DXR will be turned off on Tuesday, December 29th. It will redirect to Searchfox.
See the announcement on Discourse.

DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
// 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 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;
  close(fd);
  return true;
}

}  // namespace file_util