eio_sendfile
eio_sendfile
(PECL eio >= 0.0.1dev)
eio_sendfile — Transfer data between file descriptors
Description
resource eio_sendfile ( mixed $out_fd , mixed $in_fd , int $offset , int $length [, int $pri [, callable $callback [, string $data ]]] )
eio_sendfile() copies data between one file descriptor and another. See SENDFILE(2) man page for details.
Parameters
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.
Return Values
eio_sendfile() returns request resource on success or FALSE on error.
← eio_seek
eio_set_max_idle →
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