+2003-11-08 Hrvoje Niksic <hniksic@xemacs.org>
+
+ * connect.c (register_extended): Check that fd >= 0.
+
2003-11-07 Hrvoje Niksic <hniksic@xemacs.org>
* connect.c (LAZY_RETRIEVE_INFO): Set LAST_INFO.
register_extended (int fd, xreader_t reader, xwriter_t writer,
xpoller_t poller, xcloser_t closer, void *ctx)
{
- struct extended_info *info = xnew (struct extended_info);
+ struct extended_info *info;
+
+ /* The file descriptor must be non-negative to be registered.
+ Negative values are ignored by xclose(), and -1 cannot be used as
+ hash key. */
+ assert (fd >= 0);
+
+ info = xnew (struct extended_info);
info->reader = reader;
info->writer = writer;
info->poller = poller;