Thank you very much for updating and giving your reason. I do in fact use Thread::Conveyor and had never run in to the segfault issue.

Upon investigation, I only get the segfault when I set the stack size globally (when I load the threads module or via threads->set_stack_size(). I have no problems if I set the stack size at thread creation time (below). This explains why I have never run into trouble. Clearly, there is some problem with Thread::Conveyor and you have convinced me that there might be some reason to avoid it. Determining whether the problem is fixable is probably beyond me.

#! perl -slw
# This is perl, v5.10.1 (*) built for x86_64-linux-gnu-thread-multi
use strict;
use threads;
use Thread::Conveyor;

my $belt = Thread::Conveyor->new( {
    maxboxes => 50,
    minboxes => 25,
    optimize => 'memory', # or 'cpu'
});

threads->new(sub {
    print while defined( $_ = $belt->take );
},
{ stack_size => 4096 })->detach;

$belt->put( $_ ) for 1 .. 10;
$belt->put( undef );

[download]

Good Day,
    Dean

In reply to Re^3: Testing methodology by duelafn
in thread Testing methodology by BrowserUk

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