cb99a5f48e
makes X11 binaries able to actually work: most of them were previously hang in infinite loop wiaiting for data from the X server because SIOCNREAD reported that some data where to be read whereas the X server had nothing to say. Tested (and works): xlogo, xterm, ghostview (IRIX build). Things are getting interesting...
103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
/* $NetBSD: irix_ioctl.c,v 1.1 2002/03/03 20:12:17 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: irix_ioctl.c,v 1.1 2002/03/03 20:12:17 manu 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/filio.h>
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#include <sys/filedesc.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <compat/svr4/svr4_types.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_signal.h>
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#include <compat/svr4/svr4_syscall.h>
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#include <compat/svr4/svr4_syscallargs.h>
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#include <compat/irix/irix_ioctl.h>
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#include <compat/irix/irix_signal.h>
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#include <compat/irix/irix_types.h>
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#include <compat/irix/irix_syscallargs.h>
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int
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irix_sys_ioctl(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 irix_sys_ioctl_args /* {
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syscallarg(int) fd;
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syscallarg(u_long) com;
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syscallarg(caddr_t) data;
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} */ *uap = v;
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u_long cmd;
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struct file *fp;
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struct filedesc *fdp;
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/*
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* This duplicates 6 lines from svr4_sys_ioctl()
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* It would be nice to merge it.
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*/
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fdp = p->p_fd;
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cmd = SCARG(uap, com);
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if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
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return EBADF;
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if ((fp->f_flag & (FREAD | FWRITE)) == 0)
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return EBADF;
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switch (cmd) {
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case IRIX_SIOCNREAD: /* number of bytes to read */
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return (*(fp->f_ops->fo_ioctl))(fp, FIONREAD,
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SCARG(uap, data), p);
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break;
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default: /* Fallback to the standard SVR4 ioctl's */
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return svr4_sys_ioctl(p, v, retval);
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}
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/* NOTREACHED */
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return 0;
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}
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