When being called from /etc/rc at boot time, jaildaemon wakes up SIG_IGN-ing SIGHUP. Fix this.

1 files changed, 4 insertions, 0 deletions

diff --git a/jaildaemon.c b/jaildaemon.c
index 0843b37..f78d1b1 100644
--- a/jaildaemon.c
+++ b/jaildaemon.c
@@ -116,6 +116,10 @@ static void fork_slave( int master_fd ) {
     sa.sa_flags = SA_NOCLDWAIT;
     if( sigaction(SIGCHLD, &sa, NULL) == -1 )
         exerr( "Error: Can not enable auto reap." );
+    sigemptyset(&sa.sa_mask);
+    sa.sa_handler = SIG_DFL;
+    if( sigaction(SIGHUP, &sa, NULL) == -1 )
+        exerr( "Error: Can not un-ignore SIGHUP." );
 
     /* Wait for command from master */
     while(1) {