Concurrent computing: Difference between revisions

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=={{anchor|Concurrent programming languages|Languages supporting concurrent programming}}Languages supporting concurrent programming==

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[[List of concurrent programming languages|Concurrent programming languages]] are programming languages that use language constructs for [[concurrency (computer science)|concurrency]]. These constructs may involve [[Thread (computer science)|multi-threading]], support for [[distributed computing]], [[message passing programming|message passing]], [[sharing|shared resources]] (including [[Parallel Random Access Machine|shared memory]]) or [[futures and promises]]. Such languages are sometimes described as ''concurrency-oriented languages'' or ''concurrency-oriented programming languages'' (COPL).<ref name="armstrong2003">{{cite web |last1=Armstrong |first1=Joe |year=2003 |title=Making reliable distributed systems in the presence of software errors |last1url=Armstrong|first1=Joe|year=2003http://www.diva-portal.org/smash/get/diva2:9492/FULLTEXT01.pdf |archive-url=https://web.archive.org/web/20160415213739/http://www.diva-portal.org/smash/get/diva2:9492/FULLTEXT01.pdf |archive-date=2016-04-15}}</ref>

Today, the most commonly used programming languages that have specific constructs for concurrency are [[Java (programming language)|Java]] and [[C Sharp (programming language)|C#]]. Both of these languages fundamentally use a shared-memory concurrency model, with locking provided by [[Monitor (synchronization)|monitors]] (although message-passing models can and have been implemented on top of the underlying shared-memory model). Of the languages that use a message-passing concurrency model, [[Erlang (programming language)|Erlang]] is probably the most widely used in industry at present.{{Citation needed|date=August 2010}}