Guardian Procedure Calls Reference Manual (G06.25+)

Guardian Procedure Calls (P)
Guardian Procedure Calls Reference Manual—522629-013
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PROCESSHANDLE_NULLIT_ Procedure
PROCESSHANDLE_NULLIT_ Procedure
Summary
Syntax for C Programmers
Syntax for TAL Programmers
Parameters
Summary
The PROCESSHANDLE_NULLIT_ procedure initializes a process handle to a null
value. A process handle that has -1 in each word is recognized by the operating
system as being null.
Refer to Appendix D, File Names and Process Identifiers
for further information about
process handles.
Syntax for C Programmers
Syntax for TAL Programmers
Parameters
error returned value
INT
indicates the outcome of the operation. It returns one of the following values:
0 Operation was successful.
22 Parameter is out of bounds.
29 Parameter is missing.
processhandle output
INT .EXT:ref:10
returns a null process handle (-1 in each word).
#include <cextdecs(PROCESSHANDLE_NULLIT_)>
short PROCESSHANDLE_NULLIT_ ( short *processhandle );
error := PROCESSHANDLE_NULLIT_ ( processhandle ); ! o