+/* For data race instrumentation */
+#include "librace.h"
+
+struct mcs_mutex *mutex;
+static uint32_t shared;
+
+void threadA(void *arg)
+{
+ mcs_mutex::guard g(mutex);
+ printf("store: %d\n", 17);
+ store_32(&shared, 17);
+ mutex->unlock(&g);
+ mutex->lock(&g);
+ printf("load: %u\n", load_32(&shared));
+}
+
+void threadB(void *arg)
+{
+ mcs_mutex::guard g(mutex);
+ printf("load: %u\n", load_32(&shared));
+ mutex->unlock(&g);
+ mutex->lock(&g);
+ printf("store: %d\n", 17);
+ store_32(&shared, 17);
+}