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, 或者在失败时返回 false.

    参见

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

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