genode/repos/base-nova/src/base/sleep.cc

35 lines
697 B
C++

/*
* \brief Lay back and relax
* \author Norman Feske
* \author Christian Helmuth
* \date 2006-07-19
*/
/*
* Copyright (C) 2006-2016 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <base/sleep.h>
#include <base/lock.h>
/* NOVA includes */
#include <nova/syscalls.h>
#include <nova/util.h>
void Genode::sleep_forever()
{
using namespace Nova;
Thread_base *myself = Thread_base::myself();
addr_t sem = myself ? myself->tid().exc_pt_sel + SM_SEL_EC : SM_SEL_EC;
while (1) {
if (Nova::sm_ctrl(sem, SEMAPHORE_DOWNZERO))
nova_die();
}
}