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33 | #ifdef __cplusplus |
33 | #ifdef __cplusplus |
34 | extern "C" { |
34 | extern "C" { |
35 | #endif |
35 | #endif |
36 | |
36 | |
37 | typedef double ev_tstamp; |
37 | typedef double ev_tstamp; |
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38 | |
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39 | /* these priorities are inclusive, higher priorities will be called earlier */ |
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40 | #ifndef EV_MINPRI |
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41 | # define EV_MINPRI -2 |
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42 | #endif |
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43 | #ifndef EV_MAXPRI |
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44 | # define EV_MAXPRI +2 |
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45 | #endif |
38 | |
46 | |
39 | /* eventmask, revents, events... */ |
47 | /* eventmask, revents, events... */ |
40 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
48 | #define EV_UNDEF -1 /* guaranteed to be invalid */ |
41 | #define EV_NONE 0x00 |
49 | #define EV_NONE 0x00 |
42 | #define EV_READ 0x01 |
50 | #define EV_READ 0x01 |
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70 | |
78 | |
71 | /* shared by all watchers */ |
79 | /* shared by all watchers */ |
72 | #define EV_WATCHER(type) \ |
80 | #define EV_WATCHER(type) \ |
73 | int active; /* private */ \ |
81 | int active; /* private */ \ |
74 | int pending; /* private */ \ |
82 | int pending; /* private */ \ |
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83 | int priority; /* ro */ \ |
75 | EV_COMMON; /* rw */ \ |
84 | EV_COMMON; /* rw */ \ |
76 | void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
85 | void (*cb)(struct type *, int revents); /* rw */ /* gets invoked with an eventmask */ |
77 | |
86 | |
78 | #define EV_WATCHER_LIST(type) \ |
87 | #define EV_WATCHER_LIST(type) \ |
79 | EV_WATCHER (type); \ |
88 | EV_WATCHER (type); \ |
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198 | void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
207 | void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg); |
199 | #endif |
208 | #endif |
200 | |
209 | |
201 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
210 | /* these may evaluate ev multiple times, and the other arguments at most once */ |
202 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
211 | /* either use ev_watcher_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ |
203 | #define ev_watcher_init(ev,cb_) do { (ev)->active = 0; (ev)->pending = 0; (ev)->cb = (cb_); } while (0) |
212 | #define ev_watcher_init(ev,cb_) do { (ev)->active = (ev)->pending = (ev)->priority = 0; (ev)->cb = (cb_); } while (0) |
204 | |
213 | |
205 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
214 | #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_); } while (0) |
206 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
215 | #define ev_timer_set(ev,after_,repeat_) do { (ev)->at = (after_); (ev)->repeat = (repeat_); } while (0) |
207 | #define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
216 | #define ev_periodic_set(ev,at_,interval_) do { (ev)->at = (at_); (ev)->interval = (interval_); } while (0) |
208 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
217 | #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) |
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218 | #define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
227 | #define ev_idle_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) |
219 | #define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
228 | #define ev_prepare_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) |
220 | #define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
229 | #define ev_check_init(ev,cb) do { ev_watcher_init ((ev), (cb)); ev_check_set ((ev)); } while (0) |
221 | #define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
230 | #define ev_child_init(ev,cb,pid) do { ev_watcher_init ((ev), (cb)); ev_child_set ((ev),(pid)); } while (0) |
222 | |
231 | |
223 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
232 | #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ |
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233 | #define ev_set_priority(ev,pri) (ev)->priority = pri |
224 | |
234 | |
225 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
235 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
226 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
236 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
227 | #if EV_PROTOTYPES |
237 | #if EV_PROTOTYPES |
228 | void ev_io_start (struct ev_io *w); |
238 | void ev_io_start (struct ev_io *w); |