xnu-517.tar.gz

[apple/xnu.git] / bsd / sys / filedesc.h

diff --git a/bsd/sys/filedesc.h b/bsd/sys/filedesc.h
index a0f0bc75aee227690af510e53fc6b0e7e60a6034..8e9f04fabea0417b7233b2b44b2d4d2eb240debc 100644 (file)
--- a/bsd/sys/filedesc.h
+++ b/bsd/sys/filedesc.h
@@ -1,21 +1,24 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.

  *
  * @APPLE_LICENSE_HEADER_START@
  * 
  *
  * @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,
  * 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@
  */
  * 
  * @APPLE_LICENSE_HEADER_END@
  */


@@ -58,6 +61,9 @@
 #ifndef _SYS_FILEDESC_H_
 #define        _SYS_FILEDESC_H_
 
 #ifndef _SYS_FILEDESC_H_
 #define        _SYS_FILEDESC_H_
 

+#include <sys/appleapiopts.h>
+
+#ifdef __APPLE_API_UNSTABLE

 /*
  * This structure is used for the management of descriptors.  It may be
  * shared by multiple processes.
 /*
  * This structure is used for the management of descriptors.  It may be
  * shared by multiple processes.


@@ -75,6 +81,8 @@
 #define NDFILE         25              /* 125 bytes */
 #define NDEXTENT       50              /* 250 bytes in 256-byte alloc. */ 
 
 #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 */
        char    *fd_ofileflags;         /* per-process open file flags */
 struct filedesc {
        struct  file **fd_ofiles;       /* file structures for open files */
        char    *fd_ofileflags;         /* per-process open file flags */


@@ -85,6 +93,11 @@ struct filedesc {
        u_short fd_freefile;            /* approx. next free file */
        u_short fd_cmask;               /* mask for file creation */
        u_short fd_refcnt;              /* reference count */
        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 */

 };
 
 /*
 };
 
 /*


@@ -116,10 +129,15 @@ extern int        fdgetf __P((struct proc *p, int fd, struct file **resultfp));
 extern int     falloc __P((struct proc *p,
                                struct file **resultfp, int *resultfd));
 extern void    ffree __P((struct file *fp));
 extern int     falloc __P((struct proc *p,
                                struct file **resultfp, int *resultfd));
 extern void    ffree __P((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 __P((struct proc *p));
 extern void    fdfree __P((struct proc *p));
 extern void    fdexec __P((struct proc *p));

+#endif /* __APPLE_API_PRIVATE */

 
 #endif /* KERNEL */
 
 
 #endif /* KERNEL */
 

+#endif /* __APPLE_API_UNSTABLE */
+

 #endif /* !_SYS_FILEDESC_H_ */
 #endif /* !_SYS_FILEDESC_H_ */