1 | /** |
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2 | * @file rtems/gxx_wrappers.h |
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3 | * |
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4 | * RTEMS threads compatibility routines for libgcc2. |
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5 | */ |
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6 | |
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7 | /* |
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8 | * by: Rosimildo da Silva (rdasilva@connecttel.com) |
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9 | * |
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10 | * Used ideas from: |
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11 | * W. Eric Norum |
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12 | * Canadian Light Source |
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13 | * University of Saskatchewan |
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14 | * Saskatoon, Saskatchewan, CANADA |
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15 | * eric@cls.usask.ca |
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16 | * |
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17 | * Eric sent some e-mail in the rtems-list as a start point for this |
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18 | * module implementation. |
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19 | */ |
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20 | |
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21 | #ifndef __GCC_WRAPPERS_h |
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22 | #define __GCC_WRAPPERS_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 /* __cplusplus */ |
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27 | |
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28 | /* |
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29 | * These typedefs should match with the ones defined in the file |
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30 | * gcc/gthr-rtems.h in the gcc distribution. |
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31 | * FIXME: T.S, 2007/01/31: -> gcc/gthr-rtems.h still declares |
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32 | * void * __gthread_key_t; |
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33 | */ |
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34 | typedef struct __gthread_key_ { |
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35 | void *val; /* this is switched with the task */ |
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36 | void (*dtor)(void*); /* this remains in place for all tasks */ |
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37 | } __gthread_key, *__gthread_key_t; |
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38 | |
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39 | typedef int __gthread_once_t; |
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40 | typedef void *__gthread_mutex_t; |
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41 | typedef void *__gthread_recursive_mutex_t; |
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42 | |
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43 | int rtems_gxx_once(__gthread_once_t *once, void (*func) (void)); |
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44 | |
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45 | int rtems_gxx_key_create (__gthread_key_t *key, void (*dtor) (void *)); |
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46 | |
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47 | int rtems_gxx_key_dtor (__gthread_key_t key, void *ptr); |
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48 | |
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49 | int rtems_gxx_key_delete (__gthread_key_t key); |
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50 | |
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51 | void *rtems_gxx_getspecific(__gthread_key_t key); |
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52 | |
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53 | int rtems_gxx_setspecific(__gthread_key_t key, const void *ptr); |
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54 | |
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55 | /* |
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56 | * MUTEX support |
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57 | */ |
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58 | void rtems_gxx_mutex_init (__gthread_mutex_t *mutex); |
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59 | |
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60 | int rtems_gxx_mutex_lock (__gthread_mutex_t *mutex); |
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61 | |
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62 | int rtems_gxx_mutex_destroy (__gthread_mutex_t *mutex); |
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63 | |
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64 | int rtems_gxx_mutex_trylock (__gthread_mutex_t *mutex); |
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65 | |
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66 | int rtems_gxx_mutex_unlock (__gthread_mutex_t *mutex); |
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67 | |
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68 | void rtems_gxx_recursive_mutex_init(__gthread_recursive_mutex_t *mutex); |
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69 | |
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70 | int rtems_gxx_recursive_mutex_lock(__gthread_recursive_mutex_t *mutex); |
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71 | |
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72 | int rtems_gxx_recursive_mutex_trylock(__gthread_recursive_mutex_t *mutex); |
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73 | |
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74 | int rtems_gxx_recursive_mutex_unlock(__gthread_recursive_mutex_t *mutex); |
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75 | |
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76 | #ifdef __cplusplus |
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77 | } |
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78 | #endif /* __cplusplus */ |
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79 | |
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80 | #endif /* __GCC_WRAPPERS_h */ |
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