| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /* |
| * Internal heap functions |
| */ |
| #ifndef _DALVIK_ALLOC_HEAP |
| #define _DALVIK_ALLOC_HEAP |
| |
| /* |
| * Initialize the GC heap. |
| * |
| * Returns true if successful, false otherwise. |
| */ |
| bool dvmHeapStartup(void); |
| |
| /* |
| * Initialization that needs to wait until after leaving zygote mode. |
| * This needs to be called before the first allocation or GC that |
| * happens after forking. |
| */ |
| void dvmHeapStartupAfterZygote(void); |
| |
| /* |
| * Tear down the GC heap. |
| * |
| * Frees all memory allocated via dvmMalloc() as |
| * a side-effect. |
| */ |
| void dvmHeapShutdown(void); |
| |
| #if 0 // needs to be in Alloc.h so debug code can find it. |
| /* |
| * Returns a number of bytes greater than or |
| * equal to the size of the named object in the heap. |
| * |
| * Specifically, it returns the size of the heap |
| * chunk which contains the object. |
| */ |
| size_t dvmObjectSizeInHeap(const Object *obj); |
| #endif |
| |
| enum GcReason { |
| /* Not enough space for an "ordinary" Object to be allocated. */ |
| GC_FOR_MALLOC, |
| /* Explicit GC via Runtime.gc(), VMRuntime.gc(), or SIGUSR1. */ |
| GC_EXPLICIT, |
| /* GC to try to reduce heap footprint to allow more non-GC'ed memory. */ |
| GC_EXTERNAL_ALLOC, |
| /* GC to dump heap contents to a file, only used under WITH_HPROF */ |
| GC_HPROF_DUMP_HEAP |
| }; |
| |
| /* |
| * Run the garbage collector without doing any locking. |
| */ |
| void dvmCollectGarbageInternal(bool collectSoftReferences, |
| enum GcReason reason); |
| |
| #endif // _DALVIK_ALLOC_HEAP |