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