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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