#include <glib.h>
#include <gio/gio.h>
#include <stdio.h>

static void
dir_changed (GFileMonitor      *monitor,
             GFile             *file,
             GFile             *other_file,
             GFileMonitorEvent  event_type,
             gpointer           user_data)
{
    printf("changed\n");
}

int main(int argc, char **argv)
{
    GMainLoop *main_loop = NULL;
    GFile *dir = NULL;
    GFileMonitor *monitor = NULL;

    main_loop = g_main_loop_new(NULL, FALSE);
    if (!main_loop) {
        fprintf(stderr, "no main loop\n");
        goto end;
    }

    dir = g_file_new_for_path(argv[1]);
    if (!dir) {
        fprintf(stderr, "no dir\n");
        goto end;
    }

    monitor = g_file_monitor_directory(dir, 0, NULL, NULL);
    if (!monitor) {
        fprintf(stderr, "no monitor\n");
        goto end;
    }

    g_signal_connect(monitor, "changed", G_CALLBACK(dir_changed), NULL);

    g_main_loop_run (main_loop);

end:
    g_object_unref(monitor);
    g_object_unref(dir);
    g_object_unref(main_loop);
    printf("exiting\n");
    return 0;
}