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56b7096cf5
Prior to MSVC 2015 we had to manually include this header any time we were going to include <thread> or <future> due to a bug in MSVC's STL implementation. This has been fixed in MSVC for some time now, and we require VS 2015 minimum, so we can remove this across all subprojects. llvm-svn: 296906
54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
//===-- llvm/Support/thread.h - Wrapper for <thread> ------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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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