On 4/4/07, Igor Sutton Lopes <[EMAIL PROTECTED]> wrote:
snip
    unless (fork) {
snip

The fork function has three returns: undef, zero, and non-zero.  It
returns 0 to the child and a pid that is non-zero to the parent on
success or undef to the parent on failure.  It is important to catch
this error:

my $pid = fork;
die "fork failed" unless defined $pid;
unless ($pid) {

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