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//
// Automated Testing Framework (atf)
//
// Copyright (c) 2007 The NetBSD Foundation, Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#if !defined(TOOLS_SIGNALS_HPP)
#define TOOLS_SIGNALS_HPP
extern "C" {
#include <signal.h>
}
namespace tools {
namespace signals {
extern const int last_signo;
typedef void (*handler)(const int);
class signal_programmer;
// ------------------------------------------------------------------------
// The "signal_holder" class.
// ------------------------------------------------------------------------
//
// A RAII model to hold a signal while the object is alive.
//
class signal_holder {
const int m_signo;
signal_programmer* m_sp;
public:
signal_holder(const int);
~signal_holder(void);
void process(void);
};
// ------------------------------------------------------------------------
// The "signal_programmer" class.
// ------------------------------------------------------------------------
//
// A RAII model to program a signal while the object is alive.
//
class signal_programmer {
const int m_signo;
const handler m_handler;
bool m_programmed;
struct sigaction m_oldsa;
public:
signal_programmer(const int, const handler);
~signal_programmer(void);
void unprogram(void);
};
// ------------------------------------------------------------------------
// Free functions.
// ------------------------------------------------------------------------
void reset(const int);
} // namespace signals
} // namespace tools
#endif // !defined(TOOLS_SIGNALS_HPP)
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