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why does ignoring sigCHLD corrupt return value from system()?

by fiberhalo (Acolyte)
on Nov 05, 2003 at 00:15 UTC ( [id://304587]=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/perl
$SIG{'CHLD'} = 'IGNORE';
system('prog2.pl');
print "return value is ", $?>>8, "\n";
  2. or download this
    #!/usr/bin/perl
exit 5;

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