[uClibc-cvs] uClibc/ldso/ldso/arm dl-syscalls.h,1.7,1.8
Erik Andersen
andersen at uclibc.org
Wed May 12 22:54:53 UTC 2004
Update of /var/cvs/uClibc/ldso/ldso/arm
In directory nail:/tmp/cvs-serv535/ldso/arm
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/arm/dl-syscalls.h,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -d -r1.7 -r1.8
--- a/dl-syscalls.h 17 Feb 2004 06:38:01 -0000 1.7
+++ b/dl-syscalls.h 12 May 2004 22:54:50 -0000 1.8
@@ -1,7 +1,6 @@
-/* Define the __set_errno macro as nothing so that INLINE_SYSCALL
- * won't set errno, which is important since we make system calls
- * before the errno symbol is dynamicly linked. */
-
-#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"
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