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 1994-2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30 #include <sys/param.h>
31 #include <sys/types.h>
32 #include <sys/sysmacros.h>
33 #include <sys/systm.h>
34 #include <sys/errno.h>
35 #include <sys/proc.h>
36 #include <sys/fault.h>
37 #include <sys/signal.h>
38 #include <sys/schedctl.h>
39 #include <sys/debug.h>
40
41 int
sigpending(int flag,sigset_t * setp)42 sigpending(int flag, sigset_t *setp)
43 {
44 sigset_t set;
45 k_sigset_t kset;
46 proc_t *p;
47
48 switch (flag) {
49 case 1: /* sigpending */
50 p = ttoproc(curthread);
51 mutex_enter(&p->p_lock);
52 schedctl_finish_sigblock(curthread);
53 kset = p->p_sig;
54 sigorset(&kset, &curthread->t_sig);
55 sigandset(&kset, &curthread->t_hold);
56 mutex_exit(&p->p_lock);
57 break;
58 case 2: /* sigfillset */
59 kset = fillset;
60 break;
61 default:
62 return (set_errno(EINVAL));
63 }
64
65 sigktou(&kset, &set);
66 if (copyout((caddr_t)&set, (caddr_t)setp, sizeof (sigset_t)))
67 return (set_errno(EFAULT));
68 return (0);
69 }
70