GERLOG

GDDM-GKS V1R1 Programming Guide and Reference

GERLOG

GDDM-GKS V1R1 Programming Guide and Reference
SC33-0334-00

Purpose


GERLOG	(errnr, fctid, errfil)

APL code	1306
GKS RCP code	X'3800F100' (939585792)

Function: To error logging.

Error-handling function. Writes error messages to the error file.

Parameters

errnr (specified by user) (fullword integer)
The error number.

fctid (specified by user) (fullword integer)
The identification of the GKS function called by the application program that caused the error to be detected.

errfil (specified by user) (fullword integer)
The error file. This parameter has been defined in the Open GKS (GOPKS) function call.

Related functions

Error handling (GERHND)

Description

This function can be called from a user-supplied error-handling procedure to log GDDM-GKS errors in the error file. Two messages are written to the error file. The first message is always ADM3500, which gives the GKS error number and the name of the function in which the error occurred; the actual error message then follows, giving a brief description of the error. For example:

ADM3500 I GKS ERROR 60 IN FUNCTION GSPLI ADM3560 E POLYLINE INDEX IS INVALID

If you call this function from your main program (when no GKS error has been detected), or with parameters different from those passed to your error-handling procedure, this function has no effect: no error is reported and no message is logged.

Principal errors

None

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