1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief POSIX Timers Private Support |
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5 | * |
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6 | * This include file contains all the private support information for |
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7 | * POSIX timers. |
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8 | */ |
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9 | |
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10 | /* |
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11 | * Initial Implementation: |
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12 | * COPYRIGHT (c) 1998. Alfonso Escalera Piña |
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13 | * Largely rewritten by Joel Sherrill. |
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14 | * |
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15 | * The license and distribution terms for this file may be |
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16 | * found in the file LICENSE in this distribution or at |
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17 | * http://www.rtems.com/license/LICENSE. |
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18 | * |
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19 | * ptimer.h,v 1.0 1998/03/31 16:21:16 |
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20 | */ |
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21 | |
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22 | #ifndef _RTEMS_POSIX_PTIMER_H |
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23 | #define _RTEMS_POSIX_PTIMER_H |
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24 | |
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25 | /** |
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26 | * @defgroup POSIX_PRIV_TIMERS POSIX Timers |
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27 | * |
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28 | * @ingroup POSIXAPI |
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29 | * |
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30 | */ |
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31 | /**@{**/ |
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32 | #ifdef __cplusplus |
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33 | extern "C" { |
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34 | #endif |
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35 | |
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36 | #include <rtems/posix/config.h> |
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37 | |
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38 | /* |
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39 | * _POSIX_Timers_Manager_initialization |
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40 | * |
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41 | * DESCRIPTION: |
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42 | * |
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43 | * This routine performs the initialization necessary for this manager. |
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44 | */ |
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45 | |
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46 | void _POSIX_Timer_Manager_initialization(void); |
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47 | |
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48 | /* |
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49 | * @brief Create a Per-Process Timer |
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50 | * |
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51 | * 14.2.2 Create a Per-Process Timer, P1003.1b-1993, p. 264 |
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52 | * |
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53 | * timer_create |
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54 | */ |
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55 | |
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56 | int timer_create( |
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57 | clockid_t clock_id, |
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58 | struct sigevent *evp, |
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59 | timer_t *timerid |
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60 | ); |
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61 | |
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62 | /* |
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63 | * 14.2.3 Delete a Per_process Timer, P1003.1b-1993, p. 266 |
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64 | */ |
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65 | |
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66 | int timer_delete( |
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67 | timer_t timerid |
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68 | ); |
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69 | |
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70 | /* |
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71 | * 14.2.4 Per-Process Timers, P1003.1b-1993, p. 267 |
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72 | * |
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73 | * timer_settime |
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74 | */ |
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75 | |
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76 | int timer_settime( |
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77 | timer_t timerid, |
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78 | int flags, |
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79 | const struct itimerspec *value, |
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80 | struct itimerspec *ovalue |
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81 | ); |
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82 | |
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83 | /* |
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84 | * 14.2.4 Per-Process Timers, P1003.1b-1993, p. 267 |
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85 | * |
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86 | * timer_gettime |
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87 | */ |
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88 | |
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89 | int timer_gettime( |
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90 | timer_t timerid, |
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91 | struct itimerspec *value |
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92 | ); |
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93 | |
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94 | /** |
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95 | * @brief Get overrun count for a POSIX per-process timer. |
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96 | * |
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97 | * The expiration of a timer must increase by one a counter. |
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98 | * After the signal handler associated to the timer finishes |
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99 | * its execution, _POSIX_Timer_TSR will have to set this counter to 0. |
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100 | * |
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101 | * 14.2.4 Per-Process Timers, P1003.1b-1993, p. 267 |
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102 | */ |
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103 | int timer_getoverrun( |
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104 | timer_t timerid |
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105 | ); |
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106 | |
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107 | /** @} */ |
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108 | |
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109 | #endif |
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