PL/I example: Disconnecting from a queue manager

This example demonstrates how to use the MQDISC call to disconnect a program from a queue manager in z/OS® batch.

This extract is not taken from the sample applications supplied with IBM® MQ.

For the names and locations of the sample applications, see Using the sample procedural programs for z/OS.

     %INCLUDE SYSLIB(CMQP);
     %INCLUDE SYSLIB(CMQEPP);
     :
     /****************************************************/
     /* WORKING STORAGE DECLARATIONS                     */
     /****************************************************/
     DCL COMPCODE                  BINARY FIXED (31);
     DCL REASON                    BINARY FIXED (31);
     DCL HCONN                     BINARY FIXED (31);
 ⋮
     /****************************************************/
     /* DISCONNECT FROM THE QUEUE MANAGER                */
     /****************************************************/
     CALL MQDISC (HCONN,       /* CONNECTION HANDLE      */
                  COMPCODE,    /* COMPLETION CODE        */
                  REASON);     /* REASON CODE            */
 
/**************************************************************/
/* TEST THE COMPLETION CODE OF THE DISCONNECT CALL.           */
/* IF THE CALL HAS FAILED ISSUE AN ERROR MESSAGE              */
/* SHOWING THE COMPLETION CODE AND THE REASON CODE.           */
/**************************************************************/
     IF COMPCODE ¬= MQCC_OK
        THEN DO;
          ⋮
          CALL ERROR_ROUTINE;
        END;