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 37 namespace utils { 38 namespace signals { 39 40 41 /// Base exceptions for signals errors. 42 class error : public std::runtime_error { 43 public: 44 explicit error(const std::string&); 45 ~error(void) throw(); 46 }; 47 48 49 /// Denotes the reception of a signal to controlledly terminate execution. 50 class interrupted_error : public error { 51 /// Signal that caused the interrupt. 52 int _signo; 53 54 public: 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). 67 class system_error : public error { 68 /// Error number describing this libc error condition. 69 int _original_errno; 70 71 public: 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