(PECL ev >= 0.2.0)
Configures whether to keep the loop from returning
public bool EvWatcher::keepalive ([ bool $value ] )
Configures whether to keep the loop from returning. With keepalive value
set to FALSE
the watcher won't keep Ev::run() / EvLoop::run() from returning even though the watcher is active.
Watchers have keepalive value
TRUE
by default.
Clearing keepalive status is useful when returning from Ev::run() / EvLoop::run() just because of the watcher is undesirable. It could be a long running UDP socket watcher or so.
Parameters:
value
With keepalive value
set to FALSE
the watcher won't keep Ev::run() / EvLoop::run() from returning even though the watcher is active.
Returns:
Returns the previous state.
Examples:
Register an I/O watcher for some UDP socket but do not keep the event loop from running just because of that watcher.
<?php $udp_socket = ... $udp_watcher = new EvIo($udp_socket, Ev::READ, function () { /* ... */ }); $udp_watcher->keepalive(FALSE); ?>
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