1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2011 AT&T Intellectual Property * 5 * and is licensed under the * 6 * Eclipse Public License, Version 1.0 * 7 * by AT&T Intellectual Property * 8 * * 9 * A copy of the License is available at * 10 * http://www.eclipse.org/org/documents/epl-v10.html * 11 * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 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_extra 44 #define iview(p) ((p)->st_extra[0]) 45 #define IVIEW(p,v) ((p)->st_extra[0]=(v)) 46 #else 47 #if _ary_st_pad4 48 #define iview(p) ((p)->st_pad4[0]) 49 #define IVIEW(p,v) ((p)->st_pad4[0]=(v)) 50 #else 51 #if _mem_st_rdev_stat 52 #define iview(p) ((S_ISBLK((p)->st_mode)||S_ISCHR((p)->st_mode))?0:(p)->st_rdev) 53 #define IVIEW(p,v) do{if(!S_ISBLK((p)->st_mode)&&!S_ISCHR((p)->st_mode))(p)->st_rdev=(v);}while(0) 54 #else 55 #define iview(p) 0 56 #define IVIEW(p,v) 57 #endif 58 #endif 59 #endif 60 #endif 61 #endif 62 63 /* 64 * special options 65 */ 66 67 #define FS3D_init "/#option/init" 68 #define FS3D_on "/#option/3d" 69 #define FS3D_off "/#option/2d" 70 71 /* 72 * fs3d(3) ops 73 */ 74 75 #define FS3D_OP(o,a) (((a)<<3)|(o)) 76 77 #define FS3D_INIT FS3D_OP_INIT /* re-initialize tables */ 78 #define FS3D_OFF FS3D_OP_OFF 79 #define FS3D_ON FS3D_OP_ON 80 #define FS3D_TEST FS3D_OP_TEST 81 #define FS3D_LIMIT(n) FS3D_OP(FS3D_OP_LIMIT,n) 82 83 #define FS3D_op(x) ((x)&07) 84 #define FS3D_arg(x) (((x)>>3)&07777) 85 86 #define FS3D_OP_OFF 0 87 #define FS3D_OP_ON 1 88 #define FS3D_OP_TEST 2 89 #define FS3D_OP_LIMIT 3 90 #define FS3D_OP_INIT 7 91 92 /* 93 * mount(2) ops 94 */ 95 96 #define FS3D_ALL (FS3D_VIEW|FS3D_VERSION) 97 #define FS3D_VIEW 002 98 #define FS3D_VERSION 004 99 #define FS3D_GET 010 100 #define FS3D_SIZE(n) ((n)<<4) 101 #define FS3D_SIZEOF(n) ((n)>>4) 102 103 #if !_BLD_3d 104 #define mount(s,t,f,d) fs3d_mount(s,t,f,d) 105 #endif 106 107 #if _BLD_ast && defined(__EXPORT__) 108 #define extern __EXPORT__ 109 #endif 110 111 extern int fs3d(int); 112 extern int fs3d_mount(const char*, char*, int, void*); 113 extern char* pathnext(char*, char*, long*); 114 115 #undef extern 116 117 #endif 118