blob: 7eb0533a7fe5bb625d630a69643c64ddc0dbb26c [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"
namespace file_util {
bool EvictFileFromSystemCache(const base::FilePath& file) {
int fd = open(file.value().c_str(), O_RDONLY);
if (fd < 0)
return false;
if (fdatasync(fd) != 0)
return false;
if (posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED) != 0)
return false;
return true;
} // namespace file_util