1 | /* |
1 | /* |
2 | * libev native API header |
2 | * libev native API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
11 | * this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
12 | * |
12 | * |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
… | |
… | |
44 | # define EV_CPP(x) x |
44 | # define EV_CPP(x) x |
45 | #else |
45 | #else |
46 | # define EV_CPP(x) |
46 | # define EV_CPP(x) |
47 | #endif |
47 | #endif |
48 | |
48 | |
|
|
49 | #define EV_THROW EV_CPP(throw()) |
|
|
50 | |
49 | EV_CPP(extern "C" {) |
51 | EV_CPP(extern "C" {) |
50 | |
52 | |
51 | /*****************************************************************************/ |
53 | /*****************************************************************************/ |
52 | |
54 | |
53 | /* pre-4.0 compatibility */ |
55 | /* pre-4.0 compatibility */ |
54 | #ifndef EV_COMPAT3 |
56 | #ifndef EV_COMPAT3 |
55 | # define EV_COMPAT3 1 |
57 | # define EV_COMPAT3 1 |
56 | #endif |
58 | #endif |
57 | |
59 | |
58 | #ifndef EV_FEATURES |
60 | #ifndef EV_FEATURES |
|
|
61 | # if defined __OPTIMIZE_SIZE__ |
|
|
62 | # define EV_FEATURES 0x7c |
|
|
63 | # else |
59 | # define EV_FEATURES 0x7f |
64 | # define EV_FEATURES 0x7f |
|
|
65 | # endif |
60 | #endif |
66 | #endif |
61 | |
67 | |
62 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
68 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
63 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
69 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
64 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
70 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
… | |
… | |
102 | #ifndef EV_FORK_ENABLE |
108 | #ifndef EV_FORK_ENABLE |
103 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
109 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
104 | #endif |
110 | #endif |
105 | |
111 | |
106 | #ifndef EV_CLEANUP_ENABLE |
112 | #ifndef EV_CLEANUP_ENABLE |
107 | # define EV_CLEANUP_ENABLE 0 /* not implemented */ |
113 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
108 | #endif |
114 | #endif |
109 | |
115 | |
110 | #ifndef EV_SIGNAL_ENABLE |
116 | #ifndef EV_SIGNAL_ENABLE |
111 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
117 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
112 | #endif |
118 | #endif |
… | |
… | |
183 | # define EV_INLINE static inline |
189 | # define EV_INLINE static inline |
184 | #else |
190 | #else |
185 | # define EV_INLINE static |
191 | # define EV_INLINE static |
186 | #endif |
192 | #endif |
187 | |
193 | |
|
|
194 | #ifdef EV_API_STATIC |
|
|
195 | # define EV_API_DECL static |
|
|
196 | #else |
|
|
197 | # define EV_API_DECL extern |
|
|
198 | #endif |
|
|
199 | |
188 | /* EV_PROTOTYPES can be sued to switch of prototype declarations */ |
200 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
189 | #ifndef EV_PROTOTYPES |
201 | #ifndef EV_PROTOTYPES |
190 | # define EV_PROTOTYPES 1 |
202 | # define EV_PROTOTYPES 1 |
191 | #endif |
203 | #endif |
192 | |
204 | |
193 | /*****************************************************************************/ |
205 | /*****************************************************************************/ |
194 | |
206 | |
195 | #define EV_VERSION_MAJOR 4 |
207 | #define EV_VERSION_MAJOR 4 |
196 | #define EV_VERSION_MINOR 0 |
208 | #define EV_VERSION_MINOR 15 |
197 | |
209 | |
198 | /* eventmask, revents, events... */ |
210 | /* eventmask, revents, events... */ |
199 | enum { |
211 | enum { |
200 | EV_UNDEF = -1, /* guaranteed to be invalid */ |
212 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
201 | EV_NONE = 0x00, /* no events */ |
213 | EV_NONE = 0x00, /* no events */ |
202 | EV_READ = 0x01, /* ev_io detected read will not block */ |
214 | EV_READ = 0x01, /* ev_io detected read will not block */ |
203 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
215 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
204 | EV__IOFDSET = 0x80, /* internal use only */ |
216 | EV__IOFDSET = 0x80, /* internal use only */ |
205 | EV_IO = EV_READ, /* alias for type-detection */ |
217 | EV_IO = EV_READ, /* alias for type-detection */ |
206 | EV_TIMER = 0x00000100, /* timer timed out */ |
218 | EV_TIMER = 0x00000100, /* timer timed out */ |
207 | #if EV_COMPAT3 |
219 | #if EV_COMPAT3 |
208 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
220 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
209 | #endif |
221 | #endif |
210 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
222 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
211 | EV_SIGNAL = 0x00000400, /* signal was received */ |
223 | EV_SIGNAL = 0x00000400, /* signal was received */ |
212 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
224 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
213 | EV_STAT = 0x00001000, /* stat data changed */ |
225 | EV_STAT = 0x00001000, /* stat data changed */ |
214 | EV_IDLE = 0x00002000, /* event loop is idling */ |
226 | EV_IDLE = 0x00002000, /* event loop is idling */ |
215 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
227 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
216 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
228 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
217 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
229 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
218 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
230 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
219 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
231 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
220 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
232 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
221 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
233 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
222 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
234 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
223 | }; |
235 | }; |
224 | |
236 | |
225 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
237 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
226 | #ifndef EV_COMMON |
238 | #ifndef EV_COMMON |
227 | # define EV_COMMON void *data; |
239 | # define EV_COMMON void *data; |
… | |
… | |
319 | { |
331 | { |
320 | EV_WATCHER_TIME (ev_periodic) |
332 | EV_WATCHER_TIME (ev_periodic) |
321 | |
333 | |
322 | ev_tstamp offset; /* rw */ |
334 | ev_tstamp offset; /* rw */ |
323 | ev_tstamp interval; /* rw */ |
335 | ev_tstamp interval; /* rw */ |
324 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
336 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */ |
325 | } ev_periodic; |
337 | } ev_periodic; |
326 | |
338 | |
327 | /* invoked when the given signal has been received */ |
339 | /* invoked when the given signal has been received */ |
328 | /* revent EV_SIGNAL */ |
340 | /* revent EV_SIGNAL */ |
329 | typedef struct ev_signal |
341 | typedef struct ev_signal |
… | |
… | |
489 | /* debugging/feature disable */ |
501 | /* debugging/feature disable */ |
490 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
502 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
491 | #if EV_COMPAT3 |
503 | #if EV_COMPAT3 |
492 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
504 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
493 | #endif |
505 | #endif |
494 | EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ |
506 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
|
|
507 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
495 | }; |
508 | }; |
496 | |
509 | |
497 | /* method bits to be ored together */ |
510 | /* method bits to be ored together */ |
498 | enum { |
511 | enum { |
499 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
512 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
500 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
513 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
501 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
514 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
502 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
515 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
503 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
516 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
504 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
517 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
505 | EVBACKEND_ALL = 0x0000003FU |
518 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
|
|
519 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
506 | }; |
520 | }; |
507 | |
521 | |
508 | #if EV_PROTOTYPES |
522 | #if EV_PROTOTYPES |
509 | int ev_version_major (void); |
523 | EV_API_DECL int ev_version_major (void) EV_THROW; |
510 | int ev_version_minor (void); |
524 | EV_API_DECL int ev_version_minor (void) EV_THROW; |
511 | |
525 | |
512 | unsigned int ev_supported_backends (void); |
526 | EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW; |
513 | unsigned int ev_recommended_backends (void); |
527 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW; |
514 | unsigned int ev_embeddable_backends (void); |
528 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW; |
515 | |
529 | |
516 | ev_tstamp ev_time (void); |
530 | EV_API_DECL ev_tstamp ev_time (void) EV_THROW; |
517 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
531 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */ |
518 | |
532 | |
519 | /* Sets the allocation function to use, works like realloc. |
533 | /* Sets the allocation function to use, works like realloc. |
520 | * It is used to allocate and free memory. |
534 | * It is used to allocate and free memory. |
521 | * If it returns zero when memory needs to be allocated, the library might abort |
535 | * If it returns zero when memory needs to be allocated, the library might abort |
522 | * or take some potentially destructive action. |
536 | * or take some potentially destructive action. |
523 | * The default is your system realloc function. |
537 | * The default is your system realloc function. |
524 | */ |
538 | */ |
525 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
539 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW; |
526 | |
540 | |
527 | /* set the callback function to call on a |
541 | /* set the callback function to call on a |
528 | * retryable syscall error |
542 | * retryable syscall error |
529 | * (such as failed select, poll, epoll_wait) |
543 | * (such as failed select, poll, epoll_wait) |
530 | */ |
544 | */ |
531 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
545 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW; |
532 | |
546 | |
533 | #if EV_MULTIPLICITY |
547 | #if EV_MULTIPLICITY |
534 | |
548 | |
535 | /* the default loop is the only one that handles signals and child watchers */ |
549 | /* the default loop is the only one that handles signals and child watchers */ |
536 | /* you can call this as often as you like */ |
550 | /* you can call this as often as you like */ |
537 | struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); |
551 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; |
|
|
552 | |
|
|
553 | #ifdef EV_API_STATIC |
|
|
554 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
|
|
555 | #endif |
538 | |
556 | |
539 | EV_INLINE struct ev_loop * |
557 | EV_INLINE struct ev_loop * |
540 | ev_default_loop_uc_ (void) |
558 | ev_default_loop_uc_ (void) EV_THROW |
541 | { |
559 | { |
542 | extern struct ev_loop *ev_default_loop_ptr; |
560 | extern struct ev_loop *ev_default_loop_ptr; |
543 | |
561 | |
544 | return ev_default_loop_ptr; |
562 | return ev_default_loop_ptr; |
545 | } |
563 | } |
546 | |
564 | |
547 | EV_INLINE int |
565 | EV_INLINE int |
548 | ev_is_default_loop (EV_P) |
566 | ev_is_default_loop (EV_P) EV_THROW |
549 | { |
567 | { |
550 | return EV_A == EV_DEFAULT_UC; |
568 | return EV_A == EV_DEFAULT_UC; |
551 | } |
569 | } |
552 | |
570 | |
553 | /* create and destroy alternative loops that don't handle signals */ |
571 | /* create and destroy alternative loops that don't handle signals */ |
554 | struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); |
572 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW; |
555 | /* destroy event loops, also works for the default loop */ |
|
|
556 | void ev_loop_destroy (EV_P); |
|
|
557 | |
573 | |
558 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
574 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */ |
559 | |
575 | |
560 | #else |
576 | #else |
561 | |
577 | |
562 | int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ |
578 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */ |
|
|
579 | |
|
|
580 | EV_API_DECL ev_tstamp ev_rt_now; |
563 | |
581 | |
564 | EV_INLINE ev_tstamp |
582 | EV_INLINE ev_tstamp |
565 | ev_now (void) |
583 | ev_now (void) EV_THROW |
566 | { |
584 | { |
567 | extern ev_tstamp ev_rt_now; |
|
|
568 | |
|
|
569 | return ev_rt_now; |
585 | return ev_rt_now; |
570 | } |
586 | } |
571 | |
587 | |
572 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
588 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
573 | EV_INLINE int |
589 | EV_INLINE int |
574 | ev_is_default_loop (void) |
590 | ev_is_default_loop (void) EV_THROW |
575 | { |
591 | { |
576 | return 1; |
592 | return 1; |
577 | } |
593 | } |
578 | |
594 | |
579 | #endif /* multiplicity */ |
595 | #endif /* multiplicity */ |
|
|
596 | |
|
|
597 | /* destroy event loops, also works for the default loop */ |
|
|
598 | EV_API_DECL void ev_loop_destroy (EV_P); |
580 | |
599 | |
581 | /* this needs to be called after fork, to duplicate the loop */ |
600 | /* this needs to be called after fork, to duplicate the loop */ |
582 | /* when you want to re-use it in the child */ |
601 | /* when you want to re-use it in the child */ |
583 | /* you can call it in either the parent or the child */ |
602 | /* you can call it in either the parent or the child */ |
584 | /* you can actually call it at any time, anywhere :) */ |
603 | /* you can actually call it at any time, anywhere :) */ |
585 | void ev_loop_fork (EV_P); |
604 | EV_API_DECL void ev_loop_fork (EV_P) EV_THROW; |
586 | |
605 | |
587 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
606 | EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */ |
588 | |
607 | |
589 | void ev_now_update (EV_P); /* update event loop time */ |
608 | EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */ |
590 | |
609 | |
591 | #if EV_WALK_ENABLE |
610 | #if EV_WALK_ENABLE |
592 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
611 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
593 | /* callback on every such watcher. The callback might stop the watcher, */ |
612 | /* callback on every such watcher. The callback might stop the watcher, */ |
594 | /* but do nothing else with the loop */ |
613 | /* but do nothing else with the loop */ |
595 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
614 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW; |
596 | #endif |
615 | #endif |
597 | |
616 | |
598 | #endif /* prototypes */ |
617 | #endif /* prototypes */ |
599 | |
618 | |
600 | /* ev_run flags values */ |
619 | /* ev_run flags values */ |
… | |
… | |
609 | EVBREAK_ONE = 1, /* unloop once */ |
628 | EVBREAK_ONE = 1, /* unloop once */ |
610 | EVBREAK_ALL = 2 /* unloop all loops */ |
629 | EVBREAK_ALL = 2 /* unloop all loops */ |
611 | }; |
630 | }; |
612 | |
631 | |
613 | #if EV_PROTOTYPES |
632 | #if EV_PROTOTYPES |
614 | void ev_run (EV_P_ int flags EV_CPP (= 0)); |
633 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
615 | void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ |
634 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */ |
616 | |
635 | |
617 | /* |
636 | /* |
618 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
637 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
619 | * keeps one reference. if you have a long-running watcher you never unregister that |
638 | * keeps one reference. if you have a long-running watcher you never unregister that |
620 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
639 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
621 | */ |
640 | */ |
622 | void ev_ref (EV_P); |
641 | EV_API_DECL void ev_ref (EV_P) EV_THROW; |
623 | void ev_unref (EV_P); |
642 | EV_API_DECL void ev_unref (EV_P) EV_THROW; |
624 | |
643 | |
625 | /* |
644 | /* |
626 | * convenience function, wait for a single event, without registering an event watcher |
645 | * convenience function, wait for a single event, without registering an event watcher |
627 | * if timeout is < 0, do wait indefinitely |
646 | * if timeout is < 0, do wait indefinitely |
628 | */ |
647 | */ |
629 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
648 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW; |
630 | |
649 | |
631 | # if EV_FEATURE_API |
650 | # if EV_FEATURE_API |
632 | unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
651 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */ |
633 | unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
652 | EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */ |
634 | void ev_verify (EV_P); /* abort if loop data corrupted */ |
653 | EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */ |
635 | |
654 | |
636 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
655 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
637 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
656 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
638 | |
657 | |
639 | /* advanced stuff for threading etc. support, see docs */ |
658 | /* advanced stuff for threading etc. support, see docs */ |
640 | void ev_set_userdata (EV_P_ void *data); |
659 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
641 | void *ev_userdata (EV_P); |
660 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
642 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
661 | typedef void (*ev_loop_callback)(EV_P); |
643 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
662 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
|
|
663 | typedef void (*ev_loop_callback_nothrow)(EV_P) EV_THROW; |
|
|
664 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW; |
644 | |
665 | |
645 | unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
666 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
646 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
667 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
647 | |
668 | |
648 | /* |
669 | /* |
649 | * stop/start the timer handling. |
670 | * stop/start the timer handling. |
650 | */ |
671 | */ |
651 | void ev_suspend (EV_P); |
672 | EV_API_DECL void ev_suspend (EV_P) EV_THROW; |
652 | void ev_resume (EV_P); |
673 | EV_API_DECL void ev_resume (EV_P) EV_THROW; |
653 | #endif |
674 | #endif |
654 | |
675 | |
655 | #endif |
676 | #endif |
656 | |
677 | |
657 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
678 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
… | |
… | |
709 | #ifndef ev_set_cb |
730 | #ifndef ev_set_cb |
710 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
731 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
711 | #endif |
732 | #endif |
712 | |
733 | |
713 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
734 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
714 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
735 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
715 | #if EV_PROTOTYPES |
736 | #if EV_PROTOTYPES |
716 | |
737 | |
717 | /* feeds an event into a watcher as if the event actually occured */ |
738 | /* feeds an event into a watcher as if the event actually occurred */ |
718 | /* accepts any ev_watcher type */ |
739 | /* accepts any ev_watcher type */ |
719 | void ev_feed_event (EV_P_ void *w, int revents); |
740 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |
720 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
741 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW; |
721 | #if EV_SIGNAL_ENABLE |
742 | #if EV_SIGNAL_ENABLE |
|
|
743 | EV_API_DECL void ev_feed_signal (int signum) EV_THROW; |
722 | void ev_feed_signal_event (EV_P_ int signum); |
744 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW; |
723 | #endif |
745 | #endif |
724 | void ev_invoke (EV_P_ void *w, int revents); |
746 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
725 | int ev_clear_pending (EV_P_ void *w); |
747 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW; |
726 | |
748 | |
727 | void ev_io_start (EV_P_ ev_io *w); |
749 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW; |
728 | void ev_io_stop (EV_P_ ev_io *w); |
750 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW; |
729 | |
751 | |
730 | void ev_timer_start (EV_P_ ev_timer *w); |
752 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW; |
731 | void ev_timer_stop (EV_P_ ev_timer *w); |
753 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW; |
732 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
754 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
733 | void ev_timer_again (EV_P_ ev_timer *w); |
755 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW; |
734 | /* return remaining time */ |
756 | /* return remaining time */ |
735 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
757 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW; |
736 | |
758 | |
737 | #if EV_PERIODIC_ENABLE |
759 | #if EV_PERIODIC_ENABLE |
738 | void ev_periodic_start (EV_P_ ev_periodic *w); |
760 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW; |
739 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
761 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW; |
740 | void ev_periodic_again (EV_P_ ev_periodic *w); |
762 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW; |
741 | #endif |
763 | #endif |
742 | |
764 | |
743 | /* only supported in the default loop */ |
765 | /* only supported in the default loop */ |
744 | #if EV_SIGNAL_ENABLE |
766 | #if EV_SIGNAL_ENABLE |
745 | void ev_signal_start (EV_P_ ev_signal *w); |
767 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW; |
746 | void ev_signal_stop (EV_P_ ev_signal *w); |
768 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW; |
747 | #endif |
769 | #endif |
748 | |
770 | |
749 | /* only supported in the default loop */ |
771 | /* only supported in the default loop */ |
750 | # if EV_CHILD_ENABLE |
772 | # if EV_CHILD_ENABLE |
751 | void ev_child_start (EV_P_ ev_child *w); |
773 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW; |
752 | void ev_child_stop (EV_P_ ev_child *w); |
774 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW; |
753 | # endif |
775 | # endif |
754 | |
776 | |
755 | # if EV_STAT_ENABLE |
777 | # if EV_STAT_ENABLE |
756 | void ev_stat_start (EV_P_ ev_stat *w); |
778 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW; |
757 | void ev_stat_stop (EV_P_ ev_stat *w); |
779 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW; |
758 | void ev_stat_stat (EV_P_ ev_stat *w); |
780 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW; |
759 | # endif |
781 | # endif |
760 | |
782 | |
761 | # if EV_IDLE_ENABLE |
783 | # if EV_IDLE_ENABLE |
762 | void ev_idle_start (EV_P_ ev_idle *w); |
784 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW; |
763 | void ev_idle_stop (EV_P_ ev_idle *w); |
785 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW; |
764 | # endif |
786 | # endif |
765 | |
787 | |
766 | #if EV_PREPARE_ENABLE |
788 | #if EV_PREPARE_ENABLE |
767 | void ev_prepare_start (EV_P_ ev_prepare *w); |
789 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW; |
768 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
790 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW; |
769 | #endif |
791 | #endif |
770 | |
792 | |
771 | #if EV_CHECK_ENABLE |
793 | #if EV_CHECK_ENABLE |
772 | void ev_check_start (EV_P_ ev_check *w); |
794 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW; |
773 | void ev_check_stop (EV_P_ ev_check *w); |
795 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW; |
774 | #endif |
796 | #endif |
775 | |
797 | |
776 | # if EV_FORK_ENABLE |
798 | # if EV_FORK_ENABLE |
777 | void ev_fork_start (EV_P_ ev_fork *w); |
799 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW; |
778 | void ev_fork_stop (EV_P_ ev_fork *w); |
800 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW; |
779 | # endif |
801 | # endif |
780 | |
802 | |
781 | # if EV_CLEANUP_ENABLE |
803 | # if EV_CLEANUP_ENABLE |
782 | void ev_cleanup_start (EV_P_ ev_cleanup *w); |
804 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW; |
783 | void ev_cleanup_stop (EV_P_ ev_cleanup *w); |
805 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW; |
784 | # endif |
806 | # endif |
785 | |
807 | |
786 | # if EV_EMBED_ENABLE |
808 | # if EV_EMBED_ENABLE |
787 | /* only supported when loop to be embedded is in fact embeddable */ |
809 | /* only supported when loop to be embedded is in fact embeddable */ |
788 | void ev_embed_start (EV_P_ ev_embed *w); |
810 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW; |
789 | void ev_embed_stop (EV_P_ ev_embed *w); |
811 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW; |
790 | void ev_embed_sweep (EV_P_ ev_embed *w); |
812 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW; |
791 | # endif |
813 | # endif |
792 | |
814 | |
793 | # if EV_ASYNC_ENABLE |
815 | # if EV_ASYNC_ENABLE |
794 | void ev_async_start (EV_P_ ev_async *w); |
816 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW; |
795 | void ev_async_stop (EV_P_ ev_async *w); |
817 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW; |
796 | void ev_async_send (EV_P_ ev_async *w); |
818 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW; |
797 | # endif |
819 | # endif |
798 | |
820 | |
799 | #if EV_COMPAT3 |
821 | #if EV_COMPAT3 |
800 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
822 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
801 | #define EVLOOP_ONESHOT EVRUN_ONCE |
823 | #define EVLOOP_ONESHOT EVRUN_ONCE |
… | |
… | |
806 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
828 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
807 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
829 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
808 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
830 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
809 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
831 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
810 | #if EV_FEATURE_API |
832 | #if EV_FEATURE_API |
811 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
833 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
812 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
834 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
813 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
835 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
814 | #endif |
836 | #endif |
815 | #endif |
837 | #endif |
816 | #else |
838 | #else |
817 | typedef struct ev_loop ev_loop; |
839 | typedef struct ev_loop ev_loop; |
818 | #endif |
840 | #endif |