4.115
Last change
on this file since 3c96bee was
ff1becb,
checked in by Joel Sherrill <joel.sherrill@…>, on 01/10/13 at 19:22:57
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rfs: Doxygen group cannot have a dash in it
Change rtems-rfs to rtems_rfs
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Property mode set to
100644
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File size:
1.4 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief RTEMS File System Mutex |
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5 | * @ingroup rtems_rfs |
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6 | */ |
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7 | /* |
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8 | * COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.com/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #if HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include <rtems/rfs/rtems-rfs-mutex.h> |
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20 | |
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21 | #if __rtems__ |
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22 | /** |
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23 | * RTEMS_RFS Mutex Attributes |
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24 | */ |
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25 | #define RTEMS_RFS_MUTEX_ATTRIBS \ |
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26 | (RTEMS_PRIORITY | RTEMS_BINARY_SEMAPHORE | \ |
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27 | RTEMS_INHERIT_PRIORITY | RTEMS_NO_PRIORITY_CEILING | RTEMS_LOCAL) |
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28 | #endif |
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29 | |
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30 | int |
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31 | rtems_rfs_mutex_create (rtems_rfs_mutex* mutex) |
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32 | { |
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33 | #if __rtems__ |
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34 | rtems_status_code sc; |
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35 | sc = rtems_semaphore_create (rtems_build_name ('R', 'F', 'S', 'm'), |
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36 | 1, RTEMS_RFS_MUTEX_ATTRIBS, 0, |
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37 | mutex); |
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38 | if (sc != RTEMS_SUCCESSFUL) |
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39 | { |
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40 | if (rtems_rfs_trace (RTEMS_RFS_TRACE_MUTEX)) |
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41 | printf ("rtems-rfs: mutex: open failed: %s\n", |
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42 | rtems_status_text (sc)); |
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43 | return EIO; |
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44 | } |
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45 | #endif |
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46 | return 0; |
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47 | } |
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48 | |
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49 | int |
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50 | rtems_rfs_mutex_destroy (rtems_rfs_mutex* mutex) |
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51 | { |
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52 | #if __rtems__ |
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53 | rtems_status_code sc; |
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54 | sc = rtems_semaphore_delete (*mutex); |
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55 | if (sc != RTEMS_SUCCESSFUL) |
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56 | { |
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57 | if (rtems_rfs_trace (RTEMS_RFS_TRACE_MUTEX)) |
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58 | printf ("rtems-rfs: mutex: close failed: %s\n", |
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59 | rtems_status_text (sc)); |
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60 | return EIO; |
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61 | } |
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62 | #endif |
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63 | return 0; |
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64 | } |
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