Programmer Group

catalogue 1, Concept 2, select function         2.1 function prototype          2.2 detailed introduction of parameters                 2.2.1 nfd                 2.2.2readfds，writefds，errorfds                 2.2.3 timeout         2.3. Ready conditions f ...

Summary Suddenly I found that my snake was not online yet, so I made up a simple online snake program. Main Implementation Requirements The server's user link logic (main loop) and game run logic (in n threads) maintain a customer information vector s and a game information map. A match can have two users (as many as possible can expand ...

IO multiplexing IO reuse is a very important technology in linux system. I think the understanding of reuse here is that a single process or thread can process multiple IOS in a certain mode, rather than one process or thread only processes one io. Generally, when processing socket communication, a thread or process either blocks and waits the ...