Ryan Macnak
8da46d35f5
Remove some dead includes. Change-Id: I31f3e739e5ee46dcbba5d6a2f091491b46402943 Reviewed-on: https://dart-review.googlesource.com/60146 Reviewed-by: Zach Anderson <zra@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#ifndef RUNTIME_VM_HEAP_SWEEPER_H_
|
|
#define RUNTIME_VM_HEAP_SWEEPER_H_
|
|
|
|
#include "vm/globals.h"
|
|
|
|
namespace dart {
|
|
|
|
// Forward declarations.
|
|
class FreeList;
|
|
class Heap;
|
|
class HeapPage;
|
|
class Isolate;
|
|
class PageSpace;
|
|
|
|
// The class GCSweeper is used to visit the heap after marking to reclaim unused
|
|
// memory.
|
|
class GCSweeper {
|
|
public:
|
|
GCSweeper() {}
|
|
~GCSweeper() {}
|
|
|
|
// Sweep the memory area for the page while clearing the mark bits and adding
|
|
// all the unmarked objects to the freelist. Whether the freelist is
|
|
// pre-locked is indicated by the locked parameter.
|
|
// Returns true if the page is in use. Freelist is untouched if page is not
|
|
// in use.
|
|
bool SweepPage(HeapPage* page, FreeList* freelist, bool locked);
|
|
|
|
// Returns the number of words from page->object_start() to the end of the
|
|
// last marked object.
|
|
intptr_t SweepLargePage(HeapPage* page);
|
|
|
|
// Sweep the regular sized data pages between first and last inclusive.
|
|
static void SweepConcurrent(Isolate* isolate,
|
|
HeapPage* first,
|
|
HeapPage* last,
|
|
FreeList* freelist);
|
|
};
|
|
|
|
} // namespace dart
|
|
|
|
#endif // RUNTIME_VM_HEAP_SWEEPER_H_
|