Andrew Kaster 54161bf5b4 Kernel: Acquire reference to waitee before trying to block in sys$waitid ...

Previously, we would try to acquire a reference to the all processes
lock or other contended resources while holding both the scheduler lock
and the thread's blocker lock. This could lead to a deadlock if we
actually have to block on those other resources.

2021-08-28 20:53:38 +02:00

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