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Comp.Object FAQ Version 1.0.9 (04-02) Part 12/13

( Part1 - Part2 - Part3 - Part4 - Part5 - Part6 - Part7 - Part8 - Part9 - Part10 - Part11 - Part12 - Part13 )
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Archive-name: object-faq/part12
Last-Modified: 04/02/96
Version: 1.0.9

See reader questions & answers on this topic! - Help others by sharing your knowledge
The OOD slides do NOT cover OMT.  Some material is used from Booch's
OOD book, but not the notation.  From looking at the slides, it appears
very easy to insert your own notation.  The important part for students
is communicating the concepts, which (for the price) these slides do
a DAMN good job of. <- (Safire's Violation #45: "A perposition is a 
bad thing to end a sentence with." :-)

Ah, but WHERE on WUArchive are they?  If you look under 
languages/ada/crsware, I believe you'll find them.  Good luck!

type My_Disclaimer is new Standard.Disclaimer with record
	AJPO, SEI : Cognizance := Disavow_All_Knowledge;
end record;--)

>52 GTE Distrib Reports

From: (Emon)
Subject: Reports Available From The Distributed Object Computing Department
Date: 5 Nov 93 18:10:15 GMT
Organization: GTE Laboratories, Inc.

                        REPORTS AVAILABLE FROM
                        40 Sylvan Road, M/S 62
                     Waltham, Massachusetts 02254

For over six years, the primary focus of the Distributed Object Computing
Department within GTE Laboratories has been the Distributed Object
Management (DOM) project. The DOM project conducts research into
object-oriented technology for integrating heterogeneous, autonomous,
distributed (HAD) computer systems/resources. Major research areas include:
interoperable object models; interoperable, distributed object
architectures; heterogeneous, extended transaction models; and information
requests in HAD environments. We are experimenting in these areas using our
prototype DOM system which we have developed over the past five years. This
technology is based on ideas from a number of technical areas including
distributed, object-oriented, databases, multi-database systems, operating
systems, and programming languages.

Permission is granted at this time for the operations and uses listed
below. However, this permission is non-transferable and is subject to
revocation on a report-by-report basis, due to possible copyright transfers
that are normal in the publication process. Any additional copyright
restrictions are noted in the reports themselves. Default permissions are
for anonymous ftp, electronic viewing, and single-copy printing.
Permissible uses are research and browsing. Specifically prohibited are
SALES of any copy, whether electronic or hardcopy, of any of these reports
for any purpose. Also prohibited is copying, excerpting or extensive
quoting of any report in another work without the written permission of one
of the report's authors.

Reports marked with a "*" can be retrieved in postscript(ascii) form via
anonymous ftp from ( in the "pub/dom" subdirectory.
 >>>>>>>>> 1994

[GEOR94a]*   Georgakopoulos, D., M. Rusinkiewicz, and W. Litwin,
"Chronological Scheduling of Transactions with Temporal Dependencies," to
appear in the VLDB journal, January 1994 (submitted in December 1990). 

[GEOR94b]*   Georgakopoulos, D., M. Hornick, P. Krychniak, and F. Manola,
"Specification and Management of Extended Transactions in a Programmable
Transaction Environment," to appear in the Proceedings of the 10th
International Conference on Data Engineering, Houston, Texas, February
1994. Also published as TC-0207-02-93-165, GTE Laboratories Incorporated,
February 1993.

 >>>>>>>>> 1993

[BROD93a]*   Brodie, M.L., "The Promise of Distributed Computing and the
Challenge of Legacy Information Systems," in Hsiao, D., E.J. Neuhold, and
R. Sacks-Davis (eds), Proc. IFIP TC2/WG2.6 Conference on Semantics of
Interoperable Database Systems, Lorne, Australia, November 1992, Elsevier
North Holland, Amsterdam 1993.

[BROD93b]*   Brodie, M.L. and M. Stonebraker, "DARWIN: On the Incremental
Migration of Legacy Information Systems," DOM Technical Report,
TR-0222-10-92-165, GTE Laboratories Inc., March 1993.

[GEOR93a]*   Georgakopoulos, D., M. Hornick, and P. Krychniak, "An
Environment for Specification and Management of Extended Transactions in
DOMS," to appear in Proceedings of the 3rd International Workshop on
Interoperability in Multidatabase Systems, Vienna, Austria, April 1993.

[GEOR93c]*   Georgakopoulos, D., M. Rusinkiewicz and A. Sheth, "Using
Ticket-based Methods to Enforce the Serializability of Multidatabase
Transactions," to appear in the IEEE Transactions on Data and Knowledge
Engineering December 1993 (submitted in February 1992).

[GEOR93e]*   Georgakopoulos, D., M. Hornick, F. Manola, M. Brodie, S.
Heiler, F. Nayeri, and B. Hurwitz, "An Extended Transaction Environment for
Workflows in Distributed Object Computing," in IEEE Data Engineering, pp.
24-27, vol. 16, no. 2, June 1993.

[MANO93a]   Manola, F., "The Need for Object Model Interoperability,"
Workshop Report, Workshop on Application Integration Architectures, Dallas,
Texas, February 1993

[MANO93c]*   Manola, F. and S. Heiler, "A 'RISC' Object Model for Object
System Interoperation: Concepts and Applications," TR-0231-08-93-165, GTE
Laboratories, Inc., August 1993.

[MITC93a]   Mitchell, G., "Extensible Query Processing in an
Object-Oriented Database," PhD Thesis, Brown University Technical Report
No. CS-93-16, May 1993. Available in hard copy from Brown University,
Computer Science Department, and postscript format via anonymous ftp from as file techreports/93/

[NAYE93c]*   Nayeri, F., and B. Hurwitz, "Experiments with Dispatching in a
Distributed Object System," GTE Laboratories, Inc., TR-0236-09-93-165, July

[NAYE93d]*   Nayeri, F., "Addressing Component Interoperability in the OMG
Object Model," position paper submitted to ORB Implementors' Workshop, San
Francisco, June 1993.

[NICO93a]   Nicol, J., T. Wilkes, and F. Manola, "Object Orientation in
Heterogeneous Distributed Computing Systems," IEEE Computer, pp. 57-67,
Vol. 26, No.6, June 1993.

[VENT93]*   Ventrone, V. and S. Heiler, "Some Practical Advice for Dealing
with Semantic Heterogeneity in Federated Database Systems," Submitted to

 >>>>>>>>> 1992

[BGR92]*   Batra, R., D. Georgakopoulos, and M. Rusinkiewicz, "A
Decentralized Deadlock-free Concurrency Control Method for Multidatabase
Transactions," in Proceedings of 12th International Conference on
Distributed Computing Systems, Yokohama, Japan, June, 1992.

[BRO92b]*   Brodie, M.L. and J. Mylopoulos , "Artificial Intelligence and
Databases: Dawn, Midday, or Sunset?," Canadian Information Processing
/Informatique Canadienne, July/August 1992.

[BROD92c]*   Brodie, M.L. and S. Ceri, "On Intelligent and Cooperative
Information Systems," in International Journal of Intelligent and
Cooperative Information Systems 1, 2 September 1992. 

[BUCH92]   Buchmann, A.P., M.T. Ozsu, M. Hornick, D. Georgakopoulos, F.A.
Manola, "A Transaction Model for Active Distributed Object Systems," in
Database Transaction Models for Advanced Applications, A.K. Elmagarmid,
(ed.), Morgan Kaufmann, San Mateo, CA, Spring 1992.

[GEOR92]*   Georgakopoulos, D., "A Framework for Dynamic Specification of
Extended Multidatabase Transactions and Interdatabase Dependencies,"
Proceedings of Third Workshop on Heterogeneous Databases and Semantic
Interoperability, Boulder, February, 1992.

[HEIL92]   Heiler, S., S. Haradhvala, B. Blaustein, A. Rosenthal, and S.
Zdonik, "A Flexible Framework for Transaction Management in Engineering
Environments," in Database Transaction Models for Advanced Applications,
A.K. Elmagarmid (ed.), Morgan Kaufmann, San Mateo, CA, Spring 1992.

[MANO92]*   Manola, F., S. Heiler, D. Georgakopoulos, M. Hornick, M.
Brodie, "Distributed Object Management," International Journal of
Intelligent and Cooperative Information Systems 1, 1 March 1992.

[MANO92a]*   Manola, F. and S. Heiler, "An Approach To Interoperable Object
Models," Proceedings of the International Workshop on Distributed Object
Management, Edmonton, Canada, August 1992 (also in Distributed Object
Management, M.T. Ozsu, U. Dayal, and P. Valduriez (eds.), Morgan Kaufmann,
San Mateo, CA, 1993).

 >>>>>>>>> 1991

[BROD91]   Brodie, M., "Distributed Object Management Research,"
Proceedings of the Second Telecommunications Information Networking
Architecture (TINA) Workshop, pp. 297-303, Chantilly, France, March 1991.

[BROD91a]*   Brodie, M. and M. Hornick, "An Interoperability Development
Environment For Intelligent Information Systems," Proceedings of the
International Workshop on the Development of Intelligent Information
Systems, Niagara-on-the-Lake, April 1991.

[BUCH91]*   Buchmann, A.P., M. Tamer Ozsu, and D. Georgakopoulos, "Towards
a Transaction Management System for DOM," TR-0146-06-91-165, GTE
Laboratories Incorporated, June 1991.

[GEOR91a]*   Georgakopoulos, D., M. Rusinkiewicz, and A. Sheth, "On
Serializability of Multidatabase Transactions Through Forced Local
Conflicts," Proceedings of the 7th International Conference on Data
Engineering, Kobe, Japan, April 1991.

[GEOR91b]*   Georgakopoulos, D., "Multidatabase Recoverability and
Recovery," Proceedings of the First International Workshop on
Interoperability in Multidatabase Systems, Kyoto, Japan, April 1991.

[GRL91]   Georgakopoulos, D., M. Rusinkiewicz, and W. Litwin,
"Chronological Scheduling of Transactions with Temporal Dependencies," in
the VLDB journal, available draft also as a Technical Report from the
Department of Computer Science at the University of Houston, UH-CS-91-03,
February, 1991.

[HEIL91]*   Heiler, S., "Extended Data Type Support in Distributed DBMS
Products: A Technology Assessment and Forecast," TR-170-12-91-165. GTE
Laboratories Incorporated, December 1991.

[HORN91]*   Hornick, M.F., J.D. Morrison, and F. Nayeri, "Integrating
Heterogeneous, Autonomous, Distributed Applications Using the DOM
Prototype," TR-0174-12-91-165. GTE Laboratories Incorporated, December

[MANO91]   Manola, F. and U. Dayal, "An Overview of PDM: An Object-Oriented
Data Model," in K.R. Dittrich, U. Dayal, and A.P. Buchmann (eds.), On
Object-Oriented Database Systems, Springer-Verlag, 1991.

[MANO91a]*   Manola, F., "Object Data Language Facilities for Multimedia
Data Types," TR-0169-12-91-165. GTE Laboratories Incorporated, December

[MANO91b]   Manola, F., "The Third-Generation/OODBMS Manifesto, Commercial
Version," SIGMOD Record, Vol. 20, No. 4, December 1991.

[RUSI91]   Rusinkiewicz, M. and D. Georgakopoulos, "Multidatabase
Transactions: Impediments and Opportunities," Compcon Spring '91 Digest of
Papers, San Francisco, February 1991.

[VENT91]   Ventrone, V. and S. Heiler, "Semantic Heterogeneity as a Result
of Domain Evaluation," SIGMOD Record Special Issue: Semantic Issues in
Multidatabase Systems, Vol. 20, No. 4, December 1991.

 >>>>>>>>> 1990

[BREI90]   Breitbart, Y., D. Georgakopoulos, and M. Rusinkiewicz, A.
Silberschatz, "Rigorous Scheduling in Multidatabase Systems," Proceedings
of Workshop in Multidatabases and Semantic Interoperability, Tulsa, pp.
658-667, November 1990.

[BROD90]*   Brodie, M.L., F. Bancilhon, C. Harris, M. Kifer, Y. Masunaga,
E.D. Sacerdoti, K. Tanaka, "Next Generation Database Management Systems
Technology," in Deductive and Object-Oriented Databases, W. Kim, J-M
Nicolas, S. Nishio, (eds.), Elsevier Science Publishers, 1990.

[HEIL90]   Heiler, S., F. Manola and S. Zdonik, "An Object-Oriented
Database Approach to Federated Systems," (unpublished paper), 1990.

[MANO90]   Manola, F., "Object-Oriented Knowledge Bases," AI Expert, 5(3),
5(4), March and April 1990.

[MANO90a]*   Manola, F. and A. Buchmann "A Functional/Relational
Object-Oriented Model for Distributed Object Management: Preliminary
Description" TM-0331-11-90-165. GTE Laboratories Incorporated, December

[MANO90b]*   Manola, F., M. Hornick, and A. Buchmann "Object Data Model
Facilities for Multimedia Data Types" TM-0332-11-90-165, GTE Laboratories
Incorporated, December 1990.

[MYLO90]*   Mylopoulos, J. and M. Brodie, "Knowledge Bases and Databases:
Current Trends and Future Directions," Lecture Notes in Computer Science,
Vol. 474: Information Systems and Artificial Intelligence: Integration
Aspects, D. Karagiannia, (ed.), Springer-Verlag, New York, 1990.

[RUSI90]   Rusinkiewicz, M., D. Georgakopoulos, and R. Thomas, "RDS: A
Primitive for the Maintenance of Replicated Data Objects," Proceedings of
Second IEEE Symposium on Parallel and Distributed Processing, Dallas, pp.
658-667, December 1990.

[SILB90]   Silberschatz, A., M. Stonebraker, and J.D. Ullman (eds.), M.L.
Brodie, P. Buneman, M. Carey, A. Chandra, H. Garcia-Molina, J. Gray, R.
Fagin, D. Lomet, D. Maier, M.A. Niemat, A. Silberschatz, M. Stonebraker, I.
Traiger, J. Ullman, G. Wiederhold, C. Zaniolo, and M. Zemankova, P.A.
Bernstein, W. Kim, H.F. Korth, and A. van Tilborg, (co-authors), "Database
Systems: Achievements and Opportunities," ACM SIGMOD Record, 19, 4,
December 1990; also appeared in Communications of the ACM, Vol. 34, No.10,
pp. 110-120, October 1991.

[STON90]   Stonebraker, M. , L.A. Rowe, B. Lindsay, J. Gray, M. Carey, M.L.
Brodie, P. Bernstein, and D. Beech, "Third-Generation Data Base System
Manifesto," ACM SIGMOD Recored 19, 3, September 1990.

[ZERT90]   Zertuche, D.R. and A.P. Buchmann, "Execution Models for Active
Database Systems: A Comparison," TM-0238-01-90-165, GTE Laboratories
Incorporated, January 1990.

 >>>>>>>>> 1989

[BROD89]   Brodie, M., D. Bobrow, V. Lesser, S. Madnick, D. Tsichritzis,
and C. Hewitt, "Future Artificial Intelligence Requirements for Intelligent
Database Systems" Expert Database Systems: Proceedings From the Second
International Conference, L. Kerschberg (ed.), Benjamin/Cummings, Menlo
Park, CA, 1989.

[BROD89a]   Brodie, M. , J. Mylopoulos, "Future Intelligent Information
Systems: AI and Database Technologies Working Together," in M. Brodie, J.
Mylopoulos, (eds. and contributors), Readings in Artificial Intelligence
and Databases, Morgan Kaufmann, San Mateo, CA, 1989.

[MANO89]*   Manola, F., "Applications of Object-Oriented Database
Technology in Knowledge-Based Integrated Information Systems," GTE
Laboratories Incorporated, April 1989.

[MANO89a]*   Manola, F., "Object Model Capabilities For Distributed Object
Management," TM-0149-06-89-165, GTE Laboratories Incorporated, June 1989.

[MANO89b]*   Manola, F., "An Evaluation of Object-Oriented DBMS
Developments," TR-0066-10-89-165, GTE Laboratories Incorporated, October

[WELC89]   Welch, J.L. and A.P. Sistla, "Object-Based Concurrency Control
and Recovery Mechanisms," TM-0150-06-89-165, GTE Laboratories Incorporated,
June 1989.

 >>>>>>>>> 1988

[MANO88]*   Manola, F., "Distributed Object Management Technology,"
TM-0014-06-88-165, GTE Laboratories Incorporated, June 1988.

 >>>>>>>>> 1987

[MANO87]   Manola, F., "A Personal View of DBMS Security," Database
Security: Status and Prospects, C.E. Landwehr (ed.), Elsevier Science
Publishers B.V., North Holland, 1988, 23-34; TN CS1.1, GTE Laboratories
Incorporated, December 1987.

_[GEOR94a]* _[GEOR94b]*
_[BROD93a]* _[BROD93b]* _[GEOR93a]* _[GEOR93c]* _[GEOR93e]*
_[MANO93a]  _[MANO93c]* _[NAYE93c]* _[NAYE93d]* _[NICO93a] 
_[BGR92]    _[BRO92b]*  _[BROD92c]* _[BUCH92]   _[GEOR92]*
_[HEIL92]   _[MANO92]*  _[MANO92a]* 
_[BROD91]   _[BROD91a]* _[BUCH91]*  _[GEOR91a]* _[GEOR91b]*
_[GRL91]    _[HEIL91]*  _[HORN91]*  _[MANO91]   _[MANO91a]* 
_[MANO91b]  _[RUSI91]   _[VENT91] 
_[BREI90]   _[BROD90]*  _[HEIL90]   _[MANO90]   _[MANO90a]* 
_[MANO90b]* _[MYLO90]*  _[RUSI90]   _[SILB90]   _[STON90] 
_[BROD89]   _[BROD89a]  _[MANO89]*  _[MANO89a]* _[MANO89b]*

>53  KEOBJ, OO DSP micro-kernel

From: (Chris Bidaut)
Subject: Object kernel for DSP & RISC processors
Date: Mon, 15 Nov 1993 22:48:46
Organization: Softia, Inc.

This is an announcement for KEOBJ, an object-oriented micro-kernel for Digital
Signal Processors (DSP) and RISC processors.  This is also a request for 
comments from the Internet community. Feedback on the architecture and 
programming interface will be appreciated and incorporated into the next


KEOBJ is an object-oriented micro-kernel optimized for advanced embedded 
applications, and it particularly targets Digital Signal Processors (DSP) 
and RISC processors in multimedia environments.

Its main features are object-orientation, real-time behavior, signal processing
support, micro-kernel architecture and scalability.

1.1 Object-orientation

The kernel is a collection of system classes exported to the applications
(e.g Process, Thread, Memory, ...).
An object name space provides a way to locate any public object (e.g. IPC, 
memory) using a symbolic path.
The kernel is written in C++ and is easily portable.

1.2 Real-time behavior

The design stresses fast response time and predictability to qualify for the 
real-time label. The kernel is reentrant and preeemptable.

1.3 Signal processing support

Besides providing an architecture appropriate for most general purpose 
applications, the kernel incorporates dedicated features for signal processing
applications. This includes two phases interrupt processing, time-deadline
scheduling, Inter Process Communications, multiple memory pools, awareness of
the constraints due to a single data type (word).

1.4 Micro-kernel architecture

Probably the most important feature of the kernel is the ability to be
extended at run-time with new services such as devices drivers, public
classes (IPC, file systems, windowing systems). Applications and system
services are dynamically loaded by a COFF compatible loader.

The core kernel is customizable at run-time through a personality mechanism 
to emulate other environments (Operating systems) or to tailor the processes

1.5 Scalability

The API supports physical and virtual memory organizations with the same 

Applications source code will be portable across DSP and RISC processors.

The architecture supports symmetric multiprocessing and distribution (Available
by mid-1994).


A set of documentation about KEOBJ is available via anonymous ftp on the 
following Internet server: ( in file /pub/softia/

If you do not have access to Internet, contact me for other delivery media at:
Chris Bidaut
Telephone (408) 262-6520	Fax (408) 262-7210

>54  MindFrame for Windows

From: (Geoff Lee)
Subject: "MindFrame for Windows" (freeware) application is available for ftp
Date: Tue, 16 Nov 1993 21:07:28 GMT

	MindFrame for Windows 1.0 Release Note
	====================================== (MindFrame for Windows) is available for anonymous ftp
on It is currently in /pub/pc/win3/uploads.

"MindFrame for Windows" is a freeware application developed to
teach an object modeling approach presented in the
book: "Object-Oriented GUI Application Development" Geoff Lee,
Prentice-Hall, 1993, ISBN 0-13-363086-2.

This application is useful in many other areas as well, for
example, in Bible studying (metaphors, parables, prophecies,
types), neural modeling, ecological modeling, and task modeling.
There are 20 sample applications covering these areas. There
are also description of each of the sample application in the
on-line Help. Read "About MindFrame..." help topic for more

This is a copyrighted software, but you can freely redistribute if
you keep the release intact.

The following is the content of mdnframe.txt file in the .zip file:

1. Installation Procedure:
   DOS> mkdir MndFrame
   DOS> cd MndFrame
   DOS> copy   (or where you kept the file)
   DOS> unzip -d  (extract files into subdirectories)
   DOS> copy grid.vbx \windows\systems (your local Windows system directory)

2. Running the application:
   . In Windows, open your "File Manager"
   . Go to \MndFrame directory
   . Find the MndFrame.exe file
   . Drag the MndFrame.exe file icon into a "Program Manager" window
   . Open the MndFrame.exe program

3. Sample applications:
   Once you are in the MindFrame application, open files in the 
   \MndFrame\Samples subdirectories. There are 20 sample files organized
   according to areas of application (e.g., object modeling, neural
   modeling, bible studying). You can also find description of each of
   these samples in the On-Line Help file.

4. On-line help:
   Use the "About MindFrame..." menu item in the "Help" menu to learn more
   about this application. There is an on-line help provided for this
   application. Read through the help topics to learn about using this

5. Files in this release:
   mndframe.txt: this file.
   mdnframe.exe: the executable file of "MindFrame for Windows" freeware.
   mndframe.hlp: the on-line help file for "MindFrame for Windows".  the PostScript file of help text on using this application
   	         to study metaphors, parables, types, and prophecies in the
   	         Holy Bible.
   grid.vbx:     the visual basic grid control that is necessary to run this
   	         application. It must be copied into your local "system"
   	         directory for Windows (\windows\system in most cases).
   samples\*:    in this directory, there are 20 samples (*.frm files) in 
   	         the subdirectories for each application area 
   	         (e.g., objmodel, ecology, neural, parable).

New MindFrame anonymous FTP Directory:

It has been moved to a more permanent directory: /pub/pc/win3/programr.

>55  ACE Lib, C++ Networking

From: (Douglas C. Schmidt)
Subject: Re: C++ and Semaphores
Date: 22 Nov 1993 19:27:00 -0800
Organization: University of California at Irvine: ICS Dept.


	  A Collection of C++ Network Programming Components

	The ACE library is available for anonymous ftp from the ( host in the gnu/C++_wrappers.tar.Z file
(approximately .4 meg compressed).  This release contains contains the
source code, documentation, and example test drivers for a number of
C++ wrapper libraries and higher-level network programming foundation
classes developed as part of the ADAPTIVE transport system project at
the University of California, Irvine.

	. The C++ wrappers encapsulate many of the user-level BSD and
	  System V Release 4 IPC facilities such as sockets, TLI,
	  select and poll, named pipes and STREAM pipes, the mmap
	  family of memory-mapped file commands, System V IPC (i.e.,
	  shared memory, semaphores, message queues), and explicit
	  dynamic linking (e.g., dlopen/dlsym/dlclose) using
	  type-secure, object-oriented interfaces. 

	. The higher-level network programming foundation classes
	  integrate and enhance the lower-level C++ wrappers to
	  support the configuration of concurrent network daemons
	  composed of monolithic and/or stackable services

	Many of the C++ wrappers and higher-level components have been
described in issues of the C++ Report, as well as in the proceedings
of (1) the 2nd Annual C++ World conference held in Dallas, Texas in
October, 1993, (2) the 11th Annual Sun Users Group Conference held in
San Jose, CA in December, 1993, and (3) the 2nd International Workshop
on Configurable Distributed Systems held at CMU in Pittsburgh, PA in
March, 1994.  A relatively complete set of documentation and extensive
examples are included in the release.  A mailing list is available for
discussing bug fixes, enhancements, and porting issues regarding ACE.
Please send mail to if you'd like to
become part of the mailing list.


	The following subdirectories are included in this release:

	. apps    -- complete applications written using the ACE wrappers
	. bin	  -- utility programs for building this release such as g++dep
	. build	  -- a separate subdirectory that keeps links into the main
		     source tree in order to facilitate multi-platform
	. include -- symbolic links to the include files for the release
	. lib	  -- object archive libraries for each C++ wrapper library
	. libsrc  -- the source code for the following C++ wrappers:
			ASX -- higher-level C++ network programming foundation classes
			Get_Opt -- a C++ version of the UNIX getopt utility
			IPC_SAP -- wrapper for BSD sockets
			IPC_SAP_FIFO -- wrapper for FIFOS (named pipes)
			IPC_SAP_SPIPE -- wrapper for SVR4 STREAM pipes and connld 
			Log_Msg -- library API for a local/remote logging facility
			Mem_Map -- wrapper for BSD mmap() memory mapped files 
			Message_Queues -- wrapper for SysV message queues
			Reactor -- wrapper for select() and poll()
			Semaphores -- wrapper for SysV semaphores
			Server_Daemon -- a wrapper for dynamically linking
			Shared_Memory -- wrapper for SysV shared memory
			Shared_Malloc -- wrapper for SysV/BSD shared mallocs
			TLI_SAP -- wrapper for SVR4 TLI 
	. tests -- programs that illustrate how to use the various wrappers

	Please refer to the INSTALL file for information on how to
build and test the ACE wrappers.  The BIBLIOGRAPHY file contains
information on where to obtain articles that describe the ACE wrappers
and the ADAPTIVE system in more detail.

	Also, please note that there is a companion tar file called
C++_wrappers_doc.tar.Z, which is approximately 1.5 Meg compressed.
This file is in the same ftp/gnu directory as the source code
distribution.  In this file is the following:

	. doc	  -- LaTeX documentation (in both latex and .ps format)
	. papers  -- postscript versions of various papers describing ACE


	You are free to do anything you like with this code.  However,
you may not do anything to this code that will prevent it from being
distributed freely in its original form (such as copyrighting it,
etc.).  Moreover, if you have any improvements, suggestions, and or
comments, I'd like to hear about it!  It would be great to see this
distributed evolve into a comprehensive, robust, and well-documented
C++ class library that would be freely available to everyone.
Natually, I am not responsible for any problems caused by using these
C++ wrappers.

		Douglas C. Schmidt
		Department of Information and Computer Science
		University of California, Irvine
		Irvine, CA 92717
		Work #: (714) 856-4105
		FAX #: (714) 856-4056

	Special thanks to Paul Stephenson for devising the recursive 
Makefile scheme that underlies this distribution.  Also thanks to Olaf
Kruger for explaining how to instantiate templates for shared
libraries on SunOS 4.
Douglas C. Schmidt
Department of Information and Computer Science
University of California, Irvine
Irvine, CA 92717. Work #: (714) 856-4105; FAX #: (714) 856-4056

>56  Teaching Intro to OO Slides, T. Budd

From: (Tim Budd)
Subject: Re: Slides on OOP or OMT wanted
Date: 8 Nov 1993 07:46:08 GMT
Organization: DAIMI, Computer Science Dept. at Aarhus University


I also have a series of slides that I have developed for use with my
text ``an introduction to object-oriented programming'' (timothy budd,
addison-wesley publishers).  These can be found at
directory pub/budd/oopintro/slides/*, or there is a mail server
called and if you say
	send oopintro slides chapter1
and so on you can get them via e-mail.  Warning, it yields a lot of
e-mail, so do it one at a time.

>57  Value Dependence Graphs

From: Michael D. Ernst <>
Subject:  Value dependence graphs paper available
Date: Tue, 9 Nov 1993 00:59:36 GMT

The paper "Value Dependence Graphs: Representation Without Taxation",
which describes a new intermediate representation which is particularly
amenable to optimization, is available.  (This version corrects typos and
clarifies a few minor points that may not have been completely clear in
the version which will appear in the POPL 94 proceedings.)  You can get a
copy in three ways:

1.  Via anonymous ftp, obtain file
    (or file vdg.ps635 if you have a HP LaserJet 4 printer).
2.  Reply to requesting PostScript by email,
    and I will send you the PostScript file of your choice.  (The files are
    483K and 1018K bytes, respectively.)
3.  Reply to sending me your physical mail
    address, and I will mail you a hardcopy.

The abstract is:

The value dependence graph (VDG) is a sparse dataflow-like representation
that simplifies program analysis and transformation.  It is a functional
representation that represents control flow as data flow and makes
explicit all machine quantities, such as stores and I/O channels.  We are
developing a compiler that builds a VDG representing a program, analyzes
and transforms the VDG, then produces a control flow graph (CFG) [ASU86]
from the optimized VDG.  This framework simplifies transformations and
improves upon several published results.  For example, it enables more
powerful code motion than [CLZ86, FOW87], eliminates as many redundancies
as [AWZ88, RWZ88] (except for redundant loops), and provides important
information to the code scheduler [BR91].  We exhibit a fast, one-pass
method for elimination of partial redundancies that never performs
redundant code motion [KRS92, DS93] and is simpler than the classical
[MR79, Dha91] or SSA [RWZ88] methods.  These results accrue from
eliminating the CFG from the analysis/transformation phases and using
demand dependences in preference to control dependences.

The paper's full citation is:

  author = 	 "Daniel Weise and Roger F. Crew and Michael Ernst and
  		  Bjarne Steensgaard",
    title = 	 "Value Dependence Graphs:  Representation Without Taxation",
    booktitle =	 POPL94,
    pages = 	 "297-310",
    year =	 1994,
    month =	 jan,
    address =	 "Portland, OR"

>58  Various on OO

I think our ftp-site should be mentioned under the PAPERS section of
appendix E of the comp.object FAQ. There are a number of interesting
papers about Object-Orientation, in particular about a new object-oriented
model, called 'Composition Filters'. Here is the uuencoded compressed
version of a postscript document that contains abstracts of the papers
which are available via ftp ( - /pub/doc/TRESE) or
WWW ( - Recent Publications of the TRESE
project). You may also view this document from our WWW-site.


TRESE project


Date: Fri, 19 May 1995 20:51:05 PDT
From: Bill Janssen <>
Subject: New ILU 1.8 Common Lisp support available

Revised support for using ILU with Common Lisp is now available as

Changes include:

1)  The Common Lisp support no longer has to load C code for each ILU
module loaded, so CL implementations without that capability may use
ILU.  This also speeds up loading of ILU modules considerably.

2)  CORBA-style union support is now there.

3)  ILU dynamic object creation is now fully supported.  That is, an
ILU kernel server may now be created which calls back to Lisp
functions to create objects on demand, rather than having to have them
available before clients make calls on them.

4)  A non-threaded Franz ACL implementation of the ILU support is now
included, solely as an example of how to support ILU in Common Lisp
implementations without threads.  Of course, if your CL has threads, your
ILU support should use them.

5)  A new version of the ILU manual is included, with the appropriate
changes to the CL chapter.

6)  A modified version of examples/test1/ is provided, with Lisp
examples of the test1 program.

``But what's ILU, anyway?''

The Inter-Language Unification system (ILU) is a multi-language object
interface system.  The object interfaces provided by ILU hide
implementation distinctions between different languages, between
different address spaces, and between operating system types.  ILU can
be used to build multi-lingual object-oriented libraries ("class
libraries") with well-specified language-independent interfaces.  It
can also be used to implement distributed systems.  It can also be used
to define and document interfaces between the modules of
non-distributed programs.  ILU interfaces are specified in ILU's
Interface Specification Language.

The 1.8 release of ILU contains support for the programming languages
Common Lisp, C++, ANSI C, Modula-3, and Python).  It has been installed
on many flavors of UNIX, including SPARC machines running SunOS 4.1.3
and Solaris 2, SGI MIPS machines running IRIX 5.2, Intel 486 machines
running Linux 1.1.78, DEC Alpha machines with OSF/1, IBM RS/6000
machines running AIX, and HP machines running HP/UX.  A port of ILU to
the Microsoft Windows 3.1 and Windows NT environments has been
finished, and will form part of the 1.9 release.  ILU supports both
threaded and non-threaded operation.

One of the implementation goals of ILU is to maximize compatibility
with existing open standards.  As a result, ILU provides support for
use of the OMG CORBA IDL interface description language, and can be
thought of as a CORBA ORB system (though with omissions from and
extensions to the CORBA spec).  As another result, ILU includes a
self-contained implementation of ONC RPC, and it is possible to
describe and use existing RPC services as ILU objects.  ILU is
available free from `'.
 Bill Janssen  <> (415) 812-4763  FAX: (415) 812-4777
 Xerox Palo Alto Research Center, 3333 Coyote Hill Rd, Palo Alto, CA  94304

>60 Internet Info CDROM, including FAQs

Walnut Creek CDROM announces the release of the Internet Info CDROM.
This CDROM contains 12,000 documents about computers and networks:

        * Answers to Frequently Asked Questions (FAQs).
        * Internet RFCs and IENs.  
        * Computer security Documents.  
        * Internet Network maps.  
        * Usenet technical discussion Archives.
        * Ftp sites lists and descriptions of the archives they hold.
        * Extensive bibliographies and technical book reviews.
        * documents and standards from IEEE, ISO, NIST, ANSI and others.

The price is $39.95.  S&H is $5 for US/Canada/Mexico, and $10 for overseas.
If you live in California, please add sales tax.  You can pay by cash, check,
money order or Visa/MC/Dis/Amex.  This CDROM is fully guaranteed, if you are
dissatisfied with this disc for any reason whatsoever, you can return it for
an exchange or refund.

        Walnut Creek CDROM
        1547 Palos Verdes Mall, Suite 260
        Walnut Creek, CA  94596

        1 800 786-9907
        1 510 674-0783
        1 510 674-0821 FAX

The disc is available for FREE to anyone that has contributed any of their
own work.  This includes FAQ maintainers, RFC authors, etc.  Just email me
your name, address, and the name of the files(s) that you wrote.  Overseas
addresses are ok.

If you would like a more detailed list of other CDROM titles published by
Walnut Creek CDROM, you can ftp the latest list from, or send email to

>61  Metrics

From: (Dan Proskauer)
Subject: Re: Wanted: Data on McCabe and Halstead Comple
Organization: Teradyne, Inc. Boston MA
Date: Sat, 18 Dec 1993 20:58:33 GMT

	There is some publically available McCabe and Halstead analysis
software for C in /pub/usenet/com.sources.unix/volume20/metrics.
I believe there is some explanation of the metrics along with it.  Some other
references are:

	The Art of Software Testing, Myers

	"An Internal Approach to Testing Horizontally Reusable
	 Software", Proceedings of the 5th Annual STC Conference, 93
		Goldfedder (Overall of where McCabe fits in to A testing

>62  Amadeus, persistence

From: (Aoife Cox)
Subject: Re: In Search of Persistence
Date: 14 Dec 1993 20:04:38 +1100
Organization: University of Western Sydney

>I have been searching the net trying to find any locations for papers about
>implementation of persistence object systems or about persistence and OOPL.  As
>yet, I have not found anything remotely related.

>Are there any ftp sites with such papers that someone can direct me to?
There should be some papers on the Amadeus system, developed by the
Distributed Systems Group at Trinity College, Dublin, ftp-able from Look in the /pub/tcd/tech-reports directory....

Hope this helps.


>63  Chorus,Dist,RT,MicroK

From Marc Maathuis (

You may want to take a look at CHORUS, a distributed real-time
microkernel that can be combined with the CHORUS/MiX subsystem, which
is a modular, fully compatible UNIX System V (R3.2 or R4.0)
implementation.  There is also an OO subsystem named COOL (CHORUS
Object Oriented Layer). CHORUS runs on i386/i486, 680x0, SPARC,
transputer and on several other processors.

CHORUS is available as a source technology. In Jan 94, SCO and Chorus
will release a *binary* product for the PC market: "CHORUS/Fusion for
SCO UNIX" is binary compatible with SCO UNIX and offers real-time
functionality (POSIX 1003.1b and .1c, i.e. the former .4 and .4a
interfaces) and clustering functionality.

COOL provides a distributed OO programming environment for
C++.  COOL supports a set of system calls that allow the creation of
dynamic objects. These objects can be sent messages in a location
transparent way, they can be migrated between address spaces and sites
and they can be stored in a persistent store; this is done in a
transparent way, as an extension of the C++ language.

There are several technical reports (in PostScript format) on CHORUS
and on COOL available via anonymous FTP from Chorus systemes, France: [], directory pub/chorus-reports. See the file
"index" for an overview.

There is also a set of ~90 slides on Chorus and CHORUS available in
the directory pub/chorus-slides/CS-TR-92-64 (PostScript, versions 1-up
and 2-up).

If VTT is a public research lab, then you might be interested by the fact
that Chorus systemes has special programs for universities. For more
information on offering, conditions, etc, ftp to and get
the following ASCII files
   - pub/README
   - pub/academic/README
   - pub/academic/offerings
If you have questions, you may contact Didier Irlande <>
for license issues or Xavier Galleri <> for technical

>64  Self Opt.

From: (Urs Hoelzle)
To: self-interest@otis.Stanford.EDU
Subject: thesis available for ftp
Date: Fri, 2 Sep 94 11:15:29 PDT

Dear self-interesters,

My thesis is now available via ftp and Mosaic (see below).  Yes, I
have graduated!  Though many things will change, I'm planning to keep
on working on Self at UCSB; my new e-mail address is
However, I am no longer maintaining the self-interest list, for
questions/requests please contact self-request@self rather than
writing directly to me.



Urs Hoelzle. "Adaptive Optimization for Self: Reconciling High
Performance with Exploratory Programming." Ph.D. thesis, Computer
Science Department, Stanford University, August 1994.

The report is available in PostScript form via ftp from or via Mosaic from  In a few weeks, it should be available in
printed form as a Stanford CSD technical report and as a Sun
Microsystems Laboratories technical report.

Abstract: Crossing abstraction boundaries often incurs a substantial
run-time overhead in the form of frequent procedure calls.  Thus,
pervasive use of abstraction, while desirable from a design
standpoint, may lead to very inefficient programs.  Aggressively
optimizing compilers can reduce this overhead but conflict with
interactive programming environments because they introduce long
compilation pauses and often preclude source-level debugging. Thus,
programmers are caught on the horns of two dilemmas: they have to
choose between abstraction and efficiency, and between responsive
programming environments and efficiency. This dissertation shows how
to reconcile these seemingly contradictory goals by performing
optimizations lazily.


PostModern Computing is making its CORBA-compliant ORBeline product
available free of charge to the academic community for teaching and
research purposes.  ORBeline is available via anonymous ftp from under pub/pomoco.

We are making the SunOS 4.x, Solaris 2.3, and OSF/1 versions of
ORBeline available.  We will consider making other platforms available
as well if there is enough interest.

Suresh Challa
PostModern Computing

What follows is the README file of this release: 



                    The SMART Object Request Broker

ORBeline is a complete implementation of OMG's Common Object Request
Broker Architecture (CORBA).  ORBeline goes beyond the standard 
specification to provide a SMART communication framework allowing
you to easily develop large distributed applications that are robust,
scalable, flexible and maintainable.  ORBeline incorporates PostModern's
proven communication framework that links thousands of nodes.


ORBeline's SMART Agent dynamically tracks the communication taking place
between all objects and their clients:

   o Smart Binding and Protocol Selection

     ORBeline automatically picks the best communication mechanism as
     soon as you try to access an object.  If the object is in your process,
     it bypasses the ORB and the network altogether.  When the object is on
     a remote node, ORBeline's SMART and efficient on-the-wire protocol
     is selected.  When the object is implemented using another vendor's
     ORB, that vendor's on-the-wire protocol is used.

   o Built-in Fault Tolerance

     ORBeline's SMART Agent monitors communication between objects and their
     clients.  In case of a failure, the SMART agent and ORBeline cooperate
     to reestablish connections between processes or their replicas.

   o Dynamic Directory Service

     ORBeline's Dynamic Directory Service tracks all registered and active
     objects, providing a high degree of efficiency, total location
     transparency and easy administration.  There is no need for 
     cumbersome configuration files, and no need for heavyweight object
     migration and replication mechanisms.

   o Platforms

     ORBeline runs on all classes of computers ranging from Cray 
     supercomputers, to workstations, to personal computers and
     embedded systems.

Complete CORBA implementation

ORBeline is the most complete ORB implementation currently on the
market.  It features the following:

   o IDL Compiler implementing the entire Interface Definition 

   o Static and Dynamic Invocation Interfaces

   o Complete Interface and Implementation Repositories.

   o Support for Object Activation.

   o Complete set of object administration tools.


   o High Performance and Low Overhead

     ORBeline provides high performance while adding little overhead
     to your application.  ORBeline is the only ORB product available
     on the market today suitable for running on real-time, embedded

   o Flexible and Easy to Use

     With ORBeline it is easy to develop, deploy and maintain large
     distributed applications.  ORBeline provides a high degree of 
     flexibility and takes care of cumbersome details allowing 
     developers to focus on their applications.

   o WAN Connectivity

     ORBeline uses PostModern's proven communication technology to 
     connect wide area networks.

   o Scalability

     ORBeline's smart use of network resources and communication protocols
     allows applications to scale to networks of thousands of nodes.

   o Object Migration and Replication

     ORBeline's SMART agent and Dynamic Directory Service allow easy object
     migration and replication.


We are making the SunOS 4.x, Solaris 2.3, and OSF/1 versions of
ORBeline available free of charge to the academic community.  
We will consider making other platforms available as well if there
is enough interest.  

The following compilers are supported in this release:

Solaris 2.3:    Sun C++ 4.0 (native), SparcWorks 3.0
SunOS 4.x:      Sun C++ 3.0 (cfront), SparcWorks 2.0.1
OSF/1 1.3:      DEC C++

If there is enough interest, we can make versions compatible with
other compilers available as well.


ORBeline is provided free of charge to the academic community for
teaching and research purposes.  After installing ORBeline, call us at
(415) 967-6169 or send e-mail to and we will send you
a perpetual license for your site.

If you are interested in ORBeline for commercial purposes, contact us
and we can provide a limited time evaluation license.


We would like to thank Stanford University for providing us with
a high-speed ftp site from which to distribute this ORBeline

                    PostModern Computing Technologies, Inc.
                            1897 Landings Drive
                          Mountain View, CA  94043
                             Tel: (415) 967-6169
                             Fax: (415) 967-6212

>66 OO Designer CASE Tool

	   **************** Object Oriented Designer ***************

		    Prof. Taegyun Kim []
		      Pusan University of Foreign Studies
				  Pusan, Korea

			     Version : Version 1.3.1
			     Revised : October 6 1994


Let me introduce myself. I am an assistant professor working at Department of
Computer Engineering in Pusan University of Foreign Studies which resides in
Pusan, Korea. My major interest is in software engineering especially in the
area of object oriented methodologies. In teaching courses in systems analysis
and software engineering I found a need for a good case tool that could be used
by my students. Unfortunately, commercial case tools are too expensive for a
university to purchase so I developed OOD. I have spent 17 man months building
OOD. Because this is my first project combining object oriented methods, Motif,
and C++, some of the source code may be a little clumsy. However, it does work
well and it is still evolving.  This project is very hard but is also very
interesting. Let's enjoy it together.

P.S.: I am anxious for your criticism or comment on this product. So, if it
works on your system, please respond to me with even a one line (very short)
message.  It will give me some encouragement. Moreover please inform me your
status (student, professor etc.) if possible.

-Taegyun Kim

		     --------------- Contents --------------
                     0. Summary
                     1. System Environment
                     2. Building OOD
                     3. Initializing the Working Environment
                     4. Functions
                     5. Examples
                     6. Reference Books
                     7. Cautions
                     8. FAQ

0. Summary

The Object Modeling Technique [OMT] by James Rumbaugh et al. is a methodology
for object oriented development with a graphical notation for representing
object oriented concepts.  Object Oriented Designer [OOD] is a case tool for
constructing the object diagrams defined in OMT. In order to use OOD it is
necessary to understand OMT and its graphical notation. See reference (2).

Why "OMT"? OMT evolved from the Extended Entity Relationship [EER] model which I
have studied since the mid 80's. There are a number of other approaches to
expressing object oriented concepts but I believe that OMT is superior to most
of these. Yourdon's Object Oriented Analysis [OOA] notation, for example, is
another excellent approach to the problem but has some limits in functionality,
particularly with respect to data modeling, that are present in OMT.

Currently, OOD has following primary functions:

    - general graphics editor (with limited functionality)

    - object diagram layout (with some additions w.r.t. original OMT notation)

    - C++ code skeleton generation (header file + source file)
      The comments and codes for individual member functions can be documented,
	  or edited within OOD directly.
      The C++ code generator supports inheritance. 

I have attempted to make OOD as user-friendly as possible. My students learn to
use it in a day even without a manual. The user-friendliness of OOD is due to my
own object oriented, user interface mechanisms.

Currently OOD generates a C++ code skeleton from an object diagram.  I have a
short term final goal to develop an object oriented "environment" with
flexibility and portability. I think that about additional 20 man months effort
could lead me to the final goal. Because I am currently working very hard to
enhance its functionality, I am not especially concerned with system portability
issues at the moment so building OOD on your particular platform may require a
little work on your part. Please inform me of any changes that you need to make
to build OOD on your system.

1. System Environment
OOD was built on a SPARC station running OS4.1.x, X11-R5 and Motif-1.2 and
C++-2.0. OOD has also been successfully built on a SPARC using gcc-2.5.8 and
libg++-2.5.3. It should build on most UNIX systems with X11-R5, Motif-1.2 and a
"reasonable" C++ compiler.

2. Building OOD
	1) In ood directory edit the Makefile to reflect your environment
	2) run "make depend"
	3) run "make"

3. Initialize Working Environment
OOD requires the user to select a working repository in which to store various
output files. If this is the first time you are running OOD:

	1) point at the top-menu,
	2) select "Environment",
	3) select "Setup",
	4) define your working repository.

If a working repository has been previously defined, select it:

	1) point top-menu
	2) select "change to"
	3) set your working repository 


>67 OOTher OO CASE Tool

From: (Roman Zielinski TT/TSM)
Subject: CASE OOTher 1.06f released (free/shareware)
Organization: Ericsson
Date: Tue, 20 Sep 1994 07:15:09 GMT

User Contributions:

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