39 lines
645 B
Perl
39 lines
645 B
Perl
package App::Netdisco::Util::Daemon;
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use strict;
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use warnings;
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use MCE::Util ();
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# make sure this is already done elsewhere
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use if $^O eq 'linux', 'Sys::Proctitle';
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use base 'Exporter';
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our @EXPORT = qw/prctl parse_max_workers/;
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sub prctl {
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if ($^O eq 'linux') {
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Sys::Proctitle::setproctitle(shift);
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}
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else {
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$0 = shift;
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}
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}
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sub parse_max_workers {
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my $max = shift;
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return 0 if !defined $max;
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if ($max =~ /^auto(?:$|\s*([\-\+\/\*])\s*(.+)$)/i) {
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my $ncpu = MCE::Util::get_ncpu() || 0;
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if ($1 and $2) {
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local $@; $max = eval "int($ncpu $1 $2 + 0.5)";
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}
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}
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return $max || 0;
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}
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1;
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