1 | /* |
1 | /* |
2 | * libev native API header |
2 | * libev native API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
10 | * 1. Redistributions of source code must retain the above copyright notice, |
11 | * this list of conditions and the following disclaimer. |
11 | * this list of conditions and the following disclaimer. |
12 | * |
12 | * |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
… | |
… | |
39 | |
39 | |
40 | #ifndef EV_H_ |
40 | #ifndef EV_H_ |
41 | #define EV_H_ |
41 | #define EV_H_ |
42 | |
42 | |
43 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
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|
44 | # define EV_CPP(x) x |
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|
45 | #else |
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|
46 | # define EV_CPP(x) |
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|
47 | #endif |
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|
48 | |
44 | extern "C" { |
49 | EV_CPP(extern "C" {) |
45 | #endif |
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|
46 | |
50 | |
47 | /*****************************************************************************/ |
51 | /*****************************************************************************/ |
48 | |
52 | |
49 | /* pre-4.0 compatibility */ |
53 | /* pre-4.0 compatibility */ |
50 | #ifndef EV_COMPAT3 |
54 | #ifndef EV_COMPAT3 |
… | |
… | |
97 | |
101 | |
98 | #ifndef EV_FORK_ENABLE |
102 | #ifndef EV_FORK_ENABLE |
99 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
103 | # define EV_FORK_ENABLE EV_FEATURE_WATCHERS |
100 | #endif |
104 | #endif |
101 | |
105 | |
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|
106 | #ifndef EV_CLEANUP_ENABLE |
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107 | # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS |
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108 | #endif |
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|
109 | |
102 | #ifndef EV_SIGNAL_ENABLE |
110 | #ifndef EV_SIGNAL_ENABLE |
103 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
111 | # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS |
104 | #endif |
112 | #endif |
105 | |
113 | |
106 | #ifndef EV_CHILD_ENABLE |
114 | #ifndef EV_CHILD_ENABLE |
… | |
… | |
145 | # include <sys/types.h> |
153 | # include <sys/types.h> |
146 | # endif |
154 | # endif |
147 | # include <sys/stat.h> |
155 | # include <sys/stat.h> |
148 | #endif |
156 | #endif |
149 | |
157 | |
150 | #ifdef __cplusplus |
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|
151 | # define EV_DEFARG(x) = x |
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|
152 | #else |
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|
153 | # define EV_DEFARG(x) |
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154 | #endif |
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155 | |
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|
156 | /* support multiple event loops? */ |
158 | /* support multiple event loops? */ |
157 | #if EV_MULTIPLICITY |
159 | #if EV_MULTIPLICITY |
158 | struct ev_loop; |
160 | struct ev_loop; |
159 | # define EV_P struct ev_loop *loop |
161 | # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ |
160 | # define EV_P_ EV_P, |
162 | # define EV_P_ EV_P, /* a loop as first of multiple parameters */ |
161 | # define EV_A loop |
163 | # define EV_A loop /* a loop as sole argument to a function call */ |
162 | # define EV_A_ EV_A, |
164 | # define EV_A_ EV_A, /* a loop as first of multiple arguments */ |
163 | # define EV_DEFAULT_UC ev_default_loop_uc () |
165 | # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ |
164 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
166 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ |
165 | # define EV_DEFAULT ev_default_loop (0) |
167 | # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ |
166 | # define EV_DEFAULT_ EV_DEFAULT, |
168 | # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ |
167 | #else |
169 | #else |
168 | # define EV_P void |
170 | # define EV_P void |
169 | # define EV_P_ |
171 | # define EV_P_ |
170 | # define EV_A |
172 | # define EV_A |
171 | # define EV_A_ |
173 | # define EV_A_ |
… | |
… | |
174 | # define EV_DEFAULT_UC |
176 | # define EV_DEFAULT_UC |
175 | # define EV_DEFAULT_UC_ |
177 | # define EV_DEFAULT_UC_ |
176 | # undef EV_EMBED_ENABLE |
178 | # undef EV_EMBED_ENABLE |
177 | #endif |
179 | #endif |
178 | |
180 | |
|
|
181 | /* EV_INLINE is used for functions in header files */ |
179 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
182 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
180 | # define EV_INLINE static inline |
183 | # define EV_INLINE static inline |
181 | #else |
184 | #else |
182 | # define EV_INLINE static |
185 | # define EV_INLINE static |
183 | #endif |
186 | #endif |
184 | |
187 | |
|
|
188 | #ifdef EV_API_STATIC |
|
|
189 | # define EV_API_DECL static |
|
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190 | #else |
|
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191 | # define EV_API_DECL extern |
|
|
192 | #endif |
|
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193 | |
|
|
194 | /* EV_PROTOTYPES can be used to switch of prototype declarations */ |
185 | #ifndef EV_PROTOTYPES |
195 | #ifndef EV_PROTOTYPES |
186 | # define EV_PROTOTYPES 1 |
196 | # define EV_PROTOTYPES 1 |
187 | #endif |
197 | #endif |
188 | |
198 | |
189 | /*****************************************************************************/ |
199 | /*****************************************************************************/ |
190 | |
200 | |
191 | #define EV_VERSION_MAJOR 4 |
201 | #define EV_VERSION_MAJOR 4 |
192 | #define EV_VERSION_MINOR 0 |
202 | #define EV_VERSION_MINOR 11 |
193 | |
203 | |
194 | /* eventmask, revents, events... */ |
204 | /* eventmask, revents, events... */ |
195 | enum { |
205 | enum { |
196 | EV_UNDEF = -1, /* guaranteed to be invalid */ |
206 | EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ |
197 | EV_NONE = 0x00, /* no events */ |
207 | EV_NONE = 0x00, /* no events */ |
198 | EV_READ = 0x01, /* ev_io detected read will not block */ |
208 | EV_READ = 0x01, /* ev_io detected read will not block */ |
199 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
209 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
200 | EV__IOFDSET = 0x80, /* internal use only */ |
210 | EV__IOFDSET = 0x80, /* internal use only */ |
201 | EV_IO = EV_READ, /* alias for type-detection */ |
211 | EV_IO = EV_READ, /* alias for type-detection */ |
… | |
… | |
210 | EV_IDLE = 0x00002000, /* event loop is idling */ |
220 | EV_IDLE = 0x00002000, /* event loop is idling */ |
211 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
221 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
212 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
222 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
213 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
223 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
214 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
224 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
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|
225 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
215 | EV_ASYNC = 0x00040000, /* async intra-loop signal */ |
226 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
216 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
227 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
217 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
228 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
218 | }; |
229 | }; |
219 | |
230 | |
220 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
231 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
… | |
… | |
389 | EV_WATCHER (ev_check) |
400 | EV_WATCHER (ev_check) |
390 | } ev_check; |
401 | } ev_check; |
391 | |
402 | |
392 | #if EV_FORK_ENABLE |
403 | #if EV_FORK_ENABLE |
393 | /* the callback gets invoked before check in the child process when a fork was detected */ |
404 | /* the callback gets invoked before check in the child process when a fork was detected */ |
|
|
405 | /* revent EV_FORK */ |
394 | typedef struct ev_fork |
406 | typedef struct ev_fork |
395 | { |
407 | { |
396 | EV_WATCHER (ev_fork) |
408 | EV_WATCHER (ev_fork) |
397 | } ev_fork; |
409 | } ev_fork; |
|
|
410 | #endif |
|
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411 | |
|
|
412 | #if EV_CLEANUP_ENABLE |
|
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413 | /* is invoked just before the loop gets destroyed */ |
|
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414 | /* revent EV_CLEANUP */ |
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415 | typedef struct ev_cleanup |
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416 | { |
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417 | EV_WATCHER (ev_cleanup) |
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418 | } ev_cleanup; |
398 | #endif |
419 | #endif |
399 | |
420 | |
400 | #if EV_EMBED_ENABLE |
421 | #if EV_EMBED_ENABLE |
401 | /* used to embed an event loop inside another */ |
422 | /* used to embed an event loop inside another */ |
402 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
423 | /* the callback gets invoked when the event loop has handled events, and can be 0 */ |
… | |
… | |
410 | ev_check check; /* unused */ |
431 | ev_check check; /* unused */ |
411 | ev_timer timer; /* unused */ |
432 | ev_timer timer; /* unused */ |
412 | ev_periodic periodic; /* unused */ |
433 | ev_periodic periodic; /* unused */ |
413 | ev_idle idle; /* unused */ |
434 | ev_idle idle; /* unused */ |
414 | ev_fork fork; /* private */ |
435 | ev_fork fork; /* private */ |
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|
436 | #if EV_CLEANUP_ENABLE |
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437 | ev_cleanup cleanup; /* unused */ |
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|
438 | #endif |
415 | } ev_embed; |
439 | } ev_embed; |
416 | #endif |
440 | #endif |
417 | |
441 | |
418 | #if EV_ASYNC_ENABLE |
442 | #if EV_ASYNC_ENABLE |
419 | /* invoked when somebody calls ev_async_send on the watcher */ |
443 | /* invoked when somebody calls ev_async_send on the watcher */ |
… | |
… | |
447 | #endif |
471 | #endif |
448 | struct ev_prepare prepare; |
472 | struct ev_prepare prepare; |
449 | struct ev_check check; |
473 | struct ev_check check; |
450 | #if EV_FORK_ENABLE |
474 | #if EV_FORK_ENABLE |
451 | struct ev_fork fork; |
475 | struct ev_fork fork; |
|
|
476 | #endif |
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477 | #if EV_CLEANUP_ENABLE |
|
|
478 | struct ev_cleanup cleanup; |
452 | #endif |
479 | #endif |
453 | #if EV_EMBED_ENABLE |
480 | #if EV_EMBED_ENABLE |
454 | struct ev_embed embed; |
481 | struct ev_embed embed; |
455 | #endif |
482 | #endif |
456 | #if EV_ASYNC_ENABLE |
483 | #if EV_ASYNC_ENABLE |
… | |
… | |
468 | /* debugging/feature disable */ |
495 | /* debugging/feature disable */ |
469 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
496 | EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ |
470 | #if EV_COMPAT3 |
497 | #if EV_COMPAT3 |
471 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
498 | EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ |
472 | #endif |
499 | #endif |
473 | EVFLAG_SIGNALFD = 0x00200000U /* attempt to use signalfd */ |
500 | EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ |
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|
501 | EVFLAG_NOSIGMASK = 0x00400000U /* avoid modifying the signal mask */ |
474 | }; |
502 | }; |
475 | |
503 | |
476 | /* method bits to be ored together */ |
504 | /* method bits to be ored together */ |
477 | enum { |
505 | enum { |
478 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
506 | EVBACKEND_SELECT = 0x00000001U, /* about anywhere */ |
479 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
507 | EVBACKEND_POLL = 0x00000002U, /* !win */ |
480 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
508 | EVBACKEND_EPOLL = 0x00000004U, /* linux */ |
481 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
509 | EVBACKEND_KQUEUE = 0x00000008U, /* bsd */ |
482 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
510 | EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ |
483 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
511 | EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ |
484 | EVBACKEND_ALL = 0x0000003FU |
512 | EVBACKEND_ALL = 0x0000003FU, /* all known backends */ |
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513 | EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ |
485 | }; |
514 | }; |
486 | |
515 | |
487 | #if EV_PROTOTYPES |
516 | #if EV_PROTOTYPES |
488 | int ev_version_major (void); |
517 | EV_API_DECL int ev_version_major (void); |
489 | int ev_version_minor (void); |
518 | EV_API_DECL int ev_version_minor (void); |
490 | |
519 | |
491 | unsigned int ev_supported_backends (void); |
520 | EV_API_DECL unsigned int ev_supported_backends (void); |
492 | unsigned int ev_recommended_backends (void); |
521 | EV_API_DECL unsigned int ev_recommended_backends (void); |
493 | unsigned int ev_embeddable_backends (void); |
522 | EV_API_DECL unsigned int ev_embeddable_backends (void); |
494 | |
523 | |
495 | ev_tstamp ev_time (void); |
524 | EV_API_DECL ev_tstamp ev_time (void); |
496 | void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
525 | EV_API_DECL void ev_sleep (ev_tstamp delay); /* sleep for a while */ |
497 | |
526 | |
498 | /* Sets the allocation function to use, works like realloc. |
527 | /* Sets the allocation function to use, works like realloc. |
499 | * It is used to allocate and free memory. |
528 | * It is used to allocate and free memory. |
500 | * If it returns zero when memory needs to be allocated, the library might abort |
529 | * If it returns zero when memory needs to be allocated, the library might abort |
501 | * or take some potentially destructive action. |
530 | * or take some potentially destructive action. |
502 | * The default is your system realloc function. |
531 | * The default is your system realloc function. |
503 | */ |
532 | */ |
504 | void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
533 | EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size)); |
505 | |
534 | |
506 | /* set the callback function to call on a |
535 | /* set the callback function to call on a |
507 | * retryable syscall error |
536 | * retryable syscall error |
508 | * (such as failed select, poll, epoll_wait) |
537 | * (such as failed select, poll, epoll_wait) |
509 | */ |
538 | */ |
510 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
539 | EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg)); |
511 | |
540 | |
512 | #if EV_MULTIPLICITY |
541 | #if EV_MULTIPLICITY |
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542 | |
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543 | /* the default loop is the only one that handles signals and child watchers */ |
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544 | /* you can call this as often as you like */ |
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545 | EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)); |
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546 | |
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547 | #ifdef EV_API_STATIC |
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548 | EV_API_DECL struct ev_loop *ev_default_loop_ptr; |
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549 | #endif |
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550 | |
513 | EV_INLINE struct ev_loop * |
551 | EV_INLINE struct ev_loop * |
514 | ev_default_loop_uc (void) |
552 | ev_default_loop_uc_ (void) |
515 | { |
553 | { |
516 | extern struct ev_loop *ev_default_loop_ptr; |
554 | extern struct ev_loop *ev_default_loop_ptr; |
517 | |
555 | |
518 | return ev_default_loop_ptr; |
556 | return ev_default_loop_ptr; |
519 | } |
557 | } |
520 | |
558 | |
521 | /* the default loop is the only one that handles signals and child watchers */ |
559 | EV_INLINE int |
522 | /* you can call this as often as you like */ |
560 | ev_is_default_loop (EV_P) |
523 | EV_INLINE struct ev_loop * |
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524 | ev_default_loop (unsigned int flags EV_DEFARG (0)) |
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525 | { |
561 | { |
526 | struct ev_loop *loop = ev_default_loop_uc (); |
562 | return EV_A == EV_DEFAULT_UC; |
527 | |
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528 | if (!loop) |
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529 | { |
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530 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
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531 | |
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532 | loop = ev_default_loop_init (flags); |
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533 | } |
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534 | |
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535 | return loop; |
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536 | } |
563 | } |
537 | |
564 | |
538 | /* create and destroy alternative loops that don't handle signals */ |
565 | /* create and destroy alternative loops that don't handle signals */ |
539 | struct ev_loop *ev_loop_new (unsigned int flags EV_DEFARG (0)); |
566 | EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)); |
540 | void ev_loop_destroy (EV_P); |
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541 | void ev_loop_fork (EV_P); |
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542 | |
567 | |
543 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
568 | EV_API_DECL ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
544 | |
569 | |
545 | #else |
570 | #else |
546 | |
571 | |
547 | int ev_default_loop (unsigned int flags EV_DEFARG (0)); /* returns true when successful */ |
572 | EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)); /* returns true when successful */ |
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573 | |
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574 | EV_API_DECL ev_tstamp ev_rt_now; |
548 | |
575 | |
549 | EV_INLINE ev_tstamp |
576 | EV_INLINE ev_tstamp |
550 | ev_now (void) |
577 | ev_now (void) |
551 | { |
578 | { |
552 | extern ev_tstamp ev_rt_now; |
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553 | |
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|
554 | return ev_rt_now; |
579 | return ev_rt_now; |
555 | } |
580 | } |
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581 | |
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|
582 | /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ |
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583 | EV_INLINE int |
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584 | ev_is_default_loop (void) |
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585 | { |
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586 | return 1; |
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587 | } |
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588 | |
556 | #endif /* multiplicity */ |
589 | #endif /* multiplicity */ |
557 | |
590 | |
558 | EV_INLINE int |
591 | /* destroy event loops, also works for the default loop */ |
559 | ev_is_default_loop (EV_P) |
592 | EV_API_DECL void ev_loop_destroy (EV_P); |
560 | { |
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561 | #if EV_MULTIPLICITY |
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562 | extern struct ev_loop *ev_default_loop_ptr; |
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563 | |
593 | |
564 | return !!(EV_A == ev_default_loop_ptr); |
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565 | #else |
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566 | return 1; |
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567 | #endif |
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568 | } |
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569 | |
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570 | void ev_default_destroy (void); /* destroy the default loop */ |
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571 | /* this needs to be called after fork, to duplicate the default loop */ |
594 | /* this needs to be called after fork, to duplicate the loop */ |
572 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
595 | /* when you want to re-use it in the child */ |
573 | /* you can call it in either the parent or the child */ |
596 | /* you can call it in either the parent or the child */ |
574 | /* you can actually call it at any time, anywhere :) */ |
597 | /* you can actually call it at any time, anywhere :) */ |
575 | void ev_default_fork (void); |
598 | EV_API_DECL void ev_loop_fork (EV_P); |
576 | |
599 | |
577 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
600 | EV_API_DECL unsigned int ev_backend (EV_P); /* backend in use by loop */ |
578 | |
601 | |
579 | void ev_now_update (EV_P); /* update event loop time */ |
602 | EV_API_DECL void ev_now_update (EV_P); /* update event loop time */ |
580 | |
603 | |
581 | #if EV_WALK_ENABLE |
604 | #if EV_WALK_ENABLE |
582 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
605 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
583 | /* callback on every such watcher. The callback might stop the watcher, */ |
606 | /* callback on every such watcher. The callback might stop the watcher, */ |
584 | /* but do nothing else with the loop */ |
607 | /* but do nothing else with the loop */ |
585 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
608 | EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
586 | #endif |
609 | #endif |
587 | |
610 | |
588 | #endif /* prototypes */ |
611 | #endif /* prototypes */ |
589 | |
612 | |
590 | /* ev_run flags values */ |
613 | /* ev_run flags values */ |
… | |
… | |
599 | EVBREAK_ONE = 1, /* unloop once */ |
622 | EVBREAK_ONE = 1, /* unloop once */ |
600 | EVBREAK_ALL = 2 /* unloop all loops */ |
623 | EVBREAK_ALL = 2 /* unloop all loops */ |
601 | }; |
624 | }; |
602 | |
625 | |
603 | #if EV_PROTOTYPES |
626 | #if EV_PROTOTYPES |
604 | void ev_run (EV_P_ int flags EV_DEFARG (0)); |
627 | EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); |
605 | void ev_break (EV_P_ int how EV_DEFARG (EVBREAK_ONE)); /* break out of the loop */ |
628 | EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)); /* break out of the loop */ |
606 | |
629 | |
607 | /* |
630 | /* |
608 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
631 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
609 | * keeps one reference. if you have a long-running watcher you never unregister that |
632 | * keeps one reference. if you have a long-running watcher you never unregister that |
610 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
633 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
611 | */ |
634 | */ |
612 | void ev_ref (EV_P); |
635 | EV_API_DECL void ev_ref (EV_P); |
613 | void ev_unref (EV_P); |
636 | EV_API_DECL void ev_unref (EV_P); |
614 | |
637 | |
615 | /* |
638 | /* |
616 | * convenience function, wait for a single event, without registering an event watcher |
639 | * convenience function, wait for a single event, without registering an event watcher |
617 | * if timeout is < 0, do wait indefinitely |
640 | * if timeout is < 0, do wait indefinitely |
618 | */ |
641 | */ |
619 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
642 | EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
620 | |
643 | |
621 | # if EV_FEATURE_API |
644 | # if EV_FEATURE_API |
622 | unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
645 | EV_API_DECL unsigned int ev_iteration (EV_P); /* number of loop iterations */ |
623 | unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
646 | EV_API_DECL unsigned int ev_depth (EV_P); /* #ev_loop enters - #ev_loop leaves */ |
624 | void ev_verify (EV_P); /* abort if loop data corrupted */ |
647 | EV_API_DECL void ev_verify (EV_P); /* abort if loop data corrupted */ |
625 | |
648 | |
626 | void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
649 | EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval); /* sleep at least this time, default 0 */ |
627 | void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval); /* 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 */ |
628 | |
651 | |
629 | /* advanced stuff for threading etc. support, see docs */ |
652 | /* advanced stuff for threading etc. support, see docs */ |
630 | void ev_set_userdata (EV_P_ void *data); |
653 | EV_API_DECL void ev_set_userdata (EV_P_ void *data); |
631 | void *ev_userdata (EV_P); |
654 | EV_API_DECL void *ev_userdata (EV_P); |
632 | void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
655 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)); |
633 | void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
656 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)); |
634 | |
657 | |
635 | unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
658 | EV_API_DECL unsigned int ev_pending_count (EV_P); /* number of pending events, if any */ |
636 | void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
659 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
637 | |
660 | |
638 | /* |
661 | /* |
639 | * stop/start the timer handling. |
662 | * stop/start the timer handling. |
640 | */ |
663 | */ |
641 | void ev_suspend (EV_P); |
664 | EV_API_DECL void ev_suspend (EV_P); |
642 | void ev_resume (EV_P); |
665 | EV_API_DECL void ev_resume (EV_P); |
643 | #endif |
666 | #endif |
644 | |
667 | |
645 | #endif |
668 | #endif |
646 | |
669 | |
647 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
670 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
… | |
… | |
662 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
685 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
663 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
686 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
664 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
687 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
665 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
688 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
666 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
689 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
|
|
690 | #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ |
667 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
691 | #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ |
668 | |
692 | |
669 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
693 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
670 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
694 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
671 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
695 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
… | |
… | |
675 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
699 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
676 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
700 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
677 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
701 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
678 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
702 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
679 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
703 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
|
|
704 | #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) |
680 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
705 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
681 | |
706 | |
682 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
707 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
683 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
708 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
684 | |
709 | |
… | |
… | |
700 | |
725 | |
701 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
726 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
702 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
727 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
703 | #if EV_PROTOTYPES |
728 | #if EV_PROTOTYPES |
704 | |
729 | |
705 | /* feeds an event into a watcher as if the event actually occured */ |
730 | /* feeds an event into a watcher as if the event actually occurred */ |
706 | /* accepts any ev_watcher type */ |
731 | /* accepts any ev_watcher type */ |
707 | void ev_feed_event (EV_P_ void *w, int revents); |
732 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents); |
708 | void ev_feed_fd_event (EV_P_ int fd, int revents); |
733 | EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents); |
709 | #if EV_SIGNAL_ENABLE |
734 | #if EV_SIGNAL_ENABLE |
|
|
735 | EV_API_DECL void ev_feed_signal (int signum); |
710 | void ev_feed_signal_event (EV_P_ int signum); |
736 | EV_API_DECL void ev_feed_signal_event (EV_P_ int signum); |
711 | #endif |
737 | #endif |
712 | void ev_invoke (EV_P_ void *w, int revents); |
738 | EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); |
713 | int ev_clear_pending (EV_P_ void *w); |
739 | EV_API_DECL int ev_clear_pending (EV_P_ void *w); |
714 | |
740 | |
715 | void ev_io_start (EV_P_ ev_io *w); |
741 | EV_API_DECL void ev_io_start (EV_P_ ev_io *w); |
716 | void ev_io_stop (EV_P_ ev_io *w); |
742 | EV_API_DECL void ev_io_stop (EV_P_ ev_io *w); |
717 | |
743 | |
718 | void ev_timer_start (EV_P_ ev_timer *w); |
744 | EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w); |
719 | void ev_timer_stop (EV_P_ ev_timer *w); |
745 | EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w); |
720 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
746 | /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ |
721 | void ev_timer_again (EV_P_ ev_timer *w); |
747 | EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w); |
722 | /* return remaining time */ |
748 | /* return remaining time */ |
723 | ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
749 | EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w); |
724 | |
750 | |
725 | #if EV_PERIODIC_ENABLE |
751 | #if EV_PERIODIC_ENABLE |
726 | void ev_periodic_start (EV_P_ ev_periodic *w); |
752 | EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w); |
727 | void ev_periodic_stop (EV_P_ ev_periodic *w); |
753 | EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w); |
728 | void ev_periodic_again (EV_P_ ev_periodic *w); |
754 | EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w); |
729 | #endif |
755 | #endif |
730 | |
756 | |
731 | /* only supported in the default loop */ |
757 | /* only supported in the default loop */ |
732 | #if EV_SIGNAL_ENABLE |
758 | #if EV_SIGNAL_ENABLE |
733 | void ev_signal_start (EV_P_ ev_signal *w); |
759 | EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w); |
734 | void ev_signal_stop (EV_P_ ev_signal *w); |
760 | EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w); |
735 | #endif |
761 | #endif |
736 | |
762 | |
737 | /* only supported in the default loop */ |
763 | /* only supported in the default loop */ |
738 | # if EV_CHILD_ENABLE |
764 | # if EV_CHILD_ENABLE |
739 | void ev_child_start (EV_P_ ev_child *w); |
765 | EV_API_DECL void ev_child_start (EV_P_ ev_child *w); |
740 | void ev_child_stop (EV_P_ ev_child *w); |
766 | EV_API_DECL void ev_child_stop (EV_P_ ev_child *w); |
741 | # endif |
767 | # endif |
742 | |
768 | |
743 | # if EV_STAT_ENABLE |
769 | # if EV_STAT_ENABLE |
744 | void ev_stat_start (EV_P_ ev_stat *w); |
770 | EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w); |
745 | void ev_stat_stop (EV_P_ ev_stat *w); |
771 | EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w); |
746 | void ev_stat_stat (EV_P_ ev_stat *w); |
772 | EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w); |
747 | # endif |
773 | # endif |
748 | |
774 | |
749 | # if EV_IDLE_ENABLE |
775 | # if EV_IDLE_ENABLE |
750 | void ev_idle_start (EV_P_ ev_idle *w); |
776 | EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w); |
751 | void ev_idle_stop (EV_P_ ev_idle *w); |
777 | EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w); |
752 | # endif |
778 | # endif |
753 | |
779 | |
754 | #if EV_PREPARE_ENABLE |
780 | #if EV_PREPARE_ENABLE |
755 | void ev_prepare_start (EV_P_ ev_prepare *w); |
781 | EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w); |
756 | void ev_prepare_stop (EV_P_ ev_prepare *w); |
782 | EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w); |
757 | #endif |
783 | #endif |
758 | |
784 | |
759 | #if EV_CHECK_ENABLE |
785 | #if EV_CHECK_ENABLE |
760 | void ev_check_start (EV_P_ ev_check *w); |
786 | EV_API_DECL void ev_check_start (EV_P_ ev_check *w); |
761 | void ev_check_stop (EV_P_ ev_check *w); |
787 | EV_API_DECL void ev_check_stop (EV_P_ ev_check *w); |
762 | #endif |
788 | #endif |
763 | |
789 | |
764 | # if EV_FORK_ENABLE |
790 | # if EV_FORK_ENABLE |
765 | void ev_fork_start (EV_P_ ev_fork *w); |
791 | EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w); |
766 | void ev_fork_stop (EV_P_ ev_fork *w); |
792 | EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w); |
|
|
793 | # endif |
|
|
794 | |
|
|
795 | # if EV_CLEANUP_ENABLE |
|
|
796 | EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w); |
|
|
797 | EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w); |
767 | # endif |
798 | # endif |
768 | |
799 | |
769 | # if EV_EMBED_ENABLE |
800 | # if EV_EMBED_ENABLE |
770 | /* only supported when loop to be embedded is in fact embeddable */ |
801 | /* only supported when loop to be embedded is in fact embeddable */ |
771 | void ev_embed_start (EV_P_ ev_embed *w); |
802 | EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w); |
772 | void ev_embed_stop (EV_P_ ev_embed *w); |
803 | EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w); |
773 | void ev_embed_sweep (EV_P_ ev_embed *w); |
804 | EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w); |
774 | # endif |
805 | # endif |
775 | |
806 | |
776 | # if EV_ASYNC_ENABLE |
807 | # if EV_ASYNC_ENABLE |
777 | void ev_async_start (EV_P_ ev_async *w); |
808 | EV_API_DECL void ev_async_start (EV_P_ ev_async *w); |
778 | void ev_async_stop (EV_P_ ev_async *w); |
809 | EV_API_DECL void ev_async_stop (EV_P_ ev_async *w); |
779 | void ev_async_send (EV_P_ ev_async *w); |
810 | EV_API_DECL void ev_async_send (EV_P_ ev_async *w); |
780 | # endif |
811 | # endif |
781 | |
812 | |
782 | #if EV_COMPAT3 |
813 | #if EV_COMPAT3 |
783 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
814 | #define EVLOOP_NONBLOCK EVRUN_NOWAIT |
784 | #define EVLOOP_ONESHOT EVRUN_ONCE |
815 | #define EVLOOP_ONESHOT EVRUN_ONCE |
… | |
… | |
786 | #define EVUNLOOP_ONE EVBREAK_ONE |
817 | #define EVUNLOOP_ONE EVBREAK_ONE |
787 | #define EVUNLOOP_ALL EVBREAK_ALL |
818 | #define EVUNLOOP_ALL EVBREAK_ALL |
788 | #if EV_PROTOTYPES |
819 | #if EV_PROTOTYPES |
789 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
820 | EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } |
790 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
821 | EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } |
|
|
822 | EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } |
|
|
823 | EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } |
791 | #if EV_FEATURE_API |
824 | #if EV_FEATURE_API |
792 | EV_INLINE void ev_loop_count (EV_P) { ev_iteration (EV_A); } |
825 | EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } |
793 | EV_INLINE void ev_loop_depth (EV_P) { ev_depth (EV_A); } |
826 | EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } |
794 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
827 | EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } |
795 | #endif |
828 | #endif |
796 | #endif |
829 | #endif |
797 | #else |
830 | #else |
798 | typedef struct ev_loop ev_loop; |
831 | typedef struct ev_loop ev_loop; |
799 | #endif |
832 | #endif |
800 | |
833 | |
801 | #endif |
834 | #endif |
802 | |
835 | |
803 | #ifdef __cplusplus |
836 | EV_CPP(}) |
804 | } |
|
|
805 | #endif |
|
|
806 | |
837 | |
807 | #endif |
838 | #endif |
808 | |
839 | |