From c095be83aa9d795023a54ddaccfb6717258561c9 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期一, 29 三月 2021 11:37:20 +0800
Subject: [PATCH] read/write multiple msgs; move mqid.
---
src/msg.cpp | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/src/msg.cpp b/src/msg.cpp
index 4ddb726..9883246 100644
--- a/src/msg.cpp
+++ b/src/msg.cpp
@@ -59,9 +59,20 @@
}
-void Msg::FreeFrom(SharedMemory &shm)
+int Msg::Release(SharedMemory &shm)
{
+ if (IsCounted()) {
+ const int n = count_->Dec();
+ if (n != 0) {
+ return n;
+ }
+ }
+ // free data
shm.Dealloc(ptr_);
+ ptr_ = 0;
shm.Delete(count_);
+ count_ = 0;
+ return 0;
}
+
} // namespace bhome_shm
--
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