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_; -- Gitblit v1.8.0