Find execution for socket in UI for parallel model

TestStand 2010 sp1 and labview 2011 to start.
I'm trying to find a way to incorporate the terminate/restart functionality in my LabVIEW GUI for a parallel model. What I've done so far is rather than use the built in modelsupport2, I need my own GUI with a lot of the same functionality. I launch the GUI from the process model and pass in RunState.Engine.GetInternalOption(InternalOption_ApplicationManager) to the get the application manager reference. I use that to register a user event for the socket and to pass a notifiication (using engine and sync manager) to TestStand to start a socket.
What I'd like to do now is have the ability to terminate/restart a socket. I believe I've found the method within the execution class, but I don't know how to specify which execution to invoke that on. Is there a way to get a list of the executions? and, will I know which execution goes to which socket?
I'm not running this UI as the main UI. It is launched from within TestStand just like the modelsupport2.dll UI. Just not sure how to specify an execution to invoke the method on.
Thanks.

Bad news. I'm not quite out of the woods. Everything runs fine from the sequence editor. But when I run from my GUI, I run into issues. Socket 1 will run without issue, but socket 0 will not abort. Attached are two screen shots with probes attached. For some reason, socket 0 returns nothing for the execution manager, but socket 1 works as I'd expect. I have no idea why socket 0 doesn't play nice.
My GUI has an application manager, sequence file manager and execution manager running, but what gets passed in to this GUI is from TestStand. I don't see that there should be a difference in functionality here.
Attachments:
Socket0 error.JPG ‏128 KB
Socket1 works.JPG ‏113 KB

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TNS for 32-bit Windows: Version 10.2.0.1.0 - Production
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|   1 | PX COORDINATOR      |          |      1 |        | 10000 |00:00:00.20 |       3 |
|   2 |   PX SEND QC (RANDOM)| :TQ10000 |      0 | 10000 |      0 |00:00:00.01 |       0 |
|   3 |    PX BLOCK ITERATOR |          |      0 | 10000 |      0 |00:00:00.01 |       0 |
|* 4 |     TABLE ACCESS FULL| T        |      0 | 10000 |      0 |00:00:00.01 |       0 |
SQL_ID 9dkmu9bdhg5h0, child number 1        <-- Slave(s)
insert /*+ gather_plan_statistics */ into t select * from t
PLAN_TABLE_OUTPUT
Plan hash value: 3050126167
| Id | Operation            | Name     | Starts | E-Rows | A-Rows |   A-Time | Buffers |
|   1 | PX COORDINATOR      |          |      0 |        |      0 |00:00:00.01 |       0 |
|   2 |   PX SEND QC (RANDOM)| :TQ10000 |      0 | 10000 |      0 |00:00:00.01 |       0 |
|   3 |    PX BLOCK ITERATOR |          |      1 | 10000 |   2628 |00:00:00.20 |      16 |
|* 4 |     TABLE ACCESS FULL| T        |      4 | 10000 |   2628 |00:00:00.02 |      16 |
SQL>
SQL> select sql_id, child_number, executions, px_servers_executions
2 from v$sql where sql_id = '&sql_id'; <-- 2 child cursors here
SQL_ID                                  CHILD_NUMBER EXECUTIONS
PX_SERVERS_EXECUTIONS
9dkmu9bdhg5h0                                      0          1
                    0
9dkmu9bdhg5h0                                      1          0
                    4
SQL>
SQL> set serveroutput on
-- check mismatch
SQL> exec print_table('select * from v$sql_shared_cursor where sql_id = ''&sql_id''');
Enter value for sql_id: 9dkmu9bdhg5h0
SQL_ID                        : 9dkmu9bdhg5h0
ADDRESS                       : 6AD85A70
CHILD_ADDRESS                 : 6BA596A8
CHILD_NUMBER                  : 0
UNBOUND_CURSOR                : N
SQL_TYPE_MISMATCH             : N
OPTIMIZER_MISMATCH            : N
OUTLINE_MISMATCH              : N
STATS_ROW_MISMATCH            : N
LITERAL_MISMATCH              : N
SEC_DEPTH_MISMATCH            : N
EXPLAIN_PLAN_CURSOR           : N
BUFFERED_DML_MISMATCH         : N
PDML_ENV_MISMATCH             : N
INST_DRTLD_MISMATCH           : N
SLAVE_QC_MISMATCH             : N
TYPECHECK_MISMATCH            : N
AUTH_CHECK_MISMATCH           : N
BIND_MISMATCH                 : N
DESCRIBE_MISMATCH             : N
LANGUAGE_MISMATCH             : N
TRANSLATION_MISMATCH          : N
ROW_LEVEL_SEC_MISMATCH        : N
INSUFF_PRIVS                  : N
INSUFF_PRIVS_REM              : N
REMOTE_TRANS_MISMATCH         : N
LOGMINER_SESSION_MISMATCH     : N
INCOMP_LTRL_MISMATCH          : N
OVERLAP_TIME_MISMATCH         : N
SQL_REDIRECT_MISMATCH         : N
MV_QUERY_GEN_MISMATCH         : N
USER_BIND_PEEK_MISMATCH       : N
TYPCHK_DEP_MISMATCH           : N
NO_TRIGGER_MISMATCH           : N
FLASHBACK_CURSOR              : N
ANYDATA_TRANSFORMATION        : N
INCOMPLETE_CURSOR             : N
TOP_LEVEL_RPI_CURSOR          : N
DIFFERENT_LONG_LENGTH         : N
LOGICAL_STANDBY_APPLY         : N
DIFF_CALL_DURN                : N
BIND_UACS_DIFF                : N
PLSQL_CMP_SWITCHS_DIFF        : N
CURSOR_PARTS_MISMATCH         : N
STB_OBJECT_MISMATCH           : N
ROW_SHIP_MISMATCH             : N
PQ_SLAVE_MISMATCH             : N
TOP_LEVEL_DDL_MISMATCH        : N
MULTI_PX_MISMATCH             : N
BIND_PEEKED_PQ_MISMATCH       : N
MV_REWRITE_MISMATCH           : N
ROLL_INVALID_MISMATCH         : N
OPTIMIZER_MODE_MISMATCH       : N
PX_MISMATCH                   : N
MV_STALEOBJ_MISMATCH          : N
FLASHBACK_TABLE_MISMATCH      : N
LITREP_COMP_MISMATCH          : N
SQL_ID                        : 9dkmu9bdhg5h0
ADDRESS                       : 6AD85A70
CHILD_ADDRESS                 : 6B10AA00
CHILD_NUMBER                  : 1
UNBOUND_CURSOR                : N
SQL_TYPE_MISMATCH             : N
OPTIMIZER_MISMATCH            : N
OUTLINE_MISMATCH              : N
STATS_ROW_MISMATCH            : N
LITERAL_MISMATCH              : N
SEC_DEPTH_MISMATCH            : N
EXPLAIN_PLAN_CURSOR           : N
BUFFERED_DML_MISMATCH         : N
PDML_ENV_MISMATCH             : N
INST_DRTLD_MISMATCH           : N
SLAVE_QC_MISMATCH             : N
TYPECHECK_MISMATCH            : N
AUTH_CHECK_MISMATCH           : N
BIND_MISMATCH                 : N
DESCRIBE_MISMATCH             : N
LANGUAGE_MISMATCH             : N
TRANSLATION_MISMATCH          : N
ROW_LEVEL_SEC_MISMATCH        : N
INSUFF_PRIVS                  : N
INSUFF_PRIVS_REM              : N
REMOTE_TRANS_MISMATCH         : N
LOGMINER_SESSION_MISMATCH     : N
INCOMP_LTRL_MISMATCH          : N
OVERLAP_TIME_MISMATCH         : N
SQL_REDIRECT_MISMATCH         : N
MV_QUERY_GEN_MISMATCH         : N
USER_BIND_PEEK_MISMATCH       : N
TYPCHK_DEP_MISMATCH           : N
NO_TRIGGER_MISMATCH           : N
FLASHBACK_CURSOR              : N
ANYDATA_TRANSFORMATION        : N
INCOMPLETE_CURSOR             : N
TOP_LEVEL_RPI_CURSOR          : N
DIFFERENT_LONG_LENGTH         : N
LOGICAL_STANDBY_APPLY         : N
DIFF_CALL_DURN                : Y      <-- Mismatch here. diff_call_durn
BIND_UACS_DIFF                : N
PLSQL_CMP_SWITCHS_DIFF        : N
CURSOR_PARTS_MISMATCH         : N
STB_OBJECT_MISMATCH           : N
ROW_SHIP_MISMATCH             : N
PQ_SLAVE_MISMATCH             : N
TOP_LEVEL_DDL_MISMATCH        : N
MULTI_PX_MISMATCH             : N
BIND_PEEKED_PQ_MISMATCH       : N
MV_REWRITE_MISMATCH           : N
ROLL_INVALID_MISMATCH         : N
OPTIMIZER_MODE_MISMATCH       : N
PX_MISMATCH                   : N
MV_STALEOBJ_MISMATCH          : N
FLASHBACK_TABLE_MISMATCH      : N
LITREP_COMP_MISMATCH          : N
PL/SQL procedure successfully completed.

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