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Comparing libev/ev.c (file contents):
Revision 1.317 by root, Sat Nov 14 00:15:21 2009 UTC vs.
Revision 1.364 by root, Sun Oct 24 21:51:03 2010 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
35 * and other provisions required by the GPL. If you do not delete the 35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under 36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL. 37 * either the BSD or the GPL.
38 */ 38 */
39 39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44/* this big block deduces configuration from config.h */ 40/* this big block deduces configuration from config.h */
45#ifndef EV_STANDALONE 41#ifndef EV_STANDALONE
46# ifdef EV_CONFIG_H 42# ifdef EV_CONFIG_H
47# include EV_CONFIG_H 43# include EV_CONFIG_H
48# else 44# else
… …
77# ifndef EV_USE_REALTIME 73# ifndef EV_USE_REALTIME
78# define EV_USE_REALTIME 0 74# define EV_USE_REALTIME 0
79# endif 75# endif
80# endif 76# endif
81 77
78# if HAVE_NANOSLEEP
82# ifndef EV_USE_NANOSLEEP 79# ifndef EV_USE_NANOSLEEP
83# if HAVE_NANOSLEEP
84# define EV_USE_NANOSLEEP 1 80# define EV_USE_NANOSLEEP EV_FEATURE_OS
81# endif
85# else 82# else
83# undef EV_USE_NANOSLEEP
86# define EV_USE_NANOSLEEP 0 84# define EV_USE_NANOSLEEP 0
85# endif
86
87# if HAVE_SELECT && HAVE_SYS_SELECT_H
88# ifndef EV_USE_SELECT
89# define EV_USE_SELECT EV_FEATURE_BACKENDS
87# endif 90# endif
91# else
92# undef EV_USE_SELECT
93# define EV_USE_SELECT 0
88# endif 94# endif
89 95
96# if HAVE_POLL && HAVE_POLL_H
90# ifndef EV_USE_SELECT 97# ifndef EV_USE_POLL
91# if HAVE_SELECT && HAVE_SYS_SELECT_H 98# define EV_USE_POLL EV_FEATURE_BACKENDS
92# define EV_USE_SELECT 1
93# else
94# define EV_USE_SELECT 0
95# endif 99# endif
96# endif
97
98# ifndef EV_USE_POLL
99# if HAVE_POLL && HAVE_POLL_H
100# define EV_USE_POLL 1
101# else 100# else
101# undef EV_USE_POLL
102# define EV_USE_POLL 0 102# define EV_USE_POLL 0
103# endif
104# endif 103# endif
105 104
106# ifndef EV_USE_EPOLL
107# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 105# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108# define EV_USE_EPOLL 1 106# ifndef EV_USE_EPOLL
109# else 107# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110# define EV_USE_EPOLL 0
111# endif 108# endif
109# else
110# undef EV_USE_EPOLL
111# define EV_USE_EPOLL 0
112# endif 112# endif
113 113
114# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
114# ifndef EV_USE_KQUEUE 115# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H 116# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
116# define EV_USE_KQUEUE 1
117# else
118# define EV_USE_KQUEUE 0
119# endif 117# endif
118# else
119# undef EV_USE_KQUEUE
120# define EV_USE_KQUEUE 0
120# endif 121# endif
121 122
122# ifndef EV_USE_PORT
123# if HAVE_PORT_H && HAVE_PORT_CREATE 123# if HAVE_PORT_H && HAVE_PORT_CREATE
124# define EV_USE_PORT 1 124# ifndef EV_USE_PORT
125# else 125# define EV_USE_PORT EV_FEATURE_BACKENDS
126# define EV_USE_PORT 0
127# endif 126# endif
127# else
128# undef EV_USE_PORT
129# define EV_USE_PORT 0
128# endif 130# endif
129 131
130# ifndef EV_USE_INOTIFY
131# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H 132# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132# define EV_USE_INOTIFY 1 133# ifndef EV_USE_INOTIFY
133# else
134# define EV_USE_INOTIFY 0 134# define EV_USE_INOTIFY EV_FEATURE_OS
135# endif 135# endif
136# else
137# undef EV_USE_INOTIFY
138# define EV_USE_INOTIFY 0
136# endif 139# endif
137 140
138# ifndef EV_USE_SIGNALFD
139# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H 141# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140# define EV_USE_SIGNALFD 1 142# ifndef EV_USE_SIGNALFD
141# else
142# define EV_USE_SIGNALFD 0 143# define EV_USE_SIGNALFD EV_FEATURE_OS
143# endif 144# endif
145# else
146# undef EV_USE_SIGNALFD
147# define EV_USE_SIGNALFD 0
144# endif 148# endif
145 149
150# if HAVE_EVENTFD
146# ifndef EV_USE_EVENTFD 151# ifndef EV_USE_EVENTFD
147# if HAVE_EVENTFD
148# define EV_USE_EVENTFD 1 152# define EV_USE_EVENTFD EV_FEATURE_OS
149# else
150# define EV_USE_EVENTFD 0
151# endif 153# endif
154# else
155# undef EV_USE_EVENTFD
156# define EV_USE_EVENTFD 0
152# endif 157# endif
153 158
154#endif 159#endif
155 160
156#include <math.h> 161#include <math.h>
157#include <stdlib.h> 162#include <stdlib.h>
163#include <string.h>
158#include <fcntl.h> 164#include <fcntl.h>
159#include <stddef.h> 165#include <stddef.h>
160 166
161#include <stdio.h> 167#include <stdio.h>
162 168
163#include <assert.h> 169#include <assert.h>
164#include <errno.h> 170#include <errno.h>
165#include <sys/types.h> 171#include <sys/types.h>
166#include <time.h> 172#include <time.h>
173#include <limits.h>
167 174
168#include <signal.h> 175#include <signal.h>
169 176
170#ifdef EV_H 177#ifdef EV_H
171# include EV_H 178# include EV_H
172#else 179#else
173# include "ev.h" 180# include "ev.h"
174#endif 181#endif
182
183EV_CPP(extern "C" {)
175 184
176#ifndef _WIN32 185#ifndef _WIN32
177# include <sys/time.h> 186# include <sys/time.h>
178# include <sys/wait.h> 187# include <sys/wait.h>
179# include <unistd.h> 188# include <unistd.h>
… …
182# define WIN32_LEAN_AND_MEAN 191# define WIN32_LEAN_AND_MEAN
183# include <windows.h> 192# include <windows.h>
184# ifndef EV_SELECT_IS_WINSOCKET 193# ifndef EV_SELECT_IS_WINSOCKET
185# define EV_SELECT_IS_WINSOCKET 1 194# define EV_SELECT_IS_WINSOCKET 1
186# endif 195# endif
196# undef EV_AVOID_STDIO
187#endif 197#endif
198
199/* OS X, in its infinite idiocy, actually HARDCODES
200 * a limit of 1024 into their select. Where people have brains,
201 * OS X engineers apparently have a vacuum. Or maybe they were
202 * ordered to have a vacuum, or they do anything for money.
203 * This might help. Or not.
204 */
205#define _DARWIN_UNLIMITED_SELECT 1
188 206
189/* this block tries to deduce configuration from header-defined symbols and defaults */ 207/* this block tries to deduce configuration from header-defined symbols and defaults */
190 208
191/* try to deduce the maximum number of signals on this platform */ 209/* try to deduce the maximum number of signals on this platform */
192#if defined (EV_NSIG) 210#if defined (EV_NSIG)
… …
204#elif defined (MAXSIG) 222#elif defined (MAXSIG)
205# define EV_NSIG (MAXSIG+1) 223# define EV_NSIG (MAXSIG+1)
206#elif defined (MAX_SIG) 224#elif defined (MAX_SIG)
207# define EV_NSIG (MAX_SIG+1) 225# define EV_NSIG (MAX_SIG+1)
208#elif defined (SIGARRAYSIZE) 226#elif defined (SIGARRAYSIZE)
209# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 227# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
210#elif defined (_sys_nsig) 228#elif defined (_sys_nsig)
211# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 229# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
212#else 230#else
213# error "unable to find value for NSIG, please report" 231# error "unable to find value for NSIG, please report"
214/* to make it compile regardless, just remove the above line */ 232/* to make it compile regardless, just remove the above line, */
233/* but consider reporting it, too! :) */
215# define EV_NSIG 65 234# define EV_NSIG 65
216#endif 235#endif
217 236
218#ifndef EV_USE_CLOCK_SYSCALL 237#ifndef EV_USE_CLOCK_SYSCALL
219# if __linux && __GLIBC__ >= 2 238# if __linux && __GLIBC__ >= 2
220# define EV_USE_CLOCK_SYSCALL 1 239# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
221# else 240# else
222# define EV_USE_CLOCK_SYSCALL 0 241# define EV_USE_CLOCK_SYSCALL 0
223# endif 242# endif
224#endif 243#endif
225 244
226#ifndef EV_USE_MONOTONIC 245#ifndef EV_USE_MONOTONIC
227# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 246# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
228# define EV_USE_MONOTONIC 1 247# define EV_USE_MONOTONIC EV_FEATURE_OS
229# else 248# else
230# define EV_USE_MONOTONIC 0 249# define EV_USE_MONOTONIC 0
231# endif 250# endif
232#endif 251#endif
233 252
… …
235# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 254# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
236#endif 255#endif
237 256
238#ifndef EV_USE_NANOSLEEP 257#ifndef EV_USE_NANOSLEEP
239# if _POSIX_C_SOURCE >= 199309L 258# if _POSIX_C_SOURCE >= 199309L
240# define EV_USE_NANOSLEEP 1 259# define EV_USE_NANOSLEEP EV_FEATURE_OS
241# else 260# else
242# define EV_USE_NANOSLEEP 0 261# define EV_USE_NANOSLEEP 0
243# endif 262# endif
244#endif 263#endif
245 264
246#ifndef EV_USE_SELECT 265#ifndef EV_USE_SELECT
247# define EV_USE_SELECT 1 266# define EV_USE_SELECT EV_FEATURE_BACKENDS
248#endif 267#endif
249 268
250#ifndef EV_USE_POLL 269#ifndef EV_USE_POLL
251# ifdef _WIN32 270# ifdef _WIN32
252# define EV_USE_POLL 0 271# define EV_USE_POLL 0
253# else 272# else
254# define EV_USE_POLL 1 273# define EV_USE_POLL EV_FEATURE_BACKENDS
255# endif 274# endif
256#endif 275#endif
257 276
258#ifndef EV_USE_EPOLL 277#ifndef EV_USE_EPOLL
259# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 278# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
260# define EV_USE_EPOLL 1 279# define EV_USE_EPOLL EV_FEATURE_BACKENDS
261# else 280# else
262# define EV_USE_EPOLL 0 281# define EV_USE_EPOLL 0
263# endif 282# endif
264#endif 283#endif
265 284
… …
271# define EV_USE_PORT 0 290# define EV_USE_PORT 0
272#endif 291#endif
273 292
274#ifndef EV_USE_INOTIFY 293#ifndef EV_USE_INOTIFY
275# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 294# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
276# define EV_USE_INOTIFY 1 295# define EV_USE_INOTIFY EV_FEATURE_OS
277# else 296# else
278# define EV_USE_INOTIFY 0 297# define EV_USE_INOTIFY 0
279# endif 298# endif
280#endif 299#endif
281 300
282#ifndef EV_PID_HASHSIZE 301#ifndef EV_PID_HASHSIZE
283# if EV_MINIMAL 302# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
284# define EV_PID_HASHSIZE 1
285# else
286# define EV_PID_HASHSIZE 16
287# endif
288#endif 303#endif
289 304
290#ifndef EV_INOTIFY_HASHSIZE 305#ifndef EV_INOTIFY_HASHSIZE
291# if EV_MINIMAL 306# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
292# define EV_INOTIFY_HASHSIZE 1
293# else
294# define EV_INOTIFY_HASHSIZE 16
295# endif
296#endif 307#endif
297 308
298#ifndef EV_USE_EVENTFD 309#ifndef EV_USE_EVENTFD
299# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 310# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
300# define EV_USE_EVENTFD 1 311# define EV_USE_EVENTFD EV_FEATURE_OS
301# else 312# else
302# define EV_USE_EVENTFD 0 313# define EV_USE_EVENTFD 0
303# endif 314# endif
304#endif 315#endif
305 316
306#ifndef EV_USE_SIGNALFD 317#ifndef EV_USE_SIGNALFD
307# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 318# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
308# define EV_USE_SIGNALFD 1 319# define EV_USE_SIGNALFD EV_FEATURE_OS
309# else 320# else
310# define EV_USE_SIGNALFD 0 321# define EV_USE_SIGNALFD 0
311# endif 322# endif
312#endif 323#endif
313 324
… …
316# define EV_USE_4HEAP 1 327# define EV_USE_4HEAP 1
317# define EV_HEAP_CACHE_AT 1 328# define EV_HEAP_CACHE_AT 1
318#endif 329#endif
319 330
320#ifndef EV_VERIFY 331#ifndef EV_VERIFY
321# define EV_VERIFY !EV_MINIMAL 332# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
322#endif 333#endif
323 334
324#ifndef EV_USE_4HEAP 335#ifndef EV_USE_4HEAP
325# define EV_USE_4HEAP !EV_MINIMAL 336# define EV_USE_4HEAP EV_FEATURE_DATA
326#endif 337#endif
327 338
328#ifndef EV_HEAP_CACHE_AT 339#ifndef EV_HEAP_CACHE_AT
329# define EV_HEAP_CACHE_AT !EV_MINIMAL 340# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
330#endif 341#endif
331 342
332/* 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, */
333/* which makes programs even slower. might work on other unices, too. */ 344/* which makes programs even slower. might work on other unices, too. */
334#if EV_USE_CLOCK_SYSCALL 345#if EV_USE_CLOCK_SYSCALL
… …
343# endif 354# endif
344#endif 355#endif
345 356
346/* 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 */
347 358
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
348#ifndef CLOCK_MONOTONIC 365#ifndef CLOCK_MONOTONIC
349# undef EV_USE_MONOTONIC 366# undef EV_USE_MONOTONIC
350# define EV_USE_MONOTONIC 0 367# define EV_USE_MONOTONIC 0
351#endif 368#endif
352 369
… …
365# include <sys/select.h> 382# include <sys/select.h>
366# endif 383# endif
367#endif 384#endif
368 385
369#if EV_USE_INOTIFY 386#if EV_USE_INOTIFY
370# include <sys/utsname.h>
371# include <sys/statfs.h> 387# include <sys/statfs.h>
372# include <sys/inotify.h> 388# include <sys/inotify.h>
373/* 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 */
374# ifndef IN_DONT_FOLLOW 390# ifndef IN_DONT_FOLLOW
375# undef EV_USE_INOTIFY 391# undef EV_USE_INOTIFY
… …
392# define EFD_CLOEXEC O_CLOEXEC 408# define EFD_CLOEXEC O_CLOEXEC
393# else 409# else
394# define EFD_CLOEXEC 02000000 410# define EFD_CLOEXEC 02000000
395# endif 411# endif
396# endif 412# endif
397# ifdef __cplusplus
398extern "C" {
399# endif
400int eventfd (unsigned int initval, int flags); 413EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
401# ifdef __cplusplus
402}
403# endif
404#endif 414#endif
405 415
406#if EV_USE_SIGNALFD 416#if EV_USE_SIGNALFD
407/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
408# include <stdint.h> 418# include <stdint.h>
… …
414# define SFD_CLOEXEC O_CLOEXEC 424# define SFD_CLOEXEC O_CLOEXEC
415# else 425# else
416# define SFD_CLOEXEC 02000000 426# define SFD_CLOEXEC 02000000
417# endif 427# endif
418# endif 428# endif
419# ifdef __cplusplus
420extern "C" {
421# endif
422int signalfd (int fd, const sigset_t *mask, int flags); 429EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
423 430
424struct signalfd_siginfo 431struct signalfd_siginfo
425{ 432{
426 uint32_t ssi_signo; 433 uint32_t ssi_signo;
427 char pad[128 - sizeof (uint32_t)]; 434 char pad[128 - sizeof (uint32_t)];
428}; 435};
429# ifdef __cplusplus
430}
431# endif 436#endif
432#endif
433
434 437
435/**/ 438/**/
436 439
437#if EV_VERIFY >= 3 440#if EV_VERIFY >= 3
438# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 441# define EV_FREQUENT_CHECK ev_verify (EV_A)
439#else 442#else
440# define EV_FREQUENT_CHECK do { } while (0) 443# define EV_FREQUENT_CHECK do { } while (0)
441#endif 444#endif
442 445
443/* 446/*
… …
451#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 454#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
452 455
453#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) */
454#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) */
455 458
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)
461
456#if __GNUC__ >= 4 462#if __GNUC__ >= 4
457# define expect(expr,value) __builtin_expect ((expr),(value)) 463# define expect(expr,value) __builtin_expect ((expr),(value))
458# define noinline __attribute__ ((noinline)) 464# define noinline __attribute__ ((noinline))
459#else 465#else
460# define expect(expr,value) (expr) 466# define expect(expr,value) (expr)
… …
466 472
467#define expect_false(expr) expect ((expr) != 0, 0) 473#define expect_false(expr) expect ((expr) != 0, 0)
468#define expect_true(expr) expect ((expr) != 0, 1) 474#define expect_true(expr) expect ((expr) != 0, 1)
469#define inline_size static inline 475#define inline_size static inline
470 476
471#if EV_MINIMAL 477#if EV_FEATURE_CODE
478# define inline_speed static inline
479#else
472# define inline_speed static noinline 480# define inline_speed static noinline
473#else
474# define inline_speed static inline
475#endif 481#endif
476 482
477#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 483#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
478 484
479#if EV_MINPRI == EV_MAXPRI 485#if EV_MINPRI == EV_MAXPRI
… …
492#define ev_active(w) ((W)(w))->active 498#define ev_active(w) ((W)(w))->active
493#define ev_at(w) ((WT)(w))->at 499#define ev_at(w) ((WT)(w))->at
494 500
495#if EV_USE_REALTIME 501#if EV_USE_REALTIME
496/* 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 */
497/* giving it a reasonably high chance of working on typical architetcures */ 503/* giving it a reasonably high chance of working on typical architectures */
498static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 504static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
499#endif 505#endif
500 506
501#if EV_USE_MONOTONIC 507#if EV_USE_MONOTONIC
502static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 508static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
… …
504 510
505#ifndef EV_FD_TO_WIN32_HANDLE 511#ifndef EV_FD_TO_WIN32_HANDLE
506# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) 512# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
507#endif 513#endif
508#ifndef EV_WIN32_HANDLE_TO_FD 514#ifndef EV_WIN32_HANDLE_TO_FD
509# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) 515# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
510#endif 516#endif
511#ifndef EV_WIN32_CLOSE_FD 517#ifndef EV_WIN32_CLOSE_FD
512# define EV_WIN32_CLOSE_FD(fd) close (fd) 518# define EV_WIN32_CLOSE_FD(fd) close (fd)
513#endif 519#endif
514 520
515#ifdef _WIN32 521#ifdef _WIN32
516# include "ev_win32.c" 522# include "ev_win32.c"
517#endif 523#endif
518 524
519/*****************************************************************************/ 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
520 576
521static void (*syserr_cb)(const char *msg); 577static void (*syserr_cb)(const char *msg);
522 578
523void 579void
524ev_set_syserr_cb (void (*cb)(const char *msg)) 580ev_set_syserr_cb (void (*cb)(const char *msg))
… …
534 590
535 if (syserr_cb) 591 if (syserr_cb)
536 syserr_cb (msg); 592 syserr_cb (msg);
537 else 593 else
538 { 594 {
595#if EV_AVOID_STDIO
596 const char *err = strerror (errno);
597
598 ev_printerr (msg);
599 ev_printerr (": ");
600 ev_printerr (err);
601 ev_printerr ("\n");
602#else
539 perror (msg); 603 perror (msg);
604#endif
540 abort (); 605 abort ();
541 } 606 }
542} 607}
543 608
544static void * 609static void *
545ev_realloc_emul (void *ptr, long size) 610ev_realloc_emul (void *ptr, long size)
546{ 611{
612#if __GLIBC__
613 return realloc (ptr, size);
614#else
547 /* some systems, notably openbsd and darwin, fail to properly 615 /* some systems, notably openbsd and darwin, fail to properly
548 * implement realloc (x, 0) (as required by both ansi c-98 and 616 * implement realloc (x, 0) (as required by both ansi c-89 and
549 * the single unix specification, so work around them here. 617 * the single unix specification, so work around them here.
550 */ 618 */
551 619
552 if (size) 620 if (size)
553 return realloc (ptr, size); 621 return realloc (ptr, size);
554 622
555 free (ptr); 623 free (ptr);
556 return 0; 624 return 0;
625#endif
557} 626}
558 627
559static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 628static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
560 629
561void 630void
… …
569{ 638{
570 ptr = alloc (ptr, size); 639 ptr = alloc (ptr, size);
571 640
572 if (!ptr && size) 641 if (!ptr && size)
573 { 642 {
643#if EV_AVOID_STDIO
644 ev_printerr ("libev: memory allocation failed, aborting.\n");
645#else
574 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 646 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
647#endif
575 abort (); 648 abort ();
576 } 649 }
577 650
578 return ptr; 651 return ptr;
579} 652}
… …
595 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 668 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
596 unsigned char unused; 669 unsigned char unused;
597#if EV_USE_EPOLL 670#if EV_USE_EPOLL
598 unsigned int egen; /* generation counter to counter epoll bugs */ 671 unsigned int egen; /* generation counter to counter epoll bugs */
599#endif 672#endif
600#if EV_SELECT_IS_WINSOCKET 673#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
601 SOCKET handle; 674 SOCKET handle;
675#endif
676#if EV_USE_IOCP
677 OVERLAPPED or, ow;
602#endif 678#endif
603} ANFD; 679} ANFD;
604 680
605/* stores the pending event set for a given watcher */ 681/* stores the pending event set for a given watcher */
606typedef struct 682typedef struct
… …
661 737
662 static int ev_default_loop_ptr; 738 static int ev_default_loop_ptr;
663 739
664#endif 740#endif
665 741
666#if EV_MINIMAL < 2 742#if EV_FEATURE_API
667# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 743# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
668# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 744# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
669# define EV_INVOKE_PENDING invoke_cb (EV_A) 745# define EV_INVOKE_PENDING invoke_cb (EV_A)
670#else 746#else
671# define EV_RELEASE_CB (void)0 747# define EV_RELEASE_CB (void)0
672# define EV_ACQUIRE_CB (void)0 748# define EV_ACQUIRE_CB (void)0
673# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 749# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
674#endif 750#endif
675 751
676#define EVUNLOOP_RECURSE 0x80 752#define EVBREAK_RECURSE 0x80
677 753
678/*****************************************************************************/ 754/*****************************************************************************/
679 755
680#ifndef EV_HAVE_EV_TIME 756#ifndef EV_HAVE_EV_TIME
681ev_tstamp 757ev_tstamp
… …
725 if (delay > 0.) 801 if (delay > 0.)
726 { 802 {
727#if EV_USE_NANOSLEEP 803#if EV_USE_NANOSLEEP
728 struct timespec ts; 804 struct timespec ts;
729 805
730 ts.tv_sec = (time_t)delay; 806 EV_TS_SET (ts, delay);
731 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
732
733 nanosleep (&ts, 0); 807 nanosleep (&ts, 0);
734#elif defined(_WIN32) 808#elif defined(_WIN32)
735 Sleep ((unsigned long)(delay * 1e3)); 809 Sleep ((unsigned long)(delay * 1e3));
736#else 810#else
737 struct timeval tv; 811 struct timeval tv;
738 812
739 tv.tv_sec = (time_t)delay;
740 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
741
742 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 813 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
743 /* something not guaranteed by newer posix versions, but guaranteed */ 814 /* something not guaranteed by newer posix versions, but guaranteed */
744 /* by older ones */ 815 /* by older ones */
816 EV_TV_SET (tv, delay);
745 select (0, 0, 0, 0, &tv); 817 select (0, 0, 0, 0, &tv);
746#endif 818#endif
747 } 819 }
748} 820}
749 821
750/*****************************************************************************/ 822/*****************************************************************************/
751 823
752#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 824#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
753 825
754/* find a suitable new size for the given array, */ 826/* find a suitable new size for the given array, */
755/* hopefully by rounding to a ncie-to-malloc size */ 827/* hopefully by rounding to a nice-to-malloc size */
756inline_size int 828inline_size int
757array_nextsize (int elem, int cur, int cnt) 829array_nextsize (int elem, int cur, int cnt)
758{ 830{
759 int ncur = cur + 1; 831 int ncur = cur + 1;
760 832
… …
856} 928}
857 929
858/*****************************************************************************/ 930/*****************************************************************************/
859 931
860inline_speed void 932inline_speed void
861fd_event_nc (EV_P_ int fd, int revents) 933fd_event_nocheck (EV_P_ int fd, int revents)
862{ 934{
863 ANFD *anfd = anfds + fd; 935 ANFD *anfd = anfds + fd;
864 ev_io *w; 936 ev_io *w;
865 937
866 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 938 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
… …
878fd_event (EV_P_ int fd, int revents) 950fd_event (EV_P_ int fd, int revents)
879{ 951{
880 ANFD *anfd = anfds + fd; 952 ANFD *anfd = anfds + fd;
881 953
882 if (expect_true (!anfd->reify)) 954 if (expect_true (!anfd->reify))
883 fd_event_nc (EV_A_ fd, revents); 955 fd_event_nocheck (EV_A_ fd, revents);
884} 956}
885 957
886void 958void
887ev_feed_fd_event (EV_P_ int fd, int revents) 959ev_feed_fd_event (EV_P_ int fd, int revents)
888{ 960{
889 if (fd >= 0 && fd < anfdmax) 961 if (fd >= 0 && fd < anfdmax)
890 fd_event_nc (EV_A_ fd, revents); 962 fd_event_nocheck (EV_A_ fd, revents);
891} 963}
892 964
893/* make sure the external fd watch events are in-sync */ 965/* make sure the external fd watch events are in-sync */
894/* with the kernel/libev internal state */ 966/* with the kernel/libev internal state */
895inline_size void 967inline_size void
… …
901 { 973 {
902 int fd = fdchanges [i]; 974 int fd = fdchanges [i];
903 ANFD *anfd = anfds + fd; 975 ANFD *anfd = anfds + fd;
904 ev_io *w; 976 ev_io *w;
905 977
906 unsigned char events = 0; 978 unsigned char o_events = anfd->events;
979 unsigned char o_reify = anfd->reify;
907 980
908 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 981 anfd->reify = 0;
909 events |= (unsigned char)w->events;
910 982
911#if EV_SELECT_IS_WINSOCKET 983#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
912 if (events) 984 if (o_reify & EV__IOFDSET)
913 { 985 {
914 unsigned long arg; 986 unsigned long arg;
915 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 987 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
916 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 988 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
989 printf ("oi %d %x\n", fd, anfd->handle);//D
917 } 990 }
918#endif 991#endif
919 992
993 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
920 { 994 {
921 unsigned char o_events = anfd->events;
922 unsigned char o_reify = anfd->reify;
923
924 anfd->reify = 0;
925 anfd->events = events; 995 anfd->events = 0;
926 996
927 if (o_events != events || o_reify & EV__IOFDSET) 997 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
998 anfd->events |= (unsigned char)w->events;
999
1000 if (o_events != anfd->events)
1001 o_reify = EV__IOFDSET; /* actually |= */
1002 }
1003
1004 if (o_reify & EV__IOFDSET)
928 backend_modify (EV_A_ fd, o_events, events); 1005 backend_modify (EV_A_ fd, o_events, anfd->events);
929 }
930 } 1006 }
931 1007
932 fdchangecnt = 0; 1008 fdchangecnt = 0;
933} 1009}
934 1010
… …
958 ev_io_stop (EV_A_ w); 1034 ev_io_stop (EV_A_ w);
959 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1035 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
960 } 1036 }
961} 1037}
962 1038
963/* check whether the given fd is atcually valid, for error recovery */ 1039/* check whether the given fd is actually valid, for error recovery */
964inline_size int 1040inline_size int
965fd_valid (int fd) 1041fd_valid (int fd)
966{ 1042{
967#ifdef _WIN32 1043#ifdef _WIN32
968 return _get_osfhandle (fd) != -1; 1044 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
969#else 1045#else
970 return fcntl (fd, F_GETFD) != -1; 1046 return fcntl (fd, F_GETFD) != -1;
971#endif 1047#endif
972} 1048}
973 1049
… …
1010 anfds [fd].emask = 0; 1086 anfds [fd].emask = 0;
1011 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1087 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
1012 } 1088 }
1013} 1089}
1014 1090
1091/* used to prepare libev internal fd's */
1092/* this is not fork-safe */
1093inline_speed void
1094fd_intern (int fd)
1095{
1096#ifdef _WIN32
1097 unsigned long arg = 1;
1098 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1099#else
1100 fcntl (fd, F_SETFD, FD_CLOEXEC);
1101 fcntl (fd, F_SETFL, O_NONBLOCK);
1102#endif
1103}
1104
1015/*****************************************************************************/ 1105/*****************************************************************************/
1016 1106
1017/* 1107/*
1018 * the heap functions want a real array index. array index 0 uis guaranteed to not 1108 * the heap functions want a real array index. array index 0 is guaranteed to not
1019 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives 1109 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1020 * the branching factor of the d-tree. 1110 * the branching factor of the d-tree.
1021 */ 1111 */
1022 1112
1023/* 1113/*
… …
1171 1261
1172static ANSIG signals [EV_NSIG - 1]; 1262static ANSIG signals [EV_NSIG - 1];
1173 1263
1174/*****************************************************************************/ 1264/*****************************************************************************/
1175 1265
1176/* used to prepare libev internal fd's */ 1266#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1177/* this is not fork-safe */
1178inline_speed void
1179fd_intern (int fd)
1180{
1181#ifdef _WIN32
1182 unsigned long arg = 1;
1183 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1184#else
1185 fcntl (fd, F_SETFD, FD_CLOEXEC);
1186 fcntl (fd, F_SETFL, O_NONBLOCK);
1187#endif
1188}
1189 1267
1190static void noinline 1268static void noinline
1191evpipe_init (EV_P) 1269evpipe_init (EV_P)
1192{ 1270{
1193 if (!ev_is_active (&pipe_w)) 1271 if (!ev_is_active (&pipe_w))
1194 { 1272 {
1195#if EV_USE_EVENTFD 1273# if EV_USE_EVENTFD
1196 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1274 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1197 if (evfd < 0 && errno == EINVAL) 1275 if (evfd < 0 && errno == EINVAL)
1198 evfd = eventfd (0, 0); 1276 evfd = eventfd (0, 0);
1199 1277
1200 if (evfd >= 0) 1278 if (evfd >= 0)
… …
1202 evpipe [0] = -1; 1280 evpipe [0] = -1;
1203 fd_intern (evfd); /* doing it twice doesn't hurt */ 1281 fd_intern (evfd); /* doing it twice doesn't hurt */
1204 ev_io_set (&pipe_w, evfd, EV_READ); 1282 ev_io_set (&pipe_w, evfd, EV_READ);
1205 } 1283 }
1206 else 1284 else
1207#endif 1285# endif
1208 { 1286 {
1209 while (pipe (evpipe)) 1287 while (pipe (evpipe))
1210 ev_syserr ("(libev) error creating signal/async pipe"); 1288 ev_syserr ("(libev) error creating signal/async pipe");
1211 1289
1212 fd_intern (evpipe [0]); 1290 fd_intern (evpipe [0]);
… …
1223evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1301evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1224{ 1302{
1225 if (!*flag) 1303 if (!*flag)
1226 { 1304 {
1227 int old_errno = errno; /* save errno because write might clobber it */ 1305 int old_errno = errno; /* save errno because write might clobber it */
1306 char dummy;
1228 1307
1229 *flag = 1; 1308 *flag = 1;
1230 1309
1231#if EV_USE_EVENTFD 1310#if EV_USE_EVENTFD
1232 if (evfd >= 0) 1311 if (evfd >= 0)
… …
1234 uint64_t counter = 1; 1313 uint64_t counter = 1;
1235 write (evfd, &counter, sizeof (uint64_t)); 1314 write (evfd, &counter, sizeof (uint64_t));
1236 } 1315 }
1237 else 1316 else
1238#endif 1317#endif
1318 /* win32 people keep sending patches that change this write() to send() */
1319 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1320 /* so when you think this write should be a send instead, please find out */
1321 /* where your send() is from - it's definitely not the microsoft send, and */
1322 /* tell me. thank you. */
1239 write (evpipe [1], &old_errno, 1); 1323 write (evpipe [1], &dummy, 1);
1240 1324
1241 errno = old_errno; 1325 errno = old_errno;
1242 } 1326 }
1243} 1327}
1244 1328
… …
1257 } 1341 }
1258 else 1342 else
1259#endif 1343#endif
1260 { 1344 {
1261 char dummy; 1345 char dummy;
1346 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1262 read (evpipe [0], &dummy, 1); 1347 read (evpipe [0], &dummy, 1);
1263 } 1348 }
1264 1349
1265 if (sig_pending) 1350 if (sig_pending)
1266 { 1351 {
… …
1293{ 1378{
1294#if EV_MULTIPLICITY 1379#if EV_MULTIPLICITY
1295 EV_P = signals [signum - 1].loop; 1380 EV_P = signals [signum - 1].loop;
1296#endif 1381#endif
1297 1382
1298#if _WIN32 1383#ifdef _WIN32
1299 signal (signum, ev_sighandler); 1384 signal (signum, ev_sighandler);
1300#endif 1385#endif
1301 1386
1302 signals [signum - 1].pending = 1; 1387 signals [signum - 1].pending = 1;
1303 evpipe_write (EV_A_ &sig_pending); 1388 evpipe_write (EV_A_ &sig_pending);
… …
1345 break; 1430 break;
1346 } 1431 }
1347} 1432}
1348#endif 1433#endif
1349 1434
1435#endif
1436
1350/*****************************************************************************/ 1437/*****************************************************************************/
1351 1438
1439#if EV_CHILD_ENABLE
1352static WL childs [EV_PID_HASHSIZE]; 1440static WL childs [EV_PID_HASHSIZE];
1353
1354#ifndef _WIN32
1355 1441
1356static ev_signal childev; 1442static ev_signal childev;
1357 1443
1358#ifndef WIFCONTINUED 1444#ifndef WIFCONTINUED
1359# define WIFCONTINUED(status) 0 1445# define WIFCONTINUED(status) 0
… …
1364child_reap (EV_P_ int chain, int pid, int status) 1450child_reap (EV_P_ int chain, int pid, int status)
1365{ 1451{
1366 ev_child *w; 1452 ev_child *w;
1367 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1453 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1368 1454
1369 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1455 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1370 { 1456 {
1371 if ((w->pid == pid || !w->pid) 1457 if ((w->pid == pid || !w->pid)
1372 && (!traced || (w->flags & 1))) 1458 && (!traced || (w->flags & 1)))
1373 { 1459 {
1374 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1460 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
… …
1399 /* make sure we are called again until all children have been reaped */ 1485 /* make sure we are called again until all children have been reaped */
1400 /* we need to do it this way so that the callback gets called before we continue */ 1486 /* we need to do it this way so that the callback gets called before we continue */
1401 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1487 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1402 1488
1403 child_reap (EV_A_ pid, pid, status); 1489 child_reap (EV_A_ pid, pid, status);
1404 if (EV_PID_HASHSIZE > 1) 1490 if ((EV_PID_HASHSIZE) > 1)
1405 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1491 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1406} 1492}
1407 1493
1408#endif 1494#endif
1409 1495
1410/*****************************************************************************/ 1496/*****************************************************************************/
1411 1497
1498#if EV_USE_IOCP
1499# include "ev_iocp.c"
1500#endif
1412#if EV_USE_PORT 1501#if EV_USE_PORT
1413# include "ev_port.c" 1502# include "ev_port.c"
1414#endif 1503#endif
1415#if EV_USE_KQUEUE 1504#if EV_USE_KQUEUE
1416# include "ev_kqueue.c" 1505# include "ev_kqueue.c"
… …
1476#ifdef __APPLE__ 1565#ifdef __APPLE__
1477 /* only select works correctly on that "unix-certified" platform */ 1566 /* only select works correctly on that "unix-certified" platform */
1478 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1567 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1479 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1568 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1480#endif 1569#endif
1570#ifdef __FreeBSD__
1571 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1572#endif
1481 1573
1482 return flags; 1574 return flags;
1483} 1575}
1484 1576
1485unsigned int 1577unsigned int
1486ev_embeddable_backends (void) 1578ev_embeddable_backends (void)
1487{ 1579{
1488 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1580 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1489 1581
1490 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1582 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1491 /* please fix it and tell me how to detect the fix */ 1583 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1492 flags &= ~EVBACKEND_EPOLL; 1584 flags &= ~EVBACKEND_EPOLL;
1493 1585
1494 return flags; 1586 return flags;
1495} 1587}
1496 1588
1497unsigned int 1589unsigned int
1498ev_backend (EV_P) 1590ev_backend (EV_P)
1499{ 1591{
1500 return backend; 1592 return backend;
1501} 1593}
1502 1594
1503#if EV_MINIMAL < 2 1595#if EV_FEATURE_API
1504unsigned int 1596unsigned int
1505ev_loop_count (EV_P) 1597ev_iteration (EV_P)
1506{ 1598{
1507 return loop_count; 1599 return loop_count;
1508} 1600}
1509 1601
1510unsigned int 1602unsigned int
1511ev_loop_depth (EV_P) 1603ev_depth (EV_P)
1512{ 1604{
1513 return loop_depth; 1605 return loop_depth;
1514} 1606}
1515 1607
1516void 1608void
… …
1588 1680
1589 ev_rt_now = ev_time (); 1681 ev_rt_now = ev_time ();
1590 mn_now = get_clock (); 1682 mn_now = get_clock ();
1591 now_floor = mn_now; 1683 now_floor = mn_now;
1592 rtmn_diff = ev_rt_now - mn_now; 1684 rtmn_diff = ev_rt_now - mn_now;
1593#if EV_MINIMAL < 2 1685#if EV_FEATURE_API
1594 invoke_cb = ev_invoke_pending; 1686 invoke_cb = ev_invoke_pending;
1595#endif 1687#endif
1596 1688
1597 io_blocktime = 0.; 1689 io_blocktime = 0.;
1598 timeout_blocktime = 0.; 1690 timeout_blocktime = 0.;
… …
1604#endif 1696#endif
1605#if EV_USE_INOTIFY 1697#if EV_USE_INOTIFY
1606 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 1698 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1607#endif 1699#endif
1608#if EV_USE_SIGNALFD 1700#if EV_USE_SIGNALFD
1609 sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; 1701 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1610#endif 1702#endif
1611 1703
1612 if (!(flags & 0x0000ffffU)) 1704 if (!(flags & 0x0000ffffU))
1613 flags |= ev_recommended_backends (); 1705 flags |= ev_recommended_backends ();
1614 1706
1707#if EV_USE_IOCP
1708 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1709#endif
1615#if EV_USE_PORT 1710#if EV_USE_PORT
1616 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1711 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1617#endif 1712#endif
1618#if EV_USE_KQUEUE 1713#if EV_USE_KQUEUE
1619 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1714 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1628 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1723 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1629#endif 1724#endif
1630 1725
1631 ev_prepare_init (&pending_w, pendingcb); 1726 ev_prepare_init (&pending_w, pendingcb);
1632 1727
1728#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1633 ev_init (&pipe_w, pipecb); 1729 ev_init (&pipe_w, pipecb);
1634 ev_set_priority (&pipe_w, EV_MAXPRI); 1730 ev_set_priority (&pipe_w, EV_MAXPRI);
1731#endif
1635 } 1732 }
1636} 1733}
1637 1734
1638/* free up a loop structure */ 1735/* free up a loop structure */
1639static void noinline 1736void
1640loop_destroy (EV_P) 1737ev_loop_destroy (EV_P)
1641{ 1738{
1642 int i; 1739 int i;
1740
1741#if EV_MULTIPLICITY
1742 /* mimic free (0) */
1743 if (!EV_A)
1744 return;
1745#endif
1746
1747#if EV_CLEANUP_ENABLE
1748 /* queue cleanup watchers (and execute them) */
1749 if (expect_false (cleanupcnt))
1750 {
1751 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
1752 EV_INVOKE_PENDING;
1753 }
1754#endif
1755
1756#if EV_CHILD_ENABLE
1757 if (ev_is_active (&childev))
1758 {
1759 ev_ref (EV_A); /* child watcher */
1760 ev_signal_stop (EV_A_ &childev);
1761 }
1762#endif
1643 1763
1644 if (ev_is_active (&pipe_w)) 1764 if (ev_is_active (&pipe_w))
1645 { 1765 {
1646 /*ev_ref (EV_A);*/ 1766 /*ev_ref (EV_A);*/
1647 /*ev_io_stop (EV_A_ &pipe_w);*/ 1767 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1669#endif 1789#endif
1670 1790
1671 if (backend_fd >= 0) 1791 if (backend_fd >= 0)
1672 close (backend_fd); 1792 close (backend_fd);
1673 1793
1794#if EV_USE_IOCP
1795 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1796#endif
1674#if EV_USE_PORT 1797#if EV_USE_PORT
1675 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1798 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1676#endif 1799#endif
1677#if EV_USE_KQUEUE 1800#if EV_USE_KQUEUE
1678 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1801 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1705 array_free (periodic, EMPTY); 1828 array_free (periodic, EMPTY);
1706#endif 1829#endif
1707#if EV_FORK_ENABLE 1830#if EV_FORK_ENABLE
1708 array_free (fork, EMPTY); 1831 array_free (fork, EMPTY);
1709#endif 1832#endif
1833#if EV_CLEANUP_ENABLE
1834 array_free (cleanup, EMPTY);
1835#endif
1710 array_free (prepare, EMPTY); 1836 array_free (prepare, EMPTY);
1711 array_free (check, EMPTY); 1837 array_free (check, EMPTY);
1712#if EV_ASYNC_ENABLE 1838#if EV_ASYNC_ENABLE
1713 array_free (async, EMPTY); 1839 array_free (async, EMPTY);
1714#endif 1840#endif
1715 1841
1716 backend = 0; 1842 backend = 0;
1843
1844#if EV_MULTIPLICITY
1845 if (ev_is_default_loop (EV_A))
1846#endif
1847 ev_default_loop_ptr = 0;
1848#if EV_MULTIPLICITY
1849 else
1850 ev_free (EV_A);
1851#endif
1717} 1852}
1718 1853
1719#if EV_USE_INOTIFY 1854#if EV_USE_INOTIFY
1720inline_size void infy_fork (EV_P); 1855inline_size void infy_fork (EV_P);
1721#endif 1856#endif
… …
1757 { 1892 {
1758 EV_WIN32_CLOSE_FD (evpipe [0]); 1893 EV_WIN32_CLOSE_FD (evpipe [0]);
1759 EV_WIN32_CLOSE_FD (evpipe [1]); 1894 EV_WIN32_CLOSE_FD (evpipe [1]);
1760 } 1895 }
1761 1896
1897#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1762 evpipe_init (EV_A); 1898 evpipe_init (EV_A);
1763 /* now iterate over everything, in case we missed something */ 1899 /* now iterate over everything, in case we missed something */
1764 pipecb (EV_A_ &pipe_w, EV_READ); 1900 pipecb (EV_A_ &pipe_w, EV_READ);
1901#endif
1765 } 1902 }
1766 1903
1767 postfork = 0; 1904 postfork = 0;
1768} 1905}
1769 1906
… …
1778 loop_init (EV_A_ flags); 1915 loop_init (EV_A_ flags);
1779 1916
1780 if (ev_backend (EV_A)) 1917 if (ev_backend (EV_A))
1781 return EV_A; 1918 return EV_A;
1782 1919
1920 ev_free (EV_A);
1783 return 0; 1921 return 0;
1784} 1922}
1785 1923
1786void
1787ev_loop_destroy (EV_P)
1788{
1789 loop_destroy (EV_A);
1790 ev_free (loop);
1791}
1792
1793void
1794ev_loop_fork (EV_P)
1795{
1796 postfork = 1; /* must be in line with ev_default_fork */
1797}
1798#endif /* multiplicity */ 1924#endif /* multiplicity */
1799 1925
1800#if EV_VERIFY 1926#if EV_VERIFY
1801static void noinline 1927static void noinline
1802verify_watcher (EV_P_ W w) 1928verify_watcher (EV_P_ W w)
… …
1831 verify_watcher (EV_A_ ws [cnt]); 1957 verify_watcher (EV_A_ ws [cnt]);
1832 } 1958 }
1833} 1959}
1834#endif 1960#endif
1835 1961
1836#if EV_MINIMAL < 2 1962#if EV_FEATURE_API
1837void 1963void
1838ev_loop_verify (EV_P) 1964ev_verify (EV_P)
1839{ 1965{
1840#if EV_VERIFY 1966#if EV_VERIFY
1841 int i; 1967 int i;
1842 WL w; 1968 WL w;
1843 1969
… …
1877#if EV_FORK_ENABLE 2003#if EV_FORK_ENABLE
1878 assert (forkmax >= forkcnt); 2004 assert (forkmax >= forkcnt);
1879 array_verify (EV_A_ (W *)forks, forkcnt); 2005 array_verify (EV_A_ (W *)forks, forkcnt);
1880#endif 2006#endif
1881 2007
2008#if EV_CLEANUP_ENABLE
2009 assert (cleanupmax >= cleanupcnt);
2010 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2011#endif
2012
1882#if EV_ASYNC_ENABLE 2013#if EV_ASYNC_ENABLE
1883 assert (asyncmax >= asynccnt); 2014 assert (asyncmax >= asynccnt);
1884 array_verify (EV_A_ (W *)asyncs, asynccnt); 2015 array_verify (EV_A_ (W *)asyncs, asynccnt);
1885#endif 2016#endif
1886 2017
2018#if EV_PREPARE_ENABLE
1887 assert (preparemax >= preparecnt); 2019 assert (preparemax >= preparecnt);
1888 array_verify (EV_A_ (W *)prepares, preparecnt); 2020 array_verify (EV_A_ (W *)prepares, preparecnt);
2021#endif
1889 2022
2023#if EV_CHECK_ENABLE
1890 assert (checkmax >= checkcnt); 2024 assert (checkmax >= checkcnt);
1891 array_verify (EV_A_ (W *)checks, checkcnt); 2025 array_verify (EV_A_ (W *)checks, checkcnt);
2026#endif
1892 2027
1893# if 0 2028# if 0
2029#if EV_CHILD_ENABLE
1894 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 2030 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1895 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) 2031 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
2032#endif
1896# endif 2033# endif
1897#endif 2034#endif
1898} 2035}
1899#endif 2036#endif
1900 2037
1901#if EV_MULTIPLICITY 2038#if EV_MULTIPLICITY
1902struct ev_loop * 2039struct ev_loop *
1903ev_default_loop_init (unsigned int flags)
1904#else 2040#else
1905int 2041int
2042#endif
1906ev_default_loop (unsigned int flags) 2043ev_default_loop (unsigned int flags)
1907#endif
1908{ 2044{
1909 if (!ev_default_loop_ptr) 2045 if (!ev_default_loop_ptr)
1910 { 2046 {
1911#if EV_MULTIPLICITY 2047#if EV_MULTIPLICITY
1912 EV_P = ev_default_loop_ptr = &default_loop_struct; 2048 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1916 2052
1917 loop_init (EV_A_ flags); 2053 loop_init (EV_A_ flags);
1918 2054
1919 if (ev_backend (EV_A)) 2055 if (ev_backend (EV_A))
1920 { 2056 {
1921#ifndef _WIN32 2057#if EV_CHILD_ENABLE
1922 ev_signal_init (&childev, childcb, SIGCHLD); 2058 ev_signal_init (&childev, childcb, SIGCHLD);
1923 ev_set_priority (&childev, EV_MAXPRI); 2059 ev_set_priority (&childev, EV_MAXPRI);
1924 ev_signal_start (EV_A_ &childev); 2060 ev_signal_start (EV_A_ &childev);
1925 ev_unref (EV_A); /* child watcher should not keep loop alive */ 2061 ev_unref (EV_A); /* child watcher should not keep loop alive */
1926#endif 2062#endif
… …
1931 2067
1932 return ev_default_loop_ptr; 2068 return ev_default_loop_ptr;
1933} 2069}
1934 2070
1935void 2071void
1936ev_default_destroy (void) 2072ev_loop_fork (EV_P)
1937{ 2073{
1938#if EV_MULTIPLICITY
1939 EV_P = ev_default_loop_ptr;
1940#endif
1941
1942 ev_default_loop_ptr = 0;
1943
1944#ifndef _WIN32
1945 ev_ref (EV_A); /* child watcher */
1946 ev_signal_stop (EV_A_ &childev);
1947#endif
1948
1949 loop_destroy (EV_A);
1950}
1951
1952void
1953ev_default_fork (void)
1954{
1955#if EV_MULTIPLICITY
1956 EV_P = ev_default_loop_ptr;
1957#endif
1958
1959 postfork = 1; /* must be in line with ev_loop_fork */ 2074 postfork = 1; /* must be in line with ev_default_fork */
1960} 2075}
1961 2076
1962/*****************************************************************************/ 2077/*****************************************************************************/
1963 2078
1964void 2079void
… …
2055 EV_FREQUENT_CHECK; 2170 EV_FREQUENT_CHECK;
2056 feed_reverse (EV_A_ (W)w); 2171 feed_reverse (EV_A_ (W)w);
2057 } 2172 }
2058 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2173 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2059 2174
2060 feed_reverse_done (EV_A_ EV_TIMEOUT); 2175 feed_reverse_done (EV_A_ EV_TIMER);
2061 } 2176 }
2062} 2177}
2063 2178
2064#if EV_PERIODIC_ENABLE 2179#if EV_PERIODIC_ENABLE
2065/* make periodics pending */ 2180/* make periodics pending */
… …
2118 feed_reverse_done (EV_A_ EV_PERIODIC); 2233 feed_reverse_done (EV_A_ EV_PERIODIC);
2119 } 2234 }
2120} 2235}
2121 2236
2122/* simply recalculate all periodics */ 2237/* simply recalculate all periodics */
2123/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2238/* TODO: maybe ensure that at least one event happens when jumping forward? */
2124static void noinline 2239static void noinline
2125periodics_reschedule (EV_P) 2240periodics_reschedule (EV_P)
2126{ 2241{
2127 int i; 2242 int i;
2128 2243
… …
2156 ANHE_at_cache (*he); 2271 ANHE_at_cache (*he);
2157 } 2272 }
2158} 2273}
2159 2274
2160/* fetch new monotonic and realtime times from the kernel */ 2275/* fetch new monotonic and realtime times from the kernel */
2161/* also detetc if there was a timejump, and act accordingly */ 2276/* also detect if there was a timejump, and act accordingly */
2162inline_speed void 2277inline_speed void
2163time_update (EV_P_ ev_tstamp max_block) 2278time_update (EV_P_ ev_tstamp max_block)
2164{ 2279{
2165#if EV_USE_MONOTONIC 2280#if EV_USE_MONOTONIC
2166 if (expect_true (have_monotonic)) 2281 if (expect_true (have_monotonic))
… …
2224 mn_now = ev_rt_now; 2339 mn_now = ev_rt_now;
2225 } 2340 }
2226} 2341}
2227 2342
2228void 2343void
2229ev_loop (EV_P_ int flags) 2344ev_run (EV_P_ int flags)
2230{ 2345{
2231#if EV_MINIMAL < 2 2346#if EV_FEATURE_API
2232 ++loop_depth; 2347 ++loop_depth;
2233#endif 2348#endif
2234 2349
2235 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2350 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2236 2351
2237 loop_done = EVUNLOOP_CANCEL; 2352 loop_done = EVBREAK_CANCEL;
2238 2353
2239 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2354 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2240 2355
2241 do 2356 do
2242 { 2357 {
2243#if EV_VERIFY >= 2 2358#if EV_VERIFY >= 2
2244 ev_loop_verify (EV_A); 2359 ev_verify (EV_A);
2245#endif 2360#endif
2246 2361
2247#ifndef _WIN32 2362#ifndef _WIN32
2248 if (expect_false (curpid)) /* penalise the forking check even more */ 2363 if (expect_false (curpid)) /* penalise the forking check even more */
2249 if (expect_false (getpid () != curpid)) 2364 if (expect_false (getpid () != curpid))
… …
2261 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2376 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2262 EV_INVOKE_PENDING; 2377 EV_INVOKE_PENDING;
2263 } 2378 }
2264#endif 2379#endif
2265 2380
2381#if EV_PREPARE_ENABLE
2266 /* queue prepare watchers (and execute them) */ 2382 /* queue prepare watchers (and execute them) */
2267 if (expect_false (preparecnt)) 2383 if (expect_false (preparecnt))
2268 { 2384 {
2269 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2385 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2270 EV_INVOKE_PENDING; 2386 EV_INVOKE_PENDING;
2271 } 2387 }
2388#endif
2272 2389
2273 if (expect_false (loop_done)) 2390 if (expect_false (loop_done))
2274 break; 2391 break;
2275 2392
2276 /* we might have forked, so reify kernel state if necessary */ 2393 /* we might have forked, so reify kernel state if necessary */
… …
2283 /* calculate blocking time */ 2400 /* calculate blocking time */
2284 { 2401 {
2285 ev_tstamp waittime = 0.; 2402 ev_tstamp waittime = 0.;
2286 ev_tstamp sleeptime = 0.; 2403 ev_tstamp sleeptime = 0.;
2287 2404
2405 /* remember old timestamp for io_blocktime calculation */
2406 ev_tstamp prev_mn_now = mn_now;
2407
2408 /* update time to cancel out callback processing overhead */
2409 time_update (EV_A_ 1e100);
2410
2288 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2411 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2289 { 2412 {
2290 /* remember old timestamp for io_blocktime calculation */
2291 ev_tstamp prev_mn_now = mn_now;
2292
2293 /* update time to cancel out callback processing overhead */
2294 time_update (EV_A_ 1e100);
2295
2296 waittime = MAX_BLOCKTIME; 2413 waittime = MAX_BLOCKTIME;
2297 2414
2298 if (timercnt) 2415 if (timercnt)
2299 { 2416 {
2300 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2417 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
… …
2327 waittime -= sleeptime; 2444 waittime -= sleeptime;
2328 } 2445 }
2329 } 2446 }
2330 } 2447 }
2331 2448
2332#if EV_MINIMAL < 2 2449#if EV_FEATURE_API
2333 ++loop_count; 2450 ++loop_count;
2334#endif 2451#endif
2335 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2452 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2336 backend_poll (EV_A_ waittime); 2453 backend_poll (EV_A_ waittime);
2337 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2454 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2338 2455
2339 /* update ev_rt_now, do magic */ 2456 /* update ev_rt_now, do magic */
2340 time_update (EV_A_ waittime + sleeptime); 2457 time_update (EV_A_ waittime + sleeptime);
2341 } 2458 }
2342 2459
… …
2349#if EV_IDLE_ENABLE 2466#if EV_IDLE_ENABLE
2350 /* queue idle watchers unless other events are pending */ 2467 /* queue idle watchers unless other events are pending */
2351 idle_reify (EV_A); 2468 idle_reify (EV_A);
2352#endif 2469#endif
2353 2470
2471#if EV_CHECK_ENABLE
2354 /* queue check watchers, to be executed first */ 2472 /* queue check watchers, to be executed first */
2355 if (expect_false (checkcnt)) 2473 if (expect_false (checkcnt))
2356 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2474 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2475#endif
2357 2476
2358 EV_INVOKE_PENDING; 2477 EV_INVOKE_PENDING;
2359 } 2478 }
2360 while (expect_true ( 2479 while (expect_true (
2361 activecnt 2480 activecnt
2362 && !loop_done 2481 && !loop_done
2363 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2482 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2364 )); 2483 ));
2365 2484
2366 if (loop_done == EVUNLOOP_ONE) 2485 if (loop_done == EVBREAK_ONE)
2367 loop_done = EVUNLOOP_CANCEL; 2486 loop_done = EVBREAK_CANCEL;
2368 2487
2369#if EV_MINIMAL < 2 2488#if EV_FEATURE_API
2370 --loop_depth; 2489 --loop_depth;
2371#endif 2490#endif
2372} 2491}
2373 2492
2374void 2493void
2375ev_unloop (EV_P_ int how) 2494ev_break (EV_P_ int how)
2376{ 2495{
2377 loop_done = how; 2496 loop_done = how;
2378} 2497}
2379 2498
2380void 2499void
… …
2500 2619
2501 if (expect_false (ev_is_active (w))) 2620 if (expect_false (ev_is_active (w)))
2502 return; 2621 return;
2503 2622
2504 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 2623 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2505 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 2624 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2506 2625
2507 EV_FREQUENT_CHECK; 2626 EV_FREQUENT_CHECK;
2508 2627
2509 ev_start (EV_A_ (W)w, 1); 2628 ev_start (EV_A_ (W)w, 1);
2510 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 2629 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
… …
2528 EV_FREQUENT_CHECK; 2647 EV_FREQUENT_CHECK;
2529 2648
2530 wlist_del (&anfds[w->fd].head, (WL)w); 2649 wlist_del (&anfds[w->fd].head, (WL)w);
2531 ev_stop (EV_A_ (W)w); 2650 ev_stop (EV_A_ (W)w);
2532 2651
2533 fd_change (EV_A_ w->fd, 1); 2652 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2534 2653
2535 EV_FREQUENT_CHECK; 2654 EV_FREQUENT_CHECK;
2536} 2655}
2537 2656
2538void noinline 2657void noinline
… …
2580 timers [active] = timers [timercnt + HEAP0]; 2699 timers [active] = timers [timercnt + HEAP0];
2581 adjustheap (timers, timercnt, active); 2700 adjustheap (timers, timercnt, active);
2582 } 2701 }
2583 } 2702 }
2584 2703
2585 EV_FREQUENT_CHECK;
2586
2587 ev_at (w) -= mn_now; 2704 ev_at (w) -= mn_now;
2588 2705
2589 ev_stop (EV_A_ (W)w); 2706 ev_stop (EV_A_ (W)w);
2707
2708 EV_FREQUENT_CHECK;
2590} 2709}
2591 2710
2592void noinline 2711void noinline
2593ev_timer_again (EV_P_ ev_timer *w) 2712ev_timer_again (EV_P_ ev_timer *w)
2594{ 2713{
… …
2673 periodics [active] = periodics [periodiccnt + HEAP0]; 2792 periodics [active] = periodics [periodiccnt + HEAP0];
2674 adjustheap (periodics, periodiccnt, active); 2793 adjustheap (periodics, periodiccnt, active);
2675 } 2794 }
2676 } 2795 }
2677 2796
2678 EV_FREQUENT_CHECK;
2679
2680 ev_stop (EV_A_ (W)w); 2797 ev_stop (EV_A_ (W)w);
2798
2799 EV_FREQUENT_CHECK;
2681} 2800}
2682 2801
2683void noinline 2802void noinline
2684ev_periodic_again (EV_P_ ev_periodic *w) 2803ev_periodic_again (EV_P_ ev_periodic *w)
2685{ 2804{
… …
2690#endif 2809#endif
2691 2810
2692#ifndef SA_RESTART 2811#ifndef SA_RESTART
2693# define SA_RESTART 0 2812# define SA_RESTART 0
2694#endif 2813#endif
2814
2815#if EV_SIGNAL_ENABLE
2695 2816
2696void noinline 2817void noinline
2697ev_signal_start (EV_P_ ev_signal *w) 2818ev_signal_start (EV_P_ ev_signal *w)
2698{ 2819{
2699 if (expect_false (ev_is_active (w))) 2820 if (expect_false (ev_is_active (w)))
… …
2746 if (!((WL)w)->next) 2867 if (!((WL)w)->next)
2747# if EV_USE_SIGNALFD 2868# if EV_USE_SIGNALFD
2748 if (sigfd < 0) /*TODO*/ 2869 if (sigfd < 0) /*TODO*/
2749# endif 2870# endif
2750 { 2871 {
2751# if _WIN32 2872# ifdef _WIN32
2752 evpipe_init (EV_A); 2873 evpipe_init (EV_A);
2753 2874
2754 signal (w->signum, ev_sighandler); 2875 signal (w->signum, ev_sighandler);
2755# else 2876# else
2756 struct sigaction sa; 2877 struct sigaction sa;
… …
2789 signals [w->signum - 1].loop = 0; /* unattach from signal */ 2910 signals [w->signum - 1].loop = 0; /* unattach from signal */
2790#endif 2911#endif
2791#if EV_USE_SIGNALFD 2912#if EV_USE_SIGNALFD
2792 if (sigfd >= 0) 2913 if (sigfd >= 0)
2793 { 2914 {
2794 sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D 2915 sigset_t ss;
2916
2917 sigemptyset (&ss);
2918 sigaddset (&ss, w->signum);
2795 sigdelset (&sigfd_set, w->signum); 2919 sigdelset (&sigfd_set, w->signum);
2920
2796 signalfd (sigfd, &sigfd_set, 0); 2921 signalfd (sigfd, &sigfd_set, 0);
2797 sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D 2922 sigprocmask (SIG_UNBLOCK, &ss, 0);
2798 /*TODO: maybe unblock signal? */
2799 } 2923 }
2800 else 2924 else
2801#endif 2925#endif
2802 signal (w->signum, SIG_DFL); 2926 signal (w->signum, SIG_DFL);
2803 } 2927 }
2804 2928
2805 EV_FREQUENT_CHECK; 2929 EV_FREQUENT_CHECK;
2806} 2930}
2807 2931
2932#endif
2933
2934#if EV_CHILD_ENABLE
2935
2808void 2936void
2809ev_child_start (EV_P_ ev_child *w) 2937ev_child_start (EV_P_ ev_child *w)
2810{ 2938{
2811#if EV_MULTIPLICITY 2939#if EV_MULTIPLICITY
2812 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2940 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
… …
2815 return; 2943 return;
2816 2944
2817 EV_FREQUENT_CHECK; 2945 EV_FREQUENT_CHECK;
2818 2946
2819 ev_start (EV_A_ (W)w, 1); 2947 ev_start (EV_A_ (W)w, 1);
2820 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2948 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2821 2949
2822 EV_FREQUENT_CHECK; 2950 EV_FREQUENT_CHECK;
2823} 2951}
2824 2952
2825void 2953void
… …
2829 if (expect_false (!ev_is_active (w))) 2957 if (expect_false (!ev_is_active (w)))
2830 return; 2958 return;
2831 2959
2832 EV_FREQUENT_CHECK; 2960 EV_FREQUENT_CHECK;
2833 2961
2834 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2962 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2835 ev_stop (EV_A_ (W)w); 2963 ev_stop (EV_A_ (W)w);
2836 2964
2837 EV_FREQUENT_CHECK; 2965 EV_FREQUENT_CHECK;
2838} 2966}
2967
2968#endif
2839 2969
2840#if EV_STAT_ENABLE 2970#if EV_STAT_ENABLE
2841 2971
2842# ifdef _WIN32 2972# ifdef _WIN32
2843# undef lstat 2973# undef lstat
… …
2849#define MIN_STAT_INTERVAL 0.1074891 2979#define MIN_STAT_INTERVAL 0.1074891
2850 2980
2851static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 2981static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2852 2982
2853#if EV_USE_INOTIFY 2983#if EV_USE_INOTIFY
2854# define EV_INOTIFY_BUFSIZE 8192 2984
2985/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
2986# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2855 2987
2856static void noinline 2988static void noinline
2857infy_add (EV_P_ ev_stat *w) 2989infy_add (EV_P_ ev_stat *w)
2858{ 2990{
2859 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); 2991 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);
2860 2992
2861 if (w->wd < 0) 2993 if (w->wd >= 0)
2994 {
2995 struct statfs sfs;
2996
2997 /* now local changes will be tracked by inotify, but remote changes won't */
2998 /* unless the filesystem is known to be local, we therefore still poll */
2999 /* also do poll on <2.6.25, but with normal frequency */
3000
3001 if (!fs_2625)
3002 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3003 else if (!statfs (w->path, &sfs)
3004 && (sfs.f_type == 0x1373 /* devfs */
3005 || sfs.f_type == 0xEF53 /* ext2/3 */
3006 || sfs.f_type == 0x3153464a /* jfs */
3007 || sfs.f_type == 0x52654973 /* reiser3 */
3008 || sfs.f_type == 0x01021994 /* tempfs */
3009 || sfs.f_type == 0x58465342 /* xfs */))
3010 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3011 else
3012 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2862 { 3013 }
3014 else
3015 {
3016 /* can't use inotify, continue to stat */
2863 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; 3017 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2864 ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2865 3018
2866 /* monitor some parent directory for speedup hints */ 3019 /* if path is not there, monitor some parent directory for speedup hints */
2867 /* note that exceeding the hardcoded path limit is not a correctness issue, */ 3020 /* note that exceeding the hardcoded path limit is not a correctness issue, */
2868 /* but an efficiency issue only */ 3021 /* but an efficiency issue only */
2869 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 3022 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2870 { 3023 {
2871 char path [4096]; 3024 char path [4096];
… …
2887 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3040 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2888 } 3041 }
2889 } 3042 }
2890 3043
2891 if (w->wd >= 0) 3044 if (w->wd >= 0)
2892 {
2893 struct statfs sfs;
2894
2895 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3045 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2896 3046
2897 /* now local changes will be tracked by inotify, but remote changes won't */ 3047 /* now re-arm timer, if required */
2898 /* unless the filesystem is known to be local, we therefore still poll */ 3048 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2899 /* also do poll on <2.6.25, but with normal frequency */
2900
2901 if (fs_2625 && !statfs (w->path, &sfs))
2902 if (sfs.f_type == 0x1373 /* devfs */
2903 || sfs.f_type == 0xEF53 /* ext2/3 */
2904 || sfs.f_type == 0x3153464a /* jfs */
2905 || sfs.f_type == 0x52654973 /* reiser3 */
2906 || sfs.f_type == 0x01021994 /* tempfs */
2907 || sfs.f_type == 0x58465342 /* xfs */)
2908 return;
2909
2910 w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2911 ev_timer_again (EV_A_ &w->timer); 3049 ev_timer_again (EV_A_ &w->timer);
2912 } 3050 if (ev_is_active (&w->timer)) ev_unref (EV_A);
2913} 3051}
2914 3052
2915static void noinline 3053static void noinline
2916infy_del (EV_P_ ev_stat *w) 3054infy_del (EV_P_ ev_stat *w)
2917{ 3055{
… …
2920 3058
2921 if (wd < 0) 3059 if (wd < 0)
2922 return; 3060 return;
2923 3061
2924 w->wd = -2; 3062 w->wd = -2;
2925 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3063 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2926 wlist_del (&fs_hash [slot].head, (WL)w); 3064 wlist_del (&fs_hash [slot].head, (WL)w);
2927 3065
2928 /* remove this watcher, if others are watching it, they will rearm */ 3066 /* remove this watcher, if others are watching it, they will rearm */
2929 inotify_rm_watch (fs_fd, wd); 3067 inotify_rm_watch (fs_fd, wd);
2930} 3068}
… …
2932static void noinline 3070static void noinline
2933infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3071infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2934{ 3072{
2935 if (slot < 0) 3073 if (slot < 0)
2936 /* overflow, need to check for all hash slots */ 3074 /* overflow, need to check for all hash slots */
2937 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3075 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2938 infy_wd (EV_A_ slot, wd, ev); 3076 infy_wd (EV_A_ slot, wd, ev);
2939 else 3077 else
2940 { 3078 {
2941 WL w_; 3079 WL w_;
2942 3080
2943 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3081 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2944 { 3082 {
2945 ev_stat *w = (ev_stat *)w_; 3083 ev_stat *w = (ev_stat *)w_;
2946 w_ = w_->next; /* lets us remove this watcher and all before it */ 3084 w_ = w_->next; /* lets us remove this watcher and all before it */
2947 3085
2948 if (w->wd == wd || wd == -1) 3086 if (w->wd == wd || wd == -1)
2949 { 3087 {
2950 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3088 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2951 { 3089 {
2952 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3090 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2953 w->wd = -1; 3091 w->wd = -1;
2954 infy_add (EV_A_ w); /* re-add, no matter what */ 3092 infy_add (EV_A_ w); /* re-add, no matter what */
2955 } 3093 }
2956 3094
2957 stat_timer_cb (EV_A_ &w->timer, 0); 3095 stat_timer_cb (EV_A_ &w->timer, 0);
… …
2962 3100
2963static void 3101static void
2964infy_cb (EV_P_ ev_io *w, int revents) 3102infy_cb (EV_P_ ev_io *w, int revents)
2965{ 3103{
2966 char buf [EV_INOTIFY_BUFSIZE]; 3104 char buf [EV_INOTIFY_BUFSIZE];
2967 struct inotify_event *ev = (struct inotify_event *)buf;
2968 int ofs; 3105 int ofs;
2969 int len = read (fs_fd, buf, sizeof (buf)); 3106 int len = read (fs_fd, buf, sizeof (buf));
2970 3107
2971 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 3108 for (ofs = 0; ofs < len; )
3109 {
3110 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2972 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3111 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3112 ofs += sizeof (struct inotify_event) + ev->len;
3113 }
2973} 3114}
2974 3115
2975inline_size void 3116inline_size void
2976check_2625 (EV_P) 3117ev_check_2625 (EV_P)
2977{ 3118{
2978 /* kernels < 2.6.25 are borked 3119 /* kernels < 2.6.25 are borked
2979 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3120 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2980 */ 3121 */
2981 struct utsname buf; 3122 if (ev_linux_version () < 0x020619)
2982 int major, minor, micro;
2983
2984 if (uname (&buf))
2985 return;
2986
2987 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2988 return;
2989
2990 if (major < 2
2991 || (major == 2 && minor < 6)
2992 || (major == 2 && minor == 6 && micro < 25))
2993 return; 3123 return;
2994 3124
2995 fs_2625 = 1; 3125 fs_2625 = 1;
2996} 3126}
2997 3127
… …
3012 if (fs_fd != -2) 3142 if (fs_fd != -2)
3013 return; 3143 return;
3014 3144
3015 fs_fd = -1; 3145 fs_fd = -1;
3016 3146
3017 check_2625 (EV_A); 3147 ev_check_2625 (EV_A);
3018 3148
3019 fs_fd = infy_newfd (); 3149 fs_fd = infy_newfd ();
3020 3150
3021 if (fs_fd >= 0) 3151 if (fs_fd >= 0)
3022 { 3152 {
… …
3047 ev_io_set (&fs_w, fs_fd, EV_READ); 3177 ev_io_set (&fs_w, fs_fd, EV_READ);
3048 ev_io_start (EV_A_ &fs_w); 3178 ev_io_start (EV_A_ &fs_w);
3049 ev_unref (EV_A); 3179 ev_unref (EV_A);
3050 } 3180 }
3051 3181
3052 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3182 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3053 { 3183 {
3054 WL w_ = fs_hash [slot].head; 3184 WL w_ = fs_hash [slot].head;
3055 fs_hash [slot].head = 0; 3185 fs_hash [slot].head = 0;
3056 3186
3057 while (w_) 3187 while (w_)
… …
3062 w->wd = -1; 3192 w->wd = -1;
3063 3193
3064 if (fs_fd >= 0) 3194 if (fs_fd >= 0)
3065 infy_add (EV_A_ w); /* re-add, no matter what */ 3195 infy_add (EV_A_ w); /* re-add, no matter what */
3066 else 3196 else
3197 {
3198 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3199 if (ev_is_active (&w->timer)) ev_ref (EV_A);
3067 ev_timer_again (EV_A_ &w->timer); 3200 ev_timer_again (EV_A_ &w->timer);
3201 if (ev_is_active (&w->timer)) ev_unref (EV_A);
3202 }
3068 } 3203 }
3069 } 3204 }
3070} 3205}
3071 3206
3072#endif 3207#endif
… …
3089static void noinline 3224static void noinline
3090stat_timer_cb (EV_P_ ev_timer *w_, int revents) 3225stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3091{ 3226{
3092 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 3227 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3093 3228
3094 /* we copy this here each the time so that */ 3229 ev_statdata prev = w->attr;
3095 /* prev has the old value when the callback gets invoked */
3096 w->prev = w->attr;
3097 ev_stat_stat (EV_A_ w); 3230 ev_stat_stat (EV_A_ w);
3098 3231
3099 /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ 3232 /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3100 if ( 3233 if (
3101 w->prev.st_dev != w->attr.st_dev 3234 prev.st_dev != w->attr.st_dev
3102 || w->prev.st_ino != w->attr.st_ino 3235 || prev.st_ino != w->attr.st_ino
3103 || w->prev.st_mode != w->attr.st_mode 3236 || prev.st_mode != w->attr.st_mode
3104 || w->prev.st_nlink != w->attr.st_nlink 3237 || prev.st_nlink != w->attr.st_nlink
3105 || w->prev.st_uid != w->attr.st_uid 3238 || prev.st_uid != w->attr.st_uid
3106 || w->prev.st_gid != w->attr.st_gid 3239 || prev.st_gid != w->attr.st_gid
3107 || w->prev.st_rdev != w->attr.st_rdev 3240 || prev.st_rdev != w->attr.st_rdev
3108 || w->prev.st_size != w->attr.st_size 3241 || prev.st_size != w->attr.st_size
3109 || w->prev.st_atime != w->attr.st_atime 3242 || prev.st_atime != w->attr.st_atime
3110 || w->prev.st_mtime != w->attr.st_mtime 3243 || prev.st_mtime != w->attr.st_mtime
3111 || w->prev.st_ctime != w->attr.st_ctime 3244 || prev.st_ctime != w->attr.st_ctime
3112 ) { 3245 ) {
3246 /* we only update w->prev on actual differences */
3247 /* in case we test more often than invoke the callback, */
3248 /* to ensure that prev is always different to attr */
3249 w->prev = prev;
3250
3113 #if EV_USE_INOTIFY 3251 #if EV_USE_INOTIFY
3114 if (fs_fd >= 0) 3252 if (fs_fd >= 0)
3115 { 3253 {
3116 infy_del (EV_A_ w); 3254 infy_del (EV_A_ w);
3117 infy_add (EV_A_ w); 3255 infy_add (EV_A_ w);
… …
3142 3280
3143 if (fs_fd >= 0) 3281 if (fs_fd >= 0)
3144 infy_add (EV_A_ w); 3282 infy_add (EV_A_ w);
3145 else 3283 else
3146#endif 3284#endif
3285 {
3147 ev_timer_again (EV_A_ &w->timer); 3286 ev_timer_again (EV_A_ &w->timer);
3287 ev_unref (EV_A);
3288 }
3148 3289
3149 ev_start (EV_A_ (W)w, 1); 3290 ev_start (EV_A_ (W)w, 1);
3150 3291
3151 EV_FREQUENT_CHECK; 3292 EV_FREQUENT_CHECK;
3152} 3293}
… …
3161 EV_FREQUENT_CHECK; 3302 EV_FREQUENT_CHECK;
3162 3303
3163#if EV_USE_INOTIFY 3304#if EV_USE_INOTIFY
3164 infy_del (EV_A_ w); 3305 infy_del (EV_A_ w);
3165#endif 3306#endif
3307
3308 if (ev_is_active (&w->timer))
3309 {
3310 ev_ref (EV_A);
3166 ev_timer_stop (EV_A_ &w->timer); 3311 ev_timer_stop (EV_A_ &w->timer);
3312 }
3167 3313
3168 ev_stop (EV_A_ (W)w); 3314 ev_stop (EV_A_ (W)w);
3169 3315
3170 EV_FREQUENT_CHECK; 3316 EV_FREQUENT_CHECK;
3171} 3317}
… …
3216 3362
3217 EV_FREQUENT_CHECK; 3363 EV_FREQUENT_CHECK;
3218} 3364}
3219#endif 3365#endif
3220 3366
3367#if EV_PREPARE_ENABLE
3221void 3368void
3222ev_prepare_start (EV_P_ ev_prepare *w) 3369ev_prepare_start (EV_P_ ev_prepare *w)
3223{ 3370{
3224 if (expect_false (ev_is_active (w))) 3371 if (expect_false (ev_is_active (w)))
3225 return; 3372 return;
… …
3251 3398
3252 ev_stop (EV_A_ (W)w); 3399 ev_stop (EV_A_ (W)w);
3253 3400
3254 EV_FREQUENT_CHECK; 3401 EV_FREQUENT_CHECK;
3255} 3402}
3403#endif
3256 3404
3405#if EV_CHECK_ENABLE
3257void 3406void
3258ev_check_start (EV_P_ ev_check *w) 3407ev_check_start (EV_P_ ev_check *w)
3259{ 3408{
3260 if (expect_false (ev_is_active (w))) 3409 if (expect_false (ev_is_active (w)))
3261 return; 3410 return;
… …
3287 3436
3288 ev_stop (EV_A_ (W)w); 3437 ev_stop (EV_A_ (W)w);
3289 3438
3290 EV_FREQUENT_CHECK; 3439 EV_FREQUENT_CHECK;
3291} 3440}
3441#endif
3292 3442
3293#if EV_EMBED_ENABLE 3443#if EV_EMBED_ENABLE
3294void noinline 3444void noinline
3295ev_embed_sweep (EV_P_ ev_embed *w) 3445ev_embed_sweep (EV_P_ ev_embed *w)
3296{ 3446{
3297 ev_loop (w->other, EVLOOP_NONBLOCK); 3447 ev_run (w->other, EVRUN_NOWAIT);
3298} 3448}
3299 3449
3300static void 3450static void
3301embed_io_cb (EV_P_ ev_io *io, int revents) 3451embed_io_cb (EV_P_ ev_io *io, int revents)
3302{ 3452{
3303 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3453 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3304 3454
3305 if (ev_cb (w)) 3455 if (ev_cb (w))
3306 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3456 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3307 else 3457 else
3308 ev_loop (w->other, EVLOOP_NONBLOCK); 3458 ev_run (w->other, EVRUN_NOWAIT);
3309} 3459}
3310 3460
3311static void 3461static void
3312embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3462embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3313{ 3463{
… …
3317 EV_P = w->other; 3467 EV_P = w->other;
3318 3468
3319 while (fdchangecnt) 3469 while (fdchangecnt)
3320 { 3470 {
3321 fd_reify (EV_A); 3471 fd_reify (EV_A);
3322 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3472 ev_run (EV_A_ EVRUN_NOWAIT);
3323 } 3473 }
3324 } 3474 }
3325} 3475}
3326 3476
3327static void 3477static void
… …
3333 3483
3334 { 3484 {
3335 EV_P = w->other; 3485 EV_P = w->other;
3336 3486
3337 ev_loop_fork (EV_A); 3487 ev_loop_fork (EV_A);
3338 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3488 ev_run (EV_A_ EVRUN_NOWAIT);
3339 } 3489 }
3340 3490
3341 ev_embed_start (EV_A_ w); 3491 ev_embed_start (EV_A_ w);
3342} 3492}
3343 3493
… …
3391 3541
3392 ev_io_stop (EV_A_ &w->io); 3542 ev_io_stop (EV_A_ &w->io);
3393 ev_prepare_stop (EV_A_ &w->prepare); 3543 ev_prepare_stop (EV_A_ &w->prepare);
3394 ev_fork_stop (EV_A_ &w->fork); 3544 ev_fork_stop (EV_A_ &w->fork);
3395 3545
3546 ev_stop (EV_A_ (W)w);
3547
3396 EV_FREQUENT_CHECK; 3548 EV_FREQUENT_CHECK;
3397} 3549}
3398#endif 3550#endif
3399 3551
3400#if EV_FORK_ENABLE 3552#if EV_FORK_ENABLE
… …
3433 3585
3434 EV_FREQUENT_CHECK; 3586 EV_FREQUENT_CHECK;
3435} 3587}
3436#endif 3588#endif
3437 3589
3438#if EV_ASYNC_ENABLE 3590#if EV_CLEANUP_ENABLE
3439void 3591void
3440ev_async_start (EV_P_ ev_async *w) 3592ev_cleanup_start (EV_P_ ev_cleanup *w)
3441{ 3593{
3442 if (expect_false (ev_is_active (w))) 3594 if (expect_false (ev_is_active (w)))
3443 return; 3595 return;
3596
3597 EV_FREQUENT_CHECK;
3598
3599 ev_start (EV_A_ (W)w, ++cleanupcnt);
3600 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3601 cleanups [cleanupcnt - 1] = w;
3602
3603 /* cleanup watchers should never keep a refcount on the loop */
3604 ev_unref (EV_A);
3605 EV_FREQUENT_CHECK;
3606}
3607
3608void
3609ev_cleanup_stop (EV_P_ ev_cleanup *w)
3610{
3611 clear_pending (EV_A_ (W)w);
3612 if (expect_false (!ev_is_active (w)))
3613 return;
3614
3615 EV_FREQUENT_CHECK;
3616 ev_ref (EV_A);
3617
3618 {
3619 int active = ev_active (w);
3620
3621 cleanups [active - 1] = cleanups [--cleanupcnt];
3622 ev_active (cleanups [active - 1]) = active;
3623 }
3624
3625 ev_stop (EV_A_ (W)w);
3626
3627 EV_FREQUENT_CHECK;
3628}
3629#endif
3630
3631#if EV_ASYNC_ENABLE
3632void
3633ev_async_start (EV_P_ ev_async *w)
3634{
3635 if (expect_false (ev_is_active (w)))
3636 return;
3637
3638 w->sent = 0;
3444 3639
3445 evpipe_init (EV_A); 3640 evpipe_init (EV_A);
3446 3641
3447 EV_FREQUENT_CHECK; 3642 EV_FREQUENT_CHECK;
3448 3643
… …
3526{ 3721{
3527 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3722 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3528 3723
3529 if (expect_false (!once)) 3724 if (expect_false (!once))
3530 { 3725 {
3531 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3726 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3532 return; 3727 return;
3533 } 3728 }
3534 3729
3535 once->cb = cb; 3730 once->cb = cb;
3536 once->arg = arg; 3731 once->arg = arg;
… …
3623 if (types & EV_ASYNC) 3818 if (types & EV_ASYNC)
3624 for (i = asynccnt; i--; ) 3819 for (i = asynccnt; i--; )
3625 cb (EV_A_ EV_ASYNC, asyncs [i]); 3820 cb (EV_A_ EV_ASYNC, asyncs [i]);
3626#endif 3821#endif
3627 3822
3823#if EV_PREPARE_ENABLE
3628 if (types & EV_PREPARE) 3824 if (types & EV_PREPARE)
3629 for (i = preparecnt; i--; ) 3825 for (i = preparecnt; i--; )
3630#if EV_EMBED_ENABLE 3826# if EV_EMBED_ENABLE
3631 if (ev_cb (prepares [i]) != embed_prepare_cb) 3827 if (ev_cb (prepares [i]) != embed_prepare_cb)
3632#endif 3828# endif
3633 cb (EV_A_ EV_PREPARE, prepares [i]); 3829 cb (EV_A_ EV_PREPARE, prepares [i]);
3830#endif
3634 3831
3832#if EV_CHECK_ENABLE
3635 if (types & EV_CHECK) 3833 if (types & EV_CHECK)
3636 for (i = checkcnt; i--; ) 3834 for (i = checkcnt; i--; )
3637 cb (EV_A_ EV_CHECK, checks [i]); 3835 cb (EV_A_ EV_CHECK, checks [i]);
3836#endif
3638 3837
3838#if EV_SIGNAL_ENABLE
3639 if (types & EV_SIGNAL) 3839 if (types & EV_SIGNAL)
3640 for (i = 0; i < EV_NSIG - 1; ++i) 3840 for (i = 0; i < EV_NSIG - 1; ++i)
3641 for (wl = signals [i].head; wl; ) 3841 for (wl = signals [i].head; wl; )
3642 { 3842 {
3643 wn = wl->next; 3843 wn = wl->next;
3644 cb (EV_A_ EV_SIGNAL, wl); 3844 cb (EV_A_ EV_SIGNAL, wl);
3645 wl = wn; 3845 wl = wn;
3646 } 3846 }
3847#endif
3647 3848
3849#if EV_CHILD_ENABLE
3648 if (types & EV_CHILD) 3850 if (types & EV_CHILD)
3649 for (i = EV_PID_HASHSIZE; i--; ) 3851 for (i = (EV_PID_HASHSIZE); i--; )
3650 for (wl = childs [i]; wl; ) 3852 for (wl = childs [i]; wl; )
3651 { 3853 {
3652 wn = wl->next; 3854 wn = wl->next;
3653 cb (EV_A_ EV_CHILD, wl); 3855 cb (EV_A_ EV_CHILD, wl);
3654 wl = wn; 3856 wl = wn;
3655 } 3857 }
3858#endif
3656/* EV_STAT 0x00001000 /* stat data changed */ 3859/* EV_STAT 0x00001000 /* stat data changed */
3657/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 3860/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3658} 3861}
3659#endif 3862#endif
3660 3863
3661#if EV_MULTIPLICITY 3864#if EV_MULTIPLICITY
3662 #include "ev_wrap.h" 3865 #include "ev_wrap.h"
3663#endif 3866#endif
3664 3867
3665#ifdef __cplusplus 3868EV_CPP(})
3666}
3667#endif
3668 3869

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