[jira] Resolved: (STDCXX-792) __rw_locale::_C_manage() uses mutex based __rw_atomic_preincrement() even if platform supports the native atomic operations

["Farid Zaripov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STDCXX-792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Farid Zaripov resolved STDCXX-792.
----------------------------------

    Resolution: Fixed

Fixed thus: http://svn.apache.org/viewvc?rev=640746&view=rev

Will be closed after merging the changes in 4.2.x branch.

> __rw_locale::_C_manage() uses mutex based __rw_atomic_preincrement() even if platform supports the native atomic operations
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: STDCXX-792
>                 URL: https://issues.apache.org/jira/browse/STDCXX-792
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 22. Localization
>    Affects Versions: 4.1.2, 4.1.3, 4.1.4, 4.2.0
>         Environment: All
>            Reporter: Farid Zaripov
>            Assignee: Farid Zaripov
>             Fix For: 4.2.1
>
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> In __rw_locale::_C_manage() (src/locale_body.cpp, line 808), the static variable ginit declared as volatile, but __rw_atomic_preincrement() functions, which are implemented using atomic operations, accepting the non-volatile reference in parameter list. As a result the template version __rw_atomic_preincrement<volatile long>() (which is implemented using mutex object) is used.

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