TIOCSCTTY

[Ruslan Ermilov]

Hi!

Could someone please explain why the following code snippet
does not work anymore with the "/dev/console" argument?

# ./tiocsctty /dev/console
tiocsctty: ioctl(/dev/console, TIOCSCTTY): Operation not permitted


Thanks,
-- 
Ruslan Ermilov          Oracle Developer/DBA,
[EMAIL PROTECTED]           Sunbay Software AG,
[EMAIL PROTECTED]          FreeBSD committer,
+380.652.512.251        Simferopol, Ukraine

http://www.FreeBSD.org  The Power To Serve
http://www.oracle.com   Enabling The Information Age

#include <sys/ioctl.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>

int
main(int argc, char *argv[])
{
        int fd;

        if (argc != 2)
                errx(1, "missing argument");
        if ((fd = open(argv[1], O_RDWR)) == -1)
                err(1, "open %s", argv[1]);
        if (daemon(1, 1) == -1)
                err(1, "daemon");
        if (ioctl(fd, TIOCSCTTY) == -1)
                err(1, "ioctl(%s, TIOCSCTTY)", argv[1]);

        exit(0);
}