* win32/win32.c (ioctl): should set errno.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9390 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri Oct 14 22:05:45 2005  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* win32/win32.c (ioctl): should set errno.
+
 Fri Oct 14 16:39:37 2005  GOTOU Yuuzou  <gotoyuzo@notwork.org>
 
 	* lib/webrick/config.rb (Config::FileHandler): :UserDir should be nil.

win32/win32.c

@@ -1839,6 +1839,7 @@ setgid(rb_gid_t gid)
 int
 ioctl(int i, int u, ...)
 {
+    errno = EINVAL;
     return -1;
 }