X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2Flitmus%2Fseq-lock.cc;fp=test%2Flitmus%2Fseq-lock.cc;h=447123cf18f80196e35664daaa041526d5184436;hb=1066ff319f565bb63268c1e6b6f48c114aac34b2;hp=0000000000000000000000000000000000000000;hpb=d8e5e19d215225df584752d5870e3fc0bbdcfbe3;p=model-checker.git

diff --git a/test/litmus/seq-lock.cc b/test/litmus/seq-lock.cc
new file mode 100644
index 0000000..447123c
--- /dev/null
+++ b/test/litmus/seq-lock.cc
@@ -0,0 +1,52 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <threads.h>
+#include <atomic>
+
+std::atomic_int x;
+std::atomic_int y;
+std::atomic_int z;
+
+static int N = 1;
+
+static void a(void *obj)
+{
+	for (int i = 0; i < N; i++) {
+		x.store(2 * i + 1, std::memory_order_release);
+		y.store(i + 1, std::memory_order_release);
+		z.store(i + 1, std::memory_order_release);
+		x.store(2 * i + 2, std::memory_order_release);
+	}
+}
+
+static void b(void *obj)
+{
+	printf("x: %d\n", x.load(std::memory_order_acquire));
+	printf("y: %d\n", y.load(std::memory_order_acquire));
+	printf("z: %d\n", z.load(std::memory_order_acquire));
+	printf("x: %d\n", x.load(std::memory_order_acquire));
+}
+
+int user_main(int argc, char **argv)
+{
+	thrd_t t1, t2;
+
+	if (argc > 1)
+		N = atoi(argv[1]);
+
+	printf("N: %d\n", N);
+
+	atomic_init(&x, 0);
+	atomic_init(&y, 0);
+	atomic_init(&z, 0);
+
+	printf("Main thread: creating 2 threads\n");
+	thrd_create(&t1, (thrd_start_t)&a, NULL);
+	thrd_create(&t2, (thrd_start_t)&b, NULL);
+
+	thrd_join(t1);
+	thrd_join(t2);
+	printf("Main thread is finished\n");
+
+	return 0;
+}