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41 lines
648 B
C++
41 lines
648 B
C++
/**
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* @brief Signal interface definition.
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*/
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#ifndef STA_SIGNAL_HPP
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#define STA_SIGNAL_HPP
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namespace sta
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{
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/**
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* @brief Interface for signal objects.
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*/
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class Signal
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{
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public:
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/**
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* @brief Enter signaled state.
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*/
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virtual void notify() = 0;
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/**
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* @brief Check signal state w/o changing it.
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*
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* @return True if in signaled state
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*/
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virtual bool peek() = 0;
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/**
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* @brief Check signal state.
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*
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* @return True if in signaled state
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*/
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virtual bool test() = 0;
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/**
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* @brief Wait until signaled state is entered.
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*/
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virtual void wait() = 0;
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};
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} // namespace sta
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#endif // STA_SIGNAL_HPP
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