genode/os/include/timer_session/timer_session.h
2013-01-10 21:44:47 +01:00

56 lines
1.2 KiB
C++

/*
* \brief Timer session interface
* \author Norman Feske
* \date 2006-08-15
*/
/*
* Copyright (C) 2006-2013 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.
*/
#ifndef _INCLUDE__TIMER_SESSION__TIMER_SESSION_H_
#define _INCLUDE__TIMER_SESSION__TIMER_SESSION_H_
#include <session/session.h>
namespace Timer {
struct Session : Genode::Session
{
static const char *service_name() { return "Timer"; }
virtual ~Session() { }
/**
* Sleep number of milliseconds
*/
virtual void msleep(unsigned ms) = 0;
/**
* Return number of elapsed milliseconds since session creation
*/
virtual unsigned long elapsed_ms() const
{
/*
* XXX Remove default implementation by implementing the
* interface in all timer variants.
*/
return 0; }
/*********************
** RPC declaration **
*********************/
GENODE_RPC(Rpc_msleep, void, msleep, unsigned);
GENODE_RPC(Rpc_elapsed_ms, unsigned long, elapsed_ms);
GENODE_RPC_INTERFACE(Rpc_msleep, Rpc_elapsed_ms);
};
}
#endif /* _INCLUDE__TIMER_SESSION__TIMER_SESSION_H_ */