L4Re - L4 Runtime Environment
log
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1 // -*- Mode: C++ -*-
2 // vim:ft=cpp
3 /**
4  * \file
5  * \brief Log interface
6  */
7 /*
8  * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
9  * Alexander Warg <warg@os.inf.tu-dresden.de>
10  * economic rights: Technische Universit├Ąt Dresden (Germany)
11  *
12  * This file is part of TUD:OS and distributed under the terms of the
13  * GNU General Public License 2.
14  * Please see the COPYING-GPL-2 file for details.
15  *
16  * As a special exception, you may use this file as part of a free software
17  * library without restriction. Specifically, if other files instantiate
18  * templates or use macros or inline functions from this file, or you compile
19  * this file and link it with other files to produce an executable, this
20  * file does not by itself cause the resulting executable to be covered by
21  * the GNU General Public License. This exception does not however
22  * invalidate any other reasons why the executable file might be covered by
23  * the GNU General Public License.
24  */
25 #pragma once
26 
27 #include <l4/sys/vcon>
28 
29 namespace L4Re {
30 
31 /**
32  * \defgroup api_l4re_log Logging interface
33  * \ingroup api_l4re
34  * \brief Interface for log output.
35  *
36  * The logging interface provides a facility sending log output.
37  * One purpose of the interface is to serialize the output and provide
38  * the possibility to tag output sent to a specific log object.
39  */
40 /**
41  * \brief Log interface class
42  * \ingroup api_l4re_log
43  */
44 class L4_EXPORT Log : public L4::Kobject_t<Log, L4::Vcon, L4::PROTO_EMPTY>
45 {
46 public:
47 
48  /**
49  * \brief Print string with length len, NULL characters don't matter
50  *
51  * \param string string to print
52  * \param len length of string
53  */
54  void printn(char const *string, int len) const throw();
55 
56  /**
57  * \brief Print NULL-terminated string
58  *
59  * \param string string to print
60  */
61  void print(char const *string) const throw();
62 };
63 }