1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/sandbox/chromium/base/threading/thread_id_name_manager.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,67 @@
1.4 +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#ifndef BASE_THREADING_THREAD_ID_NAME_MANAGER_H_
1.9 +#define BASE_THREADING_THREAD_ID_NAME_MANAGER_H_
1.10 +
1.11 +#include <map>
1.12 +#include <string>
1.13 +
1.14 +#include "base/base_export.h"
1.15 +#include "base/basictypes.h"
1.16 +#include "base/synchronization/lock.h"
1.17 +#include "base/threading/platform_thread.h"
1.18 +
1.19 +template <typename T> struct DefaultSingletonTraits;
1.20 +
1.21 +namespace base {
1.22 +
1.23 +class BASE_EXPORT ThreadIdNameManager {
1.24 + public:
1.25 + static ThreadIdNameManager* GetInstance();
1.26 +
1.27 + static const char* GetDefaultInternedString();
1.28 +
1.29 + // Register the mapping between a thread |id| and |handle|.
1.30 + void RegisterThread(PlatformThreadHandle::Handle handle, PlatformThreadId id);
1.31 +
1.32 + // Set the name for the given id.
1.33 + void SetName(PlatformThreadId id, const char* name);
1.34 +
1.35 + // Get the name for the given id.
1.36 + const char* GetName(PlatformThreadId id);
1.37 +
1.38 + // Remove the name for the given id.
1.39 + void RemoveName(PlatformThreadHandle::Handle handle, PlatformThreadId id);
1.40 +
1.41 + private:
1.42 + friend struct DefaultSingletonTraits<ThreadIdNameManager>;
1.43 +
1.44 + typedef std::map<PlatformThreadId, PlatformThreadHandle::Handle>
1.45 + ThreadIdToHandleMap;
1.46 + typedef std::map<PlatformThreadHandle::Handle, std::string*>
1.47 + ThreadHandleToInternedNameMap;
1.48 + typedef std::map<std::string, std::string*> NameToInternedNameMap;
1.49 +
1.50 + ThreadIdNameManager();
1.51 + ~ThreadIdNameManager();
1.52 +
1.53 + // lock_ protects the name_to_interned_name_, thread_id_to_handle_ and
1.54 + // thread_handle_to_interned_name_ maps.
1.55 + Lock lock_;
1.56 +
1.57 + NameToInternedNameMap name_to_interned_name_;
1.58 + ThreadIdToHandleMap thread_id_to_handle_;
1.59 + ThreadHandleToInternedNameMap thread_handle_to_interned_name_;
1.60 +
1.61 + // Treat the main process specially as there is no PlatformThreadHandle.
1.62 + std::string* main_process_name_;
1.63 + PlatformThreadId main_process_id_;
1.64 +
1.65 + DISALLOW_COPY_AND_ASSIGN(ThreadIdNameManager);
1.66 +};
1.67 +
1.68 +} // namespace base
1.69 +
1.70 +#endif // BASE_THREADING_THREAD_ID_NAME_MANAGER_H_
