mirror/glibc
2
0
Fork 0
mirror of git://sourceware.org/git/glibc.git synced 2024-11-21 01:12:26 +08:00
Code Issues Packages Projects Releases Wiki Activity

* misc/login_tty.c [! TIOCSCTTY]: Try an emulation using ttyname

Browse Source 
and open.
This commit is contained in:
Roland McGrath 1995-04-05 04:39:51 +00:00
parent 4bca5a35b8
commit c0fef53b1e
2 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
ChangeLog
View File

@ -1,5 +1,8 @@
Wed Apr 5 00:13:45 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* misc/login_tty.c [! TIOCSCTTY]: Try an emulation using ttyname
and open.
* sysdeps/i386/bsd-_setjmp.S: Fix typo in name: setjmp -> _setjmp.
Tue Apr 4 00:48:53 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>

20
misc/login_tty.c
View File

@ -38,14 +38,34 @@ static char sccsid[] = "@(#)login_tty.c 8.1 (Berkeley) 6/4/93";
#include <sys/param.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
int
login_tty(fd)
int fd;
{
(void) setsid();
#ifdef TIOCSCTTY
if (ioctl(fd, TIOCSCTTY, (char *)NULL) == -1)
return (-1);
#else
{
/* This might work. */
char *fdname = ttyname (fd);
int newfd;
if (fdname)
{
if (fd != 0)
(void) close (0);
if (fd != 1)
(void) close (1);
if (fd != 2)
(void) close (2);
newfd = open (fdname, O_RDWR);
(void) close (newfd);
}
}
#endif
(void) dup2(fd, 0);
(void) dup2(fd, 1);
(void) dup2(fd, 2);