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1.1 ! root 1: /* ! 2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. ! 3: * ! 4: * @APPLE_LICENSE_HEADER_START@ ! 5: * ! 6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights ! 7: * Reserved. This file contains Original Code and/or Modifications of ! 8: * Original Code as defined in and that are subject to the Apple Public ! 9: * Source License Version 1.1 (the "License"). You may not use this file ! 10: * except in compliance with the License. Please obtain a copy of the ! 11: * License at http://www.apple.com/publicsource and read it before using ! 12: * this file. ! 13: * ! 14: * The Original Code and all software distributed under the License are ! 15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER ! 16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, ! 17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, ! 18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the ! 19: * License for the specific language governing rights and limitations ! 20: * under the License. ! 21: * ! 22: * @APPLE_LICENSE_HEADER_END@ ! 23: */ ! 24: ! 25: /* $NetBSD: procfs.h,v 1.13 1995/03/29 22:08:30 briggs Exp $ */ ! 26: ! 27: /* ! 28: * Copyright (c) 1993 Jan-Simon Pendry ! 29: * Copyright (c) 1993 ! 30: * The Regents of the University of California. All rights reserved. ! 31: * ! 32: * This code is derived from software contributed to Berkeley by ! 33: * Jan-Simon Pendry. ! 34: * ! 35: * Redistribution and use in source and binary forms, with or without ! 36: * modification, are permitted provided that the following conditions ! 37: * are met: ! 38: * 1. Redistributions of source code must retain the above copyright ! 39: * notice, this list of conditions and the following disclaimer. ! 40: * 2. Redistributions in binary form must reproduce the above copyright ! 41: * notice, this list of conditions and the following disclaimer in the ! 42: * documentation and/or other materials provided with the distribution. ! 43: * 3. All advertising materials mentioning features or use of this software ! 44: * must display the following acknowledgement: ! 45: * This product includes software developed by the University of ! 46: * California, Berkeley and its contributors. ! 47: * 4. Neither the name of the University nor the names of its contributors ! 48: * may be used to endorse or promote products derived from this software ! 49: * without specific prior written permission. ! 50: * ! 51: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ! 52: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ! 53: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ! 54: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE ! 55: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL ! 56: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS ! 57: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ! 58: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ! 59: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY ! 60: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF ! 61: * SUCH DAMAGE. ! 62: * ! 63: * @(#)procfs.h 8.7 (Berkeley) 6/15/94 ! 64: */ ! 65: ! 66: /* ! 67: * The different types of node in a procfs filesystem ! 68: */ ! 69: typedef enum { ! 70: Proot, /* the filesystem root */ ! 71: Pcurproc, /* symbolic link for curproc */ ! 72: Pproc, /* a process-specific sub-directory */ ! 73: Pfile, /* the executable file */ ! 74: Pmem, /* the process's memory image */ ! 75: Pregs, /* the process's register set */ ! 76: Pfpregs, /* the process's FP register set */ ! 77: Pctl, /* process control */ ! 78: Pstatus, /* process status */ ! 79: Pnote, /* process notifier */ ! 80: Pnotepg /* process group notifier */ ! 81: } pfstype; ! 82: ! 83: /* ! 84: * control data for the proc file system. ! 85: */ ! 86: struct pfsnode { ! 87: struct pfsnode *pfs_next; /* next on list */ ! 88: struct vnode *pfs_vnode; /* vnode associated with this pfsnode */ ! 89: pfstype pfs_type; /* type of procfs node */ ! 90: pid_t pfs_pid; /* associated process */ ! 91: u_short pfs_mode; /* mode bits for stat() */ ! 92: u_long pfs_flags; /* open flags */ ! 93: u_long pfs_fileno; /* unique file id */ ! 94: }; ! 95: ! 96: #define PROCFS_NOTELEN 64 /* max length of a note (/proc/$pid/note) */ ! 97: #define PROCFS_CTLLEN 8 /* max length of a ctl msg (/proc/$pid/ctl */ ! 98: ! 99: /* ! 100: * Kernel stuff follows ! 101: */ ! 102: #ifdef _KERNEL ! 103: #define CNEQ(cnp, s, len) \ ! 104: ((cnp)->cn_namelen == (len) && \ ! 105: (bcmp((s), (cnp)->cn_nameptr, (len)) == 0)) ! 106: ! 107: /* ! 108: * Format of a directory entry in /proc, ... ! 109: * This must map onto struct dirent (see <dirent.h>) ! 110: */ ! 111: #define PROCFS_NAMELEN 8 ! 112: struct pfsdent { ! 113: u_int32_t d_fileno; ! 114: u_int16_t d_reclen; ! 115: u_int8_t d_type; ! 116: u_int8_t d_namlen; ! 117: char d_name[PROCFS_NAMELEN]; ! 118: }; ! 119: #define UIO_MX sizeof(struct pfsdent) ! 120: #define PROCFS_FILENO(pid, type) \ ! 121: (((type) < Pproc) ? \ ! 122: ((type) + 2) : \ ! 123: ((((pid)+1) << 4) + ((int) (type)))) ! 124: ! 125: /* ! 126: * Convert between pfsnode vnode ! 127: */ ! 128: #define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data) ! 129: #define PFSTOV(pfs) ((pfs)->pfs_vnode) ! 130: ! 131: typedef struct vfs_namemap vfs_namemap_t; ! 132: struct vfs_namemap { ! 133: const char *nm_name; ! 134: int nm_val; ! 135: }; ! 136: ! 137: int vfs_getuserstr __P((struct uio *, char *, int *)); ! 138: vfs_namemap_t *vfs_findname __P((vfs_namemap_t *, char *, int)); ! 139: ! 140: #define PFIND(pid) ((pid) ? pfind(pid) : &kernel_proc) ! 141: int procfs_freevp __P((struct vnode *)); ! 142: int procfs_allocvp __P((struct mount *, struct vnode **, long, pfstype)); ! 143: struct vnode *procfs_findtextvp __P((struct proc *)); ! 144: int procfs_donote __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio)); ! 145: int procfs_doregs __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio)); ! 146: int procfs_dofpregs __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio)); ! 147: int procfs_domem __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio)); ! 148: int procfs_doctl __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio)); ! 149: int procfs_dostatus __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio)); ! 150: ! 151: /* functions to check whether or not files should be displayed */ ! 152: int procfs_validfile __P((struct proc *)); ! 153: int procfs_validfpregs __P((struct proc *)); ! 154: int procfs_validregs __P((struct proc *)); ! 155: ! 156: #define PROCFS_LOCKED 0x01 ! 157: #define PROCFS_WANT 0x02 ! 158: ! 159: extern int (**procfs_vnodeop_p)(); ! 160: extern struct vfsops procfs_vfsops; ! 161: ! 162: /* ! 163: * Prototypes for procfs vnode ops ! 164: */ ! 165: int procfs_badop(); /* varargs */ ! 166: int procfs_rw __P((struct vop_read_args *)); ! 167: int procfs_lookup __P((struct vop_lookup_args *)); ! 168: #define procfs_create ((int (*) __P((struct vop_create_args *))) procfs_badop) ! 169: #define procfs_mknod ((int (*) __P((struct vop_mknod_args *))) procfs_badop) ! 170: int procfs_open __P((struct vop_open_args *)); ! 171: int procfs_close __P((struct vop_close_args *)); ! 172: int procfs_access __P((struct vop_access_args *)); ! 173: int procfs_getattr __P((struct vop_getattr_args *)); ! 174: int procfs_setattr __P((struct vop_setattr_args *)); ! 175: #define procfs_read procfs_rw ! 176: #define procfs_write procfs_rw ! 177: int procfs_ioctl __P((struct vop_ioctl_args *)); ! 178: #define procfs_select ((int (*) __P((struct vop_select_args *))) procfs_badop) ! 179: #define procfs_mmap ((int (*) __P((struct vop_mmap_args *))) procfs_badop) ! 180: #define procfs_fsync ((int (*) __P((struct vop_fsync_args *))) procfs_badop) ! 181: #define procfs_seek ((int (*) __P((struct vop_seek_args *))) procfs_badop) ! 182: #define procfs_remove ((int (*) __P((struct vop_remove_args *))) procfs_badop) ! 183: #define procfs_link ((int (*) __P((struct vop_link_args *))) procfs_badop) ! 184: #define procfs_rename ((int (*) __P((struct vop_rename_args *))) procfs_badop) ! 185: #define procfs_mkdir ((int (*) __P((struct vop_mkdir_args *))) procfs_badop) ! 186: #define procfs_rmdir ((int (*) __P((struct vop_rmdir_args *))) procfs_badop) ! 187: #define procfs_symlink ((int (*) __P((struct vop_symlink_args *))) procfs_badop) ! 188: int procfs_readdir __P((struct vop_readdir_args *)); ! 189: int procfs_readlink __P((struct vop_readlink_args *)); ! 190: int procfs_abortop __P((struct vop_abortop_args *)); ! 191: int procfs_inactive __P((struct vop_inactive_args *)); ! 192: int procfs_reclaim __P((struct vop_reclaim_args *)); ! 193: #define procfs_lock ((int (*) __P((struct vop_lock_args *))) nullop) ! 194: #define procfs_unlock ((int (*) __P((struct vop_unlock_args *))) nullop) ! 195: int procfs_bmap __P((struct vop_bmap_args *)); ! 196: #define procfs_strategy ((int (*) __P((struct vop_strategy_args *))) procfs_badop) ! 197: int procfs_print __P((struct vop_print_args *)); ! 198: #define procfs_islocked ((int (*) __P((struct vop_islocked_args *))) nullop) ! 199: #define procfs_advlock ((int (*) __P((struct vop_advlock_args *))) procfs_badop) ! 200: #define procfs_blkatoff ((int (*) __P((struct vop_blkatoff_args *))) procfs_badop) ! 201: #define procfs_valloc ((int (*) __P((struct vop_valloc_args *))) procfs_badop) ! 202: #define procfs_vfree ((int (*) __P((struct vop_vfree_args *))) nullop) ! 203: #define procfs_truncate ((int (*) __P((struct vop_truncate_args *))) procfs_badop) ! 204: #define procfs_update ((int (*) __P((struct vop_update_args *))) nullop) ! 205: #endif /* _KERNEL */
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