X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..3a60a9f5b85abb8c2cf24e1926c5c7b3f608a5e2:/bsd/sys/filedesc.h

diff --git a/bsd/sys/filedesc.h b/bsd/sys/filedesc.h
index 63a254366..5212cc45c 100644
--- a/bsd/sys/filedesc.h
+++ b/bsd/sys/filedesc.h
@@ -1,24 +1,21 @@
 /*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * 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 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
+ * This 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * 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@
  */
@@ -81,8 +78,10 @@
 #define NDFILE		25		/* 125 bytes */
 #define NDEXTENT	50		/* 250 bytes in 256-byte alloc. */ 
 
+struct klist;
+
 struct filedesc {
-	struct	file **fd_ofiles;	/* file structures for open files */
+	struct	fileproc **fd_ofiles;	/* file structures for open files */
 	char	*fd_ofileflags;		/* per-process open file flags */
 	struct	vnode *fd_cdir;		/* current directory */
 	struct	vnode *fd_rdir;		/* root directory */
@@ -91,14 +90,27 @@ struct filedesc {
 	u_short	fd_freefile;		/* approx. next free file */
 	u_short	fd_cmask;		/* mask for file creation */
 	u_short	fd_refcnt;		/* reference count */
+
+	int     fd_knlistsize;          /* size of knlist */
+	struct  klist *fd_knlist;       /* list of attached knotes */
+	u_long  fd_knhashmask;          /* size of knhash */
+	struct  klist *fd_knhash;       /* hash table for attached knotes */
+        int	fd_flags;
 };
 
+/*
+ * definitions for fd_flags;
+ */
+#define	FD_CHROOT	0x01	/* process was chrooted... keep track even */
+                                /* if we're force unmounted and unable to */
+                                /* take a vnode_ref on fd_rdir during a fork */
+
 /*
  * Per-process open flags.
  */
 #define	UF_EXCLOSE 	0x01		/* auto-close on exec */
-#define	UF_MAPPED 	0x02		/* mapped from device */
 #define UF_RESERVED	0x04		/* open pending / in progress */
+#define UF_CLOSING	0x08		/* close in progress */
 
 /*
  * Storage required per open file descriptor.
@@ -109,24 +121,23 @@ struct filedesc {
 /*
  * Kernel global variables and routines.
  */
-extern int	dupfdopen __P((struct filedesc *fdp,
-				int indx, int dfd, int mode, int error));
-extern int	fdalloc __P((struct proc *p, int want, int *result));
-extern void	fdrelse __P((struct proc *p, int fd));
-extern int	fdavail __P((struct proc *p, int n));
-extern int	fdgetf __P((struct proc *p, int fd, struct file **resultfp));
+extern int	dupfdopen(struct filedesc *fdp,
+				int indx, int dfd, int mode, int error);
+extern int	fdalloc(struct proc *p, int want, int *result);
+extern void	fdrelse(struct proc *p, int fd);
+extern int	fdavail(struct proc *p, int n);
 #define		fdfile(p, fd)					\
 			(&(p)->p_fd->fd_ofiles[(fd)])
 #define		fdflags(p, fd)					\
 			(&(p)->p_fd->fd_ofileflags[(fd)])
-extern int	falloc __P((struct proc *p,
-				struct file **resultfp, int *resultfd));
-extern void	ffree __P((struct file *fp));
+extern int	falloc(struct proc *p,
+				struct fileproc **resultfp, int *resultfd);
+extern void	ffree(struct file *fp);
 
 #ifdef __APPLE_API_PRIVATE
-extern struct	filedesc *fdcopy __P((struct proc *p));
-extern void	fdfree __P((struct proc *p));
-extern void	fdexec __P((struct proc *p));
+extern struct	filedesc *fdcopy(struct proc *p);
+extern void	fdfree(struct proc *p);
+extern void	fdexec(struct proc *p);
 #endif /* __APPLE_API_PRIVATE */
 
 #endif /* KERNEL */