Fix bug that prevents graph generation from compiling.

[cdsspec-compiler.git] / test / sctest.c

diff --git a/test/sctest.c b/test/sctest.c
new file mode 100644 (file)
index 0000000..7aa4805
--- /dev/null
+++ b/test/sctest.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <threads.h>
+#include <stdatomic.h>
+
+#include "librace.h"
+
+atomic_int x;
+atomic_int y;
+atomic_int z;
+
+static void a(void *obj)
+{
+       atomic_store_explicit(&z, 1, memory_order_relaxed);
+}
+
+static void b(void *obj)
+{
+       atomic_store_explicit(&x, 1, memory_order_relaxed);
+       atomic_store_explicit(&y, 1, memory_order_relaxed);
+       int r1=atomic_load_explicit(&z, memory_order_relaxed);
+}
+static void c(void *obj)
+{
+       atomic_store_explicit(&z, 2, memory_order_relaxed);
+       atomic_store_explicit(&x, 2, memory_order_relaxed);
+       int r2=atomic_load_explicit(&y, memory_order_relaxed);
+}
+
+static void d(void *obj)
+{
+       atomic_store_explicit(&z, 3, memory_order_relaxed);
+       atomic_store_explicit(&y, 2, memory_order_relaxed);
+       int r3=atomic_load_explicit(&x, memory_order_relaxed);
+}
+
+int user_main(int argc, char **argv)
+{
+       thrd_t t1, t2,t3, t4;
+
+       atomic_init(&x, 0);
+       atomic_init(&y, 0);
+       atomic_init(&z, 0);
+
+       thrd_create(&t1, (thrd_start_t)&a, NULL);
+       thrd_create(&t2, (thrd_start_t)&b, NULL);
+       thrd_create(&t3, (thrd_start_t)&c, NULL);
+       thrd_create(&t4, (thrd_start_t)&d, NULL);
+
+       thrd_join(t1);
+       thrd_join(t2);
+       thrd_join(t3);
+       thrd_join(t4);
+
+       return 0;
+}