All,

I'm writing a server script that should stay running, for each client connection I fork a new child, but when I add "exit 0" at the end of the child code, the server script exist (even though the script doing the right thing). So, what I've read in that in Solaris 7 (and I'm assuming 8, since that is what I'm using) is that accept() does not automatically restart (after a child exits). If I take the "exit 0" everything looks fine, but it's leaving behind stray processes (not a good thing). Any help would be greatly apprieciated. Here is the code:

  
use strict;
use warnings;
use IO::Socket;
use POSIX qw(:sys_wait_h);
# use diagnostics;

my $local = "172.23.167.114";
my $port = "7070";
my $maxconn = SOMAXCONN;
my ($new_sock, $c_addr, $buf, $pid, $status);

$|++;

# NOTE: use netstat to see network properties.
# ignore child processes to prevent zombies
# $SIG{CHLD} = 'IGNORE';  # Using this actually makes all return codes
+ = -1 !!
# $SIG{PIPE} = 'IGNORE';

sub REAPER{
   my $pid = wait;
   #  while ( waitpid(-1,WNOHANG) > 0 )  { }

   $status = $? >> 8;
   $SIG{CHLD} = \&REAPER;       # wait for next child process
}
$SIG{CHLD} = \&REAPER;          # wait for 1st child process

my $sock = new IO::Socket::INET (
                                LocalHost => $local,
                                LocalPort => $port,
                                Proto => 'tcp',
                                Listen => $maxconn,
                                Reuse => '1',
                                );

die "Could not create socket: $@ \n" unless $sock;

print "RECEIVER::IP = $local PORT = $port MaxConn = $maxconn\n";

while (($new_sock, $c_addr) = $sock->accept() )   {

   die "Can't fork: $!" unless defined ($pid = fork());

   if ( $pid == 0 )   {         # Child code

      my ($client_port, $c_ip) = sockaddr_in($c_addr);
      my $client_ipnum = inet_ntoa($c_ip);
      my $client_host = gethostbyaddr($c_ip, AF_INET);

      print "CHILD CODE [cpid::$$]: Connection from: $client_host [$cl
+ient_ipnum ", $new_sock->peerport, "] \n\n";

      while (defined($buf = <$new_sock>) )   {
         if ($buf =~ /^EXECUTE:(.*)/ )  {
            print $1, "\n";
            system("/msg/spgear/tools/bin/perl $1") || die "Could not 
+run program: $1 -- $!\n";
            if ( defined $status )  {
               print $new_sock "RETURN CODE: $status \n";
               undef $status;
            }
            else  {
               print $new_sock "RETURN CODE: undef \n";
            }
         }
         else {
            print "INVALID SYNTAX\n";
            print $new_sock "INVALID SYNTAX\n";
         }
      }
      # exit(0);
   }
   else  {                      # Parent code
      $new_sock->close;
      print "\nPARENT CODE [ppid::$$ cpid:$pid]\n";
   }
}
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