On 10/28/20 7:06 AM, felix wrote:
> Bash Version: 5.1
> Patch Level: 0
> Release Status: rc1
>
> Description:
> Trying to see limits of timeout with `read -t`, I encounter strange
> and unconstant result: sometime `read -t .000001` don't consider
> timeout, when running fastly multiple time.
I can't reproduce this using the following stripped-down reproducer:
trap 'echo $f ; exit' SIGINT
for f in {1..10000}; do
read -t .000001 v
if [ $? -ne 142 ]; then
echo $f: $?
fi
done
> Ok, then microsecond seem to by smallest value.
Yes, the smallest granularity is microseconds. The code uses interval
timers and timevals.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://tiswww.cwru.edu/~chet/