Data update

Task/Mutex/FutureBasic/mutex.basic

@@ -0,0 +1,19 @@
+include "NSLog.incl"
+
+void local fn DoIt
+  LockRef m = fn LockInit
+
+  LockingLock( m )
+
+  if ( fn LockTry( m ) )
+    NSLog(@"lock acquired") // acquire a lock -- does not block if not acquired
+  else
+    NSLog(@"already locked, does not block")
+  end if
+
+  LockingUnlock( m )
+end fn
+
+fn DoIt
+
+HandleEvents