i386_io_port_remove

Function - Disable target thread's ability to invoke operations on the specified device.

SYNOPSIS

kern_return_t   i386_io_port_remove
                (thread_act_t                        target_act,
                 device_t                                device);

PARAMETERS

target_act

[in thread send right] Thread whose permission bitmap is to be cleared

device

[in device send right] Device whose permission is to be revoked

DESCRIPTION

The i386_io_port_remove function removes the specified device from the thread's I/O permission bitmap, thereby prohibiting I/O instructions being executed against the device.

RETURN VALUES

Only generic errors apply.

RELATED INFORMATION

Functions: i386_io_port_add, i386_io_port_list.