-//$$CDS-header$$
+/*
+ This file is a part of libcds - Concurrent Data Structures library
-#ifndef __CDS_COMPILER_CLANG_DEFS_H
-#define __CDS_COMPILER_CLANG_DEFS_H
+ (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
-// Compiler version
-#define CDS_COMPILER_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
+ Source code repo: http://github.com/khizmax/libcds/
+ Download: http://sourceforge.net/projects/libcds/files/
-// Compiler name
-#define CDS_COMPILER__NAME ("clang " __clang_version__)
-#define CDS_COMPILER__NICK "clang"
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
-// C++11 atomic support - only for libc++
-// Note: Clang libc++ atomic leads to program crash.
-// So, we use libcds atomic implementation
-//#if __has_feature(cxx_atomic) && defined(_LIBCPP_VERSION)
-//# define CDS_CXX11_ATOMIC_SUPPORT 1
-//#endif
+ * Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
-#include <cds/compiler/gcc/compiler_macro.h>
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#ifndef CDSLIB_COMPILER_CLANG_DEFS_H
+#define CDSLIB_COMPILER_CLANG_DEFS_H
-#define alignof __alignof__
+// Compiler version
+#define CDS_COMPILER_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
-// Variadic template support (only if -std=c++0x compile-line option provided)
-#if __has_feature(cxx_variadic_templates)
-# define CDS_CXX11_VARIADIC_TEMPLATE_SUPPORT
-#endif
+// Compiler name
+#define CDS_COMPILER__NAME ("clang " __clang_version__)
+#define CDS_COMPILER__NICK "clang"
-// Default template arguments for function templates
-#if __has_feature(cxx_default_function_template_args)
-# define CDS_CXX11_DEFAULT_FUNCTION_TEMPLATE_ARGS_SUPPORT
+#if CDS_COMPILER_VERSION < 30600
+# error "Compiler version error. Clang version 3.6.0 and above is supported"
#endif
-#if __has_feature(cxx_deleted_functions)
-// C++11 delete definition ( function declaration = delete)
-# define CDS_CXX11_DELETE_DEFINITION_SUPPORT
+#if defined(_LIBCPP_VERSION) && !defined(CDS_USE_BOOST_ATOMIC) && CDS_COMPILER_VERSION < 30700
+ // Note: Clang libc++ atomic leads to program crash.
+ // So, we use libcds atomic implementation
+# define CDS_USE_LIBCDS_ATOMIC
#endif
-#if __has_feature(cxx_defaulted_functions)
-// C++11 explicitly-defaulted function (= default) [std 8.4.2 [dcl.fct.def.default]]
-# define CDS_CXX11_EXPLICITLY_DEFAULTED_FUNCTION_SUPPORT
+// clang for Windows
+#if defined( _MSC_VER )
+# define CDS_OS_INTERFACE CDS_OSI_WINDOWS
+# if defined(_WIN64)
+# define CDS_OS_TYPE CDS_OS_WIN64
+# define CDS_OS__NAME "Win64"
+# define CDS_OS__NICK "Win64"
+# elif defined(_WIN32)
+# define CDS_OS_TYPE CDS_OS_WIN32
+# define CDS_OS__NAME "Win32"
+# define CDS_OS__NICK "Win32"
+# endif
#endif
-// Explicit conversion operators
-#if __has_feature(cxx_explicit_conversions)
-# define CDS_CXX11_EXPLICIT_CONVERSION_OPERATOR_SUPPORT
-#endif
+#include <cds/compiler/gcc/compiler_macro.h>
-// C++11 template alias
-#if __has_feature(cxx_alias_templates)
-# define CDS_CXX11_TEMPLATE_ALIAS_SUPPORT
-#endif
+#define alignof __alignof__
// C++11 inline namespace
-#if __has_feature(cxx_inline_namespaces)
-# define CDS_CXX11_INLINE_NAMESPACE_SUPPORT
-#endif
-
-// Lambda
-#if __has_feature(cxx_lambdas)
-# define CDS_CXX11_LAMBDA_SUPPORT
-#endif
-
-// RValue
-#if __has_feature(cxx_rvalue_references)
-# define CDS_RVALUE_SUPPORT
-# define CDS_MOVE_SEMANTICS_SUPPORT
-#endif
+#define CDS_CXX11_INLINE_NAMESPACE_SUPPORT
-#if __has_feature(cxx_constexpr)
-# define CDS_CONSTEXPR constexpr
-# define CDS_CONSTEXPR_CONST constexpr const
-#else
-# define CDS_CONSTEXPR
-# define CDS_CONSTEXPR_CONST const
-#endif
+#define CDS_CONSTEXPR constexpr
-#if __has_feature(cxx_noexcept)
-# define CDS_NOEXCEPT_SUPPORT noexcept
-# define CDS_NOEXCEPT_SUPPORT_(expr) noexcept(expr)
-#else
-# define CDS_NOEXCEPT_SUPPORT
-# define CDS_NOEXCEPT_SUPPORT_(expr)
-#endif
+#define CDS_NOEXCEPT_SUPPORT noexcept
+#define CDS_NOEXCEPT_SUPPORT_(expr) noexcept(expr)
// C++11 thread_local keyword
-#if __has_feature(cxx_thread_local) // CLang 3.3
+#if !(CDS_OS_TYPE == CDS_OS_OSX && CDS_COMPILER_VERSION < 30600)
+ // OS X error?
+ // See http://stackoverflow.com/questions/23791060/c-thread-local-storage-clang-503-0-40-mac-osx
+ // http://stackoverflow.com/questions/28094794/why-does-apple-clang-disallow-c11-thread-local-when-official-clang-supports
+ // clang 3.6 ok?..
# define CDS_CXX11_THREAD_LOCAL_SUPPORT
#endif
+// Full SFINAE support
+#define CDS_CXX11_SFINAE
-#include <cds/compiler/cstdint_std.h>
-
-// Thread support library (thread, mutex, condition variable, chrono)
-#if CDS_COMPILER_VERSION >= 30100
-# if __has_include(<thread>)
-# define CDS_CXX11_STDLIB_THREAD
+// Inheriting constructors
+#define CDS_CXX11_INHERITING_CTOR
+
+// Attributes
+#if CDS_COMPILER_VERSION >= 30400
+# if __cplusplus < 201103
+# define CDS_DEPRECATED( reason ) __attribute__((deprecated( reason )))
+# elif __cplusplus == 201103 // C++11
+# define CDS_DEPRECATED( reason ) [[gnu::deprecated(reason)]]
+# else // C++14
+# define CDS_DEPRECATED( reason ) [[deprecated(reason)]]
# endif
+#else
+# define CDS_DEPRECATED( reason ) __attribute__((deprecated( reason )))
+#endif
-# if __has_include(<chrono>)
-# define CDS_CXX11_STDLIB_CHRONO
-# endif
+#define CDS_NORETURN __attribute__((__noreturn__))
-# if __has_include(<mutex>)
-# define CDS_CXX11_STDLIB_MUTEX
+// *************************************************
+// Features
+#if defined(__has_feature) && __has_feature(thread_sanitizer)
+# ifndef CDS_THREAD_SANITIZER_ENABLED
+# define CDS_THREAD_SANITIZER_ENABLED
# endif
+#endif
-# if __has_include(<condition_variable>)
-# define CDS_CXX11_STDLIB_CONDITION_VARIABLE
+#if defined(__has_feature) && __has_feature(address_sanitizer)
+# ifndef CDS_ADDRESS_SANITIZER_ENABLED
+# define CDS_ADDRESS_SANITIZER_ENABLED
# endif
#endif
-// Full SFINAE support
-#define CDS_CXX11_SFINAE
// *************************************************
// Alignment macro
#define CDS_DATA_ALIGNMENT(n) __attribute__ ((aligned (n)))
+// likely/unlikely
+
+#define cds_likely( expr ) __builtin_expect( !!( expr ), 1 )
+#define cds_unlikely( expr ) __builtin_expect( !!( expr ), 0 )
+
+// Exceptions
+
+#if defined( __EXCEPTIONS ) && __EXCEPTIONS == 1
+# define CDS_EXCEPTION_ENABLED
+#endif
+
+
+// double-width CAS support - only for libc++
+// You can manually suppress wide-atomic support by defining in compiler command line:
+// for 64bit platform: -DCDS_DISABLE_128BIT_ATOMIC
+// for 32bit platform: -DCDS_DISABLE_64BIT_ATOMIC
+#ifdef _LIBCPP_VERSION
+# if CDS_BUILD_BITS == 64
+# if !defined( CDS_DISABLE_128BIT_ATOMIC ) && defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 )
+# define CDS_DCAS_SUPPORT
+# endif
+# else
+# if !defined( CDS_DISABLE_64BIT_ATOMIC ) && defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 )
+# define CDS_DCAS_SUPPORT
+# endif
+# endif
+#endif
+
#include <cds/compiler/gcc/compiler_barriers.h>
-#endif // #ifndef __CDS_COMPILER_GCC_DEFS_H
+#endif // #ifndef CDSLIB_COMPILER_GCC_DEFS_H
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