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.
参见
- eio_nop