tests: add thinair test
authorBrian Norris <banorris@uci.edu>
Mon, 29 Oct 2012 18:44:52 +0000 (11:44 -0700)
committerBrian Norris <banorris@uci.edu>
Mon, 29 Oct 2012 18:44:52 +0000 (11:44 -0700)
test/thinair.c [new file with mode: 0644]

diff --git a/test/thinair.c b/test/thinair.c
new file mode 100644 (file)
index 0000000..dcd7615
--- /dev/null
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <threads.h>
+#include <stdatomic.h>
+
+#include "librace.h"
+
+atomic_int x;
+atomic_int y;
+
+static void a(void *obj)
+{
+       int r1=atomic_load_explicit(&x, memory_order_relaxed);
+       atomic_store_explicit(&y, r1, memory_order_relaxed);
+       printf("r1=%d\n",r1);
+}
+
+static void b(void *obj)
+{
+       int r2=atomic_load_explicit(&y, memory_order_relaxed);
+       atomic_store_explicit(&x, r2, memory_order_relaxed);
+       atomic_store_explicit(&x, r2 + 1, memory_order_relaxed);
+       printf("r2=%d\n",r2);
+}
+
+int user_main(int argc, char **argv)
+{
+       thrd_t t1, t2;
+
+       atomic_init(&x, -1);
+       atomic_init(&y, 0);
+
+       printf("Thread %d: creating 2 threads\n", thrd_current());
+       thrd_create(&t1, (thrd_start_t)&a, NULL);
+       thrd_create(&t2, (thrd_start_t)&b, NULL);
+
+       thrd_join(t1);
+       thrd_join(t2);
+       printf("Thread %d is finished\n", thrd_current());
+
+       return 0;
+}