How to resolve the algorithm Program termination step by step in the Racket programming language

Published on 12 May 2024 09:40 PM
#Racket

How to resolve the algorithm Program termination step by step in the Racket programming language

Table of Contents

Problem Statement

Show the syntax for a complete stoppage of a program inside a   conditional. This includes all threads/processes which are part of your program. Explain the cleanup (or lack thereof) caused by the termination (allocated memory, database connections, open files, object finalizers/destructors, run-on-exit hooks, etc.).
Unless otherwise described, no special cleanup outside that provided by the operating system is provided.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Program termination step by step in the Racket programming language

Source code in the racket programming language

#lang racket
(run-stuff)
(when (something-bad-happened) (exit 1))


#lang racket
(parameterize ([current-custodian (make-custodian)])
  (define (loop) (printf "looping\n") (sleep 1) (loop))
  (thread loop) ; start a thread under the new custodian
  (sleep 5)
  ;; kill it: this will kill the thread, and any other opened resources
  ;; like file ports, network connections, etc
  (custodian-shutdown-all (current-custodian)))

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