1 1.1 christos /* $NetBSD: compat_sigprocmask.S,v 1.1 2005/10/16 04:41:34 christos Exp $ */ 2 1.1 christos 3 1.1 christos /* 4 1.1 christos * Copyright (c) 1992, 1993 5 1.1 christos * The Regents of the University of California. All rights reserved. 6 1.1 christos * 7 1.1 christos * This software was developed by the Computer Systems Engineering group 8 1.1 christos * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 1.1 christos * contributed to Berkeley. 10 1.1 christos * 11 1.1 christos * Redistribution and use in source and binary forms, with or without 12 1.1 christos * modification, are permitted provided that the following conditions 13 1.1 christos * are met: 14 1.1 christos * 1. Redistributions of source code must retain the above copyright 15 1.1 christos * notice, this list of conditions and the following disclaimer. 16 1.1 christos * 2. Redistributions in binary form must reproduce the above copyright 17 1.1 christos * notice, this list of conditions and the following disclaimer in the 18 1.1 christos * documentation and/or other materials provided with the distribution. 19 1.1 christos * 3. Neither the name of the University nor the names of its contributors 20 1.1 christos * may be used to endorse or promote products derived from this software 21 1.1 christos * without specific prior written permission. 22 1.1 christos * 23 1.1 christos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 1.1 christos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 1.1 christos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 1.1 christos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 1.1 christos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 1.1 christos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 1.1 christos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 1.1 christos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 1.1 christos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 1.1 christos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 1.1 christos * SUCH DAMAGE. 34 1.1 christos * 35 1.1 christos * from: Header: sigprocmask.s,v 1.1 91/07/06 13:06:01 torek Exp 36 1.1 christos */ 37 1.1 christos 38 1.1 christos #include <machine/asm.h> 39 1.1 christos #if defined(SYSLIBC_SCCS) && !defined(lint) 40 1.1 christos #if 0 41 1.1 christos .asciz "@(#)sigprocmask.s 8.1 (Berkeley) 6/4/93" 42 1.1 christos #else 43 1.1 christos RCSID("$NetBSD: compat_sigprocmask.S,v 1.1 2005/10/16 04:41:34 christos Exp $") 44 1.1 christos #endif 45 1.1 christos #endif /* SYSLIBC_SCCS and not lint */ 46 1.1 christos 47 1.1 christos #include "SYS.h" 48 1.1 christos 49 1.1 christos WARN_REFERENCES(sigprocmask, \ 50 1.1 christos "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 51 1.1 christos 52 1.1 christos /* 53 1.1 christos * sigprocmask(int how, sigset_t *set, sigset_t *oset) 54 1.1 christos */ 55 1.1 christos ENTRY(sigprocmask) 56 1.1 christos brnz,a %o1, 1f /* if (set != NULL) */ 57 1.1 christos ld [%o1], %o1 /* replace it in %o1 with *set */ 58 1.1 christos #if 0 59 1.1 christos clr %o1 /* else block no signals ... */ 60 1.1 christos #endif 61 1.1 christos mov 1, %o0 /* ... using sigprocmask(SIG_BLOCK) */ 62 1.1 christos 1: 63 1.1 christos mov SYS_compat_13_sigprocmask13, %g1 64 1.1 christos t ST_SYSCALL 65 1.1 christos bcc 2f /* if success, */ 66 1.1 christos tst %o2 /* check to see if oset requested */ 67 1.1 christos ERROR() 68 1.1 christos 2: 69 1.1 christos bne,a 3f /* if oset != NULL, */ 70 1.1 christos st %o0, [%o2] /* *oset = oldmask */ 71 1.1 christos 3: 72 1.1 christos retl /* in any case, return 0 */ 73 1.1 christos clr %o0 74