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* [newlib-cygwin] Cygwin: pty: Speed up a little hooked Win32 API for pseudo console.
@ 2019-09-04 10:04 Corinna Vinschen
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From: Corinna Vinschen @ 2019-09-04 10:04 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=bddb018e10e90ea300537d5a13999558b7dce476
commit bddb018e10e90ea300537d5a13999558b7dce476
Author: Takashi Yano <takashi.yano@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 (); \
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