1 1.3 uwe /* $NetBSD: compat_sigprocmask.S,v 1.3 2006/01/06 04:08:47 uwe Exp $ */ 2 1.1 uwe 3 1.1 uwe /*- 4 1.1 uwe * Copyright (c) 1990 The Regents of the University of California. 5 1.1 uwe * All rights reserved. 6 1.1 uwe * 7 1.1 uwe * This code is derived from software contributed to Berkeley by 8 1.1 uwe * William Jolitz. 9 1.1 uwe * 10 1.1 uwe * Redistribution and use in source and binary forms, with or without 11 1.1 uwe * modification, are permitted provided that the following conditions 12 1.1 uwe * are met: 13 1.1 uwe * 1. Redistributions of source code must retain the above copyright 14 1.1 uwe * notice, this list of conditions and the following disclaimer. 15 1.1 uwe * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 uwe * notice, this list of conditions and the following disclaimer in the 17 1.1 uwe * documentation and/or other materials provided with the distribution. 18 1.1 uwe * 3. Neither the name of the University nor the names of its contributors 19 1.1 uwe * may be used to endorse or promote products derived from this software 20 1.1 uwe * without specific prior written permission. 21 1.1 uwe * 22 1.1 uwe * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 1.1 uwe * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 1.1 uwe * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 1.1 uwe * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 1.1 uwe * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 1.1 uwe * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 1.1 uwe * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 1.1 uwe * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 1.1 uwe * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 1.1 uwe * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 1.1 uwe * SUCH DAMAGE. 33 1.1 uwe * 34 1.1 uwe * from: @(#)sigprocmask.s 5.2 (Berkeley) 12/17/90 35 1.1 uwe */ 36 1.1 uwe 37 1.1 uwe #include <machine/asm.h> 38 1.1 uwe #if defined(SYSLIBC_SCCS) && !defined(lint) 39 1.3 uwe RCSID("$NetBSD: compat_sigprocmask.S,v 1.3 2006/01/06 04:08:47 uwe Exp $") 40 1.1 uwe #endif /* SYSLIBC_SCCS and not lint */ 41 1.1 uwe 42 1.1 uwe #include "SYS.h" 43 1.1 uwe 44 1.1 uwe WARN_REFERENCES(sigprocmask, \ 45 1.1 uwe "warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference") 46 1.1 uwe 47 1.3 uwe /* 48 1.3 uwe * int 49 1.3 uwe * sigprocmask(int how, const sigset_t * restrict set, 50 1.3 uwe * sigset_t * restrict oset); 51 1.3 uwe */ 52 1.1 uwe ENTRY(sigprocmask) 53 1.3 uwe tst r5, r5 /* set == NULL? */ 54 1.3 uwe bf 1f 55 1.3 uwe 56 1.3 uwe bra 2f /* r5 (new mask) is already zero */ 57 1.3 uwe mov #1, r4 /* how = SIG_BLOCK */ 58 1.3 uwe 59 1.3 uwe 1: mov.l @r5, r5 /* fetch new mask */ 60 1.3 uwe 61 1.3 uwe 2: mov #SYS_compat_13_sigprocmask13, r0 62 1.1 uwe trapa #0x80 63 1.1 uwe bf err 64 1.3 uwe 65 1.3 uwe tst r6, r6 /* oset == NULL? */ 66 1.3 uwe bt 3f 67 1.3 uwe mov.l r0, @r6 /* store old mask */ 68 1.3 uwe 3: rts 69 1.3 uwe mov #0, r0 70 1.3 uwe 71 1.1 uwe err: 72 1.2 uwe JUMP_CERROR 73 1.1 uwe 74 1.2 uwe SET_ENTRY_SIZE(sigprocmask) 75
Indexes created Sat Sep 20 22:09:52 GMT 2025