CHSCED Macro

MVSSERV's connectivity environment descriptor (CED) contains addresses that must be included in the DEFSERV, SENDREQ, and CHSTRACE macros. Programs can use the CHSCED mapping macro to obtain these addresses from the CED. The CHSCED macro has the following syntax:

[label] CHSCED [DSECT=YES|NO]

Code the macro with DSECT=YES (or omit the DSECT parameter) to build a DSECT that maps the CED fields. You can use the label CHSCED to address the control block with an assembler USING statement. For an example of using the CHSCED macro see Sample Servers.

Table 1 shows the fields of the CED.

Table 1. Connectivity Environment Descriptor (CED)
Offset Dec(Hex)	Number of Bytes	Field Name	Contents
0(0)	4	CEDROUT	Address of router for DEFSERV and SENDREQ requests.
4(4)	8		Reserved
12(C)	4	CEDTRCE	Address of trace facility for CHSTRACE requests.
16(10)	80		Reserved