(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.