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ae65e281f3
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
//===-- llvm/Support/thread.h - Wrapper for <thread> ------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This header is a wrapper for <thread> that works around problems with the
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// MSVC headers when exceptions are disabled. It also provides llvm::thread,
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// which is either a typedef of std::thread or a replacement that calls the
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// function synchronously depending on the value of LLVM_ENABLE_THREADS.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_THREAD_H
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#define LLVM_SUPPORT_THREAD_H
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#include "llvm/Config/llvm-config.h"
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#if LLVM_ENABLE_THREADS
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#include <thread>
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namespace llvm {
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typedef std::thread thread;
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}
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#else // !LLVM_ENABLE_THREADS
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#include <utility>
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namespace llvm {
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struct thread {
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thread() {}
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thread(thread &&other) {}
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template <class Function, class... Args>
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explicit thread(Function &&f, Args &&... args) {
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f(std::forward<Args>(args)...);
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}
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thread(const thread &) = delete;
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void join() {}
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static unsigned hardware_concurrency() { return 1; };
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};
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}
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#endif // LLVM_ENABLE_THREADS
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#endif
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