add comments for ring buffer

src/ring_buffer.c

@@ -33,6 +33,7 @@ ssize_t ring_buffer_enqueue(so_ring_buffer_t *ring, void *data, size_t size)
 {
 	pthread_mutex_lock(&ring->lock);
 
+	// astept sa se elibereze spatiu in ring buffer
 	while ((ring->write_pos + size) % ring->cap == ring->read_pos && !ring->stop)
 		pthread_cond_wait(&ring->full_cond, &ring->lock);
 
@@ -40,6 +41,7 @@ ssize_t ring_buffer_enqueue(so_ring_buffer_t *ring, void *data, size_t size)
 	ring->write_pos = (ring->write_pos + size) % ring->cap;
 	ring->len += size;
 
+	// semnalez ca am adaugat date in ring buffer si ca sigur nu mai este gol
 	pthread_cond_signal(&ring->empty_cond);
 
 	// am reusit sa adaug un pachet in ring buffer si atunci adaug timestamp-ul in lista
@@ -58,6 +60,7 @@ ssize_t ring_buffer_dequeue(so_ring_buffer_t *ring, void *data, size_t size)
 {
 	pthread_mutex_lock(&ring->lock);
 
+	// astept sa se adauge date in ring buffer
 	while (ring->read_pos == ring->write_pos && !ring->stop)
 		pthread_cond_wait(&ring->empty_cond, &ring->lock);
 
@@ -70,6 +73,7 @@ ssize_t ring_buffer_dequeue(so_ring_buffer_t *ring, void *data, size_t size)
 	ring->read_pos = (ring->read_pos + size) % ring->cap;
 	ring->len -= size;
 
+	// semnalez ca am scos date din ring buffer si nu mai este cu siguranta plin
 	pthread_cond_signal(&ring->full_cond);
 	pthread_mutex_unlock(&ring->lock);
 
@@ -97,7 +101,7 @@ void ring_buffer_stop(so_ring_buffer_t *ring)
 
 	pthread_mutex_unlock(&ring->lock);
 
-	// pentru lista
+	// pentru lista de timestamp-uri
 	pthread_mutex_lock(&list.lock);
 	list.stop = 1;
 
@@ -141,6 +145,7 @@ void add_to_list(unsigned long timestamp)
 
 void remove_from_list(void)
 {
+	// scot primul element din lista
 	list_node *current = list.head;
 
 	if (current != NULL)