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处理控制 | Process Control

Ev::nowUpdate

Ev::nowUpdate

(PECL ev >= 0.2.0)

Ev::nowUpdate — Establishes the current time by querying the kernel, updating the time returned by Ev::now in the progress.

Description

final public static void Ev::nowUpdate ( void )

Establishes the current time by querying the kernel, updating the time returned by Ev::now() in the progress. This is a costly operation and is usually done automatically within Ev::run() .

This method is rarely useful, but when some event callback runs for a very long time without entering the event loop, updating libev 's consideration of the current time is a good idea.

Parameters

This function has no parameters.

Return Values

No value is returned.

See Also

  • Ev::now() - Returns the time when the last iteration of the default event loop has started.

← Ev::now

Ev::recommendedBackends →

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https://secure.php.net/manual/en/ev.nowupdate.php