Handle SIGHUP.

mixer/src/main.C

@@ -148,6 +148,8 @@ main ( int argc, char **argv )
     ensure_dirs();
 
     signal( SIGTERM, sigterm_handler );
+    signal( SIGHUP, sigterm_handler );
+    signal( SIGINT, sigterm_handler );
 
     Fl_Tooltip::color( FL_BLACK );
     Fl_Tooltip::textcolor( FL_YELLOW );

session-manager/src/jackpatch.c

@@ -448,7 +448,7 @@ die ( void )
 void
 set_traps ( void )
 {
-//	signal( SIGHUP, signal_handler );
+	signal( SIGHUP, signal_handler );
 	signal( SIGINT, signal_handler );
 //	signal( SIGQUIT, signal_handler );
 //	signal( SIGSEGV, signal_handler );

timeline/src/main.C

@@ -161,6 +161,8 @@ main ( int argc, char **argv )
     thread.set();
 
     signal( SIGTERM, sigterm_handler );
+    signal( SIGHUP, sigterm_handler );
+    signal( SIGINT, sigterm_handler );
 
     fl_register_images();