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This commit is contained in:
Bassem Girgis
2018-10-18 00:40:34 -05:00
parent fffe4528da
commit 31c32e368a
149 changed files with 5974 additions and 6287 deletions
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32
source/listing_7.14.cpp
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@@ -1,20 +1,18 @@
void push(T new_value)
void
push(T new_value)
{
std::unique_ptr<T> new_data(new T(new_value));
counted_node_ptr new_next;
new_next.ptr=new node;
new_next.external_count=1;
for(;;)
{
node* const old_tail=tail.load();
T* old_data=nullptr;
if(old_tail->data.compare_exchange_strong(
old_data,new_data.get()))
{
old_tail->next=new_next;
tail.store(new_next.ptr);
new_data.release();
break;
}
std::unique_ptr<T> new_data(new T(new_value));
counted_node_ptr new_next;
new_next.ptr = new node;
new_next.external_count = 1;
for (;;) {
node* const old_tail = tail.load();
T* old_data = nullptr;
if (old_tail->data.compare_exchange_strong(old_data, new_data.get())) {
old_tail->next = new_next;
tail.store(new_next.ptr);
new_data.release();
break;
}
}
}