Open System Services Porting Guide (G06.24+, H06.03+)

Table Of Contents
Glossary
Open System Services Porting Guide520573-006
Glossary-5
Guardian
Saved-set group ID
Guardian. An environment available for interactive or programmatic use with the HP
NonStop operating system. Processes that run in the Guardian environment use the
Guardian system procedure calls as their application program interface; interactive
users of the Guardian environment use the HP Tandem Advanced Command
Language (TACL) or another HP product’s command interpreter. Contrast with Open
System Services (OSS).
Guardian environment. The Guardian application program interface (API), tools, and
utilities.
Guardian services. An application program interface (API) to the HP NonStop™ operating
system, plus the tools and utilities associated with that API. This term is synonymous
with Guardian environment. See also Guardian.
hard link. The relationship between two directory entries for the same file. A hard link acts
as an additional pointer to a file. A hard link cannot be used to point to a file in another
fileset. Contrast with symbolic link.
header. An object that, when specified for inclusion in a program’s source code, causes the
program to behave as if the statement including the header were actually a specific set
of other programming statements. A header contains coded information that provides
details (such as data item length) about the data that the header precedes.
In an OSS program, a header is the name of a file known to the run-time library used
by a process. In a Guardian environment C language program, a header is the file
identifier for a file known to the run-time library used by a process.
HP NonStop™ Open System Services (OSS). The product name for the OSS
environment. See also Open System Services (OSS).
HP NonStop™ operating system. The operating system for HP NonStop systems.
IEC. International Electrotechnical Committee. IEC is a professional organization that
creates or adopts standards for computer hardware, environments, and physical
interconnections.
IEEE. Institute of Electrical and Electronics Engineers. IEEE is a professional organization
whose committees develop and propose computer standards that define the physical
and data link protocols of entities such as communication networks.
Intel® Itanium® instructions. Register-oriented Itanium instructions that are native to and
directly executed by a TNS/E system. Itanium instructions do not execute on TNS and
TNS/R systems. Contrast with TNS instructions and RISC instructions.
TNS Object Code Accelerator (OCA) produces Itanium instructions to accelerate TNS
object code. A TNS/E native compiler produces native-compiled Itanium instructions
when it compiles source code.