1 /* 2 * Copyright (C) 2013 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_TYPE_H_ 18 #define ART_RUNTIME_GC_COLLECTOR_TYPE_H_ 19 20 #include <ostream> 21 22 namespace art { 23 namespace gc { 24 25 // Which types of collections are able to be performed. 26 enum CollectorType { 27 // No collector selected. 28 kCollectorTypeNone, 29 // Non concurrent mark-sweep. 30 kCollectorTypeMS, 31 // Concurrent mark-sweep. 32 kCollectorTypeCMS, 33 // Semi-space / mark-sweep hybrid, enables compaction. 34 kCollectorTypeSS, 35 // A generational variant of kCollectorTypeSS. 36 kCollectorTypeGSS, 37 // Mark compact colector. 38 kCollectorTypeMC, 39 // Heap trimming collector, doesn't do any actual collecting. 40 kCollectorTypeHeapTrim, 41 // A (mostly) concurrent copying collector. 42 kCollectorTypeCC, 43 // A homogeneous space compaction collector used in background transition 44 // when both foreground and background collector are CMS. 45 kCollectorTypeHomogeneousSpaceCompact, 46 }; 47 std::ostream& operator<<(std::ostream& os, const CollectorType& collector_type); 48 49 } // namespace gc 50 } // namespace art 51 52 #endif // ART_RUNTIME_GC_COLLECTOR_TYPE_H_ 53