[OpenSTA-devel] [ opensta-Bugs-1570977 ] ACQUIRE MUTEX

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Bugs item #1570977, was opened at 2006-10-04 16:23
Message generated for change (Comment added) made by velivis
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Category: Documentation
Group: None
Status: Open
>Resolution: Works For Me
Priority: 5
Private: No
Submitted By: Jerome Delamarche (trickyjer)
Assigned to: Nobody/Anonymous (nobody)
Summary: ACQUIRE MUTEX

Initial Comment:
The SCL Manual says "ACQUIRE MUTEX" is used for inter-
script synchronization. It also says the Timeout 
value is in seconds.

It appears that:
- ACQUIRE MUTEX works also to synchronize threads 
(and fortunately it works !)
- the Timeout value is dependent of the WAIT UNIT 
instruction
- the ON TIMEOUT GOTO and ON ERROR GOTO clauses are 
mandatory to avoid a "TOF error" at runtime

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>Comment By: Bernie Velivis (velivis)
Date: 2007-10-17 13:49

Message:
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The SCL manual says that ACQUIRE MUTEX is used to synchronize either
scripts running on the local machine (scope local) or all scripts across
all injectors (Test-wide). It works as documented.

The ON TIMEOUT and ON ERROR clauses are documented as being optional and I
am unable to reproduce TOF errors by omitting them.

The SCL documentation in the modeler states incorrectly that units for the
wait time in the ACQUIRE MUTEX command are in seconds. All my testing shows
the wait time units for the ACQUIRE MUTEX command are in milliseconds
regardless of WAIT UNIT (seconds or milliseconds).


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