dio_fcntl

PHP 4 >= 4.2.0, PHP 5 < 5.1.0
dio_fcntl - Performs a c library fcntl on fd
Manual
Code Examples

Example #1 Setting and clearing a lock

<?php
$fd = dio_open('/dev/ttyS0', O_RDWR);
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PHP Version:


Function dio_fcntl:

Direct IO Functions

Most used PHP functions