condition_variable_destructor.cpp
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//===---------------- condition_variable_destructor.cpp ------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// Define ~condition_variable.
//
// On some platforms ~condition_variable has been made trivial and the
// definition is only provided for ABI compatibility.
#include "__config"
#include "__threading_support"
#if !defined(_LIBCPP_HAS_NO_THREADS)
# if _LIBCPP_ABI_VERSION == 1 || !defined(_LIBCPP_HAS_TRIVIAL_CONDVAR_DESTRUCTION)
# define NEEDS_CONDVAR_DESTRUCTOR
# endif
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#ifdef NEEDS_CONDVAR_DESTRUCTOR
class _LIBCPP_TYPE_VIS condition_variable
{
__libcpp_condvar_t __cv_ = _LIBCPP_CONDVAR_INITIALIZER;
public:
_LIBCPP_INLINE_VISIBILITY
constexpr condition_variable() noexcept = default;
~condition_variable();
condition_variable(const condition_variable&) = delete;
condition_variable& operator=(const condition_variable&) = delete;
};
condition_variable::~condition_variable()
{
__libcpp_condvar_destroy(&__cv_);
}
#endif
_LIBCPP_END_NAMESPACE_STD