c6943d494b
Showcasing the out of memory kernel issue. One test triggers oom during memory delegation when talking to core pager thread. Two other test trigger oom during capability delegation in a server/client scenario for send and reply phase separately. Issue #1601
82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
/*
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* \brief Dummy server interface
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* \author Alexander Boettcher
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*/
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/*
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* Copyright (C) 2013-2015 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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#pragma once
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/* Genode includes */
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#include <base/printf.h>
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#include <base/thread.h>
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#include <base/env.h>
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#include <base/sleep.h>
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#include <cap_session/connection.h>
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#include <base/rpc_server.h>
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namespace Test { struct Session; struct Client; struct Component; }
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/**
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* Test session interface definition
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*/
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struct Test::Session : Genode::Session
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{
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static const char *service_name() { return "TEST"; }
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GENODE_RPC(Rpc_cap_void, bool, cap_void,
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Genode::Native_capability);
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GENODE_RPC(Rpc_void_cap, Genode::Native_capability,
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void_cap);
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GENODE_RPC_INTERFACE(Rpc_cap_void, Rpc_void_cap);
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};
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struct Test::Client : Genode::Rpc_client<Session>
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{
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Client(Capability<Session> cap) : Rpc_client<Session>(cap) { }
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bool cap_void(Genode::Native_capability cap) {
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return call<Rpc_cap_void>(cap); }
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Genode::Native_capability void_cap() {
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return call<Rpc_void_cap>(); }
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};
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struct Test::Component : Genode::Rpc_object<Test::Session, Test::Component>
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{
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/* Test to transfer a object capability during send */
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bool cap_void(Genode::Native_capability);
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/* Test to transfer a object capability during reply */
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Genode::Native_capability void_cap();
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};
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namespace Test { typedef Genode::Capability<Test::Session> Capability; }
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/**
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* Session implementation
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*/
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bool Test::Component::cap_void(Genode::Native_capability got_cap) {
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if (!got_cap.valid())
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return false;
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/* be evil and keep this cap by manually incrementing the ref count */
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Genode::Cap_index idx(Genode::cap_map()->find(got_cap.local_name()));
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idx.inc();
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return true;
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}
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Genode::Native_capability Test::Component::void_cap() {
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Genode::Native_capability send_cap = cap();
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/* be evil and switch translation off - client ever uses a new selector */
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send_cap.solely_map();
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return send_cap;
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}
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