eio_busy

(PECL eio >= 0.0.1dev)

eio_busyArtificially increase load. Could be useful in tests, benchmarking

˵��

eio_busy ( int $delay [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]] ) : resource

eio_busy() artificially increases load taking delay seconds to execute. May be used for debugging, or benchmarking.

����

delay

Delay in seconds

pri

��������ȼ���EIO_PRI_DEFAULT��EIO_PRI_MIN��EIO_PRI_MAX �� NULL������� NULL��pri ����Ϊ EIO_PRI_DEFAULT��

callback

This callback is called when all the group requests are done.

data

Arbitrary variable passed to callback.

����ֵ

eio_busy() returns request resource on success or FALSE on error.

�μ�

  • eio_nop