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socket_set_nonblock
(PHP 4 >= 4.0.7, PHP 5)
socket_set_nonblock — Sets nonblocking mode for file descriptor fd
Описание
bool socket_set_nonblock ( resource $socket )
The socket_set_nonblock() function sets the O_NONBLOCK flag on the socket specified by the socket parameter.
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.
Список параметров
- socket
-
A valid socket resource created with socket_create() or socket_accept().
Возвращаемые значения
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
Примеры
Пример #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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