* win32/win32.c (init_stdhandle): stderr should be without buffering,

	  but mswin32 use buffering when stderr is not connected to tty.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12282 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/win32/win32.c b/win32/win32.c
index 090cf20d0b..663136619f 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -1754,6 +1754,7 @@ init_stdhandle(void)
 	stderr->_file = open_null(2);
     }
     if (nullfd >= 0 && !keep) close(nullfd);
+    setvbuf(stderr, NULL, _IONBF, 0);
 }
 #else