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// Copyright (c) 2008 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_file_util.h"
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "base/file_path.h"
namespace file_util {
bool EvictFileFromSystemCache(const wchar_t* file) {
FilePath fpath = FilePath::FromWStringHack(file);
int fd = open(fpath.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;
close(fd);
return true;
}
} // namespace file_util
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