OSI/AS Programming Manual

Contents
vi 056783 Tandem Computers Incorporated
Dynamic and Static Subdevices 2-20
Reusing Static Subdevices 2-21
Wait and Nowait Mode 2-22
Wait Mode 2-22
Nowait Mode 2-22
Fault Tolerance 2-23
Before Running Your Application Program 2-24
Calling an APS Procedure 2-25
Types of APS Procedures 2-25
Status and Error Information 2-25
Initializing the API 2-27
Establishing a Connection 2-27
Establishing a Connection as the Calling User 2-28
Establishing a Connection as the Responding User 2-30
Sending and Retrieving User Data 2-33
Defining User Data Buffers 2-33
Sending User Data 2-44
Retrieving User Data 2-47
Basic Concatenation 2-49
Releasing a Connection 2-50
Requesting an Orderly Release 2-50
Responding to a Release Indication 2-51
Aborting a Connection 2-52
Discarding the Context for a Connection 2-53
Provider Abort 2-53
Remote User Abort 2-54
Section 3 APS Procedure Calls
Files Provided by Tandem 3-1
Procedure Names 3-1
Procedure Call Descriptions 3-3
APS_ACTIVITY_DISCARDREQ_ 3-6
APS_ACTIVITY_DISCARDRSP_ 3-8