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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 1987,1997, Prentice Hall |
2 | * Copyright (c) 1987,1997, Prentice Hall |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use of the MINIX operating system in source and |
5 | * Redistribution and use of the MINIX operating system in source and |
| 6 | * binary forms, with or without modification, are permitted provided |
6 | * binary forms, with or without modification, are permitted provided |
| 7 | * that the following conditions are met: |
7 | * that the following conditions are met: |
| 8 | 8 | ||
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | 11 | ||
| 12 | * - Redistributions in binary form must reproduce the above |
12 | * - Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following |
13 | * copyright notice, this list of conditions and the following |
| 14 | * disclaimer in the documentation and/or other materials provided |
14 | * disclaimer in the documentation and/or other materials provided |
| 15 | * with the distribution. |
15 | * with the distribution. |
| 16 | 16 | ||
| 17 | * - Neither the name of Prentice Hall nor the names of the software |
17 | * - Neither the name of Prentice Hall nor the names of the software |
| 18 | * authors or contributors may be used to endorse or promote |
18 | * authors or contributors may be used to endorse or promote |
| 19 | * products derived from this software without specific prior |
19 | * products derived from this software without specific prior |
| 20 | * written permission. |
20 | * written permission. |
| 21 | 21 | ||
| 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS, AUTHORS, AND |
22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS, AUTHORS, AND |
| 23 | * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, |
23 | * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| 24 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
24 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 25 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
25 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 26 | * IN NO EVENT SHALL PRENTICE HALL OR ANY AUTHORS OR CONTRIBUTORS BE |
26 | * IN NO EVENT SHALL PRENTICE HALL OR ANY AUTHORS OR CONTRIBUTORS BE |
| 27 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
27 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 28 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
28 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 29 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
29 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 30 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
30 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 31 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
31 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 32 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
32 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| 33 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
33 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 34 | */ |
34 | */ |
| 35 | 35 | ||
| - | 36 | /** @addtogroup FileSystemImpl |
|
| - | 37 | * @{ |
|
| - | 38 | */ |
|
| 36 | 39 | ||
| - | 40 | /** |
|
| - | 41 | * @file glo.c |
|
| 37 | /* Global variables declaring. */ |
42 | * @brief File System global variables. |
| - | 43 | */ |
|
| 38 | 44 | ||
| 39 | 45 | ||
| 40 | #include "fs.h" |
46 | #include "fs.h" |
| 41 | #include "file.h" |
47 | #include "file.h" |
| 42 | #include "fproc.h" |
48 | #include "fproc.h" |
| 43 | #include "inode.h" |
49 | #include "inode.h" |
| 44 | #include "../share/message.h" |
50 | #include "../share/message.h" |
| 45 | 51 | ||
| 46 | 52 | ||
| 47 | /* File System global variables. */ |
- | |
| 48 | fproc_t *fp; /* pointer to caller's fproc struct */ |
53 | fproc_t *fp; /**< pointer to caller's fproc struct */ |
| 49 | fproc_t fproc[NR_PROCS]; /* per process information table */ |
54 | fproc_t fproc[NR_PROCS]; /**< per process information table */ |
| 50 | filp_t filp[NR_FILPS]; /* filp table */ |
55 | filp_t filp[NR_FILPS]; /**< filp table */ |
| 51 | 56 | ||
| 52 | /* The parameters of the call are kept here. */ |
57 | /* The parameters of the call are kept here. */ |
| 53 | message_params_t message_params; /* parameters of the input message */ |
58 | message_params_t message_params; /**< parameters of the input message */ |
| 54 | int rd_phone; /* call number of RAMDISK driver task */ |
59 | int rd_phone; /**< call number of RAMDISK driver task */ |
| 55 | int con_phone; /* call number of CONSOLE service */ |
60 | int con_phone; /**< call number of CONSOLE service */ |
| 56 | char user_path[PATH_MAX]; /* storage for user path name */ |
61 | char user_path[PATH_MAX]; /**< storage for user path name */ |
| 57 | 62 | ||
| 58 | /* Data needed for communication with RAMDISK. */ |
63 | /* Data needed for communication with RAMDISK. */ |
| 59 | void *buffer; /* buffer for storing data retrieved from RAMDISK */ |
64 | void *buffer; /**< buffer for storing data retrieved from RAMDISK */ |
| 60 | 65 | ||
| 61 | /* The following variables are used for returning results to the caller. */ |
66 | /* The following variables are used for returning results to the caller. */ |
| 62 | int err_code; /* temporary storage for error number */ |
67 | int err_code; /**< temporary storage for error number */ |
| 63 | int status; /* status of last disk i/o request */ |
68 | int status; /**< status of last disk i/o request */ |
| 64 | 69 | ||
| - | 70 | ||
| - | 71 | /** |
|
| - | 72 | * } |
|
| - | 73 | */ |
|
| - | 74 | ||
| 65 | 75 | ||