critical impact:

uswitch - not supported (CrUn179)

Problem description

The uswitch function exists on Tru64 UNIX, but not on HP-UX.

The uswitch function gets or sets compatibility environment-specific behavior for a calling process through the uswitch value. The uswitch function is not needed on HP-UX if you are passing USW_NULLP because HP-UX does not generate a segmentation fault on NULL pointers.

Identifiers

uswitch

See also

• Background information on kernel impacts
• uswitch(2)

Solution description

Remove any references to the uswitch function and the sys/uswitch.h header file.

By default, HP-UX allows null pointer dereferencing (similar to the USW_NULLP uswitch setting in Tru64 UNIX). To disable null pointer dereferencing, use the -z command line option when compiling and linking the application.

Note that the enhanced core file naming feature is not supported in HP-UX.

Problem summary