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86 | |
86 | |
87 | #define EV_VERSION_MAJOR 1 |
87 | #define EV_VERSION_MAJOR 1 |
88 | #define EV_VERSION_MINOR 1 |
88 | #define EV_VERSION_MINOR 1 |
89 | |
89 | |
90 | #ifndef EV_CB_DECLARE |
90 | #ifndef EV_CB_DECLARE |
91 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents) |
91 | # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); |
92 | #endif |
92 | #endif |
93 | #ifndef EV_CB_INVOKE |
93 | #ifndef EV_CB_INVOKE |
94 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
94 | # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) |
95 | #endif |
95 | #endif |
96 | |
96 | |
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210 | /* the presence of this union forces similar struct layout */ |
210 | /* the presence of this union forces similar struct layout */ |
211 | union ev_any_watcher |
211 | union ev_any_watcher |
212 | { |
212 | { |
213 | struct ev_watcher w; |
213 | struct ev_watcher w; |
214 | struct ev_watcher_list wl; |
214 | struct ev_watcher_list wl; |
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215 | |
215 | struct ev_io io; |
216 | struct ev_io io; |
216 | struct ev_timer timer; |
217 | struct ev_timer timer; |
217 | struct ev_periodic periodic; |
218 | struct ev_periodic periodic; |
218 | struct ev_signal signal; |
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219 | struct ev_idle idle; |
219 | struct ev_idle idle; |
220 | struct ev_child child; |
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221 | struct ev_prepare prepare; |
220 | struct ev_prepare prepare; |
222 | struct ev_check check; |
221 | struct ev_check check; |
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222 | struct ev_signal signal; |
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223 | struct ev_child child; |
223 | }; |
224 | }; |
224 | |
225 | |
225 | #define EVMETHOD_AUTO 0 /* consults environment */ |
226 | #define EVMETHOD_AUTO 0 /* consults environment */ |
226 | #define EVMETHOD_SELECT 1 |
227 | #define EVMETHOD_SELECT 1 |
227 | #define EVMETHOD_POLL 2 |
228 | #define EVMETHOD_POLL 2 |
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259 | |
260 | |
260 | /* create and destroy alternative loops that don't handle signals */ |
261 | /* create and destroy alternative loops that don't handle signals */ |
261 | struct ev_loop *ev_loop_new (int methods); |
262 | struct ev_loop *ev_loop_new (int methods); |
262 | void ev_loop_destroy (EV_P); |
263 | void ev_loop_destroy (EV_P); |
263 | void ev_loop_fork (EV_P); |
264 | void ev_loop_fork (EV_P); |
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265 | |
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266 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
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267 | |
264 | # else |
268 | # else |
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269 | |
265 | int ev_default_loop (int methods); /* returns true when successful */ |
270 | int ev_default_loop (int methods); /* returns true when successful */ |
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271 | |
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272 | static ev_tstamp |
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273 | ev_now () |
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274 | { |
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275 | extern ev_rt_now; |
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276 | |
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277 | return ev_rt_now; |
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278 | } |
266 | # endif |
279 | # endif |
267 | |
280 | |
268 | void ev_default_destroy (void); /* destroy the default loop */ |
281 | void ev_default_destroy (void); /* destroy the default loop */ |
269 | /* this needs to be called after fork, to duplicate the default loop */ |
282 | /* this needs to be called after fork, to duplicate the default loop */ |
270 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
283 | /* if you create alternative loops you have to call ev_loop_fork on them */ |
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282 | |
295 | |
283 | #if EV_PROTOTYPES |
296 | #if EV_PROTOTYPES |
284 | void ev_loop (EV_P_ int flags); |
297 | void ev_loop (EV_P_ int flags); |
285 | void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
298 | void ev_unloop (EV_P_ int how); /* set to 1 to break out of event loop, set to 2 to break out of all event loops */ |
286 | |
299 | |
287 | ev_tstamp ev_now (EV_P); /* time w.r.t. timers and the eventloop, updated after each poll */ |
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288 | |
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289 | /* |
300 | /* |
290 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
301 | * ref/unref can be used to add or remove a refcount on the mainloop. every watcher |
291 | * keeps one reference. if you have a long-runing watcher you never unregister that |
302 | * keeps one reference. if you have a long-runing watcher you never unregister that |
292 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
303 | * should not keep ev_loop from running, unref() after starting, and ref() before stopping. |
293 | */ |
304 | */ |
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298 | /* if timeout is < 0, do wait indefinitely */ |
309 | /* if timeout is < 0, do wait indefinitely */ |
299 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
310 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
300 | #endif |
311 | #endif |
301 | |
312 | |
302 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
313 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
303 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
314 | /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
304 | #define ev_watcher_init(ev,cb_) do { \ |
315 | #define ev_init(ev,cb_) do { \ |
305 | ((struct ev_watcher *)(void *)(ev))->active = \ |
316 | ((struct ev_watcher *)(void *)(ev))->active = \ |
306 | ((struct ev_watcher *)(void *)(ev))->pending = \ |
317 | ((struct ev_watcher *)(void *)(ev))->pending = \ |
307 | ((struct ev_watcher *)(void *)(ev))->priority = 0; \ |
318 | ((struct ev_watcher *)(void *)(ev))->priority = 0; \ |
308 | (ev)->cb = (cb_); \ |
319 | ev_set_cb ((ev), cb_); \ |
309 | } while (0) |
320 | } while (0) |
310 | |
321 | |
311 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
322 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
312 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
323 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
313 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
324 | #define ev_periodic_set(ev,at_,ival_,res_) do { (ev)->at = (at_); (ev)->interval = (ival_); (ev)->reschedule_cb= (res_); } while (0) |
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315 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
326 | #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ |
316 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
327 | #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ |
317 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
328 | #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ |
318 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
329 | #define ev_child_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) |
319 | |
330 | |
320 | #define ev_io_init(ev,cb,fd,events) do { ev_watcher_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
331 | #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) |
321 | #define ev_timer_init(ev,cb,after,repeat) do { ev_watcher_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
332 | #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) |
322 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_watcher_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
333 | #define ev_periodic_init(ev,cb,at,ival,res) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(at),(ival),(res)); } while (0) |
323 | #define ev_signal_init(ev,cb,signum) do { ev_watcher_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
334 | #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) |
324 | #define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
335 | #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
325 | #define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
336 | #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
326 | #define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
337 | #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
327 | #define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
338 | #define ev_child_init(ev,cb,pid) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
328 | |
339 | |
329 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
340 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
330 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
341 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ |
331 | |
342 | |
332 | #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ |
343 | #define ev_priority(ev) ((struct ev_watcher *)(void *)(ev))->priority /* rw */ |
333 | #define ev_cb(ev) (ev)->cb /* rw */ |
344 | #define ev_cb(ev) (ev)->cb /* rw */ |
334 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
345 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
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346 | |
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347 | #ifndef ev_set_cb |
335 | #define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
348 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
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349 | #endif |
336 | |
350 | |
337 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
351 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
338 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
352 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
339 | #if EV_PROTOTYPES |
353 | #if EV_PROTOTYPES |
340 | |
354 | |