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

Comparing libev/ev.c (file contents):
Revision 1.306 by root, Sun Jul 19 06:35:25 2009 UTC vs.
Revision 1.371 by root, Mon Feb 7 21:45:32 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 *
… …
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# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
114# ifndef EV_USE_KQUEUE 115# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H 116# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
116# define EV_USE_KQUEUE 1
117# else
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>
157#include <stdlib.h> 162#include <stdlib.h>
163#include <string.h>
158#include <fcntl.h> 164#include <fcntl.h>
159#include <stddef.h> 165#include <stddef.h>
160 166
161#include <stdio.h> 167#include <stdio.h>
162 168
163#include <assert.h> 169#include <assert.h>
164#include <errno.h> 170#include <errno.h>
165#include <sys/types.h> 171#include <sys/types.h>
166#include <time.h> 172#include <time.h>
173#include <limits.h>
167 174
168#include <signal.h> 175#include <signal.h>
169 176
170#ifdef EV_H 177#ifdef EV_H
171# include EV_H 178# include EV_H
172#else 179#else
173# include "ev.h" 180# include "ev.h"
174#endif 181#endif
182
183EV_CPP(extern "C" {)
175 184
176#ifndef _WIN32 185#ifndef _WIN32
177# include <sys/time.h> 186# include <sys/time.h>
178# include <sys/wait.h> 187# include <sys/wait.h>
179# include <unistd.h> 188# include <unistd.h>
… …
182# define WIN32_LEAN_AND_MEAN 191# define WIN32_LEAN_AND_MEAN
183# include <windows.h> 192# include <windows.h>
184# ifndef EV_SELECT_IS_WINSOCKET 193# ifndef EV_SELECT_IS_WINSOCKET
185# define EV_SELECT_IS_WINSOCKET 1 194# define EV_SELECT_IS_WINSOCKET 1
186# endif 195# endif
196# undef EV_AVOID_STDIO
187#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
188 206
189/* 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 */
190 208
191/* try to deduce the maximum number of signals on this platform */ 209/* try to deduce the maximum number of signals on this platform */
192/* one some platforms, NSIG is one too large. we do not bother */
193#if defined (EV_NSIG) 210#if defined (EV_NSIG)
194/* use what's provided */ 211/* use what's provided */
195#elif defined (NSIG) 212#elif defined (NSIG)
196# define EV_NSIG (NSIG) 213# define EV_NSIG (NSIG)
197#elif defined(_NSIG) 214#elif defined(_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__ >= 9)) 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
… …
344# endif 354# endif
345#endif 355#endif
346 356
347/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 357/* this block fixes any misconfiguration where we know we run into trouble otherwise */
348 358
359#ifdef _AIX
360/* AIX has a completely broken poll.h header */
361# undef EV_USE_POLL
362# define EV_USE_POLL 0
363#endif
364
349#ifndef CLOCK_MONOTONIC 365#ifndef CLOCK_MONOTONIC
350# undef EV_USE_MONOTONIC 366# undef EV_USE_MONOTONIC
351# define EV_USE_MONOTONIC 0 367# define EV_USE_MONOTONIC 0
352#endif 368#endif
353 369
… …
360# undef EV_USE_INOTIFY 376# undef EV_USE_INOTIFY
361# define EV_USE_INOTIFY 0 377# define EV_USE_INOTIFY 0
362#endif 378#endif
363 379
364#if !EV_USE_NANOSLEEP 380#if !EV_USE_NANOSLEEP
365# ifndef _WIN32 381/* hp-ux has it in sys/time.h, which we unconditionally include above */
382# if !defined(_WIN32) && !defined(__hpux)
366# include <sys/select.h> 383# include <sys/select.h>
367# endif 384# endif
368#endif 385#endif
369 386
370#if EV_USE_INOTIFY 387#if EV_USE_INOTIFY
371# include <sys/utsname.h>
372# include <sys/statfs.h> 388# include <sys/statfs.h>
373# include <sys/inotify.h> 389# include <sys/inotify.h>
374/* 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 */
375# ifndef IN_DONT_FOLLOW 391# ifndef IN_DONT_FOLLOW
376# undef EV_USE_INOTIFY 392# undef EV_USE_INOTIFY
… …
387# include <stdint.h> 403# include <stdint.h>
388# ifndef EFD_NONBLOCK 404# ifndef EFD_NONBLOCK
389# define EFD_NONBLOCK O_NONBLOCK 405# define EFD_NONBLOCK O_NONBLOCK
390# endif 406# endif
391# ifndef EFD_CLOEXEC 407# ifndef EFD_CLOEXEC
408# ifdef O_CLOEXEC
392# define EFD_CLOEXEC O_CLOEXEC 409# define EFD_CLOEXEC O_CLOEXEC
410# else
411# define EFD_CLOEXEC 02000000
412# endif
393# endif 413# endif
394# ifdef __cplusplus 414EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
395extern "C" { 415#endif
416
417#if EV_USE_SIGNALFD
418/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
419# include <stdint.h>
420# ifndef SFD_NONBLOCK
421# define SFD_NONBLOCK O_NONBLOCK
396# endif 422# endif
397int eventfd (unsigned int initval, int flags); 423# ifndef SFD_CLOEXEC
398# ifdef __cplusplus 424# ifdef O_CLOEXEC
399} 425# define SFD_CLOEXEC O_CLOEXEC
426# else
427# define SFD_CLOEXEC 02000000
428# endif
400# endif 429# endif
401#endif 430EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
402 431
403#if EV_USE_SIGNALFD 432struct signalfd_siginfo
404# include <sys/signalfd.h> 433{
434 uint32_t ssi_signo;
435 char pad[128 - sizeof (uint32_t)];
436};
405#endif 437#endif
406 438
407/**/ 439/**/
408 440
409#if EV_VERIFY >= 3 441#if EV_VERIFY >= 3
410# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 442# define EV_FREQUENT_CHECK ev_verify (EV_A)
411#else 443#else
412# define EV_FREQUENT_CHECK do { } while (0) 444# define EV_FREQUENT_CHECK do { } while (0)
413#endif 445#endif
414 446
415/* 447/*
… …
422 */ 454 */
423#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 455#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
424 456
425#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) */
426#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) */
427/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ 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)
428 462
429#if __GNUC__ >= 4 463#if __GNUC__ >= 4
430# define expect(expr,value) __builtin_expect ((expr),(value)) 464# define expect(expr,value) __builtin_expect ((expr),(value))
431# define noinline __attribute__ ((noinline)) 465# define noinline __attribute__ ((noinline))
432#else 466#else
… …
439 473
440#define expect_false(expr) expect ((expr) != 0, 0) 474#define expect_false(expr) expect ((expr) != 0, 0)
441#define expect_true(expr) expect ((expr) != 0, 1) 475#define expect_true(expr) expect ((expr) != 0, 1)
442#define inline_size static inline 476#define inline_size static inline
443 477
444#if EV_MINIMAL 478#if EV_FEATURE_CODE
479# define inline_speed static inline
480#else
445# define inline_speed static noinline 481# define inline_speed static noinline
446#else
447# define inline_speed static inline
448#endif 482#endif
449 483
450#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 484#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
451 485
452#if EV_MINPRI == EV_MAXPRI 486#if EV_MINPRI == EV_MAXPRI
… …
465#define ev_active(w) ((W)(w))->active 499#define ev_active(w) ((W)(w))->active
466#define ev_at(w) ((WT)(w))->at 500#define ev_at(w) ((WT)(w))->at
467 501
468#if EV_USE_REALTIME 502#if EV_USE_REALTIME
469/* 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 */
470/* giving it a reasonably high chance of working on typical architetcures */ 504/* giving it a reasonably high chance of working on typical architectures */
471static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 505static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
472#endif 506#endif
473 507
474#if EV_USE_MONOTONIC 508#if EV_USE_MONOTONIC
475static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 509static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
476#endif 510#endif
477 511
512#ifndef EV_FD_TO_WIN32_HANDLE
513# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
514#endif
515#ifndef EV_WIN32_HANDLE_TO_FD
516# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
517#endif
518#ifndef EV_WIN32_CLOSE_FD
519# define EV_WIN32_CLOSE_FD(fd) close (fd)
520#endif
521
478#ifdef _WIN32 522#ifdef _WIN32
479# include "ev_win32.c" 523# include "ev_win32.c"
480#endif 524#endif
481 525
482/*****************************************************************************/ 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
483 577
484static void (*syserr_cb)(const char *msg); 578static void (*syserr_cb)(const char *msg);
485 579
486void 580void
487ev_set_syserr_cb (void (*cb)(const char *msg)) 581ev_set_syserr_cb (void (*cb)(const char *msg))
… …
497 591
498 if (syserr_cb) 592 if (syserr_cb)
499 syserr_cb (msg); 593 syserr_cb (msg);
500 else 594 else
501 { 595 {
596#if EV_AVOID_STDIO
597 ev_printerr (msg);
598 ev_printerr (": ");
599 ev_printerr (strerror (errno));
600 ev_printerr ("\n");
601#else
502 perror (msg); 602 perror (msg);
603#endif
503 abort (); 604 abort ();
504 } 605 }
505} 606}
506 607
507static void * 608static void *
508ev_realloc_emul (void *ptr, long size) 609ev_realloc_emul (void *ptr, long size)
509{ 610{
611#if __GLIBC__
612 return realloc (ptr, size);
613#else
510 /* some systems, notably openbsd and darwin, fail to properly 614 /* some systems, notably openbsd and darwin, fail to properly
511 * 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
512 * the single unix specification, so work around them here. 616 * the single unix specification, so work around them here.
513 */ 617 */
514 618
515 if (size) 619 if (size)
516 return realloc (ptr, size); 620 return realloc (ptr, size);
517 621
518 free (ptr); 622 free (ptr);
519 return 0; 623 return 0;
624#endif
520} 625}
521 626
522static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 627static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
523 628
524void 629void
… …
532{ 637{
533 ptr = alloc (ptr, size); 638 ptr = alloc (ptr, size);
534 639
535 if (!ptr && size) 640 if (!ptr && size)
536 { 641 {
642#if EV_AVOID_STDIO
643 ev_printerr ("(libev) memory allocation failed, aborting.\n");
644#else
537 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 645 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
646#endif
538 abort (); 647 abort ();
539 } 648 }
540 649
541 return ptr; 650 return ptr;
542} 651}
… …
558 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 */
559 unsigned char unused; 668 unsigned char unused;
560#if EV_USE_EPOLL 669#if EV_USE_EPOLL
561 unsigned int egen; /* generation counter to counter epoll bugs */ 670 unsigned int egen; /* generation counter to counter epoll bugs */
562#endif 671#endif
563#if EV_SELECT_IS_WINSOCKET 672#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
564 SOCKET handle; 673 SOCKET handle;
674#endif
675#if EV_USE_IOCP
676 OVERLAPPED or, ow;
565#endif 677#endif
566} ANFD; 678} ANFD;
567 679
568/* stores the pending event set for a given watcher */ 680/* stores the pending event set for a given watcher */
569typedef struct 681typedef struct
… …
624 736
625 static int ev_default_loop_ptr; 737 static int ev_default_loop_ptr;
626 738
627#endif 739#endif
628 740
629#if EV_MINIMAL < 2 741#if EV_FEATURE_API
630# 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)
631# 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)
632# define EV_INVOKE_PENDING invoke_cb (EV_A) 744# define EV_INVOKE_PENDING invoke_cb (EV_A)
633#else 745#else
634# define EV_RELEASE_CB (void)0 746# define EV_RELEASE_CB (void)0
635# define EV_ACQUIRE_CB (void)0 747# define EV_ACQUIRE_CB (void)0
636# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 748# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
637#endif 749#endif
638 750
639#define EVUNLOOP_RECURSE 0x80 751#define EVBREAK_RECURSE 0x80
640 752
641/*****************************************************************************/ 753/*****************************************************************************/
642 754
643#ifndef EV_HAVE_EV_TIME 755#ifndef EV_HAVE_EV_TIME
644ev_tstamp 756ev_tstamp
… …
688 if (delay > 0.) 800 if (delay > 0.)
689 { 801 {
690#if EV_USE_NANOSLEEP 802#if EV_USE_NANOSLEEP
691 struct timespec ts; 803 struct timespec ts;
692 804
693 ts.tv_sec = (time_t)delay; 805 EV_TS_SET (ts, delay);
694 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
695
696 nanosleep (&ts, 0); 806 nanosleep (&ts, 0);
697#elif defined(_WIN32) 807#elif defined(_WIN32)
698 Sleep ((unsigned long)(delay * 1e3)); 808 Sleep ((unsigned long)(delay * 1e3));
699#else 809#else
700 struct timeval tv; 810 struct timeval tv;
701 811
702 tv.tv_sec = (time_t)delay;
703 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
704
705 /* 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 */
706 /* something not guaranteed by newer posix versions, but guaranteed */ 813 /* something not guaranteed by newer posix versions, but guaranteed */
707 /* by older ones */ 814 /* by older ones */
815 EV_TV_SET (tv, delay);
708 select (0, 0, 0, 0, &tv); 816 select (0, 0, 0, 0, &tv);
709#endif 817#endif
710 } 818 }
711} 819}
712 820
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
713/*****************************************************************************/ 829/*****************************************************************************/
714 830
715#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 */
716 832
717/* find a suitable new size for the given array, */ 833/* find a suitable new size for the given array, */
718/* hopefully by rounding to a ncie-to-malloc size */ 834/* hopefully by rounding to a nice-to-malloc size */
719inline_size int 835inline_size int
720array_nextsize (int elem, int cur, int cnt) 836array_nextsize (int elem, int cur, int cnt)
721{ 837{
722 int ncur = cur + 1; 838 int ncur = cur + 1;
723 839
… …
819} 935}
820 936
821/*****************************************************************************/ 937/*****************************************************************************/
822 938
823inline_speed void 939inline_speed void
824fd_event_nc (EV_P_ int fd, int revents) 940fd_event_nocheck (EV_P_ int fd, int revents)
825{ 941{
826 ANFD *anfd = anfds + fd; 942 ANFD *anfd = anfds + fd;
827 ev_io *w; 943 ev_io *w;
828 944
829 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)
… …
841fd_event (EV_P_ int fd, int revents) 957fd_event (EV_P_ int fd, int revents)
842{ 958{
843 ANFD *anfd = anfds + fd; 959 ANFD *anfd = anfds + fd;
844 960
845 if (expect_true (!anfd->reify)) 961 if (expect_true (!anfd->reify))
846 fd_event_nc (EV_A_ fd, revents); 962 fd_event_nocheck (EV_A_ fd, revents);
847} 963}
848 964
849void 965void
850ev_feed_fd_event (EV_P_ int fd, int revents) 966ev_feed_fd_event (EV_P_ int fd, int revents)
851{ 967{
852 if (fd >= 0 && fd < anfdmax) 968 if (fd >= 0 && fd < anfdmax)
853 fd_event_nc (EV_A_ fd, revents); 969 fd_event_nocheck (EV_A_ fd, revents);
854} 970}
855 971
856/* make sure the external fd watch events are in-sync */ 972/* make sure the external fd watch events are in-sync */
857/* with the kernel/libev internal state */ 973/* with the kernel/libev internal state */
858inline_size void 974inline_size void
859fd_reify (EV_P) 975fd_reify (EV_P)
860{ 976{
861 int i; 977 int i;
862 978
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
863 for (i = 0; i < fdchangecnt; ++i) 1004 for (i = 0; i < fdchangecnt; ++i)
864 { 1005 {
865 int fd = fdchanges [i]; 1006 int fd = fdchanges [i];
866 ANFD *anfd = anfds + fd; 1007 ANFD *anfd = anfds + fd;
867 ev_io *w; 1008 ev_io *w;
868 1009
869 unsigned char events = 0; 1010 unsigned char o_events = anfd->events;
1011 unsigned char o_reify = anfd->reify;
870 1012
871 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1013 anfd->reify = 0;
872 events |= (unsigned char)w->events;
873 1014
874#if EV_SELECT_IS_WINSOCKET 1015 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
875 if (events)
876 { 1016 {
877 unsigned long arg; 1017 anfd->events = 0;
878 #ifdef EV_FD_TO_WIN32_HANDLE 1018
879 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 1019 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
880 #else 1020 anfd->events |= (unsigned char)w->events;
881 anfd->handle = _get_osfhandle (fd); 1021
882 #endif 1022 if (o_events != anfd->events)
883 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 1023 o_reify = EV__IOFDSET; /* actually |= */
884 } 1024 }
885#endif
886 1025
887 { 1026 if (o_reify & EV__IOFDSET)
888 unsigned char o_events = anfd->events;
889 unsigned char o_reify = anfd->reify;
890
891 anfd->reify = 0;
892 anfd->events = events;
893
894 if (o_events != events || o_reify & EV__IOFDSET)
895 backend_modify (EV_A_ fd, o_events, events); 1027 backend_modify (EV_A_ fd, o_events, anfd->events);
896 }
897 } 1028 }
898 1029
899 fdchangecnt = 0; 1030 fdchangecnt = 0;
900} 1031}
901 1032
… …
925 ev_io_stop (EV_A_ w); 1056 ev_io_stop (EV_A_ w);
926 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);
927 } 1058 }
928} 1059}
929 1060
930/* check whether the given fd is atcually valid, for error recovery */ 1061/* check whether the given fd is actually valid, for error recovery */
931inline_size int 1062inline_size int
932fd_valid (int fd) 1063fd_valid (int fd)
933{ 1064{
934#ifdef _WIN32 1065#ifdef _WIN32
935 return _get_osfhandle (fd) != -1; 1066 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
936#else 1067#else
937 return fcntl (fd, F_GETFD) != -1; 1068 return fcntl (fd, F_GETFD) != -1;
938#endif 1069#endif
939} 1070}
940 1071
… …
958 1089
959 for (fd = anfdmax; fd--; ) 1090 for (fd = anfdmax; fd--; )
960 if (anfds [fd].events) 1091 if (anfds [fd].events)
961 { 1092 {
962 fd_kill (EV_A_ fd); 1093 fd_kill (EV_A_ fd);
963 return; 1094 break;
964 } 1095 }
965} 1096}
966 1097
967/* usually called after fork if backend needs to re-arm all fds from scratch */ 1098/* usually called after fork if backend needs to re-arm all fds from scratch */
968static void noinline 1099static void noinline
… …
977 anfds [fd].emask = 0; 1108 anfds [fd].emask = 0;
978 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1109 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
979 } 1110 }
980} 1111}
981 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
982/*****************************************************************************/ 1127/*****************************************************************************/
983 1128
984/* 1129/*
985 * 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
986 * 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
987 * the branching factor of the d-tree. 1132 * the branching factor of the d-tree.
988 */ 1133 */
989 1134
990/* 1135/*
… …
1058 1203
1059 for (;;) 1204 for (;;)
1060 { 1205 {
1061 int c = k << 1; 1206 int c = k << 1;
1062 1207
1063 if (c > N + HEAP0 - 1) 1208 if (c >= N + HEAP0)
1064 break; 1209 break;
1065 1210
1066 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) 1211 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
1067 ? 1 : 0; 1212 ? 1 : 0;
1068 1213
… …
1104 1249
1105/* move an element suitably so it is in a correct place */ 1250/* move an element suitably so it is in a correct place */
1106inline_size void 1251inline_size void
1107adjustheap (ANHE *heap, int N, int k) 1252adjustheap (ANHE *heap, int N, int k)
1108{ 1253{
1109 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) 1254 if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
1110 upheap (heap, k); 1255 upheap (heap, k);
1111 else 1256 else
1112 downheap (heap, N, k); 1257 downheap (heap, N, k);
1113} 1258}
1114 1259
… …
1127/*****************************************************************************/ 1272/*****************************************************************************/
1128 1273
1129/* associate signal watchers to a signal signal */ 1274/* associate signal watchers to a signal signal */
1130typedef struct 1275typedef struct
1131{ 1276{
1277 EV_ATOMIC_T pending;
1132#if EV_MULTIPLICITY 1278#if EV_MULTIPLICITY
1133 EV_P; 1279 EV_P;
1134#endif 1280#endif
1135 WL head; 1281 WL head;
1136 EV_ATOMIC_T gotsig;
1137} ANSIG; 1282} ANSIG;
1138 1283
1139static ANSIG signals [EV_NSIG - 1]; 1284static ANSIG signals [EV_NSIG - 1];
1140static EV_ATOMIC_T gotsig;
1141 1285
1142/*****************************************************************************/ 1286/*****************************************************************************/
1143 1287
1144/* used to prepare libev internal fd's */ 1288#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1145/* this is not fork-safe */
1146inline_speed void
1147fd_intern (int fd)
1148{
1149#ifdef _WIN32
1150 unsigned long arg = 1;
1151 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1152#else
1153 fcntl (fd, F_SETFD, FD_CLOEXEC);
1154 fcntl (fd, F_SETFL, O_NONBLOCK);
1155#endif
1156}
1157 1289
1158static void noinline 1290static void noinline
1159evpipe_init (EV_P) 1291evpipe_init (EV_P)
1160{ 1292{
1161 if (!ev_is_active (&pipe_w)) 1293 if (!ev_is_active (&pipe_w))
1162 { 1294 {
1163#if EV_USE_EVENTFD 1295# if EV_USE_EVENTFD
1164 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1296 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1165 if (evfd < 0 && errno == EINVAL) 1297 if (evfd < 0 && errno == EINVAL)
1166 evfd = eventfd (0, 0); 1298 evfd = eventfd (0, 0);
1167 1299
1168 if (evfd >= 0) 1300 if (evfd >= 0)
… …
1170 evpipe [0] = -1; 1302 evpipe [0] = -1;
1171 fd_intern (evfd); /* doing it twice doesn't hurt */ 1303 fd_intern (evfd); /* doing it twice doesn't hurt */
1172 ev_io_set (&pipe_w, evfd, EV_READ); 1304 ev_io_set (&pipe_w, evfd, EV_READ);
1173 } 1305 }
1174 else 1306 else
1175#endif 1307# endif
1176 { 1308 {
1177 while (pipe (evpipe)) 1309 while (pipe (evpipe))
1178 ev_syserr ("(libev) error creating signal/async pipe"); 1310 ev_syserr ("(libev) error creating signal/async pipe");
1179 1311
1180 fd_intern (evpipe [0]); 1312 fd_intern (evpipe [0]);
… …
1191evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1323evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1192{ 1324{
1193 if (!*flag) 1325 if (!*flag)
1194 { 1326 {
1195 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;
1196 1329
1197 *flag = 1; 1330 *flag = 1;
1198 1331
1199#if EV_USE_EVENTFD 1332#if EV_USE_EVENTFD
1200 if (evfd >= 0) 1333 if (evfd >= 0)
… …
1202 uint64_t counter = 1; 1335 uint64_t counter = 1;
1203 write (evfd, &counter, sizeof (uint64_t)); 1336 write (evfd, &counter, sizeof (uint64_t));
1204 } 1337 }
1205 else 1338 else
1206#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. */
1207 write (evpipe [1], &old_errno, 1); 1345 write (evpipe [1], &dummy, 1);
1208 1346
1209 errno = old_errno; 1347 errno = old_errno;
1210 } 1348 }
1211} 1349}
1212 1350
1213/* called whenever the libev signal pipe */ 1351/* called whenever the libev signal pipe */
1214/* got some events (signal, async) */ 1352/* got some events (signal, async) */
1215static void 1353static void
1216pipecb (EV_P_ ev_io *iow, int revents) 1354pipecb (EV_P_ ev_io *iow, int revents)
1217{ 1355{
1356 int i;
1357
1218#if EV_USE_EVENTFD 1358#if EV_USE_EVENTFD
1219 if (evfd >= 0) 1359 if (evfd >= 0)
1220 { 1360 {
1221 uint64_t counter; 1361 uint64_t counter;
1222 read (evfd, &counter, sizeof (uint64_t)); 1362 read (evfd, &counter, sizeof (uint64_t));
1223 } 1363 }
1224 else 1364 else
1225#endif 1365#endif
1226 { 1366 {
1227 char dummy; 1367 char dummy;
1368 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1228 read (evpipe [0], &dummy, 1); 1369 read (evpipe [0], &dummy, 1);
1229 } 1370 }
1230 1371
1231 if (gotsig && ev_is_default_loop (EV_A)) 1372#if EV_SIGNAL_ENABLE
1373 if (sig_pending)
1232 { 1374 {
1233 int signum; 1375 sig_pending = 0;
1234 gotsig = 0;
1235 1376
1236 for (signum = EV_NSIG - 1; signum--; ) 1377 for (i = EV_NSIG - 1; i--; )
1237 if (signals [signum].gotsig) 1378 if (expect_false (signals [i].pending))
1238 ev_feed_signal_event (EV_A_ signum + 1); 1379 ev_feed_signal_event (EV_A_ i + 1);
1239 } 1380 }
1381#endif
1240 1382
1241#if EV_ASYNC_ENABLE 1383#if EV_ASYNC_ENABLE
1242 if (gotasync) 1384 if (async_pending)
1243 { 1385 {
1244 int i; 1386 async_pending = 0;
1245 gotasync = 0;
1246 1387
1247 for (i = asynccnt; i--; ) 1388 for (i = asynccnt; i--; )
1248 if (asyncs [i]->sent) 1389 if (asyncs [i]->sent)
1249 { 1390 {
1250 asyncs [i]->sent = 0; 1391 asyncs [i]->sent = 0;
… …
1254#endif 1395#endif
1255} 1396}
1256 1397
1257/*****************************************************************************/ 1398/*****************************************************************************/
1258 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
1259static void 1414static void
1260ev_sighandler (int signum) 1415ev_sighandler (int signum)
1261{ 1416{
1262#if EV_MULTIPLICITY
1263 EV_P = signals [signum - 1].loop;
1264#endif
1265
1266#if _WIN32 1417#ifdef _WIN32
1267 signal (signum, ev_sighandler); 1418 signal (signum, ev_sighandler);
1268#endif 1419#endif
1269 1420
1270 signals [signum - 1].gotsig = 1; 1421 ev_feed_signal (signum);
1271 evpipe_write (EV_A_ &gotsig);
1272} 1422}
1273 1423
1274void noinline 1424void noinline
1275ev_feed_signal_event (EV_P_ int signum) 1425ev_feed_signal_event (EV_P_ int signum)
1276{ 1426{
1277 WL w; 1427 WL w;
1278 1428
1429 if (expect_false (signum <= 0 || signum > EV_NSIG))
1430 return;
1431
1432 --signum;
1433
1279#if EV_MULTIPLICITY 1434#if EV_MULTIPLICITY
1280 assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); 1435 /* it is permissible to try to feed a signal to the wrong loop */
1281#endif 1436 /* or, likely more useful, feeding a signal nobody is waiting for */
1282 1437
1283 if (signum <= 0 || signum > EV_NSIG) 1438 if (expect_false (signals [signum].loop != EV_A))
1284 return; 1439 return;
1440#endif
1285 1441
1286 --signum;
1287
1288 signals [signum].gotsig = 0; 1442 signals [signum].pending = 0;
1289 1443
1290 for (w = signals [signum].head; w; w = w->next) 1444 for (w = signals [signum].head; w; w = w->next)
1291 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 1445 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1292} 1446}
1293 1447
… …
1309 break; 1463 break;
1310 } 1464 }
1311} 1465}
1312#endif 1466#endif
1313 1467
1468#endif
1469
1314/*****************************************************************************/ 1470/*****************************************************************************/
1315 1471
1472#if EV_CHILD_ENABLE
1316static WL childs [EV_PID_HASHSIZE]; 1473static WL childs [EV_PID_HASHSIZE];
1317
1318#ifndef _WIN32
1319 1474
1320static ev_signal childev; 1475static ev_signal childev;
1321 1476
1322#ifndef WIFCONTINUED 1477#ifndef WIFCONTINUED
1323# define WIFCONTINUED(status) 0 1478# define WIFCONTINUED(status) 0
… …
1328child_reap (EV_P_ int chain, int pid, int status) 1483child_reap (EV_P_ int chain, int pid, int status)
1329{ 1484{
1330 ev_child *w; 1485 ev_child *w;
1331 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1486 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1332 1487
1333 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)
1334 { 1489 {
1335 if ((w->pid == pid || !w->pid) 1490 if ((w->pid == pid || !w->pid)
1336 && (!traced || (w->flags & 1))) 1491 && (!traced || (w->flags & 1)))
1337 { 1492 {
1338 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 */
… …
1363 /* 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 */
1364 /* 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 */
1365 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1520 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1366 1521
1367 child_reap (EV_A_ pid, pid, status); 1522 child_reap (EV_A_ pid, pid, status);
1368 if (EV_PID_HASHSIZE > 1) 1523 if ((EV_PID_HASHSIZE) > 1)
1369 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 */
1370} 1525}
1371 1526
1372#endif 1527#endif
1373 1528
1374/*****************************************************************************/ 1529/*****************************************************************************/
1375 1530
1531#if EV_USE_IOCP
1532# include "ev_iocp.c"
1533#endif
1376#if EV_USE_PORT 1534#if EV_USE_PORT
1377# include "ev_port.c" 1535# include "ev_port.c"
1378#endif 1536#endif
1379#if EV_USE_KQUEUE 1537#if EV_USE_KQUEUE
1380# include "ev_kqueue.c" 1538# include "ev_kqueue.c"
… …
1440#ifdef __APPLE__ 1598#ifdef __APPLE__
1441 /* only select works correctly on that "unix-certified" platform */ 1599 /* only select works correctly on that "unix-certified" platform */
1442 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1600 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1443 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 */
1444#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
1445 1606
1446 return flags; 1607 return flags;
1447} 1608}
1448 1609
1449unsigned int 1610unsigned int
1450ev_embeddable_backends (void) 1611ev_embeddable_backends (void)
1451{ 1612{
1452 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1613 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1453 1614
1454 /* 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 */
1455 /* please fix it and tell me how to detect the fix */ 1616 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1456 flags &= ~EVBACKEND_EPOLL; 1617 flags &= ~EVBACKEND_EPOLL;
1457 1618
1458 return flags; 1619 return flags;
1459} 1620}
1460 1621
1461unsigned int 1622unsigned int
1462ev_backend (EV_P) 1623ev_backend (EV_P)
1463{ 1624{
1464 return backend; 1625 return backend;
1465} 1626}
1466 1627
1467#if EV_MINIMAL < 2 1628#if EV_FEATURE_API
1468unsigned int 1629unsigned int
1469ev_loop_count (EV_P) 1630ev_iteration (EV_P)
1470{ 1631{
1471 return loop_count; 1632 return loop_count;
1472} 1633}
1473 1634
1474unsigned int 1635unsigned int
1475ev_loop_depth (EV_P) 1636ev_depth (EV_P)
1476{ 1637{
1477 return loop_depth; 1638 return loop_depth;
1478} 1639}
1479 1640
1480void 1641void
… …
1517static void noinline 1678static void noinline
1518loop_init (EV_P_ unsigned int flags) 1679loop_init (EV_P_ unsigned int flags)
1519{ 1680{
1520 if (!backend) 1681 if (!backend)
1521 { 1682 {
1683 origflags = flags;
1684
1522#if EV_USE_REALTIME 1685#if EV_USE_REALTIME
1523 if (!have_realtime) 1686 if (!have_realtime)
1524 { 1687 {
1525 struct timespec ts; 1688 struct timespec ts;
1526 1689
… …
1552 1715
1553 ev_rt_now = ev_time (); 1716 ev_rt_now = ev_time ();
1554 mn_now = get_clock (); 1717 mn_now = get_clock ();
1555 now_floor = mn_now; 1718 now_floor = mn_now;
1556 rtmn_diff = ev_rt_now - mn_now; 1719 rtmn_diff = ev_rt_now - mn_now;
1557#if EV_MINIMAL < 2 1720#if EV_FEATURE_API
1558 invoke_cb = ev_invoke_pending; 1721 invoke_cb = ev_invoke_pending;
1559#endif 1722#endif
1560 1723
1561 io_blocktime = 0.; 1724 io_blocktime = 0.;
1562 timeout_blocktime = 0.; 1725 timeout_blocktime = 0.;
1563 backend = 0; 1726 backend = 0;
1564 backend_fd = -1; 1727 backend_fd = -1;
1565 gotasync = 0; 1728 sig_pending = 0;
1729#if EV_ASYNC_ENABLE
1730 async_pending = 0;
1731#endif
1566#if EV_USE_INOTIFY 1732#if EV_USE_INOTIFY
1567 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 1733 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1568#endif 1734#endif
1569#if EV_USE_SIGNALFD 1735#if EV_USE_SIGNALFD
1570 sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; 1736 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1571#endif 1737#endif
1572 1738
1573 if (!(flags & 0x0000ffffU)) 1739 if (!(flags & EVBACKEND_MASK))
1574 flags |= ev_recommended_backends (); 1740 flags |= ev_recommended_backends ();
1575 1741
1742#if EV_USE_IOCP
1743 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1744#endif
1576#if EV_USE_PORT 1745#if EV_USE_PORT
1577 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1746 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1578#endif 1747#endif
1579#if EV_USE_KQUEUE 1748#if EV_USE_KQUEUE
1580 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1749 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1589 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1758 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1590#endif 1759#endif
1591 1760
1592 ev_prepare_init (&pending_w, pendingcb); 1761 ev_prepare_init (&pending_w, pendingcb);
1593 1762
1763#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1594 ev_init (&pipe_w, pipecb); 1764 ev_init (&pipe_w, pipecb);
1595 ev_set_priority (&pipe_w, EV_MAXPRI); 1765 ev_set_priority (&pipe_w, EV_MAXPRI);
1766#endif
1596 } 1767 }
1597} 1768}
1598 1769
1599/* free up a loop structure */ 1770/* free up a loop structure */
1600static void noinline 1771void
1601loop_destroy (EV_P) 1772ev_loop_destroy (EV_P)
1602{ 1773{
1603 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
1604 1798
1605 if (ev_is_active (&pipe_w)) 1799 if (ev_is_active (&pipe_w))
1606 { 1800 {
1607 /*ev_ref (EV_A);*/ 1801 /*ev_ref (EV_A);*/
1608 /*ev_io_stop (EV_A_ &pipe_w);*/ 1802 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1612 close (evfd); 1806 close (evfd);
1613#endif 1807#endif
1614 1808
1615 if (evpipe [0] >= 0) 1809 if (evpipe [0] >= 0)
1616 { 1810 {
1617 close (evpipe [0]); 1811 EV_WIN32_CLOSE_FD (evpipe [0]);
1618 close (evpipe [1]); 1812 EV_WIN32_CLOSE_FD (evpipe [1]);
1619 } 1813 }
1620 } 1814 }
1621 1815
1622#if EV_USE_SIGNALFD 1816#if EV_USE_SIGNALFD
1623 if (ev_is_active (&sigfd_w)) 1817 if (ev_is_active (&sigfd_w))
1624 {
1625 /*ev_ref (EV_A);*/
1626 /*ev_io_stop (EV_A_ &sigfd_w);*/
1627
1628 close (sigfd); 1818 close (sigfd);
1629 }
1630#endif 1819#endif
1631 1820
1632#if EV_USE_INOTIFY 1821#if EV_USE_INOTIFY
1633 if (fs_fd >= 0) 1822 if (fs_fd >= 0)
1634 close (fs_fd); 1823 close (fs_fd);
1635#endif 1824#endif
1636 1825
1637 if (backend_fd >= 0) 1826 if (backend_fd >= 0)
1638 close (backend_fd); 1827 close (backend_fd);
1639 1828
1829#if EV_USE_IOCP
1830 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1831#endif
1640#if EV_USE_PORT 1832#if EV_USE_PORT
1641 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1833 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1642#endif 1834#endif
1643#if EV_USE_KQUEUE 1835#if EV_USE_KQUEUE
1644 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1836 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1671 array_free (periodic, EMPTY); 1863 array_free (periodic, EMPTY);
1672#endif 1864#endif
1673#if EV_FORK_ENABLE 1865#if EV_FORK_ENABLE
1674 array_free (fork, EMPTY); 1866 array_free (fork, EMPTY);
1675#endif 1867#endif
1868#if EV_CLEANUP_ENABLE
1869 array_free (cleanup, EMPTY);
1870#endif
1676 array_free (prepare, EMPTY); 1871 array_free (prepare, EMPTY);
1677 array_free (check, EMPTY); 1872 array_free (check, EMPTY);
1678#if EV_ASYNC_ENABLE 1873#if EV_ASYNC_ENABLE
1679 array_free (async, EMPTY); 1874 array_free (async, EMPTY);
1680#endif 1875#endif
1681 1876
1682 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
1683} 1887}
1684 1888
1685#if EV_USE_INOTIFY 1889#if EV_USE_INOTIFY
1686inline_size void infy_fork (EV_P); 1890inline_size void infy_fork (EV_P);
1687#endif 1891#endif
… …
1704 1908
1705 if (ev_is_active (&pipe_w)) 1909 if (ev_is_active (&pipe_w))
1706 { 1910 {
1707 /* this "locks" the handlers against writing to the pipe */ 1911 /* this "locks" the handlers against writing to the pipe */
1708 /* while we modify the fd vars */ 1912 /* while we modify the fd vars */
1709 gotsig = 1; 1913 sig_pending = 1;
1710#if EV_ASYNC_ENABLE 1914#if EV_ASYNC_ENABLE
1711 gotasync = 1; 1915 async_pending = 1;
1712#endif 1916#endif
1713 1917
1714 ev_ref (EV_A); 1918 ev_ref (EV_A);
1715 ev_io_stop (EV_A_ &pipe_w); 1919 ev_io_stop (EV_A_ &pipe_w);
1716 1920
… …
1719 close (evfd); 1923 close (evfd);
1720#endif 1924#endif
1721 1925
1722 if (evpipe [0] >= 0) 1926 if (evpipe [0] >= 0)
1723 { 1927 {
1724 close (evpipe [0]); 1928 EV_WIN32_CLOSE_FD (evpipe [0]);
1725 close (evpipe [1]); 1929 EV_WIN32_CLOSE_FD (evpipe [1]);
1726 } 1930 }
1727 1931
1932#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1728 evpipe_init (EV_A); 1933 evpipe_init (EV_A);
1729 /* now iterate over everything, in case we missed something */ 1934 /* now iterate over everything, in case we missed something */
1730 pipecb (EV_A_ &pipe_w, EV_READ); 1935 pipecb (EV_A_ &pipe_w, EV_READ);
1936#endif
1731 } 1937 }
1732 1938
1733 postfork = 0; 1939 postfork = 0;
1734} 1940}
1735 1941
… …
1744 loop_init (EV_A_ flags); 1950 loop_init (EV_A_ flags);
1745 1951
1746 if (ev_backend (EV_A)) 1952 if (ev_backend (EV_A))
1747 return EV_A; 1953 return EV_A;
1748 1954
1955 ev_free (EV_A);
1749 return 0; 1956 return 0;
1750} 1957}
1751 1958
1752void
1753ev_loop_destroy (EV_P)
1754{
1755 loop_destroy (EV_A);
1756 ev_free (loop);
1757}
1758
1759void
1760ev_loop_fork (EV_P)
1761{
1762 postfork = 1; /* must be in line with ev_default_fork */
1763}
1764#endif /* multiplicity */ 1959#endif /* multiplicity */
1765 1960
1766#if EV_VERIFY 1961#if EV_VERIFY
1767static void noinline 1962static void noinline
1768verify_watcher (EV_P_ W w) 1963verify_watcher (EV_P_ W w)
… …
1797 verify_watcher (EV_A_ ws [cnt]); 1992 verify_watcher (EV_A_ ws [cnt]);
1798 } 1993 }
1799} 1994}
1800#endif 1995#endif
1801 1996
1802#if EV_MINIMAL < 2 1997#if EV_FEATURE_API
1803void 1998void
1804ev_loop_verify (EV_P) 1999ev_verify (EV_P)
1805{ 2000{
1806#if EV_VERIFY 2001#if EV_VERIFY
1807 int i; 2002 int i;
1808 WL w; 2003 WL w;
1809 2004
… …
1843#if EV_FORK_ENABLE 2038#if EV_FORK_ENABLE
1844 assert (forkmax >= forkcnt); 2039 assert (forkmax >= forkcnt);
1845 array_verify (EV_A_ (W *)forks, forkcnt); 2040 array_verify (EV_A_ (W *)forks, forkcnt);
1846#endif 2041#endif
1847 2042
2043#if EV_CLEANUP_ENABLE
2044 assert (cleanupmax >= cleanupcnt);
2045 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2046#endif
2047
1848#if EV_ASYNC_ENABLE 2048#if EV_ASYNC_ENABLE
1849 assert (asyncmax >= asynccnt); 2049 assert (asyncmax >= asynccnt);
1850 array_verify (EV_A_ (W *)asyncs, asynccnt); 2050 array_verify (EV_A_ (W *)asyncs, asynccnt);
1851#endif 2051#endif
1852 2052
2053#if EV_PREPARE_ENABLE
1853 assert (preparemax >= preparecnt); 2054 assert (preparemax >= preparecnt);
1854 array_verify (EV_A_ (W *)prepares, preparecnt); 2055 array_verify (EV_A_ (W *)prepares, preparecnt);
2056#endif
1855 2057
2058#if EV_CHECK_ENABLE
1856 assert (checkmax >= checkcnt); 2059 assert (checkmax >= checkcnt);
1857 array_verify (EV_A_ (W *)checks, checkcnt); 2060 array_verify (EV_A_ (W *)checks, checkcnt);
2061#endif
1858 2062
1859# if 0 2063# if 0
2064#if EV_CHILD_ENABLE
1860 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)
1861 for (signum = EV_NSIG; signum--; ) if (signals [signum].gotsig) 2066 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
2067#endif
1862# endif 2068# endif
1863#endif 2069#endif
1864} 2070}
1865#endif 2071#endif
1866 2072
1867#if EV_MULTIPLICITY 2073#if EV_MULTIPLICITY
1868struct ev_loop * 2074struct ev_loop *
1869ev_default_loop_init (unsigned int flags)
1870#else 2075#else
1871int 2076int
2077#endif
1872ev_default_loop (unsigned int flags) 2078ev_default_loop (unsigned int flags)
1873#endif
1874{ 2079{
1875 if (!ev_default_loop_ptr) 2080 if (!ev_default_loop_ptr)
1876 { 2081 {
1877#if EV_MULTIPLICITY 2082#if EV_MULTIPLICITY
1878 EV_P = ev_default_loop_ptr = &default_loop_struct; 2083 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1882 2087
1883 loop_init (EV_A_ flags); 2088 loop_init (EV_A_ flags);
1884 2089
1885 if (ev_backend (EV_A)) 2090 if (ev_backend (EV_A))
1886 { 2091 {
1887#ifndef _WIN32 2092#if EV_CHILD_ENABLE
1888 ev_signal_init (&childev, childcb, SIGCHLD); 2093 ev_signal_init (&childev, childcb, SIGCHLD);
1889 ev_set_priority (&childev, EV_MAXPRI); 2094 ev_set_priority (&childev, EV_MAXPRI);
1890 ev_signal_start (EV_A_ &childev); 2095 ev_signal_start (EV_A_ &childev);
1891 ev_unref (EV_A); /* child watcher should not keep loop alive */ 2096 ev_unref (EV_A); /* child watcher should not keep loop alive */
1892#endif 2097#endif
… …
1897 2102
1898 return ev_default_loop_ptr; 2103 return ev_default_loop_ptr;
1899} 2104}
1900 2105
1901void 2106void
1902ev_default_destroy (void) 2107ev_loop_fork (EV_P)
1903{ 2108{
1904#if EV_MULTIPLICITY
1905 EV_P = ev_default_loop_ptr;
1906#endif
1907
1908 ev_default_loop_ptr = 0;
1909
1910#ifndef _WIN32
1911 ev_ref (EV_A); /* child watcher */
1912 ev_signal_stop (EV_A_ &childev);
1913#endif
1914
1915 loop_destroy (EV_A);
1916}
1917
1918void
1919ev_default_fork (void)
1920{
1921#if EV_MULTIPLICITY
1922 EV_P = ev_default_loop_ptr;
1923#endif
1924
1925 postfork = 1; /* must be in line with ev_loop_fork */ 2109 postfork = 1; /* must be in line with ev_default_fork */
1926} 2110}
1927 2111
1928/*****************************************************************************/ 2112/*****************************************************************************/
1929 2113
1930void 2114void
… …
1952 2136
1953 for (pri = NUMPRI; pri--; ) 2137 for (pri = NUMPRI; pri--; )
1954 while (pendingcnt [pri]) 2138 while (pendingcnt [pri])
1955 { 2139 {
1956 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2140 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1957
1958 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
1959 /* ^ this is no longer true, as pending_w could be here */
1960 2141
1961 p->w->pending = 0; 2142 p->w->pending = 0;
1962 EV_CB_INVOKE (p->w, p->events); 2143 EV_CB_INVOKE (p->w, p->events);
1963 EV_FREQUENT_CHECK; 2144 EV_FREQUENT_CHECK;
1964 } 2145 }
… …
2021 EV_FREQUENT_CHECK; 2202 EV_FREQUENT_CHECK;
2022 feed_reverse (EV_A_ (W)w); 2203 feed_reverse (EV_A_ (W)w);
2023 } 2204 }
2024 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2205 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2025 2206
2026 feed_reverse_done (EV_A_ EV_TIMEOUT); 2207 feed_reverse_done (EV_A_ EV_TIMER);
2027 } 2208 }
2028} 2209}
2029 2210
2030#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
2031/* make periodics pending */ 2221/* make periodics pending */
2032inline_size void 2222inline_size void
2033periodics_reify (EV_P) 2223periodics_reify (EV_P)
2034{ 2224{
2035 EV_FREQUENT_CHECK; 2225 EV_FREQUENT_CHECK;
… …
2054 ANHE_at_cache (periodics [HEAP0]); 2244 ANHE_at_cache (periodics [HEAP0]);
2055 downheap (periodics, periodiccnt, HEAP0); 2245 downheap (periodics, periodiccnt, HEAP0);
2056 } 2246 }
2057 else if (w->interval) 2247 else if (w->interval)
2058 { 2248 {
2059 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2249 periodic_recalc (EV_A_ w);
2250
2060 /* 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 */
2061 /* this might happen because of floating point inexactness */ 2252 /* this might happen because of floating point inexactness */
2062 if (ev_at (w) - ev_rt_now < TIME_EPSILON) 2253 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2063 { 2254 {
2064 ev_at (w) += w->interval; 2255 ev_at (w) += w->interval;
… …
2084 feed_reverse_done (EV_A_ EV_PERIODIC); 2275 feed_reverse_done (EV_A_ EV_PERIODIC);
2085 } 2276 }
2086} 2277}
2087 2278
2088/* simply recalculate all periodics */ 2279/* simply recalculate all periodics */
2089/* 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? */
2090static void noinline 2281static void noinline
2091periodics_reschedule (EV_P) 2282periodics_reschedule (EV_P)
2092{ 2283{
2093 int i; 2284 int i;
2094 2285
… …
2098 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); 2289 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
2099 2290
2100 if (w->reschedule_cb) 2291 if (w->reschedule_cb)
2101 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2292 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2102 else if (w->interval) 2293 else if (w->interval)
2103 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2294 periodic_recalc (EV_A_ w);
2104 2295
2105 ANHE_at_cache (periodics [i]); 2296 ANHE_at_cache (periodics [i]);
2106 } 2297 }
2107 2298
2108 reheap (periodics, periodiccnt); 2299 reheap (periodics, periodiccnt);
… …
2122 ANHE_at_cache (*he); 2313 ANHE_at_cache (*he);
2123 } 2314 }
2124} 2315}
2125 2316
2126/* fetch new monotonic and realtime times from the kernel */ 2317/* fetch new monotonic and realtime times from the kernel */
2127/* also detetc if there was a timejump, and act accordingly */ 2318/* also detect if there was a timejump, and act accordingly */
2128inline_speed void 2319inline_speed void
2129time_update (EV_P_ ev_tstamp max_block) 2320time_update (EV_P_ ev_tstamp max_block)
2130{ 2321{
2131#if EV_USE_MONOTONIC 2322#if EV_USE_MONOTONIC
2132 if (expect_true (have_monotonic)) 2323 if (expect_true (have_monotonic))
… …
2190 mn_now = ev_rt_now; 2381 mn_now = ev_rt_now;
2191 } 2382 }
2192} 2383}
2193 2384
2194void 2385void
2195ev_loop (EV_P_ int flags) 2386ev_run (EV_P_ int flags)
2196{ 2387{
2197#if EV_MINIMAL < 2 2388#if EV_FEATURE_API
2198 ++loop_depth; 2389 ++loop_depth;
2199#endif 2390#endif
2200 2391
2201 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));
2202 2393
2203 loop_done = EVUNLOOP_CANCEL; 2394 loop_done = EVBREAK_CANCEL;
2204 2395
2205 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 */
2206 2397
2207 do 2398 do
2208 { 2399 {
2209#if EV_VERIFY >= 2 2400#if EV_VERIFY >= 2
2210 ev_loop_verify (EV_A); 2401 ev_verify (EV_A);
2211#endif 2402#endif
2212 2403
2213#ifndef _WIN32 2404#ifndef _WIN32
2214 if (expect_false (curpid)) /* penalise the forking check even more */ 2405 if (expect_false (curpid)) /* penalise the forking check even more */
2215 if (expect_false (getpid () != curpid)) 2406 if (expect_false (getpid () != curpid))
… …
2227 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2418 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2228 EV_INVOKE_PENDING; 2419 EV_INVOKE_PENDING;
2229 } 2420 }
2230#endif 2421#endif
2231 2422
2423#if EV_PREPARE_ENABLE
2232 /* queue prepare watchers (and execute them) */ 2424 /* queue prepare watchers (and execute them) */
2233 if (expect_false (preparecnt)) 2425 if (expect_false (preparecnt))
2234 { 2426 {
2235 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2427 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2236 EV_INVOKE_PENDING; 2428 EV_INVOKE_PENDING;
2237 } 2429 }
2430#endif
2238 2431
2239 if (expect_false (loop_done)) 2432 if (expect_false (loop_done))
2240 break; 2433 break;
2241 2434
2242 /* we might have forked, so reify kernel state if necessary */ 2435 /* we might have forked, so reify kernel state if necessary */
… …
2249 /* calculate blocking time */ 2442 /* calculate blocking time */
2250 { 2443 {
2251 ev_tstamp waittime = 0.; 2444 ev_tstamp waittime = 0.;
2252 ev_tstamp sleeptime = 0.; 2445 ev_tstamp sleeptime = 0.;
2253 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
2254 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2453 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2255 { 2454 {
2256 /* remember old timestamp for io_blocktime calculation */
2257 ev_tstamp prev_mn_now = mn_now;
2258
2259 /* update time to cancel out callback processing overhead */
2260 time_update (EV_A_ 1e100);
2261
2262 waittime = MAX_BLOCKTIME; 2455 waittime = MAX_BLOCKTIME;
2263 2456
2264 if (timercnt) 2457 if (timercnt)
2265 { 2458 {
2266 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2459 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
… …
2293 waittime -= sleeptime; 2486 waittime -= sleeptime;
2294 } 2487 }
2295 } 2488 }
2296 } 2489 }
2297 2490
2298#if EV_MINIMAL < 2 2491#if EV_FEATURE_API
2299 ++loop_count; 2492 ++loop_count;
2300#endif 2493#endif
2301 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2494 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2302 backend_poll (EV_A_ waittime); 2495 backend_poll (EV_A_ waittime);
2303 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2496 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2304 2497
2305 /* update ev_rt_now, do magic */ 2498 /* update ev_rt_now, do magic */
2306 time_update (EV_A_ waittime + sleeptime); 2499 time_update (EV_A_ waittime + sleeptime);
2307 } 2500 }
2308 2501
… …
2315#if EV_IDLE_ENABLE 2508#if EV_IDLE_ENABLE
2316 /* queue idle watchers unless other events are pending */ 2509 /* queue idle watchers unless other events are pending */
2317 idle_reify (EV_A); 2510 idle_reify (EV_A);
2318#endif 2511#endif
2319 2512
2513#if EV_CHECK_ENABLE
2320 /* queue check watchers, to be executed first */ 2514 /* queue check watchers, to be executed first */
2321 if (expect_false (checkcnt)) 2515 if (expect_false (checkcnt))
2322 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2516 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2517#endif
2323 2518
2324 EV_INVOKE_PENDING; 2519 EV_INVOKE_PENDING;
2325 } 2520 }
2326 while (expect_true ( 2521 while (expect_true (
2327 activecnt 2522 activecnt
2328 && !loop_done 2523 && !loop_done
2329 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2524 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2330 )); 2525 ));
2331 2526
2332 if (loop_done == EVUNLOOP_ONE) 2527 if (loop_done == EVBREAK_ONE)
2333 loop_done = EVUNLOOP_CANCEL; 2528 loop_done = EVBREAK_CANCEL;
2334 2529
2335#if EV_MINIMAL < 2 2530#if EV_FEATURE_API
2336 --loop_depth; 2531 --loop_depth;
2337#endif 2532#endif
2338} 2533}
2339 2534
2340void 2535void
2341ev_unloop (EV_P_ int how) 2536ev_break (EV_P_ int how)
2342{ 2537{
2343 loop_done = how; 2538 loop_done = how;
2344} 2539}
2345 2540
2346void 2541void
… …
2393inline_size void 2588inline_size void
2394wlist_del (WL *head, WL elem) 2589wlist_del (WL *head, WL elem)
2395{ 2590{
2396 while (*head) 2591 while (*head)
2397 { 2592 {
2398 if (*head == elem) 2593 if (expect_true (*head == elem))
2399 { 2594 {
2400 *head = elem->next; 2595 *head = elem->next;
2401 return; 2596 break;
2402 } 2597 }
2403 2598
2404 head = &(*head)->next; 2599 head = &(*head)->next;
2405 } 2600 }
2406} 2601}
… …
2466 2661
2467 if (expect_false (ev_is_active (w))) 2662 if (expect_false (ev_is_active (w)))
2468 return; 2663 return;
2469 2664
2470 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 2665 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2471 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))));
2472 2667
2473 EV_FREQUENT_CHECK; 2668 EV_FREQUENT_CHECK;
2474 2669
2475 ev_start (EV_A_ (W)w, 1); 2670 ev_start (EV_A_ (W)w, 1);
2476 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 2671 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
… …
2494 EV_FREQUENT_CHECK; 2689 EV_FREQUENT_CHECK;
2495 2690
2496 wlist_del (&anfds[w->fd].head, (WL)w); 2691 wlist_del (&anfds[w->fd].head, (WL)w);
2497 ev_stop (EV_A_ (W)w); 2692 ev_stop (EV_A_ (W)w);
2498 2693
2499 fd_change (EV_A_ w->fd, 1); 2694 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2500 2695
2501 EV_FREQUENT_CHECK; 2696 EV_FREQUENT_CHECK;
2502} 2697}
2503 2698
2504void noinline 2699void noinline
… …
2546 timers [active] = timers [timercnt + HEAP0]; 2741 timers [active] = timers [timercnt + HEAP0];
2547 adjustheap (timers, timercnt, active); 2742 adjustheap (timers, timercnt, active);
2548 } 2743 }
2549 } 2744 }
2550 2745
2551 EV_FREQUENT_CHECK;
2552
2553 ev_at (w) -= mn_now; 2746 ev_at (w) -= mn_now;
2554 2747
2555 ev_stop (EV_A_ (W)w); 2748 ev_stop (EV_A_ (W)w);
2749
2750 EV_FREQUENT_CHECK;
2556} 2751}
2557 2752
2558void noinline 2753void noinline
2559ev_timer_again (EV_P_ ev_timer *w) 2754ev_timer_again (EV_P_ ev_timer *w)
2560{ 2755{
… …
2596 if (w->reschedule_cb) 2791 if (w->reschedule_cb)
2597 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2792 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2598 else if (w->interval) 2793 else if (w->interval)
2599 { 2794 {
2600 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.));
2601 /* this formula differs from the one in periodic_reify because we do not always round up */ 2796 periodic_recalc (EV_A_ w);
2602 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2603 } 2797 }
2604 else 2798 else
2605 ev_at (w) = w->offset; 2799 ev_at (w) = w->offset;
2606 2800
2607 EV_FREQUENT_CHECK; 2801 EV_FREQUENT_CHECK;
… …
2639 periodics [active] = periodics [periodiccnt + HEAP0]; 2833 periodics [active] = periodics [periodiccnt + HEAP0];
2640 adjustheap (periodics, periodiccnt, active); 2834 adjustheap (periodics, periodiccnt, active);
2641 } 2835 }
2642 } 2836 }
2643 2837
2644 EV_FREQUENT_CHECK;
2645
2646 ev_stop (EV_A_ (W)w); 2838 ev_stop (EV_A_ (W)w);
2839
2840 EV_FREQUENT_CHECK;
2647} 2841}
2648 2842
2649void noinline 2843void noinline
2650ev_periodic_again (EV_P_ ev_periodic *w) 2844ev_periodic_again (EV_P_ ev_periodic *w)
2651{ 2845{
… …
2657 2851
2658#ifndef SA_RESTART 2852#ifndef SA_RESTART
2659# define SA_RESTART 0 2853# define SA_RESTART 0
2660#endif 2854#endif
2661 2855
2856#if EV_SIGNAL_ENABLE
2857
2662void noinline 2858void noinline
2663ev_signal_start (EV_P_ ev_signal *w) 2859ev_signal_start (EV_P_ ev_signal *w)
2664{ 2860{
2665 if (expect_false (ev_is_active (w))) 2861 if (expect_false (ev_is_active (w)))
2666 return; 2862 return;
2667 2863
2668 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 2864 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
2669 2865
2670#if EV_MULTIPLICITY 2866#if EV_MULTIPLICITY
2671 assert (("libev: tried to attach to a signal from two different loops", 2867 assert (("libev: a signal must not be attached to two different loops",
2672 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); 2868 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
2673 2869
2674 signals [w->signum - 1].loop = EV_A; 2870 signals [w->signum - 1].loop = EV_A;
2675#endif 2871#endif
2676 2872
… …
2712 if (!((WL)w)->next) 2908 if (!((WL)w)->next)
2713# if EV_USE_SIGNALFD 2909# if EV_USE_SIGNALFD
2714 if (sigfd < 0) /*TODO*/ 2910 if (sigfd < 0) /*TODO*/
2715# endif 2911# endif
2716 { 2912 {
2717# if _WIN32 2913# ifdef _WIN32
2914 evpipe_init (EV_A);
2915
2718 signal (w->signum, ev_sighandler); 2916 signal (w->signum, ev_sighandler);
2719# else 2917# else
2720 struct sigaction sa; 2918 struct sigaction sa;
2721 2919
2722 evpipe_init (EV_A); 2920 evpipe_init (EV_A);
… …
2724 sa.sa_handler = ev_sighandler; 2922 sa.sa_handler = ev_sighandler;
2725 sigfillset (&sa.sa_mask); 2923 sigfillset (&sa.sa_mask);
2726 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 */
2727 sigaction (w->signum, &sa, 0); 2925 sigaction (w->signum, &sa, 0);
2728 2926
2927 if (origflags & EVFLAG_NOSIGMASK)
2928 {
2729 sigemptyset (&sa.sa_mask); 2929 sigemptyset (&sa.sa_mask);
2730 sigaddset (&sa.sa_mask, w->signum); 2930 sigaddset (&sa.sa_mask, w->signum);
2731 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 2931 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2932 }
2732#endif 2933#endif
2733 } 2934 }
2734 2935
2735 EV_FREQUENT_CHECK; 2936 EV_FREQUENT_CHECK;
2736} 2937}
… …
2747 wlist_del (&signals [w->signum - 1].head, (WL)w); 2948 wlist_del (&signals [w->signum - 1].head, (WL)w);
2748 ev_stop (EV_A_ (W)w); 2949 ev_stop (EV_A_ (W)w);
2749 2950
2750 if (!signals [w->signum - 1].head) 2951 if (!signals [w->signum - 1].head)
2751 { 2952 {
2752 #if EV_MULTIPLICITY 2953#if EV_MULTIPLICITY
2753 signals [w->signum - 1].loop = 0; /* unattach from signal */ 2954 signals [w->signum - 1].loop = 0; /* unattach from signal */
2754 #endif 2955#endif
2755 #if EV_USE_SIGNALFD 2956#if EV_USE_SIGNALFD
2756 if (sigfd >= 0) 2957 if (sigfd >= 0)
2757 { 2958 {
2758 sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D 2959 sigset_t ss;
2960
2961 sigemptyset (&ss);
2962 sigaddset (&ss, w->signum);
2759 sigdelset (&sigfd_set, w->signum); 2963 sigdelset (&sigfd_set, w->signum);
2964
2760 signalfd (sigfd, &sigfd_set, 0); 2965 signalfd (sigfd, &sigfd_set, 0);
2761 sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D 2966 sigprocmask (SIG_UNBLOCK, &ss, 0);
2762 /*TODO: maybe unblock signal? */
2763 } 2967 }
2764 else 2968 else
2765 #endif 2969#endif
2766 signal (w->signum, SIG_DFL); 2970 signal (w->signum, SIG_DFL);
2767 } 2971 }
2768 2972
2769 EV_FREQUENT_CHECK; 2973 EV_FREQUENT_CHECK;
2770} 2974}
2975
2976#endif
2977
2978#if EV_CHILD_ENABLE
2771 2979
2772void 2980void
2773ev_child_start (EV_P_ ev_child *w) 2981ev_child_start (EV_P_ ev_child *w)
2774{ 2982{
2775#if EV_MULTIPLICITY 2983#if EV_MULTIPLICITY
… …
2779 return; 2987 return;
2780 2988
2781 EV_FREQUENT_CHECK; 2989 EV_FREQUENT_CHECK;
2782 2990
2783 ev_start (EV_A_ (W)w, 1); 2991 ev_start (EV_A_ (W)w, 1);
2784 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2992 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2785 2993
2786 EV_FREQUENT_CHECK; 2994 EV_FREQUENT_CHECK;
2787} 2995}
2788 2996
2789void 2997void
… …
2793 if (expect_false (!ev_is_active (w))) 3001 if (expect_false (!ev_is_active (w)))
2794 return; 3002 return;
2795 3003
2796 EV_FREQUENT_CHECK; 3004 EV_FREQUENT_CHECK;
2797 3005
2798 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 3006 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2799 ev_stop (EV_A_ (W)w); 3007 ev_stop (EV_A_ (W)w);
2800 3008
2801 EV_FREQUENT_CHECK; 3009 EV_FREQUENT_CHECK;
2802} 3010}
3011
3012#endif
2803 3013
2804#if EV_STAT_ENABLE 3014#if EV_STAT_ENABLE
2805 3015
2806# ifdef _WIN32 3016# ifdef _WIN32
2807# undef lstat 3017# undef lstat
… …
2813#define MIN_STAT_INTERVAL 0.1074891 3023#define MIN_STAT_INTERVAL 0.1074891
2814 3024
2815static 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);
2816 3026
2817#if EV_USE_INOTIFY 3027#if EV_USE_INOTIFY
2818# 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)
2819 3031
2820static void noinline 3032static void noinline
2821infy_add (EV_P_ ev_stat *w) 3033infy_add (EV_P_ ev_stat *w)
2822{ 3034{
2823 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);
2824 3036
2825 if (w->wd < 0) 3037 if (w->wd >= 0)
3038 {
3039 struct statfs sfs;
3040
3041 /* now local changes will be tracked by inotify, but remote changes won't */
3042 /* unless the filesystem is known to be local, we therefore still poll */
3043 /* also do poll on <2.6.25, but with normal frequency */
3044
3045 if (!fs_2625)
3046 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3047 else if (!statfs (w->path, &sfs)
3048 && (sfs.f_type == 0x1373 /* devfs */
3049 || sfs.f_type == 0xEF53 /* ext2/3 */
3050 || sfs.f_type == 0x3153464a /* jfs */
3051 || sfs.f_type == 0x52654973 /* reiser3 */
3052 || sfs.f_type == 0x01021994 /* tempfs */
3053 || sfs.f_type == 0x58465342 /* xfs */))
3054 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3055 else
3056 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2826 { 3057 }
3058 else
3059 {
3060 /* can't use inotify, continue to stat */
2827 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; 3061 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2828 ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2829 3062
2830 /* monitor some parent directory for speedup hints */ 3063 /* if path is not there, monitor some parent directory for speedup hints */
2831 /* note that exceeding the hardcoded path limit is not a correctness issue, */ 3064 /* note that exceeding the hardcoded path limit is not a correctness issue, */
2832 /* but an efficiency issue only */ 3065 /* but an efficiency issue only */
2833 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 3066 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2834 { 3067 {
2835 char path [4096]; 3068 char path [4096];
… …
2851 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3084 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2852 } 3085 }
2853 } 3086 }
2854 3087
2855 if (w->wd >= 0) 3088 if (w->wd >= 0)
2856 {
2857 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);
2858 3090
2859 /* now local changes will be tracked by inotify, but remote changes won't */ 3091 /* now re-arm timer, if required */
2860 /* unless the filesystem it known to be local, we therefore still poll */ 3092 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2861 /* also do poll on <2.6.25, but with normal frequency */
2862 struct statfs sfs;
2863
2864 if (fs_2625 && !statfs (w->path, &sfs))
2865 if (sfs.f_type == 0x1373 /* devfs */
2866 || sfs.f_type == 0xEF53 /* ext2/3 */
2867 || sfs.f_type == 0x3153464a /* jfs */
2868 || sfs.f_type == 0x52654973 /* reiser3 */
2869 || sfs.f_type == 0x01021994 /* tempfs */
2870 || sfs.f_type == 0x58465342 /* xfs */)
2871 return;
2872
2873 w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2874 ev_timer_again (EV_A_ &w->timer); 3093 ev_timer_again (EV_A_ &w->timer);
2875 } 3094 if (ev_is_active (&w->timer)) ev_unref (EV_A);
2876} 3095}
2877 3096
2878static void noinline 3097static void noinline
2879infy_del (EV_P_ ev_stat *w) 3098infy_del (EV_P_ ev_stat *w)
2880{ 3099{
… …
2883 3102
2884 if (wd < 0) 3103 if (wd < 0)
2885 return; 3104 return;
2886 3105
2887 w->wd = -2; 3106 w->wd = -2;
2888 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3107 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2889 wlist_del (&fs_hash [slot].head, (WL)w); 3108 wlist_del (&fs_hash [slot].head, (WL)w);
2890 3109
2891 /* remove this watcher, if others are watching it, they will rearm */ 3110 /* remove this watcher, if others are watching it, they will rearm */
2892 inotify_rm_watch (fs_fd, wd); 3111 inotify_rm_watch (fs_fd, wd);
2893} 3112}
… …
2895static void noinline 3114static void noinline
2896infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3115infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2897{ 3116{
2898 if (slot < 0) 3117 if (slot < 0)
2899 /* overflow, need to check for all hash slots */ 3118 /* overflow, need to check for all hash slots */
2900 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3119 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2901 infy_wd (EV_A_ slot, wd, ev); 3120 infy_wd (EV_A_ slot, wd, ev);
2902 else 3121 else
2903 { 3122 {
2904 WL w_; 3123 WL w_;
2905 3124
2906 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3125 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2907 { 3126 {
2908 ev_stat *w = (ev_stat *)w_; 3127 ev_stat *w = (ev_stat *)w_;
2909 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 */
2910 3129
2911 if (w->wd == wd || wd == -1) 3130 if (w->wd == wd || wd == -1)
2912 { 3131 {
2913 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3132 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2914 { 3133 {
2915 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);
2916 w->wd = -1; 3135 w->wd = -1;
2917 infy_add (EV_A_ w); /* re-add, no matter what */ 3136 infy_add (EV_A_ w); /* re-add, no matter what */
2918 } 3137 }
2919 3138
2920 stat_timer_cb (EV_A_ &w->timer, 0); 3139 stat_timer_cb (EV_A_ &w->timer, 0);
… …
2925 3144
2926static void 3145static void
2927infy_cb (EV_P_ ev_io *w, int revents) 3146infy_cb (EV_P_ ev_io *w, int revents)
2928{ 3147{
2929 char buf [EV_INOTIFY_BUFSIZE]; 3148 char buf [EV_INOTIFY_BUFSIZE];
2930 struct inotify_event *ev = (struct inotify_event *)buf;
2931 int ofs; 3149 int ofs;
2932 int len = read (fs_fd, buf, sizeof (buf)); 3150 int len = read (fs_fd, buf, sizeof (buf));
2933 3151
2934 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);
2935 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 }
2936} 3158}
2937 3159
2938inline_size void 3160inline_size void
2939check_2625 (EV_P) 3161ev_check_2625 (EV_P)
2940{ 3162{
2941 /* kernels < 2.6.25 are borked 3163 /* kernels < 2.6.25 are borked
2942 * 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
2943 */ 3165 */
2944 struct utsname buf; 3166 if (ev_linux_version () < 0x020619)
2945 int major, minor, micro;
2946
2947 if (uname (&buf))
2948 return; 3167 return;
2949 3168
2950 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2951 return;
2952
2953 if (major < 2
2954 || (major == 2 && minor < 6)
2955 || (major == 2 && minor == 6 && micro < 25))
2956 return;
2957
2958 fs_2625 = 1; 3169 fs_2625 = 1;
3170}
3171
3172inline_size int
3173infy_newfd (void)
3174{
3175#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
3176 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3177 if (fd >= 0)
3178 return fd;
3179#endif
3180 return inotify_init ();
2959} 3181}
2960 3182
2961inline_size void 3183inline_size void
2962infy_init (EV_P) 3184infy_init (EV_P)
2963{ 3185{
2964 if (fs_fd != -2) 3186 if (fs_fd != -2)
2965 return; 3187 return;
2966 3188
2967 fs_fd = -1; 3189 fs_fd = -1;
2968 3190
2969 check_2625 (EV_A); 3191 ev_check_2625 (EV_A);
2970 3192
2971 fs_fd = inotify_init (); 3193 fs_fd = infy_newfd ();
2972 3194
2973 if (fs_fd >= 0) 3195 if (fs_fd >= 0)
2974 { 3196 {
3197 fd_intern (fs_fd);
2975 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); 3198 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2976 ev_set_priority (&fs_w, EV_MAXPRI); 3199 ev_set_priority (&fs_w, EV_MAXPRI);
2977 ev_io_start (EV_A_ &fs_w); 3200 ev_io_start (EV_A_ &fs_w);
3201 ev_unref (EV_A);
2978 } 3202 }
2979} 3203}
2980 3204
2981inline_size void 3205inline_size void
2982infy_fork (EV_P) 3206infy_fork (EV_P)
… …
2984 int slot; 3208 int slot;
2985 3209
2986 if (fs_fd < 0) 3210 if (fs_fd < 0)
2987 return; 3211 return;
2988 3212
3213 ev_ref (EV_A);
3214 ev_io_stop (EV_A_ &fs_w);
2989 close (fs_fd); 3215 close (fs_fd);
2990 fs_fd = inotify_init (); 3216 fs_fd = infy_newfd ();
2991 3217
3218 if (fs_fd >= 0)
3219 {
3220 fd_intern (fs_fd);
3221 ev_io_set (&fs_w, fs_fd, EV_READ);
3222 ev_io_start (EV_A_ &fs_w);
3223 ev_unref (EV_A);
3224 }
3225
2992 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3226 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2993 { 3227 {
2994 WL w_ = fs_hash [slot].head; 3228 WL w_ = fs_hash [slot].head;
2995 fs_hash [slot].head = 0; 3229 fs_hash [slot].head = 0;
2996 3230
2997 while (w_) 3231 while (w_)
… …
3002 w->wd = -1; 3236 w->wd = -1;
3003 3237
3004 if (fs_fd >= 0) 3238 if (fs_fd >= 0)
3005 infy_add (EV_A_ w); /* re-add, no matter what */ 3239 infy_add (EV_A_ w); /* re-add, no matter what */
3006 else 3240 else
3241 {
3242 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3243 if (ev_is_active (&w->timer)) ev_ref (EV_A);
3007 ev_timer_again (EV_A_ &w->timer); 3244 ev_timer_again (EV_A_ &w->timer);
3245 if (ev_is_active (&w->timer)) ev_unref (EV_A);
3246 }
3008 } 3247 }
3009 } 3248 }
3010} 3249}
3011 3250
3012#endif 3251#endif
… …
3029static void noinline 3268static void noinline
3030stat_timer_cb (EV_P_ ev_timer *w_, int revents) 3269stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3031{ 3270{
3032 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 3271 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3033 3272
3034 /* we copy this here each the time so that */ 3273 ev_statdata prev = w->attr;
3035 /* prev has the old value when the callback gets invoked */
3036 w->prev = w->attr;
3037 ev_stat_stat (EV_A_ w); 3274 ev_stat_stat (EV_A_ w);
3038 3275
3039 /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ 3276 /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3040 if ( 3277 if (
3041 w->prev.st_dev != w->attr.st_dev 3278 prev.st_dev != w->attr.st_dev
3042 || w->prev.st_ino != w->attr.st_ino 3279 || prev.st_ino != w->attr.st_ino
3043 || w->prev.st_mode != w->attr.st_mode 3280 || prev.st_mode != w->attr.st_mode
3044 || w->prev.st_nlink != w->attr.st_nlink 3281 || prev.st_nlink != w->attr.st_nlink
3045 || w->prev.st_uid != w->attr.st_uid 3282 || prev.st_uid != w->attr.st_uid
3046 || w->prev.st_gid != w->attr.st_gid 3283 || prev.st_gid != w->attr.st_gid
3047 || w->prev.st_rdev != w->attr.st_rdev 3284 || prev.st_rdev != w->attr.st_rdev
3048 || w->prev.st_size != w->attr.st_size 3285 || prev.st_size != w->attr.st_size
3049 || w->prev.st_atime != w->attr.st_atime 3286 || prev.st_atime != w->attr.st_atime
3050 || w->prev.st_mtime != w->attr.st_mtime 3287 || prev.st_mtime != w->attr.st_mtime
3051 || w->prev.st_ctime != w->attr.st_ctime 3288 || prev.st_ctime != w->attr.st_ctime
3052 ) { 3289 ) {
3290 /* we only update w->prev on actual differences */
3291 /* in case we test more often than invoke the callback, */
3292 /* to ensure that prev is always different to attr */
3293 w->prev = prev;
3294
3053 #if EV_USE_INOTIFY 3295 #if EV_USE_INOTIFY
3054 if (fs_fd >= 0) 3296 if (fs_fd >= 0)
3055 { 3297 {
3056 infy_del (EV_A_ w); 3298 infy_del (EV_A_ w);
3057 infy_add (EV_A_ w); 3299 infy_add (EV_A_ w);
… …
3082 3324
3083 if (fs_fd >= 0) 3325 if (fs_fd >= 0)
3084 infy_add (EV_A_ w); 3326 infy_add (EV_A_ w);
3085 else 3327 else
3086#endif 3328#endif
3329 {
3087 ev_timer_again (EV_A_ &w->timer); 3330 ev_timer_again (EV_A_ &w->timer);
3331 ev_unref (EV_A);
3332 }
3088 3333
3089 ev_start (EV_A_ (W)w, 1); 3334 ev_start (EV_A_ (W)w, 1);
3090 3335
3091 EV_FREQUENT_CHECK; 3336 EV_FREQUENT_CHECK;
3092} 3337}
… …
3101 EV_FREQUENT_CHECK; 3346 EV_FREQUENT_CHECK;
3102 3347
3103#if EV_USE_INOTIFY 3348#if EV_USE_INOTIFY
3104 infy_del (EV_A_ w); 3349 infy_del (EV_A_ w);
3105#endif 3350#endif
3351
3352 if (ev_is_active (&w->timer))
3353 {
3354 ev_ref (EV_A);
3106 ev_timer_stop (EV_A_ &w->timer); 3355 ev_timer_stop (EV_A_ &w->timer);
3356 }
3107 3357
3108 ev_stop (EV_A_ (W)w); 3358 ev_stop (EV_A_ (W)w);
3109 3359
3110 EV_FREQUENT_CHECK; 3360 EV_FREQUENT_CHECK;
3111} 3361}
… …
3156 3406
3157 EV_FREQUENT_CHECK; 3407 EV_FREQUENT_CHECK;
3158} 3408}
3159#endif 3409#endif
3160 3410
3411#if EV_PREPARE_ENABLE
3161void 3412void
3162ev_prepare_start (EV_P_ ev_prepare *w) 3413ev_prepare_start (EV_P_ ev_prepare *w)
3163{ 3414{
3164 if (expect_false (ev_is_active (w))) 3415 if (expect_false (ev_is_active (w)))
3165 return; 3416 return;
… …
3191 3442
3192 ev_stop (EV_A_ (W)w); 3443 ev_stop (EV_A_ (W)w);
3193 3444
3194 EV_FREQUENT_CHECK; 3445 EV_FREQUENT_CHECK;
3195} 3446}
3447#endif
3196 3448
3449#if EV_CHECK_ENABLE
3197void 3450void
3198ev_check_start (EV_P_ ev_check *w) 3451ev_check_start (EV_P_ ev_check *w)
3199{ 3452{
3200 if (expect_false (ev_is_active (w))) 3453 if (expect_false (ev_is_active (w)))
3201 return; 3454 return;
… …
3227 3480
3228 ev_stop (EV_A_ (W)w); 3481 ev_stop (EV_A_ (W)w);
3229 3482
3230 EV_FREQUENT_CHECK; 3483 EV_FREQUENT_CHECK;
3231} 3484}
3485#endif
3232 3486
3233#if EV_EMBED_ENABLE 3487#if EV_EMBED_ENABLE
3234void noinline 3488void noinline
3235ev_embed_sweep (EV_P_ ev_embed *w) 3489ev_embed_sweep (EV_P_ ev_embed *w)
3236{ 3490{
3237 ev_loop (w->other, EVLOOP_NONBLOCK); 3491 ev_run (w->other, EVRUN_NOWAIT);
3238} 3492}
3239 3493
3240static void 3494static void
3241embed_io_cb (EV_P_ ev_io *io, int revents) 3495embed_io_cb (EV_P_ ev_io *io, int revents)
3242{ 3496{
3243 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3497 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3244 3498
3245 if (ev_cb (w)) 3499 if (ev_cb (w))
3246 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3500 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3247 else 3501 else
3248 ev_loop (w->other, EVLOOP_NONBLOCK); 3502 ev_run (w->other, EVRUN_NOWAIT);
3249} 3503}
3250 3504
3251static void 3505static void
3252embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3506embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3253{ 3507{
… …
3257 EV_P = w->other; 3511 EV_P = w->other;
3258 3512
3259 while (fdchangecnt) 3513 while (fdchangecnt)
3260 { 3514 {
3261 fd_reify (EV_A); 3515 fd_reify (EV_A);
3262 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3516 ev_run (EV_A_ EVRUN_NOWAIT);
3263 } 3517 }
3264 } 3518 }
3265} 3519}
3266 3520
3267static void 3521static void
… …
3273 3527
3274 { 3528 {
3275 EV_P = w->other; 3529 EV_P = w->other;
3276 3530
3277 ev_loop_fork (EV_A); 3531 ev_loop_fork (EV_A);
3278 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3532 ev_run (EV_A_ EVRUN_NOWAIT);
3279 } 3533 }
3280 3534
3281 ev_embed_start (EV_A_ w); 3535 ev_embed_start (EV_A_ w);
3282} 3536}
3283 3537
… …
3331 3585
3332 ev_io_stop (EV_A_ &w->io); 3586 ev_io_stop (EV_A_ &w->io);
3333 ev_prepare_stop (EV_A_ &w->prepare); 3587 ev_prepare_stop (EV_A_ &w->prepare);
3334 ev_fork_stop (EV_A_ &w->fork); 3588 ev_fork_stop (EV_A_ &w->fork);
3335 3589
3590 ev_stop (EV_A_ (W)w);
3591
3336 EV_FREQUENT_CHECK; 3592 EV_FREQUENT_CHECK;
3337} 3593}
3338#endif 3594#endif
3339 3595
3340#if EV_FORK_ENABLE 3596#if EV_FORK_ENABLE
… …
3373 3629
3374 EV_FREQUENT_CHECK; 3630 EV_FREQUENT_CHECK;
3375} 3631}
3376#endif 3632#endif
3377 3633
3378#if EV_ASYNC_ENABLE 3634#if EV_CLEANUP_ENABLE
3379void 3635void
3380ev_async_start (EV_P_ ev_async *w) 3636ev_cleanup_start (EV_P_ ev_cleanup *w)
3381{ 3637{
3382 if (expect_false (ev_is_active (w))) 3638 if (expect_false (ev_is_active (w)))
3383 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;
3384 3683
3385 evpipe_init (EV_A); 3684 evpipe_init (EV_A);
3386 3685
3387 EV_FREQUENT_CHECK; 3686 EV_FREQUENT_CHECK;
3388 3687
… …
3416 3715
3417void 3716void
3418ev_async_send (EV_P_ ev_async *w) 3717ev_async_send (EV_P_ ev_async *w)
3419{ 3718{
3420 w->sent = 1; 3719 w->sent = 1;
3421 evpipe_write (EV_A_ &gotasync); 3720 evpipe_write (EV_A_ &async_pending);
3422} 3721}
3423#endif 3722#endif
3424 3723
3425/*****************************************************************************/ 3724/*****************************************************************************/
3426 3725
… …
3466{ 3765{
3467 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));
3468 3767
3469 if (expect_false (!once)) 3768 if (expect_false (!once))
3470 { 3769 {
3471 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3770 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3472 return; 3771 return;
3473 } 3772 }
3474 3773
3475 once->cb = cb; 3774 once->cb = cb;
3476 once->arg = arg; 3775 once->arg = arg;
… …
3563 if (types & EV_ASYNC) 3862 if (types & EV_ASYNC)
3564 for (i = asynccnt; i--; ) 3863 for (i = asynccnt; i--; )
3565 cb (EV_A_ EV_ASYNC, asyncs [i]); 3864 cb (EV_A_ EV_ASYNC, asyncs [i]);
3566#endif 3865#endif
3567 3866
3867#if EV_PREPARE_ENABLE
3568 if (types & EV_PREPARE) 3868 if (types & EV_PREPARE)
3569 for (i = preparecnt; i--; ) 3869 for (i = preparecnt; i--; )
3570#if EV_EMBED_ENABLE 3870# if EV_EMBED_ENABLE
3571 if (ev_cb (prepares [i]) != embed_prepare_cb) 3871 if (ev_cb (prepares [i]) != embed_prepare_cb)
3572#endif 3872# endif
3573 cb (EV_A_ EV_PREPARE, prepares [i]); 3873 cb (EV_A_ EV_PREPARE, prepares [i]);
3874#endif
3574 3875
3876#if EV_CHECK_ENABLE
3575 if (types & EV_CHECK) 3877 if (types & EV_CHECK)
3576 for (i = checkcnt; i--; ) 3878 for (i = checkcnt; i--; )
3577 cb (EV_A_ EV_CHECK, checks [i]); 3879 cb (EV_A_ EV_CHECK, checks [i]);
3880#endif
3578 3881
3882#if EV_SIGNAL_ENABLE
3579 if (types & EV_SIGNAL) 3883 if (types & EV_SIGNAL)
3580 for (i = 0; i < EV_NSIG - 1; ++i) 3884 for (i = 0; i < EV_NSIG - 1; ++i)
3581 for (wl = signals [i].head; wl; ) 3885 for (wl = signals [i].head; wl; )
3582 { 3886 {
3583 wn = wl->next; 3887 wn = wl->next;
3584 cb (EV_A_ EV_SIGNAL, wl); 3888 cb (EV_A_ EV_SIGNAL, wl);
3585 wl = wn; 3889 wl = wn;
3586 } 3890 }
3891#endif
3587 3892
3893#if EV_CHILD_ENABLE
3588 if (types & EV_CHILD) 3894 if (types & EV_CHILD)
3589 for (i = EV_PID_HASHSIZE; i--; ) 3895 for (i = (EV_PID_HASHSIZE); i--; )
3590 for (wl = childs [i]; wl; ) 3896 for (wl = childs [i]; wl; )
3591 { 3897 {
3592 wn = wl->next; 3898 wn = wl->next;
3593 cb (EV_A_ EV_CHILD, wl); 3899 cb (EV_A_ EV_CHILD, wl);
3594 wl = wn; 3900 wl = wn;
3595 } 3901 }
3902#endif
3596/* EV_STAT 0x00001000 /* stat data changed */ 3903/* EV_STAT 0x00001000 /* stat data changed */
3597/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 3904/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3598} 3905}
3599#endif 3906#endif
3600 3907
3601#if EV_MULTIPLICITY 3908#if EV_MULTIPLICITY
3602 #include "ev_wrap.h" 3909 #include "ev_wrap.h"
3603#endif 3910#endif
3604 3911
3605#ifdef __cplusplus 3912EV_CPP(})
3606}
3607#endif
3608 3913

Diff Legend

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