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) 2007-2019 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 | * |
… | |
… | |
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) |
… | |
… | |
138 | # define EV_SIGNAL_ENABLE 1 |
149 | # define EV_SIGNAL_ENABLE 1 |
139 | #endif |
150 | #endif |
140 | |
151 | |
141 | /*****************************************************************************/ |
152 | /*****************************************************************************/ |
142 | |
153 | |
143 | typedef double ev_tstamp; |
154 | #ifndef EV_TSTAMP_T |
|
|
155 | # define EV_TSTAMP_T double |
|
|
156 | #endif |
|
|
157 | typedef EV_TSTAMP_T ev_tstamp; |
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|
158 | |
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|
159 | #include <string.h> /* for memmove */ |
144 | |
160 | |
145 | #ifndef EV_ATOMIC_T |
161 | #ifndef EV_ATOMIC_T |
146 | # include <signal.h> |
162 | # include <signal.h> |
147 | # define EV_ATOMIC_T sig_atomic_t volatile |
163 | # define EV_ATOMIC_T sig_atomic_t volatile |
148 | #endif |
164 | #endif |
… | |
… | |
197 | #endif |
213 | #endif |
198 | |
214 | |
199 | /*****************************************************************************/ |
215 | /*****************************************************************************/ |
200 | |
216 | |
201 | #define EV_VERSION_MAJOR 4 |
217 | #define EV_VERSION_MAJOR 4 |
202 | #define EV_VERSION_MINOR 4 |
218 | #define EV_VERSION_MINOR 31 |
203 | |
219 | |
204 | /* eventmask, revents, events... */ |
220 | /* eventmask, revents, events... */ |
205 | enum { |
221 | enum { |
206 | EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ |
222 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
207 | EV_NONE = 0x00, /* no events */ |
223 | EV_NONE = 0x00, /* no events */ |
208 | EV_READ = 0x01, /* ev_io detected read will not block */ |
224 | EV_READ = 0x01, /* ev_io detected read will not block */ |
209 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
225 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
210 | EV__IOFDSET = 0x80, /* internal use only */ |
226 | EV__IOFDSET = 0x80, /* internal use only */ |
211 | EV_IO = EV_READ, /* alias for type-detection */ |
227 | EV_IO = EV_READ, /* alias for type-detection */ |
212 | EV_TIMER = 0x00000100, /* timer timed out */ |
228 | EV_TIMER = 0x00000100, /* timer timed out */ |
213 | #if EV_COMPAT3 |
229 | #if EV_COMPAT3 |
214 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
230 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
215 | #endif |
231 | #endif |
216 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
232 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
217 | EV_SIGNAL = 0x00000400, /* signal was received */ |
233 | EV_SIGNAL = 0x00000400, /* signal was received */ |
218 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
234 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
219 | EV_STAT = 0x00001000, /* stat data changed */ |
235 | EV_STAT = 0x00001000, /* stat data changed */ |
220 | EV_IDLE = 0x00002000, /* event loop is idling */ |
236 | EV_IDLE = 0x00002000, /* event loop is idling */ |
221 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
237 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
222 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
238 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
223 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
239 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
224 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
240 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
225 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
241 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
226 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
242 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
227 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
243 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
228 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
244 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
229 | }; |
245 | }; |
230 | |
246 | |
231 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
247 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
232 | #ifndef EV_COMMON |
248 | #ifndef EV_COMMON |
233 | # define EV_COMMON void *data; |
249 | # define EV_COMMON void *data; |
… | |
… | |
325 | { |
341 | { |
326 | EV_WATCHER_TIME (ev_periodic) |
342 | EV_WATCHER_TIME (ev_periodic) |
327 | |
343 | |
328 | ev_tstamp offset; /* rw */ |
344 | ev_tstamp offset; /* rw */ |
329 | ev_tstamp interval; /* rw */ |
345 | ev_tstamp interval; /* rw */ |
330 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
346 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_NOEXCEPT; /* rw */ |
331 | } ev_periodic; |
347 | } ev_periodic; |
332 | |
348 | |
333 | /* invoked when the given signal has been received */ |
349 | /* invoked when the given signal has been received */ |
334 | /* revent EV_SIGNAL */ |
350 | /* revent EV_SIGNAL */ |
335 | typedef struct ev_signal |
351 | typedef struct ev_signal |
… | |
… | |
374 | |
390 | |
375 | int wd; /* wd for inotify, fd for kqueue */ |
391 | int wd; /* wd for inotify, fd for kqueue */ |
376 | } ev_stat; |
392 | } ev_stat; |
377 | #endif |
393 | #endif |
378 | |
394 | |
379 | #if EV_IDLE_ENABLE |
|
|
380 | /* 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 */ |
381 | /* revent EV_IDLE */ |
396 | /* revent EV_IDLE */ |
382 | typedef struct ev_idle |
397 | typedef struct ev_idle |
383 | { |
398 | { |
384 | EV_WATCHER (ev_idle) |
399 | EV_WATCHER (ev_idle) |
385 | } ev_idle; |
400 | } ev_idle; |
386 | #endif |
|
|
387 | |
401 | |
388 | /* 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 */ |
389 | /* you can still change events in any way you like */ |
403 | /* you can still change events in any way you like */ |
390 | /* revent EV_PREPARE */ |
404 | /* revent EV_PREPARE */ |
391 | typedef struct ev_prepare |
405 | typedef struct ev_prepare |
… | |
… | |
398 | typedef struct ev_check |
412 | typedef struct ev_check |
399 | { |
413 | { |
400 | EV_WATCHER (ev_check) |
414 | EV_WATCHER (ev_check) |
401 | } ev_check; |
415 | } ev_check; |
402 | |
416 | |
403 | #if EV_FORK_ENABLE |
|
|
404 | /* 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 */ |
405 | /* revent EV_FORK */ |
418 | /* revent EV_FORK */ |
406 | typedef struct ev_fork |
419 | typedef struct ev_fork |
407 | { |
420 | { |
408 | EV_WATCHER (ev_fork) |
421 | EV_WATCHER (ev_fork) |
409 | } ev_fork; |
422 | } ev_fork; |
410 | #endif |
|
|
411 | |
423 | |
412 | #if EV_CLEANUP_ENABLE |
|
|
413 | /* is invoked just before the loop gets destroyed */ |
424 | /* is invoked just before the loop gets destroyed */ |
414 | /* revent EV_CLEANUP */ |
425 | /* revent EV_CLEANUP */ |
415 | typedef struct ev_cleanup |
426 | typedef struct ev_cleanup |
416 | { |
427 | { |
417 | EV_WATCHER (ev_cleanup) |
428 | EV_WATCHER (ev_cleanup) |
418 | } ev_cleanup; |
429 | } ev_cleanup; |
419 | #endif |
|
|
420 | |
430 | |
421 | #if EV_EMBED_ENABLE |
431 | #if EV_EMBED_ENABLE |
422 | /* used to embed an event loop inside another */ |
432 | /* used to embed an event loop inside another */ |
423 | /* 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 */ |
424 | typedef struct ev_embed |
434 | typedef struct ev_embed |
425 | { |
435 | { |
426 | EV_WATCHER (ev_embed) |
436 | EV_WATCHER (ev_embed) |
427 | |
437 | |
428 | struct ev_loop *other; /* ro */ |
438 | struct ev_loop *other; /* ro */ |
|
|
439 | #undef EV_IO_ENABLE |
|
|
440 | #define EV_IO_ENABLE 1 |
429 | ev_io io; /* private */ |
441 | ev_io io; /* private */ |
|
|
442 | #undef EV_PREPARE_ENABLE |
|
|
443 | #define EV_PREPARE_ENABLE 1 |
430 | ev_prepare prepare; /* private */ |
444 | ev_prepare prepare; /* private */ |
431 | ev_check check; /* unused */ |
445 | ev_check check; /* unused */ |
432 | ev_timer timer; /* unused */ |
446 | ev_timer timer; /* unused */ |
433 | ev_periodic periodic; /* unused */ |
447 | ev_periodic periodic; /* unused */ |
434 | ev_idle idle; /* unused */ |
448 | ev_idle idle; /* unused */ |
435 | ev_fork fork; /* private */ |
449 | ev_fork fork; /* private */ |
436 | #if EV_CLEANUP_ENABLE |
|
|
437 | ev_cleanup cleanup; /* unused */ |
450 | ev_cleanup cleanup; /* unused */ |
438 | #endif |
|
|
439 | } ev_embed; |
451 | } ev_embed; |
440 | #endif |
452 | #endif |
441 | |
453 | |
442 | #if EV_ASYNC_ENABLE |
454 | #if EV_ASYNC_ENABLE |
443 | /* invoked when somebody calls ev_async_send on the watcher */ |
455 | /* invoked when somebody calls ev_async_send on the watcher */ |
… | |
… | |
486 | }; |
498 | }; |
487 | |
499 | |
488 | /* flag bits for ev_default_loop and ev_loop_new */ |
500 | /* flag bits for ev_default_loop and ev_loop_new */ |
489 | enum { |
501 | enum { |
490 | /* the default */ |
502 | /* the default */ |
491 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
503 | EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ |
492 | /* flag bits */ |
504 | /* flag bits */ |
493 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
505 | EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ |
494 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
506 | EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ |
495 | /* debugging/feature disable */ |
507 | /* debugging/feature disable */ |
496 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
508 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
497 | #if EV_COMPAT3 |
509 | #if EV_COMPAT3 |
498 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
510 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
499 | #endif |
511 | #endif |
500 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
512 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
501 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
513 | EVFLAG_NOSIGMASK = 0x00400000U, /* avoid modifying the signal mask */ |
|
|
514 | EVFLAG_NOTIMERFD = 0x00800000U /* avoid creating a timerfd */ |
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 */ |
|
|
525 | EVBACKEND_LINUXAIO = 0x00000040U, /* linux AIO, 4.19+ */ |
|
|
526 | EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, 5.1+ */ |
512 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
527 | EVBACKEND_ALL = 0x000000FFU, /* all known backends */ |
513 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
528 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
514 | }; |
529 | }; |
515 | |
530 | |
516 | #if EV_PROTOTYPES |
531 | #if EV_PROTOTYPES |
517 | EV_API_DECL int ev_version_major (void); |
532 | EV_API_DECL int ev_version_major (void) EV_NOEXCEPT; |
518 | EV_API_DECL int ev_version_minor (void); |
533 | EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT; |
519 | |
534 | |
520 | EV_API_DECL unsigned int ev_supported_backends (void); |
535 | EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT; |
521 | EV_API_DECL unsigned int ev_recommended_backends (void); |
536 | EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT; |
522 | EV_API_DECL unsigned int ev_embeddable_backends (void); |
537 | EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT; |
523 | |
538 | |
524 | EV_API_DECL ev_tstamp ev_time (void); |
539 | EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT; |
525 | EV_API_DECL void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
540 | EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */ |
526 | |
541 | |
527 | /* Sets the allocation function to use, works like realloc. |
542 | /* Sets the allocation function to use, works like realloc. |
528 | * It is used to allocate and free memory. |
543 | * It is used to allocate and free memory. |
529 | * 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 |
530 | * or take some potentially destructive action. |
545 | * or take some potentially destructive action. |
531 | * The default is your system realloc function. |
546 | * The default is your system realloc function. |
532 | */ |
547 | */ |
533 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
548 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT; |
534 | |
549 | |
535 | /* set the callback function to call on a |
550 | /* set the callback function to call on a |
536 | * retryable syscall error |
551 | * retryable syscall error |
537 | * (such as failed select, poll, epoll_wait) |
552 | * (such as failed select, poll, epoll_wait) |
538 | */ |
553 | */ |
539 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg)); |
554 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT; |
540 | |
555 | |
541 | #if EV_MULTIPLICITY |
556 | #if EV_MULTIPLICITY |
542 | |
557 | |
543 | /* 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 */ |
544 | /* you can call this as often as you like */ |
559 | /* 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)); |
560 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
546 | |
561 | |
547 | #ifdef EV_API_STATIC |
562 | #ifdef EV_API_STATIC |
548 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
563 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
549 | #endif |
564 | #endif |
550 | |
565 | |
551 | EV_INLINE struct ev_loop * |
566 | EV_INLINE struct ev_loop * |
552 | ev_default_loop_uc_ (void) |
567 | ev_default_loop_uc_ (void) EV_NOEXCEPT |
553 | { |
568 | { |
554 | extern struct ev_loop *ev_default_loop_ptr; |
569 | extern struct ev_loop *ev_default_loop_ptr; |
555 | |
570 | |
556 | return ev_default_loop_ptr; |
571 | return ev_default_loop_ptr; |
557 | } |
572 | } |
558 | |
573 | |
559 | EV_INLINE int |
574 | EV_INLINE int |
560 | ev_is_default_loop (EV_P) |
575 | ev_is_default_loop (EV_P) EV_NOEXCEPT |
561 | { |
576 | { |
562 | return EV_A == EV_DEFAULT_UC; |
577 | return EV_A == EV_DEFAULT_UC; |
563 | } |
578 | } |
564 | |
579 | |
565 | /* create and destroy alternative loops that don't handle signals */ |
580 | /* 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)); |
581 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; |
567 | |
582 | |
568 | EV_API_DECL ev_tstamp ev_now (EV_P); /* 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 */ |
569 | |
584 | |
570 | #else |
585 | #else |
571 | |
586 | |
572 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ |
587 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */ |
573 | |
588 | |
574 | EV_API_DECL ev_tstamp ev_rt_now; |
589 | EV_API_DECL ev_tstamp ev_rt_now; |
575 | |
590 | |
576 | EV_INLINE ev_tstamp |
591 | EV_INLINE ev_tstamp |
577 | ev_now (void) |
592 | ev_now (void) EV_NOEXCEPT |
578 | { |
593 | { |
579 | return ev_rt_now; |
594 | return ev_rt_now; |
580 | } |
595 | } |
581 | |
596 | |
582 | /* 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 */ |
583 | EV_INLINE int |
598 | EV_INLINE int |
584 | ev_is_default_loop (void) |
599 | ev_is_default_loop (void) EV_NOEXCEPT |
585 | { |
600 | { |
586 | return 1; |
601 | return 1; |
587 | } |
602 | } |
588 | |
603 | |
589 | #endif /* multiplicity */ |
604 | #endif /* multiplicity */ |
… | |
… | |
593 | |
608 | |
594 | /* this needs to be called after fork, to duplicate the loop */ |
609 | /* this needs to be called after fork, to duplicate the loop */ |
595 | /* when you want to re-use it in the child */ |
610 | /* when you want to re-use it in the child */ |
596 | /* you can call it in either the parent or the child */ |
611 | /* you can call it in either the parent or the child */ |
597 | /* you can actually call it at any time, anywhere :) */ |
612 | /* you can actually call it at any time, anywhere :) */ |
598 | EV_API_DECL void ev_loop_fork (EV_P); |
613 | EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT; |
599 | |
614 | |
600 | EV_API_DECL unsigned int ev_backend (EV_P); /* backend in use by loop */ |
615 | EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */ |
601 | |
616 | |
602 | EV_API_DECL void ev_now_update (EV_P); /* update event loop time */ |
617 | EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */ |
603 | |
618 | |
604 | #if EV_WALK_ENABLE |
619 | #if EV_WALK_ENABLE |
605 | /* 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 */ |
606 | /* callback on every such watcher. The callback might stop the watcher, */ |
621 | /* callback on every such watcher. The callback might stop the watcher, */ |
607 | /* but do nothing else with the loop */ |
622 | /* 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)); |
623 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT; |
609 | #endif |
624 | #endif |
610 | |
625 | |
611 | #endif /* prototypes */ |
626 | #endif /* prototypes */ |
612 | |
627 | |
613 | /* ev_run flags values */ |
628 | /* ev_run flags values */ |
… | |
… | |
622 | EVBREAK_ONE = 1, /* unloop once */ |
637 | EVBREAK_ONE = 1, /* unloop once */ |
623 | EVBREAK_ALL = 2 /* unloop all loops */ |
638 | EVBREAK_ALL = 2 /* unloop all loops */ |
624 | }; |
639 | }; |
625 | |
640 | |
626 | #if EV_PROTOTYPES |
641 | #if EV_PROTOTYPES |
627 | EV_API_DECL void ev_run (EV_P_ int flags EV_CPP (= 0)); |
642 | 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 */ |
643 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */ |
629 | |
644 | |
630 | /* |
645 | /* |
631 | * 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 |
632 | * 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 |
633 | * 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. |
634 | */ |
649 | */ |
635 | EV_API_DECL void ev_ref (EV_P); |
650 | EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT; |
636 | EV_API_DECL void ev_unref (EV_P); |
651 | EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT; |
637 | |
652 | |
638 | /* |
653 | /* |
639 | * 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 |
640 | * if timeout is < 0, do wait indefinitely |
655 | * if timeout is < 0, do wait indefinitely |
641 | */ |
656 | */ |
642 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
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; |
|
|
658 | |
|
|
659 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
643 | |
660 | |
644 | # if EV_FEATURE_API |
661 | # if EV_FEATURE_API |
645 | EV_API_DECL unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
662 | 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 */ |
663 | 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 */ |
664 | EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */ |
648 | |
665 | |
649 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* 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 */ |
650 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* 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 */ |
651 | |
668 | |
652 | /* advanced stuff for threading etc. support, see docs */ |
669 | /* advanced stuff for threading etc. support, see docs */ |
653 | EV_API_DECL void ev_set_userdata (EV_P_ void *data); |
670 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT; |
654 | EV_API_DECL void *ev_userdata (EV_P); |
671 | EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT; |
|
|
672 | 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)); |
673 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT; |
|
|
674 | /* 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)); |
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; |
657 | |
676 | |
658 | EV_API_DECL unsigned int ev_pending_count (EV_P); /* 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 */ |
659 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
|
|
660 | |
678 | |
661 | /* |
679 | /* |
662 | * stop/start the timer handling. |
680 | * stop/start the timer handling. |
663 | */ |
681 | */ |
664 | EV_API_DECL void ev_suspend (EV_P); |
682 | EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT; |
665 | EV_API_DECL void ev_resume (EV_P); |
683 | EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT; |
666 | #endif |
684 | #endif |
667 | |
685 | |
668 | #endif |
686 | #endif |
669 | |
687 | |
670 | /* 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 */ |
… | |
… | |
674 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
692 | ((ev_watcher *)(void *)(ev))->pending = 0; \ |
675 | ev_set_priority ((ev), 0); \ |
693 | ev_set_priority ((ev), 0); \ |
676 | ev_set_cb ((ev), cb_); \ |
694 | ev_set_cb ((ev), cb_); \ |
677 | } while (0) |
695 | } while (0) |
678 | |
696 | |
|
|
697 | #define ev_io_modify(ev,events_) do { (ev)->events = (ev)->events & EV__IOMASK | (events_); } while (0) |
679 | #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) |
680 | #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) |
681 | #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) |
682 | #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) |
683 | #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) |
… | |
… | |
705 | #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) |
706 | |
725 | |
707 | #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 */ |
708 | #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 */ |
709 | |
728 | |
710 | #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) |
711 | |
731 | |
712 | #if EV_MINPRI == EV_MAXPRI |
732 | #if EV_MINPRI == EV_MAXPRI |
713 | # define ev_priority(ev) ((ev), EV_MINPRI) |
733 | # define ev_priority(ev) ((ev), EV_MINPRI) |
714 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
734 | # define ev_set_priority(ev,pri) ((ev), (pri)) |
715 | #else |
735 | #else |
… | |
… | |
718 | #endif |
738 | #endif |
719 | |
739 | |
720 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
740 | #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) |
721 | |
741 | |
722 | #ifndef ev_set_cb |
742 | #ifndef ev_set_cb |
723 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
743 | # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) |
724 | #endif |
744 | #endif |
725 | |
745 | |
726 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
746 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
727 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
747 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
728 | #if EV_PROTOTYPES |
748 | #if EV_PROTOTYPES |
729 | |
749 | |
730 | /* feeds an event into a watcher as if the event actually occurred */ |
750 | /* feeds an event into a watcher as if the event actually occurred */ |
731 | /* accepts any ev_watcher type */ |
751 | /* accepts any ev_watcher type */ |
732 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents); |
752 | 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); |
753 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT; |
734 | #if EV_SIGNAL_ENABLE |
754 | #if EV_SIGNAL_ENABLE |
735 | EV_API_DECL void ev_feed_signal (int signum); |
755 | EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT; |
736 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum); |
756 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT; |
737 | #endif |
757 | #endif |
738 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
758 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
739 | EV_API_DECL int ev_clear_pending (EV_P_ void *w); |
759 | EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT; |
740 | |
760 | |
741 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w); |
761 | 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); |
762 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT; |
743 | |
763 | |
744 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w); |
764 | 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); |
765 | 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 */ |
766 | /* 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); |
767 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT; |
748 | /* return remaining time */ |
768 | /* return remaining time */ |
749 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
769 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT; |
750 | |
770 | |
751 | #if EV_PERIODIC_ENABLE |
771 | #if EV_PERIODIC_ENABLE |
752 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w); |
772 | 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); |
773 | 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); |
774 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT; |
755 | #endif |
775 | #endif |
756 | |
776 | |
757 | /* only supported in the default loop */ |
777 | /* only supported in the default loop */ |
758 | #if EV_SIGNAL_ENABLE |
778 | #if EV_SIGNAL_ENABLE |
759 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w); |
779 | 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); |
780 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT; |
761 | #endif |
781 | #endif |
762 | |
782 | |
763 | /* only supported in the default loop */ |
783 | /* only supported in the default loop */ |
764 | # if EV_CHILD_ENABLE |
784 | # if EV_CHILD_ENABLE |
765 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w); |
785 | 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); |
786 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT; |
767 | # endif |
787 | # endif |
768 | |
788 | |
769 | # if EV_STAT_ENABLE |
789 | # if EV_STAT_ENABLE |
770 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w); |
790 | 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); |
791 | 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); |
792 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT; |
773 | # endif |
793 | # endif |
774 | |
794 | |
775 | # if EV_IDLE_ENABLE |
795 | # if EV_IDLE_ENABLE |
776 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w); |
796 | 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); |
797 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT; |
778 | # endif |
798 | # endif |
779 | |
799 | |
780 | #if EV_PREPARE_ENABLE |
800 | #if EV_PREPARE_ENABLE |
781 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w); |
801 | 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); |
802 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT; |
783 | #endif |
803 | #endif |
784 | |
804 | |
785 | #if EV_CHECK_ENABLE |
805 | #if EV_CHECK_ENABLE |
786 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w); |
806 | 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); |
807 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT; |
788 | #endif |
808 | #endif |
789 | |
809 | |
790 | # if EV_FORK_ENABLE |
810 | # if EV_FORK_ENABLE |
791 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w); |
811 | 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); |
812 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT; |
793 | # endif |
813 | # endif |
794 | |
814 | |
795 | # if EV_CLEANUP_ENABLE |
815 | # if EV_CLEANUP_ENABLE |
796 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w); |
816 | 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); |
817 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT; |
798 | # endif |
818 | # endif |
799 | |
819 | |
800 | # if EV_EMBED_ENABLE |
820 | # if EV_EMBED_ENABLE |
801 | /* only supported when loop to be embedded is in fact embeddable */ |
821 | /* only supported when loop to be embedded is in fact embeddable */ |
802 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w); |
822 | 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); |
823 | 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); |
824 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT; |
805 | # endif |
825 | # endif |
806 | |
826 | |
807 | # if EV_ASYNC_ENABLE |
827 | # if EV_ASYNC_ENABLE |
808 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w); |
828 | 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); |
829 | 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); |
830 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT; |
811 | # endif |
831 | # endif |
812 | |
832 | |
813 | #if EV_COMPAT3 |
833 | #if EV_COMPAT3 |
814 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
834 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
815 | #define EVLOOP_ONESHOT EVRUN_ONCE |
835 | #define EVLOOP_ONESHOT EVRUN_ONCE |