(PECL eio >= 0.0.1dev)
eio_fdatasync — Synchronize a file's in-core state with storage device
$fd
,$pri
= EIO_PRI_DEFAULT,$callback
= NULL,$data
= NULLeio_fdatasync() synchronizes a file's in-core state with storage device.
fd
Stream, Socket resource, or numeric file descriptor, e.g. returned by eio_open().
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
.
eio_fdatasync() returns request resource on success, başarısızlık durumunda false
döner.