The key to * * code reentrant is to ensure mutual exclusion whenever accessing global variables or shared registers 使代码可再入的关键在于确保在访问全局变量或共享寄存器时互斥现象发生。
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The key to making code reentrant is to ensure mutual exclusion whenever accessing global variables or shared registers 使代码可再入的关键在于确保在访问全局变量或共享寄存器时互斥现象发生。