TS/MP Pathsend and Server Programming Manual (G06.24+, H06.03+)

Pathsend Procedure Call Reference
NonStop TS/MP Pathsend and Server Programming Manual–132500
5-11
Considerations
is used for nowait I/O only. The tag is stored by the system and then passed back
to the application by the AWAITIOX procedure when the nowait operation is
completed. You can use the tag parameter to identify multiple nowait I/O
operations. For waited I/O, this parameter is not used and can be omitted.
The default is 0D.
Considerations
If the SERVERCLASS_DIALOG_BEGIN_ procedure fails but does not return a valid
dialog identifier, the dialog was never created. In this case, there is no need to abort the
dialog.
For additional considerations, refer to Usage Considerations for Pathsend Procedures
at
the end of this section.