1 | // |
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2 | // AtomicCounter.cpp |
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3 | // |
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4 | // $Id: //poco/1.3/Foundation/src/AtomicCounter.cpp#3 $ |
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5 | // |
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6 | // Library: Foundation |
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7 | // Package: Core |
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8 | // Module: AtomicCounter |
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9 | // |
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10 | // Copyright (c) 2009, Applied Informatics Software Engineering GmbH. |
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11 | // and Contributors. |
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12 | // |
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13 | // Permission is hereby granted, free of charge, to any person or organization |
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14 | // obtaining a copy of the software and accompanying documentation covered by |
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15 | // this license (the "Software") to use, reproduce, display, distribute, |
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16 | // execute, and transmit the Software, and to prepare derivative works of the |
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17 | // Software, and to permit third-parties to whom the Software is furnished to |
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18 | // do so, all subject to the following: |
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19 | // |
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20 | // The copyright notices in the Software and this entire statement, including |
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21 | // the above license grant, this restriction and the following disclaimer, |
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22 | // must be included in all copies of the Software, in whole or in part, and |
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23 | // all derivative works of the Software, unless such copies or derivative |
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24 | // works are solely in the form of machine-executable object code generated by |
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25 | // a source language processor. |
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26 | // |
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27 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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28 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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29 | // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
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30 | // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
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31 | // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
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32 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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33 | // DEALINGS IN THE SOFTWARE. |
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34 | // |
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35 | |
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36 | |
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37 | #include <Poco/AtomicCounter.h> |
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38 | |
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39 | |
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40 | namespace Poco { |
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41 | |
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42 | |
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43 | #if POCO_OS == POCO_OS_WINDOWS_NT |
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44 | // |
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45 | // Windows |
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46 | // |
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47 | AtomicCounter::AtomicCounter(): |
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48 | _counter(0) |
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49 | { |
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50 | } |
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51 | |
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52 | |
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53 | AtomicCounter::AtomicCounter(AtomicCounter::ValueType initialValue): |
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54 | _counter(initialValue) |
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55 | { |
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56 | } |
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57 | |
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58 | |
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59 | AtomicCounter::AtomicCounter(const AtomicCounter& counter): |
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60 | _counter(counter.value()) |
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61 | { |
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62 | } |
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63 | |
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64 | |
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65 | AtomicCounter::~AtomicCounter() |
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66 | { |
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67 | } |
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68 | |
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69 | |
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70 | AtomicCounter& AtomicCounter::operator = (const AtomicCounter& counter) |
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71 | { |
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72 | InterlockedExchange(&_counter, counter.value()); |
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73 | return *this; |
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74 | } |
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75 | |
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76 | |
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77 | AtomicCounter& AtomicCounter::operator = (AtomicCounter::ValueType value) |
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78 | { |
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79 | InterlockedExchange(&_counter, value); |
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80 | return *this; |
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81 | } |
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82 | |
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83 | |
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84 | #elif POCO_OS == POCO_OS_MAC_OS_X |
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85 | // |
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86 | // Mac OS X |
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87 | // |
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88 | AtomicCounter::AtomicCounter(): |
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89 | _counter(0) |
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90 | { |
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91 | } |
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92 | |
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93 | |
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94 | AtomicCounter::AtomicCounter(AtomicCounter::ValueType initialValue): |
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95 | _counter(initialValue) |
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96 | { |
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97 | } |
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98 | |
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99 | |
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100 | AtomicCounter::AtomicCounter(const AtomicCounter& counter): |
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101 | _counter(counter.value()) |
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102 | { |
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103 | } |
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104 | |
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105 | |
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106 | AtomicCounter::~AtomicCounter() |
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107 | { |
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108 | } |
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109 | |
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110 | |
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111 | AtomicCounter& AtomicCounter::operator = (const AtomicCounter& counter) |
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112 | { |
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113 | _counter = counter.value(); |
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114 | return *this; |
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115 | } |
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116 | |
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117 | |
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118 | AtomicCounter& AtomicCounter::operator = (AtomicCounter::ValueType value) |
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119 | { |
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120 | _counter = value; |
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121 | return *this; |
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122 | } |
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123 | |
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124 | |
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125 | #else |
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126 | // |
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127 | // Generic implementation based on FastMutex |
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128 | // |
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129 | AtomicCounter::AtomicCounter() |
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130 | { |
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131 | _counter.value = 0; |
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132 | } |
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133 | |
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134 | |
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135 | AtomicCounter::AtomicCounter(AtomicCounter::ValueType initialValue) |
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136 | { |
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137 | _counter.value = initialValue; |
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138 | } |
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139 | |
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140 | |
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141 | AtomicCounter::AtomicCounter(const AtomicCounter& counter) |
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142 | { |
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143 | _counter.value = counter.value(); |
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144 | } |
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145 | |
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146 | |
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147 | AtomicCounter::~AtomicCounter() |
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148 | { |
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149 | } |
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150 | |
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151 | |
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152 | AtomicCounter& AtomicCounter::operator = (const AtomicCounter& counter) |
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153 | { |
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154 | FastMutex::ScopedLock lock(_counter.mutex); |
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155 | _counter.value = counter.value(); |
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156 | return *this; |
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157 | } |
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158 | |
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159 | |
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160 | AtomicCounter& AtomicCounter::operator = (AtomicCounter::ValueType value) |
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161 | { |
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162 | FastMutex::ScopedLock lock(_counter.mutex); |
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163 | _counter.value = value; |
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164 | return *this; |
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165 | } |
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166 | |
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167 | |
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168 | #endif // POCO_OS |
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169 | |
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170 | |
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171 | } // namespace Poco |
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