Merge lp:~bratsche/xsplash/daemon-0.7 into lp:~bratsche/xsplash/release-0.7

[Cody Russell]

[Ted Gould (ted)]

review: Approve

=== modified file 'src/xsplash.c'
--- src/xsplash.c	2009-09-10 17:23:19 +0000
+++ src/xsplash.c	2009-09-15 16:55:47 +0000
@@ -73,6 +73,7 @@
   PROP_DBUS_PROXY
 };
 
+static void               start_daemon_mode              (void);
 static AnimContext *      anim_context_new               (XsplashServer  *server,
                                                           GtyTimeline    *timeline,
                                                           gpointer        id);
@@ -127,6 +128,7 @@
 static guint     throbber_frames  = 50;
 static gboolean  ping_pong        = FALSE;
 static gboolean  have_xcomposite  = FALSE;
+static gboolean  daemon_mode      = FALSE;
 static gboolean  is_composited    = FALSE;
 static gboolean  redirected       = FALSE;
 static GSList   *signal_list      = NULL;
@@ -143,6 +145,11 @@
     "Filename for background image", NULL
   },
   {
+    "daemon", 'd', 0,
+    G_OPTION_ARG_NONE, &daemon_mode,
+    "Run in daemon mode", NULL
+  },
+  {
     "logo", 'l', 0,
     G_OPTION_ARG_FILENAME, &logo_image,
     "Filename for logo image", NULL
@@ -446,6 +453,8 @@
 
   gtk_container_add (GTK_CONTAINER (priv->window), fixed);
 
+  start_daemon_mode ();
+
   gtk_widget_show_all (priv->window);
 }
 
@@ -696,6 +705,27 @@
   gtk_main_quit ();
 }
 
+static void
+start_daemon_mode (void)
+{
+  pid_t pid, sid;
+
+  if (daemon_mode)
+    {
+      /* fork from our parent process */
+      pid = fork ();
+
+      if (pid < 0)
+        exit (EXIT_FAILURE);
+
+      if (pid > 0)
+        exit (EXIT_SUCCESS);
+
+      sid = setsid ();
+      if (sid < 0)
+        exit (EXIT_FAILURE);
+    }
+}
 
 #define XSPLASH_LOG "/var/log/gdm/xsplash.log"