From 1fbfef2a51db4a3bac9d8a5b87af94a40a913b7a Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期日, 25 四月 2021 15:33:40 +0800
Subject: [PATCH] change mqid from uuid to uint64.
---
src/bh_util.h | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/src/bh_util.h b/src/bh_util.h
index e3ab70b..c419a59 100644
--- a/src/bh_util.h
+++ b/src/bh_util.h
@@ -143,6 +143,31 @@
}
};
+template <class T, class Tag>
+class StaticDataRef
+{
+ typedef T *Ptr;
+ static inline Ptr &ptr()
+ {
+ static Ptr sp(nullptr);
+ return sp;
+ }
+
+protected:
+ static inline T &GetData()
+ {
+ if (!ptr()) { throw std::string("Must set ShmMsg shm before use!"); }
+ return *ptr();
+ }
+
+public:
+ static bool SetData(T &t)
+ {
+ auto Bind = [&]() { ptr() = &t; return true; };
+ return ptr() ? false : Bind();
+ }
+};
+
// macro helper
#define JOIN_IMPL(a, b) a##b
#define JOIN(a, b) JOIN_IMPL(a, b)
--
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