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* [newlib-cygwin] Cygwin: pty: Discard input in from_master_nat pipe on signal as well.
@ 2022-02-13 15:18 Takashi Yano
0 siblings, 0 replies; only message in thread
From: Takashi Yano @ 2022-02-13 15:18 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=c4704c7c204e377859f657a3b06c112133adff09
commit c4704c7c204e377859f657a3b06c112133adff09
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date: Sun Feb 13 02:16:32 2022 +0900
Cygwin: pty: Discard input in from_master_nat pipe on signal as well.
- Currently, pty discards input only in from_master pipe on signal.
Due to this, if pty is started without pseudo console support and
start a non-cygwin process from cmd.exe, type adhead input is not
discarded on signals such as Ctrl-C. This patch fixes the issue.
Diff:
---
winsup/cygwin/fhandler_tty.cc | 3 +++
1 file changed, 3 insertions(+)
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 7e733e49a..8c9a10c23 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -438,6 +438,9 @@ fhandler_pty_master::discard_input ()
while (::bytes_available (bytes_in_pipe, from_master) && bytes_in_pipe)
ReadFile (from_master, buf, sizeof(buf), &n, NULL);
ResetEvent (input_available_event);
+ if (!get_ttyp ()->pcon_activated)
+ while (::bytes_available (bytes_in_pipe, from_master_nat) && bytes_in_pipe)
+ ReadFile (from_master_nat, buf, sizeof(buf), &n, NULL);
get_ttyp ()->discard_input = true;
ReleaseMutex (input_mutex);
}
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2022-02-13 15:18 [newlib-cygwin] Cygwin: pty: Discard input in from_master_nat pipe on signal as well Takashi Yano
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