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[Qemu-devel] [PATCH v4 16/54] queue: add QTAILQ_REMOVE_SEVERAL
From: |
Alex Bennée |
Subject: |
[Qemu-devel] [PATCH v4 16/54] queue: add QTAILQ_REMOVE_SEVERAL |
Date: |
Wed, 31 Jul 2019 17:06:41 +0100 |
From: "Emilio G. Cota" <address@hidden>
This is faster than removing elements one by one.
Will gain a user soon.
Signed-off-by: Emilio G. Cota <address@hidden>
Signed-off-by: Alex Bennée <address@hidden>
---
include/qemu/queue.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/qemu/queue.h b/include/qemu/queue.h
index 0379bd8fdbb..66e834dad11 100644
--- a/include/qemu/queue.h
+++ b/include/qemu/queue.h
@@ -422,6 +422,16 @@ union {
\
(elm)->field.tqe_circ.tql_prev = NULL; \
} while (/*CONSTCOND*/0)
+/* remove @left, @right and all elements in between from @head */
+#define QTAILQ_REMOVE_SEVERAL(head, left, right, field) do { \
+ if (((right)->field.tqe_next) != NULL) \
+ (right)->field.tqe_next->field.tqe_circ.tql_prev = \
+ (left)->field.tqe_circ.tql_prev; \
+ else \
+ (head)->tqh_circ.tql_prev = (left)->field.tqe_circ.tql_prev; \
+ (left)->field.tqe_circ.tql_prev->tql_next = (right)->field.tqe_next; \
+ } while (/*CONSTCOND*/0)
+
#define QTAILQ_FOREACH(var, head, field) \
for ((var) = ((head)->tqh_first); \
(var); \
--
2.20.1
- [Qemu-devel] [PATCH v4 36/54] target/m68k: fetch code with translator_ld, (continued)
- [Qemu-devel] [PATCH v4 36/54] target/m68k: fetch code with translator_ld, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 49/54] plugin: add qemu_plugin_insn_disas helper, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 52/54] accel/stubs: reduce headers from tcg-stub, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 47/54] tests/tcg: enable plugin testing, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 34/54] target/i386: fetch code with translator_ld, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 24/54] plugins: implement helpers for resolving hwaddr, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 48/54] tests/plugin: add a hotblocks plugin, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 35/54] target/hppa: fetch code with translator_ld, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 46/54] tests/plugin: add sample plugins, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 26/54] *-user: notify plugin of exit, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 16/54] queue: add QTAILQ_REMOVE_SEVERAL,
Alex Bennée <=
- [Qemu-devel] [PATCH v4 43/54] plugin: add API symbols to qemu-plugins.symbols, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 21/54] atomic_template: fix indentation in GEN_ATOMIC_HELPER, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 28/54] cpu: hook plugin vcpu events, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 37/54] target/alpha: fetch code with translator_ld, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 44/54] vl: support -plugin option, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 32/54] target/ppc: fetch code with translator_ld, Alex Bennée, 2019/07/31
- [Qemu-devel] [PATCH v4 22/54] atomic_template: add inline trace/plugin helpers, Alex Bennée, 2019/07/31
- Re: [Qemu-devel] [PATCH v4 00/54] plugins for TCG, no-reply, 2019/07/31