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