diff mbox

[3/4] ptrlist: add MARK_CURRENT_DELETED

Message ID 20170804200915.56738-4-luc.vanoostenryck@gmail.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Luc Van Oostenryck Aug. 4, 2017, 8:09 p.m. UTC 
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 ptrlist.h | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox

Patch

diff --git a/ptrlist.h b/ptrlist.h
index d8203cf0b..74b80e220 100644
--- a/ptrlist.h
+++ b/ptrlist.h
@@ -287,6 +287,14 @@  extern void split_ptr_list_head(struct ptr_list *);
 #define REPLACE_CURRENT_PTR(ptr, new_ptr)						\
 	do { *THIS_ADDRESS(ptr) = (new_ptr); } while (0)
 
+#define DO_MARK_CURRENT_DELETED(ptr, __list) do {	\
+		REPLACE_CURRENT_PTR(ptr, NULL);		\
+		__list->rm++;				\
+	} while (0)
+
+#define MARK_CURRENT_DELETED(ptr) \
+	DO_MARK_CURRENT_DELETED(ptr, __list##ptr)
+
 extern void pack_ptr_list(struct ptr_list **);
 
 #define PACK_PTR_LIST(x) pack_ptr_list((struct ptr_list **)(x))