From 28f06bc49a4d8d69f1ea2f767863b7921d12f155 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期六, 08 五月 2021 18:30:48 +0800
Subject: [PATCH] add robust FMutex, works fine; use boost circular.

---
 src/shm_msg_queue.h |   19 +++++++++++++++----
 1 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/shm_msg_queue.h b/src/shm_msg_queue.h
index f496f0f..f8888f3 100644
--- a/src/shm_msg_queue.h
+++ b/src/shm_msg_queue.h
@@ -26,11 +26,13 @@
 
 class ShmMsgQueue : public StaticDataRef<std::atomic<uint64_t>, ShmMsgQueue>
 {
-	typedef ShmObject<SharedQ63<4>> Shmq;
-	// typedef ShmObject<SharedQueue<int64_t>> Shmq;
+	// typedef ShmObject<SharedQ63<4>> Shmq;
+	typedef ShmObject<SharedQueue<int64_t>> Shmq;
 	typedef Shmq::ShmType ShmType;
 	typedef Shmq::Data Queue;
 	typedef std::function<void()> OnSend;
+	typedef robust::FMutex Mutex;
+	typedef robust::Guard<Mutex> Guard;
 
 public:
 	typedef uint64_t MQId;
@@ -45,13 +47,22 @@
 	MQId Id() const { return id_; }
 	ShmType &shm() const { return queue_.shm(); }
 
-	bool Recv(MsgI &msg, const int timeout_ms) { return queue().Read(msg.OffsetRef(), timeout_ms); }
-	bool TryRecv(MsgI &msg) { return queue().TryRead(msg.OffsetRef()); }
+	bool Recv(MsgI &msg, const int timeout_ms)
+	{
+		Guard lock(GetMutex(Id()));
+		return queue().Read(msg.OffsetRef(), timeout_ms);
+	}
+	bool TryRecv(MsgI &msg)
+	{
+		Guard lock(GetMutex(Id()));
+		return queue().TryRead(msg.OffsetRef());
+	}
 	static Queue *Find(SharedMemory &shm, const MQId remote_id);
 	static bool TrySend(SharedMemory &shm, const MQId remote_id, MsgI msg);
 	bool TrySend(const MQId remote_id, const MsgI &msg) { return TrySend(shm(), remote_id, msg); }
 
 private:
+	static Mutex &GetMutex(const MQId id);
 	MQId id_;
 	Queue &queue() { return *queue_.data(); }
 	Shmq queue_;

--
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