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Diffstat (limited to 'sys/miscfs/linprocfs/linprocfs.h')
| -rw-r--r-- | sys/miscfs/linprocfs/linprocfs.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/sys/miscfs/linprocfs/linprocfs.h b/sys/miscfs/linprocfs/linprocfs.h new file mode 100644 index 0000000..e7f70bc --- /dev/null +++ b/sys/miscfs/linprocfs/linprocfs.h @@ -0,0 +1,135 @@ +/* + * Copyright (c) 1993 Jan-Simon Pendry + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Jan-Simon Pendry. + * + * 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. + * + * @(#)procfs.h 8.9 (Berkeley) 5/14/95 + * + * $FreeBSD$ + */ + +/* + * The different types of node in a procfs filesystem + */ +typedef enum { + Proot, /* the filesystem root */ + Pself, /* symbolic link for curproc */ + Pproc, /* a process-specific sub-directory */ + Pexe, /* the executable file */ + Pmem, /* the process's memory image */ + Pmeminfo, + Pcpuinfo +} pfstype; + +/* + * control data for the proc file system. + */ +struct pfsnode { + struct pfsnode *pfs_next; /* next on list */ + struct vnode *pfs_vnode; /* vnode associated with this pfsnode */ + pfstype pfs_type; /* type of procfs node */ + pid_t pfs_pid; /* associated process */ + u_short pfs_mode; /* mode bits for stat() */ + u_long pfs_flags; /* open flags */ + u_long pfs_fileno; /* unique file id */ + pid_t pfs_lockowner; /* pfs lock owner */ +}; + +#define PROCFS_NAMELEN 8 /* max length of a filename component */ + +/* + * Kernel stuff follows + */ +#ifdef _KERNEL +#define CNEQ(cnp, s, len) \ + ((cnp)->cn_namelen == (len) && \ + (bcmp((s), (cnp)->cn_nameptr, (len)) == 0)) + +#define KMEM_GROUP 2 + +#define PROCFS_FILENO(pid, type) \ + (((type) < Pproc) ? \ + ((type) + 2) : \ + ((((pid)+1) << 4) + ((int) (type)))) + +/* + * Convert between pfsnode vnode + */ +#define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data) +#define PFSTOV(pfs) ((pfs)->pfs_vnode) + +typedef struct vfs_namemap vfs_namemap_t; +struct vfs_namemap { + const char *nm_name; + int nm_val; +}; + +int vfs_getuserstr __P((struct uio *, char *, int *)); +vfs_namemap_t *vfs_findname __P((vfs_namemap_t *, char *, int)); + +/* <machine/reg.h> */ +struct reg; +struct fpreg; +struct dbreg; + +#define PFIND(pid) ((pid) ? pfind(pid) : &proc0) + +void linprocfs_exit __P((struct proc *)); +int linprocfs_freevp __P((struct vnode *)); +int linprocfs_allocvp __P((struct mount *, struct vnode **, long, pfstype)); +struct vnode *linprocfs_findtextvp __P((struct proc *)); +int linprocfs_sstep __P((struct proc *)); +void linprocfs_fix_sstep __P((struct proc *)); +#if 0 +int linprocfs_read_regs __P((struct proc *, struct reg *)); +int linprocfs_write_regs __P((struct proc *, struct reg *)); +int linprocfs_read_fpregs __P((struct proc *, struct fpreg *)); +int linprocfs_write_fpregs __P((struct proc *, struct fpreg *)); +int linprocfs_read_dbregs __P((struct proc *, struct dbreg *)); +int linprocfs_write_dbregs __P((struct proc *, struct dbreg *)); +#endif +int linprocfs_domeminfo __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio)); +int linprocfs_docpuinfo __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio)); + +/* functions to check whether or not files should be displayed */ +int linprocfs_validfile __P((struct proc *)); + +#define PROCFS_LOCKED 0x01 +#define PROCFS_WANT 0x02 + +extern vop_t **linprocfs_vnodeop_p; + +int linprocfs_root __P((struct mount *, struct vnode **)); +int linprocfs_rw __P((struct vop_read_args *)); +#endif /* _KERNEL */ |
