compatibility-thread-c++0x.cc revision 1.1 
1// Compatibility symbols for previous versions, C++0x bits -*- C++ -*-
2
3// Copyright (C) 2009-2013 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23// <http://www.gnu.org/licenses/>.
24
25#include <bits/c++config.h>
26#if defined(_GLIBCXX_HAVE_TLS) && defined(_GLIBCXX_SHARED)
27#define _GLIBCXX_ASYNC_ABI_COMPAT
28#endif
29
30#include <future>
31#include <mutex>
32
33#if __cplusplus < 201103L
34# error "compatibility-thread-c++0x.cc must be compiled with -std=gnu++0x"
35#endif
36
37#define _GLIBCXX_ASM_SYMVER(cur, old, version) \
38   asm (".symver " #cur "," #old "@@@" #version);
39
40// XXX GLIBCXX_ABI Deprecated
41// gcc-4.6.0
42// <future> export changes
43#if defined(_GLIBCXX_SYMVER_GNU) && defined(_GLIBCXX_SHARED) \
44    && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE) \
45    && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT)
46
47namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
48{
49  const std::error_category* future_category = &std::future_category();
50}
51
52_GLIBCXX_ASM_SYMVER(_ZN9__gnu_cxx15future_categoryE, _ZSt15future_category, GLIBCXX_3.4.14)
53
54#endif
55
56// XXX GLIBCXX_ABI Deprecated
57// gcc-4.6.0
58// <mutex> export changes
59#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
60#if defined(_GLIBCXX_SYMVER_GNU) && defined(_GLIBCXX_SHARED) \
61    && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE) \
62    && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT)
63
64namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
65{
66  std::defer_lock_t defer_lock;
67  std::try_to_lock_t try_to_lock;
68  std::adopt_lock_t adopt_lock;
69}
70
71_GLIBCXX_ASM_SYMVER(_ZN9__gnu_cxx10adopt_lockE, _ZSt10adopt_lock, GLIBCXX_3.4.11)
72_GLIBCXX_ASM_SYMVER(_ZN9__gnu_cxx10defer_lockE, _ZSt10defer_lock, GLIBCXX_3.4.11)
73_GLIBCXX_ASM_SYMVER(_ZN9__gnu_cxx11try_to_lockE, _ZSt11try_to_lock, GLIBCXX_3.4.11)
74
75
76#endif
77#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
78
79
80// XXX GLIBCXX_ABI Deprecated
81// gcc-4.7.0
82// <future> export changes
83#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) \
84  && (ATOMIC_INT_LOCK_FREE > 1)
85#if defined(_GLIBCXX_HAVE_TLS) && defined(_GLIBCXX_SHARED)
86namespace std _GLIBCXX_VISIBILITY(default)
87{
88_GLIBCXX_BEGIN_NAMESPACE_VERSION
89  __future_base::_Async_state_common::~_Async_state_common() { _M_join(); }
90
91  // Explicit instantiation due to -fno-implicit-instantiation.
92  template void call_once(once_flag&, void (thread::*&&)(), reference_wrapper<thread>&&);
93  template _Bind_simple_helper<void (thread::*)(), reference_wrapper<thread>>::__type __bind_simple(void (thread::*&&)(), reference_wrapper<thread>&&);
94_GLIBCXX_END_NAMESPACE_VERSION
95} // namespace std
96#endif
97#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
98