forked from Imagelibrary/rtems
48 lines
907 B
C
48 lines
907 B
C
/*
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* Routines to access a host errno
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#include <rtems.h>
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#if defined(RTEMS_UNIX)
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#include <errno.h>
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int host_errno( void );
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/*
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* fix_syscall_errno
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*
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* copy host errno, if any to thread aware errno, if any
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*/
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void fix_syscall_errno( void )
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{
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errno = host_errno();
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}
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/*
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* host_errno
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*
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* Get the host system errno, if any
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* When using newlib (or possibly other libc's) on top of UNIX
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* the errno returned by system calls may be unavailable due
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* to trickery of making errno thread aware.
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* This provides a kludge of getting at it.
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*/
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#undef errno
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extern int errno;
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int host_errno(void)
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{
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return errno;
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}
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#endif
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