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package Proc::ChildError; |
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3
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our $DATE = '2014-11-18'; # DATE |
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our $VERSION = '0.02'; # VERSION |
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6
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1
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1
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16821
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use 5.010001; |
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3
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1
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38
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7
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1
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1
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5
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use strict; |
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2
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1
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29
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8
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1
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1
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4
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use warnings; |
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4
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1
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217
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10
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require Exporter; |
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our @ISA = qw(Exporter); |
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our @EXPORT_OK = qw(explain_child_error); |
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14
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sub explain_child_error { |
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6
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1
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my $opts; |
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6
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100
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if (ref($_[0]) eq 'HASH') { |
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1
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$opts = shift; |
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} else { |
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5
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$opts = {}; |
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} |
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22
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6
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my ($num, $str); |
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100
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if (defined $_[0]) { |
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$num = $_[0]; |
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$str = $_[1]; |
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} else { |
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1
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$num = $?; |
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1
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$str = $!; |
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} |
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31
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6
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my $prefix = ""; |
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6
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100
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if (defined $opts->{prog}) { |
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1
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$prefix = "$opts->{prog} "; |
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} |
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36
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6
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100
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if ($num == -1) { |
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100
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2
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100
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return "${prefix}failed to execute: ".($str ? "$str ":"")."($num)"; |
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} elsif ($num & 127) { |
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2
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100
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return sprintf( |
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"${prefix}died with signal %d, %s coredump", |
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($num & 127), |
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(($num & 128) ? 'with' : 'without')); |
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} else { |
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2
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return sprintf("${prefix}exited with code %d", $num >> 8); |
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} |
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} |
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48
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1; |
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# ABSTRACT: Explain process child error |
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51
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__END__ |