50 lines
1 KiB
C++
50 lines
1 KiB
C++
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#ifndef _BoundedBuffer_H_
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#define _BoundedBuffer_H_
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#include <vector>
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#include <string>
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//#include <semaphore.h>
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using namespace std;
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//extern unsigned int n, b, w;
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class BoundedBuffer{
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Semaphore *full = new Semaphore(0); //initialized to 0, Since there are 0 full slots
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Semaphore *empty;// = new Semaphore(b); //initialized to b, Since all the slots are empty
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Semaphore *mutex = new Semaphore(1);
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vector<string> data;
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public:
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BoundedBuffer(){empty = new Semaphore(200);}//default b value
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BoundedBuffer(int b){
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empty = new Semaphore(b);
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}
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<<<<<<< HEAD
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void set_empty(int e){empty = new Semaphore(e);}
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=======
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void set_empty(int e){
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delete empty;
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empty = new Semaphore(e);
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}
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bool is_empty() {
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return (data.size() == 0);
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}
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>>>>>>> 05aaecdb17812b161db2168b80a19fc2c783800b
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void push(string item);
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string pop();
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//can't be larger than b strings
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//b = user input
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};
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#endif
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