_unregister_ioctl_handler()

Updated: April 19, 2023

Unregister an I/O control handler

Synopsis:

#include <ioctl.h>

void _unregister_ioctl_handler( _ioctl_handler_fct *function );

Arguments:

function
An I/O control handler function of type _ioctl_handler_fct. For a description of its prototype, see _register_ioctl_handler().

Library:

libc

Description:

The _unregister_ioctl_handler() function unregisters all previously registered command ranges that were registered using the specified I/O control handler.

Classification:

QNX Neutrino

Safety:  
Cancellation point No
Interrupt handler No
Signal handler No
Thread Yes