扫一扫
分享文章到微信
扫一扫
关注官方公众号
至顶头条
作者:谢启东编译 来源:天极开发 2007年11月14日
关键字:
using namespace System; using namespace System::Threading; static bool interlocked = false; const int maxCount = 10000000; /*1*/ static long long value = 0; void TMain() { if (interlocked) { for (int i = 1; i <= maxCount; ++i) { /*2*/ Interlocked::Increment(value); } } else { for (int i = 1; i <= maxCount; ++i) { /*3*/ ++value; } } } int main(array<String^>^ argv) { if (argv->Length == 1) { if (argv[0]->Equals("Y") || argv[0]->Equals("y")) { interlocked = true; } } /*4*/ Thread^ t1 = gcnew Thread(gcnew ThreadStart(&TMain)); Thread^ t2 = gcnew Thread(gcnew ThreadStart(&TMain)); Thread^ t3 = gcnew Thread(gcnew ThreadStart(&TMain)); t1->Start(); t2->Start(); t3->Start(); t1->Join(); t2->Join(); t3->Join(); Console::WriteLine("After {0} operations, value = {1}", 3 * maxCount, value); } |
After 30000000 operations, value = 14323443 After 30000000 operations, value = 24521969 After 30000000 operations, value = 20000000 After 30000000 operations, value = 24245882 After 30000000 operations, value = 25404963 |
After 30000000 operations, value = 30000000 |
如果您非常迫切的想了解IT领域最新产品与技术信息,那么订阅至顶网技术邮件将是您的最佳途径之一。
现场直击|2021世界人工智能大会
直击5G创新地带,就在2021MWC上海
5G已至 转型当时——服务提供商如何把握转型的绝佳时机
寻找自己的Flag
华为开发者大会2020(Cloud)- 科技行者