1 | /* |
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2 | * POSIX Message Queue Error Translation |
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3 | * |
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4 | * |
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5 | * COPYRIGHT (c) 1989-1999. |
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6 | * On-Line Applications Research Corporation (OAR). |
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7 | * |
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8 | * The license and distribution terms for this file may be |
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9 | * found in the file LICENSE in this distribution or at |
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10 | * http://www.OARcorp.com/rtems/license.html. |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | |
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15 | #include <pthread.h> |
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16 | #include <limits.h> |
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17 | #include <errno.h> |
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18 | #include <fcntl.h> |
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19 | #include <mqueue.h> |
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20 | |
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21 | #include <rtems/system.h> |
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22 | #include <rtems/score/watchdog.h> |
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23 | #include <rtems/posix/seterr.h> |
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24 | #include <rtems/posix/mqueue.h> |
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25 | #include <rtems/posix/time.h> |
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26 | |
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27 | |
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28 | /*PAGE |
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29 | * |
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30 | * _POSIX_Message_queue_Translate_core_message_queue_return_code |
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31 | * |
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32 | * Input parameters: |
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33 | * the_message_queue_status - message_queue status code to translate |
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34 | * |
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35 | * Output parameters: |
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36 | * rtems status code - translated POSIX status code |
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37 | * |
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38 | */ |
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39 | |
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40 | int _POSIX_Message_queue_Translate_core_message_queue_return_code( |
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41 | unsigned32 the_message_queue_status |
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42 | ) |
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43 | { |
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44 | switch ( the_message_queue_status ) { |
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45 | case CORE_MESSAGE_QUEUE_STATUS_SUCCESSFUL: |
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46 | return 0; |
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47 | |
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48 | /* |
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49 | * Bad message size |
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50 | */ |
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51 | case CORE_MESSAGE_QUEUE_STATUS_INVALID_SIZE: |
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52 | return EMSGSIZE; |
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53 | |
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54 | /* |
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55 | * Queue is full of pending messages. |
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56 | */ |
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57 | case CORE_MESSAGE_QUEUE_STATUS_TOO_MANY: |
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58 | return EAGAIN; |
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59 | |
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60 | /* |
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61 | * Out of message buffers to queue pending message |
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62 | */ |
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63 | case CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED: |
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64 | return ENOMEM; |
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65 | |
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66 | /* |
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67 | * No message available on receive poll |
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68 | */ |
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69 | case CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED_NOWAIT: |
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70 | return EAGAIN; |
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71 | |
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72 | /* |
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73 | * Queue was deleted while thread blocked on it. |
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74 | */ |
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75 | case CORE_MESSAGE_QUEUE_STATUS_WAS_DELETED: |
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76 | return EBADF; |
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77 | |
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78 | /* |
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79 | * POSIX Real-Time Extensions add timeouts to send and receive. |
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80 | */ |
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81 | case CORE_MESSAGE_QUEUE_STATUS_TIMEOUT: |
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82 | return ETIMEDOUT; |
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83 | |
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84 | /* |
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85 | * RTEMS POSIX API implementation does not support multiprocessing. |
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86 | */ |
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87 | case THREAD_STATUS_PROXY_BLOCKING: |
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88 | return ENOSYS; |
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89 | } |
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90 | _Internal_error_Occurred( |
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91 | INTERNAL_ERROR_POSIX_API, |
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92 | TRUE, |
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93 | the_message_queue_status |
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94 | ); |
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95 | return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ |
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96 | } |
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