私のエラーは次のとおりです
/usr/lib/perl5/site_perl/5.8.6/Parallel/ForkManager.pm行463の子プロセスにいる間は、別のプロセスを開始できません。
問題が発生している私のコードの部分は以下のとおりです。私のコードの下には、forkmanagerで失敗するサブルーチンがあります。理由がわかりません。forkmanagerがなくても、問題なく実行できます。
my $pm = new Parallel::ForkManager($MAX_PROCESSES);
for (0..$SCOUNT)
{
my $pid = $pm->start and next;
my %shash = ();
%shash =
( ID => "$SREF->[$_]->[0]",
typeID => "$SREF->[$_]->[1]",
extIP => "$SREF->[$_]->[2]",
intIP => "$SREF->[$_]->[3]",
NAME => "$SREF->[$_]->[4]",
buTYPE => "NULL"
);
if ($shash{typeID} =~ /^(4|16|17|25|27|28|42|49|50|51|54|58|60|63|19)$/){$shash{buTYPE} = 'LINUX DEDICATED';}
if ($shash{typeID} =~ /^(11|14|22|32|34|36|37|46)$/) {$shash{buTYPE} = 'LINUX FULL';}
if ($shash{typeID} =~ /^(44)$/) {$shash{buTYPE} = 'EMAIL MARKETER';}
if ($shash{typeID} =~ /^(43)$/) {$shash{buTYPE} = 'TYip1';}
if ($shash{typeID} =~ /^(45)$/) {$shash{buTYPE} = 'DDDOMAINS';}
if ($shash{typeID} =~ /^(56)$/) {$shash{buTYPE} = 'AT MAIL';}
if ($shash{typeID} =~ /^(65|66)$/) {$shash{buTYPE} = 'ENT MAIL';}
if ($shash{typeID} =~ /^(1|3)$/) {$shash{buTYPE} = 'LINUX PROD';}
if ($shash{buTYPE} eq 'LINUX DEDICATED' || $shash{buTYPE} eq 'LINUX FULL')
#if ($shash{buTYPE} eq 'LINUX FULL')
{
next if (`grep $shash{NAME} $excludes`);
my $ip;
my $ipchoice=0;
print "Doing $shash{NAME}.\n";
my $testport = testport("$shash{intIP}",'1500');
if(!$testport)
{
$ipchoice=1;
$testport = testport("$shash{extIP}",'1500');
}
unless ($testport)
{
log_event("$log/rsync_error.$date_string","Port 1500 closed for $shash{NAME}\n");
next;
}
if ($ipchoice==0)
{ $ip = $shash{intIP};
}else{
$ip = $shash{extIP};
}
# send_file("$repo/rsyncd.conf","$shash{intIP}","/etc/rsyncd.conf");
check_rsync($shash{NAME},$ip);
# do_backup($shash{NAME},$ip,$shash{buTYPE});
}
$pm->finish;
}
$pm->wait_all_children;
ForkManager.pmコーディング。
sub start { my ($s,$identification)=@_;
die "Cannot start another process while you are in the child process"
if $s->{in_child};
while ($s->{max_proc} && ( keys %{ $s->{processes} } ) >= $s->{max_proc}) {
$s->on_wait;
$s->wait_one_child(defined $s->{on_wait_period} ? &WNOHANG : undef);
};
$s->wait_children;
if ($s->{max_proc}) {
my $pid=fork();
die "Cannot fork: $!" if !defined $pid;
if ($pid) {
$s->{processes}->{$pid}=$identification;
$s->on_start($pid,$identification);
} else {
$s->{in_child}=1 if !$pid;
}
return $pid;
} else {
$s->{processes}->{$$}=$identification;
$s->on_start($$,$identification);
return 0; # Simulating the child which returns 0
}
}