From 1644fdbc4aea52a63e4152ad0f5ec6a2b3d7e6ec Mon Sep 17 00:00:00 2001
From: chenshijun <chenshijun@aiotlink.com>
Date: 星期四, 02 四月 2020 13:40:46 +0800
Subject: [PATCH] shmqueue 修改参数使用的标准化
---
shmqueue.go | 26 ++++++++++++++++----------
1 files changed, 16 insertions(+), 10 deletions(-)
diff --git a/shmqueue.go b/shmqueue.go
index 489c38e..2cc6908 100644
--- a/shmqueue.go
+++ b/shmqueue.go
@@ -139,13 +139,17 @@
// Capacity queue 瀹归噺锛屾�诲ぇ灏�
func (eqi *EsQueueInfo) QueueCapacity() int {
- return int(eqi.Queue.capMod)
+ var capMod uint32
+ capMod = atomic.LoadUint32(&eqi.Queue.capMod)
+ return int(capMod)
}
// Size queue 瀹為檯澶у皬
func (eqi *EsQueueInfo) QueueSize() int {
- var putPos, getPos uint32
+ var putPos, getPos, capMod uint32
var quantity uint32
+
+ capMod = atomic.LoadUint32(&eqi.Queue.capMod)
getPos = atomic.LoadUint32(&eqi.Queue.getPos)
putPos = atomic.LoadUint32(&eqi.Queue.putPos)
@@ -153,7 +157,7 @@
quantity = putPos - getPos
} else {
//quantity = q.capMod + (putPos - getPos)
- quantity = (eqi.Queue.capMod + (putPos - getPos)) % eqi.Queue.capMod
+ quantity = (capMod + (putPos - getPos)) % capMod
}
return int(quantity)
@@ -175,10 +179,11 @@
// Put 鍗曟鍐欏叆锛屽彲鑳藉け璐�
func (eqi *EsQueueInfo) Put(val ElemInfo) (bool, int) {
- var putPos, putPosNew, getPos, posCnt uint32
+ var putPos, putPosNew, getPos, posCnt, capMod ,capacity uint32
var cache *esCache
- capMod := eqi.Queue.capMod
+ capacity = atomic.LoadUint32(&eqi.Queue.capacity)
+ capMod = atomic.LoadUint32(&eqi.Queue.capMod)
getPos = atomic.LoadUint32(&eqi.Queue.getPos)
putPos = atomic.LoadUint32(&eqi.Queue.putPos)
@@ -210,7 +215,7 @@
putNo := atomic.LoadUint32(&cache.putNo)
if putPosNew == putNo && getNo == putNo {
cache.value = val
- atomic.AddUint32(&cache.putNo, eqi.Queue.capacity)
+ atomic.AddUint32(&cache.putNo, capacity)
return true, int(posCnt + 1)
} else {
runtime.Gosched()
@@ -270,10 +275,11 @@
// Get 鍗曟鑾峰彇锛屽彲鑳藉け璐�
func (eqi *EsQueueInfo) Get() (ElemInfo, bool, int) {
- var putPos, getPos, getPosNew, posCnt uint32
+ var putPos, getPos, getPosNew, posCnt, capMod, capacity uint32
var cache *esCache
- capMod := eqi.Queue.capMod
+ capacity = atomic.LoadUint32(&eqi.Queue.capacity)
+ capMod = atomic.LoadUint32(&eqi.Queue.capMod)
putPos = atomic.LoadUint32(&eqi.Queue.putPos)
getPos = atomic.LoadUint32(&eqi.Queue.getPos)
@@ -299,10 +305,10 @@
for {
getNo := atomic.LoadUint32(&cache.getNo)
putNo := atomic.LoadUint32(&cache.putNo)
- if getPosNew == getNo && getNo == putNo-eqi.Queue.capacity {
+ if getPosNew == getNo && getNo == putNo-capacity {
val := cache.value
cache.value = ElemInfo{PicId: 0}
- atomic.AddUint32(&cache.getNo, eqi.Queue.capacity)
+ atomic.AddUint32(&cache.getNo, capacity)
return val, true, int(posCnt - 1)
} else {
runtime.Gosched()
--
Gitblit v1.8.0