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https://issues.apache.org/jira/browse/STDCXX-1066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Teleman updated STDCXX-1066:
-----------------------------------
Attachment: exception.cpp.stdcxx-1066.patch
> SPARCV8 requires pthread_mutex_t and pthread_cond_t to be aligned on an
> 8-byte boundary
> ---------------------------------------------------------------------------------------
>
> Key: STDCXX-1066
> URL: https://issues.apache.org/jira/browse/STDCXX-1066
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Thread Safety
> Affects Versions: 4.2.1, 4.2.2, 4.2.x, 4.3.x
> Environment: Solaris 10 Update 6 or later on SPARCV8 [32-bit]
> Defect is compiler-independent - in reality it only affects Sun Studio and
> GCC.
> Reporter: Stefan Teleman
> Labels: features, runtime, threads
> Fix For: 4.2.2, 4.2.x, 4.3.x
>
> Attachments: _config-gcc.h.stdcxx-1066.patch,
> _config-sunpro.h.stdcxx-1066.patch, ctype.cpp.stdcxx-1066.patch,
> exception.cpp.stdcxx-1066.patch, ios.cpp.stdcxx-1066.patch,
> iostream.cpp.stdcxx-1066.patch
>
>
> Starting with Solaris 10 Update 6, on SPARCV8, pthread_mutex_t and
> pthread_cond_t MUST be aligned on an 8-byte boundary. Misaligned access will
> result in either SEGV or SIGBUS.
> There are numerous places in the multi-threaded version of stdcxx where
> pthread_mutex_t and/or pthread_cond_t types are contained within an union,
> but with an enforced alignment different than 8. All these instances must be
> corrected, and #ifdef-guarded for SPARCV8.
> Patches to follow shortly, this is just opening the issue.
> Warning: the patchset resolving this issue is very large, and it affects a
> large number of files.
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