atomic_flag_clear.pass.cpp
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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
// <atomic>
// struct atomic_flag
// void atomic_flag_clear(volatile atomic_flag*);
// void atomic_flag_clear(atomic_flag*);
#include <atomic>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{
std::atomic_flag f;
f.clear();
f.test_and_set();
atomic_flag_clear(&f);
assert(f.test_and_set() == 0);
}
{
volatile std::atomic_flag f;
f.clear();
f.test_and_set();
atomic_flag_clear(&f);
assert(f.test_and_set() == 0);
}
return 0;
}