sockets should be set close on exec

[rogerbinns]

The sockets this library makes are not marked close on exec and consequently are inherited by any child processes such as those executed by the subprocess module.

Code is:

    fd = sock.fileno()
    old_flags = fcntl.fcntl(fd, fcntl.F_GETFD)
    fcntl.fcntl(fd, fcntl.F_SETFD, old_flags | fcntl.FD_CLOEXEC)

[mtai]

Added and will be part of the next release

[agronick]

This is still open? I have to shutdown my connections like this to stop them from staying in use:

        for conn in gm_client.connection_list:
            try:
                conn.gearman_socket.shutdown(socket.SHUT_RDWR)
                conn.gearman_socket.close()
                conn._reset_connection()
            except:
                pass