Resolution

说明

public static parallel\Future::select ( array &$resolving , array &$resolved , array &$errored ) : int

Shall wait until the first future value becomes available, removing the resolved value from resolving

public static parallel\Future::select ( array &$resolving , array &$resolved , array &$errored , string &$timedout , int $timeout ) : int

Shall wait until the first future value becomes available or until timeout is reached, removing the resolved value from resolving

Note:
If a value resolved it shall be placed in resolved, Futures that would throw \parallel\Exception shall be placed in errored, and Futures that have timed out shall be placed in timedout.

参数

resolving: Should contain Futures to be selected
resolved: Shall contain resolved Futures
errored: Shall contain errored Futures
timedout: Shall contain timedout Futures
timeout: Timeout, in microseconds

返回值

Shall return the number of resolved, errored, and where used timedout futures.

Exceptions

Warning

Shall throw \parallel\Exception if arguments are invalid.