International Business Machines Corporation

Robert Milton Smith

Jeffrey A Grantz

Ralph O Conder

William N Tindall

Scott Alan Plaetzer

Laurence Edward England

Baldev Singh Soor

Michael Thomas Wheatley

Daniel Rodman Hicks

Stephen Sherman Miller

William Peter Carney

Timothy William Osborn

George Lausman

G David Weston

Luis C Tan

Danial A Rose

Gary Wayne Miller

A system is disclosed for presenting information which reflects the users' cultural preference, including language and other conventions, that can manage locale categories without requiring application programs to manage all the overhead of repetitive changes to locale category values. Users merely specify their cultural preferences through the application programs and the operating system assigns a stack from the working memory for each specified category of cultural preference, and pushes onto the stack the location in the working memory of a file for the category of cultural preference specified, the file having been transferred from a locale database of files that contain code for formatting according to the cultural preferences. In a second aspect of the operating system, multiple concurrent sets of cultural preferences are handled by determining whether a location in the working memory corresponding to the preference specified is currently in the queue, and if not, by placing a new value in the queue for each memory location corresponding to an additional set of locale category values.

Computer operating system providing means for formatting information in

Processing an event signifying a condition in a computer system is described. The computer system maintains an invocation stack which includes a plurality of stack frames. Such event processing operates by selecting a stack frame from the invocation stack, and then determining whether a user specified event processing procedure capable of processing the event has been registered with the selected stack frame. If a user specified event processing procedure has been so registered, then the event is processed using the user specified event processing procedure as specified by a set of rules and options defined for the disposition and/or processing of the specific event. Optionally, it is then determined whether a language specific event processing procedure capable of processing the event has been registered with the selected stack frame. If a language specific event processing procedure has been so registered, then the event is processed using the language specific event processing procedure as specified by a set of rules and options defined for the disposition and/or processing of the specific event. If an user specified event processing procedure capable of processing the event or a language specific event processing procedure capable of processing the event has not been registered with any stack frame of the invocation stack or have chosen not to terminate the event processing, then the event is processed using an applicable default event processing procedure.

System and method for managing control flow of computer programs

An improved method and system is described for generalized handling of conditions occurring during program execution in a computer system having a multi-language Condition Manager (CM). A general signaling routine having object code for an external entry point suitable for linking to application programs written in any language supporting external calls is used. The signaling routine may be used by programs to eliminate the step of checking return codes from subroutines by coding the subroutine to automatically signal the proper condition to the CM which in conjunction with user defined condition handlers takes proper actions in response to the condition. A general condition token which may be used as a feedback token is defined as a condition identifier, a format code for the condition identifier, a severity code for the condition, a control code for a facility identifier, a facility identifier and an optional handle for instance specific information. The signaling routine and the feedback token are used by subroutines which can optionally provide for passing an address, where a feedback token can be stored. The subroutine signals conditions if the severity of the condition is greater than a threshold or else stores a feedback token at the address.

Computer program product and program storage device for representing and

A condition handling method and means capable of handling programs written in a plurality computer programming languages is created by a set of routines which implement the Common Condition Handling (CCH) function. These routines have entry points which are declared as external or entry variables which enables application programs to link to them. The compilers and application programs can then interact with the condition handling process by calling or branching to the entry points in the common condition handling code when the program is executing. Language specific condition handling routines and user condition handlers are invoked using a last-in-first-out (LIFO) queue to associate the handlers with the current stack frame. Any handler may respond to the CCH with one of three types of requests: Resume, Percolate, and Promote. A separate means is provided for registering Exit Handlers and to move the resume cursor.

Condition handling in a multi-language computer program

Method for representing and signaling run-time program conditions

Growing community of inventors

Morgan Hill, CA, United States of America

Robert Milton Smith