patch-2.4.2 linux/include/asm-s390/queue.h

• Lines: 74
• Date: Tue Feb 13 14:13:44 2001
• Orig file: v2.4.1/linux/include/asm-s390/queue.h
• Orig date: Fri May 12 11:41:44 2000

diff -u --recursive --new-file v2.4.1/linux/include/asm-s390/queue.h linux/include/asm-s390/queue.h
@@ -70,6 +70,35 @@
 	*lhead=member;
 }
 
+static __inline__ list *remove_listhead(list **lhead)
+{
+	list *oldhead=*lhead;
+
+	if(oldhead)
+		*lhead=(*lhead)->next;
+	return(oldhead);
+}
+
+static __inline__ void add_to_list_tail(list **lhead,list *member)
+{
+	list *curr,*prev;
+	if(*lhead==NULL)
+		*lhead=member;
+	else
+	{
+		prev=*lhead;
+		for(curr=(*lhead)->next;curr!=NULL;curr=curr->next)
+			prev=curr;
+		prev->next=member;
+	}
+}
+static __inline__ void add_to_list_tail_null(list **lhead,list *member)
+{
+	member->next=NULL;
+	add_to_list_tail_null(lhead,member);
+}
+
+
 static __inline__ int is_in_list(list *lhead,list *member)
 {
 	list *curr;
@@ -96,6 +125,7 @@
 }
 
 
+
 static __inline__ int remove_from_list(list **lhead,list *member)
 {
 	list *prev;
@@ -112,6 +142,29 @@
 	return(FALSE);
 }
 
+static __inline__ int remove_from_queue(qheader *qhead,queue *member)
+{
+	queue *prev;
+
+	if(get_prev(qhead->head,(list *)member,(list **)&prev))
+	{
+
+		if(prev)
+		{
+			prev->next=member->next;
+			if(prev->next==NULL)
+				qhead->tail=prev;
+		}
+		else
+		{
+			if(qhead->head==qhead->tail)
+				qhead->tail=NULL;
+			qhead->head=member->next;
+		}
+		return(TRUE);
+	}
+	return(FALSE);
+}