Generation and validation of reference handles in a multithreading environment

A computer-implemented method for managing data access to at least one resource of a computer system in a multi-threaded environment, said method comprising:

• allocating an area in computer readable memory for an original handle database containing a plurality of reference handles;
• assigning a reference handle by generating a unique value for an assigned reference handle and associating said reference handle with the resource with a resource pointer;
• determining and storing a pointer value of said resource pointer;
• verifying validity of said reference handle and retrieving and providing said stored pointer value if said verified reference handle is deemed valid;
• issuing a new reference handle to a consumer when said consumer requires access to at least one of the resources;
• associating said issued reference handle with said resource requiring access by assigning a unique value to said issued reference handle;
• releasing issued reference handles and deeming their respective handle values as being unassigned for reference handles that are no longer required by consumers and classifying said released handles as invalid;
• and
• wherein said method generates and validates reference handles for providing efficient management and administration of consumers' access to resources in computer systems.

A computer-implemented method for managing data access to at least one resource of a computer system in a multi-threaded environment, said method comprising:

• allocating an area in computer readable memory for an original handle database containing a plurality of reference handles;
• issuing a new handle to a consumer when said consumer requires access to at least one of the resources;
• associating said issued handle with said resource requiring access by assigning a unique value to said issued handle;
• allocating an area in said computer readable memory for a modified handle database created having a size of a multiplicative constant different than said original handle database size;
• copying data located in said original handle database into said modified handle database;
• reading a size value of said modified database;
• simultaneously and consistently utilizing said size value of said modified database and a database pointer value to said modified database for reorganizing said copied data in said modified handle database so as to prevent a future conflict in handle values;
• and
• deallocating said area in said computer readable memory occupied by said original handle database.

A management device operating in a multi-threaded environment for managing data access to a plurality of resources stored on computer readable memory of a computer system, said management device comprising:

• an original handle database stored in the computer readable memory of the computer system and containing a plurality of reference handles;
• a plurality of consumers randomly requiring access to said resources;
• and
• a handle administrator comprising an assignment module for assigning a reference handle by generating a unique value for an assigned reference handle and associating said reference handle with the resource with a resource pointer and a dereference module for determining and storing a pointer value of said pointer, for verifying the existence of said reference handle, and for retrieving and providing said stored pointer value if said verified reference handle is deemed to have an existing value.

A management device operating in a multi-threaded environment for managing data access to a plurality of resources stored on computer readable memory of a computer system, said management device comprising:

• an original handle database stored in the computer readable memory of the computer system and containing a plurality of reference handles;
• a plurality of consumers randomly requiring access to said resources;
• and
• a handle administrator comprising an assignment module for assigning a reference handle by generating a unique value for an assigned reference handle and associating said reference handle with the resource with a resource pointer and a dereference module for determining and storing a pointer value of said pointer, for verifying validity of said reference handle, and for retrieving and providing said stored pointer value if said verified reference handle is deemed valid;
• wherein said assignment module is preprogrammed for issuing a new reference handle to a consumer when said consumer requires access to at least one of the resources, for associating said issued reference handle with said resource requiring access by assigning a unique value to said issued reference handle, and for releasing issued reference handles and deeming their respective handle values as being unassigned for reference handles that are no longer required by consumers and classifying said released handles as invalid;
• wherein reference handles are generated and validated for providing efficient management and administration of consumers' access to resources in computer systems.

A management device operating in a multi-threaded environment for managing data access to a plurality of resources stored on computer readable memory of a computer system, said management device comprising:

• an original handle database stored in the computer readable memory of the computer system and containing a plurality of reference handles;
• a plurality of consumers randomly requiring access to said resources;
• and
• a handle administrator comprising,
• an assignment module for assigning a reference handle by generating a unique value for an assigned reference handle and associating said reference handle with the resource with a resource pointer,
• a modify module for allocating an area in said computer readable memory for a modified handle database created having a size of a multiplicative constant different than said original handle database size and for copying data located in said original handle database into said modified handle database, and
• a dereference module for reading a size value of said modified database and for simultaneously and consistently utilizing said size value of said modified database and a database pointer value to said modified database for reorganizing said copied data in said modified handle database so as to prevent a future conflict in handle values,
• wherein said modify module is further preprogrammed for deallocating said area in said computer readable memory occupied by said original handle database.

A computer-readable medium having computer-executable components for causing a computer to function as a resource administration system for generating and validating reference handles for consumers requiring access to a plurality of resources in a multi-threaded environment, said system comprising:

• a computer-readable storage medium;
• and
• a computer data access system stored on said medium, said computer data access system having a handle administrator and an original handle database stored in the computer readable memory of the computer system and containing a plurality of reference handles;
• wherein said computer data access system is preprogrammed for assigning a reference handle by generating a unique value for an assigned reference handle and associating said reference handle with the resource with a resource pointer, for determining and storing a pointer value of said pointer, for verifying the existence of said reference handle, and for retrieving and providing said stored pointer value if said verified reference handle is deemed to have an existing value.

A computer-readable medium having computer-executable components for causing a computer to function as a resource administration system for generating and validating reference handles for consumers requiring access to a plurality of resources in a multi-threaded environment, said system comprising:

• a computer-readable storage medium;
• and
• a computer data access system stored on said medium, said computer data access system having a handle administrator and an original handle database stored in the computer readable memory of the computer system and containing a plurality of reference handles;
• wherein said computer data access system is preprogrammed for assigning a reference handle by generating a unique value for an assigned reference handle and associating said reference handle with the resource with a resource pointer, for determining and storing a pointer value of said pointer, for verifying validity of said reference handle, and for retrieving and providing said stored pointer value if said verified reference handle is deemed valid;
• wherein said system is preprogrammed for issuing a new reference handle to a consumer when said consumer requires access to at least one of the resources, for associating said issued reference handle with said resource requiring access by assigning a unique value to said issued reference handle, and for releasing issued reference handles and deeming their respective handle values as being unassigned for reference handles that are no longer required by consumers and classifying said released handles as invalid;
• wherein reference handles are generated and validated for providing efficient management and administration of consumers' access to resources in computer systems.