#include <unistd.h>
#include <limits.h>
+#include <signal.h>
#include <sys/param.h>
#include <string.h>
GPtrArray *logind_freeable;
Login1Manager *logind_interf;
+GMainLoop *logind_loop;
+
+guint bus_descriptor;
+gboolean dbus_interface_exported; /* reliable because of gdbus operational guarantees */
+
/* --- begin method/property/dbus signal code --- */
/*static gboolean
const gchar *name,
gpointer user_data) {
- g_print("got bus, name: %s\n", name);
-
-}
-
-static void logind_on_name_acquired(GDBusConnection *conn,
- const gchar *name,
- gpointer user_data) {
-
- g_print("got '%s' on system bus\n", name);
+ g_print("got bus/name, exporting %s's interface...\n", name);
logind_interf = login1_manager_skeleton_new();
"/org/freedesktop/login1_manager",
NULL)) {
- g_printf("Failed to export Login1Manager's interface!");
- }
+ g_printf("failed to export %s's interface!\n", name);
+ logind_mem_clean();
-}
+ } else {
-/* --- end bus/name handlers, begin misc unix functions --- */
+ dbus_interface_exported = TRUE;
+ g_printf("exported %s's interface on the system bus...\n", name);
+ }
+}
-/* free()'s */
-void logind_mem_clean() {
+static void logind_on_name_acquired(GDBusConnection *conn,
+ const gchar *name,
+ gpointer user_data) {
- g_ptr_array_foreach(logind_freeable, (GFunc) g_free, NULL);
- g_ptr_array_free(logind_freeable, TRUE);
+ g_printf("success!\n");
}
static void logind_on_name_lost(GDBusConnection *conn,
const gchar *name,
gpointer user_data) {
- g_print("lost name %s, exiting...", name);
+ if(!conn) {
+
+ g_printf("failed to connect to the system bus while trying to acquire name '%s': either dbus-daemon isn't running or we don't have permission to push names and/or their interfaces to it.\n", name);
+
+ }
+
+ g_print("lost name %s, exiting...\n", name);
logind_mem_clean();
- g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(logind_interf));
+}
+
+/* --- end bus/name handlers, begin misc unix functions --- */
+
+/* safe call to clean and then exit
+ * this stops our GMainLoop sfaely before letting main() return */
+void logind_mem_clean() {
+
+ g_printf("exiting...\n");
+
+ if(dbus_interface_exported)
+ g_dbus_interface_skeleton_unexport(G_DBUS_INTERFACE_SKELETON(logind_interf));
+
+ if(g_main_loop_is_running(logind_loop))
+ g_main_loop_quit(logind_loop);
}
-int main() {
+/* wrapper for glib's unix signal handling; called only once if terminating signal is raised against us */
+gboolean unix_sig_terminate_handler(gpointer data) {
+
+ g_printf("caught SIGINT/HUP/TERM, exiting\n");
- guint bus_descriptor;
- GMainLoop *logind_loop;
+ logind_mem_clean();
+ return G_SOURCE_REMOVE;
+}
+
+int main() {
logind_loop = g_main_loop_new(NULL, TRUE);
logind_freeable = g_ptr_array_new();