Fix include/errno.h to not use kernel header, and instead use bits/errno.h.

This required we use _LIBC instead of __LIBC__ to be consistent with glibc.
This had some sideffects in sys/syscalls.h.  While fixing things, I made
everything use __set_errno() for (eventual) thread support.
 -Erik

1 files changed, 6 insertions, 3 deletions

diff --git a/include/errno.h b/include/errno.h
index f96590c2e..da7f7a0e4 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -1,8 +1,8 @@
-#ifndef __ERRNO_H
-#define __ERRNO_H
+#ifndef _ERRNO_H
+#define _ERRNO_H
 
 #include <features.h>
-#include <linux/errno.h>
+#include <bits/errno.h>
 
 extern int sys_nerr;
 extern const char *const sys_errlist[];
@@ -10,8 +10,11 @@ extern const char *const sys_errlist[];
 #define _sys_nerr sys_nerr
 #define _sys_errlist sys_errlist
 
+#ifndef	errno
 extern int	errno;
+#endif
 extern void	perror __P ((__const char* __s));
 extern char*	strerror __P ((int __errno));
 
+
 #endif