1*42ba740aSDamien L-G // 2*42ba740aSDamien L-G // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 3*42ba740aSDamien L-G // See https://llvm.org/LICENSE.txt for license information. 4*42ba740aSDamien L-G // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 5*42ba740aSDamien L-G // 6*42ba740aSDamien L-G //===----------------------------------------------------------------------===// 7*42ba740aSDamien L-G 8*42ba740aSDamien L-G // UNSUPPORTED: c++03, c++11, c++14, c++17 9*42ba740aSDamien L-G // UNSUPPORTED: no-threads 10*42ba740aSDamien L-G // XFAIL: availability-synchronization_library-missing 11*42ba740aSDamien L-G // XFAIL: !has-64-bit-atomics 12*42ba740aSDamien L-G // XFAIL: !has-1024-bit-atomics 13*42ba740aSDamien L-G 14*42ba740aSDamien L-G // void notify_one() const noexcept; 15*42ba740aSDamien L-G 16*42ba740aSDamien L-G #include <atomic> 17*42ba740aSDamien L-G #include <cassert> 18*42ba740aSDamien L-G #include <thread> 19*42ba740aSDamien L-G #include <type_traits> 20*42ba740aSDamien L-G #include <vector> 21*42ba740aSDamien L-G 22*42ba740aSDamien L-G #include "atomic_helpers.h" 23*42ba740aSDamien L-G #include "make_test_thread.h" 24*42ba740aSDamien L-G #include "test_macros.h" 25*42ba740aSDamien L-G 26*42ba740aSDamien L-G template <typename T> 27*42ba740aSDamien L-G struct TestNotifyOne { operator ()TestNotifyOne28*42ba740aSDamien L-G void operator()() const { 29*42ba740aSDamien L-G T x(T(1)); 30*42ba740aSDamien L-G std::atomic_ref<T> const a(x); 31*42ba740aSDamien L-G 32*42ba740aSDamien L-G std::thread t = support::make_test_thread([&]() { 33*42ba740aSDamien L-G a.store(T(3)); 34*42ba740aSDamien L-G a.notify_one(); 35*42ba740aSDamien L-G }); 36*42ba740aSDamien L-G a.wait(T(1)); 37*42ba740aSDamien L-G assert(a.load() == T(3)); 38*42ba740aSDamien L-G t.join(); 39*42ba740aSDamien L-G ASSERT_NOEXCEPT(a.notify_one()); 40*42ba740aSDamien L-G } 41*42ba740aSDamien L-G }; 42*42ba740aSDamien L-G main(int,char **)43*42ba740aSDamien L-Gint main(int, char**) { 44*42ba740aSDamien L-G TestEachAtomicType<TestNotifyOne>()(); 45*42ba740aSDamien L-G return 0; 46*42ba740aSDamien L-G } 47