… | |
… | |
44 | extern "C" { |
44 | extern "C" { |
45 | #endif |
45 | #endif |
46 | |
46 | |
47 | /*****************************************************************************/ |
47 | /*****************************************************************************/ |
48 | |
48 | |
|
|
49 | /* pre-4.0 compatibility */ |
|
|
50 | #ifndef EV_COMPAT3 |
|
|
51 | # define EV_COMPAT3 1 |
|
|
52 | #endif |
|
|
53 | |
49 | #ifndef EV_FEATURES |
54 | #ifndef EV_FEATURES |
50 | # define EV_FEATURES 0x7f |
55 | # define EV_FEATURES 0x7f |
51 | #endif |
56 | #endif |
52 | |
57 | |
53 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
58 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
… | |
… | |
138 | # ifdef _WIN32 |
143 | # ifdef _WIN32 |
139 | # include <time.h> |
144 | # include <time.h> |
140 | # include <sys/types.h> |
145 | # include <sys/types.h> |
141 | # endif |
146 | # endif |
142 | # include <sys/stat.h> |
147 | # include <sys/stat.h> |
|
|
148 | #endif |
|
|
149 | |
|
|
150 | #ifdef __cplusplus |
|
|
151 | # define EV_DEFARG(x) = x |
|
|
152 | #else |
|
|
153 | # define EV_DEFARG(x) |
143 | #endif |
154 | #endif |
144 | |
155 | |
145 | /* support multiple event loops? */ |
156 | /* support multiple event loops? */ |
146 | #if EV_MULTIPLICITY |
157 | #if EV_MULTIPLICITY |
147 | struct ev_loop; |
158 | struct ev_loop; |
… | |
… | |
151 | # define EV_A_ EV_A, |
162 | # define EV_A_ EV_A, |
152 | # define EV_DEFAULT_UC ev_default_loop_uc () |
163 | # define EV_DEFAULT_UC ev_default_loop_uc () |
153 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
164 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
154 | # define EV_DEFAULT ev_default_loop (0) |
165 | # define EV_DEFAULT ev_default_loop (0) |
155 | # define EV_DEFAULT_ EV_DEFAULT, |
166 | # define EV_DEFAULT_ EV_DEFAULT, |
|
|
167 | # define EV_PDEF EV_P EV_DEFARG (EV_DEFAULT_UC) |
156 | #else |
168 | #else |
157 | # define EV_P void |
169 | # define EV_P void |
158 | # define EV_P_ |
170 | # define EV_P_ |
159 | # define EV_A |
171 | # define EV_A |
160 | # define EV_A_ |
172 | # define EV_A_ |
161 | # define EV_DEFAULT |
173 | # define EV_DEFAULT |
162 | # define EV_DEFAULT_ |
174 | # define EV_DEFAULT_ |
163 | # define EV_DEFAULT_UC |
175 | # define EV_DEFAULT_UC |
164 | # define EV_DEFAULT_UC_ |
176 | # define EV_DEFAULT_UC_ |
|
|
177 | # define EV_PDEF EV_P |
165 | # undef EV_EMBED_ENABLE |
178 | # undef EV_EMBED_ENABLE |
166 | #endif |
179 | #endif |
167 | |
180 | |
168 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
181 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
169 | # define EV_INLINE static inline |
182 | # define EV_INLINE static inline |
… | |
… | |
179 | |
192 | |
180 | #define EV_VERSION_MAJOR 4 |
193 | #define EV_VERSION_MAJOR 4 |
181 | #define EV_VERSION_MINOR 0 |
194 | #define EV_VERSION_MINOR 0 |
182 | |
195 | |
183 | /* eventmask, revents, events... */ |
196 | /* eventmask, revents, events... */ |
|
|
197 | enum { |
184 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
198 | EV_UNDEF = -1, /* guaranteed to be invalid */ |
185 | #define EV_NONE 0x00 /* no events */ |
199 | EV_NONE = 0x00, /* no events */ |
186 | #define EV_READ 0x01 /* ev_io detected read will not block */ |
200 | EV_READ = 0x01, /* ev_io detected read will not block */ |
187 | #define EV_WRITE 0x02 /* ev_io detected write will not block */ |
201 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
188 | #define EV__IOFDSET 0x80 /* internal use only */ |
202 | EV__IOFDSET = 0x80, /* internal use only */ |
189 | #define EV_IO EV_READ /* alias for type-detection */ |
203 | EV_IO = EV_READ, /* alias for type-detection */ |
190 | #define EV_TIMER 0x00000100 /* timer timed out */ |
204 | EV_TIMER = 0x00000100, /* timer timed out */ |
|
|
205 | #if EV_COMPAT3 |
191 | #define EV_TIMEOUT EV_TIMER /* pre 4.0 API compatibility */ |
206 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
|
|
207 | #endif |
192 | #define EV_PERIODIC 0x00000200 /* periodic timer timed out */ |
208 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
193 | #define EV_SIGNAL 0x00000400 /* signal was received */ |
209 | EV_SIGNAL = 0x00000400, /* signal was received */ |
194 | #define EV_CHILD 0x00000800 /* child/pid had status change */ |
210 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
195 | #define EV_STAT 0x00001000 /* stat data changed */ |
211 | EV_STAT = 0x00001000, /* stat data changed */ |
196 | #define EV_IDLE 0x00002000 /* event loop is idling */ |
212 | EV_IDLE = 0x00002000, /* event loop is idling */ |
197 | #define EV_PREPARE 0x00004000 /* event loop about to poll */ |
213 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
198 | #define EV_CHECK 0x00008000 /* event loop finished poll */ |
214 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
199 | #define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
215 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
200 | #define EV_FORK 0x00020000 /* event loop resumed in child */ |
216 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
201 | #define EV_ASYNC 0x00040000 /* async intra-loop signal */ |
217 | EV_ASYNC = 0x00040000, /* async intra-loop signal */ |
202 | #define EV_CUSTOM 0x01000000 /* for use by user code */ |
218 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
203 | #define EV_ERROR 0x80000000 /* sent when an error occurs */ |
219 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
|
|
220 | }; |
204 | |
221 | |
205 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
222 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
206 | #ifndef EV_COMMON |
223 | #ifndef EV_COMMON |
207 | # define EV_COMMON void *data; |
224 | # define EV_COMMON void *data; |
208 | #endif |
225 | #endif |
… | |
… | |
441 | #if EV_ASYNC_ENABLE |
458 | #if EV_ASYNC_ENABLE |
442 | struct ev_async async; |
459 | struct ev_async async; |
443 | #endif |
460 | #endif |
444 | }; |
461 | }; |
445 | |
462 | |
446 | /* bits for ev_default_loop and ev_loop_new */ |
463 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
464 | enum { |
447 | /* the default */ |
465 | /* the default */ |
448 | #define EVFLAG_AUTO 0x00000000U /* not quite a mask */ |
466 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
449 | /* flag bits */ |
467 | /* flag bits */ |
450 | #define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ |
468 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
451 | #define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ |
469 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
452 | /* debugging/feature disable */ |
470 | /* debugging/feature disable */ |
453 | #define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */ |
471 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
472 | #if EV_COMPAT3 |
454 | #define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */ |
473 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
474 | #endif |
455 | #define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */ |
475 | EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ |
|
|
476 | }; |
|
|
477 | |
456 | /* method bits to be ored together */ |
478 | /* method bits to be ored together */ |
|
|
479 | enum { |
457 | #define EVBACKEND_SELECT 0x00000001U /* about anywhere */ |
480 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
458 | #define EVBACKEND_POLL 0x00000002U /* !win */ |
481 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
459 | #define EVBACKEND_EPOLL 0x00000004U /* linux */ |
482 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
460 | #define EVBACKEND_KQUEUE 0x00000008U /* bsd */ |
483 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
461 | #define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ |
484 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
462 | #define EVBACKEND_PORT 0x00000020U /* solaris 10 */ |
485 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
463 | #define EVBACKEND_ALL 0x0000003FU |
486 | EVBACKEND_ALL = 0x0000003FU |
|
|
487 | }; |
464 | |
488 | |
465 | #if EV_PROTOTYPES |
489 | #if EV_PROTOTYPES |
466 | int ev_version_major (void); |
490 | int ev_version_major (void); |
467 | int ev_version_minor (void); |
491 | int ev_version_minor (void); |
468 | |
492 | |
… | |
… | |
497 | } |
521 | } |
498 | |
522 | |
499 | /* the default loop is the only one that handles signals and child watchers */ |
523 | /* the default loop is the only one that handles signals and child watchers */ |
500 | /* you can call this as often as you like */ |
524 | /* you can call this as often as you like */ |
501 | EV_INLINE struct ev_loop * |
525 | EV_INLINE struct ev_loop * |
502 | ev_default_loop (unsigned int flags) |
526 | ev_default_loop (unsigned int flags EV_DEFARG (0)) |
503 | { |
527 | { |
504 | struct ev_loop *loop = ev_default_loop_uc (); |
528 | struct ev_loop *loop = ev_default_loop_uc (); |
505 | |
529 | |
506 | if (!loop) |
530 | if (!loop) |
507 | { |
531 | { |
… | |
… | |
512 | |
536 | |
513 | return loop; |
537 | return loop; |
514 | } |
538 | } |
515 | |
539 | |
516 | /* create and destroy alternative loops that don't handle signals */ |
540 | /* create and destroy alternative loops that don't handle signals */ |
517 | struct ev_loop *ev_loop_new (unsigned int flags); |
541 | struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0)); |
518 | void ev_loop_destroy (EV_P); |
542 | void ev_loop_destroy (EV_PDEF); |
519 | void ev_loop_fork (EV_P); |
543 | void ev_loop_fork (EV_PDEF); |
520 | |
544 | |
521 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
545 | ev_tstamp ev_now (EV_PDEF); /* time w.r.t. timers and the eventloop, updated after each poll */ |
522 | |
546 | |
523 | #else |
547 | #else |
524 | |
548 | |
525 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
549 | int ev_default_loop (unsigned int flags EV_DEFARG (0)); /* returns true when successful */ |
526 | |
550 | |
527 | EV_INLINE ev_tstamp |
551 | EV_INLINE ev_tstamp |
528 | ev_now (void) |
552 | ev_now (void) |
529 | { |
553 | { |
530 | extern ev_tstamp ev_rt_now; |
554 | extern ev_tstamp ev_rt_now; |
… | |
… | |
532 | return ev_rt_now; |
556 | return ev_rt_now; |
533 | } |
557 | } |
534 | #endif /* multiplicity */ |
558 | #endif /* multiplicity */ |
535 | |
559 | |
536 | EV_INLINE int |
560 | EV_INLINE int |
537 | ev_is_default_loop (EV_P) |
561 | ev_is_default_loop (EV_PDEF) |
538 | { |
562 | { |
539 | #if EV_MULTIPLICITY |
563 | #if EV_MULTIPLICITY |
540 | extern struct ev_loop *ev_default_loop_ptr; |
564 | extern struct ev_loop *ev_default_loop_ptr; |
541 | |
565 | |
542 | return !!(EV_A == ev_default_loop_ptr); |
566 | return !!(EV_A == ev_default_loop_ptr); |
… | |
… | |
550 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
574 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
551 | /* you can call it in either the parent or the child */ |
575 | /* you can call it in either the parent or the child */ |
552 | /* you can actually call it at any time, anywhere :) */ |
576 | /* you can actually call it at any time, anywhere :) */ |
553 | void ev_default_fork (void); |
577 | void ev_default_fork (void); |
554 | |
578 | |
555 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
579 | unsigned int ev_backend (EV_PDEF); /* backend in use by loop */ |
556 | |
580 | |
557 | void ev_now_update (EV_P); /* update event loop time */ |
581 | void ev_now_update (EV_PDEF); /* update event loop time */ |
558 | |
582 | |
559 | #if EV_WALK_ENABLE |
583 | #if EV_WALK_ENABLE |
560 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
584 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
561 | /* callback on every such watcher. The callback might stop the watcher, */ |
585 | /* callback on every such watcher. The callback might stop the watcher, */ |
562 | /* but do nothing else with the loop */ |
586 | /* but do nothing else with the loop */ |
563 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
587 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
564 | #endif |
588 | #endif |
565 | |
589 | |
566 | #endif /* prototypes */ |
590 | #endif /* prototypes */ |
567 | |
591 | |
568 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
592 | /* ev_run flags values */ |
569 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
593 | enum { |
570 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
594 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
571 | #define EVUNLOOP_ONE 1 /* unloop once */ |
595 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
596 | }; |
|
|
597 | |
|
|
598 | /* ev_break how values */ |
|
|
599 | enum { |
|
|
600 | EVBREAK_CANCEL = 0, /* undo unloop */ |
|
|
601 | EVBREAK_ONE = 1, /* unloop once */ |
572 | #define EVUNLOOP_ALL 2 /* unloop all loops */ |
602 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
603 | }; |
573 | |
604 | |
574 | #if EV_PROTOTYPES |
605 | #if EV_PROTOTYPES |
575 | void ev_loop (EV_P_ int flags); |
606 | void ev_run (EV_P_ int flags EV_DEFARG (0)); |
576 | void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
607 | void ev_break (EV_P_ int how EV_DEFARG (EVBREAK_ONE)); /* break out of the loop */ |
577 | |
608 | |
578 | /* |
609 | /* |
579 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
610 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
580 | * keeps one reference. if you have a long-running watcher you never unregister that |
611 | * keeps one reference. if you have a long-running watcher you never unregister that |
581 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
612 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
582 | */ |
613 | */ |
583 | void ev_ref (EV_P); |
614 | void ev_ref (EV_PDEF); |
584 | void ev_unref (EV_P); |
615 | void ev_unref (EV_PDEF); |
585 | |
616 | |
586 | /* |
617 | /* |
587 | * convenience function, wait for a single event, without registering an event watcher |
618 | * convenience function, wait for a single event, without registering an event watcher |
588 | * if timeout is < 0, do wait indefinitely |
619 | * if timeout is < 0, do wait indefinitely |
589 | */ |
620 | */ |
590 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
621 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
591 | |
622 | |
592 | # if EV_FEATURE_API |
623 | # if EV_FEATURE_API |
593 | unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
624 | unsigned int ev_iteration (EV_PDEF); /* number of loop iterations */ |
594 | unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
625 | unsigned int ev_depth (EV_PDEF); /* #ev_loop enters - #ev_loop leaves */ |
595 | void ev_verify (EV_P); /* abort if loop data corrupted */ |
626 | void ev_verify (EV_PDEF); /* abort if loop data corrupted */ |
596 | |
|
|
597 | /* pre 4.0 API compatibility */ |
|
|
598 | # if EV_MULTIPLICITY |
|
|
599 | # define ev_loop_count(l) ev_iteration (l) |
|
|
600 | # define ev_loop_depth(l) ev_depth (l) |
|
|
601 | # define ev_loop_verify(l) ev_verify (l) |
|
|
602 | # endif |
|
|
603 | |
627 | |
604 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
628 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
605 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
629 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
606 | |
630 | |
607 | /* advanced stuff for threading etc. support, see docs */ |
631 | /* advanced stuff for threading etc. support, see docs */ |
608 | void ev_set_userdata (EV_P_ void *data); |
632 | void ev_set_userdata (EV_P_ void *data); |
609 | void *ev_userdata (EV_P); |
633 | void *ev_userdata (EV_PDEF); |
610 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
634 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
611 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
635 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
612 | |
636 | |
613 | unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
637 | unsigned int ev_pending_count (EV_PDEF); /* number of pending events, if any */ |
614 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
638 | void ev_invoke_pending (EV_PDEF); /* invoke all pending watchers */ |
615 | |
639 | |
616 | /* |
640 | /* |
617 | * stop/start the timer handling. |
641 | * stop/start the timer handling. |
618 | */ |
642 | */ |
619 | void ev_suspend (EV_P); |
643 | void ev_suspend (EV_PDEF); |
620 | void ev_resume (EV_P); |
644 | void ev_resume (EV_PDEF); |
621 | #endif |
645 | #endif |
622 | |
646 | |
623 | #endif |
647 | #endif |
624 | |
648 | |
625 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
649 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
… | |
… | |
755 | void ev_async_start (EV_P_ ev_async *w); |
779 | void ev_async_start (EV_P_ ev_async *w); |
756 | void ev_async_stop (EV_P_ ev_async *w); |
780 | void ev_async_stop (EV_P_ ev_async *w); |
757 | void ev_async_send (EV_P_ ev_async *w); |
781 | void ev_async_send (EV_P_ ev_async *w); |
758 | # endif |
782 | # endif |
759 | |
783 | |
|
|
784 | #if EV_COMPAT3 |
|
|
785 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
|
|
786 | #define EVLOOP_ONESHOT EVRUN_ONCE |
|
|
787 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
|
|
788 | #define EVUNLOOP_ONE EVBREAK_ONE |
|
|
789 | #define EVUNLOOP_ALL EVBREAK_ALL |
|
|
790 | #if EV_PROTOTYPES |
|
|
791 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
|
|
792 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
|
|
793 | #if EV_FEATURE_API |
|
|
794 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
|
|
795 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
|
|
796 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
|
|
797 | #endif |
|
|
798 | #endif |
|
|
799 | #else |
|
|
800 | typedef struct ev_loop ev_loop; |
|
|
801 | #endif |
|
|
802 | |
760 | #endif |
803 | #endif |
761 | |
804 | |
762 | #ifdef __cplusplus |
805 | #ifdef __cplusplus |
763 | } |
806 | } |
764 | #endif |
807 | #endif |