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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include "lint.h"
28 #include <sys/types.h>
29 #include <errno.h>
30 #include <signal.h>
31 #include "libc.h"
32 
33 /*
34  * POSIX.1c version of the sigwait.
35  * User gets it via static sigwait from header file.
36  */
37 int
__posix_sigwait(const sigset_t * setp,int * signo)38 __posix_sigwait(const sigset_t *setp, int *signo)
39 {
40 	int nerrno = 0;
41 	int oerrno = errno;
42 
43 	errno = 0;
44 	if ((*signo = sigwait((sigset_t *)setp)) == -1) {
45 		if (errno == 0)
46 			errno = EINVAL;
47 		else
48 			nerrno = errno;
49 	}
50 	errno = oerrno;
51 	return (nerrno);
52 }
53