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 | #if !defined(OPERATION_COUNT) |
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11 | #define OPERATION_COUNT 100 |
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12 | #endif |
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13 | |
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14 | #ifdef HAVE_CONFIG_H |
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15 | #include "config.h" |
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16 | #endif |
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17 | |
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18 | #include <tmacros.h> |
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19 | #include <timesys.h> |
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20 | #include "test_support.h" |
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21 | #include <pthread.h> |
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22 | #include <sched.h> |
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23 | #include <rtems/btimer.h> |
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24 | |
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25 | const char rtems_test_name[] = "PSXTMBARRIER 03"; |
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26 | |
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27 | /* forward declarations to avoid warnings */ |
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28 | void *POSIX_Init(void *argument); |
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29 | void *Blocker(void *argument); |
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30 | |
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31 | #define N 2 |
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32 | pthread_barrier_t barrier; |
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33 | |
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34 | void *Blocker( |
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35 | void *argument |
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36 | ) |
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37 | { |
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38 | (void) pthread_barrier_wait( &barrier ); |
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39 | rtems_test_assert( FALSE ); |
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40 | return NULL; |
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41 | } |
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42 | |
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43 | void *POSIX_Init( |
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44 | void *argument |
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45 | ) |
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46 | { |
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47 | int status; |
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48 | pthread_t threadId; |
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49 | benchmark_timer_t end_time; |
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50 | |
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51 | TEST_BEGIN(); |
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52 | |
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53 | status = pthread_create( &threadId, NULL, Blocker, NULL ); |
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54 | rtems_test_assert( status == 0 ); |
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55 | |
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56 | /* |
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57 | * Deliberately create the barrier after the threads. This way if the |
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58 | * threads do run before we intend, they will get an error. |
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59 | * The barrier will be released on the Nth thread blocking. |
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60 | */ |
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61 | status = pthread_barrier_init( &barrier, NULL, N ); |
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62 | rtems_test_assert( status == 0 ); |
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63 | |
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64 | /* |
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65 | * Let the other thread start so the thread startup overhead, |
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66 | * is accounted for. When we return, we can start the benchmark. |
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67 | */ |
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68 | sched_yield(); |
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69 | /* let other thread run */ |
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70 | |
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71 | /* |
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72 | * Because this is the Nth thread at the barrier, this is an |
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73 | * unblocking operation. |
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74 | */ |
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75 | benchmark_timer_initialize(); |
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76 | status = pthread_barrier_wait( &barrier ); |
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77 | end_time = benchmark_timer_read(); |
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78 | /* |
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79 | * Upon successful completion return value, the status should be |
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80 | * PTHREAD_BARRIER_SERIAL_THREAD. |
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81 | */ |
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82 | rtems_test_assert( status == PTHREAD_BARRIER_SERIAL_THREAD ); |
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83 | |
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84 | put_time( |
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85 | "pthread_barrier_wait: releasing no preempt", |
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86 | end_time, |
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87 | 1, |
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88 | 0, |
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89 | 0 |
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90 | ); |
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91 | |
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92 | TEST_END(); |
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93 | rtems_test_exit( 0 ); |
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94 | |
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95 | return NULL; |
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96 | } |
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97 | |
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98 | /* configuration information */ |
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99 | |
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100 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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101 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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102 | |
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103 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 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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