eio_nop
(PECL eio >= 0.0.1dev)
eio_nop — Does nothing, except go through the whole request cycle
Beschreibung
eio_nop() does nothing, except go through the whole request cycle. Could be useful in debugging.
Parameter-Liste
-
pri
-
The request priority:
EIO_PRI_DEFAULT
,EIO_PRI_MIN
,EIO_PRI_MAX
, ornull
. Ifnull
passed,pri
internally is set toEIO_PRI_DEFAULT
. -
callback
-
callback
function is called when the request is done. It should match the following prototype:void callback(mixed $data, int $result[, resource $req]);
-
data
-
is custom data passed to the request.
-
result
-
request-specific result value; basically, the value returned by corresponding system call.
-
req
-
is optional request resource which can be used with functions like eio_get_last_error()
-
-
data
-
Arbitrary variable passed to
callback
.
Rückgabewerte
eio_nop() returns request resource on success,Bei einem Fehler wird false
zurückgegeben..
Siehe auch
- eio_busy() - Artificially increase load. Could be useful in tests, benchmarking