HP-UX 11i Version 2 Release Notes (October 2003)

Libraries and Programming
Itanium Unwind Library (libunwind.so)
Chapter 9
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Itanium Unwind Library (libunwind.so)
The Itanium Unwind Library, libunwind.so, supports stack unwind and C++ exception
handling on HP-UX 11i v2.
Summary of Change
Changes to the Itanium Unwind Library for HP-UX 11i v2 include the following:
• Added a new set of “Unwind Express” APIs that perform stack unwinding
considerably faster.
•New header files <uwx.h> and <uwx_self.h>
• New manual page, uwx (3x)
Impact
Use of the new APIs will provide better performance and less memory usage.
Compatibility
There are no compatibility issues. The old APIs continue to be supported with no
difference in behavior.
Performance
The new APIs perform stack unwinding considerably faster than the old ones.
Documentation
There is a new manpage for uwx, uwx (3x).
Obsolescence
Not applicable.
Java 2 Platform
Java 2 Standard Edition(J2SE) products for HP-UX provide solutions to develop or
deploy Java applications with the best performance on HP-UX servers and workstation.
This section covers the following topics: