… | |
… | |
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) |
… | |
… | |
140 | # include <sys/types.h> |
145 | # include <sys/types.h> |
141 | # endif |
146 | # endif |
142 | # include <sys/stat.h> |
147 | # include <sys/stat.h> |
143 | #endif |
148 | #endif |
144 | |
149 | |
|
|
150 | #ifdef __cplusplus |
|
|
151 | # define EV_DEFARG(x) = x |
|
|
152 | #else |
|
|
153 | # define EV_DEFARG(x) |
|
|
154 | #endif |
|
|
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; |
148 | # define EV_P struct ev_loop *loop |
159 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
149 | # define EV_P_ EV_P, |
160 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
150 | # define EV_A loop |
161 | # define EV_A loop /* a loop as sole argument to a function call */ |
151 | # define EV_A_ EV_A, |
162 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
152 | # define EV_DEFAULT_UC ev_default_loop_uc () |
163 | # define EV_DEFAULT_UC ev_default_loop_uc () /* the default loop, if initialised, as sole arg */ |
153 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
164 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
154 | # define EV_DEFAULT ev_default_loop (0) |
165 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
155 | # define EV_DEFAULT_ EV_DEFAULT, |
166 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
|
|
167 | # define EV_PDEF EV_P EV_DEFARG (EV_DEFAULT_UC) /* EV_P, but with default argument in C++ */ |
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... */ |
184 | //TODO: enum? |
197 | enum { |
185 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
198 | EV_UNDEF = -1, /* guaranteed to be invalid */ |
186 | #define EV_NONE 0x00 /* no events */ |
199 | EV_NONE = 0x00, /* no events */ |
187 | #define EV_READ 0x01 /* ev_io detected read will not block */ |
200 | EV_READ = 0x01, /* ev_io detected read will not block */ |
188 | #define EV_WRITE 0x02 /* ev_io detected write will not block */ |
201 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
189 | #define EV__IOFDSET 0x80 /* internal use only */ |
202 | EV__IOFDSET = 0x80, /* internal use only */ |
190 | #define EV_IO EV_READ /* alias for type-detection */ |
203 | EV_IO = EV_READ, /* alias for type-detection */ |
191 | #define EV_TIMER 0x00000100 /* timer timed out */ |
204 | EV_TIMER = 0x00000100, /* timer timed out */ |
|
|
205 | #if EV_COMPAT3 |
192 | #define EV_TIMEOUT EV_TIMER /* pre 4.0 API compatibility */ |
206 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
|
|
207 | #endif |
193 | #define EV_PERIODIC 0x00000200 /* periodic timer timed out */ |
208 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
194 | #define EV_SIGNAL 0x00000400 /* signal was received */ |
209 | EV_SIGNAL = 0x00000400, /* signal was received */ |
195 | #define EV_CHILD 0x00000800 /* child/pid had status change */ |
210 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
196 | #define EV_STAT 0x00001000 /* stat data changed */ |
211 | EV_STAT = 0x00001000, /* stat data changed */ |
197 | #define EV_IDLE 0x00002000 /* event loop is idling */ |
212 | EV_IDLE = 0x00002000, /* event loop is idling */ |
198 | #define EV_PREPARE 0x00004000 /* event loop about to poll */ |
213 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
199 | #define EV_CHECK 0x00008000 /* event loop finished poll */ |
214 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
200 | #define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
215 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
201 | #define EV_FORK 0x00020000 /* event loop resumed in child */ |
216 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
202 | #define EV_ASYNC 0x00040000 /* async intra-loop signal */ |
217 | EV_ASYNC = 0x00040000, /* async intra-loop signal */ |
203 | #define EV_CUSTOM 0x01000000 /* for use by user code */ |
218 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
204 | #define EV_ERROR 0x80000000 /* sent when an error occurs */ |
219 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
|
|
220 | }; |
205 | |
221 | |
206 | /* 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 */ |
207 | #ifndef EV_COMMON |
223 | #ifndef EV_COMMON |
208 | # define EV_COMMON void *data; |
224 | # define EV_COMMON void *data; |
209 | #endif |
225 | #endif |
… | |
… | |
442 | #if EV_ASYNC_ENABLE |
458 | #if EV_ASYNC_ENABLE |
443 | struct ev_async async; |
459 | struct ev_async async; |
444 | #endif |
460 | #endif |
445 | }; |
461 | }; |
446 | |
462 | |
447 | //TODO: enum? |
|
|
448 | /* bits for ev_default_loop and ev_loop_new */ |
463 | /* flag bits for ev_default_loop and ev_loop_new */ |
|
|
464 | enum { |
449 | /* the default */ |
465 | /* the default */ |
450 | #define EVFLAG_AUTO 0x00000000U /* not quite a mask */ |
466 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
451 | /* flag bits */ |
467 | /* flag bits */ |
452 | #define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ |
468 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
453 | #define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ |
469 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
454 | /* debugging/feature disable */ |
470 | /* debugging/feature disable */ |
455 | #define EVFLAG_NOINOTIFY 0x00100000U /* do not attempt to use inotify */ |
471 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
|
|
472 | #if EV_COMPAT3 |
456 | #define EVFLAG_NOSIGFD 0 /* compatibility to pre-3.9 */ |
473 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
|
|
474 | #endif |
457 | #define EVFLAG_SIGNALFD 0x00200000U /* attempt to use signalfd */ |
475 | EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ |
458 | //TODO: enum? |
476 | }; |
|
|
477 | |
459 | /* method bits to be ored together */ |
478 | /* method bits to be ored together */ |
|
|
479 | enum { |
460 | #define EVBACKEND_SELECT 0x00000001U /* about anywhere */ |
480 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
461 | #define EVBACKEND_POLL 0x00000002U /* !win */ |
481 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
462 | #define EVBACKEND_EPOLL 0x00000004U /* linux */ |
482 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
463 | #define EVBACKEND_KQUEUE 0x00000008U /* bsd */ |
483 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
464 | #define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ |
484 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
465 | #define EVBACKEND_PORT 0x00000020U /* solaris 10 */ |
485 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
466 | #define EVBACKEND_ALL 0x0000003FU |
486 | EVBACKEND_ALL = 0x0000003FU |
|
|
487 | }; |
467 | |
488 | |
468 | #if EV_PROTOTYPES |
489 | #if EV_PROTOTYPES |
469 | int ev_version_major (void); |
490 | int ev_version_major (void); |
470 | int ev_version_minor (void); |
491 | int ev_version_minor (void); |
471 | |
492 | |
… | |
… | |
500 | } |
521 | } |
501 | |
522 | |
502 | /* 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 */ |
503 | /* you can call this as often as you like */ |
524 | /* you can call this as often as you like */ |
504 | EV_INLINE struct ev_loop * |
525 | EV_INLINE struct ev_loop * |
505 | ev_default_loop (unsigned int flags) |
526 | ev_default_loop (unsigned int flags EV_DEFARG (0)) |
506 | { |
527 | { |
507 | struct ev_loop *loop = ev_default_loop_uc (); |
528 | struct ev_loop *loop = ev_default_loop_uc (); |
508 | |
529 | |
509 | if (!loop) |
530 | if (!loop) |
510 | { |
531 | { |
… | |
… | |
515 | |
536 | |
516 | return loop; |
537 | return loop; |
517 | } |
538 | } |
518 | |
539 | |
519 | /* create and destroy alternative loops that don't handle signals */ |
540 | /* create and destroy alternative loops that don't handle signals */ |
520 | struct ev_loop *ev_loop_new (unsigned int flags); |
541 | struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0)); |
521 | void ev_loop_destroy (EV_P); |
542 | void ev_loop_destroy (EV_PDEF); |
522 | void ev_loop_fork (EV_P); |
543 | void ev_loop_fork (EV_PDEF); |
523 | |
544 | |
524 | 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 */ |
525 | |
546 | |
526 | #else |
547 | #else |
527 | |
548 | |
528 | 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 */ |
529 | |
550 | |
530 | EV_INLINE ev_tstamp |
551 | EV_INLINE ev_tstamp |
531 | ev_now (void) |
552 | ev_now (void) |
532 | { |
553 | { |
533 | extern ev_tstamp ev_rt_now; |
554 | extern ev_tstamp ev_rt_now; |
… | |
… | |
535 | return ev_rt_now; |
556 | return ev_rt_now; |
536 | } |
557 | } |
537 | #endif /* multiplicity */ |
558 | #endif /* multiplicity */ |
538 | |
559 | |
539 | EV_INLINE int |
560 | EV_INLINE int |
540 | ev_is_default_loop (EV_P) |
561 | ev_is_default_loop (EV_PDEF) |
541 | { |
562 | { |
542 | #if EV_MULTIPLICITY |
563 | #if EV_MULTIPLICITY |
543 | extern struct ev_loop *ev_default_loop_ptr; |
564 | extern struct ev_loop *ev_default_loop_ptr; |
544 | |
565 | |
545 | return !!(EV_A == ev_default_loop_ptr); |
566 | return !!(EV_A == ev_default_loop_ptr); |
… | |
… | |
553 | /* 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 */ |
554 | /* you can call it in either the parent or the child */ |
575 | /* you can call it in either the parent or the child */ |
555 | /* you can actually call it at any time, anywhere :) */ |
576 | /* you can actually call it at any time, anywhere :) */ |
556 | void ev_default_fork (void); |
577 | void ev_default_fork (void); |
557 | |
578 | |
558 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
579 | unsigned int ev_backend (EV_PDEF); /* backend in use by loop */ |
559 | |
580 | |
560 | void ev_now_update (EV_P); /* update event loop time */ |
581 | void ev_now_update (EV_PDEF); /* update event loop time */ |
561 | |
582 | |
562 | #if EV_WALK_ENABLE |
583 | #if EV_WALK_ENABLE |
563 | /* 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 */ |
564 | /* callback on every such watcher. The callback might stop the watcher, */ |
585 | /* callback on every such watcher. The callback might stop the watcher, */ |
565 | /* but do nothing else with the loop */ |
586 | /* but do nothing else with the loop */ |
566 | 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)); |
567 | #endif |
588 | #endif |
568 | |
589 | |
569 | #endif /* prototypes */ |
590 | #endif /* prototypes */ |
570 | |
591 | |
571 | //TODO: enum? |
592 | /* ev_run flags values */ |
|
|
593 | enum { |
572 | #define EVRUN_NOWAIT 1 /* do not block/wait */ |
594 | EVRUN_NOWAIT = 1, /* do not block/wait */ |
573 | #define EVRUN_ONCE 2 /* block *once* only */ |
595 | EVRUN_ONCE = 2 /* block *once* only */ |
|
|
596 | }; |
574 | |
597 | |
|
|
598 | /* ev_break how values */ |
|
|
599 | enum { |
575 | #define EVBREAK_CANCEL 0 /* undo unloop */ |
600 | EVBREAK_CANCEL = 0, /* undo unloop */ |
576 | #define EVBREAK_ONE 1 /* unloop once */ |
601 | EVBREAK_ONE = 1, /* unloop once */ |
577 | #define EVBREAK_ALL 2 /* unloop all loops */ |
602 | EVBREAK_ALL = 2 /* unloop all loops */ |
|
|
603 | }; |
578 | |
604 | |
579 | #if EV_PROTOTYPES |
605 | #if EV_PROTOTYPES |
580 | void ev_run (EV_P_ int flags); |
606 | void ev_run (EV_P_ int flags EV_DEFARG (0)); |
581 | void ev_break (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 */ |
582 | |
608 | |
583 | /* |
609 | /* |
584 | * 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 |
585 | * 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 |
586 | * 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. |
587 | */ |
613 | */ |
588 | void ev_ref (EV_P); |
614 | void ev_ref (EV_PDEF); |
589 | void ev_unref (EV_P); |
615 | void ev_unref (EV_PDEF); |
590 | |
616 | |
591 | /* |
617 | /* |
592 | * 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 |
593 | * if timeout is < 0, do wait indefinitely |
619 | * if timeout is < 0, do wait indefinitely |
594 | */ |
620 | */ |
595 | 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); |
596 | |
622 | |
597 | # if EV_FEATURE_API |
623 | # if EV_FEATURE_API |
598 | unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
624 | unsigned int ev_iteration (EV_PDEF); /* number of loop iterations */ |
599 | 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 */ |
600 | void ev_verify (EV_P); /* abort if loop data corrupted */ |
626 | void ev_verify (EV_PDEF); /* abort if loop data corrupted */ |
601 | |
627 | |
602 | 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 */ |
603 | 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 */ |
604 | |
630 | |
605 | /* advanced stuff for threading etc. support, see docs */ |
631 | /* advanced stuff for threading etc. support, see docs */ |
606 | void ev_set_userdata (EV_P_ void *data); |
632 | void ev_set_userdata (EV_P_ void *data); |
607 | void *ev_userdata (EV_P); |
633 | void *ev_userdata (EV_PDEF); |
608 | 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)); |
609 | 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)); |
610 | |
636 | |
611 | 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 */ |
612 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
638 | void ev_invoke_pending (EV_PDEF); /* invoke all pending watchers */ |
613 | |
639 | |
614 | /* |
640 | /* |
615 | * stop/start the timer handling. |
641 | * stop/start the timer handling. |
616 | */ |
642 | */ |
617 | void ev_suspend (EV_P); |
643 | void ev_suspend (EV_PDEF); |
618 | void ev_resume (EV_P); |
644 | void ev_resume (EV_PDEF); |
619 | #endif |
645 | #endif |
620 | |
646 | |
621 | #endif |
647 | #endif |
622 | |
648 | |
623 | /* 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 */ |
… | |
… | |
752 | # if EV_ASYNC_ENABLE |
778 | # if EV_ASYNC_ENABLE |
753 | void ev_async_start (EV_P_ ev_async *w); |
779 | void ev_async_start (EV_P_ ev_async *w); |
754 | void ev_async_stop (EV_P_ ev_async *w); |
780 | void ev_async_stop (EV_P_ ev_async *w); |
755 | void ev_async_send (EV_P_ ev_async *w); |
781 | void ev_async_send (EV_P_ ev_async *w); |
756 | # endif |
782 | # endif |
757 | |
|
|
758 | /* pre-4.0 compatibility */ |
|
|
759 | #ifndef EV_COMPAT3 |
|
|
760 | # define EV_COMPAT3 1 |
|
|
761 | #endif |
|
|
762 | |
783 | |
763 | #if EV_COMPAT3 |
784 | #if EV_COMPAT3 |
764 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
785 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
765 | #define EVLOOP_ONESHOT EVRUN_ONCE |
786 | #define EVLOOP_ONESHOT EVRUN_ONCE |
766 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |
787 | #define EVUNLOOP_CANCEL EVBREAK_CANCEL |