1 /* @(#)seterrno.c	1.13 10/08/23 Copyright 1985, 1995-2010 J. Schilling */
2 /*
3  *	Set error number
4  *
5  *	Copyright (c) 1985, 1995-2010 J. Schilling
6  */
7 /*
8  * The contents of this file are subject to the terms of the
9  * Common Development and Distribution License, Version 1.0 only
10  * (the "License").  You may not use this file except in compliance
11  * with the License.
12  *
13  * See the file CDDL.Schily.txt in this distribution for details.
14  *
15  * When distributing Covered Code, include this CDDL HEADER in each
16  * file and include the License file CDDL.Schily.txt from this distribution.
17  */
18 
19 #ifndef	_TS_ERRNO
20 #define	_TS_ERRNO		/* Solaris: get thread safe errno value */
21 #endif
22 #ifndef	_LIBC_REENTRANT
23 #define	_LIBC_REENTRANT		/* Linux: get thread safe errno value */
24 #endif
25 #include <schily/standard.h>
26 #include <schily/errno.h>
27 #include <schily/schily.h>
28 
29 #ifdef	seterrno
30 #undef	seterrno
31 #endif
32 
33 EXPORT int
34 seterrno(err)
35 	int	err;
36 {
37 	int	old = errno;
38 
39 	errno = err;
40 	return (old);
41 }
42