121 lines
4.1 KiB
C
121 lines
4.1 KiB
C
/* $NetBSD: darwin_signal.c,v 1.4 2002/11/29 13:17:22 manu Exp $ */
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/*-
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* Copyright (c) 2002 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 Emmanuel Dreyfus.
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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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: darwin_signal.c,v 1.4 2002/11/29 13:17:22 manu Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mount.h>
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#include <sys/proc.h>
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#include <sys/signal.h>
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#include <sys/syscallargs.h>
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#include <compat/common/compat_util.h>
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#include <compat/mach/mach_types.h>
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#include <compat/mach/mach_vm.h>
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#include <compat/darwin/darwin_signal.h>
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#include <compat/darwin/darwin_syscallargs.h>
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int
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darwin_sys_sigaction(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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struct darwin_sys_sigaction_args /* {
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syscallarg(int) signum;
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syscallarg(struct darwin___sigaction *) nsa;
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syscallarg(struct sigaction13 *) osa;
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} */ *uap = v;
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struct sys___sigaction_sigtramp_args cup;
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struct darwin___sigaction dsa;
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struct sigaction sa;
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struct sigaction *nsa, *osa;
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struct sigaction13 sa13;
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caddr_t sg = stackgap_init(p, 0);
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int error;
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if ((error = copyin(SCARG(uap, nsa), &dsa, sizeof(dsa))) != 0)
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return error;
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nsa = stackgap_alloc(p, &sg, sizeof(struct sigaction));
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if (SCARG(uap, osa) != NULL)
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osa = stackgap_alloc(p, &sg, sizeof(struct sigaction));
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sa.sa_handler = dsa.darwin_sa_handler.__sa_handler;
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native_sigset13_to_sigset(&dsa.darwin_sa_mask, &sa.sa_mask);
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if (dsa.darwin_sa_flags & ~DARWIN_SA_ALLBITS)
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DPRINTF(("darwin_sys_sigaction: ignoring bits (flags = %x)\n",
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dsa.darwin_sa_flags));
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sa.sa_flags = dsa.darwin_sa_flags & DARWIN_SA_ALLBITS;
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if ((error = copyout(&sa, nsa, sizeof(sa))) != 0)
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return error;
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SCARG(&cup, signum) = SCARG(uap, signum);
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SCARG(&cup, nsa) = nsa;
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if (SCARG(uap, osa) != NULL)
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SCARG(&cup, osa) = osa;
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SCARG(&cup, tramp) = dsa.darwin_sa_tramp;
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SCARG(&cup, vers) = 1;
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if ((error = sys___sigaction_sigtramp(p, &cup, retval)) !=0)
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return error;
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if (SCARG(uap, osa) == NULL)
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return 0;
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if ((error = copyin(SCARG(&cup, osa), &sa, sizeof(sa))) != 0)
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return error;
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sa13.osa_handler = sa.sa_handler;
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sa13.osa_mask = sa.sa_mask.__bits[0];
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native_sigset_to_sigset13(&sa.sa_mask, &sa13.osa_mask);
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sa13.osa_flags = sa.sa_flags;
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if ((error = copyout(&sa13, SCARG(uap, osa), sizeof(sa13))) != 0)
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return error;
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return 0;
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}
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