(PECL eio >= 0.0.1dev)
eio_fsync — Synchronize a file's in-core state with storage device
$fd
[, int $pri
= EIO_PRI_DEFAULT
[, callable $callback
= NULL
[, mixed $data
= NULL
]]] )Synchronize a file's in-core state with storage device
fd
Stream, Socket resource, or numeric file descriptor.
pri
The request priority: EIO_PRI_DEFAULT
, EIO_PRI_MIN
, EIO_PRI_MAX
, or NULL
.
If NULL
passed, pri
internally is set to
EIO_PRI_DEFAULT
.
callback
callback
function is called when the request is done.
It should match the following prototype:
void callback($data, $result);
$data
is custom
data passed to the request.
$result
contains
request-specific result value; basically, the value returned by corresponding
system call.
data
Arbitrary variable passed to callback
.
eio_fsync() returns request resource on success or FALSE
on error.