1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Inlined Routines from the POSIX Spinlock Manager |
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5 | * |
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6 | * This file contains the static inlin implementation of the inlined |
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7 | * routines from the POSIX Spinlock Manager. |
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8 | */ |
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9 | |
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10 | /* |
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11 | * COPYRIGHT (c) 1989-2011. |
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12 | * On-Line Applications Research Corporation (OAR). |
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13 | * |
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14 | * The license and distribution terms for this file may be |
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15 | * found in the file LICENSE in this distribution or at |
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16 | * http://www.rtems.org/license/LICENSE. |
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17 | */ |
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18 | |
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19 | #ifndef _RTEMS_POSIX_SPINLOCKIMPL_H |
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20 | #define _RTEMS_POSIX_SPINLOCKIMPL_H |
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21 | |
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22 | #include <rtems/posix/spinlock.h> |
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23 | #include <rtems/score/corespinlockimpl.h> |
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24 | #include <rtems/score/objectimpl.h> |
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25 | |
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26 | #include <pthread.h> |
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27 | |
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28 | #ifdef __cplusplus |
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29 | extern "C" { |
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30 | #endif |
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31 | |
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32 | /** |
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33 | * The following defines the information control block used to manage |
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34 | * this class of objects. |
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35 | */ |
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36 | |
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37 | extern Objects_Information _POSIX_Spinlock_Information; |
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38 | |
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39 | /** |
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40 | * @brief Translate core spinlock status code. |
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41 | * |
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42 | * This routine translates SuperCore Spinlock status codes into the |
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43 | * corresponding POSIX ones. |
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44 | * |
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45 | * @param[in] the_spinlock_status is the SuperCore status. |
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46 | * |
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47 | * @return the corresponding POSIX status |
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48 | */ |
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49 | int _POSIX_Spinlock_Translate_core_spinlock_return_code( |
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50 | CORE_spinlock_Status the_spinlock_status |
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51 | ); |
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52 | |
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53 | /** |
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54 | * @brief Allocate a spinlock control block. |
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55 | * |
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56 | * This function allocates a spinlock control block from |
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57 | * the inactive chain of free spinlock control blocks. |
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58 | */ |
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59 | RTEMS_INLINE_ROUTINE POSIX_Spinlock_Control *_POSIX_Spinlock_Allocate( void ) |
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60 | { |
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61 | return (POSIX_Spinlock_Control *) |
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62 | _Objects_Allocate( &_POSIX_Spinlock_Information ); |
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63 | } |
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64 | |
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65 | /** |
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66 | * @brief Free a spinlock control block. |
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67 | * |
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68 | * This routine frees a spinlock control block to the |
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69 | * inactive chain of free spinlock control blocks. |
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70 | */ |
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71 | RTEMS_INLINE_ROUTINE void _POSIX_Spinlock_Free ( |
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72 | POSIX_Spinlock_Control *the_spinlock |
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73 | ) |
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74 | { |
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75 | _Objects_Free( &_POSIX_Spinlock_Information, &the_spinlock->Object ); |
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76 | } |
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77 | |
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78 | RTEMS_INLINE_ROUTINE POSIX_Spinlock_Control *_POSIX_Spinlock_Get( |
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79 | pthread_spinlock_t *spinlock, |
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80 | ISR_lock_Context *lock_context |
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81 | ) |
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82 | { |
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83 | if ( spinlock == NULL ) { |
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84 | return NULL; |
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85 | } |
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86 | |
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87 | return (POSIX_Spinlock_Control *) _Objects_Get_local( |
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88 | &_POSIX_Spinlock_Information, |
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89 | *spinlock, |
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90 | lock_context |
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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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