Process starting...                 # 3008 is pid of main

3008 FETCHING...                    # pressed waitVariable
waiting for $wait (was 0)

$wait++ by pid 3008                 # pressed local++
3008 FETCHING...
3008 FETCHING...
3008 FETCHING...
finished waiting for $wait (is now 1)

3008 FETCHING...
waiting for $wait (was 1)
Remote process 3808 increment $wait...  # pressed remote++
3808 FETCHING...             # remote process incremented $wait

3008 FETCHING...             # pressed 'wait'
$wait is 2