<div dir="ltr">In this case, the GC will indeed find that no one has a reference to the thread. However, instead of garbage collecting the thread, the BlockedIndefinitely exception is thrown to it. So, it resumes execution of the thread with that exception.<div><br></div><div>This also applies to threads blocked on MVars.</div><div><br></div><div>-Michael</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Oct 17, 2015 at 9:11 AM, Tomas Carnecky <span dir="ltr"><<a href="mailto:tomas.carnecky@gmail.com" target="_blank">tomas.carnecky@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">If a thread is blocking indefinitely in an STM transaction (reading from a queue to which nobody else has a reference and thus can not write into), is the runtime smart enough to GC the thread? Or do I have to kill the thread manually?</div>
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