1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2009 AT&T Intellectual Property * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Intellectual Property * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12 * * 13 * Information and Software Systems Research * 14 * AT&T Research * 15 * Florham Park NJ * 16 * * 17 * Glenn Fowler <gsf@research.att.com> * 18 * David Korn <dgk@research.att.com> * 19 * Phong Vo <kpv@research.att.com> * 20 * * 21 ***********************************************************************/ 22 #pragma prototyped 23 /* 24 * Glenn Fowler 25 * AT&T Research 26 * 27 * 3d fs interface definitions 28 */ 29 30 #ifndef _FS3D_H 31 #define _FS3D_H 32 33 #include <ast_fs.h> 34 35 #if _int_st_spare1 36 #define iview(p) ((p)->st_spare1) 37 #define IVIEW(p,v) ((p)->st_spare1=(v)) 38 #else 39 #if _ary_st_spare4 40 #define iview(p) ((p)->st_spare4[0]) 41 #define IVIEW(p,v) ((p)->st_spare4[0]=(v)) 42 #else 43 #if _ary_st_pad4 44 #define iview(p) ((p)->st_pad4[0]) 45 #define IVIEW(p,v) ((p)->st_pad4[0]=(v)) 46 #else 47 #if _mem_st_rdev_stat 48 #define iview(p) ((S_ISBLK((p)->st_mode)||S_ISCHR((p)->st_mode))?0:(p)->st_rdev) 49 #define IVIEW(p,v) do{if(!S_ISBLK((p)->st_mode)&&!S_ISCHR((p)->st_mode))(p)->st_rdev=(v);}while(0) 50 #else 51 #define iview(p) 0 52 #define IVIEW(p,v) 53 #endif 54 #endif 55 #endif 56 #endif 57 58 /* 59 * special options 60 */ 61 62 #define FS3D_init "/#option/init" 63 #define FS3D_on "/#option/3d" 64 #define FS3D_off "/#option/2d" 65 66 /* 67 * fs3d(3) ops 68 */ 69 70 #define FS3D_OP(o,a) (((a)<<3)|(o)) 71 72 #define FS3D_INIT FS3D_OP_INIT /* re-initialize tables */ 73 #define FS3D_OFF FS3D_OP_OFF 74 #define FS3D_ON FS3D_OP_ON 75 #define FS3D_TEST FS3D_OP_TEST 76 #define FS3D_LIMIT(n) FS3D_OP(FS3D_OP_LIMIT,n) 77 78 #define FS3D_op(x) ((x)&07) 79 #define FS3D_arg(x) (((x)>>3)&07777) 80 81 #define FS3D_OP_OFF 0 82 #define FS3D_OP_ON 1 83 #define FS3D_OP_TEST 2 84 #define FS3D_OP_LIMIT 3 85 #define FS3D_OP_INIT 7 86 87 /* 88 * mount(2) ops 89 */ 90 91 #define FS3D_ALL (FS3D_VIEW|FS3D_VERSION) 92 #define FS3D_VIEW 002 93 #define FS3D_VERSION 004 94 #define FS3D_GET 010 95 #define FS3D_SIZE(n) ((n)<<4) 96 #define FS3D_SIZEOF(n) ((n)>>4) 97 98 #if !_BLD_3d 99 #define mount(s,t,f,d) fs3d_mount(s,t,f,d) 100 #endif 101 102 #if _BLD_ast && defined(__EXPORT__) 103 #define extern __EXPORT__ 104 #endif 105 106 extern int fs3d(int); 107 extern int fs3d_mount(const char*, char*, int, void*); 108 extern char* pathnext(char*, char*, long*); 109 110 #undef extern 111 112 #endif 113