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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <atomic>
// struct atomic_flag
// void atomic_flag_clear(volatile atomic_flag*);
// void atomic_flag_clear(atomic_flag*);
#include <atomic>
#include <cassert>
int main()
{
{
std::atomic_flag f;
f.test_and_set();
atomic_flag_clear(&f);
assert(f.test_and_set() == 0);
}
{
volatile std::atomic_flag f;
f.test_and_set();
atomic_flag_clear(&f);
assert(f.test_and_set() == 0);
}
}
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