Php/docs/evwatcher.keepalive
EvWatcher::keepalive
(PECL ev >= 0.2.0)
EvWatcher::keepalive — Configures whether to keep the loop from returning
Description
public
EvWatcher::keepalive
([
bool
$value
] ) : bool
Configures whether to keep the loop from returning. With keepalive
value
set to FALSE the watcher won't keep
Ev::run()
/
EvLoop::run()
from returning even though the watcher is active.
Watchers have keepalive
value
TRUE by default.
Clearing keepalive status is useful when returning from Ev::run() / EvLoop::run() just because of the watcher is undesirable. It could be a long running UDP socket watcher or so.
Parameters
value- With keepalive
valueset toFALSEthe watcher won't keep Ev::run() / EvLoop::run() from returning even though the watcher is active.
Return Values
Returns the previous state.
Examples
Example #1 Register an I/O watcher for some UDP socket but do not keep the event loop from running just because of that watcher.
<?php$udp_socket = ...$udp_watcher = new EvIo($udp_socket, Ev::READ, function () { /* ... */ });$udp_watcher->keepalive(FALSE);?>
