1 | /* |
1 | /* |
2 | * libev native API header |
2 | * libev native API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012,2015 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 |
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|
45 | # if __cplusplus >= 201103L |
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46 | # define EV_THROW noexcept |
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|
47 | # else |
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48 | # define EV_THROW throw () |
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49 | # endif |
45 | #else |
50 | #else |
46 | # define EV_CPP(x) |
51 | # define EV_CPP(x) |
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|
52 | # define EV_THROW |
47 | #endif |
53 | #endif |
48 | |
54 | |
49 | EV_CPP(extern "C" {) |
55 | EV_CPP(extern "C" {) |
50 | |
56 | |
51 | /*****************************************************************************/ |
57 | /*****************************************************************************/ |
… | |
… | |
54 | #ifndef EV_COMPAT3 |
60 | #ifndef EV_COMPAT3 |
55 | # define EV_COMPAT3 1 |
61 | # define EV_COMPAT3 1 |
56 | #endif |
62 | #endif |
57 | |
63 | |
58 | #ifndef EV_FEATURES |
64 | #ifndef EV_FEATURES |
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|
65 | # if defined __OPTIMIZE_SIZE__ |
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|
66 | # define EV_FEATURES 0x7c |
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|
67 | # else |
59 | # define EV_FEATURES 0x7f |
68 | # define EV_FEATURES 0x7f |
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|
69 | # endif |
60 | #endif |
70 | #endif |
61 | |
71 | |
62 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
72 | #define EV_FEATURE_CODE ((EV_FEATURES) & 1) |
63 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
73 | #define EV_FEATURE_DATA ((EV_FEATURES) & 2) |
64 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
74 | #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) |
… | |
… | |
139 | #endif |
149 | #endif |
140 | |
150 | |
141 | /*****************************************************************************/ |
151 | /*****************************************************************************/ |
142 | |
152 | |
143 | typedef double ev_tstamp; |
153 | typedef double ev_tstamp; |
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154 | |
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155 | #include <string.h> /* for memmove */ |
144 | |
156 | |
145 | #ifndef EV_ATOMIC_T |
157 | #ifndef EV_ATOMIC_T |
146 | # include <signal.h> |
158 | # include <signal.h> |
147 | # define EV_ATOMIC_T sig_atomic_t volatile |
159 | # define EV_ATOMIC_T sig_atomic_t volatile |
148 | #endif |
160 | #endif |
… | |
… | |
183 | # define EV_INLINE static inline |
195 | # define EV_INLINE static inline |
184 | #else |
196 | #else |
185 | # define EV_INLINE static |
197 | # define EV_INLINE static |
186 | #endif |
198 | #endif |
187 | |
199 | |
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200 | #ifdef EV_API_STATIC |
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201 | # define EV_API_DECL static |
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202 | #else |
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203 | # define EV_API_DECL extern |
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|
204 | #endif |
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205 | |
188 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
206 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
189 | #ifndef EV_PROTOTYPES |
207 | #ifndef EV_PROTOTYPES |
190 | # define EV_PROTOTYPES 1 |
208 | # define EV_PROTOTYPES 1 |
191 | #endif |
209 | #endif |
192 | |
210 | |
193 | /*****************************************************************************/ |
211 | /*****************************************************************************/ |
194 | |
212 | |
195 | #define EV_VERSION_MAJOR 4 |
213 | #define EV_VERSION_MAJOR 4 |
196 | #define EV_VERSION_MINOR 4 |
214 | #define EV_VERSION_MINOR 20 |
197 | |
215 | |
198 | /* eventmask, revents, events... */ |
216 | /* eventmask, revents, events... */ |
199 | enum { |
217 | enum { |
200 | EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ |
218 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
201 | EV_NONE = 0x00, /* no events */ |
219 | EV_NONE = 0x00, /* no events */ |
202 | EV_READ = 0x01, /* ev_io detected read will not block */ |
220 | EV_READ = 0x01, /* ev_io detected read will not block */ |
203 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
221 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
204 | EV__IOFDSET = 0x80, /* internal use only */ |
222 | EV__IOFDSET = 0x80, /* internal use only */ |
205 | EV_IO = EV_READ, /* alias for type-detection */ |
223 | EV_IO = EV_READ, /* alias for type-detection */ |
206 | EV_TIMER = 0x00000100, /* timer timed out */ |
224 | EV_TIMER = 0x00000100, /* timer timed out */ |
207 | #if EV_COMPAT3 |
225 | #if EV_COMPAT3 |
208 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
226 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
209 | #endif |
227 | #endif |
210 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
228 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
211 | EV_SIGNAL = 0x00000400, /* signal was received */ |
229 | EV_SIGNAL = 0x00000400, /* signal was received */ |
212 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
230 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
213 | EV_STAT = 0x00001000, /* stat data changed */ |
231 | EV_STAT = 0x00001000, /* stat data changed */ |
214 | EV_IDLE = 0x00002000, /* event loop is idling */ |
232 | EV_IDLE = 0x00002000, /* event loop is idling */ |
215 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
233 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
216 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
234 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
217 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
235 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
218 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
236 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
219 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
237 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
220 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
238 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
221 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
239 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
222 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
240 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
223 | }; |
241 | }; |
224 | |
242 | |
225 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
243 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
226 | #ifndef EV_COMMON |
244 | #ifndef EV_COMMON |
227 | # define EV_COMMON void *data; |
245 | # define EV_COMMON void *data; |
… | |
… | |
319 | { |
337 | { |
320 | EV_WATCHER_TIME (ev_periodic) |
338 | EV_WATCHER_TIME (ev_periodic) |
321 | |
339 | |
322 | ev_tstamp offset; /* rw */ |
340 | ev_tstamp offset; /* rw */ |
323 | ev_tstamp interval; /* rw */ |
341 | ev_tstamp interval; /* rw */ |
324 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
342 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */ |
325 | } ev_periodic; |
343 | } ev_periodic; |
326 | |
344 | |
327 | /* invoked when the given signal has been received */ |
345 | /* invoked when the given signal has been received */ |
328 | /* revent EV_SIGNAL */ |
346 | /* revent EV_SIGNAL */ |
329 | typedef struct ev_signal |
347 | typedef struct ev_signal |
… | |
… | |
506 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
524 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
507 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
525 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
508 | }; |
526 | }; |
509 | |
527 | |
510 | #if EV_PROTOTYPES |
528 | #if EV_PROTOTYPES |
511 | int ev_version_major (void); |
529 | EV_API_DECL int ev_version_major (void) EV_THROW; |
512 | int ev_version_minor (void); |
530 | EV_API_DECL int ev_version_minor (void) EV_THROW; |
513 | |
531 | |
514 | unsigned int ev_supported_backends (void); |
532 | EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW; |
515 | unsigned int ev_recommended_backends (void); |
533 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW; |
516 | unsigned int ev_embeddable_backends (void); |
534 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW; |
517 | |
535 | |
518 | ev_tstamp ev_time (void); |
536 | EV_API_DECL ev_tstamp ev_time (void) EV_THROW; |
519 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
537 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */ |
520 | |
538 | |
521 | /* Sets the allocation function to use, works like realloc. |
539 | /* Sets the allocation function to use, works like realloc. |
522 | * It is used to allocate and free memory. |
540 | * It is used to allocate and free memory. |
523 | * If it returns zero when memory needs to be allocated, the library might abort |
541 | * If it returns zero when memory needs to be allocated, the library might abort |
524 | * or take some potentially destructive action. |
542 | * or take some potentially destructive action. |
525 | * The default is your system realloc function. |
543 | * The default is your system realloc function. |
526 | */ |
544 | */ |
527 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
545 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW; |
528 | |
546 | |
529 | /* set the callback function to call on a |
547 | /* set the callback function to call on a |
530 | * retryable syscall error |
548 | * retryable syscall error |
531 | * (such as failed select, poll, epoll_wait) |
549 | * (such as failed select, poll, epoll_wait) |
532 | */ |
550 | */ |
533 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
551 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW; |
534 | |
552 | |
535 | #if EV_MULTIPLICITY |
553 | #if EV_MULTIPLICITY |
536 | |
554 | |
537 | /* the default loop is the only one that handles signals and child watchers */ |
555 | /* the default loop is the only one that handles signals and child watchers */ |
538 | /* you can call this as often as you like */ |
556 | /* you can call this as often as you like */ |
539 | struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); |
557 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; |
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558 | |
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559 | #ifdef EV_API_STATIC |
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560 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
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561 | #endif |
540 | |
562 | |
541 | EV_INLINE struct ev_loop * |
563 | EV_INLINE struct ev_loop * |
542 | ev_default_loop_uc_ (void) |
564 | ev_default_loop_uc_ (void) EV_THROW |
543 | { |
565 | { |
544 | extern struct ev_loop *ev_default_loop_ptr; |
566 | extern struct ev_loop *ev_default_loop_ptr; |
545 | |
567 | |
546 | return ev_default_loop_ptr; |
568 | return ev_default_loop_ptr; |
547 | } |
569 | } |
548 | |
570 | |
549 | EV_INLINE int |
571 | EV_INLINE int |
550 | ev_is_default_loop (EV_P) |
572 | ev_is_default_loop (EV_P) EV_THROW |
551 | { |
573 | { |
552 | return EV_A == EV_DEFAULT_UC; |
574 | return EV_A == EV_DEFAULT_UC; |
553 | } |
575 | } |
554 | |
576 | |
555 | /* create and destroy alternative loops that don't handle signals */ |
577 | /* create and destroy alternative loops that don't handle signals */ |
556 | struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); |
578 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW; |
557 | |
579 | |
558 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
580 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */ |
559 | |
581 | |
560 | #else |
582 | #else |
561 | |
583 | |
562 | int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ |
584 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */ |
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585 | |
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586 | EV_API_DECL ev_tstamp ev_rt_now; |
563 | |
587 | |
564 | EV_INLINE ev_tstamp |
588 | EV_INLINE ev_tstamp |
565 | ev_now (void) |
589 | ev_now (void) EV_THROW |
566 | { |
590 | { |
567 | extern ev_tstamp ev_rt_now; |
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568 | |
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569 | return ev_rt_now; |
591 | return ev_rt_now; |
570 | } |
592 | } |
571 | |
593 | |
572 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
594 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
573 | EV_INLINE int |
595 | EV_INLINE int |
574 | ev_is_default_loop (void) |
596 | ev_is_default_loop (void) EV_THROW |
575 | { |
597 | { |
576 | return 1; |
598 | return 1; |
577 | } |
599 | } |
578 | |
600 | |
579 | #endif /* multiplicity */ |
601 | #endif /* multiplicity */ |
580 | |
602 | |
581 | /* destroy event loops, also works for the default loop */ |
603 | /* destroy event loops, also works for the default loop */ |
582 | void ev_loop_destroy (EV_P); |
604 | EV_API_DECL void ev_loop_destroy (EV_P); |
583 | |
605 | |
584 | /* this needs to be called after fork, to duplicate the loop */ |
606 | /* this needs to be called after fork, to duplicate the loop */ |
585 | /* when you want to re-use it in the child */ |
607 | /* when you want to re-use it in the child */ |
586 | /* you can call it in either the parent or the child */ |
608 | /* you can call it in either the parent or the child */ |
587 | /* you can actually call it at any time, anywhere :) */ |
609 | /* you can actually call it at any time, anywhere :) */ |
588 | void ev_loop_fork (EV_P); |
610 | EV_API_DECL void ev_loop_fork (EV_P) EV_THROW; |
589 | |
611 | |
590 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
612 | EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */ |
591 | |
613 | |
592 | void ev_now_update (EV_P); /* update event loop time */ |
614 | EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */ |
593 | |
615 | |
594 | #if EV_WALK_ENABLE |
616 | #if EV_WALK_ENABLE |
595 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
617 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
596 | /* callback on every such watcher. The callback might stop the watcher, */ |
618 | /* callback on every such watcher. The callback might stop the watcher, */ |
597 | /* but do nothing else with the loop */ |
619 | /* but do nothing else with the loop */ |
598 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
620 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW; |
599 | #endif |
621 | #endif |
600 | |
622 | |
601 | #endif /* prototypes */ |
623 | #endif /* prototypes */ |
602 | |
624 | |
603 | /* ev_run flags values */ |
625 | /* ev_run flags values */ |
… | |
… | |
612 | EVBREAK_ONE = 1, /* unloop once */ |
634 | EVBREAK_ONE = 1, /* unloop once */ |
613 | EVBREAK_ALL = 2 /* unloop all loops */ |
635 | EVBREAK_ALL = 2 /* unloop all loops */ |
614 | }; |
636 | }; |
615 | |
637 | |
616 | #if EV_PROTOTYPES |
638 | #if EV_PROTOTYPES |
617 | void ev_run (EV_P_ int flags EV_CPP (= 0)); |
639 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
618 | void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ |
640 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */ |
619 | |
641 | |
620 | /* |
642 | /* |
621 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
643 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
622 | * keeps one reference. if you have a long-running watcher you never unregister that |
644 | * keeps one reference. if you have a long-running watcher you never unregister that |
623 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
645 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
624 | */ |
646 | */ |
625 | void ev_ref (EV_P); |
647 | EV_API_DECL void ev_ref (EV_P) EV_THROW; |
626 | void ev_unref (EV_P); |
648 | EV_API_DECL void ev_unref (EV_P) EV_THROW; |
627 | |
649 | |
628 | /* |
650 | /* |
629 | * convenience function, wait for a single event, without registering an event watcher |
651 | * convenience function, wait for a single event, without registering an event watcher |
630 | * if timeout is < 0, do wait indefinitely |
652 | * if timeout is < 0, do wait indefinitely |
631 | */ |
653 | */ |
632 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
654 | 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; |
633 | |
655 | |
634 | # if EV_FEATURE_API |
656 | # if EV_FEATURE_API |
635 | unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
657 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */ |
636 | unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
658 | EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */ |
637 | void ev_verify (EV_P); /* abort if loop data corrupted */ |
659 | EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */ |
638 | |
660 | |
639 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
661 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
640 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
662 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
641 | |
663 | |
642 | /* advanced stuff for threading etc. support, see docs */ |
664 | /* advanced stuff for threading etc. support, see docs */ |
643 | void ev_set_userdata (EV_P_ void *data); |
665 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
644 | void *ev_userdata (EV_P); |
666 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
645 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
667 | typedef void (*ev_loop_callback)(EV_P); |
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|
668 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
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669 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */ |
646 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
670 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW; |
647 | |
671 | |
648 | unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
672 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
649 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
673 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
650 | |
674 | |
651 | /* |
675 | /* |
652 | * stop/start the timer handling. |
676 | * stop/start the timer handling. |
653 | */ |
677 | */ |
654 | void ev_suspend (EV_P); |
678 | EV_API_DECL void ev_suspend (EV_P) EV_THROW; |
655 | void ev_resume (EV_P); |
679 | EV_API_DECL void ev_resume (EV_P) EV_THROW; |
656 | #endif |
680 | #endif |
657 | |
681 | |
658 | #endif |
682 | #endif |
659 | |
683 | |
660 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
684 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
… | |
… | |
695 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
719 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
696 | |
720 | |
697 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
721 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
698 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
722 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
699 | |
723 | |
700 | #define ev_cb(ev) (ev)->cb /* rw */ |
724 | #define ev_cb_(ev) (ev)->cb /* rw */ |
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|
725 | #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb) |
701 | |
726 | |
702 | #if EV_MINPRI == EV_MAXPRI |
727 | #if EV_MINPRI == EV_MAXPRI |
703 | # define ev_priority(ev) ((ev), EV_MINPRI) |
728 | # define ev_priority(ev) ((ev), EV_MINPRI) |
704 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
729 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
705 | #else |
730 | #else |
… | |
… | |
708 | #endif |
733 | #endif |
709 | |
734 | |
710 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
735 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
711 | |
736 | |
712 | #ifndef ev_set_cb |
737 | #ifndef ev_set_cb |
713 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
738 | # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) |
714 | #endif |
739 | #endif |
715 | |
740 | |
716 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
741 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
717 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
742 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
718 | #if EV_PROTOTYPES |
743 | #if EV_PROTOTYPES |
719 | |
744 | |
720 | /* feeds an event into a watcher as if the event actually occurred */ |
745 | /* feeds an event into a watcher as if the event actually occurred */ |
721 | /* accepts any ev_watcher type */ |
746 | /* accepts any ev_watcher type */ |
722 | void ev_feed_event (EV_P_ void *w, int revents); |
747 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |
723 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
748 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW; |
724 | #if EV_SIGNAL_ENABLE |
749 | #if EV_SIGNAL_ENABLE |
725 | void ev_feed_signal (int signum); |
750 | EV_API_DECL void ev_feed_signal (int signum) EV_THROW; |
726 | void ev_feed_signal_event (EV_P_ int signum); |
751 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW; |
727 | #endif |
752 | #endif |
728 | void ev_invoke (EV_P_ void *w, int revents); |
753 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
729 | int ev_clear_pending (EV_P_ void *w); |
754 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW; |
730 | |
755 | |
731 | void ev_io_start (EV_P_ ev_io *w); |
756 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW; |
732 | void ev_io_stop (EV_P_ ev_io *w); |
757 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW; |
733 | |
758 | |
734 | void ev_timer_start (EV_P_ ev_timer *w); |
759 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW; |
735 | void ev_timer_stop (EV_P_ ev_timer *w); |
760 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW; |
736 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
761 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
737 | void ev_timer_again (EV_P_ ev_timer *w); |
762 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW; |
738 | /* return remaining time */ |
763 | /* return remaining time */ |
739 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
764 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW; |
740 | |
765 | |
741 | #if EV_PERIODIC_ENABLE |
766 | #if EV_PERIODIC_ENABLE |
742 | void ev_periodic_start (EV_P_ ev_periodic *w); |
767 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW; |
743 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
768 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW; |
744 | void ev_periodic_again (EV_P_ ev_periodic *w); |
769 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW; |
745 | #endif |
770 | #endif |
746 | |
771 | |
747 | /* only supported in the default loop */ |
772 | /* only supported in the default loop */ |
748 | #if EV_SIGNAL_ENABLE |
773 | #if EV_SIGNAL_ENABLE |
749 | void ev_signal_start (EV_P_ ev_signal *w); |
774 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW; |
750 | void ev_signal_stop (EV_P_ ev_signal *w); |
775 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW; |
751 | #endif |
776 | #endif |
752 | |
777 | |
753 | /* only supported in the default loop */ |
778 | /* only supported in the default loop */ |
754 | # if EV_CHILD_ENABLE |
779 | # if EV_CHILD_ENABLE |
755 | void ev_child_start (EV_P_ ev_child *w); |
780 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW; |
756 | void ev_child_stop (EV_P_ ev_child *w); |
781 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW; |
757 | # endif |
782 | # endif |
758 | |
783 | |
759 | # if EV_STAT_ENABLE |
784 | # if EV_STAT_ENABLE |
760 | void ev_stat_start (EV_P_ ev_stat *w); |
785 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW; |
761 | void ev_stat_stop (EV_P_ ev_stat *w); |
786 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW; |
762 | void ev_stat_stat (EV_P_ ev_stat *w); |
787 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW; |
763 | # endif |
788 | # endif |
764 | |
789 | |
765 | # if EV_IDLE_ENABLE |
790 | # if EV_IDLE_ENABLE |
766 | void ev_idle_start (EV_P_ ev_idle *w); |
791 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW; |
767 | void ev_idle_stop (EV_P_ ev_idle *w); |
792 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW; |
768 | # endif |
793 | # endif |
769 | |
794 | |
770 | #if EV_PREPARE_ENABLE |
795 | #if EV_PREPARE_ENABLE |
771 | void ev_prepare_start (EV_P_ ev_prepare *w); |
796 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW; |
772 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
797 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW; |
773 | #endif |
798 | #endif |
774 | |
799 | |
775 | #if EV_CHECK_ENABLE |
800 | #if EV_CHECK_ENABLE |
776 | void ev_check_start (EV_P_ ev_check *w); |
801 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW; |
777 | void ev_check_stop (EV_P_ ev_check *w); |
802 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW; |
778 | #endif |
803 | #endif |
779 | |
804 | |
780 | # if EV_FORK_ENABLE |
805 | # if EV_FORK_ENABLE |
781 | void ev_fork_start (EV_P_ ev_fork *w); |
806 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW; |
782 | void ev_fork_stop (EV_P_ ev_fork *w); |
807 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW; |
783 | # endif |
808 | # endif |
784 | |
809 | |
785 | # if EV_CLEANUP_ENABLE |
810 | # if EV_CLEANUP_ENABLE |
786 | void ev_cleanup_start (EV_P_ ev_cleanup *w); |
811 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW; |
787 | void ev_cleanup_stop (EV_P_ ev_cleanup *w); |
812 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW; |
788 | # endif |
813 | # endif |
789 | |
814 | |
790 | # if EV_EMBED_ENABLE |
815 | # if EV_EMBED_ENABLE |
791 | /* only supported when loop to be embedded is in fact embeddable */ |
816 | /* only supported when loop to be embedded is in fact embeddable */ |
792 | void ev_embed_start (EV_P_ ev_embed *w); |
817 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW; |
793 | void ev_embed_stop (EV_P_ ev_embed *w); |
818 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW; |
794 | void ev_embed_sweep (EV_P_ ev_embed *w); |
819 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW; |
795 | # endif |
820 | # endif |
796 | |
821 | |
797 | # if EV_ASYNC_ENABLE |
822 | # if EV_ASYNC_ENABLE |
798 | void ev_async_start (EV_P_ ev_async *w); |
823 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW; |
799 | void ev_async_stop (EV_P_ ev_async *w); |
824 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW; |
800 | void ev_async_send (EV_P_ ev_async *w); |
825 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW; |
801 | # endif |
826 | # endif |
802 | |
827 | |
803 | #if EV_COMPAT3 |
828 | #if EV_COMPAT3 |
804 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
829 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
805 | #define EVLOOP_ONESHOT EVRUN_ONCE |
830 | #define EVLOOP_ONESHOT EVRUN_ONCE |