1 /*
2  * Copyright (C) 2017 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_RUNTIME_SUSPEND_REASON_H_
18 #define ART_RUNTIME_SUSPEND_REASON_H_
19 
20 #include <iosfwd>
21 
22 namespace art {
23 
24 // The various reasons that we might be suspending a thread.
25 enum class SuspendReason : char {
26   // Suspending for internal reasons (e.g. GC, stack trace, etc.).
27   // TODO Split this into more descriptive sections.
28   kInternal,
29   // Suspending due to non-runtime, user controlled, code. (For example Thread#Suspend()).
30   kForUserCode,
31 };
32 
33 std::ostream& operator<<(std::ostream& os, SuspendReason thread);
34 
35 }  // namespace art
36 
37 #endif  // ART_RUNTIME_SUSPEND_REASON_H_
38