Download patch
ref: f931251fabd44ccfa46a8180f0c57230cbb1aa7c parent: a86ff36d8fb1a4a3c3095c889c2d01ee7dbeec88 author: qwx <qwx@sciops.net> date: Thu Jul 22 14:36:01 EDT 2021
sys: always kill all threads on exit, use the same code for qw