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-rw-r--r--ChangeLog3
-rw-r--r--misc/login_tty.c20
2 files changed, 23 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 68e389ad03..82c406b44a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -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>
diff --git a/misc/login_tty.c b/misc/login_tty.c
index 6ea2b9b07f..e4e075c6ed 100644
--- a/misc/login_tty.c
+++ b/misc/login_tty.c
@@ -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);