1 | /* |
1 | /* |
2 | * libev native API header |
2 | * libev native API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2018 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 | * |
… | |
… | |
40 | #ifndef EV_H_ |
40 | #ifndef EV_H_ |
41 | #define EV_H_ |
41 | #define EV_H_ |
42 | |
42 | |
43 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
44 | # define EV_CPP(x) x |
44 | # define EV_CPP(x) x |
|
|
45 | # if __cplusplus >= 201103L |
|
|
46 | # define EV_NOEXCEPT noexcept |
|
|
47 | # else |
|
|
48 | # define EV_NOEXCEPT |
|
|
49 | # endif |
45 | #else |
50 | #else |
46 | # define EV_CPP(x) |
51 | # define EV_CPP(x) |
|
|
52 | # define EV_NOEXCEPT |
47 | #endif |
53 | #endif |
|
|
54 | #define EV_THROW EV_NOEXCEPT /* pre-4.25, do not use in new code */ |
48 | |
55 | |
49 | EV_CPP(extern "C" {) |
56 | EV_CPP(extern "C" {) |
50 | |
57 | |
51 | /*****************************************************************************/ |
58 | /*****************************************************************************/ |
52 | |
59 | |
… | |
… | |
54 | #ifndef EV_COMPAT3 |
61 | #ifndef EV_COMPAT3 |
55 | # define EV_COMPAT3 1 |
62 | # define EV_COMPAT3 1 |
56 | #endif |
63 | #endif |
57 | |
64 | |
58 | #ifndef EV_FEATURES |
65 | #ifndef EV_FEATURES |
|
|
66 | # if defined __OPTIMIZE_SIZE__ |
|
|
67 | # define EV_FEATURES 0x7c |
|
|
68 | # else |
59 | # define EV_FEATURES 0x7f |
69 | # define EV_FEATURES 0x7f |
|
|
70 | # endif |
60 | #endif |
71 | #endif |
61 | |
72 | |
62 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
73 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
63 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
74 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
64 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
75 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
… | |
… | |
139 | #endif |
150 | #endif |
140 | |
151 | |
141 | /*****************************************************************************/ |
152 | /*****************************************************************************/ |
142 | |
153 | |
143 | typedef double ev_tstamp; |
154 | typedef double ev_tstamp; |
|
|
155 | |
|
|
156 | #include <string.h> /* for memmove */ |
144 | |
157 | |
145 | #ifndef EV_ATOMIC_T |
158 | #ifndef EV_ATOMIC_T |
146 | # include <signal.h> |
159 | # include <signal.h> |
147 | # define EV_ATOMIC_T sig_atomic_t volatile |
160 | # define EV_ATOMIC_T sig_atomic_t volatile |
148 | #endif |
161 | #endif |
… | |
… | |
197 | #endif |
210 | #endif |
198 | |
211 | |
199 | /*****************************************************************************/ |
212 | /*****************************************************************************/ |
200 | |
213 | |
201 | #define EV_VERSION_MAJOR 4 |
214 | #define EV_VERSION_MAJOR 4 |
202 | #define EV_VERSION_MINOR 11 |
215 | #define EV_VERSION_MINOR 25 |
203 | |
216 | |
204 | /* eventmask, revents, events... */ |
217 | /* eventmask, revents, events... */ |
205 | enum { |
218 | enum { |
206 | EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ |
219 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
207 | EV_NONE = 0x00, /* no events */ |
220 | EV_NONE = 0x00, /* no events */ |
208 | EV_READ = 0x01, /* ev_io detected read will not block */ |
221 | EV_READ = 0x01, /* ev_io detected read will not block */ |
209 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
222 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
210 | EV__IOFDSET = 0x80, /* internal use only */ |
223 | EV__IOFDSET = 0x80, /* internal use only */ |
211 | EV_IO = EV_READ, /* alias for type-detection */ |
224 | EV_IO = EV_READ, /* alias for type-detection */ |
212 | EV_TIMER = 0x00000100, /* timer timed out */ |
225 | EV_TIMER = 0x00000100, /* timer timed out */ |
213 | #if EV_COMPAT3 |
226 | #if EV_COMPAT3 |
214 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
227 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
215 | #endif |
228 | #endif |
216 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
229 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
217 | EV_SIGNAL = 0x00000400, /* signal was received */ |
230 | EV_SIGNAL = 0x00000400, /* signal was received */ |
218 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
231 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
219 | EV_STAT = 0x00001000, /* stat data changed */ |
232 | EV_STAT = 0x00001000, /* stat data changed */ |
220 | EV_IDLE = 0x00002000, /* event loop is idling */ |
233 | EV_IDLE = 0x00002000, /* event loop is idling */ |
221 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
234 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
222 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
235 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
223 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
236 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
224 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
237 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
225 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
238 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
226 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
239 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
227 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
240 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
228 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
241 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
229 | }; |
242 | }; |
230 | |
243 | |
231 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
244 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
232 | #ifndef EV_COMMON |
245 | #ifndef EV_COMMON |
233 | # define EV_COMMON void *data; |
246 | # define EV_COMMON void *data; |
… | |
… | |
325 | { |
338 | { |
326 | EV_WATCHER_TIME (ev_periodic) |
339 | EV_WATCHER_TIME (ev_periodic) |
327 | |
340 | |
328 | ev_tstamp offset; /* rw */ |
341 | ev_tstamp offset; /* rw */ |
329 | ev_tstamp interval; /* rw */ |
342 | ev_tstamp interval; /* rw */ |
330 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
343 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_NOEXCEPT; /* rw */ |
331 | } ev_periodic; |
344 | } ev_periodic; |
332 | |
345 | |
333 | /* invoked when the given signal has been received */ |
346 | /* invoked when the given signal has been received */ |
334 | /* revent EV_SIGNAL */ |
347 | /* revent EV_SIGNAL */ |
335 | typedef struct ev_signal |
348 | typedef struct ev_signal |
… | |
… | |
501 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
514 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
502 | }; |
515 | }; |
503 | |
516 | |
504 | /* method bits to be ored together */ |
517 | /* method bits to be ored together */ |
505 | enum { |
518 | enum { |
506 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
519 | EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */ |
507 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
520 | EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */ |
508 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
521 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
509 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
522 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */ |
510 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
523 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
511 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
524 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
512 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
525 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
513 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
526 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
514 | }; |
527 | }; |
515 | |
528 | |
516 | #if EV_PROTOTYPES |
529 | #if EV_PROTOTYPES |
517 | EV_API_DECL int ev_version_major (void); |
530 | EV_API_DECL int ev_version_major (void) EV_NOEXCEPT; |
518 | EV_API_DECL int ev_version_minor (void); |
531 | EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT; |
519 | |
532 | |
520 | EV_API_DECL unsigned int ev_supported_backends (void); |
533 | EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT; |
521 | EV_API_DECL unsigned int ev_recommended_backends (void); |
534 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT; |
522 | EV_API_DECL unsigned int ev_embeddable_backends (void); |
535 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT; |
523 | |
536 | |
524 | EV_API_DECL ev_tstamp ev_time (void); |
537 | EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT; |
525 | EV_API_DECL void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
538 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */ |
526 | |
539 | |
527 | /* Sets the allocation function to use, works like realloc. |
540 | /* Sets the allocation function to use, works like realloc. |
528 | * It is used to allocate and free memory. |
541 | * It is used to allocate and free memory. |
529 | * If it returns zero when memory needs to be allocated, the library might abort |
542 | * If it returns zero when memory needs to be allocated, the library might abort |
530 | * or take some potentially destructive action. |
543 | * or take some potentially destructive action. |
531 | * The default is your system realloc function. |
544 | * The default is your system realloc function. |
532 | */ |
545 | */ |
533 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
546 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT; |
534 | |
547 | |
535 | /* set the callback function to call on a |
548 | /* set the callback function to call on a |
536 | * retryable syscall error |
549 | * retryable syscall error |
537 | * (such as failed select, poll, epoll_wait) |
550 | * (such as failed select, poll, epoll_wait) |
538 | */ |
551 | */ |
539 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg)); |
552 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT; |
540 | |
553 | |
541 | #if EV_MULTIPLICITY |
554 | #if EV_MULTIPLICITY |
542 | |
555 | |
543 | /* the default loop is the only one that handles signals and child watchers */ |
556 | /* the default loop is the only one that handles signals and child watchers */ |
544 | /* you can call this as often as you like */ |
557 | /* you can call this as often as you like */ |
545 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); |
558 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
546 | |
559 | |
547 | #ifdef EV_API_STATIC |
560 | #ifdef EV_API_STATIC |
548 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
561 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
549 | #endif |
562 | #endif |
550 | |
563 | |
551 | EV_INLINE struct ev_loop * |
564 | EV_INLINE struct ev_loop * |
552 | ev_default_loop_uc_ (void) |
565 | ev_default_loop_uc_ (void) EV_NOEXCEPT |
553 | { |
566 | { |
554 | extern struct ev_loop *ev_default_loop_ptr; |
567 | extern struct ev_loop *ev_default_loop_ptr; |
555 | |
568 | |
556 | return ev_default_loop_ptr; |
569 | return ev_default_loop_ptr; |
557 | } |
570 | } |
558 | |
571 | |
559 | EV_INLINE int |
572 | EV_INLINE int |
560 | ev_is_default_loop (EV_P) |
573 | ev_is_default_loop (EV_P) EV_NOEXCEPT |
561 | { |
574 | { |
562 | return EV_A == EV_DEFAULT_UC; |
575 | return EV_A == EV_DEFAULT_UC; |
563 | } |
576 | } |
564 | |
577 | |
565 | /* create and destroy alternative loops that don't handle signals */ |
578 | /* create and destroy alternative loops that don't handle signals */ |
566 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); |
579 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
567 | |
580 | |
568 | EV_API_DECL ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
581 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */ |
569 | |
582 | |
570 | #else |
583 | #else |
571 | |
584 | |
572 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ |
585 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */ |
573 | |
586 | |
574 | EV_API_DECL ev_tstamp ev_rt_now; |
587 | EV_API_DECL ev_tstamp ev_rt_now; |
575 | |
588 | |
576 | EV_INLINE ev_tstamp |
589 | EV_INLINE ev_tstamp |
577 | ev_now (void) |
590 | ev_now (void) EV_NOEXCEPT |
578 | { |
591 | { |
579 | return ev_rt_now; |
592 | return ev_rt_now; |
580 | } |
593 | } |
581 | |
594 | |
582 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
595 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
583 | EV_INLINE int |
596 | EV_INLINE int |
584 | ev_is_default_loop (void) |
597 | ev_is_default_loop (void) EV_NOEXCEPT |
585 | { |
598 | { |
586 | return 1; |
599 | return 1; |
587 | } |
600 | } |
588 | |
601 | |
589 | #endif /* multiplicity */ |
602 | #endif /* multiplicity */ |
… | |
… | |
593 | |
606 | |
594 | /* this needs to be called after fork, to duplicate the loop */ |
607 | /* this needs to be called after fork, to duplicate the loop */ |
595 | /* when you want to re-use it in the child */ |
608 | /* when you want to re-use it in the child */ |
596 | /* you can call it in either the parent or the child */ |
609 | /* you can call it in either the parent or the child */ |
597 | /* you can actually call it at any time, anywhere :) */ |
610 | /* you can actually call it at any time, anywhere :) */ |
598 | EV_API_DECL void ev_loop_fork (EV_P); |
611 | EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT; |
599 | |
612 | |
600 | EV_API_DECL unsigned int ev_backend (EV_P); /* backend in use by loop */ |
613 | EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */ |
601 | |
614 | |
602 | EV_API_DECL void ev_now_update (EV_P); /* update event loop time */ |
615 | EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */ |
603 | |
616 | |
604 | #if EV_WALK_ENABLE |
617 | #if EV_WALK_ENABLE |
605 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
618 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
606 | /* callback on every such watcher. The callback might stop the watcher, */ |
619 | /* callback on every such watcher. The callback might stop the watcher, */ |
607 | /* but do nothing else with the loop */ |
620 | /* but do nothing else with the loop */ |
608 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
621 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT; |
609 | #endif |
622 | #endif |
610 | |
623 | |
611 | #endif /* prototypes */ |
624 | #endif /* prototypes */ |
612 | |
625 | |
613 | /* ev_run flags values */ |
626 | /* ev_run flags values */ |
… | |
… | |
623 | EVBREAK_ALL = 2 /* unloop all loops */ |
636 | EVBREAK_ALL = 2 /* unloop all loops */ |
624 | }; |
637 | }; |
625 | |
638 | |
626 | #if EV_PROTOTYPES |
639 | #if EV_PROTOTYPES |
627 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
640 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
628 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ |
641 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */ |
629 | |
642 | |
630 | /* |
643 | /* |
631 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
644 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
632 | * keeps one reference. if you have a long-running watcher you never unregister that |
645 | * keeps one reference. if you have a long-running watcher you never unregister that |
633 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
646 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
634 | */ |
647 | */ |
635 | EV_API_DECL void ev_ref (EV_P); |
648 | EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT; |
636 | EV_API_DECL void ev_unref (EV_P); |
649 | EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT; |
637 | |
650 | |
638 | /* |
651 | /* |
639 | * convenience function, wait for a single event, without registering an event watcher |
652 | * convenience function, wait for a single event, without registering an event watcher |
640 | * if timeout is < 0, do wait indefinitely |
653 | * if timeout is < 0, do wait indefinitely |
641 | */ |
654 | */ |
642 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
655 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT; |
643 | |
656 | |
644 | # if EV_FEATURE_API |
657 | # if EV_FEATURE_API |
645 | EV_API_DECL unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
658 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */ |
646 | EV_API_DECL unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
659 | EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */ |
647 | EV_API_DECL void ev_verify (EV_P); /* abort if loop data corrupted */ |
660 | EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */ |
648 | |
661 | |
649 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
662 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ |
650 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
663 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ |
651 | |
664 | |
652 | /* advanced stuff for threading etc. support, see docs */ |
665 | /* advanced stuff for threading etc. support, see docs */ |
653 | EV_API_DECL void ev_set_userdata (EV_P_ void *data); |
666 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT; |
654 | EV_API_DECL void *ev_userdata (EV_P); |
667 | EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT; |
|
|
668 | typedef void (*ev_loop_callback)(EV_P); |
655 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
669 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT; |
|
|
670 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */ |
656 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
671 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT; |
657 | |
672 | |
658 | EV_API_DECL unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
673 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */ |
659 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
674 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
660 | |
675 | |
661 | /* |
676 | /* |
662 | * stop/start the timer handling. |
677 | * stop/start the timer handling. |
663 | */ |
678 | */ |
664 | EV_API_DECL void ev_suspend (EV_P); |
679 | EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT; |
665 | EV_API_DECL void ev_resume (EV_P); |
680 | EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT; |
666 | #endif |
681 | #endif |
667 | |
682 | |
668 | #endif |
683 | #endif |
669 | |
684 | |
670 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
685 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
… | |
… | |
705 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
720 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
706 | |
721 | |
707 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
722 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
708 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
723 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
709 | |
724 | |
710 | #define ev_cb(ev) (ev)->cb /* rw */ |
725 | #define ev_cb_(ev) (ev)->cb /* rw */ |
|
|
726 | #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb) |
711 | |
727 | |
712 | #if EV_MINPRI == EV_MAXPRI |
728 | #if EV_MINPRI == EV_MAXPRI |
713 | # define ev_priority(ev) ((ev), EV_MINPRI) |
729 | # define ev_priority(ev) ((ev), EV_MINPRI) |
714 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
730 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
715 | #else |
731 | #else |
… | |
… | |
718 | #endif |
734 | #endif |
719 | |
735 | |
720 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
736 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
721 | |
737 | |
722 | #ifndef ev_set_cb |
738 | #ifndef ev_set_cb |
723 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
739 | # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) |
724 | #endif |
740 | #endif |
725 | |
741 | |
726 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
742 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
727 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
743 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
728 | #if EV_PROTOTYPES |
744 | #if EV_PROTOTYPES |
729 | |
745 | |
730 | /* feeds an event into a watcher as if the event actually occurred */ |
746 | /* feeds an event into a watcher as if the event actually occurred */ |
731 | /* accepts any ev_watcher type */ |
747 | /* accepts any ev_watcher type */ |
732 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents); |
748 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT; |
733 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents); |
749 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT; |
734 | #if EV_SIGNAL_ENABLE |
750 | #if EV_SIGNAL_ENABLE |
735 | EV_API_DECL void ev_feed_signal (int signum); |
751 | EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT; |
736 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum); |
752 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT; |
737 | #endif |
753 | #endif |
738 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
754 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
739 | EV_API_DECL int ev_clear_pending (EV_P_ void *w); |
755 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT; |
740 | |
756 | |
741 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w); |
757 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT; |
742 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w); |
758 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT; |
743 | |
759 | |
744 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w); |
760 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT; |
745 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w); |
761 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT; |
746 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
762 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
747 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w); |
763 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT; |
748 | /* return remaining time */ |
764 | /* return remaining time */ |
749 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
765 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT; |
750 | |
766 | |
751 | #if EV_PERIODIC_ENABLE |
767 | #if EV_PERIODIC_ENABLE |
752 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w); |
768 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
753 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w); |
769 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
754 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w); |
770 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
755 | #endif |
771 | #endif |
756 | |
772 | |
757 | /* only supported in the default loop */ |
773 | /* only supported in the default loop */ |
758 | #if EV_SIGNAL_ENABLE |
774 | #if EV_SIGNAL_ENABLE |
759 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w); |
775 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT; |
760 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w); |
776 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT; |
761 | #endif |
777 | #endif |
762 | |
778 | |
763 | /* only supported in the default loop */ |
779 | /* only supported in the default loop */ |
764 | # if EV_CHILD_ENABLE |
780 | # if EV_CHILD_ENABLE |
765 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w); |
781 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT; |
766 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w); |
782 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT; |
767 | # endif |
783 | # endif |
768 | |
784 | |
769 | # if EV_STAT_ENABLE |
785 | # if EV_STAT_ENABLE |
770 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w); |
786 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT; |
771 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w); |
787 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT; |
772 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w); |
788 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT; |
773 | # endif |
789 | # endif |
774 | |
790 | |
775 | # if EV_IDLE_ENABLE |
791 | # if EV_IDLE_ENABLE |
776 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w); |
792 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT; |
777 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w); |
793 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT; |
778 | # endif |
794 | # endif |
779 | |
795 | |
780 | #if EV_PREPARE_ENABLE |
796 | #if EV_PREPARE_ENABLE |
781 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w); |
797 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT; |
782 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w); |
798 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT; |
783 | #endif |
799 | #endif |
784 | |
800 | |
785 | #if EV_CHECK_ENABLE |
801 | #if EV_CHECK_ENABLE |
786 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w); |
802 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT; |
787 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w); |
803 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT; |
788 | #endif |
804 | #endif |
789 | |
805 | |
790 | # if EV_FORK_ENABLE |
806 | # if EV_FORK_ENABLE |
791 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w); |
807 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT; |
792 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w); |
808 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT; |
793 | # endif |
809 | # endif |
794 | |
810 | |
795 | # if EV_CLEANUP_ENABLE |
811 | # if EV_CLEANUP_ENABLE |
796 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w); |
812 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT; |
797 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w); |
813 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT; |
798 | # endif |
814 | # endif |
799 | |
815 | |
800 | # if EV_EMBED_ENABLE |
816 | # if EV_EMBED_ENABLE |
801 | /* only supported when loop to be embedded is in fact embeddable */ |
817 | /* only supported when loop to be embedded is in fact embeddable */ |
802 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w); |
818 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT; |
803 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w); |
819 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT; |
804 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w); |
820 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT; |
805 | # endif |
821 | # endif |
806 | |
822 | |
807 | # if EV_ASYNC_ENABLE |
823 | # if EV_ASYNC_ENABLE |
808 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w); |
824 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT; |
809 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w); |
825 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT; |
810 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w); |
826 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT; |
811 | # endif |
827 | # endif |
812 | |
828 | |
813 | #if EV_COMPAT3 |
829 | #if EV_COMPAT3 |
814 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
830 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
815 | #define EVLOOP_ONESHOT EVRUN_ONCE |
831 | #define EVLOOP_ONESHOT EVRUN_ONCE |