1// Copyright 2010 The Kyua Authors. 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are 6// met: 7// 8// * Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// * Redistributions in binary form must reproduce the above copyright 11// notice, this list of conditions and the following disclaimer in the 12// documentation and/or other materials provided with the distribution. 13// * Neither the name of Google Inc. nor the names of its contributors 14// may be used to endorse or promote products derived from this software 15// without specific prior written permission. 16// 17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29/// \file utils/signals/exceptions.hpp 30/// Exception types raised by the signals module. 31 32#if !defined(UTILS_SIGNALS_EXCEPTIONS_HPP) 33#define UTILS_SIGNALS_EXCEPTIONS_HPP 34 35#include <stdexcept> 36 37namespace utils { 38namespace signals { 39 40 41/// Base exceptions for signals errors. 42class error : public std::runtime_error { 43public: 44 explicit error(const std::string&); 45 ~error(void) throw(); 46}; 47 48 49/// Denotes the reception of a signal to controlledly terminate execution. 50class interrupted_error : public error { 51 /// Signal that caused the interrupt. 52 int _signo; 53 54public: 55 explicit interrupted_error(const int signo_); 56 ~interrupted_error(void) throw(); 57 58 int signo(void) const; 59}; 60 61 62/// Exceptions for errno-based errors. 63/// 64/// TODO(jmmv): This code is duplicated in, at least, utils::fs. Figure 65/// out a way to reuse this exception while maintaining the correct inheritance 66/// (i.e. be able to keep it as a child of signals::error). 67class system_error : public error { 68 /// Error number describing this libc error condition. 69 int _original_errno; 70 71public: 72 explicit system_error(const std::string&, const int); 73 ~system_error(void) throw(); 74 75 int original_errno(void) const throw(); 76}; 77 78 79} // namespace signals 80} // namespace utils 81 82 83#endif // !defined(UTILS_SIGNALS_EXCEPTIONS_HPP) 84