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From "Catherine Hope (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-6280) [classlib][concurrent] AtomicLong class fails with UnsatisfiedLinkError missing VMSupportsCS8
Date Tue, 21 Jul 2009 11:59:15 GMT
[classlib][concurrent] AtomicLong class fails with UnsatisfiedLinkError missing VMSupportsCS8

                 Key: HARMONY-6280
                 URL: https://issues.apache.org/jira/browse/HARMONY-6280
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
         Environment: all, running with IBM VME
            Reporter: Catherine Hope

The AtomicLong class fails to load with an UnsatisfiedLinkError when running on IBM VME, because
the VMSupportsCS8 function is not provided by the VM.  It calls this function to set the AtomicLong.VM_SUPPORTS_LONG_CAS
field which is referenced by AtomicLongFieldUpdater to switch between using different field
The Harmony Select build works around this by patching the class to always set AtomicLong.VM_SUPPORTS_LONG_CAS
to true.
The proposed fix it to try to use the VMSupportsCS8 function, but catch the UnsatisfieldLinkError
and set the field to default to true in that case.

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