1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup ClassicASRImpl |
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5 | * |
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6 | * @brief Classic ASR Implementation |
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7 | */ |
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8 | |
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9 | /* COPYRIGHT (c) 1989-2008. |
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10 | * On-Line Applications Research Corporation (OAR). |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.org/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #ifndef _RTEMS_RTEMS_ASRIMPL_H |
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18 | #define _RTEMS_RTEMS_ASRIMPL_H |
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19 | |
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20 | #include <rtems/rtems/asrdata.h> |
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21 | |
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22 | #include <string.h> |
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23 | |
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24 | #ifdef __cplusplus |
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25 | extern "C" { |
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26 | #endif |
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27 | |
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28 | /** |
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29 | * @defgroup ClassicASRImpl Classic ASR Implementation |
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30 | * |
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31 | * @ingroup ClassicASR |
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32 | * |
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33 | * @{ |
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34 | */ |
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35 | |
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36 | /** |
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37 | * @brief ASR_Initialize |
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38 | * |
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39 | * This routine initializes the given RTEMS_ASR information record. |
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40 | */ |
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41 | RTEMS_INLINE_ROUTINE void _ASR_Initialize ( |
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42 | ASR_Information *asr |
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43 | ) |
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44 | { |
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45 | memset(asr, 0, sizeof(*asr)); |
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46 | } |
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47 | |
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48 | /** |
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49 | * @brief ASR_Is_null_handler |
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50 | * |
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51 | * This function returns TRUE if the given asr_handler is NULL and |
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52 | * FALSE otherwise. |
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53 | */ |
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54 | RTEMS_INLINE_ROUTINE bool _ASR_Is_null_handler ( |
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55 | rtems_asr_entry asr_handler |
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56 | ) |
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57 | { |
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58 | return asr_handler == NULL; |
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59 | } |
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60 | |
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61 | RTEMS_INLINE_ROUTINE rtems_signal_set _ASR_Swap_signals( ASR_Information *asr ) |
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62 | { |
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63 | rtems_signal_set new_signals_posted; |
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64 | |
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65 | new_signals_posted = asr->signals_pending; |
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66 | asr->signals_pending = asr->signals_posted; |
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67 | asr->signals_posted = new_signals_posted; |
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68 | |
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69 | return new_signals_posted; |
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70 | } |
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71 | |
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72 | RTEMS_INLINE_ROUTINE void _ASR_Post_signals( |
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73 | rtems_signal_set signals, |
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74 | rtems_signal_set *signal_set |
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75 | ) |
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76 | { |
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77 | *signal_set |= signals; |
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78 | } |
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79 | |
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80 | RTEMS_INLINE_ROUTINE rtems_signal_set _ASR_Get_posted_signals( |
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81 | ASR_Information *asr |
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82 | ) |
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83 | { |
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84 | rtems_signal_set signal_set; |
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85 | |
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86 | signal_set = asr->signals_posted; |
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87 | asr->signals_posted = 0; |
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88 | |
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89 | return signal_set; |
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90 | } |
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91 | |
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92 | /**@}*/ |
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93 | |
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94 | #ifdef __cplusplus |
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95 | } |
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96 | #endif |
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97 | |
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98 | #endif |
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99 | /* end of include file */ |
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