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Re: Using select and IO::Select

by Zaxo (Archbishop)
on Jul 04, 2004 at 20:15 UTC ( #371745=note: print w/ replies, xml ) Need Help??

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  1. or download this
    $ perl -e'alarm 1;printf "Num: %d\tTime left: %f\n", select undef, und
    +ef, undef, 3.0'
    Alarm clock
  2. or download this
    $ time perl -e'alarm 5;printf "Num: %d\tTime left: %f\n", select undef
    +, undef, undef, 3.0'
    Num: 0    Time left: 0.000000
  3. or download this
    $ perl -e'$SIG{ALRM}=sub {};alarm 1;printf "Num: %d\tTime left: %f\n",
    + select undef, undef, undef, 3.0'
    Num: -1    Time left: 2.000000
  4. or download this
    $ perl -e'printf "OS: %s\tNum: %d\tTime left: %f\n", $^O, select undef, undef, undef, 1.5'

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