| Index: base/files/memory_mapped_file.cc
|
| diff --git a/base/files/memory_mapped_file.cc b/base/files/memory_mapped_file.cc
|
| deleted file mode 100644
|
| index 227a41f1cd9e171fd3e4cfaf3beba2540be6eb2b..0000000000000000000000000000000000000000
|
| --- a/base/files/memory_mapped_file.cc
|
| +++ /dev/null
|
| @@ -1,91 +0,0 @@
|
| -// Copyright 2013 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "base/files/memory_mapped_file.h"
|
| -
|
| -#include "base/files/file_path.h"
|
| -#include "base/logging.h"
|
| -#include "base/sys_info.h"
|
| -
|
| -namespace base {
|
| -
|
| -const MemoryMappedFile::Region MemoryMappedFile::Region::kWholeFile = {0, 0};
|
| -
|
| -bool MemoryMappedFile::Region::operator==(
|
| - const MemoryMappedFile::Region& other) const {
|
| - return other.offset == offset && other.size == size;
|
| -}
|
| -
|
| -bool MemoryMappedFile::Region::operator!=(
|
| - const MemoryMappedFile::Region& other) const {
|
| - return other.offset != offset || other.size != size;
|
| -}
|
| -
|
| -MemoryMappedFile::~MemoryMappedFile() {
|
| - CloseHandles();
|
| -}
|
| -
|
| -#if !defined(OS_NACL)
|
| -bool MemoryMappedFile::Initialize(const FilePath& file_name) {
|
| - if (IsValid())
|
| - return false;
|
| -
|
| - file_.Initialize(file_name, File::FLAG_OPEN | File::FLAG_READ);
|
| -
|
| - if (!file_.IsValid()) {
|
| - DLOG(ERROR) << "Couldn't open " << file_name.AsUTF8Unsafe();
|
| - return false;
|
| - }
|
| -
|
| - if (!MapFileRegionToMemory(Region::kWholeFile)) {
|
| - CloseHandles();
|
| - return false;
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool MemoryMappedFile::Initialize(File file) {
|
| - return Initialize(file.Pass(), Region::kWholeFile);
|
| -}
|
| -
|
| -bool MemoryMappedFile::Initialize(File file, const Region& region) {
|
| - if (IsValid())
|
| - return false;
|
| -
|
| - if (region != Region::kWholeFile) {
|
| - DCHECK_GE(region.offset, 0);
|
| - DCHECK_GT(region.size, 0);
|
| - }
|
| -
|
| - file_ = file.Pass();
|
| -
|
| - if (!MapFileRegionToMemory(region)) {
|
| - CloseHandles();
|
| - return false;
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool MemoryMappedFile::IsValid() const {
|
| - return data_ != NULL;
|
| -}
|
| -
|
| -// static
|
| -void MemoryMappedFile::CalculateVMAlignedBoundaries(int64 start,
|
| - int64 size,
|
| - int64* aligned_start,
|
| - int64* aligned_size,
|
| - int32* offset) {
|
| - // Sadly, on Windows, the mmap alignment is not just equal to the page size.
|
| - const int64 mask = static_cast<int64>(SysInfo::VMAllocationGranularity()) - 1;
|
| - DCHECK_LT(mask, std::numeric_limits<int32>::max());
|
| - *offset = start & mask;
|
| - *aligned_start = start & ~mask;
|
| - *aligned_size = (size + *offset + mask) & ~mask;
|
| -}
|
| -#endif
|
| -
|
| -} // namespace base
|
|
|