add subdirectory for tests

[c11tester.git] / pthread_test / iriw_wildcard.cc

diff --git a/pthread_test/iriw_wildcard.cc b/pthread_test/iriw_wildcard.cc
new file mode 100644 (file)
index 0000000..adea420
--- /dev/null
+++ b/pthread_test/iriw_wildcard.cc
@@ -0,0 +1,70 @@
+/**
+ * @file iriw.cc
+ * @brief Independent read and independent write test
+ */
+
+#include <atomic>
+#include <pthread.h>
+#include <stdio.h>
+
+#include "wildcard.h"
+#include "model-assert.h"
+
+using namespace std;
+
+atomic_int x, y;
+int r1, r2, r3, r4; /* "local" variables */
+
+static void *a(void *obj)
+{
+       x.store(1, wildcard(1));
+       return NULL;
+}
+
+static void *b(void *obj)
+{
+       y.store(1, wildcard(2));
+       return NULL;
+}
+
+static void *c(void *obj)
+{
+       r1 = x.load(wildcard(3));
+       r2 = y.load(wildcard(4));
+       return NULL;
+}
+
+static void *d(void *obj)
+{
+       r3 = y.load(wildcard(5));
+       r4 = x.load(wildcard(6));
+       return NULL;
+}
+
+
+int user_main(int argc, char **argv)
+{
+       pthread_t t1, t2, t3, t4;
+
+       atomic_init(&x, 0);
+       atomic_init(&y, 0);
+
+       printf("Main thread: creating 4 threads\n");
+       pthread_create(&t1,NULL, &a, NULL);
+       pthread_create(&t2,NULL, &b, NULL);
+       pthread_create(&t3,NULL, &c, NULL);
+       pthread_create(&t4,NULL, &d, NULL);
+
+       pthread_join(t1,NULL);
+       pthread_join(t2,NULL);
+       pthread_join(t3,NULL);
+       pthread_join(t4,NULL);
+       printf("Main thread is finished\n");
+
+       /*
+        * This condition should not be hit if the execution is SC */
+       bool sc = (r1 == 1 && r2 == 0 && r3 == 1 && r4 == 0);
+       //MODEL_ASSERT(!sc);
+
+       return 0;
+}