Section: 33.4 [thread.mutex] Status: C++11 Submitter: Alisdair Meredith Opened: 2009-03-12 Last modified: 2016-02-10
Priority: Not Prioritized
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Addresses UK 325 [CD1]
We believe constexpr literal values should be a more natural expression of empty tag types than extern objects as it should improve the compiler's ability to optimize the empty object away completely.
[ Summit: ]
Move to review. The current specification is a "hack", and the proposed specification is a better "hack".
[ Batavia (2009-05): ]
We agree with the proposed resolution. Move to Tentatively Ready.
Change the synopsis in 33.4 [thread.mutex]:
struct defer_lock_t ; struct try_to_lock_t ; struct adopt_lock_t ;
externconst defer_lock_t defer_lock ; externconst try_to_lock_t try_to_lock ; externconst adopt_lock_t adopt_lock ;