TPOPEN() - open the BEA Tuxedo system resource manager
CALL "TPOPEN" USING TPSTATUS-REC.
TPOPEN() opens the resource manager to which the caller is linked. At most one resource manager can be linked to the caller. This routine is used in place of resource manager-specific open() calls and allows a service routine to be free of calls that may hinder portability. Since resource managers differ in their initialization semantics, the specific information needed to open a particular resource manager is placed in a configuration file.
If a resource manager is already open (that is, TPOPEN() is called more than once), no action is taken and success is returned.
Upon successful completion, TPOPEN() sets TP-STATUS to [TPOK]. More information concerning the reason a resource manager failed to open can be gotten by interrogating the resource manager in its own specific manner. Note that any calls to determine the exact nature of a resource manager's error hinder portability.
Under the following conditions, TPOPEN() fails and sets TP-STATUS to:
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