| // 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 |
