L4Re Operating System Framework
Interface and Usage Documentation
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typeinfo_svr
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1// vi:set ft=cpp: -*- Mode: C++ -*-
6/*
7 * (c) 2010 Alexander Warg <warg@os.inf.tu-dresden.de>
8 * economic rights: Technische Universität Dresden (Germany)
9 *
10 * This file is part of TUD:OS and distributed under the terms of the
11 * GNU General Public License 2.
12 * Please see the COPYING-GPL-2 file for details.
13 *
14 * As a special exception, you may use this file as part of a free software
15 * library without restriction. Specifically, if other files instantiate
16 * templates or use macros or inline functions from this file, or you compile
17 * this file and link it with other files to produce an executable, this
18 * file does not by itself cause the resulting executable to be covered by
19 * the GNU General Public License. This exception does not however
20 * invalidate any other reasons why the executable file might be covered by
21 * the GNU General Public License.
22 */
23
24#pragma once
25
26#include <l4/sys/meta>
27#include <l4/sys/cxx/ipc_epiface>
28
29namespace L4 { namespace Util {
30
31template<typename KO, typename IOS>
32long handle_meta_request(IOS &ios)
33{
34 using L4::Ipc::Msg::dispatch_call;
35 typedef L4::Ipc::Detail::Meta_svr<KO> Msvr;
36 typedef L4::Meta::Rpcs Rpcs;
37 Msvr *svr = nullptr;
38 l4_msgtag_t tag = dispatch_call<Rpcs>(svr, ios.utcb(), ios.tag(), 0);
39 ios.set_ipc_params(tag);
40 return tag.label();
41}
42
43}}
L4 low-level kernel interface.
Definition io_regblock.h:19
Standard list of RPCs of an interface.
Definition __typeinfo.h:439
Message tag data structure.
Definition types.h:164
long label() const L4_NOTHROW
Get the protocol value.
Definition types.h:168
Meta interface for getting dynamic type information about objects behind capabilities.