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authordtucker@openbsd.org <dtucker@openbsd.org>2016-11-29 04:54:50 +0100
committerDamien Miller <djm@mindrot.org>2016-11-29 06:51:27 +0100
commitb0899ee26a6630883c0f2350098b6a35e647f512 (patch)
tree9869e87c60d4458dfc1776542c5f5c7c5ad81464 /sshpty.c
parentupstream commit (diff)
downloadopenssh-b0899ee26a6630883c0f2350098b6a35e647f512.tar.xz
openssh-b0899ee26a6630883c0f2350098b6a35e647f512.zip
upstream commit
Factor out code to disconnect from controlling terminal into its own function. ok djm@ Upstream-ID: 39fd9e8ebd7222615a837312face5cc7ae962885
Diffstat (limited to 'sshpty.c')
-rw-r--r--sshpty.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/sshpty.c b/sshpty.c
index b8457d913..fe2fb5aa2 100644
--- a/sshpty.c
+++ b/sshpty.c
@@ -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 */
+}