Guardian Procedure Calls Reference Manual

for distinguishing, for example, one requester from another requester. For further details, see
the Guardian Programmer's Guide.
• Remote opener with a long process file name
If the calling process used FILE_OPEN_ to open $RECEIVE and did not request to receive
C-series format messages, and if the last message read from $RECEIVE is from a remote
process that has a process name consisting of more that five characters, then the value of
process-id returned by LASTRECEIVE is undefined.
Example
In the following example, the LASTRECEIVE procedure returns the identification of the process that
sent the last message:
CALL LASTRECEIVE ( PROG1^ID );
LASTRECEIVE Procedure (Superseded by FILE_GETRECEIVEINFO[L]_ Procedures) 765