[newlib-cygwin] Cygwin: pty: Fix Ctrl-C handling for non-cygwin apps in background.
Takashi Yano
tyan0@sourceware.org
Sun Dec 12 13:09:04 GMT 2021
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=e91ea41ef1be3d3e52c451c7bd691e0c2b7de910
commit e91ea41ef1be3d3e52c451c7bd691e0c2b7de910
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date: Sun Dec 12 21:20:47 2021 +0900
Cygwin: pty: Fix Ctrl-C handling for non-cygwin apps in background.
- With pseudo console enabled, if the non-cygwin app is started in
the background and put it into the foreground, the process cannot
be stopped by Ctrl-C. This patch fixes the issue.
Diff:
---
winsup/cygwin/fhandler_tty.cc | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 4f135839d..37e27f34a 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -2249,9 +2249,12 @@ fhandler_pty_master::write (const void *ptr, size_t len)
&mbp);
}
- if ((ti.c_lflag & ISIG) && !(ti.c_lflag & NOFLSH)
- && memchr (buf, '\003', nlen))
- get_ttyp ()->discard_input = true;
+ if ((ti.c_lflag & ISIG) && memchr (buf, '\003', nlen))
+ {
+ get_ttyp ()->kill_pgrp (SIGINT);
+ if (!(ti.c_lflag & NOFLSH))
+ get_ttyp ()->discard_input = true;
+ }
DWORD n;
WriteFile (to_slave_nat, buf, nlen, &n, NULL);
ReleaseMutex (input_mutex);
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