socket on server is still open after client closed socket

[freddycct]

On server

julia> server = listen(2000)
TcpServer(active)

julia> socket = accept(server)

On client

julia> cl_socket = connect(2000)
TcpSocket(open, 0 bytes waiting)

julia> isopen(cl_socket)
true

On server

julia> isopen(socket)
true

On client

julia> close(cl_socket)

julia> isopen(cl_socket)
false

On server

julia> isopen(socket)
true

isopen(stream) → Bool
Determine whether a stream is open (i.e. has not been closed yet). If the connection has been closed remotely (in case of e.g. a socket), isopen will return false

[vtjnash]

this is correct. the question of whether a socket is open is a weak and generally useless statement, it may be worth considering un-exporting the isopen function. a better question in general is whether the stream has set end-of-file (whether it can be read). as a side effect, eof will determine set the isopen flag to false, so that future calls to eof will be able to return quickly.

julia> eof(socket)
true

julia> isopen(socket)
false

help?> isopen
search: isopen

Base.isopen(stream) -> Bool

   Determine whether a stream is open (i.e. has not been closed yet).
   If the connection has been closed remotely (in case of e.g. a
   socket), "isopen" will return "false" even though buffered data
   may still be available. Use "eof" to check if necessary.