eio_nop
PECL eio >= 0.0.1dev
eio_nop - Does nothing, except go through the whole request cycle
Manual
eio_nop(
[int$pri = EIO_PRI_DEFAULT],
[callable$callback = NULL],
[mixed$data = NULL] ): resource
eio_nop does nothing, except go through the whole request cycle. Could be useful in debugging.
Parameters
- 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
-
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.
Return Values
eio_nop returns request resource on success, or false on failure.