testfilemonitor.c

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

static void
changed_cb (GFileMonitor *m,
        GFile *f,
        GFile *f2,
        GFileMonitorEvent event_type,
        gpointer user_data)
{
    g_printerr ("an event!\n");
}

int main (int argc, char **argv) {
    const char *path = "/home/mwleeds/adirectorythatdoesnotexist";
    g_autoptr(GFile) f = g_file_new_for_path (path);
    g_autoptr(GError) error = NULL;
    GMainContext *c;
    c = g_main_context_new ();
    g_autoptr(GFileMonitor) m = g_file_monitor_directory (f, G_FILE_MONITOR_WATCH_MOVES, NULL, &error);
    if (!m) {
        printf ("%s", error->message);
        return 1;
    }

    g_signal_connect (m, "changed", G_CALLBACK (changed_cb), NULL);
    while (1)
    {
        g_main_context_iteration (c, TRUE);
    }

    return 0;
}