genode/base/src/core/include/cap_session_component.h
Alexander Boettcher 8c4e1b7eb0 base: extend cap_session with memory allocator
Required to allocate memory to remember per session created capabilities.
During session destruction all capabilities have to be freed up.
2012-12-21 14:54:20 +01:00

50 lines
989 B
C++

/*
* \brief Capability allocation service
* \author Norman Feske
* \date 2006-06-26
*/
/*
* Copyright (C) 2006-2012 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 _CORE__INCLUDE__CAP_SESSION_COMPONENT_H_
#define _CORE__INCLUDE__CAP_SESSION_COMPONENT_H_
#include <base/rpc_server.h>
#include <base/lock.h>
namespace Genode {
class Cap_session_component : public Rpc_object<Cap_session>
{
private:
static long _unique_id_cnt;
static Lock &_lock()
{
static Lock static_lock;
return static_lock;
}
public:
Cap_session_component(Allocator *md_alloc, const char *args) {}
Native_capability alloc(Native_capability ep)
{
Lock::Guard lock_guard(_lock());
return Native_capability(ep.dst(), ++_unique_id_cnt);
}
void free(Native_capability cap) { }
};
}
#endif /* _CORE__INCLUDE__CAP_SESSION_COMPONENT_H_ */