Planning and Configuring HP DCE 1.8

34 Chapter1
About HP DCE/9000 Version 1.8
Features Planned for a Future Release
Features Planned for a Future Release
This section describes OSF DCE and HP DCE features that will be
supported in future releases of HP DCE.
• Improved scalibility, robustness, and availability
• Improved administration and configuration
• RPC support on IA64
Future Support for POSIX 1003.1c Threads
CMA applications are likely to migrate from Draft 4 of the POSIX
threads standard to the final, ratified 1003.1c standard for kernel
threads. This migration will result in source incompatibility, and it is
recommended that application developers plan now for this transition.
HP plans to preserve binary compatibility. However, developers can
prepare for this change as follows:
1. Isolate new threads API usage to macros or wrapper APIs.
2. Minimize the use of signals, and use only POSIX semantics when
programming with signals.
For example, we recommend that threaded applications use only the
functions sigaction(), sigprocmask(), and sigwait().
NOTE All CMA applications will have to be ported to HP-UX POSIX threads
starting HP-UX 11.20 as there are differences in certain API’s between
CMA threads and HP-UX POSIX threads.
A white paper on “Porting CMA Threads Programs to HP-UX 11.0
POSIX Threads” is available on the web to help move from CMA threads
to Kernel threads. (http://docs.hp.com/hpux/content/d8.html)