Fix Cancel button. #1461
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@ -687,6 +687,7 @@ sub export_gcode2 {
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my ($config, $extra_variables, $output_file, %params) = @_;
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my ($config, $extra_variables, $output_file, %params) = @_;
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local $SIG{'KILL'} = sub {
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local $SIG{'KILL'} = sub {
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Slic3r::debugf "Exporting cancelled; exiting thread...\n";
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Slic3r::debugf "Exporting cancelled; exiting thread...\n";
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Slic3r::thread_cleanup();
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threads->exit();
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threads->exit();
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} if $Slic3r::have_threads;
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} if $Slic3r::have_threads;
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