(PECL eio >= 0.0.1dev)
eio_busy — Artificially increase load. Could be useful in tests, benchmarking
$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,
Delay in seconds
The request priority:
pri internally is set to
This callback is called when all the group requests are done.
Arbitrary variable passed to
eio_busy() returns request resource on success or
FALSE on error.