eio_busy

(PECL eio >= 0.0.1dev)

eio_busy — Artificially increase load. Could be useful in tests, benchmarking

说明

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.

参数

delay

Delay in seconds

pri

请求的优先级：EIO_PRI_DEFAULT，EIO_PRI_MIN，EIO_PRI_MAX 或 NULL。如果是 NULL，pri 将设为 EIO_PRI_DEFAULT。

callback

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

data

Arbitrary variable passed to callback.

返回值

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

参见

  • eio_nop
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