… | |
… | |
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 |
|
|
41 | extern "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 EV_FEATURE_OS |
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 |
|
|
92 | # define EV_USE_SELECT EV_FEATURE_BACKENDS |
98 | # define EV_USE_POLL EV_FEATURE_BACKENDS |
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 EV_FEATURE_BACKENDS |
|
|
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 |
|
|
106 | # ifndef EV_USE_EPOLL |
108 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
107 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
109 | # else |
|
|
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 |
|
|
115 | # ifndef EV_USE_KQUEUE |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
116 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
117 | # else |
|
|
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 | # ifndef EV_USE_PORT |
124 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
125 | # define EV_USE_PORT EV_FEATURE_BACKENDS |
125 | # else |
|
|
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 |
|
|
133 | # ifndef EV_USE_INOTIFY |
132 | # define EV_USE_INOTIFY EV_FEATURE_OS |
134 | # define EV_USE_INOTIFY EV_FEATURE_OS |
133 | # else |
|
|
134 | # define EV_USE_INOTIFY 0 |
|
|
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 |
|
|
142 | # ifndef EV_USE_SIGNALFD |
140 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
143 | # define EV_USE_SIGNALFD EV_FEATURE_OS |
141 | # else |
|
|
142 | # define EV_USE_SIGNALFD 0 |
|
|
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 EV_FEATURE_OS |
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 | |
|
|
183 | EV_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) |
… | |
… | |
367 | # include <sys/select.h> |
382 | # include <sys/select.h> |
368 | # endif |
383 | # endif |
369 | #endif |
384 | #endif |
370 | |
385 | |
371 | #if EV_USE_INOTIFY |
386 | #if EV_USE_INOTIFY |
372 | # include <sys/utsname.h> |
|
|
373 | # include <sys/statfs.h> |
387 | # include <sys/statfs.h> |
374 | # include <sys/inotify.h> |
388 | # include <sys/inotify.h> |
375 | /* 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 */ |
376 | # ifndef IN_DONT_FOLLOW |
390 | # ifndef IN_DONT_FOLLOW |
377 | # undef EV_USE_INOTIFY |
391 | # undef EV_USE_INOTIFY |
… | |
… | |
394 | # define EFD_CLOEXEC O_CLOEXEC |
408 | # define EFD_CLOEXEC O_CLOEXEC |
395 | # else |
409 | # else |
396 | # define EFD_CLOEXEC 02000000 |
410 | # define EFD_CLOEXEC 02000000 |
397 | # endif |
411 | # endif |
398 | # endif |
412 | # endif |
399 | # ifdef __cplusplus |
|
|
400 | extern "C" { |
|
|
401 | # endif |
|
|
402 | int (eventfd) (unsigned int initval, int flags); |
413 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
403 | # ifdef __cplusplus |
|
|
404 | } |
|
|
405 | # endif |
|
|
406 | #endif |
414 | #endif |
407 | |
415 | |
408 | #if EV_USE_SIGNALFD |
416 | #if EV_USE_SIGNALFD |
409 | /* 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 */ |
410 | # include <stdint.h> |
418 | # include <stdint.h> |
… | |
… | |
416 | # define SFD_CLOEXEC O_CLOEXEC |
424 | # define SFD_CLOEXEC O_CLOEXEC |
417 | # else |
425 | # else |
418 | # define SFD_CLOEXEC 02000000 |
426 | # define SFD_CLOEXEC 02000000 |
419 | # endif |
427 | # endif |
420 | # endif |
428 | # endif |
421 | # ifdef __cplusplus |
|
|
422 | extern "C" { |
|
|
423 | # endif |
|
|
424 | int signalfd (int fd, const sigset_t *mask, int flags); |
429 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
425 | |
430 | |
426 | struct signalfd_siginfo |
431 | struct signalfd_siginfo |
427 | { |
432 | { |
428 | uint32_t ssi_signo; |
433 | uint32_t ssi_signo; |
429 | char pad[128 - sizeof (uint32_t)]; |
434 | char pad[128 - sizeof (uint32_t)]; |
430 | }; |
435 | }; |
431 | # ifdef __cplusplus |
|
|
432 | } |
|
|
433 | # endif |
436 | #endif |
434 | #endif |
|
|
435 | |
|
|
436 | |
437 | |
437 | /**/ |
438 | /**/ |
438 | |
439 | |
439 | #if EV_VERIFY >= 3 |
440 | #if EV_VERIFY >= 3 |
440 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
441 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
… | |
… | |
453 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | |
455 | |
455 | #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) */ |
456 | #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) */ |
457 | |
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 | |
458 | #if __GNUC__ >= 4 |
462 | #if __GNUC__ >= 4 |
459 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
463 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
460 | # define noinline __attribute__ ((noinline)) |
464 | # define noinline __attribute__ ((noinline)) |
461 | #else |
465 | #else |
462 | # define expect(expr,value) (expr) |
466 | # define expect(expr,value) (expr) |
… | |
… | |
494 | #define ev_active(w) ((W)(w))->active |
498 | #define ev_active(w) ((W)(w))->active |
495 | #define ev_at(w) ((WT)(w))->at |
499 | #define ev_at(w) ((WT)(w))->at |
496 | |
500 | |
497 | #if EV_USE_REALTIME |
501 | #if EV_USE_REALTIME |
498 | /* 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 */ |
499 | /* giving it a reasonably high chance of working on typical architetcures */ |
503 | /* giving it a reasonably high chance of working on typical architectures */ |
500 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
504 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
501 | #endif |
505 | #endif |
502 | |
506 | |
503 | #if EV_USE_MONOTONIC |
507 | #if EV_USE_MONOTONIC |
504 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
508 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
… | |
… | |
515 | #endif |
519 | #endif |
516 | |
520 | |
517 | #ifdef _WIN32 |
521 | #ifdef _WIN32 |
518 | # include "ev_win32.c" |
522 | # include "ev_win32.c" |
519 | #endif |
523 | #endif |
|
|
524 | |
|
|
525 | /*****************************************************************************/ |
|
|
526 | |
|
|
527 | #ifdef __linux |
|
|
528 | # include <sys/utsname.h> |
|
|
529 | #endif |
|
|
530 | |
|
|
531 | static unsigned int noinline |
|
|
532 | ev_linux_version (void) |
|
|
533 | { |
|
|
534 | #ifdef __linux |
|
|
535 | struct utsname buf; |
|
|
536 | unsigned int v; |
|
|
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 | } |
520 | |
566 | |
521 | /*****************************************************************************/ |
567 | /*****************************************************************************/ |
522 | |
568 | |
523 | #if EV_AVOID_STDIO |
569 | #if EV_AVOID_STDIO |
524 | static void noinline |
570 | static void noinline |
… | |
… | |
698 | # define EV_RELEASE_CB (void)0 |
744 | # define EV_RELEASE_CB (void)0 |
699 | # define EV_ACQUIRE_CB (void)0 |
745 | # define EV_ACQUIRE_CB (void)0 |
700 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
746 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
701 | #endif |
747 | #endif |
702 | |
748 | |
703 | #define EVUNLOOP_RECURSE 0x80 |
749 | #define EVBREAK_RECURSE 0x80 |
704 | |
750 | |
705 | /*****************************************************************************/ |
751 | /*****************************************************************************/ |
706 | |
752 | |
707 | #ifndef EV_HAVE_EV_TIME |
753 | #ifndef EV_HAVE_EV_TIME |
708 | ev_tstamp |
754 | ev_tstamp |
… | |
… | |
752 | if (delay > 0.) |
798 | if (delay > 0.) |
753 | { |
799 | { |
754 | #if EV_USE_NANOSLEEP |
800 | #if EV_USE_NANOSLEEP |
755 | struct timespec ts; |
801 | struct timespec ts; |
756 | |
802 | |
757 | ts.tv_sec = (time_t)delay; |
803 | EV_TS_SET (ts, delay); |
758 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
759 | |
|
|
760 | nanosleep (&ts, 0); |
804 | nanosleep (&ts, 0); |
761 | #elif defined(_WIN32) |
805 | #elif defined(_WIN32) |
762 | Sleep ((unsigned long)(delay * 1e3)); |
806 | Sleep ((unsigned long)(delay * 1e3)); |
763 | #else |
807 | #else |
764 | struct timeval tv; |
808 | struct timeval tv; |
765 | |
809 | |
766 | tv.tv_sec = (time_t)delay; |
|
|
767 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
|
|
768 | |
|
|
769 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
810 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
770 | /* something not guaranteed by newer posix versions, but guaranteed */ |
811 | /* something not guaranteed by newer posix versions, but guaranteed */ |
771 | /* by older ones */ |
812 | /* by older ones */ |
|
|
813 | EV_TV_SET (tv, delay); |
772 | select (0, 0, 0, 0, &tv); |
814 | select (0, 0, 0, 0, &tv); |
773 | #endif |
815 | #endif |
774 | } |
816 | } |
775 | } |
817 | } |
776 | |
818 | |
777 | /*****************************************************************************/ |
819 | /*****************************************************************************/ |
778 | |
820 | |
779 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
821 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
780 | |
822 | |
781 | /* find a suitable new size for the given array, */ |
823 | /* find a suitable new size for the given array, */ |
782 | /* hopefully by rounding to a ncie-to-malloc size */ |
824 | /* hopefully by rounding to a nice-to-malloc size */ |
783 | inline_size int |
825 | inline_size int |
784 | array_nextsize (int elem, int cur, int cnt) |
826 | array_nextsize (int elem, int cur, int cnt) |
785 | { |
827 | { |
786 | int ncur = cur + 1; |
828 | int ncur = cur + 1; |
787 | |
829 | |
… | |
… | |
928 | { |
970 | { |
929 | int fd = fdchanges [i]; |
971 | int fd = fdchanges [i]; |
930 | ANFD *anfd = anfds + fd; |
972 | ANFD *anfd = anfds + fd; |
931 | ev_io *w; |
973 | ev_io *w; |
932 | |
974 | |
933 | unsigned char events = 0; |
975 | unsigned char o_events = anfd->events; |
|
|
976 | unsigned char o_reify = anfd->reify; |
934 | |
977 | |
935 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
978 | anfd->reify = 0; |
936 | events |= (unsigned char)w->events; |
|
|
937 | |
979 | |
938 | #if EV_SELECT_IS_WINSOCKET |
980 | #if EV_SELECT_IS_WINSOCKET |
939 | if (events) |
981 | if (o_reify & EV__IOFDSET) |
940 | { |
982 | { |
941 | unsigned long arg; |
983 | unsigned long arg; |
942 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
984 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
943 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
985 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
944 | } |
986 | } |
945 | #endif |
987 | #endif |
946 | |
988 | |
|
|
989 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
947 | { |
990 | { |
948 | unsigned char o_events = anfd->events; |
|
|
949 | unsigned char o_reify = anfd->reify; |
|
|
950 | |
|
|
951 | anfd->reify = 0; |
|
|
952 | anfd->events = events; |
991 | anfd->events = 0; |
953 | |
992 | |
954 | if (o_events != events || o_reify & EV__IOFDSET) |
993 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
994 | anfd->events |= (unsigned char)w->events; |
|
|
995 | |
|
|
996 | if (o_events != anfd->events) |
|
|
997 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
998 | } |
|
|
999 | |
|
|
1000 | if (o_reify & EV__IOFDSET) |
955 | backend_modify (EV_A_ fd, o_events, events); |
1001 | backend_modify (EV_A_ fd, o_events, anfd->events); |
956 | } |
|
|
957 | } |
1002 | } |
958 | |
1003 | |
959 | fdchangecnt = 0; |
1004 | fdchangecnt = 0; |
960 | } |
1005 | } |
961 | |
1006 | |
… | |
… | |
1054 | } |
1099 | } |
1055 | |
1100 | |
1056 | /*****************************************************************************/ |
1101 | /*****************************************************************************/ |
1057 | |
1102 | |
1058 | /* |
1103 | /* |
1059 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1104 | * the heap functions want a real array index. array index 0 is guaranteed to not |
1060 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1105 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1061 | * the branching factor of the d-tree. |
1106 | * the branching factor of the d-tree. |
1062 | */ |
1107 | */ |
1063 | |
1108 | |
1064 | /* |
1109 | /* |
… | |
… | |
1264 | uint64_t counter = 1; |
1309 | uint64_t counter = 1; |
1265 | write (evfd, &counter, sizeof (uint64_t)); |
1310 | write (evfd, &counter, sizeof (uint64_t)); |
1266 | } |
1311 | } |
1267 | else |
1312 | else |
1268 | #endif |
1313 | #endif |
|
|
1314 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1315 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1316 | /* so when you think this write should be a send instead, please find out */ |
|
|
1317 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1318 | /* tell me. thank you. */ |
1269 | write (evpipe [1], &dummy, 1); |
1319 | write (evpipe [1], &dummy, 1); |
1270 | |
1320 | |
1271 | errno = old_errno; |
1321 | errno = old_errno; |
1272 | } |
1322 | } |
1273 | } |
1323 | } |
… | |
… | |
1287 | } |
1337 | } |
1288 | else |
1338 | else |
1289 | #endif |
1339 | #endif |
1290 | { |
1340 | { |
1291 | char dummy; |
1341 | char dummy; |
|
|
1342 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1292 | read (evpipe [0], &dummy, 1); |
1343 | read (evpipe [0], &dummy, 1); |
1293 | } |
1344 | } |
1294 | |
1345 | |
1295 | if (sig_pending) |
1346 | if (sig_pending) |
1296 | { |
1347 | { |
… | |
… | |
1520 | ev_embeddable_backends (void) |
1571 | ev_embeddable_backends (void) |
1521 | { |
1572 | { |
1522 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1573 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
1523 | |
1574 | |
1524 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1575 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
1525 | /* please fix it and tell me how to detect the fix */ |
1576 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
1526 | flags &= ~EVBACKEND_EPOLL; |
1577 | flags &= ~EVBACKEND_EPOLL; |
1527 | |
1578 | |
1528 | return flags; |
1579 | return flags; |
1529 | } |
1580 | } |
1530 | |
1581 | |
1531 | unsigned int |
1582 | unsigned int |
… | |
… | |
2162 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2213 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2163 | } |
2214 | } |
2164 | } |
2215 | } |
2165 | |
2216 | |
2166 | /* simply recalculate all periodics */ |
2217 | /* simply recalculate all periodics */ |
2167 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2218 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2168 | static void noinline |
2219 | static void noinline |
2169 | periodics_reschedule (EV_P) |
2220 | periodics_reschedule (EV_P) |
2170 | { |
2221 | { |
2171 | int i; |
2222 | int i; |
2172 | |
2223 | |
… | |
… | |
2268 | mn_now = ev_rt_now; |
2319 | mn_now = ev_rt_now; |
2269 | } |
2320 | } |
2270 | } |
2321 | } |
2271 | |
2322 | |
2272 | void |
2323 | void |
2273 | ev_loop (EV_P_ int flags) |
2324 | ev_run (EV_P_ int flags) |
2274 | { |
2325 | { |
2275 | #if EV_FEATURE_API |
2326 | #if EV_FEATURE_API |
2276 | ++loop_depth; |
2327 | ++loop_depth; |
2277 | #endif |
2328 | #endif |
2278 | |
2329 | |
2279 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2330 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2280 | |
2331 | |
2281 | loop_done = EVUNLOOP_CANCEL; |
2332 | loop_done = EVBREAK_CANCEL; |
2282 | |
2333 | |
2283 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2334 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2284 | |
2335 | |
2285 | do |
2336 | do |
2286 | { |
2337 | { |
… | |
… | |
2329 | /* calculate blocking time */ |
2380 | /* calculate blocking time */ |
2330 | { |
2381 | { |
2331 | ev_tstamp waittime = 0.; |
2382 | ev_tstamp waittime = 0.; |
2332 | ev_tstamp sleeptime = 0.; |
2383 | ev_tstamp sleeptime = 0.; |
2333 | |
2384 | |
|
|
2385 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2386 | ev_tstamp prev_mn_now = mn_now; |
|
|
2387 | |
|
|
2388 | /* update time to cancel out callback processing overhead */ |
|
|
2389 | time_update (EV_A_ 1e100); |
|
|
2390 | |
2334 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2391 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2335 | { |
2392 | { |
2336 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2337 | ev_tstamp prev_mn_now = mn_now; |
|
|
2338 | |
|
|
2339 | /* update time to cancel out callback processing overhead */ |
|
|
2340 | time_update (EV_A_ 1e100); |
|
|
2341 | |
|
|
2342 | waittime = MAX_BLOCKTIME; |
2393 | waittime = MAX_BLOCKTIME; |
2343 | |
2394 | |
2344 | if (timercnt) |
2395 | if (timercnt) |
2345 | { |
2396 | { |
2346 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2397 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2376 | } |
2427 | } |
2377 | |
2428 | |
2378 | #if EV_FEATURE_API |
2429 | #if EV_FEATURE_API |
2379 | ++loop_count; |
2430 | ++loop_count; |
2380 | #endif |
2431 | #endif |
2381 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2432 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2382 | backend_poll (EV_A_ waittime); |
2433 | backend_poll (EV_A_ waittime); |
2383 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2434 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2384 | |
2435 | |
2385 | /* update ev_rt_now, do magic */ |
2436 | /* update ev_rt_now, do magic */ |
2386 | time_update (EV_A_ waittime + sleeptime); |
2437 | time_update (EV_A_ waittime + sleeptime); |
2387 | } |
2438 | } |
2388 | |
2439 | |
… | |
… | |
2406 | EV_INVOKE_PENDING; |
2457 | EV_INVOKE_PENDING; |
2407 | } |
2458 | } |
2408 | while (expect_true ( |
2459 | while (expect_true ( |
2409 | activecnt |
2460 | activecnt |
2410 | && !loop_done |
2461 | && !loop_done |
2411 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2462 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2412 | )); |
2463 | )); |
2413 | |
2464 | |
2414 | if (loop_done == EVUNLOOP_ONE) |
2465 | if (loop_done == EVBREAK_ONE) |
2415 | loop_done = EVUNLOOP_CANCEL; |
2466 | loop_done = EVBREAK_CANCEL; |
2416 | |
2467 | |
2417 | #if EV_FEATURE_API |
2468 | #if EV_FEATURE_API |
2418 | --loop_depth; |
2469 | --loop_depth; |
2419 | #endif |
2470 | #endif |
2420 | } |
2471 | } |
2421 | |
2472 | |
2422 | void |
2473 | void |
2423 | ev_unloop (EV_P_ int how) |
2474 | ev_break (EV_P_ int how) |
2424 | { |
2475 | { |
2425 | loop_done = how; |
2476 | loop_done = how; |
2426 | } |
2477 | } |
2427 | |
2478 | |
2428 | void |
2479 | void |
… | |
… | |
2576 | EV_FREQUENT_CHECK; |
2627 | EV_FREQUENT_CHECK; |
2577 | |
2628 | |
2578 | wlist_del (&anfds[w->fd].head, (WL)w); |
2629 | wlist_del (&anfds[w->fd].head, (WL)w); |
2579 | ev_stop (EV_A_ (W)w); |
2630 | ev_stop (EV_A_ (W)w); |
2580 | |
2631 | |
2581 | fd_change (EV_A_ w->fd, 1); |
2632 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2582 | |
2633 | |
2583 | EV_FREQUENT_CHECK; |
2634 | EV_FREQUENT_CHECK; |
2584 | } |
2635 | } |
2585 | |
2636 | |
2586 | void noinline |
2637 | void noinline |
… | |
… | |
3038 | { |
3089 | { |
3039 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3090 | struct inotify_event *ev = (struct inotify_event *)(buf + ofs); |
3040 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3091 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
3041 | ofs += sizeof (struct inotify_event) + ev->len; |
3092 | ofs += sizeof (struct inotify_event) + ev->len; |
3042 | } |
3093 | } |
3043 | } |
|
|
3044 | |
|
|
3045 | inline_size unsigned int |
|
|
3046 | ev_linux_version (void) |
|
|
3047 | { |
|
|
3048 | struct utsname buf; |
|
|
3049 | unsigned int v; |
|
|
3050 | int i; |
|
|
3051 | char *p = buf.release; |
|
|
3052 | |
|
|
3053 | if (uname (&buf)) |
|
|
3054 | return 0; |
|
|
3055 | |
|
|
3056 | for (i = 3+1; --i; ) |
|
|
3057 | { |
|
|
3058 | unsigned int c = 0; |
|
|
3059 | |
|
|
3060 | for (;;) |
|
|
3061 | { |
|
|
3062 | if (*p >= '0' && *p <= '9') |
|
|
3063 | c = c * 10 + *p++ - '0'; |
|
|
3064 | else |
|
|
3065 | { |
|
|
3066 | p += *p == '.'; |
|
|
3067 | break; |
|
|
3068 | } |
|
|
3069 | } |
|
|
3070 | |
|
|
3071 | v = (v << 8) | c; |
|
|
3072 | } |
|
|
3073 | |
|
|
3074 | return v; |
|
|
3075 | } |
3094 | } |
3076 | |
3095 | |
3077 | inline_size void |
3096 | inline_size void |
3078 | ev_check_2625 (EV_P) |
3097 | ev_check_2625 (EV_P) |
3079 | { |
3098 | { |
… | |
… | |
3403 | |
3422 | |
3404 | #if EV_EMBED_ENABLE |
3423 | #if EV_EMBED_ENABLE |
3405 | void noinline |
3424 | void noinline |
3406 | ev_embed_sweep (EV_P_ ev_embed *w) |
3425 | ev_embed_sweep (EV_P_ ev_embed *w) |
3407 | { |
3426 | { |
3408 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3427 | ev_run (w->other, EVRUN_NOWAIT); |
3409 | } |
3428 | } |
3410 | |
3429 | |
3411 | static void |
3430 | static void |
3412 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3431 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3413 | { |
3432 | { |
3414 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3433 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3415 | |
3434 | |
3416 | if (ev_cb (w)) |
3435 | if (ev_cb (w)) |
3417 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3436 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3418 | else |
3437 | else |
3419 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3438 | ev_run (w->other, EVRUN_NOWAIT); |
3420 | } |
3439 | } |
3421 | |
3440 | |
3422 | static void |
3441 | static void |
3423 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3442 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3424 | { |
3443 | { |
… | |
… | |
3428 | EV_P = w->other; |
3447 | EV_P = w->other; |
3429 | |
3448 | |
3430 | while (fdchangecnt) |
3449 | while (fdchangecnt) |
3431 | { |
3450 | { |
3432 | fd_reify (EV_A); |
3451 | fd_reify (EV_A); |
3433 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3452 | ev_run (EV_A_ EVRUN_NOWAIT); |
3434 | } |
3453 | } |
3435 | } |
3454 | } |
3436 | } |
3455 | } |
3437 | |
3456 | |
3438 | static void |
3457 | static void |
… | |
… | |
3444 | |
3463 | |
3445 | { |
3464 | { |
3446 | EV_P = w->other; |
3465 | EV_P = w->other; |
3447 | |
3466 | |
3448 | ev_loop_fork (EV_A); |
3467 | ev_loop_fork (EV_A); |
3449 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3468 | ev_run (EV_A_ EVRUN_NOWAIT); |
3450 | } |
3469 | } |
3451 | |
3470 | |
3452 | ev_embed_start (EV_A_ w); |
3471 | ev_embed_start (EV_A_ w); |
3453 | } |
3472 | } |
3454 | |
3473 | |
… | |
… | |
3552 | void |
3571 | void |
3553 | ev_async_start (EV_P_ ev_async *w) |
3572 | ev_async_start (EV_P_ ev_async *w) |
3554 | { |
3573 | { |
3555 | if (expect_false (ev_is_active (w))) |
3574 | if (expect_false (ev_is_active (w))) |
3556 | return; |
3575 | return; |
|
|
3576 | |
|
|
3577 | w->sent = 0; |
3557 | |
3578 | |
3558 | evpipe_init (EV_A); |
3579 | evpipe_init (EV_A); |
3559 | |
3580 | |
3560 | EV_FREQUENT_CHECK; |
3581 | EV_FREQUENT_CHECK; |
3561 | |
3582 | |
… | |
… | |
3781 | |
3802 | |
3782 | #if EV_MULTIPLICITY |
3803 | #if EV_MULTIPLICITY |
3783 | #include "ev_wrap.h" |
3804 | #include "ev_wrap.h" |
3784 | #endif |
3805 | #endif |
3785 | |
3806 | |
3786 | #ifdef __cplusplus |
3807 | EV_CPP(}) |
3787 | } |
|
|
3788 | #endif |
|
|
3789 | |
3808 | |