1/* $NetBSD: compat_sigprocmask.S,v 1.1 2005/10/16 04:41:34 christos Exp $ */ 2 3/* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Header: sigprocmask.s,v 1.1 91/07/06 13:06:01 torek Exp 36 */ 37 38#include <machine/asm.h> 39#if defined(SYSLIBC_SCCS) && !defined(lint) 40#if 0 41 .asciz "@(#)sigprocmask.s 8.1 (Berkeley) 6/4/93" 42#else 43 RCSID("$NetBSD: compat_sigprocmask.S,v 1.1 2005/10/16 04:41:34 christos Exp $") 44#endif 45#endif /* SYSLIBC_SCCS and not lint */ 46 47#include "SYS.h" 48 49WARN_REFERENCES(sigprocmask, \ 50 "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 51 52/* 53 * sigprocmask(int how, sigset_t *set, sigset_t *oset) 54 */ 55ENTRY(sigprocmask) 56 brnz,a %o1, 1f /* if (set != NULL) */ 57 ld [%o1], %o1 /* replace it in %o1 with *set */ 58#if 0 59 clr %o1 /* else block no signals ... */ 60#endif 61 mov 1, %o0 /* ... using sigprocmask(SIG_BLOCK) */ 621: 63 mov SYS_compat_13_sigprocmask13, %g1 64 t ST_SYSCALL 65 bcc 2f /* if success, */ 66 tst %o2 /* check to see if oset requested */ 67 ERROR() 682: 69 bne,a 3f /* if oset != NULL, */ 70 st %o0, [%o2] /* *oset = oldmask */ 713: 72 retl /* in any case, return 0 */ 73 clr %o0 74