eio_busy
(PECL eio >= 0.0.1dev)
eio_busy — Artificially increase load. Could be useful in tests, benchmarking
说明
eio_busy(
int
int
callable
mixed
): resource
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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