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Names: »ENVIRONMENT_RELEASE12_2_4_LPT«
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Rational Environment Release Information
D_12_2_4 Release
\f
Copyright 1991 by Rational
Part Number: 508-003207-004
March 1991 (Software Rev. D_12_2_4)
Rational and R1000 are registered trademarks and Rational
Environment and Rational Subsystems are trademarks of Rational.
Rational
3320 Scott Boulevard
Santa Clara, California 95054-3197
\f
D_12_2_4 Release
1. Overview
This D_12_2_4 release of the Rational Environment supports the
R1000 series 400. Previous releases of the Environment cannot be
run on the series 400 (either the System or the Coprocessor
configuration).
For the most part, the user-visible features of D_12_2_4 are
identical to the D_12_1_1 release, which supports the R1000
series 100, 200, and 300. However, there are some important
differences between the two releases. In particular, D_12_2_4:
* Introduces new Environment login tokens.
* Fixes several problems in the D_12_1_1 release.
* Provides updated training software.
This release note describes only the Environment features that
differ from the D_12_1_1 release. Therefore, you should use this
release note to supplement the D_12_1_1 release note, entitled
Rational Environment Release Information D_12_1_1 Release.
2. Supported Configurations and Upgrades
D_12_2_4 supports the following configurations of the R1000:
* Series 400, System and Coprocessor configurations.
3. Compatibility
Same as D_12_1_1.
4. Upgrade Impact
None.
5. Known Problems
Same as for D_12_1_1, except:
* The problem listed in section 5.6 of the D_12_1_1 release note
has been fixed. That is, differences between two generations
can now be displayed correctly, regardless of the nature of
the differences.
* The problem listed in section 5.14 of the D_12_1_1 release
note now has a workaround. This workaround is presented with
change bars in section 5.1.
RATIONAL March 1991 1\f
Rational Environment Release Information
5.1. Workaround for Token Management Problem
When a user session references any of a product's facilities, the
referencing session acquires one of the product's tokens. When
all of the product's tokens are in use, any session attempting to
use the product will have to wait until a token has been
released.
A problem exists in D_12_2_4 with the way tokens are released. A
session should release its token when it is finished -- that is,
when the following two conditions are met:
* The session logs out.
* All of the session's background jobs have terminated.
However, by default, the token is not released unless a third
condition also is met: namely, that another session attempts to
get the token. Because of this third condition, a single user
could effectively "lock up" a token indefinitely simply by using
the product, logging off, and then logging back in first thing
the next morning. If no other session has attempted to get the
token in the meantime, the original user automatically re-obtains
the token, even if he or she doesn't actually use the relevant
product.
| The workaround for this problem is to periodically execute the
| Show_Tokens command from another session to release any tokens
| that are implicitly attached to finished sessions. Executing
| Show_Tokens after a user's session is finished prevents the user
| from re-obtaining a token unless he or she actually uses the
| relevant product.
6. New Environment Interfaces
Same as D_12_1_1, except as noted in the following sections:
6.1. New Tokens for Managing Per-Session Pricing
Declarations for managing per-session pricing in D_12_2_4 work as
described in section 6.12 of the D_12_1_1 release note. However,
D_12_2_4 has added two new types of Environment login tokens
which represent concurrent Environment sessions on the series
400, namely:
* Full Session, which represents a series 400 Environment
session that permits complete Environment capabilities.
* Fundamental Session, which represents a series 400 Environment
session that permits only basic Environment capabilities.
Fundamental sessions are available only on systems for
European sites.
2 March 1991 RATIONAL\f
D_12_2_4 Release
The Full Session token on a series 400 is equivalent to the Login
token on a series 300. Customers cannot transfer Login tokens to
a series 400 machine; nor can they transfer Full Session (or
Fundamental Session) tokens to a series 300 machine. Login, Full
Session, and Fundamental Session may not be mixed on the same
machine.
Because Fundamental Sessions are available only in Europe, they
are not on the U.S. price list, and the number of Fundamental
Session tokens is set to 0 for all U.S. customers. The number of
Login tokens on a series 400 system is always set to 0.
RATIONAL March 1991 3\f
Rational Environment Release Information
Note that the Show_Tokens command shows all token types,
regardless of the type of machine:
Product Users Limit Current Buy_Out
-------- ------------------- ----- ------- -------
Login 0 0 12
X Interface 0 0 12
Full Session 2 2 12
OPERATOR.S_1
OPERATOR.S_2
Fundamental Session 0 0 12
Design_Facility 0 0 12
6.2. New Declarations in Package Work_Order_Implementation
Package !Implementation.Work_Order_Implementation contains two
new functions:
function Create_User_Name (The_Order : Work_Order_Handle)
return String;
function Close_User_Name (The_Order : Work_Order_Handle)
return String;
Note that this package also contains a changed declaration; see
section 7.2.
7. Changes from D_10_20_0
Same as D_12_1_1, except as noted below.
7.1. Changes to Workorders
Bugs were fixed so that using Archive.Save or Archive.Copy on
large (300 Kb to 400 Kb) workorders no longer raises
Storage_Error.
7.2. Spec Change in Package Work_Order_Implementation
A change has been made to package
!Implementation.Work_Order_Implementation'Spec. This change
affect tools you plan to port to an R1000 running D_12_2_4. In
particular, you must recompile any customer-created tools that
were created under previous Environment releases if those tools
are compiled against
!Implementation.Work_Order_Implementation'Spec. Furthermore, you
may need to modify those tools to accommodate a change to the
parameter list in the generic procedure
Work_Order_Operations.Traverse_Comments. This change fixes a
problem in D_12_1_1.
4 March 1991 RATIONAL\f
D_12_2_4 Release
The generic procedure now has the following specification, which
provides a new parameter called User_Name:
generic
with procedure Visit (The_User : User_Id;
User_Name : String;
The_Comment : String;
The_Element : Element_Name;
The_Time : Calendar.Time);
procedure Traverse_Comments
(For_Work_Order : Work_Order_Handle; Success : out
Status);
Note that package Work_Order_Implementation also contains new
declarations; see section 6.2.
8. Documentation
Hardcopy documentation is the same as for D_12_1_1.
Online documentation is the same as for D_12_1_1, except that a
few minor problems with the online help for switches have been
corrected.
9. Training
D_12_2_4 includes release 1_0_0 of the training software for
current courses. It includes software for the following courses:
Rational Environment Training: System Management
Rational Environment Training: Fundamentals
Rational Environment Training: Advanced Topics
Rational Environment Training: Subsystems and Configuration
Management
Rational Environment Training: Project Development Methods
Rational Environment Training: Toolsmithing
Rational Network Training
Rational Design Facility Training: DOD-STD-2167
Rational Design Facility Training: DOD-STD-2167 Product
Customization
Rational Design Facility Training: Fundamentals and DOD-STD-2167A
Rational Design Facility Training:
Toolsmithing and DOD-STD-2167A Customization
Rational Universal Host Training: MC68020/Bare
Cross-Development Facility
Rational Universal Host Training:
MC68020/OS-2000 Cross-Development Facility
The training software for the following course is not available
now:
RATIONAL March 1991 5\f
Rational Environment Release Information
Rational Universal Host Training: MC68020/UNIX Cross-Development
Facility
To save disk space, the courses are in archived format. See the
separate hardcopy "Training Release 1_0_0 Installation
Procedures" for instructions for restoring the archive and
installing individual courses.
6 March 1991 RATIONAL\f
D_12_2_4 Release
Contents
1. Overview 1
2. Supported Configurations and Upgrades 1
3. Compatibility 1
4. Upgrade Impact 1
5. Known Problems 1
5.1. Workaround for Token Management Problem 2
6. New Environment Interfaces 2
6.1. New Tokens for Managing Per-Session Pricing 2
6.2. New Declarations in Package Work_Order_Implementation 4
7. Changes from D_10_20_0 4
7.1. Changes to Workorders 4
7.2. Spec Change in Package Work_Order_Implementation 4
8. Documentation 5
9. Training 5
RATIONAL March 1991 iii\f
Rational Environment Release Information
iv March 1991 RATIONAL\f