The CDSSpec checker's benchmarks

[model-checker-benchmarks.git] / linuxrwlocks / main.c

diff --git a/linuxrwlocks/main.c b/linuxrwlocks/main.c
new file mode 100644 (file)
index 0000000..a81aa9c
--- /dev/null
+++ b/linuxrwlocks/main.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include <threads.h>
+#include <stdatomic.h>
+
+#include "librace.h"
+#include "linuxrwlocks.h"
+
+rwlock_t mylock;
+int shareddata;
+
+atomic_int x, y;
+
+static void a(void *obj)
+{
+       int i;
+       for(i = 0; i < 2; i++) {
+               if ((i % 2) == 0) {
+                       read_lock(&mylock);
+                       load_32(&shareddata);
+                       read_unlock(&mylock);
+               } else {
+                       write_lock(&mylock);
+                       store_32(&shareddata,(unsigned int)i);
+                       write_unlock(&mylock);
+               }
+       }
+}
+
+
+int user_main(int argc, char **argv)
+{
+       thrd_t t1, t2;
+       atomic_init(&mylock.lock, RW_LOCK_BIAS);
+       atomic_init(&x, 0);
+       atomic_init(&y, 0);
+
+       /** @Entry */
+       thrd_create(&t1, (thrd_start_t)&a, NULL);
+       thrd_create(&t2, (thrd_start_t)&a, NULL);
+
+       thrd_join(t1);
+       thrd_join(t2);
+
+       return 0;
+}