[9cdd944] | 1 | /* |
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[3c8eda7] | 2 | * COPYRIGHT (c) 1989-2012. |
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[9cdd944] | 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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[c499856] | 7 | * http://www.rtems.org/license/LICENSE. |
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[9cdd944] | 8 | */ |
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| 9 | |
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[7d3f9c6] | 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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[9cdd944] | 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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[787f51f] | 19 | #include <sys/ioctl.h> |
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[9cdd944] | 20 | #include <fcntl.h> |
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| 21 | #include <unistd.h> |
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| 22 | #include <errno.h> |
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| 23 | #include <limits.h> |
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| 24 | |
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| 25 | #include <rtems.h> |
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| 26 | #include <rtems/libio.h> |
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| 27 | |
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[6c0301d] | 28 | const char rtems_test_name[] = "SPFIFO 5"; |
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| 29 | |
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[3c8eda7] | 30 | /* forward declarations to avoid warnings */ |
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| 31 | rtems_task Init(rtems_task_argument argument); |
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| 32 | rtems_task read_task(rtems_task_argument not_used); |
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| 33 | |
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[9cdd944] | 34 | #define SEND_RCV_BUFSIZ (PIPE_BUF+20) |
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| 35 | |
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| 36 | rtems_id rBarrier; |
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| 37 | rtems_id wBarrier; |
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| 38 | |
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| 39 | char recvBuf[SEND_RCV_BUFSIZ] = {0}; |
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| 40 | char sendBuf[SEND_RCV_BUFSIZ] = {0}; |
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| 41 | |
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[3c8eda7] | 42 | rtems_task read_task(rtems_task_argument not_used) |
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[9cdd944] | 43 | { |
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| 44 | int fd = 0; |
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| 45 | int status = -1; |
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| 46 | uint32_t released = 0; |
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| 47 | |
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| 48 | puts( "read_task - opening /fifo in non-blocking mode" ); |
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| 49 | |
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| 50 | fd = open( "/fifo", O_RDONLY | O_NONBLOCK ); |
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| 51 | if( fd <= 0 ) { |
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| 52 | printf( "Error opening file: (%d) :: %s\n", errno, strerror( errno ) ); |
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| 53 | rtems_test_assert( 0 ); |
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| 54 | } |
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| 55 | |
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| 56 | puts( "read_task - attempt to read with number of writers = 0" ); |
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| 57 | status = read( fd, recvBuf, SEND_RCV_BUFSIZ ); |
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| 58 | rtems_test_assert( status == 0 ); |
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| 59 | |
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| 60 | puts( "read_task - releasing the write task" ); |
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| 61 | status = rtems_barrier_release( wBarrier, &released ); |
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| 62 | rtems_test_assert( status == 0 ); |
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| 63 | |
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| 64 | puts( "read_task - waiting at a barrier" ); |
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| 65 | status = rtems_barrier_wait( rBarrier, RTEMS_NO_TIMEOUT ); |
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| 66 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 67 | |
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| 68 | puts( "read_task - attempting to read from the fifo -- Expect EAGAIN" ); |
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| 69 | status = read( fd, recvBuf, SEND_RCV_BUFSIZ ); |
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| 70 | rtems_test_assert( status == -1 ); |
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| 71 | rtems_test_assert( errno == EAGAIN ); |
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| 72 | |
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| 73 | puts( "read_task - closing /fifo" ); |
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| 74 | status = close( fd ); |
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| 75 | rtems_test_assert( status == 0 ); |
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| 76 | |
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| 77 | puts("read_task - opening /fifo in read-only mode"); |
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| 78 | fd = open( "/fifo", O_RDONLY ); |
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| 79 | if( fd <= 0 ) { |
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| 80 | printf( "Error opening file: (%d) :: %s\n", errno, strerror( errno ) ); |
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| 81 | rtems_test_assert( 0 ); |
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| 82 | } |
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| 83 | |
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| 84 | puts( "read_task - releasing the write task" ); |
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| 85 | status = rtems_barrier_release( wBarrier, &released ); |
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| 86 | rtems_test_assert( status == 0 ); |
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| 87 | |
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| 88 | puts( "read_task - reading from /fifo - OK" ); |
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| 89 | status = read( fd, recvBuf, 10 ); |
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| 90 | rtems_test_assert( status == 10 ); |
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| 91 | |
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| 92 | puts( "read_task - reading from /fifo - OK" ); |
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| 93 | status = read( fd, recvBuf+10, 10 ); |
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| 94 | rtems_test_assert( status == 10 ); |
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| 95 | |
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| 96 | puts( "read_task - waiting at a barrier" ); |
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| 97 | status = rtems_barrier_wait( rBarrier, RTEMS_NO_TIMEOUT ); |
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| 98 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 99 | |
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| 100 | puts( "read_task - reading from /fifo - OK" ); |
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| 101 | status = read( fd, recvBuf+20, SEND_RCV_BUFSIZ - 20 ); |
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| 102 | rtems_test_assert( status == SEND_RCV_BUFSIZ - 20 ); |
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| 103 | |
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| 104 | if( strcmp( sendBuf, recvBuf ) ) { |
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| 105 | puts( "Sent, received buffer do not match" ); |
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| 106 | rtems_test_assert( 0 ); |
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| 107 | } |
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| 108 | |
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| 109 | puts( "read_task - releasing the write task" ); |
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| 110 | status = rtems_barrier_release( wBarrier, &released ); |
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| 111 | rtems_test_assert( status == 0 ); |
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| 112 | |
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| 113 | puts( "read_task - waiting at a barrier" ); |
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| 114 | status = rtems_barrier_wait( rBarrier, RTEMS_NO_TIMEOUT ); |
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| 115 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 116 | |
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| 117 | status = close( fd ); |
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| 118 | rtems_test_assert( status == 0 ); |
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| 119 | |
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| 120 | puts( "read_task - releasing the write task" ); |
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| 121 | status = rtems_barrier_release( wBarrier, &released ); |
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| 122 | rtems_test_assert( status == 0 ); |
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| 123 | |
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[51b3cbca] | 124 | rtems_task_exit(); |
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[9cdd944] | 125 | } |
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| 126 | |
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| 127 | rtems_task Init( |
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| 128 | rtems_task_argument not_used |
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| 129 | ) |
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| 130 | { |
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| 131 | rtems_id readTaskID; |
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| 132 | |
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| 133 | rtems_name readTaskName; |
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| 134 | |
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| 135 | int status = -1; |
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| 136 | int fd = 0; |
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| 137 | uint32_t released = 0; |
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| 138 | int flag = 1; |
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| 139 | |
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[6c0301d] | 140 | TEST_BEGIN(); |
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[9cdd944] | 141 | |
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| 142 | memset( sendBuf, '1', SEND_RCV_BUFSIZ - 30 ); |
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| 143 | memset( sendBuf, '2', 29 ); |
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| 144 | sendBuf[SEND_RCV_BUFSIZ-1] = 0; |
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| 145 | |
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| 146 | memset( &rBarrier, 0, sizeof(rBarrier) ); |
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| 147 | status = rtems_barrier_create ( |
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| 148 | rtems_build_name ( 'B', 'A', 'R', 'r' ), |
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| 149 | RTEMS_BARRIER_MANUAL_RELEASE, |
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| 150 | 2, |
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| 151 | &rBarrier |
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| 152 | ); |
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| 153 | |
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| 154 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 155 | |
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| 156 | memset( &wBarrier, 0, sizeof( wBarrier ) ); |
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| 157 | status = rtems_barrier_create ( |
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| 158 | rtems_build_name ( 'B', 'A', 'R', 'w' ), |
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| 159 | RTEMS_BARRIER_MANUAL_RELEASE, |
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| 160 | 2, |
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| 161 | &wBarrier |
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| 162 | ); |
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| 163 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 164 | |
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| 165 | readTaskName = rtems_build_name( 'T','A','r',' ' ); |
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| 166 | status = rtems_task_create( |
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| 167 | readTaskName, |
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| 168 | 1, |
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| 169 | RTEMS_MINIMUM_STACK_SIZE * 2, |
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[feddcde0] | 170 | RTEMS_DEFAULT_MODES, |
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[9cdd944] | 171 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 172 | &readTaskID |
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| 173 | ); |
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| 174 | |
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| 175 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 176 | |
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| 177 | puts( "Init - Creating fifo file /fifo" ); |
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| 178 | status = mkfifo( "/fifo", 0777 ); |
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| 179 | rtems_test_assert( status == 0 ); |
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| 180 | |
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| 181 | puts( "Init - starting the read task" ); |
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| 182 | status = rtems_task_start( readTaskID, read_task, 0 ); |
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| 183 | rtems_test_assert( status == 0 ); |
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| 184 | |
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| 185 | puts( "Init - waiting at a barrier" ); |
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| 186 | status = rtems_barrier_wait( wBarrier, RTEMS_NO_TIMEOUT ); |
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| 187 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 188 | |
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| 189 | puts("Init - opening the fifo in write only mode -- OK"); |
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| 190 | fd = open("/fifo", O_WRONLY); |
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| 191 | if(fd <= 0) { |
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| 192 | printf("Error opening file: (%d) :: %s\n", errno, strerror(errno)); |
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| 193 | rtems_test_assert(0); |
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| 194 | } |
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| 195 | |
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| 196 | puts( "Init - writing to /fifo" ); |
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| 197 | status = write(fd, sendBuf, 0 ); |
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| 198 | rtems_test_assert( status == 0 ); |
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| 199 | |
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| 200 | puts( "Init - releasing the read_task" ); |
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| 201 | status = rtems_barrier_release( rBarrier, &released ); |
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| 202 | rtems_test_assert( status == 0 ); |
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| 203 | |
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| 204 | puts( "Init - waiting at a barrier" ); |
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| 205 | status = rtems_barrier_wait( wBarrier, RTEMS_NO_TIMEOUT ); |
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| 206 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 207 | |
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| 208 | puts( "Init - writing to /fifo - OK" ); |
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| 209 | status = write(fd, sendBuf, SEND_RCV_BUFSIZ - 30 ); |
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| 210 | rtems_test_assert( status == SEND_RCV_BUFSIZ - 30 ); |
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| 211 | |
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| 212 | puts( "Init - writing to /fifo - OK" ); |
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| 213 | status = write(fd, sendBuf+SEND_RCV_BUFSIZ - 30, 30 ); |
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| 214 | rtems_test_assert( status == 30 ); |
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| 215 | |
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| 216 | puts( "Init - releasing the read_task" ); |
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| 217 | status = rtems_barrier_release( rBarrier, &released ); |
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| 218 | rtems_test_assert( status == 0 ); |
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| 219 | |
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| 220 | puts( "Init - waiting at a barrier" ); |
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| 221 | status = rtems_barrier_wait( wBarrier, RTEMS_NO_TIMEOUT ); |
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| 222 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 223 | |
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| 224 | puts( "Init - converting the write-mode to non-block" ); |
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| 225 | status = ioctl( fd, FIONBIO, &flag ); |
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| 226 | rtems_test_assert( status == 0 ); |
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| 227 | |
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| 228 | puts( "Init - writing to /fifo - OK" ); |
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| 229 | status = write(fd, sendBuf, SEND_RCV_BUFSIZ - 30 ); |
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| 230 | rtems_test_assert( status == SEND_RCV_BUFSIZ - 30 ); |
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| 231 | |
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| 232 | puts( "Init - writing to /fifo - Expect EAGAIN" ); |
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| 233 | status = write(fd, sendBuf, SEND_RCV_BUFSIZ - 30 ); |
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| 234 | rtems_test_assert( status == -1 ); |
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| 235 | rtems_test_assert( errno == EAGAIN ); |
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| 236 | |
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| 237 | puts( "Init - releasing the read_task" ); |
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| 238 | status = rtems_barrier_release( rBarrier, &released ); |
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| 239 | rtems_test_assert( status == 0 ); |
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| 240 | |
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| 241 | puts( "Init - waiting at a barrier" ); |
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| 242 | status = rtems_barrier_wait( wBarrier, RTEMS_NO_TIMEOUT ); |
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| 243 | rtems_test_assert( status == RTEMS_SUCCESSFUL ); |
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| 244 | |
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| 245 | puts( "Init - writing to /fifo - Expect EPIPE" ); |
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| 246 | status = write(fd, sendBuf, SEND_RCV_BUFSIZ - 30 ); |
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| 247 | rtems_test_assert( status == -1 ); |
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| 248 | rtems_test_assert( errno == EPIPE ); |
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| 249 | |
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| 250 | status = close( fd ); |
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| 251 | rtems_test_assert( status == 0 ); |
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| 252 | |
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| 253 | puts( "Removing the fifo" ); |
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| 254 | status = unlink("/fifo"); |
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| 255 | rtems_test_assert(status == 0); |
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| 256 | |
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[6c0301d] | 257 | TEST_END(); |
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[9cdd944] | 258 | rtems_test_exit(0); |
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| 259 | } |
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| 260 | |
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[c4b8b147] | 261 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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[ef99f23a] | 262 | #define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER |
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[9cdd944] | 263 | |
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| 264 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 6 |
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| 265 | |
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| 266 | #define CONFIGURE_MAXIMUM_TASKS 3 |
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| 267 | |
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[6c0301d] | 268 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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| 269 | |
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[9cdd944] | 270 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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| 271 | |
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| 272 | #define CONFIGURE_MAXIMUM_BARRIERS 2 |
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| 273 | |
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| 274 | #define CONFIGURE_MAXIMUM_FIFOS 1 |
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| 275 | |
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[6bc63df1] | 276 | #define CONFIGURE_DISABLE_SMP_CONFIGURATION |
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[9cdd944] | 277 | |
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| 278 | #define CONFIGURE_INIT |
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| 279 | #include <rtems/confdefs.h> |
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| 280 | |
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| 281 | /* end of file */ |
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