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_queue.h | 26 +++++++++++++++++++++++---
1 files changed, 23 insertions(+), 3 deletions(-)
diff --git a/src/shm_queue.h b/src/shm_queue.h
index c7d3a23..0041f16 100644
--- a/src/shm_queue.h
+++ b/src/shm_queue.h
@@ -19,15 +19,18 @@
#ifndef SHM_QUEUE_JE0OEUP3
#define SHM_QUEUE_JE0OEUP3
+#include "robust.h"
#include "shm.h"
#include <atomic>
+#include <boost/circular_buffer.hpp>
#include <chrono>
namespace bhome_shm
{
template <class D>
-using Circular = robust::CircularBuffer<D, Allocator<D>>;
+using Circular = boost::circular_buffer<D, Allocator<D>>;
+// using Circular = robust::CircularBuffer<D, Allocator<D>>;
template <class D>
class SharedQueue
@@ -49,8 +52,25 @@
} while (steady_clock::now() < end_time);
return false;
}
- bool TryRead(D &d) { return queue_.pop_front(d); }
- bool TryWrite(const D &d) { return queue_.push_back(d); }
+ bool TryRead(D &d)
+ {
+ if (!queue_.empty()) {
+ d = queue_.front();
+ queue_.pop_front();
+ return true;
+ } else {
+ return false;
+ }
+ }
+ bool TryWrite(const D &d)
+ {
+ if (!queue_.full()) {
+ queue_.push_back(d);
+ return true;
+ } else {
+ return false;
+ }
+ }
private:
Circular<D> queue_;
--
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