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/*

 *  Routines to access a host errno

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  hosterr.c,v 1.9 2001/01/08 18:26:44 joel Exp

 */

#if HAVE_CONFIG_H

#include "config.h"

#endif

#include <rtems.h>

#if defined(RTEMS_UNIX)

#include <errno.h>

int host_errno( void );

/*

 *  fix_syscall_errno

 *

 *  copy host errno, if any to thread aware errno, if any

 */

void fix_syscall_errno( void )

{

  errno = host_errno();

}

/*

 *  host_errno

 *

 *  Get the host system errno, if any

 *  When using newlib (or possibly other libc's) on top of UNIX

 *  the errno returned by system calls may be unavailable due

 *  to trickery of making errno thread aware.

 *  This provides a kludge of getting at it.

 */

#undef errno

extern int errno;

int host_errno(void)

{

  return errno;

}

#endif