186 lines
4.2 KiB
C
186 lines
4.2 KiB
C
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/*
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* %W% (Erasmus) %G% - pk@cs.few.eur.nl
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*/
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/*
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* This structure defines the control data for the proc file system.
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*/
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struct pfsnode {
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struct pfsnode *pfs_next; /* next on list */
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struct vnode *pfs_vnode; /* vnode associated with this pfsnode */
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pid_t pfs_pid;
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int flags;
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long pfs_spare[4];
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};
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struct pfsnode *pfshead;
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/*
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* Format of a directory entry in /proc
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*/
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struct pfsdent {
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unsigned long d_fileno;
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unsigned short d_reclen;
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unsigned short d_namlen;
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char d_nam[8];
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};
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#define PFSDENTSIZE (sizeof(struct direct) - MAXNAMELEN + 8)
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#ifndef DIRBLKSIZ
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#define DIRBLKSIZ DEV_BSIZE
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#endif
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#ifdef DEBUG
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int pfs_debug;
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#endif
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/*
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* Convert between pfsnode pointers and vnode pointers
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*/
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#define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data)
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#define PFSTOV(pfsp) ((pfsp)->pfs_vnode)
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/*
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* Prototypes for PFS operations on vnodes.
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*/
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int pfs_badop();
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int pfs_doio();
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int pfs_lookup __P(( \
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struct vnode *vp, \
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struct nameidata *ndp, \
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struct proc *p));
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#define pfs_create ((int (*) __P(( \
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struct nameidata *ndp, \
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struct vattr *vap, \
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struct proc *p))) pfs_badop)
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#define pfs_mknod ((int (*) __P(( \
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struct nameidata *ndp, \
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struct vattr *vap, \
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struct ucred *cred, \
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struct proc *p))) pfs_badop)
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int pfs_open __P((
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struct vnode *vp,
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int mode,
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struct ucred *cred,
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struct proc *p));
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int pfs_close __P((
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struct vnode *vp,
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int fflag,
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struct ucred *cred,
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struct proc *p));
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int pfs_access __P((
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struct vnode *vp,
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int mode,
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struct ucred *cred,
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struct proc *p));
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int pfs_getattr __P((
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struct vnode *vp,
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struct vattr *vap,
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struct ucred *cred,
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struct proc *p));
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#define pfs_setattr ((int (*) __P(( \
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struct vnode *vp, \
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struct vattr *vap, \
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struct ucred *cred, \
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struct proc *p))) pfs_badop)
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#define pfs_read ((int (*) __P(( \
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struct vnode *vp, \
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struct uio *uio, \
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int ioflag, \
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struct ucred *cred))) pfs_doio)
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#define pfs_write ((int (*) __P(( \
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struct vnode *vp, \
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struct uio *uio, \
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int ioflag, \
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struct ucred *cred))) pfs_doio)
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int pfs_ioctl __P((
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struct vnode *vp,
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int command,
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caddr_t data,
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int fflag,
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struct ucred *cred,
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struct proc *p));
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#define pfs_select ((int (*) __P(( \
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struct vnode *vp, \
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int which, \
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int fflags, \
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struct ucred *cred, \
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struct proc *p))) pfs_badop)
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#define pfs_mmap ((int (*) __P(( \
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struct vnode *vp, \
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int fflags, \
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struct ucred *cred, \
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struct proc *p))) pfs_badop)
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#define pfs_fsync ((int (*) __P(( \
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struct vnode *vp, \
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int fflags, \
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struct ucred *cred, \
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int waitfor, \
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struct proc *p))) pfs_badop)
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#define pfs_seek ((int (*) __P(( \
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struct vnode *vp, \
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off_t oldoff, \
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off_t newoff, \
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struct ucred *cred))) pfs_badop)
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#define pfs_remove ((int (*) __P(( \
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struct nameidata *ndp, \
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struct proc *p))) pfs_badop)
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#define pfs_link ((int (*) __P(( \
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struct vnode *vp, \
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struct nameidata *ndp, \
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struct proc *p))) pfs_badop)
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#define pfs_rename ((int (*) __P(( \
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struct nameidata *fndp, \
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struct nameidata *tdnp, \
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struct proc *p))) pfs_badop)
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#define pfs_mkdir ((int (*) __P(( \
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struct nameidata *ndp, \
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struct vattr *vap, \
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struct proc *p))) pfs_badop)
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#define pfs_rmdir ((int (*) __P(( \
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struct nameidata *ndp, \
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struct proc *p))) pfs_badop)
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#define pfs_symlink ((int (*) __P(( \
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struct nameidata *ndp, \
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struct vattr *vap, \
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char *target, \
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struct proc *p))) pfs_badop)
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int pfs_readdir __P((
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struct vnode *vp,
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struct uio *uio,
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struct ucred *cred,
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int *eofflagp));
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#define pfs_readlink ((int (*) __P(( \
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struct vnode *vp, \
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struct uio *uio, \
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struct ucred *cred))) pfs_badop)
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#define pfs_abortop ((int (*) __P(( \
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struct nameidata *ndp))) pfs_badop)
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int pfs_inactive __P((
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struct vnode *vp,
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struct proc *p));
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int pfs_reclaim __P((
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struct vnode *vp));
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#define pfs_lock ((int (*) __P(( \
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struct vnode *vp))) nullop)
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#define pfs_unlock ((int (*) __P(( \
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struct vnode *vp))) nullop)
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int pfs_bmap __P((
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struct vnode *vp,
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daddr_t bn,
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struct vnode **vpp,
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daddr_t *bnp));
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int pfs_strategy __P((
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struct buf *bp));
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void pfs_print __P((
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struct vnode *vp));
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#define pfs_islocked ((int (*) __P(( \
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struct vnode *vp))) nullop)
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#define pfs_advlock ((int (*) __P(( \
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struct vnode *vp, \
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caddr_t id, \
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int op, \
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struct flock *fl, \
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int flags))) pfs_badop)
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