Guardian Procedure Calls Reference Manual (G06.25+)

Guardian Procedure Calls (M)

Guardian Procedure Calls Reference Manual—522629-013

9-56

MESSAGESYSTEMINFO Procedure

Summary

Syntax for C Programmers

Syntax for TAL Programmers

Parameters

Considerations

Summary

MESSAGESYSTEMINFO measures the current number of messages to or from a

process so it can issue a warning when a limit is nearly reached.

MESSAGESYSTEMINFO is used with CONTROLMESSAGESYSTEM.

You can use MESSAGESYSTEMINFO during checkout of a program that uses

CONTROLMESSAGESYSTEM, for example, to verify that initialization was done as

expected.

Syntax for C Programmers

Syntax for TAL Programmers

Parameters

error returned value

INT

returns these file-system error numbers:

0 Successful, no error

2 Bad

itemcode

21 Bad

value

22 Bounds error

29 Missing parameter

See the

Guardian Procedure Errors and Messages Manual for more information.

#include <cextdecs(MESSAGESYSTEMINFO)>

short MESSAGESYSTEMINFO ( short itemcode

,short *value );

error := MESSAGESYSTEMINFO ( itemcode ! i

,value ); ! o