Messages in this thread Patch in this message | | | Date | Sun, 15 Sep 2013 17:50:26 +0200 | From | Oleg Nesterov <> | Subject | [PATCH 1/1] tty: disassociate_ctty() sends the extra SIGCONT |
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Starting from v3.10 (probably f91e2590 "tty: Signal foreground group processes in hangup") disassociate_ctty() sends SIGCONT if tty && on_exit. This breaks LSB test-suite, in particular test8 in _exit.c and test40 in sigcon5.c.
Put the "!on_exit" check back to restore the old behaviour.
Cc: stable@vger.kernel.org # v3.10+ Signed-off-by: Oleg Nesterov <oleg@redhat.com> Reported-by: Karel Srot <ksrot@redhat.com> --- drivers/tty/tty_io.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index a9355ce..3a1a01a 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -854,7 +854,8 @@ void disassociate_ctty(int on_exit) struct pid *tty_pgrp = tty_get_pgrp(tty); if (tty_pgrp) { kill_pgrp(tty_pgrp, SIGHUP, on_exit); - kill_pgrp(tty_pgrp, SIGCONT, on_exit); + if (!on_exit) + kill_pgrp(tty_pgrp, SIGCONT, on_exit); put_pid(tty_pgrp); } } -- 1.5.5.1
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