#ifndef _ERRNO_H

#include <stdlib/errno.h>

#if !defined _ISOMAC && !defined __ASSEMBLER__

# 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 && !IS_IN (rtld)

#  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))

extern int *__errno_location (void) __THROW __attribute_const__

#  if RTLD_PRIVATE_ERRNO

     attribute_hidden

#  endif

;

libc_hidden_proto (__errno_location)

#endif /* !_ISOMAC && !__ASSEMBLER__ */

#endif /* !_ERRNO_H */