An opaque identifier, for canceling Timer.

过渡

Acceptor of incoming TCP connections.

not thread safe

A selectable I/O channel. This class doesn't own the file descriptor. The file descriptor could be a socket, an eventfd, a timerfd, or a signalfd

A selectable I/O channel. This class doesn't own the file descriptor. The file descriptor could be a socket, an eventfd, a timerfd, or a signalfd

倒计时计数器

Rector, at most one per thread. This is an interface class, so don't expose too much details;

格式化类

A simple embeddable HTTP server designed for report status of a program. It is not a fully HTTP 1.1 compliant server, but provides minimum features th

屏蔽SigPipe信号，防止中断输出

Wrapper of sockaddr_in. This is an POD interface class.

日志流

Base class for IO Multiplexing This class doesn't own the Channel objects.

IO Multiplexing with poll(2). This class doesn't own the Channel objects.