Synchronization problem stubs and drivers.

kern/include/synchprobs.h

@@ -0,0 +1,28 @@
+#ifndef _SYNCHPROBS_H_
+#define _SYNCHPROBS_H_
+
+/*
+ * Synchronization problem primitives.
+ */
+
+/*
+ * whalemating.c.
+ */
+
+void whalemating_init(void);
+void whalemating_cleanup(void);
+void male(void *, unsigned long);
+void female(void *, unsigned long);
+void matchmaker(void *, unsigned long);
+ 
+/*
+ * stoplight.c.
+ */
+
+void gostraight(void *, unsigned long);
+void turnleft(void *, unsigned long);
+void turnright(void *, unsigned long);
+void stoplight_init(void);
+void stoplight_cleanup(void);
+
+#endif /* _SYNCHPROBS_H_ */

kern/include/test.h

@@ -30,6 +30,8 @@
 #ifndef _TEST_H_
 #define _TEST_H_
 
+#include "opt-synchprobs.h"
+
 /*
  * Declarations for test code and other miscellaneous high-level
  * functions.
@@ -105,5 +107,24 @@ void menu(char *argstr);
 /* The main function, called from start.S. */
 void kmain(char *bootstring);
 
+#if OPT_SYNCHPROBS
+
+/*
+ * Synchronization driver primitives.
+ */
+
+void male_start(void);
+void male_end(void);
+void female_start(void);
+void female_end(void);
+void matchmaker_start(void);
+void matchmaker_end(void);
+int whalemating(int, char **);
+
+void inQuadrant(int);
+void leaveIntersection(void);
+int stoplight(int, char **);
+
+#endif
 
 #endif /* _TEST_H_ */