https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=bddb018e10e90ea300537d5a13999558b7dce476
commit bddb018e10e90ea300537d5a13999558b7dce476 Author: Takashi Yano <takashi.y...@nifty.ne.jp> Date: Wed Sep 4 10:44:24 2019 +0900 Cygwin: pty: Speed up a little hooked Win32 API for pseudo console. - Some Win32 APIs are hooked in pty code for pseudo console support. This causes slow down. This patch improves speed a little. Diff: --- winsup/cygwin/fhandler_tty.cc | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc index 4dbe96b..94ef2f8 100644 --- a/winsup/cygwin/fhandler_tty.cc +++ b/winsup/cygwin/fhandler_tty.cc @@ -155,7 +155,9 @@ DEF_HOOK (PeekConsoleInputW); #define CHK_CONSOLE_ACCESS(h) \ { \ DWORD dummy; \ - if (!isHybrid && GetConsoleMode (h, &dummy)) \ + if (!isHybrid \ + && GetFileType (h) == FILE_TYPE_CHAR \ + && GetConsoleMode (h, &dummy)) \ { \ isHybrid = true; \ set_switch_to_pcon (); \