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Workaround "Attempt to free unreferenced scalar..." on Linux 32-bit

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Alessandro Ranellucci 2013-11-12 12:09:33 +01:00
parent 76213fb5b7
commit d0cbf56354
1 changed files with 13 additions and 2 deletions
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15
lib/Slic3r.pm
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@ -94,9 +94,20 @@ sub parallelize {
$q->enqueue(@items, (map undef, 1..$Config->threads));
my $thread_cb = sub {
my $result = $params{thread_cb}->($q);
$params{thread_cb}->($q);
Slic3r::thread_cleanup();
return $result;
# This explicit exit avoids an untrappable
# "Attempt to free unreferenced scalar" error
# triggered on Ubuntu 12.04 32-bit when we're running
# from the Wx plater and
# we're reusing the same plater object more than once.
# The downside to using this exit is that we can't return
# any value to the main thread but we're not doing that
# anymore anyway.
# collect_cb is completely useless now
# and should be removed from the codebase.
threads->exit;
};
$params{collect_cb} ||= sub {};