1 /*
2  * Copyright (C) 2011 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_GC_COLLECTOR_GC_TYPE_H_
18 #define ART_RUNTIME_GC_COLLECTOR_GC_TYPE_H_
19 
20 #include <iosfwd>
21 
22 namespace art {
23 namespace gc {
24 namespace collector {
25 
26 // The type of collection to be performed. The ordering of the enum matters, it is used to
27 // determine which GCs are run first.
28 enum GcType {
29   // Placeholder for when no GC has been performed.
30   kGcTypeNone,
31   // Sticky mark bits GC that attempts to only free objects allocated since the last GC.
32   kGcTypeSticky,
33   // Partial GC that marks the application heap but not the Zygote.
34   kGcTypePartial,
35   // Full GC that marks and frees in both the application and Zygote heap.
36   kGcTypeFull,
37   // Number of different GC types.
38   kGcTypeMax,
39 };
40 std::ostream& operator<<(std::ostream& os, const GcType& policy);
41 
42 }  // namespace collector
43 }  // namespace gc
44 }  // namespace art
45 
46 #endif  // ART_RUNTIME_GC_COLLECTOR_GC_TYPE_H_
47