Webbthe peer has performed an orderly shutdown. Ref ( http://linux.die.net/man/2/recv) ZMQ … Webb9 juni 2024 · 把client_socket设置成了非阻塞，然后recv如果返回0了，说明remote socket is closed. When a stream socket peer has performed an orderly shutdown, the. return value will be 0 (the traditional "end-of-file" return). Linux man.

recv () socket function returning data with length as 0

Webb18 mars 2012 · You can't do much but close the socket at this point, unless you know the … WebbA graceful shutdown is when a computer is turned off by software function and the operating system ( OS) is allowed to perform its tasks of safely shutting down processes and closing connections. A hard shutdown is when the computer is forcibly shut down by interruption of power. Graceful shutdowns are generally performed intentionally by users … chrome type blender

What do send () and recv () return when a connection is open but …

What the manpage means here is, orderly shutdown is done by one end (A) choosing to call shutdown(SHUT_WR), which causes a FIN packet to be sent to the peer (B), and this packet takes the form of a 0 return code from recv inside B. (Note: the FIN packet, being an implementation aspect, is not mentioned by the manpage). WebbYour receiving code will not know whether or not the sender has closed its socket, it only … WebbThe local end has been shut down on a connection oriented socket. In this case the process will also receive a SIGPIPE unless MSG_NOSIGNAL is set. ... If no data is available to be received and the peer has performed an orderly shutdown, recv() will return 0. Otherwise, on errors, -1 is returned, and `errno <#ErrnoAccess>`__ is set appropriately: chrome type document