[uClibc-cvs] uClibc/ldso/ldso/sh64 dl-syscalls.h,1.1,1.2

[Erik Andersen]

Update of /var/cvs/uClibc/ldso/ldso/sh64
In directory nail:/tmp/cvs-serv535/ldso/sh64

Modified Files:
	dl-syscalls.h 
Log Message:
Add a local '_dl_errno' to be used by syscalls in ldso, allowing
useful syscall failure diagnostics.


Index: dl-syscalls.h
===================================================================
RCS file: /var/cvs/uClibc/ldso/ldso/sh64/dl-syscalls.h,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- a/dl-syscalls.h	17 Dec 2003 08:07:14 -0000	1.1
+++ b/dl-syscalls.h	12 May 2004 22:54:56 -0000	1.2
@@ -1,9 +1,6 @@
-/* Define the __set_errno macro as nothing so that we don't bother
- * setting errno, which is important since we make system calls
- * before the errno symbol is dynamicly linked. */
-
-#include <errno.h>
-#undef __set_errno
-#define __set_errno(X) {(void)(X);}
+/* We can't use the real errno in ldso, since it has not yet
+ * been dynamicly linked in yet. */
+extern int _dl_errno;
+#define __set_errno(X) {(_dl_errno) = (X);}
 #include "sys/syscall.h"