140 lines
6 KiB
C
140 lines
6 KiB
C
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/*
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* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
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/*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)fifo.h 8.3 (Berkeley) 8/10/94
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*/
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#ifndef __FIFOFS_FOFO_H__
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#define __FIFOFS_FOFO_H__
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__BEGIN_DECLS
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#ifdef BSD_KERNEL_PRIVATE
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/*
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* This structure is associated with the FIFO vnode and stores
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* the state associated with the FIFO.
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*/
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struct fifoinfo {
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unsigned int fi_flags;
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struct socket *fi_readsock;
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struct socket *fi_writesock;
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long fi_readers;
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long fi_writers;
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unsigned int fi_count;
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};
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#define FIFO_INCREATE 1
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#define FIFO_CREATEWAIT 2
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#define FIFO_CREATED 4
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int fifo_close_internal(vnode_t, int, vfs_context_t, int);
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int fifo_freespace(struct vnode *vp, long *count);
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int fifo_charcount(struct vnode *vp, int *count);
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#endif /* BSD_KERNEL_PRIVATE */
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#ifdef KERNEL
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/*
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* Prototypes for fifo operations on vnodes.
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*/
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int fifo_ebadf(void *);
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#define fifo_nullop (void (*)(void))nullop
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#define fifo_create (int (*) (struct vnop_create_args *))err_create
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#define fifo_mknod (int (*) (struct vnop_mknod_args *))err_mknod
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#define fifo_access (int (*) (struct vnop_access_args *))fifo_ebadf
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#define fifo_getattr (int (*) (struct vnop_getattr_args *))fifo_ebadf
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#define fifo_setattr (int (*) (struct vnop_setattr_args *))fifo_ebadf
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#define fifo_revoke nop_revoke
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#define fifo_mmap (int (*) (struct vnop_mmap_args *))err_mmap
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#define fifo_fsync (int (*) (struct vnop_fsync_args *))fifo_nullop
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#define fifo_remove (int (*) (struct vnop_remove_args *))err_remove
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#define fifo_link (int (*) (struct vnop_link_args *))err_link
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#define fifo_rename (int (*) (struct vnop_rename_args *))err_rename
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#define fifo_mkdir (int (*) (struct vnop_mkdir_args *))err_mkdir
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#define fifo_rmdir (int (*) (struct vnop_rmdir_args *))err_rmdir
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#define fifo_symlink (int (*) (struct vnop_symlink_args *))err_symlink
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#define fifo_readdir (int (*) (struct vnop_readdir_args *))err_readdir
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#define fifo_readlink (int (*) (struct vnop_readlink_args *))err_readlink
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#define fifo_reclaim (int (*) (struct vnop_reclaim_args *))fifo_nullop
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#define fifo_strategy (int (*) (struct vnop_strategy_args *))err_strategy
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#define fifo_valloc (int (*) (struct vnop_valloc_args *))err_valloc
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#define fifo_vfree (int (*) (struct vnop_vfree_args *))err_vfree
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#define fifo_bwrite (int (*) (struct vnop_bwrite_args *))fifo_nullop
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#define fifo_blktooff (int (*) (struct vnop_blktooff_args *))err_blktooff
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int fifo_lookup(struct vnop_lookup_args *);
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int fifo_open(struct vnop_open_args *);
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int fifo_close(struct vnop_close_args *);
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int fifo_read(struct vnop_read_args *);
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int fifo_write(struct vnop_write_args *);
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int fifo_ioctl(struct vnop_ioctl_args *);
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int fifo_select(struct vnop_select_args *);
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int fifo_inactive(struct vnop_inactive_args *);
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int fifo_pathconf(struct vnop_pathconf_args *);
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int fifo_advlock(struct vnop_advlock_args *);
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#endif /* KERNEL */
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__END_DECLS
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#endif /* __FIFOFS_FOFO_H__ */
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