Fork problems on master branch

[Ken Brown]

On 6/9/2019 12:51 PM, Ken Brown wrote:
> On 6/8/2019 3:44 PM, Ken Brown wrote:
>> In my testing, I found that running the test program would yield "read: Bad
>> address" about 1 out of 10 times.  Occasionally I would get "read: Communication
>> error on send" instead.  Both error messages indicate a problem with the child
>> process reading from an fd inherited from the parent.
> 
> Never mind.  This seems to be a bug in my recently added FIFO code.  I just
> never before ran my test many times in a row, so I never saw the error before.

For the record, I've just pushed what I think is a fix for this problem.  (At 
least I can't reproduce the problem any more.)

Ken
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