Mutex wait queuesno-search

1 files changed, 6 insertions, 37 deletions

diff --git a/kernel/lib/queue.c b/kernel/lib/queue.c
index 1fc35f6..38ef8cf 100644
--- a/kernel/lib/queue.c
+++ b/kernel/lib/queue.c
@@ -2,54 +2,23 @@
 
 void push_to_queue(struct Entry* e, struct Queue* q)
 {
-	q->end.next->next = e;
-	q->end.next = e;
-	e->next = &q->end;
-}
-
-void prepend_to_queue(struct Entry* e, struct Queue* q)
-{
 	e->next = q->start.next;
 	q->start.next = e;
-	if (e->next->entry_type == END_ENTRY)
-		q->end.next = e;
 }
 
 struct Entry* pop_from_queue(struct Queue* q)
 {
-	if (q->start.next->entry_type == END_ENTRY)
+	if (q->start.next == 0)
 		return 0;
 	struct Entry* e = q->start.next;
 	q->start.next = e->next;
-	if (e->next->entry_type == END_ENTRY)
-		q->end.next = &q->start;
 	return e;
 }
 
-struct Entry* remove_next_from_queue(struct Entry* e)
-{
-	struct Entry* prev = e;
-	struct Entry* remove = e->next;
-	struct Entry* next = remove->next;
-	if (remove->entry_type != VALUE_ENTRY)
+struct Entry* remove_next_from_queue(struct Entry* e) {
+	if (e->next == 0)
 		return 0;
-	prev->next = next;
-	if (next->entry_type == END_ENTRY)
-		next->next = prev;
-	return remove;
-}
-
-struct Entry* find_value(void* value, struct Queue* q)
-{
-	struct Entry* prev;
-	struct Entry* entry;
-	prev = &q->start;
-	entry = prev->next;
-	while (entry->entry_type != END_ENTRY) {
-		if (entry->value == value)
-			return prev;
-		prev = entry;
-		entry = prev->next;
-	}
-	return 0;
+	struct Entry* next = e->next;
+	e->next = next->next;
+	return next;
 }