Online Computer Terms Dictionary - C

Concurrent C

1. An extension of C with rendezvous-based concurrency. Versions for most Unix systems are available commercially from AT&T.

["Concurrent C", N.H. Gehani et al, Soft Prac & Exp 16(9):821-844 (1986)].

["The Concurrent C Programming Language", N. Gehani et al, Silicon Press 1989].

(1994-11-11)

2. An extension of C with asynchronous message passing.

["Concurrent C: A Language for Distributed Systems", Y. Tsujino et al, Soft Prac & Exp 14(11):1061-1078 (Nov 1984)].

(1994-11-11)

Concurrent C++

["Concurrent C++: Concurrent Programming with Class(es)", N. Gehani, Bell labs 1986].

Concurrent Clean

<language> An alternative name for Clean 1.0.

(1995-11-08)

Concurrent CLU

Hamilton, 1984.

["Preserving Abstraction in Concurrent Programming", R. Cooper et al, IEEE Trans Soft Eng SE-14(2):258-263 (Feb 1988)].

Concurrent Constraint Programming

<language> (CCP) Not a language, but a general approach.

[Details?]

(2001-11-01)

Concurrent Euclid

<language, parallel> A concurrent extension of a subset of Euclid ("Simple Euclid") developed by J.R. Cordy and R.C. Holt of the University of Toronto in 1980.

Concurrent Euclid features separate compilation, modules, processes and monitors, signal and wait on condition variables, 'converters' to defeat strong type checking, absolute addresses. All procedures and functions are re-entrant. TUNIS (a Unix-like operating system) is written in Concurrent Euclid.

["Specification of Concurrent Euclid", J.R. Cordy & R.C. Holt, Reports CSRI-115 & CSRI-133, CSRI, U Toronto, Jul 1980, rev. Aug 1981].

["Concurrent Euclid, The Unix System, and Tunis," R.C. Holt, A-W, 1983].

(2005-02-19)

Concurrent LISP

["A Multi-Processor System for Concurrent Lisp", S. Sugimoto et al, Proc 1983 Intl Conf parallel Proc, 1983 pp.135-143].

Concurrent Massey Hope

<language, functional programming> An extension of Massey Hope, by Peter Burgess, Robert Pointon, and Nigel Perry <N.Perry@massey.ac.nz> of Massey University, NZ, that provides multithreading and typed inter-thread communication. It uses C for intermediate code rather than assembly language.

(1999-08-04)

Concurrent ML

<language> (CML) A concurrent extension of SML/NJ written by J. Reppy at Cornell University in 1990. CML supports dynamic thread creation and synchronous message passing on typed channels. Threads are implemented using first-class continuations. First-class synchronous operations allow users to tailor their synchronisation abstractions for their application. CML also supports both stream I/O and low-level I/O in an integrated fashion.

Latest version: 0.9.8, as of 1994-12-21, requires SML/NJ 0.75 or later.

ftp://ftp.cs.cornell.edu/pub/.

E-mail: <sml-bugs@research.att.com> (bugs).

["CML: A Higher-Order Concurrent Language", John H. Reppy, SIGPLAN Notices 26(6):293-305, June 1991].

(2000-08-09)

Concurrent Oberon

A concurrent version of Oberon. There is an implementation the Ceres workstation.

["Adding Concurrency to the Oberon System", S. Lalis et al, ETH Zurich, 1993].

(1994-11-11)

Concurrent Object-Oriented C

<language> (cooC) A language with concurrent object execution from Toshiba. It has synchronous and asynchronous message passing. It has been implemented for SunOS.

ftp://tsbgw.isl.rdc.toshiba.co.jp/pub/toshiba/cooc-beta.1.1.tar.Z.

[SIGPLAN Notices 28(2)].

(2000-08-13)

Concurrent Object-Oriented Language

(COOL) An extension of C++ with task-level parallelism for shared-memory multi-processors.

["COOL: A Language for Parallel Programming", R. Chandra <rohit@seagull.stanford.edu> et al in Languages and Compilers for Parallel Computing, D. Gelernter et al eds, MIT Press 1990, pp. 126-148].

E-mail: Rohit Chandra <rohit@cool.stanford.edu>.

(1994-11-30)

Concurrent Pascal

An extension of a Pascal subset, Sequential Pascal, developed by Brinch Hansen in 1972-75. Concurrent Pascal was the first language to support monitors. It provided access to hardware devices through monitor calls and supported also processes and classes.

["The Programming Language Concurrent Pascal", Per Brinch Hansen, IEEE Trans Soft Eng 1(2):199-207 (Jun 1975)].

(1994-11-30)

concurrent processing

multitasking

Concurrent Prolog

A Prolog variant with guarded clauses and committed-choice nondeterminism (don't-care nondeterminism) by Ehud "Udi" Shapiro, Yale <shapiro-ehud@yale.edu>. A subset has been implemented, but not the full language.

See also Mandala.

["Concurrent Prolog: Collected Papers", E. Shapiro, V.1-2, MIT Press 1987].

(1994-11-30)

Concurrent Scheme

A parallel Lisp, for the Mayfly by M. Swanson <swanson%teewinot@cs.utah.edu>.

["Concurrent Scheme", R.R. Kessler et al, in Parallel Lisp: Languages and Systems, T. Ito et al eds, LNCS 441, Springer 1989].

(1994-11-30)

ConcurrentSmalltalk

A concurrent variant of Smalltalk.

["Concurrent Programming in ConcurrentSmalltalk", Y. Yokote et al in Object-Oriented Concurrent Programming, A. Yonezawa et al eds, MIT Press 1987, pp. 129-158].

(1994-11-30)

Concurrent SP/k

<language> (CSP/k) A PL/I-like concurrent language.

["Structured Concurrent Programming with Operating System Applications", R.C. Holt et al, A-W 1978].

(1997-12-15)

Concurrent Versions System

<programming> (CVS) A cross-platform code management system originally based on RCS.

CVS tracks all revisions to a file in an associated file with the same name as the original file but with the string ",v" (for version) appended to the filename. These files are stored in a (possibly centralised) repository.

Changes are checked in or "committed" along with a comment (which appears in the the "commit log"). CVS has the notions of projects, branches, file locking and many others needed to provide a full-functioned repository.

It is commonly accessed over over its own "anonCVS" protocol for read-only access (many open source projects are available by anonymous CVS) and over the SSH protocol by those with commit privileges ("committers").

CVS has been rewritten several times and does not depend on RCS. However, files are still largely compatible; one can easily migrate a project from RCS to CVS by copying the history files into a CVS repository. A sub-project of the OpenBSD project is building a complete new implementation of CVS, to be called OpenCVS.

CVS Home. OpenCVS.

(2005-01-17)