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96 | |
96 | |
97 | /* shared by all watchers */ |
97 | /* shared by all watchers */ |
98 | #define EV_WATCHER(type) \ |
98 | #define EV_WATCHER(type) \ |
99 | int active; /* private */ \ |
99 | int active; /* private */ \ |
100 | int pending; /* private */ \ |
100 | int pending; /* private */ \ |
101 | int priority; /* ro */ \ |
101 | int priority; /* private */ \ |
102 | EV_COMMON; /* rw */ \ |
102 | EV_COMMON; /* rw */ \ |
103 | void (*cb)(EV_P_ struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
103 | void (*cb)(EV_P_ struct type *, int revents); /* private */ /* gets invoked with an eventmask */ |
104 | |
104 | |
105 | #define EV_WATCHER_LIST(type) \ |
105 | #define EV_WATCHER_LIST(type) \ |
106 | EV_WATCHER (type); \ |
106 | EV_WATCHER (type); \ |
107 | struct ev_watcher_list *next /* private */ |
107 | struct ev_watcher_list *next /* private */ |
108 | |
108 | |
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204 | #define EVMETHOD_POLL 2 |
204 | #define EVMETHOD_POLL 2 |
205 | #define EVMETHOD_EPOLL 4 |
205 | #define EVMETHOD_EPOLL 4 |
206 | #define EVMETHOD_KQUEUE 8 |
206 | #define EVMETHOD_KQUEUE 8 |
207 | #define EVMETHOD_DEVPOLL 16 /* NYI */ |
207 | #define EVMETHOD_DEVPOLL 16 /* NYI */ |
208 | #define EVMETHOD_PORT 32 /* NYI */ |
208 | #define EVMETHOD_PORT 32 /* NYI */ |
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209 | #define EVMETHOD_WIN32 64 /* NYI */ |
209 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
210 | #define EVMETHOD_ANY ~0 /* any method, do not consult env */ |
210 | |
211 | |
211 | #if EV_PROTOTYPES |
212 | #if EV_PROTOTYPES |
212 | int ev_version_major (void); |
213 | int ev_version_major (void); |
213 | int ev_version_minor (void); |
214 | int ev_version_minor (void); |
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261 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
262 | void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
262 | #endif |
263 | #endif |
263 | |
264 | |
264 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
265 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
265 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
266 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
266 | #define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) |
267 | #define ev_watcher_init(ev,cb_) do { \ |
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268 | ((struct ev_watcher *)(ev))->active = \ |
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269 | ((struct ev_watcher *)(ev))->pending = \ |
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270 | ((struct ev_watcher *)(ev))->priority = 0; \ |
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271 | ((struct ev_watcher *)(ev))->cb = (cb_); \ |
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272 | } while (0) |
267 | |
273 | |
268 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
274 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
269 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
275 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
270 | #define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
276 | #define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
271 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
277 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
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281 | #define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
287 | #define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
282 | #define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
288 | #define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
283 | #define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
289 | #define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
284 | #define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
290 | #define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
285 | |
291 | |
286 | #define ev_is_pending(ev) (0 + (ev)->pending) /* true when watcher is waiting for callback invocation */ |
292 | #define ev_is_pending(ev) (0 + ((struct ev_watcher *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ |
287 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
293 | #define ev_is_active(ev) (0 + ((struct ev_watcher *)(ev))->active) /* ro, true when the watcher has been started */ |
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294 | |
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295 | #define ev_priority(ev) ((struct ev_watcher *)(ev))->priority /* rw */ |
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296 | #define ev_cb(ev) ((struct ev_watcher *)(ev))->cb /* rw */ |
288 | #define ev_set_priority(ev,pri) (ev)->priority = pri |
297 | #define ev_set_priority(ev,pri) ev_priority (ev) = (pri) |
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298 | #define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
289 | |
299 | |
290 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
300 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
291 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
301 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
292 | #if EV_PROTOTYPES |
302 | #if EV_PROTOTYPES |
293 | void ev_io_start (EV_P_ struct ev_io *w); |
303 | void ev_io_start (EV_P_ struct ev_io *w); |