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线程安全阻塞队列SafeBlockQueue类,提供阻塞和非阻塞版的入队入队和出队接口,并提供可最追踪任务完成状态的的SafeBlockQueueTracking类。
#include <safe_block_queue.h>
#include <thread>
#include <functional>
#include <iostream>
#include "../include/safe_block_queue.h"
using namespace OHOS;
using namespace std;
constexpr int SIZE = 10;
class ProductsLine
{
public:
ProductsLine(int maxSize) : que(maxSize) {}
void Produce()
{
for (int i = 0; i < SIZE + 1; i++) {
que.Push(i);
cout << "Add " << i << " to the line" << endl;
}
}
void Consume()
{
for (int i = 0; i < SIZE + 1; i++) {
int out = que.Pop();
cout << "Get " << out << " from the line" << endl;
}
}
int remains()
{
return que.Size();
}
private:
SafeBlockQueue<int> que;
};
int main()
{
ProductsLine line(SIZE);
thread producer(bind(&ProductsLine::Produce, ref(line)));
this_thread::sleep_for(chrono::milliseconds(1));
thread consumer(bind(&ProductsLine::Consume, ref(line)));
this_thread::sleep_for(chrono::milliseconds(1));
producer.join();
consumer.join();
if (line.remains()==0) {
cout << line.remains() << " elements remains in the queue. Synchronizing success." <<endl;
}
}
#include <thread>
#include <functional>
#include <iostream>
#include "../include/safe_block_queue.h"
using namespace OHOS;
using namespace std;
constexpr int SIZE = 10;
class ProductsLine
{
public:
ProductsLine(int maxSize) : que(maxSize) {}
void Produce()
{
for (int i = 0; i < SIZE + 1; i++) {
que.Push(i);
cout << "Add " << i << " to the line" << endl;
}
}
void Consume()
{
for (int i = 0; i < SIZE + 1; i++) {
int out = que.Pop();
cout << "Get " << out << " from the line" << endl;
que.OneTaskDone();
}
}
void Join()
{
que.Join();
}
int UnfinishTaskNum()
{
return que.GetUnfinishTaskNum();
}
private:
SafeBlockQueueTracking<int> que;
};
int main()
{
ProductsLine line(SIZE);
thread producer(bind(&ProductsLine::Produce, ref(line)));
this_thread::sleep_for(chrono::milliseconds(1));
thread consumer(bind(&ProductsLine::Consume, ref(line)));
this_thread::sleep_for(chrono::milliseconds(1));
line.Join();
producer.join();
consumer.join();
if (line.UnfinishTaskNum()==0) {
cout << line.UnfinishTaskNum() << " elements remains in the queue. Synchronizing success." <<endl;
}
}
测试用例代码参见base/test/unittest/common/utils_safe_block_queue_test.cpp 和 base/test/unittest/common/utils_safe_block_queue_tracking.cpp
使用开发者自测试框架,使用方法参见:开发自测试执行框架-测试用例执行
使用以下具体命令以运行safe_block_queue.h
对应测试用例
run -t UT -tp utils -ts UtilsSafeBlockQueueTest
# or
run -t UT -tp utils -ts UtilsSafeBlockQueueTrackingTest