Modify the recent sigaltstack() interface change to use the __RENAME() scheme;
add __sigaltstack14().
This commit is contained in:
kleink
parent
46f604677d
commit
5d7a8f4a16
@ -1,4 +1,4 @@
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/* $NetBSD: signal.h,v 1.10 1997/11/26 16:51:13 kleink Exp $ */
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/* $NetBSD: signal.h,v 1.11 1997/11/29 18:38:20 kleink Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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@ -111,9 +111,14 @@ int sigpause __P((int));
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int sigreturn __P((struct sigcontext *));
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int sigsetmask __P((int));
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int sigstack __P((const struct sigstack *, struct sigstack *));
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int sigaltstack __P((const stack_t *, stack_t *));
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int sigvec __P((int, struct sigvec *, struct sigvec *));
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void psignal __P((unsigned int, const char *));
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#ifdef __LIBC12_SOURCE__
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int sigaltstack __P((const struct sigaltstack13 *, struct sigaltstack13 *));
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int __sigaltstack14 __P((const stack_t *, stack_t *));
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#else
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int sigaltstack __P((const stack_t *, stack_t *)) __RENAME(__sigaltstack14);
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#endif
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#endif /* !_POSIX_SOURCE */
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#endif /* !_ANSI_SOURCE */
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__END_DECLS
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@ -1,4 +1,4 @@
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# $NetBSD: shlib_version,v 1.45 1997/11/02 16:59:40 kleink Exp $
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# $NetBSD: shlib_version,v 1.46 1997/11/29 18:38:22 kleink Exp $
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#
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major=12
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minor=21
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minor=22
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@ -1,4 +1,4 @@
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# $NetBSD: Makefile.inc,v 1.76 1997/11/06 22:34:01 cgd Exp $
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# $NetBSD: Makefile.inc,v 1.77 1997/11/29 18:38:23 kleink Exp $
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# @(#)Makefile.inc 8.1 (Berkeley) 6/17/93
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# sys sources
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@ -20,8 +20,8 @@ DPSRCS+= Lint_Ovfork.c Lint_brk.c Lint_exect.c Lint_fork.c Lint_pipe.c \
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# glue to provide compatibility between GCC 1.X and 2.X and for compat
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# with old syscall interfaces.
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SRCS+= ftruncate.c lseek.c mmap.c semctl.c truncate.c stat.c msync.c swapon.c \
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getdirentries.c
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SRCS+= ftruncate.c getdirentries.c lseek.c mmap.c msync.c semctl.c \
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sigaltstack.c stat.c swapon.c truncate.c
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# "stub" POSIX.1b interfaces which return -1 and set errno to ENOSYS, so
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# we can avoid bumping libc's minor number as functions are added to the
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@ -55,7 +55,7 @@ ASM= accept.o access.o acct.o adjtime.o bind.o chdir.o chflags.o chmod.o \
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setpriority.o setregid.o setreuid.o \
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setrlimit.o setsid.o setsockopt.o settimeofday.o \
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setuid.o shmat.o shmctl.o shmdt.o shmget.o shutdown.o sigaction.o \
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sigaltstack.o socket.o socketpair.o __stat13.o statfs.o swapctl.o \
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__sigaltstack14.o socket.o socketpair.o __stat13.o statfs.o swapctl.o \
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symlink.o sysarch.o umask.o undelete.o unlink.o unmount.o \
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utimes.o vadvise.o wait4.o write.o writev.o __semctl.o __syscall.o \
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__sysctl.o
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69
lib/libc/sys/sigaltstack.c
Normal file
69
lib/libc/sys/sigaltstack.c
Normal file
@ -0,0 +1,69 @@
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/* $NetBSD: sigaltstack.c,v 1.1 1997/11/29 18:38:23 kleink Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#define __LIBC12_SOURCE__
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#include <limits.h>
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#include <signal.h>
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#include <stddef.h>
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int
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sigaltstack(onss, ooss)
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const struct sigaltstack13 *onss;
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struct sigaltstack13 *ooss;
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{
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stack_t nss, oss;
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int error;
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nss.ss_sp = onss->ss_sp;
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nss.ss_size = onss->ss_size;
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nss.ss_flags = onss->ss_flags;
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error = __sigaltstack14(&nss, &oss);
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if (error == 0 && ooss != NULL) {
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ooss->ss_sp = oss.ss_sp;
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if (oss.ss_size > INT_MAX)
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ooss->ss_size = INT_MAX;
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else
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ooss->ss_size = oss.ss_size;
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ooss->ss_flags = oss.ss_flags;
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}
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return (error);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: kern_sig_13.c,v 1.1 1997/11/25 19:32:17 kleink Exp $ */
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/* $NetBSD: kern_sig_13.c,v 1.2 1997/11/29 18:39:46 kleink Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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@ -36,7 +36,6 @@
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/signal.h>
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@ -45,6 +44,8 @@
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#include <sys/mount.h>
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#include <sys/syscallargs.h>
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#include <machine/limits.h>
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#include <compat/common/compat_util.h>
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@ -54,7 +55,7 @@ compat_13_sys_sigaltstack(p, v, retval)
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void *v;
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register_t *retval;
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{
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struct sys_sigaltstack_args ua;
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struct sys___sigaltstack14_args ua;
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struct compat_13_sys_sigaltstack_args /* {
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syscallarg(const struct sigaltstack13 *) nss;
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syscallarg(struct sigaltstack13 *) oss;
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@ -92,7 +93,7 @@ compat_13_sys_sigaltstack(p, v, retval)
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SCARG(&ua, nss) = nssp;
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SCARG(&ua, oss) = ossp;
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error = sys_sigaltstack(p, &ua, retval);
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error = sys___sigaltstack14(p, &ua, retval);
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if (error != 0)
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return (error);
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@ -103,7 +104,10 @@ compat_13_sys_sigaltstack(p, v, retval)
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return (error);
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tmp13.ss_sp = tmp.ss_sp;
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tmp13.ss_size = (int)tmp.ss_size;
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if (tmp.ss_size > INT_MAX)
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tmp13.ss_size = INT_MAX;
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else
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tmp13.ss_size = tmp.ss_size;
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tmp13.ss_flags = tmp.ss_flags;
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error = copyout(&tmp13, SCARG(uap, oss),
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@ -1,4 +1,4 @@
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/* $NetBSD: kern_sig.c,v 1.67 1997/10/16 02:45:39 mycroft Exp $ */
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/* $NetBSD: kern_sig.c,v 1.68 1997/11/29 18:38:24 kleink Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1989, 1991, 1993
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@ -345,12 +345,12 @@ sys_sigsuspend(p, v, retval)
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/* ARGSUSED */
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int
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sys_sigaltstack(p, v, retval)
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sys___sigaltstack14(p, v, retval)
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struct proc *p;
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void *v;
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register_t *retval;
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{
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register struct sys_sigaltstack_args /* {
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register struct sys___sigaltstack14_args /* {
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syscallarg(const struct sigaltstack *) nss;
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syscallarg(struct sigaltstack *) oss;
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} */ *uap = v;
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@ -1,4 +1,4 @@
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$NetBSD: syscalls.master,v 1.65 1997/11/25 19:32:20 kleink Exp $
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$NetBSD: syscalls.master,v 1.66 1997/11/29 18:38:26 kleink Exp $
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; @(#)syscalls.master 8.2 (Berkeley) 1/13/94
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@ -516,5 +516,5 @@
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278 STD { int sys___stat13(const char *path, struct stat *ub); }
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279 STD { int sys___fstat13(int fd, struct stat *sb); }
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280 STD { int sys___lstat13(const char *path, struct stat *ub); }
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281 STD { int sys_sigaltstack(const struct sigaltstack *nss, \
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struct sigaltstack *oss); }
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281 STD { int sys___sigaltstack14(const struct sigaltstack \
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*nss, struct sigaltstack *oss); }
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@ -1,4 +1,4 @@
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/* $NetBSD: signal.h,v 1.24 1997/11/25 19:32:22 kleink Exp $ */
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/* $NetBSD: signal.h,v 1.25 1997/11/29 18:38:27 kleink Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1989, 1991, 1993
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@ -140,13 +140,11 @@ typedef void (*sig_t) __P((int)); /* type of signal function */
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/*
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* Structure used in sigaltstack call.
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*/
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#ifdef _KERNEL
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struct sigaltstack13 {
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char *ss_sp; /* signal stack base */
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int ss_size; /* signal stack length */
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int ss_flags; /* SS_DISABLE and/or SS_ONSTACK */
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};
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#endif
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typedef struct
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#ifndef _XOPEN_SOURCE
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