z/OS Communications Server: SNA Customization
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IKTXSA

z/OS Communications Server: SNA Customization
SC27-3666-00

Table 1. IKTXSA control block
 Offsets  
Dec Hex Type Len Name (Dim) Description
0 (0) STRUCTURE 48 IKTXSA SVC 93 SVRB EXTENDED SAVE AREA
0 (0) SIGNED 4 XSAPRM0 REGISTER 0 AT SVC ENTRY
0 (0) SIGNED 2 XSAASID ASID PASSED
    1... ....   XSANEDIT TPUT NOEDIT =1 (PASS-THROUGH)
0 (0) BITSTRING 1 * ASID PASSED
2 (2) SIGNED 2 XSAPRMSZ BUFFER SIZE PASSED
4 (4) SIGNED 4 XSAPRM1 REGISTER 1 AT SVC ENTRY
4 (4) UNSIGNED 1 XSAOPTNS USER OPTIONS
    1... ....   XSAPTGT TPUT =0, TGET =1
    .1.. ....   XSAUSRID USER ID IN REG 15 IF=1
    ..1. ....   XSAPRIOR HIGHP=0, LOWP=1
    ...1 ....   XSANOWT WAIT =0, NOWAIT=1
    .... 1...   XSAHOLD NOHOLD=0, HOLD =1
    .... .1..   XSABRK NOBREAK=0, BREAK = 1
    .... ..11   XSAEDITO EDIT=00,ASIS=01,CNTL=10, FULLSCRN=11
5 (5) ADDRESS 3 XSABFRAD ADDRESS OF USER'S BUFFER
8 (8) SIGNED 4 XSAWD3  
8 (8) UNSIGNED 1 XSAFLAG FLAG BYTE
    1... ....   XSAIDENQ IKTASTPT HAS ENQ ED THE ASID
    .1.. ....   XSADMOVE DATA MOVE INDICATOR
    ..1. ....   XSATCBFX ASYN EXIT INDICATOR. SET AT SVC ENTRY
    ...1 ....   XSADOSWT SWITCH FOR 'DO' FALLOUT
    ...1 ....   XSATOKF TPUT WITH TOKEN PASSED
    .... 1...   XSADATVF 'DATA VERIFICATION' INDICATOR
    .... .1..   XSALOCKS ROUTINE HAS LOCKS OBTAINED
    .... ..1.   XSAAUTH ASID CALLER IS AUTHORIZED
    .... ...1   XSARETY FLAG USED BY IKTASTPT
9 (9) ADDRESS 3 XSATCBA CALLER'S TCB ADDRESS
12 (C) SIGNED 4 XSAWD4  
12 (C) SIGNED 4 XSASAVEA USED FOR SAVING REG 14
16 (10) CHARACTER 12 XSAENQAD WORK AREA FOR ENQ/DEQ
16 (10) SIGNED 4 XSAWD5 3 WORD LIST FORM OF ENQ AND
20 (14) SIGNED 4 XSAWD6 DEQ. USED IN IKTASTPT
24 (18) SIGNED 4 XSAWD7 AND IKT93EST
28 (1C) SIGNED 4 XSAWD8  
28 (1C) SIGNED 4 XSASAVEB USED FOR SAVING REG 14
32 (20) ADDRESS 4 XSAUSERP PTR TO USER ID, IF PRESENT. SET AT SVC ENTRY(REG 15)
32 (20) SIGNED 4 XSAWD9  
36 (24) SIGNED 4 XSARETG SAVE RETURN ADDRESS. SET AT SVC ENTRY.
36 (24) SIGNED 4 XSAWD10  
40 (28) SIGNED 4 XSAWD11  
40 (28) CHARACTER 1 XSARC SAVE AREA FOR RETURN CODE
41 (29) CHARACTER 1 * KEY OF SVC 93 CALLER
42 (2A) SIGNED 2 XSAIDAS CALLER'S ASID
44 (2C) SIGNED 4 XSAWD12  
44 (2C) ADDRESS 4 XSABUFAD TPUT/TPG BUFFER ADDRESS

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