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#-*- perl -*-
#
# Copyright (C) 2004 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: add.pl,v 1.2 2003/07/21 03:43:56 fukachan Exp $
#
use strict;
use Carp;
my $debug = 0;
my $i = 0;
my $file = "/tmp/io.adapter.$$";
my $map = "file:$file";
my %log = ();
my %pid = ();
### MAIN ###
print "${file}->lock()/unlock()\n";
use IO::Adapter;
for my $i (0 .. 5) {
my $obj = new IO::Adapter $map;
my $pid = fork();
$pid{ $pid } = 1;
if ($pid == 0) {
my $t;
my $ok;
if ($obj->lock()) {
$t = time;
$log{ $i } .= "locked\t";
$ok++;
}
sleep(rand(5));
if ($obj->unlock()) {
$t = time - $t;
$log{ $i } .= "$t\tunlocked\n";
$ok++;
}
print STDERR "$i [$$]\t$log{ $i }" if $debug;
if ($ok == 2) {
print "ok [$$] (wait for $t sec)\n";
}
else {
print "fail [$$] (wait for $t sec)\n";
}
exit(0);
}
}
# Wait for the child to terminate.
{
my $dying;
WAIT:
while (($dying = wait()) != -1) {
$pid{ $dying } = 0;
my $found = 0;
for my $i (keys %pid) {
$found++ if $pid{ $i };
}
last WAIT if $found;
}
}
sleep 20;
exit 0;
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