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Comparing libev/ev.c (file contents):
Revision 1.307 by root, Sun Jul 19 07:20:41 2009 UTC vs.
Revision 1.382 by sf-exg, Thu Jun 30 13:13:59 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
120# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
114# ifndef EV_USE_KQUEUE 121# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H 122# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
116# define EV_USE_KQUEUE 1
117# else
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>
168#include <string.h>
158#include <fcntl.h> 169#include <fcntl.h>
159#include <stddef.h> 170#include <stddef.h>
160 171
161#include <stdio.h> 172#include <stdio.h>
162 173
163#include <assert.h> 174#include <assert.h>
164#include <errno.h> 175#include <errno.h>
165#include <sys/types.h> 176#include <sys/types.h>
166#include <time.h> 177#include <time.h>
178#include <limits.h>
167 179
168#include <signal.h> 180#include <signal.h>
169 181
170#ifdef EV_H 182#ifdef EV_H
171# include EV_H 183# include EV_H
172#else 184#else
173# include "ev.h" 185# include "ev.h"
174#endif 186#endif
187
188EV_CPP(extern "C" {)
175 189
176#ifndef _WIN32 190#ifndef _WIN32
177# include <sys/time.h> 191# include <sys/time.h>
178# include <sys/wait.h> 192# include <sys/wait.h>
179# include <unistd.h> 193# include <unistd.h>
… …
182# define WIN32_LEAN_AND_MEAN 196# define WIN32_LEAN_AND_MEAN
183# include <windows.h> 197# include <windows.h>
184# ifndef EV_SELECT_IS_WINSOCKET 198# ifndef EV_SELECT_IS_WINSOCKET
185# define EV_SELECT_IS_WINSOCKET 1 199# define EV_SELECT_IS_WINSOCKET 1
186# endif 200# endif
201# undef EV_AVOID_STDIO
187#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
188 211
189/* 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 */
190 213
191/* try to deduce the maximum number of signals on this platform */ 214/* try to deduce the maximum number of signals on this platform */
192#if defined (EV_NSIG) 215#if defined (EV_NSIG)
… …
204#elif defined (MAXSIG) 227#elif defined (MAXSIG)
205# define EV_NSIG (MAXSIG+1) 228# define EV_NSIG (MAXSIG+1)
206#elif defined (MAX_SIG) 229#elif defined (MAX_SIG)
207# define EV_NSIG (MAX_SIG+1) 230# define EV_NSIG (MAX_SIG+1)
208#elif defined (SIGARRAYSIZE) 231#elif defined (SIGARRAYSIZE)
209# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 232# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
210#elif defined (_sys_nsig) 233#elif defined (_sys_nsig)
211# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 234# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
212#else 235#else
213# error "unable to find value for NSIG, please report" 236# error "unable to find value for NSIG, please report"
214/* 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! :) */
215# define EV_NSIG 65 239# define EV_NSIG 65
240#endif
241
242#ifndef EV_USE_FLOOR
243# define EV_USE_FLOOR 0
216#endif 244#endif
217 245
218#ifndef EV_USE_CLOCK_SYSCALL 246#ifndef EV_USE_CLOCK_SYSCALL
219# if __linux && __GLIBC__ >= 2 247# if __linux && __GLIBC__ >= 2
220# define EV_USE_CLOCK_SYSCALL 1 248# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
221# else 249# else
222# define EV_USE_CLOCK_SYSCALL 0 250# define EV_USE_CLOCK_SYSCALL 0
223# endif 251# endif
224#endif 252#endif
225 253
226#ifndef EV_USE_MONOTONIC 254#ifndef EV_USE_MONOTONIC
227# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 255# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
228# define EV_USE_MONOTONIC 1 256# define EV_USE_MONOTONIC EV_FEATURE_OS
229# else 257# else
230# define EV_USE_MONOTONIC 0 258# define EV_USE_MONOTONIC 0
231# endif 259# endif
232#endif 260#endif
233 261
… …
235# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 263# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
236#endif 264#endif
237 265
238#ifndef EV_USE_NANOSLEEP 266#ifndef EV_USE_NANOSLEEP
239# if _POSIX_C_SOURCE >= 199309L 267# if _POSIX_C_SOURCE >= 199309L
240# define EV_USE_NANOSLEEP 1 268# define EV_USE_NANOSLEEP EV_FEATURE_OS
241# else 269# else
242# define EV_USE_NANOSLEEP 0 270# define EV_USE_NANOSLEEP 0
243# endif 271# endif
244#endif 272#endif
245 273
246#ifndef EV_USE_SELECT 274#ifndef EV_USE_SELECT
247# define EV_USE_SELECT 1 275# define EV_USE_SELECT EV_FEATURE_BACKENDS
248#endif 276#endif
249 277
250#ifndef EV_USE_POLL 278#ifndef EV_USE_POLL
251# ifdef _WIN32 279# ifdef _WIN32
252# define EV_USE_POLL 0 280# define EV_USE_POLL 0
253# else 281# else
254# define EV_USE_POLL 1 282# define EV_USE_POLL EV_FEATURE_BACKENDS
255# endif 283# endif
256#endif 284#endif
257 285
258#ifndef EV_USE_EPOLL 286#ifndef EV_USE_EPOLL
259# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 287# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
260# define EV_USE_EPOLL 1 288# define EV_USE_EPOLL EV_FEATURE_BACKENDS
261# else 289# else
262# define EV_USE_EPOLL 0 290# define EV_USE_EPOLL 0
263# endif 291# endif
264#endif 292#endif
265 293
… …
271# define EV_USE_PORT 0 299# define EV_USE_PORT 0
272#endif 300#endif
273 301
274#ifndef EV_USE_INOTIFY 302#ifndef EV_USE_INOTIFY
275# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 303# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
276# define EV_USE_INOTIFY 1 304# define EV_USE_INOTIFY EV_FEATURE_OS
277# else 305# else
278# define EV_USE_INOTIFY 0 306# define EV_USE_INOTIFY 0
279# endif 307# endif
280#endif 308#endif
281 309
282#ifndef EV_PID_HASHSIZE 310#ifndef EV_PID_HASHSIZE
283# if EV_MINIMAL 311# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
284# define EV_PID_HASHSIZE 1
285# else
286# define EV_PID_HASHSIZE 16
287# endif
288#endif 312#endif
289 313
290#ifndef EV_INOTIFY_HASHSIZE 314#ifndef EV_INOTIFY_HASHSIZE
291# if EV_MINIMAL 315# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
292# define EV_INOTIFY_HASHSIZE 1
293# else
294# define EV_INOTIFY_HASHSIZE 16
295# endif
296#endif 316#endif
297 317
298#ifndef EV_USE_EVENTFD 318#ifndef EV_USE_EVENTFD
299# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 319# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
300# define EV_USE_EVENTFD 1 320# define EV_USE_EVENTFD EV_FEATURE_OS
301# else 321# else
302# define EV_USE_EVENTFD 0 322# define EV_USE_EVENTFD 0
303# endif 323# endif
304#endif 324#endif
305 325
306#ifndef EV_USE_SIGNALFD 326#ifndef EV_USE_SIGNALFD
307# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) 327# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
308# define EV_USE_SIGNALFD 1 328# define EV_USE_SIGNALFD EV_FEATURE_OS
309# else 329# else
310# define EV_USE_SIGNALFD 0 330# define EV_USE_SIGNALFD 0
311# endif 331# endif
312#endif 332#endif
313 333
… …
316# define EV_USE_4HEAP 1 336# define EV_USE_4HEAP 1
317# define EV_HEAP_CACHE_AT 1 337# define EV_HEAP_CACHE_AT 1
318#endif 338#endif
319 339
320#ifndef EV_VERIFY 340#ifndef EV_VERIFY
321# define EV_VERIFY !EV_MINIMAL 341# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
322#endif 342#endif
323 343
324#ifndef EV_USE_4HEAP 344#ifndef EV_USE_4HEAP
325# define EV_USE_4HEAP !EV_MINIMAL 345# define EV_USE_4HEAP EV_FEATURE_DATA
326#endif 346#endif
327 347
328#ifndef EV_HEAP_CACHE_AT 348#ifndef EV_HEAP_CACHE_AT
329# define EV_HEAP_CACHE_AT !EV_MINIMAL 349# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
330#endif 350#endif
331 351
332/* 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, */
333/* which makes programs even slower. might work on other unices, too. */ 353/* which makes programs even slower. might work on other unices, too. */
334#if EV_USE_CLOCK_SYSCALL 354#if EV_USE_CLOCK_SYSCALL
… …
343# endif 363# endif
344#endif 364#endif
345 365
346/* this block fixes any misconfiguration where we know we run into trouble otherwise */ 366/* this block fixes any misconfiguration where we know we run into trouble otherwise */
347 367
368#ifdef _AIX
369/* AIX has a completely broken poll.h header */
370# undef EV_USE_POLL
371# define EV_USE_POLL 0
372#endif
373
348#ifndef CLOCK_MONOTONIC 374#ifndef CLOCK_MONOTONIC
349# undef EV_USE_MONOTONIC 375# undef EV_USE_MONOTONIC
350# define EV_USE_MONOTONIC 0 376# define EV_USE_MONOTONIC 0
351#endif 377#endif
352 378
… …
359# undef EV_USE_INOTIFY 385# undef EV_USE_INOTIFY
360# define EV_USE_INOTIFY 0 386# define EV_USE_INOTIFY 0
361#endif 387#endif
362 388
363#if !EV_USE_NANOSLEEP 389#if !EV_USE_NANOSLEEP
364# ifndef _WIN32 390/* hp-ux has it in sys/time.h, which we unconditionally include above */
391# if !defined(_WIN32) && !defined(__hpux)
365# include <sys/select.h> 392# include <sys/select.h>
366# endif 393# endif
367#endif 394#endif
368 395
369#if EV_USE_INOTIFY 396#if EV_USE_INOTIFY
370# include <sys/utsname.h>
371# include <sys/statfs.h> 397# include <sys/statfs.h>
372# include <sys/inotify.h> 398# include <sys/inotify.h>
373/* 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 */
374# ifndef IN_DONT_FOLLOW 400# ifndef IN_DONT_FOLLOW
375# undef EV_USE_INOTIFY 401# undef EV_USE_INOTIFY
… …
386# include <stdint.h> 412# include <stdint.h>
387# ifndef EFD_NONBLOCK 413# ifndef EFD_NONBLOCK
388# define EFD_NONBLOCK O_NONBLOCK 414# define EFD_NONBLOCK O_NONBLOCK
389# endif 415# endif
390# ifndef EFD_CLOEXEC 416# ifndef EFD_CLOEXEC
417# ifdef O_CLOEXEC
391# define EFD_CLOEXEC O_CLOEXEC 418# define EFD_CLOEXEC O_CLOEXEC
419# else
420# define EFD_CLOEXEC 02000000
421# endif
392# endif 422# endif
393# ifdef __cplusplus 423EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
394extern "C" { 424#endif
425
426#if EV_USE_SIGNALFD
427/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
428# include <stdint.h>
429# ifndef SFD_NONBLOCK
430# define SFD_NONBLOCK O_NONBLOCK
395# endif 431# endif
396int eventfd (unsigned int initval, int flags); 432# ifndef SFD_CLOEXEC
397# ifdef __cplusplus 433# ifdef O_CLOEXEC
398} 434# define SFD_CLOEXEC O_CLOEXEC
435# else
436# define SFD_CLOEXEC 02000000
437# endif
399# endif 438# endif
400#endif 439EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
401 440
402#if EV_USE_SIGNALFD 441struct signalfd_siginfo
403# include <sys/signalfd.h> 442{
443 uint32_t ssi_signo;
444 char pad[128 - sizeof (uint32_t)];
445};
404#endif 446#endif
405 447
406/**/ 448/**/
407 449
408#if EV_VERIFY >= 3 450#if EV_VERIFY >= 3
409# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 451# define EV_FREQUENT_CHECK ev_verify (EV_A)
410#else 452#else
411# define EV_FREQUENT_CHECK do { } while (0) 453# define EV_FREQUENT_CHECK do { } while (0)
412#endif 454#endif
413 455
414/* 456/*
415 * This is used to avoid floating point rounding problems. 457 * This is used to work around floating point rounding problems.
416 * It is added to ev_rt_now when scheduling periodics
417 * to ensure progress, time-wise, even when rounding
418 * errors are against us.
419 * This value is good at least till the year 4000. 458 * This value is good at least till the year 4000.
420 * Better solutions welcome.
421 */ 459 */
422#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 */
423 462
424#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) */
425#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) */
426/*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */
427 465
428#if __GNUC__ >= 4 466#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
429# define expect(expr,value) __builtin_expect ((expr),(value)) 467#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
430# define noinline __attribute__ ((noinline)) 468
469/* the following are taken from libecb */
470/* ecb.h start */
471
472/* many compilers define _GNUC_ to some versions but then only implement
473 * what their idiot authors think are the "more important" extensions,
474 * causing enourmous grief in return for some better fake benchmark numbers.
475 * or so.
476 * we try to detect these and simply assume they are not gcc - if they have
477 * an issue with that they should have done it right in the first place.
478 */
479#ifndef ECB_GCC_VERSION
480 #if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)
481 #define ECB_GCC_VERSION(major,minor) 0
482 #else
483 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
484 #endif
485#endif
486
487#if __cplusplus
488 #define ecb_inline static inline
489#elif ECB_GCC_VERSION(2,5)
490 #define ecb_inline static __inline__
491#elif ECB_C99
492 #define ecb_inline static inline
431#else 493#else
432# define expect(expr,value) (expr) 494 #define ecb_inline static
433# define noinline
434# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
435# define inline
436# endif 495#endif
437#endif
438 496
497#if ECB_GCC_VERSION(3,1)
498 #define ecb_attribute(attrlist) __attribute__(attrlist)
499 #define ecb_is_constant(expr) __builtin_constant_p (expr)
500 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
501 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
502#else
503 #define ecb_attribute(attrlist)
504 #define ecb_is_constant(expr) 0
505 #define ecb_expect(expr,value) (expr)
506 #define ecb_prefetch(addr,rw,locality)
507#endif
508
509#define ecb_noinline ecb_attribute ((__noinline__))
510#define ecb_noreturn ecb_attribute ((__noreturn__))
511#define ecb_unused ecb_attribute ((__unused__))
512#define ecb_const ecb_attribute ((__const__))
513#define ecb_pure ecb_attribute ((__pure__))
514
515#if ECB_GCC_VERSION(4,3)
516 #define ecb_artificial ecb_attribute ((__artificial__))
517 #define ecb_hot ecb_attribute ((__hot__))
518 #define ecb_cold ecb_attribute ((__cold__))
519#else
520 #define ecb_artificial
521 #define ecb_hot
522 #define ecb_cold
523#endif
524
525/* put around conditional expressions if you are very sure that the */
526/* expression is mostly true or mostly false. note that these return */
527/* booleans, not the expression. */
439#define expect_false(expr) expect ((expr) != 0, 0) 528#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
440#define expect_true(expr) expect ((expr) != 0, 1) 529#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
530/* ecb.h end */
531
532#define expect_false(cond) ecb_expect_false (cond)
533#define expect_true(cond) ecb_expect_true (cond)
534#define noinline ecb_noinline
535
441#define inline_size static inline 536#define inline_size ecb_inline
442 537
443#if EV_MINIMAL 538#if EV_FEATURE_CODE
539# define inline_speed ecb_inline
540#else
444# define inline_speed static noinline 541# define inline_speed static noinline
445#else
446# define inline_speed static inline
447#endif 542#endif
448 543
449#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 544#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
450 545
451#if EV_MINPRI == EV_MAXPRI 546#if EV_MINPRI == EV_MAXPRI
… …
464#define ev_active(w) ((W)(w))->active 559#define ev_active(w) ((W)(w))->active
465#define ev_at(w) ((WT)(w))->at 560#define ev_at(w) ((WT)(w))->at
466 561
467#if EV_USE_REALTIME 562#if EV_USE_REALTIME
468/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 563/* sig_atomic_t is used to avoid per-thread variables or locking but still */
469/* giving it a reasonably high chance of working on typical architetcures */ 564/* giving it a reasonably high chance of working on typical architectures */
470static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 565static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
471#endif 566#endif
472 567
473#if EV_USE_MONOTONIC 568#if EV_USE_MONOTONIC
474static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 569static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
475#endif 570#endif
476 571
572#ifndef EV_FD_TO_WIN32_HANDLE
573# define EV_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd)
574#endif
575#ifndef EV_WIN32_HANDLE_TO_FD
576# define EV_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0)
577#endif
578#ifndef EV_WIN32_CLOSE_FD
579# define EV_WIN32_CLOSE_FD(fd) close (fd)
580#endif
581
477#ifdef _WIN32 582#ifdef _WIN32
478# include "ev_win32.c" 583# include "ev_win32.c"
479#endif 584#endif
480 585
481/*****************************************************************************/ 586/*****************************************************************************/
482 587
588/* define a suitable floor function (only used by periodics atm) */
589
590#if EV_USE_FLOOR
591# include <math.h>
592# define ev_floor(v) floor (v)
593#else
594
595#include <float.h>
596
597/* a floor() replacement function, should be independent of ev_tstamp type */
598static ev_tstamp noinline
599ev_floor (ev_tstamp v)
600{
601 /* the choice of shift factor is not terribly important */
602#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
603 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
604#else
605 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
606#endif
607
608 /* argument too large for an unsigned long? */
609 if (expect_false (v >= shift))
610 {
611 ev_tstamp f;
612
613 if (v == v - 1.)
614 return v; /* very large number */
615
616 f = shift * ev_floor (v * (1. / shift));
617 return f + ev_floor (v - f);
618 }
619
620 /* special treatment for negative args? */
621 if (expect_false (v < 0.))
622 {
623 ev_tstamp f = -ev_floor (-v);
624
625 return f - (f == v ? 0 : 1);
626 }
627
628 /* fits into an unsigned long */
629 return (unsigned long)v;
630}
631
632#endif
633
634/*****************************************************************************/
635
636#ifdef __linux
637# include <sys/utsname.h>
638#endif
639
640static unsigned int noinline ecb_cold
641ev_linux_version (void)
642{
643#ifdef __linux
644 unsigned int v = 0;
645 struct utsname buf;
646 int i;
647 char *p = buf.release;
648
649 if (uname (&buf))
650 return 0;
651
652 for (i = 3+1; --i; )
653 {
654 unsigned int c = 0;
655
656 for (;;)
657 {
658 if (*p >= '0' && *p <= '9')
659 c = c * 10 + *p++ - '0';
660 else
661 {
662 p += *p == '.';
663 break;
664 }
665 }
666
667 v = (v << 8) | c;
668 }
669
670 return v;
671#else
672 return 0;
673#endif
674}
675
676/*****************************************************************************/
677
678#if EV_AVOID_STDIO
679static void noinline ecb_cold
680ev_printerr (const char *msg)
681{
682 write (STDERR_FILENO, msg, strlen (msg));
683}
684#endif
685
483static void (*syserr_cb)(const char *msg); 686static void (*syserr_cb)(const char *msg);
484 687
485void 688void ecb_cold
486ev_set_syserr_cb (void (*cb)(const char *msg)) 689ev_set_syserr_cb (void (*cb)(const char *msg))
487{ 690{
488 syserr_cb = cb; 691 syserr_cb = cb;
489} 692}
490 693
491static void noinline 694static void noinline ecb_cold
492ev_syserr (const char *msg) 695ev_syserr (const char *msg)
493{ 696{
494 if (!msg) 697 if (!msg)
495 msg = "(libev) system error"; 698 msg = "(libev) system error";
496 699
497 if (syserr_cb) 700 if (syserr_cb)
498 syserr_cb (msg); 701 syserr_cb (msg);
499 else 702 else
500 { 703 {
704#if EV_AVOID_STDIO
705 ev_printerr (msg);
706 ev_printerr (": ");
707 ev_printerr (strerror (errno));
708 ev_printerr ("\n");
709#else
501 perror (msg); 710 perror (msg);
711#endif
502 abort (); 712 abort ();
503 } 713 }
504} 714}
505 715
506static void * 716static void *
507ev_realloc_emul (void *ptr, long size) 717ev_realloc_emul (void *ptr, long size)
508{ 718{
719#if __GLIBC__
720 return realloc (ptr, size);
721#else
509 /* some systems, notably openbsd and darwin, fail to properly 722 /* some systems, notably openbsd and darwin, fail to properly
510 * implement realloc (x, 0) (as required by both ansi c-98 and 723 * implement realloc (x, 0) (as required by both ansi c-89 and
511 * the single unix specification, so work around them here. 724 * the single unix specification, so work around them here.
512 */ 725 */
513 726
514 if (size) 727 if (size)
515 return realloc (ptr, size); 728 return realloc (ptr, size);
516 729
517 free (ptr); 730 free (ptr);
518 return 0; 731 return 0;
732#endif
519} 733}
520 734
521static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 735static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
522 736
523void 737void ecb_cold
524ev_set_allocator (void *(*cb)(void *ptr, long size)) 738ev_set_allocator (void *(*cb)(void *ptr, long size))
525{ 739{
526 alloc = cb; 740 alloc = cb;
527} 741}
528 742
… …
531{ 745{
532 ptr = alloc (ptr, size); 746 ptr = alloc (ptr, size);
533 747
534 if (!ptr && size) 748 if (!ptr && size)
535 { 749 {
750#if EV_AVOID_STDIO
751 ev_printerr ("(libev) memory allocation failed, aborting.\n");
752#else
536 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 753 fprintf (stderr, "(libev) cannot allocate %ld bytes, aborting.", size);
754#endif
537 abort (); 755 abort ();
538 } 756 }
539 757
540 return ptr; 758 return ptr;
541} 759}
… …
557 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 775 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
558 unsigned char unused; 776 unsigned char unused;
559#if EV_USE_EPOLL 777#if EV_USE_EPOLL
560 unsigned int egen; /* generation counter to counter epoll bugs */ 778 unsigned int egen; /* generation counter to counter epoll bugs */
561#endif 779#endif
562#if EV_SELECT_IS_WINSOCKET 780#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
563 SOCKET handle; 781 SOCKET handle;
782#endif
783#if EV_USE_IOCP
784 OVERLAPPED or, ow;
564#endif 785#endif
565} ANFD; 786} ANFD;
566 787
567/* stores the pending event set for a given watcher */ 788/* stores the pending event set for a given watcher */
568typedef struct 789typedef struct
… …
623 844
624 static int ev_default_loop_ptr; 845 static int ev_default_loop_ptr;
625 846
626#endif 847#endif
627 848
628#if EV_MINIMAL < 2 849#if EV_FEATURE_API
629# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 850# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
630# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 851# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
631# define EV_INVOKE_PENDING invoke_cb (EV_A) 852# define EV_INVOKE_PENDING invoke_cb (EV_A)
632#else 853#else
633# define EV_RELEASE_CB (void)0 854# define EV_RELEASE_CB (void)0
634# define EV_ACQUIRE_CB (void)0 855# define EV_ACQUIRE_CB (void)0
635# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 856# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
636#endif 857#endif
637 858
638#define EVUNLOOP_RECURSE 0x80 859#define EVBREAK_RECURSE 0x80
639 860
640/*****************************************************************************/ 861/*****************************************************************************/
641 862
642#ifndef EV_HAVE_EV_TIME 863#ifndef EV_HAVE_EV_TIME
643ev_tstamp 864ev_tstamp
… …
687 if (delay > 0.) 908 if (delay > 0.)
688 { 909 {
689#if EV_USE_NANOSLEEP 910#if EV_USE_NANOSLEEP
690 struct timespec ts; 911 struct timespec ts;
691 912
692 ts.tv_sec = (time_t)delay; 913 EV_TS_SET (ts, delay);
693 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
694
695 nanosleep (&ts, 0); 914 nanosleep (&ts, 0);
696#elif defined(_WIN32) 915#elif defined(_WIN32)
697 Sleep ((unsigned long)(delay * 1e3)); 916 Sleep ((unsigned long)(delay * 1e3));
698#else 917#else
699 struct timeval tv; 918 struct timeval tv;
700 919
701 tv.tv_sec = (time_t)delay;
702 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
703
704 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 920 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
705 /* something not guaranteed by newer posix versions, but guaranteed */ 921 /* something not guaranteed by newer posix versions, but guaranteed */
706 /* by older ones */ 922 /* by older ones */
923 EV_TV_SET (tv, delay);
707 select (0, 0, 0, 0, &tv); 924 select (0, 0, 0, 0, &tv);
708#endif 925#endif
709 } 926 }
710} 927}
711 928
712/*****************************************************************************/ 929/*****************************************************************************/
713 930
714#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 931#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
715 932
716/* find a suitable new size for the given array, */ 933/* find a suitable new size for the given array, */
717/* hopefully by rounding to a ncie-to-malloc size */ 934/* hopefully by rounding to a nice-to-malloc size */
718inline_size int 935inline_size int
719array_nextsize (int elem, int cur, int cnt) 936array_nextsize (int elem, int cur, int cnt)
720{ 937{
721 int ncur = cur + 1; 938 int ncur = cur + 1;
722 939
… …
734 } 951 }
735 952
736 return ncur; 953 return ncur;
737} 954}
738 955
739static noinline void * 956static void * noinline ecb_cold
740array_realloc (int elem, void *base, int *cur, int cnt) 957array_realloc (int elem, void *base, int *cur, int cnt)
741{ 958{
742 *cur = array_nextsize (elem, *cur, cnt); 959 *cur = array_nextsize (elem, *cur, cnt);
743 return ev_realloc (base, elem * *cur); 960 return ev_realloc (base, elem * *cur);
744} 961}
… …
747 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 964 memset ((void *)(base), 0, sizeof (*(base)) * (count))
748 965
749#define array_needsize(type,base,cur,cnt,init) \ 966#define array_needsize(type,base,cur,cnt,init) \
750 if (expect_false ((cnt) > (cur))) \ 967 if (expect_false ((cnt) > (cur))) \
751 { \ 968 { \
752 int ocur_ = (cur); \ 969 int ecb_unused ocur_ = (cur); \
753 (base) = (type *)array_realloc \ 970 (base) = (type *)array_realloc \
754 (sizeof (type), (base), &(cur), (cnt)); \ 971 (sizeof (type), (base), &(cur), (cnt)); \
755 init ((base) + (ocur_), (cur) - ocur_); \ 972 init ((base) + (ocur_), (cur) - ocur_); \
756 } 973 }
757 974
… …
818} 1035}
819 1036
820/*****************************************************************************/ 1037/*****************************************************************************/
821 1038
822inline_speed void 1039inline_speed void
823fd_event_nc (EV_P_ int fd, int revents) 1040fd_event_nocheck (EV_P_ int fd, int revents)
824{ 1041{
825 ANFD *anfd = anfds + fd; 1042 ANFD *anfd = anfds + fd;
826 ev_io *w; 1043 ev_io *w;
827 1044
828 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1045 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
… …
840fd_event (EV_P_ int fd, int revents) 1057fd_event (EV_P_ int fd, int revents)
841{ 1058{
842 ANFD *anfd = anfds + fd; 1059 ANFD *anfd = anfds + fd;
843 1060
844 if (expect_true (!anfd->reify)) 1061 if (expect_true (!anfd->reify))
845 fd_event_nc (EV_A_ fd, revents); 1062 fd_event_nocheck (EV_A_ fd, revents);
846} 1063}
847 1064
848void 1065void
849ev_feed_fd_event (EV_P_ int fd, int revents) 1066ev_feed_fd_event (EV_P_ int fd, int revents)
850{ 1067{
851 if (fd >= 0 && fd < anfdmax) 1068 if (fd >= 0 && fd < anfdmax)
852 fd_event_nc (EV_A_ fd, revents); 1069 fd_event_nocheck (EV_A_ fd, revents);
853} 1070}
854 1071
855/* make sure the external fd watch events are in-sync */ 1072/* make sure the external fd watch events are in-sync */
856/* with the kernel/libev internal state */ 1073/* with the kernel/libev internal state */
857inline_size void 1074inline_size void
858fd_reify (EV_P) 1075fd_reify (EV_P)
859{ 1076{
860 int i; 1077 int i;
861 1078
1079#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1080 for (i = 0; i < fdchangecnt; ++i)
1081 {
1082 int fd = fdchanges [i];
1083 ANFD *anfd = anfds + fd;
1084
1085 if (anfd->reify & EV__IOFDSET && anfd->head)
1086 {
1087 SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
1088
1089 if (handle != anfd->handle)
1090 {
1091 unsigned long arg;
1092
1093 assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
1094
1095 /* handle changed, but fd didn't - we need to do it in two steps */
1096 backend_modify (EV_A_ fd, anfd->events, 0);
1097 anfd->events = 0;
1098 anfd->handle = handle;
1099 }
1100 }
1101 }
1102#endif
1103
862 for (i = 0; i < fdchangecnt; ++i) 1104 for (i = 0; i < fdchangecnt; ++i)
863 { 1105 {
864 int fd = fdchanges [i]; 1106 int fd = fdchanges [i];
865 ANFD *anfd = anfds + fd; 1107 ANFD *anfd = anfds + fd;
866 ev_io *w; 1108 ev_io *w;
867 1109
868 unsigned char events = 0; 1110 unsigned char o_events = anfd->events;
1111 unsigned char o_reify = anfd->reify;
869 1112
870 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 1113 anfd->reify = 0;
871 events |= (unsigned char)w->events;
872 1114
873#if EV_SELECT_IS_WINSOCKET 1115 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
874 if (events)
875 { 1116 {
876 unsigned long arg; 1117 anfd->events = 0;
877 #ifdef EV_FD_TO_WIN32_HANDLE 1118
878 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 1119 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
879 #else 1120 anfd->events |= (unsigned char)w->events;
880 anfd->handle = _get_osfhandle (fd); 1121
881 #endif 1122 if (o_events != anfd->events)
882 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 1123 o_reify = EV__IOFDSET; /* actually |= */
883 } 1124 }
884#endif
885 1125
886 { 1126 if (o_reify & EV__IOFDSET)
887 unsigned char o_events = anfd->events;
888 unsigned char o_reify = anfd->reify;
889
890 anfd->reify = 0;
891 anfd->events = events;
892
893 if (o_events != events || o_reify & EV__IOFDSET)
894 backend_modify (EV_A_ fd, o_events, events); 1127 backend_modify (EV_A_ fd, o_events, anfd->events);
895 }
896 } 1128 }
897 1129
898 fdchangecnt = 0; 1130 fdchangecnt = 0;
899} 1131}
900 1132
… …
912 fdchanges [fdchangecnt - 1] = fd; 1144 fdchanges [fdchangecnt - 1] = fd;
913 } 1145 }
914} 1146}
915 1147
916/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 1148/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
917inline_speed void 1149inline_speed void ecb_cold
918fd_kill (EV_P_ int fd) 1150fd_kill (EV_P_ int fd)
919{ 1151{
920 ev_io *w; 1152 ev_io *w;
921 1153
922 while ((w = (ev_io *)anfds [fd].head)) 1154 while ((w = (ev_io *)anfds [fd].head))
… …
924 ev_io_stop (EV_A_ w); 1156 ev_io_stop (EV_A_ w);
925 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1157 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
926 } 1158 }
927} 1159}
928 1160
929/* check whether the given fd is atcually valid, for error recovery */ 1161/* check whether the given fd is actually valid, for error recovery */
930inline_size int 1162inline_size int ecb_cold
931fd_valid (int fd) 1163fd_valid (int fd)
932{ 1164{
933#ifdef _WIN32 1165#ifdef _WIN32
934 return _get_osfhandle (fd) != -1; 1166 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
935#else 1167#else
936 return fcntl (fd, F_GETFD) != -1; 1168 return fcntl (fd, F_GETFD) != -1;
937#endif 1169#endif
938} 1170}
939 1171
940/* called on EBADF to verify fds */ 1172/* called on EBADF to verify fds */
941static void noinline 1173static void noinline ecb_cold
942fd_ebadf (EV_P) 1174fd_ebadf (EV_P)
943{ 1175{
944 int fd; 1176 int fd;
945 1177
946 for (fd = 0; fd < anfdmax; ++fd) 1178 for (fd = 0; fd < anfdmax; ++fd)
… …
948 if (!fd_valid (fd) && errno == EBADF) 1180 if (!fd_valid (fd) && errno == EBADF)
949 fd_kill (EV_A_ fd); 1181 fd_kill (EV_A_ fd);
950} 1182}
951 1183
952/* called on ENOMEM in select/poll to kill some fds and retry */ 1184/* called on ENOMEM in select/poll to kill some fds and retry */
953static void noinline 1185static void noinline ecb_cold
954fd_enomem (EV_P) 1186fd_enomem (EV_P)
955{ 1187{
956 int fd; 1188 int fd;
957 1189
958 for (fd = anfdmax; fd--; ) 1190 for (fd = anfdmax; fd--; )
… …
976 anfds [fd].emask = 0; 1208 anfds [fd].emask = 0;
977 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1209 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
978 } 1210 }
979} 1211}
980 1212
1213/* used to prepare libev internal fd's */
1214/* this is not fork-safe */
1215inline_speed void
1216fd_intern (int fd)
1217{
1218#ifdef _WIN32
1219 unsigned long arg = 1;
1220 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1221#else
1222 fcntl (fd, F_SETFD, FD_CLOEXEC);
1223 fcntl (fd, F_SETFL, O_NONBLOCK);
1224#endif
1225}
1226
981/*****************************************************************************/ 1227/*****************************************************************************/
982 1228
983/* 1229/*
984 * the heap functions want a real array index. array index 0 uis guaranteed to not 1230 * the heap functions want a real array index. array index 0 is guaranteed to not
985 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives 1231 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
986 * the branching factor of the d-tree. 1232 * the branching factor of the d-tree.
987 */ 1233 */
988 1234
989/* 1235/*
… …
1057 1303
1058 for (;;) 1304 for (;;)
1059 { 1305 {
1060 int c = k << 1; 1306 int c = k << 1;
1061 1307
1062 if (c > N + HEAP0 - 1) 1308 if (c >= N + HEAP0)
1063 break; 1309 break;
1064 1310
1065 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1]) 1311 c += c + 1 < N + HEAP0 && ANHE_at (heap [c]) > ANHE_at (heap [c + 1])
1066 ? 1 : 0; 1312 ? 1 : 0;
1067 1313
… …
1103 1349
1104/* move an element suitably so it is in a correct place */ 1350/* move an element suitably so it is in a correct place */
1105inline_size void 1351inline_size void
1106adjustheap (ANHE *heap, int N, int k) 1352adjustheap (ANHE *heap, int N, int k)
1107{ 1353{
1108 if (k > HEAP0 && ANHE_at (heap [HPARENT (k)]) >= ANHE_at (heap [k])) 1354 if (k > HEAP0 && ANHE_at (heap [k]) <= ANHE_at (heap [HPARENT (k)]))
1109 upheap (heap, k); 1355 upheap (heap, k);
1110 else 1356 else
1111 downheap (heap, N, k); 1357 downheap (heap, N, k);
1112} 1358}
1113 1359
… …
1137 1383
1138static ANSIG signals [EV_NSIG - 1]; 1384static ANSIG signals [EV_NSIG - 1];
1139 1385
1140/*****************************************************************************/ 1386/*****************************************************************************/
1141 1387
1142/* used to prepare libev internal fd's */ 1388#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1143/* this is not fork-safe */
1144inline_speed void
1145fd_intern (int fd)
1146{
1147#ifdef _WIN32
1148 unsigned long arg = 1;
1149 ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg);
1150#else
1151 fcntl (fd, F_SETFD, FD_CLOEXEC);
1152 fcntl (fd, F_SETFL, O_NONBLOCK);
1153#endif
1154}
1155 1389
1156static void noinline 1390static void noinline ecb_cold
1157evpipe_init (EV_P) 1391evpipe_init (EV_P)
1158{ 1392{
1159 if (!ev_is_active (&pipe_w)) 1393 if (!ev_is_active (&pipe_w))
1160 { 1394 {
1161#if EV_USE_EVENTFD 1395# if EV_USE_EVENTFD
1162 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1396 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1163 if (evfd < 0 && errno == EINVAL) 1397 if (evfd < 0 && errno == EINVAL)
1164 evfd = eventfd (0, 0); 1398 evfd = eventfd (0, 0);
1165 1399
1166 if (evfd >= 0) 1400 if (evfd >= 0)
… …
1168 evpipe [0] = -1; 1402 evpipe [0] = -1;
1169 fd_intern (evfd); /* doing it twice doesn't hurt */ 1403 fd_intern (evfd); /* doing it twice doesn't hurt */
1170 ev_io_set (&pipe_w, evfd, EV_READ); 1404 ev_io_set (&pipe_w, evfd, EV_READ);
1171 } 1405 }
1172 else 1406 else
1173#endif 1407# endif
1174 { 1408 {
1175 while (pipe (evpipe)) 1409 while (pipe (evpipe))
1176 ev_syserr ("(libev) error creating signal/async pipe"); 1410 ev_syserr ("(libev) error creating signal/async pipe");
1177 1411
1178 fd_intern (evpipe [0]); 1412 fd_intern (evpipe [0]);
… …
1183 ev_io_start (EV_A_ &pipe_w); 1417 ev_io_start (EV_A_ &pipe_w);
1184 ev_unref (EV_A); /* watcher should not keep loop alive */ 1418 ev_unref (EV_A); /* watcher should not keep loop alive */
1185 } 1419 }
1186} 1420}
1187 1421
1188inline_size void 1422inline_speed void
1189evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1423evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1190{ 1424{
1191 if (!*flag) 1425 if (!*flag)
1192 { 1426 {
1193 int old_errno = errno; /* save errno because write might clobber it */
1194
1195 *flag = 1; 1427 *flag = 1;
1196 1428
1429 pipe_write_skipped = 1;
1430
1431 if (pipe_write_wanted)
1432 {
1433 int old_errno;
1434
1435 pipe_write_skipped = 0;
1436
1437 old_errno = errno; /* save errno because write will clobber it */
1438
1197#if EV_USE_EVENTFD 1439#if EV_USE_EVENTFD
1198 if (evfd >= 0) 1440 if (evfd >= 0)
1199 { 1441 {
1200 uint64_t counter = 1; 1442 uint64_t counter = 1;
1201 write (evfd, &counter, sizeof (uint64_t)); 1443 write (evfd, &counter, sizeof (uint64_t));
1444 }
1445 else
1446#endif
1447 {
1448 /* win32 people keep sending patches that change this write() to send() */
1449 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1450 /* so when you think this write should be a send instead, please find out */
1451 /* where your send() is from - it's definitely not the microsoft send, and */
1452 /* tell me. thank you. */
1453 write (evpipe [1], &(evpipe [1]), 1);
1454 }
1455
1456 errno = old_errno;
1202 } 1457 }
1203 else
1204#endif
1205 write (evpipe [1], &old_errno, 1);
1206
1207 errno = old_errno;
1208 } 1458 }
1209} 1459}
1210 1460
1211/* called whenever the libev signal pipe */ 1461/* called whenever the libev signal pipe */
1212/* got some events (signal, async) */ 1462/* got some events (signal, async) */
1213static void 1463static void
1214pipecb (EV_P_ ev_io *iow, int revents) 1464pipecb (EV_P_ ev_io *iow, int revents)
1215{ 1465{
1216 int i; 1466 int i;
1217 1467
1468 if (revents & EV_READ)
1469 {
1218#if EV_USE_EVENTFD 1470#if EV_USE_EVENTFD
1219 if (evfd >= 0) 1471 if (evfd >= 0)
1220 { 1472 {
1221 uint64_t counter; 1473 uint64_t counter;
1222 read (evfd, &counter, sizeof (uint64_t)); 1474 read (evfd, &counter, sizeof (uint64_t));
1223 } 1475 }
1224 else 1476 else
1225#endif 1477#endif
1226 { 1478 {
1227 char dummy; 1479 char dummy;
1480 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1228 read (evpipe [0], &dummy, 1); 1481 read (evpipe [0], &dummy, 1);
1482 }
1229 } 1483 }
1230 1484
1485 pipe_write_skipped = 0;
1486
1487#if EV_SIGNAL_ENABLE
1231 if (sig_pending) 1488 if (sig_pending)
1232 { 1489 {
1233 sig_pending = 0; 1490 sig_pending = 0;
1234 1491
1235 for (i = EV_NSIG - 1; i--; ) 1492 for (i = EV_NSIG - 1; i--; )
1236 if (expect_false (signals [i].pending)) 1493 if (expect_false (signals [i].pending))
1237 ev_feed_signal_event (EV_A_ i + 1); 1494 ev_feed_signal_event (EV_A_ i + 1);
1238 } 1495 }
1496#endif
1239 1497
1240#if EV_ASYNC_ENABLE 1498#if EV_ASYNC_ENABLE
1241 if (async_pending) 1499 if (async_pending)
1242 { 1500 {
1243 async_pending = 0; 1501 async_pending = 0;
… …
1252#endif 1510#endif
1253} 1511}
1254 1512
1255/*****************************************************************************/ 1513/*****************************************************************************/
1256 1514
1515void
1516ev_feed_signal (int signum)
1517{
1518#if EV_MULTIPLICITY
1519 EV_P = signals [signum - 1].loop;
1520
1521 if (!EV_A)
1522 return;
1523#endif
1524
1525 if (!ev_active (&pipe_w))
1526 return;
1527
1528 signals [signum - 1].pending = 1;
1529 evpipe_write (EV_A_ &sig_pending);
1530}
1531
1257static void 1532static void
1258ev_sighandler (int signum) 1533ev_sighandler (int signum)
1259{ 1534{
1260#if EV_MULTIPLICITY
1261 EV_P = signals [signum - 1].loop;
1262#endif
1263
1264#if _WIN32 1535#ifdef _WIN32
1265 signal (signum, ev_sighandler); 1536 signal (signum, ev_sighandler);
1266#endif 1537#endif
1267 1538
1268 signals [signum - 1].pending = 1; 1539 ev_feed_signal (signum);
1269 evpipe_write (EV_A_ &sig_pending);
1270} 1540}
1271 1541
1272void noinline 1542void noinline
1273ev_feed_signal_event (EV_P_ int signum) 1543ev_feed_signal_event (EV_P_ int signum)
1274{ 1544{
… …
1311 break; 1581 break;
1312 } 1582 }
1313} 1583}
1314#endif 1584#endif
1315 1585
1586#endif
1587
1316/*****************************************************************************/ 1588/*****************************************************************************/
1317 1589
1590#if EV_CHILD_ENABLE
1318static WL childs [EV_PID_HASHSIZE]; 1591static WL childs [EV_PID_HASHSIZE];
1319
1320#ifndef _WIN32
1321 1592
1322static ev_signal childev; 1593static ev_signal childev;
1323 1594
1324#ifndef WIFCONTINUED 1595#ifndef WIFCONTINUED
1325# define WIFCONTINUED(status) 0 1596# define WIFCONTINUED(status) 0
… …
1330child_reap (EV_P_ int chain, int pid, int status) 1601child_reap (EV_P_ int chain, int pid, int status)
1331{ 1602{
1332 ev_child *w; 1603 ev_child *w;
1333 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1604 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1334 1605
1335 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1606 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1336 { 1607 {
1337 if ((w->pid == pid || !w->pid) 1608 if ((w->pid == pid || !w->pid)
1338 && (!traced || (w->flags & 1))) 1609 && (!traced || (w->flags & 1)))
1339 { 1610 {
1340 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1611 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
… …
1365 /* make sure we are called again until all children have been reaped */ 1636 /* make sure we are called again until all children have been reaped */
1366 /* we need to do it this way so that the callback gets called before we continue */ 1637 /* we need to do it this way so that the callback gets called before we continue */
1367 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1638 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1368 1639
1369 child_reap (EV_A_ pid, pid, status); 1640 child_reap (EV_A_ pid, pid, status);
1370 if (EV_PID_HASHSIZE > 1) 1641 if ((EV_PID_HASHSIZE) > 1)
1371 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1642 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1372} 1643}
1373 1644
1374#endif 1645#endif
1375 1646
1376/*****************************************************************************/ 1647/*****************************************************************************/
1377 1648
1649#if EV_USE_IOCP
1650# include "ev_iocp.c"
1651#endif
1378#if EV_USE_PORT 1652#if EV_USE_PORT
1379# include "ev_port.c" 1653# include "ev_port.c"
1380#endif 1654#endif
1381#if EV_USE_KQUEUE 1655#if EV_USE_KQUEUE
1382# include "ev_kqueue.c" 1656# include "ev_kqueue.c"
… …
1389#endif 1663#endif
1390#if EV_USE_SELECT 1664#if EV_USE_SELECT
1391# include "ev_select.c" 1665# include "ev_select.c"
1392#endif 1666#endif
1393 1667
1394int 1668int ecb_cold
1395ev_version_major (void) 1669ev_version_major (void)
1396{ 1670{
1397 return EV_VERSION_MAJOR; 1671 return EV_VERSION_MAJOR;
1398} 1672}
1399 1673
1400int 1674int ecb_cold
1401ev_version_minor (void) 1675ev_version_minor (void)
1402{ 1676{
1403 return EV_VERSION_MINOR; 1677 return EV_VERSION_MINOR;
1404} 1678}
1405 1679
1406/* return true if we are running with elevated privileges and should ignore env variables */ 1680/* return true if we are running with elevated privileges and should ignore env variables */
1407int inline_size 1681int inline_size ecb_cold
1408enable_secure (void) 1682enable_secure (void)
1409{ 1683{
1410#ifdef _WIN32 1684#ifdef _WIN32
1411 return 0; 1685 return 0;
1412#else 1686#else
1413 return getuid () != geteuid () 1687 return getuid () != geteuid ()
1414 || getgid () != getegid (); 1688 || getgid () != getegid ();
1415#endif 1689#endif
1416} 1690}
1417 1691
1418unsigned int 1692unsigned int ecb_cold
1419ev_supported_backends (void) 1693ev_supported_backends (void)
1420{ 1694{
1421 unsigned int flags = 0; 1695 unsigned int flags = 0;
1422 1696
1423 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 1697 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
… …
1427 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 1701 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
1428 1702
1429 return flags; 1703 return flags;
1430} 1704}
1431 1705
1432unsigned int 1706unsigned int ecb_cold
1433ev_recommended_backends (void) 1707ev_recommended_backends (void)
1434{ 1708{
1435 unsigned int flags = ev_supported_backends (); 1709 unsigned int flags = ev_supported_backends ();
1436 1710
1437#ifndef __NetBSD__ 1711#ifndef __NetBSD__
… …
1442#ifdef __APPLE__ 1716#ifdef __APPLE__
1443 /* only select works correctly on that "unix-certified" platform */ 1717 /* only select works correctly on that "unix-certified" platform */
1444 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1718 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1445 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1719 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1446#endif 1720#endif
1721#ifdef __FreeBSD__
1722 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1723#endif
1447 1724
1448 return flags; 1725 return flags;
1449} 1726}
1450 1727
1451unsigned int 1728unsigned int ecb_cold
1452ev_embeddable_backends (void) 1729ev_embeddable_backends (void)
1453{ 1730{
1454 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1731 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1455 1732
1456 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1733 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1457 /* please fix it and tell me how to detect the fix */ 1734 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1458 flags &= ~EVBACKEND_EPOLL; 1735 flags &= ~EVBACKEND_EPOLL;
1459 1736
1460 return flags; 1737 return flags;
1461} 1738}
1462 1739
1463unsigned int 1740unsigned int
1464ev_backend (EV_P) 1741ev_backend (EV_P)
1465{ 1742{
1466 return backend; 1743 return backend;
1467} 1744}
1468 1745
1469#if EV_MINIMAL < 2 1746#if EV_FEATURE_API
1470unsigned int 1747unsigned int
1471ev_loop_count (EV_P) 1748ev_iteration (EV_P)
1472{ 1749{
1473 return loop_count; 1750 return loop_count;
1474} 1751}
1475 1752
1476unsigned int 1753unsigned int
1477ev_loop_depth (EV_P) 1754ev_depth (EV_P)
1478{ 1755{
1479 return loop_depth; 1756 return loop_depth;
1480} 1757}
1481 1758
1482void 1759void
… …
1501ev_userdata (EV_P) 1778ev_userdata (EV_P)
1502{ 1779{
1503 return userdata; 1780 return userdata;
1504} 1781}
1505 1782
1783void
1506void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) 1784ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
1507{ 1785{
1508 invoke_cb = invoke_pending_cb; 1786 invoke_cb = invoke_pending_cb;
1509} 1787}
1510 1788
1789void
1511void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) 1790ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))
1512{ 1791{
1513 release_cb = release; 1792 release_cb = release;
1514 acquire_cb = acquire; 1793 acquire_cb = acquire;
1515} 1794}
1516#endif 1795#endif
1517 1796
1518/* initialise a loop structure, must be zero-initialised */ 1797/* initialise a loop structure, must be zero-initialised */
1519static void noinline 1798static void noinline ecb_cold
1520loop_init (EV_P_ unsigned int flags) 1799loop_init (EV_P_ unsigned int flags)
1521{ 1800{
1522 if (!backend) 1801 if (!backend)
1523 { 1802 {
1803 origflags = flags;
1804
1524#if EV_USE_REALTIME 1805#if EV_USE_REALTIME
1525 if (!have_realtime) 1806 if (!have_realtime)
1526 { 1807 {
1527 struct timespec ts; 1808 struct timespec ts;
1528 1809
… …
1550 if (!(flags & EVFLAG_NOENV) 1831 if (!(flags & EVFLAG_NOENV)
1551 && !enable_secure () 1832 && !enable_secure ()
1552 && getenv ("LIBEV_FLAGS")) 1833 && getenv ("LIBEV_FLAGS"))
1553 flags = atoi (getenv ("LIBEV_FLAGS")); 1834 flags = atoi (getenv ("LIBEV_FLAGS"));
1554 1835
1555 ev_rt_now = ev_time (); 1836 ev_rt_now = ev_time ();
1556 mn_now = get_clock (); 1837 mn_now = get_clock ();
1557 now_floor = mn_now; 1838 now_floor = mn_now;
1558 rtmn_diff = ev_rt_now - mn_now; 1839 rtmn_diff = ev_rt_now - mn_now;
1559#if EV_MINIMAL < 2 1840#if EV_FEATURE_API
1560 invoke_cb = ev_invoke_pending; 1841 invoke_cb = ev_invoke_pending;
1561#endif 1842#endif
1562 1843
1563 io_blocktime = 0.; 1844 io_blocktime = 0.;
1564 timeout_blocktime = 0.; 1845 timeout_blocktime = 0.;
1565 backend = 0; 1846 backend = 0;
1566 backend_fd = -1; 1847 backend_fd = -1;
1567 sig_pending = 0; 1848 sig_pending = 0;
1568#if EV_ASYNC_ENABLE 1849#if EV_ASYNC_ENABLE
1569 async_pending = 0; 1850 async_pending = 0;
1570#endif 1851#endif
1852 pipe_write_skipped = 0;
1853 pipe_write_wanted = 0;
1571#if EV_USE_INOTIFY 1854#if EV_USE_INOTIFY
1572 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2; 1855 fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1573#endif 1856#endif
1574#if EV_USE_SIGNALFD 1857#if EV_USE_SIGNALFD
1575 sigfd = flags & EVFLAG_NOSIGFD ? -1 : -2; 1858 sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1576#endif 1859#endif
1577 1860
1578 if (!(flags & 0x0000ffffU)) 1861 if (!(flags & EVBACKEND_MASK))
1579 flags |= ev_recommended_backends (); 1862 flags |= ev_recommended_backends ();
1580 1863
1864#if EV_USE_IOCP
1865 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1866#endif
1581#if EV_USE_PORT 1867#if EV_USE_PORT
1582 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1868 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1583#endif 1869#endif
1584#if EV_USE_KQUEUE 1870#if EV_USE_KQUEUE
1585 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1871 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
… …
1594 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1880 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1595#endif 1881#endif
1596 1882
1597 ev_prepare_init (&pending_w, pendingcb); 1883 ev_prepare_init (&pending_w, pendingcb);
1598 1884
1885#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1599 ev_init (&pipe_w, pipecb); 1886 ev_init (&pipe_w, pipecb);
1600 ev_set_priority (&pipe_w, EV_MAXPRI); 1887 ev_set_priority (&pipe_w, EV_MAXPRI);
1888#endif
1601 } 1889 }
1602} 1890}
1603 1891
1604/* free up a loop structure */ 1892/* free up a loop structure */
1605static void noinline 1893void ecb_cold
1606loop_destroy (EV_P) 1894ev_loop_destroy (EV_P)
1607{ 1895{
1608 int i; 1896 int i;
1897
1898#if EV_MULTIPLICITY
1899 /* mimic free (0) */
1900 if (!EV_A)
1901 return;
1902#endif
1903
1904#if EV_CLEANUP_ENABLE
1905 /* queue cleanup watchers (and execute them) */
1906 if (expect_false (cleanupcnt))
1907 {
1908 queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
1909 EV_INVOKE_PENDING;
1910 }
1911#endif
1912
1913#if EV_CHILD_ENABLE
1914 if (ev_is_active (&childev))
1915 {
1916 ev_ref (EV_A); /* child watcher */
1917 ev_signal_stop (EV_A_ &childev);
1918 }
1919#endif
1609 1920
1610 if (ev_is_active (&pipe_w)) 1921 if (ev_is_active (&pipe_w))
1611 { 1922 {
1612 /*ev_ref (EV_A);*/ 1923 /*ev_ref (EV_A);*/
1613 /*ev_io_stop (EV_A_ &pipe_w);*/ 1924 /*ev_io_stop (EV_A_ &pipe_w);*/
… …
1617 close (evfd); 1928 close (evfd);
1618#endif 1929#endif
1619 1930
1620 if (evpipe [0] >= 0) 1931 if (evpipe [0] >= 0)
1621 { 1932 {
1622 close (evpipe [0]); 1933 EV_WIN32_CLOSE_FD (evpipe [0]);
1623 close (evpipe [1]); 1934 EV_WIN32_CLOSE_FD (evpipe [1]);
1624 } 1935 }
1625 } 1936 }
1626 1937
1627#if EV_USE_SIGNALFD 1938#if EV_USE_SIGNALFD
1628 if (ev_is_active (&sigfd_w)) 1939 if (ev_is_active (&sigfd_w))
1629 {
1630 /*ev_ref (EV_A);*/
1631 /*ev_io_stop (EV_A_ &sigfd_w);*/
1632
1633 close (sigfd); 1940 close (sigfd);
1634 }
1635#endif 1941#endif
1636 1942
1637#if EV_USE_INOTIFY 1943#if EV_USE_INOTIFY
1638 if (fs_fd >= 0) 1944 if (fs_fd >= 0)
1639 close (fs_fd); 1945 close (fs_fd);
1640#endif 1946#endif
1641 1947
1642 if (backend_fd >= 0) 1948 if (backend_fd >= 0)
1643 close (backend_fd); 1949 close (backend_fd);
1644 1950
1951#if EV_USE_IOCP
1952 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1953#endif
1645#if EV_USE_PORT 1954#if EV_USE_PORT
1646 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1955 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1647#endif 1956#endif
1648#if EV_USE_KQUEUE 1957#if EV_USE_KQUEUE
1649 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1958 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
… …
1676 array_free (periodic, EMPTY); 1985 array_free (periodic, EMPTY);
1677#endif 1986#endif
1678#if EV_FORK_ENABLE 1987#if EV_FORK_ENABLE
1679 array_free (fork, EMPTY); 1988 array_free (fork, EMPTY);
1680#endif 1989#endif
1990#if EV_CLEANUP_ENABLE
1991 array_free (cleanup, EMPTY);
1992#endif
1681 array_free (prepare, EMPTY); 1993 array_free (prepare, EMPTY);
1682 array_free (check, EMPTY); 1994 array_free (check, EMPTY);
1683#if EV_ASYNC_ENABLE 1995#if EV_ASYNC_ENABLE
1684 array_free (async, EMPTY); 1996 array_free (async, EMPTY);
1685#endif 1997#endif
1686 1998
1687 backend = 0; 1999 backend = 0;
2000
2001#if EV_MULTIPLICITY
2002 if (ev_is_default_loop (EV_A))
2003#endif
2004 ev_default_loop_ptr = 0;
2005#if EV_MULTIPLICITY
2006 else
2007 ev_free (EV_A);
2008#endif
1688} 2009}
1689 2010
1690#if EV_USE_INOTIFY 2011#if EV_USE_INOTIFY
1691inline_size void infy_fork (EV_P); 2012inline_size void infy_fork (EV_P);
1692#endif 2013#endif
… …
1707 infy_fork (EV_A); 2028 infy_fork (EV_A);
1708#endif 2029#endif
1709 2030
1710 if (ev_is_active (&pipe_w)) 2031 if (ev_is_active (&pipe_w))
1711 { 2032 {
1712 /* this "locks" the handlers against writing to the pipe */ 2033 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
1713 /* while we modify the fd vars */
1714 sig_pending = 1;
1715#if EV_ASYNC_ENABLE
1716 async_pending = 1;
1717#endif
1718 2034
1719 ev_ref (EV_A); 2035 ev_ref (EV_A);
1720 ev_io_stop (EV_A_ &pipe_w); 2036 ev_io_stop (EV_A_ &pipe_w);
1721 2037
1722#if EV_USE_EVENTFD 2038#if EV_USE_EVENTFD
… …
1724 close (evfd); 2040 close (evfd);
1725#endif 2041#endif
1726 2042
1727 if (evpipe [0] >= 0) 2043 if (evpipe [0] >= 0)
1728 { 2044 {
1729 close (evpipe [0]); 2045 EV_WIN32_CLOSE_FD (evpipe [0]);
1730 close (evpipe [1]); 2046 EV_WIN32_CLOSE_FD (evpipe [1]);
1731 } 2047 }
1732 2048
2049#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1733 evpipe_init (EV_A); 2050 evpipe_init (EV_A);
1734 /* now iterate over everything, in case we missed something */ 2051 /* now iterate over everything, in case we missed something */
1735 pipecb (EV_A_ &pipe_w, EV_READ); 2052 pipecb (EV_A_ &pipe_w, EV_READ);
2053#endif
1736 } 2054 }
1737 2055
1738 postfork = 0; 2056 postfork = 0;
1739} 2057}
1740 2058
1741#if EV_MULTIPLICITY 2059#if EV_MULTIPLICITY
1742 2060
1743struct ev_loop * 2061struct ev_loop * ecb_cold
1744ev_loop_new (unsigned int flags) 2062ev_loop_new (unsigned int flags)
1745{ 2063{
1746 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 2064 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1747 2065
1748 memset (EV_A, 0, sizeof (struct ev_loop)); 2066 memset (EV_A, 0, sizeof (struct ev_loop));
1749 loop_init (EV_A_ flags); 2067 loop_init (EV_A_ flags);
1750 2068
1751 if (ev_backend (EV_A)) 2069 if (ev_backend (EV_A))
1752 return EV_A; 2070 return EV_A;
1753 2071
2072 ev_free (EV_A);
1754 return 0; 2073 return 0;
1755} 2074}
1756 2075
1757void
1758ev_loop_destroy (EV_P)
1759{
1760 loop_destroy (EV_A);
1761 ev_free (loop);
1762}
1763
1764void
1765ev_loop_fork (EV_P)
1766{
1767 postfork = 1; /* must be in line with ev_default_fork */
1768}
1769#endif /* multiplicity */ 2076#endif /* multiplicity */
1770 2077
1771#if EV_VERIFY 2078#if EV_VERIFY
1772static void noinline 2079static void noinline ecb_cold
1773verify_watcher (EV_P_ W w) 2080verify_watcher (EV_P_ W w)
1774{ 2081{
1775 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 2082 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1776 2083
1777 if (w->pending) 2084 if (w->pending)
1778 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 2085 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1779} 2086}
1780 2087
1781static void noinline 2088static void noinline ecb_cold
1782verify_heap (EV_P_ ANHE *heap, int N) 2089verify_heap (EV_P_ ANHE *heap, int N)
1783{ 2090{
1784 int i; 2091 int i;
1785 2092
1786 for (i = HEAP0; i < N + HEAP0; ++i) 2093 for (i = HEAP0; i < N + HEAP0; ++i)
… …
1791 2098
1792 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 2099 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1793 } 2100 }
1794} 2101}
1795 2102
1796static void noinline 2103static void noinline ecb_cold
1797array_verify (EV_P_ W *ws, int cnt) 2104array_verify (EV_P_ W *ws, int cnt)
1798{ 2105{
1799 while (cnt--) 2106 while (cnt--)
1800 { 2107 {
1801 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 2108 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
1802 verify_watcher (EV_A_ ws [cnt]); 2109 verify_watcher (EV_A_ ws [cnt]);
1803 } 2110 }
1804} 2111}
1805#endif 2112#endif
1806 2113
1807#if EV_MINIMAL < 2 2114#if EV_FEATURE_API
1808void 2115void ecb_cold
1809ev_loop_verify (EV_P) 2116ev_verify (EV_P)
1810{ 2117{
1811#if EV_VERIFY 2118#if EV_VERIFY
1812 int i; 2119 int i;
1813 WL w; 2120 WL w;
1814 2121
… …
1848#if EV_FORK_ENABLE 2155#if EV_FORK_ENABLE
1849 assert (forkmax >= forkcnt); 2156 assert (forkmax >= forkcnt);
1850 array_verify (EV_A_ (W *)forks, forkcnt); 2157 array_verify (EV_A_ (W *)forks, forkcnt);
1851#endif 2158#endif
1852 2159
2160#if EV_CLEANUP_ENABLE
2161 assert (cleanupmax >= cleanupcnt);
2162 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
2163#endif
2164
1853#if EV_ASYNC_ENABLE 2165#if EV_ASYNC_ENABLE
1854 assert (asyncmax >= asynccnt); 2166 assert (asyncmax >= asynccnt);
1855 array_verify (EV_A_ (W *)asyncs, asynccnt); 2167 array_verify (EV_A_ (W *)asyncs, asynccnt);
1856#endif 2168#endif
1857 2169
2170#if EV_PREPARE_ENABLE
1858 assert (preparemax >= preparecnt); 2171 assert (preparemax >= preparecnt);
1859 array_verify (EV_A_ (W *)prepares, preparecnt); 2172 array_verify (EV_A_ (W *)prepares, preparecnt);
2173#endif
1860 2174
2175#if EV_CHECK_ENABLE
1861 assert (checkmax >= checkcnt); 2176 assert (checkmax >= checkcnt);
1862 array_verify (EV_A_ (W *)checks, checkcnt); 2177 array_verify (EV_A_ (W *)checks, checkcnt);
2178#endif
1863 2179
1864# if 0 2180# if 0
2181#if EV_CHILD_ENABLE
1865 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 2182 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1866 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) 2183 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
2184#endif
1867# endif 2185# endif
1868#endif 2186#endif
1869} 2187}
1870#endif 2188#endif
1871 2189
1872#if EV_MULTIPLICITY 2190#if EV_MULTIPLICITY
1873struct ev_loop * 2191struct ev_loop * ecb_cold
1874ev_default_loop_init (unsigned int flags)
1875#else 2192#else
1876int 2193int
2194#endif
1877ev_default_loop (unsigned int flags) 2195ev_default_loop (unsigned int flags)
1878#endif
1879{ 2196{
1880 if (!ev_default_loop_ptr) 2197 if (!ev_default_loop_ptr)
1881 { 2198 {
1882#if EV_MULTIPLICITY 2199#if EV_MULTIPLICITY
1883 EV_P = ev_default_loop_ptr = &default_loop_struct; 2200 EV_P = ev_default_loop_ptr = &default_loop_struct;
… …
1887 2204
1888 loop_init (EV_A_ flags); 2205 loop_init (EV_A_ flags);
1889 2206
1890 if (ev_backend (EV_A)) 2207 if (ev_backend (EV_A))
1891 { 2208 {
1892#ifndef _WIN32 2209#if EV_CHILD_ENABLE
1893 ev_signal_init (&childev, childcb, SIGCHLD); 2210 ev_signal_init (&childev, childcb, SIGCHLD);
1894 ev_set_priority (&childev, EV_MAXPRI); 2211 ev_set_priority (&childev, EV_MAXPRI);
1895 ev_signal_start (EV_A_ &childev); 2212 ev_signal_start (EV_A_ &childev);
1896 ev_unref (EV_A); /* child watcher should not keep loop alive */ 2213 ev_unref (EV_A); /* child watcher should not keep loop alive */
1897#endif 2214#endif
… …
1902 2219
1903 return ev_default_loop_ptr; 2220 return ev_default_loop_ptr;
1904} 2221}
1905 2222
1906void 2223void
1907ev_default_destroy (void) 2224ev_loop_fork (EV_P)
1908{ 2225{
1909#if EV_MULTIPLICITY
1910 EV_P = ev_default_loop_ptr;
1911#endif
1912
1913 ev_default_loop_ptr = 0;
1914
1915#ifndef _WIN32
1916 ev_ref (EV_A); /* child watcher */
1917 ev_signal_stop (EV_A_ &childev);
1918#endif
1919
1920 loop_destroy (EV_A);
1921}
1922
1923void
1924ev_default_fork (void)
1925{
1926#if EV_MULTIPLICITY
1927 EV_P = ev_default_loop_ptr;
1928#endif
1929
1930 postfork = 1; /* must be in line with ev_loop_fork */ 2226 postfork = 1; /* must be in line with ev_default_fork */
1931} 2227}
1932 2228
1933/*****************************************************************************/ 2229/*****************************************************************************/
1934 2230
1935void 2231void
… …
1957 2253
1958 for (pri = NUMPRI; pri--; ) 2254 for (pri = NUMPRI; pri--; )
1959 while (pendingcnt [pri]) 2255 while (pendingcnt [pri])
1960 { 2256 {
1961 ANPENDING *p = pendings [pri] + --pendingcnt [pri]; 2257 ANPENDING *p = pendings [pri] + --pendingcnt [pri];
1962
1963 /*assert (("libev: non-pending watcher on pending list", p->w->pending));*/
1964 /* ^ this is no longer true, as pending_w could be here */
1965 2258
1966 p->w->pending = 0; 2259 p->w->pending = 0;
1967 EV_CB_INVOKE (p->w, p->events); 2260 EV_CB_INVOKE (p->w, p->events);
1968 EV_FREQUENT_CHECK; 2261 EV_FREQUENT_CHECK;
1969 } 2262 }
… …
2026 EV_FREQUENT_CHECK; 2319 EV_FREQUENT_CHECK;
2027 feed_reverse (EV_A_ (W)w); 2320 feed_reverse (EV_A_ (W)w);
2028 } 2321 }
2029 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2322 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2030 2323
2031 feed_reverse_done (EV_A_ EV_TIMEOUT); 2324 feed_reverse_done (EV_A_ EV_TIMER);
2032 } 2325 }
2033} 2326}
2034 2327
2035#if EV_PERIODIC_ENABLE 2328#if EV_PERIODIC_ENABLE
2329
2330static void noinline
2331periodic_recalc (EV_P_ ev_periodic *w)
2332{
2333 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
2334 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
2335
2336 /* the above almost always errs on the low side */
2337 while (at <= ev_rt_now)
2338 {
2339 ev_tstamp nat = at + w->interval;
2340
2341 /* when resolution fails us, we use ev_rt_now */
2342 if (expect_false (nat == at))
2343 {
2344 at = ev_rt_now;
2345 break;
2346 }
2347
2348 at = nat;
2349 }
2350
2351 ev_at (w) = at;
2352}
2353
2036/* make periodics pending */ 2354/* make periodics pending */
2037inline_size void 2355inline_size void
2038periodics_reify (EV_P) 2356periodics_reify (EV_P)
2039{ 2357{
2040 EV_FREQUENT_CHECK; 2358 EV_FREQUENT_CHECK;
… …
2059 ANHE_at_cache (periodics [HEAP0]); 2377 ANHE_at_cache (periodics [HEAP0]);
2060 downheap (periodics, periodiccnt, HEAP0); 2378 downheap (periodics, periodiccnt, HEAP0);
2061 } 2379 }
2062 else if (w->interval) 2380 else if (w->interval)
2063 { 2381 {
2064 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2382 periodic_recalc (EV_A_ w);
2065 /* if next trigger time is not sufficiently in the future, put it there */
2066 /* this might happen because of floating point inexactness */
2067 if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2068 {
2069 ev_at (w) += w->interval;
2070
2071 /* if interval is unreasonably low we might still have a time in the past */
2072 /* so correct this. this will make the periodic very inexact, but the user */
2073 /* has effectively asked to get triggered more often than possible */
2074 if (ev_at (w) < ev_rt_now)
2075 ev_at (w) = ev_rt_now;
2076 }
2077
2078 ANHE_at_cache (periodics [HEAP0]); 2383 ANHE_at_cache (periodics [HEAP0]);
2079 downheap (periodics, periodiccnt, HEAP0); 2384 downheap (periodics, periodiccnt, HEAP0);
2080 } 2385 }
2081 else 2386 else
2082 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ 2387 ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
… …
2089 feed_reverse_done (EV_A_ EV_PERIODIC); 2394 feed_reverse_done (EV_A_ EV_PERIODIC);
2090 } 2395 }
2091} 2396}
2092 2397
2093/* simply recalculate all periodics */ 2398/* simply recalculate all periodics */
2094/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2399/* TODO: maybe ensure that at least one event happens when jumping forward? */
2095static void noinline 2400static void noinline ecb_cold
2096periodics_reschedule (EV_P) 2401periodics_reschedule (EV_P)
2097{ 2402{
2098 int i; 2403 int i;
2099 2404
2100 /* adjust periodics after time jump */ 2405 /* adjust periodics after time jump */
… …
2103 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]); 2408 ev_periodic *w = (ev_periodic *)ANHE_w (periodics [i]);
2104 2409
2105 if (w->reschedule_cb) 2410 if (w->reschedule_cb)
2106 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2411 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2107 else if (w->interval) 2412 else if (w->interval)
2108 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; 2413 periodic_recalc (EV_A_ w);
2109 2414
2110 ANHE_at_cache (periodics [i]); 2415 ANHE_at_cache (periodics [i]);
2111 } 2416 }
2112 2417
2113 reheap (periodics, periodiccnt); 2418 reheap (periodics, periodiccnt);
2114} 2419}
2115#endif 2420#endif
2116 2421
2117/* adjust all timers by a given offset */ 2422/* adjust all timers by a given offset */
2118static void noinline 2423static void noinline ecb_cold
2119timers_reschedule (EV_P_ ev_tstamp adjust) 2424timers_reschedule (EV_P_ ev_tstamp adjust)
2120{ 2425{
2121 int i; 2426 int i;
2122 2427
2123 for (i = 0; i < timercnt; ++i) 2428 for (i = 0; i < timercnt; ++i)
… …
2127 ANHE_at_cache (*he); 2432 ANHE_at_cache (*he);
2128 } 2433 }
2129} 2434}
2130 2435
2131/* fetch new monotonic and realtime times from the kernel */ 2436/* fetch new monotonic and realtime times from the kernel */
2132/* also detetc if there was a timejump, and act accordingly */ 2437/* also detect if there was a timejump, and act accordingly */
2133inline_speed void 2438inline_speed void
2134time_update (EV_P_ ev_tstamp max_block) 2439time_update (EV_P_ ev_tstamp max_block)
2135{ 2440{
2136#if EV_USE_MONOTONIC 2441#if EV_USE_MONOTONIC
2137 if (expect_true (have_monotonic)) 2442 if (expect_true (have_monotonic))
… …
2160 * doesn't hurt either as we only do this on time-jumps or 2465 * doesn't hurt either as we only do this on time-jumps or
2161 * in the unlikely event of having been preempted here. 2466 * in the unlikely event of having been preempted here.
2162 */ 2467 */
2163 for (i = 4; --i; ) 2468 for (i = 4; --i; )
2164 { 2469 {
2470 ev_tstamp diff;
2165 rtmn_diff = ev_rt_now - mn_now; 2471 rtmn_diff = ev_rt_now - mn_now;
2166 2472
2473 diff = odiff - rtmn_diff;
2474
2167 if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP)) 2475 if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
2168 return; /* all is well */ 2476 return; /* all is well */
2169 2477
2170 ev_rt_now = ev_time (); 2478 ev_rt_now = ev_time ();
2171 mn_now = get_clock (); 2479 mn_now = get_clock ();
2172 now_floor = mn_now; 2480 now_floor = mn_now;
… …
2195 mn_now = ev_rt_now; 2503 mn_now = ev_rt_now;
2196 } 2504 }
2197} 2505}
2198 2506
2199void 2507void
2200ev_loop (EV_P_ int flags) 2508ev_run (EV_P_ int flags)
2201{ 2509{
2202#if EV_MINIMAL < 2 2510#if EV_FEATURE_API
2203 ++loop_depth; 2511 ++loop_depth;
2204#endif 2512#endif
2205 2513
2206 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2514 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2207 2515
2208 loop_done = EVUNLOOP_CANCEL; 2516 loop_done = EVBREAK_CANCEL;
2209 2517
2210 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2518 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2211 2519
2212 do 2520 do
2213 { 2521 {
2214#if EV_VERIFY >= 2 2522#if EV_VERIFY >= 2
2215 ev_loop_verify (EV_A); 2523 ev_verify (EV_A);
2216#endif 2524#endif
2217 2525
2218#ifndef _WIN32 2526#ifndef _WIN32
2219 if (expect_false (curpid)) /* penalise the forking check even more */ 2527 if (expect_false (curpid)) /* penalise the forking check even more */
2220 if (expect_false (getpid () != curpid)) 2528 if (expect_false (getpid () != curpid))
… …
2232 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2540 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2233 EV_INVOKE_PENDING; 2541 EV_INVOKE_PENDING;
2234 } 2542 }
2235#endif 2543#endif
2236 2544
2545#if EV_PREPARE_ENABLE
2237 /* queue prepare watchers (and execute them) */ 2546 /* queue prepare watchers (and execute them) */
2238 if (expect_false (preparecnt)) 2547 if (expect_false (preparecnt))
2239 { 2548 {
2240 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2549 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2241 EV_INVOKE_PENDING; 2550 EV_INVOKE_PENDING;
2242 } 2551 }
2552#endif
2243 2553
2244 if (expect_false (loop_done)) 2554 if (expect_false (loop_done))
2245 break; 2555 break;
2246 2556
2247 /* we might have forked, so reify kernel state if necessary */ 2557 /* we might have forked, so reify kernel state if necessary */
… …
2254 /* calculate blocking time */ 2564 /* calculate blocking time */
2255 { 2565 {
2256 ev_tstamp waittime = 0.; 2566 ev_tstamp waittime = 0.;
2257 ev_tstamp sleeptime = 0.; 2567 ev_tstamp sleeptime = 0.;
2258 2568
2569 /* remember old timestamp for io_blocktime calculation */
2570 ev_tstamp prev_mn_now = mn_now;
2571
2572 /* update time to cancel out callback processing overhead */
2573 time_update (EV_A_ 1e100);
2574
2575 /* from now on, we want a pipe-wake-up */
2576 pipe_write_wanted = 1;
2577
2259 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2578 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2260 { 2579 {
2261 /* remember old timestamp for io_blocktime calculation */
2262 ev_tstamp prev_mn_now = mn_now;
2263
2264 /* update time to cancel out callback processing overhead */
2265 time_update (EV_A_ 1e100);
2266
2267 waittime = MAX_BLOCKTIME; 2580 waittime = MAX_BLOCKTIME;
2268 2581
2269 if (timercnt) 2582 if (timercnt)
2270 { 2583 {
2271 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2584 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
2272 if (waittime > to) waittime = to; 2585 if (waittime > to) waittime = to;
2273 } 2586 }
2274 2587
2275#if EV_PERIODIC_ENABLE 2588#if EV_PERIODIC_ENABLE
2276 if (periodiccnt) 2589 if (periodiccnt)
2277 { 2590 {
2278 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; 2591 ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now;
2279 if (waittime > to) waittime = to; 2592 if (waittime > to) waittime = to;
2280 } 2593 }
2281#endif 2594#endif
2282 2595
2283 /* don't let timeouts decrease the waittime below timeout_blocktime */ 2596 /* don't let timeouts decrease the waittime below timeout_blocktime */
2284 if (expect_false (waittime < timeout_blocktime)) 2597 if (expect_false (waittime < timeout_blocktime))
2285 waittime = timeout_blocktime; 2598 waittime = timeout_blocktime;
2599
2600 /* at this point, we NEED to wait, so we have to ensure */
2601 /* to pass a minimum nonzero value to the backend */
2602 if (expect_false (waittime < backend_mintime))
2603 waittime = backend_mintime;
2286 2604
2287 /* extra check because io_blocktime is commonly 0 */ 2605 /* extra check because io_blocktime is commonly 0 */
2288 if (expect_false (io_blocktime)) 2606 if (expect_false (io_blocktime))
2289 { 2607 {
2290 sleeptime = io_blocktime - (mn_now - prev_mn_now); 2608 sleeptime = io_blocktime - (mn_now - prev_mn_now);
2291 2609
2292 if (sleeptime > waittime - backend_fudge) 2610 if (sleeptime > waittime - backend_mintime)
2293 sleeptime = waittime - backend_fudge; 2611 sleeptime = waittime - backend_mintime;
2294 2612
2295 if (expect_true (sleeptime > 0.)) 2613 if (expect_true (sleeptime > 0.))
2296 { 2614 {
2297 ev_sleep (sleeptime); 2615 ev_sleep (sleeptime);
2298 waittime -= sleeptime; 2616 waittime -= sleeptime;
2299 } 2617 }
2300 } 2618 }
2301 } 2619 }
2302 2620
2303#if EV_MINIMAL < 2 2621#if EV_FEATURE_API
2304 ++loop_count; 2622 ++loop_count;
2305#endif 2623#endif
2306 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2624 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2307 backend_poll (EV_A_ waittime); 2625 backend_poll (EV_A_ waittime);
2308 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2626 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2627
2628 pipe_write_wanted = 0;
2629
2630 if (pipe_write_skipped)
2631 {
2632 assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2633 ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2634 }
2635
2309 2636
2310 /* update ev_rt_now, do magic */ 2637 /* update ev_rt_now, do magic */
2311 time_update (EV_A_ waittime + sleeptime); 2638 time_update (EV_A_ waittime + sleeptime);
2312 } 2639 }
2313 2640
… …
2320#if EV_IDLE_ENABLE 2647#if EV_IDLE_ENABLE
2321 /* queue idle watchers unless other events are pending */ 2648 /* queue idle watchers unless other events are pending */
2322 idle_reify (EV_A); 2649 idle_reify (EV_A);
2323#endif 2650#endif
2324 2651
2652#if EV_CHECK_ENABLE
2325 /* queue check watchers, to be executed first */ 2653 /* queue check watchers, to be executed first */
2326 if (expect_false (checkcnt)) 2654 if (expect_false (checkcnt))
2327 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2655 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2656#endif
2328 2657
2329 EV_INVOKE_PENDING; 2658 EV_INVOKE_PENDING;
2330 } 2659 }
2331 while (expect_true ( 2660 while (expect_true (
2332 activecnt 2661 activecnt
2333 && !loop_done 2662 && !loop_done
2334 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2663 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2335 )); 2664 ));
2336 2665
2337 if (loop_done == EVUNLOOP_ONE) 2666 if (loop_done == EVBREAK_ONE)
2338 loop_done = EVUNLOOP_CANCEL; 2667 loop_done = EVBREAK_CANCEL;
2339 2668
2340#if EV_MINIMAL < 2 2669#if EV_FEATURE_API
2341 --loop_depth; 2670 --loop_depth;
2342#endif 2671#endif
2343} 2672}
2344 2673
2345void 2674void
2346ev_unloop (EV_P_ int how) 2675ev_break (EV_P_ int how)
2347{ 2676{
2348 loop_done = how; 2677 loop_done = how;
2349} 2678}
2350 2679
2351void 2680void
… …
2471 2800
2472 if (expect_false (ev_is_active (w))) 2801 if (expect_false (ev_is_active (w)))
2473 return; 2802 return;
2474 2803
2475 assert (("libev: ev_io_start called with negative fd", fd >= 0)); 2804 assert (("libev: ev_io_start called with negative fd", fd >= 0));
2476 assert (("libev: ev_io start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); 2805 assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
2477 2806
2478 EV_FREQUENT_CHECK; 2807 EV_FREQUENT_CHECK;
2479 2808
2480 ev_start (EV_A_ (W)w, 1); 2809 ev_start (EV_A_ (W)w, 1);
2481 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); 2810 array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
… …
2499 EV_FREQUENT_CHECK; 2828 EV_FREQUENT_CHECK;
2500 2829
2501 wlist_del (&anfds[w->fd].head, (WL)w); 2830 wlist_del (&anfds[w->fd].head, (WL)w);
2502 ev_stop (EV_A_ (W)w); 2831 ev_stop (EV_A_ (W)w);
2503 2832
2504 fd_change (EV_A_ w->fd, 1); 2833 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2505 2834
2506 EV_FREQUENT_CHECK; 2835 EV_FREQUENT_CHECK;
2507} 2836}
2508 2837
2509void noinline 2838void noinline
… …
2551 timers [active] = timers [timercnt + HEAP0]; 2880 timers [active] = timers [timercnt + HEAP0];
2552 adjustheap (timers, timercnt, active); 2881 adjustheap (timers, timercnt, active);
2553 } 2882 }
2554 } 2883 }
2555 2884
2556 EV_FREQUENT_CHECK;
2557
2558 ev_at (w) -= mn_now; 2885 ev_at (w) -= mn_now;
2559 2886
2560 ev_stop (EV_A_ (W)w); 2887 ev_stop (EV_A_ (W)w);
2888
2889 EV_FREQUENT_CHECK;
2561} 2890}
2562 2891
2563void noinline 2892void noinline
2564ev_timer_again (EV_P_ ev_timer *w) 2893ev_timer_again (EV_P_ ev_timer *w)
2565{ 2894{
… …
2601 if (w->reschedule_cb) 2930 if (w->reschedule_cb)
2602 ev_at (w) = w->reschedule_cb (w, ev_rt_now); 2931 ev_at (w) = w->reschedule_cb (w, ev_rt_now);
2603 else if (w->interval) 2932 else if (w->interval)
2604 { 2933 {
2605 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.)); 2934 assert (("libev: ev_periodic_start called with negative interval value", w->interval >= 0.));
2606 /* this formula differs from the one in periodic_reify because we do not always round up */ 2935 periodic_recalc (EV_A_ w);
2607 ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;
2608 } 2936 }
2609 else 2937 else
2610 ev_at (w) = w->offset; 2938 ev_at (w) = w->offset;
2611 2939
2612 EV_FREQUENT_CHECK; 2940 EV_FREQUENT_CHECK;
… …
2644 periodics [active] = periodics [periodiccnt + HEAP0]; 2972 periodics [active] = periodics [periodiccnt + HEAP0];
2645 adjustheap (periodics, periodiccnt, active); 2973 adjustheap (periodics, periodiccnt, active);
2646 } 2974 }
2647 } 2975 }
2648 2976
2649 EV_FREQUENT_CHECK;
2650
2651 ev_stop (EV_A_ (W)w); 2977 ev_stop (EV_A_ (W)w);
2978
2979 EV_FREQUENT_CHECK;
2652} 2980}
2653 2981
2654void noinline 2982void noinline
2655ev_periodic_again (EV_P_ ev_periodic *w) 2983ev_periodic_again (EV_P_ ev_periodic *w)
2656{ 2984{
… …
2662 2990
2663#ifndef SA_RESTART 2991#ifndef SA_RESTART
2664# define SA_RESTART 0 2992# define SA_RESTART 0
2665#endif 2993#endif
2666 2994
2995#if EV_SIGNAL_ENABLE
2996
2667void noinline 2997void noinline
2668ev_signal_start (EV_P_ ev_signal *w) 2998ev_signal_start (EV_P_ ev_signal *w)
2669{ 2999{
2670 if (expect_false (ev_is_active (w))) 3000 if (expect_false (ev_is_active (w)))
2671 return; 3001 return;
2672 3002
2673 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 3003 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
2674 3004
2675#if EV_MULTIPLICITY 3005#if EV_MULTIPLICITY
2676 assert (("libev: tried to attach to a signal from two different loops", 3006 assert (("libev: a signal must not be attached to two different loops",
2677 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop)); 3007 !signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
2678 3008
2679 signals [w->signum - 1].loop = EV_A; 3009 signals [w->signum - 1].loop = EV_A;
2680#endif 3010#endif
2681 3011
… …
2717 if (!((WL)w)->next) 3047 if (!((WL)w)->next)
2718# if EV_USE_SIGNALFD 3048# if EV_USE_SIGNALFD
2719 if (sigfd < 0) /*TODO*/ 3049 if (sigfd < 0) /*TODO*/
2720# endif 3050# endif
2721 { 3051 {
2722# if _WIN32 3052# ifdef _WIN32
3053 evpipe_init (EV_A);
3054
2723 signal (w->signum, ev_sighandler); 3055 signal (w->signum, ev_sighandler);
2724# else 3056# else
2725 struct sigaction sa; 3057 struct sigaction sa;
2726 3058
2727 evpipe_init (EV_A); 3059 evpipe_init (EV_A);
… …
2729 sa.sa_handler = ev_sighandler; 3061 sa.sa_handler = ev_sighandler;
2730 sigfillset (&sa.sa_mask); 3062 sigfillset (&sa.sa_mask);
2731 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ 3063 sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */
2732 sigaction (w->signum, &sa, 0); 3064 sigaction (w->signum, &sa, 0);
2733 3065
3066 if (origflags & EVFLAG_NOSIGMASK)
3067 {
2734 sigemptyset (&sa.sa_mask); 3068 sigemptyset (&sa.sa_mask);
2735 sigaddset (&sa.sa_mask, w->signum); 3069 sigaddset (&sa.sa_mask, w->signum);
2736 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0); 3070 sigprocmask (SIG_UNBLOCK, &sa.sa_mask, 0);
3071 }
2737#endif 3072#endif
2738 } 3073 }
2739 3074
2740 EV_FREQUENT_CHECK; 3075 EV_FREQUENT_CHECK;
2741} 3076}
… …
2758 signals [w->signum - 1].loop = 0; /* unattach from signal */ 3093 signals [w->signum - 1].loop = 0; /* unattach from signal */
2759#endif 3094#endif
2760#if EV_USE_SIGNALFD 3095#if EV_USE_SIGNALFD
2761 if (sigfd >= 0) 3096 if (sigfd >= 0)
2762 { 3097 {
2763 sigprocmask (SIG_UNBLOCK, &sigfd_set, 0);//D 3098 sigset_t ss;
3099
3100 sigemptyset (&ss);
3101 sigaddset (&ss, w->signum);
2764 sigdelset (&sigfd_set, w->signum); 3102 sigdelset (&sigfd_set, w->signum);
3103
2765 signalfd (sigfd, &sigfd_set, 0); 3104 signalfd (sigfd, &sigfd_set, 0);
2766 sigprocmask (SIG_BLOCK, &sigfd_set, 0);//D 3105 sigprocmask (SIG_UNBLOCK, &ss, 0);
2767 /*TODO: maybe unblock signal? */
2768 } 3106 }
2769 else 3107 else
2770#endif 3108#endif
2771 signal (w->signum, SIG_DFL); 3109 signal (w->signum, SIG_DFL);
2772 } 3110 }
2773 3111
2774 EV_FREQUENT_CHECK; 3112 EV_FREQUENT_CHECK;
2775} 3113}
2776 3114
3115#endif
3116
3117#if EV_CHILD_ENABLE
3118
2777void 3119void
2778ev_child_start (EV_P_ ev_child *w) 3120ev_child_start (EV_P_ ev_child *w)
2779{ 3121{
2780#if EV_MULTIPLICITY 3122#if EV_MULTIPLICITY
2781 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 3123 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
… …
2784 return; 3126 return;
2785 3127
2786 EV_FREQUENT_CHECK; 3128 EV_FREQUENT_CHECK;
2787 3129
2788 ev_start (EV_A_ (W)w, 1); 3130 ev_start (EV_A_ (W)w, 1);
2789 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 3131 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2790 3132
2791 EV_FREQUENT_CHECK; 3133 EV_FREQUENT_CHECK;
2792} 3134}
2793 3135
2794void 3136void
… …
2798 if (expect_false (!ev_is_active (w))) 3140 if (expect_false (!ev_is_active (w)))
2799 return; 3141 return;
2800 3142
2801 EV_FREQUENT_CHECK; 3143 EV_FREQUENT_CHECK;
2802 3144
2803 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 3145 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2804 ev_stop (EV_A_ (W)w); 3146 ev_stop (EV_A_ (W)w);
2805 3147
2806 EV_FREQUENT_CHECK; 3148 EV_FREQUENT_CHECK;
2807} 3149}
3150
3151#endif
2808 3152
2809#if EV_STAT_ENABLE 3153#if EV_STAT_ENABLE
2810 3154
2811# ifdef _WIN32 3155# ifdef _WIN32
2812# undef lstat 3156# undef lstat
… …
2818#define MIN_STAT_INTERVAL 0.1074891 3162#define MIN_STAT_INTERVAL 0.1074891
2819 3163
2820static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 3164static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);
2821 3165
2822#if EV_USE_INOTIFY 3166#if EV_USE_INOTIFY
2823# define EV_INOTIFY_BUFSIZE 8192 3167
3168/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3169# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
2824 3170
2825static void noinline 3171static void noinline
2826infy_add (EV_P_ ev_stat *w) 3172infy_add (EV_P_ ev_stat *w)
2827{ 3173{
2828 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); 3174 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);
2829 3175
2830 if (w->wd < 0) 3176 if (w->wd >= 0)
3177 {
3178 struct statfs sfs;
3179
3180 /* now local changes will be tracked by inotify, but remote changes won't */
3181 /* unless the filesystem is known to be local, we therefore still poll */
3182 /* also do poll on <2.6.25, but with normal frequency */
3183
3184 if (!fs_2625)
3185 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3186 else if (!statfs (w->path, &sfs)
3187 && (sfs.f_type == 0x1373 /* devfs */
3188 || sfs.f_type == 0xEF53 /* ext2/3 */
3189 || sfs.f_type == 0x3153464a /* jfs */
3190 || sfs.f_type == 0x52654973 /* reiser3 */
3191 || sfs.f_type == 0x01021994 /* tempfs */
3192 || sfs.f_type == 0x58465342 /* xfs */))
3193 w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3194 else
3195 w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
2831 { 3196 }
3197 else
3198 {
3199 /* can't use inotify, continue to stat */
2832 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL; 3200 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
2833 ev_timer_again (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */
2834 3201
2835 /* monitor some parent directory for speedup hints */ 3202 /* if path is not there, monitor some parent directory for speedup hints */
2836 /* note that exceeding the hardcoded path limit is not a correctness issue, */ 3203 /* note that exceeding the hardcoded path limit is not a correctness issue, */
2837 /* but an efficiency issue only */ 3204 /* but an efficiency issue only */
2838 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) 3205 if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096)
2839 { 3206 {
2840 char path [4096]; 3207 char path [4096];
… …
2850 if (!pend || pend == path) 3217 if (!pend || pend == path)
2851 break; 3218 break;
2852 3219
2853 *pend = 0; 3220 *pend = 0;
2854 w->wd = inotify_add_watch (fs_fd, path, mask); 3221 w->wd = inotify_add_watch (fs_fd, path, mask);
2855 } 3222 }
2856 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3223 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2857 } 3224 }
2858 } 3225 }
2859 3226
2860 if (w->wd >= 0) 3227 if (w->wd >= 0)
2861 {
2862 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3228 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2863 3229
2864 /* now local changes will be tracked by inotify, but remote changes won't */ 3230 /* now re-arm timer, if required */
2865 /* unless the filesystem it known to be local, we therefore still poll */ 3231 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2866 /* also do poll on <2.6.25, but with normal frequency */
2867 struct statfs sfs;
2868
2869 if (fs_2625 && !statfs (w->path, &sfs))
2870 if (sfs.f_type == 0x1373 /* devfs */
2871 || sfs.f_type == 0xEF53 /* ext2/3 */
2872 || sfs.f_type == 0x3153464a /* jfs */
2873 || sfs.f_type == 0x52654973 /* reiser3 */
2874 || sfs.f_type == 0x01021994 /* tempfs */
2875 || sfs.f_type == 0x58465342 /* xfs */)
2876 return;
2877
2878 w->timer.repeat = w->interval ? w->interval : fs_2625 ? NFS_STAT_INTERVAL : DEF_STAT_INTERVAL;
2879 ev_timer_again (EV_A_ &w->timer); 3232 ev_timer_again (EV_A_ &w->timer);
2880 } 3233 if (ev_is_active (&w->timer)) ev_unref (EV_A);
2881} 3234}
2882 3235
2883static void noinline 3236static void noinline
2884infy_del (EV_P_ ev_stat *w) 3237infy_del (EV_P_ ev_stat *w)
2885{ 3238{
… …
2888 3241
2889 if (wd < 0) 3242 if (wd < 0)
2890 return; 3243 return;
2891 3244
2892 w->wd = -2; 3245 w->wd = -2;
2893 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3246 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2894 wlist_del (&fs_hash [slot].head, (WL)w); 3247 wlist_del (&fs_hash [slot].head, (WL)w);
2895 3248
2896 /* remove this watcher, if others are watching it, they will rearm */ 3249 /* remove this watcher, if others are watching it, they will rearm */
2897 inotify_rm_watch (fs_fd, wd); 3250 inotify_rm_watch (fs_fd, wd);
2898} 3251}
… …
2900static void noinline 3253static void noinline
2901infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3254infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2902{ 3255{
2903 if (slot < 0) 3256 if (slot < 0)
2904 /* overflow, need to check for all hash slots */ 3257 /* overflow, need to check for all hash slots */
2905 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3258 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2906 infy_wd (EV_A_ slot, wd, ev); 3259 infy_wd (EV_A_ slot, wd, ev);
2907 else 3260 else
2908 { 3261 {
2909 WL w_; 3262 WL w_;
2910 3263
2911 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3264 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2912 { 3265 {
2913 ev_stat *w = (ev_stat *)w_; 3266 ev_stat *w = (ev_stat *)w_;
2914 w_ = w_->next; /* lets us remove this watcher and all before it */ 3267 w_ = w_->next; /* lets us remove this watcher and all before it */
2915 3268
2916 if (w->wd == wd || wd == -1) 3269 if (w->wd == wd || wd == -1)
2917 { 3270 {
2918 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3271 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2919 { 3272 {
2920 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3273 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2921 w->wd = -1; 3274 w->wd = -1;
2922 infy_add (EV_A_ w); /* re-add, no matter what */ 3275 infy_add (EV_A_ w); /* re-add, no matter what */
2923 } 3276 }
2924 3277
2925 stat_timer_cb (EV_A_ &w->timer, 0); 3278 stat_timer_cb (EV_A_ &w->timer, 0);
… …
2930 3283
2931static void 3284static void
2932infy_cb (EV_P_ ev_io *w, int revents) 3285infy_cb (EV_P_ ev_io *w, int revents)
2933{ 3286{
2934 char buf [EV_INOTIFY_BUFSIZE]; 3287 char buf [EV_INOTIFY_BUFSIZE];
2935 struct inotify_event *ev = (struct inotify_event *)buf;
2936 int ofs; 3288 int ofs;
2937 int len = read (fs_fd, buf, sizeof (buf)); 3289 int len = read (fs_fd, buf, sizeof (buf));
2938 3290
2939 for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) 3291 for (ofs = 0; ofs < len; )
3292 {
3293 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
2940 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3294 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3295 ofs += sizeof (struct inotify_event) + ev->len;
3296 }
2941} 3297}
2942 3298
2943inline_size void 3299inline_size void ecb_cold
2944check_2625 (EV_P) 3300ev_check_2625 (EV_P)
2945{ 3301{
2946 /* kernels < 2.6.25 are borked 3302 /* kernels < 2.6.25 are borked
2947 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3303 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
2948 */ 3304 */
2949 struct utsname buf; 3305 if (ev_linux_version () < 0x020619)
2950 int major, minor, micro;
2951
2952 if (uname (&buf))
2953 return; 3306 return;
2954 3307
2955 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
2956 return;
2957
2958 if (major < 2
2959 || (major == 2 && minor < 6)
2960 || (major == 2 && minor == 6 && micro < 25))
2961 return;
2962
2963 fs_2625 = 1; 3308 fs_2625 = 1;
3309}
3310
3311inline_size int
3312infy_newfd (void)
3313{
3314#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)
3315 int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3316 if (fd >= 0)
3317 return fd;
3318#endif
3319 return inotify_init ();
2964} 3320}
2965 3321
2966inline_size void 3322inline_size void
2967infy_init (EV_P) 3323infy_init (EV_P)
2968{ 3324{
2969 if (fs_fd != -2) 3325 if (fs_fd != -2)
2970 return; 3326 return;
2971 3327
2972 fs_fd = -1; 3328 fs_fd = -1;
2973 3329
2974 check_2625 (EV_A); 3330 ev_check_2625 (EV_A);
2975 3331
2976 fs_fd = inotify_init (); 3332 fs_fd = infy_newfd ();
2977 3333
2978 if (fs_fd >= 0) 3334 if (fs_fd >= 0)
2979 { 3335 {
3336 fd_intern (fs_fd);
2980 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); 3337 ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ);
2981 ev_set_priority (&fs_w, EV_MAXPRI); 3338 ev_set_priority (&fs_w, EV_MAXPRI);
2982 ev_io_start (EV_A_ &fs_w); 3339 ev_io_start (EV_A_ &fs_w);
3340 ev_unref (EV_A);
2983 } 3341 }
2984} 3342}
2985 3343
2986inline_size void 3344inline_size void
2987infy_fork (EV_P) 3345infy_fork (EV_P)
… …
2989 int slot; 3347 int slot;
2990 3348
2991 if (fs_fd < 0) 3349 if (fs_fd < 0)
2992 return; 3350 return;
2993 3351
3352 ev_ref (EV_A);
3353 ev_io_stop (EV_A_ &fs_w);
2994 close (fs_fd); 3354 close (fs_fd);
2995 fs_fd = inotify_init (); 3355 fs_fd = infy_newfd ();
2996 3356
3357 if (fs_fd >= 0)
3358 {
3359 fd_intern (fs_fd);
3360 ev_io_set (&fs_w, fs_fd, EV_READ);
3361 ev_io_start (EV_A_ &fs_w);
3362 ev_unref (EV_A);
3363 }
3364
2997 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3365 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2998 { 3366 {
2999 WL w_ = fs_hash [slot].head; 3367 WL w_ = fs_hash [slot].head;
3000 fs_hash [slot].head = 0; 3368 fs_hash [slot].head = 0;
3001 3369
3002 while (w_) 3370 while (w_)
… …
3007 w->wd = -1; 3375 w->wd = -1;
3008 3376
3009 if (fs_fd >= 0) 3377 if (fs_fd >= 0)
3010 infy_add (EV_A_ w); /* re-add, no matter what */ 3378 infy_add (EV_A_ w); /* re-add, no matter what */
3011 else 3379 else
3380 {
3381 w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3382 if (ev_is_active (&w->timer)) ev_ref (EV_A);
3012 ev_timer_again (EV_A_ &w->timer); 3383 ev_timer_again (EV_A_ &w->timer);
3384 if (ev_is_active (&w->timer)) ev_unref (EV_A);
3385 }
3013 } 3386 }
3014 } 3387 }
3015} 3388}
3016 3389
3017#endif 3390#endif
… …
3034static void noinline 3407static void noinline
3035stat_timer_cb (EV_P_ ev_timer *w_, int revents) 3408stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3036{ 3409{
3037 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 3410 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3038 3411
3039 /* we copy this here each the time so that */ 3412 ev_statdata prev = w->attr;
3040 /* prev has the old value when the callback gets invoked */
3041 w->prev = w->attr;
3042 ev_stat_stat (EV_A_ w); 3413 ev_stat_stat (EV_A_ w);
3043 3414
3044 /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ 3415 /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */
3045 if ( 3416 if (
3046 w->prev.st_dev != w->attr.st_dev 3417 prev.st_dev != w->attr.st_dev
3047 || w->prev.st_ino != w->attr.st_ino 3418 || prev.st_ino != w->attr.st_ino
3048 || w->prev.st_mode != w->attr.st_mode 3419 || prev.st_mode != w->attr.st_mode
3049 || w->prev.st_nlink != w->attr.st_nlink 3420 || prev.st_nlink != w->attr.st_nlink
3050 || w->prev.st_uid != w->attr.st_uid 3421 || prev.st_uid != w->attr.st_uid
3051 || w->prev.st_gid != w->attr.st_gid 3422 || prev.st_gid != w->attr.st_gid
3052 || w->prev.st_rdev != w->attr.st_rdev 3423 || prev.st_rdev != w->attr.st_rdev
3053 || w->prev.st_size != w->attr.st_size 3424 || prev.st_size != w->attr.st_size
3054 || w->prev.st_atime != w->attr.st_atime 3425 || prev.st_atime != w->attr.st_atime
3055 || w->prev.st_mtime != w->attr.st_mtime 3426 || prev.st_mtime != w->attr.st_mtime
3056 || w->prev.st_ctime != w->attr.st_ctime 3427 || prev.st_ctime != w->attr.st_ctime
3057 ) { 3428 ) {
3429 /* we only update w->prev on actual differences */
3430 /* in case we test more often than invoke the callback, */
3431 /* to ensure that prev is always different to attr */
3432 w->prev = prev;
3433
3058 #if EV_USE_INOTIFY 3434 #if EV_USE_INOTIFY
3059 if (fs_fd >= 0) 3435 if (fs_fd >= 0)
3060 { 3436 {
3061 infy_del (EV_A_ w); 3437 infy_del (EV_A_ w);
3062 infy_add (EV_A_ w); 3438 infy_add (EV_A_ w);
… …
3087 3463
3088 if (fs_fd >= 0) 3464 if (fs_fd >= 0)
3089 infy_add (EV_A_ w); 3465 infy_add (EV_A_ w);
3090 else 3466 else
3091#endif 3467#endif
3468 {
3092 ev_timer_again (EV_A_ &w->timer); 3469 ev_timer_again (EV_A_ &w->timer);
3470 ev_unref (EV_A);
3471 }
3093 3472
3094 ev_start (EV_A_ (W)w, 1); 3473 ev_start (EV_A_ (W)w, 1);
3095 3474
3096 EV_FREQUENT_CHECK; 3475 EV_FREQUENT_CHECK;
3097} 3476}
… …
3106 EV_FREQUENT_CHECK; 3485 EV_FREQUENT_CHECK;
3107 3486
3108#if EV_USE_INOTIFY 3487#if EV_USE_INOTIFY
3109 infy_del (EV_A_ w); 3488 infy_del (EV_A_ w);
3110#endif 3489#endif
3490
3491 if (ev_is_active (&w->timer))
3492 {
3493 ev_ref (EV_A);
3111 ev_timer_stop (EV_A_ &w->timer); 3494 ev_timer_stop (EV_A_ &w->timer);
3495 }
3112 3496
3113 ev_stop (EV_A_ (W)w); 3497 ev_stop (EV_A_ (W)w);
3114 3498
3115 EV_FREQUENT_CHECK; 3499 EV_FREQUENT_CHECK;
3116} 3500}
… …
3161 3545
3162 EV_FREQUENT_CHECK; 3546 EV_FREQUENT_CHECK;
3163} 3547}
3164#endif 3548#endif
3165 3549
3550#if EV_PREPARE_ENABLE
3166void 3551void
3167ev_prepare_start (EV_P_ ev_prepare *w) 3552ev_prepare_start (EV_P_ ev_prepare *w)
3168{ 3553{
3169 if (expect_false (ev_is_active (w))) 3554 if (expect_false (ev_is_active (w)))
3170 return; 3555 return;
… …
3196 3581
3197 ev_stop (EV_A_ (W)w); 3582 ev_stop (EV_A_ (W)w);
3198 3583
3199 EV_FREQUENT_CHECK; 3584 EV_FREQUENT_CHECK;
3200} 3585}
3586#endif
3201 3587
3588#if EV_CHECK_ENABLE
3202void 3589void
3203ev_check_start (EV_P_ ev_check *w) 3590ev_check_start (EV_P_ ev_check *w)
3204{ 3591{
3205 if (expect_false (ev_is_active (w))) 3592 if (expect_false (ev_is_active (w)))
3206 return; 3593 return;
… …
3232 3619
3233 ev_stop (EV_A_ (W)w); 3620 ev_stop (EV_A_ (W)w);
3234 3621
3235 EV_FREQUENT_CHECK; 3622 EV_FREQUENT_CHECK;
3236} 3623}
3624#endif
3237 3625
3238#if EV_EMBED_ENABLE 3626#if EV_EMBED_ENABLE
3239void noinline 3627void noinline
3240ev_embed_sweep (EV_P_ ev_embed *w) 3628ev_embed_sweep (EV_P_ ev_embed *w)
3241{ 3629{
3242 ev_loop (w->other, EVLOOP_NONBLOCK); 3630 ev_run (w->other, EVRUN_NOWAIT);
3243} 3631}
3244 3632
3245static void 3633static void
3246embed_io_cb (EV_P_ ev_io *io, int revents) 3634embed_io_cb (EV_P_ ev_io *io, int revents)
3247{ 3635{
3248 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3636 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3249 3637
3250 if (ev_cb (w)) 3638 if (ev_cb (w))
3251 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3639 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3252 else 3640 else
3253 ev_loop (w->other, EVLOOP_NONBLOCK); 3641 ev_run (w->other, EVRUN_NOWAIT);
3254} 3642}
3255 3643
3256static void 3644static void
3257embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3645embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3258{ 3646{
… …
3262 EV_P = w->other; 3650 EV_P = w->other;
3263 3651
3264 while (fdchangecnt) 3652 while (fdchangecnt)
3265 { 3653 {
3266 fd_reify (EV_A); 3654 fd_reify (EV_A);
3267 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3655 ev_run (EV_A_ EVRUN_NOWAIT);
3268 } 3656 }
3269 } 3657 }
3270} 3658}
3271 3659
3272static void 3660static void
… …
3278 3666
3279 { 3667 {
3280 EV_P = w->other; 3668 EV_P = w->other;
3281 3669
3282 ev_loop_fork (EV_A); 3670 ev_loop_fork (EV_A);
3283 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3671 ev_run (EV_A_ EVRUN_NOWAIT);
3284 } 3672 }
3285 3673
3286 ev_embed_start (EV_A_ w); 3674 ev_embed_start (EV_A_ w);
3287} 3675}
3288 3676
… …
3336 3724
3337 ev_io_stop (EV_A_ &w->io); 3725 ev_io_stop (EV_A_ &w->io);
3338 ev_prepare_stop (EV_A_ &w->prepare); 3726 ev_prepare_stop (EV_A_ &w->prepare);
3339 ev_fork_stop (EV_A_ &w->fork); 3727 ev_fork_stop (EV_A_ &w->fork);
3340 3728
3729 ev_stop (EV_A_ (W)w);
3730
3341 EV_FREQUENT_CHECK; 3731 EV_FREQUENT_CHECK;
3342} 3732}
3343#endif 3733#endif
3344 3734
3345#if EV_FORK_ENABLE 3735#if EV_FORK_ENABLE
… …
3378 3768
3379 EV_FREQUENT_CHECK; 3769 EV_FREQUENT_CHECK;
3380} 3770}
3381#endif 3771#endif
3382 3772
3773#if EV_CLEANUP_ENABLE
3774void
3775ev_cleanup_start (EV_P_ ev_cleanup *w)
3776{
3777 if (expect_false (ev_is_active (w)))
3778 return;
3779
3780 EV_FREQUENT_CHECK;
3781
3782 ev_start (EV_A_ (W)w, ++cleanupcnt);
3783 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3784 cleanups [cleanupcnt - 1] = w;
3785
3786 /* cleanup watchers should never keep a refcount on the loop */
3787 ev_unref (EV_A);
3788 EV_FREQUENT_CHECK;
3789}
3790
3791void
3792ev_cleanup_stop (EV_P_ ev_cleanup *w)
3793{
3794 clear_pending (EV_A_ (W)w);
3795 if (expect_false (!ev_is_active (w)))
3796 return;
3797
3798 EV_FREQUENT_CHECK;
3799 ev_ref (EV_A);
3800
3801 {
3802 int active = ev_active (w);
3803
3804 cleanups [active - 1] = cleanups [--cleanupcnt];
3805 ev_active (cleanups [active - 1]) = active;
3806 }
3807
3808 ev_stop (EV_A_ (W)w);
3809
3810 EV_FREQUENT_CHECK;
3811}
3812#endif
3813
3383#if EV_ASYNC_ENABLE 3814#if EV_ASYNC_ENABLE
3384void 3815void
3385ev_async_start (EV_P_ ev_async *w) 3816ev_async_start (EV_P_ ev_async *w)
3386{ 3817{
3387 if (expect_false (ev_is_active (w))) 3818 if (expect_false (ev_is_active (w)))
3388 return; 3819 return;
3820
3821 w->sent = 0;
3389 3822
3390 evpipe_init (EV_A); 3823 evpipe_init (EV_A);
3391 3824
3392 EV_FREQUENT_CHECK; 3825 EV_FREQUENT_CHECK;
3393 3826
… …
3471{ 3904{
3472 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3905 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3473 3906
3474 if (expect_false (!once)) 3907 if (expect_false (!once))
3475 { 3908 {
3476 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3909 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3477 return; 3910 return;
3478 } 3911 }
3479 3912
3480 once->cb = cb; 3913 once->cb = cb;
3481 once->arg = arg; 3914 once->arg = arg;
… …
3496} 3929}
3497 3930
3498/*****************************************************************************/ 3931/*****************************************************************************/
3499 3932
3500#if EV_WALK_ENABLE 3933#if EV_WALK_ENABLE
3501void 3934void ecb_cold
3502ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) 3935ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))
3503{ 3936{
3504 int i, j; 3937 int i, j;
3505 ev_watcher_list *wl, *wn; 3938 ev_watcher_list *wl, *wn;
3506 3939
… …
3568 if (types & EV_ASYNC) 4001 if (types & EV_ASYNC)
3569 for (i = asynccnt; i--; ) 4002 for (i = asynccnt; i--; )
3570 cb (EV_A_ EV_ASYNC, asyncs [i]); 4003 cb (EV_A_ EV_ASYNC, asyncs [i]);
3571#endif 4004#endif
3572 4005
4006#if EV_PREPARE_ENABLE
3573 if (types & EV_PREPARE) 4007 if (types & EV_PREPARE)
3574 for (i = preparecnt; i--; ) 4008 for (i = preparecnt; i--; )
3575#if EV_EMBED_ENABLE 4009# if EV_EMBED_ENABLE
3576 if (ev_cb (prepares [i]) != embed_prepare_cb) 4010 if (ev_cb (prepares [i]) != embed_prepare_cb)
3577#endif 4011# endif
3578 cb (EV_A_ EV_PREPARE, prepares [i]); 4012 cb (EV_A_ EV_PREPARE, prepares [i]);
4013#endif
3579 4014
4015#if EV_CHECK_ENABLE
3580 if (types & EV_CHECK) 4016 if (types & EV_CHECK)
3581 for (i = checkcnt; i--; ) 4017 for (i = checkcnt; i--; )
3582 cb (EV_A_ EV_CHECK, checks [i]); 4018 cb (EV_A_ EV_CHECK, checks [i]);
4019#endif
3583 4020
4021#if EV_SIGNAL_ENABLE
3584 if (types & EV_SIGNAL) 4022 if (types & EV_SIGNAL)
3585 for (i = 0; i < EV_NSIG - 1; ++i) 4023 for (i = 0; i < EV_NSIG - 1; ++i)
3586 for (wl = signals [i].head; wl; ) 4024 for (wl = signals [i].head; wl; )
3587 { 4025 {
3588 wn = wl->next; 4026 wn = wl->next;
3589 cb (EV_A_ EV_SIGNAL, wl); 4027 cb (EV_A_ EV_SIGNAL, wl);
3590 wl = wn; 4028 wl = wn;
3591 } 4029 }
4030#endif
3592 4031
4032#if EV_CHILD_ENABLE
3593 if (types & EV_CHILD) 4033 if (types & EV_CHILD)
3594 for (i = EV_PID_HASHSIZE; i--; ) 4034 for (i = (EV_PID_HASHSIZE); i--; )
3595 for (wl = childs [i]; wl; ) 4035 for (wl = childs [i]; wl; )
3596 { 4036 {
3597 wn = wl->next; 4037 wn = wl->next;
3598 cb (EV_A_ EV_CHILD, wl); 4038 cb (EV_A_ EV_CHILD, wl);
3599 wl = wn; 4039 wl = wn;
3600 } 4040 }
4041#endif
3601/* EV_STAT 0x00001000 /* stat data changed */ 4042/* EV_STAT 0x00001000 /* stat data changed */
3602/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 4043/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3603} 4044}
3604#endif 4045#endif
3605 4046
3606#if EV_MULTIPLICITY 4047#if EV_MULTIPLICITY
3607 #include "ev_wrap.h" 4048 #include "ev_wrap.h"
3608#endif 4049#endif
3609 4050
3610#ifdef __cplusplus 4051EV_CPP(})
3611}
3612#endif
3613 4052

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