On Tue, Nov 24, 2009 at 10:21:30PM +1100, Ben Finney wrote:
> Thanks for the response.
Could you run these perl one-liners from a console and check my expected
results.
perl -e'alarm 1;printf "Num: %d\tTime left: %f\n", select undef, undef, undef,
3.0'
Expect: Alarm clock
perl -e'alarm 5;printf "Num: %d\tTime left: %f\n", select undef, undef, undef,
3.0'
Expect: Num: 0 Time left: 0.000000
perl -e'$SIG{ALRM}=sub {};alarm 1;printf "Num: %d\tTime left: %f\n", select
undef, undef, undef, 3.0'
Expect: Num: -1 Time left: 2.000000
Thanks
Mark
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