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Comparing libev/ev.c (file contents):
Revision 1.303 by root, Sun Jul 19 01:36:34 2009 UTC vs.
Revision 1.369 by root, Sun Jan 23 18:53:06 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 */
208
209/* try to deduce the maximum number of signals on this platform */
210#if defined (EV_NSIG)
211/* use what's provided */
212#elif defined (NSIG)
213# define EV_NSIG (NSIG)
214#elif defined(_NSIG)
215# define EV_NSIG (_NSIG)
216#elif defined (SIGMAX)
217# define EV_NSIG (SIGMAX+1)
218#elif defined (SIG_MAX)
219# define EV_NSIG (SIG_MAX+1)
220#elif defined (_SIG_MAX)
221# define EV_NSIG (_SIG_MAX+1)
222#elif defined (MAXSIG)
223# define EV_NSIG (MAXSIG+1)
224#elif defined (MAX_SIG)
225# define EV_NSIG (MAX_SIG+1)
226#elif defined (SIGARRAYSIZE)
227# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
228#elif defined (_sys_nsig)
229# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
230#else
231# error "unable to find value for NSIG, please report"
232/* to make it compile regardless, just remove the above line, */
233/* but consider reporting it, too! :) */
234# define EV_NSIG 65
235#endif
190 236
191#ifndef EV_USE_CLOCK_SYSCALL 237#ifndef EV_USE_CLOCK_SYSCALL
192# if __linux && __GLIBC__ >= 2 238# if __linux && __GLIBC__ >= 2
193# define EV_USE_CLOCK_SYSCALL 1 239# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
194# else 240# else
195# define EV_USE_CLOCK_SYSCALL 0 241# define EV_USE_CLOCK_SYSCALL 0
196# endif 242# endif
197#endif 243#endif
198 244
199#ifndef EV_USE_MONOTONIC 245#ifndef EV_USE_MONOTONIC
200# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 246# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
201# define EV_USE_MONOTONIC 1 247# define EV_USE_MONOTONIC EV_FEATURE_OS
202# else 248# else
203# define EV_USE_MONOTONIC 0 249# define EV_USE_MONOTONIC 0
204# endif 250# endif
205#endif 251#endif
206 252
… …
208# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 254# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
209#endif 255#endif
210 256
211#ifndef EV_USE_NANOSLEEP 257#ifndef EV_USE_NANOSLEEP
212# if _POSIX_C_SOURCE >= 199309L 258# if _POSIX_C_SOURCE >= 199309L
213# define EV_USE_NANOSLEEP 1 259# define EV_USE_NANOSLEEP EV_FEATURE_OS
214# else 260# else
215# define EV_USE_NANOSLEEP 0 261# define EV_USE_NANOSLEEP 0
216# endif 262# endif
217#endif 263#endif
218 264
219#ifndef EV_USE_SELECT 265#ifndef EV_USE_SELECT
220# define EV_USE_SELECT 1 266# define EV_USE_SELECT EV_FEATURE_BACKENDS
221#endif 267#endif
222 268
223#ifndef EV_USE_POLL 269#ifndef EV_USE_POLL
224# ifdef _WIN32 270# ifdef _WIN32
225# define EV_USE_POLL 0 271# define EV_USE_POLL 0
226# else 272# else
227# define EV_USE_POLL 1 273# define EV_USE_POLL EV_FEATURE_BACKENDS
228# endif 274# endif
229#endif 275#endif
230 276
231#ifndef EV_USE_EPOLL 277#ifndef EV_USE_EPOLL
232# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 278# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
233# define EV_USE_EPOLL 1 279# define EV_USE_EPOLL EV_FEATURE_BACKENDS
234# else 280# else
235# define EV_USE_EPOLL 0 281# define EV_USE_EPOLL 0
236# endif 282# endif
237#endif 283#endif
238 284
… …
244# define EV_USE_PORT 0 290# define EV_USE_PORT 0
245#endif 291#endif
246 292
247#ifndef EV_USE_INOTIFY 293#ifndef EV_USE_INOTIFY
248# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 294# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
249# define EV_USE_INOTIFY 1 295# define EV_USE_INOTIFY EV_FEATURE_OS
250# else 296# else
251# define EV_USE_INOTIFY 0 297# define EV_USE_INOTIFY 0
252# endif 298# endif
253#endif 299#endif
254 300
255#ifndef EV_PID_HASHSIZE 301#ifndef EV_PID_HASHSIZE
256# if EV_MINIMAL 302# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
257# define EV_PID_HASHSIZE 1
258# else
259# define EV_PID_HASHSIZE 16
260# endif
261#endif 303#endif
262 304
263#ifndef EV_INOTIFY_HASHSIZE 305#ifndef EV_INOTIFY_HASHSIZE
264# if EV_MINIMAL 306# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
265# define EV_INOTIFY_HASHSIZE 1
266# else
267# define EV_INOTIFY_HASHSIZE 16
268# endif
269#endif 307#endif
270 308
271#ifndef EV_USE_EVENTFD 309#ifndef EV_USE_EVENTFD
272# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 310# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
273# define EV_USE_EVENTFD 1 311# define EV_USE_EVENTFD EV_FEATURE_OS
274# else 312# else
275# define EV_USE_EVENTFD 0 313# define EV_USE_EVENTFD 0
276# endif 314# endif
277#endif 315#endif
278 316
279#ifndef EV_USE_SIGNALFD 317#ifndef EV_USE_SIGNALFD
280# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) 318# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
281# define EV_USE_SIGNALFD 1 319# define EV_USE_SIGNALFD EV_FEATURE_OS
282# else 320# else
283# define EV_USE_SIGNALFD 0 321# define EV_USE_SIGNALFD 0
284# endif 322# endif
285#endif 323#endif
286 324
… …
289# define EV_USE_4HEAP 1 327# define EV_USE_4HEAP 1
290# define EV_HEAP_CACHE_AT 1 328# define EV_HEAP_CACHE_AT 1
291#endif 329#endif
292 330
293#ifndef EV_VERIFY 331#ifndef EV_VERIFY
294# define EV_VERIFY !EV_MINIMAL 332# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
295#endif 333#endif
296 334
297#ifndef EV_USE_4HEAP 335#ifndef EV_USE_4HEAP
298# define EV_USE_4HEAP !EV_MINIMAL 336# define EV_USE_4HEAP EV_FEATURE_DATA
299#endif 337#endif
300 338
301#ifndef EV_HEAP_CACHE_AT 339#ifndef EV_HEAP_CACHE_AT
302# define EV_HEAP_CACHE_AT !EV_MINIMAL 340# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
303#endif 341#endif
304 342
305/* 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, */
306/* which makes programs even slower. might work on other unices, too. */ 344/* which makes programs even slower. might work on other unices, too. */
307#if EV_USE_CLOCK_SYSCALL 345#if EV_USE_CLOCK_SYSCALL
… …
316# endif 354# endif
317#endif 355#endif
318 356
319/* 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 */
320 358
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
321#ifndef CLOCK_MONOTONIC 365#ifndef CLOCK_MONOTONIC
322# undef EV_USE_MONOTONIC 366# undef EV_USE_MONOTONIC
323# define EV_USE_MONOTONIC 0 367# define EV_USE_MONOTONIC 0
324#endif 368#endif
325 369
… …
338# include <sys/select.h> 382# include <sys/select.h>
339# endif 383# endif
340#endif 384#endif
341 385
342#if EV_USE_INOTIFY 386#if EV_USE_INOTIFY
343# include <sys/utsname.h>
344# include <sys/statfs.h> 387# include <sys/statfs.h>
345# include <sys/inotify.h> 388# include <sys/inotify.h>
346/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 389/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
347# ifndef IN_DONT_FOLLOW 390# ifndef IN_DONT_FOLLOW
348# undef EV_USE_INOTIFY 391# undef EV_USE_INOTIFY
… …
359# include <stdint.h> 402# include <stdint.h>
360# ifndef EFD_NONBLOCK 403# ifndef EFD_NONBLOCK
361# define EFD_NONBLOCK O_NONBLOCK 404# define EFD_NONBLOCK O_NONBLOCK
362# endif 405# endif
363# ifndef EFD_CLOEXEC 406# ifndef EFD_CLOEXEC
407# ifdef O_CLOEXEC
364# define EFD_CLOEXEC O_CLOEXEC 408# define EFD_CLOEXEC O_CLOEXEC
409# else
410# define EFD_CLOEXEC 02000000
411# endif
365# endif 412# endif
366# ifdef __cplusplus 413EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
367extern "C" { 414#endif
415
416#if EV_USE_SIGNALFD
417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
418# include <stdint.h>
419# ifndef SFD_NONBLOCK
420# define SFD_NONBLOCK O_NONBLOCK
368# endif 421# endif
369int eventfd (unsigned int initval, int flags); 422# ifndef SFD_CLOEXEC
370# ifdef __cplusplus 423# ifdef O_CLOEXEC
371} 424# define SFD_CLOEXEC O_CLOEXEC
425# else
426# define SFD_CLOEXEC 02000000
427# endif
372# endif 428# endif
373#endif 429EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
374 430
375#if EV_USE_SIGNALFD 431struct signalfd_siginfo
376# include <sys/signalfd.h> 432{
433 uint32_t ssi_signo;
434 char pad[128 - sizeof (uint32_t)];
435};
377#endif 436#endif
378 437
379/**/ 438/**/
380 439
381#if EV_VERIFY >= 3 440#if EV_VERIFY >= 3
382# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 441# define EV_FREQUENT_CHECK ev_verify (EV_A)
383#else 442#else
384# define EV_FREQUENT_CHECK do { } while (0) 443# define EV_FREQUENT_CHECK do { } while (0)
385#endif 444#endif
386 445
387/* 446/*
… …
394 */ 453 */
395#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 454#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
396 455
397#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 456#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
398#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 457#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
399/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ 458
459#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
460#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
400 461
401#if __GNUC__ >= 4 462#if __GNUC__ >= 4
402# define expect(expr,value) __builtin_expect ((expr),(value)) 463# define expect(expr,value) __builtin_expect ((expr),(value))
403# define noinline __attribute__ ((noinline)) 464# define noinline __attribute__ ((noinline))
404#else 465#else
… …
411 472
412#define expect_false(expr) expect ((expr) != 0, 0) 473#define expect_false(expr) expect ((expr) != 0, 0)
413#define expect_true(expr) expect ((expr) != 0, 1) 474#define expect_true(expr) expect ((expr) != 0, 1)
414#define inline_size static inline 475#define inline_size static inline
415 476
416#if EV_MINIMAL 477#if EV_FEATURE_CODE
478# define inline_speed static inline
479#else
417# define inline_speed static noinline 480# define inline_speed static noinline
418#else
419# define inline_speed static inline
420#endif 481#endif
421 482
422#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 483#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
423 484
424#if EV_MINPRI == EV_MAXPRI 485#if EV_MINPRI == EV_MAXPRI
… …
437#define ev_active(w) ((W)(w))->active 498#define ev_active(w) ((W)(w))->active
438#define ev_at(w) ((WT)(w))->at 499#define ev_at(w) ((WT)(w))->at
439 500
440#if EV_USE_REALTIME 501#if EV_USE_REALTIME
441/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 502/* sig_atomic_t is used to avoid per-thread variables or locking but still */
442/* giving it a reasonably high chance of working on typical architetcures */ 503/* giving it a reasonably high chance of working on typical architectures */
443static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 504static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
444#endif 505#endif
445 506
446#if EV_USE_MONOTONIC 507#if EV_USE_MONOTONIC
447static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 508static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
448#endif 509#endif
449 510
511#ifndef EV_FD_TO_WIN32_HANDLE
512# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
513#endif
514#ifndef EV_WIN32_HANDLE_TO_FD
515# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
516#endif
517#ifndef EV_WIN32_CLOSE_FD
518# define EV_WIN32_CLOSE_FD(fd) close (fd)
519#endif
520
450#ifdef _WIN32 521#ifdef _WIN32
451# include "ev_win32.c" 522# include "ev_win32.c"
452#endif 523#endif
453 524
454/*****************************************************************************/ 525/*****************************************************************************/
526
527#ifdef __linux
528# include <sys/utsname.h>
529#endif
530
531static unsigned int noinline
532ev_linux_version (void)
533{
534#ifdef __linux
535 unsigned int v = 0;
536 struct utsname buf;
537 int i;
538 char *p = buf.release;
539
540 if (uname (&buf))
541 return 0;
542
543 for (i = 3+1; --i; )
544 {
545 unsigned int c = 0;
546
547 for (;;)
548 {
549 if (*p >= '0' && *p <= '9')
550 c = c * 10 + *p++ - '0';
551 else
552 {
553 p += *p == '.';
554 break;
555 }
556 }
557
558 v = (v << 8) | c;
559 }
560
561 return v;
562#else
563 return 0;
564#endif
565}
566
567/*****************************************************************************/
568
569#if EV_AVOID_STDIO
570static void noinline
571ev_printerr (const char *msg)
572{
573 write (STDERR_FILENO, msg, strlen (msg));
574}
575#endif
455 576
456static void (*syserr_cb)(const char *msg); 577static void (*syserr_cb)(const char *msg);
457 578
458void 579void
459ev_set_syserr_cb (void (*cb)(const char *msg)) 580ev_set_syserr_cb (void (*cb)(const char *msg))
… …
469 590
470 if (syserr_cb) 591 if (syserr_cb)
471 syserr_cb (msg); 592 syserr_cb (msg);
472 else 593 else
473 { 594 {
595#if EV_AVOID_STDIO
596 ev_printerr (msg);
597 ev_printerr (": ");
598 ev_printerr (strerror (errno));
599 ev_printerr ("\n");
600#else
474 perror (msg); 601 perror (msg);
602#endif
475 abort (); 603 abort ();
476 } 604 }
477} 605}
478 606
479static void * 607static void *
480ev_realloc_emul (void *ptr, long size) 608ev_realloc_emul (void *ptr, long size)
481{ 609{
610#if __GLIBC__
611 return realloc (ptr, size);
612#else
482 /* some systems, notably openbsd and darwin, fail to properly 613 /* some systems, notably openbsd and darwin, fail to properly
483 * implement realloc (x, 0) (as required by both ansi c-98 and 614 * implement realloc (x, 0) (as required by both ansi c-89 and
484 * the single unix specification, so work around them here. 615 * the single unix specification, so work around them here.
485 */ 616 */
486 617
487 if (size) 618 if (size)
488 return realloc (ptr, size); 619 return realloc (ptr, size);
489 620
490 free (ptr); 621 free (ptr);
491 return 0; 622 return 0;
623#endif
492} 624}
493 625
494static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 626static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
495 627
496void 628void
… …
504{ 636{
505 ptr = alloc (ptr, size); 637 ptr = alloc (ptr, size);
506 638
507 if (!ptr && size) 639 if (!ptr && size)
508 { 640 {
641#if EV_AVOID_STDIO
642 ev_printerr ("(libev) memory allocation failed, aborting.\n");
643#else
509 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 644 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
645#endif
510 abort (); 646 abort ();
511 } 647 }
512 648
513 return ptr; 649 return ptr;
514} 650}
… …
530 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 666 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
531 unsigned char unused; 667 unsigned char unused;
532#if EV_USE_EPOLL 668#if EV_USE_EPOLL
533 unsigned int egen; /* generation counter to counter epoll bugs */ 669 unsigned int egen; /* generation counter to counter epoll bugs */
534#endif 670#endif
535#if EV_SELECT_IS_WINSOCKET 671#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
536 SOCKET handle; 672 SOCKET handle;
673#endif
674#if EV_USE_IOCP
675 OVERLAPPED or, ow;
537#endif 676#endif
538} ANFD; 677} ANFD;
539 678
540/* stores the pending event set for a given watcher */ 679/* stores the pending event set for a given watcher */
541typedef struct 680typedef struct
… …
596 735
597 static int ev_default_loop_ptr; 736 static int ev_default_loop_ptr;
598 737
599#endif 738#endif
600 739
601#if EV_MINIMAL < 2 740#if EV_FEATURE_API
602# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 741# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
603# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 742# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
604# define EV_INVOKE_PENDING invoke_cb (EV_A) 743# define EV_INVOKE_PENDING invoke_cb (EV_A)
605#else 744#else
606# define EV_RELEASE_CB (void)0 745# define EV_RELEASE_CB (void)0
607# define EV_ACQUIRE_CB (void)0 746# define EV_ACQUIRE_CB (void)0
608# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 747# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
609#endif 748#endif
610 749
611#define EVUNLOOP_RECURSE 0x80 750#define EVBREAK_RECURSE 0x80
612 751
613/*****************************************************************************/ 752/*****************************************************************************/
614 753
615#ifndef EV_HAVE_EV_TIME 754#ifndef EV_HAVE_EV_TIME
616ev_tstamp 755ev_tstamp
… …
660 if (delay > 0.) 799 if (delay > 0.)
661 { 800 {
662#if EV_USE_NANOSLEEP 801#if EV_USE_NANOSLEEP
663 struct timespec ts; 802 struct timespec ts;
664 803
665 ts.tv_sec = (time_t)delay; 804 EV_TS_SET (ts, delay);
666 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
667
668 nanosleep (&ts, 0); 805 nanosleep (&ts, 0);
669#elif defined(_WIN32) 806#elif defined(_WIN32)
670 Sleep ((unsigned long)(delay * 1e3)); 807 Sleep ((unsigned long)(delay * 1e3));
671#else 808#else
672 struct timeval tv; 809 struct timeval tv;
673 810
674 tv.tv_sec = (time_t)delay;
675 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
676
677 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 811 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
678 /* something not guaranteed by newer posix versions, but guaranteed */ 812 /* something not guaranteed by newer posix versions, but guaranteed */
679 /* by older ones */ 813 /* by older ones */
814 EV_TV_SET (tv, delay);
680 select (0, 0, 0, 0, &tv); 815 select (0, 0, 0, 0, &tv);
681#endif 816#endif
682 } 817 }
683} 818}
684 819
820inline_speed int
821ev_timeout_to_ms (ev_tstamp timeout)
822{
823 int ms = timeout * 1000. + .999999;
824
825 return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
826}
827
685/*****************************************************************************/ 828/*****************************************************************************/
686 829
687#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 830#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
688 831
689/* find a suitable new size for the given array, */ 832/* find a suitable new size for the given array, */
690/* hopefully by rounding to a ncie-to-malloc size */ 833/* hopefully by rounding to a nice-to-malloc size */
691inline_size int 834inline_size int
692array_nextsize (int elem, int cur, int cnt) 835array_nextsize (int elem, int cur, int cnt)
693{ 836{
694 int ncur = cur + 1; 837 int ncur = cur + 1;
695 838
… …
791} 934}
792 935
793/*****************************************************************************/ 936/*****************************************************************************/
794 937
795inline_speed void 938inline_speed void
796fd_event_nc (EV_P_ int fd, int revents) 939fd_event_nocheck (EV_P_ int fd, int revents)
797{ 940{
798 ANFD *anfd = anfds + fd; 941 ANFD *anfd = anfds + fd;
799 ev_io *w; 942 ev_io *w;
800 943
801 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 944 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
… …
813fd_event (EV_P_ int fd, int revents) 956fd_event (EV_P_ int fd, int revents)
814{ 957{
815 ANFD *anfd = anfds + fd; 958 ANFD *anfd = anfds + fd;
816 959
817 if (expect_true (!anfd->reify)) 960 if (expect_true (!anfd->reify))
818 fd_event_nc (EV_A_ fd, revents); 961 fd_event_nocheck (EV_A_ fd, revents);
819} 962}
820 963
821void 964void
822ev_feed_fd_event (EV_P_ int fd, int revents) 965ev_feed_fd_event (EV_P_ int fd, int revents)
823{ 966{
824 if (fd >= 0 && fd < anfdmax) 967 if (fd >= 0 && fd < anfdmax)
825 fd_event_nc (EV_A_ fd, revents); 968 fd_event_nocheck (EV_A_ fd, revents);
826} 969}
827 970
828/* make sure the external fd watch events are in-sync */ 971/* make sure the external fd watch events are in-sync */
829/* with the kernel/libev internal state */ 972/* with the kernel/libev internal state */
830inline_size void 973inline_size void
… …
836 { 979 {
837 int fd = fdchanges [i]; 980 int fd = fdchanges [i];
838 ANFD *anfd = anfds + fd; 981 ANFD *anfd = anfds + fd;
839 ev_io *w; 982 ev_io *w;
840 983
841 unsigned char events = 0; 984 unsigned char o_events = anfd->events;
985 unsigned char o_reify = anfd->reify;
842 986
843 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 987 anfd->reify = 0;
844 events |= (unsigned char)w->events;
845 988
846#if EV_SELECT_IS_WINSOCKET 989#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
847 if (events) 990 if (o_reify & EV__IOFDSET)
848 { 991 {
849 unsigned long arg; 992 unsigned long arg;
850 #ifdef EV_FD_TO_WIN32_HANDLE
851 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 993 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
852 #else
853 anfd->handle = _get_osfhandle (fd);
854 #endif
855 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 994 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
995 printf ("oi %d %x\n", fd, anfd->handle);//D
856 } 996 }
857#endif 997#endif
858 998
999 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
859 { 1000 {
860 unsigned char o_events = anfd->events;
861 unsigned char o_reify = anfd->reify;
862
863 anfd->reify = 0;
864 anfd->events = events; 1001 anfd->events = 0;
865 1002
866 if (o_events != events || o_reify & EV__IOFDSET) 1003 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1004 anfd->events |= (unsigned char)w->events;
1005
1006 if (o_events != anfd->events)
1007 o_reify = EV__IOFDSET; /* actually |= */
1008 }
1009
1010 if (o_reify & EV__IOFDSET)
867 backend_modify (EV_A_ fd, o_events, events); 1011 backend_modify (EV_A_ fd, o_events, anfd->events);
868 }
869 } 1012 }
870 1013
871 fdchangecnt = 0; 1014 fdchangecnt = 0;
872} 1015}
873 1016
… …
897 ev_io_stop (EV_A_ w); 1040 ev_io_stop (EV_A_ w);
898 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1041 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
899 } 1042 }
900} 1043}
901 1044
902/* check whether the given fd is atcually valid, for error recovery */ 1045/* check whether the given fd is actually valid, for error recovery */
903inline_size int 1046inline_size int
904fd_valid (int fd) 1047fd_valid (int fd)
905{ 1048{
906#ifdef _WIN32 1049#ifdef _WIN32
907 return _get_osfhandle (fd) != -1; 1050 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
908#else 1051#else
909 return fcntl (fd, F_GETFD) != -1; 1052 return fcntl (fd, F_GETFD) != -1;
910#endif 1053#endif
911} 1054}
912 1055
… …
930 1073
931 for (fd = anfdmax; fd--; ) 1074 for (fd = anfdmax; fd--; )
932 if (anfds [fd].events) 1075 if (anfds [fd].events)
933 { 1076 {
934 fd_kill (EV_A_ fd); 1077 fd_kill (EV_A_ fd);
935 return; 1078 break;
936 } 1079 }
937} 1080}
938 1081
939/* usually called after fork if backend needs to re-arm all fds from scratch */ 1082/* usually called after fork if backend needs to re-arm all fds from scratch */
940static void noinline 1083static void noinline
… …
949 anfds [fd].emask = 0; 1092 anfds [fd].emask = 0;
950 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1093 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
951 } 1094 }
952} 1095}
953 1096
1097/* used to prepare libev internal fd's */
1098/* this is not fork-safe */
1099inline_speed void
1100fd_intern (int fd)
1101{
1102#ifdef _WIN32
1103 unsigned long arg = 1;
1104 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1105#else
1106 fcntl (fd, F_SETFD, FD_CLOEXEC);
1107 fcntl (fd, F_SETFL, O_NONBLOCK);
1108#endif
1109}
1110
954/*****************************************************************************/ 1111/*****************************************************************************/
955 1112
956/* 1113/*
957 * the heap functions want a real array index. array index 0 uis guaranteed to not 1114 * the heap functions want a real array index. array index 0 is guaranteed to not
958 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives 1115 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
959 * the branching factor of the d-tree. 1116 * the branching factor of the d-tree.
960 */ 1117 */
961 1118
962/* 1119/*
… …
1030 1187
1031 for (;;) 1188 for (;;)
1032 { 1189 {
1033 int c = k << 1; 1190 int c = k << 1;
1034 1191
1035 if (c > N + HEAP0 - 1) 1192 if (c >= N + HEAP0)
1036 break; 1193 break;
1037 1194
1038 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) 1195 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
1039 ? 1 : 0; 1196 ? 1 : 0;
1040 1197
… …
1076 1233
1077/* move an element suitably so it is in a correct place */ 1234/* move an element suitably so it is in a correct place */
1078inline_size void 1235inline_size void
1079adjustheap (ANHE *heap, int N, int k) 1236adjustheap (ANHE *heap, int N, int k)
1080{ 1237{
1081 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) 1238 if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
1082 upheap (heap, k); 1239 upheap (heap, k);
1083 else 1240 else
1084 downheap (heap, N, k); 1241 downheap (heap, N, k);
1085} 1242}
1086 1243
… …
1099/*****************************************************************************/ 1256/*****************************************************************************/
1100 1257
1101/* associate signal watchers to a signal signal */ 1258/* associate signal watchers to a signal signal */
1102typedef struct 1259typedef struct
1103{ 1260{
1261 EV_ATOMIC_T pending;
1262#if EV_MULTIPLICITY
1263 EV_P;
1264#endif
1104 WL head; 1265 WL head;
1105 EV_ATOMIC_T gotsig;
1106} ANSIG; 1266} ANSIG;
1107 1267
1108static ANSIG *signals; 1268static ANSIG signals [EV_NSIG - 1];
1109static int signalmax;
1110
1111static EV_ATOMIC_T gotsig;
1112 1269
1113/*****************************************************************************/ 1270/*****************************************************************************/
1114 1271
1115/* used to prepare libev internal fd's */ 1272#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1116/* this is not fork-safe */
1117inline_speed void
1118fd_intern (int fd)
1119{
1120#ifdef _WIN32
1121 unsigned long arg = 1;
1122 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1123#else
1124 fcntl (fd, F_SETFD, FD_CLOEXEC);
1125 fcntl (fd, F_SETFL, O_NONBLOCK);
1126#endif
1127}
1128 1273
1129static void noinline 1274static void noinline
1130evpipe_init (EV_P) 1275evpipe_init (EV_P)
1131{ 1276{
1132 if (!ev_is_active (&pipe_w)) 1277 if (!ev_is_active (&pipe_w))
1133 { 1278 {
1134#if EV_USE_EVENTFD 1279# if EV_USE_EVENTFD
1135 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1280 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1136 if (evfd < 0 && errno == EINVAL) 1281 if (evfd < 0 && errno == EINVAL)
1137 evfd = eventfd (0, 0); 1282 evfd = eventfd (0, 0);
1138 1283
1139 if (evfd >= 0) 1284 if (evfd >= 0)
… …
1141 evpipe [0] = -1; 1286 evpipe [0] = -1;
1142 fd_intern (evfd); /* doing it twice doesn't hurt */ 1287 fd_intern (evfd); /* doing it twice doesn't hurt */
1143 ev_io_set (&pipe_w, evfd, EV_READ); 1288 ev_io_set (&pipe_w, evfd, EV_READ);
1144 } 1289 }
1145 else 1290 else
1146#endif 1291# endif
1147 { 1292 {
1148 while (pipe (evpipe)) 1293 while (pipe (evpipe))
1149 ev_syserr ("(libev) error creating signal/async pipe"); 1294 ev_syserr ("(libev) error creating signal/async pipe");
1150 1295
1151 fd_intern (evpipe [0]); 1296 fd_intern (evpipe [0]);
… …
1162evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1307evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1163{ 1308{
1164 if (!*flag) 1309 if (!*flag)
1165 { 1310 {
1166 int old_errno = errno; /* save errno because write might clobber it */ 1311 int old_errno = errno; /* save errno because write might clobber it */
1312 char dummy;
1167 1313
1168 *flag = 1; 1314 *flag = 1;
1169 1315
1170#if EV_USE_EVENTFD 1316#if EV_USE_EVENTFD
1171 if (evfd >= 0) 1317 if (evfd >= 0)
… …
1173 uint64_t counter = 1; 1319 uint64_t counter = 1;
1174 write (evfd, &counter, sizeof (uint64_t)); 1320 write (evfd, &counter, sizeof (uint64_t));
1175 } 1321 }
1176 else 1322 else
1177#endif 1323#endif
1324 /* win32 people keep sending patches that change this write() to send() */
1325 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1326 /* so when you think this write should be a send instead, please find out */
1327 /* where your send() is from - it's definitely not the microsoft send, and */
1328 /* tell me. thank you. */
1178 write (evpipe [1], &old_errno, 1); 1329 write (evpipe [1], &dummy, 1);
1179 1330
1180 errno = old_errno; 1331 errno = old_errno;
1181 } 1332 }
1182} 1333}
1183 1334
1184/* called whenever the libev signal pipe */ 1335/* called whenever the libev signal pipe */
1185/* got some events (signal, async) */ 1336/* got some events (signal, async) */
1186static void 1337static void
1187pipecb (EV_P_ ev_io *iow, int revents) 1338pipecb (EV_P_ ev_io *iow, int revents)
1188{ 1339{
1340 int i;
1341
1189#if EV_USE_EVENTFD 1342#if EV_USE_EVENTFD
1190 if (evfd >= 0) 1343 if (evfd >= 0)
1191 { 1344 {
1192 uint64_t counter; 1345 uint64_t counter;
1193 read (evfd, &counter, sizeof (uint64_t)); 1346 read (evfd, &counter, sizeof (uint64_t));
1194 } 1347 }
1195 else 1348 else
1196#endif 1349#endif
1197 { 1350 {
1198 char dummy; 1351 char dummy;
1352 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1199 read (evpipe [0], &dummy, 1); 1353 read (evpipe [0], &dummy, 1);
1200 } 1354 }
1201 1355
1202 if (gotsig && ev_is_default_loop (EV_A)) 1356#if EV_SIGNAL_ENABLE
1357 if (sig_pending)
1203 { 1358 {
1204 int signum; 1359 sig_pending = 0;
1205 gotsig = 0;
1206 1360
1207 for (signum = signalmax; signum--; ) 1361 for (i = EV_NSIG - 1; i--; )
1208 if (signals [signum].gotsig) 1362 if (expect_false (signals [i].pending))
1209 ev_feed_signal_event (EV_A_ signum + 1); 1363 ev_feed_signal_event (EV_A_ i + 1);
1210 } 1364 }
1365#endif
1211 1366
1212#if EV_ASYNC_ENABLE 1367#if EV_ASYNC_ENABLE
1213 if (gotasync) 1368 if (async_pending)
1214 { 1369 {
1215 int i; 1370 async_pending = 0;
1216 gotasync = 0;
1217 1371
1218 for (i = asynccnt; i--; ) 1372 for (i = asynccnt; i--; )
1219 if (asyncs [i]->sent) 1373 if (asyncs [i]->sent)
1220 { 1374 {
1221 asyncs [i]->sent = 0; 1375 asyncs [i]->sent = 0;
… …
1225#endif 1379#endif
1226} 1380}
1227 1381
1228/*****************************************************************************/ 1382/*****************************************************************************/
1229 1383
1384void
1385ev_feed_signal (int signum)
1386{
1387#if EV_MULTIPLICITY
1388 EV_P = signals [signum - 1].loop;
1389
1390 if (!EV_A)
1391 return;
1392#endif
1393
1394 signals [signum - 1].pending = 1;
1395 evpipe_write (EV_A_ &sig_pending);
1396}
1397
1230static void 1398static void
1231ev_sighandler (int signum) 1399ev_sighandler (int signum)
1232{ 1400{
1233#if EV_MULTIPLICITY
1234 struct ev_loop *loop = &default_loop_struct;
1235#endif
1236
1237#if _WIN32 1401#ifdef _WIN32
1238 signal (signum, ev_sighandler); 1402 signal (signum, ev_sighandler);
1239#endif 1403#endif
1240 1404
1241 signals [signum - 1].gotsig = 1; 1405 ev_feed_signal (signum);
1242 evpipe_write (EV_A_ &gotsig);
1243} 1406}
1244 1407
1245void noinline 1408void noinline
1246ev_feed_signal_event (EV_P_ int signum) 1409ev_feed_signal_event (EV_P_ int signum)
1247{ 1410{
1248 WL w; 1411 WL w;
1249 1412
1413 if (expect_false (signum <= 0 || signum > EV_NSIG))
1414 return;
1415
1416 --signum;
1417
1250#if EV_MULTIPLICITY 1418#if EV_MULTIPLICITY
1251 assert (("libev: feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); 1419 /* it is permissible to try to feed a signal to the wrong loop */
1252#endif 1420 /* or, likely more useful, feeding a signal nobody is waiting for */
1253 1421
1254 --signum; 1422 if (expect_false (signals [signum].loop != EV_A))
1255
1256 if (signum < 0 || signum >= signalmax)
1257 return; 1423 return;
1424#endif
1258 1425
1259 signals [signum].gotsig = 0; 1426 signals [signum].pending = 0;
1260 1427
1261 for (w = signals [signum].head; w; w = w->next) 1428 for (w = signals [signum].head; w; w = w->next)
1262 ev_feed_event (EV_A_ (W)w, EV_SIGNAL); 1429 ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1263} 1430}
1264 1431
1265#if EV_USE_SIGNALFD 1432#if EV_USE_SIGNALFD
1266static void 1433static void
1267sigfdcb (EV_P_ ev_io *iow, int revents) 1434sigfdcb (EV_P_ ev_io *iow, int revents)
1268{ 1435{
1269 struct signalfd_siginfo si[4], *sip; 1436 struct signalfd_siginfo si[2], *sip; /* these structs are big */
1270 1437
1271 for (;;) 1438 for (;;)
1272 { 1439 {
1273 ssize_t res = read (sigfd, si, sizeof (si)); 1440 ssize_t res = read (sigfd, si, sizeof (si));
1274 1441
… …
1280 break; 1447 break;
1281 } 1448 }
1282} 1449}
1283#endif 1450#endif
1284 1451
1452#endif
1453
1285/*****************************************************************************/ 1454/*****************************************************************************/
1286 1455
1456#if EV_CHILD_ENABLE
1287static WL childs [EV_PID_HASHSIZE]; 1457static WL childs [EV_PID_HASHSIZE];
1288
1289#ifndef _WIN32
1290 1458
1291static ev_signal childev; 1459static ev_signal childev;
1292 1460
1293#ifndef WIFCONTINUED 1461#ifndef WIFCONTINUED
1294# define WIFCONTINUED(status) 0 1462# define WIFCONTINUED(status) 0
… …
1299child_reap (EV_P_ int chain, int pid, int status) 1467child_reap (EV_P_ int chain, int pid, int status)
1300{ 1468{
1301 ev_child *w; 1469 ev_child *w;
1302 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1470 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1303 1471
1304 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1472 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1305 { 1473 {
1306 if ((w->pid == pid || !w->pid) 1474 if ((w->pid == pid || !w->pid)
1307 && (!traced || (w->flags & 1))) 1475 && (!traced || (w->flags & 1)))
1308 { 1476 {
1309 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1477 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
… …
1334 /* make sure we are called again until all children have been reaped */ 1502 /* make sure we are called again until all children have been reaped */
1335 /* we need to do it this way so that the callback gets called before we continue */ 1503 /* we need to do it this way so that the callback gets called before we continue */
1336 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1504 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1337 1505
1338 child_reap (EV_A_ pid, pid, status); 1506 child_reap (EV_A_ pid, pid, status);
1339 if (EV_PID_HASHSIZE > 1) 1507 if ((EV_PID_HASHSIZE) > 1)
1340 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1508 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1341} 1509}
1342 1510
1343#endif 1511#endif
1344 1512
1345/*****************************************************************************/ 1513/*****************************************************************************/
1346 1514
1515#if EV_USE_IOCP
1516# include "ev_iocp.c"
1517#endif
1347#if EV_USE_PORT 1518#if EV_USE_PORT
1348# include "ev_port.c" 1519# include "ev_port.c"
1349#endif 1520#endif
1350#if EV_USE_KQUEUE 1521#if EV_USE_KQUEUE
1351# include "ev_kqueue.c" 1522# include "ev_kqueue.c"
… …
1411#ifdef __APPLE__ 1582#ifdef __APPLE__
1412 /* only select works correctly on that "unix-certified" platform */ 1583 /* only select works correctly on that "unix-certified" platform */
1413 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1584 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1414 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1585 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1415#endif 1586#endif
1587#ifdef __FreeBSD__
1588 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1589#endif
1416 1590
1417 return flags; 1591 return flags;
1418} 1592}
1419 1593
1420unsigned int 1594unsigned int
1421ev_embeddable_backends (void) 1595ev_embeddable_backends (void)
1422{ 1596{
1423 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1597 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1424 1598
1425 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1599 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1426 /* please fix it and tell me how to detect the fix */ 1600 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1427 flags &= ~EVBACKEND_EPOLL; 1601 flags &= ~EVBACKEND_EPOLL;
1428 1602
1429 return flags; 1603 return flags;
1430} 1604}
1431 1605
1432unsigned int 1606unsigned int
1433ev_backend (EV_P) 1607ev_backend (EV_P)
1434{ 1608{
1435 return backend; 1609 return backend;
1436} 1610}
1437 1611
1438#if EV_MINIMAL < 2 1612#if EV_FEATURE_API
1439unsigned int 1613unsigned int
1440ev_loop_count (EV_P) 1614ev_iteration (EV_P)
1441{ 1615{
1442 return loop_count; 1616 return loop_count;
1443} 1617}
1444 1618
1445unsigned int 1619unsigned int
1446ev_loop_depth (EV_P) 1620ev_depth (EV_P)
1447{ 1621{
1448 return loop_depth; 1622 return loop_depth;
1449} 1623}
1450 1624
1451void 1625void
… …
1488static void noinline 1662static void noinline
1489loop_init (EV_P_ unsigned int flags) 1663loop_init (EV_P_ unsigned int flags)
1490{ 1664{
1491 if (!backend) 1665 if (!backend)
1492 { 1666 {
1667 origflags = flags;
1668
1493#if EV_USE_REALTIME 1669#if EV_USE_REALTIME
1494 if (!have_realtime) 1670 if (!have_realtime)
1495 { 1671 {
1496 struct timespec ts; 1672 struct timespec ts;
1497 1673
… …
1508 if (!clock_gettime (CLOCK_MONOTONIC, &ts)) 1684 if (!clock_gettime (CLOCK_MONOTONIC, &ts))
1509 have_monotonic = 1; 1685 have_monotonic = 1;
1510 } 1686 }
1511#endif 1687#endif
1512 1688
1689 /* pid check not overridable via env */
1690#ifndef _WIN32
1691 if (flags & EVFLAG_FORKCHECK)
1692 curpid = getpid ();
1693#endif
1694
1695 if (!(flags & EVFLAG_NOENV)
1696 && !enable_secure ()
1697 && getenv ("LIBEV_FLAGS"))
1698 flags = atoi (getenv ("LIBEV_FLAGS"));
1699
1513 ev_rt_now = ev_time (); 1700 ev_rt_now = ev_time ();
1514 mn_now = get_clock (); 1701 mn_now = get_clock ();
1515 now_floor = mn_now; 1702 now_floor = mn_now;
1516 rtmn_diff = ev_rt_now - mn_now; 1703 rtmn_diff = ev_rt_now - mn_now;
1517#if EV_MINIMAL < 2 1704#if EV_FEATURE_API
1518 invoke_cb = ev_invoke_pending; 1705 invoke_cb = ev_invoke_pending;
1519#endif 1706#endif
1520 1707
1521 io_blocktime = 0.; 1708 io_blocktime = 0.;
1522 timeout_blocktime = 0.; 1709 timeout_blocktime = 0.;
1523 backend = 0; 1710 backend = 0;
1524 backend_fd = -1; 1711 backend_fd = -1;
1525 gotasync = 0; 1712 sig_pending = 0;
1713#if EV_ASYNC_ENABLE
1714 async_pending = 0;
1715#endif
1526#if EV_USE_INOTIFY 1716#if EV_USE_INOTIFY
1527 fs_fd = -2; 1717 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1528#endif 1718#endif
1529#if EV_USE_SIGNALFD 1719#if EV_USE_SIGNALFD
1530 sigfd = -2; 1720 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1531#endif 1721#endif
1532 1722
1533 /* pid check not overridable via env */
1534#ifndef _WIN32
1535 if (flags & EVFLAG_FORKCHECK)
1536 curpid = getpid ();
1537#endif
1538
1539 if (!(flags & EVFLAG_NOENV) 1723 if (!(flags & EVBACKEND_MASK))
1540 && !enable_secure ()
1541 && getenv ("LIBEV_FLAGS"))
1542 flags = atoi (getenv ("LIBEV_FLAGS"));
1543
1544 if (!(flags & 0x0000ffffU))
1545 flags |= ev_recommended_backends (); 1724 flags |= ev_recommended_backends ();
1546 1725
1726#if EV_USE_IOCP
1727 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1728#endif
1547#if EV_USE_PORT 1729#if EV_USE_PORT
1548 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1730 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1549#endif 1731#endif
1550#if EV_USE_KQUEUE 1732#if EV_USE_KQUEUE
1551 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1733 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1560 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1742 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1561#endif 1743#endif
1562 1744
1563 ev_prepare_init (&pending_w, pendingcb); 1745 ev_prepare_init (&pending_w, pendingcb);
1564 1746
1747#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1565 ev_init (&pipe_w, pipecb); 1748 ev_init (&pipe_w, pipecb);
1566 ev_set_priority (&pipe_w, EV_MAXPRI); 1749 ev_set_priority (&pipe_w, EV_MAXPRI);
1750#endif
1567 } 1751 }
1568} 1752}
1569 1753
1570/* free up a loop structure */ 1754/* free up a loop structure */
1571static void noinline 1755void
1572loop_destroy (EV_P) 1756ev_loop_destroy (EV_P)
1573{ 1757{
1574 int i; 1758 int i;
1759
1760#if EV_MULTIPLICITY
1761 /* mimic free (0) */
1762 if (!EV_A)
1763 return;
1764#endif
1765
1766#if EV_CLEANUP_ENABLE
1767 /* queue cleanup watchers (and execute them) */
1768 if (expect_false (cleanupcnt))
1769 {
1770 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
1771 EV_INVOKE_PENDING;
1772 }
1773#endif
1774
1775#if EV_CHILD_ENABLE
1776 if (ev_is_active (&childev))
1777 {
1778 ev_ref (EV_A); /* child watcher */
1779 ev_signal_stop (EV_A_ &childev);
1780 }
1781#endif
1575 1782
1576 if (ev_is_active (&pipe_w)) 1783 if (ev_is_active (&pipe_w))
1577 { 1784 {
1578 /*ev_ref (EV_A);*/ 1785 /*ev_ref (EV_A);*/
1579 /*ev_io_stop (EV_A_ &pipe_w);*/ 1786 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1583 close (evfd); 1790 close (evfd);
1584#endif 1791#endif
1585 1792
1586 if (evpipe [0] >= 0) 1793 if (evpipe [0] >= 0)
1587 { 1794 {
1588 close (evpipe [0]); 1795 EV_WIN32_CLOSE_FD (evpipe [0]);
1589 close (evpipe [1]); 1796 EV_WIN32_CLOSE_FD (evpipe [1]);
1590 } 1797 }
1591 } 1798 }
1592 1799
1593#if EV_USE_SIGNALFD 1800#if EV_USE_SIGNALFD
1594 if (ev_is_active (&sigfd_w)) 1801 if (ev_is_active (&sigfd_w))
1595 {
1596 /*ev_ref (EV_A);*/
1597 /*ev_io_stop (EV_A_ &sigfd_w);*/
1598
1599 close (sigfd); 1802 close (sigfd);
1600 }
1601#endif 1803#endif
1602 1804
1603#if EV_USE_INOTIFY 1805#if EV_USE_INOTIFY
1604 if (fs_fd >= 0) 1806 if (fs_fd >= 0)
1605 close (fs_fd); 1807 close (fs_fd);
1606#endif 1808#endif
1607 1809
1608 if (backend_fd >= 0) 1810 if (backend_fd >= 0)
1609 close (backend_fd); 1811 close (backend_fd);
1610 1812
1813#if EV_USE_IOCP
1814 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1815#endif
1611#if EV_USE_PORT 1816#if EV_USE_PORT
1612 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1817 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1613#endif 1818#endif
1614#if EV_USE_KQUEUE 1819#if EV_USE_KQUEUE
1615 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1820 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1630#if EV_IDLE_ENABLE 1835#if EV_IDLE_ENABLE
1631 array_free (idle, [i]); 1836 array_free (idle, [i]);
1632#endif 1837#endif
1633 } 1838 }
1634 1839
1635 ev_free (anfds); anfdmax = 0; 1840 ev_free (anfds); anfds = 0; anfdmax = 0;
1636 1841
1637 /* have to use the microsoft-never-gets-it-right macro */ 1842 /* have to use the microsoft-never-gets-it-right macro */
1638 array_free (rfeed, EMPTY); 1843 array_free (rfeed, EMPTY);
1639 array_free (fdchange, EMPTY); 1844 array_free (fdchange, EMPTY);
1640 array_free (timer, EMPTY); 1845 array_free (timer, EMPTY);
… …
1642 array_free (periodic, EMPTY); 1847 array_free (periodic, EMPTY);
1643#endif 1848#endif
1644#if EV_FORK_ENABLE 1849#if EV_FORK_ENABLE
1645 array_free (fork, EMPTY); 1850 array_free (fork, EMPTY);
1646#endif 1851#endif
1852#if EV_CLEANUP_ENABLE
1853 array_free (cleanup, EMPTY);
1854#endif
1647 array_free (prepare, EMPTY); 1855 array_free (prepare, EMPTY);
1648 array_free (check, EMPTY); 1856 array_free (check, EMPTY);
1649#if EV_ASYNC_ENABLE 1857#if EV_ASYNC_ENABLE
1650 array_free (async, EMPTY); 1858 array_free (async, EMPTY);
1651#endif 1859#endif
1652 1860
1653 backend = 0; 1861 backend = 0;
1862
1863#if EV_MULTIPLICITY
1864 if (ev_is_default_loop (EV_A))
1865#endif
1866 ev_default_loop_ptr = 0;
1867#if EV_MULTIPLICITY
1868 else
1869 ev_free (EV_A);
1870#endif
1654} 1871}
1655 1872
1656#if EV_USE_INOTIFY 1873#if EV_USE_INOTIFY
1657inline_size void infy_fork (EV_P); 1874inline_size void infy_fork (EV_P);
1658#endif 1875#endif
… …
1675 1892
1676 if (ev_is_active (&pipe_w)) 1893 if (ev_is_active (&pipe_w))
1677 { 1894 {
1678 /* this "locks" the handlers against writing to the pipe */ 1895 /* this "locks" the handlers against writing to the pipe */
1679 /* while we modify the fd vars */ 1896 /* while we modify the fd vars */
1680 gotsig = 1; 1897 sig_pending = 1;
1681#if EV_ASYNC_ENABLE 1898#if EV_ASYNC_ENABLE
1682 gotasync = 1; 1899 async_pending = 1;
1683#endif 1900#endif
1684 1901
1685 ev_ref (EV_A); 1902 ev_ref (EV_A);
1686 ev_io_stop (EV_A_ &pipe_w); 1903 ev_io_stop (EV_A_ &pipe_w);
1687 1904
… …
1690 close (evfd); 1907 close (evfd);
1691#endif 1908#endif
1692 1909
1693 if (evpipe [0] >= 0) 1910 if (evpipe [0] >= 0)
1694 { 1911 {
1695 close (evpipe [0]); 1912 EV_WIN32_CLOSE_FD (evpipe [0]);
1696 close (evpipe [1]); 1913 EV_WIN32_CLOSE_FD (evpipe [1]);
1697 } 1914 }
1698 1915
1916#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1699 evpipe_init (EV_A); 1917 evpipe_init (EV_A);
1700 /* now iterate over everything, in case we missed something */ 1918 /* now iterate over everything, in case we missed something */
1701 pipecb (EV_A_ &pipe_w, EV_READ); 1919 pipecb (EV_A_ &pipe_w, EV_READ);
1920#endif
1702 } 1921 }
1703 1922
1704 postfork = 0; 1923 postfork = 0;
1705} 1924}
1706 1925
1707#if EV_MULTIPLICITY 1926#if EV_MULTIPLICITY
1708 1927
1709struct ev_loop * 1928struct ev_loop *
1710ev_loop_new (unsigned int flags) 1929ev_loop_new (unsigned int flags)
1711{ 1930{
1712 struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 1931 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1713 1932
1714 memset (loop, 0, sizeof (struct ev_loop)); 1933 memset (EV_A, 0, sizeof (struct ev_loop));
1715 loop_init (EV_A_ flags); 1934 loop_init (EV_A_ flags);
1716 1935
1717 if (ev_backend (EV_A)) 1936 if (ev_backend (EV_A))
1718 return loop; 1937 return EV_A;
1719 1938
1939 ev_free (EV_A);
1720 return 0; 1940 return 0;
1721} 1941}
1722 1942
1723void
1724ev_loop_destroy (EV_P)
1725{
1726 loop_destroy (EV_A);
1727 ev_free (loop);
1728}
1729
1730void
1731ev_loop_fork (EV_P)
1732{
1733 postfork = 1; /* must be in line with ev_default_fork */
1734}
1735#endif /* multiplicity */ 1943#endif /* multiplicity */
1736 1944
1737#if EV_VERIFY 1945#if EV_VERIFY
1738static void noinline 1946static void noinline
1739verify_watcher (EV_P_ W w) 1947verify_watcher (EV_P_ W w)
… …
1768 verify_watcher (EV_A_ ws [cnt]); 1976 verify_watcher (EV_A_ ws [cnt]);
1769 } 1977 }
1770} 1978}
1771#endif 1979#endif
1772 1980
1773#if EV_MINIMAL < 2 1981#if EV_FEATURE_API
1774void 1982void
1775ev_loop_verify (EV_P) 1983ev_verify (EV_P)
1776{ 1984{
1777#if EV_VERIFY 1985#if EV_VERIFY
1778 int i; 1986 int i;
1779 WL w; 1987 WL w;
1780 1988
… …
1814#if EV_FORK_ENABLE 2022#if EV_FORK_ENABLE
1815 assert (forkmax >= forkcnt); 2023 assert (forkmax >= forkcnt);
1816 array_verify (EV_A_ (W *)forks, forkcnt); 2024 array_verify (EV_A_ (W *)forks, forkcnt);
1817#endif 2025#endif
1818 2026
2027#if EV_CLEANUP_ENABLE
2028 assert (cleanupmax >= cleanupcnt);
2029 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2030#endif
2031
1819#if EV_ASYNC_ENABLE 2032#if EV_ASYNC_ENABLE
1820 assert (asyncmax >= asynccnt); 2033 assert (asyncmax >= asynccnt);
1821 array_verify (EV_A_ (W *)asyncs, asynccnt); 2034 array_verify (EV_A_ (W *)asyncs, asynccnt);
1822#endif 2035#endif
1823 2036
2037#if EV_PREPARE_ENABLE
1824 assert (preparemax >= preparecnt); 2038 assert (preparemax >= preparecnt);
1825 array_verify (EV_A_ (W *)prepares, preparecnt); 2039 array_verify (EV_A_ (W *)prepares, preparecnt);
2040#endif
1826 2041
2042#if EV_CHECK_ENABLE
1827 assert (checkmax >= checkcnt); 2043 assert (checkmax >= checkcnt);
1828 array_verify (EV_A_ (W *)checks, checkcnt); 2044 array_verify (EV_A_ (W *)checks, checkcnt);
2045#endif
1829 2046
1830# if 0 2047# if 0
2048#if EV_CHILD_ENABLE
1831 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 2049 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1832 for (signum = signalmax; signum--; ) if (signals [signum].gotsig) 2050 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
2051#endif
1833# endif 2052# endif
1834#endif 2053#endif
1835} 2054}
1836#endif 2055#endif
1837 2056
1838#if EV_MULTIPLICITY 2057#if EV_MULTIPLICITY
1839struct ev_loop * 2058struct ev_loop *
1840ev_default_loop_init (unsigned int flags)
1841#else 2059#else
1842int 2060int
2061#endif
1843ev_default_loop (unsigned int flags) 2062ev_default_loop (unsigned int flags)
1844#endif
1845{ 2063{
1846 if (!ev_default_loop_ptr) 2064 if (!ev_default_loop_ptr)
1847 { 2065 {
1848#if EV_MULTIPLICITY 2066#if EV_MULTIPLICITY
1849 struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; 2067 EV_P = ev_default_loop_ptr = &default_loop_struct;
1850#else 2068#else
1851 ev_default_loop_ptr = 1; 2069 ev_default_loop_ptr = 1;
1852#endif 2070#endif
1853 2071
1854 loop_init (EV_A_ flags); 2072 loop_init (EV_A_ flags);
1855 2073
1856 if (ev_backend (EV_A)) 2074 if (ev_backend (EV_A))
1857 { 2075 {
1858#ifndef _WIN32 2076#if EV_CHILD_ENABLE
1859 ev_signal_init (&childev, childcb, SIGCHLD); 2077 ev_signal_init (&childev, childcb, SIGCHLD);
1860 ev_set_priority (&childev, EV_MAXPRI); 2078 ev_set_priority (&childev, EV_MAXPRI);
1861 ev_signal_start (EV_A_ &childev); 2079 ev_signal_start (EV_A_ &childev);
1862 ev_unref (EV_A); /* child watcher should not keep loop alive */ 2080 ev_unref (EV_A); /* child watcher should not keep loop alive */
1863#endif 2081#endif
… …
1868 2086
1869 return ev_default_loop_ptr; 2087 return ev_default_loop_ptr;
1870} 2088}
1871 2089
1872void 2090void
1873ev_default_destroy (void) 2091ev_loop_fork (EV_P)
1874{ 2092{
1875#if EV_MULTIPLICITY
1876 struct ev_loop *loop = ev_default_loop_ptr;
1877#endif
1878
1879 ev_default_loop_ptr = 0;
1880
1881#ifndef _WIN32
1882 ev_ref (EV_A); /* child watcher */
1883 ev_signal_stop (EV_A_ &childev);
1884#endif
1885
1886 loop_destroy (EV_A);
1887}
1888
1889void
1890ev_default_fork (void)
1891{
1892#if EV_MULTIPLICITY
1893 struct ev_loop *loop = ev_default_loop_ptr;
1894#endif
1895
1896 postfork = 1; /* must be in line with ev_loop_fork */ 2093 postfork = 1; /* must be in line with ev_default_fork */
1897} 2094}
1898 2095
1899/*****************************************************************************/ 2096/*****************************************************************************/
1900 2097
1901void 2098void
… …
1923 2120
1924 for (pri = NUMPRI; pri--; ) 2121 for (pri = NUMPRI; pri--; )
1925 while (pendingcnt [pri]) 2122 while (pendingcnt [pri])
1926 { 2123 {
1927 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2124 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1928
1929 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
1930 /* ^ this is no longer true, as pending_w could be here */
1931 2125
1932 p->w->pending = 0; 2126 p->w->pending = 0;
1933 EV_CB_INVOKE (p->w, p->events); 2127 EV_CB_INVOKE (p->w, p->events);
1934 EV_FREQUENT_CHECK; 2128 EV_FREQUENT_CHECK;
1935 } 2129 }
… …
1992 EV_FREQUENT_CHECK; 2186 EV_FREQUENT_CHECK;
1993 feed_reverse (EV_A_ (W)w); 2187 feed_reverse (EV_A_ (W)w);
1994 } 2188 }
1995 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2189 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
1996 2190
1997 feed_reverse_done (EV_A_ EV_TIMEOUT); 2191 feed_reverse_done (EV_A_ EV_TIMER);
1998 } 2192 }
1999} 2193}
2000 2194
2001#if EV_PERIODIC_ENABLE 2195#if EV_PERIODIC_ENABLE
2002/* make periodics pending */ 2196/* make periodics pending */
… …
2055 feed_reverse_done (EV_A_ EV_PERIODIC); 2249 feed_reverse_done (EV_A_ EV_PERIODIC);
2056 } 2250 }
2057} 2251}
2058 2252
2059/* simply recalculate all periodics */ 2253/* simply recalculate all periodics */
2060/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2254/* TODO: maybe ensure that at least one event happens when jumping forward? */
2061static void noinline 2255static void noinline
2062periodics_reschedule (EV_P) 2256periodics_reschedule (EV_P)
2063{ 2257{
2064 int i; 2258 int i;
2065 2259
… …
2093 ANHE_at_cache (*he); 2287 ANHE_at_cache (*he);
2094 } 2288 }
2095} 2289}
2096 2290
2097/* fetch new monotonic and realtime times from the kernel */ 2291/* fetch new monotonic and realtime times from the kernel */
2098/* also detetc if there was a timejump, and act accordingly */ 2292/* also detect if there was a timejump, and act accordingly */
2099inline_speed void 2293inline_speed void
2100time_update (EV_P_ ev_tstamp max_block) 2294time_update (EV_P_ ev_tstamp max_block)
2101{ 2295{
2102#if EV_USE_MONOTONIC 2296#if EV_USE_MONOTONIC
2103 if (expect_true (have_monotonic)) 2297 if (expect_true (have_monotonic))
… …
2161 mn_now = ev_rt_now; 2355 mn_now = ev_rt_now;
2162 } 2356 }
2163} 2357}
2164 2358
2165void 2359void
2166ev_loop (EV_P_ int flags) 2360ev_run (EV_P_ int flags)
2167{ 2361{
2168#if EV_MINIMAL < 2 2362#if EV_FEATURE_API
2169 ++loop_depth; 2363 ++loop_depth;
2170#endif 2364#endif
2171 2365
2172 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2366 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2173 2367
2174 loop_done = EVUNLOOP_CANCEL; 2368 loop_done = EVBREAK_CANCEL;
2175 2369
2176 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2370 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2177 2371
2178 do 2372 do
2179 { 2373 {
2180#if EV_VERIFY >= 2 2374#if EV_VERIFY >= 2
2181 ev_loop_verify (EV_A); 2375 ev_verify (EV_A);
2182#endif 2376#endif
2183 2377
2184#ifndef _WIN32 2378#ifndef _WIN32
2185 if (expect_false (curpid)) /* penalise the forking check even more */ 2379 if (expect_false (curpid)) /* penalise the forking check even more */
2186 if (expect_false (getpid () != curpid)) 2380 if (expect_false (getpid () != curpid))
… …
2198 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2392 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2199 EV_INVOKE_PENDING; 2393 EV_INVOKE_PENDING;
2200 } 2394 }
2201#endif 2395#endif
2202 2396
2397#if EV_PREPARE_ENABLE
2203 /* queue prepare watchers (and execute them) */ 2398 /* queue prepare watchers (and execute them) */
2204 if (expect_false (preparecnt)) 2399 if (expect_false (preparecnt))
2205 { 2400 {
2206 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2401 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2207 EV_INVOKE_PENDING; 2402 EV_INVOKE_PENDING;
2208 } 2403 }
2404#endif
2209 2405
2210 if (expect_false (loop_done)) 2406 if (expect_false (loop_done))
2211 break; 2407 break;
2212 2408
2213 /* we might have forked, so reify kernel state if necessary */ 2409 /* we might have forked, so reify kernel state if necessary */
… …
2220 /* calculate blocking time */ 2416 /* calculate blocking time */
2221 { 2417 {
2222 ev_tstamp waittime = 0.; 2418 ev_tstamp waittime = 0.;
2223 ev_tstamp sleeptime = 0.; 2419 ev_tstamp sleeptime = 0.;
2224 2420
2421 /* remember old timestamp for io_blocktime calculation */
2422 ev_tstamp prev_mn_now = mn_now;
2423
2424 /* update time to cancel out callback processing overhead */
2425 time_update (EV_A_ 1e100);
2426
2225 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2427 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2226 { 2428 {
2227 /* remember old timestamp for io_blocktime calculation */
2228 ev_tstamp prev_mn_now = mn_now;
2229
2230 /* update time to cancel out callback processing overhead */
2231 time_update (EV_A_ 1e100);
2232
2233 waittime = MAX_BLOCKTIME; 2429 waittime = MAX_BLOCKTIME;
2234 2430
2235 if (timercnt) 2431 if (timercnt)
2236 { 2432 {
2237 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2433 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
… …
2264 waittime -= sleeptime; 2460 waittime -= sleeptime;
2265 } 2461 }
2266 } 2462 }
2267 } 2463 }
2268 2464
2269#if EV_MINIMAL < 2 2465#if EV_FEATURE_API
2270 ++loop_count; 2466 ++loop_count;
2271#endif 2467#endif
2272 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2468 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2273 backend_poll (EV_A_ waittime); 2469 backend_poll (EV_A_ waittime);
2274 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2470 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2275 2471
2276 /* update ev_rt_now, do magic */ 2472 /* update ev_rt_now, do magic */
2277 time_update (EV_A_ waittime + sleeptime); 2473 time_update (EV_A_ waittime + sleeptime);
2278 } 2474 }
2279 2475
… …
2286#if EV_IDLE_ENABLE 2482#if EV_IDLE_ENABLE
2287 /* queue idle watchers unless other events are pending */ 2483 /* queue idle watchers unless other events are pending */
2288 idle_reify (EV_A); 2484 idle_reify (EV_A);
2289#endif 2485#endif
2290 2486
2487#if EV_CHECK_ENABLE
2291 /* queue check watchers, to be executed first */ 2488 /* queue check watchers, to be executed first */
2292 if (expect_false (checkcnt)) 2489 if (expect_false (checkcnt))
2293 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2490 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2491#endif
2294 2492
2295 EV_INVOKE_PENDING; 2493 EV_INVOKE_PENDING;
2296 } 2494 }
2297 while (expect_true ( 2495 while (expect_true (
2298 activecnt 2496 activecnt
2299 && !loop_done 2497 && !loop_done
2300 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2498 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2301 )); 2499 ));
2302 2500
2303 if (loop_done == EVUNLOOP_ONE) 2501 if (loop_done == EVBREAK_ONE)
2304 loop_done = EVUNLOOP_CANCEL; 2502 loop_done = EVBREAK_CANCEL;
2305 2503
2306#if EV_MINIMAL < 2 2504#if EV_FEATURE_API
2307 --loop_depth; 2505 --loop_depth;
2308#endif 2506#endif
2309} 2507}
2310 2508
2311void 2509void
2312ev_unloop (EV_P_ int how) 2510ev_break (EV_P_ int how)
2313{ 2511{
2314 loop_done = how; 2512 loop_done = how;
2315} 2513}
2316 2514
2317void 2515void
… …
2364inline_size void 2562inline_size void
2365wlist_del (WL *head, WL elem) 2563wlist_del (WL *head, WL elem)
2366{ 2564{
2367 while (*head) 2565 while (*head)
2368 { 2566 {
2369 if (*head == elem) 2567 if (expect_true (*head == elem))
2370 { 2568 {
2371 *head = elem->next; 2569 *head = elem->next;
2372 return; 2570 break;
2373 } 2571 }
2374 2572
2375 head = &(*head)->next; 2573 head = &(*head)->next;
2376 } 2574 }
2377} 2575}
… …
2437 2635
2438 if (expect_false (ev_is_active (w))) 2636 if (expect_false (ev_is_active (w)))
2439 return; 2637 return;
2440 2638
2441 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 2639 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2442 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 2640 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2443 2641
2444 EV_FREQUENT_CHECK; 2642 EV_FREQUENT_CHECK;
2445 2643
2446 ev_start (EV_A_ (W)w, 1); 2644 ev_start (EV_A_ (W)w, 1);
2447 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 2645 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
… …
2465 EV_FREQUENT_CHECK; 2663 EV_FREQUENT_CHECK;
2466 2664
2467 wlist_del (&anfds[w->fd].head, (WL)w); 2665 wlist_del (&anfds[w->fd].head, (WL)w);
2468 ev_stop (EV_A_ (W)w); 2666 ev_stop (EV_A_ (W)w);
2469 2667
2470 fd_change (EV_A_ w->fd, 1); 2668 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2471 2669
2472 EV_FREQUENT_CHECK; 2670 EV_FREQUENT_CHECK;
2473} 2671}
2474 2672
2475void noinline 2673void noinline
… …
2517 timers [active] = timers [timercnt + HEAP0]; 2715 timers [active] = timers [timercnt + HEAP0];
2518 adjustheap (timers, timercnt, active); 2716 adjustheap (timers, timercnt, active);
2519 } 2717 }
2520 } 2718 }
2521 2719
2522 EV_FREQUENT_CHECK;
2523
2524 ev_at (w) -= mn_now; 2720 ev_at (w) -= mn_now;
2525 2721
2526 ev_stop (EV_A_ (W)w); 2722 ev_stop (EV_A_ (W)w);
2723
2724 EV_FREQUENT_CHECK;
2527} 2725}
2528 2726
2529void noinline 2727void noinline
2530ev_timer_again (EV_P_ ev_timer *w) 2728ev_timer_again (EV_P_ ev_timer *w)
2531{ 2729{
… …
2610 periodics [active] = periodics [periodiccnt + HEAP0]; 2808 periodics [active] = periodics [periodiccnt + HEAP0];
2611 adjustheap (periodics, periodiccnt, active); 2809 adjustheap (periodics, periodiccnt, active);
2612 } 2810 }
2613 } 2811 }
2614 2812
2615 EV_FREQUENT_CHECK;
2616
2617 ev_stop (EV_A_ (W)w); 2813 ev_stop (EV_A_ (W)w);
2814
2815 EV_FREQUENT_CHECK;
2618} 2816}
2619 2817
2620void noinline 2818void noinline
2621ev_periodic_again (EV_P_ ev_periodic *w) 2819ev_periodic_again (EV_P_ ev_periodic *w)
2622{ 2820{
… …
2628 2826
2629#ifndef SA_RESTART 2827#ifndef SA_RESTART
2630# define SA_RESTART 0 2828# define SA_RESTART 0
2631#endif 2829#endif
2632 2830
2831#if EV_SIGNAL_ENABLE
2832
2633void noinline 2833void noinline
2634ev_signal_start (EV_P_ ev_signal *w) 2834ev_signal_start (EV_P_ ev_signal *w)
2635{ 2835{
2636#if EV_MULTIPLICITY
2637 assert (("libev: signal watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2638#endif
2639 if (expect_false (ev_is_active (w))) 2836 if (expect_false (ev_is_active (w)))
2640 return; 2837 return;
2641 2838
2642 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0)); 2839 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
2840
2841#if EV_MULTIPLICITY
2842 assert (("libev: a signal must not be attached to two different loops",
2843 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
2844
2845 signals [w->signum - 1].loop = EV_A;
2846#endif
2643 2847
2644 EV_FREQUENT_CHECK; 2848 EV_FREQUENT_CHECK;
2645 2849
2646#if EV_USE_SIGNALFD 2850#if EV_USE_SIGNALFD
2647 if (sigfd == -2) 2851 if (sigfd == -2)
… …
2669 sigaddset (&sigfd_set, w->signum); 2873 sigaddset (&sigfd_set, w->signum);
2670 sigprocmask (SIG_BLOCK, &sigfd_set, 0); 2874 sigprocmask (SIG_BLOCK, &sigfd_set, 0);
2671 2875
2672 signalfd (sigfd, &sigfd_set, 0); 2876 signalfd (sigfd, &sigfd_set, 0);
2673 } 2877 }
2674 else
2675#endif 2878#endif
2676 evpipe_init (EV_A);
2677
2678 {
2679#ifndef _WIN32
2680 sigset_t full, prev;
2681 sigfillset (&full);
2682 sigprocmask (SIG_SETMASK, &full, &prev);
2683#endif
2684
2685 array_needsize (ANSIG, signals, signalmax, w->signum, array_init_zero);
2686
2687#ifndef _WIN32
2688 if (sigfd < 0)/*TODO*/
2689 sigdelset (&prev, w->signum);
2690 sigprocmask (SIG_SETMASK, &prev, 0);
2691#endif
2692 }
2693 2879
2694 ev_start (EV_A_ (W)w, 1); 2880 ev_start (EV_A_ (W)w, 1);
2695 wlist_add (&signals [w->signum - 1].head, (WL)w); 2881 wlist_add (&signals [w->signum - 1].head, (WL)w);
2696 2882
2697 if (!((WL)w)->next) 2883 if (!((WL)w)->next)
2884# if EV_USE_SIGNALFD
2885 if (sigfd < 0) /*TODO*/
2886# endif
2698 { 2887 {
2699#if _WIN32 2888# ifdef _WIN32
2889 evpipe_init (EV_A);
2890
2700 signal (w->signum, ev_sighandler); 2891 signal (w->signum, ev_sighandler);
2701#else 2892# else
2702 if (sigfd < 0) /*TODO*/
2703 {
2704 struct sigaction sa = { }; 2893 struct sigaction sa;
2894
2895 evpipe_init (EV_A);
2896
2705 sa.sa_handler = ev_sighandler; 2897 sa.sa_handler = ev_sighandler;
2706 sigfillset (&sa.sa_mask); 2898 sigfillset (&sa.sa_mask);
2707 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 2899 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2708 sigaction (w->signum, &sa, 0); 2900 sigaction (w->signum, &sa, 0);
2901
2902 if (origflags & EVFLAG_NOSIGMASK)
2903 {
2904 sigemptyset (&sa.sa_mask);
2905 sigaddset (&sa.sa_mask, w->signum);
2906 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
2709 } 2907 }
2710#endif 2908#endif
2711 } 2909 }
2712 2910
2713 EV_FREQUENT_CHECK; 2911 EV_FREQUENT_CHECK;
2714} 2912}
2715 2913
2716void noinline 2914void noinline
… …
2724 2922
2725 wlist_del (&signals [w->signum - 1].head, (WL)w); 2923 wlist_del (&signals [w->signum - 1].head, (WL)w);
2726 ev_stop (EV_A_ (W)w); 2924 ev_stop (EV_A_ (W)w);
2727 2925
2728 if (!signals [w->signum - 1].head) 2926 if (!signals [w->signum - 1].head)
2927 {
2928#if EV_MULTIPLICITY
2929 signals [w->signum - 1].loop = 0; /* unattach from signal */
2930#endif
2729#if EV_USE_SIGNALFD 2931#if EV_USE_SIGNALFD
2730 if (sigfd >= 0) 2932 if (sigfd >= 0)
2731 { 2933 {
2732 sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D 2934 sigset_t ss;
2935
2936 sigemptyset (&ss);
2937 sigaddset (&ss, w->signum);
2733 sigdelset (&sigfd_set, w->signum); 2938 sigdelset (&sigfd_set, w->signum);
2939
2734 signalfd (sigfd, &sigfd_set, 0); 2940 signalfd (sigfd, &sigfd_set, 0);
2735 sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D 2941 sigprocmask (SIG_UNBLOCK, &ss, 0);
2736 /*TODO: maybe unblock signal? */
2737 } 2942 }
2738 else 2943 else
2739#endif 2944#endif
2740 signal (w->signum, SIG_DFL); 2945 signal (w->signum, SIG_DFL);
2946 }
2741 2947
2742 EV_FREQUENT_CHECK; 2948 EV_FREQUENT_CHECK;
2743} 2949}
2950
2951#endif
2952
2953#if EV_CHILD_ENABLE
2744 2954
2745void 2955void
2746ev_child_start (EV_P_ ev_child *w) 2956ev_child_start (EV_P_ ev_child *w)
2747{ 2957{
2748#if EV_MULTIPLICITY 2958#if EV_MULTIPLICITY
… …
2752 return; 2962 return;
2753 2963
2754 EV_FREQUENT_CHECK; 2964 EV_FREQUENT_CHECK;
2755 2965
2756 ev_start (EV_A_ (W)w, 1); 2966 ev_start (EV_A_ (W)w, 1);
2757 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2967 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2758 2968
2759 EV_FREQUENT_CHECK; 2969 EV_FREQUENT_CHECK;
2760} 2970}
2761 2971
2762void 2972void
… …
2766 if (expect_false (!ev_is_active (w))) 2976 if (expect_false (!ev_is_active (w)))
2767 return; 2977 return;
2768 2978
2769 EV_FREQUENT_CHECK; 2979 EV_FREQUENT_CHECK;
2770 2980
2771 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2981 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2772 ev_stop (EV_A_ (W)w); 2982 ev_stop (EV_A_ (W)w);
2773 2983
2774 EV_FREQUENT_CHECK; 2984 EV_FREQUENT_CHECK;
2775} 2985}
2986
2987#endif
2776 2988
2777#if EV_STAT_ENABLE 2989#if EV_STAT_ENABLE
2778 2990
2779# ifdef _WIN32 2991# ifdef _WIN32
2780# undef lstat 2992# undef lstat
… …
2786#define MIN_STAT_INTERVAL 0.1074891 2998#define MIN_STAT_INTERVAL 0.1074891
2787 2999
2788static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 3000static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2789 3001
2790#if EV_USE_INOTIFY 3002#if EV_USE_INOTIFY
2791# define EV_INOTIFY_BUFSIZE 8192 3003
3004/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3005# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2792 3006
2793static void noinline 3007static void noinline
2794infy_add (EV_P_ ev_stat *w) 3008infy_add (EV_P_ ev_stat *w)
2795{ 3009{
2796 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); 3010 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);
2797 3011
2798 if (w->wd < 0) 3012 if (w->wd >= 0)
3013 {
3014 struct statfs sfs;
3015
3016 /* now local changes will be tracked by inotify, but remote changes won't */
3017 /* unless the filesystem is known to be local, we therefore still poll */
3018 /* also do poll on <2.6.25, but with normal frequency */
3019
3020 if (!fs_2625)
3021 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3022 else if (!statfs (w->path, &sfs)
3023 && (sfs.f_type == 0x1373 /* devfs */
3024 || sfs.f_type == 0xEF53 /* ext2/3 */
3025 || sfs.f_type == 0x3153464a /* jfs */
3026 || sfs.f_type == 0x52654973 /* reiser3 */
3027 || sfs.f_type == 0x01021994 /* tempfs */
3028 || sfs.f_type == 0x58465342 /* xfs */))
3029 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3030 else
3031 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2799 { 3032 }
3033 else
3034 {
3035 /* can't use inotify, continue to stat */
2800 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; 3036 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2801 ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2802 3037
2803 /* monitor some parent directory for speedup hints */ 3038 /* if path is not there, monitor some parent directory for speedup hints */
2804 /* note that exceeding the hardcoded path limit is not a correctness issue, */ 3039 /* note that exceeding the hardcoded path limit is not a correctness issue, */
2805 /* but an efficiency issue only */ 3040 /* but an efficiency issue only */
2806 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 3041 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2807 { 3042 {
2808 char path [4096]; 3043 char path [4096];
… …
2824 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3059 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2825 } 3060 }
2826 } 3061 }
2827 3062
2828 if (w->wd >= 0) 3063 if (w->wd >= 0)
2829 {
2830 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3064 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2831 3065
2832 /* now local changes will be tracked by inotify, but remote changes won't */ 3066 /* now re-arm timer, if required */
2833 /* unless the filesystem it known to be local, we therefore still poll */ 3067 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2834 /* also do poll on <2.6.25, but with normal frequency */
2835 struct statfs sfs;
2836
2837 if (fs_2625 && !statfs (w->path, &sfs))
2838 if (sfs.f_type == 0x1373 /* devfs */
2839 || sfs.f_type == 0xEF53 /* ext2/3 */
2840 || sfs.f_type == 0x3153464a /* jfs */
2841 || sfs.f_type == 0x52654973 /* reiser3 */
2842 || sfs.f_type == 0x01021994 /* tempfs */
2843 || sfs.f_type == 0x58465342 /* xfs */)
2844 return;
2845
2846 w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2847 ev_timer_again (EV_A_ &w->timer); 3068 ev_timer_again (EV_A_ &w->timer);
2848 } 3069 if (ev_is_active (&w->timer)) ev_unref (EV_A);
2849} 3070}
2850 3071
2851static void noinline 3072static void noinline
2852infy_del (EV_P_ ev_stat *w) 3073infy_del (EV_P_ ev_stat *w)
2853{ 3074{
… …
2856 3077
2857 if (wd < 0) 3078 if (wd < 0)
2858 return; 3079 return;
2859 3080
2860 w->wd = -2; 3081 w->wd = -2;
2861 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3082 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2862 wlist_del (&fs_hash [slot].head, (WL)w); 3083 wlist_del (&fs_hash [slot].head, (WL)w);
2863 3084
2864 /* remove this watcher, if others are watching it, they will rearm */ 3085 /* remove this watcher, if others are watching it, they will rearm */
2865 inotify_rm_watch (fs_fd, wd); 3086 inotify_rm_watch (fs_fd, wd);
2866} 3087}
… …
2868static void noinline 3089static void noinline
2869infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3090infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2870{ 3091{
2871 if (slot < 0) 3092 if (slot < 0)
2872 /* overflow, need to check for all hash slots */ 3093 /* overflow, need to check for all hash slots */
2873 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3094 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2874 infy_wd (EV_A_ slot, wd, ev); 3095 infy_wd (EV_A_ slot, wd, ev);
2875 else 3096 else
2876 { 3097 {
2877 WL w_; 3098 WL w_;
2878 3099
2879 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3100 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2880 { 3101 {
2881 ev_stat *w = (ev_stat *)w_; 3102 ev_stat *w = (ev_stat *)w_;
2882 w_ = w_->next; /* lets us remove this watcher and all before it */ 3103 w_ = w_->next; /* lets us remove this watcher and all before it */
2883 3104
2884 if (w->wd == wd || wd == -1) 3105 if (w->wd == wd || wd == -1)
2885 { 3106 {
2886 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3107 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2887 { 3108 {
2888 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3109 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2889 w->wd = -1; 3110 w->wd = -1;
2890 infy_add (EV_A_ w); /* re-add, no matter what */ 3111 infy_add (EV_A_ w); /* re-add, no matter what */
2891 } 3112 }
2892 3113
2893 stat_timer_cb (EV_A_ &w->timer, 0); 3114 stat_timer_cb (EV_A_ &w->timer, 0);
… …
2898 3119
2899static void 3120static void
2900infy_cb (EV_P_ ev_io *w, int revents) 3121infy_cb (EV_P_ ev_io *w, int revents)
2901{ 3122{
2902 char buf [EV_INOTIFY_BUFSIZE]; 3123 char buf [EV_INOTIFY_BUFSIZE];
2903 struct inotify_event *ev = (struct inotify_event *)buf;
2904 int ofs; 3124 int ofs;
2905 int len = read (fs_fd, buf, sizeof (buf)); 3125 int len = read (fs_fd, buf, sizeof (buf));
2906 3126
2907 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 3127 for (ofs = 0; ofs < len; )
3128 {
3129 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2908 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3130 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3131 ofs += sizeof (struct inotify_event) + ev->len;
3132 }
2909} 3133}
2910 3134
2911inline_size void 3135inline_size void
2912check_2625 (EV_P) 3136ev_check_2625 (EV_P)
2913{ 3137{
2914 /* kernels < 2.6.25 are borked 3138 /* kernels < 2.6.25 are borked
2915 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3139 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2916 */ 3140 */
2917 struct utsname buf; 3141 if (ev_linux_version () < 0x020619)
2918 int major, minor, micro;
2919
2920 if (uname (&buf))
2921 return; 3142 return;
2922 3143
2923 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2924 return;
2925
2926 if (major < 2
2927 || (major == 2 && minor < 6)
2928 || (major == 2 && minor == 6 && micro < 25))
2929 return;
2930
2931 fs_2625 = 1; 3144 fs_2625 = 1;
3145}
3146
3147inline_size int
3148infy_newfd (void)
3149{
3150#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
3151 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3152 if (fd >= 0)
3153 return fd;
3154#endif
3155 return inotify_init ();
2932} 3156}
2933 3157
2934inline_size void 3158inline_size void
2935infy_init (EV_P) 3159infy_init (EV_P)
2936{ 3160{
2937 if (fs_fd != -2) 3161 if (fs_fd != -2)
2938 return; 3162 return;
2939 3163
2940 fs_fd = -1; 3164 fs_fd = -1;
2941 3165
2942 check_2625 (EV_A); 3166 ev_check_2625 (EV_A);
2943 3167
2944 fs_fd = inotify_init (); 3168 fs_fd = infy_newfd ();
2945 3169
2946 if (fs_fd >= 0) 3170 if (fs_fd >= 0)
2947 { 3171 {
3172 fd_intern (fs_fd);
2948 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); 3173 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2949 ev_set_priority (&fs_w, EV_MAXPRI); 3174 ev_set_priority (&fs_w, EV_MAXPRI);
2950 ev_io_start (EV_A_ &fs_w); 3175 ev_io_start (EV_A_ &fs_w);
3176 ev_unref (EV_A);
2951 } 3177 }
2952} 3178}
2953 3179
2954inline_size void 3180inline_size void
2955infy_fork (EV_P) 3181infy_fork (EV_P)
… …
2957 int slot; 3183 int slot;
2958 3184
2959 if (fs_fd < 0) 3185 if (fs_fd < 0)
2960 return; 3186 return;
2961 3187
3188 ev_ref (EV_A);
3189 ev_io_stop (EV_A_ &fs_w);
2962 close (fs_fd); 3190 close (fs_fd);
2963 fs_fd = inotify_init (); 3191 fs_fd = infy_newfd ();
2964 3192
3193 if (fs_fd >= 0)
3194 {
3195 fd_intern (fs_fd);
3196 ev_io_set (&fs_w, fs_fd, EV_READ);
3197 ev_io_start (EV_A_ &fs_w);
3198 ev_unref (EV_A);
3199 }
3200
2965 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3201 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2966 { 3202 {
2967 WL w_ = fs_hash [slot].head; 3203 WL w_ = fs_hash [slot].head;
2968 fs_hash [slot].head = 0; 3204 fs_hash [slot].head = 0;
2969 3205
2970 while (w_) 3206 while (w_)
… …
2975 w->wd = -1; 3211 w->wd = -1;
2976 3212
2977 if (fs_fd >= 0) 3213 if (fs_fd >= 0)
2978 infy_add (EV_A_ w); /* re-add, no matter what */ 3214 infy_add (EV_A_ w); /* re-add, no matter what */
2979 else 3215 else
3216 {
3217 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3218 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2980 ev_timer_again (EV_A_ &w->timer); 3219 ev_timer_again (EV_A_ &w->timer);
3220 if (ev_is_active (&w->timer)) ev_unref (EV_A);
3221 }
2981 } 3222 }
2982 } 3223 }
2983} 3224}
2984 3225
2985#endif 3226#endif
… …
3002static void noinline 3243static void noinline
3003stat_timer_cb (EV_P_ ev_timer *w_, int revents) 3244stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3004{ 3245{
3005 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 3246 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3006 3247
3007 /* we copy this here each the time so that */ 3248 ev_statdata prev = w->attr;
3008 /* prev has the old value when the callback gets invoked */
3009 w->prev = w->attr;
3010 ev_stat_stat (EV_A_ w); 3249 ev_stat_stat (EV_A_ w);
3011 3250
3012 /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ 3251 /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3013 if ( 3252 if (
3014 w->prev.st_dev != w->attr.st_dev 3253 prev.st_dev != w->attr.st_dev
3015 || w->prev.st_ino != w->attr.st_ino 3254 || prev.st_ino != w->attr.st_ino
3016 || w->prev.st_mode != w->attr.st_mode 3255 || prev.st_mode != w->attr.st_mode
3017 || w->prev.st_nlink != w->attr.st_nlink 3256 || prev.st_nlink != w->attr.st_nlink
3018 || w->prev.st_uid != w->attr.st_uid 3257 || prev.st_uid != w->attr.st_uid
3019 || w->prev.st_gid != w->attr.st_gid 3258 || prev.st_gid != w->attr.st_gid
3020 || w->prev.st_rdev != w->attr.st_rdev 3259 || prev.st_rdev != w->attr.st_rdev
3021 || w->prev.st_size != w->attr.st_size 3260 || prev.st_size != w->attr.st_size
3022 || w->prev.st_atime != w->attr.st_atime 3261 || prev.st_atime != w->attr.st_atime
3023 || w->prev.st_mtime != w->attr.st_mtime 3262 || prev.st_mtime != w->attr.st_mtime
3024 || w->prev.st_ctime != w->attr.st_ctime 3263 || prev.st_ctime != w->attr.st_ctime
3025 ) { 3264 ) {
3265 /* we only update w->prev on actual differences */
3266 /* in case we test more often than invoke the callback, */
3267 /* to ensure that prev is always different to attr */
3268 w->prev = prev;
3269
3026 #if EV_USE_INOTIFY 3270 #if EV_USE_INOTIFY
3027 if (fs_fd >= 0) 3271 if (fs_fd >= 0)
3028 { 3272 {
3029 infy_del (EV_A_ w); 3273 infy_del (EV_A_ w);
3030 infy_add (EV_A_ w); 3274 infy_add (EV_A_ w);
… …
3055 3299
3056 if (fs_fd >= 0) 3300 if (fs_fd >= 0)
3057 infy_add (EV_A_ w); 3301 infy_add (EV_A_ w);
3058 else 3302 else
3059#endif 3303#endif
3304 {
3060 ev_timer_again (EV_A_ &w->timer); 3305 ev_timer_again (EV_A_ &w->timer);
3306 ev_unref (EV_A);
3307 }
3061 3308
3062 ev_start (EV_A_ (W)w, 1); 3309 ev_start (EV_A_ (W)w, 1);
3063 3310
3064 EV_FREQUENT_CHECK; 3311 EV_FREQUENT_CHECK;
3065} 3312}
… …
3074 EV_FREQUENT_CHECK; 3321 EV_FREQUENT_CHECK;
3075 3322
3076#if EV_USE_INOTIFY 3323#if EV_USE_INOTIFY
3077 infy_del (EV_A_ w); 3324 infy_del (EV_A_ w);
3078#endif 3325#endif
3326
3327 if (ev_is_active (&w->timer))
3328 {
3329 ev_ref (EV_A);
3079 ev_timer_stop (EV_A_ &w->timer); 3330 ev_timer_stop (EV_A_ &w->timer);
3331 }
3080 3332
3081 ev_stop (EV_A_ (W)w); 3333 ev_stop (EV_A_ (W)w);
3082 3334
3083 EV_FREQUENT_CHECK; 3335 EV_FREQUENT_CHECK;
3084} 3336}
… …
3129 3381
3130 EV_FREQUENT_CHECK; 3382 EV_FREQUENT_CHECK;
3131} 3383}
3132#endif 3384#endif
3133 3385
3386#if EV_PREPARE_ENABLE
3134void 3387void
3135ev_prepare_start (EV_P_ ev_prepare *w) 3388ev_prepare_start (EV_P_ ev_prepare *w)
3136{ 3389{
3137 if (expect_false (ev_is_active (w))) 3390 if (expect_false (ev_is_active (w)))
3138 return; 3391 return;
… …
3164 3417
3165 ev_stop (EV_A_ (W)w); 3418 ev_stop (EV_A_ (W)w);
3166 3419
3167 EV_FREQUENT_CHECK; 3420 EV_FREQUENT_CHECK;
3168} 3421}
3422#endif
3169 3423
3424#if EV_CHECK_ENABLE
3170void 3425void
3171ev_check_start (EV_P_ ev_check *w) 3426ev_check_start (EV_P_ ev_check *w)
3172{ 3427{
3173 if (expect_false (ev_is_active (w))) 3428 if (expect_false (ev_is_active (w)))
3174 return; 3429 return;
… …
3200 3455
3201 ev_stop (EV_A_ (W)w); 3456 ev_stop (EV_A_ (W)w);
3202 3457
3203 EV_FREQUENT_CHECK; 3458 EV_FREQUENT_CHECK;
3204} 3459}
3460#endif
3205 3461
3206#if EV_EMBED_ENABLE 3462#if EV_EMBED_ENABLE
3207void noinline 3463void noinline
3208ev_embed_sweep (EV_P_ ev_embed *w) 3464ev_embed_sweep (EV_P_ ev_embed *w)
3209{ 3465{
3210 ev_loop (w->other, EVLOOP_NONBLOCK); 3466 ev_run (w->other, EVRUN_NOWAIT);
3211} 3467}
3212 3468
3213static void 3469static void
3214embed_io_cb (EV_P_ ev_io *io, int revents) 3470embed_io_cb (EV_P_ ev_io *io, int revents)
3215{ 3471{
3216 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3472 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3217 3473
3218 if (ev_cb (w)) 3474 if (ev_cb (w))
3219 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3475 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3220 else 3476 else
3221 ev_loop (w->other, EVLOOP_NONBLOCK); 3477 ev_run (w->other, EVRUN_NOWAIT);
3222} 3478}
3223 3479
3224static void 3480static void
3225embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3481embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3226{ 3482{
3227 ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); 3483 ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare));
3228 3484
3229 { 3485 {
3230 struct ev_loop *loop = w->other; 3486 EV_P = w->other;
3231 3487
3232 while (fdchangecnt) 3488 while (fdchangecnt)
3233 { 3489 {
3234 fd_reify (EV_A); 3490 fd_reify (EV_A);
3235 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3491 ev_run (EV_A_ EVRUN_NOWAIT);
3236 } 3492 }
3237 } 3493 }
3238} 3494}
3239 3495
3240static void 3496static void
… …
3243 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork)); 3499 ev_embed *w = (ev_embed *)(((char *)fork_w) - offsetof (ev_embed, fork));
3244 3500
3245 ev_embed_stop (EV_A_ w); 3501 ev_embed_stop (EV_A_ w);
3246 3502
3247 { 3503 {
3248 struct ev_loop *loop = w->other; 3504 EV_P = w->other;
3249 3505
3250 ev_loop_fork (EV_A); 3506 ev_loop_fork (EV_A);
3251 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3507 ev_run (EV_A_ EVRUN_NOWAIT);
3252 } 3508 }
3253 3509
3254 ev_embed_start (EV_A_ w); 3510 ev_embed_start (EV_A_ w);
3255} 3511}
3256 3512
… …
3267{ 3523{
3268 if (expect_false (ev_is_active (w))) 3524 if (expect_false (ev_is_active (w)))
3269 return; 3525 return;
3270 3526
3271 { 3527 {
3272 struct ev_loop *loop = w->other; 3528 EV_P = w->other;
3273 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); 3529 assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
3274 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); 3530 ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ);
3275 } 3531 }
3276 3532
3277 EV_FREQUENT_CHECK; 3533 EV_FREQUENT_CHECK;
… …
3304 3560
3305 ev_io_stop (EV_A_ &w->io); 3561 ev_io_stop (EV_A_ &w->io);
3306 ev_prepare_stop (EV_A_ &w->prepare); 3562 ev_prepare_stop (EV_A_ &w->prepare);
3307 ev_fork_stop (EV_A_ &w->fork); 3563 ev_fork_stop (EV_A_ &w->fork);
3308 3564
3565 ev_stop (EV_A_ (W)w);
3566
3309 EV_FREQUENT_CHECK; 3567 EV_FREQUENT_CHECK;
3310} 3568}
3311#endif 3569#endif
3312 3570
3313#if EV_FORK_ENABLE 3571#if EV_FORK_ENABLE
… …
3346 3604
3347 EV_FREQUENT_CHECK; 3605 EV_FREQUENT_CHECK;
3348} 3606}
3349#endif 3607#endif
3350 3608
3351#if EV_ASYNC_ENABLE 3609#if EV_CLEANUP_ENABLE
3352void 3610void
3353ev_async_start (EV_P_ ev_async *w) 3611ev_cleanup_start (EV_P_ ev_cleanup *w)
3354{ 3612{
3355 if (expect_false (ev_is_active (w))) 3613 if (expect_false (ev_is_active (w)))
3356 return; 3614 return;
3615
3616 EV_FREQUENT_CHECK;
3617
3618 ev_start (EV_A_ (W)w, ++cleanupcnt);
3619 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3620 cleanups [cleanupcnt - 1] = w;
3621
3622 /* cleanup watchers should never keep a refcount on the loop */
3623 ev_unref (EV_A);
3624 EV_FREQUENT_CHECK;
3625}
3626
3627void
3628ev_cleanup_stop (EV_P_ ev_cleanup *w)
3629{
3630 clear_pending (EV_A_ (W)w);
3631 if (expect_false (!ev_is_active (w)))
3632 return;
3633
3634 EV_FREQUENT_CHECK;
3635 ev_ref (EV_A);
3636
3637 {
3638 int active = ev_active (w);
3639
3640 cleanups [active - 1] = cleanups [--cleanupcnt];
3641 ev_active (cleanups [active - 1]) = active;
3642 }
3643
3644 ev_stop (EV_A_ (W)w);
3645
3646 EV_FREQUENT_CHECK;
3647}
3648#endif
3649
3650#if EV_ASYNC_ENABLE
3651void
3652ev_async_start (EV_P_ ev_async *w)
3653{
3654 if (expect_false (ev_is_active (w)))
3655 return;
3656
3657 w->sent = 0;
3357 3658
3358 evpipe_init (EV_A); 3659 evpipe_init (EV_A);
3359 3660
3360 EV_FREQUENT_CHECK; 3661 EV_FREQUENT_CHECK;
3361 3662
… …
3389 3690
3390void 3691void
3391ev_async_send (EV_P_ ev_async *w) 3692ev_async_send (EV_P_ ev_async *w)
3392{ 3693{
3393 w->sent = 1; 3694 w->sent = 1;
3394 evpipe_write (EV_A_ &gotasync); 3695 evpipe_write (EV_A_ &async_pending);
3395} 3696}
3396#endif 3697#endif
3397 3698
3398/*****************************************************************************/ 3699/*****************************************************************************/
3399 3700
… …
3439{ 3740{
3440 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3741 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3441 3742
3442 if (expect_false (!once)) 3743 if (expect_false (!once))
3443 { 3744 {
3444 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3745 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3445 return; 3746 return;
3446 } 3747 }
3447 3748
3448 once->cb = cb; 3749 once->cb = cb;
3449 once->arg = arg; 3750 once->arg = arg;
… …
3536 if (types & EV_ASYNC) 3837 if (types & EV_ASYNC)
3537 for (i = asynccnt; i--; ) 3838 for (i = asynccnt; i--; )
3538 cb (EV_A_ EV_ASYNC, asyncs [i]); 3839 cb (EV_A_ EV_ASYNC, asyncs [i]);
3539#endif 3840#endif
3540 3841
3842#if EV_PREPARE_ENABLE
3541 if (types & EV_PREPARE) 3843 if (types & EV_PREPARE)
3542 for (i = preparecnt; i--; ) 3844 for (i = preparecnt; i--; )
3543#if EV_EMBED_ENABLE 3845# if EV_EMBED_ENABLE
3544 if (ev_cb (prepares [i]) != embed_prepare_cb) 3846 if (ev_cb (prepares [i]) != embed_prepare_cb)
3545#endif 3847# endif
3546 cb (EV_A_ EV_PREPARE, prepares [i]); 3848 cb (EV_A_ EV_PREPARE, prepares [i]);
3849#endif
3547 3850
3851#if EV_CHECK_ENABLE
3548 if (types & EV_CHECK) 3852 if (types & EV_CHECK)
3549 for (i = checkcnt; i--; ) 3853 for (i = checkcnt; i--; )
3550 cb (EV_A_ EV_CHECK, checks [i]); 3854 cb (EV_A_ EV_CHECK, checks [i]);
3855#endif
3551 3856
3857#if EV_SIGNAL_ENABLE
3552 if (types & EV_SIGNAL) 3858 if (types & EV_SIGNAL)
3553 for (i = 0; i < signalmax; ++i) 3859 for (i = 0; i < EV_NSIG - 1; ++i)
3554 for (wl = signals [i].head; wl; ) 3860 for (wl = signals [i].head; wl; )
3555 { 3861 {
3556 wn = wl->next; 3862 wn = wl->next;
3557 cb (EV_A_ EV_SIGNAL, wl); 3863 cb (EV_A_ EV_SIGNAL, wl);
3558 wl = wn; 3864 wl = wn;
3559 } 3865 }
3866#endif
3560 3867
3868#if EV_CHILD_ENABLE
3561 if (types & EV_CHILD) 3869 if (types & EV_CHILD)
3562 for (i = EV_PID_HASHSIZE; i--; ) 3870 for (i = (EV_PID_HASHSIZE); i--; )
3563 for (wl = childs [i]; wl; ) 3871 for (wl = childs [i]; wl; )
3564 { 3872 {
3565 wn = wl->next; 3873 wn = wl->next;
3566 cb (EV_A_ EV_CHILD, wl); 3874 cb (EV_A_ EV_CHILD, wl);
3567 wl = wn; 3875 wl = wn;
3568 } 3876 }
3877#endif
3569/* EV_STAT 0x00001000 /* stat data changed */ 3878/* EV_STAT 0x00001000 /* stat data changed */
3570/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 3879/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3571} 3880}
3572#endif 3881#endif
3573 3882
3574#if EV_MULTIPLICITY 3883#if EV_MULTIPLICITY
3575 #include "ev_wrap.h" 3884 #include "ev_wrap.h"
3576#endif 3885#endif
3577 3886
3578#ifdef __cplusplus 3887EV_CPP(})
3579}
3580#endif
3581 3888

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