sigpending.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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 */
#pragma ident "%Z%%M% %I% %E% SMI"
#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);
}