What is the Block ID shown by ps/pstat?

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1 total messages Started by David Brown Thu, 02 May 1991 20:35

#2597

Author: David Brown
Date: Thu, 02 May 1991 20:35

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What is the meaning of the Block ID value, shown for each thread by PS or
PSTAT?  Is it valid for two threads (in separate processes) to have the
same block ID?

We are tracking down a problem where a thread blocks forever on a
semaphore, even though the timeout value is only 200ms.  We have
noticed when this happens, the thread has the same block ID as
another thread in another process.  Is this significant, or mere
co-incidence?

---
David C. Brown		|  uunet!mnetor!motto!dave
Motorola Canada, Ltd.	|  416-499-1441 ext 3708
Communications Division	|  "Of course I'm above average!  Who isn't?"

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