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Annotation of Net2/sys/fifo.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1991 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)fifo.h      7.1 (Berkeley) 4/15/91
        !            34:  */
        !            35: 
        !            36: #ifdef FIFO
        !            37: /*
        !            38:  * Prototypes for fifo operations on vnodes.
        !            39:  */
        !            40: int    fifo_badop(),
        !            41:        fifo_ebadf();
        !            42: 
        !            43: int    fifo_lookup __P((
        !            44:                struct vnode *vp,
        !            45:                struct nameidata *ndp,
        !            46:                struct proc *p));
        !            47: #define fifo_create ((int (*) __P(( \
        !            48:                struct nameidata *ndp, \
        !            49:                struct vattr *vap, \
        !            50:                struct proc *p))) fifo_badop)
        !            51: #define fifo_mknod ((int (*) __P(( \
        !            52:                struct nameidata *ndp, \
        !            53:                struct vattr *vap, \
        !            54:                struct ucred *cred, \
        !            55:                struct proc *p))) fifo_badop)
        !            56: int    fifo_open __P((
        !            57:                struct vnode *vp,
        !            58:                int mode,
        !            59:                struct ucred *cred,
        !            60:                struct proc *p));
        !            61: int    fifo_close __P((
        !            62:                struct vnode *vp,
        !            63:                int fflag,
        !            64:                struct ucred *cred,
        !            65:                struct proc *p));
        !            66: #define fifo_access ((int (*) __P(( \
        !            67:                struct vnode *vp, \
        !            68:                int mode, \
        !            69:                struct ucred *cred, \
        !            70:                struct proc *p))) fifo_ebadf)
        !            71: #define fifo_getattr ((int (*) __P(( \
        !            72:                struct vnode *vp, \
        !            73:                struct vattr *vap, \
        !            74:                struct ucred *cred, \
        !            75:                struct proc *p))) fifo_ebadf)
        !            76: #define fifo_setattr ((int (*) __P(( \
        !            77:                struct vnode *vp, \
        !            78:                struct vattr *vap, \
        !            79:                struct ucred *cred, \
        !            80:                struct proc *p))) fifo_ebadf)
        !            81: int    fifo_read __P((
        !            82:                struct vnode *vp,
        !            83:                struct uio *uio,
        !            84:                int ioflag,
        !            85:                struct ucred *cred));
        !            86: int    fifo_write __P((
        !            87:                struct vnode *vp,
        !            88:                struct uio *uio,
        !            89:                int ioflag,
        !            90:                struct ucred *cred));
        !            91: int    fifo_ioctl __P((
        !            92:                struct vnode *vp,
        !            93:                int command,
        !            94:                caddr_t data,
        !            95:                int fflag,
        !            96:                struct ucred *cred,
        !            97:                struct proc *p));
        !            98: int    fifo_select __P((
        !            99:                struct vnode *vp,
        !           100:                int which,
        !           101:                int fflags,
        !           102:                struct ucred *cred,
        !           103:                struct proc *p));
        !           104: #define fifo_mmap ((int (*) __P(( \
        !           105:                struct vnode *vp, \
        !           106:                int fflags, \
        !           107:                struct ucred *cred, \
        !           108:                struct proc *p))) fifo_badop)
        !           109: #define fifo_fsync ((int (*) __P(( \
        !           110:                struct vnode *vp, \
        !           111:                int fflags, \
        !           112:                struct ucred *cred, \
        !           113:                int waitfor, \
        !           114:                struct proc *p))) nullop)
        !           115: #define fifo_seek ((int (*) __P(( \
        !           116:                struct vnode *vp, \
        !           117:                off_t oldoff, \
        !           118:                off_t newoff, \
        !           119:                struct ucred *cred))) fifo_badop)
        !           120: #define fifo_remove ((int (*) __P(( \
        !           121:                struct nameidata *ndp, \
        !           122:                struct proc *p))) fifo_badop)
        !           123: #define fifo_link ((int (*) __P(( \
        !           124:                struct vnode *vp, \
        !           125:                struct nameidata *ndp, \
        !           126:                struct proc *p))) fifo_badop)
        !           127: #define fifo_rename ((int (*) __P(( \
        !           128:                struct nameidata *fndp, \
        !           129:                struct nameidata *tdnp, \
        !           130:                struct proc *p))) fifo_badop)
        !           131: #define fifo_mkdir ((int (*) __P(( \
        !           132:                struct nameidata *ndp, \
        !           133:                struct vattr *vap, \
        !           134:                struct proc *p))) fifo_badop)
        !           135: #define fifo_rmdir ((int (*) __P(( \
        !           136:                struct nameidata *ndp, \
        !           137:                struct proc *p))) fifo_badop)
        !           138: #define fifo_symlink ((int (*) __P(( \
        !           139:                struct nameidata *ndp, \
        !           140:                struct vattr *vap, \
        !           141:                char *target, \
        !           142:                struct proc *p))) fifo_badop)
        !           143: #define fifo_readdir ((int (*) __P(( \
        !           144:                struct vnode *vp, \
        !           145:                struct uio *uio, \
        !           146:                struct ucred *cred, \
        !           147:                int *eofflagp))) fifo_badop)
        !           148: #define fifo_readlink ((int (*) __P(( \
        !           149:                struct vnode *vp, \
        !           150:                struct uio *uio, \
        !           151:                struct ucred *cred))) fifo_badop)
        !           152: #define fifo_abortop ((int (*) __P(( \
        !           153:                struct nameidata *ndp))) fifo_badop)
        !           154: #define fifo_inactive ((int (*) __P(( \
        !           155:                struct vnode *vp, \
        !           156:                struct proc *p))) nullop)
        !           157: #define fifo_reclaim ((int (*) __P(( \
        !           158:                struct vnode *vp))) nullop)
        !           159: int    fifo_lock __P((
        !           160:                struct vnode *vp));
        !           161: int    fifo_unlock __P((
        !           162:                struct vnode *vp));
        !           163: int    fifo_bmap __P((
        !           164:                struct vnode *vp,
        !           165:                daddr_t bn,
        !           166:                struct vnode **vpp,
        !           167:                daddr_t *bnp));
        !           168: #define fifo_strategy ((int (*) __P(( \
        !           169:                struct buf *bp))) fifo_badop)
        !           170: int    fifo_print __P((
        !           171:                struct vnode *vp));
        !           172: #define fifo_islocked ((int (*) __P(( \
        !           173:                struct vnode *vp))) nullop)
        !           174: int    fifo_advlock __P((
        !           175:                struct vnode *vp,
        !           176:                caddr_t id,
        !           177:                int op,
        !           178:                struct flock *fl,
        !           179:                int flags));
        !           180: #endif /* FIFO */

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