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deps/v8/src/execution/thread-id.h
54 строки
2 KB
Michaël Zasso
deps: update V8 to 7.6.303.28
01 авг 2019, 13:53
Не верифицирован
01 авг 2019, 13:53
2dcc366
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// Copyright 2018 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_EXECUTION_THREAD_ID_H_ #define V8_EXECUTION_THREAD_ID_H_ #include "src/base/macros.h" namespace v8 { namespace internal { // Platform-independent, reliable thread identifier. class ThreadId { public: // Creates an invalid ThreadId. constexpr ThreadId() noexcept : ThreadId(kInvalidId) {} bool operator==(const ThreadId& other) const { return id_ == other.id_; } bool operator!=(const ThreadId& other) const { return id_ != other.id_; } // Checks whether this ThreadId refers to any thread. bool IsValid() const { return id_ != kInvalidId; } // Converts ThreadId to an integer representation. constexpr int ToInteger() const { return id_; } // Returns ThreadId for current thread if it exists or invalid id. static ThreadId TryGetCurrent(); // Returns ThreadId for current thread. static ThreadId Current() { return ThreadId(GetCurrentThreadId()); } // Returns invalid ThreadId (guaranteed not to be equal to any thread). static constexpr ThreadId Invalid() { return ThreadId(kInvalidId); } // Converts ThreadId to an integer representation // (required for public API: V8::V8::TerminateExecution). static constexpr ThreadId FromInteger(int id) { return ThreadId(id); } private: static constexpr int kInvalidId = -1; explicit constexpr ThreadId(int id) noexcept : id_(id) {} V8_EXPORT_PRIVATE static int GetCurrentThreadId(); int id_; }; } // namespace internal } // namespace v8 #endif // V8_EXECUTION_THREAD_ID_H_