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-rw-r--r--sys/sys/errno.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/sys/errno.h b/sys/sys/errno.h
index 78fb8caebaa2..3df8f96fe78e 100644
--- a/sys/sys/errno.h
+++ b/sys/sys/errno.h
@@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)errno.h 8.5 (Berkeley) 1/21/94
- * $Id$
+ * $Id: errno.h,v 1.7 1997/02/22 09:45:10 peter Exp $
*/
#ifndef _SYS_ERRNO_H_
@@ -170,8 +170,9 @@ extern int errno; /* global error number */
#ifdef KERNEL
/* pseudo-errors returned inside kernel to modify return to process */
-#define ERESTART -1 /* restart syscall */
-#define EJUSTRETURN -2 /* don't modify regs, just return */
+#define ERESTART (-1) /* restart syscall */
+#define EJUSTRETURN (-2) /* don't modify regs, just return */
+#define ENOIOCTL (-3) /* ioctl not handled by this layer */
#endif
#endif