From d3e7f93e69cb24c766292d8780e745caf24d42a8 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期四, 25 三月 2021 18:30:51 +0800
Subject: [PATCH] add ref count.
---
src/shm_queue.cpp | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/shm_queue.cpp b/src/shm_queue.cpp
index f770afc..77add97 100644
--- a/src/shm_queue.cpp
+++ b/src/shm_queue.cpp
@@ -73,7 +73,9 @@
if (Send(remote_id, msg, timeout_ms)) {
return true;
} else {
- msg.FreeFrom(shm());
+ if (msg.RemoveRef() == 0) { // works for both refcounted and not counted.
+ msg.FreeFrom(shm());
+ }
}
}
return false;
@@ -83,9 +85,10 @@
{
Msg msg;
if (Read(msg, timeout_ms)) {
+ DEFER1(if (msg.RemoveRef() == 0) { msg.FreeFrom(shm()); });
+
auto ptr = msg.get<char>();
if (ptr) {
- DEFER1(shm().Dealloc(ptr););
MsgMetaV1 meta;
meta.Parse(ptr);
source_id = meta.src_id_;
--
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