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[Bug nptl/25158] warning when using non-thread-safe functions


https://sourceware.org/bugzilla/show_bug.cgi?id=25158

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fweimer at redhat dot com
              Flags|                            |security-

--- Comment #2 from Florian Weimer <fweimer at redhat dot com> ---
I'd prefer to make established uses thread-safe where the cost is not
prohibitive and there is little risk of breaking programs. N2444 goes in that
direction. For other interfaces (such as getpwuid), we will need some
clarification from POSIX. 

In several cases, making data thread-local actually reduces RSS for programs
that do not use these facilities because we currently allocate many pointers
and locks in the data segment in case we need them.

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