73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*
|
|
* \brief Client-side region manager session interface
|
|
* \author Christian Helmuth
|
|
* \author Alexander Boettcher
|
|
* \date 2006-07-11
|
|
*/
|
|
|
|
/*
|
|
* 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__RM_SESSION__CLIENT_H_
|
|
#define _INCLUDE__RM_SESSION__CLIENT_H_
|
|
|
|
#include <rm_session/capability.h>
|
|
#include <base/rpc_client.h>
|
|
|
|
namespace Genode { struct Rm_session_client; }
|
|
|
|
|
|
struct Genode::Rm_session_client : Rpc_client<Rm_session>
|
|
{
|
|
/*
|
|
* Multiple calls to get the dataspace capability on NOVA lead to the
|
|
* situation that the caller gets each time a new mapping of the same
|
|
* capability at different indexes. But the client/caller assumes to get
|
|
* every time the very same index, e.g. in Noux the index is used to look
|
|
* up data structures attached to the capability. Therefore, we cache the
|
|
* dataspace capability on the first request.
|
|
*/
|
|
Dataspace_capability _rm_ds_cap;
|
|
|
|
explicit Rm_session_client(Rm_session_capability session)
|
|
: Rpc_client<Rm_session>(session) { }
|
|
|
|
Local_addr attach(Dataspace_capability ds, size_t size = 0,
|
|
off_t offset = 0, bool use_local_addr = false,
|
|
Local_addr local_addr = (void *)0,
|
|
bool executable = false) override
|
|
{
|
|
return call<Rpc_attach>(ds, size, offset,
|
|
use_local_addr, local_addr,
|
|
executable);
|
|
}
|
|
|
|
void detach(Local_addr local_addr) override {
|
|
call<Rpc_detach>(local_addr); }
|
|
|
|
Pager_capability add_client(Thread_capability thread) override {
|
|
return call<Rpc_add_client>(thread); }
|
|
|
|
void remove_client(Pager_capability pager) override {
|
|
call<Rpc_remove_client>(pager); }
|
|
|
|
void fault_handler(Signal_context_capability handler) override {
|
|
call<Rpc_fault_handler>(handler); }
|
|
|
|
State state() override {
|
|
return call<Rpc_state>(); }
|
|
|
|
Dataspace_capability dataspace() override
|
|
{
|
|
if (!_rm_ds_cap.valid())
|
|
_rm_ds_cap = call<Rpc_dataspace>();
|
|
return _rm_ds_cap;
|
|
}
|
|
};
|
|
|
|
#endif /* _INCLUDE__RM_SESSION__CLIENT_H_ */
|