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authorMiles Bader <miles@lsi.nec.co.jp>2002-08-16 05:02:02 +0000
committerMiles Bader <miles@lsi.nec.co.jp>2002-08-16 05:02:02 +0000
commit2d73ea9bd025d716d3ec1cad1bdb5fce49bdd29b (patch)
tree35250aa6d78ca33d51b9563ba9f3b817c508e118 /libc/sysdeps/linux/common/bits/errno.h
parentf106775df14dbd1af2f1e0d3b1b3c67c167f8ce0 (diff)
(errno): Only define as a macro if __UCLIBC_HAS_THREADS__ is defined.
(__set_errno): Just assign to `errno' (which will be expanded to the thread-friendly version when appropriate).
Diffstat (limited to 'libc/sysdeps/linux/common/bits/errno.h')
-rw-r--r--libc/sysdeps/linux/common/bits/errno.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/common/bits/errno.h b/libc/sysdeps/linux/common/bits/errno.h
index 97e4320f5..6157d6948 100644
--- a/libc/sysdeps/linux/common/bits/errno.h
+++ b/libc/sysdeps/linux/common/bits/errno.h
@@ -1,5 +1,5 @@
/* Error constants. Linux specific version.
- Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -40,13 +40,14 @@ extern int *__errno_location (void) __THROW __attribute__ ((__const__));
# if defined _LIBC
/* We wouldn't need a special macro anymore but it is history. */
-# define __set_errno(val) (*__errno_location ()) = (val)
+# define __set_errno(val) ((errno) = (val))
# endif /* _LIBC */
-# if !defined _LIBC || defined __UCLIBC_HAS_THREADS__
+# if defined __UCLIBC_HAS_THREADS__
/* When using threads, errno is a per-thread value. */
# define errno (*__errno_location ())
# endif
+
# endif /* !__ASSEMBLER__ */
#endif /* _ERRNO_H */