System termination routine of the login exit

This routine is used at server termination to release the GXB storage. All users are automatically logged off. The codes and fields used are shown in Table 1.

Table 1. Codes and fields for system termination
When Invoked	Field Name	Description	Contents
On entry	LEDSRQ	Request code	8
On entry	LEDSXG	Global Exit Block	Address
On exit	LEDSXD	Exit-supplied error message	Message Structure
On exit	LEDSRC	Return code	0 Exit termination successful
On exit	LEDSXG	Global Exit Block	0 GXB is released