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2
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1 __code putSynchronizedQueue(struct SynchronizedQueue* queue, union Data* data, __code next(...)) {
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2 Element* element = new Element();
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3 element->data = data;
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4 element->next = NULL;
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5 Element* last = queue->last;
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6 Element* nextElement = last->next;
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7 if (last != queue->last) {
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8 goto putSynchronizedQueue();
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9 }
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10 if (nextElement == NULL) {
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11 struct Atomic* atomic = queue->atomic;
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12 goto atomic->checkAndSet(&last->next, nextElement, element, next(...), putSynchronizedQueue);
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13 } else { // wrong last element
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14 struct Atomic* atomic = queue->atomic;
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15 goto atomic->checkAndSet(&queue->last, last, nextElement, putSynchronizedQueue, putSynchronizedQueue);
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16 }
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17 }
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