X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=linuxrwlocks%2Ftestcase1.c;fp=linuxrwlocks%2Ftestcase1.c;h=8051cdcac819b4989b50b9a58afd7f5f9dab74e7;hb=1e4cd56e5cf72f7cb6dddb2990183f050afc4cbc;hp=0000000000000000000000000000000000000000;hpb=7ca8c7d4c3d13ce31873200b12403bb4ea7e4195;p=model-checker-benchmarks.git

diff --git a/linuxrwlocks/testcase1.c b/linuxrwlocks/testcase1.c
new file mode 100644
index 0000000..8051cdc
--- /dev/null
+++ b/linuxrwlocks/testcase1.c
@@ -0,0 +1,72 @@
+#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)
+{
+	write_lock(&mylock);
+	//atomic_store_explicit(&x, 17, memory_order_relaxed);
+	write_unlock(&mylock);
+
+/*
+
+	if (!write_can_lock(&mylock))
+		return;
+
+	if (write_trylock(&mylock)) {
+		atomic_store_explicit(&x, 17, memory_order_relaxed);
+		write_unlock(&mylock);
+	}
+*/
+}
+
+static void b(void *obj)
+{
+	//if (write_trylock(&mylock)) {
+		//atomic_store_explicit(&x, 16, memory_order_relaxed);
+	//	write_unlock(&mylock);
+	//}
+
+	read_lock(&mylock);
+	//atomic_load_explicit(&x, memory_order_relaxed);
+	read_unlock(&mylock);
+
+/*
+	if (write_trylock(&mylock)) {
+		atomic_store_explicit(&x, 16, memory_order_relaxed);
+		write_unlock(&mylock);
+	}
+
+	if (!read_can_lock(&mylock))
+		return;
+	if (read_trylock(&mylock)) {
+		atomic_load_explicit(&x, memory_order_relaxed);
+		read_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)&b, NULL);
+
+	thrd_join(t1);
+	thrd_join(t2);
+
+	return 0;
+}