Php/docs/function.eio-busy
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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.