55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/*
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* \brief CPU-session client that upgrades its session quota on demand
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* \author Norman Feske
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* \date 2006-07-28
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*/
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/*
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* Copyright (C) 2006-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__BASE__INTERNAL__EXPANDING_CPU_SESSION_CLIENT_H_
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#define _INCLUDE__BASE__INTERNAL__EXPANDING_CPU_SESSION_CLIENT_H_
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/* Genode includes */
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#include <util/retry.h>
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#include <base/printf.h>
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#include <cpu_session/client.h>
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/* base-internal includes */
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#include <base/internal/upgradeable_client.h>
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namespace Genode { struct Expanding_cpu_session_client; }
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struct Genode::Expanding_cpu_session_client : Upgradeable_client<Genode::Cpu_session_client>
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{
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Expanding_cpu_session_client(Genode::Cpu_session_capability cap)
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:
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/*
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* We need to upcast the capability because on some platforms (i.e.,
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* NOVA), 'Cpu_session_client' refers to a platform-specific session
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* interface ('Nova_cpu_session').
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*/
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Upgradeable_client<Genode::Cpu_session_client>
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(static_cap_cast<Genode::Cpu_session_client::Rpc_interface>(cap))
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{ }
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Thread_capability
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create_thread(Pd_session_capability pd, size_t quota, Name const &name,
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Affinity::Location location, addr_t utcb)
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{
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return retry<Cpu_session::Out_of_metadata>(
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[&] () {
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return Cpu_session_client::create_thread(pd, quota, name,
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location, utcb); },
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[&] () { upgrade_ram(8*1024); });
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}
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};
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#endif /* _INCLUDE__BASE__INTERNAL__EXPANDING_CPU_SESSION_CLIENT_H_ */
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