(PECL ev >= 0.2.0) Returns recursion depth

(PECL ev >= 0.2.0) Returns the set of backends supported by current libev configuration.

(PECL ev >= 0.2.0) Block the process for the given number of seconds.

(PECL ev >= 0.2.0) Performs internal consistency checks(for debugging)

(PECL ev >= 0.2.0) Returns the set of backends that are embeddable in other event loops.

(PECL ev >= 0.2.0) Returns a bit mask of recommended backends for current platform.

(PECL ev >= 0.2.0) Returns the current time in fractional seconds since the epoch.

(PECL ev >= 0.2.0) Suspend the default event loop

(PECL ev >= 0.2.0) Stops the default event loop

(PECL ev >= 0.2.0) Establishes the current time by querying the kernel, updating the time returned by Ev::now