当连接因keepalive事件而中断时，aix/linux上返回的错误是什么？是不是可以区别于其他套接字错误的唯一错误码？在Windows上，这可以是WSAECONNRESETorWSAENETRESET.有没有办法在返回WSAECONNRESET时区分由于keepalive事件导致的错误？WSAECONNRESET10054Connectionresetbypeer.Anexistingconnectionwasforciblyclosedbytheremotehost.Thisnormallyresultsifthepeerapplicationontheremotehostiss