International Business Machines Corporation

Lisa D Banks

Jason A Keenaghan

A process thread locking operations includes defining a lock structure having data fields that include a process thread identifier and a shared object identifier that uniquely identifies a shared object subject to lock operations and using the lock structure to build a lock table. The lock table includes lock structures for each process thread in the process and is searchable in response to a request for a shared object from a calling thread. The method also includes determining a lock status of the shared object. The lock status indicates whether the shared object is currently locked by the calling process thread. In response to the lock status, the method includes obtaining a lock on the shared object when the request is for a lock, and releasing a lock on the shared object when the request is to unlock the shared object.

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Poughkeepsie, NY, United States of America

Lisa D Banks