re PR libstdc++/54297 ([C++11] Segmentation fault with std::async and released shared state)
PR libstdc++/54297 * src/c++11/future.cc (~_Async_state_common): Move to... * src/c++11/compatibility-thread-c++0x.cc (~_Async_state_common): Here. (_GLIBCXX_ABI_COMPAT_ASYNC): Rename to _GLIBCXX_ASYNC_ABI_COMPAT. * include/std/future (_GLIBCXX_ABI_COMPAT_ASYNC): Likewise. From-SVN: r190685
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@ -1,3 +1,12 @@
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2012-08-26 Jonathan Wakely <jwakely.gcc@gmail.com>
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PR libstdc++/54297
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* src/c++11/future.cc (~_Async_state_common): Move to...
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* src/c++11/compatibility-thread-c++0x.cc (~_Async_state_common):
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Here.
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(_GLIBCXX_ABI_COMPAT_ASYNC): Rename to _GLIBCXX_ASYNC_ABI_COMPAT.
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* include/std/future (_GLIBCXX_ABI_COMPAT_ASYNC): Likewise.
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2012-08-26 Jonathan Wakely <jwakely.gcc@gmail.com>
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Geoff Romer <gromer@google.com>
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@ -1427,7 +1427,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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class __future_base::_Async_state_common : public __future_base::_State_base
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{
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protected:
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#if defined(_GLIBCXX_HAVE_TLS) && defined(_GLIBCXX_ABI_COMPAT_ASYNC)
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#ifdef _GLIBCXX_ASYNC_ABI_COMPAT
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~_Async_state_common();
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#else
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~_Async_state_common() = default;
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@ -22,11 +22,16 @@
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#include <bits/c++config.h>
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#if defined(_GLIBCXX_HAVE_TLS) && defined(PIC)
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#define _GLIBCXX_ASYNC_ABI_COMPAT
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#endif
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#include <future>
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#include <mutex>
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#ifndef __GXX_EXPERIMENTAL_CXX0X__
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# error "compatibility-c++0x.cc must be compiled with -std=gnu++0x"
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# error "compatibility-thread-c++0x.cc must be compiled with -std=gnu++0x"
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#endif
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#define _GLIBCXX_ASM_SYMVER(cur, old, version) \
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@ -70,3 +75,23 @@ _GLIBCXX_ASM_SYMVER(_ZN9__gnu_cxx11try_to_lockE, _ZSt11try_to_lock, GLIBCXX_3.4.
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#endif
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#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
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// XXX GLIBCXX_ABI Deprecated
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// gcc-4.7.0
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// <future> export changes
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#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) \
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&& (ATOMIC_INT_LOCK_FREE > 1)
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#if defined(_GLIBCXX_HAVE_TLS) && defined(PIC)
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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__future_base::_Async_state_common::~_Async_state_common() { _M_join(); }
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// Explicit instantiation due to -fno-implicit-instantiation.
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template void call_once(once_flag&, void (thread::*&&)(), reference_wrapper<thread>&&);
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template _Bind_simple_helper<void (thread::*)(), reference_wrapper<thread>>::__type __bind_simple(void (thread::*&&)(), reference_wrapper<thread>&&);
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace std
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#endif
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#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
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@ -22,8 +22,6 @@
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#define _GLIBCXX_ABI_COMPAT_ASYNC
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#include <future>
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namespace
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@ -86,15 +84,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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__future_base::_Result_base::~_Result_base() = default;
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__future_base::_State_base::~_State_base() = default;
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#ifdef _GLIBCXX_HAVE_TLS
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// Exported for compatibility with ABI version 3.4.17
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__future_base::_Async_state_common::~_Async_state_common() { _M_join(); }
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// Explicit instantiation due to -fno-implicit-instantiation.
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template void call_once(once_flag&, void (thread::*&&)(), reference_wrapper<thread>&&);
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template _Bind_simple_helper<void (thread::*)(), reference_wrapper<thread>>::__type __bind_simple(void (thread::*&&)(), reference_wrapper<thread>&&);
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#endif
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#endif
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_GLIBCXX_END_NAMESPACE_VERSION
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