dbus_shutdown

gistfile1.txt

CODE:
-----
#include <stdio.h>
#include <stdlib.h>

#include <dbus/dbus-glib.h>

/*
 * Test program requesting shutdown to dbus
 */
int main(void) {
    DBusGConnection *conn;
    DBusGProxy      *proxy = NULL;
    GError          *err = NULL;
    gboolean        result = FALSE;
    gboolean        allow_save;

    conn = dbus_g_bus_get(DBUS_BUS_SESSION, &err);
    if (conn == NULL) {
        errx(EXIT_FAILURE, "Failed to connect to dbus...\n");
    }
    printf("Connected to dbus...\n");


    proxy = dbus_g_proxy_new_for_name_owner(conn,
            "org.xfce.SessionManager",
            "/org/xfce/SessionManager",
            "org.xfce.Session.Manager",
            &err);

    if (proxy == NULL) {
        errx(EXIT_FAILURE, "Failed to get proxy...\n");
    }

    result = dbus_g_proxy_call(proxy, "Shutdown", &err,
            G_TYPE_BOOLEAN, allow_save,
            G_TYPE_INVALID, G_TYPE_INVALID);

    char *can = result ? "can" : "cannot";
    printf("%s shutdown\n", can);

    g_object_unref(proxy);
    g_error_free(err);

    return EXIT_SUCCESS;
}


OUTPUT:
-------
Connected to dbus...

** (process:2369): CRITICAL **: marshal_basic: assertion 'b == TRUE || b == FALSE' failed

** (process:2369): CRITICAL **: Could not marshal argument 0 for Shutdown: type gboolean, value TRUE
cannot shutdown

OS:
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NetBSD netbsd.home.p4 7.99.26 NetBSD 7.99.26 (GENERIC) #0: Mon Feb 22 18:15:35 CET 2016  [email protected]:/home/youri/cvs/src/sys/arch/amd64/compile/obj/GENERIC amd64

USER:
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uid=1000(youri) gid=100(users) groups=100(users),0(wheel),5(operator),1003(pulse),1004(pulseacc),1005(pulsert)