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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2012-04-26 10:53:48 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2012-04-26 10:53:48 +0200 |
| commit | eced0c78a54bbecc61f1717d33f64ee7d99804bb (patch) | |
| tree | 0042d7995c06e23d0a6cb1fefa640a01e16af2a0 /loginutils/getty.c | |
| parent | b84dafb5e57462c91df48456dfc5bb7c811e7a24 (diff) | |
| download | busybox-eced0c78a54bbecc61f1717d33f64ee7d99804bb.tar.gz | |
getty: fix for NOCTTY killing us with SIGHUP
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'loginutils/getty.c')
| -rw-r--r-- | loginutils/getty.c | 6 |
1 files changed, 6 insertions, 0 deletions
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); } } |