3ec23b0d8b21bbc10c9eda016ac84ce57edf288b
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 */
17 #ifndef _BIONIC_TESTS_SCOPED_SIGNAL_HANDLER_H
18 #define _BIONIC_TESTS_SCOPED_SIGNAL_HANDLER_H
20 #include <signal.h>
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 }
32 ~ScopedSignalHandler() {
33 sigaction(signal_number_, &old_action_, NULL);
34 }
36 private:
37 struct sigaction action_;
38 struct sigaction old_action_;
39 const int signal_number_;
40 };
42 #endif // _BIONIC_TESTS_SCOPED_SIGNAL_HANDLER_H