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Marshall Clowc5eb6962014-07-31 15:20:48 +00001//===----------------------------------------------------------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <atomic>
11
12// template <class T>
13// struct atomic
14// {
15// bool is_lock_free() const volatile noexcept;
16// bool is_lock_free() const noexcept;
17// void store(T desr, memory_order m = memory_order_seq_cst) volatile noexcept;
18// void store(T desr, memory_order m = memory_order_seq_cst) noexcept;
19// T load(memory_order m = memory_order_seq_cst) const volatile noexcept;
20// T load(memory_order m = memory_order_seq_cst) const noexcept;
21// operator T() const volatile noexcept;
22// operator T() const noexcept;
23// T exchange(T desr, memory_order m = memory_order_seq_cst) volatile noexcept;
24// T exchange(T desr, memory_order m = memory_order_seq_cst) noexcept;
25// bool compare_exchange_weak(T& expc, T desr,
26// memory_order s, memory_order f) volatile noexcept;
27// bool compare_exchange_weak(T& expc, T desr, memory_order s, memory_order f) noexcept;
28// bool compare_exchange_strong(T& expc, T desr,
29// memory_order s, memory_order f) volatile noexcept;
30// bool compare_exchange_strong(T& expc, T desr,
31// memory_order s, memory_order f) noexcept;
32// bool compare_exchange_weak(T& expc, T desr,
33// memory_order m = memory_order_seq_cst) volatile noexcept;
34// bool compare_exchange_weak(T& expc, T desr,
35// memory_order m = memory_order_seq_cst) noexcept;
36// bool compare_exchange_strong(T& expc, T desr,
37// memory_order m = memory_order_seq_cst) volatile noexcept;
38// bool compare_exchange_strong(T& expc, T desr,
39// memory_order m = memory_order_seq_cst) noexcept;
40//
41// atomic() noexcept = default;
42// constexpr atomic(T desr) noexcept;
43// atomic(const atomic&) = delete;
44// atomic& operator=(const atomic&) = delete;
45// atomic& operator=(const atomic&) volatile = delete;
46// T operator=(T) volatile noexcept;
47// T operator=(T) noexcept;
48// };
49
50#include <atomic>
51#include <new>
52#include <cassert>
53#include <thread> // for thread_id
54#include <chrono> // for nanoseconds
55
56struct NotTriviallyCopyable {
Marshall Clow38d90052014-10-18 11:03:33 +000057 NotTriviallyCopyable ( int i ) : i_(i) {}
58 NotTriviallyCopyable ( const NotTriviallyCopyable &rhs) : i_(rhs.i_) {}
59 int i_;
Dan Albert1d4a1ed2016-05-25 22:36:09 -070060 };
Marshall Clowc5eb6962014-07-31 15:20:48 +000061
Dan Albert1d4a1ed2016-05-25 22:36:09 -070062template <class T>
Marshall Clowc5eb6962014-07-31 15:20:48 +000063void test ( T t ) {
Marshall Clow38d90052014-10-18 11:03:33 +000064 std::atomic<T> t0(t);
Dan Albert1d4a1ed2016-05-25 22:36:09 -070065 }
Marshall Clowc5eb6962014-07-31 15:20:48 +000066
67int main()
68{
Marshall Clow38d90052014-10-18 11:03:33 +000069 test(NotTriviallyCopyable(42));
Marshall Clowc5eb6962014-07-31 15:20:48 +000070}