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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