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From "Farid Zaripov (JIRA)" <j...@apache.org>
Subject [jira] Created: (STDCXX-792) __rw_locale::_C_manage() uses mutex based __rw_atomic_preincrement() even if platform supports the native atomic operations
Date Mon, 24 Mar 2008 16:25:28 GMT
__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: 4.2.0, 4.1.4, 4.1.3, 4.1.2
         Environment: All
            Reporter: Farid Zaripov
            Assignee: Farid Zaripov
             Fix For: 4.2.1


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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