Ruby Issue Tracking System

05/07/2015

04:05 PM Ruby master Bug #11040: Mutex can be locked by multiple threads, causing Monitor to sometimes hang

So now that I added a patch for `lib/monitor.rb` I guess this should be assigned to Shugo Maeda (shugo) per https://b... jvdp (Jaap van der Plas)

04/09/2015

08:21 PM Ruby master Bug #11040: Mutex can be locked by multiple threads, causing Monitor to sometimes hang

I have attached a patch for `Monitor` that should prevent this issue. jvdp (Jaap van der Plas)

04/07/2015

01:58 PM Ruby master Bug #11040: Mutex can be locked by multiple threads, causing Monitor to sometimes hang

Aha, it seems that killing the thread releases the mutex lock directly, while the counter is not decreased. Is this s... jvdp (Jaap van der Plas)

12:41 PM Ruby master Bug #11040: Mutex can be locked by multiple threads, causing Monitor to sometimes hang

Attached what I think is the minimal test case. jvdp (Jaap van der Plas)

12:09 PM Ruby master Bug #11040: Mutex can be locked by multiple threads, causing Monitor to sometimes hang

I attached a slightly simpler test case. jvdp (Jaap van der Plas)

12:02 PM Ruby master Bug #11040 (Closed): Mutex can be locked by multiple threads, causing Monitor to sometimes hang

I have found a case where Monitor sometimes does not release the lock on its mutex where it should, because the inter... jvdp (Jaap van der Plas)