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| TICKIT_WATCH_LATER(3) | FreeBSD Library Functions Manual | TICKIT_WATCH_LATER(3) |
NAME
tickit_watch_later - invoke a callback at the next round of IO eventsSYNOPSIS
#include <tickit.h>
typedef int TickitCallbackFn(Tickit *t, TickitEventflags flags,
void *info, void *user);
void *tickit_watch_later(Tickit *t, TickitBindFlags flags,
TickitCallbackFn *fn, void *user);
Link with -ltickit.
DESCRIPTION
tickit_watch_later() registers a callback function to be invoked by the toplevel event loop as it processes the next round of IO events. A registered callback will be invoked by a running call to tickit_run(3). The callback function will be invoked once, and then destroyed afterwards. The info pointer will be NULL.When invoked, the callback function is always passed both TICKIT_EV_FIRE and TICKIT_EV_UNBIND flags to its flags argument. If the callback had been registered with the TICKIT_BIND_DESTROY flag, then it will also be invoked with the TICKIT_EV_DESTROY flag if it has not yet been invoked by the time the toplevel instance is destroyed.
If registered with the TICKIT_BIND_FIRST flag, the callback will be inserted at the start of the queue, coming before others. If not, it is appended at the end.
If cancelled by tickit_watch_cancel(3) the callback function is invoked with just the TICKIT_EV_UNBIND flag if it had been registered with TICKIT_BIND_UNBIND.
RETURN VALUE
tickit_watch_later() returns an opaque identifier pointer.SEE ALSO
tickit_new_stdio(3), tickit_watch_io(3), tickit_watch_timer_after_msec(3), tickit_watch_timer_at_epoch(3), tickit_watch_signal(3), tickit_watch_process(3), tickit_watch_cancel(3), tickit(7)
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