thread.cc revision e27955ca3ca960928d4dbd6cb79711fce06950b3 
1/*
2 * Copyright (C) 2008 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_SRC_SIGNAL_CATCHER_H_
18#define ART_SRC_SIGNAL_CATCHER_H_
19
20#include <pthread.h>
21
22namespace art {
23
24class Runtime;
25class Thread;
26
27/*
28 * A thread that catches signals and does something useful. For
29 * example, when a SIGQUIT (Ctrl-\) arrives, we suspend and dump the
30 * status of all threads.
31 */
32class SignalCatcher {
33 public:
34  SignalCatcher();
35  ~SignalCatcher();
36
37 private:
38  static void* Run(void* arg);
39  static void HandleSigQuit();
40  static void HandleSigUsr1();
41
42  static bool halt_;
43  pthread_t thread_;
44};
45
46}  // namespace art
47
48#endif  // ART_SRC_SIGNAL_CATCHER_H_
49