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) 2007-2019 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 | * |
… | |
… | |
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 |
45 | # if __cplusplus >= 201103L |
46 | # define EV_THROW noexcept |
46 | # define EV_NOEXCEPT noexcept |
47 | # else |
47 | # else |
48 | # define EV_THROW throw () |
48 | # define EV_NOEXCEPT |
49 | # endif |
49 | # endif |
50 | #else |
50 | #else |
51 | # define EV_CPP(x) |
51 | # define EV_CPP(x) |
52 | # define EV_THROW |
52 | # define EV_NOEXCEPT |
53 | #endif |
53 | #endif |
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|
54 | #define EV_THROW EV_NOEXCEPT /* pre-4.25, do not use in new code */ |
54 | |
55 | |
55 | EV_CPP(extern "C" {) |
56 | EV_CPP(extern "C" {) |
56 | |
57 | |
57 | /*****************************************************************************/ |
58 | /*****************************************************************************/ |
58 | |
59 | |
… | |
… | |
148 | # define EV_SIGNAL_ENABLE 1 |
149 | # define EV_SIGNAL_ENABLE 1 |
149 | #endif |
150 | #endif |
150 | |
151 | |
151 | /*****************************************************************************/ |
152 | /*****************************************************************************/ |
152 | |
153 | |
153 | typedef double ev_tstamp; |
154 | #ifndef EV_TSTAMP_T |
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|
155 | # define EV_TSTAMP_T double |
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|
156 | #endif |
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157 | typedef EV_TSTAMP_T ev_tstamp; |
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158 | |
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159 | #include <string.h> /* for memmove */ |
154 | |
160 | |
155 | #ifndef EV_ATOMIC_T |
161 | #ifndef EV_ATOMIC_T |
156 | # include <signal.h> |
162 | # include <signal.h> |
157 | # define EV_ATOMIC_T sig_atomic_t volatile |
163 | # define EV_ATOMIC_T sig_atomic_t volatile |
158 | #endif |
164 | #endif |
… | |
… | |
207 | #endif |
213 | #endif |
208 | |
214 | |
209 | /*****************************************************************************/ |
215 | /*****************************************************************************/ |
210 | |
216 | |
211 | #define EV_VERSION_MAJOR 4 |
217 | #define EV_VERSION_MAJOR 4 |
212 | #define EV_VERSION_MINOR 19 |
218 | #define EV_VERSION_MINOR 31 |
213 | |
219 | |
214 | /* eventmask, revents, events... */ |
220 | /* eventmask, revents, events... */ |
215 | enum { |
221 | enum { |
216 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
222 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
217 | EV_NONE = 0x00, /* no events */ |
223 | EV_NONE = 0x00, /* no events */ |
… | |
… | |
335 | { |
341 | { |
336 | EV_WATCHER_TIME (ev_periodic) |
342 | EV_WATCHER_TIME (ev_periodic) |
337 | |
343 | |
338 | ev_tstamp offset; /* rw */ |
344 | ev_tstamp offset; /* rw */ |
339 | ev_tstamp interval; /* rw */ |
345 | ev_tstamp interval; /* rw */ |
340 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */ |
346 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_NOEXCEPT; /* rw */ |
341 | } ev_periodic; |
347 | } ev_periodic; |
342 | |
348 | |
343 | /* invoked when the given signal has been received */ |
349 | /* invoked when the given signal has been received */ |
344 | /* revent EV_SIGNAL */ |
350 | /* revent EV_SIGNAL */ |
345 | typedef struct ev_signal |
351 | typedef struct ev_signal |
… | |
… | |
384 | |
390 | |
385 | int wd; /* wd for inotify, fd for kqueue */ |
391 | int wd; /* wd for inotify, fd for kqueue */ |
386 | } ev_stat; |
392 | } ev_stat; |
387 | #endif |
393 | #endif |
388 | |
394 | |
389 | #if EV_IDLE_ENABLE |
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|
390 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
395 | /* invoked when the nothing else needs to be done, keeps the process from blocking */ |
391 | /* revent EV_IDLE */ |
396 | /* revent EV_IDLE */ |
392 | typedef struct ev_idle |
397 | typedef struct ev_idle |
393 | { |
398 | { |
394 | EV_WATCHER (ev_idle) |
399 | EV_WATCHER (ev_idle) |
395 | } ev_idle; |
400 | } ev_idle; |
396 | #endif |
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|
397 | |
401 | |
398 | /* invoked for each run of the mainloop, just before the blocking call */ |
402 | /* invoked for each run of the mainloop, just before the blocking call */ |
399 | /* you can still change events in any way you like */ |
403 | /* you can still change events in any way you like */ |
400 | /* revent EV_PREPARE */ |
404 | /* revent EV_PREPARE */ |
401 | typedef struct ev_prepare |
405 | typedef struct ev_prepare |
… | |
… | |
408 | typedef struct ev_check |
412 | typedef struct ev_check |
409 | { |
413 | { |
410 | EV_WATCHER (ev_check) |
414 | EV_WATCHER (ev_check) |
411 | } ev_check; |
415 | } ev_check; |
412 | |
416 | |
413 | #if EV_FORK_ENABLE |
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414 | /* the callback gets invoked before check in the child process when a fork was detected */ |
417 | /* the callback gets invoked before check in the child process when a fork was detected */ |
415 | /* revent EV_FORK */ |
418 | /* revent EV_FORK */ |
416 | typedef struct ev_fork |
419 | typedef struct ev_fork |
417 | { |
420 | { |
418 | EV_WATCHER (ev_fork) |
421 | EV_WATCHER (ev_fork) |
419 | } ev_fork; |
422 | } ev_fork; |
420 | #endif |
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|
421 | |
423 | |
422 | #if EV_CLEANUP_ENABLE |
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|
423 | /* is invoked just before the loop gets destroyed */ |
424 | /* is invoked just before the loop gets destroyed */ |
424 | /* revent EV_CLEANUP */ |
425 | /* revent EV_CLEANUP */ |
425 | typedef struct ev_cleanup |
426 | typedef struct ev_cleanup |
426 | { |
427 | { |
427 | EV_WATCHER (ev_cleanup) |
428 | EV_WATCHER (ev_cleanup) |
428 | } ev_cleanup; |
429 | } ev_cleanup; |
429 | #endif |
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|
430 | |
430 | |
431 | #if EV_EMBED_ENABLE |
431 | #if EV_EMBED_ENABLE |
432 | /* used to embed an event loop inside another */ |
432 | /* used to embed an event loop inside another */ |
433 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
433 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
434 | typedef struct ev_embed |
434 | typedef struct ev_embed |
435 | { |
435 | { |
436 | EV_WATCHER (ev_embed) |
436 | EV_WATCHER (ev_embed) |
437 | |
437 | |
438 | struct ev_loop *other; /* ro */ |
438 | struct ev_loop *other; /* ro */ |
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439 | #undef EV_IO_ENABLE |
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440 | #define EV_IO_ENABLE 1 |
439 | ev_io io; /* private */ |
441 | ev_io io; /* private */ |
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|
442 | #undef EV_PREPARE_ENABLE |
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443 | #define EV_PREPARE_ENABLE 1 |
440 | ev_prepare prepare; /* private */ |
444 | ev_prepare prepare; /* private */ |
441 | ev_check check; /* unused */ |
445 | ev_check check; /* unused */ |
442 | ev_timer timer; /* unused */ |
446 | ev_timer timer; /* unused */ |
443 | ev_periodic periodic; /* unused */ |
447 | ev_periodic periodic; /* unused */ |
444 | ev_idle idle; /* unused */ |
448 | ev_idle idle; /* unused */ |
445 | ev_fork fork; /* private */ |
449 | ev_fork fork; /* private */ |
446 | #if EV_CLEANUP_ENABLE |
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|
447 | ev_cleanup cleanup; /* unused */ |
450 | ev_cleanup cleanup; /* unused */ |
448 | #endif |
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|
449 | } ev_embed; |
451 | } ev_embed; |
450 | #endif |
452 | #endif |
451 | |
453 | |
452 | #if EV_ASYNC_ENABLE |
454 | #if EV_ASYNC_ENABLE |
453 | /* invoked when somebody calls ev_async_send on the watcher */ |
455 | /* invoked when somebody calls ev_async_send on the watcher */ |
… | |
… | |
496 | }; |
498 | }; |
497 | |
499 | |
498 | /* flag bits for ev_default_loop and ev_loop_new */ |
500 | /* flag bits for ev_default_loop and ev_loop_new */ |
499 | enum { |
501 | enum { |
500 | /* the default */ |
502 | /* the default */ |
501 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
503 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
502 | /* flag bits */ |
504 | /* flag bits */ |
503 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
505 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
504 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
506 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
505 | /* debugging/feature disable */ |
507 | /* debugging/feature disable */ |
506 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
508 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
507 | #if EV_COMPAT3 |
509 | #if EV_COMPAT3 |
508 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
510 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
509 | #endif |
511 | #endif |
510 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
512 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
511 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
513 | EVFLAG_NOSIGMASK = 0x00400000U, /* avoid modifying the signal mask */ |
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514 | EVFLAG_NOTIMERFD = 0x00800000U /* avoid creating a timerfd */ |
512 | }; |
515 | }; |
513 | |
516 | |
514 | /* method bits to be ored together */ |
517 | /* method bits to be ored together */ |
515 | enum { |
518 | enum { |
516 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
519 | EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */ |
517 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
520 | EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */ |
518 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
521 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
519 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
522 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */ |
520 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
523 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
521 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
524 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
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525 | EVBACKEND_LINUXAIO = 0x00000040U, /* linux AIO, 4.19+ */ |
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526 | EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, 5.1+ */ |
522 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
527 | EVBACKEND_ALL = 0x000000FFU, /* all known backends */ |
523 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
528 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
524 | }; |
529 | }; |
525 | |
530 | |
526 | #if EV_PROTOTYPES |
531 | #if EV_PROTOTYPES |
527 | EV_API_DECL int ev_version_major (void) EV_THROW; |
532 | EV_API_DECL int ev_version_major (void) EV_NOEXCEPT; |
528 | EV_API_DECL int ev_version_minor (void) EV_THROW; |
533 | EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT; |
529 | |
534 | |
530 | EV_API_DECL unsigned int ev_supported_backends (void) EV_THROW; |
535 | EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT; |
531 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_THROW; |
536 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT; |
532 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_THROW; |
537 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT; |
533 | |
538 | |
534 | EV_API_DECL ev_tstamp ev_time (void) EV_THROW; |
539 | EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT; |
535 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_THROW; /* sleep for a while */ |
540 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */ |
536 | |
541 | |
537 | /* Sets the allocation function to use, works like realloc. |
542 | /* Sets the allocation function to use, works like realloc. |
538 | * It is used to allocate and free memory. |
543 | * It is used to allocate and free memory. |
539 | * If it returns zero when memory needs to be allocated, the library might abort |
544 | * If it returns zero when memory needs to be allocated, the library might abort |
540 | * or take some potentially destructive action. |
545 | * or take some potentially destructive action. |
541 | * The default is your system realloc function. |
546 | * The default is your system realloc function. |
542 | */ |
547 | */ |
543 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW; |
548 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT; |
544 | |
549 | |
545 | /* set the callback function to call on a |
550 | /* set the callback function to call on a |
546 | * retryable syscall error |
551 | * retryable syscall error |
547 | * (such as failed select, poll, epoll_wait) |
552 | * (such as failed select, poll, epoll_wait) |
548 | */ |
553 | */ |
549 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW; |
554 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT; |
550 | |
555 | |
551 | #if EV_MULTIPLICITY |
556 | #if EV_MULTIPLICITY |
552 | |
557 | |
553 | /* the default loop is the only one that handles signals and child watchers */ |
558 | /* the default loop is the only one that handles signals and child watchers */ |
554 | /* you can call this as often as you like */ |
559 | /* you can call this as often as you like */ |
555 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; |
560 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
556 | |
561 | |
557 | #ifdef EV_API_STATIC |
562 | #ifdef EV_API_STATIC |
558 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
563 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
559 | #endif |
564 | #endif |
560 | |
565 | |
561 | EV_INLINE struct ev_loop * |
566 | EV_INLINE struct ev_loop * |
562 | ev_default_loop_uc_ (void) EV_THROW |
567 | ev_default_loop_uc_ (void) EV_NOEXCEPT |
563 | { |
568 | { |
564 | extern struct ev_loop *ev_default_loop_ptr; |
569 | extern struct ev_loop *ev_default_loop_ptr; |
565 | |
570 | |
566 | return ev_default_loop_ptr; |
571 | return ev_default_loop_ptr; |
567 | } |
572 | } |
568 | |
573 | |
569 | EV_INLINE int |
574 | EV_INLINE int |
570 | ev_is_default_loop (EV_P) EV_THROW |
575 | ev_is_default_loop (EV_P) EV_NOEXCEPT |
571 | { |
576 | { |
572 | return EV_A == EV_DEFAULT_UC; |
577 | return EV_A == EV_DEFAULT_UC; |
573 | } |
578 | } |
574 | |
579 | |
575 | /* create and destroy alternative loops that don't handle signals */ |
580 | /* create and destroy alternative loops that don't handle signals */ |
576 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_THROW; |
581 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
577 | |
582 | |
578 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_THROW; /* time w.r.t. timers and the eventloop, updated after each poll */ |
583 | EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */ |
579 | |
584 | |
580 | #else |
585 | #else |
581 | |
586 | |
582 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_THROW; /* returns true when successful */ |
587 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */ |
583 | |
588 | |
584 | EV_API_DECL ev_tstamp ev_rt_now; |
589 | EV_API_DECL ev_tstamp ev_rt_now; |
585 | |
590 | |
586 | EV_INLINE ev_tstamp |
591 | EV_INLINE ev_tstamp |
587 | ev_now (void) EV_THROW |
592 | ev_now (void) EV_NOEXCEPT |
588 | { |
593 | { |
589 | return ev_rt_now; |
594 | return ev_rt_now; |
590 | } |
595 | } |
591 | |
596 | |
592 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
597 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
593 | EV_INLINE int |
598 | EV_INLINE int |
594 | ev_is_default_loop (void) EV_THROW |
599 | ev_is_default_loop (void) EV_NOEXCEPT |
595 | { |
600 | { |
596 | return 1; |
601 | return 1; |
597 | } |
602 | } |
598 | |
603 | |
599 | #endif /* multiplicity */ |
604 | #endif /* multiplicity */ |
… | |
… | |
603 | |
608 | |
604 | /* this needs to be called after fork, to duplicate the loop */ |
609 | /* this needs to be called after fork, to duplicate the loop */ |
605 | /* when you want to re-use it in the child */ |
610 | /* when you want to re-use it in the child */ |
606 | /* you can call it in either the parent or the child */ |
611 | /* you can call it in either the parent or the child */ |
607 | /* you can actually call it at any time, anywhere :) */ |
612 | /* you can actually call it at any time, anywhere :) */ |
608 | EV_API_DECL void ev_loop_fork (EV_P) EV_THROW; |
613 | EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT; |
609 | |
614 | |
610 | EV_API_DECL unsigned int ev_backend (EV_P) EV_THROW; /* backend in use by loop */ |
615 | EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */ |
611 | |
616 | |
612 | EV_API_DECL void ev_now_update (EV_P) EV_THROW; /* update event loop time */ |
617 | EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */ |
613 | |
618 | |
614 | #if EV_WALK_ENABLE |
619 | #if EV_WALK_ENABLE |
615 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
620 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
616 | /* callback on every such watcher. The callback might stop the watcher, */ |
621 | /* callback on every such watcher. The callback might stop the watcher, */ |
617 | /* but do nothing else with the loop */ |
622 | /* but do nothing else with the loop */ |
618 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW; |
623 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT; |
619 | #endif |
624 | #endif |
620 | |
625 | |
621 | #endif /* prototypes */ |
626 | #endif /* prototypes */ |
622 | |
627 | |
623 | /* ev_run flags values */ |
628 | /* ev_run flags values */ |
… | |
… | |
633 | EVBREAK_ALL = 2 /* unloop all loops */ |
638 | EVBREAK_ALL = 2 /* unloop all loops */ |
634 | }; |
639 | }; |
635 | |
640 | |
636 | #if EV_PROTOTYPES |
641 | #if EV_PROTOTYPES |
637 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
642 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
638 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_THROW; /* break out of the loop */ |
643 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */ |
639 | |
644 | |
640 | /* |
645 | /* |
641 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
646 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
642 | * keeps one reference. if you have a long-running watcher you never unregister that |
647 | * keeps one reference. if you have a long-running watcher you never unregister that |
643 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
648 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
644 | */ |
649 | */ |
645 | EV_API_DECL void ev_ref (EV_P) EV_THROW; |
650 | EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT; |
646 | EV_API_DECL void ev_unref (EV_P) EV_THROW; |
651 | EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT; |
647 | |
652 | |
648 | /* |
653 | /* |
649 | * convenience function, wait for a single event, without registering an event watcher |
654 | * convenience function, wait for a single event, without registering an event watcher |
650 | * if timeout is < 0, do wait indefinitely |
655 | * if timeout is < 0, do wait indefinitely |
651 | */ |
656 | */ |
652 | 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; |
657 | 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; |
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658 | |
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659 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
653 | |
660 | |
654 | # if EV_FEATURE_API |
661 | # if EV_FEATURE_API |
655 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_THROW; /* number of loop iterations */ |
662 | EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */ |
656 | EV_API_DECL unsigned int ev_depth (EV_P) EV_THROW; /* #ev_loop enters - #ev_loop leaves */ |
663 | EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */ |
657 | EV_API_DECL void ev_verify (EV_P) EV_THROW; /* abort if loop data corrupted */ |
664 | EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */ |
658 | |
665 | |
659 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
666 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ |
660 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
667 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ |
661 | |
668 | |
662 | /* advanced stuff for threading etc. support, see docs */ |
669 | /* advanced stuff for threading etc. support, see docs */ |
663 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
670 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT; |
664 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
671 | EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT; |
665 | typedef void (*ev_loop_callback)(EV_P); |
672 | typedef void (*ev_loop_callback)(EV_P); |
666 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
673 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT; |
667 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out*/ |
674 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */ |
668 | 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; |
675 | 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; |
669 | |
676 | |
670 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
677 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */ |
671 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
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|
672 | |
678 | |
673 | /* |
679 | /* |
674 | * stop/start the timer handling. |
680 | * stop/start the timer handling. |
675 | */ |
681 | */ |
676 | EV_API_DECL void ev_suspend (EV_P) EV_THROW; |
682 | EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT; |
677 | EV_API_DECL void ev_resume (EV_P) EV_THROW; |
683 | EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT; |
678 | #endif |
684 | #endif |
679 | |
685 | |
680 | #endif |
686 | #endif |
681 | |
687 | |
682 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
688 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
… | |
… | |
686 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
692 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
687 | ev_set_priority ((ev), 0); \ |
693 | ev_set_priority ((ev), 0); \ |
688 | ev_set_cb ((ev), cb_); \ |
694 | ev_set_cb ((ev), cb_); \ |
689 | } while (0) |
695 | } while (0) |
690 | |
696 | |
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|
697 | #define ev_io_modify(ev,events_) do { (ev)->events = (ev)->events & EV__IOFDSET | (events_); } while (0) |
691 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
698 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
692 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
699 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
693 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
700 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
694 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
701 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
695 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
702 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
… | |
… | |
717 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
724 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
718 | |
725 | |
719 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
726 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
720 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
727 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
721 | |
728 | |
722 | #define ev_cb(ev) (ev)->cb /* rw */ |
729 | #define ev_cb_(ev) (ev)->cb /* rw */ |
|
|
730 | #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb) |
723 | |
731 | |
724 | #if EV_MINPRI == EV_MAXPRI |
732 | #if EV_MINPRI == EV_MAXPRI |
725 | # define ev_priority(ev) ((ev), EV_MINPRI) |
733 | # define ev_priority(ev) ((ev), EV_MINPRI) |
726 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
734 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
727 | #else |
735 | #else |
… | |
… | |
730 | #endif |
738 | #endif |
731 | |
739 | |
732 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
740 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
733 | |
741 | |
734 | #ifndef ev_set_cb |
742 | #ifndef ev_set_cb |
735 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
743 | /* memmove is used here to avoid strict aliasing violations, and hopefully is optimized out by any reasonable compiler */ |
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|
744 | # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) |
736 | #endif |
745 | #endif |
737 | |
746 | |
738 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
747 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
739 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
748 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
740 | #if EV_PROTOTYPES |
749 | #if EV_PROTOTYPES |
741 | |
750 | |
742 | /* feeds an event into a watcher as if the event actually occurred */ |
751 | /* feeds an event into a watcher as if the event actually occurred */ |
743 | /* accepts any ev_watcher type */ |
752 | /* accepts any ev_watcher type */ |
744 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |
753 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT; |
745 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW; |
754 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT; |
746 | #if EV_SIGNAL_ENABLE |
755 | #if EV_SIGNAL_ENABLE |
747 | EV_API_DECL void ev_feed_signal (int signum) EV_THROW; |
756 | EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT; |
748 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_THROW; |
757 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT; |
749 | #endif |
758 | #endif |
750 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
759 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
751 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_THROW; |
760 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT; |
752 | |
761 | |
753 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_THROW; |
762 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT; |
754 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_THROW; |
763 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT; |
755 | |
764 | |
756 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_THROW; |
765 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT; |
757 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_THROW; |
766 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT; |
758 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
767 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
759 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_THROW; |
768 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT; |
760 | /* return remaining time */ |
769 | /* return remaining time */ |
761 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW; |
770 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT; |
762 | |
771 | |
763 | #if EV_PERIODIC_ENABLE |
772 | #if EV_PERIODIC_ENABLE |
764 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW; |
773 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
765 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW; |
774 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
766 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW; |
775 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
767 | #endif |
776 | #endif |
768 | |
777 | |
769 | /* only supported in the default loop */ |
778 | /* only supported in the default loop */ |
770 | #if EV_SIGNAL_ENABLE |
779 | #if EV_SIGNAL_ENABLE |
771 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_THROW; |
780 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT; |
772 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_THROW; |
781 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT; |
773 | #endif |
782 | #endif |
774 | |
783 | |
775 | /* only supported in the default loop */ |
784 | /* only supported in the default loop */ |
776 | # if EV_CHILD_ENABLE |
785 | # if EV_CHILD_ENABLE |
777 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_THROW; |
786 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT; |
778 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_THROW; |
787 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT; |
779 | # endif |
788 | # endif |
780 | |
789 | |
781 | # if EV_STAT_ENABLE |
790 | # if EV_STAT_ENABLE |
782 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_THROW; |
791 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT; |
783 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_THROW; |
792 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT; |
784 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_THROW; |
793 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT; |
785 | # endif |
794 | # endif |
786 | |
795 | |
787 | # if EV_IDLE_ENABLE |
796 | # if EV_IDLE_ENABLE |
788 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_THROW; |
797 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT; |
789 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_THROW; |
798 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT; |
790 | # endif |
799 | # endif |
791 | |
800 | |
792 | #if EV_PREPARE_ENABLE |
801 | #if EV_PREPARE_ENABLE |
793 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW; |
802 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT; |
794 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW; |
803 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT; |
795 | #endif |
804 | #endif |
796 | |
805 | |
797 | #if EV_CHECK_ENABLE |
806 | #if EV_CHECK_ENABLE |
798 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_THROW; |
807 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT; |
799 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_THROW; |
808 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT; |
800 | #endif |
809 | #endif |
801 | |
810 | |
802 | # if EV_FORK_ENABLE |
811 | # if EV_FORK_ENABLE |
803 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_THROW; |
812 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT; |
804 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_THROW; |
813 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT; |
805 | # endif |
814 | # endif |
806 | |
815 | |
807 | # if EV_CLEANUP_ENABLE |
816 | # if EV_CLEANUP_ENABLE |
808 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW; |
817 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT; |
809 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW; |
818 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT; |
810 | # endif |
819 | # endif |
811 | |
820 | |
812 | # if EV_EMBED_ENABLE |
821 | # if EV_EMBED_ENABLE |
813 | /* only supported when loop to be embedded is in fact embeddable */ |
822 | /* only supported when loop to be embedded is in fact embeddable */ |
814 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_THROW; |
823 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT; |
815 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_THROW; |
824 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT; |
816 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW; |
825 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT; |
817 | # endif |
826 | # endif |
818 | |
827 | |
819 | # if EV_ASYNC_ENABLE |
828 | # if EV_ASYNC_ENABLE |
820 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_THROW; |
829 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT; |
821 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_THROW; |
830 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT; |
822 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_THROW; |
831 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT; |
823 | # endif |
832 | # endif |
824 | |
833 | |
825 | #if EV_COMPAT3 |
834 | #if EV_COMPAT3 |
826 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
835 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
827 | #define EVLOOP_ONESHOT EVRUN_ONCE |
836 | #define EVLOOP_ONESHOT EVRUN_ONCE |