diff options
| author | Roland McGrath <roland@gnu.org> | 1995-04-05 04:39:51 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1995-04-05 04:39:51 +0000 |
| commit | c0fef53b1e038a29ea57825af88fceeebdab874e (patch) | |
| tree | 1695cfe07d507f907b5906af50614e0a9f7e3683 /misc | |
| parent | 4bca5a35b82dd45f3322679ef900a1753fc8d688 (diff) | |
| download | glibc-c0fef53b1e038a29ea57825af88fceeebdab874e.tar.gz glibc-c0fef53b1e038a29ea57825af88fceeebdab874e.tar.xz glibc-c0fef53b1e038a29ea57825af88fceeebdab874e.zip | |
* misc/login_tty.c [! TIOCSCTTY]: Try an emulation using ttyname
and open.
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/login_tty.c | 20 |
1 files changed, 20 insertions, 0 deletions
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); |