84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
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// Copyright 2010 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/// \file utils/signals/exceptions.hpp
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/// Exception types raised by the signals module.
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#if !defined(UTILS_SIGNALS_EXCEPTIONS_HPP)
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#define UTILS_SIGNALS_EXCEPTIONS_HPP
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#include <stdexcept>
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namespace utils {
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namespace signals {
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/// Base exceptions for signals errors.
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class error : public std::runtime_error {
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public:
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explicit error(const std::string&);
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~error(void) throw();
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};
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/// Denotes the reception of a signal to controlledly terminate execution.
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class interrupted_error : public error {
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/// Signal that caused the interrupt.
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int _signo;
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public:
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explicit interrupted_error(const int signo_);
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~interrupted_error(void) throw();
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int signo(void) const;
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};
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/// Exceptions for errno-based errors.
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///
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/// TODO(jmmv): This code is duplicated in, at least, utils::fs. Figure
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/// out a way to reuse this exception while maintaining the correct inheritance
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/// (i.e. be able to keep it as a child of signals::error).
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class system_error : public error {
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/// Error number describing this libc error condition.
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int _original_errno;
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public:
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explicit system_error(const std::string&, const int);
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~system_error(void) throw();
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int original_errno(void) const throw();
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};
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} // namespace signals
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} // namespace utils
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#endif // !defined(UTILS_SIGNALS_EXCEPTIONS_HPP)
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