Annotation of Net2/miscfs/fifofs/fifo.h, revision 1.1.1.1

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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