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| 2 | pj | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 10 | * Massimiliano Giorgi <massy@gandalf.sssup.it> |
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| 11 | * Luca Abeni <luca@gandalf.sssup.it> |
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| 12 | * (see the web pages for full authors list) |
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| 13 | * |
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| 14 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 15 | * |
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| 16 | * http://www.sssup.it |
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| 17 | * http://retis.sssup.it |
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| 18 | * http://shark.sssup.it |
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| 19 | */ |
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| 20 | |||
| 21 | /* |
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| 22 | * Copyright (C) 1999 Massimiliano Giorgi |
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| 23 | * |
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| 24 | * This program is free software; you can redistribute it and/or modify |
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| 25 | * it under the terms of the GNU General Public License as published by |
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| 26 | * the Free Software Foundation; either version 2 of the License, or |
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| 27 | * (at your option) any later version. |
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| 28 | * |
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| 29 | * This program is distributed in the hope that it will be useful, |
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| 30 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 31 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 32 | * GNU General Public License for more details. |
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| 33 | * |
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| 34 | * You should have received a copy of the GNU General Public License |
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| 35 | * along with this program; if not, write to the Free Software |
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| 36 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 37 | * |
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| 38 | */ |
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| 39 | |||
| 40 | /* |
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| 41 | * CVS : $Id: wrappers.c,v 1.1.1.1 2002-03-29 14:12:53 pj Exp $ |
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| 42 | * |
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| 43 | * File: $File$ |
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| 44 | * Revision: $Revision: 1.1.1.1 $ |
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| 45 | * Last update: $Date: 2002-03-29 14:12:53 $ |
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| 46 | */ |
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| 47 | |||
| 48 | #include <kernel/model.h> |
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| 49 | |||
| 50 | #include <fs/types.h> |
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| 51 | #include <fs/const.h> |
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| 52 | #include <fs/stdarg.h> |
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| 53 | #include <fs/syscall.h> |
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| 54 | #include <fs/errno.h> |
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| 55 | #include <fs/limits.h> |
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| 56 | #include <fs/fcntl.h> |
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| 57 | #include <fs/stat.h> |
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| 58 | #include <fs/dirent.h> |
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| 59 | #include <fs/mount.h> |
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| 60 | |||
| 61 | #include "errno.h" |
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| 62 | #include "mutex.h" |
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| 63 | |||
| 64 | static NOP_mutexattr_t libio_mutexattr=NOP_MUTEXATTR_INITIALIZER; |
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| 65 | mutexattr_t *libio_mutexattrptr=&libio_mutexattr; |
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| 66 | |||
| 67 | int libio_initialize(void) |
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| 68 | { |
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| 69 | extern int dir_initialize(void); |
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| 70 | return dir_initialize(); |
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| 71 | } |
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| 72 | |||
| 73 | /* |
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| 74 | * |
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| 75 | * SYSTEM CALLS |
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| 76 | * |
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| 77 | */ |
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| 78 | |||
| 79 | |||
| 80 | |||
| 81 | |||
| 82 | extern int k_open(const char *pathname, int oflag, int mode); |
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| 83 | |||
| 84 | int open(const char *pathname, int oflag, ...) |
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| 85 | { |
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| 86 | int mode=0; |
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| 87 | int res; |
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| 88 | |||
| 89 | if (oflag & O_CREAT){ |
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| 90 | va_list arg; |
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| 91 | va_start(arg, oflag); |
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| 92 | mode=va_arg(arg,int); |
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| 93 | va_end(arg); |
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| 94 | } |
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| 95 | |||
| 96 | res=SYS_CALL3(k_open,pathname,oflag,mode); |
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| 97 | |||
| 98 | if (ISERROR(res)) { |
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| 99 | __set_errno(-res); |
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| 100 | return -1; |
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| 101 | } |
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| 102 | return res; |
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| 103 | } |
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| 104 | |||
| 105 | /* --- */ |
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| 106 | |||
| 107 | |||
| 108 | /* --- */ |
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| 109 | |||
| 110 | /* |
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| 111 | extern __ssize_t k_read(int fd, __ptr_t buf, __ssize_t nbytes); |
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| 112 | |||
| 113 | __ssize_t read(int fd, __ptr_t buf, __ssize_t nbytes) |
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| 114 | { |
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| 115 | int res; |
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| 116 | |||
| 117 | res=SYS_CALL3(k_read,fd,buf,nbytes); |
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| 118 | |||
| 119 | if (ISERROR(res)) { |
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| 120 | __set_errno(-res); |
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| 121 | return -1; |
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| 122 | } |
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| 123 | return res; |
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| 124 | } |
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| 125 | |||
| 126 | extern __ssize_t k_write(int fd, __ptr_t buf, __ssize_t nbytes); |
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| 127 | |||
| 128 | __ssize_t write(int fd, __ptr_t buf, __ssize_t nbytes) |
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| 129 | { |
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| 130 | int res; |
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| 131 | |||
| 132 | res=SYS_CALL3(k_write,fd,buf,nbytes); |
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| 133 | |||
| 134 | if (ISERROR(res)) { |
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| 135 | __set_errno(-res); |
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| 136 | return -1; |
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| 137 | } |
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| 138 | return res; |
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| 139 | } |
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| 140 | */ |
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| 141 | |||
| 142 | /* --- */ |
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| 143 | |||
| 144 | |||
| 145 | /* --- */ |
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| 146 | |||
| 147 | extern int k_fstat(int fd, struct stat *buf); |
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| 148 | |||
| 149 | int __fxstat(int version, int fd, struct stat *buf) |
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| 150 | { |
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| 151 | int res; |
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| 152 | |||
| 153 | res=SYS_CALL2(k_fstat,fd,buf); |
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| 154 | |||
| 155 | if (ISERROR(res)) { |
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| 156 | __set_errno(-res); |
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| 157 | return -1; |
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| 158 | } |
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| 159 | return 0; |
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| 160 | } |
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| 161 | |||
| 162 | extern int k_stat(char *path, struct stat *buf); |
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| 163 | |||
| 164 | //#include <h/sys/kern.h> |
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| 165 | |||
| 166 | int __xstat(int version, char *path, struct stat *buf) |
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| 167 | { |
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| 168 | int res; |
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| 169 | |||
| 170 | res=SYS_CALL2(k_stat,path,buf); |
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| 171 | |||
| 172 | |||
| 173 | if (ISERROR(res)) { |
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| 174 | __set_errno(-res); |
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| 175 | return -1; |
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| 176 | } |
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| 177 | |||
| 178 | return 0; |
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| 179 | } |
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| 180 | |||
| 181 | /* for inlines */ |
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| 182 | |||
| 183 | int stat (char *__path,struct stat *__statbuf) |
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| 184 | { |
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| 185 | return __xstat (_STAT_VER, __path, __statbuf); |
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| 186 | } |
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| 187 | |||
| 188 | int fstat (int __fd, struct stat *__statbuf) |
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| 189 | { |
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| 190 | return __fxstat (_STAT_VER, __fd, __statbuf); |
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| 191 | } |
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| 192 | |||
| 193 | /* --- */ |
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| 194 | /* --- */ |
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| 195 | /* --- */ |
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| 196 | /* --- */ |
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| 197 | |||
| 198 | int k_ioctl(int fs, unsigned long int request, void *arg) |
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| 199 | { |
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| 200 | return -ENOSYS; |
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| 201 | } |
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| 202 | |||
| 203 | int ioctl(int fd, unsigned long int request, ...) |
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| 204 | { |
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| 205 | int res; |
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| 206 | void *arg=NULL; |
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| 207 | |||
| 208 | res=SYS_CALL3(k_ioctl,fd,request,arg); |
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| 209 | |||
| 210 | if (ISERROR(res)) { |
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| 211 | __set_errno(-res); |
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| 212 | return -1; |
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| 213 | } |
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| 214 | |||
| 215 | return 0; |
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| 216 | } |
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| 217 | |||
| 218 | /* --- */ |
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| 219 | |||
| 220 | extern int k_fdevice(char *device_name); |
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| 221 | |||
| 222 | __dev_t fdevice(char *device_name) |
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| 223 | { |
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| 224 | int res; |
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| 225 | |||
| 226 | res=SYS_CALL1(k_fdevice,device_name); |
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| 227 | |||
| 228 | if (ISERROR(res)) { |
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| 229 | __set_errno(-res); |
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| 230 | return -1; |
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| 231 | } |
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| 232 | |||
| 233 | return res; |
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| 234 | } |
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| 235 | |||
| 236 | /* --- */ |
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| 237 | |||
| 238 | extern int k_mount(__dev_t device, __uint8_t fsind, |
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| 239 | char *where, struct mount_opts *); |
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| 240 | |||
| 241 | int mount(__dev_t device, __uint8_t fsind, |
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| 242 | char *where, struct mount_opts *options) |
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| 243 | { |
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| 244 | int res; |
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| 245 | |||
| 246 | res=SYS_CALL4(k_mount,device,fsind,where,options); |
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| 247 | |||
| 248 | if (ISERROR(res)) { |
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| 249 | __set_errno(-res); |
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| 250 | return -1; |
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| 251 | } |
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| 252 | |||
| 253 | return 0; |
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| 254 | } |
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| 255 | |||
| 256 | extern int k_umount(__dev_t device); |
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| 257 | |||
| 258 | int umount(__dev_t device) |
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| 259 | { |
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| 260 | int res; |
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| 261 | |||
| 262 | res=SYS_CALL1(k_umount,device); |
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| 263 | |||
| 264 | if (ISERROR(res)) { |
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| 265 | __set_errno(-res); |
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| 266 | return -1; |
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| 267 | } |
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| 268 | |||
| 269 | return 0; |
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| 270 | } |
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| 271 | |||
| 272 | /* --- */ |
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| 273 | |||
| 274 | int isatty(int fd) |
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| 275 | { |
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| 276 | return 0; |
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| 277 | } |
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| 278 | |||
| 279 | /* --- */ |
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| 280 | |||
| 281 | extern int k_chdir(char *path); |
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| 282 | |||
| 283 | int chdir(char *path) |
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| 284 | { |
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| 285 | int res; |
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| 286 | |||
| 287 | res=SYS_CALL1(k_chdir,path); |
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| 288 | |||
| 289 | if (ISERROR(res)) { |
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| 290 | __set_errno(-res); |
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| 291 | return -1; |
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| 292 | } |
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| 293 | |||
| 294 | return 0; |
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| 295 | } |
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| 296 | |||
| 297 | extern int k_access(char *path,int amode); |
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| 298 | |||
| 299 | int access(char *path,int amode) |
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| 300 | { |
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| 301 | int res; |
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| 302 | |||
| 303 | res=SYS_CALL2(k_access,path,amode); |
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| 304 | |||
| 305 | if (ISERROR(res)) { |
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| 306 | __set_errno(-res); |
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| 307 | return -1; |
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| 308 | } |
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| 309 | |||
| 310 | return 0; |
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| 311 | } |
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| 312 | |||
| 313 | extern int k_utime(char *path,void *); |
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| 314 | |||
| 315 | int utime(char *path,void *ptr) |
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| 316 | { |
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| 317 | int res; |
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| 318 | |||
| 319 | res=SYS_CALL2(k_utime,path,ptr); |
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| 320 | |||
| 321 | if (ISERROR(res)) { |
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| 322 | __set_errno(-res); |
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| 323 | return -1; |
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| 324 | } |
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| 325 | |||
| 326 | return 0; |
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| 327 | } |
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| 328 | |||
| 329 | /* --- */ |
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| 330 | |||
| 331 | extern int k_fcntl(int fildes, int cmd, void *ptr); |
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| 332 | |||
| 333 | int fcntl(int fildes, int cmd, ...) |
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| 334 | { |
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| 335 | void *ptr; |
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| 336 | int mode; |
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| 337 | int res; |
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| 338 | |||
| 339 | ptr=NULL; |
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| 340 | if (cmd==F_SETFL||cmd==F_SETFD||cmd==F_DUPFD){ |
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| 341 | va_list arg; |
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| 342 | mode=0; |
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| 343 | va_start(arg, cmd); |
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| 344 | mode=va_arg(arg,int); |
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| 345 | va_end(arg); |
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| 346 | ptr=(void *)mode; |
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| 347 | } else if (cmd==F_GETLK||cmd==F_SETLK||cmd==F_SETLKW) { |
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| 348 | va_list arg; |
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| 349 | va_start(arg, cmd); |
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| 350 | ptr=va_arg(arg,void *); |
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| 351 | va_end(arg); |
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| 352 | } |
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| 353 | |||
| 354 | res=SYS_CALL3(k_fcntl,fildes,cmd,ptr); |
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| 355 | |||
| 356 | if (ISERROR(res)) { |
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| 357 | __set_errno(-res); |
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| 358 | return -1; |
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| 359 | } |
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| 360 | return res; |
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| 361 | } |
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| 362 | |||
| 363 | |||
| 364 | |||
| 365 | /* --- */ |
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| 366 |