New lock tests.

kern/include/test.h

@@ -61,6 +61,8 @@ int semtest(int, char **);
 int locktest(int, char **);
 int locktest2(int, char **);
 int locktest3(int, char **);
+int locktest4(int, char **);
+int locktest5(int, char **);
 int cvtest(int, char **);
 int cvtest2(int, char **);
 int cvtest3(int, char **);
@@ -156,7 +158,7 @@ void whalemating_cleanup(void);
 void male(uint32_t);
 void female(uint32_t);
 void matchmaker(uint32_t);
- 
+
 /*
  * stoplight.c.
  */