flowtop: Exit gracefully for all possible termination signals

Handle all termination signals that we're allowed to handle (SIGKILL
can't be handled) in order to exit gracefully in any regular termination
case.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 4 insertions, 0 deletions

diff --git a/flowtop.c b/flowtop.c
index d0b9a80..5b0a88c 100644
--- a/flowtop.c
+++ b/flowtop.c
@@ -211,6 +211,8 @@ static void signal_handler(int number)
 {
 	switch (number) {
 	case SIGINT:
+	case SIGQUIT:
+	case SIGTERM:
 		sigint = 1;
 		break;
 	case SIGHUP:
@@ -1171,6 +1173,8 @@ int main(int argc, char **argv)
 	rcu_init();
 
 	register_signal(SIGINT, signal_handler);
+	register_signal(SIGQUIT, signal_handler);
+	register_signal(SIGTERM, signal_handler);
 	register_signal(SIGHUP, signal_handler);
 
 	init_geoip(1);