Close Stream (QzdmCloseStream) API

Required Parameter Group:

1	Request variable	Input	Char(*)
2	Length of request variable	Input	Binary(4)
3	Format name of request variable	Input	Char(8)
4	Error code	I/O	Char(*)

  Library Name / Service Program: QSOC/QZDMMDTA

  Default Public Authority: *EXCLUDE

  Threadsafe: No

The Close Stream (QzdmCloseStream) API is used to close an OptiConnect stream. The Close Stream (QzdmCloseStream) API should be performed after the stream is no longer needed to free the system resources associated with the stream.

Restrictions

The following restrictions apply:

The OptiConnect QSOC subsystem must be started on the system prior to calling this API.
A stream must be opened to the OptiConnect device driver on the system by using the Open Stream (QzdmOpenStream) API prior to calling this API.

Authorities and Locks

Service Program Authority: *EXECUTE

Required Parameter Group

Request variable: INPUT; CHAR(*)
The request variable structure that describes the input for the Close Stream (QzdmCloseStream) API.
Length of request variable: INPUT; BINARY(4)
The length of the request variable, in bytes. The length of the request variable must be at least equal to the length of the input format, and less than or equal to the maximum length of 4KB.
Format name of request variable: INPUT; CHAR(8)
The format of the information that is provided as input for the Close Stream (QzdmCloseStream) API. The CSTR0100 format is used by this API for the request variable. See CSTR0100 Format for more information on the CSTR0100 format.
Error code: I/O; CHAR(*)
The structure in which to return error information. For the format of the structure, see Error Code Parameter.

CSTR0100 Format

The following table defines the information required for Format CSTR0100.

Offset		Type	Field
Dec	Hex	Type	Field
0	0	CHAR(16)	Stream identifier

Field Descriptions

Stream identifier. The OptiConnect stream that is to be closed. This field is provided as output with the Open Stream (QzdmOpenStream) API.

Error Messages

Message ID	Error Message Text
CPF24B4 E	Severe error while addressing parameter list.
CPF3C1D E	Length specified in parameter &1 not valid.
CPF3C21 E	Format name &1 is not valid.
CPF3C90 E	Literal value cannot be changed.
CPF3CF1 E	Error code parameter not valid.
CPF9872 E	Program or service program &1 in library &2 ended. Reason code &3.
CPFADF0 E	The OptiConnect QSOC subsystem must be active.
CPFADF1 E	OptiConnect communication error.
CPFADF5 E	OptiConnect API internal error, function code &1, return code &2.
CPFADF6 E	Request variable not valid, reason code &1.

API introduced: V3R7

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