pointer
xf86AddGeneralHandler(int fd, InputHandlerProc proc, pointer data)
{
IHPtr ih = addInputHandler(fd, proc, data);
if (ih)
AddGeneralSocket(fd);
return ih;
}
void
xf86EnableGeneralHandler(pointer handler)
{
IHPtr ih;
if (!handler)
return;
ih = handler;
ih->enabled = TRUE;
if (ih->fd >= 0)
AddGeneralSocket(ih->fd);
}
/**
* Attempt to connect to the system bus, and set a filter to deal with
* disconnection (see message_filter above).
*
* @return 1 on success, 0 on failure.
*/
static int
connect_to_bus(void)
{
DBusError error;
struct dbus_core_hook *hook;
dbus_error_init(&error);
bus_info.connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
if (!bus_info.connection || dbus_error_is_set(&error)) {
LogMessage(X_ERROR, "dbus-core: error connecting to system bus: %s (%s)\n",
error.name, error.message);
goto err_begin;
}
/* Thankyou. Really, thankyou. */
dbus_connection_set_exit_on_disconnect(bus_info.connection, FALSE);
if (!dbus_connection_get_unix_fd(bus_info.connection, &bus_info.fd)) {
ErrorF("[dbus-core] couldn't get fd for system bus\n");
goto err_unref;
}
if (!dbus_connection_add_filter(bus_info.connection, message_filter,
&bus_info, NULL)) {
ErrorF("[dbus-core] couldn't add filter: %s (%s)\n", error.name,
error.message);
goto err_fd;
}
dbus_error_free(&error);
AddGeneralSocket(bus_info.fd);
RegisterBlockAndWakeupHandlers(block_handler, wakeup_handler, &bus_info);
for (hook = bus_info.hooks; hook; hook = hook->next) {
if (hook->connect)
hook->connect(bus_info.connection, hook->data);
}
return 1;
err_fd:
bus_info.fd = -1;
err_unref:
dbus_connection_unref(bus_info.connection);
bus_info.connection = NULL;
err_begin:
dbus_error_free(&error);
return 0;
}
void sna_acpi_init(struct sna *sna)
{
if (sna->acpi.fd < 0)
return;
if (sna->flags & SNA_PERFORMANCE)
return;
DBG(("%s: attaching to acpid\n", __FUNCTION__));
AddGeneralSocket(sna->acpi.fd);
sna->acpi.remain = sizeof(sna->acpi.event) - 1;
sna->acpi.offset = 0;
/* Read initial states */
if (read_power_state("/sys/class/power_supply") == 0) {
DBG(("%s: AC adapter is currently offline\n", __FUNCTION__));
sna->flags |= SNA_POWERSAVE;
}
}