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eio_busy

(PECL eio >= 0.0.1dev)

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

說(shuō)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.

參數

delay

Delay in seconds

pri

請求的優(yōu)先級：EIO_PRI_DEFAULT，EIO_PRI_MIN，EIO_PRI_MAX 或 null。如果是 null，pri 將設為 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, 或者在失敗時(shí)返回 false.

參見(jiàn)

  • eio_nop() - Does nothing, except go through the whole request cycle
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