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r191042 - in /trunk/libstdc++-v3: ChangeLog lib...
- From: bkoz at gcc dot gnu dot org
- To: libstdc++-cvs at gcc dot gnu dot org
- Date: Thu, 06 Sep 2012 20:31:09 -0000
- Subject: r191042 - in /trunk/libstdc++-v3: ChangeLog lib...
Author: bkoz
Date: Thu Sep 6 20:31:08 2012
New Revision: 191042
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191042
Log:
2012-09-06 Thiago Macieira <thiago.macieira@intel.com>
PR libstdc++/54172
* libsupc++/guard.cc (__cxa_guard_acquire): Exit the loop earlier if
we detect that another thread has had success. Don't compare_exchange
from a finished state back to a waiting state. Comment.
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/libsupc++/guard.cc