/* $NetBSD: kern_sig_13.c,v 1.9 2003/01/18 07:28:34 thorpej Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum. * * 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 by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 __KERNEL_RCSID(0, "$NetBSD: kern_sig_13.c,v 1.9 2003/01/18 07:28:34 thorpej Exp $"); #include #include #include #include #include #include #include #include #include #include void native_sigset13_to_sigset(oss, ss) const sigset13_t *oss; sigset_t *ss; { ss->__bits[0] = *oss; ss->__bits[1] = 0; ss->__bits[2] = 0; ss->__bits[3] = 0; } void native_sigset_to_sigset13(ss, oss) const sigset_t *ss; sigset13_t *oss; { *oss = ss->__bits[0]; } void native_sigaction13_to_sigaction(osa, sa) const struct sigaction13 *osa; struct sigaction *sa; { sa->sa_handler = osa->osa_handler; native_sigset13_to_sigset(&osa->osa_mask, &sa->sa_mask); sa->sa_flags = osa->osa_flags; } void native_sigaction_to_sigaction13(sa, osa) const struct sigaction *sa; struct sigaction13 *osa; { osa->osa_handler = sa->sa_handler; native_sigset_to_sigset13(&sa->sa_mask, &osa->osa_mask); osa->osa_flags = sa->sa_flags; } void native_sigaltstack13_to_sigaltstack(osa, sa) const struct sigaltstack13 *osa; struct sigaltstack *sa; { sa->ss_sp = osa->ss_sp; sa->ss_size = osa->ss_size; sa->ss_flags = osa->ss_flags; } void native_sigaltstack_to_sigaltstack13(sa, osa) const struct sigaltstack *sa; struct sigaltstack13 *osa; { osa->ss_sp = sa->ss_sp; osa->ss_size = sa->ss_size; osa->ss_flags = sa->ss_flags; } int compat_13_sys_sigaltstack(struct lwp *l, void *v, register_t *retval) { struct compat_13_sys_sigaltstack_args /* { syscallarg(const struct sigaltstack13 *) nss; syscallarg(struct sigaltstack13 *) oss; } */ *uap = v; struct proc *p = l->l_proc; struct sigaltstack13 ness, oess; struct sigaltstack nbss, obss; int error; if (SCARG(uap, nss)) { error = copyin(SCARG(uap, nss), &ness, sizeof(ness)); if (error) return (error); native_sigaltstack13_to_sigaltstack(&ness, &nbss); } error = sigaltstack1(p, SCARG(uap, nss) ? &nbss : 0, SCARG(uap, oss) ? &obss : 0); if (error) return (error); if (SCARG(uap, oss)) { native_sigaltstack_to_sigaltstack13(&obss, &oess); error = copyout(&oess, SCARG(uap, oss), sizeof(oess)); if (error) return (error); } return (0); } int compat_13_sys_sigaction(struct lwp *l, void *v, register_t *retval) { struct compat_13_sys_sigaction_args /* { syscallarg(int) signum; syscallarg(const struct sigaction13 *) nsa; syscallarg(struct sigaction13 *) osa; } */ *uap = v; struct proc *p = l->l_proc; struct sigaction13 nesa, oesa; struct sigaction nbsa, obsa; int error; if (SCARG(uap, nsa)) { error = copyin(SCARG(uap, nsa), &nesa, sizeof(nesa)); if (error) return (error); native_sigaction13_to_sigaction(&nesa, &nbsa); } error = sigaction1(p, SCARG(uap, signum), SCARG(uap, nsa) ? &nbsa : 0, SCARG(uap, osa) ? &obsa : 0, NULL, 0); if (error) return (error); if (SCARG(uap, osa)) { native_sigaction_to_sigaction13(&obsa, &oesa); error = copyout(&oesa, SCARG(uap, osa), sizeof(oesa)); if (error) return (error); } return (0); } int compat_13_sys_sigprocmask(struct lwp *l, void *v, register_t *retval) { struct compat_13_sys_sigprocmask_args /* { syscallarg(int) how; syscallarg(int) mask; } */ *uap = v; struct proc *p = l->l_proc; sigset13_t ness, oess; sigset_t nbss, obss; int error; ness = SCARG(uap, mask); native_sigset13_to_sigset(&ness, &nbss); error = sigprocmask1(p, SCARG(uap, how), &nbss, &obss); if (error) return (error); native_sigset_to_sigset13(&obss, &oess); *retval = oess; return (0); } int compat_13_sys_sigpending(struct lwp *l, void *v, register_t *retval) { struct proc *p = l->l_proc; sigset13_t ess; sigset_t bss; sigpending1(p, &bss); native_sigset_to_sigset13(&bss, &ess); *retval = ess; return (0); } int compat_13_sys_sigsuspend(struct lwp *l, void *v, register_t *retval) { struct compat_13_sys_sigsuspend_args /* { syscallarg(sigset13_t) mask; } */ *uap = v; struct proc *p = l->l_proc; sigset13_t ess; sigset_t bss; ess = SCARG(uap, mask); native_sigset13_to_sigset(&ess, &bss); return (sigsuspend1(p, &bss)); }