Oops, forgot *.c for helgrind tests


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1938 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/helgrind/tests/inherit.c b/helgrind/tests/inherit.c
new file mode 100644
index 0000000..8f10da6
--- /dev/null
+++ b/helgrind/tests/inherit.c
@@ -0,0 +1,55 @@
+/* test child thread inheriting data */
+
+#include <pthread.h>
+#include <unistd.h>
+
+static volatile int shared[2];
+
+static void *t1(void *v)
+{
+	volatile int *ip = (int *)v;
+
+	*ip += 44;
+	*ip *= 2;
+
+	sleep(1);
+
+	return 0;
+}
+
+static void *t2(void *v)
+{
+	volatile int *ip = (int *)v;
+
+	*ip += 88;
+	*ip *= 3;
+
+	sleep(2);
+
+	return 0;
+}
+
+int main()
+{
+	pthread_t a, b;
+	volatile int ret = 0;
+
+	sleep(0);
+
+	shared[0] = 22;
+	shared[1] = 77;
+
+	pthread_create(&a, NULL, t1, (void *)&shared[0]);	
+	pthread_create(&b, NULL, t2, (void *)&shared[1]);
+
+	pthread_join(a, NULL);
+
+	ret += shared[0];	/* no error - a is finished */
+	ret += shared[1];	/* expect error - b has not finished,
+				   so we can't touch shared[1] yet */
+
+	pthread_join(b, NULL);
+
+
+	return ret;
+}