(PECL eio >= 0.0.1dev)
eio_sendfile — Transfer data between file descriptors
$out_fd
,$in_fd
,$offset
,$length
,$pri
= ?,$callback
= ?,$data
= ?
eio_sendfile() copies data between one file descriptor
and another. See SENDFILE(2)
man page for details.
out_fd
Output stream, Socket resource, or file descriptor. Should be opened for writing.
in_fd
Input stream, Socket resource, or file descriptor. Should be opened for reading.
offset
Offset within the source file.
length
Number of bytes to copy.
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_sendfile() returns request resource on success, başarısızlık durumunda false
döner.