enable_io - (i386) enable access to I/O space
Synopsis
Description
#include <sys/syscall.h>
int enable_io(int low, int high);
The enable_io() system call enables access for a thread to use the i386 architecture I/O instructions. The process must have sys privileges. Once granted, privileges remain for the life of the thread. Successive calls are cumulative.
| ENABLE_IO (2) |