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-rw-r--r--sys/amd64/include/psl.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/amd64/include/psl.h b/sys/amd64/include/psl.h
index 21de5f7..ca56538 100644
--- a/sys/amd64/include/psl.h
+++ b/sys/amd64/include/psl.h
@@ -34,9 +34,12 @@
* SUCH DAMAGE.
*
* from: @(#)psl.h 5.2 (Berkeley) 1/18/91
- * $Id$
+ * $Id: psl.h,v 1.2 1993/10/16 14:39:26 rgrimes Exp $
*/
+#ifndef _MACHINE_PSL_H_
+#define _MACHINE_PSL_H_ 1
+
/*
* 386 processor status longword.
*/
@@ -59,3 +62,4 @@
#define PSL_USERSET (PSL_IOPL)
#define PSL_USERCLR (PSL_I|PSL_NT)
+#endif /* _MACHINE_PSL_H_ */
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