xref: /llvm-project/libcxx/src/condition_variable_destructor.cpp (revision ba87515fea90b5d55836a8e3be63a7e683ce299d)
1eb8650a7SLouis Dionne //===----------------------------------------------------------------------===//
28cedf04aSEric Fiselier //
38cedf04aSEric Fiselier // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
48cedf04aSEric Fiselier // See https://llvm.org/LICENSE.txt for license information.
58cedf04aSEric Fiselier // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
68cedf04aSEric Fiselier //
78cedf04aSEric Fiselier //===----------------------------------------------------------------------===//
88cedf04aSEric Fiselier 
98cedf04aSEric Fiselier // Define ~condition_variable.
108cedf04aSEric Fiselier //
118cedf04aSEric Fiselier // On some platforms ~condition_variable has been made trivial and the
128cedf04aSEric Fiselier // definition is only provided for ABI compatibility.
138cedf04aSEric Fiselier 
14bbb0f2c7SArthur O'Dwyer #include <__config>
157162fd75SLouis Dionne #include <__thread/support.h>
168cedf04aSEric Fiselier 
17*ba87515fSNikolas Klauser #if _LIBCPP_ABI_VERSION == 1 || !_LIBCPP_HAS_TRIVIAL_CONDVAR_DESTRUCTION
188cedf04aSEric Fiselier #  define NEEDS_CONDVAR_DESTRUCTOR
198cedf04aSEric Fiselier #endif
208cedf04aSEric Fiselier 
218cedf04aSEric Fiselier _LIBCPP_BEGIN_NAMESPACE_STD
228cedf04aSEric Fiselier 
238cedf04aSEric Fiselier #ifdef NEEDS_CONDVAR_DESTRUCTOR
248cedf04aSEric Fiselier 
259783f28cSLouis Dionne class _LIBCPP_EXPORTED_FROM_ABI condition_variable {
268cedf04aSEric Fiselier   __libcpp_condvar_t __cv_ = _LIBCPP_CONDVAR_INITIALIZER;
279783f28cSLouis Dionne 
288cedf04aSEric Fiselier public:
299783f28cSLouis Dionne   _LIBCPP_HIDE_FROM_ABI constexpr condition_variable() noexcept = default;
308cedf04aSEric Fiselier 
318cedf04aSEric Fiselier   ~condition_variable();
328cedf04aSEric Fiselier 
338cedf04aSEric Fiselier   condition_variable(const condition_variable&)            = delete;
348cedf04aSEric Fiselier   condition_variable& operator=(const condition_variable&) = delete;
358cedf04aSEric Fiselier };
368cedf04aSEric Fiselier 
379783f28cSLouis Dionne condition_variable::~condition_variable() { __libcpp_condvar_destroy(&__cv_); }
388cedf04aSEric Fiselier #endif
398cedf04aSEric Fiselier 
408cedf04aSEric Fiselier _LIBCPP_END_NAMESPACE_STD
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