What is the volatile keyword in C++? Why is it critical in embedded systems?
What is the volatile keyword in C++? Why is it critical in embedded systems?
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: medium
标签: interviewbit, cpp, topic-specific, c++, systems
参考答案摘要
The volatile keyword tells the compiler that a variable’s value may change at any time outside the program’s control. Because of this, the compiler must not optimize or cache the variable in a CPU reg...
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