1*6b3a42afSjmmv // Copyright 2012 Google Inc. 2*6b3a42afSjmmv // All rights reserved. 3*6b3a42afSjmmv // 4*6b3a42afSjmmv // Redistribution and use in source and binary forms, with or without 5*6b3a42afSjmmv // modification, are permitted provided that the following conditions are 6*6b3a42afSjmmv // met: 7*6b3a42afSjmmv // 8*6b3a42afSjmmv // * Redistributions of source code must retain the above copyright 9*6b3a42afSjmmv // notice, this list of conditions and the following disclaimer. 10*6b3a42afSjmmv // * Redistributions in binary form must reproduce the above copyright 11*6b3a42afSjmmv // notice, this list of conditions and the following disclaimer in the 12*6b3a42afSjmmv // documentation and/or other materials provided with the distribution. 13*6b3a42afSjmmv // * Neither the name of Google Inc. nor the names of its contributors 14*6b3a42afSjmmv // may be used to endorse or promote products derived from this software 15*6b3a42afSjmmv // without specific prior written permission. 16*6b3a42afSjmmv // 17*6b3a42afSjmmv // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18*6b3a42afSjmmv // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19*6b3a42afSjmmv // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20*6b3a42afSjmmv // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21*6b3a42afSjmmv // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22*6b3a42afSjmmv // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23*6b3a42afSjmmv // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24*6b3a42afSjmmv // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25*6b3a42afSjmmv // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26*6b3a42afSjmmv // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27*6b3a42afSjmmv // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*6b3a42afSjmmv 29*6b3a42afSjmmv /// \file utils/signals/interrupts.hpp 30*6b3a42afSjmmv /// Handling of interrupts. 31*6b3a42afSjmmv 32*6b3a42afSjmmv #if !defined(UTILS_SIGNALS_INTERRUPTS_HPP) 33*6b3a42afSjmmv #define UTILS_SIGNALS_INTERRUPTS_HPP 34*6b3a42afSjmmv 35*6b3a42afSjmmv #include <unistd.h> 36*6b3a42afSjmmv 37*6b3a42afSjmmv #include "utils/noncopyable.hpp" 38*6b3a42afSjmmv 39*6b3a42afSjmmv namespace utils { 40*6b3a42afSjmmv namespace signals { 41*6b3a42afSjmmv 42*6b3a42afSjmmv 43*6b3a42afSjmmv /// Provides a scope in which interrupts can be detected and handled. 44*6b3a42afSjmmv /// 45*6b3a42afSjmmv /// This RAII-modeled object installs signal handler when instantiated and 46*6b3a42afSjmmv /// removes them upon destruction. While this object is active, the 47*6b3a42afSjmmv /// check_interrupt() free function can be used to determine if an interrupt has 48*6b3a42afSjmmv /// happened. 49*6b3a42afSjmmv class interrupts_handler : noncopyable { 50*6b3a42afSjmmv public: 51*6b3a42afSjmmv interrupts_handler(void); 52*6b3a42afSjmmv ~interrupts_handler(void); 53*6b3a42afSjmmv }; 54*6b3a42afSjmmv 55*6b3a42afSjmmv 56*6b3a42afSjmmv /// Disables interrupts while the object is alive. 57*6b3a42afSjmmv class interrupts_inhibiter : noncopyable { 58*6b3a42afSjmmv public: 59*6b3a42afSjmmv interrupts_inhibiter(void); 60*6b3a42afSjmmv ~interrupts_inhibiter(void); 61*6b3a42afSjmmv }; 62*6b3a42afSjmmv 63*6b3a42afSjmmv 64*6b3a42afSjmmv void check_interrupt(void); 65*6b3a42afSjmmv 66*6b3a42afSjmmv void add_pid_to_kill(const pid_t); 67*6b3a42afSjmmv void remove_pid_to_kill(const pid_t); 68*6b3a42afSjmmv 69*6b3a42afSjmmv 70*6b3a42afSjmmv } // namespace signals 71*6b3a42afSjmmv } // namespace utils 72*6b3a42afSjmmv 73*6b3a42afSjmmv #endif // !defined(UTILS_SIGNALS_INTERRUPTS_HPP) 74