(PHP 4 >= 4.2.0)

dio_fcntl -- Performs a c library fcntl on fd


mixed dio_fcntl ( resource fd, int cmd [, mixed arg])

The dio_fcntl() function performs the operation specified by cmd on the file descriptor fd. Some commands require additional arguments args to be supplied.

arg is an associative array, when cmd is F_SETLK or F_SETLLW, with the following keys:

cmd can be one of the following operations: