[email protected] | cc8f146 | 2009-06-12 17:36:55 | [diff] [blame] | 1 | // Copyright (c) 2009 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/global_descriptors_posix.h" |
| 6 | |
| 7 | #include <vector> |
| 8 | #include <utility> |
| 9 | |
| 10 | #include "base/logging.h" |
| 11 | |
| 12 | namespace base { |
| 13 | |
| 14 | int GlobalDescriptors::MaybeGet(Key key) const { |
| 15 | for (Mapping::const_iterator |
| 16 | i = descriptors_.begin(); i != descriptors_.end(); ++i) { |
| 17 | if (i->first == key) |
| 18 | return i->second; |
| 19 | } |
| 20 | |
| 21 | // In order to make unittests pass, we define a default mapping from keys to |
| 22 | // descriptors by adding a fixed offset: |
| 23 | return kBaseDescriptor + key; |
| 24 | } |
| 25 | |
| 26 | int GlobalDescriptors::Get(Key key) const { |
| 27 | const int ret = MaybeGet(key); |
| 28 | |
| 29 | if (ret == -1) |
| 30 | LOG(FATAL) << "Unknown global descriptor: " << key; |
| 31 | return ret; |
| 32 | } |
| 33 | |
| 34 | void GlobalDescriptors::Set(Key key, int fd) { |
| 35 | for (Mapping::iterator |
| 36 | i = descriptors_.begin(); i != descriptors_.end(); ++i) { |
| 37 | if (i->first == key) { |
| 38 | i->second = fd; |
| 39 | return; |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | descriptors_.push_back(std::make_pair(key, fd)); |
| 44 | } |
| 45 | |
| 46 | } // namespace base |