13hannes11/UU_la_parallel_programming_practical_assignments
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implement count

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This commit is contained in:
Hannes Kuchelmeister
2021-01-10 21:32:21 +01:00
parent 02baf6cb28
commit 2e226879ef
2 changed files with 9 additions and 2 deletions
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10
Assignment_3/lib/TreiberStack.cpp
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@@ -4,7 +4,9 @@
#include "ADT_Stack.h"
TreiberStack::TreiberStack(ADTOperationQueue * queue) : Stack(queue) { }
TreiberStack::TreiberStack(ADTOperationQueue * queue) : Stack(queue) {
count.store(0);
}
void TreiberStack::push(int element) {
Node * n;
@@ -15,6 +17,7 @@ void TreiberStack::push(int element) {
n->next = t;
if (top.compare_exchange_weak(t, n)) {
op_queue->enqueue(create_operation(methodname::push, element));
count.fetch_add(1);
return;
}
}
@@ -31,10 +34,13 @@ int TreiberStack::pop() {
} else if (top.compare_exchange_weak(t, t->next)) {
int data = t->get_data();
op_queue->enqueue(create_operation(methodname::pop, data));
count.fetch_add(-1);
return data;
}
}
}
int TreiberStack::size() {
return 0;
int c = count.load(std::memory_order_relaxed);
op_queue->enqueue(create_operation(methodname::size, c));
return c;
}