Ignore signals in all but the main thread.

[tinc] / src / net.c

diff --git a/src/net.c b/src/net.c
index b34ff38..3eec9a6 100644 (file)
--- a/src/net.c
+++ b/src/net.c
@@ -38,6 +38,7 @@
 
 int contradicting_add_edge = 0;
 int contradicting_del_edge = 0;
+bool running = true;
 
 /* Purge edges and subnets of unreachable nodes. Use carefully. */
 
@@ -220,14 +221,18 @@ void handle_meta_connection_data(void *data) {
 
                getsockopt(c->socket, SOL_SOCKET, SO_ERROR, &result, &len);
 
-               if(!result)
+               if(!result) {
+                       mutex_lock(&mutex);
                        finish_connecting(c);
-               else {
+                       mutex_unlock(&mutex);
+               } else {
                        ifdebug(CONNECTIONS) logger(LOG_DEBUG,
                                           "Error while connecting to %s (%s): %s",
                                           c->name, c->hostname, sockstrerror(result));
                        closesocket(c->socket);
+                       mutex_lock(&mutex);
                        do_outgoing_connection(c);
+                       mutex_unlock(&mutex);
                        return;
                }
        }
@@ -235,21 +240,11 @@ void handle_meta_connection_data(void *data) {
        while(true) {
                if (!receive_meta(c)) {
                        terminate_connection(c, c->status.active);
-                       return;
+                       break;
                }
        }
 }
 
-static void sigterm_handler(int signal, short events, void *data) {
-       logger(LOG_NOTICE, "Got %s signal", strsignal(signal));
-       exit(0);
-}
-
-static void sighup_handler(int signal, short events, void *data) {
-       logger(LOG_NOTICE, "Got %s signal", strsignal(signal));
-       reload_configuration();
-}
-
 int reload_configuration(void) {
        connection_t *c;
        splay_node_t *node, *next;
@@ -357,18 +352,12 @@ int main_loop(void) {
 
        event_add(&timeout_event);
 
-#ifdef SIGHUP
-       signal(SIGHUP, sighup_handler);
-#endif
-#ifdef SIGTERM
-       signal(SIGTERM, sigterm_handler);
-#endif
-#ifdef SIGQUIT
-       signal(SIGQUIT, sigterm_handler);
-#endif
 
        while(true) {
-               sleep(1);
+               mutex_unlock(&mutex);
+               usleep(1000000);
+               mutex_lock(&mutex);
+
                struct event *event;
                while((event = get_expired_event())) {
                        event->handler(event->data);