59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
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/*
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* ewd123.go
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*
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* A program to represent the first mutex strategy, as described in EWD123.
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*
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* Copyright (c) 2019-2019 HS Emden/Leer
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* All Rights Reserved.
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*
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* version 1.00 - 21 Oct 2019 - GJV - initial version
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*
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* author: Gert Veltink, gert.veltink@hs-emden-leer.de (GJV)
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*/
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package main
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import (
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"./ewd123a"
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"./ewd123b"
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"./ewd123c"
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"./ewd123d"
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"./ewd123dekker"
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"fmt"
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"log"
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"os"
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)
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// main is the entry point for execution.
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func main() {
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var quitChannel = make(chan string) // channel to send a quit signal
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log.SetFlags(log.Ldate | log.Lmicroseconds | log.Lshortfile) // set specific logging attributes
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log.Printf("*** Start\n")
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var variant = "a"
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if len(os.Args[1:]) > 0 { // do we have arguments?
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variant = os.Args[1]
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}
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switch variant {
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case "a":
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ewd123a.Start()
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case "b":
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ewd123b.Start()
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case "c":
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ewd123c.Start()
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case "d":
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ewd123d.Start()
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case "dekker":
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ewd123dekker.Start()
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default:
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log.Printf("unknown variant: '%s'!", variant)
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fmt.Printf("Usage: %s <variant>, where variant is a,b,c,d or empty for the Dekker solution\n", os.Args[0])
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os.Exit(-1) // signal error code -1
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}
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log.Printf("*** Finish: %s\n", <-quitChannel) // wait for a quit signal
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}
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