cleanup
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		@@ -25,7 +25,8 @@ namespace ix
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    SelectInterruptPipe::SelectInterruptPipe()
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    {
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        ;
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        _fildes[kPipeReadIndex] = -1;
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        _fildes[kPipeWriteIndex] = -1;
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    }
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    SelectInterruptPipe::~SelectInterruptPipe()
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@@ -38,8 +39,9 @@ namespace ix
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    bool SelectInterruptPipe::init(std::string& errorMsg)
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    {
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        _fildes[kPipeReadIndex] = -1;
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        _fildes[kPipeWriteIndex] = -1;
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        // calling init twice is a programming error
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        assert(_fildes[kPipeReadIndex] == -1);
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        assert(_fildes[kPipeWriteIndex] == -1);
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        if (pipe(_fildes) < 0)
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        {
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@@ -101,7 +103,7 @@ namespace ix
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        return true;
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    }
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    int SelectInterruptPipe::getFd()
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    int SelectInterruptPipe::getFd() const
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    {
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        return _fildes[kPipeReadIndex];
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    }
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