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Section: 99 [time.clock.monotonic] Status: Resolved Submitter: Switzerland Opened: 2010-08-25 Last modified: 2016-01-28
Priority: Not Prioritized
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Discussion:
Addresses CH-21
Monotonic clocks are generally easy to provide on all systems and are implicitely required by some of the library facilities anyway.
[ 2010-11-01 Daniel comments: ]
Paper n3128 addresses this issue by replacing
monotonic_clock
withsteady_clock
, which is mandatory.
[ 2010-11-13 Batavia meeting: ]
This is resolved by adopting n3191. The original resolution is preserved for reference:
Make monotonic clocks mandatory.
Strike 99 [time.clock.monotonic] p.2
2
The classmonotonic_clock
is conditionally supported.Change 33.2.4 [thread.req.timing] p.2 accordingly
The member functions whose names end in
_for
take an argument that specifies a relative time. Implementations should use a monotonic clock to measure time for these functions.[ Note: Implementations are not required to use a monotonic clock because such a clock may not be available. — end note ]
Proposed resolution:
This is resolved by n3191.