socket_set_nonblock
(PHP 4 >= 4.0.7, PHP 5)
socket_set_nonblock — Sets nonblocking mode for file descriptor fd
Description
bool socket_set_nonblock
( resource $socket
)
When an operation (e.g. receive, send, connect, accept, ...) is performed on
a non-blocking socket, the script not pause its execution until it receives a
signal or it can perform the operation. Rather, if the operation would result
in a block, the called function will fail.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 socket_set_nonblock() example
<?php
$socket = socket_create_listen(1223);
socket_set_nonblock($socket);
socket_accept($socket);
?>
This example creates a listening socket on all interfaces on port 1223 and
sets the socket to O_NONBLOCK mode.
socket_accept() will immediately fail unless there is a
pending connection exactly at this moment.
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