preforkserver.py 文件源码

def setCloseOnExec(sock):
        fcntl.fcntl(sock.fileno(), fcntl.F_SETFD, fcntl.FD_CLOEXEC)

# If running Python < 2.4, require eunuchs module for socket.socketpair().
# See <http://www.inoi.fi/open/trac/eunuchs>.