diff options
| -rw-r--r-- | Doc/lib/libsocket.tex | 9 | ||||
| -rw-r--r-- | Modules/socketmodule.c | 5 |
2 files changed, 8 insertions, 6 deletions
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex index 04d467a..c7b656d 100644 --- a/Doc/lib/libsocket.tex +++ b/Doc/lib/libsocket.tex @@ -317,10 +317,11 @@ Availability: \UNIX. \versionadded{2.4} \end{funcdesc} \begin{funcdesc}{fromfd}{fd, family, type\optional{, proto}} -Build a socket object from an existing file descriptor (an integer as -returned by a file object's \method{fileno()} method). Address family, -socket type and protocol number are as for the \function{socket()} function -above. The file descriptor should refer to a socket, but this is not +Duplicate the file descriptor \var{fd} (an integer as returned by a file +object's \method{fileno()} method) and build a socket object from the +result. Address family, socket type and protocol number are as for the +\function{socket()} function above. +The file descriptor should refer to a socket, but this is not checked --- subsequent operations on the object may fail if the file descriptor is invalid. This function is rarely needed, but can be used to get or set socket options on a socket passed to a program as diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c index 6ba076a..af46921 100644 --- a/Modules/socketmodule.c +++ b/Modules/socketmodule.c @@ -3168,7 +3168,8 @@ socket_fromfd(PyObject *self, PyObject *args) PyDoc_STRVAR(fromfd_doc, "fromfd(fd, family, type[, proto]) -> socket object\n\ \n\ -Create a socket object from the given file descriptor.\n\ +Create a socket object from a duplicate of the given\n\ +file descriptor.\n\ The remaining arguments are the same as for socket()."); #endif /* NO_DUP */ @@ -4052,7 +4053,7 @@ init_socket(void) PyModule_AddIntConstant(m, "NETLINK_IP6_FW", NETLINK_IP6_FW); PyModule_AddIntConstant(m, "NETLINK_DNRTMSG", NETLINK_DNRTMSG); PyModule_AddIntConstant(m, "NETLINK_TAPBASE", NETLINK_TAPBASE); -#endif +#endif /* AF_NETLINK */ #ifdef AF_ROUTE /* Alias to emulate 4.4BSD */ PyModule_AddIntConstant(m, "AF_ROUTE", AF_ROUTE); |