1 files changed, 52 insertions, 0 deletions
diff --git a/REORG.TODO/include/errno.h b/REORG.TODO/include/errno.h
new file mode 100644
index 0000000000..73fc32e5e0
--- /dev/null
+++ b/REORG.TODO/include/errno.h
@@ -0,0 +1,52 @@
+#ifndef _ERRNO_H
+
+#include <stdlib/errno.h>
+
+#if defined _ERRNO_H && !defined _ISOMAC
+
+# if IS_IN (rtld)
+#  include <dl-sysdep.h>
+#  ifndef RTLD_PRIVATE_ERRNO
+#   error "dl-sysdep.h must define RTLD_PRIVATE_ERRNO!"
+#  endif
+# else
+#  define RTLD_PRIVATE_ERRNO	0
+# endif
+
+# if RTLD_PRIVATE_ERRNO
+/* The dynamic linker uses its own private errno variable.
+   All access to errno inside the dynamic linker is serialized,
+   so a single (hidden) global variable is all it needs.  */
+
+#  undef  errno
+#  define errno rtld_errno
+extern int rtld_errno attribute_hidden;
+
+# elif IS_IN_LIB
+
+#  include <tls.h>
+
+#  undef  errno
+#  if IS_IN (libc)
+#   define errno __libc_errno
+#  else
+#   define errno errno		/* For #ifndef errno tests.  */
+#  endif
+extern __thread int errno attribute_tls_model_ie;
+
+# endif	/* IS_IN_LIB */
+
+# define __set_errno(val) (errno = (val))
+
+# ifndef __ASSEMBLER__
+extern int *__errno_location (void) __THROW __attribute__ ((__const__))
+#  if RTLD_PRIVATE_ERRNO
+     attribute_hidden
+#  endif
+;
+libc_hidden_proto (__errno_location)
+# endif
+
+#endif /* _ERRNO_H */
+
+#endif /* ! _ERRNO_H */