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[Qemu-devel] [5798] Add TAILQ_FOREACH_SAFE (Jan Kiszka)
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [5798] Add TAILQ_FOREACH_SAFE (Jan Kiszka) |
Date: |
Tue, 25 Nov 2008 22:05:40 +0000 |
Revision: 5798
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5798
Author: aliguori
Date: 2008-11-25 22:05:37 +0000 (Tue, 25 Nov 2008)
Log Message:
-----------
Add TAILQ_FOREACH_SAFE (Jan Kiszka)
Add TAILQ iterator that allows to safely remove elements while walking
the list.
Signed-off-by: Jan Kiszka <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/sys-queue.h
Modified: trunk/sys-queue.h
===================================================================
--- trunk/sys-queue.h 2008-11-25 21:50:24 UTC (rev 5797)
+++ trunk/sys-queue.h 2008-11-25 22:05:37 UTC (rev 5798)
@@ -210,6 +210,11 @@
(var); \
(var) = ((var)->field.tqe_next))
+#define TAILQ_FOREACH_SAFE(var, head, field, next_var) \
+ for ((var) = ((head)->tqh_first); \
+ (var) && ((next_var) = ((var)->field.tqe_next), 1); \
+ (var) = (next_var))
+
#define TAILQ_FOREACH_REVERSE(var, head, headname, field) \
for ((var) = (*(((struct headname *)((head)->tqh_last))->tqh_last));
\
(var); \
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