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Technical Reference: Communications, Volume 1


DL_TOKEN_REQ Primitive

Purpose

Requests that a connection-response token be assigned to the stream and returned to the data link service (DLS) user.

Structure

The primitive consists of one M_PCPROTO message block, which contains the following structure:
typedef struct
{
   ulong dl_primitive;
} dl_token_req_t;

Description

The DL_TOKEN_REQ primitive requests that a connection-response token be assigned to the stream and returned to the DLS user. This token can be supplied in the DL_CONNECT_RES primitive to indicate the stream on which a connection is to be established.

Note: This primitive applies to connection mode.

Parameters


dl_primitive Specifies the DL_TOKEN_REQ primitive.

States


Valid The primitive is valid in any state in which a local acknowledgement is not pending.
New The resulting state is unchanged.

Acknowledgments

The DLS provider responds to the information request with a DL_TOKEN_ACK primitive.

Implementation Specifics

This primitive is part of Base Operating System (BOS) Runtime.

Related Information

The DL_CONNECT_RES primitive, DL_TOKEN_ACK primitive.


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