1 | /* |
1 | /* |
2 | * libev native API header |
2 | * libev native API header |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 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 | * |
… | |
… | |
76 | |
76 | |
77 | #ifndef EV_EMBED_ENABLE |
77 | #ifndef EV_EMBED_ENABLE |
78 | # define EV_EMBED_ENABLE 1 |
78 | # define EV_EMBED_ENABLE 1 |
79 | #endif |
79 | #endif |
80 | |
80 | |
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81 | #ifndef EV_ASYNC_ENABLE |
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82 | # define EV_ASYNC_ENABLE 1 |
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83 | #endif |
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84 | |
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85 | #ifndef EV_WALK_ENABLE |
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86 | # define EV_WALK_ENABLE 0 /* not yet */ |
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87 | #endif |
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88 | |
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89 | #ifndef EV_ATOMIC_T |
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90 | # include <signal.h> |
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91 | # define EV_ATOMIC_T sig_atomic_t volatile |
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92 | #endif |
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93 | |
81 | /*****************************************************************************/ |
94 | /*****************************************************************************/ |
82 | |
95 | |
83 | #if EV_STAT_ENABLE |
96 | #if EV_STAT_ENABLE |
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97 | # ifdef _WIN32 |
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98 | # include <time.h> |
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99 | # include <sys/types.h> |
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100 | # endif |
84 | # include <sys/stat.h> |
101 | # include <sys/stat.h> |
85 | #endif |
102 | #endif |
86 | |
103 | |
87 | /* support multiple event loops? */ |
104 | /* support multiple event loops? */ |
88 | #if EV_MULTIPLICITY |
105 | #if EV_MULTIPLICITY |
89 | struct ev_loop; |
106 | struct ev_loop; |
90 | # define EV_P struct ev_loop *loop |
107 | # define EV_P struct ev_loop *loop |
91 | # define EV_P_ EV_P, |
108 | # define EV_P_ EV_P, |
92 | # define EV_A loop |
109 | # define EV_A loop |
93 | # define EV_A_ EV_A, |
110 | # define EV_A_ EV_A, |
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111 | # define EV_DEFAULT_UC ev_default_loop_uc () |
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112 | # define EV_DEFAULT_UC_ EV_DEFAULT_UC, |
94 | # define EV_DEFAULT ev_default_loop (0) |
113 | # define EV_DEFAULT ev_default_loop (0) |
95 | # define EV_DEFAULT_ EV_DEFAULT, |
114 | # define EV_DEFAULT_ EV_DEFAULT, |
96 | #else |
115 | #else |
97 | # define EV_P void |
116 | # define EV_P void |
98 | # define EV_P_ |
117 | # define EV_P_ |
99 | # define EV_A |
118 | # define EV_A |
100 | # define EV_A_ |
119 | # define EV_A_ |
101 | # define EV_DEFAULT |
120 | # define EV_DEFAULT |
102 | # define EV_DEFAULT_ |
121 | # define EV_DEFAULT_ |
103 | |
122 | # define EV_DEFAULT_UC |
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123 | # define EV_DEFAULT_UC_ |
104 | # undef EV_EMBED_ENABLE |
124 | # undef EV_EMBED_ENABLE |
105 | #endif |
125 | #endif |
106 | |
126 | |
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127 | #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 |
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128 | # define EV_INLINE static inline |
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129 | #else |
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130 | # define EV_INLINE static |
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131 | #endif |
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132 | |
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133 | /*****************************************************************************/ |
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134 | |
107 | /* eventmask, revents, events... */ |
135 | /* eventmask, revents, events... */ |
108 | #define EV_UNDEF -1L /* guaranteed to be invalid */ |
136 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
109 | #define EV_NONE 0x00L /* no events */ |
137 | #define EV_NONE 0x00 /* no events */ |
110 | #define EV_READ 0x01L /* ev_io detected read will not block */ |
138 | #define EV_READ 0x01 /* ev_io detected read will not block */ |
111 | #define EV_WRITE 0x02L /* ev_io detected write will not block */ |
139 | #define EV_WRITE 0x02 /* ev_io detected write will not block */ |
112 | #define EV_IOFDSET 0x80L /* internal use only */ |
140 | #define EV__IOFDSET 0x80 /* internal use only */ |
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141 | #define EV_IO EV_READ /* alias for type-detection */ |
113 | #define EV_TIMEOUT 0x00000100L /* timer timed out */ |
142 | #define EV_TIMEOUT 0x00000100 /* timer timed out */ |
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143 | #define EV_TIMER EV_TIMEOUT /* alias for type-detection */ |
114 | #define EV_PERIODIC 0x00000200L /* periodic timer timed out */ |
144 | #define EV_PERIODIC 0x00000200 /* periodic timer timed out */ |
115 | #define EV_SIGNAL 0x00000400L /* signal was received */ |
145 | #define EV_SIGNAL 0x00000400 /* signal was received */ |
116 | #define EV_CHILD 0x00000800L /* child/pid had status change */ |
146 | #define EV_CHILD 0x00000800 /* child/pid had status change */ |
117 | #define EV_STAT 0x00001000L /* stat data changed */ |
147 | #define EV_STAT 0x00001000 /* stat data changed */ |
118 | #define EV_IDLE 0x00002000L /* event loop is idling */ |
148 | #define EV_IDLE 0x00002000 /* event loop is idling */ |
119 | #define EV_PREPARE 0x00004000L /* event loop about to poll */ |
149 | #define EV_PREPARE 0x00004000 /* event loop about to poll */ |
120 | #define EV_CHECK 0x00008000L /* event loop finished poll */ |
150 | #define EV_CHECK 0x00008000 /* event loop finished poll */ |
121 | #define EV_EMBED 0x00010000L /* embedded event loop needs sweep */ |
151 | #define EV_EMBED 0x00010000 /* embedded event loop needs sweep */ |
122 | #define EV_FORK 0x00020000L /* event loop resumed in child */ |
152 | #define EV_FORK 0x00020000 /* event loop resumed in child */ |
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153 | #define EV_ASYNC 0x00040000 /* async intra-loop signal */ |
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154 | #define EV_CUSTOM 0x01000000 /* for use by user code */ |
123 | #define EV_ERROR 0x80000000L /* sent when an error occurs */ |
155 | #define EV_ERROR 0x80000000 /* sent when an error occurs */ |
124 | |
156 | |
125 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
157 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
126 | #ifndef EV_COMMON |
158 | #ifndef EV_COMMON |
127 | # define EV_COMMON void *data; |
159 | # define EV_COMMON void *data; |
128 | #endif |
160 | #endif |
129 | #ifndef EV_PROTOTYPES |
161 | #ifndef EV_PROTOTYPES |
130 | # define EV_PROTOTYPES 1 |
162 | # define EV_PROTOTYPES 1 |
131 | #endif |
163 | #endif |
132 | |
164 | |
133 | #define EV_VERSION_MAJOR 2 |
165 | #define EV_VERSION_MAJOR 3 |
134 | #define EV_VERSION_MINOR 0 |
166 | #define EV_VERSION_MINOR 0 |
135 | |
167 | |
136 | #ifndef EV_CB_DECLARE |
168 | #ifndef EV_CB_DECLARE |
137 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
169 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
138 | #endif |
170 | #endif |
… | |
… | |
140 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
172 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
141 | #endif |
173 | #endif |
142 | |
174 | |
143 | /* |
175 | /* |
144 | * struct member types: |
176 | * struct member types: |
145 | * private: you can look at them, but not change them, and they might not mean anything to you. |
177 | * private: you may look at them, but not change them, |
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178 | * and they might not mean anything to you. |
146 | * ro: can be read anytime, but only changed when the watcher isn't active |
179 | * ro: can be read anytime, but only changed when the watcher isn't active. |
147 | * rw: can be read and modified anytime, even when the watcher is active |
180 | * rw: can be read and modified anytime, even when the watcher is active. |
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181 | * |
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182 | * some internal details that might be helpful for debugging: |
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183 | * |
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184 | * active is either 0, which means the watcher is not active, |
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185 | * or the array index of the watcher (periodics, timers) |
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186 | * or the array index + 1 (most other watchers) |
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187 | * or simply 1 for watchers that aren't in some array. |
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188 | * pending is either 0, in which case the watcher isn't, |
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189 | * or the array index + 1 in the pendings array. |
148 | */ |
190 | */ |
149 | |
191 | |
150 | /* shared by all watchers */ |
192 | /* shared by all watchers */ |
151 | #define EV_WATCHER(type) \ |
193 | #define EV_WATCHER(type) \ |
152 | int active; /* private */ \ |
194 | int active; /* private */ \ |
… | |
… | |
225 | /* does not support priorities */ |
267 | /* does not support priorities */ |
226 | typedef struct ev_child |
268 | typedef struct ev_child |
227 | { |
269 | { |
228 | EV_WATCHER_LIST (ev_child) |
270 | EV_WATCHER_LIST (ev_child) |
229 | |
271 | |
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272 | int flags; /* private */ |
230 | int pid; /* ro */ |
273 | int pid; /* ro */ |
231 | int rpid; /* rw, holds the received pid */ |
274 | int rpid; /* rw, holds the received pid */ |
232 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
275 | int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ |
233 | } ev_child; |
276 | } ev_child; |
234 | |
277 | |
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300 | ev_prepare prepare; /* private */ |
343 | ev_prepare prepare; /* private */ |
301 | ev_check check; /* unused */ |
344 | ev_check check; /* unused */ |
302 | ev_timer timer; /* unused */ |
345 | ev_timer timer; /* unused */ |
303 | ev_periodic periodic; /* unused */ |
346 | ev_periodic periodic; /* unused */ |
304 | ev_idle idle; /* unused */ |
347 | ev_idle idle; /* unused */ |
305 | ev_fork fork; /* unused */ |
348 | ev_fork fork; /* private */ |
306 | } ev_embed; |
349 | } ev_embed; |
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350 | #endif |
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351 | |
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352 | #if EV_ASYNC_ENABLE |
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353 | /* invoked when somebody calls ev_async_send on the watcher */ |
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354 | /* revent EV_ASYNC */ |
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355 | typedef struct ev_async |
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356 | { |
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357 | EV_WATCHER (ev_async) |
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358 | |
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359 | EV_ATOMIC_T sent; /* private */ |
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360 | } ev_async; |
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361 | |
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362 | # define ev_async_pending(w) ((w)->sent + 0) |
307 | #endif |
363 | #endif |
308 | |
364 | |
309 | /* the presence of this union forces similar struct layout */ |
365 | /* the presence of this union forces similar struct layout */ |
310 | union ev_any_watcher |
366 | union ev_any_watcher |
311 | { |
367 | { |
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329 | struct ev_fork fork; |
385 | struct ev_fork fork; |
330 | #endif |
386 | #endif |
331 | #if EV_EMBED_ENABLE |
387 | #if EV_EMBED_ENABLE |
332 | struct ev_embed embed; |
388 | struct ev_embed embed; |
333 | #endif |
389 | #endif |
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390 | #if EV_ASYNC_ENABLE |
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391 | struct ev_async async; |
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392 | #endif |
334 | }; |
393 | }; |
335 | |
394 | |
336 | /* bits for ev_default_loop and ev_loop_new */ |
395 | /* bits for ev_default_loop and ev_loop_new */ |
337 | /* the default */ |
396 | /* the default */ |
338 | #define EVFLAG_AUTO 0x00000000UL /* not quite a mask */ |
397 | #define EVFLAG_AUTO 0x00000000U /* not quite a mask */ |
339 | /* flag bits */ |
398 | /* flag bits */ |
340 | #define EVFLAG_NOENV 0x01000000UL /* do NOT consult environment */ |
399 | #define EVFLAG_NOENV 0x01000000U /* do NOT consult environment */ |
341 | #define EVFLAG_FORKCHECK 0x02000000UL /* check for a fork in each iteration */ |
400 | #define EVFLAG_FORKCHECK 0x02000000U /* check for a fork in each iteration */ |
342 | /* method bits to be ored together */ |
401 | /* method bits to be ored together */ |
343 | #define EVBACKEND_SELECT 0x00000001UL /* about anywhere */ |
402 | #define EVBACKEND_SELECT 0x00000001U /* about anywhere */ |
344 | #define EVBACKEND_POLL 0x00000002UL /* !win */ |
403 | #define EVBACKEND_POLL 0x00000002U /* !win */ |
345 | #define EVBACKEND_EPOLL 0x00000004UL /* linux */ |
404 | #define EVBACKEND_EPOLL 0x00000004U /* linux */ |
346 | #define EVBACKEND_KQUEUE 0x00000008UL /* bsd */ |
405 | #define EVBACKEND_KQUEUE 0x00000008U /* bsd */ |
347 | #define EVBACKEND_DEVPOLL 0x00000010UL /* solaris 8 */ /* NYI */ |
406 | #define EVBACKEND_DEVPOLL 0x00000010U /* solaris 8 */ /* NYI */ |
348 | #define EVBACKEND_PORT 0x00000020UL /* solaris 10 */ |
407 | #define EVBACKEND_PORT 0x00000020U /* solaris 10 */ |
349 | |
408 | |
350 | #if EV_PROTOTYPES |
409 | #if EV_PROTOTYPES |
351 | int ev_version_major (void); |
410 | int ev_version_major (void); |
352 | int ev_version_minor (void); |
411 | int ev_version_minor (void); |
353 | |
412 | |
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370 | * retryable syscall error |
429 | * retryable syscall error |
371 | * (such as failed select, poll, epoll_wait) |
430 | * (such as failed select, poll, epoll_wait) |
372 | */ |
431 | */ |
373 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
432 | void ev_set_syserr_cb (void (*cb)(const char *msg)); |
374 | |
433 | |
375 | # if EV_MULTIPLICITY |
434 | #if EV_MULTIPLICITY |
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435 | EV_INLINE struct ev_loop * |
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436 | ev_default_loop_uc (void) |
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437 | { |
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438 | extern struct ev_loop *ev_default_loop_ptr; |
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439 | |
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440 | return ev_default_loop_ptr; |
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441 | } |
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442 | |
376 | /* the default loop is the only one that handles signals and child watchers */ |
443 | /* the default loop is the only one that handles signals and child watchers */ |
377 | /* you can call this as often as you like */ |
444 | /* you can call this as often as you like */ |
378 | static struct ev_loop * |
445 | EV_INLINE struct ev_loop * |
379 | ev_default_loop (unsigned int flags) |
446 | ev_default_loop (unsigned int flags) |
380 | { |
447 | { |
381 | extern struct ev_loop *ev_default_loop_ptr; |
448 | struct ev_loop *loop = ev_default_loop_uc (); |
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449 | |
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450 | if (!loop) |
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451 | { |
382 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
452 | extern struct ev_loop *ev_default_loop_init (unsigned int flags); |
383 | |
453 | |
384 | if (!ev_default_loop_ptr) |
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385 | ev_default_loop_init (flags); |
454 | loop = ev_default_loop_init (flags); |
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455 | } |
386 | |
456 | |
387 | return ev_default_loop_ptr; |
457 | return loop; |
388 | } |
458 | } |
389 | |
459 | |
390 | /* create and destroy alternative loops that don't handle signals */ |
460 | /* create and destroy alternative loops that don't handle signals */ |
391 | struct ev_loop *ev_loop_new (unsigned int flags); |
461 | struct ev_loop *ev_loop_new (unsigned int flags); |
392 | void ev_loop_destroy (EV_P); |
462 | void ev_loop_destroy (EV_P); |
393 | void ev_loop_fork (EV_P); |
463 | void ev_loop_fork (EV_P); |
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464 | void ev_loop_verify (EV_P); |
394 | |
465 | |
395 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
466 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
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467 | void ev_now_update (EV_P); |
396 | |
468 | |
397 | # else |
469 | #else |
398 | |
470 | |
399 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
471 | int ev_default_loop (unsigned int flags); /* returns true when successful */ |
400 | |
472 | |
401 | static ev_tstamp |
473 | EV_INLINE ev_tstamp |
402 | ev_now (void) |
474 | ev_now (void) |
403 | { |
475 | { |
404 | extern ev_tstamp ev_rt_now; |
476 | extern ev_tstamp ev_rt_now; |
405 | |
477 | |
406 | return ev_rt_now; |
478 | return ev_rt_now; |
407 | } |
479 | } |
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480 | #endif /* multiplicity */ |
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481 | |
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482 | EV_INLINE int |
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483 | ev_is_default_loop (EV_P) |
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484 | { |
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485 | #if EV_MULTIPLICITY |
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486 | extern struct ev_loop *ev_default_loop_ptr; |
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487 | |
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488 | return !!(EV_A == ev_default_loop_ptr); |
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489 | #else |
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490 | return 1; |
408 | # endif |
491 | #endif |
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492 | } |
409 | |
493 | |
410 | void ev_default_destroy (void); /* destroy the default loop */ |
494 | void ev_default_destroy (void); /* destroy the default loop */ |
411 | /* this needs to be called after fork, to duplicate the default loop */ |
495 | /* this needs to be called after fork, to duplicate the default loop */ |
412 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
496 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
413 | /* you can call it in either the parent or the child */ |
497 | /* you can call it in either the parent or the child */ |
414 | /* you can actually call it at any time, anywhere :) */ |
498 | /* you can actually call it at any time, anywhere :) */ |
415 | void ev_default_fork (void); |
499 | void ev_default_fork (void); |
416 | |
500 | |
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501 | #if EV_WALK_ENABLE |
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502 | /* walk (almost) all watchers in the loop of a given type, invoking the */ |
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503 | /* callback on every such watcher. The callback might stop the watcher, */ |
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504 | /* but do nothing else with the loop */ |
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505 | void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)); |
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506 | #endif |
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507 | |
417 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
508 | unsigned int ev_backend (EV_P); /* backend in use by loop */ |
418 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
509 | unsigned int ev_loop_count (EV_P); /* number of loop iterations */ |
419 | #endif |
510 | #endif /* prototypes */ |
420 | |
511 | |
421 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
512 | #define EVLOOP_NONBLOCK 1 /* do not block/wait */ |
422 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
513 | #define EVLOOP_ONESHOT 2 /* block *once* only */ |
423 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
514 | #define EVUNLOOP_CANCEL 0 /* undo unloop */ |
424 | #define EVUNLOOP_ONE 1 /* unloop once */ |
515 | #define EVUNLOOP_ONE 1 /* unloop once */ |
… | |
… | |
437 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
528 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
438 | */ |
529 | */ |
439 | void ev_ref (EV_P); |
530 | void ev_ref (EV_P); |
440 | void ev_unref (EV_P); |
531 | void ev_unref (EV_P); |
441 | |
532 | |
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533 | /* |
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534 | * stop/start the timer handling. |
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535 | */ |
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536 | void ev_suspend (EV_P); |
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537 | void ev_resume (EV_P); |
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538 | |
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539 | /* |
442 | /* convinience function, wait for a single event, without registering an event watcher */ |
540 | * convenience function, wait for a single event, without registering an event watcher |
443 | /* if timeout is < 0, do wait indefinitely */ |
541 | * if timeout is < 0, do wait indefinitely |
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542 | */ |
444 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
543 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
445 | #endif |
544 | #endif |
446 | |
545 | |
447 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
546 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
448 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
547 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
… | |
… | |
451 | ((ev_watcher *)(void *)(ev))->pending = \ |
550 | ((ev_watcher *)(void *)(ev))->pending = \ |
452 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
551 | ((ev_watcher *)(void *)(ev))->priority = 0; \ |
453 | ev_set_cb ((ev), cb_); \ |
552 | ev_set_cb ((ev), cb_); \ |
454 | } while (0) |
553 | } while (0) |
455 | |
554 | |
456 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV_IOFDSET; } while (0) |
555 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) |
457 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
556 | #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) |
458 | #define ev_periodic_set(ev,ofs_,ival_,res_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
557 | #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) |
459 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
558 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
460 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
559 | #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) |
461 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
560 | #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) |
462 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
561 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
463 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
562 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
464 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
563 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
465 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
564 | #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) |
466 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
565 | #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ |
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566 | #define ev_async_set(ev) do { (ev)->sent = 0; } while (0) |
467 | |
567 | |
468 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
568 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
469 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
569 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
470 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
570 | #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) |
471 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
571 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
472 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
572 | #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) |
473 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
573 | #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) |
474 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
574 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
475 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
575 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
476 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
576 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
477 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
577 | #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) |
478 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
578 | #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) |
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579 | #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) |
479 | |
580 | |
480 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
581 | #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
481 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
582 | #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
482 | |
583 | |
483 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
584 | #define ev_priority(ev) ((((ev_watcher *)(void *)(ev))->priority) + 0) |
484 | #define ev_cb(ev) (ev)->cb /* rw */ |
585 | #define ev_cb(ev) (ev)->cb /* rw */ |
485 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
586 | #define ev_set_priority(ev,pri) ((ev_watcher *)(void *)(ev))->priority = (pri) |
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587 | |
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588 | #define ev_periodic_at(ev) (((ev_watcher_time *)(ev))->at + 0.) |
486 | |
589 | |
487 | #ifndef ev_set_cb |
590 | #ifndef ev_set_cb |
488 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
591 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
489 | #endif |
592 | #endif |
490 | |
593 | |
491 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
594 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
492 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
595 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
493 | #if EV_PROTOTYPES |
596 | #if EV_PROTOTYPES |
… | |
… | |
549 | void ev_embed_start (EV_P_ ev_embed *w); |
652 | void ev_embed_start (EV_P_ ev_embed *w); |
550 | void ev_embed_stop (EV_P_ ev_embed *w); |
653 | void ev_embed_stop (EV_P_ ev_embed *w); |
551 | void ev_embed_sweep (EV_P_ ev_embed *w); |
654 | void ev_embed_sweep (EV_P_ ev_embed *w); |
552 | # endif |
655 | # endif |
553 | |
656 | |
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657 | # if EV_ASYNC_ENABLE |
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658 | void ev_async_start (EV_P_ ev_async *w); |
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659 | void ev_async_stop (EV_P_ ev_async *w); |
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660 | void ev_async_send (EV_P_ ev_async *w); |
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661 | # endif |
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662 | |
554 | #endif |
663 | #endif |
555 | |
664 | |
556 | #ifdef __cplusplus |
665 | #ifdef __cplusplus |
557 | } |
666 | } |
558 | #endif |
667 | #endif |