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Faculty of Informatics and Communication

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Lecture 6: Slide 17 of 61

Mutual Exclusion with Test­and­Set
  • Shared data: 

     boolean lock = false;
  • Process Pi 

     do
     {
       while (Test-and-Set(lock))
       {
         /*do nothing*/
       }
     
       critical section
       lock = false; 
       remainder section
     }while (true)

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