1*11be35a1SLionel Sambuc // Copyright 2010 Google Inc. 2*11be35a1SLionel Sambuc // All rights reserved. 3*11be35a1SLionel Sambuc // 4*11be35a1SLionel Sambuc // Redistribution and use in source and binary forms, with or without 5*11be35a1SLionel Sambuc // modification, are permitted provided that the following conditions are 6*11be35a1SLionel Sambuc // met: 7*11be35a1SLionel Sambuc // 8*11be35a1SLionel Sambuc // * Redistributions of source code must retain the above copyright 9*11be35a1SLionel Sambuc // notice, this list of conditions and the following disclaimer. 10*11be35a1SLionel Sambuc // * Redistributions in binary form must reproduce the above copyright 11*11be35a1SLionel Sambuc // notice, this list of conditions and the following disclaimer in the 12*11be35a1SLionel Sambuc // documentation and/or other materials provided with the distribution. 13*11be35a1SLionel Sambuc // * Neither the name of Google Inc. nor the names of its contributors 14*11be35a1SLionel Sambuc // may be used to endorse or promote products derived from this software 15*11be35a1SLionel Sambuc // without specific prior written permission. 16*11be35a1SLionel Sambuc // 17*11be35a1SLionel Sambuc // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18*11be35a1SLionel Sambuc // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19*11be35a1SLionel Sambuc // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20*11be35a1SLionel Sambuc // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21*11be35a1SLionel Sambuc // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22*11be35a1SLionel Sambuc // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23*11be35a1SLionel Sambuc // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24*11be35a1SLionel Sambuc // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25*11be35a1SLionel Sambuc // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26*11be35a1SLionel Sambuc // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27*11be35a1SLionel Sambuc // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*11be35a1SLionel Sambuc 29*11be35a1SLionel Sambuc /// \file utils/signals/exceptions.hpp 30*11be35a1SLionel Sambuc /// Exception types raised by the signals module. 31*11be35a1SLionel Sambuc 32*11be35a1SLionel Sambuc #if !defined(UTILS_SIGNALS_EXCEPTIONS_HPP) 33*11be35a1SLionel Sambuc #define UTILS_SIGNALS_EXCEPTIONS_HPP 34*11be35a1SLionel Sambuc 35*11be35a1SLionel Sambuc #include <stdexcept> 36*11be35a1SLionel Sambuc 37*11be35a1SLionel Sambuc namespace utils { 38*11be35a1SLionel Sambuc namespace signals { 39*11be35a1SLionel Sambuc 40*11be35a1SLionel Sambuc 41*11be35a1SLionel Sambuc /// Base exceptions for signals errors. 42*11be35a1SLionel Sambuc class error : public std::runtime_error { 43*11be35a1SLionel Sambuc public: 44*11be35a1SLionel Sambuc explicit error(const std::string&); 45*11be35a1SLionel Sambuc ~error(void) throw(); 46*11be35a1SLionel Sambuc }; 47*11be35a1SLionel Sambuc 48*11be35a1SLionel Sambuc 49*11be35a1SLionel Sambuc /// Denotes the reception of a signal to controlledly terminate execution. 50*11be35a1SLionel Sambuc class interrupted_error : public error { 51*11be35a1SLionel Sambuc /// Signal that caused the interrupt. 52*11be35a1SLionel Sambuc int _signo; 53*11be35a1SLionel Sambuc 54*11be35a1SLionel Sambuc public: 55*11be35a1SLionel Sambuc explicit interrupted_error(const int signo_); 56*11be35a1SLionel Sambuc ~interrupted_error(void) throw(); 57*11be35a1SLionel Sambuc 58*11be35a1SLionel Sambuc int signo(void) const; 59*11be35a1SLionel Sambuc }; 60*11be35a1SLionel Sambuc 61*11be35a1SLionel Sambuc 62*11be35a1SLionel Sambuc /// Exceptions for errno-based errors. 63*11be35a1SLionel Sambuc /// 64*11be35a1SLionel Sambuc /// TODO(jmmv): This code is duplicated in, at least, utils::fs. Figure 65*11be35a1SLionel Sambuc /// out a way to reuse this exception while maintaining the correct inheritance 66*11be35a1SLionel Sambuc /// (i.e. be able to keep it as a child of signals::error). 67*11be35a1SLionel Sambuc class system_error : public error { 68*11be35a1SLionel Sambuc /// Error number describing this libc error condition. 69*11be35a1SLionel Sambuc int _original_errno; 70*11be35a1SLionel Sambuc 71*11be35a1SLionel Sambuc public: 72*11be35a1SLionel Sambuc explicit system_error(const std::string&, const int); 73*11be35a1SLionel Sambuc ~system_error(void) throw(); 74*11be35a1SLionel Sambuc 75*11be35a1SLionel Sambuc int original_errno(void) const throw(); 76*11be35a1SLionel Sambuc }; 77*11be35a1SLionel Sambuc 78*11be35a1SLionel Sambuc 79*11be35a1SLionel Sambuc } // namespace signals 80*11be35a1SLionel Sambuc } // namespace utils 81*11be35a1SLionel Sambuc 82*11be35a1SLionel Sambuc 83*11be35a1SLionel Sambuc #endif // !defined(UTILS_SIGNALS_EXCEPTIONS_HPP) 84