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* Logic: *
* Entry_Not_Found: *
* Call Getmain_Shared *
* Copy default_sysid into shared storage *
* Address the command plist *
* Update ADDR7 to point to the address of the default SYSID *
* Set the SYSID existence bit in the EID *
* Set the Hi-order bit in last address in CLPS *
* Return *
*=====================================================================*
ENTRY_NOT_FOUND DS 0H
BAL R6,GETMAIN_SHARED GETMAIN SHARED storage
L R12,UEPTQTOK Fetch address of token
L R12,0(R12) Fetch shared storage address
USING SHARED_STORAGE,R12 Address using R12
*
* Update the Sysid in CLPS
MVC SHARED_SYSID,DEFAULT_SYSID Copy SYSID to shared storage
L R8,UEPCLPS Address the CLPS..
USING TS_ADDR_LIST,R8 ..with Register 8
L R1,TS_ADDR0 Address the EID..
USING TS_EID,R1 ..with Register 1
OI TS_BITS1,TS_SYSID_V Indicate SYSID now present in CLPS
DROP R1 Drop addressability to EID
LA R1,SHARED_SYSID Fetch address of the new SYSID
ST R1,TS_ADDR7 Store address in TS_ADDR7
OI TS_ADDR7,X’80’ Indicate SYSID is end of plist
*
* Clear hi-order bits in ARGs 1 to 5
NI TS_ADDR1,X’7F’ Indicate not last parameter in CLPS
NI TS_ADDR2,X’7F’ Indicate not last parameter in CLPS
NI TS_ADDR3,X’7F’ Indicate not last parameter in CLPS
NI TS_ADDR4,X’7F’ Indicate not last parameter in CLPS
NI TS_ADDR5,X’7F’ Indicate not last parameter in CLPS
B RETURN Return
DROP R8 Drop TS_ADDR_LIST
DROP R12 Drop SHARED_STORAGE
EJECT ,
*
Figure 144. Example exit program for the XTSEREQ exit (part 11)
Appendix F. The example program for the XTSEREQ global user exit, DFH$XTSE 887