/* * Copyright (c) 2000-2002 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. 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, 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) 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)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. */ 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 */ __END_DECLS #endif /* __FIFOFS_FOFO_H__ */