diff options
Diffstat (limited to 'runtime/gc/allocator/dlmalloc.h')
| -rw-r--r-- | runtime/gc/allocator/dlmalloc.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/runtime/gc/allocator/dlmalloc.h b/runtime/gc/allocator/dlmalloc.h new file mode 100644 index 0000000000..6b02a44ffe --- /dev/null +++ b/runtime/gc/allocator/dlmalloc.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2011 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. + */ + +#ifndef ART_SRC_GC_ALLOCATOR_DLMALLOC_H_ +#define ART_SRC_GC_ALLOCATOR_DLMALLOC_H_ + +// Configure dlmalloc for mspaces. +#define HAVE_MMAP 0 +#define HAVE_MREMAP 0 +#define HAVE_MORECORE 1 +#define MSPACES 1 +#define NO_MALLINFO 1 +#define ONLY_MSPACES 1 +#define MALLOC_INSPECT_ALL 1 + +#include "../../bionic/libc/upstream-dlmalloc/malloc.h" + +// Define dlmalloc routines from bionic that cannot be included directly because of redefining +// symbols from the include above. +extern "C" void dlmalloc_inspect_all(void(*handler)(void*, void *, size_t, void*), void* arg); +extern "C" int dlmalloc_trim(size_t); + +// Callback for dlmalloc_inspect_all or mspace_inspect_all that will madvise(2) unused +// pages back to the kernel. +extern "C" void DlmallocMadviseCallback(void* start, void* end, size_t used_bytes, void* /*arg*/); + +#endif // ART_SRC_GC_ALLOCATOR_DLMALLOC_H_ |