1/*	$NetBSD: compat_sigprocmask.S,v 1.2 2006/01/06 03:58:31 uwe Exp $	*/
2
3/*-
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * William Jolitz.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	from: @(#)sigprocmask.s	5.2 (Berkeley) 12/17/90
35 */
36
37#include <machine/asm.h>
38#if defined(SYSLIBC_SCCS) && !defined(lint)
39	RCSID("$NetBSD: compat_sigprocmask.S,v 1.2 2006/01/06 03:58:31 uwe Exp $")
40#endif /* SYSLIBC_SCCS and not lint */
41
42#include "SYS.h"
43
44WARN_REFERENCES(sigprocmask, \
45    "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
46
47/*
48 * int
49 * sigprocmask(int how, const sigset_t * restrict set,
50 *     sigset_t * restrict oset);
51 */
52ENTRY(sigprocmask)
53	tst	r5, r5			/* set == NULL? */
54	bf	1f
55
56	bra	2f			/* r5 (new mask) is already zero */
57	 mov	#1, r4			/* how = SIG_BLOCK */
58
591:	mov.l	@r5, r5			/* fetch new mask */
60
612:	mov	#SYS_compat_13_sigprocmask13, r0
62	trapa	#0x80
63	bf	err
64
65	tst	r6, r6			/* oset == NULL? */
66	bt	3f
67	mov.l	r0, @r6			/* store old mask */
683:	rts
69	 mov	#0, r0
70
71err:
72	JUMP_CERROR
73
74	SET_ENTRY_SIZE(sigprocmask)
75