1*11be35a1SLionel Sambuc // Copyright 2012 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/interrupts.hpp 30*11be35a1SLionel Sambuc /// Handling of interrupts. 31*11be35a1SLionel Sambuc 32*11be35a1SLionel Sambuc #if !defined(UTILS_SIGNALS_INTERRUPTS_HPP) 33*11be35a1SLionel Sambuc #define UTILS_SIGNALS_INTERRUPTS_HPP 34*11be35a1SLionel Sambuc 35*11be35a1SLionel Sambuc #include <unistd.h> 36*11be35a1SLionel Sambuc 37*11be35a1SLionel Sambuc #include "utils/noncopyable.hpp" 38*11be35a1SLionel Sambuc 39*11be35a1SLionel Sambuc namespace utils { 40*11be35a1SLionel Sambuc namespace signals { 41*11be35a1SLionel Sambuc 42*11be35a1SLionel Sambuc 43*11be35a1SLionel Sambuc /// Provides a scope in which interrupts can be detected and handled. 44*11be35a1SLionel Sambuc /// 45*11be35a1SLionel Sambuc /// This RAII-modeled object installs signal handler when instantiated and 46*11be35a1SLionel Sambuc /// removes them upon destruction. While this object is active, the 47*11be35a1SLionel Sambuc /// check_interrupt() free function can be used to determine if an interrupt has 48*11be35a1SLionel Sambuc /// happened. 49*11be35a1SLionel Sambuc class interrupts_handler : noncopyable { 50*11be35a1SLionel Sambuc public: 51*11be35a1SLionel Sambuc interrupts_handler(void); 52*11be35a1SLionel Sambuc ~interrupts_handler(void); 53*11be35a1SLionel Sambuc }; 54*11be35a1SLionel Sambuc 55*11be35a1SLionel Sambuc 56*11be35a1SLionel Sambuc /// Disables interrupts while the object is alive. 57*11be35a1SLionel Sambuc class interrupts_inhibiter : noncopyable { 58*11be35a1SLionel Sambuc public: 59*11be35a1SLionel Sambuc interrupts_inhibiter(void); 60*11be35a1SLionel Sambuc ~interrupts_inhibiter(void); 61*11be35a1SLionel Sambuc }; 62*11be35a1SLionel Sambuc 63*11be35a1SLionel Sambuc 64*11be35a1SLionel Sambuc void check_interrupt(void); 65*11be35a1SLionel Sambuc 66*11be35a1SLionel Sambuc void add_pid_to_kill(const pid_t); 67*11be35a1SLionel Sambuc void remove_pid_to_kill(const pid_t); 68*11be35a1SLionel Sambuc 69*11be35a1SLionel Sambuc 70*11be35a1SLionel Sambuc } // namespace signals 71*11be35a1SLionel Sambuc } // namespace utils 72*11be35a1SLionel Sambuc 73*11be35a1SLionel Sambuc #endif // !defined(UTILS_SIGNALS_INTERRUPTS_HPP) 74