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Add explicit termination signal handlers #6

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Merged
sysvinit merged 1 commit into from
Jun 9, 2022
Merged

Add explicit termination signal handlers #6

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17 changes: 17 additions & 0 deletions src/apps/relay/mainrelay.c
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Original file line number Diff line number Diff line change
Expand Up @@ -217,6 +217,8 @@ static char procgroupname[1025]="\0";
static void read_config_file(int argc, char **argv, int pass);
static void reload_ssl_certs(evutil_socket_t sock, short events, void *args);

static void shutdown_handler(evutil_socket_t sock, short events, void *args);

//////////////////////////////////////////////////

static int make_local_listeners_list(void)
Expand Down Expand Up @@ -2623,6 +2625,11 @@ int main(int argc, char **argv)
struct event *ev = evsignal_new(turn_params.listener.event_base, SIGUSR2, reload_ssl_certs, NULL);
event_add(ev, NULL);

ev = evsignal_new(turn_params.listener.event_base, SIGTERM, shutdown_handler, NULL);
event_add(ev, NULL);
ev = evsignal_new(turn_params.listener.event_base, SIGINT, shutdown_handler, NULL);
event_add(ev, NULL);

drop_privileges();
#if !defined(TURN_NO_PROMETHEUS)
int prometheus_status = start_prometheus_server();
Expand Down Expand Up @@ -3303,4 +3310,14 @@ static void reload_ssl_certs(evutil_socket_t sock, short events, void *args)
UNUSED_ARG(args);
}

static void shutdown_handler(evutil_socket_t sock, short events, void *args)
{
TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO, "Caught signal, terminating\n");
turn_params.stop_turn_server = 1;

UNUSED_ARG(sock);
UNUSED_ARG(events);
UNUSED_ARG(args);
}

///////////////////////////////