User`s guide

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Parameter Description

Data String When the A (asynchronous) control option is specified and

the request is successfully completed, the following are

returned:

Bytes 9-10 A 16-bit value representing the

destination/origin ID returned to the

application by the emulator. This function

request ID is used by the Get Request

Completion (125) function to determine the

status of this function call.

Bytes 11-14 A 4-byte value in which the semaphore

address is returned by WinHLLAPI. The

application may wait upon this semaphore.

When the semaphore is cleared, the

application must issue the Get Request

Completion (125) function call.

A semaphore address is returned for each successful asynchronous request.

The semaphore should not be used again, A new semaphore is returned for each

request and is valid for only the duration of that request.

There is no returned data string for the S (synchronous) control option.

Code Description

WHLLOK The function was successful.

WHLLNOTCONNECTED An invalid presentation space was specified, or was not

connected or the DOID was incorrect.

WHLLPARAMETERERROR An invalid option was specified.

WHLLSYSERROR The function failed due to a system error.

WHLLUNAVAILABLE The requested resource was not available.

WHLLTRANCANCL An outbound transmission from the host was canceled.

WHLLHOSTCLOST Contact with the host was lost.

WHLLOKDISABLED The function was successful.

The host inbound transmission is disabled.

Return Parameters

Note

Return Codes

Warning