/* $NetBSD: compat_sigprocmask.S,v 1.1 2006/03/09 16:20:55 christos Exp $ */ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "SYS.h" #if defined(LIBC_SCCS) && !defined(lint) #if 0 RCSID("from: @(#)sigprocmask.s 5.2 (Berkeley) 6/6/90") #else RCSID("$NetBSD: compat_sigprocmask.S,v 1.1 2006/03/09 16:20:55 christos Exp $") #endif #endif /* LIBC_SCCS and not lint */ WARN_REFERENCES(sigprocmask, \ "warning: reference to compatibility sigprocmask(); include for correct reference") ENTRY(sigprocmask) tstl %sp@(8) /* check new sigset pointer */ jne gotptr /* if not null, indirect */ /* movl #0,%sp@(8) /* null mask pointer: block empty set */ movl #1,%sp@(4) /* SIG_BLOCK */ jra doit gotptr: movl %sp@(8),%a0 movl %a0@,%sp@(8) /* indirect to new mask arg */ doit: movl #SYS_compat_13_sigprocmask13,%d0 trap #0 jcs err tstl %sp@(12) /* test if old mask requested */ jeq out movl %sp@(12),%a0 movl %d0,%a0@ /* store old mask */ out: clrl %d0 rts err: jra PIC_PLT(CERROR)