xnu-6153.141.1.tar.gz

[apple/xnu.git] / bsd / miscfs / fifofs / fifo.h

diff --git a/bsd/miscfs/fifofs/fifo.h b/bsd/miscfs/fifofs/fifo.h
index b5d55b2e90cbd5813264bb316fe7f7f63e0ae98c..0bcb4c0c28070f71256f54b31e4ad17a6765066d 100644 (file)
--- a/bsd/miscfs/fifofs/fifo.h
+++ b/bsd/miscfs/fifofs/fifo.h
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 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,
  * 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 NeXT Computer, Inc. All Rights Reserved */
 /*
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*


@@ -54,56 +60,78 @@
  *
  *     @(#)fifo.h      8.3 (Berkeley) 8/10/94
  */
  *
  *     @(#)fifo.h      8.3 (Berkeley) 8/10/94
  */

+#ifndef __FIFOFS_FOFO_H__
+#define __FIFOFS_FOFO_H__
+
+__BEGIN_DECLS
+
+#ifdef BSD_KERNEL_PRIVATE
+

 
 

+/*
+ * This structure is associated with the FIFO vnode and stores
+ * the state associated with the FIFO.
+ */
+struct fifoinfo {
+       unsigned int    fi_flags;
+       struct socket   *fi_readsock;
+       struct socket   *fi_writesock;
+       long        fi_readers;
+       long        fi_writers;
+       unsigned int    fi_count;
+};
+
+#define FIFO_INCREATE   1
+#define FIFO_CREATEWAIT 2
+#define FIFO_CREATED    4
+
+int     fifo_close_internal(vnode_t, int, vfs_context_t, int);
+int fifo_freespace(struct vnode *vp, long *count);
+int fifo_charcount(struct vnode *vp, int *count);
+
+#endif /* BSD_KERNEL_PRIVATE */
+#ifdef KERNEL

 /*
  * Prototypes for fifo operations on vnodes.
  */
 /*
  * Prototypes for fifo operations on vnodes.
  */

-int    fifo_badop(),
-       fifo_ebadf();
+int     fifo_ebadf(void *);
+
+#define fifo_create (int (*) (struct  vnop_create_args *))err_create
+#define fifo_mknod (int (*) (struct  vnop_mknod_args *))err_mknod
+#define fifo_access (int (*) (struct  vnop_access_args *))fifo_ebadf
+#define fifo_getattr (int (*) (struct  vnop_getattr_args *))fifo_ebadf
+#define fifo_setattr (int (*) (struct  vnop_setattr_args *))fifo_ebadf
+#define fifo_revoke nop_revoke
+#define fifo_mmap (int (*) (struct  vnop_mmap_args *))err_mmap
+#define fifo_fsync (int (*) (struct  vnop_fsync_args *))nullop
+#define fifo_remove (int (*) (struct  vnop_remove_args *))err_remove
+#define fifo_link (int (*) (struct  vnop_link_args *))err_link
+#define fifo_rename (int (*) (struct  vnop_rename_args *))err_rename
+#define fifo_mkdir (int (*) (struct  vnop_mkdir_args *))err_mkdir
+#define fifo_rmdir (int (*) (struct  vnop_rmdir_args *))err_rmdir
+#define fifo_symlink (int (*) (struct  vnop_symlink_args *))err_symlink
+#define fifo_readdir (int (*) (struct  vnop_readdir_args *))err_readdir
+#define fifo_readlink (int (*) (struct  vnop_readlink_args *))err_readlink
+#define fifo_reclaim (int (*) (struct  vnop_reclaim_args *))nullop
+#define fifo_strategy (int (*) (struct  vnop_strategy_args *))err_strategy
+#define fifo_valloc (int (*) (struct  vnop_valloc_args *))err_valloc
+#define fifo_vfree (int (*) (struct  vnop_vfree_args *))err_vfree
+#define fifo_bwrite (int (*) (struct  vnop_bwrite_args *))nullop
+#define fifo_blktooff (int (*) (struct vnop_blktooff_args *))err_blktooff
+
+int     fifo_lookup(struct vnop_lookup_args *);
+int     fifo_open(struct vnop_open_args *);
+int     fifo_close(struct vnop_close_args *);
+int     fifo_read(struct vnop_read_args *);
+int     fifo_write(struct vnop_write_args *);
+int     fifo_ioctl(struct vnop_ioctl_args *);
+int     fifo_select(struct vnop_select_args *);
+int     fifo_inactive(struct  vnop_inactive_args *);
+int     fifo_pathconf(struct vnop_pathconf_args *);
+int     fifo_advlock(struct vnop_advlock_args *);
+
+#endif /* KERNEL */

 
 

-int    fifo_lookup __P((struct vop_lookup_args *));
-#define fifo_create ((int (*) __P((struct  vop_create_args *)))fifo_badop)
-#define fifo_mknod ((int (*) __P((struct  vop_mknod_args *)))fifo_badop)
-int    fifo_open __P((struct vop_open_args *));
-int    fifo_close __P((struct vop_close_args *));
-#define fifo_access ((int (*) __P((struct  vop_access_args *)))fifo_ebadf)
-#define fifo_getattr ((int (*) __P((struct  vop_getattr_args *)))fifo_ebadf)
-#define fifo_setattr ((int (*) __P((struct  vop_setattr_args *)))fifo_ebadf)
-int    fifo_read __P((struct vop_read_args *));
-int    fifo_write __P((struct vop_write_args *));
-#define fifo_lease_check ((int (*) __P((struct  vop_lease_args *)))nullop)
-int    fifo_ioctl __P((struct vop_ioctl_args *));
-int    fifo_select __P((struct vop_select_args *));
-#define        fifo_revoke vop_revoke
-#define fifo_mmap ((int (*) __P((struct  vop_mmap_args *)))fifo_badop)
-#define fifo_fsync ((int (*) __P((struct  vop_fsync_args *)))nullop)
-#define fifo_seek ((int (*) __P((struct  vop_seek_args *)))fifo_badop)
-#define fifo_remove ((int (*) __P((struct  vop_remove_args *)))fifo_badop)
-#define fifo_link ((int (*) __P((struct  vop_link_args *)))fifo_badop)
-#define fifo_rename ((int (*) __P((struct  vop_rename_args *)))fifo_badop)
-#define fifo_mkdir ((int (*) __P((struct  vop_mkdir_args *)))fifo_badop)
-#define fifo_rmdir ((int (*) __P((struct  vop_rmdir_args *)))fifo_badop)
-#define fifo_symlink ((int (*) __P((struct  vop_symlink_args *)))fifo_badop)
-#define fifo_readdir ((int (*) __P((struct  vop_readdir_args *)))fifo_badop)
-#define fifo_readlink ((int (*) __P((struct  vop_readlink_args *)))fifo_badop)
-#define fifo_abortop ((int (*) __P((struct  vop_abortop_args *)))fifo_badop)
-int    fifo_inactive __P((struct  vop_inactive_args *));
-#define fifo_reclaim ((int (*) __P((struct  vop_reclaim_args *)))nullop)
-#define fifo_lock ((int (*) __P((struct  vop_lock_args *)))vop_nolock)
-#define fifo_unlock ((int (*) __P((struct  vop_unlock_args *)))vop_nounlock)
-int    fifo_bmap __P((struct vop_bmap_args *));
-#define fifo_strategy ((int (*) __P((struct  vop_strategy_args *)))fifo_badop)
-int    fifo_print __P((struct vop_print_args *));
-#define fifo_islocked ((int(*) __P((struct vop_islocked_args *)))vop_noislocked)
-int    fifo_pathconf __P((struct vop_pathconf_args *));
-int    fifo_advlock __P((struct vop_advlock_args *));
-#define fifo_blkatoff ((int (*) __P((struct  vop_blkatoff_args *)))fifo_badop)
-#define fifo_valloc ((int (*) __P((struct  vop_valloc_args *)))fifo_badop)
-#define fifo_reallocblks \
-       ((int (*) __P((struct  vop_reallocblks_args *)))fifo_badop)
-#define fifo_vfree ((int (*) __P((struct  vop_vfree_args *)))fifo_badop)
-#define fifo_truncate ((int (*) __P((struct  vop_truncate_args *)))nullop)
-#define fifo_update ((int (*) __P((struct  vop_update_args *)))nullop)
-#define fifo_bwrite ((int (*) __P((struct  vop_bwrite_args *)))nullop)
-#define fifo_blktooff ((int (*) __P((struct vop_blktooff_args *)))fifo_badop)
+__END_DECLS

 
 

+#endif /* __FIFOFS_FOFO_H__ */