<h2>i386_io_port_remove</h2>

<strong>Function</strong> - Disable target thread's ability to invoke operations on the

specified device.

<h3>SYNOPSIS</h3>

<strong>kern_return_t i386_io_port_remove</strong>

<strong>(thread_act_t</strong> <var>target_act</var>,

<strong>device_t</strong> <var>device</var><strong>);</strong>

<h3>PARAMETERS</h3>

<dt> <var>target_act</var>

[in thread send right]

Thread whose permission bitmap is to be cleared

<dt> <var>device</var>

[in device send right]

Device whose permission is to be revoked

<h3>DESCRIPTION</h3>

The <strong>i386_io_port_remove</strong> function removes the specified

device from the

thread's I/O permission bitmap, thereby prohibiting I/O instructions being

executed against the device.

<h3>RETURN VALUES</h3>

Only generic errors apply.

<h3>RELATED INFORMATION</h3>

Functions:

<a href="i386_io_port_add.html"><strong>i386_io_port_add<strong></a>,

<a href="i386_io_port_list.html"><strong>i386_io_port_list<strong></a>.