bug for bug emulation of IRIX: on some device, including
/dev/usemaclone, fchmod returns 0 on faillure, and libc depends on that behavior.
This commit is contained in:
manu
parent
a9e34d1ccf
commit
83c4aab4e2
@ -1,4 +1,4 @@
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/* $NetBSD: irix_fcntl.c,v 1.6 2002/04/20 20:38:21 manu Exp $ */
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/* $NetBSD: irix_fcntl.c,v 1.7 2002/05/04 07:45:07 manu Exp $ */
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/*-
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* Copyright (c) 2001-2002 The NetBSD Foundation, Inc.
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@ -37,13 +37,14 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: irix_fcntl.c,v 1.6 2002/04/20 20:38:21 manu Exp $");
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__KERNEL_RCSID(0, "$NetBSD: irix_fcntl.c,v 1.7 2002/05/04 07:45:07 manu Exp $");
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#include <sys/types.h>
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#include <sys/signal.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/proc.h>
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#include <sys/conf.h>
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#include <sys/vnode.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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@ -51,9 +52,12 @@ __KERNEL_RCSID(0, "$NetBSD: irix_fcntl.c,v 1.6 2002/04/20 20:38:21 manu Exp $");
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#include <sys/fcntl.h>
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#include <sys/syscallargs.h>
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#include <miscfs/specfs/specdev.h>
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#include <compat/irix/irix_types.h>
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#include <compat/irix/irix_signal.h>
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#include <compat/irix/irix_fcntl.h>
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#include <compat/irix/irix_usema.h>
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#include <compat/irix/irix_syscallargs.h>
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#include <compat/svr4/svr4_types.h>
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@ -252,3 +256,46 @@ fd_truncate(p, fd, whence, start, retval)
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SCARG(&ft, fd) = fd;
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return sys_ftruncate(p, &ft, retval);
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}
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int
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irix_sys_fchmod(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_fchmod_args /* {
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syscallarg(int) fd;
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syscallarg(int) mode;
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} */ *uap = v;
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struct sys_fchmod_args cup;
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struct file *fp;
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int error;
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int major, minor;
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struct vnode *vp;
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SCARG(&cup, fd) = SCARG(uap, fd);
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SCARG(&cup, mode) = SCARG(uap, mode);
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error = sys_fchmod(p, &cup, retval);
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/* getvnode() will use the descriptor for us */
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if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
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return (error);
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/*
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* bug for bug emulation of IRIX: on some device, including
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* /dev/usemaclone, fchmod returns 0 on faillure, and libc
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* depends on that behavior.
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*/
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vp = (struct vnode *)(fp->f_data);
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if (vp->v_type == VCHR) {
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major = major(vp->v_specinfo->si_rdev);
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minor = minor(vp->v_specinfo->si_rdev);
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/* XXX is there a better way to identify a given driver ? */
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if (cdevsw[major].d_open == *irix_usemaopen &&
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minor == IRIX_USEMACLNDEV_MINOR)
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error = 0;
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}
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FILE_UNUSE(fp, p);
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return (error);
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}
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@ -1,10 +1,10 @@
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/* $NetBSD: irix_syscall.h,v 1.42 2002/04/29 14:40:23 manu Exp $ */
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/* $NetBSD: irix_syscall.h,v 1.43 2002/05/04 07:45:06 manu Exp $ */
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/*
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* System call numbers.
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*
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* DO NOT EDIT-- this file is automatically generated.
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* created from NetBSD: syscalls.master,v 1.40 2002/04/28 20:23:22 manu Exp
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* created from NetBSD: syscalls.master,v 1.41 2002/04/29 14:40:23 manu Exp
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*/
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/* syscall: "syscall" ret: "int" args: */
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@ -1,10 +1,10 @@
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/* $NetBSD: irix_syscallargs.h,v 1.42 2002/04/29 14:40:23 manu Exp $ */
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/* $NetBSD: irix_syscallargs.h,v 1.43 2002/05/04 07:45:07 manu Exp $ */
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/*
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* System call argument lists.
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*
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* DO NOT EDIT-- this file is automatically generated.
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* created from NetBSD: syscalls.master,v 1.40 2002/04/28 20:23:22 manu Exp
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* created from NetBSD: syscalls.master,v 1.41 2002/04/29 14:40:23 manu Exp
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*/
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#ifndef _IRIX_SYS__SYSCALLARGS_H_
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@ -115,6 +115,11 @@ struct irix_sys_setpgrp_args {
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syscallarg(int) pgid;
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};
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struct irix_sys_fchmod_args {
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syscallarg(int) fd;
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syscallarg(int) mode;
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};
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struct irix_sys_systeminfo_args {
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syscallarg(int) what;
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syscallarg(char *) buf;
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@ -336,7 +341,7 @@ int irix_sys_setpgrp(struct proc *, void *, register_t *);
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int sys_fsync(struct proc *, void *, register_t *);
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int sys_fchdir(struct proc *, void *, register_t *);
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int sys___posix_fchown(struct proc *, void *, register_t *);
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int sys_fchmod(struct proc *, void *, register_t *);
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int irix_sys_fchmod(struct proc *, void *, register_t *);
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int irix_sys_systeminfo(struct proc *, void *, register_t *);
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int irix_sys_xstat(struct proc *, void *, register_t *);
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int irix_sys_lxstat(struct proc *, void *, register_t *);
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@ -1,14 +1,14 @@
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/* $NetBSD: irix_syscalls.c,v 1.42 2002/04/29 14:40:23 manu Exp $ */
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/* $NetBSD: irix_syscalls.c,v 1.43 2002/05/04 07:45:06 manu Exp $ */
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/*
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* System call names.
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*
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* DO NOT EDIT-- this file is automatically generated.
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* created from NetBSD: syscalls.master,v 1.40 2002/04/28 20:23:22 manu Exp
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* created from NetBSD: syscalls.master,v 1.41 2002/04/29 14:40:23 manu Exp
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: irix_syscalls.c,v 1.42 2002/04/29 14:40:23 manu Exp $");
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__KERNEL_RCSID(0, "$NetBSD: irix_syscalls.c,v 1.43 2002/05/04 07:45:06 manu Exp $");
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#if defined(_KERNEL_OPT)
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#if defined(_KERNEL_OPT)
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@ -1,14 +1,14 @@
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/* $NetBSD: irix_sysent.c,v 1.42 2002/04/29 14:40:23 manu Exp $ */
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/* $NetBSD: irix_sysent.c,v 1.43 2002/05/04 07:45:07 manu Exp $ */
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/*
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* System call switch table.
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*
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* DO NOT EDIT-- this file is automatically generated.
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* created from NetBSD: syscalls.master,v 1.40 2002/04/28 20:23:22 manu Exp
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* created from NetBSD: syscalls.master,v 1.41 2002/04/29 14:40:23 manu Exp
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: irix_sysent.c,v 1.42 2002/04/29 14:40:23 manu Exp $");
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__KERNEL_RCSID(0, "$NetBSD: irix_sysent.c,v 1.43 2002/05/04 07:45:07 manu Exp $");
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#if defined(_KERNEL_OPT)
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#include "opt_ntp.h"
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@ -356,8 +356,8 @@ struct sysent irix_sysent[] = {
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sys_nosys }, /* 151 = unimplemented cachectl */
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{ 3, s(struct sys___posix_fchown_args), 0,
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sys___posix_fchown }, /* 152 = fchown */
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{ 2, s(struct sys_fchmod_args), 0,
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sys_fchmod }, /* 153 = fchmod */
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{ 2, s(struct irix_sys_fchmod_args), 0,
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irix_sys_fchmod }, /* 153 = fchmod */
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{ 0, 0, 0,
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sys_nosys }, /* 154 = unimplemented wait3 */
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{ 0, 0, 0,
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@ -1,4 +1,4 @@
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$NetBSD: syscalls.master,v 1.41 2002/04/29 14:40:23 manu Exp $
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$NetBSD: syscalls.master,v 1.42 2002/05/04 07:45:05 manu Exp $
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; @(#)syscalls.master 8.1 (Berkeley) 7/19/93
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@ -275,7 +275,7 @@
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151 UNIMPL cachectl
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152 NOARGS { int sys___posix_fchown(int fd, int uid, int gid); } \
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fchown
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153 NOARGS { int sys_fchmod(int fd, int mode); }
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153 STD { int irix_sys_fchmod(int fd, int mode); }
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154 UNIMPL wait3
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155 UNIMPL socketpair
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156 STD { long irix_sys_systeminfo(int what, char *buf, \
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