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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 1.372 by root, Wed Feb 16 08:02:50 2011 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) 2007,2008,2009,2010,2011 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,
… …
35 * and other provisions required by the GPL. If you do not delete the 35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under 36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL. 37 * either the BSD or the GPL.
38 */ 38 */
39 39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44/* this big block deduces configuration from config.h */ 40/* this big block deduces configuration from config.h */
45#ifndef EV_STANDALONE 41#ifndef EV_STANDALONE
46# ifdef EV_CONFIG_H 42# ifdef EV_CONFIG_H
47# include EV_CONFIG_H 43# include EV_CONFIG_H
48# else 44# else
… …
77# ifndef EV_USE_REALTIME 73# ifndef EV_USE_REALTIME
78# define EV_USE_REALTIME 0 74# define EV_USE_REALTIME 0
79# endif 75# endif
80# endif 76# endif
81 77
78# if HAVE_NANOSLEEP
82# ifndef EV_USE_NANOSLEEP 79# ifndef EV_USE_NANOSLEEP
83# if HAVE_NANOSLEEP
84# define EV_USE_NANOSLEEP 1 80# define EV_USE_NANOSLEEP EV_FEATURE_OS
81# endif
85# else 82# else
83# undef EV_USE_NANOSLEEP
86# define EV_USE_NANOSLEEP 0 84# define EV_USE_NANOSLEEP 0
85# endif
86
87# if HAVE_SELECT && HAVE_SYS_SELECT_H
88# ifndef EV_USE_SELECT
89# define EV_USE_SELECT EV_FEATURE_BACKENDS
87# endif 90# endif
91# else
92# undef EV_USE_SELECT
93# define EV_USE_SELECT 0
88# endif 94# endif
89 95
96# if HAVE_POLL && HAVE_POLL_H
90# ifndef EV_USE_SELECT 97# ifndef EV_USE_POLL
91# if HAVE_SELECT && HAVE_SYS_SELECT_H 98# define EV_USE_POLL EV_FEATURE_BACKENDS
92# define EV_USE_SELECT 1
93# else
94# define EV_USE_SELECT 0
95# endif 99# endif
96# endif
97
98# ifndef EV_USE_POLL
99# if HAVE_POLL && HAVE_POLL_H
100# define EV_USE_POLL 1
101# else 100# else
101# undef EV_USE_POLL
102# define EV_USE_POLL 0 102# define EV_USE_POLL 0
103# endif
104# endif 103# endif
105 104
106# ifndef EV_USE_EPOLL
107# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 105# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108# define EV_USE_EPOLL 1 106# ifndef EV_USE_EPOLL
109# else 107# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110# define EV_USE_EPOLL 0
111# endif 108# endif
109# else
110# undef EV_USE_EPOLL
111# define EV_USE_EPOLL 0
112# endif 112# endif
113 113
114# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 114# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
116# define EV_USE_KQUEUE 1 115# ifndef EV_USE_KQUEUE
117# else 116# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
118# define EV_USE_KQUEUE 0
119# endif 117# endif
118# else
119# undef EV_USE_KQUEUE
120# define EV_USE_KQUEUE 0
120# endif 121# endif
121 122
122# ifndef EV_USE_PORT
123# if HAVE_PORT_H && HAVE_PORT_CREATE 123# if HAVE_PORT_H && HAVE_PORT_CREATE
124# define EV_USE_PORT 1 124# ifndef EV_USE_PORT
125# else 125# define EV_USE_PORT EV_FEATURE_BACKENDS
126# define EV_USE_PORT 0
127# endif 126# endif
127# else
128# undef EV_USE_PORT
129# define EV_USE_PORT 0
128# endif 130# endif
129 131
130# ifndef EV_USE_INOTIFY
131# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H 132# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132# define EV_USE_INOTIFY 1 133# ifndef EV_USE_INOTIFY
133# else
134# define EV_USE_INOTIFY 0 134# define EV_USE_INOTIFY EV_FEATURE_OS
135# endif 135# endif
136# else
137# undef EV_USE_INOTIFY
138# define EV_USE_INOTIFY 0
136# endif 139# endif
137 140
138# ifndef EV_USE_SIGNALFD
139# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H 141# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140# define EV_USE_SIGNALFD 1 142# ifndef EV_USE_SIGNALFD
141# else
142# define EV_USE_SIGNALFD 0 143# define EV_USE_SIGNALFD EV_FEATURE_OS
143# endif 144# endif
145# else
146# undef EV_USE_SIGNALFD
147# define EV_USE_SIGNALFD 0
144# endif 148# endif
145 149
150# if HAVE_EVENTFD
146# ifndef EV_USE_EVENTFD 151# ifndef EV_USE_EVENTFD
147# if HAVE_EVENTFD
148# define EV_USE_EVENTFD 1 152# define EV_USE_EVENTFD EV_FEATURE_OS
149# else
150# define EV_USE_EVENTFD 0
151# endif 153# endif
154# else
155# undef EV_USE_EVENTFD
156# define EV_USE_EVENTFD 0
152# endif 157# endif
153 158
154#endif 159#endif
155 160
156#include <math.h> 161#include <math.h>
… …
163 168
164#include <assert.h> 169#include <assert.h>
165#include <errno.h> 170#include <errno.h>
166#include <sys/types.h> 171#include <sys/types.h>
167#include <time.h> 172#include <time.h>
173#include <limits.h>
168 174
169#include <signal.h> 175#include <signal.h>
170 176
171#ifdef EV_H 177#ifdef EV_H
172# include EV_H 178# include EV_H
173#else 179#else
174# include "ev.h" 180# include "ev.h"
175#endif 181#endif
182
183EV_CPP(extern "C" {)
176 184
177#ifndef _WIN32 185#ifndef _WIN32
178# include <sys/time.h> 186# include <sys/time.h>
179# include <sys/wait.h> 187# include <sys/wait.h>
180# include <unistd.h> 188# include <unistd.h>
… …
183# define WIN32_LEAN_AND_MEAN 191# define WIN32_LEAN_AND_MEAN
184# include <windows.h> 192# include <windows.h>
185# ifndef EV_SELECT_IS_WINSOCKET 193# ifndef EV_SELECT_IS_WINSOCKET
186# define EV_SELECT_IS_WINSOCKET 1 194# define EV_SELECT_IS_WINSOCKET 1
187# endif 195# endif
196# undef EV_AVOID_STDIO
188#endif 197#endif
198
199/* OS X, in its infinite idiocy, actually HARDCODES
200 * a limit of 1024 into their select. Where people have brains,
201 * OS X engineers apparently have a vacuum. Or maybe they were
202 * ordered to have a vacuum, or they do anything for money.
203 * This might help. Or not.
204 */
205#define _DARWIN_UNLIMITED_SELECT 1
189 206
190/* this block tries to deduce configuration from header-defined symbols and defaults */ 207/* this block tries to deduce configuration from header-defined symbols and defaults */
191 208
192/* try to deduce the maximum number of signals on this platform */ 209/* try to deduce the maximum number of signals on this platform */
193#if defined (EV_NSIG) 210#if defined (EV_NSIG)
… …
205#elif defined (MAXSIG) 222#elif defined (MAXSIG)
206# define EV_NSIG (MAXSIG+1) 223# define EV_NSIG (MAXSIG+1)
207#elif defined (MAX_SIG) 224#elif defined (MAX_SIG)
208# define EV_NSIG (MAX_SIG+1) 225# define EV_NSIG (MAX_SIG+1)
209#elif defined (SIGARRAYSIZE) 226#elif defined (SIGARRAYSIZE)
210# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 227# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
211#elif defined (_sys_nsig) 228#elif defined (_sys_nsig)
212# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 229# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
213#else 230#else
214# error "unable to find value for NSIG, please report" 231# error "unable to find value for NSIG, please report"
215/* to make it compile regardless, just remove the above line */ 232/* to make it compile regardless, just remove the above line, */
233/* but consider reporting it, too! :) */
216# define EV_NSIG 65 234# define EV_NSIG 65
217#endif 235#endif
218 236
219#ifndef EV_USE_CLOCK_SYSCALL 237#ifndef EV_USE_CLOCK_SYSCALL
220# if __linux && __GLIBC__ >= 2 238# if __linux && __GLIBC__ >= 2
221# define EV_USE_CLOCK_SYSCALL 1 239# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
222# else 240# else
223# define EV_USE_CLOCK_SYSCALL 0 241# define EV_USE_CLOCK_SYSCALL 0
224# endif 242# endif
225#endif 243#endif
226 244
227#ifndef EV_USE_MONOTONIC 245#ifndef EV_USE_MONOTONIC
228# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 246# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
229# define EV_USE_MONOTONIC 1 247# define EV_USE_MONOTONIC EV_FEATURE_OS
230# else 248# else
231# define EV_USE_MONOTONIC 0 249# define EV_USE_MONOTONIC 0
232# endif 250# endif
233#endif 251#endif
234 252
… …
236# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 254# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
237#endif 255#endif
238 256
239#ifndef EV_USE_NANOSLEEP 257#ifndef EV_USE_NANOSLEEP
240# if _POSIX_C_SOURCE >= 199309L 258# if _POSIX_C_SOURCE >= 199309L
241# define EV_USE_NANOSLEEP 1 259# define EV_USE_NANOSLEEP EV_FEATURE_OS
242# else 260# else
243# define EV_USE_NANOSLEEP 0 261# define EV_USE_NANOSLEEP 0
244# endif 262# endif
245#endif 263#endif
246 264
247#ifndef EV_USE_SELECT 265#ifndef EV_USE_SELECT
248# define EV_USE_SELECT 1 266# define EV_USE_SELECT EV_FEATURE_BACKENDS
249#endif 267#endif
250 268
251#ifndef EV_USE_POLL 269#ifndef EV_USE_POLL
252# ifdef _WIN32 270# ifdef _WIN32
253# define EV_USE_POLL 0 271# define EV_USE_POLL 0
254# else 272# else
255# define EV_USE_POLL 1 273# define EV_USE_POLL EV_FEATURE_BACKENDS
256# endif 274# endif
257#endif 275#endif
258 276
259#ifndef EV_USE_EPOLL 277#ifndef EV_USE_EPOLL
260# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 278# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
261# define EV_USE_EPOLL 1 279# define EV_USE_EPOLL EV_FEATURE_BACKENDS
262# else 280# else
263# define EV_USE_EPOLL 0 281# define EV_USE_EPOLL 0
264# endif 282# endif
265#endif 283#endif
266 284
… …
272# define EV_USE_PORT 0 290# define EV_USE_PORT 0
273#endif 291#endif
274 292
275#ifndef EV_USE_INOTIFY 293#ifndef EV_USE_INOTIFY
276# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 294# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
277# define EV_USE_INOTIFY 1 295# define EV_USE_INOTIFY EV_FEATURE_OS
278# else 296# else
279# define EV_USE_INOTIFY 0 297# define EV_USE_INOTIFY 0
280# endif 298# endif
281#endif 299#endif
282 300
283#ifndef EV_PID_HASHSIZE 301#ifndef EV_PID_HASHSIZE
284# if EV_MINIMAL 302# 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 303#endif
290 304
291#ifndef EV_INOTIFY_HASHSIZE 305#ifndef EV_INOTIFY_HASHSIZE
292# if EV_MINIMAL 306# 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 307#endif
298 308
299#ifndef EV_USE_EVENTFD 309#ifndef EV_USE_EVENTFD
300# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 310# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
301# define EV_USE_EVENTFD 1 311# define EV_USE_EVENTFD EV_FEATURE_OS
302# else 312# else
303# define EV_USE_EVENTFD 0 313# define EV_USE_EVENTFD 0
304# endif 314# endif
305#endif 315#endif
306 316
307#ifndef EV_USE_SIGNALFD 317#ifndef EV_USE_SIGNALFD
308# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 318# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
309# define EV_USE_SIGNALFD 1 319# define EV_USE_SIGNALFD EV_FEATURE_OS
310# else 320# else
311# define EV_USE_SIGNALFD 0 321# define EV_USE_SIGNALFD 0
312# endif 322# endif
313#endif 323#endif
314 324
… …
317# define EV_USE_4HEAP 1 327# define EV_USE_4HEAP 1
318# define EV_HEAP_CACHE_AT 1 328# define EV_HEAP_CACHE_AT 1
319#endif 329#endif
320 330
321#ifndef EV_VERIFY 331#ifndef EV_VERIFY
322# define EV_VERIFY !EV_MINIMAL 332# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
323#endif 333#endif
324 334
325#ifndef EV_USE_4HEAP 335#ifndef EV_USE_4HEAP
326# define EV_USE_4HEAP !EV_MINIMAL 336# define EV_USE_4HEAP EV_FEATURE_DATA
327#endif 337#endif
328 338
329#ifndef EV_HEAP_CACHE_AT 339#ifndef EV_HEAP_CACHE_AT
330# define EV_HEAP_CACHE_AT !EV_MINIMAL 340# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
331#endif 341#endif
332 342
333/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 343/* 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. */ 344/* which makes programs even slower. might work on other unices, too. */
335#if EV_USE_CLOCK_SYSCALL 345#if EV_USE_CLOCK_SYSCALL
… …
366# undef EV_USE_INOTIFY 376# undef EV_USE_INOTIFY
367# define EV_USE_INOTIFY 0 377# define EV_USE_INOTIFY 0
368#endif 378#endif
369 379
370#if !EV_USE_NANOSLEEP 380#if !EV_USE_NANOSLEEP
371# ifndef _WIN32 381/* hp-ux has it in sys/time.h, which we unconditionally include above */
382# if !defined(_WIN32) && !defined(__hpux)
372# include <sys/select.h> 383# include <sys/select.h>
373# endif 384# endif
374#endif 385#endif
375 386
376#if EV_USE_INOTIFY 387#if EV_USE_INOTIFY
377# include <sys/utsname.h>
378# include <sys/statfs.h> 388# include <sys/statfs.h>
379# include <sys/inotify.h> 389# include <sys/inotify.h>
380/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 390/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
381# ifndef IN_DONT_FOLLOW 391# ifndef IN_DONT_FOLLOW
382# undef EV_USE_INOTIFY 392# undef EV_USE_INOTIFY
… …
399# define EFD_CLOEXEC O_CLOEXEC 409# define EFD_CLOEXEC O_CLOEXEC
400# else 410# else
401# define EFD_CLOEXEC 02000000 411# define EFD_CLOEXEC 02000000
402# endif 412# endif
403# endif 413# endif
404# ifdef __cplusplus
405extern "C" {
406# endif
407int eventfd (unsigned int initval, int flags); 414EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
408# ifdef __cplusplus
409}
410# endif
411#endif 415#endif
412 416
413#if EV_USE_SIGNALFD 417#if EV_USE_SIGNALFD
414/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 418/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
415# include <stdint.h> 419# include <stdint.h>
… …
421# define SFD_CLOEXEC O_CLOEXEC 425# define SFD_CLOEXEC O_CLOEXEC
422# else 426# else
423# define SFD_CLOEXEC 02000000 427# define SFD_CLOEXEC 02000000
424# endif 428# endif
425# endif 429# endif
426# ifdef __cplusplus
427extern "C" {
428# endif
429int signalfd (int fd, const sigset_t *mask, int flags); 430EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
430 431
431struct signalfd_siginfo 432struct signalfd_siginfo
432{ 433{
433 uint32_t ssi_signo; 434 uint32_t ssi_signo;
434 char pad[128 - sizeof (uint32_t)]; 435 char pad[128 - sizeof (uint32_t)];
435}; 436};
436# ifdef __cplusplus
437}
438# endif 437#endif
439#endif
440
441 438
442/**/ 439/**/
443 440
444#if EV_VERIFY >= 3 441#if EV_VERIFY >= 3
445# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 442# define EV_FREQUENT_CHECK ev_verify (EV_A)
446#else 443#else
447# define EV_FREQUENT_CHECK do { } while (0) 444# define EV_FREQUENT_CHECK do { } while (0)
448#endif 445#endif
449 446
450/* 447/*
… …
458#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 455#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
459 456
460#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 457#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) */ 458#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
462 459
460#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)
462
463#if __GNUC__ >= 4 463#if __GNUC__ >= 4
464# define expect(expr,value) __builtin_expect ((expr),(value)) 464# define expect(expr,value) __builtin_expect ((expr),(value))
465# define noinline __attribute__ ((noinline)) 465# define noinline __attribute__ ((noinline))
466#else 466#else
467# define expect(expr,value) (expr) 467# define expect(expr,value) (expr)
… …
473 473
474#define expect_false(expr) expect ((expr) != 0, 0) 474#define expect_false(expr) expect ((expr) != 0, 0)
475#define expect_true(expr) expect ((expr) != 0, 1) 475#define expect_true(expr) expect ((expr) != 0, 1)
476#define inline_size static inline 476#define inline_size static inline
477 477
478#if EV_MINIMAL 478#if EV_FEATURE_CODE
479# define inline_speed static inline
480#else
479# define inline_speed static noinline 481# define inline_speed static noinline
480#else
481# define inline_speed static inline
482#endif 482#endif
483 483
484#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 484#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
485 485
486#if EV_MINPRI == EV_MAXPRI 486#if EV_MINPRI == EV_MAXPRI
… …
499#define ev_active(w) ((W)(w))->active 499#define ev_active(w) ((W)(w))->active
500#define ev_at(w) ((WT)(w))->at 500#define ev_at(w) ((WT)(w))->at
501 501
502#if EV_USE_REALTIME 502#if EV_USE_REALTIME
503/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 503/* 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 */ 504/* giving it a reasonably high chance of working on typical architectures */
505static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 505static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
506#endif 506#endif
507 507
508#if EV_USE_MONOTONIC 508#if EV_USE_MONOTONIC
509static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 509static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
… …
522#ifdef _WIN32 522#ifdef _WIN32
523# include "ev_win32.c" 523# include "ev_win32.c"
524#endif 524#endif
525 525
526/*****************************************************************************/ 526/*****************************************************************************/
527
528#ifdef __linux
529# include <sys/utsname.h>
530#endif
531
532static unsigned int noinline
533ev_linux_version (void)
534{
535#ifdef __linux
536 unsigned int v = 0;
537 struct utsname buf;
538 int i;
539 char *p = buf.release;
540
541 if (uname (&buf))
542 return 0;
543
544 for (i = 3+1; --i; )
545 {
546 unsigned int c = 0;
547
548 for (;;)
549 {
550 if (*p >= '0' && *p <= '9')
551 c = c * 10 + *p++ - '0';
552 else
553 {
554 p += *p == '.';
555 break;
556 }
557 }
558
559 v = (v << 8) | c;
560 }
561
562 return v;
563#else
564 return 0;
565#endif
566}
567
568/*****************************************************************************/
569
570#if EV_AVOID_STDIO
571static void noinline
572ev_printerr (const char *msg)
573{
574 write (STDERR_FILENO, msg, strlen (msg));
575}
576#endif
527 577
528static void (*syserr_cb)(const char *msg); 578static void (*syserr_cb)(const char *msg);
529 579
530void 580void
531ev_set_syserr_cb (void (*cb)(const char *msg)) 581ev_set_syserr_cb (void (*cb)(const char *msg))
… …
541 591
542 if (syserr_cb) 592 if (syserr_cb)
543 syserr_cb (msg); 593 syserr_cb (msg);
544 else 594 else
545 { 595 {
596#if EV_AVOID_STDIO
597 ev_printerr (msg);
598 ev_printerr (": ");
599 ev_printerr (strerror (errno));
600 ev_printerr ("\n");
601#else
546 perror (msg); 602 perror (msg);
603#endif
547 abort (); 604 abort ();
548 } 605 }
549} 606}
550 607
551static void * 608static void *
552ev_realloc_emul (void *ptr, long size) 609ev_realloc_emul (void *ptr, long size)
553{ 610{
611#if __GLIBC__
612 return realloc (ptr, size);
613#else
554 /* some systems, notably openbsd and darwin, fail to properly 614 /* some systems, notably openbsd and darwin, fail to properly
555 * implement realloc (x, 0) (as required by both ansi c-98 and 615 * implement realloc (x, 0) (as required by both ansi c-89 and
556 * the single unix specification, so work around them here. 616 * the single unix specification, so work around them here.
557 */ 617 */
558 618
559 if (size) 619 if (size)
560 return realloc (ptr, size); 620 return realloc (ptr, size);
561 621
562 free (ptr); 622 free (ptr);
563 return 0; 623 return 0;
624#endif
564} 625}
565 626
566static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 627static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
567 628
568void 629void
… …
576{ 637{
577 ptr = alloc (ptr, size); 638 ptr = alloc (ptr, size);
578 639
579 if (!ptr && size) 640 if (!ptr && size)
580 { 641 {
642#if EV_AVOID_STDIO
643 ev_printerr ("(libev) memory allocation failed, aborting.\n");
644#else
581 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 645 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
646#endif
582 abort (); 647 abort ();
583 } 648 }
584 649
585 return ptr; 650 return ptr;
586} 651}
… …
602 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 667 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
603 unsigned char unused; 668 unsigned char unused;
604#if EV_USE_EPOLL 669#if EV_USE_EPOLL
605 unsigned int egen; /* generation counter to counter epoll bugs */ 670 unsigned int egen; /* generation counter to counter epoll bugs */
606#endif 671#endif
607#if EV_SELECT_IS_WINSOCKET 672#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
608 SOCKET handle; 673 SOCKET handle;
674#endif
675#if EV_USE_IOCP
676 OVERLAPPED or, ow;
609#endif 677#endif
610} ANFD; 678} ANFD;
611 679
612/* stores the pending event set for a given watcher */ 680/* stores the pending event set for a given watcher */
613typedef struct 681typedef struct
… …
668 736
669 static int ev_default_loop_ptr; 737 static int ev_default_loop_ptr;
670 738
671#endif 739#endif
672 740
673#if EV_MINIMAL < 2 741#if EV_FEATURE_API
674# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 742# 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) 743# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
676# define EV_INVOKE_PENDING invoke_cb (EV_A) 744# define EV_INVOKE_PENDING invoke_cb (EV_A)
677#else 745#else
678# define EV_RELEASE_CB (void)0 746# define EV_RELEASE_CB (void)0
679# define EV_ACQUIRE_CB (void)0 747# define EV_ACQUIRE_CB (void)0
680# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 748# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
681#endif 749#endif
682 750
683#define EVUNLOOP_RECURSE 0x80 751#define EVBREAK_RECURSE 0x80
684 752
685/*****************************************************************************/ 753/*****************************************************************************/
686 754
687#ifndef EV_HAVE_EV_TIME 755#ifndef EV_HAVE_EV_TIME
688ev_tstamp 756ev_tstamp
… …
732 if (delay > 0.) 800 if (delay > 0.)
733 { 801 {
734#if EV_USE_NANOSLEEP 802#if EV_USE_NANOSLEEP
735 struct timespec ts; 803 struct timespec ts;
736 804
737 ts.tv_sec = (time_t)delay; 805 EV_TS_SET (ts, delay);
738 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
739
740 nanosleep (&ts, 0); 806 nanosleep (&ts, 0);
741#elif defined(_WIN32) 807#elif defined(_WIN32)
742 Sleep ((unsigned long)(delay * 1e3)); 808 Sleep ((unsigned long)(delay * 1e3));
743#else 809#else
744 struct timeval tv; 810 struct timeval tv;
745 811
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 */ 812 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
750 /* something not guaranteed by newer posix versions, but guaranteed */ 813 /* something not guaranteed by newer posix versions, but guaranteed */
751 /* by older ones */ 814 /* by older ones */
815 EV_TV_SET (tv, delay);
752 select (0, 0, 0, 0, &tv); 816 select (0, 0, 0, 0, &tv);
753#endif 817#endif
754 } 818 }
755} 819}
756 820
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
757/*****************************************************************************/ 829/*****************************************************************************/
758 830
759#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 831#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
760 832
761/* find a suitable new size for the given array, */ 833/* find a suitable new size for the given array, */
762/* hopefully by rounding to a ncie-to-malloc size */ 834/* hopefully by rounding to a nice-to-malloc size */
763inline_size int 835inline_size int
764array_nextsize (int elem, int cur, int cnt) 836array_nextsize (int elem, int cur, int cnt)
765{ 837{
766 int ncur = cur + 1; 838 int ncur = cur + 1;
767 839
… …
863} 935}
864 936
865/*****************************************************************************/ 937/*****************************************************************************/
866 938
867inline_speed void 939inline_speed void
868fd_event_nc (EV_P_ int fd, int revents) 940fd_event_nocheck (EV_P_ int fd, int revents)
869{ 941{
870 ANFD *anfd = anfds + fd; 942 ANFD *anfd = anfds + fd;
871 ev_io *w; 943 ev_io *w;
872 944
873 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 945 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
… …
885fd_event (EV_P_ int fd, int revents) 957fd_event (EV_P_ int fd, int revents)
886{ 958{
887 ANFD *anfd = anfds + fd; 959 ANFD *anfd = anfds + fd;
888 960
889 if (expect_true (!anfd->reify)) 961 if (expect_true (!anfd->reify))
890 fd_event_nc (EV_A_ fd, revents); 962 fd_event_nocheck (EV_A_ fd, revents);
891} 963}
892 964
893void 965void
894ev_feed_fd_event (EV_P_ int fd, int revents) 966ev_feed_fd_event (EV_P_ int fd, int revents)
895{ 967{
896 if (fd >= 0 && fd < anfdmax) 968 if (fd >= 0 && fd < anfdmax)
897 fd_event_nc (EV_A_ fd, revents); 969 fd_event_nocheck (EV_A_ fd, revents);
898} 970}
899 971
900/* make sure the external fd watch events are in-sync */ 972/* make sure the external fd watch events are in-sync */
901/* with the kernel/libev internal state */ 973/* with the kernel/libev internal state */
902inline_size void 974inline_size void
903fd_reify (EV_P) 975fd_reify (EV_P)
904{ 976{
905 int i; 977 int i;
906 978
979#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
980 for (i = 0; i < fdchangecnt; ++i)
981 {
982 int fd = fdchanges [i];
983 ANFD *anfd = anfds + fd;
984
985 if (anfd->reify & EV__IOFDSET)
986 {
987 SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
988
989 if (handle != anfd->handle)
990 {
991 unsigned long arg;
992
993 assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
994
995 /* handle changed, but fd didn't - we need to do it in two steps */
996 backend_modify (EV_A_ fd, anfd->events, 0);
997 anfd->events = 0;
998 anfd->handle = handle;
999 }
1000 }
1001 }
1002#endif
1003
907 for (i = 0; i < fdchangecnt; ++i) 1004 for (i = 0; i < fdchangecnt; ++i)
908 { 1005 {
909 int fd = fdchanges [i]; 1006 int fd = fdchanges [i];
910 ANFD *anfd = anfds + fd; 1007 ANFD *anfd = anfds + fd;
911 ev_io *w; 1008 ev_io *w;
912 1009
913 unsigned char events = 0; 1010 unsigned char o_events = anfd->events;
1011 unsigned char o_reify = anfd->reify;
914 1012
915 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1013 anfd->reify = 0;
916 events |= (unsigned char)w->events;
917 1014
918#if EV_SELECT_IS_WINSOCKET 1015 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
919 if (events)
920 { 1016 {
921 unsigned long arg; 1017 anfd->events = 0;
922 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 1018
923 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 1019 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1020 anfd->events |= (unsigned char)w->events;
1021
1022 if (o_events != anfd->events)
1023 o_reify = EV__IOFDSET; /* actually |= */
924 } 1024 }
925#endif
926 1025
927 { 1026 if (o_reify & EV__IOFDSET)
928 unsigned char o_events = anfd->events;
929 unsigned char o_reify = anfd->reify;
930
931 anfd->reify = 0;
932 anfd->events = events;
933
934 if (o_events != events || o_reify & EV__IOFDSET)
935 backend_modify (EV_A_ fd, o_events, events); 1027 backend_modify (EV_A_ fd, o_events, anfd->events);
936 }
937 } 1028 }
938 1029
939 fdchangecnt = 0; 1030 fdchangecnt = 0;
940} 1031}
941 1032
… …
965 ev_io_stop (EV_A_ w); 1056 ev_io_stop (EV_A_ w);
966 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1057 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
967 } 1058 }
968} 1059}
969 1060
970/* check whether the given fd is atcually valid, for error recovery */ 1061/* check whether the given fd is actually valid, for error recovery */
971inline_size int 1062inline_size int
972fd_valid (int fd) 1063fd_valid (int fd)
973{ 1064{
974#ifdef _WIN32 1065#ifdef _WIN32
975 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 1066 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
… …
1017 anfds [fd].emask = 0; 1108 anfds [fd].emask = 0;
1018 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1109 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
1019 } 1110 }
1020} 1111}
1021 1112
1113/* used to prepare libev internal fd's */
1114/* this is not fork-safe */
1115inline_speed void
1116fd_intern (int fd)
1117{
1118#ifdef _WIN32
1119 unsigned long arg = 1;
1120 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1121#else
1122 fcntl (fd, F_SETFD, FD_CLOEXEC);
1123 fcntl (fd, F_SETFL, O_NONBLOCK);
1124#endif
1125}
1126
1022/*****************************************************************************/ 1127/*****************************************************************************/
1023 1128
1024/* 1129/*
1025 * the heap functions want a real array index. array index 0 uis guaranteed to not 1130 * 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 1131 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1027 * the branching factor of the d-tree. 1132 * the branching factor of the d-tree.
1028 */ 1133 */
1029 1134
1030/* 1135/*
… …
1178 1283
1179static ANSIG signals [EV_NSIG - 1]; 1284static ANSIG signals [EV_NSIG - 1];
1180 1285
1181/*****************************************************************************/ 1286/*****************************************************************************/
1182 1287
1183/* used to prepare libev internal fd's */ 1288#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 1289
1197static void noinline 1290static void noinline
1198evpipe_init (EV_P) 1291evpipe_init (EV_P)
1199{ 1292{
1200 if (!ev_is_active (&pipe_w)) 1293 if (!ev_is_active (&pipe_w))
1201 { 1294 {
1202#if EV_USE_EVENTFD 1295# if EV_USE_EVENTFD
1203 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1296 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1204 if (evfd < 0 && errno == EINVAL) 1297 if (evfd < 0 && errno == EINVAL)
1205 evfd = eventfd (0, 0); 1298 evfd = eventfd (0, 0);
1206 1299
1207 if (evfd >= 0) 1300 if (evfd >= 0)
… …
1209 evpipe [0] = -1; 1302 evpipe [0] = -1;
1210 fd_intern (evfd); /* doing it twice doesn't hurt */ 1303 fd_intern (evfd); /* doing it twice doesn't hurt */
1211 ev_io_set (&pipe_w, evfd, EV_READ); 1304 ev_io_set (&pipe_w, evfd, EV_READ);
1212 } 1305 }
1213 else 1306 else
1214#endif 1307# endif
1215 { 1308 {
1216 while (pipe (evpipe)) 1309 while (pipe (evpipe))
1217 ev_syserr ("(libev) error creating signal/async pipe"); 1310 ev_syserr ("(libev) error creating signal/async pipe");
1218 1311
1219 fd_intern (evpipe [0]); 1312 fd_intern (evpipe [0]);
… …
1230evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1323evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1231{ 1324{
1232 if (!*flag) 1325 if (!*flag)
1233 { 1326 {
1234 int old_errno = errno; /* save errno because write might clobber it */ 1327 int old_errno = errno; /* save errno because write might clobber it */
1328 char dummy;
1235 1329
1236 *flag = 1; 1330 *flag = 1;
1237 1331
1238#if EV_USE_EVENTFD 1332#if EV_USE_EVENTFD
1239 if (evfd >= 0) 1333 if (evfd >= 0)
… …
1241 uint64_t counter = 1; 1335 uint64_t counter = 1;
1242 write (evfd, &counter, sizeof (uint64_t)); 1336 write (evfd, &counter, sizeof (uint64_t));
1243 } 1337 }
1244 else 1338 else
1245#endif 1339#endif
1340 /* win32 people keep sending patches that change this write() to send() */
1341 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1342 /* so when you think this write should be a send instead, please find out */
1343 /* where your send() is from - it's definitely not the microsoft send, and */
1344 /* tell me. thank you. */
1246 write (evpipe [1], &old_errno, 1); 1345 write (evpipe [1], &dummy, 1);
1247 1346
1248 errno = old_errno; 1347 errno = old_errno;
1249 } 1348 }
1250} 1349}
1251 1350
… …
1264 } 1363 }
1265 else 1364 else
1266#endif 1365#endif
1267 { 1366 {
1268 char dummy; 1367 char dummy;
1368 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1269 read (evpipe [0], &dummy, 1); 1369 read (evpipe [0], &dummy, 1);
1270 } 1370 }
1271 1371
1372#if EV_SIGNAL_ENABLE
1272 if (sig_pending) 1373 if (sig_pending)
1273 { 1374 {
1274 sig_pending = 0; 1375 sig_pending = 0;
1275 1376
1276 for (i = EV_NSIG - 1; i--; ) 1377 for (i = EV_NSIG - 1; i--; )
1277 if (expect_false (signals [i].pending)) 1378 if (expect_false (signals [i].pending))
1278 ev_feed_signal_event (EV_A_ i + 1); 1379 ev_feed_signal_event (EV_A_ i + 1);
1279 } 1380 }
1381#endif
1280 1382
1281#if EV_ASYNC_ENABLE 1383#if EV_ASYNC_ENABLE
1282 if (async_pending) 1384 if (async_pending)
1283 { 1385 {
1284 async_pending = 0; 1386 async_pending = 0;
… …
1293#endif 1395#endif
1294} 1396}
1295 1397
1296/*****************************************************************************/ 1398/*****************************************************************************/
1297 1399
1400void
1401ev_feed_signal (int signum)
1402{
1403#if EV_MULTIPLICITY
1404 EV_P = signals [signum - 1].loop;
1405
1406 if (!EV_A)
1407 return;
1408#endif
1409
1410 signals [signum - 1].pending = 1;
1411 evpipe_write (EV_A_ &sig_pending);
1412}
1413
1298static void 1414static void
1299ev_sighandler (int signum) 1415ev_sighandler (int signum)
1300{ 1416{
1301#if EV_MULTIPLICITY
1302 EV_P = signals [signum - 1].loop;
1303#endif
1304
1305#ifdef _WIN32 1417#ifdef _WIN32
1306 signal (signum, ev_sighandler); 1418 signal (signum, ev_sighandler);
1307#endif 1419#endif
1308 1420
1309 signals [signum - 1].pending = 1; 1421 ev_feed_signal (signum);
1310 evpipe_write (EV_A_ &sig_pending);
1311} 1422}
1312 1423
1313void noinline 1424void noinline
1314ev_feed_signal_event (EV_P_ int signum) 1425ev_feed_signal_event (EV_P_ int signum)
1315{ 1426{
… …
1352 break; 1463 break;
1353 } 1464 }
1354} 1465}
1355#endif 1466#endif
1356 1467
1468#endif
1469
1357/*****************************************************************************/ 1470/*****************************************************************************/
1358 1471
1472#if EV_CHILD_ENABLE
1359static WL childs [EV_PID_HASHSIZE]; 1473static WL childs [EV_PID_HASHSIZE];
1360
1361#ifndef _WIN32
1362 1474
1363static ev_signal childev; 1475static ev_signal childev;
1364 1476
1365#ifndef WIFCONTINUED 1477#ifndef WIFCONTINUED
1366# define WIFCONTINUED(status) 0 1478# define WIFCONTINUED(status) 0
… …
1371child_reap (EV_P_ int chain, int pid, int status) 1483child_reap (EV_P_ int chain, int pid, int status)
1372{ 1484{
1373 ev_child *w; 1485 ev_child *w;
1374 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1486 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1375 1487
1376 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1488 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1377 { 1489 {
1378 if ((w->pid == pid || !w->pid) 1490 if ((w->pid == pid || !w->pid)
1379 && (!traced || (w->flags & 1))) 1491 && (!traced || (w->flags & 1)))
1380 { 1492 {
1381 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1493 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 */ 1518 /* 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 */ 1519 /* 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); 1520 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1409 1521
1410 child_reap (EV_A_ pid, pid, status); 1522 child_reap (EV_A_ pid, pid, status);
1411 if (EV_PID_HASHSIZE > 1) 1523 if ((EV_PID_HASHSIZE) > 1)
1412 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1524 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1413} 1525}
1414 1526
1415#endif 1527#endif
1416 1528
1417/*****************************************************************************/ 1529/*****************************************************************************/
1418 1530
1531#if EV_USE_IOCP
1532# include "ev_iocp.c"
1533#endif
1419#if EV_USE_PORT 1534#if EV_USE_PORT
1420# include "ev_port.c" 1535# include "ev_port.c"
1421#endif 1536#endif
1422#if EV_USE_KQUEUE 1537#if EV_USE_KQUEUE
1423# include "ev_kqueue.c" 1538# include "ev_kqueue.c"
… …
1483#ifdef __APPLE__ 1598#ifdef __APPLE__
1484 /* only select works correctly on that "unix-certified" platform */ 1599 /* only select works correctly on that "unix-certified" platform */
1485 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1600 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1486 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1601 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1487#endif 1602#endif
1603#ifdef __FreeBSD__
1604 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1605#endif
1488 1606
1489 return flags; 1607 return flags;
1490} 1608}
1491 1609
1492unsigned int 1610unsigned int
1493ev_embeddable_backends (void) 1611ev_embeddable_backends (void)
1494{ 1612{
1495 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1613 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1496 1614
1497 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1615 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1498 /* please fix it and tell me how to detect the fix */ 1616 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1499 flags &= ~EVBACKEND_EPOLL; 1617 flags &= ~EVBACKEND_EPOLL;
1500 1618
1501 return flags; 1619 return flags;
1502} 1620}
1503 1621
1504unsigned int 1622unsigned int
1505ev_backend (EV_P) 1623ev_backend (EV_P)
1506{ 1624{
1507 return backend; 1625 return backend;
1508} 1626}
1509 1627
1510#if EV_MINIMAL < 2 1628#if EV_FEATURE_API
1511unsigned int 1629unsigned int
1512ev_loop_count (EV_P) 1630ev_iteration (EV_P)
1513{ 1631{
1514 return loop_count; 1632 return loop_count;
1515} 1633}
1516 1634
1517unsigned int 1635unsigned int
1518ev_loop_depth (EV_P) 1636ev_depth (EV_P)
1519{ 1637{
1520 return loop_depth; 1638 return loop_depth;
1521} 1639}
1522 1640
1523void 1641void
… …
1560static void noinline 1678static void noinline
1561loop_init (EV_P_ unsigned int flags) 1679loop_init (EV_P_ unsigned int flags)
1562{ 1680{
1563 if (!backend) 1681 if (!backend)
1564 { 1682 {
1683 origflags = flags;
1684
1565#if EV_USE_REALTIME 1685#if EV_USE_REALTIME
1566 if (!have_realtime) 1686 if (!have_realtime)
1567 { 1687 {
1568 struct timespec ts; 1688 struct timespec ts;
1569 1689
… …
1595 1715
1596 ev_rt_now = ev_time (); 1716 ev_rt_now = ev_time ();
1597 mn_now = get_clock (); 1717 mn_now = get_clock ();
1598 now_floor = mn_now; 1718 now_floor = mn_now;
1599 rtmn_diff = ev_rt_now - mn_now; 1719 rtmn_diff = ev_rt_now - mn_now;
1600#if EV_MINIMAL < 2 1720#if EV_FEATURE_API
1601 invoke_cb = ev_invoke_pending; 1721 invoke_cb = ev_invoke_pending;
1602#endif 1722#endif
1603 1723
1604 io_blocktime = 0.; 1724 io_blocktime = 0.;
1605 timeout_blocktime = 0.; 1725 timeout_blocktime = 0.;
… …
1614#endif 1734#endif
1615#if EV_USE_SIGNALFD 1735#if EV_USE_SIGNALFD
1616 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 1736 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1617#endif 1737#endif
1618 1738
1619 if (!(flags & 0x0000ffffU)) 1739 if (!(flags & EVBACKEND_MASK))
1620 flags |= ev_recommended_backends (); 1740 flags |= ev_recommended_backends ();
1621 1741
1742#if EV_USE_IOCP
1743 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1744#endif
1622#if EV_USE_PORT 1745#if EV_USE_PORT
1623 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1746 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1624#endif 1747#endif
1625#if EV_USE_KQUEUE 1748#if EV_USE_KQUEUE
1626 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1749 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1635 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1758 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1636#endif 1759#endif
1637 1760
1638 ev_prepare_init (&pending_w, pendingcb); 1761 ev_prepare_init (&pending_w, pendingcb);
1639 1762
1763#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1640 ev_init (&pipe_w, pipecb); 1764 ev_init (&pipe_w, pipecb);
1641 ev_set_priority (&pipe_w, EV_MAXPRI); 1765 ev_set_priority (&pipe_w, EV_MAXPRI);
1766#endif
1642 } 1767 }
1643} 1768}
1644 1769
1645/* free up a loop structure */ 1770/* free up a loop structure */
1646static void noinline 1771void
1647loop_destroy (EV_P) 1772ev_loop_destroy (EV_P)
1648{ 1773{
1649 int i; 1774 int i;
1775
1776#if EV_MULTIPLICITY
1777 /* mimic free (0) */
1778 if (!EV_A)
1779 return;
1780#endif
1781
1782#if EV_CLEANUP_ENABLE
1783 /* queue cleanup watchers (and execute them) */
1784 if (expect_false (cleanupcnt))
1785 {
1786 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
1787 EV_INVOKE_PENDING;
1788 }
1789#endif
1790
1791#if EV_CHILD_ENABLE
1792 if (ev_is_active (&childev))
1793 {
1794 ev_ref (EV_A); /* child watcher */
1795 ev_signal_stop (EV_A_ &childev);
1796 }
1797#endif
1650 1798
1651 if (ev_is_active (&pipe_w)) 1799 if (ev_is_active (&pipe_w))
1652 { 1800 {
1653 /*ev_ref (EV_A);*/ 1801 /*ev_ref (EV_A);*/
1654 /*ev_io_stop (EV_A_ &pipe_w);*/ 1802 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1676#endif 1824#endif
1677 1825
1678 if (backend_fd >= 0) 1826 if (backend_fd >= 0)
1679 close (backend_fd); 1827 close (backend_fd);
1680 1828
1829#if EV_USE_IOCP
1830 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1831#endif
1681#if EV_USE_PORT 1832#if EV_USE_PORT
1682 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1833 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1683#endif 1834#endif
1684#if EV_USE_KQUEUE 1835#if EV_USE_KQUEUE
1685 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1836 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1712 array_free (periodic, EMPTY); 1863 array_free (periodic, EMPTY);
1713#endif 1864#endif
1714#if EV_FORK_ENABLE 1865#if EV_FORK_ENABLE
1715 array_free (fork, EMPTY); 1866 array_free (fork, EMPTY);
1716#endif 1867#endif
1868#if EV_CLEANUP_ENABLE
1869 array_free (cleanup, EMPTY);
1870#endif
1717 array_free (prepare, EMPTY); 1871 array_free (prepare, EMPTY);
1718 array_free (check, EMPTY); 1872 array_free (check, EMPTY);
1719#if EV_ASYNC_ENABLE 1873#if EV_ASYNC_ENABLE
1720 array_free (async, EMPTY); 1874 array_free (async, EMPTY);
1721#endif 1875#endif
1722 1876
1723 backend = 0; 1877 backend = 0;
1878
1879#if EV_MULTIPLICITY
1880 if (ev_is_default_loop (EV_A))
1881#endif
1882 ev_default_loop_ptr = 0;
1883#if EV_MULTIPLICITY
1884 else
1885 ev_free (EV_A);
1886#endif
1724} 1887}
1725 1888
1726#if EV_USE_INOTIFY 1889#if EV_USE_INOTIFY
1727inline_size void infy_fork (EV_P); 1890inline_size void infy_fork (EV_P);
1728#endif 1891#endif
… …
1764 { 1927 {
1765 EV_WIN32_CLOSE_FD (evpipe [0]); 1928 EV_WIN32_CLOSE_FD (evpipe [0]);
1766 EV_WIN32_CLOSE_FD (evpipe [1]); 1929 EV_WIN32_CLOSE_FD (evpipe [1]);
1767 } 1930 }
1768 1931
1932#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1769 evpipe_init (EV_A); 1933 evpipe_init (EV_A);
1770 /* now iterate over everything, in case we missed something */ 1934 /* now iterate over everything, in case we missed something */
1771 pipecb (EV_A_ &pipe_w, EV_READ); 1935 pipecb (EV_A_ &pipe_w, EV_READ);
1936#endif
1772 } 1937 }
1773 1938
1774 postfork = 0; 1939 postfork = 0;
1775} 1940}
1776 1941
… …
1785 loop_init (EV_A_ flags); 1950 loop_init (EV_A_ flags);
1786 1951
1787 if (ev_backend (EV_A)) 1952 if (ev_backend (EV_A))
1788 return EV_A; 1953 return EV_A;
1789 1954
1955 ev_free (EV_A);
1790 return 0; 1956 return 0;
1791} 1957}
1792 1958
1793void
1794ev_loop_destroy (EV_P)
1795{
1796 loop_destroy (EV_A);
1797 ev_free (loop);
1798}
1799
1800void
1801ev_loop_fork (EV_P)
1802{
1803 postfork = 1; /* must be in line with ev_default_fork */
1804}
1805#endif /* multiplicity */ 1959#endif /* multiplicity */
1806 1960
1807#if EV_VERIFY 1961#if EV_VERIFY
1808static void noinline 1962static void noinline
1809verify_watcher (EV_P_ W w) 1963verify_watcher (EV_P_ W w)
… …
1838 verify_watcher (EV_A_ ws [cnt]); 1992 verify_watcher (EV_A_ ws [cnt]);
1839 } 1993 }
1840} 1994}
1841#endif 1995#endif
1842 1996
1843#if EV_MINIMAL < 2 1997#if EV_FEATURE_API
1844void 1998void
1845ev_loop_verify (EV_P) 1999ev_verify (EV_P)
1846{ 2000{
1847#if EV_VERIFY 2001#if EV_VERIFY
1848 int i; 2002 int i;
1849 WL w; 2003 WL w;
1850 2004
… …
1884#if EV_FORK_ENABLE 2038#if EV_FORK_ENABLE
1885 assert (forkmax >= forkcnt); 2039 assert (forkmax >= forkcnt);
1886 array_verify (EV_A_ (W *)forks, forkcnt); 2040 array_verify (EV_A_ (W *)forks, forkcnt);
1887#endif 2041#endif
1888 2042
2043#if EV_CLEANUP_ENABLE
2044 assert (cleanupmax >= cleanupcnt);
2045 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2046#endif
2047
1889#if EV_ASYNC_ENABLE 2048#if EV_ASYNC_ENABLE
1890 assert (asyncmax >= asynccnt); 2049 assert (asyncmax >= asynccnt);
1891 array_verify (EV_A_ (W *)asyncs, asynccnt); 2050 array_verify (EV_A_ (W *)asyncs, asynccnt);
1892#endif 2051#endif
1893 2052
2053#if EV_PREPARE_ENABLE
1894 assert (preparemax >= preparecnt); 2054 assert (preparemax >= preparecnt);
1895 array_verify (EV_A_ (W *)prepares, preparecnt); 2055 array_verify (EV_A_ (W *)prepares, preparecnt);
2056#endif
1896 2057
2058#if EV_CHECK_ENABLE
1897 assert (checkmax >= checkcnt); 2059 assert (checkmax >= checkcnt);
1898 array_verify (EV_A_ (W *)checks, checkcnt); 2060 array_verify (EV_A_ (W *)checks, checkcnt);
2061#endif
1899 2062
1900# if 0 2063# if 0
2064#if EV_CHILD_ENABLE
1901 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 2065 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) 2066 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
2067#endif
1903# endif 2068# endif
1904#endif 2069#endif
1905} 2070}
1906#endif 2071#endif
1907 2072
1908#if EV_MULTIPLICITY 2073#if EV_MULTIPLICITY
1909struct ev_loop * 2074struct ev_loop *
1910ev_default_loop_init (unsigned int flags)
1911#else 2075#else
1912int 2076int
2077#endif
1913ev_default_loop (unsigned int flags) 2078ev_default_loop (unsigned int flags)
1914#endif
1915{ 2079{
1916 if (!ev_default_loop_ptr) 2080 if (!ev_default_loop_ptr)
1917 { 2081 {
1918#if EV_MULTIPLICITY 2082#if EV_MULTIPLICITY
1919 EV_P = ev_default_loop_ptr = &default_loop_struct; 2083 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1923 2087
1924 loop_init (EV_A_ flags); 2088 loop_init (EV_A_ flags);
1925 2089
1926 if (ev_backend (EV_A)) 2090 if (ev_backend (EV_A))
1927 { 2091 {
1928#ifndef _WIN32 2092#if EV_CHILD_ENABLE
1929 ev_signal_init (&childev, childcb, SIGCHLD); 2093 ev_signal_init (&childev, childcb, SIGCHLD);
1930 ev_set_priority (&childev, EV_MAXPRI); 2094 ev_set_priority (&childev, EV_MAXPRI);
1931 ev_signal_start (EV_A_ &childev); 2095 ev_signal_start (EV_A_ &childev);
1932 ev_unref (EV_A); /* child watcher should not keep loop alive */ 2096 ev_unref (EV_A); /* child watcher should not keep loop alive */
1933#endif 2097#endif
… …
1938 2102
1939 return ev_default_loop_ptr; 2103 return ev_default_loop_ptr;
1940} 2104}
1941 2105
1942void 2106void
1943ev_default_destroy (void) 2107ev_loop_fork (EV_P)
1944{ 2108{
1945#if EV_MULTIPLICITY
1946 EV_P = ev_default_loop_ptr;
1947#endif
1948
1949 ev_default_loop_ptr = 0;
1950
1951#ifndef _WIN32
1952 ev_ref (EV_A); /* child watcher */
1953 ev_signal_stop (EV_A_ &childev);
1954#endif
1955
1956 loop_destroy (EV_A);
1957}
1958
1959void
1960ev_default_fork (void)
1961{
1962#if EV_MULTIPLICITY
1963 EV_P = ev_default_loop_ptr;
1964#endif
1965
1966 postfork = 1; /* must be in line with ev_loop_fork */ 2109 postfork = 1; /* must be in line with ev_default_fork */
1967} 2110}
1968 2111
1969/*****************************************************************************/ 2112/*****************************************************************************/
1970 2113
1971void 2114void
… …
1993 2136
1994 for (pri = NUMPRI; pri--; ) 2137 for (pri = NUMPRI; pri--; )
1995 while (pendingcnt [pri]) 2138 while (pendingcnt [pri])
1996 { 2139 {
1997 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2140 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1998
1999 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2000 /* ^ this is no longer true, as pending_w could be here */
2001 2141
2002 p->w->pending = 0; 2142 p->w->pending = 0;
2003 EV_CB_INVOKE (p->w, p->events); 2143 EV_CB_INVOKE (p->w, p->events);
2004 EV_FREQUENT_CHECK; 2144 EV_FREQUENT_CHECK;
2005 } 2145 }
… …
2062 EV_FREQUENT_CHECK; 2202 EV_FREQUENT_CHECK;
2063 feed_reverse (EV_A_ (W)w); 2203 feed_reverse (EV_A_ (W)w);
2064 } 2204 }
2065 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2205 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2066 2206
2067 feed_reverse_done (EV_A_ EV_TIMEOUT); 2207 feed_reverse_done (EV_A_ EV_TIMER);
2068 } 2208 }
2069} 2209}
2070 2210
2071#if EV_PERIODIC_ENABLE 2211#if EV_PERIODIC_ENABLE
2212
2213inline_speed void
2214periodic_recalc (EV_P_ ev_periodic *w)
2215{
2216 /* TODO: use slow but potentially more correct incremental algo, */
2217 /* also do not rely on ceil */
2218 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2219}
2220
2072/* make periodics pending */ 2221/* make periodics pending */
2073inline_size void 2222inline_size void
2074periodics_reify (EV_P) 2223periodics_reify (EV_P)
2075{ 2224{
2076 EV_FREQUENT_CHECK; 2225 EV_FREQUENT_CHECK;
… …
2095 ANHE_at_cache (periodics [HEAP0]); 2244 ANHE_at_cache (periodics [HEAP0]);
2096 downheap (periodics, periodiccnt, HEAP0); 2245 downheap (periodics, periodiccnt, HEAP0);
2097 } 2246 }
2098 else if (w->interval) 2247 else if (w->interval)
2099 { 2248 {
2100 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2249 periodic_recalc (EV_A_ w);
2250
2101 /* if next trigger time is not sufficiently in the future, put it there */ 2251 /* if next trigger time is not sufficiently in the future, put it there */
2102 /* this might happen because of floating point inexactness */ 2252 /* this might happen because of floating point inexactness */
2103 if (ev_at (w) - ev_rt_now < TIME_EPSILON) 2253 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2104 { 2254 {
2105 ev_at (w) += w->interval; 2255 ev_at (w) += w->interval;
… …
2125 feed_reverse_done (EV_A_ EV_PERIODIC); 2275 feed_reverse_done (EV_A_ EV_PERIODIC);
2126 } 2276 }
2127} 2277}
2128 2278
2129/* simply recalculate all periodics */ 2279/* simply recalculate all periodics */
2130/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2280/* TODO: maybe ensure that at least one event happens when jumping forward? */
2131static void noinline 2281static void noinline
2132periodics_reschedule (EV_P) 2282periodics_reschedule (EV_P)
2133{ 2283{
2134 int i; 2284 int i;
2135 2285
… …
2139 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); 2289 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
2140 2290
2141 if (w->reschedule_cb) 2291 if (w->reschedule_cb)
2142 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2292 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2143 else if (w->interval) 2293 else if (w->interval)
2144 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2294 periodic_recalc (EV_A_ w);
2145 2295
2146 ANHE_at_cache (periodics [i]); 2296 ANHE_at_cache (periodics [i]);
2147 } 2297 }
2148 2298
2149 reheap (periodics, periodiccnt); 2299 reheap (periodics, periodiccnt);
… …
2231 mn_now = ev_rt_now; 2381 mn_now = ev_rt_now;
2232 } 2382 }
2233} 2383}
2234 2384
2235void 2385void
2236ev_loop (EV_P_ int flags) 2386ev_run (EV_P_ int flags)
2237{ 2387{
2238#if EV_MINIMAL < 2 2388#if EV_FEATURE_API
2239 ++loop_depth; 2389 ++loop_depth;
2240#endif 2390#endif
2241 2391
2242 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2392 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2243 2393
2244 loop_done = EVUNLOOP_CANCEL; 2394 loop_done = EVBREAK_CANCEL;
2245 2395
2246 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2396 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2247 2397
2248 do 2398 do
2249 { 2399 {
2250#if EV_VERIFY >= 2 2400#if EV_VERIFY >= 2
2251 ev_loop_verify (EV_A); 2401 ev_verify (EV_A);
2252#endif 2402#endif
2253 2403
2254#ifndef _WIN32 2404#ifndef _WIN32
2255 if (expect_false (curpid)) /* penalise the forking check even more */ 2405 if (expect_false (curpid)) /* penalise the forking check even more */
2256 if (expect_false (getpid () != curpid)) 2406 if (expect_false (getpid () != curpid))
… …
2268 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2418 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2269 EV_INVOKE_PENDING; 2419 EV_INVOKE_PENDING;
2270 } 2420 }
2271#endif 2421#endif
2272 2422
2423#if EV_PREPARE_ENABLE
2273 /* queue prepare watchers (and execute them) */ 2424 /* queue prepare watchers (and execute them) */
2274 if (expect_false (preparecnt)) 2425 if (expect_false (preparecnt))
2275 { 2426 {
2276 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2427 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2277 EV_INVOKE_PENDING; 2428 EV_INVOKE_PENDING;
2278 } 2429 }
2430#endif
2279 2431
2280 if (expect_false (loop_done)) 2432 if (expect_false (loop_done))
2281 break; 2433 break;
2282 2434
2283 /* we might have forked, so reify kernel state if necessary */ 2435 /* we might have forked, so reify kernel state if necessary */
… …
2290 /* calculate blocking time */ 2442 /* calculate blocking time */
2291 { 2443 {
2292 ev_tstamp waittime = 0.; 2444 ev_tstamp waittime = 0.;
2293 ev_tstamp sleeptime = 0.; 2445 ev_tstamp sleeptime = 0.;
2294 2446
2447 /* remember old timestamp for io_blocktime calculation */
2448 ev_tstamp prev_mn_now = mn_now;
2449
2450 /* update time to cancel out callback processing overhead */
2451 time_update (EV_A_ 1e100);
2452
2295 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2453 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2296 { 2454 {
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; 2455 waittime = MAX_BLOCKTIME;
2304 2456
2305 if (timercnt) 2457 if (timercnt)
2306 { 2458 {
2307 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2459 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
… …
2334 waittime -= sleeptime; 2486 waittime -= sleeptime;
2335 } 2487 }
2336 } 2488 }
2337 } 2489 }
2338 2490
2339#if EV_MINIMAL < 2 2491#if EV_FEATURE_API
2340 ++loop_count; 2492 ++loop_count;
2341#endif 2493#endif
2342 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2494 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2343 backend_poll (EV_A_ waittime); 2495 backend_poll (EV_A_ waittime);
2344 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2496 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2345 2497
2346 /* update ev_rt_now, do magic */ 2498 /* update ev_rt_now, do magic */
2347 time_update (EV_A_ waittime + sleeptime); 2499 time_update (EV_A_ waittime + sleeptime);
2348 } 2500 }
2349 2501
… …
2356#if EV_IDLE_ENABLE 2508#if EV_IDLE_ENABLE
2357 /* queue idle watchers unless other events are pending */ 2509 /* queue idle watchers unless other events are pending */
2358 idle_reify (EV_A); 2510 idle_reify (EV_A);
2359#endif 2511#endif
2360 2512
2513#if EV_CHECK_ENABLE
2361 /* queue check watchers, to be executed first */ 2514 /* queue check watchers, to be executed first */
2362 if (expect_false (checkcnt)) 2515 if (expect_false (checkcnt))
2363 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2516 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2517#endif
2364 2518
2365 EV_INVOKE_PENDING; 2519 EV_INVOKE_PENDING;
2366 } 2520 }
2367 while (expect_true ( 2521 while (expect_true (
2368 activecnt 2522 activecnt
2369 && !loop_done 2523 && !loop_done
2370 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2524 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2371 )); 2525 ));
2372 2526
2373 if (loop_done == EVUNLOOP_ONE) 2527 if (loop_done == EVBREAK_ONE)
2374 loop_done = EVUNLOOP_CANCEL; 2528 loop_done = EVBREAK_CANCEL;
2375 2529
2376#if EV_MINIMAL < 2 2530#if EV_FEATURE_API
2377 --loop_depth; 2531 --loop_depth;
2378#endif 2532#endif
2379} 2533}
2380 2534
2381void 2535void
2382ev_unloop (EV_P_ int how) 2536ev_break (EV_P_ int how)
2383{ 2537{
2384 loop_done = how; 2538 loop_done = how;
2385} 2539}
2386 2540
2387void 2541void
… …
2507 2661
2508 if (expect_false (ev_is_active (w))) 2662 if (expect_false (ev_is_active (w)))
2509 return; 2663 return;
2510 2664
2511 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 2665 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)))); 2666 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2513 2667
2514 EV_FREQUENT_CHECK; 2668 EV_FREQUENT_CHECK;
2515 2669
2516 ev_start (EV_A_ (W)w, 1); 2670 ev_start (EV_A_ (W)w, 1);
2517 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 2671 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
… …
2535 EV_FREQUENT_CHECK; 2689 EV_FREQUENT_CHECK;
2536 2690
2537 wlist_del (&anfds[w->fd].head, (WL)w); 2691 wlist_del (&anfds[w->fd].head, (WL)w);
2538 ev_stop (EV_A_ (W)w); 2692 ev_stop (EV_A_ (W)w);
2539 2693
2540 fd_change (EV_A_ w->fd, 1); 2694 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2541 2695
2542 EV_FREQUENT_CHECK; 2696 EV_FREQUENT_CHECK;
2543} 2697}
2544 2698
2545void noinline 2699void noinline
… …
2587 timers [active] = timers [timercnt + HEAP0]; 2741 timers [active] = timers [timercnt + HEAP0];
2588 adjustheap (timers, timercnt, active); 2742 adjustheap (timers, timercnt, active);
2589 } 2743 }
2590 } 2744 }
2591 2745
2592 EV_FREQUENT_CHECK;
2593
2594 ev_at (w) -= mn_now; 2746 ev_at (w) -= mn_now;
2595 2747
2596 ev_stop (EV_A_ (W)w); 2748 ev_stop (EV_A_ (W)w);
2749
2750 EV_FREQUENT_CHECK;
2597} 2751}
2598 2752
2599void noinline 2753void noinline
2600ev_timer_again (EV_P_ ev_timer *w) 2754ev_timer_again (EV_P_ ev_timer *w)
2601{ 2755{
… …
2637 if (w->reschedule_cb) 2791 if (w->reschedule_cb)
2638 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2792 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2639 else if (w->interval) 2793 else if (w->interval)
2640 { 2794 {
2641 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); 2795 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2642 /* this formula differs from the one in periodic_reify because we do not always round up */ 2796 periodic_recalc (EV_A_ w);
2643 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2644 } 2797 }
2645 else 2798 else
2646 ev_at (w) = w->offset; 2799 ev_at (w) = w->offset;
2647 2800
2648 EV_FREQUENT_CHECK; 2801 EV_FREQUENT_CHECK;
… …
2680 periodics [active] = periodics [periodiccnt + HEAP0]; 2833 periodics [active] = periodics [periodiccnt + HEAP0];
2681 adjustheap (periodics, periodiccnt, active); 2834 adjustheap (periodics, periodiccnt, active);
2682 } 2835 }
2683 } 2836 }
2684 2837
2685 EV_FREQUENT_CHECK;
2686
2687 ev_stop (EV_A_ (W)w); 2838 ev_stop (EV_A_ (W)w);
2839
2840 EV_FREQUENT_CHECK;
2688} 2841}
2689 2842
2690void noinline 2843void noinline
2691ev_periodic_again (EV_P_ ev_periodic *w) 2844ev_periodic_again (EV_P_ ev_periodic *w)
2692{ 2845{
… …
2697#endif 2850#endif
2698 2851
2699#ifndef SA_RESTART 2852#ifndef SA_RESTART
2700# define SA_RESTART 0 2853# define SA_RESTART 0
2701#endif 2854#endif
2855
2856#if EV_SIGNAL_ENABLE
2702 2857
2703void noinline 2858void noinline
2704ev_signal_start (EV_P_ ev_signal *w) 2859ev_signal_start (EV_P_ ev_signal *w)
2705{ 2860{
2706 if (expect_false (ev_is_active (w))) 2861 if (expect_false (ev_is_active (w)))
… …
2767 sa.sa_handler = ev_sighandler; 2922 sa.sa_handler = ev_sighandler;
2768 sigfillset (&sa.sa_mask); 2923 sigfillset (&sa.sa_mask);
2769 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2924 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2770 sigaction (w->signum, &sa, 0); 2925 sigaction (w->signum, &sa, 0);
2771 2926
2927 if (origflags & EVFLAG_NOSIGMASK)
2928 {
2772 sigemptyset (&sa.sa_mask); 2929 sigemptyset (&sa.sa_mask);
2773 sigaddset (&sa.sa_mask, w->signum); 2930 sigaddset (&sa.sa_mask, w->signum);
2774 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 2931 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2932 }
2775#endif 2933#endif
2776 } 2934 }
2777 2935
2778 EV_FREQUENT_CHECK; 2936 EV_FREQUENT_CHECK;
2779} 2937}
… …
2813 } 2971 }
2814 2972
2815 EV_FREQUENT_CHECK; 2973 EV_FREQUENT_CHECK;
2816} 2974}
2817 2975
2976#endif
2977
2978#if EV_CHILD_ENABLE
2979
2818void 2980void
2819ev_child_start (EV_P_ ev_child *w) 2981ev_child_start (EV_P_ ev_child *w)
2820{ 2982{
2821#if EV_MULTIPLICITY 2983#if EV_MULTIPLICITY
2822 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2984 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
… …
2825 return; 2987 return;
2826 2988
2827 EV_FREQUENT_CHECK; 2989 EV_FREQUENT_CHECK;
2828 2990
2829 ev_start (EV_A_ (W)w, 1); 2991 ev_start (EV_A_ (W)w, 1);
2830 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2992 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2831 2993
2832 EV_FREQUENT_CHECK; 2994 EV_FREQUENT_CHECK;
2833} 2995}
2834 2996
2835void 2997void
… …
2839 if (expect_false (!ev_is_active (w))) 3001 if (expect_false (!ev_is_active (w)))
2840 return; 3002 return;
2841 3003
2842 EV_FREQUENT_CHECK; 3004 EV_FREQUENT_CHECK;
2843 3005
2844 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 3006 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2845 ev_stop (EV_A_ (W)w); 3007 ev_stop (EV_A_ (W)w);
2846 3008
2847 EV_FREQUENT_CHECK; 3009 EV_FREQUENT_CHECK;
2848} 3010}
3011
3012#endif
2849 3013
2850#if EV_STAT_ENABLE 3014#if EV_STAT_ENABLE
2851 3015
2852# ifdef _WIN32 3016# ifdef _WIN32
2853# undef lstat 3017# undef lstat
… …
2859#define MIN_STAT_INTERVAL 0.1074891 3023#define MIN_STAT_INTERVAL 0.1074891
2860 3024
2861static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 3025static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2862 3026
2863#if EV_USE_INOTIFY 3027#if EV_USE_INOTIFY
2864# define EV_INOTIFY_BUFSIZE 8192 3028
3029/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3030# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2865 3031
2866static void noinline 3032static void noinline
2867infy_add (EV_P_ ev_stat *w) 3033infy_add (EV_P_ ev_stat *w)
2868{ 3034{
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); 3035 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);
… …
2912 if (!pend || pend == path) 3078 if (!pend || pend == path)
2913 break; 3079 break;
2914 3080
2915 *pend = 0; 3081 *pend = 0;
2916 w->wd = inotify_add_watch (fs_fd, path, mask); 3082 w->wd = inotify_add_watch (fs_fd, path, mask);
2917 } 3083 }
2918 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3084 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2919 } 3085 }
2920 } 3086 }
2921 3087
2922 if (w->wd >= 0) 3088 if (w->wd >= 0)
2923 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3089 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2924 3090
2925 /* now re-arm timer, if required */ 3091 /* now re-arm timer, if required */
2926 if (ev_is_active (&w->timer)) ev_ref (EV_A); 3092 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2927 ev_timer_again (EV_A_ &w->timer); 3093 ev_timer_again (EV_A_ &w->timer);
2928 if (ev_is_active (&w->timer)) ev_unref (EV_A); 3094 if (ev_is_active (&w->timer)) ev_unref (EV_A);
… …
2936 3102
2937 if (wd < 0) 3103 if (wd < 0)
2938 return; 3104 return;
2939 3105
2940 w->wd = -2; 3106 w->wd = -2;
2941 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3107 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2942 wlist_del (&fs_hash [slot].head, (WL)w); 3108 wlist_del (&fs_hash [slot].head, (WL)w);
2943 3109
2944 /* remove this watcher, if others are watching it, they will rearm */ 3110 /* remove this watcher, if others are watching it, they will rearm */
2945 inotify_rm_watch (fs_fd, wd); 3111 inotify_rm_watch (fs_fd, wd);
2946} 3112}
… …
2948static void noinline 3114static void noinline
2949infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3115infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2950{ 3116{
2951 if (slot < 0) 3117 if (slot < 0)
2952 /* overflow, need to check for all hash slots */ 3118 /* overflow, need to check for all hash slots */
2953 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3119 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2954 infy_wd (EV_A_ slot, wd, ev); 3120 infy_wd (EV_A_ slot, wd, ev);
2955 else 3121 else
2956 { 3122 {
2957 WL w_; 3123 WL w_;
2958 3124
2959 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3125 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2960 { 3126 {
2961 ev_stat *w = (ev_stat *)w_; 3127 ev_stat *w = (ev_stat *)w_;
2962 w_ = w_->next; /* lets us remove this watcher and all before it */ 3128 w_ = w_->next; /* lets us remove this watcher and all before it */
2963 3129
2964 if (w->wd == wd || wd == -1) 3130 if (w->wd == wd || wd == -1)
2965 { 3131 {
2966 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3132 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2967 { 3133 {
2968 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3134 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2969 w->wd = -1; 3135 w->wd = -1;
2970 infy_add (EV_A_ w); /* re-add, no matter what */ 3136 infy_add (EV_A_ w); /* re-add, no matter what */
2971 } 3137 }
2972 3138
2973 stat_timer_cb (EV_A_ &w->timer, 0); 3139 stat_timer_cb (EV_A_ &w->timer, 0);
… …
2978 3144
2979static void 3145static void
2980infy_cb (EV_P_ ev_io *w, int revents) 3146infy_cb (EV_P_ ev_io *w, int revents)
2981{ 3147{
2982 char buf [EV_INOTIFY_BUFSIZE]; 3148 char buf [EV_INOTIFY_BUFSIZE];
2983 struct inotify_event *ev = (struct inotify_event *)buf;
2984 int ofs; 3149 int ofs;
2985 int len = read (fs_fd, buf, sizeof (buf)); 3150 int len = read (fs_fd, buf, sizeof (buf));
2986 3151
2987 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 3152 for (ofs = 0; ofs < len; )
3153 {
3154 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2988 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3155 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3156 ofs += sizeof (struct inotify_event) + ev->len;
3157 }
2989} 3158}
2990 3159
2991inline_size void 3160inline_size void
2992check_2625 (EV_P) 3161ev_check_2625 (EV_P)
2993{ 3162{
2994 /* kernels < 2.6.25 are borked 3163 /* kernels < 2.6.25 are borked
2995 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3164 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2996 */ 3165 */
2997 struct utsname buf; 3166 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; 3167 return;
3010 3168
3011 fs_2625 = 1; 3169 fs_2625 = 1;
3012} 3170}
3013 3171
… …
3028 if (fs_fd != -2) 3186 if (fs_fd != -2)
3029 return; 3187 return;
3030 3188
3031 fs_fd = -1; 3189 fs_fd = -1;
3032 3190
3033 check_2625 (EV_A); 3191 ev_check_2625 (EV_A);
3034 3192
3035 fs_fd = infy_newfd (); 3193 fs_fd = infy_newfd ();
3036 3194
3037 if (fs_fd >= 0) 3195 if (fs_fd >= 0)
3038 { 3196 {
… …
3063 ev_io_set (&fs_w, fs_fd, EV_READ); 3221 ev_io_set (&fs_w, fs_fd, EV_READ);
3064 ev_io_start (EV_A_ &fs_w); 3222 ev_io_start (EV_A_ &fs_w);
3065 ev_unref (EV_A); 3223 ev_unref (EV_A);
3066 } 3224 }
3067 3225
3068 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3226 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3069 { 3227 {
3070 WL w_ = fs_hash [slot].head; 3228 WL w_ = fs_hash [slot].head;
3071 fs_hash [slot].head = 0; 3229 fs_hash [slot].head = 0;
3072 3230
3073 while (w_) 3231 while (w_)
… …
3248 3406
3249 EV_FREQUENT_CHECK; 3407 EV_FREQUENT_CHECK;
3250} 3408}
3251#endif 3409#endif
3252 3410
3411#if EV_PREPARE_ENABLE
3253void 3412void
3254ev_prepare_start (EV_P_ ev_prepare *w) 3413ev_prepare_start (EV_P_ ev_prepare *w)
3255{ 3414{
3256 if (expect_false (ev_is_active (w))) 3415 if (expect_false (ev_is_active (w)))
3257 return; 3416 return;
… …
3283 3442
3284 ev_stop (EV_A_ (W)w); 3443 ev_stop (EV_A_ (W)w);
3285 3444
3286 EV_FREQUENT_CHECK; 3445 EV_FREQUENT_CHECK;
3287} 3446}
3447#endif
3288 3448
3449#if EV_CHECK_ENABLE
3289void 3450void
3290ev_check_start (EV_P_ ev_check *w) 3451ev_check_start (EV_P_ ev_check *w)
3291{ 3452{
3292 if (expect_false (ev_is_active (w))) 3453 if (expect_false (ev_is_active (w)))
3293 return; 3454 return;
… …
3319 3480
3320 ev_stop (EV_A_ (W)w); 3481 ev_stop (EV_A_ (W)w);
3321 3482
3322 EV_FREQUENT_CHECK; 3483 EV_FREQUENT_CHECK;
3323} 3484}
3485#endif
3324 3486
3325#if EV_EMBED_ENABLE 3487#if EV_EMBED_ENABLE
3326void noinline 3488void noinline
3327ev_embed_sweep (EV_P_ ev_embed *w) 3489ev_embed_sweep (EV_P_ ev_embed *w)
3328{ 3490{
3329 ev_loop (w->other, EVLOOP_NONBLOCK); 3491 ev_run (w->other, EVRUN_NOWAIT);
3330} 3492}
3331 3493
3332static void 3494static void
3333embed_io_cb (EV_P_ ev_io *io, int revents) 3495embed_io_cb (EV_P_ ev_io *io, int revents)
3334{ 3496{
3335 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3497 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3336 3498
3337 if (ev_cb (w)) 3499 if (ev_cb (w))
3338 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3500 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3339 else 3501 else
3340 ev_loop (w->other, EVLOOP_NONBLOCK); 3502 ev_run (w->other, EVRUN_NOWAIT);
3341} 3503}
3342 3504
3343static void 3505static void
3344embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3506embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3345{ 3507{
… …
3349 EV_P = w->other; 3511 EV_P = w->other;
3350 3512
3351 while (fdchangecnt) 3513 while (fdchangecnt)
3352 { 3514 {
3353 fd_reify (EV_A); 3515 fd_reify (EV_A);
3354 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3516 ev_run (EV_A_ EVRUN_NOWAIT);
3355 } 3517 }
3356 } 3518 }
3357} 3519}
3358 3520
3359static void 3521static void
… …
3365 3527
3366 { 3528 {
3367 EV_P = w->other; 3529 EV_P = w->other;
3368 3530
3369 ev_loop_fork (EV_A); 3531 ev_loop_fork (EV_A);
3370 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3532 ev_run (EV_A_ EVRUN_NOWAIT);
3371 } 3533 }
3372 3534
3373 ev_embed_start (EV_A_ w); 3535 ev_embed_start (EV_A_ w);
3374} 3536}
3375 3537
… …
3423 3585
3424 ev_io_stop (EV_A_ &w->io); 3586 ev_io_stop (EV_A_ &w->io);
3425 ev_prepare_stop (EV_A_ &w->prepare); 3587 ev_prepare_stop (EV_A_ &w->prepare);
3426 ev_fork_stop (EV_A_ &w->fork); 3588 ev_fork_stop (EV_A_ &w->fork);
3427 3589
3590 ev_stop (EV_A_ (W)w);
3591
3428 EV_FREQUENT_CHECK; 3592 EV_FREQUENT_CHECK;
3429} 3593}
3430#endif 3594#endif
3431 3595
3432#if EV_FORK_ENABLE 3596#if EV_FORK_ENABLE
… …
3465 3629
3466 EV_FREQUENT_CHECK; 3630 EV_FREQUENT_CHECK;
3467} 3631}
3468#endif 3632#endif
3469 3633
3470#if EV_ASYNC_ENABLE 3634#if EV_CLEANUP_ENABLE
3471void 3635void
3472ev_async_start (EV_P_ ev_async *w) 3636ev_cleanup_start (EV_P_ ev_cleanup *w)
3473{ 3637{
3474 if (expect_false (ev_is_active (w))) 3638 if (expect_false (ev_is_active (w)))
3475 return; 3639 return;
3640
3641 EV_FREQUENT_CHECK;
3642
3643 ev_start (EV_A_ (W)w, ++cleanupcnt);
3644 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3645 cleanups [cleanupcnt - 1] = w;
3646
3647 /* cleanup watchers should never keep a refcount on the loop */
3648 ev_unref (EV_A);
3649 EV_FREQUENT_CHECK;
3650}
3651
3652void
3653ev_cleanup_stop (EV_P_ ev_cleanup *w)
3654{
3655 clear_pending (EV_A_ (W)w);
3656 if (expect_false (!ev_is_active (w)))
3657 return;
3658
3659 EV_FREQUENT_CHECK;
3660 ev_ref (EV_A);
3661
3662 {
3663 int active = ev_active (w);
3664
3665 cleanups [active - 1] = cleanups [--cleanupcnt];
3666 ev_active (cleanups [active - 1]) = active;
3667 }
3668
3669 ev_stop (EV_A_ (W)w);
3670
3671 EV_FREQUENT_CHECK;
3672}
3673#endif
3674
3675#if EV_ASYNC_ENABLE
3676void
3677ev_async_start (EV_P_ ev_async *w)
3678{
3679 if (expect_false (ev_is_active (w)))
3680 return;
3681
3682 w->sent = 0;
3476 3683
3477 evpipe_init (EV_A); 3684 evpipe_init (EV_A);
3478 3685
3479 EV_FREQUENT_CHECK; 3686 EV_FREQUENT_CHECK;
3480 3687
… …
3558{ 3765{
3559 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3766 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3560 3767
3561 if (expect_false (!once)) 3768 if (expect_false (!once))
3562 { 3769 {
3563 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3770 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3564 return; 3771 return;
3565 } 3772 }
3566 3773
3567 once->cb = cb; 3774 once->cb = cb;
3568 once->arg = arg; 3775 once->arg = arg;
… …
3655 if (types & EV_ASYNC) 3862 if (types & EV_ASYNC)
3656 for (i = asynccnt; i--; ) 3863 for (i = asynccnt; i--; )
3657 cb (EV_A_ EV_ASYNC, asyncs [i]); 3864 cb (EV_A_ EV_ASYNC, asyncs [i]);
3658#endif 3865#endif
3659 3866
3867#if EV_PREPARE_ENABLE
3660 if (types & EV_PREPARE) 3868 if (types & EV_PREPARE)
3661 for (i = preparecnt; i--; ) 3869 for (i = preparecnt; i--; )
3662#if EV_EMBED_ENABLE 3870# if EV_EMBED_ENABLE
3663 if (ev_cb (prepares [i]) != embed_prepare_cb) 3871 if (ev_cb (prepares [i]) != embed_prepare_cb)
3664#endif 3872# endif
3665 cb (EV_A_ EV_PREPARE, prepares [i]); 3873 cb (EV_A_ EV_PREPARE, prepares [i]);
3874#endif
3666 3875
3876#if EV_CHECK_ENABLE
3667 if (types & EV_CHECK) 3877 if (types & EV_CHECK)
3668 for (i = checkcnt; i--; ) 3878 for (i = checkcnt; i--; )
3669 cb (EV_A_ EV_CHECK, checks [i]); 3879 cb (EV_A_ EV_CHECK, checks [i]);
3880#endif
3670 3881
3882#if EV_SIGNAL_ENABLE
3671 if (types & EV_SIGNAL) 3883 if (types & EV_SIGNAL)
3672 for (i = 0; i < EV_NSIG - 1; ++i) 3884 for (i = 0; i < EV_NSIG - 1; ++i)
3673 for (wl = signals [i].head; wl; ) 3885 for (wl = signals [i].head; wl; )
3674 { 3886 {
3675 wn = wl->next; 3887 wn = wl->next;
3676 cb (EV_A_ EV_SIGNAL, wl); 3888 cb (EV_A_ EV_SIGNAL, wl);
3677 wl = wn; 3889 wl = wn;
3678 } 3890 }
3891#endif
3679 3892
3893#if EV_CHILD_ENABLE
3680 if (types & EV_CHILD) 3894 if (types & EV_CHILD)
3681 for (i = EV_PID_HASHSIZE; i--; ) 3895 for (i = (EV_PID_HASHSIZE); i--; )
3682 for (wl = childs [i]; wl; ) 3896 for (wl = childs [i]; wl; )
3683 { 3897 {
3684 wn = wl->next; 3898 wn = wl->next;
3685 cb (EV_A_ EV_CHILD, wl); 3899 cb (EV_A_ EV_CHILD, wl);
3686 wl = wn; 3900 wl = wn;
3687 } 3901 }
3902#endif
3688/* EV_STAT 0x00001000 /* stat data changed */ 3903/* EV_STAT 0x00001000 /* stat data changed */
3689/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 3904/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3690} 3905}
3691#endif 3906#endif
3692 3907
3693#if EV_MULTIPLICITY 3908#if EV_MULTIPLICITY
3694 #include "ev_wrap.h" 3909 #include "ev_wrap.h"
3695#endif 3910#endif
3696 3911
3697#ifdef __cplusplus 3912EV_CPP(})
3698}
3699#endif
3700 3913

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