(PECL eio >= 0.0.1dev)
eio_busy — Artificially increase load. Could be useful in tests, benchmarking.
$delay
[, int $pri
= EIO_PRI_DEFAULT
[, callable $callback
= NULL
[, mixed $data
= NULL
]]] )
eio_busy() artificially increases load taking
delay
seconds to execute. May be used for debugging,
or benchmarking.
delay
Delay in seconds
pri
The request priority: EIO_PRI_DEFAULT
, EIO_PRI_MIN
, EIO_PRI_MAX
, or NULL
.
If NULL
passed, pri
internally is set to
EIO_PRI_DEFAULT
.
callback
This callback is called when all the group requests are done.
data
Arbitrary variable passed to callback
.
eio_busy() returns request resource on success or FALSE
on error.