Home | History | Annotate | Download | only in sys
      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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include "lint.h"
     30 #include <sys/types.h>
     31 #include <errno.h>
     32 #include <signal.h>
     33 #include "libc.h"
     34 
     35 /*
     36  * POSIX.1c version of the sigwait.
     37  * User gets it via static sigwait from header file.
     38  */
     39 int
     40 __posix_sigwait(const sigset_t *setp, int *signo)
     41 {
     42 	int nerrno = 0;
     43 	int oerrno = errno;
     44 
     45 	errno = 0;
     46 	if ((*signo = sigwait((sigset_t *)setp)) == -1) {
     47 		if (errno == 0)
     48 			errno = EINVAL;
     49 		else
     50 			nerrno = errno;
     51 	}
     52 	errno = oerrno;
     53 	return (nerrno);
     54 }
     55