X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/b4c24cb9d3df001f2892dc4ed451bc769ff28a9f..d7e50217d7adf6e52786a38bcaa4cd698cb9a79e:/bsd/sys/file.h diff --git a/bsd/sys/file.h b/bsd/sys/file.h index 7d6ace763..8a29f42f6 100644 --- a/bsd/sys/file.h +++ b/bsd/sys/file.h @@ -3,19 +3,22 @@ * * @APPLE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ @@ -63,6 +66,7 @@ #include #ifdef KERNEL +#include #include #include @@ -100,7 +104,7 @@ struct file { int (*fo_close) __P((struct file *fp, struct proc *p)); } *f_ops; off_t f_offset; - caddr_t f_data; /* vnode or socket */ + caddr_t f_data; /* vnode or socket or SHM or semaphore */ }; #ifdef __APPLE_API_PRIVATE @@ -130,7 +134,8 @@ fo_read(struct file *fp, struct uio *uio, struct ucred *cred, int flags, struct { int error; - fref(fp); + if ((error = fref(fp)) == -1) + return (EBADF); error = (*fp->f_ops->fo_read)(fp, uio, cred, flags, p); frele(fp); return (error); @@ -141,7 +146,8 @@ fo_write(struct file *fp, struct uio *uio, struct ucred *cred, int flags, struct { int error; - fref(fp); + if ((error = fref(fp)) == -1) + return (EBADF); error = (*fp->f_ops->fo_write)(fp, uio, cred, flags, p); frele(fp); return (error); @@ -152,7 +158,8 @@ fo_ioctl(struct file *fp, u_long com, caddr_t data, struct proc *p) { int error; - fref(fp); + if ((error = fref(fp)) == -1) + return (EBADF); error = (*fp->f_ops->fo_ioctl)(fp, com, data, p); frele(fp); return (error);