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Comparing libev/ev.c (file contents):
Revision 1.329 by root, Tue Feb 16 09:32:39 2010 UTC vs.
Revision 1.343 by root, Fri Apr 2 21:03:46 2010 UTC

77# ifndef EV_USE_REALTIME 77# ifndef EV_USE_REALTIME
78# define EV_USE_REALTIME 0 78# define EV_USE_REALTIME 0
79# endif 79# endif
80# endif 80# endif
81 81
82# if HAVE_NANOSLEEP
82# ifndef EV_USE_NANOSLEEP 83# ifndef EV_USE_NANOSLEEP
83# if HAVE_NANOSLEEP
84# define EV_USE_NANOSLEEP 1 84# define EV_USE_NANOSLEEP EV_FEATURE_OS
85# endif
85# else 86# else
87# undef EV_USE_NANOSLEEP
86# define EV_USE_NANOSLEEP 0 88# define EV_USE_NANOSLEEP 0
89# endif
90
91# if HAVE_SELECT && HAVE_SYS_SELECT_H
92# ifndef EV_USE_SELECT
93# define EV_USE_SELECT EV_FEATURE_BACKENDS
87# endif 94# endif
88# endif
89
90# ifndef EV_USE_SELECT
91# if HAVE_SELECT && HAVE_SYS_SELECT_H
92# define EV_USE_SELECT 1
93# else 95# else
96# undef EV_USE_SELECT
94# define EV_USE_SELECT 0 97# define EV_USE_SELECT 0
98# endif
99
100# if HAVE_POLL && HAVE_POLL_H
101# ifndef EV_USE_POLL
102# define EV_USE_POLL EV_FEATURE_BACKENDS
95# endif 103# endif
96# endif
97
98# ifndef EV_USE_POLL
99# if HAVE_POLL && HAVE_POLL_H
100# define EV_USE_POLL 1
101# else 104# else
105# undef EV_USE_POLL
102# define EV_USE_POLL 0 106# define EV_USE_POLL 0
107# endif
108
109# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H
110# ifndef EV_USE_EPOLL
111# define EV_USE_EPOLL EV_FEATURE_BACKENDS
103# endif 112# endif
113# else
114# undef EV_USE_EPOLL
115# define EV_USE_EPOLL 0
104# endif 116# endif
105 117
118# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
106# ifndef EV_USE_EPOLL 119# ifndef EV_USE_KQUEUE
107# if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H 120# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
108# define EV_USE_EPOLL 1
109# else
110# define EV_USE_EPOLL 0
111# endif 121# endif
122# else
123# undef EV_USE_KQUEUE
124# define EV_USE_KQUEUE 0
112# endif 125# endif
113 126
114# ifndef EV_USE_KQUEUE 127# if HAVE_PORT_H && HAVE_PORT_CREATE
115# if HAVE_KQUEUE && HAVE_SYS_EVENT_H 128# ifndef EV_USE_PORT
116# define EV_USE_KQUEUE 1 129# define EV_USE_PORT EV_FEATURE_BACKENDS
117# else
118# define EV_USE_KQUEUE 0
119# endif 130# endif
120# endif
121
122# ifndef EV_USE_PORT
123# if HAVE_PORT_H && HAVE_PORT_CREATE
124# define EV_USE_PORT 1
125# else 131# else
132# undef EV_USE_PORT
126# define EV_USE_PORT 0 133# define EV_USE_PORT 0
134# endif
135
136# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
137# ifndef EV_USE_INOTIFY
138# define EV_USE_INOTIFY EV_FEATURE_OS
127# endif 139# endif
128# endif
129
130# ifndef EV_USE_INOTIFY
131# if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H
132# define EV_USE_INOTIFY 1
133# else 140# else
141# undef EV_USE_INOTIFY
134# define EV_USE_INOTIFY 0 142# define EV_USE_INOTIFY 0
143# endif
144
145# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
146# ifndef EV_USE_SIGNALFD
147# define EV_USE_SIGNALFD EV_FEATURE_OS
135# endif 148# endif
136# endif
137
138# ifndef EV_USE_SIGNALFD
139# if HAVE_SIGNALFD && HAVE_SYS_SIGNALFD_H
140# define EV_USE_SIGNALFD 1
141# else 149# else
150# undef EV_USE_SIGNALFD
142# define EV_USE_SIGNALFD 0 151# define EV_USE_SIGNALFD 0
152# endif
153
154# if HAVE_EVENTFD
155# ifndef EV_USE_EVENTFD
156# define EV_USE_EVENTFD EV_FEATURE_OS
143# endif 157# endif
144# endif
145
146# ifndef EV_USE_EVENTFD
147# if HAVE_EVENTFD
148# define EV_USE_EVENTFD 1
149# else 158# else
159# undef EV_USE_EVENTFD
150# define EV_USE_EVENTFD 0 160# define EV_USE_EVENTFD 0
151# endif
152# endif 161# endif
153 162
154#endif 163#endif
155 164
156#include <math.h> 165#include <math.h>
184# define WIN32_LEAN_AND_MEAN 193# define WIN32_LEAN_AND_MEAN
185# include <windows.h> 194# include <windows.h>
186# ifndef EV_SELECT_IS_WINSOCKET 195# ifndef EV_SELECT_IS_WINSOCKET
187# define EV_SELECT_IS_WINSOCKET 1 196# define EV_SELECT_IS_WINSOCKET 1
188# endif 197# endif
198# undef EV_AVOID_STDIO
189#endif 199#endif
190 200
191/* this block tries to deduce configuration from header-defined symbols and defaults */ 201/* this block tries to deduce configuration from header-defined symbols and defaults */
192 202
193/* try to deduce the maximum number of signals on this platform */ 203/* try to deduce the maximum number of signals on this platform */
206#elif defined (MAXSIG) 216#elif defined (MAXSIG)
207# define EV_NSIG (MAXSIG+1) 217# define EV_NSIG (MAXSIG+1)
208#elif defined (MAX_SIG) 218#elif defined (MAX_SIG)
209# define EV_NSIG (MAX_SIG+1) 219# define EV_NSIG (MAX_SIG+1)
210#elif defined (SIGARRAYSIZE) 220#elif defined (SIGARRAYSIZE)
211# define EV_NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */ 221# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
212#elif defined (_sys_nsig) 222#elif defined (_sys_nsig)
213# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */ 223# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
214#else 224#else
215# error "unable to find value for NSIG, please report" 225# error "unable to find value for NSIG, please report"
216/* to make it compile regardless, just remove the above line */ 226/* to make it compile regardless, just remove the above line, */
227/* but consider reporting it, too! :) */
217# define EV_NSIG 65 228# define EV_NSIG 65
218#endif 229#endif
219 230
220#ifndef EV_USE_CLOCK_SYSCALL 231#ifndef EV_USE_CLOCK_SYSCALL
221# if __linux && __GLIBC__ >= 2 232# if __linux && __GLIBC__ >= 2
222# define EV_USE_CLOCK_SYSCALL 1 233# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
223# else 234# else
224# define EV_USE_CLOCK_SYSCALL 0 235# define EV_USE_CLOCK_SYSCALL 0
225# endif 236# endif
226#endif 237#endif
227 238
228#ifndef EV_USE_MONOTONIC 239#ifndef EV_USE_MONOTONIC
229# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0 240# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
230# define EV_USE_MONOTONIC 1 241# define EV_USE_MONOTONIC EV_FEATURE_OS
231# else 242# else
232# define EV_USE_MONOTONIC 0 243# define EV_USE_MONOTONIC 0
233# endif 244# endif
234#endif 245#endif
235 246
237# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL 248# define EV_USE_REALTIME !EV_USE_CLOCK_SYSCALL
238#endif 249#endif
239 250
240#ifndef EV_USE_NANOSLEEP 251#ifndef EV_USE_NANOSLEEP
241# if _POSIX_C_SOURCE >= 199309L 252# if _POSIX_C_SOURCE >= 199309L
242# define EV_USE_NANOSLEEP 1 253# define EV_USE_NANOSLEEP EV_FEATURE_OS
243# else 254# else
244# define EV_USE_NANOSLEEP 0 255# define EV_USE_NANOSLEEP 0
245# endif 256# endif
246#endif 257#endif
247 258
248#ifndef EV_USE_SELECT 259#ifndef EV_USE_SELECT
249# define EV_USE_SELECT 1 260# define EV_USE_SELECT EV_FEATURE_BACKENDS
250#endif 261#endif
251 262
252#ifndef EV_USE_POLL 263#ifndef EV_USE_POLL
253# ifdef _WIN32 264# ifdef _WIN32
254# define EV_USE_POLL 0 265# define EV_USE_POLL 0
255# else 266# else
256# define EV_USE_POLL 1 267# define EV_USE_POLL EV_FEATURE_BACKENDS
257# endif 268# endif
258#endif 269#endif
259 270
260#ifndef EV_USE_EPOLL 271#ifndef EV_USE_EPOLL
261# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 272# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
262# define EV_USE_EPOLL 1 273# define EV_USE_EPOLL EV_FEATURE_BACKENDS
263# else 274# else
264# define EV_USE_EPOLL 0 275# define EV_USE_EPOLL 0
265# endif 276# endif
266#endif 277#endif
267 278
273# define EV_USE_PORT 0 284# define EV_USE_PORT 0
274#endif 285#endif
275 286
276#ifndef EV_USE_INOTIFY 287#ifndef EV_USE_INOTIFY
277# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) 288# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
278# define EV_USE_INOTIFY 1 289# define EV_USE_INOTIFY EV_FEATURE_OS
279# else 290# else
280# define EV_USE_INOTIFY 0 291# define EV_USE_INOTIFY 0
281# endif 292# endif
282#endif 293#endif
283 294
284#ifndef EV_PID_HASHSIZE 295#ifndef EV_PID_HASHSIZE
285# if EV_MINIMAL 296# define EV_PID_HASHSIZE EV_FEATURE_DATA ? 16 : 1
286# define EV_PID_HASHSIZE 1
287# else
288# define EV_PID_HASHSIZE 16
289# endif
290#endif 297#endif
291 298
292#ifndef EV_INOTIFY_HASHSIZE 299#ifndef EV_INOTIFY_HASHSIZE
293# if EV_MINIMAL 300# define EV_INOTIFY_HASHSIZE EV_FEATURE_DATA ? 16 : 1
294# define EV_INOTIFY_HASHSIZE 1
295# else
296# define EV_INOTIFY_HASHSIZE 16
297# endif
298#endif 301#endif
299 302
300#ifndef EV_USE_EVENTFD 303#ifndef EV_USE_EVENTFD
301# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 304# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
302# define EV_USE_EVENTFD 1 305# define EV_USE_EVENTFD EV_FEATURE_OS
303# else 306# else
304# define EV_USE_EVENTFD 0 307# define EV_USE_EVENTFD 0
305# endif 308# endif
306#endif 309#endif
307 310
308#ifndef EV_USE_SIGNALFD 311#ifndef EV_USE_SIGNALFD
309# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7)) 312# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 7))
310# define EV_USE_SIGNALFD 1 313# define EV_USE_SIGNALFD EV_FEATURE_OS
311# else 314# else
312# define EV_USE_SIGNALFD 0 315# define EV_USE_SIGNALFD 0
313# endif 316# endif
314#endif 317#endif
315 318
318# define EV_USE_4HEAP 1 321# define EV_USE_4HEAP 1
319# define EV_HEAP_CACHE_AT 1 322# define EV_HEAP_CACHE_AT 1
320#endif 323#endif
321 324
322#ifndef EV_VERIFY 325#ifndef EV_VERIFY
323# define EV_VERIFY !EV_MINIMAL 326# define EV_VERIFY (EV_FEATURE_API ? 1 : 0)
324#endif 327#endif
325 328
326#ifndef EV_USE_4HEAP 329#ifndef EV_USE_4HEAP
327# define EV_USE_4HEAP !EV_MINIMAL 330# define EV_USE_4HEAP EV_FEATURE_DATA
328#endif 331#endif
329 332
330#ifndef EV_HEAP_CACHE_AT 333#ifndef EV_HEAP_CACHE_AT
331# define EV_HEAP_CACHE_AT !EV_MINIMAL 334# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
332#endif 335#endif
333 336
334/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */ 337/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
335/* which makes programs even slower. might work on other unices, too. */ 338/* which makes programs even slower. might work on other unices, too. */
336#if EV_USE_CLOCK_SYSCALL 339#if EV_USE_CLOCK_SYSCALL
441 444
442 445
443/**/ 446/**/
444 447
445#if EV_VERIFY >= 3 448#if EV_VERIFY >= 3
446# define EV_FREQUENT_CHECK ev_loop_verify (EV_A) 449# define EV_FREQUENT_CHECK ev_verify (EV_A)
447#else 450#else
448# define EV_FREQUENT_CHECK do { } while (0) 451# define EV_FREQUENT_CHECK do { } while (0)
449#endif 452#endif
450 453
451/* 454/*
474 477
475#define expect_false(expr) expect ((expr) != 0, 0) 478#define expect_false(expr) expect ((expr) != 0, 0)
476#define expect_true(expr) expect ((expr) != 0, 1) 479#define expect_true(expr) expect ((expr) != 0, 1)
477#define inline_size static inline 480#define inline_size static inline
478 481
479#if EV_MINIMAL 482#if EV_FEATURE_CODE
483# define inline_speed static inline
484#else
480# define inline_speed static noinline 485# define inline_speed static noinline
481#else
482# define inline_speed static inline
483#endif 486#endif
484 487
485#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 488#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
486 489
487#if EV_MINPRI == EV_MAXPRI 490#if EV_MINPRI == EV_MAXPRI
524# include "ev_win32.c" 527# include "ev_win32.c"
525#endif 528#endif
526 529
527/*****************************************************************************/ 530/*****************************************************************************/
528 531
532#if EV_AVOID_STDIO
533static void noinline
534ev_printerr (const char *msg)
535{
536 write (STDERR_FILENO, msg, strlen (msg));
537}
538#endif
539
529static void (*syserr_cb)(const char *msg); 540static void (*syserr_cb)(const char *msg);
530 541
531void 542void
532ev_set_syserr_cb (void (*cb)(const char *msg)) 543ev_set_syserr_cb (void (*cb)(const char *msg))
533{ 544{
542 553
543 if (syserr_cb) 554 if (syserr_cb)
544 syserr_cb (msg); 555 syserr_cb (msg);
545 else 556 else
546 { 557 {
558#if EV_AVOID_STDIO
559 const char *err = strerror (errno);
560
561 ev_printerr (msg);
562 ev_printerr (": ");
563 ev_printerr (err);
564 ev_printerr ("\n");
565#else
547 perror (msg); 566 perror (msg);
567#endif
548 abort (); 568 abort ();
549 } 569 }
550} 570}
551 571
552static void * 572static void *
553ev_realloc_emul (void *ptr, long size) 573ev_realloc_emul (void *ptr, long size)
554{ 574{
575#if __GLIBC__
576 return realloc (ptr, size);
577#else
555 /* some systems, notably openbsd and darwin, fail to properly 578 /* some systems, notably openbsd and darwin, fail to properly
556 * implement realloc (x, 0) (as required by both ansi c-98 and 579 * implement realloc (x, 0) (as required by both ansi c-89 and
557 * the single unix specification, so work around them here. 580 * the single unix specification, so work around them here.
558 */ 581 */
559 582
560 if (size) 583 if (size)
561 return realloc (ptr, size); 584 return realloc (ptr, size);
562 585
563 free (ptr); 586 free (ptr);
564 return 0; 587 return 0;
588#endif
565} 589}
566 590
567static void *(*alloc)(void *ptr, long size) = ev_realloc_emul; 591static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
568 592
569void 593void
577{ 601{
578 ptr = alloc (ptr, size); 602 ptr = alloc (ptr, size);
579 603
580 if (!ptr && size) 604 if (!ptr && size)
581 { 605 {
606#if EV_AVOID_STDIO
607 ev_printerr ("libev: memory allocation failed, aborting.\n");
608#else
582 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); 609 fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
610#endif
583 abort (); 611 abort ();
584 } 612 }
585 613
586 return ptr; 614 return ptr;
587} 615}
669 697
670 static int ev_default_loop_ptr; 698 static int ev_default_loop_ptr;
671 699
672#endif 700#endif
673 701
674#if EV_MINIMAL < 2 702#if EV_FEATURE_API
675# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A) 703# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)
676# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A) 704# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)
677# define EV_INVOKE_PENDING invoke_cb (EV_A) 705# define EV_INVOKE_PENDING invoke_cb (EV_A)
678#else 706#else
679# define EV_RELEASE_CB (void)0 707# define EV_RELEASE_CB (void)0
864} 892}
865 893
866/*****************************************************************************/ 894/*****************************************************************************/
867 895
868inline_speed void 896inline_speed void
869fd_event_nc (EV_P_ int fd, int revents) 897fd_event_nocheck (EV_P_ int fd, int revents)
870{ 898{
871 ANFD *anfd = anfds + fd; 899 ANFD *anfd = anfds + fd;
872 ev_io *w; 900 ev_io *w;
873 901
874 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) 902 for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
886fd_event (EV_P_ int fd, int revents) 914fd_event (EV_P_ int fd, int revents)
887{ 915{
888 ANFD *anfd = anfds + fd; 916 ANFD *anfd = anfds + fd;
889 917
890 if (expect_true (!anfd->reify)) 918 if (expect_true (!anfd->reify))
891 fd_event_nc (EV_A_ fd, revents); 919 fd_event_nocheck (EV_A_ fd, revents);
892} 920}
893 921
894void 922void
895ev_feed_fd_event (EV_P_ int fd, int revents) 923ev_feed_fd_event (EV_P_ int fd, int revents)
896{ 924{
897 if (fd >= 0 && fd < anfdmax) 925 if (fd >= 0 && fd < anfdmax)
898 fd_event_nc (EV_A_ fd, revents); 926 fd_event_nocheck (EV_A_ fd, revents);
899} 927}
900 928
901/* make sure the external fd watch events are in-sync */ 929/* make sure the external fd watch events are in-sync */
902/* with the kernel/libev internal state */ 930/* with the kernel/libev internal state */
903inline_size void 931inline_size void
966 ev_io_stop (EV_A_ w); 994 ev_io_stop (EV_A_ w);
967 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 995 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
968 } 996 }
969} 997}
970 998
971/* check whether the given fd is atcually valid, for error recovery */ 999/* check whether the given fd is actually valid, for error recovery */
972inline_size int 1000inline_size int
973fd_valid (int fd) 1001fd_valid (int fd)
974{ 1002{
975#ifdef _WIN32 1003#ifdef _WIN32
976 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 1004 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1016 { 1044 {
1017 anfds [fd].events = 0; 1045 anfds [fd].events = 0;
1018 anfds [fd].emask = 0; 1046 anfds [fd].emask = 0;
1019 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY); 1047 fd_change (EV_A_ fd, EV__IOFDSET | EV_ANFD_REIFY);
1020 } 1048 }
1049}
1050
1051/* used to prepare libev internal fd's */
1052/* this is not fork-safe */
1053inline_speed void
1054fd_intern (int fd)
1055{
1056#ifdef _WIN32
1057 unsigned long arg = 1;
1058 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1059#else
1060 fcntl (fd, F_SETFD, FD_CLOEXEC);
1061 fcntl (fd, F_SETFL, O_NONBLOCK);
1062#endif
1021} 1063}
1022 1064
1023/*****************************************************************************/ 1065/*****************************************************************************/
1024 1066
1025/* 1067/*
1179 1221
1180static ANSIG signals [EV_NSIG - 1]; 1222static ANSIG signals [EV_NSIG - 1];
1181 1223
1182/*****************************************************************************/ 1224/*****************************************************************************/
1183 1225
1184/* used to prepare libev internal fd's */ 1226#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1185/* this is not fork-safe */
1186inline_speed void
1187fd_intern (int fd)
1188{
1189#ifdef _WIN32
1190 unsigned long arg = 1;
1191 ioctlsocket (EV_FD_TO_WIN32_HANDLE (fd), FIONBIO, &arg);
1192#else
1193 fcntl (fd, F_SETFD, FD_CLOEXEC);
1194 fcntl (fd, F_SETFL, O_NONBLOCK);
1195#endif
1196}
1197 1227
1198static void noinline 1228static void noinline
1199evpipe_init (EV_P) 1229evpipe_init (EV_P)
1200{ 1230{
1201 if (!ev_is_active (&pipe_w)) 1231 if (!ev_is_active (&pipe_w))
1202 { 1232 {
1203#if EV_USE_EVENTFD 1233# if EV_USE_EVENTFD
1204 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC); 1234 evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1205 if (evfd < 0 && errno == EINVAL) 1235 if (evfd < 0 && errno == EINVAL)
1206 evfd = eventfd (0, 0); 1236 evfd = eventfd (0, 0);
1207 1237
1208 if (evfd >= 0) 1238 if (evfd >= 0)
1210 evpipe [0] = -1; 1240 evpipe [0] = -1;
1211 fd_intern (evfd); /* doing it twice doesn't hurt */ 1241 fd_intern (evfd); /* doing it twice doesn't hurt */
1212 ev_io_set (&pipe_w, evfd, EV_READ); 1242 ev_io_set (&pipe_w, evfd, EV_READ);
1213 } 1243 }
1214 else 1244 else
1215#endif 1245# endif
1216 { 1246 {
1217 while (pipe (evpipe)) 1247 while (pipe (evpipe))
1218 ev_syserr ("(libev) error creating signal/async pipe"); 1248 ev_syserr ("(libev) error creating signal/async pipe");
1219 1249
1220 fd_intern (evpipe [0]); 1250 fd_intern (evpipe [0]);
1231evpipe_write (EV_P_ EV_ATOMIC_T *flag) 1261evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1232{ 1262{
1233 if (!*flag) 1263 if (!*flag)
1234 { 1264 {
1235 int old_errno = errno; /* save errno because write might clobber it */ 1265 int old_errno = errno; /* save errno because write might clobber it */
1266 char dummy;
1236 1267
1237 *flag = 1; 1268 *flag = 1;
1238 1269
1239#if EV_USE_EVENTFD 1270#if EV_USE_EVENTFD
1240 if (evfd >= 0) 1271 if (evfd >= 0)
1242 uint64_t counter = 1; 1273 uint64_t counter = 1;
1243 write (evfd, &counter, sizeof (uint64_t)); 1274 write (evfd, &counter, sizeof (uint64_t));
1244 } 1275 }
1245 else 1276 else
1246#endif 1277#endif
1247 write (evpipe [1], &old_errno, 1); 1278 write (evpipe [1], &dummy, 1);
1248 1279
1249 errno = old_errno; 1280 errno = old_errno;
1250 } 1281 }
1251} 1282}
1252 1283
1353 break; 1384 break;
1354 } 1385 }
1355} 1386}
1356#endif 1387#endif
1357 1388
1389#endif
1390
1358/*****************************************************************************/ 1391/*****************************************************************************/
1359 1392
1393#if EV_CHILD_ENABLE
1360static WL childs [EV_PID_HASHSIZE]; 1394static WL childs [EV_PID_HASHSIZE];
1361
1362#ifndef _WIN32
1363 1395
1364static ev_signal childev; 1396static ev_signal childev;
1365 1397
1366#ifndef WIFCONTINUED 1398#ifndef WIFCONTINUED
1367# define WIFCONTINUED(status) 0 1399# define WIFCONTINUED(status) 0
1372child_reap (EV_P_ int chain, int pid, int status) 1404child_reap (EV_P_ int chain, int pid, int status)
1373{ 1405{
1374 ev_child *w; 1406 ev_child *w;
1375 int traced = WIFSTOPPED (status) || WIFCONTINUED (status); 1407 int traced = WIFSTOPPED (status) || WIFCONTINUED (status);
1376 1408
1377 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1409 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1378 { 1410 {
1379 if ((w->pid == pid || !w->pid) 1411 if ((w->pid == pid || !w->pid)
1380 && (!traced || (w->flags & 1))) 1412 && (!traced || (w->flags & 1)))
1381 { 1413 {
1382 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */ 1414 ev_set_priority (w, EV_MAXPRI); /* need to do it *now*, this *must* be the same prio as the signal watcher itself */
1407 /* make sure we are called again until all children have been reaped */ 1439 /* make sure we are called again until all children have been reaped */
1408 /* we need to do it this way so that the callback gets called before we continue */ 1440 /* we need to do it this way so that the callback gets called before we continue */
1409 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); 1441 ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
1410 1442
1411 child_reap (EV_A_ pid, pid, status); 1443 child_reap (EV_A_ pid, pid, status);
1412 if (EV_PID_HASHSIZE > 1) 1444 if ((EV_PID_HASHSIZE) > 1)
1413 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ 1445 child_reap (EV_A_ 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */
1414} 1446}
1415 1447
1416#endif 1448#endif
1417 1449
1484#ifdef __APPLE__ 1516#ifdef __APPLE__
1485 /* only select works correctly on that "unix-certified" platform */ 1517 /* only select works correctly on that "unix-certified" platform */
1486 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ 1518 flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */
1487 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ 1519 flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */
1488#endif 1520#endif
1521#ifdef __FreeBSD__
1522 flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
1523#endif
1489 1524
1490 return flags; 1525 return flags;
1491} 1526}
1492 1527
1493unsigned int 1528unsigned int
1506ev_backend (EV_P) 1541ev_backend (EV_P)
1507{ 1542{
1508 return backend; 1543 return backend;
1509} 1544}
1510 1545
1511#if EV_MINIMAL < 2 1546#if EV_FEATURE_API
1512unsigned int 1547unsigned int
1513ev_loop_count (EV_P) 1548ev_iteration (EV_P)
1514{ 1549{
1515 return loop_count; 1550 return loop_count;
1516} 1551}
1517 1552
1518unsigned int 1553unsigned int
1519ev_loop_depth (EV_P) 1554ev_depth (EV_P)
1520{ 1555{
1521 return loop_depth; 1556 return loop_depth;
1522} 1557}
1523 1558
1524void 1559void
1596 1631
1597 ev_rt_now = ev_time (); 1632 ev_rt_now = ev_time ();
1598 mn_now = get_clock (); 1633 mn_now = get_clock ();
1599 now_floor = mn_now; 1634 now_floor = mn_now;
1600 rtmn_diff = ev_rt_now - mn_now; 1635 rtmn_diff = ev_rt_now - mn_now;
1601#if EV_MINIMAL < 2 1636#if EV_FEATURE_API
1602 invoke_cb = ev_invoke_pending; 1637 invoke_cb = ev_invoke_pending;
1603#endif 1638#endif
1604 1639
1605 io_blocktime = 0.; 1640 io_blocktime = 0.;
1606 timeout_blocktime = 0.; 1641 timeout_blocktime = 0.;
1636 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); 1671 if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);
1637#endif 1672#endif
1638 1673
1639 ev_prepare_init (&pending_w, pendingcb); 1674 ev_prepare_init (&pending_w, pendingcb);
1640 1675
1676#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1641 ev_init (&pipe_w, pipecb); 1677 ev_init (&pipe_w, pipecb);
1642 ev_set_priority (&pipe_w, EV_MAXPRI); 1678 ev_set_priority (&pipe_w, EV_MAXPRI);
1679#endif
1643 } 1680 }
1644} 1681}
1645 1682
1646/* free up a loop structure */ 1683/* free up a loop structure */
1647static void noinline 1684static void noinline
1765 { 1802 {
1766 EV_WIN32_CLOSE_FD (evpipe [0]); 1803 EV_WIN32_CLOSE_FD (evpipe [0]);
1767 EV_WIN32_CLOSE_FD (evpipe [1]); 1804 EV_WIN32_CLOSE_FD (evpipe [1]);
1768 } 1805 }
1769 1806
1807#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1770 evpipe_init (EV_A); 1808 evpipe_init (EV_A);
1771 /* now iterate over everything, in case we missed something */ 1809 /* now iterate over everything, in case we missed something */
1772 pipecb (EV_A_ &pipe_w, EV_READ); 1810 pipecb (EV_A_ &pipe_w, EV_READ);
1811#endif
1773 } 1812 }
1774 1813
1775 postfork = 0; 1814 postfork = 0;
1776} 1815}
1777 1816
1839 verify_watcher (EV_A_ ws [cnt]); 1878 verify_watcher (EV_A_ ws [cnt]);
1840 } 1879 }
1841} 1880}
1842#endif 1881#endif
1843 1882
1844#if EV_MINIMAL < 2 1883#if EV_FEATURE_API
1845void 1884void
1846ev_loop_verify (EV_P) 1885ev_verify (EV_P)
1847{ 1886{
1848#if EV_VERIFY 1887#if EV_VERIFY
1849 int i; 1888 int i;
1850 WL w; 1889 WL w;
1851 1890
1890#if EV_ASYNC_ENABLE 1929#if EV_ASYNC_ENABLE
1891 assert (asyncmax >= asynccnt); 1930 assert (asyncmax >= asynccnt);
1892 array_verify (EV_A_ (W *)asyncs, asynccnt); 1931 array_verify (EV_A_ (W *)asyncs, asynccnt);
1893#endif 1932#endif
1894 1933
1934#if EV_PREPARE_ENABLE
1895 assert (preparemax >= preparecnt); 1935 assert (preparemax >= preparecnt);
1896 array_verify (EV_A_ (W *)prepares, preparecnt); 1936 array_verify (EV_A_ (W *)prepares, preparecnt);
1937#endif
1897 1938
1939#if EV_CHECK_ENABLE
1898 assert (checkmax >= checkcnt); 1940 assert (checkmax >= checkcnt);
1899 array_verify (EV_A_ (W *)checks, checkcnt); 1941 array_verify (EV_A_ (W *)checks, checkcnt);
1942#endif
1900 1943
1901# if 0 1944# if 0
1945#if EV_CHILD_ENABLE
1902 for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) 1946 for (w = (ev_child *)childs [chain & ((EV_PID_HASHSIZE) - 1)]; w; w = (ev_child *)((WL)w)->next)
1903 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending) 1947 for (signum = EV_NSIG; signum--; ) if (signals [signum].pending)
1948#endif
1904# endif 1949# endif
1905#endif 1950#endif
1906} 1951}
1907#endif 1952#endif
1908 1953
1924 1969
1925 loop_init (EV_A_ flags); 1970 loop_init (EV_A_ flags);
1926 1971
1927 if (ev_backend (EV_A)) 1972 if (ev_backend (EV_A))
1928 { 1973 {
1929#ifndef _WIN32 1974#if EV_CHILD_ENABLE
1930 ev_signal_init (&childev, childcb, SIGCHLD); 1975 ev_signal_init (&childev, childcb, SIGCHLD);
1931 ev_set_priority (&childev, EV_MAXPRI); 1976 ev_set_priority (&childev, EV_MAXPRI);
1932 ev_signal_start (EV_A_ &childev); 1977 ev_signal_start (EV_A_ &childev);
1933 ev_unref (EV_A); /* child watcher should not keep loop alive */ 1978 ev_unref (EV_A); /* child watcher should not keep loop alive */
1934#endif 1979#endif
1947 EV_P = ev_default_loop_ptr; 1992 EV_P = ev_default_loop_ptr;
1948#endif 1993#endif
1949 1994
1950 ev_default_loop_ptr = 0; 1995 ev_default_loop_ptr = 0;
1951 1996
1952#ifndef _WIN32 1997#if EV_CHILD_ENABLE
1953 ev_ref (EV_A); /* child watcher */ 1998 ev_ref (EV_A); /* child watcher */
1954 ev_signal_stop (EV_A_ &childev); 1999 ev_signal_stop (EV_A_ &childev);
1955#endif 2000#endif
1956 2001
1957 loop_destroy (EV_A); 2002 loop_destroy (EV_A);
2063 EV_FREQUENT_CHECK; 2108 EV_FREQUENT_CHECK;
2064 feed_reverse (EV_A_ (W)w); 2109 feed_reverse (EV_A_ (W)w);
2065 } 2110 }
2066 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); 2111 while (timercnt && ANHE_at (timers [HEAP0]) < mn_now);
2067 2112
2068 feed_reverse_done (EV_A_ EV_TIMEOUT); 2113 feed_reverse_done (EV_A_ EV_TIMER);
2069 } 2114 }
2070} 2115}
2071 2116
2072#if EV_PERIODIC_ENABLE 2117#if EV_PERIODIC_ENABLE
2073/* make periodics pending */ 2118/* make periodics pending */
2234} 2279}
2235 2280
2236void 2281void
2237ev_loop (EV_P_ int flags) 2282ev_loop (EV_P_ int flags)
2238{ 2283{
2239#if EV_MINIMAL < 2 2284#if EV_FEATURE_API
2240 ++loop_depth; 2285 ++loop_depth;
2241#endif 2286#endif
2242 2287
2243 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); 2288 assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE));
2244 2289
2247 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ 2292 EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */
2248 2293
2249 do 2294 do
2250 { 2295 {
2251#if EV_VERIFY >= 2 2296#if EV_VERIFY >= 2
2252 ev_loop_verify (EV_A); 2297 ev_verify (EV_A);
2253#endif 2298#endif
2254 2299
2255#ifndef _WIN32 2300#ifndef _WIN32
2256 if (expect_false (curpid)) /* penalise the forking check even more */ 2301 if (expect_false (curpid)) /* penalise the forking check even more */
2257 if (expect_false (getpid () != curpid)) 2302 if (expect_false (getpid () != curpid))
2269 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); 2314 queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
2270 EV_INVOKE_PENDING; 2315 EV_INVOKE_PENDING;
2271 } 2316 }
2272#endif 2317#endif
2273 2318
2319#if EV_PREPARE_ENABLE
2274 /* queue prepare watchers (and execute them) */ 2320 /* queue prepare watchers (and execute them) */
2275 if (expect_false (preparecnt)) 2321 if (expect_false (preparecnt))
2276 { 2322 {
2277 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); 2323 queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
2278 EV_INVOKE_PENDING; 2324 EV_INVOKE_PENDING;
2279 } 2325 }
2326#endif
2280 2327
2281 if (expect_false (loop_done)) 2328 if (expect_false (loop_done))
2282 break; 2329 break;
2283 2330
2284 /* we might have forked, so reify kernel state if necessary */ 2331 /* we might have forked, so reify kernel state if necessary */
2335 waittime -= sleeptime; 2382 waittime -= sleeptime;
2336 } 2383 }
2337 } 2384 }
2338 } 2385 }
2339 2386
2340#if EV_MINIMAL < 2 2387#if EV_FEATURE_API
2341 ++loop_count; 2388 ++loop_count;
2342#endif 2389#endif
2343 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ 2390 assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */
2344 backend_poll (EV_A_ waittime); 2391 backend_poll (EV_A_ waittime);
2345 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ 2392 assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */
2357#if EV_IDLE_ENABLE 2404#if EV_IDLE_ENABLE
2358 /* queue idle watchers unless other events are pending */ 2405 /* queue idle watchers unless other events are pending */
2359 idle_reify (EV_A); 2406 idle_reify (EV_A);
2360#endif 2407#endif
2361 2408
2409#if EV_CHECK_ENABLE
2362 /* queue check watchers, to be executed first */ 2410 /* queue check watchers, to be executed first */
2363 if (expect_false (checkcnt)) 2411 if (expect_false (checkcnt))
2364 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); 2412 queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
2413#endif
2365 2414
2366 EV_INVOKE_PENDING; 2415 EV_INVOKE_PENDING;
2367 } 2416 }
2368 while (expect_true ( 2417 while (expect_true (
2369 activecnt 2418 activecnt
2372 )); 2421 ));
2373 2422
2374 if (loop_done == EVUNLOOP_ONE) 2423 if (loop_done == EVUNLOOP_ONE)
2375 loop_done = EVUNLOOP_CANCEL; 2424 loop_done = EVUNLOOP_CANCEL;
2376 2425
2377#if EV_MINIMAL < 2 2426#if EV_FEATURE_API
2378 --loop_depth; 2427 --loop_depth;
2379#endif 2428#endif
2380} 2429}
2381 2430
2382void 2431void
2699 2748
2700#ifndef SA_RESTART 2749#ifndef SA_RESTART
2701# define SA_RESTART 0 2750# define SA_RESTART 0
2702#endif 2751#endif
2703 2752
2753#if EV_SIGNAL_ENABLE
2754
2704void noinline 2755void noinline
2705ev_signal_start (EV_P_ ev_signal *w) 2756ev_signal_start (EV_P_ ev_signal *w)
2706{ 2757{
2707 if (expect_false (ev_is_active (w))) 2758 if (expect_false (ev_is_active (w)))
2708 return; 2759 return;
2814 } 2865 }
2815 2866
2816 EV_FREQUENT_CHECK; 2867 EV_FREQUENT_CHECK;
2817} 2868}
2818 2869
2870#endif
2871
2872#if EV_CHILD_ENABLE
2873
2819void 2874void
2820ev_child_start (EV_P_ ev_child *w) 2875ev_child_start (EV_P_ ev_child *w)
2821{ 2876{
2822#if EV_MULTIPLICITY 2877#if EV_MULTIPLICITY
2823 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 2878 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
2826 return; 2881 return;
2827 2882
2828 EV_FREQUENT_CHECK; 2883 EV_FREQUENT_CHECK;
2829 2884
2830 ev_start (EV_A_ (W)w, 1); 2885 ev_start (EV_A_ (W)w, 1);
2831 wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2886 wlist_add (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2832 2887
2833 EV_FREQUENT_CHECK; 2888 EV_FREQUENT_CHECK;
2834} 2889}
2835 2890
2836void 2891void
2840 if (expect_false (!ev_is_active (w))) 2895 if (expect_false (!ev_is_active (w)))
2841 return; 2896 return;
2842 2897
2843 EV_FREQUENT_CHECK; 2898 EV_FREQUENT_CHECK;
2844 2899
2845 wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); 2900 wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
2846 ev_stop (EV_A_ (W)w); 2901 ev_stop (EV_A_ (W)w);
2847 2902
2848 EV_FREQUENT_CHECK; 2903 EV_FREQUENT_CHECK;
2849} 2904}
2905
2906#endif
2850 2907
2851#if EV_STAT_ENABLE 2908#if EV_STAT_ENABLE
2852 2909
2853# ifdef _WIN32 2910# ifdef _WIN32
2854# undef lstat 2911# undef lstat
2921 while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); 2978 while (w->wd < 0 && (errno == ENOENT || errno == EACCES));
2922 } 2979 }
2923 } 2980 }
2924 2981
2925 if (w->wd >= 0) 2982 if (w->wd >= 0)
2926 wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 2983 wlist_add (&fs_hash [w->wd & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2927 2984
2928 /* now re-arm timer, if required */ 2985 /* now re-arm timer, if required */
2929 if (ev_is_active (&w->timer)) ev_ref (EV_A); 2986 if (ev_is_active (&w->timer)) ev_ref (EV_A);
2930 ev_timer_again (EV_A_ &w->timer); 2987 ev_timer_again (EV_A_ &w->timer);
2931 if (ev_is_active (&w->timer)) ev_unref (EV_A); 2988 if (ev_is_active (&w->timer)) ev_unref (EV_A);
2939 2996
2940 if (wd < 0) 2997 if (wd < 0)
2941 return; 2998 return;
2942 2999
2943 w->wd = -2; 3000 w->wd = -2;
2944 slot = wd & (EV_INOTIFY_HASHSIZE - 1); 3001 slot = wd & ((EV_INOTIFY_HASHSIZE) - 1);
2945 wlist_del (&fs_hash [slot].head, (WL)w); 3002 wlist_del (&fs_hash [slot].head, (WL)w);
2946 3003
2947 /* remove this watcher, if others are watching it, they will rearm */ 3004 /* remove this watcher, if others are watching it, they will rearm */
2948 inotify_rm_watch (fs_fd, wd); 3005 inotify_rm_watch (fs_fd, wd);
2949} 3006}
2951static void noinline 3008static void noinline
2952infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 3009infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
2953{ 3010{
2954 if (slot < 0) 3011 if (slot < 0)
2955 /* overflow, need to check for all hash slots */ 3012 /* overflow, need to check for all hash slots */
2956 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3013 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
2957 infy_wd (EV_A_ slot, wd, ev); 3014 infy_wd (EV_A_ slot, wd, ev);
2958 else 3015 else
2959 { 3016 {
2960 WL w_; 3017 WL w_;
2961 3018
2962 for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) 3019 for (w_ = fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head; w_; )
2963 { 3020 {
2964 ev_stat *w = (ev_stat *)w_; 3021 ev_stat *w = (ev_stat *)w_;
2965 w_ = w_->next; /* lets us remove this watcher and all before it */ 3022 w_ = w_->next; /* lets us remove this watcher and all before it */
2966 3023
2967 if (w->wd == wd || wd == -1) 3024 if (w->wd == wd || wd == -1)
2968 { 3025 {
2969 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) 3026 if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF))
2970 { 3027 {
2971 wlist_del (&fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); 3028 wlist_del (&fs_hash [slot & ((EV_INOTIFY_HASHSIZE) - 1)].head, (WL)w);
2972 w->wd = -1; 3029 w->wd = -1;
2973 infy_add (EV_A_ w); /* re-add, no matter what */ 3030 infy_add (EV_A_ w); /* re-add, no matter what */
2974 } 3031 }
2975 3032
2976 stat_timer_cb (EV_A_ &w->timer, 0); 3033 stat_timer_cb (EV_A_ &w->timer, 0);
2992 infy_wd (EV_A_ ev->wd, ev->wd, ev); 3049 infy_wd (EV_A_ ev->wd, ev->wd, ev);
2993 ofs += sizeof (struct inotify_event) + ev->len; 3050 ofs += sizeof (struct inotify_event) + ev->len;
2994 } 3051 }
2995} 3052}
2996 3053
3054inline_size unsigned int
3055ev_linux_version (void)
3056{
3057 struct utsname buf;
3058 unsigned int v;
3059 int i;
3060 char *p = buf.release;
3061
3062 if (uname (&buf))
3063 return 0;
3064
3065 for (i = 3+1; --i; )
3066 {
3067 unsigned int c = 0;
3068
3069 for (;;)
3070 {
3071 if (*p >= '0' && *p <= '9')
3072 c = c * 10 + *p++ - '0';
3073 else
3074 {
3075 p += *p == '.';
3076 break;
3077 }
3078 }
3079
3080 v = (v << 8) | c;
3081 }
3082
3083 return v;
3084}
3085
2997inline_size void 3086inline_size void
2998check_2625 (EV_P) 3087ev_check_2625 (EV_P)
2999{ 3088{
3000 /* kernels < 2.6.25 are borked 3089 /* kernels < 2.6.25 are borked
3001 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 3090 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3002 */ 3091 */
3003 struct utsname buf; 3092 if (ev_linux_version () < 0x020619)
3004 int major, minor, micro;
3005
3006 if (uname (&buf))
3007 return;
3008
3009 if (sscanf (buf.release, "%d.%d.%d", &major, &minor, &micro) != 3)
3010 return;
3011
3012 if (major < 2
3013 || (major == 2 && minor < 6)
3014 || (major == 2 && minor == 6 && micro < 25))
3015 return; 3093 return;
3016 3094
3017 fs_2625 = 1; 3095 fs_2625 = 1;
3018} 3096}
3019 3097
3034 if (fs_fd != -2) 3112 if (fs_fd != -2)
3035 return; 3113 return;
3036 3114
3037 fs_fd = -1; 3115 fs_fd = -1;
3038 3116
3039 check_2625 (EV_A); 3117 ev_check_2625 (EV_A);
3040 3118
3041 fs_fd = infy_newfd (); 3119 fs_fd = infy_newfd ();
3042 3120
3043 if (fs_fd >= 0) 3121 if (fs_fd >= 0)
3044 { 3122 {
3069 ev_io_set (&fs_w, fs_fd, EV_READ); 3147 ev_io_set (&fs_w, fs_fd, EV_READ);
3070 ev_io_start (EV_A_ &fs_w); 3148 ev_io_start (EV_A_ &fs_w);
3071 ev_unref (EV_A); 3149 ev_unref (EV_A);
3072 } 3150 }
3073 3151
3074 for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) 3152 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
3075 { 3153 {
3076 WL w_ = fs_hash [slot].head; 3154 WL w_ = fs_hash [slot].head;
3077 fs_hash [slot].head = 0; 3155 fs_hash [slot].head = 0;
3078 3156
3079 while (w_) 3157 while (w_)
3254 3332
3255 EV_FREQUENT_CHECK; 3333 EV_FREQUENT_CHECK;
3256} 3334}
3257#endif 3335#endif
3258 3336
3337#if EV_PREPARE_ENABLE
3259void 3338void
3260ev_prepare_start (EV_P_ ev_prepare *w) 3339ev_prepare_start (EV_P_ ev_prepare *w)
3261{ 3340{
3262 if (expect_false (ev_is_active (w))) 3341 if (expect_false (ev_is_active (w)))
3263 return; 3342 return;
3289 3368
3290 ev_stop (EV_A_ (W)w); 3369 ev_stop (EV_A_ (W)w);
3291 3370
3292 EV_FREQUENT_CHECK; 3371 EV_FREQUENT_CHECK;
3293} 3372}
3373#endif
3294 3374
3375#if EV_CHECK_ENABLE
3295void 3376void
3296ev_check_start (EV_P_ ev_check *w) 3377ev_check_start (EV_P_ ev_check *w)
3297{ 3378{
3298 if (expect_false (ev_is_active (w))) 3379 if (expect_false (ev_is_active (w)))
3299 return; 3380 return;
3325 3406
3326 ev_stop (EV_A_ (W)w); 3407 ev_stop (EV_A_ (W)w);
3327 3408
3328 EV_FREQUENT_CHECK; 3409 EV_FREQUENT_CHECK;
3329} 3410}
3411#endif
3330 3412
3331#if EV_EMBED_ENABLE 3413#if EV_EMBED_ENABLE
3332void noinline 3414void noinline
3333ev_embed_sweep (EV_P_ ev_embed *w) 3415ev_embed_sweep (EV_P_ ev_embed *w)
3334{ 3416{
3566{ 3648{
3567 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 3649 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3568 3650
3569 if (expect_false (!once)) 3651 if (expect_false (!once))
3570 { 3652 {
3571 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); 3653 cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
3572 return; 3654 return;
3573 } 3655 }
3574 3656
3575 once->cb = cb; 3657 once->cb = cb;
3576 once->arg = arg; 3658 once->arg = arg;
3663 if (types & EV_ASYNC) 3745 if (types & EV_ASYNC)
3664 for (i = asynccnt; i--; ) 3746 for (i = asynccnt; i--; )
3665 cb (EV_A_ EV_ASYNC, asyncs [i]); 3747 cb (EV_A_ EV_ASYNC, asyncs [i]);
3666#endif 3748#endif
3667 3749
3750#if EV_PREPARE_ENABLE
3668 if (types & EV_PREPARE) 3751 if (types & EV_PREPARE)
3669 for (i = preparecnt; i--; ) 3752 for (i = preparecnt; i--; )
3670#if EV_EMBED_ENABLE 3753# if EV_EMBED_ENABLE
3671 if (ev_cb (prepares [i]) != embed_prepare_cb) 3754 if (ev_cb (prepares [i]) != embed_prepare_cb)
3672#endif 3755# endif
3673 cb (EV_A_ EV_PREPARE, prepares [i]); 3756 cb (EV_A_ EV_PREPARE, prepares [i]);
3757#endif
3674 3758
3759#if EV_CHECK_ENABLE
3675 if (types & EV_CHECK) 3760 if (types & EV_CHECK)
3676 for (i = checkcnt; i--; ) 3761 for (i = checkcnt; i--; )
3677 cb (EV_A_ EV_CHECK, checks [i]); 3762 cb (EV_A_ EV_CHECK, checks [i]);
3763#endif
3678 3764
3765#if EV_SIGNAL_ENABLE
3679 if (types & EV_SIGNAL) 3766 if (types & EV_SIGNAL)
3680 for (i = 0; i < EV_NSIG - 1; ++i) 3767 for (i = 0; i < EV_NSIG - 1; ++i)
3681 for (wl = signals [i].head; wl; ) 3768 for (wl = signals [i].head; wl; )
3682 { 3769 {
3683 wn = wl->next; 3770 wn = wl->next;
3684 cb (EV_A_ EV_SIGNAL, wl); 3771 cb (EV_A_ EV_SIGNAL, wl);
3685 wl = wn; 3772 wl = wn;
3686 } 3773 }
3774#endif
3687 3775
3776#if EV_CHILD_ENABLE
3688 if (types & EV_CHILD) 3777 if (types & EV_CHILD)
3689 for (i = EV_PID_HASHSIZE; i--; ) 3778 for (i = (EV_PID_HASHSIZE); i--; )
3690 for (wl = childs [i]; wl; ) 3779 for (wl = childs [i]; wl; )
3691 { 3780 {
3692 wn = wl->next; 3781 wn = wl->next;
3693 cb (EV_A_ EV_CHILD, wl); 3782 cb (EV_A_ EV_CHILD, wl);
3694 wl = wn; 3783 wl = wn;
3695 } 3784 }
3785#endif
3696/* EV_STAT 0x00001000 /* stat data changed */ 3786/* EV_STAT 0x00001000 /* stat data changed */
3697/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */ 3787/* EV_EMBED 0x00010000 /* embedded event loop needs sweep */
3698} 3788}
3699#endif 3789#endif
3700 3790

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