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