it makes no sense to return a value from an effectively detached thread

daemon/aux.c

@@ -18,8 +18,8 @@
 
 
 struct detach_thread {
-	GThreadFunc	func;
-	gpointer	data;
+	void		(*func)(void *);
+	void		*data;
 };
 
 
@@ -145,7 +145,7 @@ static gpointer thread_detach_func(gpointer d) {
 	return NULL;
 }
 
-void thread_create_detach(GThreadFunc f, gpointer d) {
+void thread_create_detach(void (*f)(void *), void *d) {
 	struct detach_thread *dt;
 
 	dt = g_slice_alloc(sizeof(*dt));

daemon/aux.h

@@ -198,7 +198,7 @@ typedef GCond cond_t;
 
 void thread_join_me();
 void threads_join_all();
-void thread_create_detach(GThreadFunc, gpointer);
+void thread_create_detach(void (*)(void *), void *);
 
 
 

daemon/main.c

@@ -59,7 +59,7 @@ static char *b2b_url;
 
 
 
-gpointer sighandler(gpointer x) {
+static void sighandler(gpointer x) {
 	sigset_t ss;
 	int ret;
 	struct timespec ts;
@@ -87,8 +87,6 @@ gpointer sighandler(gpointer x) {
 		else
 			abort();
 	}
-
-	return NULL;
 }