1 | /* Init |
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2 | * |
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3 | * This routine is the initialization task for this test program. |
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4 | * It is a user initialization task and has the responsibility |
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5 | * of invoking the test routine |
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6 | * |
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7 | * Input parameters: |
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8 | * not_used |
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9 | * |
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10 | * Output parameters: NONE |
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11 | * |
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12 | * COPYRIGHT (c) 1989-1999. |
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13 | * On-Line Applications Research Corporation (OAR). |
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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 | |
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20 | #ifdef HAVE_CONFIG_H |
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21 | #include "config.h" |
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22 | #endif |
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23 | |
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24 | #include <bsp.h> |
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25 | #include <tmacros.h> |
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26 | #include <stdio.h> |
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27 | #include <sys/types.h> |
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28 | #include <sys/stat.h> |
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29 | #include <fcntl.h> |
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30 | #include <unistd.h> |
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31 | #include <errno.h> |
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32 | |
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33 | #include <rtems.h> |
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34 | #include <rtems/libio.h> |
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35 | |
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36 | #define SEND_RCV_BUFSIZ 12 |
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37 | rtems_id Barrier; |
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38 | |
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39 | rtems_task read_task(rtems_task_argument not_used) |
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40 | { |
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41 | int fd = 0; |
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42 | int status = -1; |
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43 | |
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44 | char recvBuf_r1[SEND_RCV_BUFSIZ] = {0}; |
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45 | char recvBuf_r2[SEND_RCV_BUFSIZ] = {0}; |
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46 | |
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47 | puts("\nRead task activated, waiting till writer opens"); |
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48 | |
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49 | status = rtems_barrier_wait( Barrier, RTEMS_NO_TIMEOUT ); |
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50 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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51 | |
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52 | sleep(1); |
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53 | |
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54 | puts("\nNow, reader opening file(1)"); |
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55 | fd = open("/tmp/fifo01", O_RDONLY); |
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56 | if(fd <= 0) { |
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57 | printf("Error opening file: (%d) :: %s", errno, strerror(errno)); |
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58 | rtems_test_assert(0); |
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59 | } |
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60 | |
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61 | status = read(fd, recvBuf_r1, sizeof(recvBuf_r1)-1); |
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62 | rtems_test_assert(status == sizeof(recvBuf_r1)-1); |
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63 | |
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64 | printf("\n@ receiver (being a unblocked reader): Got %s", recvBuf_r1); |
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65 | |
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66 | status = close(fd); |
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67 | rtems_test_assert(status == 0); |
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68 | |
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69 | status = rtems_barrier_wait( Barrier, RTEMS_NO_TIMEOUT ); |
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70 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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71 | |
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72 | puts("\nReader opening file(2)"); |
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73 | fd = open("/tmp/fifo01", O_RDONLY); |
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74 | if(fd <= 0) { |
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75 | printf("Error opening file: (%d) :: %s", errno, strerror(errno)); |
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76 | rtems_test_assert(0); |
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77 | } |
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78 | |
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79 | status = read(fd, recvBuf_r2, sizeof(recvBuf_r2)-1); |
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80 | rtems_test_assert(status == sizeof(recvBuf_r2)-1); |
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81 | |
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82 | printf("\n@ receiver (being a blocked reader): Got %s", recvBuf_r2); |
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83 | |
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84 | status = close(fd); |
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85 | rtems_test_assert(status == 0); |
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86 | |
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87 | |
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88 | puts("\nReader done!"); |
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89 | status = rtems_barrier_wait( Barrier, RTEMS_NO_TIMEOUT ); |
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90 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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91 | rtems_task_delete( RTEMS_SELF ); |
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92 | } |
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93 | |
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94 | |
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95 | void test_main(void) //Also acts as the write task |
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96 | { |
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97 | |
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98 | rtems_id readTaskID; |
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99 | |
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100 | rtems_name readTaskName; |
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101 | |
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102 | char sendBuf_r1[SEND_RCV_BUFSIZ] = {0}; |
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103 | char sendBuf_r2[SEND_RCV_BUFSIZ] = {0}; |
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104 | int status = -1; |
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105 | int fd = 0; |
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106 | |
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107 | |
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108 | strcpy( sendBuf_r1, "SendBuffer1" ); |
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109 | strcpy( sendBuf_r2, "SendBuffer2" ); |
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110 | |
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111 | memset( &Barrier, 0, sizeof(Barrier) ); |
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112 | status = rtems_barrier_create ( |
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113 | rtems_build_name ( 'B', 'A', 'R', 't' ), |
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114 | RTEMS_BARRIER_AUTOMATIC_RELEASE, |
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115 | 2, |
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116 | &Barrier |
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117 | ); |
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118 | |
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119 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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120 | |
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121 | puts("\n\n*** FIFO / PIPE OPEN TEST - 6 ***"); |
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122 | |
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123 | puts("\nCreating a task name and a task"); |
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124 | readTaskName = rtems_build_name('T','A','r',' '); |
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125 | |
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126 | status = rtems_task_create( |
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127 | readTaskName, |
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128 | 1, |
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129 | RTEMS_MINIMUM_STACK_SIZE * 2, |
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130 | RTEMS_INTERRUPT_LEVEL(31), |
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131 | RTEMS_DEFAULT_ATTRIBUTES, |
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132 | &readTaskID |
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133 | ); |
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134 | |
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135 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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136 | |
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137 | puts("\ncreating directory /tmp"); |
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138 | status = mkdir("/tmp", 0777); |
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139 | rtems_test_assert(status == 0); |
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140 | |
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141 | puts("\ncreating fifo file /tmp/fifo01"); |
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142 | status = mkfifo("/tmp/fifo01", 0777); |
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143 | rtems_test_assert(status == 0); |
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144 | |
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145 | puts("\nStarting the read task"); |
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146 | status = rtems_task_start(readTaskID, read_task, 0); |
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147 | rtems_test_assert(status == 0); |
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148 | |
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149 | status = rtems_barrier_wait( Barrier, RTEMS_NO_TIMEOUT ); |
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150 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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151 | |
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152 | puts("\nWriter opening file(1)"); |
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153 | fd = open("/tmp/fifo01", O_WRONLY); |
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154 | if(fd <= 0) { |
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155 | printf("Error opening file: (%d) :: %s", errno, strerror(errno)); |
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156 | rtems_test_assert(0); |
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157 | } |
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158 | |
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159 | |
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160 | printf("\n@ sender: %s", sendBuf_r1); |
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161 | status = write(fd, sendBuf_r1, sizeof(sendBuf_r1)-1); |
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162 | rtems_test_assert(status == sizeof(sendBuf_r1)-1); |
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163 | |
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164 | status = close(fd); |
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165 | rtems_test_assert(status == 0); |
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166 | |
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167 | status = rtems_barrier_wait( Barrier, RTEMS_NO_TIMEOUT ); |
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168 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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169 | |
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170 | sleep(1); |
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171 | |
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172 | // Reader would have blocked by now |
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173 | puts("\nWriter opening file(2)"); |
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174 | fd = open("/tmp/fifo01", O_WRONLY); |
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175 | if(fd <= 0) { |
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176 | printf("Error opening file: (%d) :: %s", errno, strerror(errno)); |
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177 | rtems_test_assert(0); |
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178 | } |
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179 | |
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180 | printf("\n@ sender: %s", sendBuf_r2); |
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181 | status = write(fd, sendBuf_r2, sizeof(sendBuf_r2)-1); |
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182 | rtems_test_assert(status == sizeof(sendBuf_r2)-1); |
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183 | |
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184 | status = close(fd); |
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185 | rtems_test_assert(status == 0); |
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186 | |
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187 | status = rtems_barrier_wait( Barrier, RTEMS_NO_TIMEOUT ); |
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188 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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189 | |
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190 | puts( "Removing the fifo" ); |
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191 | status = unlink("/tmp/fifo01"); |
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192 | rtems_test_assert(status == 0); |
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193 | |
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194 | puts( "Removing /tmp" ); |
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195 | status = rmdir("/tmp"); |
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196 | rtems_test_assert(status == 0); |
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197 | |
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198 | puts("\n*** END OF FIFO / PIPE OPEN TEST - 6 ***"); |
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199 | } |
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200 | |
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201 | rtems_task Init( |
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202 | rtems_task_argument not_used |
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203 | ) |
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204 | { |
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205 | test_main(); |
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206 | rtems_test_exit(0); |
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207 | } |
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208 | |
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209 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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210 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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211 | |
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212 | #define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM |
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213 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 6 |
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214 | |
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215 | #define CONFIGURE_MAXIMUM_TASKS 3 |
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216 | |
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217 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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218 | |
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219 | #define CONFIGURE_MAXIMUM_BARRIERS 1 |
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220 | |
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221 | #define CONFIGURE_INIT |
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222 | #define CONFIGURE_FIFOS_ENABLED |
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223 | #define CONFIGURE_MAXIMUM_FIFOS 1 |
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224 | |
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225 | |
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226 | #define CONFIGURE_INIT |
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227 | #include <rtems/confdefs.h> |
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228 | |
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229 | /* end of file */ |
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