added barrier lock stubs

diff --git a/palacios/include/palacios/vmm_barrier.h b/palacios/include/palacios/vmm_barrier.h
new file mode 100644 (file)
index 0000000..4513c09
--- /dev/null
+++ b/palacios/include/palacios/vmm_barrier.h
@@ -0,0 +1,42 @@
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2011, Jack Lange <jacklange@cs.pitt.edu> 
+ * Copyright (c) 2011, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jacklange@cs.pitt.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#ifndef __VMM_BARRIER_H__
+#define __VMM_BARRIER_H__
+
+#ifdef __V3VEE__
+
+
+#include <util/vmm_lock.h>
+
+struct v3_barrier {
+    
+
+    int active;     // If 1, barrier is active, everyone must wait 
+                    // If 0, barrier is clear, can proceed
+
+    v3_lock_t lock;
+};
+
+
+
+
+#endif
+
+#endif

diff --git a/palacios/src/palacios/vmm_barrier.c b/palacios/src/palacios/vmm_barrier.c
new file mode 100644 (file)
index 0000000..1115ce0
--- /dev/null
+++ b/palacios/src/palacios/vmm_barrier.c
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2011, Jack Lange <jacklange@cs.pitt.edu> 
+ * Copyright (c) 2011, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jacklangel@cs.pitt.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+#include <util/vmm_barrier.h>