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C/C++ Code Considerations With 64-bit WebSphere Application Server for z/OS



Document Author:
Additional Author(s):

Don Bagwell
Frank Golazeski


Document ID:

WP101095


Doc. Organization:

Washington Systems Center


Document Revised:

08/28/2007


Product(s) covered:

WebSphere







Abstract: WebSphere Application Server for z/OS supported 64-bit addressing in version 6.1.0.4. Changing over to that run mode is almost as simple as setting a configuration switch. While most J2EE compliant Java applications are immediately ready to run in 64-bit mode, care is probably necessary to migrate native code applications. This paper considers coding techniques for C/C++ applications that help move application systems over to 64-bit mode in a way that allows for a migration period of running applications in either mode and avoids added maintenance costs due to duplicate source code files.

WP101095 - 64Bit App Considerations.pdf



Classification:

Software

Category:

Planning and Design




Platform(s):

IBM System z Family

S/W Pillar(s):

WebSphere

O/S:

z/OS

Keywords:

C/C++, 64-bit, WebSphere z/OS, code, application

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