Ev::backend

(PECL ev >= 0.2.0)

Ev::backend — Returns an integer describing the backend used by libev.

final public static int Ev::backend ( void )

Returns an integer describing the backend used by libev . See Backend flags

此函数没有参数。

Returns an integer(bit mask) describing the backend used by libev .

EvEmbed
Ev::embeddableBackends() - Returns the set of backends that are embeddable in other event loops.
Ev::recommendedBackends() - Returns a bit mask of recommended backends for current platform.
Ev::supportedBackends() - Returns the set of backends supported by current libev configuration.
Backend flags