forked from Imagelibrary/rtems
44 lines
960 B
C
44 lines
960 B
C
/*
|
|
* Routines to access a host errno
|
|
*
|
|
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
|
|
* On-Line Applications Research Corporation (OAR).
|
|
* All rights assigned to U.S. Government, 1994.
|
|
*
|
|
* This material may be reproduced by or for the U.S. Government pursuant
|
|
* to the copyright license under the clause at DFARS 252.227-7013. This
|
|
* notice must appear in all copies of this file and its derivatives.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#include <rtems.h>
|
|
#include <errno.h>
|
|
|
|
int host_errno(void);
|
|
|
|
/*
|
|
* copy host errno, if any to thread aware errno, if any
|
|
*/
|
|
|
|
void fix_syscall_errno(void)
|
|
{
|
|
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;
|
|
}
|
|
|