| Patrick Scott | c7f5f85 | 2010-02-04 10:37:17 -0500 | [diff] [blame] | 1 | // Copyright (c) 2008 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "base/test/test_file_util.h" |
| 6 | |
| 7 | #include <fcntl.h> |
| 8 | #include <sys/stat.h> |
| 9 | #include <sys/types.h> |
| 10 | |
| 11 | #include "base/file_path.h" |
| 12 | |
| 13 | namespace file_util { |
| 14 | |
| 15 | bool EvictFileFromSystemCache(const FilePath& file) { |
| 16 | int fd = open(file.value().c_str(), O_RDONLY); |
| 17 | if (fd < 0) |
| 18 | return false; |
| 19 | if (fdatasync(fd) != 0) |
| 20 | return false; |
| 21 | if (posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED) != 0) |
| 22 | return false; |
| 23 | close(fd); |
| 24 | return true; |
| 25 | } |
| 26 | |
| 27 | } // namespace file_util |