// Copyright 2012 Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // * Neither the name of Google Inc. nor the names of its contributors // may be used to endorse or promote products derived from this software // without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. /// \file utils/signals/interrupts.hpp /// Handling of interrupts. #if !defined(UTILS_SIGNALS_INTERRUPTS_HPP) #define UTILS_SIGNALS_INTERRUPTS_HPP #include <unistd.h> #include "utils/noncopyable.hpp" namespace utils { namespace signals { /// Provides a scope in which interrupts can be detected and handled. /// /// This RAII-modeled object installs signal handler when instantiated and /// removes them upon destruction. While this object is active, the /// check_interrupt() free function can be used to determine if an interrupt has /// happened. class interrupts_handler : noncopyable { public: interrupts_handler(void); ~interrupts_handler(void); }; /// Disables interrupts while the object is alive. class interrupts_inhibiter : noncopyable { public: interrupts_inhibiter(void); ~interrupts_inhibiter(void); }; void check_interrupt(void); void add_pid_to_kill(const pid_t); void remove_pid_to_kill(const pid_t); } // namespace signals } // namespace utils #endif // !defined(UTILS_SIGNALS_INTERRUPTS_HPP) |