tree 04239f8bc25ce6f22bda774bbae37755ed8acb27
parent 26a5dd6fd1d65de29ba85e4bb61d9267dd428238
author Koji Fukui <koji.fukui@sony.com> 1551756177 +0900
committer Mathieu Chartier <mathieuc@google.com> 1552929544 +0000

Change state to waiting during aborting the VM

Symptom:
Process freeze when multiple runtime error happen on runnable threads.

Root cause:
When multiple runtime error happen, only one thread locks abort_lock_
and other threads are blocked even if they are runnable state.
If an other thread tries to suspend blocked threads at the same time,
blocked threads can't be suspended until abort_lock_ is unlocked from
owner thread. But owner thread can be suspended even if it locks
abort_lock_. Thus, these threads causes dead lock.

Solution:
Change state to waiting when locking abort_lock_.

Bug: 127875380
Change-Id: I7e914924690bb30d6d0490cf5f8afdb1c3cd4e4a