1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief POSIX Thread API Support |
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5 | * |
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6 | * This defines the POSIX thread API extension. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * COPYRIGHT (c) 1989-2014. |
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11 | * On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.org/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #ifndef _RTEMS_POSIX_THREADSUP_H |
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19 | #define _RTEMS_POSIX_THREADSUP_H |
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20 | |
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21 | #include <rtems/score/thread.h> |
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22 | #include <rtems/score/watchdog.h> |
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23 | |
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24 | #include <pthread.h> |
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25 | #include <signal.h> |
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26 | |
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27 | /** |
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28 | * @defgroup POSIX_THREAD POSIX Thread API Extension |
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29 | * |
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30 | * @ingroup POSIXAPI |
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31 | * |
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32 | */ |
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33 | /**@{**/ |
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34 | #ifdef __cplusplus |
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35 | extern "C" { |
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36 | #endif |
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37 | |
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38 | #if defined(RTEMS_POSIX_API) |
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39 | /** |
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40 | * This defines the POSIX API support structure associated with |
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41 | * each thread in a system with POSIX configured. |
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42 | */ |
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43 | typedef struct { |
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44 | /** |
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45 | * @brief Control block for the sporadic server scheduling policy. |
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46 | */ |
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47 | struct { |
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48 | /** The thread of this sporadic control block */ |
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49 | Thread_Control *thread; |
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50 | |
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51 | /** |
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52 | * @brief This is the timer which controls when the thread executes at high |
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53 | * and low priority when using the sporadic server scheduling policy. |
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54 | */ |
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55 | Watchdog_Control Timer; |
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56 | |
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57 | /** |
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58 | * @brief The low priority when using the sporadic server scheduling |
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59 | * policy. |
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60 | */ |
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61 | Priority_Node Low_priority; |
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62 | |
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63 | /** |
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64 | * @brief Replenishment period for sporadic server. |
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65 | */ |
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66 | struct timespec sched_ss_repl_period; |
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67 | |
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68 | /** |
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69 | * @brief Initial budget for sporadic server. |
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70 | */ |
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71 | struct timespec sched_ss_init_budget; |
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72 | |
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73 | /** |
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74 | * @brief Maximum pending replenishments. |
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75 | * |
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76 | * Only used by pthread_getschedparam() and pthread_getattr_np(). |
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77 | */ |
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78 | int sched_ss_max_repl; |
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79 | } Sporadic; |
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80 | |
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81 | /** This is the set of signals which are currently unblocked. */ |
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82 | sigset_t signals_unblocked; |
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83 | /** This is the set of signals which are currently pending. */ |
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84 | sigset_t signals_pending; |
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85 | |
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86 | /** |
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87 | * @brief Signal post-switch action in case signals are pending. |
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88 | */ |
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89 | Thread_Action Signal_action; |
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90 | } POSIX_API_Control; |
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91 | #endif |
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92 | |
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93 | /** @} */ |
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94 | |
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95 | #ifdef __cplusplus |
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96 | } |
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97 | #endif |
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98 | |
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99 | #endif |
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100 | /* end of include file */ |
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