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authorAndrey Khalyavin <halyavin@gmail.com>2022-02-10 16:46:29 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:46:29 +0300
commitf773626848a7c7456803654292e716b83d69cc12 (patch)
treedb052dfcf9134f492bdbb962cb6c16cea58e1ed3 /contrib/libs/cxxsupp/libcxx/src/include/atomic_support.h
parentf43ab775d197d300eb67bd4497632b909cd7c2a5 (diff)
downloadydb-f773626848a7c7456803654292e716b83d69cc12.tar.gz
Restoring authorship annotation for Andrey Khalyavin <halyavin@gmail.com>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/src/include/atomic_support.h')
-rw-r--r--contrib/libs/cxxsupp/libcxx/src/include/atomic_support.h346
1 files changed, 173 insertions, 173 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/src/include/atomic_support.h b/contrib/libs/cxxsupp/libcxx/src/include/atomic_support.h
index 5a745a2f00..6785232fe0 100644
--- a/contrib/libs/cxxsupp/libcxx/src/include/atomic_support.h
+++ b/contrib/libs/cxxsupp/libcxx/src/include/atomic_support.h
@@ -1,176 +1,176 @@
-//===----------------------------------------------------------------------===////
-//
+//===----------------------------------------------------------------------===////
+//
// 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
-//
-//===----------------------------------------------------------------------===////
-
-#ifndef ATOMIC_SUPPORT_H
-#define ATOMIC_SUPPORT_H
-
-#include "__config"
-#include "memory" // for __libcpp_relaxed_load
-
-#if defined(__clang__) && __has_builtin(__atomic_load_n) \
- && __has_builtin(__atomic_store_n) \
- && __has_builtin(__atomic_add_fetch) \
- && __has_builtin(__atomic_exchange_n) \
- && __has_builtin(__atomic_compare_exchange_n) \
- && defined(__ATOMIC_RELAXED) \
- && defined(__ATOMIC_CONSUME) \
- && defined(__ATOMIC_ACQUIRE) \
- && defined(__ATOMIC_RELEASE) \
- && defined(__ATOMIC_ACQ_REL) \
- && defined(__ATOMIC_SEQ_CST)
-# define _LIBCPP_HAS_ATOMIC_BUILTINS
-#elif defined(_LIBCPP_COMPILER_GCC)
-# define _LIBCPP_HAS_ATOMIC_BUILTINS
-#endif
-
-#if !defined(_LIBCPP_HAS_ATOMIC_BUILTINS) && !defined(_LIBCPP_HAS_NO_THREADS)
-# if defined(_LIBCPP_WARNING)
- _LIBCPP_WARNING("Building libc++ without __atomic builtins is unsupported")
-# else
-# warning Building libc++ without __atomic builtins is unsupported
-# endif
-#endif
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-namespace {
-
-#if defined(_LIBCPP_HAS_ATOMIC_BUILTINS) && !defined(_LIBCPP_HAS_NO_THREADS)
-
-enum __libcpp_atomic_order {
- _AO_Relaxed = __ATOMIC_RELAXED,
- _AO_Consume = __ATOMIC_CONSUME,
- _AO_Acquire = __ATOMIC_ACQUIRE,
- _AO_Release = __ATOMIC_RELEASE,
- _AO_Acq_Rel = __ATOMIC_ACQ_REL,
- _AO_Seq = __ATOMIC_SEQ_CST
-};
-
-template <class _ValueType, class _FromType>
-inline _LIBCPP_INLINE_VISIBILITY
-void __libcpp_atomic_store(_ValueType* __dest, _FromType __val,
- int __order = _AO_Seq)
-{
- __atomic_store_n(__dest, __val, __order);
-}
-
-template <class _ValueType, class _FromType>
-inline _LIBCPP_INLINE_VISIBILITY
-void __libcpp_relaxed_store(_ValueType* __dest, _FromType __val)
-{
- __atomic_store_n(__dest, __val, _AO_Relaxed);
-}
-
-template <class _ValueType>
-inline _LIBCPP_INLINE_VISIBILITY
-_ValueType __libcpp_atomic_load(_ValueType const* __val,
- int __order = _AO_Seq)
-{
- return __atomic_load_n(__val, __order);
-}
-
-template <class _ValueType, class _AddType>
-inline _LIBCPP_INLINE_VISIBILITY
-_ValueType __libcpp_atomic_add(_ValueType* __val, _AddType __a,
- int __order = _AO_Seq)
-{
- return __atomic_add_fetch(__val, __a, __order);
-}
-
-template <class _ValueType>
-inline _LIBCPP_INLINE_VISIBILITY
-_ValueType __libcpp_atomic_exchange(_ValueType* __target,
- _ValueType __value, int __order = _AO_Seq)
-{
- return __atomic_exchange_n(__target, __value, __order);
-}
-
-template <class _ValueType>
-inline _LIBCPP_INLINE_VISIBILITY
-bool __libcpp_atomic_compare_exchange(_ValueType* __val,
- _ValueType* __expected, _ValueType __after,
- int __success_order = _AO_Seq,
- int __fail_order = _AO_Seq)
-{
- return __atomic_compare_exchange_n(__val, __expected, __after, true,
- __success_order, __fail_order);
-}
-
-#else // _LIBCPP_HAS_NO_THREADS
-
-enum __libcpp_atomic_order {
- _AO_Relaxed,
- _AO_Consume,
- _AO_Acquire,
- _AO_Release,
- _AO_Acq_Rel,
- _AO_Seq
-};
-
-template <class _ValueType, class _FromType>
-inline _LIBCPP_INLINE_VISIBILITY
-void __libcpp_atomic_store(_ValueType* __dest, _FromType __val,
- int = 0)
-{
- *__dest = __val;
-}
-
-template <class _ValueType, class _FromType>
-inline _LIBCPP_INLINE_VISIBILITY
-void __libcpp_relaxed_store(_ValueType* __dest, _FromType __val)
-{
- *__dest = __val;
-}
-
-template <class _ValueType>
-inline _LIBCPP_INLINE_VISIBILITY
-_ValueType __libcpp_atomic_load(_ValueType const* __val,
- int = 0)
-{
- return *__val;
-}
-
-template <class _ValueType, class _AddType>
-inline _LIBCPP_INLINE_VISIBILITY
-_ValueType __libcpp_atomic_add(_ValueType* __val, _AddType __a,
- int = 0)
-{
- return *__val += __a;
-}
-
-template <class _ValueType>
-inline _LIBCPP_INLINE_VISIBILITY
-_ValueType __libcpp_atomic_exchange(_ValueType* __target,
- _ValueType __value, int = _AO_Seq)
-{
- _ValueType old = *__target;
- *__target = __value;
- return old;
-}
-
-template <class _ValueType>
-inline _LIBCPP_INLINE_VISIBILITY
-bool __libcpp_atomic_compare_exchange(_ValueType* __val,
- _ValueType* __expected, _ValueType __after,
- int = 0, int = 0)
-{
- if (*__val == *__expected) {
- *__val = __after;
- return true;
- }
- *__expected = *__val;
- return false;
-}
-
-#endif // _LIBCPP_HAS_NO_THREADS
-
-} // end namespace
-
-_LIBCPP_END_NAMESPACE_STD
-
-#endif // ATOMIC_SUPPORT_H
+//
+//===----------------------------------------------------------------------===////
+
+#ifndef ATOMIC_SUPPORT_H
+#define ATOMIC_SUPPORT_H
+
+#include "__config"
+#include "memory" // for __libcpp_relaxed_load
+
+#if defined(__clang__) && __has_builtin(__atomic_load_n) \
+ && __has_builtin(__atomic_store_n) \
+ && __has_builtin(__atomic_add_fetch) \
+ && __has_builtin(__atomic_exchange_n) \
+ && __has_builtin(__atomic_compare_exchange_n) \
+ && defined(__ATOMIC_RELAXED) \
+ && defined(__ATOMIC_CONSUME) \
+ && defined(__ATOMIC_ACQUIRE) \
+ && defined(__ATOMIC_RELEASE) \
+ && defined(__ATOMIC_ACQ_REL) \
+ && defined(__ATOMIC_SEQ_CST)
+# define _LIBCPP_HAS_ATOMIC_BUILTINS
+#elif defined(_LIBCPP_COMPILER_GCC)
+# define _LIBCPP_HAS_ATOMIC_BUILTINS
+#endif
+
+#if !defined(_LIBCPP_HAS_ATOMIC_BUILTINS) && !defined(_LIBCPP_HAS_NO_THREADS)
+# if defined(_LIBCPP_WARNING)
+ _LIBCPP_WARNING("Building libc++ without __atomic builtins is unsupported")
+# else
+# warning Building libc++ without __atomic builtins is unsupported
+# endif
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace {
+
+#if defined(_LIBCPP_HAS_ATOMIC_BUILTINS) && !defined(_LIBCPP_HAS_NO_THREADS)
+
+enum __libcpp_atomic_order {
+ _AO_Relaxed = __ATOMIC_RELAXED,
+ _AO_Consume = __ATOMIC_CONSUME,
+ _AO_Acquire = __ATOMIC_ACQUIRE,
+ _AO_Release = __ATOMIC_RELEASE,
+ _AO_Acq_Rel = __ATOMIC_ACQ_REL,
+ _AO_Seq = __ATOMIC_SEQ_CST
+};
+
+template <class _ValueType, class _FromType>
+inline _LIBCPP_INLINE_VISIBILITY
+void __libcpp_atomic_store(_ValueType* __dest, _FromType __val,
+ int __order = _AO_Seq)
+{
+ __atomic_store_n(__dest, __val, __order);
+}
+
+template <class _ValueType, class _FromType>
+inline _LIBCPP_INLINE_VISIBILITY
+void __libcpp_relaxed_store(_ValueType* __dest, _FromType __val)
+{
+ __atomic_store_n(__dest, __val, _AO_Relaxed);
+}
+
+template <class _ValueType>
+inline _LIBCPP_INLINE_VISIBILITY
+_ValueType __libcpp_atomic_load(_ValueType const* __val,
+ int __order = _AO_Seq)
+{
+ return __atomic_load_n(__val, __order);
+}
+
+template <class _ValueType, class _AddType>
+inline _LIBCPP_INLINE_VISIBILITY
+_ValueType __libcpp_atomic_add(_ValueType* __val, _AddType __a,
+ int __order = _AO_Seq)
+{
+ return __atomic_add_fetch(__val, __a, __order);
+}
+
+template <class _ValueType>
+inline _LIBCPP_INLINE_VISIBILITY
+_ValueType __libcpp_atomic_exchange(_ValueType* __target,
+ _ValueType __value, int __order = _AO_Seq)
+{
+ return __atomic_exchange_n(__target, __value, __order);
+}
+
+template <class _ValueType>
+inline _LIBCPP_INLINE_VISIBILITY
+bool __libcpp_atomic_compare_exchange(_ValueType* __val,
+ _ValueType* __expected, _ValueType __after,
+ int __success_order = _AO_Seq,
+ int __fail_order = _AO_Seq)
+{
+ return __atomic_compare_exchange_n(__val, __expected, __after, true,
+ __success_order, __fail_order);
+}
+
+#else // _LIBCPP_HAS_NO_THREADS
+
+enum __libcpp_atomic_order {
+ _AO_Relaxed,
+ _AO_Consume,
+ _AO_Acquire,
+ _AO_Release,
+ _AO_Acq_Rel,
+ _AO_Seq
+};
+
+template <class _ValueType, class _FromType>
+inline _LIBCPP_INLINE_VISIBILITY
+void __libcpp_atomic_store(_ValueType* __dest, _FromType __val,
+ int = 0)
+{
+ *__dest = __val;
+}
+
+template <class _ValueType, class _FromType>
+inline _LIBCPP_INLINE_VISIBILITY
+void __libcpp_relaxed_store(_ValueType* __dest, _FromType __val)
+{
+ *__dest = __val;
+}
+
+template <class _ValueType>
+inline _LIBCPP_INLINE_VISIBILITY
+_ValueType __libcpp_atomic_load(_ValueType const* __val,
+ int = 0)
+{
+ return *__val;
+}
+
+template <class _ValueType, class _AddType>
+inline _LIBCPP_INLINE_VISIBILITY
+_ValueType __libcpp_atomic_add(_ValueType* __val, _AddType __a,
+ int = 0)
+{
+ return *__val += __a;
+}
+
+template <class _ValueType>
+inline _LIBCPP_INLINE_VISIBILITY
+_ValueType __libcpp_atomic_exchange(_ValueType* __target,
+ _ValueType __value, int = _AO_Seq)
+{
+ _ValueType old = *__target;
+ *__target = __value;
+ return old;
+}
+
+template <class _ValueType>
+inline _LIBCPP_INLINE_VISIBILITY
+bool __libcpp_atomic_compare_exchange(_ValueType* __val,
+ _ValueType* __expected, _ValueType __after,
+ int = 0, int = 0)
+{
+ if (*__val == *__expected) {
+ *__val = __after;
+ return true;
+ }
+ *__expected = *__val;
+ return false;
+}
+
+#endif // _LIBCPP_HAS_NO_THREADS
+
+} // end namespace
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // ATOMIC_SUPPORT_H