/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1994-2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

#include <sys/param.h>
#include <sys/types.h>
#include <sys/sysmacros.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/proc.h>
#include <sys/fault.h>
#include <sys/signal.h>
#include <sys/schedctl.h>
#include <sys/debug.h>

int
sigpending(int flag, sigset_t *setp)
{
        sigset_t set;
        k_sigset_t kset;
        proc_t *p;

        switch (flag) {
        case 1: /* sigpending */
                p = ttoproc(curthread);
                mutex_enter(&p->p_lock);
                schedctl_finish_sigblock(curthread);
                kset = p->p_sig;
                sigorset(&kset, &curthread->t_sig);
                sigandset(&kset, &curthread->t_hold);
                mutex_exit(&p->p_lock);
                break;
        case 2: /* sigfillset */
                kset = fillset;
                break;
        default:
                return (set_errno(EINVAL));
        }

        sigktou(&kset, &set);
        if (copyout((caddr_t)&set, (caddr_t)setp, sizeof (sigset_t)))
                return (set_errno(EFAULT));
        return (0);
}