[newlib-cygwin] Cygwin: pty: Fix Ctrl-C behaviour in latest GDB.
Takashi Yano
tyan0@sourceware.org
Mon Apr 18 12:03:42 GMT 2022
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=0a67adb0f518b1590bd94cdf98bed60888156bed
commit 0a67adb0f518b1590bd94cdf98bed60888156bed
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date: Mon Apr 18 20:07:48 2022 +0900
Cygwin: pty: Fix Ctrl-C behaviour in latest GDB.
- In the latest GDB (11.2-1), Ctrl-C behaviour is broken a bit for
non-cygwin inferior. For example, Ctrl-C on GDB prompt is not sent
to GDB but to the inferior. This patch fixes the issue.
Diff:
---
winsup/cygwin/fhandler_termios.cc | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/fhandler_termios.cc b/winsup/cygwin/fhandler_termios.cc
index 5cd44d7bf..4eff5eab3 100644
--- a/winsup/cygwin/fhandler_termios.cc
+++ b/winsup/cygwin/fhandler_termios.cc
@@ -350,7 +350,8 @@ fhandler_termios::process_sigs (char c, tty* ttyp, fhandler_termios *fh)
cygwin apps started from non-cygwin shell. */
if (c == '\003' && p && p->ctty == ttyp->ntty && p->pgid == pgid
&& ((p->process_state & PID_NOTCYGWIN)
- || (p->exec_dwProcessId == p->dwProcessId)
+ || ((p->exec_dwProcessId == p->dwProcessId)
+ && ttyp->pty_input_state_eq (tty::to_nat))
|| !(p->process_state & PID_CYGPARENT)))
{
/* Ctrl-C event will be sent only to the processes attaching
@@ -406,6 +407,7 @@ fhandler_termios::process_sigs (char c, tty* ttyp, fhandler_termios *fh)
with_debugger = true; /* inferior is cygwin app */
if (!(p->process_state & PID_NOTCYGWIN)
&& (p->exec_dwProcessId == p->dwProcessId) /* Check marker */
+ && ttyp->pty_input_state_eq (tty::to_nat)
&& p->pid == pgid)
with_debugger_nat = true; /* inferior is non-cygwin app */
}
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