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

Comparing libev/ev.c (file contents):
Revision 1.331 by root, Tue Mar 9 08:55:03 2010 UTC vs.
Revision 1.360 by root, Sun Oct 24 18:12:41 2010 UTC

35 * and other provisions required by the GPL. If you do not delete the 35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under 36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL. 37 * either the BSD or the GPL.
38 */ 38 */
39 39
40#ifdef __cplusplus
41extern "C" {
42#endif
43
44/* this big block deduces configuration from config.h */ 40/* this big block deduces configuration from config.h */
45#ifndef EV_STANDALONE 41#ifndef EV_STANDALONE
46# ifdef EV_CONFIG_H 42# ifdef EV_CONFIG_H
47# include EV_CONFIG_H 43# include EV_CONFIG_H
48# else 44# else
77# ifndef EV_USE_REALTIME 73# ifndef EV_USE_REALTIME
78# define EV_USE_REALTIME 0 74# define EV_USE_REALTIME 0
79# endif 75# endif
80# endif 76# endif
81 77
78# if HAVE_NANOSLEEP
82# ifndef EV_USE_NANOSLEEP 79# ifndef EV_USE_NANOSLEEP
83# if HAVE_NANOSLEEP
84# define EV_USE_NANOSLEEP 1 80# define EV_USE_NANOSLEEP EV_FEATURE_OS
81# endif
85# else 82# else
83# undef EV_USE_NANOSLEEP
86# define EV_USE_NANOSLEEP 0 84# define EV_USE_NANOSLEEP 0
85# endif
86
87# if HAVE_SELECT && HAVE_SYS_SELECT_H
88# ifndef EV_USE_SELECT
89# define EV_USE_SELECT EV_FEATURE_BACKENDS
87# endif 90# endif
91# else
92# undef EV_USE_SELECT
93# define EV_USE_SELECT 0
88# endif 94# endif
89 95
96# if HAVE_POLL && HAVE_POLL_H
90# ifndef EV_USE_SELECT 97# ifndef EV_USE_POLL
91# if HAVE_SELECT && HAVE_SYS_SELECT_H 98# define EV_USE_POLL EV_FEATURE_BACKENDS
92# define EV_USE_SELECT 1
93# else
94# define EV_USE_SELECT 0
95# endif 99# endif
96# endif
97
98# ifndef EV_USE_POLL
99# if HAVE_POLL && HAVE_POLL_H
100# define EV_USE_POLL 1
101# else 100# else
101# undef EV_USE_POLL
102# define EV_USE_POLL 0 102# define EV_USE_POLL 0
103# endif
104# endif 103# endif
105 104
106# ifndef EV_USE_EPOLL
107# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 105# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
108# define EV_USE_EPOLL 1 106# ifndef EV_USE_EPOLL
109# else 107# define EV_USE_EPOLL EV_FEATURE_BACKENDS
110# define EV_USE_EPOLL 0
111# endif 108# endif
109# else
110# undef EV_USE_EPOLL
111# define EV_USE_EPOLL 0
112# endif 112# endif
113 113
114# ifndef EV_USE_KQUEUE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 114# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
116# define EV_USE_KQUEUE 1 115# ifndef EV_USE_KQUEUE
117# else 116# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
118# define EV_USE_KQUEUE 0
119# endif 117# endif
118# else
119# undef EV_USE_KQUEUE
120# define EV_USE_KQUEUE 0
120# endif 121# endif
121 122
122# ifndef EV_USE_PORT
123# if HAVE_PORT_H && HAVE_PORT_CREATE 123# if HAVE_PORT_H && HAVE_PORT_CREATE
124# define EV_USE_PORT 1 124# ifndef EV_USE_PORT
125# else 125# define EV_USE_PORT EV_FEATURE_BACKENDS
126# define EV_USE_PORT 0
127# endif 126# endif
127# else
128# undef EV_USE_PORT
129# define EV_USE_PORT 0
128# endif 130# endif
129 131
130# ifndef EV_USE_INOTIFY
131# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H 132# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132# define EV_USE_INOTIFY 1 133# ifndef EV_USE_INOTIFY
133# else
134# define EV_USE_INOTIFY 0 134# define EV_USE_INOTIFY EV_FEATURE_OS
135# endif 135# endif
136# else
137# undef EV_USE_INOTIFY
138# define EV_USE_INOTIFY 0
136# endif 139# endif
137 140
138# ifndef EV_USE_SIGNALFD
139# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H 141# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140# define EV_USE_SIGNALFD 1 142# ifndef EV_USE_SIGNALFD
141# else
142# define EV_USE_SIGNALFD 0 143# define EV_USE_SIGNALFD EV_FEATURE_OS
143# endif 144# endif
145# else
146# undef EV_USE_SIGNALFD
147# define EV_USE_SIGNALFD 0
144# endif 148# endif
145 149
150# if HAVE_EVENTFD
146# ifndef EV_USE_EVENTFD 151# ifndef EV_USE_EVENTFD
147# if HAVE_EVENTFD
148# define EV_USE_EVENTFD 1 152# define EV_USE_EVENTFD EV_FEATURE_OS
149# else
150# define EV_USE_EVENTFD 0
151# endif 153# endif
154# else
155# undef EV_USE_EVENTFD
156# define EV_USE_EVENTFD 0
152# endif 157# endif
153 158
154#endif 159#endif
155 160
156#include <math.h> 161#include <math.h>
172#ifdef EV_H 177#ifdef EV_H
173# include EV_H 178# include EV_H
174#else 179#else
175# include "ev.h" 180# include "ev.h"
176#endif 181#endif
182
183EV_CPP(extern "C" {)
177 184
178#ifndef _WIN32 185#ifndef _WIN32
179# include <sys/time.h> 186# include <sys/time.h>
180# include <sys/wait.h> 187# include <sys/wait.h>
181# include <unistd.h> 188# include <unistd.h>
186# ifndef EV_SELECT_IS_WINSOCKET 193# ifndef EV_SELECT_IS_WINSOCKET
187# define EV_SELECT_IS_WINSOCKET 1 194# define EV_SELECT_IS_WINSOCKET 1
188# endif 195# endif
189# undef EV_AVOID_STDIO 196# undef EV_AVOID_STDIO
190#endif 197#endif
198
199/* OS X, in its infinite idiocy, actually HARDCODES
200 * a limit of 1024 into their select. Where people have brains,
201 * OS X engineers apparently have a vacuum. Or maybe they were
202 * ordered to have a vacuum, or they do anything for money.
203 * This might help. Or not.
204 */
205#define _DARWIN_UNLIMITED_SELECT 1
191 206
192/* this block tries to deduce configuration from header-defined symbols and defaults */ 207/* this block tries to deduce configuration from header-defined symbols and defaults */
193 208
194/* try to deduce the maximum number of signals on this platform */ 209/* try to deduce the maximum number of signals on this platform */
195#if defined (EV_NSIG) 210#if defined (EV_NSIG)
207#elif defined (MAXSIG) 222#elif defined (MAXSIG)
208# define EV_NSIG (MAXSIG+1) 223# define EV_NSIG (MAXSIG+1)
209#elif defined (MAX_SIG) 224#elif defined (MAX_SIG)
210# define EV_NSIG (MAX_SIG+1) 225# define EV_NSIG (MAX_SIG+1)
211#elif defined (SIGARRAYSIZE) 226#elif defined (SIGARRAYSIZE)
212# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 227# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
213#elif defined (_sys_nsig) 228#elif defined (_sys_nsig)
214# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 229# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
215#else 230#else
216# error "unable to find value for NSIG, please report" 231# error "unable to find value for NSIG, please report"
217/* to make it compile regardless, just remove the above line */ 232/* to make it compile regardless, just remove the above line, */
233/* but consider reporting it, too! :) */
218# define EV_NSIG 65 234# define EV_NSIG 65
219#endif 235#endif
220 236
221#ifndef EV_USE_CLOCK_SYSCALL 237#ifndef EV_USE_CLOCK_SYSCALL
222# if __linux && __GLIBC__ >= 2 238# if __linux && __GLIBC__ >= 2
223# define EV_USE_CLOCK_SYSCALL 1 239# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
224# else 240# else
225# define EV_USE_CLOCK_SYSCALL 0 241# define EV_USE_CLOCK_SYSCALL 0
226# endif 242# endif
227#endif 243#endif
228 244
229#ifndef EV_USE_MONOTONIC 245#ifndef EV_USE_MONOTONIC
230# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 246# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
231# define EV_USE_MONOTONIC 1 247# define EV_USE_MONOTONIC EV_FEATURE_OS
232# else 248# else
233# define EV_USE_MONOTONIC 0 249# define EV_USE_MONOTONIC 0
234# endif 250# endif
235#endif 251#endif
236 252
238# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 254# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
239#endif 255#endif
240 256
241#ifndef EV_USE_NANOSLEEP 257#ifndef EV_USE_NANOSLEEP
242# if _POSIX_C_SOURCE >= 199309L 258# if _POSIX_C_SOURCE >= 199309L
243# define EV_USE_NANOSLEEP 1 259# define EV_USE_NANOSLEEP EV_FEATURE_OS
244# else 260# else
245# define EV_USE_NANOSLEEP 0 261# define EV_USE_NANOSLEEP 0
246# endif 262# endif
247#endif 263#endif
248 264
249#ifndef EV_USE_SELECT 265#ifndef EV_USE_SELECT
250# define EV_USE_SELECT 1 266# define EV_USE_SELECT EV_FEATURE_BACKENDS
251#endif 267#endif
252 268
253#ifndef EV_USE_POLL 269#ifndef EV_USE_POLL
254# ifdef _WIN32 270# ifdef _WIN32
255# define EV_USE_POLL 0 271# define EV_USE_POLL 0
256# else 272# else
257# define EV_USE_POLL 1 273# define EV_USE_POLL EV_FEATURE_BACKENDS
258# endif 274# endif
259#endif 275#endif
260 276
261#ifndef EV_USE_EPOLL 277#ifndef EV_USE_EPOLL
262# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 278# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
263# define EV_USE_EPOLL 1 279# define EV_USE_EPOLL EV_FEATURE_BACKENDS
264# else 280# else
265# define EV_USE_EPOLL 0 281# define EV_USE_EPOLL 0
266# endif 282# endif
267#endif 283#endif
268 284
274# define EV_USE_PORT 0 290# define EV_USE_PORT 0
275#endif 291#endif
276 292
277#ifndef EV_USE_INOTIFY 293#ifndef EV_USE_INOTIFY
278# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 294# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
279# define EV_USE_INOTIFY 1 295# define EV_USE_INOTIFY EV_FEATURE_OS
280# else 296# else
281# define EV_USE_INOTIFY 0 297# define EV_USE_INOTIFY 0
282# endif 298# endif
283#endif 299#endif
284 300
285#ifndef EV_PID_HASHSIZE 301#ifndef EV_PID_HASHSIZE
286# if EV_MINIMAL 302# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
287# define EV_PID_HASHSIZE 1
288# else
289# define EV_PID_HASHSIZE 16
290# endif
291#endif 303#endif
292 304
293#ifndef EV_INOTIFY_HASHSIZE 305#ifndef EV_INOTIFY_HASHSIZE
294# if EV_MINIMAL 306# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
295# define EV_INOTIFY_HASHSIZE 1
296# else
297# define EV_INOTIFY_HASHSIZE 16
298# endif
299#endif 307#endif
300 308
301#ifndef EV_USE_EVENTFD 309#ifndef EV_USE_EVENTFD
302# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 310# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
303# define EV_USE_EVENTFD 1 311# define EV_USE_EVENTFD EV_FEATURE_OS
304# else 312# else
305# define EV_USE_EVENTFD 0 313# define EV_USE_EVENTFD 0
306# endif 314# endif
307#endif 315#endif
308 316
309#ifndef EV_USE_SIGNALFD 317#ifndef EV_USE_SIGNALFD
310# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 318# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
311# define EV_USE_SIGNALFD 1 319# define EV_USE_SIGNALFD EV_FEATURE_OS
312# else 320# else
313# define EV_USE_SIGNALFD 0 321# define EV_USE_SIGNALFD 0
314# endif 322# endif
315#endif 323#endif
316 324
319# define EV_USE_4HEAP 1 327# define EV_USE_4HEAP 1
320# define EV_HEAP_CACHE_AT 1 328# define EV_HEAP_CACHE_AT 1
321#endif 329#endif
322 330
323#ifndef EV_VERIFY 331#ifndef EV_VERIFY
324# define EV_VERIFY !EV_MINIMAL 332# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
325#endif 333#endif
326 334
327#ifndef EV_USE_4HEAP 335#ifndef EV_USE_4HEAP
328# define EV_USE_4HEAP !EV_MINIMAL 336# define EV_USE_4HEAP EV_FEATURE_DATA
329#endif 337#endif
330 338
331#ifndef EV_HEAP_CACHE_AT 339#ifndef EV_HEAP_CACHE_AT
332# define EV_HEAP_CACHE_AT !EV_MINIMAL 340# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
333#endif 341#endif
334 342
335/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 343/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
336/* which makes programs even slower. might work on other unices, too. */ 344/* which makes programs even slower. might work on other unices, too. */
337#if EV_USE_CLOCK_SYSCALL 345#if EV_USE_CLOCK_SYSCALL
374# include <sys/select.h> 382# include <sys/select.h>
375# endif 383# endif
376#endif 384#endif
377 385
378#if EV_USE_INOTIFY 386#if EV_USE_INOTIFY
379# include <sys/utsname.h>
380# include <sys/statfs.h> 387# include <sys/statfs.h>
381# include <sys/inotify.h> 388# include <sys/inotify.h>
382/* some very old inotify.h headers don't have IN_DONT_FOLLOW */ 389/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
383# ifndef IN_DONT_FOLLOW 390# ifndef IN_DONT_FOLLOW
384# undef EV_USE_INOTIFY 391# undef EV_USE_INOTIFY
401# define EFD_CLOEXEC O_CLOEXEC 408# define EFD_CLOEXEC O_CLOEXEC
402# else 409# else
403# define EFD_CLOEXEC 02000000 410# define EFD_CLOEXEC 02000000
404# endif 411# endif
405# endif 412# endif
406# ifdef __cplusplus
407extern "C" {
408# endif
409int (eventfd) (unsigned int initval, int flags); 413EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags);
410# ifdef __cplusplus
411}
412# endif
413#endif 414#endif
414 415
415#if EV_USE_SIGNALFD 416#if EV_USE_SIGNALFD
416/* our minimum requirement is glibc 2.7 which has the stub, but not the header */ 417/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
417# include <stdint.h> 418# include <stdint.h>
423# define SFD_CLOEXEC O_CLOEXEC 424# define SFD_CLOEXEC O_CLOEXEC
424# else 425# else
425# define SFD_CLOEXEC 02000000 426# define SFD_CLOEXEC 02000000
426# endif 427# endif
427# endif 428# endif
428# ifdef __cplusplus
429extern "C" {
430# endif
431int signalfd (int fd, const sigset_t *mask, int flags); 429EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags);
432 430
433struct signalfd_siginfo 431struct signalfd_siginfo
434{ 432{
435 uint32_t ssi_signo; 433 uint32_t ssi_signo;
436 char pad[128 - sizeof (uint32_t)]; 434 char pad[128 - sizeof (uint32_t)];
437}; 435};
438# ifdef __cplusplus
439}
440# endif 436#endif
441#endif
442
443 437
444/**/ 438/**/
445 439
446#if EV_VERIFY >= 3 440#if EV_VERIFY >= 3
447# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 441# define EV_FREQUENT_CHECK ev_verify (EV_A)
448#else 442#else
449# define EV_FREQUENT_CHECK do { } while (0) 443# define EV_FREQUENT_CHECK do { } while (0)
450#endif 444#endif
451 445
452/* 446/*
460#define TIME_EPSILON 0.0001220703125 /* 1/8192 */ 454#define TIME_EPSILON 0.0001220703125 /* 1/8192 */
461 455
462#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ 456#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
463#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ 457#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
464 458
459#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
460#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
461
465#if __GNUC__ >= 4 462#if __GNUC__ >= 4
466# define expect(expr,value) __builtin_expect ((expr),(value)) 463# define expect(expr,value) __builtin_expect ((expr),(value))
467# define noinline __attribute__ ((noinline)) 464# define noinline __attribute__ ((noinline))
468#else 465#else
469# define expect(expr,value) (expr) 466# define expect(expr,value) (expr)
475 472
476#define expect_false(expr) expect ((expr) != 0, 0) 473#define expect_false(expr) expect ((expr) != 0, 0)
477#define expect_true(expr) expect ((expr) != 0, 1) 474#define expect_true(expr) expect ((expr) != 0, 1)
478#define inline_size static inline 475#define inline_size static inline
479 476
480#if EV_MINIMAL 477#if EV_FEATURE_CODE
478# define inline_speed static inline
479#else
481# define inline_speed static noinline 480# define inline_speed static noinline
482#else
483# define inline_speed static inline
484#endif 481#endif
485 482
486#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 483#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
487 484
488#if EV_MINPRI == EV_MAXPRI 485#if EV_MINPRI == EV_MAXPRI
501#define ev_active(w) ((W)(w))->active 498#define ev_active(w) ((W)(w))->active
502#define ev_at(w) ((WT)(w))->at 499#define ev_at(w) ((WT)(w))->at
503 500
504#if EV_USE_REALTIME 501#if EV_USE_REALTIME
505/* sig_atomic_t is used to avoid per-thread variables or locking but still */ 502/* sig_atomic_t is used to avoid per-thread variables or locking but still */
506/* giving it a reasonably high chance of working on typical architetcures */ 503/* giving it a reasonably high chance of working on typical architectures */
507static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ 504static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */
508#endif 505#endif
509 506
510#if EV_USE_MONOTONIC 507#if EV_USE_MONOTONIC
511static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ 508static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */
522#endif 519#endif
523 520
524#ifdef _WIN32 521#ifdef _WIN32
525# include "ev_win32.c" 522# include "ev_win32.c"
526#endif 523#endif
524
525/*****************************************************************************/
526
527#ifdef __linux
528# include <sys/utsname.h>
529#endif
530
531static unsigned int noinline
532ev_linux_version (void)
533{
534#ifdef __linux
535 unsigned int v = 0;
536 struct utsname buf;
537 int i;
538 char *p = buf.release;
539
540 if (uname (&buf))
541 return 0;
542
543 for (i = 3+1; --i; )
544 {
545 unsigned int c = 0;
546
547 for (;;)
548 {
549 if (*p >= '0' && *p <= '9')
550 c = c * 10 + *p++ - '0';
551 else
552 {
553 p += *p == '.';
554 break;
555 }
556 }
557
558 v = (v << 8) | c;
559 }
560
561 return v;
562#else
563 return 0;
564#endif
565}
527 566
528/*****************************************************************************/ 567/*****************************************************************************/
529 568
530#if EV_AVOID_STDIO 569#if EV_AVOID_STDIO
531static void noinline 570static void noinline
568} 607}
569 608
570static void * 609static void *
571ev_realloc_emul (void *ptr, long size) 610ev_realloc_emul (void *ptr, long size)
572{ 611{
612#if __GLIBC__
613 return realloc (ptr, size);
614#else
573 /* some systems, notably openbsd and darwin, fail to properly 615 /* some systems, notably openbsd and darwin, fail to properly
574 * implement realloc (x, 0) (as required by both ansi c-98 and 616 * implement realloc (x, 0) (as required by both ansi c-89 and
575 * the single unix specification, so work around them here. 617 * the single unix specification, so work around them here.
576 */ 618 */
577 619
578 if (size) 620 if (size)
579 return realloc (ptr, size); 621 return realloc (ptr, size);
580 622
581 free (ptr); 623 free (ptr);
582 return 0; 624 return 0;
625#endif
583} 626}
584 627
585static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 628static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
586 629
587void 630void
625 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ 668 unsigned char emask; /* the epoll backend stores the actual kernel mask in here */
626 unsigned char unused; 669 unsigned char unused;
627#if EV_USE_EPOLL 670#if EV_USE_EPOLL
628 unsigned int egen; /* generation counter to counter epoll bugs */ 671 unsigned int egen; /* generation counter to counter epoll bugs */
629#endif 672#endif
630#if EV_SELECT_IS_WINSOCKET 673#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
631 SOCKET handle; 674 SOCKET handle;
675#endif
676#if EV_USE_IOCP
677 OVERLAPPED or, ow;
632#endif 678#endif
633} ANFD; 679} ANFD;
634 680
635/* stores the pending event set for a given watcher */ 681/* stores the pending event set for a given watcher */
636typedef struct 682typedef struct
691 737
692 static int ev_default_loop_ptr; 738 static int ev_default_loop_ptr;
693 739
694#endif 740#endif
695 741
696#if EV_MINIMAL < 2 742#if EV_FEATURE_API
697# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 743# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
698# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 744# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
699# define EV_INVOKE_PENDING invoke_cb (EV_A) 745# define EV_INVOKE_PENDING invoke_cb (EV_A)
700#else 746#else
701# define EV_RELEASE_CB (void)0 747# define EV_RELEASE_CB (void)0
702# define EV_ACQUIRE_CB (void)0 748# define EV_ACQUIRE_CB (void)0
703# define EV_INVOKE_PENDING ev_invoke_pending (EV_A) 749# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
704#endif 750#endif
705 751
706#define EVUNLOOP_RECURSE 0x80 752#define EVBREAK_RECURSE 0x80
707 753
708/*****************************************************************************/ 754/*****************************************************************************/
709 755
710#ifndef EV_HAVE_EV_TIME 756#ifndef EV_HAVE_EV_TIME
711ev_tstamp 757ev_tstamp
755 if (delay > 0.) 801 if (delay > 0.)
756 { 802 {
757#if EV_USE_NANOSLEEP 803#if EV_USE_NANOSLEEP
758 struct timespec ts; 804 struct timespec ts;
759 805
760 ts.tv_sec = (time_t)delay; 806 EV_TS_SET (ts, delay);
761 ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9);
762
763 nanosleep (&ts, 0); 807 nanosleep (&ts, 0);
764#elif defined(_WIN32) 808#elif defined(_WIN32)
765 Sleep ((unsigned long)(delay * 1e3)); 809 Sleep ((unsigned long)(delay * 1e3));
766#else 810#else
767 struct timeval tv; 811 struct timeval tv;
768 812
769 tv.tv_sec = (time_t)delay;
770 tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6);
771
772 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 813 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
773 /* something not guaranteed by newer posix versions, but guaranteed */ 814 /* something not guaranteed by newer posix versions, but guaranteed */
774 /* by older ones */ 815 /* by older ones */
816 EV_TV_SET (tv, delay);
775 select (0, 0, 0, 0, &tv); 817 select (0, 0, 0, 0, &tv);
776#endif 818#endif
777 } 819 }
778} 820}
779 821
780/*****************************************************************************/ 822/*****************************************************************************/
781 823
782#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ 824#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */
783 825
784/* find a suitable new size for the given array, */ 826/* find a suitable new size for the given array, */
785/* hopefully by rounding to a ncie-to-malloc size */ 827/* hopefully by rounding to a nice-to-malloc size */
786inline_size int 828inline_size int
787array_nextsize (int elem, int cur, int cnt) 829array_nextsize (int elem, int cur, int cnt)
788{ 830{
789 int ncur = cur + 1; 831 int ncur = cur + 1;
790 832
886} 928}
887 929
888/*****************************************************************************/ 930/*****************************************************************************/
889 931
890inline_speed void 932inline_speed void
891fd_event_nc (EV_P_ int fd, int revents) 933fd_event_nocheck (EV_P_ int fd, int revents)
892{ 934{
893 ANFD *anfd = anfds + fd; 935 ANFD *anfd = anfds + fd;
894 ev_io *w; 936 ev_io *w;
895 937
896 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 938 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
908fd_event (EV_P_ int fd, int revents) 950fd_event (EV_P_ int fd, int revents)
909{ 951{
910 ANFD *anfd = anfds + fd; 952 ANFD *anfd = anfds + fd;
911 953
912 if (expect_true (!anfd->reify)) 954 if (expect_true (!anfd->reify))
913 fd_event_nc (EV_A_ fd, revents); 955 fd_event_nocheck (EV_A_ fd, revents);
914} 956}
915 957
916void 958void
917ev_feed_fd_event (EV_P_ int fd, int revents) 959ev_feed_fd_event (EV_P_ int fd, int revents)
918{ 960{
919 if (fd >= 0 && fd < anfdmax) 961 if (fd >= 0 && fd < anfdmax)
920 fd_event_nc (EV_A_ fd, revents); 962 fd_event_nocheck (EV_A_ fd, revents);
921} 963}
922 964
923/* make sure the external fd watch events are in-sync */ 965/* make sure the external fd watch events are in-sync */
924/* with the kernel/libev internal state */ 966/* with the kernel/libev internal state */
925inline_size void 967inline_size void
931 { 973 {
932 int fd = fdchanges [i]; 974 int fd = fdchanges [i];
933 ANFD *anfd = anfds + fd; 975 ANFD *anfd = anfds + fd;
934 ev_io *w; 976 ev_io *w;
935 977
936 unsigned char events = 0; 978 unsigned char o_events = anfd->events;
979 unsigned char o_reify = anfd->reify;
937 980
938 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 981 anfd->reify = 0;
939 events |= (unsigned char)w->events;
940 982
941#if EV_SELECT_IS_WINSOCKET 983#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
942 if (events) 984 if (o_reify & EV__IOFDSET)
943 { 985 {
944 unsigned long arg; 986 unsigned long arg;
945 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); 987 anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
946 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); 988 assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
989 printf ("oi %d %x\n", fd, anfd->handle);//D
947 } 990 }
948#endif 991#endif
949 992
993 /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
950 { 994 {
951 unsigned char o_events = anfd->events;
952 unsigned char o_reify = anfd->reify;
953
954 anfd->reify = 0;
955 anfd->events = events; 995 anfd->events = 0;
956 996
957 if (o_events != events || o_reify & EV__IOFDSET) 997 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
998 anfd->events |= (unsigned char)w->events;
999
1000 if (o_events != anfd->events)
1001 o_reify = EV__IOFDSET; /* actually |= */
1002 }
1003
1004 if (o_reify & EV__IOFDSET)
958 backend_modify (EV_A_ fd, o_events, events); 1005 backend_modify (EV_A_ fd, o_events, anfd->events);
959 }
960 } 1006 }
961 1007
962 fdchangecnt = 0; 1008 fdchangecnt = 0;
963} 1009}
964 1010
988 ev_io_stop (EV_A_ w); 1034 ev_io_stop (EV_A_ w);
989 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 1035 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
990 } 1036 }
991} 1037}
992 1038
993/* check whether the given fd is atcually valid, for error recovery */ 1039/* check whether the given fd is actually valid, for error recovery */
994inline_size int 1040inline_size int
995fd_valid (int fd) 1041fd_valid (int fd)
996{ 1042{
997#ifdef _WIN32 1043#ifdef _WIN32
998 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 1044 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1040 anfds [fd].emask = 0; 1086 anfds [fd].emask = 0;
1041 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1087 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
1042 } 1088 }
1043} 1089}
1044 1090
1091/* used to prepare libev internal fd's */
1092/* this is not fork-safe */
1093inline_speed void
1094fd_intern (int fd)
1095{
1096#ifdef _WIN32
1097 unsigned long arg = 1;
1098 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1099#else
1100 fcntl (fd, F_SETFD, FD_CLOEXEC);
1101 fcntl (fd, F_SETFL, O_NONBLOCK);
1102#endif
1103}
1104
1045/*****************************************************************************/ 1105/*****************************************************************************/
1046 1106
1047/* 1107/*
1048 * the heap functions want a real array index. array index 0 uis guaranteed to not 1108 * the heap functions want a real array index. array index 0 is guaranteed to not
1049 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives 1109 * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives
1050 * the branching factor of the d-tree. 1110 * the branching factor of the d-tree.
1051 */ 1111 */
1052 1112
1053/* 1113/*
1201 1261
1202static ANSIG signals [EV_NSIG - 1]; 1262static ANSIG signals [EV_NSIG - 1];
1203 1263
1204/*****************************************************************************/ 1264/*****************************************************************************/
1205 1265
1206/* used to prepare libev internal fd's */ 1266#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1207/* this is not fork-safe */
1208inline_speed void
1209fd_intern (int fd)
1210{
1211#ifdef _WIN32
1212 unsigned long arg = 1;
1213 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1214#else
1215 fcntl (fd, F_SETFD, FD_CLOEXEC);
1216 fcntl (fd, F_SETFL, O_NONBLOCK);
1217#endif
1218}
1219 1267
1220static void noinline 1268static void noinline
1221evpipe_init (EV_P) 1269evpipe_init (EV_P)
1222{ 1270{
1223 if (!ev_is_active (&pipe_w)) 1271 if (!ev_is_active (&pipe_w))
1224 { 1272 {
1225#if EV_USE_EVENTFD 1273# if EV_USE_EVENTFD
1226 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1274 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1227 if (evfd < 0 && errno == EINVAL) 1275 if (evfd < 0 && errno == EINVAL)
1228 evfd = eventfd (0, 0); 1276 evfd = eventfd (0, 0);
1229 1277
1230 if (evfd >= 0) 1278 if (evfd >= 0)
1232 evpipe [0] = -1; 1280 evpipe [0] = -1;
1233 fd_intern (evfd); /* doing it twice doesn't hurt */ 1281 fd_intern (evfd); /* doing it twice doesn't hurt */
1234 ev_io_set (&pipe_w, evfd, EV_READ); 1282 ev_io_set (&pipe_w, evfd, EV_READ);
1235 } 1283 }
1236 else 1284 else
1237#endif 1285# endif
1238 { 1286 {
1239 while (pipe (evpipe)) 1287 while (pipe (evpipe))
1240 ev_syserr ("(libev) error creating signal/async pipe"); 1288 ev_syserr ("(libev) error creating signal/async pipe");
1241 1289
1242 fd_intern (evpipe [0]); 1290 fd_intern (evpipe [0]);
1253evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1301evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1254{ 1302{
1255 if (!*flag) 1303 if (!*flag)
1256 { 1304 {
1257 int old_errno = errno; /* save errno because write might clobber it */ 1305 int old_errno = errno; /* save errno because write might clobber it */
1306 char dummy;
1258 1307
1259 *flag = 1; 1308 *flag = 1;
1260 1309
1261#if EV_USE_EVENTFD 1310#if EV_USE_EVENTFD
1262 if (evfd >= 0) 1311 if (evfd >= 0)
1264 uint64_t counter = 1; 1313 uint64_t counter = 1;
1265 write (evfd, &counter, sizeof (uint64_t)); 1314 write (evfd, &counter, sizeof (uint64_t));
1266 } 1315 }
1267 else 1316 else
1268#endif 1317#endif
1318 /* win32 people keep sending patches that change this write() to send() */
1319 /* and then run away. but send() is wrong, it wants a socket handle on win32 */
1320 /* so when you think this write should be a send instead, please find out */
1321 /* where your send() is from - it's definitely not the microsoft send, and */
1322 /* tell me. thank you. */
1269 write (evpipe [1], &old_errno, 1); 1323 write (evpipe [1], &dummy, 1);
1270 1324
1271 errno = old_errno; 1325 errno = old_errno;
1272 } 1326 }
1273} 1327}
1274 1328
1287 } 1341 }
1288 else 1342 else
1289#endif 1343#endif
1290 { 1344 {
1291 char dummy; 1345 char dummy;
1346 /* see discussion in evpipe_write when you think this read should be recv in win32 */
1292 read (evpipe [0], &dummy, 1); 1347 read (evpipe [0], &dummy, 1);
1293 } 1348 }
1294 1349
1295 if (sig_pending) 1350 if (sig_pending)
1296 { 1351 {
1375 break; 1430 break;
1376 } 1431 }
1377} 1432}
1378#endif 1433#endif
1379 1434
1435#endif
1436
1380/*****************************************************************************/ 1437/*****************************************************************************/
1381 1438
1439#if EV_CHILD_ENABLE
1382static WL childs [EV_PID_HASHSIZE]; 1440static WL childs [EV_PID_HASHSIZE];
1383
1384#ifndef _WIN32
1385 1441
1386static ev_signal childev; 1442static ev_signal childev;
1387 1443
1388#ifndef WIFCONTINUED 1444#ifndef WIFCONTINUED
1389# define WIFCONTINUED(status) 0 1445# define WIFCONTINUED(status) 0
1394child_reap (EV_P_ int chain, int pid, int status) 1450child_reap (EV_P_ int chain, int pid, int status)
1395{ 1451{
1396 ev_child *w; 1452 ev_child *w;
1397 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1453 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1398 1454
1399 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1455 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1400 { 1456 {
1401 if ((w->pid == pid || !w->pid) 1457 if ((w->pid == pid || !w->pid)
1402 && (!traced || (w->flags & 1))) 1458 && (!traced || (w->flags & 1)))
1403 { 1459 {
1404 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1460 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
1429 /* make sure we are called again until all children have been reaped */ 1485 /* make sure we are called again until all children have been reaped */
1430 /* we need to do it this way so that the callback gets called before we continue */ 1486 /* we need to do it this way so that the callback gets called before we continue */
1431 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1487 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1432 1488
1433 child_reap (EV_A_ pid, pid, status); 1489 child_reap (EV_A_ pid, pid, status);
1434 if (EV_PID_HASHSIZE > 1) 1490 if ((EV_PID_HASHSIZE) > 1)
1435 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1491 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1436} 1492}
1437 1493
1438#endif 1494#endif
1439 1495
1440/*****************************************************************************/ 1496/*****************************************************************************/
1441 1497
1498#if EV_USE_IOCP
1499# include "ev_iocp.c"
1500#endif
1442#if EV_USE_PORT 1501#if EV_USE_PORT
1443# include "ev_port.c" 1502# include "ev_port.c"
1444#endif 1503#endif
1445#if EV_USE_KQUEUE 1504#if EV_USE_KQUEUE
1446# include "ev_kqueue.c" 1505# include "ev_kqueue.c"
1506#ifdef __APPLE__ 1565#ifdef __APPLE__
1507 /* only select works correctly on that "unix-certified" platform */ 1566 /* only select works correctly on that "unix-certified" platform */
1508 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1567 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1509 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1568 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1510#endif 1569#endif
1570#ifdef __FreeBSD__
1571 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1572#endif
1511 1573
1512 return flags; 1574 return flags;
1513} 1575}
1514 1576
1515unsigned int 1577unsigned int
1516ev_embeddable_backends (void) 1578ev_embeddable_backends (void)
1517{ 1579{
1518 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 1580 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1519 1581
1520 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 1582 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1521 /* please fix it and tell me how to detect the fix */ 1583 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
1522 flags &= ~EVBACKEND_EPOLL; 1584 flags &= ~EVBACKEND_EPOLL;
1523 1585
1524 return flags; 1586 return flags;
1525} 1587}
1526 1588
1527unsigned int 1589unsigned int
1528ev_backend (EV_P) 1590ev_backend (EV_P)
1529{ 1591{
1530 return backend; 1592 return backend;
1531} 1593}
1532 1594
1533#if EV_MINIMAL < 2 1595#if EV_FEATURE_API
1534unsigned int 1596unsigned int
1535ev_loop_count (EV_P) 1597ev_iteration (EV_P)
1536{ 1598{
1537 return loop_count; 1599 return loop_count;
1538} 1600}
1539 1601
1540unsigned int 1602unsigned int
1541ev_loop_depth (EV_P) 1603ev_depth (EV_P)
1542{ 1604{
1543 return loop_depth; 1605 return loop_depth;
1544} 1606}
1545 1607
1546void 1608void
1618 1680
1619 ev_rt_now = ev_time (); 1681 ev_rt_now = ev_time ();
1620 mn_now = get_clock (); 1682 mn_now = get_clock ();
1621 now_floor = mn_now; 1683 now_floor = mn_now;
1622 rtmn_diff = ev_rt_now - mn_now; 1684 rtmn_diff = ev_rt_now - mn_now;
1623#if EV_MINIMAL < 2 1685#if EV_FEATURE_API
1624 invoke_cb = ev_invoke_pending; 1686 invoke_cb = ev_invoke_pending;
1625#endif 1687#endif
1626 1688
1627 io_blocktime = 0.; 1689 io_blocktime = 0.;
1628 timeout_blocktime = 0.; 1690 timeout_blocktime = 0.;
1640#endif 1702#endif
1641 1703
1642 if (!(flags & 0x0000ffffU)) 1704 if (!(flags & 0x0000ffffU))
1643 flags |= ev_recommended_backends (); 1705 flags |= ev_recommended_backends ();
1644 1706
1707#if EV_USE_IOCP
1708 if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
1709#endif
1645#if EV_USE_PORT 1710#if EV_USE_PORT
1646 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); 1711 if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
1647#endif 1712#endif
1648#if EV_USE_KQUEUE 1713#if EV_USE_KQUEUE
1649 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); 1714 if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);
1658 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1723 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1659#endif 1724#endif
1660 1725
1661 ev_prepare_init (&pending_w, pendingcb); 1726 ev_prepare_init (&pending_w, pendingcb);
1662 1727
1728#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1663 ev_init (&pipe_w, pipecb); 1729 ev_init (&pipe_w, pipecb);
1664 ev_set_priority (&pipe_w, EV_MAXPRI); 1730 ev_set_priority (&pipe_w, EV_MAXPRI);
1731#endif
1665 } 1732 }
1666} 1733}
1667 1734
1668/* free up a loop structure */ 1735/* free up a loop structure */
1669static void noinline 1736void
1670loop_destroy (EV_P) 1737ev_loop_destroy (EV_P)
1671{ 1738{
1672 int i; 1739 int i;
1740
1741#if EV_CHILD_ENABLE
1742 if (ev_is_active (&childev))
1743 {
1744 ev_ref (EV_A); /* child watcher */
1745 ev_signal_stop (EV_A_ &childev);
1746 }
1747#endif
1673 1748
1674 if (ev_is_active (&pipe_w)) 1749 if (ev_is_active (&pipe_w))
1675 { 1750 {
1676 /*ev_ref (EV_A);*/ 1751 /*ev_ref (EV_A);*/
1677 /*ev_io_stop (EV_A_ &pipe_w);*/ 1752 /*ev_io_stop (EV_A_ &pipe_w);*/
1699#endif 1774#endif
1700 1775
1701 if (backend_fd >= 0) 1776 if (backend_fd >= 0)
1702 close (backend_fd); 1777 close (backend_fd);
1703 1778
1779#if EV_USE_IOCP
1780 if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
1781#endif
1704#if EV_USE_PORT 1782#if EV_USE_PORT
1705 if (backend == EVBACKEND_PORT ) port_destroy (EV_A); 1783 if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
1706#endif 1784#endif
1707#if EV_USE_KQUEUE 1785#if EV_USE_KQUEUE
1708 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); 1786 if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);
1735 array_free (periodic, EMPTY); 1813 array_free (periodic, EMPTY);
1736#endif 1814#endif
1737#if EV_FORK_ENABLE 1815#if EV_FORK_ENABLE
1738 array_free (fork, EMPTY); 1816 array_free (fork, EMPTY);
1739#endif 1817#endif
1818#if EV_CLEANUP_ENABLE
1819 array_free (cleanup, EMPTY);
1820#endif
1740 array_free (prepare, EMPTY); 1821 array_free (prepare, EMPTY);
1741 array_free (check, EMPTY); 1822 array_free (check, EMPTY);
1742#if EV_ASYNC_ENABLE 1823#if EV_ASYNC_ENABLE
1743 array_free (async, EMPTY); 1824 array_free (async, EMPTY);
1744#endif 1825#endif
1745 1826
1746 backend = 0; 1827 backend = 0;
1828
1829#if EV_MULTIPLICITY
1830 if (ev_is_default_loop (EV_A))
1831#endif
1832 ev_default_loop_ptr = 0;
1833#if EV_MULTIPLICITY
1834 else
1835 ev_free (EV_A);
1836#endif
1747} 1837}
1748 1838
1749#if EV_USE_INOTIFY 1839#if EV_USE_INOTIFY
1750inline_size void infy_fork (EV_P); 1840inline_size void infy_fork (EV_P);
1751#endif 1841#endif
1787 { 1877 {
1788 EV_WIN32_CLOSE_FD (evpipe [0]); 1878 EV_WIN32_CLOSE_FD (evpipe [0]);
1789 EV_WIN32_CLOSE_FD (evpipe [1]); 1879 EV_WIN32_CLOSE_FD (evpipe [1]);
1790 } 1880 }
1791 1881
1882#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1792 evpipe_init (EV_A); 1883 evpipe_init (EV_A);
1793 /* now iterate over everything, in case we missed something */ 1884 /* now iterate over everything, in case we missed something */
1794 pipecb (EV_A_ &pipe_w, EV_READ); 1885 pipecb (EV_A_ &pipe_w, EV_READ);
1886#endif
1795 } 1887 }
1796 1888
1797 postfork = 0; 1889 postfork = 0;
1798} 1890}
1799 1891
1808 loop_init (EV_A_ flags); 1900 loop_init (EV_A_ flags);
1809 1901
1810 if (ev_backend (EV_A)) 1902 if (ev_backend (EV_A))
1811 return EV_A; 1903 return EV_A;
1812 1904
1905 ev_free (EV_A);
1813 return 0; 1906 return 0;
1814} 1907}
1815 1908
1816void
1817ev_loop_destroy (EV_P)
1818{
1819 loop_destroy (EV_A);
1820 ev_free (loop);
1821}
1822
1823void
1824ev_loop_fork (EV_P)
1825{
1826 postfork = 1; /* must be in line with ev_default_fork */
1827}
1828#endif /* multiplicity */ 1909#endif /* multiplicity */
1829 1910
1830#if EV_VERIFY 1911#if EV_VERIFY
1831static void noinline 1912static void noinline
1832verify_watcher (EV_P_ W w) 1913verify_watcher (EV_P_ W w)
1861 verify_watcher (EV_A_ ws [cnt]); 1942 verify_watcher (EV_A_ ws [cnt]);
1862 } 1943 }
1863} 1944}
1864#endif 1945#endif
1865 1946
1866#if EV_MINIMAL < 2 1947#if EV_FEATURE_API
1867void 1948void
1868ev_loop_verify (EV_P) 1949ev_verify (EV_P)
1869{ 1950{
1870#if EV_VERIFY 1951#if EV_VERIFY
1871 int i; 1952 int i;
1872 WL w; 1953 WL w;
1873 1954
1907#if EV_FORK_ENABLE 1988#if EV_FORK_ENABLE
1908 assert (forkmax >= forkcnt); 1989 assert (forkmax >= forkcnt);
1909 array_verify (EV_A_ (W *)forks, forkcnt); 1990 array_verify (EV_A_ (W *)forks, forkcnt);
1910#endif 1991#endif
1911 1992
1993#if EV_CLEANUP_ENABLE
1994 assert (cleanupmax >= cleanupcnt);
1995 array_verify (EV_A_ (W *)cleanups, cleanupcnt);
1996#endif
1997
1912#if EV_ASYNC_ENABLE 1998#if EV_ASYNC_ENABLE
1913 assert (asyncmax >= asynccnt); 1999 assert (asyncmax >= asynccnt);
1914 array_verify (EV_A_ (W *)asyncs, asynccnt); 2000 array_verify (EV_A_ (W *)asyncs, asynccnt);
1915#endif 2001#endif
1916 2002
2003#if EV_PREPARE_ENABLE
1917 assert (preparemax >= preparecnt); 2004 assert (preparemax >= preparecnt);
1918 array_verify (EV_A_ (W *)prepares, preparecnt); 2005 array_verify (EV_A_ (W *)prepares, preparecnt);
2006#endif
1919 2007
2008#if EV_CHECK_ENABLE
1920 assert (checkmax >= checkcnt); 2009 assert (checkmax >= checkcnt);
1921 array_verify (EV_A_ (W *)checks, checkcnt); 2010 array_verify (EV_A_ (W *)checks, checkcnt);
2011#endif
1922 2012
1923# if 0 2013# if 0
2014#if EV_CHILD_ENABLE
1924 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 2015 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1925 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) 2016 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
2017#endif
1926# endif 2018# endif
1927#endif 2019#endif
1928} 2020}
1929#endif 2021#endif
1930 2022
1931#if EV_MULTIPLICITY 2023#if EV_MULTIPLICITY
1932struct ev_loop * 2024struct ev_loop *
1933ev_default_loop_init (unsigned int flags)
1934#else 2025#else
1935int 2026int
2027#endif
1936ev_default_loop (unsigned int flags) 2028ev_default_loop (unsigned int flags)
1937#endif
1938{ 2029{
1939 if (!ev_default_loop_ptr) 2030 if (!ev_default_loop_ptr)
1940 { 2031 {
1941#if EV_MULTIPLICITY 2032#if EV_MULTIPLICITY
1942 EV_P = ev_default_loop_ptr = &default_loop_struct; 2033 EV_P = ev_default_loop_ptr = &default_loop_struct;
1946 2037
1947 loop_init (EV_A_ flags); 2038 loop_init (EV_A_ flags);
1948 2039
1949 if (ev_backend (EV_A)) 2040 if (ev_backend (EV_A))
1950 { 2041 {
1951#ifndef _WIN32 2042#if EV_CHILD_ENABLE
1952 ev_signal_init (&childev, childcb, SIGCHLD); 2043 ev_signal_init (&childev, childcb, SIGCHLD);
1953 ev_set_priority (&childev, EV_MAXPRI); 2044 ev_set_priority (&childev, EV_MAXPRI);
1954 ev_signal_start (EV_A_ &childev); 2045 ev_signal_start (EV_A_ &childev);
1955 ev_unref (EV_A); /* child watcher should not keep loop alive */ 2046 ev_unref (EV_A); /* child watcher should not keep loop alive */
1956#endif 2047#endif
1961 2052
1962 return ev_default_loop_ptr; 2053 return ev_default_loop_ptr;
1963} 2054}
1964 2055
1965void 2056void
1966ev_default_destroy (void) 2057ev_loop_fork (EV_P)
1967{ 2058{
1968#if EV_MULTIPLICITY
1969 EV_P = ev_default_loop_ptr;
1970#endif
1971
1972 ev_default_loop_ptr = 0;
1973
1974#ifndef _WIN32
1975 ev_ref (EV_A); /* child watcher */
1976 ev_signal_stop (EV_A_ &childev);
1977#endif
1978
1979 loop_destroy (EV_A);
1980}
1981
1982void
1983ev_default_fork (void)
1984{
1985#if EV_MULTIPLICITY
1986 EV_P = ev_default_loop_ptr;
1987#endif
1988
1989 postfork = 1; /* must be in line with ev_loop_fork */ 2059 postfork = 1; /* must be in line with ev_default_fork */
1990} 2060}
1991 2061
1992/*****************************************************************************/ 2062/*****************************************************************************/
1993 2063
1994void 2064void
2085 EV_FREQUENT_CHECK; 2155 EV_FREQUENT_CHECK;
2086 feed_reverse (EV_A_ (W)w); 2156 feed_reverse (EV_A_ (W)w);
2087 } 2157 }
2088 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2158 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2089 2159
2090 feed_reverse_done (EV_A_ EV_TIMEOUT); 2160 feed_reverse_done (EV_A_ EV_TIMER);
2091 } 2161 }
2092} 2162}
2093 2163
2094#if EV_PERIODIC_ENABLE 2164#if EV_PERIODIC_ENABLE
2095/* make periodics pending */ 2165/* make periodics pending */
2148 feed_reverse_done (EV_A_ EV_PERIODIC); 2218 feed_reverse_done (EV_A_ EV_PERIODIC);
2149 } 2219 }
2150} 2220}
2151 2221
2152/* simply recalculate all periodics */ 2222/* simply recalculate all periodics */
2153/* TODO: maybe ensure that at leats one event happens when jumping forward? */ 2223/* TODO: maybe ensure that at least one event happens when jumping forward? */
2154static void noinline 2224static void noinline
2155periodics_reschedule (EV_P) 2225periodics_reschedule (EV_P)
2156{ 2226{
2157 int i; 2227 int i;
2158 2228
2254 mn_now = ev_rt_now; 2324 mn_now = ev_rt_now;
2255 } 2325 }
2256} 2326}
2257 2327
2258void 2328void
2259ev_loop (EV_P_ int flags) 2329ev_run (EV_P_ int flags)
2260{ 2330{
2261#if EV_MINIMAL < 2 2331#if EV_FEATURE_API
2262 ++loop_depth; 2332 ++loop_depth;
2263#endif 2333#endif
2264 2334
2265 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2335 assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE));
2266 2336
2267 loop_done = EVUNLOOP_CANCEL; 2337 loop_done = EVBREAK_CANCEL;
2268 2338
2269 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2339 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2270 2340
2271 do 2341 do
2272 { 2342 {
2273#if EV_VERIFY >= 2 2343#if EV_VERIFY >= 2
2274 ev_loop_verify (EV_A); 2344 ev_verify (EV_A);
2275#endif 2345#endif
2276 2346
2277#ifndef _WIN32 2347#ifndef _WIN32
2278 if (expect_false (curpid)) /* penalise the forking check even more */ 2348 if (expect_false (curpid)) /* penalise the forking check even more */
2279 if (expect_false (getpid () != curpid)) 2349 if (expect_false (getpid () != curpid))
2291 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2361 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2292 EV_INVOKE_PENDING; 2362 EV_INVOKE_PENDING;
2293 } 2363 }
2294#endif 2364#endif
2295 2365
2366#if EV_PREPARE_ENABLE
2296 /* queue prepare watchers (and execute them) */ 2367 /* queue prepare watchers (and execute them) */
2297 if (expect_false (preparecnt)) 2368 if (expect_false (preparecnt))
2298 { 2369 {
2299 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2370 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2300 EV_INVOKE_PENDING; 2371 EV_INVOKE_PENDING;
2301 } 2372 }
2373#endif
2302 2374
2303 if (expect_false (loop_done)) 2375 if (expect_false (loop_done))
2304 break; 2376 break;
2305 2377
2306 /* we might have forked, so reify kernel state if necessary */ 2378 /* we might have forked, so reify kernel state if necessary */
2313 /* calculate blocking time */ 2385 /* calculate blocking time */
2314 { 2386 {
2315 ev_tstamp waittime = 0.; 2387 ev_tstamp waittime = 0.;
2316 ev_tstamp sleeptime = 0.; 2388 ev_tstamp sleeptime = 0.;
2317 2389
2390 /* remember old timestamp for io_blocktime calculation */
2391 ev_tstamp prev_mn_now = mn_now;
2392
2393 /* update time to cancel out callback processing overhead */
2394 time_update (EV_A_ 1e100);
2395
2318 if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) 2396 if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))
2319 { 2397 {
2320 /* remember old timestamp for io_blocktime calculation */
2321 ev_tstamp prev_mn_now = mn_now;
2322
2323 /* update time to cancel out callback processing overhead */
2324 time_update (EV_A_ 1e100);
2325
2326 waittime = MAX_BLOCKTIME; 2398 waittime = MAX_BLOCKTIME;
2327 2399
2328 if (timercnt) 2400 if (timercnt)
2329 { 2401 {
2330 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; 2402 ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;
2357 waittime -= sleeptime; 2429 waittime -= sleeptime;
2358 } 2430 }
2359 } 2431 }
2360 } 2432 }
2361 2433
2362#if EV_MINIMAL < 2 2434#if EV_FEATURE_API
2363 ++loop_count; 2435 ++loop_count;
2364#endif 2436#endif
2365 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2437 assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2366 backend_poll (EV_A_ waittime); 2438 backend_poll (EV_A_ waittime);
2367 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2439 assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2368 2440
2369 /* update ev_rt_now, do magic */ 2441 /* update ev_rt_now, do magic */
2370 time_update (EV_A_ waittime + sleeptime); 2442 time_update (EV_A_ waittime + sleeptime);
2371 } 2443 }
2372 2444
2379#if EV_IDLE_ENABLE 2451#if EV_IDLE_ENABLE
2380 /* queue idle watchers unless other events are pending */ 2452 /* queue idle watchers unless other events are pending */
2381 idle_reify (EV_A); 2453 idle_reify (EV_A);
2382#endif 2454#endif
2383 2455
2456#if EV_CHECK_ENABLE
2384 /* queue check watchers, to be executed first */ 2457 /* queue check watchers, to be executed first */
2385 if (expect_false (checkcnt)) 2458 if (expect_false (checkcnt))
2386 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2459 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2460#endif
2387 2461
2388 EV_INVOKE_PENDING; 2462 EV_INVOKE_PENDING;
2389 } 2463 }
2390 while (expect_true ( 2464 while (expect_true (
2391 activecnt 2465 activecnt
2392 && !loop_done 2466 && !loop_done
2393 && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) 2467 && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
2394 )); 2468 ));
2395 2469
2396 if (loop_done == EVUNLOOP_ONE) 2470 if (loop_done == EVBREAK_ONE)
2397 loop_done = EVUNLOOP_CANCEL; 2471 loop_done = EVBREAK_CANCEL;
2398 2472
2399#if EV_MINIMAL < 2 2473#if EV_FEATURE_API
2400 --loop_depth; 2474 --loop_depth;
2401#endif 2475#endif
2402} 2476}
2403 2477
2404void 2478void
2405ev_unloop (EV_P_ int how) 2479ev_break (EV_P_ int how)
2406{ 2480{
2407 loop_done = how; 2481 loop_done = how;
2408} 2482}
2409 2483
2410void 2484void
2558 EV_FREQUENT_CHECK; 2632 EV_FREQUENT_CHECK;
2559 2633
2560 wlist_del (&anfds[w->fd].head, (WL)w); 2634 wlist_del (&anfds[w->fd].head, (WL)w);
2561 ev_stop (EV_A_ (W)w); 2635 ev_stop (EV_A_ (W)w);
2562 2636
2563 fd_change (EV_A_ w->fd, 1); 2637 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
2564 2638
2565 EV_FREQUENT_CHECK; 2639 EV_FREQUENT_CHECK;
2566} 2640}
2567 2641
2568void noinline 2642void noinline
2721 2795
2722#ifndef SA_RESTART 2796#ifndef SA_RESTART
2723# define SA_RESTART 0 2797# define SA_RESTART 0
2724#endif 2798#endif
2725 2799
2800#if EV_SIGNAL_ENABLE
2801
2726void noinline 2802void noinline
2727ev_signal_start (EV_P_ ev_signal *w) 2803ev_signal_start (EV_P_ ev_signal *w)
2728{ 2804{
2729 if (expect_false (ev_is_active (w))) 2805 if (expect_false (ev_is_active (w)))
2730 return; 2806 return;
2836 } 2912 }
2837 2913
2838 EV_FREQUENT_CHECK; 2914 EV_FREQUENT_CHECK;
2839} 2915}
2840 2916
2917#endif
2918
2919#if EV_CHILD_ENABLE
2920
2841void 2921void
2842ev_child_start (EV_P_ ev_child *w) 2922ev_child_start (EV_P_ ev_child *w)
2843{ 2923{
2844#if EV_MULTIPLICITY 2924#if EV_MULTIPLICITY
2845 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2925 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2848 return; 2928 return;
2849 2929
2850 EV_FREQUENT_CHECK; 2930 EV_FREQUENT_CHECK;
2851 2931
2852 ev_start (EV_A_ (W)w, 1); 2932 ev_start (EV_A_ (W)w, 1);
2853 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2933 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2854 2934
2855 EV_FREQUENT_CHECK; 2935 EV_FREQUENT_CHECK;
2856} 2936}
2857 2937
2858void 2938void
2862 if (expect_false (!ev_is_active (w))) 2942 if (expect_false (!ev_is_active (w)))
2863 return; 2943 return;
2864 2944
2865 EV_FREQUENT_CHECK; 2945 EV_FREQUENT_CHECK;
2866 2946
2867 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2947 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2868 ev_stop (EV_A_ (W)w); 2948 ev_stop (EV_A_ (W)w);
2869 2949
2870 EV_FREQUENT_CHECK; 2950 EV_FREQUENT_CHECK;
2871} 2951}
2952
2953#endif
2872 2954
2873#if EV_STAT_ENABLE 2955#if EV_STAT_ENABLE
2874 2956
2875# ifdef _WIN32 2957# ifdef _WIN32
2876# undef lstat 2958# undef lstat
2943 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 3025 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2944 } 3026 }
2945 } 3027 }
2946 3028
2947 if (w->wd >= 0) 3029 if (w->wd >= 0)
2948 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3030 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2949 3031
2950 /* now re-arm timer, if required */ 3032 /* now re-arm timer, if required */
2951 if (ev_is_active (&w->timer)) ev_ref (EV_A); 3033 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2952 ev_timer_again (EV_A_ &w->timer); 3034 ev_timer_again (EV_A_ &w->timer);
2953 if (ev_is_active (&w->timer)) ev_unref (EV_A); 3035 if (ev_is_active (&w->timer)) ev_unref (EV_A);
2961 3043
2962 if (wd < 0) 3044 if (wd < 0)
2963 return; 3045 return;
2964 3046
2965 w->wd = -2; 3047 w->wd = -2;
2966 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3048 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2967 wlist_del (&fs_hash [slot].head, (WL)w); 3049 wlist_del (&fs_hash [slot].head, (WL)w);
2968 3050
2969 /* remove this watcher, if others are watching it, they will rearm */ 3051 /* remove this watcher, if others are watching it, they will rearm */
2970 inotify_rm_watch (fs_fd, wd); 3052 inotify_rm_watch (fs_fd, wd);
2971} 3053}
2973static void noinline 3055static void noinline
2974infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3056infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2975{ 3057{
2976 if (slot < 0) 3058 if (slot < 0)
2977 /* overflow, need to check for all hash slots */ 3059 /* overflow, need to check for all hash slots */
2978 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3060 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2979 infy_wd (EV_A_ slot, wd, ev); 3061 infy_wd (EV_A_ slot, wd, ev);
2980 else 3062 else
2981 { 3063 {
2982 WL w_; 3064 WL w_;
2983 3065
2984 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3066 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2985 { 3067 {
2986 ev_stat *w = (ev_stat *)w_; 3068 ev_stat *w = (ev_stat *)w_;
2987 w_ = w_->next; /* lets us remove this watcher and all before it */ 3069 w_ = w_->next; /* lets us remove this watcher and all before it */
2988 3070
2989 if (w->wd == wd || wd == -1) 3071 if (w->wd == wd || wd == -1)
2990 { 3072 {
2991 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3073 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2992 { 3074 {
2993 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3075 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2994 w->wd = -1; 3076 w->wd = -1;
2995 infy_add (EV_A_ w); /* re-add, no matter what */ 3077 infy_add (EV_A_ w); /* re-add, no matter what */
2996 } 3078 }
2997 3079
2998 stat_timer_cb (EV_A_ &w->timer, 0); 3080 stat_timer_cb (EV_A_ &w->timer, 0);
3012 { 3094 {
3013 struct inotify_event *ev = (struct inotify_event *)(buf + ofs); 3095 struct inotify_event *ev = (struct inotify_event *)(buf + ofs);
3014 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3096 infy_wd (EV_A_ ev->wd, ev->wd, ev);
3015 ofs += sizeof (struct inotify_event) + ev->len; 3097 ofs += sizeof (struct inotify_event) + ev->len;
3016 } 3098 }
3017}
3018
3019inline_size unsigned int
3020ev_linux_version (void)
3021{
3022 struct utsname buf;
3023 unsigned int v;
3024 int i;
3025 char *p = buf.release;
3026
3027 if (uname (&buf))
3028 return 0;
3029
3030 for (i = 3+1; --i; )
3031 {
3032 unsigned int c = 0;
3033
3034 for (;;)
3035 {
3036 if (*p >= '0' && *p <= '9')
3037 c = c * 10 + *p++ - '0';
3038 else
3039 {
3040 p += *p == '.';
3041 break;
3042 }
3043 }
3044
3045 v = (v << 8) | c;
3046 }
3047
3048 return v;
3049} 3099}
3050 3100
3051inline_size void 3101inline_size void
3052ev_check_2625 (EV_P) 3102ev_check_2625 (EV_P)
3053{ 3103{
3112 ev_io_set (&fs_w, fs_fd, EV_READ); 3162 ev_io_set (&fs_w, fs_fd, EV_READ);
3113 ev_io_start (EV_A_ &fs_w); 3163 ev_io_start (EV_A_ &fs_w);
3114 ev_unref (EV_A); 3164 ev_unref (EV_A);
3115 } 3165 }
3116 3166
3117 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3167 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3118 { 3168 {
3119 WL w_ = fs_hash [slot].head; 3169 WL w_ = fs_hash [slot].head;
3120 fs_hash [slot].head = 0; 3170 fs_hash [slot].head = 0;
3121 3171
3122 while (w_) 3172 while (w_)
3297 3347
3298 EV_FREQUENT_CHECK; 3348 EV_FREQUENT_CHECK;
3299} 3349}
3300#endif 3350#endif
3301 3351
3352#if EV_PREPARE_ENABLE
3302void 3353void
3303ev_prepare_start (EV_P_ ev_prepare *w) 3354ev_prepare_start (EV_P_ ev_prepare *w)
3304{ 3355{
3305 if (expect_false (ev_is_active (w))) 3356 if (expect_false (ev_is_active (w)))
3306 return; 3357 return;
3332 3383
3333 ev_stop (EV_A_ (W)w); 3384 ev_stop (EV_A_ (W)w);
3334 3385
3335 EV_FREQUENT_CHECK; 3386 EV_FREQUENT_CHECK;
3336} 3387}
3388#endif
3337 3389
3390#if EV_CHECK_ENABLE
3338void 3391void
3339ev_check_start (EV_P_ ev_check *w) 3392ev_check_start (EV_P_ ev_check *w)
3340{ 3393{
3341 if (expect_false (ev_is_active (w))) 3394 if (expect_false (ev_is_active (w)))
3342 return; 3395 return;
3368 3421
3369 ev_stop (EV_A_ (W)w); 3422 ev_stop (EV_A_ (W)w);
3370 3423
3371 EV_FREQUENT_CHECK; 3424 EV_FREQUENT_CHECK;
3372} 3425}
3426#endif
3373 3427
3374#if EV_EMBED_ENABLE 3428#if EV_EMBED_ENABLE
3375void noinline 3429void noinline
3376ev_embed_sweep (EV_P_ ev_embed *w) 3430ev_embed_sweep (EV_P_ ev_embed *w)
3377{ 3431{
3378 ev_loop (w->other, EVLOOP_NONBLOCK); 3432 ev_run (w->other, EVRUN_NOWAIT);
3379} 3433}
3380 3434
3381static void 3435static void
3382embed_io_cb (EV_P_ ev_io *io, int revents) 3436embed_io_cb (EV_P_ ev_io *io, int revents)
3383{ 3437{
3384 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); 3438 ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io));
3385 3439
3386 if (ev_cb (w)) 3440 if (ev_cb (w))
3387 ev_feed_event (EV_A_ (W)w, EV_EMBED); 3441 ev_feed_event (EV_A_ (W)w, EV_EMBED);
3388 else 3442 else
3389 ev_loop (w->other, EVLOOP_NONBLOCK); 3443 ev_run (w->other, EVRUN_NOWAIT);
3390} 3444}
3391 3445
3392static void 3446static void
3393embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) 3447embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents)
3394{ 3448{
3398 EV_P = w->other; 3452 EV_P = w->other;
3399 3453
3400 while (fdchangecnt) 3454 while (fdchangecnt)
3401 { 3455 {
3402 fd_reify (EV_A); 3456 fd_reify (EV_A);
3403 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3457 ev_run (EV_A_ EVRUN_NOWAIT);
3404 } 3458 }
3405 } 3459 }
3406} 3460}
3407 3461
3408static void 3462static void
3414 3468
3415 { 3469 {
3416 EV_P = w->other; 3470 EV_P = w->other;
3417 3471
3418 ev_loop_fork (EV_A); 3472 ev_loop_fork (EV_A);
3419 ev_loop (EV_A_ EVLOOP_NONBLOCK); 3473 ev_run (EV_A_ EVRUN_NOWAIT);
3420 } 3474 }
3421 3475
3422 ev_embed_start (EV_A_ w); 3476 ev_embed_start (EV_A_ w);
3423} 3477}
3424 3478
3516 3570
3517 EV_FREQUENT_CHECK; 3571 EV_FREQUENT_CHECK;
3518} 3572}
3519#endif 3573#endif
3520 3574
3521#if EV_ASYNC_ENABLE 3575#if EV_CLEANUP_ENABLE
3522void 3576void
3523ev_async_start (EV_P_ ev_async *w) 3577ev_cleanup_start (EV_P_ ev_cleanup *w)
3524{ 3578{
3525 if (expect_false (ev_is_active (w))) 3579 if (expect_false (ev_is_active (w)))
3526 return; 3580 return;
3581
3582 EV_FREQUENT_CHECK;
3583
3584 ev_start (EV_A_ (W)w, ++cleanupcnt);
3585 array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);
3586 cleanups [cleanupcnt - 1] = w;
3587
3588 EV_FREQUENT_CHECK;
3589}
3590
3591void
3592ev_cleanup_stop (EV_P_ ev_cleanup *w)
3593{
3594 clear_pending (EV_A_ (W)w);
3595 if (expect_false (!ev_is_active (w)))
3596 return;
3597
3598 EV_FREQUENT_CHECK;
3599
3600 {
3601 int active = ev_active (w);
3602
3603 cleanups [active - 1] = cleanups [--cleanupcnt];
3604 ev_active (cleanups [active - 1]) = active;
3605 }
3606
3607 ev_stop (EV_A_ (W)w);
3608
3609 EV_FREQUENT_CHECK;
3610}
3611#endif
3612
3613#if EV_ASYNC_ENABLE
3614void
3615ev_async_start (EV_P_ ev_async *w)
3616{
3617 if (expect_false (ev_is_active (w)))
3618 return;
3619
3620 w->sent = 0;
3527 3621
3528 evpipe_init (EV_A); 3622 evpipe_init (EV_A);
3529 3623
3530 EV_FREQUENT_CHECK; 3624 EV_FREQUENT_CHECK;
3531 3625
3609{ 3703{
3610 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3704 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3611 3705
3612 if (expect_false (!once)) 3706 if (expect_false (!once))
3613 { 3707 {
3614 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3708 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3615 return; 3709 return;
3616 } 3710 }
3617 3711
3618 once->cb = cb; 3712 once->cb = cb;
3619 once->arg = arg; 3713 once->arg = arg;
3706 if (types & EV_ASYNC) 3800 if (types & EV_ASYNC)
3707 for (i = asynccnt; i--; ) 3801 for (i = asynccnt; i--; )
3708 cb (EV_A_ EV_ASYNC, asyncs [i]); 3802 cb (EV_A_ EV_ASYNC, asyncs [i]);
3709#endif 3803#endif
3710 3804
3805#if EV_PREPARE_ENABLE
3711 if (types & EV_PREPARE) 3806 if (types & EV_PREPARE)
3712 for (i = preparecnt; i--; ) 3807 for (i = preparecnt; i--; )
3713#if EV_EMBED_ENABLE 3808# if EV_EMBED_ENABLE
3714 if (ev_cb (prepares [i]) != embed_prepare_cb) 3809 if (ev_cb (prepares [i]) != embed_prepare_cb)
3715#endif 3810# endif
3716 cb (EV_A_ EV_PREPARE, prepares [i]); 3811 cb (EV_A_ EV_PREPARE, prepares [i]);
3812#endif
3717 3813
3814#if EV_CHECK_ENABLE
3718 if (types & EV_CHECK) 3815 if (types & EV_CHECK)
3719 for (i = checkcnt; i--; ) 3816 for (i = checkcnt; i--; )
3720 cb (EV_A_ EV_CHECK, checks [i]); 3817 cb (EV_A_ EV_CHECK, checks [i]);
3818#endif
3721 3819
3820#if EV_SIGNAL_ENABLE
3722 if (types & EV_SIGNAL) 3821 if (types & EV_SIGNAL)
3723 for (i = 0; i < EV_NSIG - 1; ++i) 3822 for (i = 0; i < EV_NSIG - 1; ++i)
3724 for (wl = signals [i].head; wl; ) 3823 for (wl = signals [i].head; wl; )
3725 { 3824 {
3726 wn = wl->next; 3825 wn = wl->next;
3727 cb (EV_A_ EV_SIGNAL, wl); 3826 cb (EV_A_ EV_SIGNAL, wl);
3728 wl = wn; 3827 wl = wn;
3729 } 3828 }
3829#endif
3730 3830
3831#if EV_CHILD_ENABLE
3731 if (types & EV_CHILD) 3832 if (types & EV_CHILD)
3732 for (i = EV_PID_HASHSIZE; i--; ) 3833 for (i = (EV_PID_HASHSIZE); i--; )
3733 for (wl = childs [i]; wl; ) 3834 for (wl = childs [i]; wl; )
3734 { 3835 {
3735 wn = wl->next; 3836 wn = wl->next;
3736 cb (EV_A_ EV_CHILD, wl); 3837 cb (EV_A_ EV_CHILD, wl);
3737 wl = wn; 3838 wl = wn;
3738 } 3839 }
3840#endif
3739/* EV_STAT 0x00001000 /* stat data changed */ 3841/* EV_STAT 0x00001000 /* stat data changed */
3740/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 3842/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3741} 3843}
3742#endif 3844#endif
3743 3845
3744#if EV_MULTIPLICITY 3846#if EV_MULTIPLICITY
3745 #include "ev_wrap.h" 3847 #include "ev_wrap.h"
3746#endif 3848#endif
3747 3849
3748#ifdef __cplusplus 3850EV_CPP(})
3749}
3750#endif
3751 3851

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines