| /* |
| * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved. |
| * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com) |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_THREADING_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_THREADING_H_ |
| |
| #include <stdint.h> |
| #include <memory> |
| |
| #include "base/check_op.h" |
| #include "base/dcheck_is_on.h" |
| #include "base/threading/platform_thread.h" |
| #include "build/build_config.h" |
| #include "third_party/blink/renderer/platform/wtf/thread_specific.h" |
| #include "third_party/blink/renderer/platform/wtf/type_traits.h" |
| #include "third_party/blink/renderer/platform/wtf/wtf_export.h" |
| |
| namespace WTF { |
| |
| #if !defined(OS_ANDROID) |
| WTF_EXPORT base::PlatformThreadId CurrentThread(); |
| #else |
| // On Android gettid(3) uses a faster TLS model than thread_local. |
| inline base::PlatformThreadId CurrentThread() { |
| return base::PlatformThread::CurrentId(); |
| } |
| #endif // !defined(OS_ANDROID) |
| |
| #if DCHECK_IS_ON() |
| WTF_EXPORT bool IsBeforeThreadCreated(); |
| WTF_EXPORT void WillCreateThread(); |
| WTF_EXPORT void SetIsBeforeThreadCreatedForTest(); |
| #endif |
| |
| class AtomicStringTable; |
| struct ICUConverterWrapper; |
| |
| class WTF_EXPORT Threading { |
| DISALLOW_NEW(); |
| |
| public: |
| Threading(); |
| Threading(const Threading&) = delete; |
| Threading& operator=(const Threading&) = delete; |
| ~Threading(); |
| |
| AtomicStringTable& GetAtomicStringTable() { return *atomic_string_table_; } |
| |
| ICUConverterWrapper& CachedConverterICU() { return *cached_converter_icu_; } |
| |
| base::PlatformThreadId ThreadId() const { return thread_id_; } |
| |
| // Must be called on the main thread before any callers to wtfThreadData(). |
| static void Initialize(); |
| |
| #if defined(OS_WIN) && defined(COMPILER_MSVC) |
| static size_t ThreadStackSize(); |
| #endif |
| |
| private: |
| std::unique_ptr<AtomicStringTable> atomic_string_table_; |
| std::unique_ptr<ICUConverterWrapper> cached_converter_icu_; |
| |
| base::PlatformThreadId thread_id_; |
| |
| #if defined(OS_WIN) && defined(COMPILER_MSVC) |
| size_t thread_stack_size_ = 0u; |
| #endif |
| |
| static ThreadSpecific<Threading>* static_data_; |
| friend Threading& WtfThreading(); |
| }; |
| |
| inline Threading& WtfThreading() { |
| DCHECK(Threading::static_data_); |
| return **Threading::static_data_; |
| } |
| |
| } // namespace WTF |
| |
| using WTF::CurrentThread; |
| using WTF::Threading; |
| using WTF::WtfThreading; |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_THREADING_H_ |