[krb5-auth-dialog] Cleanup on SIGTERM and SIGQUIT

[Guido Günther <guidog src gnome org>]

commit a4d921f35cc65b14e4204cc855f0d2c3bbf68f29
Author: Guido Günther <agx sigxcpu org>
Date:   Sun Oct 26 18:07:47 2014 +0100

    Cleanup on SIGTERM and SIGQUIT
    
    This makes sure we don't leave any old notifiations around

 src/ka-applet.c |   27 +++++++++++++++++++++++++++
 1 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/src/ka-applet.c b/src/ka-applet.c
index 92cd3e0..838e0eb 100644
--- a/src/ka-applet.c
+++ b/src/ka-applet.c
@@ -32,6 +32,8 @@
 #include "ka-closures.h"
 #include <libnotify/notify.h>
 
+#include <signal.h>
+
 #define NOTIFY_SECONDS 300
 
 enum ka_icon {
@@ -237,6 +239,30 @@ action_quit (GSimpleAction *action G_GNUC_UNUSED,
     ka_applet_destroy (self);
 }
 
+
+KaApplet *sigapplet;
+static void
+signal_handler (int signum)
+{
+    g_message ("Caught signal %d", signum);
+    if (sigapplet)
+        ka_applet_destroy (sigapplet);
+}
+
+
+static void
+setup_signal_handlers (KaApplet *applet)
+{
+    struct sigaction sa;
+
+    memset (&sa, 0, sizeof(sa));
+    sa.sa_handler = signal_handler;
+    sigapplet = applet;
+    sigaction(SIGINT, &sa, NULL);
+    sigaction(SIGTERM, &sa, NULL);
+}
+
+
 static GActionEntry app_entries[] = {
     { "preferences", action_preferences, NULL, NULL, NULL, {0} },
     { "about", action_about, NULL, NULL, NULL, {0} },
@@ -1229,6 +1255,7 @@ main (int argc, char *argv[])
     if (!applet)
         return 1;
 
+    setup_signal_handlers(applet);
     ret = g_application_run (G_APPLICATION(applet), argc, argv);
     g_object_unref (applet);
     return ret;