X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..4b17d6b6e417f714551ec129064745ea9919780e:/bsd/sys/file.h diff --git a/bsd/sys/file.h b/bsd/sys/file.h index 8a29f42f6..dcf08f448 100644 --- a/bsd/sys/file.h +++ b/bsd/sys/file.h @@ -1,16 +1,19 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2008 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * 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. + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * 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 @@ -20,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ /* @@ -62,128 +65,38 @@ #define _SYS_FILE_H_ #include +#include #include #include - -#ifdef KERNEL -#include #include #include -struct proc; -struct uio; -#ifdef __APPLE_API_UNSTABLE - -/* - * Kernel descriptor table. - * One entry for each open kernel vnode and socket. - */ -struct file { - LIST_ENTRY(file) f_list;/* list of active files */ - short f_flag; /* see fcntl.h */ -#define DTYPE_VNODE 1 /* file */ -#define DTYPE_SOCKET 2 /* communications endpoint */ -#define DTYPE_PSXSHM 3 /* POSIX Shared memory */ -#define DTYPE_PSXSEM 4 /* POSIX Semaphores */ - short f_type; /* descriptor type */ - short f_count; /* reference count */ - short f_msgcount; /* references from message queue */ - struct ucred *f_cred; /* credentials associated with descriptor */ - struct fileops { - int (*fo_read) __P((struct file *fp, struct uio *uio, - struct ucred *cred, int flags, - struct proc *p)); - int (*fo_write) __P((struct file *fp, struct uio *uio, - struct ucred *cred, int flags, - struct proc *p)); -#define FOF_OFFSET 1 - int (*fo_ioctl) __P((struct file *fp, u_long com, - caddr_t data, struct proc *p)); - int (*fo_select) __P((struct file *fp, int which, - void *wql, struct proc *p)); - int (*fo_close) __P((struct file *fp, struct proc *p)); - } *f_ops; - off_t f_offset; - caddr_t f_data; /* vnode or socket or SHM or semaphore */ -}; - -#ifdef __APPLE_API_PRIVATE -LIST_HEAD(filelist, file); -extern struct filelist filehead; /* head of list of open files */ -extern int maxfiles; /* kernel limit on number of open files */ -extern int nfiles; /* actual number of open files */ -#endif /* __APPLE_API_PRIVATE */ +#ifdef KERNEL +#include +#include +#include +#endif + +#ifndef _KAUTH_CRED_T +#define _KAUTH_CRED_T +struct ucred; +typedef struct ucred *kauth_cred_t; +struct posix_cred; +typedef struct posix_cred *posix_cred_t; +#endif /* !_KAUTH_CRED_T */ __BEGIN_DECLS -int fref __P((struct file *)); /* take a reference on file pointer */ -int frele __P((struct file *)); /* release a reference on file pointer */ -int fcount __P((struct file *)); /* returns the reference count */ - -static __inline int fo_read __P((struct file *fp, struct uio *uio, - struct ucred *cred, int flags, struct proc *p)); -static __inline int fo_write __P((struct file *fp, struct uio *uio, - struct ucred *cred, int flags, struct proc *p)); -static __inline int fo_ioctl __P((struct file *fp, u_long com, caddr_t data, - struct proc *p)); -static __inline int fo_select __P((struct file *fp, int which, void *wql, - struct proc *p)); -static __inline int fo_close __P((struct file *fp, struct proc *p)); - -static __inline int -fo_read(struct file *fp, struct uio *uio, struct ucred *cred, int flags, struct proc *p) -{ - int error; - - if ((error = fref(fp)) == -1) - return (EBADF); - error = (*fp->f_ops->fo_read)(fp, uio, cred, flags, p); - frele(fp); - return (error); -} - -static __inline int -fo_write(struct file *fp, struct uio *uio, struct ucred *cred, int flags, struct proc *p) -{ - int error; - - if ((error = fref(fp)) == -1) - return (EBADF); - error = (*fp->f_ops->fo_write)(fp, uio, cred, flags, p); - frele(fp); - return (error); -} - -static __inline int -fo_ioctl(struct file *fp, u_long com, caddr_t data, struct proc *p) -{ - int error; - - if ((error = fref(fp)) == -1) - return (EBADF); - error = (*fp->f_ops->fo_ioctl)(fp, com, data, p); - frele(fp); - return (error); -} - -static __inline int -fo_select(struct file *fp, int which, void *wql, struct proc *p) -{ - int error; - - error = (*fp->f_ops->fo_select)(fp, which, wql, p); - return (error); -} - -static __inline int -fo_close(struct file *fp, struct proc *p) -{ - - return ((*fp->f_ops->fo_close)(fp, p)); -} -__END_DECLS - -#endif /* __APPLE_API_UNSTABLE */ - +#ifdef KERNEL +int file_socket(int, socket_t *); +int file_vnode(int, vnode_t *); +int file_vnode_withvid(int, vnode_t *, uint32_t *); +int file_flags(int, int *); +int file_drop(int); #endif /* KERNEL */ +#ifdef KERNEL_PRIVATE +int fd_rdwr(int fd, enum uio_rw, uint64_t base, int64_t len, enum uio_seg, + off_t offset, int io_flg, int64_t *aresid); +#endif /* KERNEL_PRIVATE */ +__END_DECLS #endif /* !_SYS_FILE_H_ */