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2435 | jelen | 1 | /* |
2 | * Copyright (c) 2007 Konopa-Jelen-Majer |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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2394 | konopa | 27 | */ |
28 | |||
2435 | jelen | 29 | /** @addtogroup FileSystemTask |
30 | * @{ |
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31 | */ |
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2394 | konopa | 32 | |
2435 | jelen | 33 | /** |
34 | * @file message.h |
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35 | * @brief Extended message structure, which is used for communicating between FS |
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36 | * and its consuments. |
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37 | */ |
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38 | |||
2394 | konopa | 39 | #ifndef _MESSAGE_H |
40 | #define _MESSAGE_H |
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41 | |||
2435 | jelen | 42 | /** |
43 | * Declaration of the extended message structure as it is in the call and buffer. |
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44 | */ |
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2394 | konopa | 45 | typedef struct { |
2435 | jelen | 46 | ipcarg_t id_task; /**< id of currently consument */ |
47 | ipcarg_t fd; /**< file descriptor */ |
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48 | ipcarg_t whence; /**< start position of SEEK */ |
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2394 | konopa | 49 | |
50 | /* Parameters which are present only in the buffer. */ |
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2435 | jelen | 51 | unsigned int nbytes; /**< number of bytes which will be read */ |
52 | offset_t offset; /**< offset of SEEK */ |
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53 | char fname[DIRSIZEX]; /**< file name */ |
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54 | int entry_number; /**< number of directory entry */ |
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2394 | konopa | 55 | } message_params_t; |
56 | |||
57 | #endif /* _MESSAGE_H */ |
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2435 | jelen | 58 | |
59 | /** |
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60 | *} |
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61 | */ |
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62 |