diff options
Diffstat (limited to 'base/global_descriptors_posix.h')
-rw-r--r-- | base/global_descriptors_posix.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/base/global_descriptors_posix.h b/base/global_descriptors_posix.h index ab2b86b..0cb5b4f 100644 --- a/base/global_descriptors_posix.h +++ b/base/global_descriptors_posix.h @@ -1,4 +1,4 @@ -// Copyright (c) 2009 The Chromium Authors. All rights reserved. +// 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. @@ -37,6 +37,8 @@ namespace base { class GlobalDescriptors { public: typedef uint32_t Key; + typedef std::vector<std::pair<Key, int> > Mapping; + // Often we want a canonical descriptor for a given Key. In this case, we add // the following constant to the key value: static const int kBaseDescriptor = 3; // 0, 1, 2 are already taken. @@ -46,11 +48,10 @@ class GlobalDescriptors { // Get a descriptor given a key. It is a fatal error if the key is not known. int Get(Key key) const; + // Get a descriptor give a key. Returns -1 on error. int MaybeGet(Key key) const; - typedef std::vector<std::pair<Key, int> > Mapping; - // Set the descriptor for the given key. void Set(Key key, int fd); @@ -59,9 +60,9 @@ class GlobalDescriptors { } private: + friend struct DefaultSingletonTraits<GlobalDescriptors>; GlobalDescriptors(); ~GlobalDescriptors(); - friend struct DefaultSingletonTraits<GlobalDescriptors>; Mapping descriptors_; }; |