critical_bad.go

package main
import "fmt"
import "time"

var Thread0inside int = 0;
var Thread1inside int = 0;

func ThreadZero() {
  for i:=0; i<10; i++{
    for Thread1inside == 1 {}
    //time.Sleep(time.Nanosecond)
    Thread0inside = 1;
    CriticalSectionZero()
    Thread0inside = 0;
    OtherStuffZero();
  }
}

func ThreadOne() {
  for i:=0; i<10; i++{
    for Thread0inside == 1 {}
    //time.Sleep(time.Nanosecond)
    Thread1inside = 1;
    CriticalSectionOne()
    Thread1inside = 0;
    OtherStuffOne();
  }
}

func CriticalSectionZero() {
    for r:=0; r<5;r++ {
       fmt.Printf("CriticalSectionZero(%d)\n", r)
       time.Sleep(100*time.Millisecond)
    }
}
func CriticalSectionOne() {
    for r:=0; r<5;r++ {
       fmt.Printf("                                   CriticalSectionOne(%d)\n", r)
       time.Sleep(100*time.Millisecond)
    }
}
func OtherStuffZero() {
    fmt.Printf("OtherStuffZero\n")
}
func OtherStuffOne() {
    fmt.Printf("                                      OtherStuffOne\n")
}

func main() {
   go ThreadOne()
   go ThreadZero()
   time.Sleep(10000*time.Millisecond)
}