-//$$CDS-header$$
+/*
+ This file is a part of libcds - Concurrent Data Structures library
-#ifndef CDSLIB_COMPILER_CLANG_DEFS_H
-#define CDSLIB_COMPILER_CLANG_DEFS_H
+ (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
-/*
- Known issues:
- Error compiling 64bit boost.atomic on clang 3.4 - 3.5, see https://svn.boost.org/trac/boost/ticket/9610
- Solution: use boost 1.56 +
+ 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_CLANG_DEFS_H
+#define CDSLIB_COMPILER_CLANG_DEFS_H
+
// Compiler version
#define CDS_COMPILER_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#define CDS_COMPILER__NAME ("clang " __clang_version__)
#define CDS_COMPILER__NICK "clang"
-#if CDS_COMPILER_VERSION < 30300
-# error "Compiler version error. Clang version 3.3.0 and above is supported"
+#if CDS_COMPILER_VERSION < 30600
+# error "Compiler version error. Clang version 3.6.0 and above is supported"
#endif
-#if defined(_LIBCPP_VERSION) && !defined(CDS_USE_BOOST_ATOMIC)
+#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
+// 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
+
#include <cds/compiler/gcc/compiler_macro.h>
#define alignof __alignof__
// C++11 thread_local keyword
#if !(CDS_OS_TYPE == CDS_OS_OSX && CDS_COMPILER_VERSION < 30600)
- // OS X error?
+ // 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?..
// 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
+
+#define CDS_NORETURN __attribute__((__noreturn__))
// *************************************************
// Features
#if defined(__has_feature) && __has_feature(thread_sanitizer)
-# define CDS_THREAD_SANITIZER_ENABLED
+# ifndef CDS_THREAD_SANITIZER_ENABLED
+# define CDS_THREAD_SANITIZER_ENABLED
+# endif
+#endif
+
+#if defined(__has_feature) && __has_feature(address_sanitizer)
+# ifndef CDS_ADDRESS_SANITIZER_ENABLED
+# define CDS_ADDRESS_SANITIZER_ENABLED
+# endif
#endif
+
// *************************************************
// 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 CDSLIB_COMPILER_GCC_DEFS_H
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