genode/repos/base/src/lib/base/rpc_cap_alloc.cc

47 lines
1.2 KiB
C++

/*
* \brief RPC entrypoint support for allocating RPC object capabilities
* \author Norman Feske
* \date 2016-01-19
*/
/*
* Copyright (C) 2016-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
/* Genode includes */
#include <base/env.h>
#include <util/retry.h>
#include <base/rpc_server.h>
#include <pd_session/client.h>
#include <deprecated/env.h>
using namespace Genode;
Native_capability Rpc_entrypoint::_alloc_rpc_cap(Pd_session &pd,
Native_capability, addr_t)
{
for (;;) {
Ram_quota ram_upgrade { 0 };
Cap_quota cap_upgrade { 0 };
try { return pd.alloc_rpc_cap(_cap); }
catch (Out_of_ram) { ram_upgrade = Ram_quota { 2*1024*sizeof(long) }; }
catch (Out_of_caps) { cap_upgrade = Cap_quota { 4 }; }
env_deprecated()->parent()->upgrade(Parent::Env::pd(),
String<100>("ram_quota=", ram_upgrade, ", "
"cap_quota=", cap_upgrade).string());
}
}
void Rpc_entrypoint::_free_rpc_cap(Pd_session &pd, Native_capability cap)
{
return pd.free_rpc_cap(cap);
}