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Compaq AAPVNFGTE manual Acmsdipoll, Callcontext Type void * Access write Mechanism by reference

Models: AAPVNFGTE

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acmsdi_poll

4.13 acmsdi_poll

TP Desktop Connector client programs call this nonblocking service to check for and process messages sent from a TP Desktop Connector gateway to an active submitter in the desktop application. The application must periodically call this service in a forced nonblocking environment to check for completion of outstanding acmsdi_sign_in, acmsdi_call_task, acmsdi_cancel, and acmsdi_ sign_out requests. The acmsdi_poll call also checks for the arrival of an exchange step from the back end. (For more information, see Compaq TP Desktop Connector for ACMS Client Application Programming Guide).

The acmsdi_poll service returns a pointer to the call context acquired from the user application when the just-completed call was issued. Storage for this 32- bit integer must exist in the client application’s memory. The client application can compare this pointer with that returned by the acmsdi_return_pointer service to identify the completed call. The call context is identified by matching the values.

Format

acmsdi_poll (submitter_id, call-context)

Parameters

submitter_id

Type: ACMSDI_SUBMITTER_ID

Access: read

Mechanism: by reference

The submitter_id returned by the acmsdi_sign_in service. The submitter identifier is used to identify the submitter for which the call is being issued. The acmsdi_poll service passes the submitter identifier as a read- only argument. TP Desktop responds with either the message type received from the back end for that submitter or a return code indicating that there is no message.

call_context Type: void * Access: write Mechanism: by reference

This call writes the pointer to the call context into this optional parameter. This context identifies the call message that has arrived from the back end.

4–30Forced Nonblocking Client Services

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Compaq AAPVNFGTE manual Acmsdipoll, Callcontext Type void * Access write Mechanism by reference
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AAPVNFGTE specifications

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