EvWatcherEvWatcher::clear
(PECL ev >= 0.2.0)
EvWatcher::clear — Clear watcher pending status
Beschreibung
public
int
EvWatcher::clear
( void
)
If the watcher is pending, this method clears its
pending
status and returns its
revents
bitset(as if its callback was invoked). If the watcher isn't pending
it does nothing and returns
0
.
Sometimes it can be useful to "poll" a watcher instead of waiting for its callback to be invoked, which can be accomplished with this function.
Parameter-Liste
Diese Funktion hat keine Parameter.
Rückgabewerte
In case if the watcher is pending, returns
revents
bitset as if the
watcher callback
had been invoked. Otherwise returns
0
.
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User Contributed Notes
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