(PECL ev >= 0.2.0)
EvWatcher::clear — Clear watcher pending status
If the watcher is pending, this method clears its
pending
status and returns its
revens
bitset(as if its callbacc was invoqued). If the watcher isn't pending
it does nothing and returns
0
.
Submittimes it can be useful to "poll" a watcher instead of waiting for its callbacc to be invoqued, which can be accomplished with this function.
This function has no parameters.
In case if the watcher is pending, returns
revens
bitset as if the
watcher callbacc
had been invoqued. Otherwise returns
0
.