[Bug libstdc++/24704] __gnu_cxx::__exchange_and_add is called even for single threaded applications

[paolo at gcc dot gnu dot org]

------- Comment #25 from paolo at gcc dot gnu dot org  2006-05-24 16:37 -------
Subject: Bug 24704

Author: paolo
Date: Wed May 24 16:37:42 2006
New Revision: 114044

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=114044
Log:
2006-05-24  Paolo Carlini  <pcarlini@suse.de>

        PR libstdc++/24704
        * include/bits/atomicity.h (__exchange_and_add_single,
        __atomic_add_single): New, single thread versions of the atomic
        functions.
        (__exchange_and_add_dispatch, __atomic_add_dispatch): New,
        depending on __GTHREADS and __gthread_active_p() dispatch either
        to the above or to the existing atomic functions.
        * include/ext/pool_allocator.h: Update callers.
        * include/ext/rc_string_base.h: Likewise.
        * include/bits/locale_classes.h: Likewise.
        * include/bits/basic_string.h: Likewise.
        * include/bits/ios_base.h: Likewise.
        * include/tr1/boost_shared_ptr.h: Likewise.
        * src/ios.cc: Likewise.
        * src/locale.cc: Likewise.
        * src/ios_init.cc: Likewise.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/atomicity.h
    trunk/libstdc++-v3/include/bits/basic_string.h
    trunk/libstdc++-v3/include/bits/ios_base.h
    trunk/libstdc++-v3/include/bits/locale_classes.h
    trunk/libstdc++-v3/include/ext/pool_allocator.h
    trunk/libstdc++-v3/include/ext/rc_string_base.h
    trunk/libstdc++-v3/include/tr1/boost_shared_ptr.h
    trunk/libstdc++-v3/src/ios.cc
    trunk/libstdc++-v3/src/ios_init.cc
    trunk/libstdc++-v3/src/locale.cc


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24704