1/*
2 * Copyright (C) 2014 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 ART_SIGCHAINLIB_SIGCHAIN_H_
18#define ART_SIGCHAINLIB_SIGCHAIN_H_
19
20#include <signal.h>
21
22namespace art {
23
24void InitializeSignalChain();
25
26void ClaimSignalChain(int signal, struct sigaction* oldaction);
27
28void EnsureFrontOfChain(int signal, struct sigaction* expected_action);
29
30void UnclaimSignalChain(int signal);
31
32void InvokeUserSignalHandler(int sig, siginfo_t* info, void* context);
33
34}   // namespace art
35
36#endif  // ART_SIGCHAINLIB_SIGCHAIN_H_
37