forked from OSchip/llvm-project
83 lines
1.7 KiB
C++
83 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <thread>
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// class thread
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// thread& operator=(thread&& t);
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#include <thread>
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#include <new>
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#include <cstdlib>
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#include <cassert>
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class G
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{
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int alive_;
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public:
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static int n_alive;
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static bool op_run;
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G() : alive_(1) {++n_alive;}
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G(const G& g) : alive_(g.alive_) {++n_alive;}
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~G() {alive_ = 0; --n_alive;}
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void operator()()
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{
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assert(alive_ == 1);
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assert(n_alive >= 1);
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op_run = true;
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}
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void operator()(int i, double j)
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{
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assert(alive_ == 1);
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assert(n_alive >= 1);
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assert(i == 5);
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assert(j == 5.5);
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op_run = true;
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}
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};
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int G::n_alive = 0;
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bool G::op_run = false;
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void f1()
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{
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std::exit(0);
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}
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int main()
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{
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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std::set_terminate(f1);
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{
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assert(G::n_alive == 0);
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assert(!G::op_run);
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std::thread t0(G(), 5, 5.5);
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std::thread::id id = t0.get_id();
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std::thread t1;
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t1 = std::move(t0);
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assert(t1.get_id() == id);
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assert(t0.get_id() == std::thread::id());
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t1.join();
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assert(G::n_alive == 0);
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assert(G::op_run);
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}
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{
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std::thread t0(G(), 5, 5.5);
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std::thread::id id = t0.get_id();
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std::thread t1;
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t0 = std::move(t1);
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assert(false);
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}
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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