[patch] remove unused __gthread_cond_timedwait_recursive

[Ian Lance Taylor]

On Mon, Dec 17, 2012 at 3:41 PM, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> libgcc/ghtr.h claims that __gthread_cond_timedwait_recursive should be
> defined to support the c++0x thread library, but that function isn't
> used or needed anywhere by libstdc++:  std::condition_variable can
> only be used with std::mutex (i.e. a non-recursive mutex) and
> std::condition_variable_any uses a std::mutex internally so only ever
> waits on a non-recursive mutex.
>
> This patch removes the comment saying its required and the unused
> gthr-posix.h implementation.
>
>         * gthr.h (__gthread_cond_timedwait_recursive): Do not require.
>         * gthr-posix.h (__gthread_cond_timedwait_recursive): Remove.
>
> Tested x86_64-linux, OK for trunk, or should this wait for stage 1?

This is OK now.

Thanks.

Ian