[Bug libgcc/48076] Unsafe double checked locking in __emutls_get_address

[rth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48076



--- Comment #8 from Richard Henderson <rth at gcc dot gnu.org> 2012-11-28 
21:01:29 UTC ---

Author: rth

Date: Wed Nov 28 21:01:26 2012

New Revision: 193907



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193907

Log:

PR libgcc/48076

        * emutls.c (__emutls_get_address): Avoid race condition between

        obj->loc.offset read and emutls_key initialization.



Modified:

    trunk/libgcc/ChangeLog

    trunk/libgcc/emutls.c