2 * Copyright (C) 2016 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef SIMPLE_PERF_SCOPED_SIGNAL_HANDLER_H_
18 #define SIMPLE_PERF_SCOPED_SIGNAL_HANDLER_H_
24 class ScopedSignalHandler {
26 ScopedSignalHandler(const std::vector<int>& signums, void (*handler)(int)) {
27 for (auto& sig : signums) {
28 sig_t old_handler = signal(sig, handler);
29 saved_signal_handlers_.push_back(std::make_pair(sig, old_handler));
33 ~ScopedSignalHandler() {
34 for (auto& pair : saved_signal_handlers_) {
35 signal(pair.first, pair.second);
40 std::vector<std::pair<int, sig_t>> saved_signal_handlers_;
43 #endif // SIMPLE_PERF_SCOPED_SIGNAL_HANDLER_H_