From 95bd9a67f9f6c90f627784e3f8fbf5c203784e51 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期五, 30 四月 2021 15:36:17 +0800
Subject: [PATCH] change shm socket msg queue to atomic queue.
---
src/shm_queue.h | 28 ++++++++++++++++++++++++++--
1 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/src/shm_queue.h b/src/shm_queue.h
index 7e4ec31..5d5c0e9 100644
--- a/src/shm_queue.h
+++ b/src/shm_queue.h
@@ -53,8 +53,32 @@
bool TryWrite(const D &d) { return queue_.push_back(d); }
private:
- typedef Circular<D> Queue;
- Queue queue_;
+ Circular<D> queue_;
+};
+
+template <int Power = 4>
+class SharedQ63
+{
+public:
+ typedef int64_t Data;
+ bool Read(Data &d, const int timeout_ms)
+ {
+ using namespace std::chrono;
+ auto end_time = steady_clock::now() + milliseconds(timeout_ms);
+ do {
+ if (TryRead(d)) {
+ return true;
+ } else {
+ robust::QuickSleep();
+ }
+ } while (steady_clock::now() < end_time);
+ return false;
+ }
+ bool TryRead(Data &d, const bool try_more = true) { return queue_.pop_front(d, try_more); }
+ bool TryWrite(const Data d, const bool try_more = true) { return queue_.push_back(d, try_more); }
+
+private:
+ robust::AtomicQueue<Power, Data> queue_;
};
} // namespace bhome_shm
--
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