1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Header File for Status Checks |
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5 | * |
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6 | * @warning Do not include this file in other header files. Use it only in |
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7 | * source files. |
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8 | */ |
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9 | |
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10 | /* |
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11 | * Copyright (c) 2008 |
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12 | * Embedded Brains GmbH |
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13 | * Obere Lagerstr. 30 |
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14 | * D-82178 Puchheim |
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15 | * Germany |
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16 | * rtems@embedded-brains.de |
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17 | * |
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18 | * The license and distribution terms for this file may be |
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19 | * found in the file LICENSE in this distribution or at |
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20 | * http://www.rtems.org/license/LICENSE. |
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21 | */ |
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22 | |
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23 | #ifndef RTEMS_STATUS_CHECKS_H |
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24 | #define RTEMS_STATUS_CHECKS_H |
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25 | |
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26 | #ifdef __cplusplus |
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27 | extern "C" { |
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28 | #endif /* __cplusplus */ |
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29 | |
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30 | /** |
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31 | * @defgroup rtems_status_checks Status Checks |
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32 | */ |
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33 | /**@{**/ |
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34 | |
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35 | /** |
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36 | * @name Print Macros |
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37 | */ |
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38 | /**@{**/ |
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39 | |
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40 | /** |
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41 | * @brief General purpose debug print macro. |
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42 | */ |
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43 | #ifdef DEBUG |
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44 | #ifndef RTEMS_DEBUG_PRINT |
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45 | #ifdef RTEMS_STATUS_CHECKS_USE_PRINTK |
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46 | #define RTEMS_DEBUG_PRINT( fmt, ...) \ |
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47 | printk( "%s: " fmt, __func__, ##__VA_ARGS__) |
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48 | #else /* RTEMS_STATUS_CHECKS_USE_PRINTK */ |
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49 | #include <stdio.h> |
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50 | #define RTEMS_DEBUG_PRINT( fmt, ...) \ |
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51 | printf( "%s: " fmt, __func__, ##__VA_ARGS__) |
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52 | #endif /* RTEMS_STATUS_CHECKS_USE_PRINTK */ |
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53 | #endif /* RTEMS_DEBUG_PRINT */ |
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54 | #else /* DEBUG */ |
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55 | #ifdef RTEMS_DEBUG_PRINT |
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56 | #warning RTEMS_DEBUG_PRINT was defined, but DEBUG was undefined |
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57 | #undef RTEMS_DEBUG_PRINT |
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58 | #endif /* RTEMS_DEBUG_PRINT */ |
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59 | #define RTEMS_DEBUG_PRINT( fmt, ...) |
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60 | #endif /* DEBUG */ |
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61 | |
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62 | /** |
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63 | * @brief Macro to print debug messages for successful operations. |
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64 | */ |
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65 | #define RTEMS_DEBUG_OK( msg) \ |
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66 | RTEMS_DEBUG_PRINT( "Ok: %s\n", msg) |
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67 | |
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68 | /** |
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69 | * @brief General purpose system log print macro. |
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70 | */ |
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71 | #ifndef RTEMS_SYSLOG_PRINT |
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72 | #ifdef RTEMS_STATUS_CHECKS_USE_PRINTK |
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73 | #define RTEMS_SYSLOG_PRINT( fmt, ...) \ |
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74 | printk( fmt, ##__VA_ARGS__) |
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75 | #else /* RTEMS_STATUS_CHECKS_USE_PRINTK */ |
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76 | #include <stdio.h> |
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77 | #define RTEMS_SYSLOG_PRINT( fmt, ...) \ |
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78 | printf( fmt, ##__VA_ARGS__) |
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79 | #endif /* RTEMS_STATUS_CHECKS_USE_PRINTK */ |
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80 | #endif /* RTEMS_SYSLOG_PRINT */ |
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81 | |
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82 | /** |
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83 | * @brief General purpose system log macro. |
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84 | */ |
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85 | #define RTEMS_SYSLOG( fmt, ...) \ |
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86 | RTEMS_SYSLOG_PRINT( "%s: " fmt, __func__, ##__VA_ARGS__) |
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87 | |
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88 | /** |
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89 | * @brief General purpose system log macro for warnings. |
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90 | */ |
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91 | #define RTEMS_SYSLOG_WARNING( fmt, ...) \ |
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92 | RTEMS_SYSLOG( "Warning: " fmt, ##__VA_ARGS__) |
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93 | |
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94 | /** |
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95 | * @brief Macro to generate a system log warning message if the status code @a |
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96 | * sc is not equal to @ref RTEMS_SUCCESSFUL. |
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97 | */ |
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98 | #define RTEMS_SYSLOG_WARNING_SC( sc, msg) \ |
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99 | if ((rtems_status_code) (sc) != RTEMS_SUCCESSFUL) { \ |
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100 | RTEMS_SYSLOG_WARNING( "SC = %i: %s\n", (int) sc, msg); \ |
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101 | } |
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102 | |
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103 | /** |
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104 | * @brief General purpose system log macro for errors. |
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105 | */ |
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106 | #define RTEMS_SYSLOG_ERROR( fmt, ...) \ |
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107 | RTEMS_SYSLOG( "Error: " fmt, ##__VA_ARGS__) |
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108 | |
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109 | /** |
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110 | * @brief Macro for system log error messages with status code. |
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111 | */ |
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112 | #define RTEMS_SYSLOG_ERROR_WITH_SC( sc, msg) \ |
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113 | RTEMS_SYSLOG_ERROR( "SC = %i: %s\n", (int) sc, msg); |
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114 | |
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115 | /** |
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116 | * @brief Macro for system log error messages with return value. |
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117 | */ |
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118 | #define RTEMS_SYSLOG_ERROR_WITH_RV( rv, msg) \ |
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119 | RTEMS_SYSLOG_ERROR( "RV = %i: %s\n", (int) rv, msg); |
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120 | |
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121 | /** |
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122 | * @brief Macro to generate a system log error message if the status code @a |
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123 | * sc is not equal to @ref RTEMS_SUCCESSFUL. |
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124 | */ |
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125 | #define RTEMS_SYSLOG_ERROR_SC( sc, msg) \ |
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126 | if ((rtems_status_code) (sc) != RTEMS_SUCCESSFUL) { \ |
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127 | RTEMS_SYSLOG_ERROR_WITH_SC( sc, msg); \ |
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128 | } |
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129 | |
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130 | /** |
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131 | * @brief Macro to generate a system log error message if the return value @a |
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132 | * rv is less than zero. |
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133 | */ |
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134 | #define RTEMS_SYSLOG_ERROR_RV( rv, msg) \ |
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135 | if ((int) (rv) < 0) { \ |
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136 | RTEMS_SYSLOG_ERROR_WITH_RV( rv, msg); \ |
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137 | } |
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138 | |
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139 | /** @} */ |
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140 | |
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141 | /** |
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142 | * @name Check Macros |
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143 | */ |
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144 | /**@{**/ |
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145 | |
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146 | /** |
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147 | * @brief Prints message @a msg and returns with status code @a sc if the status |
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148 | * code @a sc is not equal to @ref RTEMS_SUCCESSFUL. |
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149 | */ |
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150 | #define RTEMS_CHECK_SC( sc, msg) \ |
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151 | if ((rtems_status_code) (sc) != RTEMS_SUCCESSFUL) { \ |
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152 | RTEMS_SYSLOG_ERROR_WITH_SC( sc, msg); \ |
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153 | return (rtems_status_code) sc; \ |
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154 | } else { \ |
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155 | RTEMS_DEBUG_OK( msg); \ |
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156 | } |
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157 | |
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158 | /** |
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159 | * @brief Prints message @a msg and returns with a return value of negative @a sc |
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160 | * if the status code @a sc is not equal to @ref RTEMS_SUCCESSFUL. |
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161 | */ |
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162 | #define RTEMS_CHECK_SC_RV( sc, msg) \ |
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163 | if ((rtems_status_code) (sc) != RTEMS_SUCCESSFUL) { \ |
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164 | RTEMS_SYSLOG_ERROR_WITH_SC( sc, msg); \ |
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165 | return -((int) (sc)); \ |
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166 | } else { \ |
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167 | RTEMS_DEBUG_OK( msg); \ |
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168 | } |
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169 | |
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170 | /** |
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171 | * @brief Prints message @a msg and returns if the status code @a sc is not equal |
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172 | * to @ref RTEMS_SUCCESSFUL. |
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173 | */ |
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174 | #define RTEMS_CHECK_SC_VOID( sc, msg) \ |
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175 | if ((rtems_status_code) (sc) != RTEMS_SUCCESSFUL) { \ |
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176 | RTEMS_SYSLOG_ERROR_WITH_SC( sc, msg); \ |
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177 | return; \ |
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178 | } else { \ |
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179 | RTEMS_DEBUG_OK( msg); \ |
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180 | } |
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181 | |
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182 | /** |
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183 | * @brief Prints message @a msg and delete the current task if the status code |
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184 | * @a sc is not equal to @ref RTEMS_SUCCESSFUL. |
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185 | */ |
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186 | #define RTEMS_CHECK_SC_TASK( sc, msg) \ |
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187 | if ((rtems_status_code) (sc) != RTEMS_SUCCESSFUL) { \ |
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188 | RTEMS_SYSLOG_ERROR_WITH_SC( sc, msg); \ |
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189 | (void) rtems_task_delete( RTEMS_SELF); \ |
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190 | return; \ |
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191 | } else { \ |
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192 | RTEMS_DEBUG_OK( msg); \ |
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193 | } |
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194 | |
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195 | /** |
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196 | * @brief Prints message @a msg and returns with a return value @a rv if the |
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197 | * return value @a rv is less than zero. |
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198 | */ |
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199 | #define RTEMS_CHECK_RV( rv, msg) \ |
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200 | if ((int) (rv) < 0) { \ |
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201 | RTEMS_SYSLOG_ERROR_WITH_RV( rv, msg); \ |
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202 | return (int) rv; \ |
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203 | } else { \ |
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204 | RTEMS_DEBUG_OK( msg); \ |
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205 | } |
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206 | |
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207 | /** |
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208 | * @brief Prints message @a msg and returns with status code @ref RTEMS_IO_ERROR |
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209 | * if the return value @a rv is less than zero. |
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210 | */ |
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211 | #define RTEMS_CHECK_RV_SC( rv, msg) \ |
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212 | if ((int) (rv) < 0) { \ |
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213 | RTEMS_SYSLOG_ERROR_WITH_RV( rv, msg); \ |
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214 | return RTEMS_IO_ERROR; \ |
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215 | } else { \ |
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216 | RTEMS_DEBUG_OK( msg); \ |
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217 | } |
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218 | |
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219 | /** |
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220 | * @brief Prints message @a msg and returns if the return value @a rv is less |
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221 | * than zero. |
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222 | */ |
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223 | #define RTEMS_CHECK_RV_VOID( rv, msg) \ |
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224 | if ((int) (rv) < 0) { \ |
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225 | RTEMS_SYSLOG_ERROR_WITH_RV( rv, msg); \ |
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226 | return; \ |
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227 | } else { \ |
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228 | RTEMS_DEBUG_OK( msg); \ |
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229 | } |
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230 | |
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231 | /** |
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232 | * @brief Prints message @a msg and delete the current task if the return value |
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233 | * @a rv is less than zero. |
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234 | */ |
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235 | #define RTEMS_CHECK_RV_TASK( rv, msg) \ |
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236 | if ((int) (rv) < 0) { \ |
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237 | RTEMS_SYSLOG_ERROR_WITH_RV( rv, msg); \ |
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238 | (void) rtems_task_delete( RTEMS_SELF); \ |
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239 | return; \ |
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240 | } else { \ |
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241 | RTEMS_DEBUG_OK( msg); \ |
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242 | } |
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243 | |
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244 | /** @} */ |
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245 | |
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246 | /** |
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247 | * @name Cleanup Macros |
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248 | */ |
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249 | /**@{**/ |
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250 | |
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251 | /** |
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252 | * @brief Prints message @a msg and jumps to @a label if the status code @a sc |
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253 | * is not equal to @ref RTEMS_SUCCESSFUL. |
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254 | */ |
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255 | #define RTEMS_CLEANUP_SC( sc, label, msg) \ |
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256 | if ((rtems_status_code) (sc) != RTEMS_SUCCESSFUL) { \ |
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257 | RTEMS_SYSLOG_ERROR_WITH_SC( sc, msg); \ |
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258 | goto label; \ |
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259 | } else { \ |
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260 | RTEMS_DEBUG_OK( msg); \ |
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261 | } |
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262 | |
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263 | /** |
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264 | * @brief Prints message @a msg and jumps to @a label if the status code @a sc |
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265 | * is not equal to @ref RTEMS_SUCCESSFUL. The return value variable @a rv will |
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266 | * be set to a negative @a sc in this case. |
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267 | */ |
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268 | #define RTEMS_CLEANUP_SC_RV( sc, rv, label, msg) \ |
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269 | if ((rtems_status_code) (sc) != RTEMS_SUCCESSFUL) { \ |
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270 | RTEMS_SYSLOG_ERROR_WITH_SC( sc, msg); \ |
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271 | rv = -((int) (sc)); \ |
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272 | goto label; \ |
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273 | } else { \ |
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274 | RTEMS_DEBUG_OK( msg); \ |
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275 | } |
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276 | |
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277 | /** |
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278 | * @brief Prints message @a msg and jumps to @a label if the return value @a rv |
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279 | * is less than zero. |
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280 | */ |
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281 | #define RTEMS_CLEANUP_RV( rv, label, msg) \ |
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282 | if ((int) (rv) < 0) { \ |
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283 | RTEMS_SYSLOG_ERROR_WITH_RV( rv, msg); \ |
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284 | goto label; \ |
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285 | } else { \ |
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286 | RTEMS_DEBUG_OK( msg); \ |
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287 | } |
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288 | |
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289 | /** |
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290 | * @brief Prints message @a msg and jumps to @a label if the return value @a rv |
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291 | * is less than zero. The status code variable @a sc will be set to @ref |
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292 | * RTEMS_IO_ERROR in this case. |
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293 | */ |
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294 | #define RTEMS_CLEANUP_RV_SC( rv, sc, label, msg) \ |
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295 | if ((int) (rv) < 0) { \ |
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296 | RTEMS_SYSLOG_ERROR_WITH_RV( rv, msg); \ |
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297 | sc = RTEMS_IO_ERROR; \ |
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298 | goto label; \ |
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299 | } else { \ |
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300 | RTEMS_DEBUG_OK( msg); \ |
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301 | } |
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302 | |
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303 | /** |
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304 | * @brief Prints message @a msg and jumps to @a label. |
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305 | */ |
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306 | #define RTEMS_DO_CLEANUP( label, msg) \ |
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307 | do { \ |
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308 | RTEMS_SYSLOG_ERROR( msg); \ |
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309 | goto label; \ |
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310 | } while (0) |
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311 | |
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312 | /** |
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313 | * @brief Prints message @a msg, sets the status code variable @a sc to @a val |
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314 | * and jumps to @a label. |
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315 | */ |
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316 | #define RTEMS_DO_CLEANUP_SC( val, sc, label, msg) \ |
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317 | do { \ |
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318 | sc = (rtems_status_code) val; \ |
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319 | RTEMS_SYSLOG_ERROR_WITH_SC( sc, msg); \ |
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320 | goto label; \ |
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321 | } while (0) |
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322 | |
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323 | /** |
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324 | * @brief Prints message @a msg, sets the return value variable @a rv to @a val |
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325 | * and jumps to @a label. |
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326 | */ |
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327 | #define RTEMS_DO_CLEANUP_RV( val, rv, label, msg) \ |
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328 | do { \ |
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329 | rv = (int) val; \ |
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330 | RTEMS_SYSLOG_ERROR_WITH_RV( rv, msg); \ |
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331 | goto label; \ |
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332 | } while (0) |
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333 | |
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334 | /** @} */ |
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335 | |
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336 | /** @} */ |
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337 | |
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338 | #ifdef __cplusplus |
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339 | } |
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340 | #endif /* __cplusplus */ |
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341 | |
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342 | #endif /* RTEMS_STATUS_CHECKS_H */ |
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