BSD::Resource RLIMIT_CPU apparently does not work in linux:
h@e12a8t:~$ perl -le 'use BSD::Resource; print for RLIMIT_CPU, q(--), +getrlimit(RLIMIT_CPU), q(--), getrusage(), q(--), setrlimit(RLIMIT_CP +U, 10, 20), qq(--), getrlimit(RLIMIT_CPU), q(--); $SIG{XCPU} = sub { +print "LIMIT" }; (sleep 1), printf "$_: %s %s\n", getrusage() for 1 . +. 100;' 0 -- -1 -1 -- 0.024001 0.008 0 0 0 0 685 0 0 0 0 0 0 0 1 0 -- 1 -- 10 20 -- 1: 0.024001 0.008 2: 0.024001 0.008 3: 0.024001 0.008 4: 0.024001 0.008 5: 0.024001 0.008 6: 0.024001 0.008 7: 0.024001 0.008 8: 0.024001 0.008 9: 0.024001 0.008 10: 0.024001 0.008 11: 0.024001 0.008
goes all the way up to 100.

In reply to Re^2: Ending system() calls after certain time period. by massa
in thread Ending system() calls after certain time period. by ub3rFrank

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