/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Computer, Inc. All rights reserved.
*
- * @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.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @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. 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
* 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.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
/*
*/
#ifndef _SYS_FILE_H_
-#define _SYS_FILE_H_
+#define _SYS_FILE_H_
+#include <sys/appleapiopts.h>
+#include <sys/types.h>
#include <sys/fcntl.h>
#include <sys/unistd.h>
-
-#ifdef KERNEL
#include <sys/queue.h>
#include <sys/cdefs.h>
-struct proc;
-struct uio;
-
-/*
- * 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 (*fo_write) __P((struct file *fp, struct uio *uio,
- struct ucred *cred));
- 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 */
-};
+#ifdef KERNEL
+#include <sys/queue.h>
+#include <sys/kernel_types.h>
+#include <sys/uio.h>
+#endif
-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 */
+#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 */
-__END_DECLS
-
+#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);
+struct fileglob;
+struct fileproc;
+struct vnode;
+int fp_getfvp(struct proc *p, int fd, struct fileproc **resultfp, struct vnode **resultvp);
+struct vnode *fg_get_vnode(struct fileglob *fg);
+#endif /* KERNEL_PRIVATE */
+__END_DECLS
#endif /* !_SYS_FILE_H_ */
projects / apple / xnu.git / blobdiff