Method Pike.SelectBackend()->`()()

Method `()

float|int(0..0) `()(void|float|int(0..0) sleep_time)

Description

Perform one pass through the backend.

Calls any outstanding call-outs and non-blocking I/O callbacks that are registred in this backend object.

Parameter sleep_time

Wait at most sleep_time seconds. The default when unspecified or the integer 0 is no time limit.

Returns

If the backend did call any callbacks or call outs then the time spent in the backend is returned as a float. Otherwise the integer 0 is returned.

See also

Pike.DefaultBackend , main()