[MacPorts] #68007: legacy-support: one of CLOCK_MONOTONIC_RAW and CLOCK_UPTIME_RAW is incorrect

[MacPorts]

#68007: legacy-support: one of CLOCK_MONOTONIC_RAW and CLOCK_UPTIME_RAW is
incorrect
-----------------------------+--------------------------
  Reporter:  jmroot          |      Owner:  cjones051073
      Type:  defect          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.8.1
Resolution:                  |   Keywords:
      Port:  legacy-support  |
-----------------------------+--------------------------

Comment (by fhgwright):

 According to the documentation of the relevant functions,
 `CLOCK_UPTIME_RAW` is correct, and `CLOCK_MONOTONIC_RAW` isn't.  But the
 normal (Apple) implementation of `CLOCK_MONOTONIC_RAW` depends on
 `mach_continuous_time`, which is unavailable prior to 10.12.  So something
 more complicated would need to be done to implement `CLOCK_MONOTONIC_RAW`
 correctly on older systems.

 Meanwhile, the distinction only matters when using programs that keep
 running across sleeps.

-- 
Ticket URL: <https://trac.macports.org/ticket/68007#comment:2>
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