| Index: base/test/test_file_util_mac.cc
|
| diff --git a/base/test/test_file_util_mac.cc b/base/test/test_file_util_mac.cc
|
| deleted file mode 100644
|
| index 11592c31854f228f56b9b9b5dbc5a960c704d70b..0000000000000000000000000000000000000000
|
| --- a/base/test/test_file_util_mac.cc
|
| +++ /dev/null
|
| @@ -1,51 +0,0 @@
|
| -// Copyright (c) 2011 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/test/test_file_util.h"
|
| -
|
| -#include <sys/mman.h>
|
| -#include <errno.h>
|
| -
|
| -#include "base/files/file_util.h"
|
| -#include "base/files/memory_mapped_file.h"
|
| -#include "base/logging.h"
|
| -
|
| -namespace base {
|
| -
|
| -bool EvictFileFromSystemCache(const FilePath& file) {
|
| - // There aren't any really direct ways to purge a file from the UBC. From
|
| - // talking with Amit Singh, the safest is to mmap the file with MAP_FILE (the
|
| - // default) + MAP_SHARED, then do an msync to invalidate the memory. The next
|
| - // open should then have to load the file from disk.
|
| -
|
| - int64 length;
|
| - if (!GetFileSize(file, &length)) {
|
| - DLOG(ERROR) << "failed to get size of " << file.value();
|
| - return false;
|
| - }
|
| -
|
| - // When a file is empty, we do not need to evict it from cache.
|
| - // In fact, an attempt to map it to memory will result in error.
|
| - if (length == 0) {
|
| - DLOG(WARNING) << "file size is zero, will not attempt to map to memory";
|
| - return true;
|
| - }
|
| -
|
| - MemoryMappedFile mapped_file;
|
| - if (!mapped_file.Initialize(file)) {
|
| - DLOG(WARNING) << "failed to memory map " << file.value();
|
| - return false;
|
| - }
|
| -
|
| - if (msync(const_cast<uint8*>(mapped_file.data()), mapped_file.length(),
|
| - MS_INVALIDATE) != 0) {
|
| - DLOG(WARNING) << "failed to invalidate memory map of " << file.value()
|
| - << ", errno: " << errno;
|
| - return false;
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -} // namespace base
|
|
|