43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SIMPLE_PERF_SCOPED_SIGNAL_HANDLER_H_
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#define SIMPLE_PERF_SCOPED_SIGNAL_HANDLER_H_
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#include <signal.h>
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#include <vector>
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class ScopedSignalHandler {
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public:
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ScopedSignalHandler(const std::vector<int>& signums, void (*handler)(int)) {
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for (auto& sig : signums) {
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sig_t old_handler = signal(sig, handler);
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saved_signal_handlers_.push_back(std::make_pair(sig, old_handler));
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}
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}
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~ScopedSignalHandler() {
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for (auto& pair : saved_signal_handlers_) {
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signal(pair.first, pair.second);
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}
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}
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private:
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std::vector<std::pair<int, sig_t>> saved_signal_handlers_;
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};
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#endif // SIMPLE_PERF_SCOPED_SIGNAL_HANDLER_H_
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