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Tcl library for Golang style concurrency based on Communicating
Sequential Processes

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csp - Golang inspired concurrency library for Tcl Example

README.md

 csp - Golang inspired concurrency library for Tcl

The csp package for Tcl is a concurrency library based on
Communicating Sequential Processes and provides two primitives namely
coroutines and channels which allow concurrent programming in the
style of Golang.

The concepts originate in Hoare's Communicating Sequential Processes
while the syntax mimics the Golang implementation.

The CSP concurrency model may be visualized as a set of independent
processes (coroutines) sending and receiving messages to the named
channels. The control flow in the coroutines is coordinated at the
points of sending and receiving messages i.e. the coroutine may need
to wait while trying to send or receive. Since it must work in a
single-threaded interpreter, waiting is non-blocking. Instead of
blocking a waiting coroutine gives way to other coroutines.

This concurrency model may also be seen as a generalization of Unix
named pipes where processes and pipes correspond to coroutines and
channels.

[Documentation] (https://securitykiss.com/resources/tutorials/
csp_project/csp.html)

[Intro] (https://securitykiss.com/resources/tutorials/csp_project/
index.php)

 Example

    package require http
    package require csp
    namespace import csp::*

    proc main {} {
        http::geturl http://securitykiss.com/rest/slow/now -command [-> ch1]
        http::geturl http://securitykiss.com/rest/slow/now -command [-> ch2]
        timer t1 400
        select {
            <- $ch1 {
                puts "from first request: [http::data [<- $ch1]]"
            }
            <- $ch2 {
                puts "from second request: [http::data [<- $ch2]]"
            }
            <- $t1 {
                puts "requests timed out at [<- $t1]"
            }
        }
    }

    go main

    vwait forever

About

Tcl library for Golang style concurrency based on Communicating
Sequential Processes

Resources

Readme

License

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Releases 1

 
0.1.0 Latest
Jun 18, 2015

Packages 0

No packages published

Contributors 2

  * @greg-sk greg-sk
  * @securitykiss-com securitykiss-com SecurityKISS

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  * Tcl 53.3%
  * HTML 46.7%

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