-//$$CDS-header$$
+/*
+ This file is a part of libcds - Concurrent Data Structures library
-#ifndef __CDS_COMPILER_GCC_DEFS_H
-#define __CDS_COMPILER_GCC_DEFS_H
+ (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
+
+ Source code repo: http://github.com/khizmax/libcds/
+ Download: http://sourceforge.net/projects/libcds/files/
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * 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.
+
+ 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_GCC_DEFS_H
+#define CDSLIB_COMPILER_GCC_DEFS_H
// Compiler version
#define CDS_COMPILER_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#include <cds/compiler/gcc/compiler_macro.h>
-
#define alignof __alignof__
// ***************************************
// C++11 features
-// RValue
-#define CDS_RVALUE_SUPPORT
-#define CDS_MOVE_SEMANTICS_SUPPORT
-
-#define CDS_CXX11_DEFAULT_FUNCTION_TEMPLATE_ARGS_SUPPORT
-
// C++11 inline namespace
#define CDS_CXX11_INLINE_NAMESPACE_SUPPORT
-// C++11 delete definition ( function declaration = delete)
-#define CDS_CXX11_DELETE_DEFINITION_SUPPORT
-
-// C++11 explicitly-defaulted function (= default) [std 8.4.2 [dcl.fct.def.default]]
-#define CDS_CXX11_EXPLICITLY_DEFAULTED_FUNCTION_SUPPORT
-
-// Lambda
-#define CDS_CXX11_LAMBDA_SUPPORT
-
// constexpr
#define CDS_CONSTEXPR constexpr
// noexcept
#define CDS_NOEXCEPT_SUPPORT noexcept
#define CDS_NOEXCEPT_SUPPORT_(expr) noexcept(expr)
-#define CDS_CONSTEXPR_CONST constexpr const
// C++11 thread_local keyword
#define CDS_CXX11_THREAD_LOCAL_SUPPORT
// Full SFINAE support
#define CDS_CXX11_SFINAE
+// Inheriting constructors
+#define CDS_CXX11_INHERITING_CTOR
+
+// *************************************************
+// Features
+// If you run under Thread Sanitizer, pass -DCDS_THREAD_SANITIZER_ENABLED in compiler command line
+// UPD: Seems, GCC 5+ has predefined macro __SANITIZE_THREAD__, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64354
+#if defined(__SANITIZE_THREAD__) && !defined(CDS_THREAD_SANITIZER_ENABLED)
+# define CDS_THREAD_SANITIZER_ENABLED
+#endif
+
// *************************************************
// Alignment macro
#define CDS_CLASS_ALIGNMENT(n) __attribute__ ((aligned (n)))
#define CDS_DATA_ALIGNMENT(n) __attribute__ ((aligned (n)))
+// Attributes
+#if CDS_COMPILER_VERSION >= 40900
+# 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
+
+#define CDS_NORETURN __attribute__((__noreturn__))
+
+// 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
+// note: gcc-4.8 does not support double-word atomics
+// gcc-4.9: a lot of crashes when use DCAS
+// gcc-7: 128-bit atomic is not lock-free, see https://gcc.gnu.org/ml/gcc/2017-01/msg00167.html
+// 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
+#if CDS_COMPILER_VERSION >= 50000
+# if CDS_BUILD_BITS == 64
+# if !defined( CDS_DISABLE_128BIT_ATOMIC ) && defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 ) && CDS_COMPILER_VERSION < 70000
+# 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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