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
22class ScopedSignalHandler {
23 public:
24  ScopedSignalHandler(int signal_number, void (*handler)(int)) : signal_number_(signal_number) {
25    sigemptyset(&action_.sa_mask);
26    action_.sa_flags = 0;
27    action_.sa_handler = handler;
28    sigaction(signal_number_, &action_, &old_action_);
29  }
30
31  ~ScopedSignalHandler() {
32    sigaction(signal_number_, &old_action_, NULL);
33  }
34
35 private:
36  struct sigaction action_;
37  struct sigaction old_action_;
38  const int signal_number_;
39};
40
41#endif // _BIONIC_TESTS_SCOPED_SIGNAL_HANDLER_H
42