From 8967e7f2f8b94dc032135707e16c8a9f233d0db6 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期四, 03 六月 2021 13:32:16 +0800
Subject: [PATCH] rafactor, remove old todo, add some err msg.

---
 src/msg.cpp |   30 ++++++++++++++++++++++++++++++
 1 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/src/msg.cpp b/src/msg.cpp
index f180d67..3546424 100644
--- a/src/msg.cpp
+++ b/src/msg.cpp
@@ -17,8 +17,38 @@
  */
 #include "msg.h"
 #include "bh_util.h"
+#include "defs.h"
+#include "shm_socket.h"
 
 namespace bhome_msg
 {
 
+int ShmMsg::Release()
+{
+	if (!valid()) {
+		return 0;
+	}
+	auto n = meta()->count_.Dec();
+	if (n == 0) {
+		if (meta()->managed_) {
+			int64_t free_cmd = (id() << 4) | EncodeCmd(eCmdFree);
+			DefaultSender(shm()).Send(BHTopicCenterAddress(shm()), free_cmd);
+		} else {
+			Free();
+		}
+	} else if (n < 0) {
+		// ns_log::GetTrace();
+		LOG_FATAL() << "double release msg.";
+		throw std::runtime_error("double release msg.");
+	}
+	return n;
+}
+
+void ShmMsg::Free()
+{
+	assert(valid());
+	shm().Dealloc(meta());
+	offset_ = 0;
+	assert(!valid());
+}
 } // namespace bhome_msg

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