… | |
… | |
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 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 | |
|
|
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) |
… | |
… | |
394 | # define EFD_CLOEXEC O_CLOEXEC |
409 | # define EFD_CLOEXEC O_CLOEXEC |
395 | # else |
410 | # else |
396 | # define EFD_CLOEXEC 02000000 |
411 | # define EFD_CLOEXEC 02000000 |
397 | # endif |
412 | # endif |
398 | # endif |
413 | # endif |
399 | # ifdef __cplusplus |
|
|
400 | extern "C" { |
|
|
401 | # endif |
|
|
402 | int (eventfd) (unsigned int initval, int flags); |
414 | EV_CPP(extern "C") int (eventfd) (unsigned int initval, int flags); |
403 | # ifdef __cplusplus |
|
|
404 | } |
|
|
405 | # endif |
|
|
406 | #endif |
415 | #endif |
407 | |
416 | |
408 | #if EV_USE_SIGNALFD |
417 | #if EV_USE_SIGNALFD |
409 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
418 | /* our minimum requirement is glibc 2.7 which has the stub, but not the header */ |
410 | # include <stdint.h> |
419 | # include <stdint.h> |
… | |
… | |
416 | # define SFD_CLOEXEC O_CLOEXEC |
425 | # define SFD_CLOEXEC O_CLOEXEC |
417 | # else |
426 | # else |
418 | # define SFD_CLOEXEC 02000000 |
427 | # define SFD_CLOEXEC 02000000 |
419 | # endif |
428 | # endif |
420 | # endif |
429 | # endif |
421 | # ifdef __cplusplus |
|
|
422 | extern "C" { |
|
|
423 | # endif |
|
|
424 | int signalfd (int fd, const sigset_t *mask, int flags); |
430 | EV_CPP (extern "C") int signalfd (int fd, const sigset_t *mask, int flags); |
425 | |
431 | |
426 | struct signalfd_siginfo |
432 | struct signalfd_siginfo |
427 | { |
433 | { |
428 | uint32_t ssi_signo; |
434 | uint32_t ssi_signo; |
429 | char pad[128 - sizeof (uint32_t)]; |
435 | char pad[128 - sizeof (uint32_t)]; |
430 | }; |
436 | }; |
431 | # ifdef __cplusplus |
|
|
432 | } |
|
|
433 | # endif |
437 | #endif |
434 | #endif |
|
|
435 | |
|
|
436 | |
438 | |
437 | /**/ |
439 | /**/ |
438 | |
440 | |
439 | #if EV_VERIFY >= 3 |
441 | #if EV_VERIFY >= 3 |
440 | # define EV_FREQUENT_CHECK ev_loop_verify (EV_A) |
442 | # define EV_FREQUENT_CHECK ev_verify (EV_A) |
441 | #else |
443 | #else |
442 | # define EV_FREQUENT_CHECK do { } while (0) |
444 | # define EV_FREQUENT_CHECK do { } while (0) |
443 | #endif |
445 | #endif |
444 | |
446 | |
445 | /* |
447 | /* |
… | |
… | |
453 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
455 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
454 | |
456 | |
455 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
457 | #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) */ |
458 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
457 | |
459 | |
|
|
460 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
|
|
461 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
|
|
462 | |
458 | #if __GNUC__ >= 4 |
463 | #if __GNUC__ >= 4 |
459 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
464 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
460 | # define noinline __attribute__ ((noinline)) |
465 | # define noinline __attribute__ ((noinline)) |
461 | #else |
466 | #else |
462 | # define expect(expr,value) (expr) |
467 | # define expect(expr,value) (expr) |
… | |
… | |
494 | #define ev_active(w) ((W)(w))->active |
499 | #define ev_active(w) ((W)(w))->active |
495 | #define ev_at(w) ((WT)(w))->at |
500 | #define ev_at(w) ((WT)(w))->at |
496 | |
501 | |
497 | #if EV_USE_REALTIME |
502 | #if EV_USE_REALTIME |
498 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
503 | /* 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 */ |
504 | /* giving it a reasonably high chance of working on typical architectures */ |
500 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
505 | static EV_ATOMIC_T have_realtime; /* did clock_gettime (CLOCK_REALTIME) work? */ |
501 | #endif |
506 | #endif |
502 | |
507 | |
503 | #if EV_USE_MONOTONIC |
508 | #if EV_USE_MONOTONIC |
504 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
509 | static EV_ATOMIC_T have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
… | |
… | |
698 | # define EV_RELEASE_CB (void)0 |
703 | # define EV_RELEASE_CB (void)0 |
699 | # define EV_ACQUIRE_CB (void)0 |
704 | # define EV_ACQUIRE_CB (void)0 |
700 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
705 | # define EV_INVOKE_PENDING ev_invoke_pending (EV_A) |
701 | #endif |
706 | #endif |
702 | |
707 | |
703 | #define EVUNLOOP_RECURSE 0x80 |
708 | #define EVBREAK_RECURSE 0x80 |
704 | |
709 | |
705 | /*****************************************************************************/ |
710 | /*****************************************************************************/ |
706 | |
711 | |
707 | #ifndef EV_HAVE_EV_TIME |
712 | #ifndef EV_HAVE_EV_TIME |
708 | ev_tstamp |
713 | ev_tstamp |
… | |
… | |
752 | if (delay > 0.) |
757 | if (delay > 0.) |
753 | { |
758 | { |
754 | #if EV_USE_NANOSLEEP |
759 | #if EV_USE_NANOSLEEP |
755 | struct timespec ts; |
760 | struct timespec ts; |
756 | |
761 | |
757 | ts.tv_sec = (time_t)delay; |
762 | EV_TS_SET (ts, delay); |
758 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
|
|
759 | |
|
|
760 | nanosleep (&ts, 0); |
763 | nanosleep (&ts, 0); |
761 | #elif defined(_WIN32) |
764 | #elif defined(_WIN32) |
762 | Sleep ((unsigned long)(delay * 1e3)); |
765 | Sleep ((unsigned long)(delay * 1e3)); |
763 | #else |
766 | #else |
764 | struct timeval tv; |
767 | struct timeval tv; |
765 | |
768 | |
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 */ |
769 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
770 | /* something not guaranteed by newer posix versions, but guaranteed */ |
770 | /* something not guaranteed by newer posix versions, but guaranteed */ |
771 | /* by older ones */ |
771 | /* by older ones */ |
|
|
772 | EV_TV_SET (tv, delay); |
772 | select (0, 0, 0, 0, &tv); |
773 | select (0, 0, 0, 0, &tv); |
773 | #endif |
774 | #endif |
774 | } |
775 | } |
775 | } |
776 | } |
776 | |
777 | |
777 | /*****************************************************************************/ |
778 | /*****************************************************************************/ |
778 | |
779 | |
779 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
780 | #define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2**n and >> 4 longs */ |
780 | |
781 | |
781 | /* find a suitable new size for the given array, */ |
782 | /* find a suitable new size for the given array, */ |
782 | /* hopefully by rounding to a ncie-to-malloc size */ |
783 | /* hopefully by rounding to a nice-to-malloc size */ |
783 | inline_size int |
784 | inline_size int |
784 | array_nextsize (int elem, int cur, int cnt) |
785 | array_nextsize (int elem, int cur, int cnt) |
785 | { |
786 | { |
786 | int ncur = cur + 1; |
787 | int ncur = cur + 1; |
787 | |
788 | |
… | |
… | |
928 | { |
929 | { |
929 | int fd = fdchanges [i]; |
930 | int fd = fdchanges [i]; |
930 | ANFD *anfd = anfds + fd; |
931 | ANFD *anfd = anfds + fd; |
931 | ev_io *w; |
932 | ev_io *w; |
932 | |
933 | |
933 | unsigned char events = 0; |
934 | unsigned char o_events = anfd->events; |
|
|
935 | unsigned char o_reify = anfd->reify; |
934 | |
936 | |
935 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
937 | anfd->reify = 0; |
936 | events |= (unsigned char)w->events; |
|
|
937 | |
938 | |
938 | #if EV_SELECT_IS_WINSOCKET |
939 | #if EV_SELECT_IS_WINSOCKET |
939 | if (events) |
940 | if (o_reify & EV__IOFDSET) |
940 | { |
941 | { |
941 | unsigned long arg; |
942 | unsigned long arg; |
942 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
943 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
943 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
944 | assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0)); |
944 | } |
945 | } |
945 | #endif |
946 | #endif |
946 | |
947 | |
|
|
948 | /*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */ |
947 | { |
949 | { |
948 | unsigned char o_events = anfd->events; |
|
|
949 | unsigned char o_reify = anfd->reify; |
|
|
950 | |
|
|
951 | anfd->reify = 0; |
|
|
952 | anfd->events = events; |
950 | anfd->events = 0; |
953 | |
951 | |
954 | if (o_events != events || o_reify & EV__IOFDSET) |
952 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
|
|
953 | anfd->events |= (unsigned char)w->events; |
|
|
954 | |
|
|
955 | if (o_events != anfd->events) |
|
|
956 | o_reify = EV__IOFDSET; /* actually |= */ |
|
|
957 | } |
|
|
958 | |
|
|
959 | if (o_reify & EV__IOFDSET) |
955 | backend_modify (EV_A_ fd, o_events, events); |
960 | backend_modify (EV_A_ fd, o_events, anfd->events); |
956 | } |
|
|
957 | } |
961 | } |
958 | |
962 | |
959 | fdchangecnt = 0; |
963 | fdchangecnt = 0; |
960 | } |
964 | } |
961 | |
965 | |
… | |
… | |
1054 | } |
1058 | } |
1055 | |
1059 | |
1056 | /*****************************************************************************/ |
1060 | /*****************************************************************************/ |
1057 | |
1061 | |
1058 | /* |
1062 | /* |
1059 | * the heap functions want a real array index. array index 0 uis guaranteed to not |
1063 | * 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 |
1064 | * be in-use at any time. the first heap entry is at array [HEAP0]. DHEAP gives |
1061 | * the branching factor of the d-tree. |
1065 | * the branching factor of the d-tree. |
1062 | */ |
1066 | */ |
1063 | |
1067 | |
1064 | /* |
1068 | /* |
… | |
… | |
1264 | uint64_t counter = 1; |
1268 | uint64_t counter = 1; |
1265 | write (evfd, &counter, sizeof (uint64_t)); |
1269 | write (evfd, &counter, sizeof (uint64_t)); |
1266 | } |
1270 | } |
1267 | else |
1271 | else |
1268 | #endif |
1272 | #endif |
|
|
1273 | /* win32 people keep sending patches that change this write() to send() */ |
|
|
1274 | /* and then run away. but send() is wrong, it wants a socket handle on win32 */ |
|
|
1275 | /* so when you think this write should be a send instead, please find out */ |
|
|
1276 | /* where your send() is from - it's definitely not the microsoft send, and */ |
|
|
1277 | /* tell me. thank you. */ |
1269 | write (evpipe [1], &dummy, 1); |
1278 | write (evpipe [1], &dummy, 1); |
1270 | |
1279 | |
1271 | errno = old_errno; |
1280 | errno = old_errno; |
1272 | } |
1281 | } |
1273 | } |
1282 | } |
… | |
… | |
1287 | } |
1296 | } |
1288 | else |
1297 | else |
1289 | #endif |
1298 | #endif |
1290 | { |
1299 | { |
1291 | char dummy; |
1300 | char dummy; |
|
|
1301 | /* see discussion in evpipe_write when you think this read should be recv in win32 */ |
1292 | read (evpipe [0], &dummy, 1); |
1302 | read (evpipe [0], &dummy, 1); |
1293 | } |
1303 | } |
1294 | |
1304 | |
1295 | if (sig_pending) |
1305 | if (sig_pending) |
1296 | { |
1306 | { |
… | |
… | |
1507 | #ifdef __APPLE__ |
1517 | #ifdef __APPLE__ |
1508 | /* only select works correctly on that "unix-certified" platform */ |
1518 | /* only select works correctly on that "unix-certified" platform */ |
1509 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1519 | flags &= ~EVBACKEND_KQUEUE; /* horribly broken, even for sockets */ |
1510 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1520 | flags &= ~EVBACKEND_POLL; /* poll is based on kqueue from 10.5 onwards */ |
1511 | #endif |
1521 | #endif |
|
|
1522 | #ifdef __FreeBSD__ |
|
|
1523 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
|
|
1524 | #endif |
1512 | |
1525 | |
1513 | return flags; |
1526 | return flags; |
1514 | } |
1527 | } |
1515 | |
1528 | |
1516 | unsigned int |
1529 | unsigned int |
… | |
… | |
1531 | return backend; |
1544 | return backend; |
1532 | } |
1545 | } |
1533 | |
1546 | |
1534 | #if EV_FEATURE_API |
1547 | #if EV_FEATURE_API |
1535 | unsigned int |
1548 | unsigned int |
1536 | ev_loop_count (EV_P) |
1549 | ev_iteration (EV_P) |
1537 | { |
1550 | { |
1538 | return loop_count; |
1551 | return loop_count; |
1539 | } |
1552 | } |
1540 | |
1553 | |
1541 | unsigned int |
1554 | unsigned int |
1542 | ev_loop_depth (EV_P) |
1555 | ev_depth (EV_P) |
1543 | { |
1556 | { |
1544 | return loop_depth; |
1557 | return loop_depth; |
1545 | } |
1558 | } |
1546 | |
1559 | |
1547 | void |
1560 | void |
… | |
… | |
1868 | } |
1881 | } |
1869 | #endif |
1882 | #endif |
1870 | |
1883 | |
1871 | #if EV_FEATURE_API |
1884 | #if EV_FEATURE_API |
1872 | void |
1885 | void |
1873 | ev_loop_verify (EV_P) |
1886 | ev_verify (EV_P) |
1874 | { |
1887 | { |
1875 | #if EV_VERIFY |
1888 | #if EV_VERIFY |
1876 | int i; |
1889 | int i; |
1877 | WL w; |
1890 | WL w; |
1878 | |
1891 | |
… | |
… | |
2096 | EV_FREQUENT_CHECK; |
2109 | EV_FREQUENT_CHECK; |
2097 | feed_reverse (EV_A_ (W)w); |
2110 | feed_reverse (EV_A_ (W)w); |
2098 | } |
2111 | } |
2099 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2112 | while (timercnt && ANHE_at (timers [HEAP0]) < mn_now); |
2100 | |
2113 | |
2101 | feed_reverse_done (EV_A_ EV_TIMEOUT); |
2114 | feed_reverse_done (EV_A_ EV_TIMER); |
2102 | } |
2115 | } |
2103 | } |
2116 | } |
2104 | |
2117 | |
2105 | #if EV_PERIODIC_ENABLE |
2118 | #if EV_PERIODIC_ENABLE |
2106 | /* make periodics pending */ |
2119 | /* make periodics pending */ |
… | |
… | |
2159 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2172 | feed_reverse_done (EV_A_ EV_PERIODIC); |
2160 | } |
2173 | } |
2161 | } |
2174 | } |
2162 | |
2175 | |
2163 | /* simply recalculate all periodics */ |
2176 | /* simply recalculate all periodics */ |
2164 | /* TODO: maybe ensure that at leats one event happens when jumping forward? */ |
2177 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
2165 | static void noinline |
2178 | static void noinline |
2166 | periodics_reschedule (EV_P) |
2179 | periodics_reschedule (EV_P) |
2167 | { |
2180 | { |
2168 | int i; |
2181 | int i; |
2169 | |
2182 | |
… | |
… | |
2265 | mn_now = ev_rt_now; |
2278 | mn_now = ev_rt_now; |
2266 | } |
2279 | } |
2267 | } |
2280 | } |
2268 | |
2281 | |
2269 | void |
2282 | void |
2270 | ev_loop (EV_P_ int flags) |
2283 | ev_run (EV_P_ int flags) |
2271 | { |
2284 | { |
2272 | #if EV_FEATURE_API |
2285 | #if EV_FEATURE_API |
2273 | ++loop_depth; |
2286 | ++loop_depth; |
2274 | #endif |
2287 | #endif |
2275 | |
2288 | |
2276 | assert (("libev: ev_loop recursion during release detected", loop_done != EVUNLOOP_RECURSE)); |
2289 | assert (("libev: ev_loop recursion during release detected", loop_done != EVBREAK_RECURSE)); |
2277 | |
2290 | |
2278 | loop_done = EVUNLOOP_CANCEL; |
2291 | loop_done = EVBREAK_CANCEL; |
2279 | |
2292 | |
2280 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2293 | EV_INVOKE_PENDING; /* in case we recurse, ensure ordering stays nice and clean */ |
2281 | |
2294 | |
2282 | do |
2295 | do |
2283 | { |
2296 | { |
2284 | #if EV_VERIFY >= 2 |
2297 | #if EV_VERIFY >= 2 |
2285 | ev_loop_verify (EV_A); |
2298 | ev_verify (EV_A); |
2286 | #endif |
2299 | #endif |
2287 | |
2300 | |
2288 | #ifndef _WIN32 |
2301 | #ifndef _WIN32 |
2289 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2302 | if (expect_false (curpid)) /* penalise the forking check even more */ |
2290 | if (expect_false (getpid () != curpid)) |
2303 | if (expect_false (getpid () != curpid)) |
… | |
… | |
2326 | /* calculate blocking time */ |
2339 | /* calculate blocking time */ |
2327 | { |
2340 | { |
2328 | ev_tstamp waittime = 0.; |
2341 | ev_tstamp waittime = 0.; |
2329 | ev_tstamp sleeptime = 0.; |
2342 | ev_tstamp sleeptime = 0.; |
2330 | |
2343 | |
|
|
2344 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2345 | ev_tstamp prev_mn_now = mn_now; |
|
|
2346 | |
|
|
2347 | /* update time to cancel out callback processing overhead */ |
|
|
2348 | time_update (EV_A_ 1e100); |
|
|
2349 | |
2331 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2350 | if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt))) |
2332 | { |
2351 | { |
2333 | /* remember old timestamp for io_blocktime calculation */ |
|
|
2334 | ev_tstamp prev_mn_now = mn_now; |
|
|
2335 | |
|
|
2336 | /* update time to cancel out callback processing overhead */ |
|
|
2337 | time_update (EV_A_ 1e100); |
|
|
2338 | |
|
|
2339 | waittime = MAX_BLOCKTIME; |
2352 | waittime = MAX_BLOCKTIME; |
2340 | |
2353 | |
2341 | if (timercnt) |
2354 | if (timercnt) |
2342 | { |
2355 | { |
2343 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
2356 | ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge; |
… | |
… | |
2373 | } |
2386 | } |
2374 | |
2387 | |
2375 | #if EV_FEATURE_API |
2388 | #if EV_FEATURE_API |
2376 | ++loop_count; |
2389 | ++loop_count; |
2377 | #endif |
2390 | #endif |
2378 | assert ((loop_done = EVUNLOOP_RECURSE, 1)); /* assert for side effect */ |
2391 | assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */ |
2379 | backend_poll (EV_A_ waittime); |
2392 | backend_poll (EV_A_ waittime); |
2380 | assert ((loop_done = EVUNLOOP_CANCEL, 1)); /* assert for side effect */ |
2393 | assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */ |
2381 | |
2394 | |
2382 | /* update ev_rt_now, do magic */ |
2395 | /* update ev_rt_now, do magic */ |
2383 | time_update (EV_A_ waittime + sleeptime); |
2396 | time_update (EV_A_ waittime + sleeptime); |
2384 | } |
2397 | } |
2385 | |
2398 | |
… | |
… | |
2403 | EV_INVOKE_PENDING; |
2416 | EV_INVOKE_PENDING; |
2404 | } |
2417 | } |
2405 | while (expect_true ( |
2418 | while (expect_true ( |
2406 | activecnt |
2419 | activecnt |
2407 | && !loop_done |
2420 | && !loop_done |
2408 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2421 | && !(flags & (EVRUN_ONCE | EVRUN_NOWAIT)) |
2409 | )); |
2422 | )); |
2410 | |
2423 | |
2411 | if (loop_done == EVUNLOOP_ONE) |
2424 | if (loop_done == EVBREAK_ONE) |
2412 | loop_done = EVUNLOOP_CANCEL; |
2425 | loop_done = EVBREAK_CANCEL; |
2413 | |
2426 | |
2414 | #if EV_FEATURE_API |
2427 | #if EV_FEATURE_API |
2415 | --loop_depth; |
2428 | --loop_depth; |
2416 | #endif |
2429 | #endif |
2417 | } |
2430 | } |
2418 | |
2431 | |
2419 | void |
2432 | void |
2420 | ev_unloop (EV_P_ int how) |
2433 | ev_break (EV_P_ int how) |
2421 | { |
2434 | { |
2422 | loop_done = how; |
2435 | loop_done = how; |
2423 | } |
2436 | } |
2424 | |
2437 | |
2425 | void |
2438 | void |
… | |
… | |
2573 | EV_FREQUENT_CHECK; |
2586 | EV_FREQUENT_CHECK; |
2574 | |
2587 | |
2575 | wlist_del (&anfds[w->fd].head, (WL)w); |
2588 | wlist_del (&anfds[w->fd].head, (WL)w); |
2576 | ev_stop (EV_A_ (W)w); |
2589 | ev_stop (EV_A_ (W)w); |
2577 | |
2590 | |
2578 | fd_change (EV_A_ w->fd, 1); |
2591 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
2579 | |
2592 | |
2580 | EV_FREQUENT_CHECK; |
2593 | EV_FREQUENT_CHECK; |
2581 | } |
2594 | } |
2582 | |
2595 | |
2583 | void noinline |
2596 | void noinline |
… | |
… | |
3400 | |
3413 | |
3401 | #if EV_EMBED_ENABLE |
3414 | #if EV_EMBED_ENABLE |
3402 | void noinline |
3415 | void noinline |
3403 | ev_embed_sweep (EV_P_ ev_embed *w) |
3416 | ev_embed_sweep (EV_P_ ev_embed *w) |
3404 | { |
3417 | { |
3405 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3418 | ev_run (w->other, EVRUN_NOWAIT); |
3406 | } |
3419 | } |
3407 | |
3420 | |
3408 | static void |
3421 | static void |
3409 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3422 | embed_io_cb (EV_P_ ev_io *io, int revents) |
3410 | { |
3423 | { |
3411 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3424 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
3412 | |
3425 | |
3413 | if (ev_cb (w)) |
3426 | if (ev_cb (w)) |
3414 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3427 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
3415 | else |
3428 | else |
3416 | ev_loop (w->other, EVLOOP_NONBLOCK); |
3429 | ev_run (w->other, EVRUN_NOWAIT); |
3417 | } |
3430 | } |
3418 | |
3431 | |
3419 | static void |
3432 | static void |
3420 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3433 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
3421 | { |
3434 | { |
… | |
… | |
3425 | EV_P = w->other; |
3438 | EV_P = w->other; |
3426 | |
3439 | |
3427 | while (fdchangecnt) |
3440 | while (fdchangecnt) |
3428 | { |
3441 | { |
3429 | fd_reify (EV_A); |
3442 | fd_reify (EV_A); |
3430 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3443 | ev_run (EV_A_ EVRUN_NOWAIT); |
3431 | } |
3444 | } |
3432 | } |
3445 | } |
3433 | } |
3446 | } |
3434 | |
3447 | |
3435 | static void |
3448 | static void |
… | |
… | |
3441 | |
3454 | |
3442 | { |
3455 | { |
3443 | EV_P = w->other; |
3456 | EV_P = w->other; |
3444 | |
3457 | |
3445 | ev_loop_fork (EV_A); |
3458 | ev_loop_fork (EV_A); |
3446 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
3459 | ev_run (EV_A_ EVRUN_NOWAIT); |
3447 | } |
3460 | } |
3448 | |
3461 | |
3449 | ev_embed_start (EV_A_ w); |
3462 | ev_embed_start (EV_A_ w); |
3450 | } |
3463 | } |
3451 | |
3464 | |
… | |
… | |
3550 | ev_async_start (EV_P_ ev_async *w) |
3563 | ev_async_start (EV_P_ ev_async *w) |
3551 | { |
3564 | { |
3552 | if (expect_false (ev_is_active (w))) |
3565 | if (expect_false (ev_is_active (w))) |
3553 | return; |
3566 | return; |
3554 | |
3567 | |
|
|
3568 | w->sent = 0; |
|
|
3569 | |
3555 | evpipe_init (EV_A); |
3570 | evpipe_init (EV_A); |
3556 | |
3571 | |
3557 | EV_FREQUENT_CHECK; |
3572 | EV_FREQUENT_CHECK; |
3558 | |
3573 | |
3559 | ev_start (EV_A_ (W)w, ++asynccnt); |
3574 | ev_start (EV_A_ (W)w, ++asynccnt); |
… | |
… | |
3636 | { |
3651 | { |
3637 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3652 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
3638 | |
3653 | |
3639 | if (expect_false (!once)) |
3654 | if (expect_false (!once)) |
3640 | { |
3655 | { |
3641 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
3656 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
3642 | return; |
3657 | return; |
3643 | } |
3658 | } |
3644 | |
3659 | |
3645 | once->cb = cb; |
3660 | once->cb = cb; |
3646 | once->arg = arg; |
3661 | once->arg = arg; |
… | |
… | |
3778 | |
3793 | |
3779 | #if EV_MULTIPLICITY |
3794 | #if EV_MULTIPLICITY |
3780 | #include "ev_wrap.h" |
3795 | #include "ev_wrap.h" |
3781 | #endif |
3796 | #endif |
3782 | |
3797 | |
3783 | #ifdef __cplusplus |
3798 | EV_CPP(}) |
3784 | } |
|
|
3785 | #endif |
|
|
3786 | |
3799 | |