Darren J Moffat wrote:
> sreenatha wrote:
>> Hi all,
>> I am porting linux application to Solaris 10.
>> Here I am facing the problem to find an equivalent of iopl() (Inpu /
>> output privilage) function of Linux to Solaris 10.
>
> Why does the application use iopl() on Linux ? What does it actually
> do? I've read the Linux man page and I can't quite understand what it
> does but I think the closest Solaris equivalent might be running with
> the sys_devices privilege [ see privileges(5) ].
There is an undocumented system call that gives IO privileges, which is
probably what iopl() does. As such, you're on your own if you use it, but
search the source for V86SC_IOPL.
#include <sys/sysi86.h>
#define IOPL 0x3000 /* PL "3", shifted into correct pos */
int
main(void)
{
if (sysi86(SI86V86, V86SC_IOPL, IOPL) != 0) {
perror("IOPL");
exit(1);
}
.
.
.
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