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

Comparing libev/ev.c (file contents):
Revision 1.321 by root, Thu Dec 31 06:50:17 2009 UTC vs.
Revision 1.348 by root, Fri Oct 15 22:48:25 2010 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
77# ifndef EV_USE_REALTIME 77# ifndef EV_USE_REALTIME
78# define EV_USE_REALTIME 0 78# define EV_USE_REALTIME 0
79# endif 79# endif
80# endif 80# endif
81 81
82# if HAVE_NANOSLEEP
82# ifndef EV_USE_NANOSLEEP 83# ifndef EV_USE_NANOSLEEP
83# if HAVE_NANOSLEEP
84# define EV_USE_NANOSLEEP 1 84# define EV_USE_NANOSLEEP EV_FEATURE_OS
85# endif
85# else 86# else
87# undef EV_USE_NANOSLEEP
86# define EV_USE_NANOSLEEP 0 88# define EV_USE_NANOSLEEP 0
89# endif
90
91# if HAVE_SELECT && HAVE_SYS_SELECT_H
92# ifndef EV_USE_SELECT
93# define EV_USE_SELECT EV_FEATURE_BACKENDS
87# endif 94# endif
95# else
96# undef EV_USE_SELECT
97# define EV_USE_SELECT 0
88# endif 98# endif
89 99
100# if HAVE_POLL && HAVE_POLL_H
90# ifndef EV_USE_SELECT 101# ifndef EV_USE_POLL
91# if HAVE_SELECT && HAVE_SYS_SELECT_H 102# define EV_USE_POLL EV_FEATURE_BACKENDS
92# define EV_USE_SELECT 1
93# else
94# define EV_USE_SELECT 0
95# endif 103# endif
96# endif
97
98# ifndef EV_USE_POLL
99# if HAVE_POLL && HAVE_POLL_H
100# define EV_USE_POLL 1
101# else 104# else
105# undef EV_USE_POLL
102# define EV_USE_POLL 0 106# define EV_USE_POLL 0
103# endif
104# endif 107# endif
105 108
106# ifndef EV_USE_EPOLL
107# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 109# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108# define EV_USE_EPOLL 1 110# ifndef EV_USE_EPOLL
109# else 111# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110# define EV_USE_EPOLL 0
111# endif 112# endif
113# else
114# undef EV_USE_EPOLL
115# define EV_USE_EPOLL 0
112# endif 116# endif
113 117
118# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
114# ifndef EV_USE_KQUEUE 119# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H 120# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
116# define EV_USE_KQUEUE 1
117# else
118# define EV_USE_KQUEUE 0
119# endif 121# endif
122# else
123# undef EV_USE_KQUEUE
124# define EV_USE_KQUEUE 0
120# endif 125# endif
121 126
122# ifndef EV_USE_PORT
123# if HAVE_PORT_H && HAVE_PORT_CREATE 127# if HAVE_PORT_H && HAVE_PORT_CREATE
124# define EV_USE_PORT 1 128# ifndef EV_USE_PORT
125# else 129# define EV_USE_PORT EV_FEATURE_BACKENDS
126# define EV_USE_PORT 0
127# endif 130# endif
131# else
132# undef EV_USE_PORT
133# define EV_USE_PORT 0
128# endif 134# endif
129 135
130# ifndef EV_USE_INOTIFY
131# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H 136# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132# define EV_USE_INOTIFY 1 137# ifndef EV_USE_INOTIFY
133# else
134# define EV_USE_INOTIFY 0 138# define EV_USE_INOTIFY EV_FEATURE_OS
135# endif 139# endif
140# else
141# undef EV_USE_INOTIFY
142# define EV_USE_INOTIFY 0
136# endif 143# endif
137 144
138# ifndef EV_USE_SIGNALFD
139# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H 145# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140# define EV_USE_SIGNALFD 1 146# ifndef EV_USE_SIGNALFD
141# else
142# define EV_USE_SIGNALFD 0 147# define EV_USE_SIGNALFD EV_FEATURE_OS
143# endif 148# endif
149# else
150# undef EV_USE_SIGNALFD
151# define EV_USE_SIGNALFD 0
144# endif 152# endif
145 153
154# if HAVE_EVENTFD
146# ifndef EV_USE_EVENTFD 155# ifndef EV_USE_EVENTFD
147# if HAVE_EVENTFD
148# define EV_USE_EVENTFD 1 156# define EV_USE_EVENTFD EV_FEATURE_OS
149# else
150# define EV_USE_EVENTFD 0
151# endif 157# endif
158# else
159# undef EV_USE_EVENTFD
160# define EV_USE_EVENTFD 0
152# endif 161# endif
153 162
154#endif 163#endif
155 164
156#include <math.h> 165#include <math.h>
163 172
164#include <assert.h> 173#include <assert.h>
165#include <errno.h> 174#include <errno.h>
166#include <sys/types.h> 175#include <sys/types.h>
167#include <time.h> 176#include <time.h>
177#include <limits.h>
168 178
169#include <signal.h> 179#include <signal.h>
170 180
171#ifdef EV_H 181#ifdef EV_H
172# include EV_H 182# include EV_H
183# define WIN32_LEAN_AND_MEAN 193# define WIN32_LEAN_AND_MEAN
184# include <windows.h> 194# include <windows.h>
185# ifndef EV_SELECT_IS_WINSOCKET 195# ifndef EV_SELECT_IS_WINSOCKET
186# define EV_SELECT_IS_WINSOCKET 1 196# define EV_SELECT_IS_WINSOCKET 1
187# endif 197# endif
198# undef EV_AVOID_STDIO
188#endif 199#endif
200
201/* OS X, in its infinite idiocy, actually HARDCODES
202 * a limit of 1024 into their select. Where people have brains,
203 * OS X engineers apparently have a vacuum. Or maybe they were
204 * ordered to have a vacuum, or they do anything for money.
205 * This might help. Or not.
206 */
207#define _DARWIN_UNLIMITED_SELECT 1
189 208
190/* this block tries to deduce configuration from header-defined symbols and defaults */ 209/* this block tries to deduce configuration from header-defined symbols and defaults */
191 210
192/* try to deduce the maximum number of signals on this platform */ 211/* try to deduce the maximum number of signals on this platform */
193#if defined (EV_NSIG) 212#if defined (EV_NSIG)
205#elif defined (MAXSIG) 224#elif defined (MAXSIG)
206# define EV_NSIG (MAXSIG+1) 225# define EV_NSIG (MAXSIG+1)
207#elif defined (MAX_SIG) 226#elif defined (MAX_SIG)
208# define EV_NSIG (MAX_SIG+1) 227# define EV_NSIG (MAX_SIG+1)
209#elif defined (SIGARRAYSIZE) 228#elif defined (SIGARRAYSIZE)
210# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 229# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
211#elif defined (_sys_nsig) 230#elif defined (_sys_nsig)
212# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 231# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
213#else 232#else
214# error "unable to find value for NSIG, please report" 233# error "unable to find value for NSIG, please report"
215/* to make it compile regardless, just remove the above line */ 234/* to make it compile regardless, just remove the above line, */
235/* but consider reporting it, too! :) */
216# define EV_NSIG 65 236# define EV_NSIG 65
217#endif 237#endif
218 238
219#ifndef EV_USE_CLOCK_SYSCALL 239#ifndef EV_USE_CLOCK_SYSCALL
220# if __linux && __GLIBC__ >= 2 240# if __linux && __GLIBC__ >= 2
221# define EV_USE_CLOCK_SYSCALL 1 241# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
222# else 242# else
223# define EV_USE_CLOCK_SYSCALL 0 243# define EV_USE_CLOCK_SYSCALL 0
224# endif 244# endif
225#endif 245#endif
226 246
227#ifndef EV_USE_MONOTONIC 247#ifndef EV_USE_MONOTONIC
228# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 248# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
229# define EV_USE_MONOTONIC 1 249# define EV_USE_MONOTONIC EV_FEATURE_OS
230# else 250# else
231# define EV_USE_MONOTONIC 0 251# define EV_USE_MONOTONIC 0
232# endif 252# endif
233#endif 253#endif
234 254
236# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 256# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
237#endif 257#endif
238 258
239#ifndef EV_USE_NANOSLEEP 259#ifndef EV_USE_NANOSLEEP
240# if _POSIX_C_SOURCE >= 199309L 260# if _POSIX_C_SOURCE >= 199309L
241# define EV_USE_NANOSLEEP 1 261# define EV_USE_NANOSLEEP EV_FEATURE_OS
242# else 262# else
243# define EV_USE_NANOSLEEP 0 263# define EV_USE_NANOSLEEP 0
244# endif 264# endif
245#endif 265#endif
246 266
247#ifndef EV_USE_SELECT 267#ifndef EV_USE_SELECT
248# define EV_USE_SELECT 1 268# define EV_USE_SELECT EV_FEATURE_BACKENDS
249#endif 269#endif
250 270
251#ifndef EV_USE_POLL 271#ifndef EV_USE_POLL
252# ifdef _WIN32 272# ifdef _WIN32
253# define EV_USE_POLL 0 273# define EV_USE_POLL 0
254# else 274# else
255# define EV_USE_POLL 1 275# define EV_USE_POLL EV_FEATURE_BACKENDS
256# endif 276# endif
257#endif 277#endif
258 278
259#ifndef EV_USE_EPOLL 279#ifndef EV_USE_EPOLL
260# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 280# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
261# define EV_USE_EPOLL 1 281# define EV_USE_EPOLL EV_FEATURE_BACKENDS
262# else 282# else
263# define EV_USE_EPOLL 0 283# define EV_USE_EPOLL 0
264# endif 284# endif
265#endif 285#endif
266 286
272# define EV_USE_PORT 0 292# define EV_USE_PORT 0
273#endif 293#endif
274 294
275#ifndef EV_USE_INOTIFY 295#ifndef EV_USE_INOTIFY
276# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 296# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
277# define EV_USE_INOTIFY 1 297# define EV_USE_INOTIFY EV_FEATURE_OS
278# else 298# else
279# define EV_USE_INOTIFY 0 299# define EV_USE_INOTIFY 0
280# endif 300# endif
281#endif 301#endif
282 302
283#ifndef EV_PID_HASHSIZE 303#ifndef EV_PID_HASHSIZE
284# if EV_MINIMAL 304# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
285# define EV_PID_HASHSIZE 1
286# else
287# define EV_PID_HASHSIZE 16
288# endif
289#endif 305#endif
290 306
291#ifndef EV_INOTIFY_HASHSIZE 307#ifndef EV_INOTIFY_HASHSIZE
292# if EV_MINIMAL 308# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
293# define EV_INOTIFY_HASHSIZE 1
294# else
295# define EV_INOTIFY_HASHSIZE 16
296# endif
297#endif 309#endif
298 310
299#ifndef EV_USE_EVENTFD 311#ifndef EV_USE_EVENTFD
300# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 312# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
301# define EV_USE_EVENTFD 1 313# define EV_USE_EVENTFD EV_FEATURE_OS
302# else 314# else
303# define EV_USE_EVENTFD 0 315# define EV_USE_EVENTFD 0
304# endif 316# endif
305#endif 317#endif
306 318
307#ifndef EV_USE_SIGNALFD 319#ifndef EV_USE_SIGNALFD
308# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 320# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
309# define EV_USE_SIGNALFD 1 321# define EV_USE_SIGNALFD EV_FEATURE_OS
310# else 322# else
311# define EV_USE_SIGNALFD 0 323# define EV_USE_SIGNALFD 0
312# endif 324# endif
313#endif 325#endif
314 326
317# define EV_USE_4HEAP 1 329# define EV_USE_4HEAP 1
318# define EV_HEAP_CACHE_AT 1 330# define EV_HEAP_CACHE_AT 1
319#endif 331#endif
320 332
321#ifndef EV_VERIFY 333#ifndef EV_VERIFY
322# define EV_VERIFY !EV_MINIMAL 334# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
323#endif 335#endif
324 336
325#ifndef EV_USE_4HEAP 337#ifndef EV_USE_4HEAP
326# define EV_USE_4HEAP !EV_MINIMAL 338# define EV_USE_4HEAP EV_FEATURE_DATA
327#endif 339#endif
328 340
329#ifndef EV_HEAP_CACHE_AT 341#ifndef EV_HEAP_CACHE_AT
330# define EV_HEAP_CACHE_AT !EV_MINIMAL 342# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
331#endif 343#endif
332 344
333/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 345/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
334/* which makes programs even slower. might work on other unices, too. */ 346/* which makes programs even slower. might work on other unices, too. */
335#if EV_USE_CLOCK_SYSCALL 347#if EV_USE_CLOCK_SYSCALL
343# define EV_USE_CLOCK_SYSCALL 0 355# define EV_USE_CLOCK_SYSCALL 0
344# endif 356# endif
345#endif 357#endif
346 358
347/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 359/* this block fixes any misconfiguration where we know we run into trouble otherwise */
360
361#ifdef _AIX
362/* AIX has a completely broken poll.h header */
363# undef EV_USE_POLL
364# define EV_USE_POLL 0
365#endif
348 366
349#ifndef CLOCK_MONOTONIC 367#ifndef CLOCK_MONOTONIC
350# undef EV_USE_MONOTONIC 368# undef EV_USE_MONOTONIC
351# define EV_USE_MONOTONIC 0 369# define EV_USE_MONOTONIC 0
352#endif 370#endif
396# endif 414# endif
397# endif 415# endif
398# ifdef __cplusplus 416# ifdef __cplusplus
399extern "C" { 417extern "C" {
400# endif 418# endif
401int eventfd (unsigned int initval, int flags); 419int (eventfd) (unsigned int initval, int flags);
402# ifdef __cplusplus 420# ifdef __cplusplus
403} 421}
404# endif 422# endif
405#endif 423#endif
406 424
430# ifdef __cplusplus 448# ifdef __cplusplus
431} 449}
432# endif 450# endif
433#endif 451#endif
434 452
435
436/**/ 453/**/
437 454
438#if EV_VERIFY >= 3 455#if EV_VERIFY >= 3
439# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 456# define EV_FREQUENT_CHECK ev_verify (EV_A)
440#else 457#else
441# define EV_FREQUENT_CHECK do { } while (0) 458# define EV_FREQUENT_CHECK do { } while (0)
442#endif 459#endif
443 460
444/* 461/*
452#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 469#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
453 470
454#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 471#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
455#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 472#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
456 473
474#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
475#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
476
457#if __GNUC__ >= 4 477#if __GNUC__ >= 4
458# define expect(expr,value) __builtin_expect ((expr),(value)) 478# define expect(expr,value) __builtin_expect ((expr),(value))
459# define noinline __attribute__ ((noinline)) 479# define noinline __attribute__ ((noinline))
460#else 480#else
461# define expect(expr,value) (expr) 481# define expect(expr,value) (expr)
467 487
468#define expect_false(expr) expect ((expr) != 0, 0) 488#define expect_false(expr) expect ((expr) != 0, 0)
469#define expect_true(expr) expect ((expr) != 0, 1) 489#define expect_true(expr) expect ((expr) != 0, 1)
470#define inline_size static inline 490#define inline_size static inline
471 491
472#if EV_MINIMAL 492#if EV_FEATURE_CODE
493# define inline_speed static inline
494#else
473# define inline_speed static noinline 495# define inline_speed static noinline
474#else
475# define inline_speed static inline
476#endif 496#endif
477 497
478#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 498#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
479 499
480#if EV_MINPRI == EV_MAXPRI 500#if EV_MINPRI == EV_MAXPRI
493#define ev_active(w) ((W)(w))->active 513#define ev_active(w) ((W)(w))->active
494#define ev_at(w) ((WT)(w))->at 514#define ev_at(w) ((WT)(w))->at
495 515
496#if EV_USE_REALTIME 516#if EV_USE_REALTIME
497/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 517/* sig_atomic_t is used to avoid per-thread variables or locking but still */
498/* giving it a reasonably high chance of working on typical architetcures */ 518/* giving it a reasonably high chance of working on typical architectures */
499static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 519static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
500#endif 520#endif
501 521
502#if EV_USE_MONOTONIC 522#if EV_USE_MONOTONIC
503static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 523static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
505 525
506#ifndef EV_FD_TO_WIN32_HANDLE 526#ifndef EV_FD_TO_WIN32_HANDLE
507# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) 527# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
508#endif 528#endif
509#ifndef EV_WIN32_HANDLE_TO_FD 529#ifndef EV_WIN32_HANDLE_TO_FD
510# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (fd, 0) 530# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
511#endif 531#endif
512#ifndef EV_WIN32_CLOSE_FD 532#ifndef EV_WIN32_CLOSE_FD
513# define EV_WIN32_CLOSE_FD(fd) close (fd) 533# define EV_WIN32_CLOSE_FD(fd) close (fd)
514#endif 534#endif
515 535
516#ifdef _WIN32 536#ifdef _WIN32
517# include "ev_win32.c" 537# include "ev_win32.c"
518#endif 538#endif
519 539
520/*****************************************************************************/ 540/*****************************************************************************/
541
542#if EV_AVOID_STDIO
543static void noinline
544ev_printerr (const char *msg)
545{
546 write (STDERR_FILENO, msg, strlen (msg));
547}
548#endif
521 549
522static void (*syserr_cb)(const char *msg); 550static void (*syserr_cb)(const char *msg);
523 551
524void 552void
525ev_set_syserr_cb (void (*cb)(const char *msg)) 553ev_set_syserr_cb (void (*cb)(const char *msg))
535 563
536 if (syserr_cb) 564 if (syserr_cb)
537 syserr_cb (msg); 565 syserr_cb (msg);
538 else 566 else
539 { 567 {
568#if EV_AVOID_STDIO
569 const char *err = strerror (errno);
570
571 ev_printerr (msg);
572 ev_printerr (": ");
573 ev_printerr (err);
574 ev_printerr ("\n");
575#else
540 perror (msg); 576 perror (msg);
577#endif
541 abort (); 578 abort ();
542 } 579 }
543} 580}
544 581
545static void * 582static void *
546ev_realloc_emul (void *ptr, long size) 583ev_realloc_emul (void *ptr, long size)
547{ 584{
585#if __GLIBC__
586 return realloc (ptr, size);
587#else
548 /* some systems, notably openbsd and darwin, fail to properly 588 /* some systems, notably openbsd and darwin, fail to properly
549 * implement realloc (x, 0) (as required by both ansi c-98 and 589 * implement realloc (x, 0) (as required by both ansi c-89 and
550 * the single unix specification, so work around them here. 590 * the single unix specification, so work around them here.
551 */ 591 */
552 592
553 if (size) 593 if (size)
554 return realloc (ptr, size); 594 return realloc (ptr, size);
555 595
556 free (ptr); 596 free (ptr);
557 return 0; 597 return 0;
598#endif
558} 599}
559 600
560static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 601static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
561 602
562void 603void
570{ 611{
571 ptr = alloc (ptr, size); 612 ptr = alloc (ptr, size);
572 613
573 if (!ptr && size) 614 if (!ptr && size)
574 { 615 {
616#if EV_AVOID_STDIO
617 ev_printerr ("libev: memory allocation failed, aborting.\n");
618#else
575 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 619 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
620#endif
576 abort (); 621 abort ();
577 } 622 }
578 623
579 return ptr; 624 return ptr;
580} 625}
662 707
663 static int ev_default_loop_ptr; 708 static int ev_default_loop_ptr;
664 709
665#endif 710#endif
666 711
667#if EV_MINIMAL < 2 712#if EV_FEATURE_API
668# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 713# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
669# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 714# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
670# define EV_INVOKE_PENDING invoke_cb (EV_A) 715# define EV_INVOKE_PENDING invoke_cb (EV_A)
671#else 716#else
672# define EV_RELEASE_CB (void)0 717# define EV_RELEASE_CB (void)0
726 if (delay > 0.) 771 if (delay > 0.)
727 { 772 {
728#if EV_USE_NANOSLEEP 773#if EV_USE_NANOSLEEP
729 struct timespec ts; 774 struct timespec ts;
730 775
731 ts.tv_sec = (time_t)delay; 776 EV_TS_SET (ts, delay);
732 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
733
734 nanosleep (&ts, 0); 777 nanosleep (&ts, 0);
735#elif defined(_WIN32) 778#elif defined(_WIN32)
736 Sleep ((unsigned long)(delay * 1e3)); 779 Sleep ((unsigned long)(delay * 1e3));
737#else 780#else
738 struct timeval tv; 781 struct timeval tv;
739 782
740 tv.tv_sec = (time_t)delay;
741 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
742
743 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 783 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
744 /* something not guaranteed by newer posix versions, but guaranteed */ 784 /* something not guaranteed by newer posix versions, but guaranteed */
745 /* by older ones */ 785 /* by older ones */
786 EV_TS_SET (tv, delay);
746 select (0, 0, 0, 0, &tv); 787 select (0, 0, 0, 0, &tv);
747#endif 788#endif
748 } 789 }
749} 790}
750 791
751/*****************************************************************************/ 792/*****************************************************************************/
752 793
753#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 794#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
754 795
755/* find a suitable new size for the given array, */ 796/* find a suitable new size for the given array, */
756/* hopefully by rounding to a ncie-to-malloc size */ 797/* hopefully by rounding to a nice-to-malloc size */
757inline_size int 798inline_size int
758array_nextsize (int elem, int cur, int cnt) 799array_nextsize (int elem, int cur, int cnt)
759{ 800{
760 int ncur = cur + 1; 801 int ncur = cur + 1;
761 802
857} 898}
858 899
859/*****************************************************************************/ 900/*****************************************************************************/
860 901
861inline_speed void 902inline_speed void
862fd_event_nc (EV_P_ int fd, int revents) 903fd_event_nocheck (EV_P_ int fd, int revents)
863{ 904{
864 ANFD *anfd = anfds + fd; 905 ANFD *anfd = anfds + fd;
865 ev_io *w; 906 ev_io *w;
866 907
867 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 908 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
879fd_event (EV_P_ int fd, int revents) 920fd_event (EV_P_ int fd, int revents)
880{ 921{
881 ANFD *anfd = anfds + fd; 922 ANFD *anfd = anfds + fd;
882 923
883 if (expect_true (!anfd->reify)) 924 if (expect_true (!anfd->reify))
884 fd_event_nc (EV_A_ fd, revents); 925 fd_event_nocheck (EV_A_ fd, revents);
885} 926}
886 927
887void 928void
888ev_feed_fd_event (EV_P_ int fd, int revents) 929ev_feed_fd_event (EV_P_ int fd, int revents)
889{ 930{
890 if (fd >= 0 && fd < anfdmax) 931 if (fd >= 0 && fd < anfdmax)
891 fd_event_nc (EV_A_ fd, revents); 932 fd_event_nocheck (EV_A_ fd, revents);
892} 933}
893 934
894/* make sure the external fd watch events are in-sync */ 935/* make sure the external fd watch events are in-sync */
895/* with the kernel/libev internal state */ 936/* with the kernel/libev internal state */
896inline_size void 937inline_size void
959 ev_io_stop (EV_A_ w); 1000 ev_io_stop (EV_A_ w);
960 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1001 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
961 } 1002 }
962} 1003}
963 1004
964/* check whether the given fd is atcually valid, for error recovery */ 1005/* check whether the given fd is actually valid, for error recovery */
965inline_size int 1006inline_size int
966fd_valid (int fd) 1007fd_valid (int fd)
967{ 1008{
968#ifdef _WIN32 1009#ifdef _WIN32
969 return _get_osfhandle (fd) != -1; 1010 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
970#else 1011#else
971 return fcntl (fd, F_GETFD) != -1; 1012 return fcntl (fd, F_GETFD) != -1;
972#endif 1013#endif
973} 1014}
974 1015
1011 anfds [fd].emask = 0; 1052 anfds [fd].emask = 0;
1012 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1053 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
1013 } 1054 }
1014} 1055}
1015 1056
1057/* used to prepare libev internal fd's */
1058/* this is not fork-safe */
1059inline_speed void
1060fd_intern (int fd)
1061{
1062#ifdef _WIN32
1063 unsigned long arg = 1;
1064 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1065#else
1066 fcntl (fd, F_SETFD, FD_CLOEXEC);
1067 fcntl (fd, F_SETFL, O_NONBLOCK);
1068#endif
1069}
1070
1016/*****************************************************************************/ 1071/*****************************************************************************/
1017 1072
1018/* 1073/*
1019 * the heap functions want a real array index. array index 0 uis guaranteed to not 1074 * the heap functions want a real array index. array index 0 is guaranteed to not
1020 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives 1075 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1021 * the branching factor of the d-tree. 1076 * the branching factor of the d-tree.
1022 */ 1077 */
1023 1078
1024/* 1079/*
1172 1227
1173static ANSIG signals [EV_NSIG - 1]; 1228static ANSIG signals [EV_NSIG - 1];
1174 1229
1175/*****************************************************************************/ 1230/*****************************************************************************/
1176 1231
1177/* used to prepare libev internal fd's */ 1232#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1178/* this is not fork-safe */
1179inline_speed void
1180fd_intern (int fd)
1181{
1182#ifdef _WIN32
1183 unsigned long arg = 1;
1184 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1185#else
1186 fcntl (fd, F_SETFD, FD_CLOEXEC);
1187 fcntl (fd, F_SETFL, O_NONBLOCK);
1188#endif
1189}
1190 1233
1191static void noinline 1234static void noinline
1192evpipe_init (EV_P) 1235evpipe_init (EV_P)
1193{ 1236{
1194 if (!ev_is_active (&pipe_w)) 1237 if (!ev_is_active (&pipe_w))
1195 { 1238 {
1196#if EV_USE_EVENTFD 1239# if EV_USE_EVENTFD
1197 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1240 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1198 if (evfd < 0 && errno == EINVAL) 1241 if (evfd < 0 && errno == EINVAL)
1199 evfd = eventfd (0, 0); 1242 evfd = eventfd (0, 0);
1200 1243
1201 if (evfd >= 0) 1244 if (evfd >= 0)
1203 evpipe [0] = -1; 1246 evpipe [0] = -1;
1204 fd_intern (evfd); /* doing it twice doesn't hurt */ 1247 fd_intern (evfd); /* doing it twice doesn't hurt */
1205 ev_io_set (&pipe_w, evfd, EV_READ); 1248 ev_io_set (&pipe_w, evfd, EV_READ);
1206 } 1249 }
1207 else 1250 else
1208#endif 1251# endif
1209 { 1252 {
1210 while (pipe (evpipe)) 1253 while (pipe (evpipe))
1211 ev_syserr ("(libev) error creating signal/async pipe"); 1254 ev_syserr ("(libev) error creating signal/async pipe");
1212 1255
1213 fd_intern (evpipe [0]); 1256 fd_intern (evpipe [0]);
1224evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1267evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1225{ 1268{
1226 if (!*flag) 1269 if (!*flag)
1227 { 1270 {
1228 int old_errno = errno; /* save errno because write might clobber it */ 1271 int old_errno = errno; /* save errno because write might clobber it */
1272 char dummy;
1229 1273
1230 *flag = 1; 1274 *flag = 1;
1231 1275
1232#if EV_USE_EVENTFD 1276#if EV_USE_EVENTFD
1233 if (evfd >= 0) 1277 if (evfd >= 0)
1235 uint64_t counter = 1; 1279 uint64_t counter = 1;
1236 write (evfd, &counter, sizeof (uint64_t)); 1280 write (evfd, &counter, sizeof (uint64_t));
1237 } 1281 }
1238 else 1282 else
1239#endif 1283#endif
1284 /* win32 people keep sending patches that change this write() to send() */
1285 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1286 /* so when you think this write should be a send instead, please find out */
1287 /* where your send() is from - it's definitely not the microsoft send, and */
1288 /* tell me. thank you. */
1240 write (evpipe [1], &old_errno, 1); 1289 write (evpipe [1], &dummy, 1);
1241 1290
1242 errno = old_errno; 1291 errno = old_errno;
1243 } 1292 }
1244} 1293}
1245 1294
1258 } 1307 }
1259 else 1308 else
1260#endif 1309#endif
1261 { 1310 {
1262 char dummy; 1311 char dummy;
1312 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1263 read (evpipe [0], &dummy, 1); 1313 read (evpipe [0], &dummy, 1);
1264 } 1314 }
1265 1315
1266 if (sig_pending) 1316 if (sig_pending)
1267 { 1317 {
1294{ 1344{
1295#if EV_MULTIPLICITY 1345#if EV_MULTIPLICITY
1296 EV_P = signals [signum - 1].loop; 1346 EV_P = signals [signum - 1].loop;
1297#endif 1347#endif
1298 1348
1299#if _WIN32 1349#ifdef _WIN32
1300 signal (signum, ev_sighandler); 1350 signal (signum, ev_sighandler);
1301#endif 1351#endif
1302 1352
1303 signals [signum - 1].pending = 1; 1353 signals [signum - 1].pending = 1;
1304 evpipe_write (EV_A_ &sig_pending); 1354 evpipe_write (EV_A_ &sig_pending);
1346 break; 1396 break;
1347 } 1397 }
1348} 1398}
1349#endif 1399#endif
1350 1400
1401#endif
1402
1351/*****************************************************************************/ 1403/*****************************************************************************/
1352 1404
1405#if EV_CHILD_ENABLE
1353static WL childs [EV_PID_HASHSIZE]; 1406static WL childs [EV_PID_HASHSIZE];
1354
1355#ifndef _WIN32
1356 1407
1357static ev_signal childev; 1408static ev_signal childev;
1358 1409
1359#ifndef WIFCONTINUED 1410#ifndef WIFCONTINUED
1360# define WIFCONTINUED(status) 0 1411# define WIFCONTINUED(status) 0
1365child_reap (EV_P_ int chain, int pid, int status) 1416child_reap (EV_P_ int chain, int pid, int status)
1366{ 1417{
1367 ev_child *w; 1418 ev_child *w;
1368 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1419 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1369 1420
1370 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1421 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1371 { 1422 {
1372 if ((w->pid == pid || !w->pid) 1423 if ((w->pid == pid || !w->pid)
1373 && (!traced || (w->flags & 1))) 1424 && (!traced || (w->flags & 1)))
1374 { 1425 {
1375 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1426 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
1400 /* make sure we are called again until all children have been reaped */ 1451 /* make sure we are called again until all children have been reaped */
1401 /* we need to do it this way so that the callback gets called before we continue */ 1452 /* we need to do it this way so that the callback gets called before we continue */
1402 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1453 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1403 1454
1404 child_reap (EV_A_ pid, pid, status); 1455 child_reap (EV_A_ pid, pid, status);
1405 if (EV_PID_HASHSIZE > 1) 1456 if ((EV_PID_HASHSIZE) > 1)
1406 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1457 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1407} 1458}
1408 1459
1409#endif 1460#endif
1410 1461
1477#ifdef __APPLE__ 1528#ifdef __APPLE__
1478 /* only select works correctly on that "unix-certified" platform */ 1529 /* only select works correctly on that "unix-certified" platform */
1479 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1530 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1480 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1531 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1481#endif 1532#endif
1533#ifdef __FreeBSD__
1534 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1535#endif
1482 1536
1483 return flags; 1537 return flags;
1484} 1538}
1485 1539
1486unsigned int 1540unsigned int
1499ev_backend (EV_P) 1553ev_backend (EV_P)
1500{ 1554{
1501 return backend; 1555 return backend;
1502} 1556}
1503 1557
1504#if EV_MINIMAL < 2 1558#if EV_FEATURE_API
1505unsigned int 1559unsigned int
1506ev_loop_count (EV_P) 1560ev_iteration (EV_P)
1507{ 1561{
1508 return loop_count; 1562 return loop_count;
1509} 1563}
1510 1564
1511unsigned int 1565unsigned int
1512ev_loop_depth (EV_P) 1566ev_depth (EV_P)
1513{ 1567{
1514 return loop_depth; 1568 return loop_depth;
1515} 1569}
1516 1570
1517void 1571void
1589 1643
1590 ev_rt_now = ev_time (); 1644 ev_rt_now = ev_time ();
1591 mn_now = get_clock (); 1645 mn_now = get_clock ();
1592 now_floor = mn_now; 1646 now_floor = mn_now;
1593 rtmn_diff = ev_rt_now - mn_now; 1647 rtmn_diff = ev_rt_now - mn_now;
1594#if EV_MINIMAL < 2 1648#if EV_FEATURE_API
1595 invoke_cb = ev_invoke_pending; 1649 invoke_cb = ev_invoke_pending;
1596#endif 1650#endif
1597 1651
1598 io_blocktime = 0.; 1652 io_blocktime = 0.;
1599 timeout_blocktime = 0.; 1653 timeout_blocktime = 0.;
1629 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1683 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1630#endif 1684#endif
1631 1685
1632 ev_prepare_init (&pending_w, pendingcb); 1686 ev_prepare_init (&pending_w, pendingcb);
1633 1687
1688#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1634 ev_init (&pipe_w, pipecb); 1689 ev_init (&pipe_w, pipecb);
1635 ev_set_priority (&pipe_w, EV_MAXPRI); 1690 ev_set_priority (&pipe_w, EV_MAXPRI);
1691#endif
1636 } 1692 }
1637} 1693}
1638 1694
1639/* free up a loop structure */ 1695/* free up a loop structure */
1640static void noinline 1696static void noinline
1758 { 1814 {
1759 EV_WIN32_CLOSE_FD (evpipe [0]); 1815 EV_WIN32_CLOSE_FD (evpipe [0]);
1760 EV_WIN32_CLOSE_FD (evpipe [1]); 1816 EV_WIN32_CLOSE_FD (evpipe [1]);
1761 } 1817 }
1762 1818
1819#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1763 evpipe_init (EV_A); 1820 evpipe_init (EV_A);
1764 /* now iterate over everything, in case we missed something */ 1821 /* now iterate over everything, in case we missed something */
1765 pipecb (EV_A_ &pipe_w, EV_READ); 1822 pipecb (EV_A_ &pipe_w, EV_READ);
1823#endif
1766 } 1824 }
1767 1825
1768 postfork = 0; 1826 postfork = 0;
1769} 1827}
1770 1828
1832 verify_watcher (EV_A_ ws [cnt]); 1890 verify_watcher (EV_A_ ws [cnt]);
1833 } 1891 }
1834} 1892}
1835#endif 1893#endif
1836 1894
1837#if EV_MINIMAL < 2 1895#if EV_FEATURE_API
1838void 1896void
1839ev_loop_verify (EV_P) 1897ev_verify (EV_P)
1840{ 1898{
1841#if EV_VERIFY 1899#if EV_VERIFY
1842 int i; 1900 int i;
1843 WL w; 1901 WL w;
1844 1902
1883#if EV_ASYNC_ENABLE 1941#if EV_ASYNC_ENABLE
1884 assert (asyncmax >= asynccnt); 1942 assert (asyncmax >= asynccnt);
1885 array_verify (EV_A_ (W *)asyncs, asynccnt); 1943 array_verify (EV_A_ (W *)asyncs, asynccnt);
1886#endif 1944#endif
1887 1945
1946#if EV_PREPARE_ENABLE
1888 assert (preparemax >= preparecnt); 1947 assert (preparemax >= preparecnt);
1889 array_verify (EV_A_ (W *)prepares, preparecnt); 1948 array_verify (EV_A_ (W *)prepares, preparecnt);
1949#endif
1890 1950
1951#if EV_CHECK_ENABLE
1891 assert (checkmax >= checkcnt); 1952 assert (checkmax >= checkcnt);
1892 array_verify (EV_A_ (W *)checks, checkcnt); 1953 array_verify (EV_A_ (W *)checks, checkcnt);
1954#endif
1893 1955
1894# if 0 1956# if 0
1957#if EV_CHILD_ENABLE
1895 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1958 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1896 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) 1959 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1960#endif
1897# endif 1961# endif
1898#endif 1962#endif
1899} 1963}
1900#endif 1964#endif
1901 1965
1917 1981
1918 loop_init (EV_A_ flags); 1982 loop_init (EV_A_ flags);
1919 1983
1920 if (ev_backend (EV_A)) 1984 if (ev_backend (EV_A))
1921 { 1985 {
1922#ifndef _WIN32 1986#if EV_CHILD_ENABLE
1923 ev_signal_init (&childev, childcb, SIGCHLD); 1987 ev_signal_init (&childev, childcb, SIGCHLD);
1924 ev_set_priority (&childev, EV_MAXPRI); 1988 ev_set_priority (&childev, EV_MAXPRI);
1925 ev_signal_start (EV_A_ &childev); 1989 ev_signal_start (EV_A_ &childev);
1926 ev_unref (EV_A); /* child watcher should not keep loop alive */ 1990 ev_unref (EV_A); /* child watcher should not keep loop alive */
1927#endif 1991#endif
1940 EV_P = ev_default_loop_ptr; 2004 EV_P = ev_default_loop_ptr;
1941#endif 2005#endif
1942 2006
1943 ev_default_loop_ptr = 0; 2007 ev_default_loop_ptr = 0;
1944 2008
1945#ifndef _WIN32 2009#if EV_CHILD_ENABLE
1946 ev_ref (EV_A); /* child watcher */ 2010 ev_ref (EV_A); /* child watcher */
1947 ev_signal_stop (EV_A_ &childev); 2011 ev_signal_stop (EV_A_ &childev);
1948#endif 2012#endif
1949 2013
1950 loop_destroy (EV_A); 2014 loop_destroy (EV_A);
2056 EV_FREQUENT_CHECK; 2120 EV_FREQUENT_CHECK;
2057 feed_reverse (EV_A_ (W)w); 2121 feed_reverse (EV_A_ (W)w);
2058 } 2122 }
2059 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2123 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2060 2124
2061 feed_reverse_done (EV_A_ EV_TIMEOUT); 2125 feed_reverse_done (EV_A_ EV_TIMER);
2062 } 2126 }
2063} 2127}
2064 2128
2065#if EV_PERIODIC_ENABLE 2129#if EV_PERIODIC_ENABLE
2066/* make periodics pending */ 2130/* make periodics pending */
2119 feed_reverse_done (EV_A_ EV_PERIODIC); 2183 feed_reverse_done (EV_A_ EV_PERIODIC);
2120 } 2184 }
2121} 2185}
2122 2186
2123/* simply recalculate all periodics */ 2187/* simply recalculate all periodics */
2124/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2188/* TODO: maybe ensure that at least one event happens when jumping forward? */
2125static void noinline 2189static void noinline
2126periodics_reschedule (EV_P) 2190periodics_reschedule (EV_P)
2127{ 2191{
2128 int i; 2192 int i;
2129 2193
2157 ANHE_at_cache (*he); 2221 ANHE_at_cache (*he);
2158 } 2222 }
2159} 2223}
2160 2224
2161/* fetch new monotonic and realtime times from the kernel */ 2225/* fetch new monotonic and realtime times from the kernel */
2162/* also detetc if there was a timejump, and act accordingly */ 2226/* also detect if there was a timejump, and act accordingly */
2163inline_speed void 2227inline_speed void
2164time_update (EV_P_ ev_tstamp max_block) 2228time_update (EV_P_ ev_tstamp max_block)
2165{ 2229{
2166#if EV_USE_MONOTONIC 2230#if EV_USE_MONOTONIC
2167 if (expect_true (have_monotonic)) 2231 if (expect_true (have_monotonic))
2227} 2291}
2228 2292
2229void 2293void
2230ev_loop (EV_P_ int flags) 2294ev_loop (EV_P_ int flags)
2231{ 2295{
2232#if EV_MINIMAL < 2 2296#if EV_FEATURE_API
2233 ++loop_depth; 2297 ++loop_depth;
2234#endif 2298#endif
2235 2299
2236 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2300 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2237 2301
2240 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2304 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2241 2305
2242 do 2306 do
2243 { 2307 {
2244#if EV_VERIFY >= 2 2308#if EV_VERIFY >= 2
2245 ev_loop_verify (EV_A); 2309 ev_verify (EV_A);
2246#endif 2310#endif
2247 2311
2248#ifndef _WIN32 2312#ifndef _WIN32
2249 if (expect_false (curpid)) /* penalise the forking check even more */ 2313 if (expect_false (curpid)) /* penalise the forking check even more */
2250 if (expect_false (getpid () != curpid)) 2314 if (expect_false (getpid () != curpid))
2262 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2326 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2263 EV_INVOKE_PENDING; 2327 EV_INVOKE_PENDING;
2264 } 2328 }
2265#endif 2329#endif
2266 2330
2331#if EV_PREPARE_ENABLE
2267 /* queue prepare watchers (and execute them) */ 2332 /* queue prepare watchers (and execute them) */
2268 if (expect_false (preparecnt)) 2333 if (expect_false (preparecnt))
2269 { 2334 {
2270 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2335 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2271 EV_INVOKE_PENDING; 2336 EV_INVOKE_PENDING;
2272 } 2337 }
2338#endif
2273 2339
2274 if (expect_false (loop_done)) 2340 if (expect_false (loop_done))
2275 break; 2341 break;
2276 2342
2277 /* we might have forked, so reify kernel state if necessary */ 2343 /* we might have forked, so reify kernel state if necessary */
2328 waittime -= sleeptime; 2394 waittime -= sleeptime;
2329 } 2395 }
2330 } 2396 }
2331 } 2397 }
2332 2398
2333#if EV_MINIMAL < 2 2399#if EV_FEATURE_API
2334 ++loop_count; 2400 ++loop_count;
2335#endif 2401#endif
2336 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2402 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2337 backend_poll (EV_A_ waittime); 2403 backend_poll (EV_A_ waittime);
2338 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2404 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
2350#if EV_IDLE_ENABLE 2416#if EV_IDLE_ENABLE
2351 /* queue idle watchers unless other events are pending */ 2417 /* queue idle watchers unless other events are pending */
2352 idle_reify (EV_A); 2418 idle_reify (EV_A);
2353#endif 2419#endif
2354 2420
2421#if EV_CHECK_ENABLE
2355 /* queue check watchers, to be executed first */ 2422 /* queue check watchers, to be executed first */
2356 if (expect_false (checkcnt)) 2423 if (expect_false (checkcnt))
2357 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2424 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2425#endif
2358 2426
2359 EV_INVOKE_PENDING; 2427 EV_INVOKE_PENDING;
2360 } 2428 }
2361 while (expect_true ( 2429 while (expect_true (
2362 activecnt 2430 activecnt
2365 )); 2433 ));
2366 2434
2367 if (loop_done == EVUNLOOP_ONE) 2435 if (loop_done == EVUNLOOP_ONE)
2368 loop_done = EVUNLOOP_CANCEL; 2436 loop_done = EVUNLOOP_CANCEL;
2369 2437
2370#if EV_MINIMAL < 2 2438#if EV_FEATURE_API
2371 --loop_depth; 2439 --loop_depth;
2372#endif 2440#endif
2373} 2441}
2374 2442
2375void 2443void
2501 2569
2502 if (expect_false (ev_is_active (w))) 2570 if (expect_false (ev_is_active (w)))
2503 return; 2571 return;
2504 2572
2505 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 2573 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2506 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 2574 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2507 2575
2508 EV_FREQUENT_CHECK; 2576 EV_FREQUENT_CHECK;
2509 2577
2510 ev_start (EV_A_ (W)w, 1); 2578 ev_start (EV_A_ (W)w, 1);
2511 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 2579 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2581 timers [active] = timers [timercnt + HEAP0]; 2649 timers [active] = timers [timercnt + HEAP0];
2582 adjustheap (timers, timercnt, active); 2650 adjustheap (timers, timercnt, active);
2583 } 2651 }
2584 } 2652 }
2585 2653
2586 EV_FREQUENT_CHECK;
2587
2588 ev_at (w) -= mn_now; 2654 ev_at (w) -= mn_now;
2589 2655
2590 ev_stop (EV_A_ (W)w); 2656 ev_stop (EV_A_ (W)w);
2657
2658 EV_FREQUENT_CHECK;
2591} 2659}
2592 2660
2593void noinline 2661void noinline
2594ev_timer_again (EV_P_ ev_timer *w) 2662ev_timer_again (EV_P_ ev_timer *w)
2595{ 2663{
2674 periodics [active] = periodics [periodiccnt + HEAP0]; 2742 periodics [active] = periodics [periodiccnt + HEAP0];
2675 adjustheap (periodics, periodiccnt, active); 2743 adjustheap (periodics, periodiccnt, active);
2676 } 2744 }
2677 } 2745 }
2678 2746
2679 EV_FREQUENT_CHECK;
2680
2681 ev_stop (EV_A_ (W)w); 2747 ev_stop (EV_A_ (W)w);
2748
2749 EV_FREQUENT_CHECK;
2682} 2750}
2683 2751
2684void noinline 2752void noinline
2685ev_periodic_again (EV_P_ ev_periodic *w) 2753ev_periodic_again (EV_P_ ev_periodic *w)
2686{ 2754{
2691#endif 2759#endif
2692 2760
2693#ifndef SA_RESTART 2761#ifndef SA_RESTART
2694# define SA_RESTART 0 2762# define SA_RESTART 0
2695#endif 2763#endif
2764
2765#if EV_SIGNAL_ENABLE
2696 2766
2697void noinline 2767void noinline
2698ev_signal_start (EV_P_ ev_signal *w) 2768ev_signal_start (EV_P_ ev_signal *w)
2699{ 2769{
2700 if (expect_false (ev_is_active (w))) 2770 if (expect_false (ev_is_active (w)))
2747 if (!((WL)w)->next) 2817 if (!((WL)w)->next)
2748# if EV_USE_SIGNALFD 2818# if EV_USE_SIGNALFD
2749 if (sigfd < 0) /*TODO*/ 2819 if (sigfd < 0) /*TODO*/
2750# endif 2820# endif
2751 { 2821 {
2752# if _WIN32 2822# ifdef _WIN32
2753 evpipe_init (EV_A); 2823 evpipe_init (EV_A);
2754 2824
2755 signal (w->signum, ev_sighandler); 2825 signal (w->signum, ev_sighandler);
2756# else 2826# else
2757 struct sigaction sa; 2827 struct sigaction sa;
2807 } 2877 }
2808 2878
2809 EV_FREQUENT_CHECK; 2879 EV_FREQUENT_CHECK;
2810} 2880}
2811 2881
2882#endif
2883
2884#if EV_CHILD_ENABLE
2885
2812void 2886void
2813ev_child_start (EV_P_ ev_child *w) 2887ev_child_start (EV_P_ ev_child *w)
2814{ 2888{
2815#if EV_MULTIPLICITY 2889#if EV_MULTIPLICITY
2816 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2890 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2819 return; 2893 return;
2820 2894
2821 EV_FREQUENT_CHECK; 2895 EV_FREQUENT_CHECK;
2822 2896
2823 ev_start (EV_A_ (W)w, 1); 2897 ev_start (EV_A_ (W)w, 1);
2824 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2898 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2825 2899
2826 EV_FREQUENT_CHECK; 2900 EV_FREQUENT_CHECK;
2827} 2901}
2828 2902
2829void 2903void
2833 if (expect_false (!ev_is_active (w))) 2907 if (expect_false (!ev_is_active (w)))
2834 return; 2908 return;
2835 2909
2836 EV_FREQUENT_CHECK; 2910 EV_FREQUENT_CHECK;
2837 2911
2838 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2912 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2839 ev_stop (EV_A_ (W)w); 2913 ev_stop (EV_A_ (W)w);
2840 2914
2841 EV_FREQUENT_CHECK; 2915 EV_FREQUENT_CHECK;
2842} 2916}
2917
2918#endif
2843 2919
2844#if EV_STAT_ENABLE 2920#if EV_STAT_ENABLE
2845 2921
2846# ifdef _WIN32 2922# ifdef _WIN32
2847# undef lstat 2923# undef lstat
2853#define MIN_STAT_INTERVAL 0.1074891 2929#define MIN_STAT_INTERVAL 0.1074891
2854 2930
2855static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 2931static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2856 2932
2857#if EV_USE_INOTIFY 2933#if EV_USE_INOTIFY
2858# define EV_INOTIFY_BUFSIZE 8192 2934
2935/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
2936# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2859 2937
2860static void noinline 2938static void noinline
2861infy_add (EV_P_ ev_stat *w) 2939infy_add (EV_P_ ev_stat *w)
2862{ 2940{
2863 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); 2941 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);
2912 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 2990 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2913 } 2991 }
2914 } 2992 }
2915 2993
2916 if (w->wd >= 0) 2994 if (w->wd >= 0)
2917 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 2995 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2918 2996
2919 /* now re-arm timer, if required */ 2997 /* now re-arm timer, if required */
2920 if (ev_is_active (&w->timer)) ev_ref (EV_A); 2998 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2921 ev_timer_again (EV_A_ &w->timer); 2999 ev_timer_again (EV_A_ &w->timer);
2922 if (ev_is_active (&w->timer)) ev_unref (EV_A); 3000 if (ev_is_active (&w->timer)) ev_unref (EV_A);
2930 3008
2931 if (wd < 0) 3009 if (wd < 0)
2932 return; 3010 return;
2933 3011
2934 w->wd = -2; 3012 w->wd = -2;
2935 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3013 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2936 wlist_del (&fs_hash [slot].head, (WL)w); 3014 wlist_del (&fs_hash [slot].head, (WL)w);
2937 3015
2938 /* remove this watcher, if others are watching it, they will rearm */ 3016 /* remove this watcher, if others are watching it, they will rearm */
2939 inotify_rm_watch (fs_fd, wd); 3017 inotify_rm_watch (fs_fd, wd);
2940} 3018}
2942static void noinline 3020static void noinline
2943infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3021infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2944{ 3022{
2945 if (slot < 0) 3023 if (slot < 0)
2946 /* overflow, need to check for all hash slots */ 3024 /* overflow, need to check for all hash slots */
2947 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3025 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2948 infy_wd (EV_A_ slot, wd, ev); 3026 infy_wd (EV_A_ slot, wd, ev);
2949 else 3027 else
2950 { 3028 {
2951 WL w_; 3029 WL w_;
2952 3030
2953 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3031 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2954 { 3032 {
2955 ev_stat *w = (ev_stat *)w_; 3033 ev_stat *w = (ev_stat *)w_;
2956 w_ = w_->next; /* lets us remove this watcher and all before it */ 3034 w_ = w_->next; /* lets us remove this watcher and all before it */
2957 3035
2958 if (w->wd == wd || wd == -1) 3036 if (w->wd == wd || wd == -1)
2959 { 3037 {
2960 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3038 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2961 { 3039 {
2962 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3040 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2963 w->wd = -1; 3041 w->wd = -1;
2964 infy_add (EV_A_ w); /* re-add, no matter what */ 3042 infy_add (EV_A_ w); /* re-add, no matter what */
2965 } 3043 }
2966 3044
2967 stat_timer_cb (EV_A_ &w->timer, 0); 3045 stat_timer_cb (EV_A_ &w->timer, 0);
2972 3050
2973static void 3051static void
2974infy_cb (EV_P_ ev_io *w, int revents) 3052infy_cb (EV_P_ ev_io *w, int revents)
2975{ 3053{
2976 char buf [EV_INOTIFY_BUFSIZE]; 3054 char buf [EV_INOTIFY_BUFSIZE];
2977 struct inotify_event *ev = (struct inotify_event *)buf;
2978 int ofs; 3055 int ofs;
2979 int len = read (fs_fd, buf, sizeof (buf)); 3056 int len = read (fs_fd, buf, sizeof (buf));
2980 3057
2981 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 3058 for (ofs = 0; ofs < len; )
3059 {
3060 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2982 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3061 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3062 ofs += sizeof (struct inotify_event) + ev->len;
3063 }
3064}
3065
3066inline_size unsigned int
3067ev_linux_version (void)
3068{
3069 struct utsname buf;
3070 unsigned int v;
3071 int i;
3072 char *p = buf.release;
3073
3074 if (uname (&buf))
3075 return 0;
3076
3077 for (i = 3+1; --i; )
3078 {
3079 unsigned int c = 0;
3080
3081 for (;;)
3082 {
3083 if (*p >= '0' && *p <= '9')
3084 c = c * 10 + *p++ - '0';
3085 else
3086 {
3087 p += *p == '.';
3088 break;
3089 }
3090 }
3091
3092 v = (v << 8) | c;
3093 }
3094
3095 return v;
2983} 3096}
2984 3097
2985inline_size void 3098inline_size void
2986check_2625 (EV_P) 3099ev_check_2625 (EV_P)
2987{ 3100{
2988 /* kernels < 2.6.25 are borked 3101 /* kernels < 2.6.25 are borked
2989 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3102 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2990 */ 3103 */
2991 struct utsname buf; 3104 if (ev_linux_version () < 0x020619)
2992 int major, minor, micro;
2993
2994 if (uname (&buf))
2995 return;
2996
2997 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2998 return;
2999
3000 if (major < 2
3001 || (major == 2 && minor < 6)
3002 || (major == 2 && minor == 6 && micro < 25))
3003 return; 3105 return;
3004 3106
3005 fs_2625 = 1; 3107 fs_2625 = 1;
3006} 3108}
3007 3109
3022 if (fs_fd != -2) 3124 if (fs_fd != -2)
3023 return; 3125 return;
3024 3126
3025 fs_fd = -1; 3127 fs_fd = -1;
3026 3128
3027 check_2625 (EV_A); 3129 ev_check_2625 (EV_A);
3028 3130
3029 fs_fd = infy_newfd (); 3131 fs_fd = infy_newfd ();
3030 3132
3031 if (fs_fd >= 0) 3133 if (fs_fd >= 0)
3032 { 3134 {
3057 ev_io_set (&fs_w, fs_fd, EV_READ); 3159 ev_io_set (&fs_w, fs_fd, EV_READ);
3058 ev_io_start (EV_A_ &fs_w); 3160 ev_io_start (EV_A_ &fs_w);
3059 ev_unref (EV_A); 3161 ev_unref (EV_A);
3060 } 3162 }
3061 3163
3062 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3164 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3063 { 3165 {
3064 WL w_ = fs_hash [slot].head; 3166 WL w_ = fs_hash [slot].head;
3065 fs_hash [slot].head = 0; 3167 fs_hash [slot].head = 0;
3066 3168
3067 while (w_) 3169 while (w_)
3242 3344
3243 EV_FREQUENT_CHECK; 3345 EV_FREQUENT_CHECK;
3244} 3346}
3245#endif 3347#endif
3246 3348
3349#if EV_PREPARE_ENABLE
3247void 3350void
3248ev_prepare_start (EV_P_ ev_prepare *w) 3351ev_prepare_start (EV_P_ ev_prepare *w)
3249{ 3352{
3250 if (expect_false (ev_is_active (w))) 3353 if (expect_false (ev_is_active (w)))
3251 return; 3354 return;
3277 3380
3278 ev_stop (EV_A_ (W)w); 3381 ev_stop (EV_A_ (W)w);
3279 3382
3280 EV_FREQUENT_CHECK; 3383 EV_FREQUENT_CHECK;
3281} 3384}
3385#endif
3282 3386
3387#if EV_CHECK_ENABLE
3283void 3388void
3284ev_check_start (EV_P_ ev_check *w) 3389ev_check_start (EV_P_ ev_check *w)
3285{ 3390{
3286 if (expect_false (ev_is_active (w))) 3391 if (expect_false (ev_is_active (w)))
3287 return; 3392 return;
3313 3418
3314 ev_stop (EV_A_ (W)w); 3419 ev_stop (EV_A_ (W)w);
3315 3420
3316 EV_FREQUENT_CHECK; 3421 EV_FREQUENT_CHECK;
3317} 3422}
3423#endif
3318 3424
3319#if EV_EMBED_ENABLE 3425#if EV_EMBED_ENABLE
3320void noinline 3426void noinline
3321ev_embed_sweep (EV_P_ ev_embed *w) 3427ev_embed_sweep (EV_P_ ev_embed *w)
3322{ 3428{
3417 3523
3418 ev_io_stop (EV_A_ &w->io); 3524 ev_io_stop (EV_A_ &w->io);
3419 ev_prepare_stop (EV_A_ &w->prepare); 3525 ev_prepare_stop (EV_A_ &w->prepare);
3420 ev_fork_stop (EV_A_ &w->fork); 3526 ev_fork_stop (EV_A_ &w->fork);
3421 3527
3528 ev_stop (EV_A_ (W)w);
3529
3422 EV_FREQUENT_CHECK; 3530 EV_FREQUENT_CHECK;
3423} 3531}
3424#endif 3532#endif
3425 3533
3426#if EV_FORK_ENABLE 3534#if EV_FORK_ENABLE
3552{ 3660{
3553 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3661 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3554 3662
3555 if (expect_false (!once)) 3663 if (expect_false (!once))
3556 { 3664 {
3557 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3665 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3558 return; 3666 return;
3559 } 3667 }
3560 3668
3561 once->cb = cb; 3669 once->cb = cb;
3562 once->arg = arg; 3670 once->arg = arg;
3649 if (types & EV_ASYNC) 3757 if (types & EV_ASYNC)
3650 for (i = asynccnt; i--; ) 3758 for (i = asynccnt; i--; )
3651 cb (EV_A_ EV_ASYNC, asyncs [i]); 3759 cb (EV_A_ EV_ASYNC, asyncs [i]);
3652#endif 3760#endif
3653 3761
3762#if EV_PREPARE_ENABLE
3654 if (types & EV_PREPARE) 3763 if (types & EV_PREPARE)
3655 for (i = preparecnt; i--; ) 3764 for (i = preparecnt; i--; )
3656#if EV_EMBED_ENABLE 3765# if EV_EMBED_ENABLE
3657 if (ev_cb (prepares [i]) != embed_prepare_cb) 3766 if (ev_cb (prepares [i]) != embed_prepare_cb)
3658#endif 3767# endif
3659 cb (EV_A_ EV_PREPARE, prepares [i]); 3768 cb (EV_A_ EV_PREPARE, prepares [i]);
3769#endif
3660 3770
3771#if EV_CHECK_ENABLE
3661 if (types & EV_CHECK) 3772 if (types & EV_CHECK)
3662 for (i = checkcnt; i--; ) 3773 for (i = checkcnt; i--; )
3663 cb (EV_A_ EV_CHECK, checks [i]); 3774 cb (EV_A_ EV_CHECK, checks [i]);
3775#endif
3664 3776
3777#if EV_SIGNAL_ENABLE
3665 if (types & EV_SIGNAL) 3778 if (types & EV_SIGNAL)
3666 for (i = 0; i < EV_NSIG - 1; ++i) 3779 for (i = 0; i < EV_NSIG - 1; ++i)
3667 for (wl = signals [i].head; wl; ) 3780 for (wl = signals [i].head; wl; )
3668 { 3781 {
3669 wn = wl->next; 3782 wn = wl->next;
3670 cb (EV_A_ EV_SIGNAL, wl); 3783 cb (EV_A_ EV_SIGNAL, wl);
3671 wl = wn; 3784 wl = wn;
3672 } 3785 }
3786#endif
3673 3787
3788#if EV_CHILD_ENABLE
3674 if (types & EV_CHILD) 3789 if (types & EV_CHILD)
3675 for (i = EV_PID_HASHSIZE; i--; ) 3790 for (i = (EV_PID_HASHSIZE); i--; )
3676 for (wl = childs [i]; wl; ) 3791 for (wl = childs [i]; wl; )
3677 { 3792 {
3678 wn = wl->next; 3793 wn = wl->next;
3679 cb (EV_A_ EV_CHILD, wl); 3794 cb (EV_A_ EV_CHILD, wl);
3680 wl = wn; 3795 wl = wn;
3681 } 3796 }
3797#endif
3682/* EV_STAT 0x00001000 /* stat data changed */ 3798/* EV_STAT 0x00001000 /* stat data changed */
3683/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 3799/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3684} 3800}
3685#endif 3801#endif
3686 3802

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines