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40 | #ifndef EV_H_ |
40 | #ifndef EV_H_ |
41 | #define EV_H_ |
41 | #define EV_H_ |
42 | |
42 | |
43 | #ifdef __cplusplus |
43 | #ifdef __cplusplus |
44 | # define EV_CPP(x) x |
44 | # define EV_CPP(x) x |
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45 | # if __cplusplus >= 201103L |
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46 | # define EV_THROW noexcept |
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47 | # else |
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48 | # define EV_THROW throw () |
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49 | # endif |
45 | #else |
50 | #else |
46 | # define EV_CPP(x) |
51 | # define EV_CPP(x) |
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52 | # define EV_THROW |
47 | #endif |
53 | #endif |
48 | |
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49 | #define EV_THROW EV_CPP(throw()) |
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50 | |
54 | |
51 | EV_CPP(extern "C" {) |
55 | EV_CPP(extern "C" {) |
52 | |
56 | |
53 | /*****************************************************************************/ |
57 | /*****************************************************************************/ |
54 | |
58 | |
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203 | #endif |
207 | #endif |
204 | |
208 | |
205 | /*****************************************************************************/ |
209 | /*****************************************************************************/ |
206 | |
210 | |
207 | #define EV_VERSION_MAJOR 4 |
211 | #define EV_VERSION_MAJOR 4 |
208 | #define EV_VERSION_MINOR 11 |
212 | #define EV_VERSION_MINOR 19 |
209 | |
213 | |
210 | /* eventmask, revents, events... */ |
214 | /* eventmask, revents, events... */ |
211 | enum { |
215 | enum { |
212 | EV_UNDEF = 0xFFFFFFFF, /* guaranteed to be invalid */ |
216 | EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ |
213 | EV_NONE = 0x00, /* no events */ |
217 | EV_NONE = 0x00, /* no events */ |
214 | EV_READ = 0x01, /* ev_io detected read will not block */ |
218 | EV_READ = 0x01, /* ev_io detected read will not block */ |
215 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
219 | EV_WRITE = 0x02, /* ev_io detected write will not block */ |
216 | EV__IOFDSET = 0x80, /* internal use only */ |
220 | EV__IOFDSET = 0x80, /* internal use only */ |
217 | EV_IO = EV_READ, /* alias for type-detection */ |
221 | EV_IO = EV_READ, /* alias for type-detection */ |
218 | EV_TIMER = 0x00000100, /* timer timed out */ |
222 | EV_TIMER = 0x00000100, /* timer timed out */ |
219 | #if EV_COMPAT3 |
223 | #if EV_COMPAT3 |
220 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
224 | EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ |
221 | #endif |
225 | #endif |
222 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
226 | EV_PERIODIC = 0x00000200, /* periodic timer timed out */ |
223 | EV_SIGNAL = 0x00000400, /* signal was received */ |
227 | EV_SIGNAL = 0x00000400, /* signal was received */ |
224 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
228 | EV_CHILD = 0x00000800, /* child/pid had status change */ |
225 | EV_STAT = 0x00001000, /* stat data changed */ |
229 | EV_STAT = 0x00001000, /* stat data changed */ |
226 | EV_IDLE = 0x00002000, /* event loop is idling */ |
230 | EV_IDLE = 0x00002000, /* event loop is idling */ |
227 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
231 | EV_PREPARE = 0x00004000, /* event loop about to poll */ |
228 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
232 | EV_CHECK = 0x00008000, /* event loop finished poll */ |
229 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
233 | EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ |
230 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
234 | EV_FORK = 0x00020000, /* event loop resumed in child */ |
231 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
235 | EV_CLEANUP = 0x00040000, /* event loop resumed in child */ |
232 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
236 | EV_ASYNC = 0x00080000, /* async intra-loop signal */ |
233 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
237 | EV_CUSTOM = 0x01000000, /* for use by user code */ |
234 | EV_ERROR = 0x80000000 /* sent when an error occurs */ |
238 | EV_ERROR = (int)0x80000000 /* sent when an error occurs */ |
235 | }; |
239 | }; |
236 | |
240 | |
237 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
241 | /* can be used to add custom fields to all watchers, while losing binary compatibility */ |
238 | #ifndef EV_COMMON |
242 | #ifndef EV_COMMON |
239 | # define EV_COMMON void *data; |
243 | # define EV_COMMON void *data; |
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331 | { |
335 | { |
332 | EV_WATCHER_TIME (ev_periodic) |
336 | EV_WATCHER_TIME (ev_periodic) |
333 | |
337 | |
334 | ev_tstamp offset; /* rw */ |
338 | ev_tstamp offset; /* rw */ |
335 | ev_tstamp interval; /* rw */ |
339 | ev_tstamp interval; /* rw */ |
336 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now); /* rw */ |
340 | ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_THROW; /* rw */ |
337 | } ev_periodic; |
341 | } ev_periodic; |
338 | |
342 | |
339 | /* invoked when the given signal has been received */ |
343 | /* invoked when the given signal has been received */ |
340 | /* revent EV_SIGNAL */ |
344 | /* revent EV_SIGNAL */ |
341 | typedef struct ev_signal |
345 | typedef struct ev_signal |
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593 | } |
597 | } |
594 | |
598 | |
595 | #endif /* multiplicity */ |
599 | #endif /* multiplicity */ |
596 | |
600 | |
597 | /* destroy event loops, also works for the default loop */ |
601 | /* destroy event loops, also works for the default loop */ |
598 | EV_API_DECL void ev_loop_destroy (EV_P) EV_THROW; |
602 | EV_API_DECL void ev_loop_destroy (EV_P); |
599 | |
603 | |
600 | /* this needs to be called after fork, to duplicate the loop */ |
604 | /* this needs to be called after fork, to duplicate the loop */ |
601 | /* when you want to re-use it in the child */ |
605 | /* when you want to re-use it in the child */ |
602 | /* you can call it in either the parent or the child */ |
606 | /* you can call it in either the parent or the child */ |
603 | /* you can actually call it at any time, anywhere :) */ |
607 | /* you can actually call it at any time, anywhere :) */ |
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656 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
660 | EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW; /* sleep at least this time, default 0 */ |
657 | |
661 | |
658 | /* advanced stuff for threading etc. support, see docs */ |
662 | /* advanced stuff for threading etc. support, see docs */ |
659 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
663 | EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_THROW; |
660 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
664 | EV_API_DECL void *ev_userdata (EV_P) EV_THROW; |
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665 | typedef void (*ev_loop_callback)(EV_P); |
661 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW; |
666 | EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW; |
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667 | /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out*/ |
662 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P)) EV_THROW; |
668 | EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW; |
663 | |
669 | |
664 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
670 | EV_API_DECL unsigned int ev_pending_count (EV_P) EV_THROW; /* number of pending events, if any */ |
665 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
671 | EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ |
666 | |
672 | |
667 | /* |
673 | /* |
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728 | #ifndef ev_set_cb |
734 | #ifndef ev_set_cb |
729 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
735 | # define ev_set_cb(ev,cb_) ev_cb (ev) = (cb_) |
730 | #endif |
736 | #endif |
731 | |
737 | |
732 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
738 | /* stopping (enabling, adding) a watcher does nothing if it is already running */ |
733 | /* stopping (disabling, deleting) a watcher does nothing unless its already running */ |
739 | /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ |
734 | #if EV_PROTOTYPES |
740 | #if EV_PROTOTYPES |
735 | |
741 | |
736 | /* feeds an event into a watcher as if the event actually occurred */ |
742 | /* feeds an event into a watcher as if the event actually occurred */ |
737 | /* accepts any ev_watcher type */ |
743 | /* accepts any ev_watcher type */ |
738 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |
744 | EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_THROW; |