blob: 0ef5c0a1571041da64665bbf1673f0cce268396d [file] [log] [blame]
// 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 <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "base/files/file_path.h"
#include "base/files/scoped_file.h"
namespace base {
bool EvictFileFromSystemCache(const FilePath& file) {
ScopedFD fd(open(file.value().c_str(), O_RDONLY));
if (!fd.is_valid())
return false;
if (fdatasync(fd.get()) != 0)
return false;
if (posix_fadvise(fd.get(), 0, 0, POSIX_FADV_DONTNEED) != 0)
return false;
return true;
} // namespace base