PHP Manual
Libevent 函数
Add an event to the set of monitored events

event_add

(PECL libevent >= 0.0.1)

event_add — Add an event to the set of monitored events

说明

event_add ( resource $event [, int $timeout = -1 ] ) : bool

event_add() schedules the execution of the event when the event specified in event_set() occurs or in at least the time specified by the timeout argument. If timeout was not specified, not timeout is set. The event must be already initalized by event_set() and event_base_set() functions. If the event already has a timeout set, it is replaced by the new one.

参数

event: Valid event resource.
timeout: Optional timeout (in microseconds).

返回值

event_add() returns TRUE on success or FALSE on error.

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