1 | /* |
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2 | * COPYRIGHT (c) 2013. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.org/license/LICENSE. |
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8 | */ |
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9 | |
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10 | #ifdef HAVE_CONFIG_H |
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11 | #include "config.h" |
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12 | #endif |
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13 | |
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14 | #include <coverhd.h> |
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15 | #include <tmacros.h> |
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16 | #include <timesys.h> |
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17 | #include "test_support.h" |
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18 | #include <pthread.h> |
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19 | #include <sched.h> |
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20 | #include <rtems/btimer.h> |
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21 | |
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22 | const char rtems_test_name[] = "PSXTMCOND 04"; |
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23 | |
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24 | /* forward declarations to avoid warnings */ |
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25 | void *POSIX_Init(void *argument); |
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26 | void *Blocker(void *argument); |
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27 | |
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28 | pthread_mutex_t MutexID; |
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29 | pthread_cond_t CondID; |
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30 | |
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31 | void *Blocker( |
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32 | void *argument |
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33 | ) |
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34 | { |
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35 | |
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36 | uint32_t end_time; |
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37 | struct sched_param param; |
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38 | int policy; |
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39 | int status; |
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40 | |
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41 | status = pthread_mutex_lock(&MutexID); |
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42 | rtems_test_assert( status == 0 ); |
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43 | status = pthread_getschedparam(pthread_self(), &policy, ¶m); |
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44 | rtems_test_assert( status == 0 ); |
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45 | param.sched_priority = sched_get_priority_max(policy) - 1; |
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46 | status = pthread_setschedparam(pthread_self(), policy, ¶m); |
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47 | /* Thread blocks, unlocks mutex, waits for CondID to be signaled */ |
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48 | pthread_cond_wait(&CondID,&MutexID); |
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49 | |
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50 | /* Once signaled, this thread preempts POSIX_Init thread */ |
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51 | end_time = benchmark_timer_read(); |
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52 | put_time( |
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53 | "pthread_cond_signal: thread waiting preempt", |
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54 | end_time, |
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55 | 1, |
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56 | 0, |
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57 | 0 |
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58 | ); |
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59 | TEST_END(); |
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60 | rtems_test_exit( 0 ); |
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61 | return NULL; |
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62 | } |
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63 | |
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64 | void *POSIX_Init( |
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65 | void *argument |
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66 | ) |
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67 | { |
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68 | int status; |
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69 | pthread_t threadId; |
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70 | |
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71 | TEST_BEGIN(); |
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72 | |
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73 | status = pthread_create( &threadId, NULL, Blocker, NULL ); |
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74 | rtems_test_assert( status == 0 ); |
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75 | |
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76 | status = pthread_mutex_init(&MutexID, NULL); |
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77 | rtems_test_assert( status == 0 ); |
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78 | |
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79 | status = pthread_cond_init(&CondID, NULL); /* Create condition variable */ |
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80 | rtems_test_assert( status == 0 ); |
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81 | |
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82 | /* |
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83 | * Let the other thread start so the thread startup overhead, |
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84 | * is accounted for. When we return, we can start the benchmark. |
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85 | */ |
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86 | sched_yield(); |
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87 | /* let other thread run */ |
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88 | |
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89 | /* Other thread is blocked and waiting on condition to be signaled */ |
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90 | benchmark_timer_initialize(); |
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91 | status = pthread_cond_signal(&CondID); |
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92 | rtems_test_assert ( status == 0 ); |
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93 | return NULL; |
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94 | } |
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95 | |
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96 | /* configuration information */ |
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97 | |
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98 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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99 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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100 | |
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101 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 2 |
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102 | #define CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES 2 |
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103 | #define CONFIGURE_MAXIMUM_POSIX_MUTEXES 2 |
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104 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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105 | |
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106 | #define CONFIGURE_INIT |
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107 | |
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108 | #include <rtems/confdefs.h> |
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109 | /* end of file */ |
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