remove the Linux emulation code, no longer referenced by anything

1 files changed, 0 insertions, 935 deletions

diff --git a/sys/compat/linux/linux_signal.c b/sys/compat/linux/linux_signal.c
deleted file mode 100644
index b4d474f7205..00000000000
--- a/sys/compat/linux/linux_signal.c
+++ /dev/null
@@ -1,935 +0,0 @@
-/*	$OpenBSD: linux_signal.c,v 1.18 2015/02/09 13:41:24 pelikan Exp $	*/
-/*	$NetBSD: linux_signal.c,v 1.10 1996/04/04 23:51:36 christos Exp $	*/
-
-/*
- * Copyright (c) 1995 Frank van der Linden
- * All rights reserved.
- *
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *      This product includes software developed for the NetBSD Project
- *      by Frank van der Linden
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- *
- * heavily from: svr4_signal.c,v 1.7 1995/01/09 01:04:21 christos Exp
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/namei.h>
-#include <sys/proc.h>
-#include <sys/filedesc.h>
-#include <sys/ioctl.h>
-#include <sys/mount.h>
-#include <sys/kernel.h>
-#include <sys/signal.h>
-#include <sys/signalvar.h>
-#include <sys/malloc.h>
-
-#include <sys/syscallargs.h>
-
-#include <compat/linux/linux_types.h>
-#include <compat/linux/linux_signal.h>
-#include <compat/linux/linux_syscallargs.h>
-#include <compat/linux/linux_util.h>
-
-#define	sigemptyset(s)		memset((s), 0, sizeof(*(s)))
-#define	sigismember(s, n)	(*(s) & sigmask(n))
-#define	sigaddset(s, n)		(*(s) |= sigmask(n))
- 
-/* Locally used defines (in bsd<->linux conversion functions): */
-#define	linux_sigmask(n)	(1 << ((n) - 1))
-#define	linux_sigemptyset(s)	memset((s), 0, sizeof(*(s)))
-#define	linux_sigismember(s, n)	((s)->sig[((n) - 1) / LINUX__NSIG_BPW]	\
-					& (1 << ((n) - 1) % LINUX__NSIG_BPW))
-#define	linux_sigaddset(s, n)	((s)->sig[((n) - 1) / LINUX__NSIG_BPW]	\
-					|= (1 << ((n) - 1) % LINUX__NSIG_BPW))
-
-int bsd_to_linux_sig[NSIG] = {
-	0,
-	LINUX_SIGHUP,
-	LINUX_SIGINT,
-	LINUX_SIGQUIT,
-	LINUX_SIGILL,
-	LINUX_SIGTRAP,
-	LINUX_SIGABRT,
-	LINUX_NSIG,		/* XXX Kludge to get RT signal #32 to work */
-	LINUX_SIGFPE,
-	LINUX_SIGKILL,
-	LINUX_SIGBUS,
-	LINUX_SIGSEGV,
-	LINUX_NSIG + 1,			/* XXX Kludge to get RT signal #32 to work */
-	LINUX_SIGPIPE,
-	LINUX_SIGALRM,
-	LINUX_SIGTERM,
-	LINUX_SIGURG,
-	LINUX_SIGSTOP,
-	LINUX_SIGTSTP,
-	LINUX_SIGCONT,
-	LINUX_SIGCHLD,
-	LINUX_SIGTTIN,
-	LINUX_SIGTTOU,
-	LINUX_SIGIO,
-	LINUX_SIGXCPU,
-	LINUX_SIGXFSZ,
-	LINUX_SIGVTALRM,
-	LINUX_SIGPROF,
-	LINUX_SIGWINCH,
-	0,			/* SIGINFO */
-	LINUX_SIGUSR1,
-	LINUX_SIGUSR2,
-	0,			/* SIGTHR */
-};
-
-int linux_to_bsd_sig[LINUX__NSIG] = {
-	0,
-	SIGHUP,
-	SIGINT,
-	SIGQUIT,
-	SIGILL,
-	SIGTRAP,
-	SIGABRT,
-	SIGBUS,
-	SIGFPE,
-	SIGKILL,
-	SIGUSR1,
-	SIGSEGV,
-	SIGUSR2,
-	SIGPIPE,
-	SIGALRM,
-	SIGTERM,
-	0,			/* SIGSTKFLT */
-	SIGCHLD,
-	SIGCONT,
-	SIGSTOP,
-	SIGTSTP,
-	SIGTTIN,
-	SIGTTOU,
-	SIGURG,
-	SIGXCPU,
-	SIGXFSZ,
-	SIGVTALRM,
-	SIGPROF,
-	SIGWINCH,
-	SIGIO,
-	0,			/* SIGUNUSED */
-	0,
-	SIGEMT,			/* XXX Gruesome hack for linuxthreads:       */
-	SIGSYS,			/* Map 1st 2 RT signals onto ones we handle. */
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-	0,
-};
-
-/*
- * Convert between Linux and BSD signal sets.
- */
-void
-linux_old_to_bsd_sigset(lss, bss)
-	const linux_old_sigset_t *lss;
-	sigset_t *bss;
-{
-	linux_old_extra_to_bsd_sigset(lss, (const unsigned long *) 0, bss);    
-}
-
-void
-bsd_to_linux_old_sigset(bss, lss)
-	const sigset_t *bss;
-	linux_old_sigset_t *lss;
-{
-	bsd_to_linux_old_extra_sigset(bss, lss, (unsigned long *) 0); 
-}
-
-void
-linux_old_extra_to_bsd_sigset(lss, extra, bss)
-	const linux_old_sigset_t *lss;
-	const unsigned long *extra;
-	sigset_t *bss;
-{
-	linux_sigset_t lsnew;
-
-	/* convert old sigset to new sigset */
-	linux_sigemptyset(&lsnew);
-	lsnew.sig[0] = *lss;
-	if (extra)
-		bcopy(extra, &lsnew.sig[1],
-			sizeof(linux_sigset_t) - sizeof(linux_old_sigset_t));
-
-	linux_to_bsd_sigset(&lsnew, bss);
-}
-
-void
-bsd_to_linux_old_extra_sigset(bss, lss, extra)
-	const sigset_t *bss;
-	linux_old_sigset_t *lss;
-	unsigned long *extra;
-{
-	linux_sigset_t lsnew;
-
-	bsd_to_linux_sigset(bss, &lsnew);
-
-	/* convert new sigset to old sigset */
-	*lss = lsnew.sig[0];
-	if (extra)
-		bcopy(&lsnew.sig[1], extra,
-			sizeof(linux_sigset_t) - sizeof(linux_old_sigset_t));
-}
-
-void
-linux_to_bsd_sigset(lss, bss)
-	const linux_sigset_t *lss;
-	sigset_t *bss;
-{
-	int i, newsig;
-
-	sigemptyset(bss);
-	for (i = 1; i < LINUX__NSIG; i++) {
-		if (linux_sigismember(lss, i)) {
-			newsig = linux_to_bsd_sig[i];
-			if (newsig)
-				sigaddset(bss, newsig);
-		}
-	}
-}
-
-void
-bsd_to_linux_sigset(bss, lss)
-	const sigset_t *bss;
-	linux_sigset_t *lss;
-{
-	int i, newsig;
-
-	linux_sigemptyset(lss);
-	for (i = 1; i < NSIG; i++) {
-		if (sigismember(bss, i)) {
-			newsig = bsd_to_linux_sig[i];
-			if (newsig)
-				linux_sigaddset(lss, newsig);
-		}
-	}
-}
-
-/*
- * Convert between Linux and BSD sigaction structures. Linux has
- * one extra field (sa_restorer) which we don't support.
- */
-void
-linux_old_to_bsd_sigaction(lsa, bsa)
-	struct linux_old_sigaction *lsa;
-	struct sigaction *bsa;
-{
-
-	bsa->sa_handler = lsa->sa__handler;
-	linux_old_to_bsd_sigset(&lsa->sa_mask, &bsa->sa_mask);
-	bsa->sa_flags = 0;
-	if ((lsa->sa_flags & LINUX_SA_ONSTACK) != 0)
-		bsa->sa_flags |= SA_ONSTACK;
-	if ((lsa->sa_flags & LINUX_SA_RESTART) != 0)
-		bsa->sa_flags |= SA_RESTART;
-	if ((lsa->sa_flags & LINUX_SA_ONESHOT) != 0)
-		bsa->sa_flags |= SA_RESETHAND;
-	if ((lsa->sa_flags & LINUX_SA_NOCLDSTOP) != 0)
-		bsa->sa_flags |= SA_NOCLDSTOP;
-	if ((lsa->sa_flags & LINUX_SA_NOMASK) != 0)
-		bsa->sa_flags |= SA_NODEFER;
-}
-
-void
-bsd_to_linux_old_sigaction(bsa, lsa)
-	struct sigaction *bsa;
-	struct linux_old_sigaction *lsa;
-{
-
-	lsa->sa__handler = bsa->sa_handler;
-	bsd_to_linux_old_sigset(&bsa->sa_mask, &lsa->sa_mask);
-	lsa->sa_flags = 0;
-	if ((bsa->sa_flags & SA_NOCLDSTOP) != 0)
-		lsa->sa_flags |= LINUX_SA_NOCLDSTOP;
-	if ((bsa->sa_flags & SA_ONSTACK) != 0)
-		lsa->sa_flags |= LINUX_SA_ONSTACK;
-	if ((bsa->sa_flags & SA_RESTART) != 0)
-		lsa->sa_flags |= LINUX_SA_RESTART;
-	if ((bsa->sa_flags & SA_NODEFER) != 0)
-		lsa->sa_flags |= LINUX_SA_NOMASK;
-	if ((bsa->sa_flags & SA_RESETHAND) != 0)
-		lsa->sa_flags |= LINUX_SA_ONESHOT;
-	lsa->sa_restorer = NULL;
-}
-
-void
-linux_to_bsd_sigaction(lsa, bsa)
-	struct linux_sigaction *lsa;
-	struct sigaction *bsa;
-{
-
-	bsa->sa_handler = lsa->sa__handler;
-	linux_to_bsd_sigset(&lsa->sa_mask, &bsa->sa_mask);
-	bsa->sa_flags = 0;
-	if ((lsa->sa_flags & LINUX_SA_NOCLDSTOP) != 0)
-		bsa->sa_flags |= SA_NOCLDSTOP;
-	if ((lsa->sa_flags & LINUX_SA_ONSTACK) != 0)
-		bsa->sa_flags |= SA_ONSTACK;
-	if ((lsa->sa_flags & LINUX_SA_RESTART) != 0)
-		bsa->sa_flags |= SA_RESTART;
-	if ((lsa->sa_flags & LINUX_SA_ONESHOT) != 0)
-		bsa->sa_flags |= SA_RESETHAND;
-	if ((lsa->sa_flags & LINUX_SA_NOMASK) != 0)
-		bsa->sa_flags |= SA_NODEFER;
-	if ((lsa->sa_flags & LINUX_SA_SIGINFO) != 0)
-		bsa->sa_flags |= SA_SIGINFO;
-}
-
-void
-bsd_to_linux_sigaction(bsa, lsa)
-	struct sigaction *bsa;
-	struct linux_sigaction *lsa;
-{
-
-	/* Clear sa_flags and sa_restorer (if it exists) */
-	memset(lsa, 0, sizeof(struct linux_sigaction));
-
-	/* ...and fill in the mask and flags */
-	bsd_to_linux_sigset(&bsa->sa_mask, &lsa->sa_mask);
-	if ((bsa->sa_flags & SA_NOCLDSTOP) != 0)
-		lsa->sa_flags |= LINUX_SA_NOCLDSTOP;
-	if ((bsa->sa_flags & SA_ONSTACK) != 0)
-		lsa->sa_flags |= LINUX_SA_ONSTACK;
-	if ((bsa->sa_flags & SA_RESTART) != 0)
-		lsa->sa_flags |= LINUX_SA_RESTART;
-	if ((bsa->sa_flags & SA_NODEFER) != 0)
-		lsa->sa_flags |= LINUX_SA_NOMASK;
-	if ((bsa->sa_flags & SA_RESETHAND) != 0)
-		lsa->sa_flags |= LINUX_SA_ONESHOT;
-	if ((bsa->sa_flags & SA_SIGINFO) != 0)
-		lsa->sa_flags |= LINUX_SA_SIGINFO;
-	lsa->sa__handler = bsa->sa_handler;
-}
-
-int
-linux_to_bsd_signal(int linuxsig, int *bsdsig)
-{
-	if (linuxsig < 0 || linuxsig >= LINUX__NSIG)
-		return (EINVAL);
-
-	*bsdsig = linux_to_bsd_sig[linuxsig];
-	return (0);
-}
-
-int
-bsd_to_linux_signal(int bsdsig, int *linuxsig)
-{
-	if (bsdsig < 0 || bsdsig >= NSIG)
-		return (EINVAL);
-
-	*linuxsig = bsd_to_linux_sig[bsdsig];
-	return (0);
-}
-
-/*
- * The Linux sigaction() system call. Do the usual conversions,
- * and just call sigaction(). Some flags and values are silently
- * ignored (see above).
- */
-int
-linux_sys_sigaction(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_sigaction_args /* {
-		syscallarg(int) signum;
-		syscallarg(struct linux_old_sigaction *) nsa;
-		syscallarg(struct linux_old_sigaction *) osa;
-	} */ *uap = v;
-	struct linux_old_sigaction *nlsa, *olsa, tmplsa;
-	struct sigaction *nbsa, *obsa, tmpbsa;
-	struct sys_sigaction_args sa;
-	caddr_t sg;
-	int error;
-
-	if (SCARG(uap, signum) < 0 || SCARG(uap, signum) >= LINUX__NSIG)
-		return (EINVAL);
-
-	sg = stackgap_init(p);
-	nlsa = SCARG(uap, nsa);
-	olsa = SCARG(uap, osa);
-
-	if (olsa != NULL)
-		obsa = stackgap_alloc(&sg, sizeof(struct sigaction));
-	else
-		obsa = NULL;
-
-	if (nlsa != NULL) {
-		nbsa = stackgap_alloc(&sg, sizeof(struct sigaction));
-		if ((error = copyin(nlsa, &tmplsa, sizeof(tmplsa))) != 0)
-			return (error);
-		linux_old_to_bsd_sigaction(&tmplsa, &tmpbsa);
-		if ((error = copyout(&tmpbsa, nbsa, sizeof(tmpbsa))) != 0)
-			return (error);
-	} else
-		nbsa = NULL;
-
-	SCARG(&sa, signum) = linux_to_bsd_sig[SCARG(uap, signum)];
-	SCARG(&sa, nsa) = nbsa;
-	SCARG(&sa, osa) = obsa;
-
-	/* Silently ignore unknown signals */
-	if (SCARG(&sa, signum) == 0) {
-		if (obsa != NULL) {
-			obsa->sa_handler = SIG_IGN;
-			sigemptyset(&obsa->sa_mask);
-			obsa->sa_flags = 0;
-		}
-	}
-	else {
-		if ((error = sys_sigaction(p, &sa, retval)) != 0)
-			return (error);
-	}
-
-	if (olsa != NULL) {
-		if ((error = copyin(obsa, &tmpbsa, sizeof(tmpbsa))) != 0)
-			return (error);
-		bsd_to_linux_old_sigaction(&tmpbsa, &tmplsa);
-		if ((error = copyout(&tmplsa, olsa, sizeof(tmplsa))) != 0)
-			return (error);
-	}
-
-	return (0);
-}
-
-int
-linux_sys_rt_sigaction(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_rt_sigaction_args /* {
-		syscallarg(int) signum;
-		syscallarg(struct linux_sigaction *) nsa;
-		syscallarg(struct linux_sigaction *) osa;
-		syscallarg(size_t) sigsetsize;
-	} */ *uap = v;
-	struct linux_sigaction *nlsa, *olsa, tmplsa;
-	struct sigaction *nbsa, *obsa, tmpbsa;
-	struct sys_sigaction_args sa;
-	caddr_t sg;
-	int error;
-
-	if (SCARG(uap, sigsetsize) != sizeof(linux_sigset_t))
-		return (EINVAL);
-
-	if (SCARG(uap, signum) < 0 || SCARG(uap, signum) >= LINUX__NSIG)
-		return (EINVAL);
-
-	sg = stackgap_init(p);
-	nlsa = SCARG(uap, nsa);
-	olsa = SCARG(uap, osa);
-
-	if (olsa != NULL) 
-		obsa = stackgap_alloc(&sg, sizeof(struct sigaction));
-	else
-		obsa = NULL;
-
-	if (nlsa != NULL) {
-		nbsa = stackgap_alloc(&sg, sizeof(struct sigaction));
-		if ((error = copyin(nlsa, &tmplsa, sizeof(tmplsa))) != 0)
-			return (error);
-		linux_to_bsd_sigaction(&tmplsa, &tmpbsa);
-		if ((error = copyout(&tmpbsa, nbsa, sizeof(tmpbsa))) != 0)
-			return (error);
-	}
-	else
-		nbsa = NULL;
-
-	SCARG(&sa, signum) = linux_to_bsd_sig[SCARG(uap, signum)];
-	SCARG(&sa, nsa) = nbsa;
-	SCARG(&sa, osa) = obsa;
-
-	/* Silently ignore unknown signals */
-	if (SCARG(&sa, signum) == 0) {
-		if (obsa != NULL) {
-			obsa->sa_handler = SIG_IGN;
-			sigemptyset(&obsa->sa_mask);
-			obsa->sa_flags = 0;
-		}
-	}
-	else {
-		if ((error = sys_sigaction(p, &sa, retval)) != 0)
-			return (error);
-	}
-
-	if (olsa != NULL) {
-		if ((error = copyin(obsa, &tmpbsa, sizeof(tmpbsa))) != 0)
-			return (error);
-		bsd_to_linux_sigaction(&tmpbsa, &tmplsa);
-		if ((error = copyout(&tmplsa, olsa, sizeof(tmplsa))) != 0)
-			return (error);
-	}
-
-	return (0);
-}
-
-/*
- * The Linux signal() system call. I think that the signal() in the C
- * library actually calls sigaction, so I doubt this one is ever used.
- * But hey, it can't hurt having it here. The same restrictions as for
- * sigaction() apply.
- */
-int
-linux_sys_signal(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_signal_args /* {
-		syscallarg(int) sig;
-		syscallarg(linux_handler_t) handler;
-	} */ *uap = v;
-	caddr_t sg;
-	struct sys_sigaction_args sa_args;
-	struct sigaction *osa, *nsa, tmpsa;
-	int error;
-
-	if (SCARG(uap, sig) < 0 || SCARG(uap, sig) >= LINUX__NSIG)
-		return (EINVAL);
-
-	sg = stackgap_init(p);
-	nsa = stackgap_alloc(&sg, sizeof *nsa);
-	osa = stackgap_alloc(&sg, sizeof *osa);
-
-	tmpsa.sa_handler = SCARG(uap, handler);
-	tmpsa.sa_mask = (sigset_t) 0;
-	tmpsa.sa_flags = SA_RESETHAND | SA_NODEFER;
-	if ((error = copyout(&tmpsa, nsa, sizeof tmpsa)))
-		return (error);
-
-	SCARG(&sa_args, signum) = linux_to_bsd_sig[SCARG(uap, sig)];
-	SCARG(&sa_args, osa) = osa;
-	SCARG(&sa_args, nsa) = nsa;
-
-	/* Silently ignore unknown signals */
-	if (SCARG(&sa_args, signum) != 0) {
-		if ((error = sys_sigaction(p, &sa_args, retval)))
-			return (error);
-	}
-
-	if ((error = copyin(osa, &tmpsa, sizeof *osa)))
-		return (error);
-	retval[0] = (register_t) tmpsa.sa_handler;
-
-	return (0);
-}
-
-/*
- * This is just a copy of the svr4 compat one. I feel so creative now.
- */
-int
-linux_sys_sigprocmask(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_sigprocmask_args /* {
-		syscallarg(int) how;
-		syscallarg(linux_old_sigset_t *) set;
-		syscallarg(linux_old_sigset_t *) oset;
-	} */ *uap = v;
-	linux_old_sigset_t ss;
-	sigset_t bs;
-	int error = 0;
-
-	*retval = 0;
-
-	if (SCARG(uap, oset) != NULL) {
-		/* Fix the return value first if needed */
-		bsd_to_linux_old_sigset(&p->p_sigmask, &ss);
-		if ((error = copyout(&ss, SCARG(uap, oset), sizeof(ss))) != 0)
-			return (error);
-	}
-
-	if (SCARG(uap, set) == NULL)
-		/* Just examine */
-		return (0);
-
-	if ((error = copyin(SCARG(uap, set), &ss, sizeof(ss))) != 0)
-		return (error);
-
-	linux_old_to_bsd_sigset(&ss, &bs);
-
-	bs &= ~sigcantmask;
-	switch (SCARG(uap, how)) {
-	case LINUX_SIG_BLOCK:
-		atomic_setbits_int(&p->p_sigmask, bs);
-		break;
-
-	case LINUX_SIG_UNBLOCK:
-		atomic_clearbits_int(&p->p_sigmask, bs);
-		break;
-
-	case LINUX_SIG_SETMASK:
-		p->p_sigmask = bs;
-		break;
-
-	default:
-		error = EINVAL;
-		break;
-	}
-
-	return (error);
-}
-
-int
-linux_sys_rt_sigprocmask(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_rt_sigprocmask_args /* {
-		syscallarg(int) how;
-		syscallarg(const linux_sigset_t *) set;
-		syscallarg(linux_sigset_t *) oset;
-		syscallarg(size_t) sigsetsize;
-	} */ *uap = v;
-	linux_sigset_t ls;
-	sigset_t bs;
-	int error = 0;
-
-	if (SCARG(uap, sigsetsize) != sizeof(linux_sigset_t))
-		return (EINVAL);
-
-	*retval = 0;
-
-	if (SCARG(uap, oset) != NULL) {
-		/* Fix the return value first if needed */
-		bsd_to_linux_sigset(&p->p_sigmask, &ls);
-		if ((error = copyout(&ls, SCARG(uap, oset), sizeof(ls))) != 0)
-			return (error);
-	}
-
-	if (SCARG(uap, set) == NULL)
-		/* Just examine */
-		return (0);
-
-	if ((error = copyin(SCARG(uap, set), &ls, sizeof(ls))) != 0)
-		return (error);
-
-	linux_to_bsd_sigset(&ls, &bs);
-
-	bs &= ~sigcantmask;
-	switch (SCARG(uap, how)) {
-	case LINUX_SIG_BLOCK:
-		atomic_setbits_int(&p->p_sigmask, bs);
-		break;
-
-	case LINUX_SIG_UNBLOCK:
-		atomic_clearbits_int(&p->p_sigmask, bs);
-		break;
-
-	case LINUX_SIG_SETMASK:
-		p->p_sigmask = bs;
-		break;
-
-	default:
-		error = EINVAL;
-		break;
-	}
-
-	return (error);
-}
-
-/*
- * The functions below really make no distinction between an int
- * and [linux_]sigset_t. This is ok for now, but it might break
- * sometime. Then again, sigset_t is trusted to be an int everywhere
- * else in the kernel too.
- */
-/* ARGSUSED */
-int
-linux_sys_siggetmask(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-
-	bsd_to_linux_old_sigset(&p->p_sigmask, (linux_old_sigset_t *)retval);
-	return (0);
-}
-
-/*
- * The following three functions fiddle with a process' signal mask.
- * Convert the signal masks because of the different signal
- * values for Linux. The need for this is the reason why
- * they are here, and have not been mapped directly.
- */
-int
-linux_sys_sigsetmask(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_sigsetmask_args /* {
-		syscallarg(linux_old_sigset_t) mask;
-	} */ *uap = v;
-	linux_old_sigset_t mask;
-	sigset_t bsdsig;
-
-	bsd_to_linux_old_sigset(&p->p_sigmask, (linux_old_sigset_t *)retval);
-
-	mask = SCARG(uap, mask);
-	bsd_to_linux_old_sigset(&bsdsig, &mask);
-
-	p->p_sigmask = bsdsig & ~sigcantmask;
-
-	return (0);
-}
-
-int
-linux_sys_sigpending(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_sigpending_args /* {
-		syscallarg(linux_old_sigset_t *) mask;
-	} */ *uap = v;
-	sigset_t bs;
-	linux_old_sigset_t ls;
-
-	bs = p->p_siglist & p->p_sigmask;
-	bsd_to_linux_old_sigset(&bs, &ls);
-
-	return (copyout(&ls, SCARG(uap, mask), sizeof ls));
-}
-
-int
-linux_sys_rt_sigpending(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_rt_sigpending_args /* {
-		syscallarg(linux_sigset_t *) set;
-		syscallarg(size_t) sigsetsize;
-	} */ *uap = v;
-	sigset_t bs;
-	linux_sigset_t ls;
-
-	if (SCARG(uap, sigsetsize) != sizeof(linux_sigset_t))
-		return (EINVAL);
-
-	bs = p->p_siglist & p->p_sigmask;
-	bsd_to_linux_sigset(&bs, &ls);
-
-	return (copyout(&ls, SCARG(uap, set), sizeof ls));
-}
-
-int
-linux_sys_sigsuspend(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_sigsuspend_args /* {
-		syscallarg(caddr_t) restart;
-		syscallarg(int) oldmask;
-		syscallarg(int) mask;
-	} */ *uap = v;
-	struct sys_sigsuspend_args sa;
-	linux_old_sigset_t mask = SCARG(uap, mask);
-
-	linux_old_to_bsd_sigset(&mask, &SCARG(&sa, mask));
-	return (sys_sigsuspend(p, &sa, retval));
-}
-
-int
-linux_sys_rt_sigsuspend(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_rt_sigsuspend_args /* {
-		syscallarg(sigset_t *) unewset;
-		syscallarg(size_t) sigsetsize;
-	} */ *uap = v;
-	struct sys_sigsuspend_args sa;
-	linux_sigset_t mask;
-	int error;
-
-	if (SCARG(uap, sigsetsize) != sizeof(linux_sigset_t))
-		return (EINVAL);
-	
-	error = copyin(SCARG(uap, unewset), &mask, sizeof mask);
-	if (error)
-		return (error);
-	
-	linux_to_bsd_sigset(&mask, &SCARG(&sa, mask));
-	return (sys_sigsuspend(p, &sa, retval));
-}
-
-/*
- * Linux' sigaltstack structure is just of a different order than BSD's
- * so just shuffle the fields around and call our version.
- */
-int
-linux_sys_sigaltstack(p, v, retval)
-	register struct proc *p;
-	void *v;	
-	register_t *retval;
-{	
-	struct linux_sys_sigaltstack_args /* {
-		syscallarg(const struct linux_sigaltstack *) nss;
-		syscallarg(struct linux_sigaltstack *) oss;
-	} */ *uap = v;
-	struct linux_sigaltstack linux_ss;
-	struct sigaltstack *bsd_nss, *bsd_oss;
-	struct sys_sigaltstack_args sa;
-	int error;
-	caddr_t sg;
-
-	sg = stackgap_init(p);
-
-	if (SCARG(uap, nss) != NULL) {
-		bsd_nss = stackgap_alloc(&sg, sizeof *bsd_nss);
-
-		error = copyin(SCARG(uap, nss), &linux_ss, sizeof linux_ss);
-		if (error)
-			return (error);
-
-		bsd_nss->ss_sp = linux_ss.ss_sp;
-		bsd_nss->ss_size = linux_ss.ss_size;
-		bsd_nss->ss_flags = (linux_ss.ss_flags & LINUX_SS_DISABLE) ?
-		    SS_DISABLE : 0;
-
-		SCARG(&sa, nss) = bsd_nss;
-	} else
-		SCARG(&sa, nss) = NULL;
-
-	if (SCARG(uap, oss) == NULL) {
-		SCARG(&sa, oss) = NULL;
-		return (sys_sigaltstack(p, &sa, retval));
-	}
-	SCARG(&sa, oss) = bsd_oss = stackgap_alloc(&sg, sizeof *bsd_oss);
-
-	error = sys_sigaltstack(p, &sa, retval);
-	if (error)
-		return (error);
-
-	linux_ss.ss_sp = bsd_oss->ss_sp;
-	linux_ss.ss_size = bsd_oss->ss_size;
-	linux_ss.ss_flags = 0;
-	if (bsd_oss->ss_flags & SS_ONSTACK)
-		linux_ss.ss_flags |= LINUX_SS_ONSTACK;
-	if (bsd_oss->ss_flags & SS_DISABLE)
-		linux_ss.ss_flags |= LINUX_SS_DISABLE;
-	return (copyout(&linux_ss, SCARG(uap, oss), sizeof linux_ss));
-}
-
-/*
- * The deprecated pause(2), which is really just an instance
- * of sigsuspend(2).
- */
-int
-linux_sys_pause(p, v, retval)
-	register struct proc *p;
-	void *v;	
-	register_t *retval;
-{	
-	struct sys_sigsuspend_args bsa;
-
-	SCARG(&bsa, mask) = p->p_sigmask;
-	return (sys_sigsuspend(p, &bsa, retval));
-}
-
-/*
- * Once more: only a signal conversion is needed.
- */
-int
-linux_sys_kill(p, v, retval)
-	register struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_kill_args /* {
-		syscallarg(int) pid;
-		syscallarg(int) signum;
-	} */ *uap = v;
-	struct sys_kill_args ka;
-
-	SCARG(&ka, pid) = SCARG(uap, pid);
-	if (SCARG(uap, signum) < 0 || SCARG(uap, signum) >= LINUX__NSIG)
-		return (EINVAL);
-	SCARG(&ka, signum) = linux_to_bsd_sig[SCARG(uap, signum)];
-	return (sys_kill(p, &ka, retval));
-}
-
-int
-linux_sys_tgkill(struct proc *p, void *v, register_t *retval)
-{
-	struct linux_sys_tgkill_args /* {
-		syscallarg(int) tgid;
-		syscallarg(int) tid;
-		syscallarg(int) sig;
-	}; */ *uap = v;
-
-	int error;
-	int sig;
-	struct sys_kill_args ka;
-
-	if (SCARG(uap, tgid) < 0 || SCARG(uap, tid) < 0)
-		return (EINVAL);
-
-	if ((error = linux_to_bsd_signal(SCARG(uap, sig), &sig)))
-		return (error);
-
-	/* XXX: Ignoring tgid, behaving like the obsolete linux_sys_tkill */
-	SCARG(&ka, pid) = SCARG(uap, tid);
-	SCARG(&ka, signum) = sig;
-	return (sys_kill(p, &ka, retval));
-}