Allow DT to "trap" on calls made to linked in C modules under CICS (in a long running C based task)

Consider the following scenario (we use RD/z with Debug Tool):<br /><br />CICS Region Startup (driven by CICS PLTPI initiation) <br />CFISTRT1 <br />    … <br />    … <br />    CICS LINK UMISTART <br />          CICS LINK UMQSCHED <br />                CICS START UMQSERVI (Long Running task) <br />    … <br />    … <br />End CFISTRT1 (Startup Code) <br /><br />… <br />…      Some time goes by <br />… <br /><br />UMQSERVI <br />    … <br />    … Some initialization code here <br />    … <br />    Do while (1)                                    Do Forever <br />          …           <br />… Some application logic here <br />          … <br />          … <br />          Status = UMQRESND (a, b, c);    <-----------------Trying to stop when this module is invoked <br />    … <br />    … <br />/*------------------------------------------------------------*/ <br />/* Build ecb list for waiting                                                                  */ <br />/* 3 conditions waited on                                                                          */ <br />/*      - Shutdown command, ecb in ccanchor                                            */ <br />/*      - Timer from a new msg, ecb in ccanchor                                    */ <br />/*      - Interval from the POST command below, calc by UMQCALCI */ <br />/*------------------------------------------------------------*/ <br />ecb_list[0] = &ccanchor_ptr->umqshutd;                          <br />ecb_list[1] = &ccanchor_ptr->umqtimer;                          <br />… <br />… <br />/*------*/                               <br />/* Wait */                               <br />/*------*/                               <br />ecb_list_ptr = &ecb_list;                <br /><br />EXEC CICS WAIT                           <br />        EXTERNAL                       <br />        ECBLIST      (ecb_list_ptr)       <br />        NUMEVENTS (UMQSERVI_EVENTS);   <br /><br />    End While <br />End of module UMQSERVI <br /><br />UMQSERVI is the Load Module <br />UMQRESND is an object module linked into UMQSERVI <br /><br />With the Call to UMQRESND, we cannot get DT to stop consistently when it enters UMQRESND.<br /><br />DT support tell me that it is in the C runtime that the problem lies in. In other words, the called module is not a C enclave.<br /><br />From DT Support:<br /><br />For long running tasks running C, DT only gets the chance to pattern match (and decide to start up) at enclave (or "CICS Program") start. <br />Since there is no enclave start in the DO FOREVER loop, nothing calls DT to do pattern matching, so DT does not start.