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Apparent process-lock bug
- To: (BUG ZWEI) at MIT-AI
- Subject: Apparent process-lock bug
- From: GLS at MIT-AI (Guy L. Steele, Jr.)
- Date: Wed ,2 Jul 80 10:26:00 EDT
- Cc: GLS at MIT-AI
In the version of ZWEI on system 29.95 NWS, with microcode 669, on LISP Machine Eight:
If I do C-X C-F, and while it is waiting in the NET WAIT state I hit [ABORT],
then retry the C-X C-F, it claims that some lock is already locked by the process
(the contents of the lock is a window, and so is the new value).
Evidently the locking is not properly UNWIND-PROTECTed?