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update-instance-for-different-class

Generic Function
Summary

As specified for Common Lisp, and locks the redefined instance.

Package

common-lisp

Description

The generic function update-instance-for-different-class behaves as specified for ANSI Common Lisp.

During the operation of updating the instance, including the call to update-instance-for-different-class, the redefined instance is locked against access. Any other process that tries to access the instance will hang until the operation finishes. Therefore your methods must avoid doing anything that may wait for another process which may access the instance, as this would cause a deadlock.

See also

update-instance-for-redefined-class


LispWorks User Guide and Reference Manual - 13 Feb 2015

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