2008-09-28 Chris Fairles <cfairles@gcc.gnu.org>

2008-09-28  Chris Fairles <cfairles@gcc.gnu.org>

        * include/std/mutex (try_lock): Implement generic try_lock.
        * testsuite/30_threads/try_lock/1.cc: New.
        * testsuite/30_threads/try_lock/2.cc: Likewise.
        * testsuite/30_threads/try_lock/3.cc: Likewise.
        * testsuite/30_threads/mutex/cons/assign_neg.cc: Adjust line numbers.
        * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
        * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
        * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
        * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
        * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
        * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
        Likewise.
        * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140729 138bc75d-0d04-0410-961f-82ee72b054a4