代码改变世界

C++ select

2017-09-07 10:30  雄风狂飙  阅读(833)  评论(0)    收藏  举报

 #include <sys/time.h>

      int select(int nfds, fd_set *readfds, fd_set *writefds,
           fd_set *errorfds, struct timeval *timeout);