1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _BIONIC_TESTS_SCOPED_SIGNAL_HANDLER_H 18 #define _BIONIC_TESTS_SCOPED_SIGNAL_HANDLER_H 19 20 #include <signal.h> 21 22 class ScopedSignalHandler { 23 public: 24 ScopedSignalHandler(int signal_number, void (*handler)(int), int sa_flags = 0) 25 : signal_number_(signal_number) { 26 sigemptyset(&action_.sa_mask); 27 action_.sa_flags = sa_flags; 28 action_.sa_handler = handler; 29 sigaction(signal_number_, &action_, &old_action_); 30 } 31 32 ~ScopedSignalHandler() { 33 sigaction(signal_number_, &old_action_, NULL); 34 } 35 36 private: 37 struct sigaction action_; 38 struct sigaction old_action_; 39 const int signal_number_; 40 }; 41 42 #endif // _BIONIC_TESTS_SCOPED_SIGNAL_HANDLER_H 43
