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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 | ||
- | 36 | /** @addtogroup FileSystemImpl |
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- | 37 | * @{ |
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- | 38 | */ |
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35 | 39 | ||
- | 40 | /** |
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36 | /* This is the filp table. It is an intermediary between file descriptors and |
41 | * @file file.h |
37 | * inodes. A slot is free if filp_count == 0. |
42 | * @brief Filp table definition |
38 | */ |
43 | */ |
39 | #ifndef _FILE_H |
44 | #ifndef _FILE_H |
40 | #define _FILE_H |
45 | #define _FILE_H |
41 | 46 | ||
- | 47 | /** |
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- | 48 | * This is the filp table. It is an intermediary between file descriptors and |
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- | 49 | * inodes. A slot is free if filp_count == 0. |
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- | 50 | */ |
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42 | typedef struct { |
51 | typedef struct { |
43 | mode_t filp_mode; /* RW bits, telling how file is opened */ |
52 | mode_t filp_mode; /**< RW bits, telling how file is opened */ |
44 | int filp_flags; /* flags from open and fcntl */ |
53 | int filp_flags; /**< flags from open and fcntl */ |
45 | int filp_count; /* how many file descriptors share this slot?*/ |
54 | int filp_count; /**< how many file descriptors share this slot?*/ |
46 | inode_t *filp_ino; /* pointer to the inode */ |
55 | inode_t *filp_ino; /**< pointer to the inode */ |
47 | offset_t filp_pos; /* file position */ |
56 | offset_t filp_pos; /**< file position */ |
48 | } filp_t; |
57 | } filp_t; |
49 | 58 | ||
50 | extern filp_t filp[NR_FILPS]; |
59 | extern filp_t filp[NR_FILPS]; |
51 | 60 | ||
52 | #define FILP_CLOSED 0 /* filp_mode: associated device closed */ |
61 | #define FILP_CLOSED 0 /**< filp_mode: associated device closed */ |
53 | #define NIL_FILP (filp_t *) 0 /* indicates absence of a filp slot */ |
62 | #define NIL_FILP (filp_t *) 0 /**< indicates absence of a filp slot */ |
54 | 63 | ||
55 | #endif /* _FILE_H */ |
64 | #endif /* _FILE_H */ |
56 | 65 | ||
- | 66 | /** |
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- | 67 | * } |
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- | 68 | */ |
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57 | 69 |