1/* $NetBSD: compat_sigprocmask.S,v 1.1 2005/09/17 11:49:39 tsutsui Exp $ */ 2 3/*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 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 35#include "SYS.h" 36 37#if defined(LIBC_SCCS) && !defined(lint) 38 ASMSTR("from: @(#)sigprocmask.s 8.1 (Berkeley) 6/4/93") 39 ASMSTR("$NetBSD: compat_sigprocmask.S,v 1.1 2005/09/17 11:49:39 tsutsui Exp $") 40#endif /* LIBC_SCCS and not lint */ 41 42WARN_REFERENCES(sigprocmask, \ 43 "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 44 45LEAF(sigprocmask) # sigprocmask(how, new, old) sigset_t *new, *old; 46#ifdef __ABICALLS__ 47 .set noreorder 48 .cpload t9 49 .set reorder 50#endif 51 bne a1, zero, gotptr # if new sigset pointer not null 52 li a0, 1 # how = SIG_BLOCK 53 b doit # mask = zero 54gotptr: 55 lw a1, 0(a1) # indirect to new mask arg 56doit: 57 li v0, SYS_compat_13_sigprocmask13 58 syscall 59 bne a3, zero, err 60 beq a2, zero, out # test if old mask requested 61 sw v0, 0(a2) # store old mask 62out: 63 move v0, zero 64 j ra 65err: 66 la t9, _C_LABEL(__cerror) 67 jr t9 68END(sigprocmask) 69