114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/* $NetBSD: svr4_filio.c,v 1.24 2014/11/09 18:16:55 maxv Exp $ */
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/*-
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* Copyright (c) 1994, 2008 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 Christos Zoulas.
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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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*
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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: svr4_filio.c,v 1.24 2014/11/09 18:16:55 maxv Exp $");
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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#include <sys/ioctl.h>
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#include <sys/termios.h>
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#include <sys/tty.h>
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#include <sys/socket.h>
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#include <sys/mount.h>
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#include <net/if.h>
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#include <sys/syscallargs.h>
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#include <compat/svr4/svr4_types.h>
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#include <compat/svr4/svr4_util.h>
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#include <compat/svr4/svr4_signal.h>
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#include <compat/svr4/svr4_lwp.h>
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#include <compat/svr4/svr4_ucontext.h>
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#include <compat/svr4/svr4_syscallargs.h>
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#include <compat/svr4/svr4_stropts.h>
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#include <compat/svr4/svr4_ioctl.h>
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#include <compat/svr4/svr4_filio.h>
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int
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svr4_fil_ioctl(file_t *fp, struct lwp *l, register_t *retval, int fd, u_long cmd, void *data)
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{
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struct proc *p = l->l_proc;
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int error;
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int num;
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filedesc_t *fdp = p->p_fd;
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fdfile_t *ff;
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int (*ctl)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl;
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*retval = 0;
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error = 0;
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if ((fp = fd_getfile(fd)) == NULL)
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return EBADF;
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ff = fdp->fd_dt->dt_ff[fd];
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switch (cmd) {
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case SVR4_FIOCLEX:
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ff->ff_exclose = true;
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fdp->fd_exclose = true;
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break;
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case SVR4_FIONCLEX:
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ff->ff_exclose = false;
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break;
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case SVR4_FIOGETOWN:
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case SVR4_FIOSETOWN:
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case SVR4_FIOASYNC:
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case SVR4_FIONBIO:
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case SVR4_FIONREAD:
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if ((error = copyin(data, &num, sizeof(num))) != 0)
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break;
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switch (cmd) {
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case SVR4_FIOGETOWN: cmd = FIOGETOWN; break;
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case SVR4_FIOSETOWN: cmd = FIOSETOWN; break;
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case SVR4_FIOASYNC: cmd = FIOASYNC; break;
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case SVR4_FIONBIO: cmd = FIONBIO; break;
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case SVR4_FIONREAD: cmd = FIONREAD; break;
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}
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error = (*ctl)(fp, cmd, &num);
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if (error == 0)
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error = copyout(&num, data, sizeof(num));
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break;
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default:
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DPRINTF(("Unknown svr4 filio %lx\n", cmd));
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break;
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}
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fd_putfile(fd);
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return error;
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}
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