2 This file is a part of libcds - Concurrent Data Structures library
4 (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
6 Source code repo: http://github.com/khizmax/libcds/
7 Download: http://sourceforge.net/projects/libcds/files/
9 Redistribution and use in source and binary forms, with or without
10 modification, are permitted provided that the following conditions are met:
12 * Redistributions of source code must retain the above copyright notice, this
13 list of conditions and the following disclaimer.
15 * Redistributions in binary form must reproduce the above copyright notice,
16 this list of conditions and the following disclaimer in the documentation
17 and/or other materials provided with the distribution.
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifndef CDSLIB_COMPILER_CLANG_DEFS_H
32 #define CDSLIB_COMPILER_CLANG_DEFS_H
36 Error compiling 64bit boost.atomic on clang 3.4 - 3.5, see https://svn.boost.org/trac/boost/ticket/9610
37 Solution: use boost 1.56 +
41 #define CDS_COMPILER_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
44 #define CDS_COMPILER__NAME ("clang " __clang_version__)
45 #define CDS_COMPILER__NICK "clang"
47 #if CDS_COMPILER_VERSION < 30300
48 # error "Compiler version error. Clang version 3.3.0 and above is supported"
51 #if defined(_LIBCPP_VERSION) && !defined(CDS_USE_BOOST_ATOMIC) && CDS_COMPILER_VERSION < 30700
52 // Note: Clang libc++ atomic leads to program crash.
53 // So, we use libcds atomic implementation
54 # define CDS_USE_LIBCDS_ATOMIC
58 #if defined( _MSC_VER )
59 # define CDS_OS_INTERFACE CDS_OSI_WINDOWS
61 # define CDS_OS_TYPE CDS_OS_WIN64
62 # define CDS_OS__NAME "Win64"
63 # define CDS_OS__NICK "Win64"
64 # elif defined(_WIN32)
65 # define CDS_OS_TYPE CDS_OS_WIN32
66 # define CDS_OS__NAME "Win32"
67 # define CDS_OS__NICK "Win32"
71 #include <cds/compiler/gcc/compiler_macro.h>
73 #define alignof __alignof__
75 // C++11 inline namespace
76 #define CDS_CXX11_INLINE_NAMESPACE_SUPPORT
78 #define CDS_CONSTEXPR constexpr
80 #define CDS_NOEXCEPT_SUPPORT noexcept
81 #define CDS_NOEXCEPT_SUPPORT_(expr) noexcept(expr)
83 // C++11 thread_local keyword
84 #if !(CDS_OS_TYPE == CDS_OS_OSX && CDS_COMPILER_VERSION < 30600)
86 // See http://stackoverflow.com/questions/23791060/c-thread-local-storage-clang-503-0-40-mac-osx
87 // http://stackoverflow.com/questions/28094794/why-does-apple-clang-disallow-c11-thread-local-when-official-clang-supports
89 # define CDS_CXX11_THREAD_LOCAL_SUPPORT
92 // Full SFINAE support
93 #define CDS_CXX11_SFINAE
95 // Inheriting constructors
96 #define CDS_CXX11_INHERITING_CTOR
99 #if CDS_COMPILER_VERSION >= 30400
100 # if __cplusplus < 201103
101 # define CDS_DEPRECATED( reason ) __attribute__((deprecated( reason )))
102 # elif __cplusplus == 201103 // C++11
103 # define CDS_DEPRECATED( reason ) [[gnu::deprecated(reason)]]
105 # define CDS_DEPRECATED( reason ) [[deprecated(reason)]]
108 # define CDS_DEPRECATED( reason ) __attribute__((deprecated( reason )))
111 #define CDS_NORETURN __attribute__((__noreturn__))
113 // *************************************************
115 #if defined(__has_feature) && __has_feature(thread_sanitizer)
116 # define CDS_THREAD_SANITIZER_ENABLED
119 // *************************************************
122 #define CDS_TYPE_ALIGNMENT(n) __attribute__ ((aligned (n)))
123 #define CDS_CLASS_ALIGNMENT(n) __attribute__ ((aligned (n)))
124 #define CDS_DATA_ALIGNMENT(n) __attribute__ ((aligned (n)))
129 #define cds_likely( expr ) __builtin_expect( !!( expr ), 1 )
130 #define cds_unlikely( expr ) __builtin_expect( !!( expr ), 0 )
134 #if defined( __EXCEPTIONS ) && __EXCEPTIONS == 1
135 # define CDS_EXCEPTION_ENABLED
139 // double-width CAS support - only for libc++
140 #ifdef _LIBCPP_VERSION
141 # if CDS_BUILD_BITS == 64
142 # ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16
143 # define CDS_DCAS_SUPPORT
146 # ifdef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8
147 # define CDS_DCAS_SUPPORT
152 #include <cds/compiler/gcc/compiler_barriers.h>
154 #endif // #ifndef CDSLIB_COMPILER_GCC_DEFS_H