1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2000-2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include "lint.h"
28 #include <errno.h>
29 #include <sys/syscall.h>
30
31 /*
32 * __set_errno() takes an error number, maps ERESTART into EINTR, and sets
33 * the global (or per-thread) errno. It returns the mapped error number.
34 * __set_errno(error) is designed to be used after calling __systemcall()
35 * and getting a non-zero error return value. (__systemcall() does not
36 * set errno and does not deal with ERESTART; it just returns the error
37 * number, if any, from the system call.)
38 */
39 int
__set_errno(int error)40 __set_errno(int error)
41 {
42 if (error == ERESTART)
43 error = EINTR;
44 errno = error;
45 return (error);
46 }
47