eio_mknodeio_nop
(PECL eio >= 0.0.1dev)
eio_nop — Does nothing, except go through the whole request cycle.
Descrição
resource eio_nop
([ int $pri = EIO_PRI_DEFAULT
[, callback $callback = NULL
[, mixed $data = NULL
]]] )
eio_nop() does nothing, except go through the whole request cycle. Could be useful in debugging.
Parâmetros
- 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:
$data is custom data passed to the request. $result contains request-specific result value; basically, the value returned by corresponding system call.void callback($data, $result); - data
-
Arbitrary variable passed to callback.
Valor Retornado
eio_nop() returns request resource on success or FALSE on error.
Veja Também
- eio_busy
User Contributed Notes
eio_nop
eio_nop
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