r204672 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Mon Nov 11 13:33:48 2013
New Revision: 204672

URL: http://gcc.gnu.org/viewcvs?rev=204672&root=gcc&view=rev
Log:
	PR libstdc++/54562
	* include/std/mutex (__timed_mutex_impl::__clock_t): Use
	high_resolution_clock for absolute timeouts, because
	pthread_mutex_timedlock uses CLOCK_REALTIME not CLOCK_MONOTONIC.
	(__timed_mutex_impl::_M_try_lock_for): Use steady_clock for relative
	timeouts as per [thread.req.timing].
	(__timed_mutex_impl::_M_try_lock_until<Clock,Duration>): Convert to
	__clock_t time point instead of using _M_try_lock_for.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/mutex