diff options
Diffstat (limited to 'sshpty.c')
-rw-r--r-- | sshpty.c | 16 |
1 files changed, 15 insertions, 1 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: sshpty.c,v 1.30 2015/07/30 23:09:15 djm Exp $ */ +/* $OpenBSD: sshpty.c,v 1.31 2016/11/29 03:54:50 dtucker Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -238,3 +238,17 @@ pty_setowner(struct passwd *pw, const char *tty) } } } + +/* Disconnect from the controlling tty. */ +void +disconnect_controlling_tty(void) +{ +#ifdef TIOCNOTTY + int fd; + + if ((fd = open(_PATH_TTY, O_RDWR | O_NOCTTY)) >= 0) { + (void) ioctl(fd, TIOCNOTTY, NULL); + close(fd); + } +#endif /* TIOCNOTTY */ +} |