Fix com_kill.HEADmaster

The kill command sends SIGUSR1 to the pid that holds the lock of the container
(the container parent process). Without catching SIGUSR1, this signal is
fatal, so the parent dies, but the child and the init process remain.

1 files changed, 2 insertions, 0 deletions

diff --git a/util.c b/util.c
index 80ed7bd..26bd61f 100644
--- a/util.c
+++ b/util.c
@@ -1112,6 +1112,8 @@ void init_signal_handling(void)
 		die_errno("sigaction");
 	if (sigaction(SIGCHLD, &act, NULL) < 0)
 		die_errno("sigaction");
+	if (sigaction(SIGUSR1, &act, NULL) < 0)
+		die_errno("sigaction");
 }
 
 int next_signal(void)