Hi, I'm using Storable as a kind of mini DB for a CGI script. Everythings works fine but I'm wondering if what I'm doing is safe (in terms of data corruption) if the script gets a lot of concurrent hits. Is it ok to use Storable in this way? I'm saving a complex data structure but the following simplied example shows what I'm trying to do. 
#!/usr/bin/perl
use strict;
use warnings;
use Storable qw/lock_store lock_retrieve/;
use CGI;
use Thread::Semaphore;

my $q = new CGI;
my $s = new Thread::Semaphore;
$s->up;
my $x = lock_retrieve('k.dat') or die "Can't open k.dat: $!";
$x->{counter}++;
$x = lock_store('k.dat') or die "Can't save k.dat: $!";
$s->down;

print $q->header;
print "<h1>Hi</h1>\n";

[download]
Thanks!

In reply to How to use Storable in CGI scripts by kingman

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