From eced0c78a54bbecc61f1717d33f64ee7d99804bb Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Thu, 26 Apr 2012 10:53:48 +0200
Subject: getty: fix for NOCTTY killing us with SIGHUP
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
loginutils/getty.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/loginutils/getty.c b/loginutils/getty.c
index afb411b98..bbb5a96b4 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -561,8 +561,14 @@ int getty_main(int argc UNUSED_PARAM, char **argv)
*/
fd = open("/dev/tty", O_RDWR | O_NONBLOCK);
if (fd >= 0) {
+ /* TIOCNOTTY sends SIGHUP to the foreground
+ * process group - which may include us!
+ * Make sure to not die on it:
+ */
+ sighandler_t old = signal(SIGHUP, SIG_IGN);
ioctl(fd, TIOCNOTTY);
close(fd);
+ signal(SIGHUP, old);
}
}
--
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