View source for F$PID()

'''F$PID()''' is a [[Lexical functions|lexical function]] that returns a [[PID|process identification number]] and updates the [[F$CONTEXT|context symbol]] to point to the current position in the system's process list.

=Syntax=

F$PID(context-symbol)

'''context-symbol''' is an arbitrary symbol established with a call to [[F$CONTEXT]].

=Examples= 
 <nowiki>
$ CONTEXT = ""
$ START:
$     PID = F$PID(CONTEXT)
$     IF PID .EQS. "" THEN EXIT
$     SHOW SYMBOL PID
$     GOTO START
 </nowiki>

This command procedure uses the F$PID function to display a list of PIDs.

[[Category:Lexical Functions]]