GoLang Ev::embeddableBackends

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PHP Ev::embeddableBackends

PHP original manual for Ev::embeddableBackends [ show | php.net ]

Ev::embeddableBackends

(PECL ev >= 0.2.0)

Ev::embeddableBackends — Returns the set of backends that are embeddable in other event loops

Description

final public static void Ev::embeddableBackends ( void )

Returns the set of backends that are embeddable in other event loops.

Parameters

This function has no parameters.

Return Values

Returns a bit mask which can containing backend flags combined using bitwise OR operator.

Examples

Example #1 Embedding loop created with kqueue backend into the default loop

<?php
/*
* Check if kqueue is available but not recommended and create a kqueue backend
* for use with sockets (which usually work with any kqueue implementation).
* Store the kqueue/socket-only event loop in loop_socket. (One might optionally
* use EVFLAG_NOENV, too)
*
* Example borrowed from
* http://pod.tst.eu/http://cvs.schmorp.de/libev/ev.pod#Examples_CONTENT-9
*/
$loop        = EvLoop::defaultLoop();
$socket_loop = NULL;
$embed       = NULL;

if (Ev::supportedBackends() & ~Ev::recommendedBackends() & Ev::BACKEND_KQUEUE) {
 if (($socket_loop = new EvLoop(Ev::BACKEND_KQUEUE))) {
  $embed = new EvEmbed($loop);
 }
}

if (!$socket_loop) {
 $socket_loop = $loop;
}

// Now use $socket_loop for all sockets, and $loop for anything else
?>

See Also