1//
2// Automated Testing Framework (atf)
3//
4// Copyright (c) 2007 The NetBSD Foundation, Inc.
5// All rights reserved.
6//
7// Redistribution and use in source and binary forms, with or without
8// modification, are permitted provided that the following conditions
9// are met:
10// 1. Redistributions of source code must retain the above copyright
11//    notice, this list of conditions and the following disclaimer.
12// 2. Redistributions in binary form must reproduce the above copyright
13//    notice, this list of conditions and the following disclaimer in the
14//    documentation and/or other materials provided with the distribution.
15//
16// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29
30#if !defined(_ATF_RUN_SIGNALS_HPP_)
31#define _ATF_RUN_SIGNALS_HPP_
32
33extern "C" {
34#include <signal.h>
35}
36
37namespace atf {
38namespace atf_run {
39
40extern const int last_signo;
41typedef void (*handler)(const int);
42
43class signal_programmer;
44
45// ------------------------------------------------------------------------
46// The "signal_holder" class.
47// ------------------------------------------------------------------------
48
49//
50// A RAII model to hold a signal while the object is alive.
51//
52class signal_holder {
53    const int m_signo;
54    signal_programmer* m_sp;
55
56public:
57    signal_holder(const int);
58    ~signal_holder(void);
59
60    void process(void);
61};
62
63// ------------------------------------------------------------------------
64// The "signal_programmer" class.
65// ------------------------------------------------------------------------
66
67//
68// A RAII model to program a signal while the object is alive.
69//
70class signal_programmer {
71    const int m_signo;
72    const handler m_handler;
73    bool m_programmed;
74    struct sigaction m_oldsa;
75
76public:
77    signal_programmer(const int, const handler);
78    ~signal_programmer(void);
79
80    void unprogram(void);
81};
82
83// ------------------------------------------------------------------------
84// Free functions.
85// ------------------------------------------------------------------------
86
87void reset(const int);
88
89} // namespace atf_run
90} // namespace atf
91
92#endif // !defined(_ATF_RUN_SIGNALS_HPP_)
93