1 | /* |
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2 | * COPYRIGHT (c) 1989-2012. |
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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 <stdio.h> |
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15 | #include <signal.h> |
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16 | #include <semaphore.h> |
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17 | #include <pthread.h> |
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18 | |
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19 | #include <rtems.h> |
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20 | #include <tmacros.h> |
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21 | #include "test_support.h" |
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22 | |
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23 | const char rtems_test_name[] = "PSXEINTR_JOIN"; |
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24 | |
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25 | #define SIG_SUSPEND SIGUSR1 |
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26 | #define SIG_THR_RESTART SIGUSR2 |
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27 | |
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28 | /* forward declarations to avoid warnings */ |
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29 | void *POSIX_Init(void *argument); |
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30 | static void print_sig_mask(const char * str); |
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31 | void GC_suspend_handler(int sig); |
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32 | void GC_restart_handler(int sig); |
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33 | void *run(void *arg); |
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34 | |
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35 | sem_t GC_suspend_ack_sem; |
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36 | |
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37 | static void print_sig_mask( const char * str ) |
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38 | { |
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39 | sigset_t blocked; |
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40 | int i; |
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41 | int status; |
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42 | |
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43 | status = pthread_sigmask( SIG_BLOCK, NULL, &blocked ); |
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44 | rtems_test_assert( status == 0 ); |
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45 | |
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46 | printf( "%s blocked:\n", str ); |
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47 | for ( i = 1; i < NSIG; i++) { |
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48 | if ( sigismember( &blocked, i ) ) |
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49 | printf( "%d ", i ); |
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50 | } |
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51 | printf( "\n" ); |
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52 | } |
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53 | |
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54 | void GC_suspend_handler( int sig ) |
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55 | { |
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56 | puts( "run in GC_suspend_handler" ); |
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57 | sem_post( &GC_suspend_ack_sem ); |
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58 | } |
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59 | |
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60 | void GC_restart_handler( int sig ) |
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61 | { |
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62 | puts( "run in GC_restart_handler" ); |
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63 | } |
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64 | |
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65 | void *run( void *arg ) |
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66 | { |
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67 | int status; |
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68 | pthread_t id = *(pthread_t *)arg; |
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69 | |
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70 | print_sig_mask( "New Thread" ); |
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71 | |
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72 | status = pthread_kill( id, SIG_SUSPEND ); |
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73 | rtems_test_assert( status == 0 ); |
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74 | |
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75 | puts( "New Thread: after pthread_kill" ); |
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76 | status = sem_wait( &GC_suspend_ack_sem ); |
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77 | rtems_test_assert( status == 0 ); |
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78 | |
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79 | puts( "New Thread over!" ); |
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80 | return NULL; |
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81 | } |
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82 | |
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83 | void *POSIX_Init( void *arg ) |
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84 | { |
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85 | struct sigaction act; |
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86 | pthread_t newThread; |
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87 | pthread_t mainThread; |
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88 | int status; |
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89 | |
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90 | TEST_BEGIN(); |
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91 | status = sem_init( &GC_suspend_ack_sem, 0, 0); |
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92 | rtems_test_assert( status == 0 ); |
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93 | |
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94 | status = sigemptyset( &act.sa_mask ); |
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95 | rtems_test_assert( status == 0 ); |
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96 | |
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97 | status = sigaddset( &act.sa_mask, SIG_SUSPEND ); |
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98 | rtems_test_assert( status == 0 ); |
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99 | |
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100 | status = pthread_sigmask( SIG_UNBLOCK, &act.sa_mask, NULL ); |
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101 | rtems_test_assert( status == 0 ); |
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102 | |
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103 | act.sa_handler = GC_suspend_handler; |
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104 | |
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105 | status = sigaction( SIG_SUSPEND, &act, NULL ); |
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106 | rtems_test_assert( status == 0 ); |
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107 | |
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108 | act.sa_handler = GC_restart_handler; |
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109 | |
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110 | print_sig_mask( "Main Thread" ); |
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111 | |
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112 | mainThread = pthread_self(); |
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113 | status = pthread_create( &newThread, NULL, run, &mainThread ); |
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114 | rtems_test_assert( status == 0 ); |
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115 | |
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116 | pthread_join( newThread, NULL ); |
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117 | puts( "Back from pthread_join" ); |
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118 | |
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119 | TEST_END(); |
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120 | rtems_test_exit( 0 ); |
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121 | |
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122 | return NULL; |
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123 | } |
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124 | |
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125 | /* configuration information */ |
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126 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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127 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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128 | |
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129 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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130 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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131 | |
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132 | #define CONFIGURE_MAXIMUM_POSIX_THREADS 2 |
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133 | #define CONFIGURE_MAXIMUM_POSIX_SEMAPHORES 1 |
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134 | |
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135 | #define CONFIGURE_INIT |
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136 | #include <rtems/confdefs.h> |
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137 | /* end of file */ |
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138 | |
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