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Comparing libev/ev.c (file contents):
Revision 1.325 by root, Sun Jan 24 12:31:55 2010 UTC vs.
Revision 1.391 by root, Thu Aug 4 13:57:16 2011 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
10 * 1. Redistributions of source code must retain the above copyright notice, 10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
12 * 12 *
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution. 15 * documentation and/or other materials provided with the distribution.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
… …
35 * and other provisions required by the GPL. If you do not delete the 35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under 36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL. 37 * either the BSD or the GPL.
38 */ 38 */
39 39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44/* this big block deduces configuration from config.h */ 40/* this big block deduces configuration from config.h */
45#ifndef EV_STANDALONE 41#ifndef EV_STANDALONE
46# ifdef EV_CONFIG_H 42# ifdef EV_CONFIG_H
47# include EV_CONFIG_H 43# include EV_CONFIG_H
48# else 44# else
49# include "config.h" 45# include "config.h"
50# endif 46# endif
47
48#if HAVE_FLOOR
49# ifndef EV_USE_FLOOR
50# define EV_USE_FLOOR 1
51# endif
52#endif
51 53
52# if HAVE_CLOCK_SYSCALL 54# if HAVE_CLOCK_SYSCALL
53# ifndef EV_USE_CLOCK_SYSCALL 55# ifndef EV_USE_CLOCK_SYSCALL
54# define EV_USE_CLOCK_SYSCALL 1 56# define EV_USE_CLOCK_SYSCALL 1
55# ifndef EV_USE_REALTIME 57# ifndef EV_USE_REALTIME
… …
77# ifndef EV_USE_REALTIME 79# ifndef EV_USE_REALTIME
78# define EV_USE_REALTIME 0 80# define EV_USE_REALTIME 0
79# endif 81# endif
80# endif 82# endif
81 83
84# if HAVE_NANOSLEEP
82# ifndef EV_USE_NANOSLEEP 85# ifndef EV_USE_NANOSLEEP
83# if HAVE_NANOSLEEP
84# define EV_USE_NANOSLEEP 1 86# define EV_USE_NANOSLEEP EV_FEATURE_OS
87# endif
85# else 88# else
89# undef EV_USE_NANOSLEEP
86# define EV_USE_NANOSLEEP 0 90# define EV_USE_NANOSLEEP 0
91# endif
92
93# if HAVE_SELECT && HAVE_SYS_SELECT_H
94# ifndef EV_USE_SELECT
95# define EV_USE_SELECT EV_FEATURE_BACKENDS
87# endif 96# endif
97# else
98# undef EV_USE_SELECT
99# define EV_USE_SELECT 0
88# endif 100# endif
89 101
102# if HAVE_POLL && HAVE_POLL_H
90# ifndef EV_USE_SELECT 103# ifndef EV_USE_POLL
91# if HAVE_SELECT && HAVE_SYS_SELECT_H 104# define EV_USE_POLL EV_FEATURE_BACKENDS
92# define EV_USE_SELECT 1
93# else
94# define EV_USE_SELECT 0
95# endif 105# endif
96# endif
97
98# ifndef EV_USE_POLL
99# if HAVE_POLL && HAVE_POLL_H
100# define EV_USE_POLL 1
101# else 106# else
107# undef EV_USE_POLL
102# define EV_USE_POLL 0 108# define EV_USE_POLL 0
103# endif
104# endif 109# endif
105 110
106# ifndef EV_USE_EPOLL
107# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 111# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108# define EV_USE_EPOLL 1 112# ifndef EV_USE_EPOLL
109# else 113# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110# define EV_USE_EPOLL 0
111# endif 114# endif
115# else
116# undef EV_USE_EPOLL
117# define EV_USE_EPOLL 0
112# endif 118# endif
113 119
114# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 120# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
116# define EV_USE_KQUEUE 1 121# ifndef EV_USE_KQUEUE
117# else 122# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
118# define EV_USE_KQUEUE 0
119# endif 123# endif
124# else
125# undef EV_USE_KQUEUE
126# define EV_USE_KQUEUE 0
120# endif 127# endif
121 128
122# ifndef EV_USE_PORT
123# if HAVE_PORT_H && HAVE_PORT_CREATE 129# if HAVE_PORT_H && HAVE_PORT_CREATE
124# define EV_USE_PORT 1 130# ifndef EV_USE_PORT
125# else 131# define EV_USE_PORT EV_FEATURE_BACKENDS
126# define EV_USE_PORT 0
127# endif 132# endif
133# else
134# undef EV_USE_PORT
135# define EV_USE_PORT 0
128# endif 136# endif
129 137
130# ifndef EV_USE_INOTIFY
131# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H 138# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132# define EV_USE_INOTIFY 1 139# ifndef EV_USE_INOTIFY
133# else
134# define EV_USE_INOTIFY 0 140# define EV_USE_INOTIFY EV_FEATURE_OS
135# endif 141# endif
142# else
143# undef EV_USE_INOTIFY
144# define EV_USE_INOTIFY 0
136# endif 145# endif
137 146
138# ifndef EV_USE_SIGNALFD
139# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H 147# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140# define EV_USE_SIGNALFD 1 148# ifndef EV_USE_SIGNALFD
141# else
142# define EV_USE_SIGNALFD 0 149# define EV_USE_SIGNALFD EV_FEATURE_OS
143# endif 150# endif
151# else
152# undef EV_USE_SIGNALFD
153# define EV_USE_SIGNALFD 0
144# endif 154# endif
145 155
156# if HAVE_EVENTFD
146# ifndef EV_USE_EVENTFD 157# ifndef EV_USE_EVENTFD
147# if HAVE_EVENTFD
148# define EV_USE_EVENTFD 1 158# define EV_USE_EVENTFD EV_FEATURE_OS
149# else
150# define EV_USE_EVENTFD 0
151# endif 159# endif
160# else
161# undef EV_USE_EVENTFD
162# define EV_USE_EVENTFD 0
152# endif 163# endif
153 164
154#endif 165#endif
155 166
156#include <math.h>
157#include <stdlib.h> 167#include <stdlib.h>
158#include <string.h> 168#include <string.h>
159#include <fcntl.h> 169#include <fcntl.h>
160#include <stddef.h> 170#include <stddef.h>
161 171
… …
163 173
164#include <assert.h> 174#include <assert.h>
165#include <errno.h> 175#include <errno.h>
166#include <sys/types.h> 176#include <sys/types.h>
167#include <time.h> 177#include <time.h>
178#include <limits.h>
168 179
169#include <signal.h> 180#include <signal.h>
170 181
171#ifdef EV_H 182#ifdef EV_H
172# include EV_H 183# include EV_H
173#else 184#else
174# include "ev.h" 185# include "ev.h"
175#endif 186#endif
187
188EV_CPP(extern "C" {)
176 189
177#ifndef _WIN32 190#ifndef _WIN32
178# include <sys/time.h> 191# include <sys/time.h>
179# include <sys/wait.h> 192# include <sys/wait.h>
180# include <unistd.h> 193# include <unistd.h>
… …
183# define WIN32_LEAN_AND_MEAN 196# define WIN32_LEAN_AND_MEAN
184# include <windows.h> 197# include <windows.h>
185# ifndef EV_SELECT_IS_WINSOCKET 198# ifndef EV_SELECT_IS_WINSOCKET
186# define EV_SELECT_IS_WINSOCKET 1 199# define EV_SELECT_IS_WINSOCKET 1
187# endif 200# endif
201# undef EV_AVOID_STDIO
188#endif 202#endif
203
204/* OS X, in its infinite idiocy, actually HARDCODES
205 * a limit of 1024 into their select. Where people have brains,
206 * OS X engineers apparently have a vacuum. Or maybe they were
207 * ordered to have a vacuum, or they do anything for money.
208 * This might help. Or not.
209 */
210#define _DARWIN_UNLIMITED_SELECT 1
189 211
190/* this block tries to deduce configuration from header-defined symbols and defaults */ 212/* this block tries to deduce configuration from header-defined symbols and defaults */
191 213
192/* try to deduce the maximum number of signals on this platform */ 214/* try to deduce the maximum number of signals on this platform */
193#if defined (EV_NSIG) 215#if defined (EV_NSIG)
… …
205#elif defined (MAXSIG) 227#elif defined (MAXSIG)
206# define EV_NSIG (MAXSIG+1) 228# define EV_NSIG (MAXSIG+1)
207#elif defined (MAX_SIG) 229#elif defined (MAX_SIG)
208# define EV_NSIG (MAX_SIG+1) 230# define EV_NSIG (MAX_SIG+1)
209#elif defined (SIGARRAYSIZE) 231#elif defined (SIGARRAYSIZE)
210# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 232# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
211#elif defined (_sys_nsig) 233#elif defined (_sys_nsig)
212# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 234# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
213#else 235#else
214# error "unable to find value for NSIG, please report" 236# error "unable to find value for NSIG, please report"
215/* to make it compile regardless, just remove the above line */ 237/* to make it compile regardless, just remove the above line, */
238/* but consider reporting it, too! :) */
216# define EV_NSIG 65 239# define EV_NSIG 65
240#endif
241
242#ifndef EV_USE_FLOOR
243# define EV_USE_FLOOR 0
217#endif 244#endif
218 245
219#ifndef EV_USE_CLOCK_SYSCALL 246#ifndef EV_USE_CLOCK_SYSCALL
220# if __linux && __GLIBC__ >= 2 247# if __linux && __GLIBC__ >= 2
221# define EV_USE_CLOCK_SYSCALL 1 248# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
222# else 249# else
223# define EV_USE_CLOCK_SYSCALL 0 250# define EV_USE_CLOCK_SYSCALL 0
224# endif 251# endif
225#endif 252#endif
226 253
227#ifndef EV_USE_MONOTONIC 254#ifndef EV_USE_MONOTONIC
228# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 255# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
229# define EV_USE_MONOTONIC 1 256# define EV_USE_MONOTONIC EV_FEATURE_OS
230# else 257# else
231# define EV_USE_MONOTONIC 0 258# define EV_USE_MONOTONIC 0
232# endif 259# endif
233#endif 260#endif
234 261
… …
236# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 263# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
237#endif 264#endif
238 265
239#ifndef EV_USE_NANOSLEEP 266#ifndef EV_USE_NANOSLEEP
240# if _POSIX_C_SOURCE >= 199309L 267# if _POSIX_C_SOURCE >= 199309L
241# define EV_USE_NANOSLEEP 1 268# define EV_USE_NANOSLEEP EV_FEATURE_OS
242# else 269# else
243# define EV_USE_NANOSLEEP 0 270# define EV_USE_NANOSLEEP 0
244# endif 271# endif
245#endif 272#endif
246 273
247#ifndef EV_USE_SELECT 274#ifndef EV_USE_SELECT
248# define EV_USE_SELECT 1 275# define EV_USE_SELECT EV_FEATURE_BACKENDS
249#endif 276#endif
250 277
251#ifndef EV_USE_POLL 278#ifndef EV_USE_POLL
252# ifdef _WIN32 279# ifdef _WIN32
253# define EV_USE_POLL 0 280# define EV_USE_POLL 0
254# else 281# else
255# define EV_USE_POLL 1 282# define EV_USE_POLL EV_FEATURE_BACKENDS
256# endif 283# endif
257#endif 284#endif
258 285
259#ifndef EV_USE_EPOLL 286#ifndef EV_USE_EPOLL
260# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 287# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
261# define EV_USE_EPOLL 1 288# define EV_USE_EPOLL EV_FEATURE_BACKENDS
262# else 289# else
263# define EV_USE_EPOLL 0 290# define EV_USE_EPOLL 0
264# endif 291# endif
265#endif 292#endif
266 293
… …
272# define EV_USE_PORT 0 299# define EV_USE_PORT 0
273#endif 300#endif
274 301
275#ifndef EV_USE_INOTIFY 302#ifndef EV_USE_INOTIFY
276# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 303# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
277# define EV_USE_INOTIFY 1 304# define EV_USE_INOTIFY EV_FEATURE_OS
278# else 305# else
279# define EV_USE_INOTIFY 0 306# define EV_USE_INOTIFY 0
280# endif 307# endif
281#endif 308#endif
282 309
283#ifndef EV_PID_HASHSIZE 310#ifndef EV_PID_HASHSIZE
284# if EV_MINIMAL 311# 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 312#endif
290 313
291#ifndef EV_INOTIFY_HASHSIZE 314#ifndef EV_INOTIFY_HASHSIZE
292# if EV_MINIMAL 315# 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 316#endif
298 317
299#ifndef EV_USE_EVENTFD 318#ifndef EV_USE_EVENTFD
300# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 319# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
301# define EV_USE_EVENTFD 1 320# define EV_USE_EVENTFD EV_FEATURE_OS
302# else 321# else
303# define EV_USE_EVENTFD 0 322# define EV_USE_EVENTFD 0
304# endif 323# endif
305#endif 324#endif
306 325
307#ifndef EV_USE_SIGNALFD 326#ifndef EV_USE_SIGNALFD
308# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 327# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
309# define EV_USE_SIGNALFD 1 328# define EV_USE_SIGNALFD EV_FEATURE_OS
310# else 329# else
311# define EV_USE_SIGNALFD 0 330# define EV_USE_SIGNALFD 0
312# endif 331# endif
313#endif 332#endif
314 333
… …
317# define EV_USE_4HEAP 1 336# define EV_USE_4HEAP 1
318# define EV_HEAP_CACHE_AT 1 337# define EV_HEAP_CACHE_AT 1
319#endif 338#endif
320 339
321#ifndef EV_VERIFY 340#ifndef EV_VERIFY
322# define EV_VERIFY !EV_MINIMAL 341# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
323#endif 342#endif
324 343
325#ifndef EV_USE_4HEAP 344#ifndef EV_USE_4HEAP
326# define EV_USE_4HEAP !EV_MINIMAL 345# define EV_USE_4HEAP EV_FEATURE_DATA
327#endif 346#endif
328 347
329#ifndef EV_HEAP_CACHE_AT 348#ifndef EV_HEAP_CACHE_AT
330# define EV_HEAP_CACHE_AT !EV_MINIMAL 349# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
331#endif 350#endif
332 351
333/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 352/* 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. */ 353/* which makes programs even slower. might work on other unices, too. */
335#if EV_USE_CLOCK_SYSCALL 354#if EV_USE_CLOCK_SYSCALL
… …
366# undef EV_USE_INOTIFY 385# undef EV_USE_INOTIFY
367# define EV_USE_INOTIFY 0 386# define EV_USE_INOTIFY 0
368#endif 387#endif
369 388
370#if !EV_USE_NANOSLEEP 389#if !EV_USE_NANOSLEEP
371# ifndef _WIN32 390/* hp-ux has it in sys/time.h, which we unconditionally include above */
391# if !defined(_WIN32) && !defined(__hpux)
372# include <sys/select.h> 392# include <sys/select.h>
373# endif 393# endif
374#endif 394#endif
375 395
376#if EV_USE_INOTIFY 396#if EV_USE_INOTIFY
377# include <sys/utsname.h>
378# include <sys/statfs.h> 397# include <sys/statfs.h>
379# include <sys/inotify.h> 398# include <sys/inotify.h>
380/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 399/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
381# ifndef IN_DONT_FOLLOW 400# ifndef IN_DONT_FOLLOW
382# undef EV_USE_INOTIFY 401# undef EV_USE_INOTIFY
… …
399# define EFD_CLOEXEC O_CLOEXEC 418# define EFD_CLOEXEC O_CLOEXEC
400# else 419# else
401# define EFD_CLOEXEC 02000000 420# define EFD_CLOEXEC 02000000
402# endif 421# endif
403# endif 422# endif
404# ifdef __cplusplus
405extern "C" {
406# endif
407int eventfd (unsigned int initval, int flags); 423EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
408# ifdef __cplusplus
409}
410# endif
411#endif 424#endif
412 425
413#if EV_USE_SIGNALFD 426#if EV_USE_SIGNALFD
414/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 427/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
415# include <stdint.h> 428# include <stdint.h>
… …
421# define SFD_CLOEXEC O_CLOEXEC 434# define SFD_CLOEXEC O_CLOEXEC
422# else 435# else
423# define SFD_CLOEXEC 02000000 436# define SFD_CLOEXEC 02000000
424# endif 437# endif
425# endif 438# endif
426# ifdef __cplusplus
427extern "C" {
428# endif
429int signalfd (int fd, const sigset_t *mask, int flags); 439EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
430 440
431struct signalfd_siginfo 441struct signalfd_siginfo
432{ 442{
433 uint32_t ssi_signo; 443 uint32_t ssi_signo;
434 char pad[128 - sizeof (uint32_t)]; 444 char pad[128 - sizeof (uint32_t)];
435}; 445};
436# ifdef __cplusplus
437}
438# endif 446#endif
439#endif
440
441 447
442/**/ 448/**/
443 449
444#if EV_VERIFY >= 3 450#if EV_VERIFY >= 3
445# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 451# define EV_FREQUENT_CHECK ev_verify (EV_A)
446#else 452#else
447# define EV_FREQUENT_CHECK do { } while (0) 453# define EV_FREQUENT_CHECK do { } while (0)
448#endif 454#endif
449 455
450/* 456/*
451 * This is used to avoid floating point rounding problems. 457 * This is used to work around floating point rounding problems.
452 * It is added to ev_rt_now when scheduling periodics
453 * to ensure progress, time-wise, even when rounding
454 * errors are against us.
455 * This value is good at least till the year 4000. 458 * This value is good at least till the year 4000.
456 * Better solutions welcome.
457 */ 459 */
458#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 460#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
461/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
459 462
460#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 463#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
461#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 464#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
462 465
466#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
467#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468
469/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470/* ECB.H BEGIN */
471/*
472 * libecb - http://software.schmorp.de/pkg/libecb
473 *
474 * Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>
475 * Copyright (©) 2011 Emanuele Giaquinta
476 * All rights reserved.
477 *
478 * Redistribution and use in source and binary forms, with or without modifica-
479 * tion, are permitted provided that the following conditions are met:
480 *
481 * 1. Redistributions of source code must retain the above copyright notice,
482 * this list of conditions and the following disclaimer.
483 *
484 * 2. Redistributions in binary form must reproduce the above copyright
485 * notice, this list of conditions and the following disclaimer in the
486 * documentation and/or other materials provided with the distribution.
487 *
488 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
489 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
490 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
491 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
492 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
493 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
494 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
495 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
496 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
497 * OF THE POSSIBILITY OF SUCH DAMAGE.
498 */
499
500#ifndef ECB_H
501#define ECB_H
502
503#ifdef _WIN32
504 typedef signed char int8_t;
505 typedef unsigned char uint8_t;
506 typedef signed short int16_t;
507 typedef unsigned short uint16_t;
508 typedef signed int int32_t;
509 typedef unsigned int uint32_t;
463#if __GNUC__ >= 4 510 #if __GNUC__
464# define expect(expr,value) __builtin_expect ((expr),(value)) 511 typedef signed long long int64_t;
465# define noinline __attribute__ ((noinline)) 512 typedef unsigned long long uint64_t;
513 #else /* _MSC_VER || __BORLANDC__ */
514 typedef signed __int64 int64_t;
515 typedef unsigned __int64 uint64_t;
516 #endif
466#else 517#else
467# define expect(expr,value) (expr) 518 #include <inttypes.h>
468# define noinline
469# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
470# define inline
471# endif 519#endif
520
521/* many compilers define _GNUC_ to some versions but then only implement
522 * what their idiot authors think are the "more important" extensions,
523 * causing enormous grief in return for some better fake benchmark numbers.
524 * or so.
525 * we try to detect these and simply assume they are not gcc - if they have
526 * an issue with that they should have done it right in the first place.
527 */
528#ifndef ECB_GCC_VERSION
529 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)
530 #define ECB_GCC_VERSION(major,minor) 0
531 #else
532 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
472#endif 533 #endif
534#endif
473 535
536/*****************************************************************************/
537
538/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540
541#if ECB_NO_THREADS || ECB_NO_SMP
542 #define ECB_MEMORY_FENCE do { } while (0)
543 #define ECB_MEMORY_FENCE_ACQUIRE do { } while (0)
544 #define ECB_MEMORY_FENCE_RELEASE do { } while (0)
545#endif
546
547#ifndef ECB_MEMORY_FENCE
548 #if ECB_GCC_VERSION(2,5)
549 #if __x86
550 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
551 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
552 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
553 #elif __amd64
554 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
555 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
556 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
557 #endif
558 #endif
559#endif
560
561#ifndef ECB_MEMORY_FENCE
562 #if ECB_GCC_VERSION(4,4)
563 #define ECB_MEMORY_FENCE __sync_synchronize ()
564 #define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })
565 #define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); })
566 #elif _MSC_VER >= 1400 /* VC++ 2005 */
567 #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
568 #define ECB_MEMORY_FENCE _ReadWriteBarrier ()
569 #define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
570 #define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
571 #elif defined(_WIN32)
572 #include <WinNT.h>
573 #define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
574 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
575 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
576 #endif
577#endif
578
579#ifndef ECB_MEMORY_FENCE
580 /*
581 * if you get undefined symbol references to pthread_mutex_lock,
582 * or failure to find pthread.h, then you should implement
583 * the ECB_MEMORY_FENCE operations for your cpu/compiler
584 * OR provide pthread.h and link against the posix thread library
585 * of your system.
586 */
587 #include <pthread.h>
588 #define ECB_NEEDS_PTHREADS 1
589 #define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
590
591 static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
592 #define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
593 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
594 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
595#endif
596
597/*****************************************************************************/
598
599#define ECB_C99 (__STDC_VERSION__ >= 199901L)
600
601#if __cplusplus
602 #define ecb_inline static inline
603#elif ECB_GCC_VERSION(2,5)
604 #define ecb_inline static __inline__
605#elif ECB_C99
606 #define ecb_inline static inline
607#else
608 #define ecb_inline static
609#endif
610
611#if ECB_GCC_VERSION(3,3)
612 #define ecb_restrict __restrict__
613#elif ECB_C99
614 #define ecb_restrict restrict
615#else
616 #define ecb_restrict
617#endif
618
619typedef int ecb_bool;
620
621#define ECB_CONCAT_(a, b) a ## b
622#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
623#define ECB_STRINGIFY_(a) # a
624#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
625
626#define ecb_function_ ecb_inline
627
628#if ECB_GCC_VERSION(3,1)
629 #define ecb_attribute(attrlist) __attribute__(attrlist)
630 #define ecb_is_constant(expr) __builtin_constant_p (expr)
631 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
632 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
633#else
634 #define ecb_attribute(attrlist)
635 #define ecb_is_constant(expr) 0
636 #define ecb_expect(expr,value) (expr)
637 #define ecb_prefetch(addr,rw,locality)
638#endif
639
640/* no emulation for ecb_decltype */
641#if ECB_GCC_VERSION(4,5)
642 #define ecb_decltype(x) __decltype(x)
643#elif ECB_GCC_VERSION(3,0)
644 #define ecb_decltype(x) __typeof(x)
645#endif
646
647#define ecb_noinline ecb_attribute ((__noinline__))
648#define ecb_noreturn ecb_attribute ((__noreturn__))
649#define ecb_unused ecb_attribute ((__unused__))
650#define ecb_const ecb_attribute ((__const__))
651#define ecb_pure ecb_attribute ((__pure__))
652
653#if ECB_GCC_VERSION(4,3)
654 #define ecb_artificial ecb_attribute ((__artificial__))
655 #define ecb_hot ecb_attribute ((__hot__))
656 #define ecb_cold ecb_attribute ((__cold__))
657#else
658 #define ecb_artificial
659 #define ecb_hot
660 #define ecb_cold
661#endif
662
663/* put around conditional expressions if you are very sure that the */
664/* expression is mostly true or mostly false. note that these return */
665/* booleans, not the expression. */
474#define expect_false(expr) expect ((expr) != 0, 0) 666#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
475#define expect_true(expr) expect ((expr) != 0, 1) 667#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
668/* for compatibility to the rest of the world */
669#define ecb_likely(expr) ecb_expect_true (expr)
670#define ecb_unlikely(expr) ecb_expect_false (expr)
671
672/* count trailing zero bits and count # of one bits */
673#if ECB_GCC_VERSION(3,4)
674 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
675 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
676 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
677 #define ecb_ctz32(x) __builtin_ctz (x)
678 #define ecb_ctz64(x) __builtin_ctzll (x)
679 #define ecb_popcount32(x) __builtin_popcount (x)
680 /* no popcountll */
681#else
682 ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
683 ecb_function_ int
684 ecb_ctz32 (uint32_t x)
685 {
686 int r = 0;
687
688 x &= ~x + 1; /* this isolates the lowest bit */
689
690#if ECB_branchless_on_i386
691 r += !!(x & 0xaaaaaaaa) << 0;
692 r += !!(x & 0xcccccccc) << 1;
693 r += !!(x & 0xf0f0f0f0) << 2;
694 r += !!(x & 0xff00ff00) << 3;
695 r += !!(x & 0xffff0000) << 4;
696#else
697 if (x & 0xaaaaaaaa) r += 1;
698 if (x & 0xcccccccc) r += 2;
699 if (x & 0xf0f0f0f0) r += 4;
700 if (x & 0xff00ff00) r += 8;
701 if (x & 0xffff0000) r += 16;
702#endif
703
704 return r;
705 }
706
707 ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
708 ecb_function_ int
709 ecb_ctz64 (uint64_t x)
710 {
711 int shift = x & 0xffffffffU ? 0 : 32;
712 return ecb_ctz32 (x >> shift) + shift;
713 }
714
715 ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
716 ecb_function_ int
717 ecb_popcount32 (uint32_t x)
718 {
719 x -= (x >> 1) & 0x55555555;
720 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
721 x = ((x >> 4) + x) & 0x0f0f0f0f;
722 x *= 0x01010101;
723
724 return x >> 24;
725 }
726
727 ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
728 ecb_function_ int ecb_ld32 (uint32_t x)
729 {
730 int r = 0;
731
732 if (x >> 16) { x >>= 16; r += 16; }
733 if (x >> 8) { x >>= 8; r += 8; }
734 if (x >> 4) { x >>= 4; r += 4; }
735 if (x >> 2) { x >>= 2; r += 2; }
736 if (x >> 1) { r += 1; }
737
738 return r;
739 }
740
741 ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
742 ecb_function_ int ecb_ld64 (uint64_t x)
743 {
744 int r = 0;
745
746 if (x >> 32) { x >>= 32; r += 32; }
747
748 return r + ecb_ld32 (x);
749 }
750#endif
751
752/* popcount64 is only available on 64 bit cpus as gcc builtin */
753/* so for this version we are lazy */
754ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
755ecb_function_ int
756ecb_popcount64 (uint64_t x)
757{
758 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
759}
760
761ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
762ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
763ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
764ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
765ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
766ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
767ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
768ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
769
770ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
771ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
772ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
773ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
774ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
775ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
776ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
777ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
778
779#if ECB_GCC_VERSION(4,3)
780 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
781 #define ecb_bswap32(x) __builtin_bswap32 (x)
782 #define ecb_bswap64(x) __builtin_bswap64 (x)
783#else
784 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
785 ecb_function_ uint16_t
786 ecb_bswap16 (uint16_t x)
787 {
788 return ecb_rotl16 (x, 8);
789 }
790
791 ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
792 ecb_function_ uint32_t
793 ecb_bswap32 (uint32_t x)
794 {
795 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
796 }
797
798 ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
799 ecb_function_ uint64_t
800 ecb_bswap64 (uint64_t x)
801 {
802 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
803 }
804#endif
805
806#if ECB_GCC_VERSION(4,5)
807 #define ecb_unreachable() __builtin_unreachable ()
808#else
809 /* this seems to work fine, but gcc always emits a warning for it :/ */
810 ecb_function_ void ecb_unreachable (void) ecb_noreturn;
811 ecb_function_ void ecb_unreachable (void) { }
812#endif
813
814/* try to tell the compiler that some condition is definitely true */
815#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
816
817ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;
818ecb_function_ unsigned char
819ecb_byteorder_helper (void)
820{
821 const uint32_t u = 0x11223344;
822 return *(unsigned char *)&u;
823}
824
825ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;
826ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
827ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;
828ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
829
830#if ECB_GCC_VERSION(3,0) || ECB_C99
831 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
832#else
833 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
834#endif
835
836#if ecb_cplusplus_does_not_suck
837 /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
838 template<typename T, int N>
839 static inline int ecb_array_length (const T (&arr)[N])
840 {
841 return N;
842 }
843#else
844 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
845#endif
846
847#endif
848
849/* ECB.H END */
850
851#define expect_false(cond) ecb_expect_false (cond)
852#define expect_true(cond) ecb_expect_true (cond)
853#define noinline ecb_noinline
854
476#define inline_size static inline 855#define inline_size ecb_inline
477 856
478#if EV_MINIMAL 857#if EV_FEATURE_CODE
858# define inline_speed ecb_inline
859#else
479# define inline_speed static noinline 860# define inline_speed static noinline
480#else
481# define inline_speed static inline
482#endif 861#endif
483 862
484#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 863#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
485 864
486#if EV_MINPRI == EV_MAXPRI 865#if EV_MINPRI == EV_MAXPRI
… …
499#define ev_active(w) ((W)(w))->active 878#define ev_active(w) ((W)(w))->active
500#define ev_at(w) ((WT)(w))->at 879#define ev_at(w) ((WT)(w))->at
501 880
502#if EV_USE_REALTIME 881#if EV_USE_REALTIME
503/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 882/* sig_atomic_t is used to avoid per-thread variables or locking but still */
504/* giving it a reasonably high chance of working on typical architetcures */ 883/* giving it a reasonably high chance of working on typical architectures */
505static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 884static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
506#endif 885#endif
507 886
508#if EV_USE_MONOTONIC 887#if EV_USE_MONOTONIC
509static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 888static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
… …
523# include "ev_win32.c" 902# include "ev_win32.c"
524#endif 903#endif
525 904
526/*****************************************************************************/ 905/*****************************************************************************/
527 906
907/* define a suitable floor function (only used by periodics atm) */
908
909#if EV_USE_FLOOR
910# include <math.h>
911# define ev_floor(v) floor (v)
912#else
913
914#include <float.h>
915
916/* a floor() replacement function, should be independent of ev_tstamp type */
917static ev_tstamp noinline
918ev_floor (ev_tstamp v)
919{
920 /* the choice of shift factor is not terribly important */
921#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
922 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
923#else
924 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
925#endif
926
927 /* argument too large for an unsigned long? */
928 if (expect_false (v >= shift))
929 {
930 ev_tstamp f;
931
932 if (v == v - 1.)
933 return v; /* very large number */
934
935 f = shift * ev_floor (v * (1. / shift));
936 return f + ev_floor (v - f);
937 }
938
939 /* special treatment for negative args? */
940 if (expect_false (v < 0.))
941 {
942 ev_tstamp f = -ev_floor (-v);
943
944 return f - (f == v ? 0 : 1);
945 }
946
947 /* fits into an unsigned long */
948 return (unsigned long)v;
949}
950
951#endif
952
953/*****************************************************************************/
954
955#ifdef __linux
956# include <sys/utsname.h>
957#endif
958
959static unsigned int noinline ecb_cold
960ev_linux_version (void)
961{
962#ifdef __linux
963 unsigned int v = 0;
964 struct utsname buf;
965 int i;
966 char *p = buf.release;
967
968 if (uname (&buf))
969 return 0;
970
971 for (i = 3+1; --i; )
972 {
973 unsigned int c = 0;
974
975 for (;;)
976 {
977 if (*p >= '0' && *p <= '9')
978 c = c * 10 + *p++ - '0';
979 else
980 {
981 p += *p == '.';
982 break;
983 }
984 }
985
986 v = (v << 8) | c;
987 }
988
989 return v;
990#else
991 return 0;
992#endif
993}
994
995/*****************************************************************************/
996
997#if EV_AVOID_STDIO
998static void noinline ecb_cold
999ev_printerr (const char *msg)
1000{
1001 write (STDERR_FILENO, msg, strlen (msg));
1002}
1003#endif
1004
528static void (*syserr_cb)(const char *msg); 1005static void (*syserr_cb)(const char *msg);
529 1006
530void 1007void ecb_cold
531ev_set_syserr_cb (void (*cb)(const char *msg)) 1008ev_set_syserr_cb (void (*cb)(const char *msg))
532{ 1009{
533 syserr_cb = cb; 1010 syserr_cb = cb;
534} 1011}
535 1012
536static void noinline 1013static void noinline ecb_cold
537ev_syserr (const char *msg) 1014ev_syserr (const char *msg)
538{ 1015{
539 if (!msg) 1016 if (!msg)
540 msg = "(libev) system error"; 1017 msg = "(libev) system error";
541 1018
542 if (syserr_cb) 1019 if (syserr_cb)
543 syserr_cb (msg); 1020 syserr_cb (msg);
544 else 1021 else
545 { 1022 {
1023#if EV_AVOID_STDIO
1024 ev_printerr (msg);
1025 ev_printerr (": ");
1026 ev_printerr (strerror (errno));
1027 ev_printerr ("\n");
1028#else
546 perror (msg); 1029 perror (msg);
1030#endif
547 abort (); 1031 abort ();
548 } 1032 }
549} 1033}
550 1034
551static void * 1035static void *
552ev_realloc_emul (void *ptr, long size) 1036ev_realloc_emul (void *ptr, long size)
553{ 1037{
1038#if __GLIBC__
1039 return realloc (ptr, size);
1040#else
554 /* some systems, notably openbsd and darwin, fail to properly 1041 /* some systems, notably openbsd and darwin, fail to properly
555 * implement realloc (x, 0) (as required by both ansi c-98 and 1042 * implement realloc (x, 0) (as required by both ansi c-89 and
556 * the single unix specification, so work around them here. 1043 * the single unix specification, so work around them here.
557 */ 1044 */
558 1045
559 if (size) 1046 if (size)
560 return realloc (ptr, size); 1047 return realloc (ptr, size);
561 1048
562 free (ptr); 1049 free (ptr);
563 return 0; 1050 return 0;
1051#endif
564} 1052}
565 1053
566static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 1054static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
567 1055
568void 1056void ecb_cold
569ev_set_allocator (void *(*cb)(void *ptr, long size)) 1057ev_set_allocator (void *(*cb)(void *ptr, long size))
570{ 1058{
571 alloc = cb; 1059 alloc = cb;
572} 1060}
573 1061
… …
576{ 1064{
577 ptr = alloc (ptr, size); 1065 ptr = alloc (ptr, size);
578 1066
579 if (!ptr && size) 1067 if (!ptr && size)
580 { 1068 {
1069#if EV_AVOID_STDIO
1070 ev_printerr ("(libev) memory allocation failed, aborting.\n");
1071#else
581 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 1072 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
1073#endif
582 abort (); 1074 abort ();
583 } 1075 }
584 1076
585 return ptr; 1077 return ptr;
586} 1078}
… …
602 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 1094 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
603 unsigned char unused; 1095 unsigned char unused;
604#if EV_USE_EPOLL 1096#if EV_USE_EPOLL
605 unsigned int egen; /* generation counter to counter epoll bugs */ 1097 unsigned int egen; /* generation counter to counter epoll bugs */
606#endif 1098#endif
607#if EV_SELECT_IS_WINSOCKET 1099#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
608 SOCKET handle; 1100 SOCKET handle;
1101#endif
1102#if EV_USE_IOCP
1103 OVERLAPPED or, ow;
609#endif 1104#endif
610} ANFD; 1105} ANFD;
611 1106
612/* stores the pending event set for a given watcher */ 1107/* stores the pending event set for a given watcher */
613typedef struct 1108typedef struct
… …
668 1163
669 static int ev_default_loop_ptr; 1164 static int ev_default_loop_ptr;
670 1165
671#endif 1166#endif
672 1167
673#if EV_MINIMAL < 2 1168#if EV_FEATURE_API
674# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 1169# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
675# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 1170# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
676# define EV_INVOKE_PENDING invoke_cb (EV_A) 1171# define EV_INVOKE_PENDING invoke_cb (EV_A)
677#else 1172#else
678# define EV_RELEASE_CB (void)0 1173# define EV_RELEASE_CB (void)0
679# define EV_ACQUIRE_CB (void)0 1174# define EV_ACQUIRE_CB (void)0
680# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 1175# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
681#endif 1176#endif
682 1177
683#define EVUNLOOP_RECURSE 0x80 1178#define EVBREAK_RECURSE 0x80
684 1179
685/*****************************************************************************/ 1180/*****************************************************************************/
686 1181
687#ifndef EV_HAVE_EV_TIME 1182#ifndef EV_HAVE_EV_TIME
688ev_tstamp 1183ev_tstamp
… …
732 if (delay > 0.) 1227 if (delay > 0.)
733 { 1228 {
734#if EV_USE_NANOSLEEP 1229#if EV_USE_NANOSLEEP
735 struct timespec ts; 1230 struct timespec ts;
736 1231
737 ts.tv_sec = (time_t)delay; 1232 EV_TS_SET (ts, delay);
738 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
739
740 nanosleep (&ts, 0); 1233 nanosleep (&ts, 0);
741#elif defined(_WIN32) 1234#elif defined(_WIN32)
742 Sleep ((unsigned long)(delay * 1e3)); 1235 Sleep ((unsigned long)(delay * 1e3));
743#else 1236#else
744 struct timeval tv; 1237 struct timeval tv;
745 1238
746 tv.tv_sec = (time_t)delay;
747 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
748
749 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1239 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
750 /* something not guaranteed by newer posix versions, but guaranteed */ 1240 /* something not guaranteed by newer posix versions, but guaranteed */
751 /* by older ones */ 1241 /* by older ones */
1242 EV_TV_SET (tv, delay);
752 select (0, 0, 0, 0, &tv); 1243 select (0, 0, 0, 0, &tv);
753#endif 1244#endif
754 } 1245 }
755} 1246}
756 1247
757/*****************************************************************************/ 1248/*****************************************************************************/
758 1249
759#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 1250#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
760 1251
761/* find a suitable new size for the given array, */ 1252/* find a suitable new size for the given array, */
762/* hopefully by rounding to a ncie-to-malloc size */ 1253/* hopefully by rounding to a nice-to-malloc size */
763inline_size int 1254inline_size int
764array_nextsize (int elem, int cur, int cnt) 1255array_nextsize (int elem, int cur, int cnt)
765{ 1256{
766 int ncur = cur + 1; 1257 int ncur = cur + 1;
767 1258
… …
779 } 1270 }
780 1271
781 return ncur; 1272 return ncur;
782} 1273}
783 1274
784static noinline void * 1275static void * noinline ecb_cold
785array_realloc (int elem, void *base, int *cur, int cnt) 1276array_realloc (int elem, void *base, int *cur, int cnt)
786{ 1277{
787 *cur = array_nextsize (elem, *cur, cnt); 1278 *cur = array_nextsize (elem, *cur, cnt);
788 return ev_realloc (base, elem * *cur); 1279 return ev_realloc (base, elem * *cur);
789} 1280}
… …
792 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1283 memset ((void *)(base), 0, sizeof (*(base)) * (count))
793 1284
794#define array_needsize(type,base,cur,cnt,init) \ 1285#define array_needsize(type,base,cur,cnt,init) \
795 if (expect_false ((cnt) > (cur))) \ 1286 if (expect_false ((cnt) > (cur))) \
796 { \ 1287 { \
797 int ocur_ = (cur); \ 1288 int ecb_unused ocur_ = (cur); \
798 (base) = (type *)array_realloc \ 1289 (base) = (type *)array_realloc \
799 (sizeof (type), (base), &(cur), (cnt)); \ 1290 (sizeof (type), (base), &(cur), (cnt)); \
800 init ((base) + (ocur_), (cur) - ocur_); \ 1291 init ((base) + (ocur_), (cur) - ocur_); \
801 } 1292 }
802 1293
… …
863} 1354}
864 1355
865/*****************************************************************************/ 1356/*****************************************************************************/
866 1357
867inline_speed void 1358inline_speed void
868fd_event_nc (EV_P_ int fd, int revents) 1359fd_event_nocheck (EV_P_ int fd, int revents)
869{ 1360{
870 ANFD *anfd = anfds + fd; 1361 ANFD *anfd = anfds + fd;
871 ev_io *w; 1362 ev_io *w;
872 1363
873 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1364 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
… …
885fd_event (EV_P_ int fd, int revents) 1376fd_event (EV_P_ int fd, int revents)
886{ 1377{
887 ANFD *anfd = anfds + fd; 1378 ANFD *anfd = anfds + fd;
888 1379
889 if (expect_true (!anfd->reify)) 1380 if (expect_true (!anfd->reify))
890 fd_event_nc (EV_A_ fd, revents); 1381 fd_event_nocheck (EV_A_ fd, revents);
891} 1382}
892 1383
893void 1384void
894ev_feed_fd_event (EV_P_ int fd, int revents) 1385ev_feed_fd_event (EV_P_ int fd, int revents)
895{ 1386{
896 if (fd >= 0 && fd < anfdmax) 1387 if (fd >= 0 && fd < anfdmax)
897 fd_event_nc (EV_A_ fd, revents); 1388 fd_event_nocheck (EV_A_ fd, revents);
898} 1389}
899 1390
900/* make sure the external fd watch events are in-sync */ 1391/* make sure the external fd watch events are in-sync */
901/* with the kernel/libev internal state */ 1392/* with the kernel/libev internal state */
902inline_size void 1393inline_size void
903fd_reify (EV_P) 1394fd_reify (EV_P)
904{ 1395{
905 int i; 1396 int i;
906 1397
1398#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1399 for (i = 0; i < fdchangecnt; ++i)
1400 {
1401 int fd = fdchanges [i];
1402 ANFD *anfd = anfds + fd;
1403
1404 if (anfd->reify & EV__IOFDSET && anfd->head)
1405 {
1406 SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
1407
1408 if (handle != anfd->handle)
1409 {
1410 unsigned long arg;
1411
1412 assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
1413
1414 /* handle changed, but fd didn't - we need to do it in two steps */
1415 backend_modify (EV_A_ fd, anfd->events, 0);
1416 anfd->events = 0;
1417 anfd->handle = handle;
1418 }
1419 }
1420 }
1421#endif
1422
907 for (i = 0; i < fdchangecnt; ++i) 1423 for (i = 0; i < fdchangecnt; ++i)
908 { 1424 {
909 int fd = fdchanges [i]; 1425 int fd = fdchanges [i];
910 ANFD *anfd = anfds + fd; 1426 ANFD *anfd = anfds + fd;
911 ev_io *w; 1427 ev_io *w;
912 1428
913 unsigned char events = 0; 1429 unsigned char o_events = anfd->events;
1430 unsigned char o_reify = anfd->reify;
914 1431
915 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1432 anfd->reify = 0;
916 events |= (unsigned char)w->events;
917 1433
918#if EV_SELECT_IS_WINSOCKET 1434 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
919 if (events)
920 { 1435 {
921 unsigned long arg; 1436 anfd->events = 0;
922 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 1437
923 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 1438 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1439 anfd->events |= (unsigned char)w->events;
1440
1441 if (o_events != anfd->events)
1442 o_reify = EV__IOFDSET; /* actually |= */
924 } 1443 }
925#endif
926 1444
927 { 1445 if (o_reify & EV__IOFDSET)
928 unsigned char o_events = anfd->events;
929 unsigned char o_reify = anfd->reify;
930
931 anfd->reify = 0;
932 anfd->events = events;
933
934 if (o_events != events || o_reify & EV__IOFDSET)
935 backend_modify (EV_A_ fd, o_events, events); 1446 backend_modify (EV_A_ fd, o_events, anfd->events);
936 }
937 } 1447 }
938 1448
939 fdchangecnt = 0; 1449 fdchangecnt = 0;
940} 1450}
941 1451
… …
953 fdchanges [fdchangecnt - 1] = fd; 1463 fdchanges [fdchangecnt - 1] = fd;
954 } 1464 }
955} 1465}
956 1466
957/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 1467/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
958inline_speed void 1468inline_speed void ecb_cold
959fd_kill (EV_P_ int fd) 1469fd_kill (EV_P_ int fd)
960{ 1470{
961 ev_io *w; 1471 ev_io *w;
962 1472
963 while ((w = (ev_io *)anfds [fd].head)) 1473 while ((w = (ev_io *)anfds [fd].head))
… …
965 ev_io_stop (EV_A_ w); 1475 ev_io_stop (EV_A_ w);
966 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1476 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
967 } 1477 }
968} 1478}
969 1479
970/* check whether the given fd is atcually valid, for error recovery */ 1480/* check whether the given fd is actually valid, for error recovery */
971inline_size int 1481inline_size int ecb_cold
972fd_valid (int fd) 1482fd_valid (int fd)
973{ 1483{
974#ifdef _WIN32 1484#ifdef _WIN32
975 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 1485 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
976#else 1486#else
977 return fcntl (fd, F_GETFD) != -1; 1487 return fcntl (fd, F_GETFD) != -1;
978#endif 1488#endif
979} 1489}
980 1490
981/* called on EBADF to verify fds */ 1491/* called on EBADF to verify fds */
982static void noinline 1492static void noinline ecb_cold
983fd_ebadf (EV_P) 1493fd_ebadf (EV_P)
984{ 1494{
985 int fd; 1495 int fd;
986 1496
987 for (fd = 0; fd < anfdmax; ++fd) 1497 for (fd = 0; fd < anfdmax; ++fd)
… …
989 if (!fd_valid (fd) && errno == EBADF) 1499 if (!fd_valid (fd) && errno == EBADF)
990 fd_kill (EV_A_ fd); 1500 fd_kill (EV_A_ fd);
991} 1501}
992 1502
993/* called on ENOMEM in select/poll to kill some fds and retry */ 1503/* called on ENOMEM in select/poll to kill some fds and retry */
994static void noinline 1504static void noinline ecb_cold
995fd_enomem (EV_P) 1505fd_enomem (EV_P)
996{ 1506{
997 int fd; 1507 int fd;
998 1508
999 for (fd = anfdmax; fd--; ) 1509 for (fd = anfdmax; fd--; )
… …
1017 anfds [fd].emask = 0; 1527 anfds [fd].emask = 0;
1018 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1528 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
1019 } 1529 }
1020} 1530}
1021 1531
1532/* used to prepare libev internal fd's */
1533/* this is not fork-safe */
1534inline_speed void
1535fd_intern (int fd)
1536{
1537#ifdef _WIN32
1538 unsigned long arg = 1;
1539 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1540#else
1541 fcntl (fd, F_SETFD, FD_CLOEXEC);
1542 fcntl (fd, F_SETFL, O_NONBLOCK);
1543#endif
1544}
1545
1022/*****************************************************************************/ 1546/*****************************************************************************/
1023 1547
1024/* 1548/*
1025 * the heap functions want a real array index. array index 0 uis guaranteed to not 1549 * the heap functions want a real array index. array index 0 is guaranteed to not
1026 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives 1550 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1027 * the branching factor of the d-tree. 1551 * the branching factor of the d-tree.
1028 */ 1552 */
1029 1553
1030/* 1554/*
… …
1178 1702
1179static ANSIG signals [EV_NSIG - 1]; 1703static ANSIG signals [EV_NSIG - 1];
1180 1704
1181/*****************************************************************************/ 1705/*****************************************************************************/
1182 1706
1183/* used to prepare libev internal fd's */ 1707#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1184/* this is not fork-safe */
1185inline_speed void
1186fd_intern (int fd)
1187{
1188#ifdef _WIN32
1189 unsigned long arg = 1;
1190 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1191#else
1192 fcntl (fd, F_SETFD, FD_CLOEXEC);
1193 fcntl (fd, F_SETFL, O_NONBLOCK);
1194#endif
1195}
1196 1708
1197static void noinline 1709static void noinline ecb_cold
1198evpipe_init (EV_P) 1710evpipe_init (EV_P)
1199{ 1711{
1200 if (!ev_is_active (&pipe_w)) 1712 if (!ev_is_active (&pipe_w))
1201 { 1713 {
1202#if EV_USE_EVENTFD 1714# if EV_USE_EVENTFD
1203 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1715 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1204 if (evfd < 0 && errno == EINVAL) 1716 if (evfd < 0 && errno == EINVAL)
1205 evfd = eventfd (0, 0); 1717 evfd = eventfd (0, 0);
1206 1718
1207 if (evfd >= 0) 1719 if (evfd >= 0)
… …
1209 evpipe [0] = -1; 1721 evpipe [0] = -1;
1210 fd_intern (evfd); /* doing it twice doesn't hurt */ 1722 fd_intern (evfd); /* doing it twice doesn't hurt */
1211 ev_io_set (&pipe_w, evfd, EV_READ); 1723 ev_io_set (&pipe_w, evfd, EV_READ);
1212 } 1724 }
1213 else 1725 else
1214#endif 1726# endif
1215 { 1727 {
1216 while (pipe (evpipe)) 1728 while (pipe (evpipe))
1217 ev_syserr ("(libev) error creating signal/async pipe"); 1729 ev_syserr ("(libev) error creating signal/async pipe");
1218 1730
1219 fd_intern (evpipe [0]); 1731 fd_intern (evpipe [0]);
… …
1224 ev_io_start (EV_A_ &pipe_w); 1736 ev_io_start (EV_A_ &pipe_w);
1225 ev_unref (EV_A); /* watcher should not keep loop alive */ 1737 ev_unref (EV_A); /* watcher should not keep loop alive */
1226 } 1738 }
1227} 1739}
1228 1740
1229inline_size void 1741inline_speed void
1230evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1742evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1231{ 1743{
1232 if (!*flag) 1744 if (expect_true (*flag))
1745 return;
1746
1747 *flag = 1;
1748
1749 ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1750
1751 pipe_write_skipped = 1;
1752
1753 ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1754
1755 if (pipe_write_wanted)
1233 { 1756 {
1757 int old_errno;
1758
1759 pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1760
1234 int old_errno = errno; /* save errno because write might clobber it */ 1761 old_errno = errno; /* save errno because write will clobber it */
1235
1236 *flag = 1;
1237 1762
1238#if EV_USE_EVENTFD 1763#if EV_USE_EVENTFD
1239 if (evfd >= 0) 1764 if (evfd >= 0)
1240 { 1765 {
1241 uint64_t counter = 1; 1766 uint64_t counter = 1;
1242 write (evfd, &counter, sizeof (uint64_t)); 1767 write (evfd, &counter, sizeof (uint64_t));
1243 } 1768 }
1244 else 1769 else
1245#endif 1770#endif
1771 {
1772 /* win32 people keep sending patches that change this write() to send() */
1773 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1774 /* so when you think this write should be a send instead, please find out */
1775 /* where your send() is from - it's definitely not the microsoft send, and */
1776 /* tell me. thank you. */
1246 write (evpipe [1], &old_errno, 1); 1777 write (evpipe [1], &(evpipe [1]), 1);
1778 }
1247 1779
1248 errno = old_errno; 1780 errno = old_errno;
1249 } 1781 }
1250} 1782}
1251 1783
… …
1254static void 1786static void
1255pipecb (EV_P_ ev_io *iow, int revents) 1787pipecb (EV_P_ ev_io *iow, int revents)
1256{ 1788{
1257 int i; 1789 int i;
1258 1790
1791 if (revents & EV_READ)
1792 {
1259#if EV_USE_EVENTFD 1793#if EV_USE_EVENTFD
1260 if (evfd >= 0) 1794 if (evfd >= 0)
1261 { 1795 {
1262 uint64_t counter; 1796 uint64_t counter;
1263 read (evfd, &counter, sizeof (uint64_t)); 1797 read (evfd, &counter, sizeof (uint64_t));
1264 } 1798 }
1265 else 1799 else
1266#endif 1800#endif
1267 { 1801 {
1268 char dummy; 1802 char dummy;
1803 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1269 read (evpipe [0], &dummy, 1); 1804 read (evpipe [0], &dummy, 1);
1805 }
1270 } 1806 }
1271 1807
1808 pipe_write_skipped = 0;
1809
1810#if EV_SIGNAL_ENABLE
1272 if (sig_pending) 1811 if (sig_pending)
1273 { 1812 {
1274 sig_pending = 0; 1813 sig_pending = 0;
1275 1814
1276 for (i = EV_NSIG - 1; i--; ) 1815 for (i = EV_NSIG - 1; i--; )
1277 if (expect_false (signals [i].pending)) 1816 if (expect_false (signals [i].pending))
1278 ev_feed_signal_event (EV_A_ i + 1); 1817 ev_feed_signal_event (EV_A_ i + 1);
1279 } 1818 }
1819#endif
1280 1820
1281#if EV_ASYNC_ENABLE 1821#if EV_ASYNC_ENABLE
1282 if (async_pending) 1822 if (async_pending)
1283 { 1823 {
1284 async_pending = 0; 1824 async_pending = 0;
… …
1293#endif 1833#endif
1294} 1834}
1295 1835
1296/*****************************************************************************/ 1836/*****************************************************************************/
1297 1837
1838void
1839ev_feed_signal (int signum)
1840{
1841#if EV_MULTIPLICITY
1842 EV_P = signals [signum - 1].loop;
1843
1844 if (!EV_A)
1845 return;
1846#endif
1847
1848 if (!ev_active (&pipe_w))
1849 return;
1850
1851 signals [signum - 1].pending = 1;
1852 evpipe_write (EV_A_ &sig_pending);
1853}
1854
1298static void 1855static void
1299ev_sighandler (int signum) 1856ev_sighandler (int signum)
1300{ 1857{
1301#if EV_MULTIPLICITY
1302 EV_P = signals [signum - 1].loop;
1303#endif
1304
1305#ifdef _WIN32 1858#ifdef _WIN32
1306 signal (signum, ev_sighandler); 1859 signal (signum, ev_sighandler);
1307#endif 1860#endif
1308 1861
1309 signals [signum - 1].pending = 1; 1862 ev_feed_signal (signum);
1310 evpipe_write (EV_A_ &sig_pending);
1311} 1863}
1312 1864
1313void noinline 1865void noinline
1314ev_feed_signal_event (EV_P_ int signum) 1866ev_feed_signal_event (EV_P_ int signum)
1315{ 1867{
… …
1352 break; 1904 break;
1353 } 1905 }
1354} 1906}
1355#endif 1907#endif
1356 1908
1909#endif
1910
1357/*****************************************************************************/ 1911/*****************************************************************************/
1358 1912
1913#if EV_CHILD_ENABLE
1359static WL childs [EV_PID_HASHSIZE]; 1914static WL childs [EV_PID_HASHSIZE];
1360
1361#ifndef _WIN32
1362 1915
1363static ev_signal childev; 1916static ev_signal childev;
1364 1917
1365#ifndef WIFCONTINUED 1918#ifndef WIFCONTINUED
1366# define WIFCONTINUED(status) 0 1919# define WIFCONTINUED(status) 0
… …
1371child_reap (EV_P_ int chain, int pid, int status) 1924child_reap (EV_P_ int chain, int pid, int status)
1372{ 1925{
1373 ev_child *w; 1926 ev_child *w;
1374 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1927 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1375 1928
1376 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1929 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1377 { 1930 {
1378 if ((w->pid == pid || !w->pid) 1931 if ((w->pid == pid || !w->pid)
1379 && (!traced || (w->flags & 1))) 1932 && (!traced || (w->flags & 1)))
1380 { 1933 {
1381 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1934 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
… …
1406 /* make sure we are called again until all children have been reaped */ 1959 /* make sure we are called again until all children have been reaped */
1407 /* we need to do it this way so that the callback gets called before we continue */ 1960 /* we need to do it this way so that the callback gets called before we continue */
1408 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1961 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1409 1962
1410 child_reap (EV_A_ pid, pid, status); 1963 child_reap (EV_A_ pid, pid, status);
1411 if (EV_PID_HASHSIZE > 1) 1964 if ((EV_PID_HASHSIZE) > 1)
1412 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1965 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1413} 1966}
1414 1967
1415#endif 1968#endif
1416 1969
1417/*****************************************************************************/ 1970/*****************************************************************************/
1418 1971
1972#if EV_USE_IOCP
1973# include "ev_iocp.c"
1974#endif
1419#if EV_USE_PORT 1975#if EV_USE_PORT
1420# include "ev_port.c" 1976# include "ev_port.c"
1421#endif 1977#endif
1422#if EV_USE_KQUEUE 1978#if EV_USE_KQUEUE
1423# include "ev_kqueue.c" 1979# include "ev_kqueue.c"
… …
1430#endif 1986#endif
1431#if EV_USE_SELECT 1987#if EV_USE_SELECT
1432# include "ev_select.c" 1988# include "ev_select.c"
1433#endif 1989#endif
1434 1990
1435int 1991int ecb_cold
1436ev_version_major (void) 1992ev_version_major (void)
1437{ 1993{
1438 return EV_VERSION_MAJOR; 1994 return EV_VERSION_MAJOR;
1439} 1995}
1440 1996
1441int 1997int ecb_cold
1442ev_version_minor (void) 1998ev_version_minor (void)
1443{ 1999{
1444 return EV_VERSION_MINOR; 2000 return EV_VERSION_MINOR;
1445} 2001}
1446 2002
1447/* return true if we are running with elevated privileges and should ignore env variables */ 2003/* return true if we are running with elevated privileges and should ignore env variables */
1448int inline_size 2004int inline_size ecb_cold
1449enable_secure (void) 2005enable_secure (void)
1450{ 2006{
1451#ifdef _WIN32 2007#ifdef _WIN32
1452 return 0; 2008 return 0;
1453#else 2009#else
1454 return getuid () != geteuid () 2010 return getuid () != geteuid ()
1455 || getgid () != getegid (); 2011 || getgid () != getegid ();
1456#endif 2012#endif
1457} 2013}
1458 2014
1459unsigned int 2015unsigned int ecb_cold
1460ev_supported_backends (void) 2016ev_supported_backends (void)
1461{ 2017{
1462 unsigned int flags = 0; 2018 unsigned int flags = 0;
1463 2019
1464 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2020 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
… …
1468 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2024 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
1469 2025
1470 return flags; 2026 return flags;
1471} 2027}
1472 2028
1473unsigned int 2029unsigned int ecb_cold
1474ev_recommended_backends (void) 2030ev_recommended_backends (void)
1475{ 2031{
1476 unsigned int flags = ev_supported_backends (); 2032 unsigned int flags = ev_supported_backends ();
1477 2033
1478#ifndef __NetBSD__ 2034#ifndef __NetBSD__
… …
1483#ifdef __APPLE__ 2039#ifdef __APPLE__
1484 /* only select works correctly on that "unix-certified" platform */ 2040 /* only select works correctly on that "unix-certified" platform */
1485 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 2041 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1486 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 2042 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1487#endif 2043#endif
2044#ifdef __FreeBSD__
2045 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2046#endif
1488 2047
1489 return flags; 2048 return flags;
1490} 2049}
1491 2050
1492unsigned int 2051unsigned int ecb_cold
1493ev_embeddable_backends (void) 2052ev_embeddable_backends (void)
1494{ 2053{
1495 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2054 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1496 2055
1497 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2056 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1498 /* please fix it and tell me how to detect the fix */ 2057 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1499 flags &= ~EVBACKEND_EPOLL; 2058 flags &= ~EVBACKEND_EPOLL;
1500 2059
1501 return flags; 2060 return flags;
1502} 2061}
1503 2062
1504unsigned int 2063unsigned int
1505ev_backend (EV_P) 2064ev_backend (EV_P)
1506{ 2065{
1507 return backend; 2066 return backend;
1508} 2067}
1509 2068
1510#if EV_MINIMAL < 2 2069#if EV_FEATURE_API
1511unsigned int 2070unsigned int
1512ev_loop_count (EV_P) 2071ev_iteration (EV_P)
1513{ 2072{
1514 return loop_count; 2073 return loop_count;
1515} 2074}
1516 2075
1517unsigned int 2076unsigned int
1518ev_loop_depth (EV_P) 2077ev_depth (EV_P)
1519{ 2078{
1520 return loop_depth; 2079 return loop_depth;
1521} 2080}
1522 2081
1523void 2082void
… …
1542ev_userdata (EV_P) 2101ev_userdata (EV_P)
1543{ 2102{
1544 return userdata; 2103 return userdata;
1545} 2104}
1546 2105
2106void
1547void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 2107ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
1548{ 2108{
1549 invoke_cb = invoke_pending_cb; 2109 invoke_cb = invoke_pending_cb;
1550} 2110}
1551 2111
2112void
1552void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 2113ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))
1553{ 2114{
1554 release_cb = release; 2115 release_cb = release;
1555 acquire_cb = acquire; 2116 acquire_cb = acquire;
1556} 2117}
1557#endif 2118#endif
1558 2119
1559/* initialise a loop structure, must be zero-initialised */ 2120/* initialise a loop structure, must be zero-initialised */
1560static void noinline 2121static void noinline ecb_cold
1561loop_init (EV_P_ unsigned int flags) 2122loop_init (EV_P_ unsigned int flags)
1562{ 2123{
1563 if (!backend) 2124 if (!backend)
1564 { 2125 {
2126 origflags = flags;
2127
1565#if EV_USE_REALTIME 2128#if EV_USE_REALTIME
1566 if (!have_realtime) 2129 if (!have_realtime)
1567 { 2130 {
1568 struct timespec ts; 2131 struct timespec ts;
1569 2132
… …
1591 if (!(flags & EVFLAG_NOENV) 2154 if (!(flags & EVFLAG_NOENV)
1592 && !enable_secure () 2155 && !enable_secure ()
1593 && getenv ("LIBEV_FLAGS")) 2156 && getenv ("LIBEV_FLAGS"))
1594 flags = atoi (getenv ("LIBEV_FLAGS")); 2157 flags = atoi (getenv ("LIBEV_FLAGS"));
1595 2158
1596 ev_rt_now = ev_time (); 2159 ev_rt_now = ev_time ();
1597 mn_now = get_clock (); 2160 mn_now = get_clock ();
1598 now_floor = mn_now; 2161 now_floor = mn_now;
1599 rtmn_diff = ev_rt_now - mn_now; 2162 rtmn_diff = ev_rt_now - mn_now;
1600#if EV_MINIMAL < 2 2163#if EV_FEATURE_API
1601 invoke_cb = ev_invoke_pending; 2164 invoke_cb = ev_invoke_pending;
1602#endif 2165#endif
1603 2166
1604 io_blocktime = 0.; 2167 io_blocktime = 0.;
1605 timeout_blocktime = 0.; 2168 timeout_blocktime = 0.;
1606 backend = 0; 2169 backend = 0;
1607 backend_fd = -1; 2170 backend_fd = -1;
1608 sig_pending = 0; 2171 sig_pending = 0;
1609#if EV_ASYNC_ENABLE 2172#if EV_ASYNC_ENABLE
1610 async_pending = 0; 2173 async_pending = 0;
1611#endif 2174#endif
2175 pipe_write_skipped = 0;
2176 pipe_write_wanted = 0;
1612#if EV_USE_INOTIFY 2177#if EV_USE_INOTIFY
1613 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 2178 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1614#endif 2179#endif
1615#if EV_USE_SIGNALFD 2180#if EV_USE_SIGNALFD
1616 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1; 2181 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1617#endif 2182#endif
1618 2183
1619 if (!(flags & 0x0000ffffU)) 2184 if (!(flags & EVBACKEND_MASK))
1620 flags |= ev_recommended_backends (); 2185 flags |= ev_recommended_backends ();
1621 2186
2187#if EV_USE_IOCP
2188 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2189#endif
1622#if EV_USE_PORT 2190#if EV_USE_PORT
1623 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 2191 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1624#endif 2192#endif
1625#if EV_USE_KQUEUE 2193#if EV_USE_KQUEUE
1626 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 2194 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1635 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 2203 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1636#endif 2204#endif
1637 2205
1638 ev_prepare_init (&pending_w, pendingcb); 2206 ev_prepare_init (&pending_w, pendingcb);
1639 2207
2208#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1640 ev_init (&pipe_w, pipecb); 2209 ev_init (&pipe_w, pipecb);
1641 ev_set_priority (&pipe_w, EV_MAXPRI); 2210 ev_set_priority (&pipe_w, EV_MAXPRI);
2211#endif
1642 } 2212 }
1643} 2213}
1644 2214
1645/* free up a loop structure */ 2215/* free up a loop structure */
1646static void noinline 2216void ecb_cold
1647loop_destroy (EV_P) 2217ev_loop_destroy (EV_P)
1648{ 2218{
1649 int i; 2219 int i;
2220
2221#if EV_MULTIPLICITY
2222 /* mimic free (0) */
2223 if (!EV_A)
2224 return;
2225#endif
2226
2227#if EV_CLEANUP_ENABLE
2228 /* queue cleanup watchers (and execute them) */
2229 if (expect_false (cleanupcnt))
2230 {
2231 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2232 EV_INVOKE_PENDING;
2233 }
2234#endif
2235
2236#if EV_CHILD_ENABLE
2237 if (ev_is_active (&childev))
2238 {
2239 ev_ref (EV_A); /* child watcher */
2240 ev_signal_stop (EV_A_ &childev);
2241 }
2242#endif
1650 2243
1651 if (ev_is_active (&pipe_w)) 2244 if (ev_is_active (&pipe_w))
1652 { 2245 {
1653 /*ev_ref (EV_A);*/ 2246 /*ev_ref (EV_A);*/
1654 /*ev_io_stop (EV_A_ &pipe_w);*/ 2247 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1676#endif 2269#endif
1677 2270
1678 if (backend_fd >= 0) 2271 if (backend_fd >= 0)
1679 close (backend_fd); 2272 close (backend_fd);
1680 2273
2274#if EV_USE_IOCP
2275 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2276#endif
1681#if EV_USE_PORT 2277#if EV_USE_PORT
1682 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 2278 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1683#endif 2279#endif
1684#if EV_USE_KQUEUE 2280#if EV_USE_KQUEUE
1685 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 2281 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1712 array_free (periodic, EMPTY); 2308 array_free (periodic, EMPTY);
1713#endif 2309#endif
1714#if EV_FORK_ENABLE 2310#if EV_FORK_ENABLE
1715 array_free (fork, EMPTY); 2311 array_free (fork, EMPTY);
1716#endif 2312#endif
2313#if EV_CLEANUP_ENABLE
2314 array_free (cleanup, EMPTY);
2315#endif
1717 array_free (prepare, EMPTY); 2316 array_free (prepare, EMPTY);
1718 array_free (check, EMPTY); 2317 array_free (check, EMPTY);
1719#if EV_ASYNC_ENABLE 2318#if EV_ASYNC_ENABLE
1720 array_free (async, EMPTY); 2319 array_free (async, EMPTY);
1721#endif 2320#endif
1722 2321
1723 backend = 0; 2322 backend = 0;
2323
2324#if EV_MULTIPLICITY
2325 if (ev_is_default_loop (EV_A))
2326#endif
2327 ev_default_loop_ptr = 0;
2328#if EV_MULTIPLICITY
2329 else
2330 ev_free (EV_A);
2331#endif
1724} 2332}
1725 2333
1726#if EV_USE_INOTIFY 2334#if EV_USE_INOTIFY
1727inline_size void infy_fork (EV_P); 2335inline_size void infy_fork (EV_P);
1728#endif 2336#endif
… …
1743 infy_fork (EV_A); 2351 infy_fork (EV_A);
1744#endif 2352#endif
1745 2353
1746 if (ev_is_active (&pipe_w)) 2354 if (ev_is_active (&pipe_w))
1747 { 2355 {
1748 /* this "locks" the handlers against writing to the pipe */ 2356 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
1749 /* while we modify the fd vars */
1750 sig_pending = 1;
1751#if EV_ASYNC_ENABLE
1752 async_pending = 1;
1753#endif
1754 2357
1755 ev_ref (EV_A); 2358 ev_ref (EV_A);
1756 ev_io_stop (EV_A_ &pipe_w); 2359 ev_io_stop (EV_A_ &pipe_w);
1757 2360
1758#if EV_USE_EVENTFD 2361#if EV_USE_EVENTFD
… …
1764 { 2367 {
1765 EV_WIN32_CLOSE_FD (evpipe [0]); 2368 EV_WIN32_CLOSE_FD (evpipe [0]);
1766 EV_WIN32_CLOSE_FD (evpipe [1]); 2369 EV_WIN32_CLOSE_FD (evpipe [1]);
1767 } 2370 }
1768 2371
2372#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1769 evpipe_init (EV_A); 2373 evpipe_init (EV_A);
1770 /* now iterate over everything, in case we missed something */ 2374 /* now iterate over everything, in case we missed something */
1771 pipecb (EV_A_ &pipe_w, EV_READ); 2375 pipecb (EV_A_ &pipe_w, EV_READ);
2376#endif
1772 } 2377 }
1773 2378
1774 postfork = 0; 2379 postfork = 0;
1775} 2380}
1776 2381
1777#if EV_MULTIPLICITY 2382#if EV_MULTIPLICITY
1778 2383
1779struct ev_loop * 2384struct ev_loop * ecb_cold
1780ev_loop_new (unsigned int flags) 2385ev_loop_new (unsigned int flags)
1781{ 2386{
1782 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2387 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1783 2388
1784 memset (EV_A, 0, sizeof (struct ev_loop)); 2389 memset (EV_A, 0, sizeof (struct ev_loop));
1785 loop_init (EV_A_ flags); 2390 loop_init (EV_A_ flags);
1786 2391
1787 if (ev_backend (EV_A)) 2392 if (ev_backend (EV_A))
1788 return EV_A; 2393 return EV_A;
1789 2394
2395 ev_free (EV_A);
1790 return 0; 2396 return 0;
1791} 2397}
1792 2398
1793void
1794ev_loop_destroy (EV_P)
1795{
1796 loop_destroy (EV_A);
1797 ev_free (loop);
1798}
1799
1800void
1801ev_loop_fork (EV_P)
1802{
1803 postfork = 1; /* must be in line with ev_default_fork */
1804}
1805#endif /* multiplicity */ 2399#endif /* multiplicity */
1806 2400
1807#if EV_VERIFY 2401#if EV_VERIFY
1808static void noinline 2402static void noinline ecb_cold
1809verify_watcher (EV_P_ W w) 2403verify_watcher (EV_P_ W w)
1810{ 2404{
1811 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 2405 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1812 2406
1813 if (w->pending) 2407 if (w->pending)
1814 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 2408 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1815} 2409}
1816 2410
1817static void noinline 2411static void noinline ecb_cold
1818verify_heap (EV_P_ ANHE *heap, int N) 2412verify_heap (EV_P_ ANHE *heap, int N)
1819{ 2413{
1820 int i; 2414 int i;
1821 2415
1822 for (i = HEAP0; i < N + HEAP0; ++i) 2416 for (i = HEAP0; i < N + HEAP0; ++i)
… …
1827 2421
1828 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 2422 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1829 } 2423 }
1830} 2424}
1831 2425
1832static void noinline 2426static void noinline ecb_cold
1833array_verify (EV_P_ W *ws, int cnt) 2427array_verify (EV_P_ W *ws, int cnt)
1834{ 2428{
1835 while (cnt--) 2429 while (cnt--)
1836 { 2430 {
1837 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 2431 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1838 verify_watcher (EV_A_ ws [cnt]); 2432 verify_watcher (EV_A_ ws [cnt]);
1839 } 2433 }
1840} 2434}
1841#endif 2435#endif
1842 2436
1843#if EV_MINIMAL < 2 2437#if EV_FEATURE_API
1844void 2438void ecb_cold
1845ev_loop_verify (EV_P) 2439ev_verify (EV_P)
1846{ 2440{
1847#if EV_VERIFY 2441#if EV_VERIFY
1848 int i; 2442 int i;
1849 WL w; 2443 WL w;
1850 2444
… …
1884#if EV_FORK_ENABLE 2478#if EV_FORK_ENABLE
1885 assert (forkmax >= forkcnt); 2479 assert (forkmax >= forkcnt);
1886 array_verify (EV_A_ (W *)forks, forkcnt); 2480 array_verify (EV_A_ (W *)forks, forkcnt);
1887#endif 2481#endif
1888 2482
2483#if EV_CLEANUP_ENABLE
2484 assert (cleanupmax >= cleanupcnt);
2485 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2486#endif
2487
1889#if EV_ASYNC_ENABLE 2488#if EV_ASYNC_ENABLE
1890 assert (asyncmax >= asynccnt); 2489 assert (asyncmax >= asynccnt);
1891 array_verify (EV_A_ (W *)asyncs, asynccnt); 2490 array_verify (EV_A_ (W *)asyncs, asynccnt);
1892#endif 2491#endif
1893 2492
2493#if EV_PREPARE_ENABLE
1894 assert (preparemax >= preparecnt); 2494 assert (preparemax >= preparecnt);
1895 array_verify (EV_A_ (W *)prepares, preparecnt); 2495 array_verify (EV_A_ (W *)prepares, preparecnt);
2496#endif
1896 2497
2498#if EV_CHECK_ENABLE
1897 assert (checkmax >= checkcnt); 2499 assert (checkmax >= checkcnt);
1898 array_verify (EV_A_ (W *)checks, checkcnt); 2500 array_verify (EV_A_ (W *)checks, checkcnt);
2501#endif
1899 2502
1900# if 0 2503# if 0
2504#if EV_CHILD_ENABLE
1901 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 2505 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1902 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) 2506 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
2507#endif
1903# endif 2508# endif
1904#endif 2509#endif
1905} 2510}
1906#endif 2511#endif
1907 2512
1908#if EV_MULTIPLICITY 2513#if EV_MULTIPLICITY
1909struct ev_loop * 2514struct ev_loop * ecb_cold
1910ev_default_loop_init (unsigned int flags)
1911#else 2515#else
1912int 2516int
2517#endif
1913ev_default_loop (unsigned int flags) 2518ev_default_loop (unsigned int flags)
1914#endif
1915{ 2519{
1916 if (!ev_default_loop_ptr) 2520 if (!ev_default_loop_ptr)
1917 { 2521 {
1918#if EV_MULTIPLICITY 2522#if EV_MULTIPLICITY
1919 EV_P = ev_default_loop_ptr = &default_loop_struct; 2523 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1923 2527
1924 loop_init (EV_A_ flags); 2528 loop_init (EV_A_ flags);
1925 2529
1926 if (ev_backend (EV_A)) 2530 if (ev_backend (EV_A))
1927 { 2531 {
1928#ifndef _WIN32 2532#if EV_CHILD_ENABLE
1929 ev_signal_init (&childev, childcb, SIGCHLD); 2533 ev_signal_init (&childev, childcb, SIGCHLD);
1930 ev_set_priority (&childev, EV_MAXPRI); 2534 ev_set_priority (&childev, EV_MAXPRI);
1931 ev_signal_start (EV_A_ &childev); 2535 ev_signal_start (EV_A_ &childev);
1932 ev_unref (EV_A); /* child watcher should not keep loop alive */ 2536 ev_unref (EV_A); /* child watcher should not keep loop alive */
1933#endif 2537#endif
… …
1938 2542
1939 return ev_default_loop_ptr; 2543 return ev_default_loop_ptr;
1940} 2544}
1941 2545
1942void 2546void
1943ev_default_destroy (void) 2547ev_loop_fork (EV_P)
1944{ 2548{
1945#if EV_MULTIPLICITY
1946 EV_P = ev_default_loop_ptr;
1947#endif
1948
1949 ev_default_loop_ptr = 0;
1950
1951#ifndef _WIN32
1952 ev_ref (EV_A); /* child watcher */
1953 ev_signal_stop (EV_A_ &childev);
1954#endif
1955
1956 loop_destroy (EV_A);
1957}
1958
1959void
1960ev_default_fork (void)
1961{
1962#if EV_MULTIPLICITY
1963 EV_P = ev_default_loop_ptr;
1964#endif
1965
1966 postfork = 1; /* must be in line with ev_loop_fork */ 2549 postfork = 1; /* must be in line with ev_default_fork */
1967} 2550}
1968 2551
1969/*****************************************************************************/ 2552/*****************************************************************************/
1970 2553
1971void 2554void
… …
1993 2576
1994 for (pri = NUMPRI; pri--; ) 2577 for (pri = NUMPRI; pri--; )
1995 while (pendingcnt [pri]) 2578 while (pendingcnt [pri])
1996 { 2579 {
1997 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2580 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1998
1999 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
2000 /* ^ this is no longer true, as pending_w could be here */
2001 2581
2002 p->w->pending = 0; 2582 p->w->pending = 0;
2003 EV_CB_INVOKE (p->w, p->events); 2583 EV_CB_INVOKE (p->w, p->events);
2004 EV_FREQUENT_CHECK; 2584 EV_FREQUENT_CHECK;
2005 } 2585 }
… …
2062 EV_FREQUENT_CHECK; 2642 EV_FREQUENT_CHECK;
2063 feed_reverse (EV_A_ (W)w); 2643 feed_reverse (EV_A_ (W)w);
2064 } 2644 }
2065 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2645 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2066 2646
2067 feed_reverse_done (EV_A_ EV_TIMEOUT); 2647 feed_reverse_done (EV_A_ EV_TIMER);
2068 } 2648 }
2069} 2649}
2070 2650
2071#if EV_PERIODIC_ENABLE 2651#if EV_PERIODIC_ENABLE
2652
2653static void noinline
2654periodic_recalc (EV_P_ ev_periodic *w)
2655{
2656 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
2657 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
2658
2659 /* the above almost always errs on the low side */
2660 while (at <= ev_rt_now)
2661 {
2662 ev_tstamp nat = at + w->interval;
2663
2664 /* when resolution fails us, we use ev_rt_now */
2665 if (expect_false (nat == at))
2666 {
2667 at = ev_rt_now;
2668 break;
2669 }
2670
2671 at = nat;
2672 }
2673
2674 ev_at (w) = at;
2675}
2676
2072/* make periodics pending */ 2677/* make periodics pending */
2073inline_size void 2678inline_size void
2074periodics_reify (EV_P) 2679periodics_reify (EV_P)
2075{ 2680{
2076 EV_FREQUENT_CHECK; 2681 EV_FREQUENT_CHECK;
… …
2095 ANHE_at_cache (periodics [HEAP0]); 2700 ANHE_at_cache (periodics [HEAP0]);
2096 downheap (periodics, periodiccnt, HEAP0); 2701 downheap (periodics, periodiccnt, HEAP0);
2097 } 2702 }
2098 else if (w->interval) 2703 else if (w->interval)
2099 { 2704 {
2100 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2705 periodic_recalc (EV_A_ w);
2101 /* if next trigger time is not sufficiently in the future, put it there */
2102 /* this might happen because of floating point inexactness */
2103 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2104 {
2105 ev_at (w) += w->interval;
2106
2107 /* if interval is unreasonably low we might still have a time in the past */
2108 /* so correct this. this will make the periodic very inexact, but the user */
2109 /* has effectively asked to get triggered more often than possible */
2110 if (ev_at (w) < ev_rt_now)
2111 ev_at (w) = ev_rt_now;
2112 }
2113
2114 ANHE_at_cache (periodics [HEAP0]); 2706 ANHE_at_cache (periodics [HEAP0]);
2115 downheap (periodics, periodiccnt, HEAP0); 2707 downheap (periodics, periodiccnt, HEAP0);
2116 } 2708 }
2117 else 2709 else
2118 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 2710 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
… …
2125 feed_reverse_done (EV_A_ EV_PERIODIC); 2717 feed_reverse_done (EV_A_ EV_PERIODIC);
2126 } 2718 }
2127} 2719}
2128 2720
2129/* simply recalculate all periodics */ 2721/* simply recalculate all periodics */
2130/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2722/* TODO: maybe ensure that at least one event happens when jumping forward? */
2131static void noinline 2723static void noinline ecb_cold
2132periodics_reschedule (EV_P) 2724periodics_reschedule (EV_P)
2133{ 2725{
2134 int i; 2726 int i;
2135 2727
2136 /* adjust periodics after time jump */ 2728 /* adjust periodics after time jump */
… …
2139 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); 2731 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
2140 2732
2141 if (w->reschedule_cb) 2733 if (w->reschedule_cb)
2142 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2734 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2143 else if (w->interval) 2735 else if (w->interval)
2144 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2736 periodic_recalc (EV_A_ w);
2145 2737
2146 ANHE_at_cache (periodics [i]); 2738 ANHE_at_cache (periodics [i]);
2147 } 2739 }
2148 2740
2149 reheap (periodics, periodiccnt); 2741 reheap (periodics, periodiccnt);
2150} 2742}
2151#endif 2743#endif
2152 2744
2153/* adjust all timers by a given offset */ 2745/* adjust all timers by a given offset */
2154static void noinline 2746static void noinline ecb_cold
2155timers_reschedule (EV_P_ ev_tstamp adjust) 2747timers_reschedule (EV_P_ ev_tstamp adjust)
2156{ 2748{
2157 int i; 2749 int i;
2158 2750
2159 for (i = 0; i < timercnt; ++i) 2751 for (i = 0; i < timercnt; ++i)
… …
2196 * doesn't hurt either as we only do this on time-jumps or 2788 * doesn't hurt either as we only do this on time-jumps or
2197 * in the unlikely event of having been preempted here. 2789 * in the unlikely event of having been preempted here.
2198 */ 2790 */
2199 for (i = 4; --i; ) 2791 for (i = 4; --i; )
2200 { 2792 {
2793 ev_tstamp diff;
2201 rtmn_diff = ev_rt_now - mn_now; 2794 rtmn_diff = ev_rt_now - mn_now;
2202 2795
2796 diff = odiff - rtmn_diff;
2797
2203 if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) 2798 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
2204 return; /* all is well */ 2799 return; /* all is well */
2205 2800
2206 ev_rt_now = ev_time (); 2801 ev_rt_now = ev_time ();
2207 mn_now = get_clock (); 2802 mn_now = get_clock ();
2208 now_floor = mn_now; 2803 now_floor = mn_now;
… …
2231 mn_now = ev_rt_now; 2826 mn_now = ev_rt_now;
2232 } 2827 }
2233} 2828}
2234 2829
2235void 2830void
2236ev_loop (EV_P_ int flags) 2831ev_run (EV_P_ int flags)
2237{ 2832{
2238#if EV_MINIMAL < 2 2833#if EV_FEATURE_API
2239 ++loop_depth; 2834 ++loop_depth;
2240#endif 2835#endif
2241 2836
2242 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2837 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2243 2838
2244 loop_done = EVUNLOOP_CANCEL; 2839 loop_done = EVBREAK_CANCEL;
2245 2840
2246 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2841 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2247 2842
2248 do 2843 do
2249 { 2844 {
2250#if EV_VERIFY >= 2 2845#if EV_VERIFY >= 2
2251 ev_loop_verify (EV_A); 2846 ev_verify (EV_A);
2252#endif 2847#endif
2253 2848
2254#ifndef _WIN32 2849#ifndef _WIN32
2255 if (expect_false (curpid)) /* penalise the forking check even more */ 2850 if (expect_false (curpid)) /* penalise the forking check even more */
2256 if (expect_false (getpid () != curpid)) 2851 if (expect_false (getpid () != curpid))
… …
2268 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2863 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2269 EV_INVOKE_PENDING; 2864 EV_INVOKE_PENDING;
2270 } 2865 }
2271#endif 2866#endif
2272 2867
2868#if EV_PREPARE_ENABLE
2273 /* queue prepare watchers (and execute them) */ 2869 /* queue prepare watchers (and execute them) */
2274 if (expect_false (preparecnt)) 2870 if (expect_false (preparecnt))
2275 { 2871 {
2276 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2872 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2277 EV_INVOKE_PENDING; 2873 EV_INVOKE_PENDING;
2278 } 2874 }
2875#endif
2279 2876
2280 if (expect_false (loop_done)) 2877 if (expect_false (loop_done))
2281 break; 2878 break;
2282 2879
2283 /* we might have forked, so reify kernel state if necessary */ 2880 /* we might have forked, so reify kernel state if necessary */
… …
2290 /* calculate blocking time */ 2887 /* calculate blocking time */
2291 { 2888 {
2292 ev_tstamp waittime = 0.; 2889 ev_tstamp waittime = 0.;
2293 ev_tstamp sleeptime = 0.; 2890 ev_tstamp sleeptime = 0.;
2294 2891
2892 /* remember old timestamp for io_blocktime calculation */
2893 ev_tstamp prev_mn_now = mn_now;
2894
2895 /* update time to cancel out callback processing overhead */
2896 time_update (EV_A_ 1e100);
2897
2898 /* from now on, we want a pipe-wake-up */
2899 pipe_write_wanted = 1;
2900
2901 ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2902
2295 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2903 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2296 { 2904 {
2297 /* remember old timestamp for io_blocktime calculation */
2298 ev_tstamp prev_mn_now = mn_now;
2299
2300 /* update time to cancel out callback processing overhead */
2301 time_update (EV_A_ 1e100);
2302
2303 waittime = MAX_BLOCKTIME; 2905 waittime = MAX_BLOCKTIME;
2304 2906
2305 if (timercnt) 2907 if (timercnt)
2306 { 2908 {
2307 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2909 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
2308 if (waittime > to) waittime = to; 2910 if (waittime > to) waittime = to;
2309 } 2911 }
2310 2912
2311#if EV_PERIODIC_ENABLE 2913#if EV_PERIODIC_ENABLE
2312 if (periodiccnt) 2914 if (periodiccnt)
2313 { 2915 {
2314 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; 2916 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now;
2315 if (waittime > to) waittime = to; 2917 if (waittime > to) waittime = to;
2316 } 2918 }
2317#endif 2919#endif
2318 2920
2319 /* don't let timeouts decrease the waittime below timeout_blocktime */ 2921 /* don't let timeouts decrease the waittime below timeout_blocktime */
2320 if (expect_false (waittime < timeout_blocktime)) 2922 if (expect_false (waittime < timeout_blocktime))
2321 waittime = timeout_blocktime; 2923 waittime = timeout_blocktime;
2924
2925 /* at this point, we NEED to wait, so we have to ensure */
2926 /* to pass a minimum nonzero value to the backend */
2927 if (expect_false (waittime < backend_mintime))
2928 waittime = backend_mintime;
2322 2929
2323 /* extra check because io_blocktime is commonly 0 */ 2930 /* extra check because io_blocktime is commonly 0 */
2324 if (expect_false (io_blocktime)) 2931 if (expect_false (io_blocktime))
2325 { 2932 {
2326 sleeptime = io_blocktime - (mn_now - prev_mn_now); 2933 sleeptime = io_blocktime - (mn_now - prev_mn_now);
2327 2934
2328 if (sleeptime > waittime - backend_fudge) 2935 if (sleeptime > waittime - backend_mintime)
2329 sleeptime = waittime - backend_fudge; 2936 sleeptime = waittime - backend_mintime;
2330 2937
2331 if (expect_true (sleeptime > 0.)) 2938 if (expect_true (sleeptime > 0.))
2332 { 2939 {
2333 ev_sleep (sleeptime); 2940 ev_sleep (sleeptime);
2334 waittime -= sleeptime; 2941 waittime -= sleeptime;
2335 } 2942 }
2336 } 2943 }
2337 } 2944 }
2338 2945
2339#if EV_MINIMAL < 2 2946#if EV_FEATURE_API
2340 ++loop_count; 2947 ++loop_count;
2341#endif 2948#endif
2342 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2949 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2343 backend_poll (EV_A_ waittime); 2950 backend_poll (EV_A_ waittime);
2344 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2951 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2952
2953 pipe_write_wanted = 0; /* just an optimsiation, no fence needed */
2954
2955 if (pipe_write_skipped)
2956 {
2957 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2958 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2959 }
2960
2345 2961
2346 /* update ev_rt_now, do magic */ 2962 /* update ev_rt_now, do magic */
2347 time_update (EV_A_ waittime + sleeptime); 2963 time_update (EV_A_ waittime + sleeptime);
2348 } 2964 }
2349 2965
… …
2356#if EV_IDLE_ENABLE 2972#if EV_IDLE_ENABLE
2357 /* queue idle watchers unless other events are pending */ 2973 /* queue idle watchers unless other events are pending */
2358 idle_reify (EV_A); 2974 idle_reify (EV_A);
2359#endif 2975#endif
2360 2976
2977#if EV_CHECK_ENABLE
2361 /* queue check watchers, to be executed first */ 2978 /* queue check watchers, to be executed first */
2362 if (expect_false (checkcnt)) 2979 if (expect_false (checkcnt))
2363 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2980 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2981#endif
2364 2982
2365 EV_INVOKE_PENDING; 2983 EV_INVOKE_PENDING;
2366 } 2984 }
2367 while (expect_true ( 2985 while (expect_true (
2368 activecnt 2986 activecnt
2369 && !loop_done 2987 && !loop_done
2370 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2988 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2371 )); 2989 ));
2372 2990
2373 if (loop_done == EVUNLOOP_ONE) 2991 if (loop_done == EVBREAK_ONE)
2374 loop_done = EVUNLOOP_CANCEL; 2992 loop_done = EVBREAK_CANCEL;
2375 2993
2376#if EV_MINIMAL < 2 2994#if EV_FEATURE_API
2377 --loop_depth; 2995 --loop_depth;
2378#endif 2996#endif
2379} 2997}
2380 2998
2381void 2999void
2382ev_unloop (EV_P_ int how) 3000ev_break (EV_P_ int how)
2383{ 3001{
2384 loop_done = how; 3002 loop_done = how;
2385} 3003}
2386 3004
2387void 3005void
… …
2507 3125
2508 if (expect_false (ev_is_active (w))) 3126 if (expect_false (ev_is_active (w)))
2509 return; 3127 return;
2510 3128
2511 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 3129 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2512 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 3130 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2513 3131
2514 EV_FREQUENT_CHECK; 3132 EV_FREQUENT_CHECK;
2515 3133
2516 ev_start (EV_A_ (W)w, 1); 3134 ev_start (EV_A_ (W)w, 1);
2517 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 3135 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
… …
2535 EV_FREQUENT_CHECK; 3153 EV_FREQUENT_CHECK;
2536 3154
2537 wlist_del (&anfds[w->fd].head, (WL)w); 3155 wlist_del (&anfds[w->fd].head, (WL)w);
2538 ev_stop (EV_A_ (W)w); 3156 ev_stop (EV_A_ (W)w);
2539 3157
2540 fd_change (EV_A_ w->fd, 1); 3158 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2541 3159
2542 EV_FREQUENT_CHECK; 3160 EV_FREQUENT_CHECK;
2543} 3161}
2544 3162
2545void noinline 3163void noinline
… …
2587 timers [active] = timers [timercnt + HEAP0]; 3205 timers [active] = timers [timercnt + HEAP0];
2588 adjustheap (timers, timercnt, active); 3206 adjustheap (timers, timercnt, active);
2589 } 3207 }
2590 } 3208 }
2591 3209
2592 EV_FREQUENT_CHECK;
2593
2594 ev_at (w) -= mn_now; 3210 ev_at (w) -= mn_now;
2595 3211
2596 ev_stop (EV_A_ (W)w); 3212 ev_stop (EV_A_ (W)w);
3213
3214 EV_FREQUENT_CHECK;
2597} 3215}
2598 3216
2599void noinline 3217void noinline
2600ev_timer_again (EV_P_ ev_timer *w) 3218ev_timer_again (EV_P_ ev_timer *w)
2601{ 3219{
… …
2637 if (w->reschedule_cb) 3255 if (w->reschedule_cb)
2638 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 3256 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2639 else if (w->interval) 3257 else if (w->interval)
2640 { 3258 {
2641 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); 3259 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2642 /* this formula differs from the one in periodic_reify because we do not always round up */ 3260 periodic_recalc (EV_A_ w);
2643 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2644 } 3261 }
2645 else 3262 else
2646 ev_at (w) = w->offset; 3263 ev_at (w) = w->offset;
2647 3264
2648 EV_FREQUENT_CHECK; 3265 EV_FREQUENT_CHECK;
… …
2680 periodics [active] = periodics [periodiccnt + HEAP0]; 3297 periodics [active] = periodics [periodiccnt + HEAP0];
2681 adjustheap (periodics, periodiccnt, active); 3298 adjustheap (periodics, periodiccnt, active);
2682 } 3299 }
2683 } 3300 }
2684 3301
2685 EV_FREQUENT_CHECK;
2686
2687 ev_stop (EV_A_ (W)w); 3302 ev_stop (EV_A_ (W)w);
3303
3304 EV_FREQUENT_CHECK;
2688} 3305}
2689 3306
2690void noinline 3307void noinline
2691ev_periodic_again (EV_P_ ev_periodic *w) 3308ev_periodic_again (EV_P_ ev_periodic *w)
2692{ 3309{
… …
2697#endif 3314#endif
2698 3315
2699#ifndef SA_RESTART 3316#ifndef SA_RESTART
2700# define SA_RESTART 0 3317# define SA_RESTART 0
2701#endif 3318#endif
3319
3320#if EV_SIGNAL_ENABLE
2702 3321
2703void noinline 3322void noinline
2704ev_signal_start (EV_P_ ev_signal *w) 3323ev_signal_start (EV_P_ ev_signal *w)
2705{ 3324{
2706 if (expect_false (ev_is_active (w))) 3325 if (expect_false (ev_is_active (w)))
… …
2767 sa.sa_handler = ev_sighandler; 3386 sa.sa_handler = ev_sighandler;
2768 sigfillset (&sa.sa_mask); 3387 sigfillset (&sa.sa_mask);
2769 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 3388 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2770 sigaction (w->signum, &sa, 0); 3389 sigaction (w->signum, &sa, 0);
2771 3390
3391 if (origflags & EVFLAG_NOSIGMASK)
3392 {
2772 sigemptyset (&sa.sa_mask); 3393 sigemptyset (&sa.sa_mask);
2773 sigaddset (&sa.sa_mask, w->signum); 3394 sigaddset (&sa.sa_mask, w->signum);
2774 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 3395 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
3396 }
2775#endif 3397#endif
2776 } 3398 }
2777 3399
2778 EV_FREQUENT_CHECK; 3400 EV_FREQUENT_CHECK;
2779} 3401}
… …
2813 } 3435 }
2814 3436
2815 EV_FREQUENT_CHECK; 3437 EV_FREQUENT_CHECK;
2816} 3438}
2817 3439
3440#endif
3441
3442#if EV_CHILD_ENABLE
3443
2818void 3444void
2819ev_child_start (EV_P_ ev_child *w) 3445ev_child_start (EV_P_ ev_child *w)
2820{ 3446{
2821#if EV_MULTIPLICITY 3447#if EV_MULTIPLICITY
2822 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3448 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
… …
2825 return; 3451 return;
2826 3452
2827 EV_FREQUENT_CHECK; 3453 EV_FREQUENT_CHECK;
2828 3454
2829 ev_start (EV_A_ (W)w, 1); 3455 ev_start (EV_A_ (W)w, 1);
2830 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 3456 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2831 3457
2832 EV_FREQUENT_CHECK; 3458 EV_FREQUENT_CHECK;
2833} 3459}
2834 3460
2835void 3461void
… …
2839 if (expect_false (!ev_is_active (w))) 3465 if (expect_false (!ev_is_active (w)))
2840 return; 3466 return;
2841 3467
2842 EV_FREQUENT_CHECK; 3468 EV_FREQUENT_CHECK;
2843 3469
2844 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 3470 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2845 ev_stop (EV_A_ (W)w); 3471 ev_stop (EV_A_ (W)w);
2846 3472
2847 EV_FREQUENT_CHECK; 3473 EV_FREQUENT_CHECK;
2848} 3474}
3475
3476#endif
2849 3477
2850#if EV_STAT_ENABLE 3478#if EV_STAT_ENABLE
2851 3479
2852# ifdef _WIN32 3480# ifdef _WIN32
2853# undef lstat 3481# undef lstat
… …
2859#define MIN_STAT_INTERVAL 0.1074891 3487#define MIN_STAT_INTERVAL 0.1074891
2860 3488
2861static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 3489static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2862 3490
2863#if EV_USE_INOTIFY 3491#if EV_USE_INOTIFY
2864# define EV_INOTIFY_BUFSIZE 8192 3492
3493/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3494# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2865 3495
2866static void noinline 3496static void noinline
2867infy_add (EV_P_ ev_stat *w) 3497infy_add (EV_P_ ev_stat *w)
2868{ 3498{
2869 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); 3499 w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);
… …
2912 if (!pend || pend == path) 3542 if (!pend || pend == path)
2913 break; 3543 break;
2914 3544
2915 *pend = 0; 3545 *pend = 0;
2916 w->wd = inotify_add_watch (fs_fd, path, mask); 3546 w->wd = inotify_add_watch (fs_fd, path, mask);
2917 } 3547 }
2918 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3548 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2919 } 3549 }
2920 } 3550 }
2921 3551
2922 if (w->wd >= 0) 3552 if (w->wd >= 0)
2923 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3553 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2924 3554
2925 /* now re-arm timer, if required */ 3555 /* now re-arm timer, if required */
2926 if (ev_is_active (&w->timer)) ev_ref (EV_A); 3556 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2927 ev_timer_again (EV_A_ &w->timer); 3557 ev_timer_again (EV_A_ &w->timer);
2928 if (ev_is_active (&w->timer)) ev_unref (EV_A); 3558 if (ev_is_active (&w->timer)) ev_unref (EV_A);
… …
2936 3566
2937 if (wd < 0) 3567 if (wd < 0)
2938 return; 3568 return;
2939 3569
2940 w->wd = -2; 3570 w->wd = -2;
2941 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3571 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2942 wlist_del (&fs_hash [slot].head, (WL)w); 3572 wlist_del (&fs_hash [slot].head, (WL)w);
2943 3573
2944 /* remove this watcher, if others are watching it, they will rearm */ 3574 /* remove this watcher, if others are watching it, they will rearm */
2945 inotify_rm_watch (fs_fd, wd); 3575 inotify_rm_watch (fs_fd, wd);
2946} 3576}
… …
2948static void noinline 3578static void noinline
2949infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3579infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2950{ 3580{
2951 if (slot < 0) 3581 if (slot < 0)
2952 /* overflow, need to check for all hash slots */ 3582 /* overflow, need to check for all hash slots */
2953 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3583 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2954 infy_wd (EV_A_ slot, wd, ev); 3584 infy_wd (EV_A_ slot, wd, ev);
2955 else 3585 else
2956 { 3586 {
2957 WL w_; 3587 WL w_;
2958 3588
2959 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3589 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2960 { 3590 {
2961 ev_stat *w = (ev_stat *)w_; 3591 ev_stat *w = (ev_stat *)w_;
2962 w_ = w_->next; /* lets us remove this watcher and all before it */ 3592 w_ = w_->next; /* lets us remove this watcher and all before it */
2963 3593
2964 if (w->wd == wd || wd == -1) 3594 if (w->wd == wd || wd == -1)
2965 { 3595 {
2966 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3596 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2967 { 3597 {
2968 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3598 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2969 w->wd = -1; 3599 w->wd = -1;
2970 infy_add (EV_A_ w); /* re-add, no matter what */ 3600 infy_add (EV_A_ w); /* re-add, no matter what */
2971 } 3601 }
2972 3602
2973 stat_timer_cb (EV_A_ &w->timer, 0); 3603 stat_timer_cb (EV_A_ &w->timer, 0);
… …
2978 3608
2979static void 3609static void
2980infy_cb (EV_P_ ev_io *w, int revents) 3610infy_cb (EV_P_ ev_io *w, int revents)
2981{ 3611{
2982 char buf [EV_INOTIFY_BUFSIZE]; 3612 char buf [EV_INOTIFY_BUFSIZE];
2983 struct inotify_event *ev = (struct inotify_event *)buf;
2984 int ofs; 3613 int ofs;
2985 int len = read (fs_fd, buf, sizeof (buf)); 3614 int len = read (fs_fd, buf, sizeof (buf));
2986 3615
2987 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 3616 for (ofs = 0; ofs < len; )
3617 {
3618 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2988 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3619 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3620 ofs += sizeof (struct inotify_event) + ev->len;
3621 }
2989} 3622}
2990 3623
2991inline_size void 3624inline_size void ecb_cold
2992check_2625 (EV_P) 3625ev_check_2625 (EV_P)
2993{ 3626{
2994 /* kernels < 2.6.25 are borked 3627 /* kernels < 2.6.25 are borked
2995 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3628 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2996 */ 3629 */
2997 struct utsname buf; 3630 if (ev_linux_version () < 0x020619)
2998 int major, minor, micro;
2999
3000 if (uname (&buf))
3001 return;
3002
3003 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
3004 return;
3005
3006 if (major < 2
3007 || (major == 2 && minor < 6)
3008 || (major == 2 && minor == 6 && micro < 25))
3009 return; 3631 return;
3010 3632
3011 fs_2625 = 1; 3633 fs_2625 = 1;
3012} 3634}
3013 3635
… …
3028 if (fs_fd != -2) 3650 if (fs_fd != -2)
3029 return; 3651 return;
3030 3652
3031 fs_fd = -1; 3653 fs_fd = -1;
3032 3654
3033 check_2625 (EV_A); 3655 ev_check_2625 (EV_A);
3034 3656
3035 fs_fd = infy_newfd (); 3657 fs_fd = infy_newfd ();
3036 3658
3037 if (fs_fd >= 0) 3659 if (fs_fd >= 0)
3038 { 3660 {
… …
3063 ev_io_set (&fs_w, fs_fd, EV_READ); 3685 ev_io_set (&fs_w, fs_fd, EV_READ);
3064 ev_io_start (EV_A_ &fs_w); 3686 ev_io_start (EV_A_ &fs_w);
3065 ev_unref (EV_A); 3687 ev_unref (EV_A);
3066 } 3688 }
3067 3689
3068 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3690 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3069 { 3691 {
3070 WL w_ = fs_hash [slot].head; 3692 WL w_ = fs_hash [slot].head;
3071 fs_hash [slot].head = 0; 3693 fs_hash [slot].head = 0;
3072 3694
3073 while (w_) 3695 while (w_)
… …
3248 3870
3249 EV_FREQUENT_CHECK; 3871 EV_FREQUENT_CHECK;
3250} 3872}
3251#endif 3873#endif
3252 3874
3875#if EV_PREPARE_ENABLE
3253void 3876void
3254ev_prepare_start (EV_P_ ev_prepare *w) 3877ev_prepare_start (EV_P_ ev_prepare *w)
3255{ 3878{
3256 if (expect_false (ev_is_active (w))) 3879 if (expect_false (ev_is_active (w)))
3257 return; 3880 return;
… …
3283 3906
3284 ev_stop (EV_A_ (W)w); 3907 ev_stop (EV_A_ (W)w);
3285 3908
3286 EV_FREQUENT_CHECK; 3909 EV_FREQUENT_CHECK;
3287} 3910}
3911#endif
3288 3912
3913#if EV_CHECK_ENABLE
3289void 3914void
3290ev_check_start (EV_P_ ev_check *w) 3915ev_check_start (EV_P_ ev_check *w)
3291{ 3916{
3292 if (expect_false (ev_is_active (w))) 3917 if (expect_false (ev_is_active (w)))
3293 return; 3918 return;
… …
3319 3944
3320 ev_stop (EV_A_ (W)w); 3945 ev_stop (EV_A_ (W)w);
3321 3946
3322 EV_FREQUENT_CHECK; 3947 EV_FREQUENT_CHECK;
3323} 3948}
3949#endif
3324 3950
3325#if EV_EMBED_ENABLE 3951#if EV_EMBED_ENABLE
3326void noinline 3952void noinline
3327ev_embed_sweep (EV_P_ ev_embed *w) 3953ev_embed_sweep (EV_P_ ev_embed *w)
3328{ 3954{
3329 ev_loop (w->other, EVLOOP_NONBLOCK); 3955 ev_run (w->other, EVRUN_NOWAIT);
3330} 3956}
3331 3957
3332static void 3958static void
3333embed_io_cb (EV_P_ ev_io *io, int revents) 3959embed_io_cb (EV_P_ ev_io *io, int revents)
3334{ 3960{
3335 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3961 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3336 3962
3337 if (ev_cb (w)) 3963 if (ev_cb (w))
3338 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3964 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3339 else 3965 else
3340 ev_loop (w->other, EVLOOP_NONBLOCK); 3966 ev_run (w->other, EVRUN_NOWAIT);
3341} 3967}
3342 3968
3343static void 3969static void
3344embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3970embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3345{ 3971{
… …
3349 EV_P = w->other; 3975 EV_P = w->other;
3350 3976
3351 while (fdchangecnt) 3977 while (fdchangecnt)
3352 { 3978 {
3353 fd_reify (EV_A); 3979 fd_reify (EV_A);
3354 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3980 ev_run (EV_A_ EVRUN_NOWAIT);
3355 } 3981 }
3356 } 3982 }
3357} 3983}
3358 3984
3359static void 3985static void
… …
3365 3991
3366 { 3992 {
3367 EV_P = w->other; 3993 EV_P = w->other;
3368 3994
3369 ev_loop_fork (EV_A); 3995 ev_loop_fork (EV_A);
3370 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3996 ev_run (EV_A_ EVRUN_NOWAIT);
3371 } 3997 }
3372 3998
3373 ev_embed_start (EV_A_ w); 3999 ev_embed_start (EV_A_ w);
3374} 4000}
3375 4001
… …
3423 4049
3424 ev_io_stop (EV_A_ &w->io); 4050 ev_io_stop (EV_A_ &w->io);
3425 ev_prepare_stop (EV_A_ &w->prepare); 4051 ev_prepare_stop (EV_A_ &w->prepare);
3426 ev_fork_stop (EV_A_ &w->fork); 4052 ev_fork_stop (EV_A_ &w->fork);
3427 4053
4054 ev_stop (EV_A_ (W)w);
4055
3428 EV_FREQUENT_CHECK; 4056 EV_FREQUENT_CHECK;
3429} 4057}
3430#endif 4058#endif
3431 4059
3432#if EV_FORK_ENABLE 4060#if EV_FORK_ENABLE
… …
3465 4093
3466 EV_FREQUENT_CHECK; 4094 EV_FREQUENT_CHECK;
3467} 4095}
3468#endif 4096#endif
3469 4097
4098#if EV_CLEANUP_ENABLE
4099void
4100ev_cleanup_start (EV_P_ ev_cleanup *w)
4101{
4102 if (expect_false (ev_is_active (w)))
4103 return;
4104
4105 EV_FREQUENT_CHECK;
4106
4107 ev_start (EV_A_ (W)w, ++cleanupcnt);
4108 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
4109 cleanups [cleanupcnt - 1] = w;
4110
4111 /* cleanup watchers should never keep a refcount on the loop */
4112 ev_unref (EV_A);
4113 EV_FREQUENT_CHECK;
4114}
4115
4116void
4117ev_cleanup_stop (EV_P_ ev_cleanup *w)
4118{
4119 clear_pending (EV_A_ (W)w);
4120 if (expect_false (!ev_is_active (w)))
4121 return;
4122
4123 EV_FREQUENT_CHECK;
4124 ev_ref (EV_A);
4125
4126 {
4127 int active = ev_active (w);
4128
4129 cleanups [active - 1] = cleanups [--cleanupcnt];
4130 ev_active (cleanups [active - 1]) = active;
4131 }
4132
4133 ev_stop (EV_A_ (W)w);
4134
4135 EV_FREQUENT_CHECK;
4136}
4137#endif
4138
3470#if EV_ASYNC_ENABLE 4139#if EV_ASYNC_ENABLE
3471void 4140void
3472ev_async_start (EV_P_ ev_async *w) 4141ev_async_start (EV_P_ ev_async *w)
3473{ 4142{
3474 if (expect_false (ev_is_active (w))) 4143 if (expect_false (ev_is_active (w)))
3475 return; 4144 return;
4145
4146 w->sent = 0;
3476 4147
3477 evpipe_init (EV_A); 4148 evpipe_init (EV_A);
3478 4149
3479 EV_FREQUENT_CHECK; 4150 EV_FREQUENT_CHECK;
3480 4151
… …
3558{ 4229{
3559 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 4230 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3560 4231
3561 if (expect_false (!once)) 4232 if (expect_false (!once))
3562 { 4233 {
3563 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 4234 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3564 return; 4235 return;
3565 } 4236 }
3566 4237
3567 once->cb = cb; 4238 once->cb = cb;
3568 once->arg = arg; 4239 once->arg = arg;
… …
3583} 4254}
3584 4255
3585/*****************************************************************************/ 4256/*****************************************************************************/
3586 4257
3587#if EV_WALK_ENABLE 4258#if EV_WALK_ENABLE
3588void 4259void ecb_cold
3589ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 4260ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
3590{ 4261{
3591 int i, j; 4262 int i, j;
3592 ev_watcher_list *wl, *wn; 4263 ev_watcher_list *wl, *wn;
3593 4264
… …
3637 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i])); 4308 cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3638#endif 4309#endif
3639 4310
3640#if EV_IDLE_ENABLE 4311#if EV_IDLE_ENABLE
3641 if (types & EV_IDLE) 4312 if (types & EV_IDLE)
3642 for (j = NUMPRI; i--; ) 4313 for (j = NUMPRI; j--; )
3643 for (i = idlecnt [j]; i--; ) 4314 for (i = idlecnt [j]; i--; )
3644 cb (EV_A_ EV_IDLE, idles [j][i]); 4315 cb (EV_A_ EV_IDLE, idles [j][i]);
3645#endif 4316#endif
3646 4317
3647#if EV_FORK_ENABLE 4318#if EV_FORK_ENABLE
… …
3655 if (types & EV_ASYNC) 4326 if (types & EV_ASYNC)
3656 for (i = asynccnt; i--; ) 4327 for (i = asynccnt; i--; )
3657 cb (EV_A_ EV_ASYNC, asyncs [i]); 4328 cb (EV_A_ EV_ASYNC, asyncs [i]);
3658#endif 4329#endif
3659 4330
4331#if EV_PREPARE_ENABLE
3660 if (types & EV_PREPARE) 4332 if (types & EV_PREPARE)
3661 for (i = preparecnt; i--; ) 4333 for (i = preparecnt; i--; )
3662#if EV_EMBED_ENABLE 4334# if EV_EMBED_ENABLE
3663 if (ev_cb (prepares [i]) != embed_prepare_cb) 4335 if (ev_cb (prepares [i]) != embed_prepare_cb)
3664#endif 4336# endif
3665 cb (EV_A_ EV_PREPARE, prepares [i]); 4337 cb (EV_A_ EV_PREPARE, prepares [i]);
4338#endif
3666 4339
4340#if EV_CHECK_ENABLE
3667 if (types & EV_CHECK) 4341 if (types & EV_CHECK)
3668 for (i = checkcnt; i--; ) 4342 for (i = checkcnt; i--; )
3669 cb (EV_A_ EV_CHECK, checks [i]); 4343 cb (EV_A_ EV_CHECK, checks [i]);
4344#endif
3670 4345
4346#if EV_SIGNAL_ENABLE
3671 if (types & EV_SIGNAL) 4347 if (types & EV_SIGNAL)
3672 for (i = 0; i < EV_NSIG - 1; ++i) 4348 for (i = 0; i < EV_NSIG - 1; ++i)
3673 for (wl = signals [i].head; wl; ) 4349 for (wl = signals [i].head; wl; )
3674 { 4350 {
3675 wn = wl->next; 4351 wn = wl->next;
3676 cb (EV_A_ EV_SIGNAL, wl); 4352 cb (EV_A_ EV_SIGNAL, wl);
3677 wl = wn; 4353 wl = wn;
3678 } 4354 }
4355#endif
3679 4356
4357#if EV_CHILD_ENABLE
3680 if (types & EV_CHILD) 4358 if (types & EV_CHILD)
3681 for (i = EV_PID_HASHSIZE; i--; ) 4359 for (i = (EV_PID_HASHSIZE); i--; )
3682 for (wl = childs [i]; wl; ) 4360 for (wl = childs [i]; wl; )
3683 { 4361 {
3684 wn = wl->next; 4362 wn = wl->next;
3685 cb (EV_A_ EV_CHILD, wl); 4363 cb (EV_A_ EV_CHILD, wl);
3686 wl = wn; 4364 wl = wn;
3687 } 4365 }
4366#endif
3688/* EV_STAT 0x00001000 /* stat data changed */ 4367/* EV_STAT 0x00001000 /* stat data changed */
3689/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 4368/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3690} 4369}
3691#endif 4370#endif
3692 4371
3693#if EV_MULTIPLICITY 4372#if EV_MULTIPLICITY
3694 #include "ev_wrap.h" 4373 #include "ev_wrap.h"
3695#endif 4374#endif
3696 4375
3697#ifdef __cplusplus 4376EV_CPP(})
3698}
3699#endif
3700 4377

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