1 /* $NetBSD: compat_sigprocmask.S,v 1.1 2005/09/16 18:21:20 drochner Exp $ */
4 * Copyright (c) 1994, 1995 Carnegie-Mellon University.
7 * Author: Chris G. Demetriou
9 * Permission to use, copy, modify and distribute this software and
10 * its documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19 * Carnegie Mellon requests users of this software to return to
21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
22 * School of Computer Science
23 * Carnegie Mellon University
24 * Pittsburgh PA 15213-3890
26 * any improvements or extensions that they make and grant Carnegie the
27 * rights to redistribute these changes.
32 WARN_REFERENCES(sigprocmask, \
33 "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
37 cmoveq a1, 1, a0 /* if set == NULL, how = SIG_BLOCK */
38 beq a1, Ldoit /* and set = 0, and do it. */
39 ldl a1, 0(a1) /* load the set from *set */
40 Ldoit: CALLSYS_ERROR(compat_13_sigprocmask13)
41 beq a5, Lret /* if they don't want old mask, done */
42 stl v0, 0(a5) /* otherwise, give it to them. */