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authorpaul <paul@FreeBSD.org>1994-08-21 04:42:17 +0000
committerpaul <paul@FreeBSD.org>1994-08-21 04:42:17 +0000
commit1f5dfa1be240017a7a4d938578b9a01ce1082391 (patch)
tree503b5194bb3f101dcab5d49f27345f4dbb655a87 /sys/sys/errno.h
parent4141aa7be2695cd9b6bfd9884de4fdddcb1ebced (diff)
downloadFreeBSD-src-1f5dfa1be240017a7a4d938578b9a01ce1082391.zip
FreeBSD-src-1f5dfa1be240017a7a4d938578b9a01ce1082391.tar.gz
Made them all idempotent.
Reviewed by: Submitted by:
Diffstat (limited to 'sys/sys/errno.h')
-rw-r--r--sys/sys/errno.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/sys/errno.h b/sys/sys/errno.h
index 96d52f3..3bac4ed 100644
--- a/sys/sys/errno.h
+++ b/sys/sys/errno.h
@@ -36,9 +36,12 @@
* SUCH DAMAGE.
*
* @(#)errno.h 8.5 (Berkeley) 1/21/94
- * $Id$
+ * $Id: errno.h,v 1.2 1994/08/02 07:52:54 davidg Exp $
*/
+#ifndef _SYS_ERRNO_H_
+#define _SYS_ERRNO_H_
+
#ifndef KERNEL
extern int errno; /* global error number */
#endif
@@ -162,3 +165,5 @@ extern int errno; /* global error number */
#define ERESTART -1 /* restart syscall */
#define EJUSTRETURN -2 /* don't modify regs, just return */
#endif
+
+#endif
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