1 | /* |
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2 | * COPYRIGHT (c) 1989-2013. |
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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/timerdrv.h> |
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21 | |
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22 | #define N 5 |
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23 | |
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24 | const char rtems_test_name[] = "PSXTMCOND 06"; |
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25 | |
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26 | /* forward declarations to avoid warnings */ |
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27 | void *POSIX_Init(void *argument); |
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28 | void *Blocker(void *argument); |
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29 | |
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30 | pthread_mutex_t MutexID; |
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31 | pthread_cond_t CondID; |
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32 | |
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33 | void *Blocker( |
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34 | void *argument |
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35 | ) |
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36 | { |
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37 | int status; |
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38 | |
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39 | status = pthread_mutex_lock(&MutexID); |
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40 | rtems_test_assert( status == 0 ); |
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41 | |
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42 | /* Unlock mutex, block, wait for CondID to be signaled */ |
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43 | pthread_cond_wait(&CondID,&MutexID); |
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44 | |
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45 | /* should never return */ |
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46 | rtems_test_assert( FALSE ); |
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47 | |
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48 | return NULL; |
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49 | } |
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50 | |
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51 | void *POSIX_Init( |
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52 | void *argument |
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53 | ) |
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54 | { |
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55 | uint32_t end_time; |
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56 | int status; |
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57 | int i; |
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58 | pthread_t threadId; |
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59 | pthread_attr_t attr; |
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60 | struct sched_param param; |
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61 | int policy; |
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62 | |
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63 | TEST_BEGIN(); |
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64 | |
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65 | /* Setup variables */ |
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66 | status = pthread_create( &threadId, NULL, Blocker, NULL ); |
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67 | rtems_test_assert( status == 0 ); |
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68 | status = pthread_mutex_init(&MutexID, NULL); |
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69 | rtems_test_assert( status == 0 ); |
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70 | status = pthread_cond_init(&CondID, NULL); |
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71 | rtems_test_assert( status == 0 ); |
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72 | |
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73 | /* Setup so threads are created with a high enough priority to preempt |
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74 | * as they get created. |
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75 | */ |
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76 | status = pthread_attr_init( &attr ); |
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77 | rtems_test_assert( status == 0 ); |
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78 | status = pthread_attr_setinheritsched( &attr, PTHREAD_EXPLICIT_SCHED ); |
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79 | rtems_test_assert( status == 0 ); |
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80 | status = pthread_attr_setschedpolicy( &attr, SCHED_FIFO ); |
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81 | rtems_test_assert( status == 0 ); |
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82 | param.sched_priority = sched_get_priority_max(SCHED_FIFO) / 2; |
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83 | status = pthread_attr_setschedparam( &attr, ¶m ); |
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84 | rtems_test_assert( status == 0 ); |
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85 | |
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86 | for ( i=0 ; i < N ; i++) { |
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87 | /* Threads will preempt as they are created, start up, and block */ |
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88 | status = pthread_create(&threadId, &attr, Blocker, NULL); |
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89 | rtems_test_assert( status == 0 ); |
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90 | } |
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91 | |
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92 | /* Now that all the threads have been created, adjust our priority |
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93 | * so we don't get preempted on broadcast. |
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94 | */ |
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95 | status = pthread_getschedparam(pthread_self(), &policy, ¶m); |
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96 | rtems_test_assert( status == 0 ); |
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97 | param.sched_priority = sched_get_priority_max(policy) - 1; |
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98 | status = pthread_setschedparam(pthread_self(), policy, ¶m); |
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99 | rtems_test_assert( status == 0 ); |
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100 | |
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101 | benchmark_timer_initialize(); |
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102 | status = pthread_cond_broadcast(&CondID); |
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103 | end_time = benchmark_timer_read(); |
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104 | rtems_test_assert( status == 0 ); |
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105 | |
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106 | put_time( |
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107 | "pthread_cond_broadcast: threads waiting no preempt", |
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108 | end_time, |
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109 | 1, |
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110 | 0, |
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111 | 0 |
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112 | ); |
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113 | |
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114 | TEST_END(); |
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115 | rtems_test_exit( 0 ); |
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116 | |
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117 | return NULL; |
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118 | } |
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119 | |
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120 | /* configuration information */ |
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121 | |
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122 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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123 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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124 | |
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125 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 2 + N |
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126 | #define CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES 2 |
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127 | #define CONFIGURE_MAXIMUM_POSIX_MUTEXES 2 |
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128 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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129 | |
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130 | #define CONFIGURE_INIT |
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131 | |
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132 | #include <rtems/confdefs.h> |
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133 | /* end of file */ |
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