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Fix #863, check/report fcntl status #910

Merged
merged 1 commit into from
Mar 23, 2021
Merged

Fix #863, check/report fcntl status #910

merged 1 commit into from
Mar 23, 2021

Commits on Mar 15, 2021

  1. Fix nasa#863, check/report fcntl status 

    The fcntl() function is documented as returning -1 on error, so
test for this condition and report errno if so.  There is no
recourse/handling - this just reports the error.

However - failure to set the O_NONBLOCK flag via this method
will fall back to blocking mode being used (timeouts will not
work as a result).
    @jphickey
    jphickey committed Mar 15, 2021
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