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The bits defined in the IPCMASK field are: IPCLPC - X'80' - Enable for Type 01 - Pending connection IPCLCC - X'40' - Enable for Type 02 - Connection complete IPCLPS - X'20' - Enable for Type 03 - Path severed IPCLPQ - X'lO' - Enable for Type 04 - Path quiesced IPCLPR - X'08' - Enable for Type 05 - Path resumed X'04' - Reserved (Should be set to zero) X'02' - Reserved (Should be set to zero) X'Ol' - Reserved (Should be set to zero)
Exceptions generated by this function (ABENDs generated for CP system
code):
Operation Protection An external interrupt buffer has not been declared via the
DECLARE BUFFER function.
Invoker not in supervisor state.
Invalid parameter list address. The storage key of the spec­
ified address does not match the key of the user. SET MASK Function SETMASK Parameter List Format
1 2 3 5 6 7 IPMASK I ////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////// INPUTs to this function (built in the parameter list by the lUCY macro or by
the invoker): IPMASK OUTPUTs from this function returned in the parameter list: NONE Inter-User Communications Vehicle 155

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Mask bits defined in the IPMASK field are: IPSNDN - X'80' - Enable for nonpriority message interrupts. IPSNDP - X'40' - Enable for priority message interrupts. IPRPYN - X'20' - Enable for nonpriority reply interrupts. IPRPYP - X'lO' - Enable for priority reply interrupts. IPCTRL - X'08' - Enable for IUCV control interrupts. X'04' - RESERVED (Should be set to zero) X'02' - RESERVED (Should be set to zero) X'Ol' - RESERVED (Should be set to zero) • Exceptions generated by this function (ABENDs generated for CP system
code): Operation Protection SEVER Function
An external interrupt buffer has not been declared via the
DCLBFR function.
Invoker not in supervisor state.
Invalid parameter list address. The storage key of the spec­
ified address does not match the key of the user. SEVER Parameter List Format
1 2 3 4 5 6 7 IPPATHID IIPFLAGSI IIPRCODE1 //////////////////////////////
////////////////////////////////////////////////////////////////
IPUSER
IPUSER
//////////////////////////////////////////////////////////////// • INPUTs to this function (built in the parameter list by the IUCV macro or by
the invoker): IPFLAGS 1 IPP ATHID IPUSER • OUTPUTs from this function returned in the parameter list: IPRCODE 156 VM/SP System Programmer's Guide