Page Menu
Home
FreeBSD
Search
Configure Global Search
Log In
Files
F144631044
D48207.1775890938.diff
No One
Temporary
Actions
View File
Edit File
Delete File
View Transforms
Subscribe
Flag For Later
Award Token
Size
1 KB
Referenced Files
None
Subscribers
None
D48207.1775890938.diff
View Options
diff --git a/sys/dev/sound/pcm/channel.h b/sys/dev/sound/pcm/channel.h
--- a/sys/dev/sound/pcm/channel.h
+++ b/sys/dev/sound/pcm/channel.h
@@ -175,6 +175,7 @@
#define CHN_LINK(y) y.link
#define CHN_EMPTY(x, y) SLIST_EMPTY(CHN_HEAD(x, y))
#define CHN_FIRST(x, y) SLIST_FIRST(CHN_HEAD(x, y))
+#define CHN_NEXT(elm, list) SLIST_NEXT((elm), CHN_LINK(list))
#define CHN_FOREACH(x, y, z) \
SLIST_FOREACH(x, CHN_HEAD(y, z), CHN_LINK(z))
@@ -188,8 +189,8 @@
#define CHN_INSERT_AFTER(x, y, z) \
SLIST_INSERT_AFTER(x, y, CHN_LINK(z))
-#define CHN_REMOVE(x, y, z) \
- SLIST_REMOVE(CHN_HEAD(x, z), y, pcm_channel, CHN_LINK(z))
+#define CHN_REMOVE(holder, elm, list) \
+ SLIST_REMOVE(CHN_HEAD(holder, list), elm, pcm_channel, CHN_LINK(list))
#define CHN_INSERT_HEAD_SAFE(x, y, z) do { \
struct pcm_channel *t = NULL; \
@@ -211,14 +212,18 @@
CHN_INSERT_AFTER(x, y, z); \
} while (0)
-#define CHN_REMOVE_SAFE(x, y, z) do { \
- struct pcm_channel *t = NULL; \
- CHN_FOREACH(t, x, z) { \
- if (t == y) \
- break; \
- } \
- if (t == y) \
- CHN_REMOVE(x, y, z); \
+#define CHN_REMOVE_SAFE(holder, elm, list) do { \
+ if (CHN_FIRST(holder, list) == (elm)) { \
+ SLIST_REMOVE_HEAD(CHN_HEAD(holder, list), CHN_LINK(list)); \
+ } else { \
+ struct pcm_channel *t = NULL; \
+ CHN_FOREACH(t, holder, list) { \
+ if (CHN_NEXT(t, list) == (elm)) { \
+ SLIST_REMOVE_AFTER(t, CHN_LINK(list)); \
+ break; \
+ } \
+ } \
+ } \
} while (0)
#define CHN_INSERT_SORT(w, x, y, z) do { \
File Metadata
Details
Attached
Mime Type
text/plain
Expires
Sat, Apr 11, 7:02 AM (15 h, 59 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
28323172
Default Alt Text
D48207.1775890938.diff (1 KB)
Attached To
Mode
D48207: sound: Safely remove channel from list in one pass
Attached
Detach File
Event Timeline
Log In to Comment