1*eb9395f8Suwe/* $NetBSD: compat_sigprocmask.S,v 1.1 2005/10/15 22:11:22 uwe Exp $ */ 2*eb9395f8Suwe 3*eb9395f8Suwe/* 4*eb9395f8Suwe * Copyright (c) 1992, 1993 5*eb9395f8Suwe * The Regents of the University of California. All rights reserved. 6*eb9395f8Suwe * 7*eb9395f8Suwe * This software was developed by the Computer Systems Engineering group 8*eb9395f8Suwe * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9*eb9395f8Suwe * contributed to Berkeley. 10*eb9395f8Suwe * 11*eb9395f8Suwe * Redistribution and use in source and binary forms, with or without 12*eb9395f8Suwe * modification, are permitted provided that the following conditions 13*eb9395f8Suwe * are met: 14*eb9395f8Suwe * 1. Redistributions of source code must retain the above copyright 15*eb9395f8Suwe * notice, this list of conditions and the following disclaimer. 16*eb9395f8Suwe * 2. Redistributions in binary form must reproduce the above copyright 17*eb9395f8Suwe * notice, this list of conditions and the following disclaimer in the 18*eb9395f8Suwe * documentation and/or other materials provided with the distribution. 19*eb9395f8Suwe * 3. Neither the name of the University nor the names of its contributors 20*eb9395f8Suwe * may be used to endorse or promote products derived from this software 21*eb9395f8Suwe * without specific prior written permission. 22*eb9395f8Suwe * 23*eb9395f8Suwe * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24*eb9395f8Suwe * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25*eb9395f8Suwe * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26*eb9395f8Suwe * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27*eb9395f8Suwe * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28*eb9395f8Suwe * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29*eb9395f8Suwe * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30*eb9395f8Suwe * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31*eb9395f8Suwe * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32*eb9395f8Suwe * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33*eb9395f8Suwe * SUCH DAMAGE. 34*eb9395f8Suwe * 35*eb9395f8Suwe * from: Header: sigprocmask.s,v 1.1 91/07/06 13:06:01 torek Exp 36*eb9395f8Suwe */ 37*eb9395f8Suwe 38*eb9395f8Suwe#include <machine/asm.h> 39*eb9395f8Suwe#if defined(SYSLIBC_SCCS) && !defined(lint) 40*eb9395f8Suwe#if 0 41*eb9395f8Suwe .asciz "@(#)sigprocmask.s 8.1 (Berkeley) 6/4/93" 42*eb9395f8Suwe#else 43*eb9395f8Suwe RCSID("$NetBSD: compat_sigprocmask.S,v 1.1 2005/10/15 22:11:22 uwe Exp $") 44*eb9395f8Suwe#endif 45*eb9395f8Suwe#endif /* SYSLIBC_SCCS and not lint */ 46*eb9395f8Suwe 47*eb9395f8Suwe#include "SYS.h" 48*eb9395f8Suwe 49*eb9395f8SuweWARN_REFERENCES(sigprocmask, \ 50*eb9395f8Suwe "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 51*eb9395f8Suwe 52*eb9395f8Suwe/* 53*eb9395f8Suwe * sigprocmask(int how, sigset_t *set, sigset_t *oset) 54*eb9395f8Suwe */ 55*eb9395f8SuweENTRY(sigprocmask) 56*eb9395f8Suwe tst %o1 ! set == NULL? 57*eb9395f8Suwe bne,a 1f ! if not, 58*eb9395f8Suwe ld [%o1], %o1 ! replace it in %o1 with *set 59*eb9395f8Suwe! clr %o1 ! else block no signals ... 60*eb9395f8Suwe mov 1, %o0 ! ... using sigprocmask(SIG_BLOCK) 61*eb9395f8Suwe1: 62*eb9395f8Suwe mov SYS_compat_13_sigprocmask13, %g1 63*eb9395f8Suwe t ST_SYSCALL 64*eb9395f8Suwe bcc 2f ! if success, 65*eb9395f8Suwe tst %o2 ! check to see if oset requested 66*eb9395f8Suwe ERROR() 67*eb9395f8Suwe2: 68*eb9395f8Suwe bne,a 3f ! if oset != NULL, 69*eb9395f8Suwe st %o0, [%o2] ! *oset = oldmask 70*eb9395f8Suwe3: 71*eb9395f8Suwe retl ! in any case, return 0 72*eb9395f8Suwe clr %o0 73