| //===----------------------------------------------------------------------===// |
| // |
| // 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 |