 247#ifndef EV_USE_MONOTONIC
228# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 248# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
229# define EV_USE_MONOTONIC 1 249# define EV_USE_MONOTONIC EV_FEATURE_OS
230# else 250# else
231# define EV_USE_MONOTONIC 0 251# define EV_USE_MONOTONIC 0
232# endif 252# endif
233#endif 253#endif
234 254
236# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 256# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
237#endif 257#endif
238 258
239#ifndef EV_USE_NANOSLEEP 259#ifndef EV_USE_NANOSLEEP
240# if _POSIX_C_SOURCE >= 199309L 260# if _POSIX_C_SOURCE >= 199309L
241# define EV_USE_NANOSLEEP 1 261# define EV_USE_NANOSLEEP EV_FEATURE_OS
242# else 262# else
243# define EV_USE_NANOSLEEP 0 263# define EV_USE_NANOSLEEP 0
244# endif 264# endif
245#endif 265#endif
246 266
247#ifndef EV_USE_SELECT 267#ifndef EV_USE_SELECT
248# define EV_USE_SELECT 1 268# define EV_USE_SELECT EV_FEATURE_BACKENDS
249#endif 269#endif
250 270
251#ifndef EV_USE_POLL 271#ifndef EV_USE_POLL
252# ifdef _WIN32 272# ifdef _WIN32
253# define EV_USE_POLL 0 273# define EV_USE_POLL 0
254# else 274# else
255# define EV_USE_POLL 1 275# define EV_USE_POLL EV_FEATURE_BACKENDS
256# endif 276# endif
257#endif 277#endif
258 278
259#ifndef EV_USE_EPOLL 279#ifndef EV_USE_EPOLL
260# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 280# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
261# define EV_USE_EPOLL 1 281# define EV_USE_EPOLL EV_FEATURE_BACKENDS
262# else 282# else
263# define EV_USE_EPOLL 0 283# define EV_USE_EPOLL 0
264# endif 284# endif
265#endif 285#endif
266 286
272# define EV_USE_PORT 0 292# define EV_USE_PORT 0
273#endif 293#endif
274 294
275#ifndef EV_USE_INOTIFY 295#ifndef EV_USE_INOTIFY
276# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 296# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
277# define EV_USE_INOTIFY 1 297# define EV_USE_INOTIFY EV_FEATURE_OS
278# else 298# else
279# define EV_USE_INOTIFY 0 299# define EV_USE_INOTIFY 0
280# endif 300# endif
281#endif 301#endif
282 302
283#ifndef EV_PID_HASHSIZE 303#ifndef EV_PID_HASHSIZE
284# if EV_MINIMAL 304# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
285# define EV_PID_HASHSIZE 1
286# else
287# define EV_PID_HASHSIZE 16
288# endif
289#endif 305#endif
290 306
291#ifndef EV_INOTIFY_HASHSIZE 307#ifndef EV_INOTIFY_HASHSIZE
292# if EV_MINIMAL 308# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
293# define EV_INOTIFY_HASHSIZE 1
294# else
295# define EV_INOTIFY_HASHSIZE 16
296# endif
297#endif 309#endif
298 310
299#ifndef EV_USE_EVENTFD 311#ifndef EV_USE_EVENTFD
300# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 312# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
301# define EV_USE_EVENTFD 1 313# define EV_USE_EVENTFD EV_FEATURE_OS
302# else 314# else
303# define EV_USE_EVENTFD 0 315# define EV_USE_EVENTFD 0
304# endif 316# endif
305#endif 317#endif
306 318
307#ifndef EV_USE_SIGNALFD 319#ifndef EV_USE_SIGNALFD
308# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 320# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
309# define EV_USE_SIGNALFD 1 321# define EV_USE_SIGNALFD EV_FEATURE_OS
310# else 322# else
311# define EV_USE_SIGNALFD 0 323# define EV_USE_SIGNALFD 0
312# endif 324# endif
313#endif 325#endif
314 326
317# define EV_USE_4HEAP 1 329# define EV_USE_4HEAP 1
318# define EV_HEAP_CACHE_AT 1 330# define EV_HEAP_CACHE_AT 1
319#endif 331#endif
320 332
321#ifndef EV_VERIFY 333#ifndef EV_VERIFY
322# define EV_VERIFY !EV_MINIMAL 334# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
323#endif 335#endif
324 336
325#ifndef EV_USE_4HEAP 337#ifndef EV_USE_4HEAP
326# define EV_USE_4HEAP !EV_MINIMAL 338# define EV_USE_4HEAP EV_FEATURE_DATA
327#endif 339#endif
328 340
329#ifndef EV_HEAP_CACHE_AT 341#ifndef EV_HEAP_CACHE_AT
330# define EV_HEAP_CACHE_AT !EV_MINIMAL 342# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
331#endif 343#endif
332 344
333/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 345/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
334/* which makes programs even slower. might work on other unices, too. */ 346/* which makes programs even slower. might work on other unices, too. */
335#if EV_USE_CLOCK_SYSCALL 347#if EV_USE_CLOCK_SYSCALL
402# endif 414# endif
403# endif 415# endif
404# ifdef __cplusplus 416# ifdef __cplusplus
405extern "C" { 417extern "C" {
406# endif 418# endif
407int eventfd (unsigned int initval, int flags); 419int (eventfd) (unsigned int initval, int flags);
408# ifdef __cplusplus 420# ifdef __cplusplus
409} 421}
410# endif 422# endif
411#endif 423#endif
412 424
436# ifdef __cplusplus 448# ifdef __cplusplus
437} 449}
438# endif 450# endif
439#endif 451#endif
440 452
441
442/**/ 453/**/
443 454
444#if EV_VERIFY >= 3 455#if EV_VERIFY >= 3
445# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 456# define EV_FREQUENT_CHECK ev_verify (EV_A)
446#else 457#else
447# define EV_FREQUENT_CHECK do { } while (0) 458# define EV_FREQUENT_CHECK do { } while (0)
448#endif 459#endif
449 460
450/* 461/*
458#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 469#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
459 470
460#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 471#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
461#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 472#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
462 473
474#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
475#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
476
463#if __GNUC__ >= 4 477#if __GNUC__ >= 4
464# define expect(expr,value) __builtin_expect ((expr),(value)) 478# define expect(expr,value) __builtin_expect ((expr),(value))
465# define noinline __attribute__ ((noinline)) 479# define noinline __attribute__ ((noinline))
466#else 480#else
467# define expect(expr,value) (expr) 481# define expect(expr,value) (expr)
473 487
474#define expect_false(expr) expect ((expr) != 0, 0) 488#define expect_false(expr) expect ((expr) != 0, 0)
475#define expect_true(expr) expect ((expr) != 0, 1) 489#define expect_true(expr) expect ((expr) != 0, 1)
476#define inline_size static inline 490#define inline_size static inline
477 491
478#if EV_MINIMAL 492#if EV_FEATURE_CODE
493# define inline_speed static inline
494#else
479# define inline_speed static noinline 495# define inline_speed static noinline
480#else
481# define inline_speed static inline
482#endif 496#endif
483 497
484#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 498#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
485 499
486#if EV_MINPRI == EV_MAXPRI 500#if EV_MINPRI == EV_MAXPRI
499#define ev_active(w) ((W)(w))->active 513#define ev_active(w) ((W)(w))->active
500#define ev_at(w) ((WT)(w))->at 514#define ev_at(w) ((WT)(w))->at
501 515
502#if EV_USE_REALTIME 516#if EV_USE_REALTIME
503/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 517/* sig_atomic_t is used to avoid per-thread variables or locking but still */
504/* giving it a reasonably high chance of working on typical architetcures */ 518/* giving it a reasonably high chance of working on typical architectures */
505static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 519static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
506#endif 520#endif
507 521
508#if EV_USE_MONOTONIC 522#if EV_USE_MONOTONIC
509static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 523static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
522#ifdef _WIN32 536#ifdef _WIN32
523# include "ev_win32.c" 537# include "ev_win32.c"
524#endif 538#endif
525 539
526/*****************************************************************************/ 540/*****************************************************************************/
541
542#if EV_AVOID_STDIO
543static void noinline
544ev_printerr (const char *msg)
545{
546 write (STDERR_FILENO, msg, strlen (msg));
547}
548#endif
527 549
528static void (*syserr_cb)(const char *msg); 550static void (*syserr_cb)(const char *msg);
529 551
530void 552void
531ev_set_syserr_cb (void (*cb)(const char *msg)) 553ev_set_syserr_cb (void (*cb)(const char *msg))
541 563
542 if (syserr_cb) 564 if (syserr_cb)
543 syserr_cb (msg); 565 syserr_cb (msg);
544 else 566 else
545 { 567 {
568#if EV_AVOID_STDIO
569 const char *err = strerror (errno);
570
571 ev_printerr (msg);
572 ev_printerr (": ");
573 ev_printerr (err);
574 ev_printerr ("\n");
575#else
546 perror (msg); 576 perror (msg);
577#endif
547 abort (); 578 abort ();
548 } 579 }
549} 580}
550 581
551static void * 582static void *
552ev_realloc_emul (void *ptr, long size) 583ev_realloc_emul (void *ptr, long size)
553{ 584{
585#if __GLIBC__
586 return realloc (ptr, size);
587#else
554 /* some systems, notably openbsd and darwin, fail to properly 588 /* some systems, notably openbsd and darwin, fail to properly
555 * implement realloc (x, 0) (as required by both ansi c-98 and 589 * implement realloc (x, 0) (as required by both ansi c-89 and
556 * the single unix specification, so work around them here. 590 * the single unix specification, so work around them here.
557 */ 591 */
558 592
559 if (size) 593 if (size)
560 return realloc (ptr, size); 594 return realloc (ptr, size);
561 595
562 free (ptr); 596 free (ptr);
563 return 0; 597 return 0;
598#endif
564} 599}
565 600
566static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 601static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
567 602
568void 603void
576{ 611{
577 ptr = alloc (ptr, size); 612 ptr = alloc (ptr, size);
578 613
579 if (!ptr && size) 614 if (!ptr && size)
580 { 615 {
616#if EV_AVOID_STDIO
617 ev_printerr ("libev: memory allocation failed, aborting.\n");
618#else
581 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 619 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
620#endif
582 abort (); 621 abort ();
583 } 622 }
584 623
585 return ptr; 624 return ptr;
586} 625}
668 707
669 static int ev_default_loop_ptr; 708 static int ev_default_loop_ptr;
670 709
671#endif 710#endif
672 711
673#if EV_MINIMAL < 2 712#if EV_FEATURE_API
674# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 713# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
675# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 714# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
676# define EV_INVOKE_PENDING invoke_cb (EV_A) 715# define EV_INVOKE_PENDING invoke_cb (EV_A)
677#else 716#else
678# define EV_RELEASE_CB (void)0 717# define EV_RELEASE_CB (void)0
679# define EV_ACQUIRE_CB (void)0 718# define EV_ACQUIRE_CB (void)0
680# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 719# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
681#endif 720#endif
682 721
683#define EVUNLOOP_RECURSE 0x80 722#define EVBREAK_RECURSE 0x80
684 723
685/*****************************************************************************/ 724/*****************************************************************************/
686 725
687#ifndef EV_HAVE_EV_TIME 726#ifndef EV_HAVE_EV_TIME
688ev_tstamp 727ev_tstamp
732 if (delay > 0.) 771 if (delay > 0.)
733 { 772 {
734#if EV_USE_NANOSLEEP 773#if EV_USE_NANOSLEEP
735 struct timespec ts; 774 struct timespec ts;
736 775
737 ts.tv_sec = (time_t)delay; 776 EV_TS_SET (ts, delay);
738 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
739
740 nanosleep (&ts, 0); 777 nanosleep (&ts, 0);
741#elif defined(_WIN32) 778#elif defined(_WIN32)
742 Sleep ((unsigned long)(delay * 1e3)); 779 Sleep ((unsigned long)(delay * 1e3));
743#else 780#else
744 struct timeval tv; 781 struct timeval tv;
745 782
746 tv.tv_sec = (time_t)delay;
747 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
748
749 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 783 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
750 /* something not guaranteed by newer posix versions, but guaranteed */ 784 /* something not guaranteed by newer posix versions, but guaranteed */
751 /* by older ones */ 785 /* by older ones */
786 EV_TV_SET (tv, delay);
752 select (0, 0, 0, 0, &tv); 787 select (0, 0, 0, 0, &tv);
753#endif 788#endif
754 } 789 }
755} 790}
756 791
757/*****************************************************************************/ 792/*****************************************************************************/
758 793
759#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 794#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
760 795
761/* find a suitable new size for the given array, */ 796/* find a suitable new size for the given array, */
762/* hopefully by rounding to a ncie-to-malloc size */ 797/* hopefully by rounding to a nice-to-malloc size */
763inline_size int 798inline_size int
764array_nextsize (int elem, int cur, int cnt) 799array_nextsize (int elem, int cur, int cnt)
765{ 800{
766 int ncur = cur + 1; 801 int ncur = cur + 1;
767 802
863} 898}
864 899
865/*****************************************************************************/ 900/*****************************************************************************/
866 901
867inline_speed void 902inline_speed void
868fd_event_nc (EV_P_ int fd, int revents) 903fd_event_nocheck (EV_P_ int fd, int revents)
869{ 904{
870 ANFD *anfd = anfds + fd; 905 ANFD *anfd = anfds + fd;
871 ev_io *w; 906 ev_io *w;
872 907
873 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 908 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
885fd_event (EV_P_ int fd, int revents) 920fd_event (EV_P_ int fd, int revents)
886{ 921{
887 ANFD *anfd = anfds + fd; 922 ANFD *anfd = anfds + fd;
888 923
889 if (expect_true (!anfd->reify)) 924 if (expect_true (!anfd->reify))
890 fd_event_nc (EV_A_ fd, revents); 925 fd_event_nocheck (EV_A_ fd, revents);
891} 926}
892 927
893void 928void
894ev_feed_fd_event (EV_P_ int fd, int revents) 929ev_feed_fd_event (EV_P_ int fd, int revents)
895{ 930{
896 if (fd >= 0 && fd < anfdmax) 931 if (fd >= 0 && fd < anfdmax)
897 fd_event_nc (EV_A_ fd, revents); 932 fd_event_nocheck (EV_A_ fd, revents);
898} 933}
899 934
900/* make sure the external fd watch events are in-sync */ 935/* make sure the external fd watch events are in-sync */
901/* with the kernel/libev internal state */ 936/* with the kernel/libev internal state */
902inline_size void 937inline_size void
908 { 943 {
909 int fd = fdchanges [i]; 944 int fd = fdchanges [i];
910 ANFD *anfd = anfds + fd; 945 ANFD *anfd = anfds + fd;
911 ev_io *w; 946 ev_io *w;
912 947
913 unsigned char events = 0; 948 unsigned char o_events = anfd->events;
949 unsigned char o_reify = anfd->reify;
914 950
915 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 951 anfd->reify = 0;
916 events |= (unsigned char)w->events;
917 952
918#if EV_SELECT_IS_WINSOCKET 953#if EV_SELECT_IS_WINSOCKET
919 if (events) 954 if (o_reify & EV__IOFDSET)
920 { 955 {
921 unsigned long arg; 956 unsigned long arg;
922 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 957 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
923 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 958 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
924 } 959 }
925#endif 960#endif
926 961
962 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
927 { 963 {
928 unsigned char o_events = anfd->events;
929 unsigned char o_reify = anfd->reify;
930
931 anfd->reify = 0;
932 anfd->events = events; 964 anfd->events = 0;
933 965
934 if (o_events != events || o_reify & EV__IOFDSET) 966 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
967 anfd->events |= (unsigned char)w->events;
968
969 if (o_events != anfd->events)
970 o_reify = EV__IOFDSET; /* actually |= */
971 }
972
973 if (o_reify & EV__IOFDSET)
935 backend_modify (EV_A_ fd, o_events, events); 974 backend_modify (EV_A_ fd, o_events, anfd->events);
936 }
937 } 975 }
938 976
939 fdchangecnt = 0; 977 fdchangecnt = 0;
940} 978}
941 979
965 ev_io_stop (EV_A_ w); 1003 ev_io_stop (EV_A_ w);
966 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1004 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
967 } 1005 }
968} 1006}
969 1007
970/* check whether the given fd is atcually valid, for error recovery */ 1008/* check whether the given fd is actually valid, for error recovery */
971inline_size int 1009inline_size int
972fd_valid (int fd) 1010fd_valid (int fd)
973{ 1011{
974#ifdef _WIN32 1012#ifdef _WIN32
975 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 1013 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1017 anfds [fd].emask = 0; 1055 anfds [fd].emask = 0;
1018 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1056 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
1019 } 1057 }
1020} 1058}
1021 1059
1060/* used to prepare libev internal fd's */
1061/* this is not fork-safe */
1062inline_speed void
1063fd_intern (int fd)
1064{
1065#ifdef _WIN32
1066 unsigned long arg = 1;
1067 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1068#else
1069 fcntl (fd, F_SETFD, FD_CLOEXEC);
1070 fcntl (fd, F_SETFL, O_NONBLOCK);
1071#endif
1072}
1073
1022/*****************************************************************************/ 1074/*****************************************************************************/
1023 1075
1024/* 1076/*
1025 * the heap functions want a real array index. array index 0 uis guaranteed to not 1077 * the heap functions want a real array index. array index 0 is guaranteed to not
1026 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives 1078 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1027 * the branching factor of the d-tree. 1079 * the branching factor of the d-tree.
1028 */ 1080 */
1029 1081
1030/* 1082/*
1178 1230
1179static ANSIG signals [EV_NSIG - 1]; 1231static ANSIG signals [EV_NSIG - 1];
1180 1232
1181/*****************************************************************************/ 1233/*****************************************************************************/
1182 1234
1183/* used to prepare libev internal fd's */ 1235#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1184/* this is not fork-safe */
1185inline_speed void
1186fd_intern (int fd)
1187{
1188#ifdef _WIN32
1189 unsigned long arg = 1;
1190 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1191#else
1192 fcntl (fd, F_SETFD, FD_CLOEXEC);
1193 fcntl (fd, F_SETFL, O_NONBLOCK);
1194#endif
1195}
1196 1236
1197static void noinline 1237static void noinline
1198evpipe_init (EV_P) 1238evpipe_init (EV_P)
1199{ 1239{
1200 if (!ev_is_active (&pipe_w)) 1240 if (!ev_is_active (&pipe_w))
1201 { 1241 {
1202#if EV_USE_EVENTFD 1242# if EV_USE_EVENTFD
1203 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1243 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1204 if (evfd < 0 && errno == EINVAL) 1244 if (evfd < 0 && errno == EINVAL)
1205 evfd = eventfd (0, 0); 1245 evfd = eventfd (0, 0);
1206 1246
1207 if (evfd >= 0) 1247 if (evfd >= 0)
1209 evpipe [0] = -1; 1249 evpipe [0] = -1;
1210 fd_intern (evfd); /* doing it twice doesn't hurt */ 1250 fd_intern (evfd); /* doing it twice doesn't hurt */
1211 ev_io_set (&pipe_w, evfd, EV_READ); 1251 ev_io_set (&pipe_w, evfd, EV_READ);
1212 } 1252 }
1213 else 1253 else
1214#endif 1254# endif
1215 { 1255 {
1216 while (pipe (evpipe)) 1256 while (pipe (evpipe))
1217 ev_syserr ("(libev) error creating signal/async pipe"); 1257 ev_syserr ("(libev) error creating signal/async pipe");
1218 1258
1219 fd_intern (evpipe [0]); 1259 fd_intern (evpipe [0]);
1230evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1270evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1231{ 1271{
1232 if (!*flag) 1272 if (!*flag)
1233 { 1273 {
1234 int old_errno = errno; /* save errno because write might clobber it */ 1274 int old_errno = errno; /* save errno because write might clobber it */
1275 char dummy;
1235 1276
1236 *flag = 1; 1277 *flag = 1;
1237 1278
1238#if EV_USE_EVENTFD 1279#if EV_USE_EVENTFD
1239 if (evfd >= 0) 1280 if (evfd >= 0)
1241 uint64_t counter = 1; 1282 uint64_t counter = 1;
1242 write (evfd, &counter, sizeof (uint64_t)); 1283 write (evfd, &counter, sizeof (uint64_t));
1243 } 1284 }
1244 else 1285 else
1245#endif 1286#endif
1287 /* win32 people keep sending patches that change this write() to send() */
1288 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1289 /* so when you think this write should be a send instead, please find out */
1290 /* where your send() is from - it's definitely not the microsoft send, and */
1291 /* tell me. thank you. */
1246 write (evpipe [1], &old_errno, 1); 1292 write (evpipe [1], &dummy, 1);
1247 1293
1248 errno = old_errno; 1294 errno = old_errno;
1249 } 1295 }
1250} 1296}
1251 1297
1264 } 1310 }
1265 else 1311 else
1266#endif 1312#endif
1267 { 1313 {
1268 char dummy; 1314 char dummy;
1315 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1269 read (evpipe [0], &dummy, 1); 1316 read (evpipe [0], &dummy, 1);
1270 } 1317 }
1271 1318
1272 if (sig_pending) 1319 if (sig_pending)
1273 { 1320 {
1352 break; 1399 break;
1353 } 1400 }
1354} 1401}
1355#endif 1402#endif
1356 1403
1404#endif
1405
1357/*****************************************************************************/ 1406/*****************************************************************************/
1358 1407
1408#if EV_CHILD_ENABLE
1359static WL childs [EV_PID_HASHSIZE]; 1409static WL childs [EV_PID_HASHSIZE];
1360
1361#ifndef _WIN32
1362 1410
1363static ev_signal childev; 1411static ev_signal childev;
1364 1412
1365#ifndef WIFCONTINUED 1413#ifndef WIFCONTINUED
1366# define WIFCONTINUED(status) 0 1414# define WIFCONTINUED(status) 0
1371child_reap (EV_P_ int chain, int pid, int status) 1419child_reap (EV_P_ int chain, int pid, int status)
1372{ 1420{
1373 ev_child *w; 1421 ev_child *w;
1374 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1422 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1375 1423
1376 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1424 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1377 { 1425 {
1378 if ((w->pid == pid || !w->pid) 1426 if ((w->pid == pid || !w->pid)
1379 && (!traced || (w->flags & 1))) 1427 && (!traced || (w->flags & 1)))
1380 { 1428 {
1381 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1429 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
1406 /* make sure we are called again until all children have been reaped */ 1454 /* make sure we are called again until all children have been reaped */
1407 /* we need to do it this way so that the callback gets called before we continue */ 1455 /* we need to do it this way so that the callback gets called before we continue */
1408 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1456 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1409 1457
1410 child_reap (EV_A_ pid, pid, status); 1458 child_reap (EV_A_ pid, pid, status);
1411 if (EV_PID_HASHSIZE > 1) 1459 if ((EV_PID_HASHSIZE) > 1)
1412 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1460 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1413} 1461}
1414 1462
1415#endif 1463#endif
1416 1464
1483#ifdef __APPLE__ 1531#ifdef __APPLE__
1484 /* only select works correctly on that "unix-certified" platform */ 1532 /* only select works correctly on that "unix-certified" platform */
1485 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1533 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1486 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1534 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1487#endif 1535#endif
1536#ifdef __FreeBSD__
1537 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1538#endif
1488 1539
1489 return flags; 1540 return flags;
1490} 1541}
1491 1542
1492unsigned int 1543unsigned int
1505ev_backend (EV_P) 1556ev_backend (EV_P)
1506{ 1557{
1507 return backend; 1558 return backend;
1508} 1559}
1509 1560
1510#if EV_MINIMAL < 2 1561#if EV_FEATURE_API
1511unsigned int 1562unsigned int
1512ev_loop_count (EV_P) 1563ev_iteration (EV_P)
1513{ 1564{
1514 return loop_count; 1565 return loop_count;
1515} 1566}
1516 1567
1517unsigned int 1568unsigned int
1518ev_loop_depth (EV_P) 1569ev_depth (EV_P)
1519{ 1570{
1520 return loop_depth; 1571 return loop_depth;
1521} 1572}
1522 1573
1523void 1574void
1595 1646
1596 ev_rt_now = ev_time (); 1647 ev_rt_now = ev_time ();
1597 mn_now = get_clock (); 1648 mn_now = get_clock ();
1598 now_floor = mn_now; 1649 now_floor = mn_now;
1599 rtmn_diff = ev_rt_now - mn_now; 1650 rtmn_diff = ev_rt_now - mn_now;
1600#if EV_MINIMAL < 2 1651#if EV_FEATURE_API
1601 invoke_cb = ev_invoke_pending; 1652 invoke_cb = ev_invoke_pending;
1602#endif 1653#endif
1603 1654
1604 io_blocktime = 0.; 1655 io_blocktime = 0.;
1605 timeout_blocktime = 0.; 1656 timeout_blocktime = 0.;
1635 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1686 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1636#endif 1687#endif
1637 1688
1638 ev_prepare_init (&pending_w, pendingcb); 1689 ev_prepare_init (&pending_w, pendingcb);
1639 1690
1691#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1640 ev_init (&pipe_w, pipecb); 1692 ev_init (&pipe_w, pipecb);
1641 ev_set_priority (&pipe_w, EV_MAXPRI); 1693 ev_set_priority (&pipe_w, EV_MAXPRI);
1694#endif
1642 } 1695 }
1643} 1696}
1644 1697
1645/* free up a loop structure */ 1698/* free up a loop structure */
1646static void noinline 1699static void noinline
1764 { 1817 {
1765 EV_WIN32_CLOSE_FD (evpipe [0]); 1818 EV_WIN32_CLOSE_FD (evpipe [0]);
1766 EV_WIN32_CLOSE_FD (evpipe [1]); 1819 EV_WIN32_CLOSE_FD (evpipe [1]);
1767 } 1820 }
1768 1821
1822#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1769 evpipe_init (EV_A); 1823 evpipe_init (EV_A);
1770 /* now iterate over everything, in case we missed something */ 1824 /* now iterate over everything, in case we missed something */
1771 pipecb (EV_A_ &pipe_w, EV_READ); 1825 pipecb (EV_A_ &pipe_w, EV_READ);
1826#endif
1772 } 1827 }
1773 1828
1774 postfork = 0; 1829 postfork = 0;
1775} 1830}
1776 1831
1838 verify_watcher (EV_A_ ws [cnt]); 1893 verify_watcher (EV_A_ ws [cnt]);
1839 } 1894 }
1840} 1895}
1841#endif 1896#endif
1842 1897
1843#if EV_MINIMAL < 2 1898#if EV_FEATURE_API
1844void 1899void
1845ev_loop_verify (EV_P) 1900ev_verify (EV_P)
1846{ 1901{
1847#if EV_VERIFY 1902#if EV_VERIFY
1848 int i; 1903 int i;
1849 WL w; 1904 WL w;
1850 1905
1889#if EV_ASYNC_ENABLE 1944#if EV_ASYNC_ENABLE
1890 assert (asyncmax >= asynccnt); 1945 assert (asyncmax >= asynccnt);
1891 array_verify (EV_A_ (W *)asyncs, asynccnt); 1946 array_verify (EV_A_ (W *)asyncs, asynccnt);
1892#endif 1947#endif
1893 1948
1949#if EV_PREPARE_ENABLE
1894 assert (preparemax >= preparecnt); 1950 assert (preparemax >= preparecnt);
1895 array_verify (EV_A_ (W *)prepares, preparecnt); 1951 array_verify (EV_A_ (W *)prepares, preparecnt);
1952#endif
1896 1953
1954#if EV_CHECK_ENABLE
1897 assert (checkmax >= checkcnt); 1955 assert (checkmax >= checkcnt);
1898 array_verify (EV_A_ (W *)checks, checkcnt); 1956 array_verify (EV_A_ (W *)checks, checkcnt);
1957#endif
1899 1958
1900# if 0 1959# if 0
1960#if EV_CHILD_ENABLE
1901 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1961 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1902 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) 1962 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1963#endif
1903# endif 1964# endif
1904#endif 1965#endif
1905} 1966}
1906#endif 1967#endif
1907 1968
1923 1984
1924 loop_init (EV_A_ flags); 1985 loop_init (EV_A_ flags);
1925 1986
1926 if (ev_backend (EV_A)) 1987 if (ev_backend (EV_A))
1927 { 1988 {
1928#ifndef _WIN32 1989#if EV_CHILD_ENABLE
1929 ev_signal_init (&childev, childcb, SIGCHLD); 1990 ev_signal_init (&childev, childcb, SIGCHLD);
1930 ev_set_priority (&childev, EV_MAXPRI); 1991 ev_set_priority (&childev, EV_MAXPRI);
1931 ev_signal_start (EV_A_ &childev); 1992 ev_signal_start (EV_A_ &childev);
1932 ev_unref (EV_A); /* child watcher should not keep loop alive */ 1993 ev_unref (EV_A); /* child watcher should not keep loop alive */
1933#endif 1994#endif
1946 EV_P = ev_default_loop_ptr; 2007 EV_P = ev_default_loop_ptr;
1947#endif 2008#endif
1948 2009
1949 ev_default_loop_ptr = 0; 2010 ev_default_loop_ptr = 0;
1950 2011
1951#ifndef _WIN32 2012#if EV_CHILD_ENABLE
1952 ev_ref (EV_A); /* child watcher */ 2013 ev_ref (EV_A); /* child watcher */
1953 ev_signal_stop (EV_A_ &childev); 2014 ev_signal_stop (EV_A_ &childev);
1954#endif 2015#endif
1955 2016
1956 loop_destroy (EV_A); 2017 loop_destroy (EV_A);
2062 EV_FREQUENT_CHECK; 2123 EV_FREQUENT_CHECK;
2063 feed_reverse (EV_A_ (W)w); 2124 feed_reverse (EV_A_ (W)w);
2064 } 2125 }
2065 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2126 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2066 2127
2067 feed_reverse_done (EV_A_ EV_TIMEOUT); 2128 feed_reverse_done (EV_A_ EV_TIMER);
2068 } 2129 }
2069} 2130}
2070 2131
2071#if EV_PERIODIC_ENABLE 2132#if EV_PERIODIC_ENABLE
2072/* make periodics pending */ 2133/* make periodics pending */
2125 feed_reverse_done (EV_A_ EV_PERIODIC); 2186 feed_reverse_done (EV_A_ EV_PERIODIC);
2126 } 2187 }
2127} 2188}
2128 2189
2129/* simply recalculate all periodics */ 2190/* simply recalculate all periodics */
2130/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2191/* TODO: maybe ensure that at least one event happens when jumping forward? */
2131static void noinline 2192static void noinline
2132periodics_reschedule (EV_P) 2193periodics_reschedule (EV_P)
2133{ 2194{
2134 int i; 2195 int i;
2135 2196
2231 mn_now = ev_rt_now; 2292 mn_now = ev_rt_now;
2232 } 2293 }
2233} 2294}
2234 2295
2235void 2296void
2236ev_loop (EV_P_ int flags) 2297ev_run (EV_P_ int flags)
2237{ 2298{
2238#if EV_MINIMAL < 2 2299#if EV_FEATURE_API
2239 ++loop_depth; 2300 ++loop_depth;
2240#endif 2301#endif
2241 2302
2242 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2303 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2243 2304
2244 loop_done = EVUNLOOP_CANCEL; 2305 loop_done = EVBREAK_CANCEL;
2245 2306
2246 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2307 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2247 2308
2248 do 2309 do
2249 { 2310 {
2250#if EV_VERIFY >= 2 2311#if EV_VERIFY >= 2
2251 ev_loop_verify (EV_A); 2312 ev_verify (EV_A);
2252#endif 2313#endif
2253 2314
2254#ifndef _WIN32 2315#ifndef _WIN32
2255 if (expect_false (curpid)) /* penalise the forking check even more */ 2316 if (expect_false (curpid)) /* penalise the forking check even more */
2256 if (expect_false (getpid () != curpid)) 2317 if (expect_false (getpid () != curpid))
2268 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2329 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2269 EV_INVOKE_PENDING; 2330 EV_INVOKE_PENDING;
2270 } 2331 }
2271#endif 2332#endif
2272 2333
2334#if EV_PREPARE_ENABLE
2273 /* queue prepare watchers (and execute them) */ 2335 /* queue prepare watchers (and execute them) */
2274 if (expect_false (preparecnt)) 2336 if (expect_false (preparecnt))
2275 { 2337 {
2276 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2338 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2277 EV_INVOKE_PENDING; 2339 EV_INVOKE_PENDING;
2278 } 2340 }
2341#endif
2279 2342
2280 if (expect_false (loop_done)) 2343 if (expect_false (loop_done))
2281 break; 2344 break;
2282 2345
2283 /* we might have forked, so reify kernel state if necessary */ 2346 /* we might have forked, so reify kernel state if necessary */
2290 /* calculate blocking time */ 2353 /* calculate blocking time */
2291 { 2354 {
2292 ev_tstamp waittime = 0.; 2355 ev_tstamp waittime = 0.;
2293 ev_tstamp sleeptime = 0.; 2356 ev_tstamp sleeptime = 0.;
2294 2357
2358 /* remember old timestamp for io_blocktime calculation */
2359 ev_tstamp prev_mn_now = mn_now;
2360
2361 /* update time to cancel out callback processing overhead */
2362 time_update (EV_A_ 1e100);
2363
2295 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2364 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2296 { 2365 {
2297 /* remember old timestamp for io_blocktime calculation */
2298 ev_tstamp prev_mn_now = mn_now;
2299
2300 /* update time to cancel out callback processing overhead */
2301 time_update (EV_A_ 1e100);
2302
2303 waittime = MAX_BLOCKTIME; 2366 waittime = MAX_BLOCKTIME;
2304 2367
2305 if (timercnt) 2368 if (timercnt)
2306 { 2369 {
2307 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2370 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
2334 waittime -= sleeptime; 2397 waittime -= sleeptime;
2335 } 2398 }
2336 } 2399 }
2337 } 2400 }
2338 2401
2339#if EV_MINIMAL < 2 2402#if EV_FEATURE_API
2340 ++loop_count; 2403 ++loop_count;
2341#endif 2404#endif
2342 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2405 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2343 backend_poll (EV_A_ waittime); 2406 backend_poll (EV_A_ waittime);
2344 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2407 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2345 2408
2346 /* update ev_rt_now, do magic */ 2409 /* update ev_rt_now, do magic */
2347 time_update (EV_A_ waittime + sleeptime); 2410 time_update (EV_A_ waittime + sleeptime);
2348 } 2411 }
2349 2412
2356#if EV_IDLE_ENABLE 2419#if EV_IDLE_ENABLE
2357 /* queue idle watchers unless other events are pending */ 2420 /* queue idle watchers unless other events are pending */
2358 idle_reify (EV_A); 2421 idle_reify (EV_A);
2359#endif 2422#endif
2360 2423
2424#if EV_CHECK_ENABLE
2361 /* queue check watchers, to be executed first */ 2425 /* queue check watchers, to be executed first */
2362 if (expect_false (checkcnt)) 2426 if (expect_false (checkcnt))
2363 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2427 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2428#endif
2364 2429
2365 EV_INVOKE_PENDING; 2430 EV_INVOKE_PENDING;
2366 } 2431 }
2367 while (expect_true ( 2432 while (expect_true (
2368 activecnt 2433 activecnt
2369 && !loop_done 2434 && !loop_done
2370 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2435 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2371 )); 2436 ));
2372 2437
2373 if (loop_done == EVUNLOOP_ONE) 2438 if (loop_done == EVBREAK_ONE)
2374 loop_done = EVUNLOOP_CANCEL; 2439 loop_done = EVBREAK_CANCEL;
2375 2440
2376#if EV_MINIMAL < 2 2441#if EV_FEATURE_API
2377 --loop_depth; 2442 --loop_depth;
2378#endif 2443#endif
2379} 2444}
2380 2445
2381void 2446void
2382ev_unloop (EV_P_ int how) 2447ev_break (EV_P_ int how)
2383{ 2448{
2384 loop_done = how; 2449 loop_done = how;
2385} 2450}
2386 2451
2387void 2452void
2507 2572
2508 if (expect_false (ev_is_active (w))) 2573 if (expect_false (ev_is_active (w)))
2509 return; 2574 return;
2510 2575
2511 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 2576 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2512 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 2577 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2513 2578
2514 EV_FREQUENT_CHECK; 2579 EV_FREQUENT_CHECK;
2515 2580
2516 ev_start (EV_A_ (W)w, 1); 2581 ev_start (EV_A_ (W)w, 1);
2517 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 2582 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2535 EV_FREQUENT_CHECK; 2600 EV_FREQUENT_CHECK;
2536 2601
2537 wlist_del (&anfds[w->fd].head, (WL)w); 2602 wlist_del (&anfds[w->fd].head, (WL)w);
2538 ev_stop (EV_A_ (W)w); 2603 ev_stop (EV_A_ (W)w);
2539 2604
2540 fd_change (EV_A_ w->fd, 1); 2605 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2541 2606
2542 EV_FREQUENT_CHECK; 2607 EV_FREQUENT_CHECK;
2543} 2608}
2544 2609
2545void noinline 2610void noinline
2587 timers [active] = timers [timercnt + HEAP0]; 2652 timers [active] = timers [timercnt + HEAP0];
2588 adjustheap (timers, timercnt, active); 2653 adjustheap (timers, timercnt, active);
2589 } 2654 }
2590 } 2655 }
2591 2656
2592 EV_FREQUENT_CHECK;
2593
2594 ev_at (w) -= mn_now; 2657 ev_at (w) -= mn_now;
2595 2658
2596 ev_stop (EV_A_ (W)w); 2659 ev_stop (EV_A_ (W)w);
2660
2661 EV_FREQUENT_CHECK;
2597} 2662}
2598 2663
2599void noinline 2664void noinline
2600ev_timer_again (EV_P_ ev_timer *w) 2665ev_timer_again (EV_P_ ev_timer *w)
2601{ 2666{
2680 periodics [active] = periodics [periodiccnt + HEAP0]; 2745 periodics [active] = periodics [periodiccnt + HEAP0];
2681 adjustheap (periodics, periodiccnt, active); 2746 adjustheap (periodics, periodiccnt, active);
2682 } 2747 }
2683 } 2748 }
2684 2749
2685 EV_FREQUENT_CHECK;
2686
2687 ev_stop (EV_A_ (W)w); 2750 ev_stop (EV_A_ (W)w);
2751
2752 EV_FREQUENT_CHECK;
2688} 2753}
2689 2754
2690void noinline 2755void noinline
2691ev_periodic_again (EV_P_ ev_periodic *w) 2756ev_periodic_again (EV_P_ ev_periodic *w)
2692{ 2757{
2697#endif 2762#endif
2698 2763
2699#ifndef SA_RESTART 2764#ifndef SA_RESTART
2700# define SA_RESTART 0 2765# define SA_RESTART 0
2701#endif 2766#endif
2767
2768#if EV_SIGNAL_ENABLE
2702 2769
2703void noinline 2770void noinline
2704ev_signal_start (EV_P_ ev_signal *w) 2771ev_signal_start (EV_P_ ev_signal *w)
2705{ 2772{
2706 if (expect_false (ev_is_active (w))) 2773 if (expect_false (ev_is_active (w)))
2813 } 2880 }
2814 2881
2815 EV_FREQUENT_CHECK; 2882 EV_FREQUENT_CHECK;
2816} 2883}
2817 2884
2885#endif
2886
2887#if EV_CHILD_ENABLE
2888
2818void 2889void
2819ev_child_start (EV_P_ ev_child *w) 2890ev_child_start (EV_P_ ev_child *w)
2820{ 2891{
2821#if EV_MULTIPLICITY 2892#if EV_MULTIPLICITY
2822 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2893 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2825 return; 2896 return;
2826 2897
2827 EV_FREQUENT_CHECK; 2898 EV_FREQUENT_CHECK;
2828 2899
2829 ev_start (EV_A_ (W)w, 1); 2900 ev_start (EV_A_ (W)w, 1);
2830 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2901 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2831 2902
2832 EV_FREQUENT_CHECK; 2903 EV_FREQUENT_CHECK;
2833} 2904}
2834 2905
2835void 2906void
2839 if (expect_false (!ev_is_active (w))) 2910 if (expect_false (!ev_is_active (w)))
2840 return; 2911 return;
2841 2912
2842 EV_FREQUENT_CHECK; 2913 EV_FREQUENT_CHECK;
2843 2914
2844 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2915 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2845 ev_stop (EV_A_ (W)w); 2916 ev_stop (EV_A_ (W)w);
2846 2917
2847 EV_FREQUENT_CHECK; 2918 EV_FREQUENT_CHECK;
2848} 2919}
2920
2921#endif
2849 2922
2850#if EV_STAT_ENABLE 2923#if EV_STAT_ENABLE
2851 2924
2852# ifdef _WIN32 2925# ifdef _WIN32
2853# undef lstat 2926# undef lstat
2859#define MIN_STAT_INTERVAL 0.1074891 2932#define MIN_STAT_INTERVAL 0.1074891
2860 2933
2861static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 2934static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2862 2935
2863#if EV_USE_INOTIFY 2936#if EV_USE_INOTIFY
2864# define EV_INOTIFY_BUFSIZE 8192 2937
2938/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
2939# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2865 2940
2866static void noinline 2941static void noinline
2867infy_add (EV_P_ ev_stat *w) 2942infy_add (EV_P_ ev_stat *w)
2868{ 2943{
2869 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); 2944 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);
2918 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 2993 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2919 } 2994 }
2920 } 2995 }
2921 2996
2922 if (w->wd >= 0) 2997 if (w->wd >= 0)
2923 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 2998 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2924 2999
2925 /* now re-arm timer, if required */ 3000 /* now re-arm timer, if required */
2926 if (ev_is_active (&w->timer)) ev_ref (EV_A); 3001 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2927 ev_timer_again (EV_A_ &w->timer); 3002 ev_timer_again (EV_A_ &w->timer);
2928 if (ev_is_active (&w->timer)) ev_unref (EV_A); 3003 if (ev_is_active (&w->timer)) ev_unref (EV_A);
2936 3011
2937 if (wd < 0) 3012 if (wd < 0)
2938 return; 3013 return;
2939 3014
2940 w->wd = -2; 3015 w->wd = -2;
2941 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3016 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2942 wlist_del (&fs_hash [slot].head, (WL)w); 3017 wlist_del (&fs_hash [slot].head, (WL)w);
2943 3018
2944 /* remove this watcher, if others are watching it, they will rearm */ 3019 /* remove this watcher, if others are watching it, they will rearm */
2945 inotify_rm_watch (fs_fd, wd); 3020 inotify_rm_watch (fs_fd, wd);
2946} 3021}
2948static void noinline 3023static void noinline
2949infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3024infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2950{ 3025{
2951 if (slot < 0) 3026 if (slot < 0)
2952 /* overflow, need to check for all hash slots */ 3027 /* overflow, need to check for all hash slots */
2953 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3028 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2954 infy_wd (EV_A_ slot, wd, ev); 3029 infy_wd (EV_A_ slot, wd, ev);
2955 else 3030 else
2956 { 3031 {
2957 WL w_; 3032 WL w_;
2958 3033
2959 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3034 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2960 { 3035 {
2961 ev_stat *w = (ev_stat *)w_; 3036 ev_stat *w = (ev_stat *)w_;
2962 w_ = w_->next; /* lets us remove this watcher and all before it */ 3037 w_ = w_->next; /* lets us remove this watcher and all before it */
2963 3038
2964 if (w->wd == wd || wd == -1) 3039 if (w->wd == wd || wd == -1)
2965 { 3040 {
2966 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3041 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2967 { 3042 {
2968 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3043 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2969 w->wd = -1; 3044 w->wd = -1;
2970 infy_add (EV_A_ w); /* re-add, no matter what */ 3045 infy_add (EV_A_ w); /* re-add, no matter what */
2971 } 3046 }
2972 3047
2973 stat_timer_cb (EV_A_ &w->timer, 0); 3048 stat_timer_cb (EV_A_ &w->timer, 0);
2978 3053
2979static void 3054static void
2980infy_cb (EV_P_ ev_io *w, int revents) 3055infy_cb (EV_P_ ev_io *w, int revents)
2981{ 3056{
2982 char buf [EV_INOTIFY_BUFSIZE]; 3057 char buf [EV_INOTIFY_BUFSIZE];
2983 struct inotify_event *ev = (struct inotify_event *)buf;
2984 int ofs; 3058 int ofs;
2985 int len = read (fs_fd, buf, sizeof (buf)); 3059 int len = read (fs_fd, buf, sizeof (buf));
2986 3060
2987 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 3061 for (ofs = 0; ofs < len; )
3062 {
3063 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2988 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3064 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3065 ofs += sizeof (struct inotify_event) + ev->len;
3066 }
3067}
3068
3069inline_size unsigned int
3070ev_linux_version (void)
3071{
3072 struct utsname buf;
3073 unsigned int v;
3074 int i;
3075 char *p = buf.release;
3076
3077 if (uname (&buf))
3078 return 0;
3079
3080 for (i = 3+1; --i; )
3081 {
3082 unsigned int c = 0;
3083
3084 for (;;)
3085 {
3086 if (*p >= '0' && *p <= '9')
3087 c = c * 10 + *p++ - '0';
3088 else
3089 {
3090 p += *p == '.';
3091 break;
3092 }
3093 }
3094
3095 v = (v << 8) | c;
3096 }
3097
3098 return v;
2989} 3099}
2990 3100
2991inline_size void 3101inline_size void
2992check_2625 (EV_P) 3102ev_check_2625 (EV_P)
2993{ 3103{
2994 /* kernels < 2.6.25 are borked 3104 /* kernels < 2.6.25 are borked
2995 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3105 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2996 */ 3106 */
2997 struct utsname buf; 3107 if (ev_linux_version () < 0x020619)
2998 int major, minor, micro;
2999
3000 if (uname (&buf))
3001 return;
3002
3003 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
3004 return;
3005
3006 if (major < 2
3007 || (major == 2 && minor < 6)
3008 || (major == 2 && minor == 6 && micro < 25))
3009 return; 3108 return;
3010 3109
3011 fs_2625 = 1; 3110 fs_2625 = 1;
3012} 3111}
3013 3112
3028 if (fs_fd != -2) 3127 if (fs_fd != -2)
3029 return; 3128 return;
3030 3129
3031 fs_fd = -1; 3130 fs_fd = -1;
3032 3131
3033 check_2625 (EV_A); 3132 ev_check_2625 (EV_A);
3034 3133
3035 fs_fd = infy_newfd (); 3134 fs_fd = infy_newfd ();
3036 3135
3037 if (fs_fd >= 0) 3136 if (fs_fd >= 0)
3038 { 3137 {
3063 ev_io_set (&fs_w, fs_fd, EV_READ); 3162 ev_io_set (&fs_w, fs_fd, EV_READ);
3064 ev_io_start (EV_A_ &fs_w); 3163 ev_io_start (EV_A_ &fs_w);
3065 ev_unref (EV_A); 3164 ev_unref (EV_A);
3066 } 3165 }
3067 3166
3068 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3167 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3069 { 3168 {
3070 WL w_ = fs_hash [slot].head; 3169 WL w_ = fs_hash [slot].head;
3071 fs_hash [slot].head = 0; 3170 fs_hash [slot].head = 0;
3072 3171
3073 while (w_) 3172 while (w_)
3248 3347
3249 EV_FREQUENT_CHECK; 3348 EV_FREQUENT_CHECK;
3250} 3349}
3251#endif 3350#endif
3252 3351
3352#if EV_PREPARE_ENABLE
3253void 3353void
3254ev_prepare_start (EV_P_ ev_prepare *w) 3354ev_prepare_start (EV_P_ ev_prepare *w)
3255{ 3355{
3256 if (expect_false (ev_is_active (w))) 3356 if (expect_false (ev_is_active (w)))
3257 return; 3357 return;
3283 3383
3284 ev_stop (EV_A_ (W)w); 3384 ev_stop (EV_A_ (W)w);
3285 3385
3286 EV_FREQUENT_CHECK; 3386 EV_FREQUENT_CHECK;
3287} 3387}
3388#endif
3288 3389
3390#if EV_CHECK_ENABLE
3289void 3391void
3290ev_check_start (EV_P_ ev_check *w) 3392ev_check_start (EV_P_ ev_check *w)
3291{ 3393{
3292 if (expect_false (ev_is_active (w))) 3394 if (expect_false (ev_is_active (w)))
3293 return; 3395 return;
3319 3421
3320 ev_stop (EV_A_ (W)w); 3422 ev_stop (EV_A_ (W)w);
3321 3423
3322 EV_FREQUENT_CHECK; 3424 EV_FREQUENT_CHECK;
3323} 3425}
3426#endif
3324 3427
3325#if EV_EMBED_ENABLE 3428#if EV_EMBED_ENABLE
3326void noinline 3429void noinline
3327ev_embed_sweep (EV_P_ ev_embed *w) 3430ev_embed_sweep (EV_P_ ev_embed *w)
3328{ 3431{
3329 ev_loop (w->other, EVLOOP_NONBLOCK); 3432 ev_run (w->other, EVRUN_NOWAIT);
3330} 3433}
3331 3434
3332static void 3435static void
3333embed_io_cb (EV_P_ ev_io *io, int revents) 3436embed_io_cb (EV_P_ ev_io *io, int revents)
3334{ 3437{
3335 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3438 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3336 3439
3337 if (ev_cb (w)) 3440 if (ev_cb (w))
3338 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3441 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3339 else 3442 else
3340 ev_loop (w->other, EVLOOP_NONBLOCK); 3443 ev_run (w->other, EVRUN_NOWAIT);
3341} 3444}
3342 3445
3343static void 3446static void
3344embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3447embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3345{ 3448{
3349 EV_P = w->other; 3452 EV_P = w->other;
3350 3453
3351 while (fdchangecnt) 3454 while (fdchangecnt)
3352 { 3455 {
3353 fd_reify (EV_A); 3456 fd_reify (EV_A);
3354 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3457 ev_run (EV_A_ EVRUN_NOWAIT);
3355 } 3458 }
3356 } 3459 }
3357} 3460}
3358 3461
3359static void 3462static void
3365 3468
3366 { 3469 {
3367 EV_P = w->other; 3470 EV_P = w->other;
3368 3471
3369 ev_loop_fork (EV_A); 3472 ev_loop_fork (EV_A);
3370 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3473 ev_run (EV_A_ EVRUN_NOWAIT);
3371 } 3474 }
3372 3475
3373 ev_embed_start (EV_A_ w); 3476 ev_embed_start (EV_A_ w);
3374} 3477}
3375 3478
3423 3526
3424 ev_io_stop (EV_A_ &w->io); 3527 ev_io_stop (EV_A_ &w->io);
3425 ev_prepare_stop (EV_A_ &w->prepare); 3528 ev_prepare_stop (EV_A_ &w->prepare);
3426 ev_fork_stop (EV_A_ &w->fork); 3529 ev_fork_stop (EV_A_ &w->fork);
3427 3530
3531 ev_stop (EV_A_ (W)w);
3532
3428 EV_FREQUENT_CHECK; 3533 EV_FREQUENT_CHECK;
3429} 3534}
3430#endif 3535#endif
3431 3536
3432#if EV_FORK_ENABLE 3537#if EV_FORK_ENABLE
3471void 3576void
3472ev_async_start (EV_P_ ev_async *w) 3577ev_async_start (EV_P_ ev_async *w)
3473{ 3578{
3474 if (expect_false (ev_is_active (w))) 3579 if (expect_false (ev_is_active (w)))
3475 return; 3580 return;
3581
3582 w->sent = 0;
3476 3583
3477 evpipe_init (EV_A); 3584 evpipe_init (EV_A);
3478 3585
3479 EV_FREQUENT_CHECK; 3586 EV_FREQUENT_CHECK;
3480 3587
3558{ 3665{
3559 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3666 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3560 3667
3561 if (expect_false (!once)) 3668 if (expect_false (!once))
3562 { 3669 {
3563 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3670 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3564 return; 3671 return;
3565 } 3672 }
3566 3673
3567 once->cb = cb; 3674 once->cb = cb;
3568 once->arg = arg; 3675 once->arg = arg;
3655 if (types & EV_ASYNC) 3762 if (types & EV_ASYNC)
3656 for (i = asynccnt; i--; ) 3763 for (i = asynccnt; i--; )
3657 cb (EV_A_ EV_ASYNC, asyncs [i]); 3764 cb (EV_A_ EV_ASYNC, asyncs [i]);
3658#endif 3765#endif
3659 3766
3767#if EV_PREPARE_ENABLE
3660 if (types & EV_PREPARE) 3768 if (types & EV_PREPARE)
3661 for (i = preparecnt; i--; ) 3769 for (i = preparecnt; i--; )
3662#if EV_EMBED_ENABLE 3770# if EV_EMBED_ENABLE
3663 if (ev_cb (prepares [i]) != embed_prepare_cb) 3771 if (ev_cb (prepares [i]) != embed_prepare_cb)
3664#endif 3772# endif
3665 cb (EV_A_ EV_PREPARE, prepares [i]); 3773 cb (EV_A_ EV_PREPARE, prepares [i]);
3774#endif
3666 3775
3776#if EV_CHECK_ENABLE
3667 if (types & EV_CHECK) 3777 if (types & EV_CHECK)
3668 for (i = checkcnt; i--; ) 3778 for (i = checkcnt; i--; )
3669 cb (EV_A_ EV_CHECK, checks [i]); 3779 cb (EV_A_ EV_CHECK, checks [i]);
3780#endif
3670 3781
3782#if EV_SIGNAL_ENABLE
3671 if (types & EV_SIGNAL) 3783 if (types & EV_SIGNAL)
3672 for (i = 0; i < EV_NSIG - 1; ++i) 3784 for (i = 0; i < EV_NSIG - 1; ++i)
3673 for (wl = signals [i].head; wl; ) 3785 for (wl = signals [i].head; wl; )
3674 { 3786 {
3675 wn = wl->next; 3787 wn = wl->next;
3676 cb (EV_A_ EV_SIGNAL, wl); 3788 cb (EV_A_ EV_SIGNAL, wl);
3677 wl = wn; 3789 wl = wn;
3678 } 3790 }
3791#endif
3679 3792
3793#if EV_CHILD_ENABLE
3680 if (types & EV_CHILD) 3794 if (types & EV_CHILD)
3681 for (i = EV_PID_HASHSIZE; i--; ) 3795 for (i = (EV_PID_HASHSIZE); i--; )
3682 for (wl = childs [i]; wl; ) 3796 for (wl = childs [i]; wl; )
3683 { 3797 {
3684 wn = wl->next; 3798 wn = wl->next;
3685 cb (EV_A_ EV_CHILD, wl); 3799 cb (EV_A_ EV_CHILD, wl);
3686 wl = wn; 3800 wl = wn;
3687 } 3801 }
3802#endif
3688/* EV_STAT 0x00001000 /* stat data changed */ 3803/* EV_STAT 0x00001000 /* stat data changed */
3689/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 3804/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3690} 3805}
3691#endif 3806#endif
3692 3807

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