source: CIVL/examples/languageFeatures/atomicStatement.cvl@ 52dff6c

int n = 3;
void foo(){
        int k = n;
        k = k + 1;
}

void main(){
        int i = 0;
        int x = 3;
        
        $atomic{
        
                if(i < 0)
                        i = 1;
                else 
                        i = 2;
        }
        
        $assert i == 2;
        
        $atomic
                if(i > 0)
                        i = 1;
                else 
                        i = 2;
        
        $assert i == 1;
        
        $atomic{
                i = 2;
                switch(i){
                case 1: i = 2;
                case 2: i = 3;break;
                default: i = 5;
                }
        }
        
        $assert i == 3;
        
        $atomic{
                i = 0;
                for(int j = 0; j < 10; j++){
                        i += j;
                }
        }
        
        $assert i == 45;
        
        $atomic{
                for(int m = 0; m < 5; m++){
                        $spawn foo();
                }
        }
        
        //nested atomic and non-pure-local atomic block
        $atomic{
                n = 0;
                n += 1;
                $atomic{
                i+=2;
                i += 3; }
                n += 9;
        }
        
        $assert n == 10;
}