1 | /* |
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2 | * COPYRIGHT (c) 1989-2014. |
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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 <tmacros.h> |
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15 | #include "test_support.h" |
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16 | |
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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 | #include <rtems/libcsupport.h> |
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23 | |
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24 | const char rtems_test_name[] = "SPFIFO 2"; |
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25 | |
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26 | /* forward declarations to avoid warnings */ |
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27 | rtems_task Init(rtems_task_argument argument); |
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28 | void create_all_barriers(void); |
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29 | void delete_barrier(void); |
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30 | void create_fifo(void); |
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31 | void open_fifo(int expected, int flags); |
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32 | |
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33 | #define MAXIMUM 10 |
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34 | #define NUM_OPEN_REQ 26 |
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35 | |
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36 | rtems_id Barriers[MAXIMUM]; |
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37 | int BarrierCount; |
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38 | |
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39 | rtems_id Semaphores[MAXIMUM]; |
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40 | int SemaphoreCount; |
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41 | |
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42 | void create_all_barriers(void) |
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43 | { |
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44 | rtems_status_code status; |
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45 | int i; |
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46 | |
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47 | BarrierCount = 0; |
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48 | |
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49 | memset( Barriers, 0, sizeof(Barriers) ); |
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50 | for ( i=0 ; i<MAXIMUM ; i++ ) { |
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51 | status = rtems_barrier_create( |
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52 | rtems_build_name( 'B', 'A', 'R', 0x30+i ), |
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53 | RTEMS_BARRIER_MANUAL_RELEASE, |
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54 | 0, |
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55 | &Barriers[i] |
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56 | ); |
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57 | if ( status == RTEMS_TOO_MANY ) { |
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58 | printf( "%d Barriers created\n", BarrierCount+1 ); |
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59 | return; |
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60 | } |
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61 | |
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62 | directive_failed( status, "barrier create" ); |
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63 | BarrierCount++; |
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64 | } |
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65 | } |
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66 | |
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67 | void delete_barrier(void) |
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68 | { |
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69 | rtems_status_code status; |
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70 | |
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71 | BarrierCount--; |
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72 | printf( "Deleting barrier id=0x%08x\n", |
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73 | (unsigned int)Barriers[BarrierCount] ); |
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74 | status = rtems_barrier_delete( Barriers[BarrierCount] ); |
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75 | directive_failed( status, "barrier delete" ); |
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76 | } |
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77 | |
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78 | void create_fifo(void) |
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79 | { |
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80 | int status; |
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81 | |
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82 | status = mkfifo("/fifo01", 0777); |
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83 | rtems_test_assert(status == 0); |
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84 | } |
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85 | |
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86 | void open_fifo(int expected, int flags) |
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87 | { |
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88 | int fd; |
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89 | |
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90 | fd = open("/fifo01", flags); |
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91 | printf( "expect status=%d errno=%d/(%s)\n", fd, errno, strerror(errno) ); |
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92 | if ( expected ) { |
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93 | rtems_test_assert(fd == -1); |
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94 | rtems_test_assert(errno == expected); |
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95 | } else { |
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96 | rtems_test_assert(fd != -1); |
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97 | close( fd ); |
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98 | } |
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99 | } |
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100 | |
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101 | rtems_task Init( |
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102 | rtems_task_argument argument |
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103 | ) |
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104 | { |
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105 | void *alloc_ptr = (void *)0; |
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106 | int num_opens = 0; |
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107 | int index = 0; |
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108 | |
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109 | TEST_BEGIN(); |
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110 | |
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111 | puts( "Creating all barriers" ); |
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112 | create_all_barriers(); |
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113 | |
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114 | puts( "Creating FIFO" ); |
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115 | create_fifo(); |
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116 | |
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117 | alloc_ptr = malloc( malloc_free_space() - 4 ); |
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118 | puts("Opening FIFO.. expect ENOMEM since no memory is available"); |
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119 | open_fifo(ENOMEM, O_RDWR); |
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120 | |
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121 | free(alloc_ptr); |
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122 | puts( "Opening FIFO.. expect ENOMEM (barrier-1 for pipe could not be created)" ); |
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123 | open_fifo(ENOMEM, O_RDWR); |
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124 | |
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125 | delete_barrier(); |
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126 | puts( "Opening FIFO.. expect ENOMEM (barrier-2 for pipe could not be created" ); |
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127 | open_fifo(ENOMEM, O_RDWR); |
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128 | |
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129 | delete_barrier(); |
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130 | puts( "Opening FIFO in RDWR mode. Expect OK" ); |
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131 | open_fifo(0, O_RDWR); |
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132 | ++num_opens; |
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133 | |
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134 | puts( "Opening FIFO in non blocking RDONLY mode. Expect OK"); |
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135 | open_fifo(0, O_RDONLY | O_NONBLOCK); |
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136 | ++num_opens; |
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137 | |
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138 | puts( "Opening FIFO in non blocking WRONLY mode. Expect ENXIO"); |
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139 | open_fifo(ENXIO, O_WRONLY | O_NONBLOCK); |
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140 | ++num_opens; |
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141 | |
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142 | puts("\nMultiple opens\n"); |
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143 | index = 0; |
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144 | do { |
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145 | |
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146 | printf("%d... ", index+1); |
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147 | open_fifo(0, O_RDONLY | O_NONBLOCK); |
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148 | ++index; |
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149 | } while ( index < NUM_OPEN_REQ - num_opens ); |
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150 | |
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151 | TEST_END(); |
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152 | |
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153 | rtems_test_exit(0); |
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154 | } |
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155 | |
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156 | /* configuration information */ |
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157 | |
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158 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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159 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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160 | |
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161 | #define CONFIGURE_MAXIMUM_TASKS 1 |
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162 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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163 | |
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164 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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165 | |
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166 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 5 |
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167 | #define CONFIGURE_MAXIMUM_FIFOS 1 |
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168 | |
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169 | #define CONFIGURE_INIT |
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170 | |
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171 | #include <rtems/confdefs.h> |
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172 | /* end of file */ |
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