1 | |
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2 | #ifndef _QEXTSERIALBASE_H_ |
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3 | #define _QEXTSERIALBASE_H_ |
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4 | |
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5 | #include <QIODevice> |
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6 | #include <QFile> |
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7 | |
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8 | #ifdef QT_THREAD_SUPPORT |
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9 | #include <QThread> |
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10 | #include <QMutex> |
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11 | #endif |
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12 | |
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13 | /*if all warning messages are turned off, flag portability warnings to be turned off as well*/ |
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14 | #ifdef _TTY_NOWARN_ |
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15 | #define _TTY_NOWARN_PORT_ |
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16 | #endif |
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17 | |
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18 | /*macros for thread support*/ |
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19 | #ifdef QT_THREAD_SUPPORT |
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20 | #define LOCK_MUTEX() mutex->lock() |
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21 | #define UNLOCK_MUTEX() mutex->unlock() |
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22 | #else |
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23 | #define LOCK_MUTEX() |
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24 | #define UNLOCK_MUTEX() |
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25 | #endif |
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26 | |
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27 | /*macros for warning messages*/ |
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28 | #ifdef _TTY_NOWARN_PORT_ |
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29 | #define TTY_PORTABILITY_WARNING(s) |
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30 | #else |
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31 | #define TTY_PORTABILITY_WARNING(s) qWarning(s) |
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32 | #endif |
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33 | #ifdef _TTY_NOWARN_ |
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34 | #define TTY_WARNING(s) |
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35 | #else |
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36 | #define TTY_WARNING(s) qWarning(s) |
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37 | #endif |
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38 | |
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39 | |
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40 | /*line status constants*/ |
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41 | #define LS_CTS 0x01 |
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42 | #define LS_DSR 0x02 |
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43 | #define LS_DCD 0x04 |
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44 | #define LS_RI 0x08 |
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45 | #define LS_RTS 0x10 |
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46 | #define LS_DTR 0x20 |
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47 | #define LS_ST 0x40 |
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48 | #define LS_SR 0x80 |
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49 | |
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50 | /*error constants*/ |
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51 | #define E_NO_ERROR 0 |
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52 | #define E_INVALID_FD 1 |
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53 | #define E_NO_MEMORY 2 |
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54 | #define E_CAUGHT_NON_BLOCKED_SIGNAL 3 |
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55 | #define E_PORT_TIMEOUT 4 |
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56 | #define E_INVALID_DEVICE 5 |
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57 | #define E_BREAK_CONDITION 6 |
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58 | #define E_FRAMING_ERROR 7 |
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59 | #define E_IO_ERROR 8 |
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60 | #define E_BUFFER_OVERRUN 9 |
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61 | #define E_RECEIVE_OVERFLOW 10 |
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62 | #define E_RECEIVE_PARITY_ERROR 11 |
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63 | #define E_TRANSMIT_OVERFLOW 12 |
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64 | #define E_READ_FAILED 13 |
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65 | #define E_WRITE_FAILED 14 |
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66 | |
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67 | /*enums for port settings*/ |
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68 | enum NamingConvention { |
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69 | WIN_NAMES, |
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70 | IRIX_NAMES, |
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71 | HPUX_NAMES, |
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72 | SUN_NAMES, |
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73 | DIGITAL_NAMES, |
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74 | FREEBSD_NAMES, |
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75 | LINUX_NAMES |
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76 | }; |
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77 | |
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78 | enum BaudRateType { |
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79 | BAUD50, //POSIX ONLY |
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80 | BAUD75, //POSIX ONLY |
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81 | BAUD110, |
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82 | BAUD134, //POSIX ONLY |
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83 | BAUD150, //POSIX ONLY |
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84 | BAUD200, //POSIX ONLY |
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85 | BAUD300, |
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86 | BAUD600, |
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87 | BAUD1200, |
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88 | BAUD1800, //POSIX ONLY |
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89 | BAUD2400, |
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90 | BAUD4800, |
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91 | BAUD9600, |
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92 | BAUD14400, //WINDOWS ONLY |
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93 | BAUD19200, |
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94 | BAUD38400, |
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95 | BAUD56000, //WINDOWS ONLY |
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96 | BAUD57600, |
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97 | BAUD76800, //POSIX ONLY |
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98 | BAUD115200, |
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99 | BAUD128000, //WINDOWS ONLY |
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100 | BAUD256000 //WINDOWS ONLY |
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101 | }; |
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102 | |
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103 | enum DataBitsType { |
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104 | DATA_5, |
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105 | DATA_6, |
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106 | DATA_7, |
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107 | DATA_8 |
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108 | }; |
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109 | |
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110 | enum ParityType { |
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111 | PAR_NONE, |
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112 | PAR_ODD, |
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113 | PAR_EVEN, |
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114 | PAR_MARK, //WINDOWS ONLY |
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115 | PAR_SPACE |
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116 | }; |
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117 | |
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118 | enum StopBitsType { |
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119 | STOP_1, |
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120 | STOP_1_5, //WINDOWS ONLY |
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121 | STOP_2 |
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122 | }; |
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123 | |
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124 | enum FlowType { |
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125 | FLOW_OFF, |
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126 | FLOW_HARDWARE, |
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127 | FLOW_XONXOFF |
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128 | }; |
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129 | |
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130 | /*structure to contain port settings*/ |
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131 | struct PortSettings { |
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132 | BaudRateType BaudRate; |
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133 | DataBitsType DataBits; |
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134 | ParityType Parity; |
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135 | StopBitsType StopBits; |
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136 | FlowType FlowControl; |
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137 | ulong Timeout_Sec; |
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138 | ulong Timeout_Millisec; |
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139 | }; |
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140 | |
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141 | class QextSerialBase : public QIODevice { |
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142 | public: |
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143 | QextSerialBase(); |
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144 | QextSerialBase(const QString & name); |
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145 | virtual ~QextSerialBase(); |
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146 | virtual void construct(); |
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147 | virtual void setPortName(const QString & name); |
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148 | virtual QString portName() const; |
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149 | |
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150 | virtual void setBaudRate(BaudRateType)=0; |
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151 | virtual BaudRateType baudRate() const; |
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152 | virtual void setDataBits(DataBitsType)=0; |
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153 | virtual DataBitsType dataBits() const; |
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154 | virtual void setParity(ParityType)=0; |
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155 | virtual ParityType parity() const; |
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156 | virtual void setStopBits(StopBitsType)=0; |
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157 | virtual StopBitsType stopBits() const; |
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158 | virtual void setFlowControl(FlowType)=0; |
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159 | virtual FlowType flowControl() const; |
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160 | virtual void setTimeout(ulong, ulong)=0; |
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161 | |
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162 | virtual bool open(OpenMode mode=0)=0; |
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163 | virtual bool isSequential() const; |
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164 | virtual void close()=0; |
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165 | virtual void flush()=0; |
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166 | |
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167 | virtual qint64 size() const=0; |
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168 | virtual qint64 bytesAvailable()=0; |
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169 | virtual bool atEnd() const; |
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170 | |
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171 | virtual void ungetChar(char c)=0; |
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172 | virtual qint64 readLine(char * data, qint64 maxSize); |
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173 | |
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174 | virtual ulong lastError() const; |
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175 | virtual void translateError(ulong error)=0; |
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176 | |
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177 | virtual void setDtr(bool set=true)=0; |
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178 | virtual void setRts(bool set=true)=0; |
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179 | virtual ulong lineStatus()=0; |
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180 | |
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181 | protected: |
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182 | QString port; |
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183 | PortSettings Settings; |
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184 | ulong lastErr; |
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185 | |
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186 | #ifdef QT_THREAD_SUPPORT |
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187 | static QMutex* mutex; |
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188 | static ulong refCount; |
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189 | #endif |
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190 | |
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191 | virtual qint64 readData(char * data, qint64 maxSize)=0; |
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192 | virtual qint64 writeData(const char * data, qint64 maxSize)=0; |
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193 | |
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194 | }; |
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195 | |
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196 | #endif |
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