[newlib-cygwin] Cygwin: console: Make console input work in GDB and strace.

[Ken Brown]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=aa529d00ea98a2c4f77460df1a4c6a9f97e842cb

commit aa529d00ea98a2c4f77460df1a4c6a9f97e842cb
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date:   Sat Sep 21 06:10:35 2019 +0900

    Cygwin: console: Make console input work in GDB and strace.
    
    - After commit 2232498c712acc97a38fdc297cbe53ba74d0ec2c, console
      input cause error in GDB or strace. This patch fixes this issue.

Diff:
---
 winsup/cygwin/pinfo.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/pinfo.cc b/winsup/cygwin/pinfo.cc
index ffd4c8c..35c1ffe 100644
--- a/winsup/cygwin/pinfo.cc
+++ b/winsup/cygwin/pinfo.cc
@@ -570,7 +570,7 @@ _pinfo::set_ctty (fhandler_termios *fh, int flags)
 	tc.setsid (sid);
       sid = tc.getsid ();
       /* See above */
-      if (!tc.getpgid () && pgid == pid)
+      if ((!tc.getpgid () || being_debugged ()) && pgid == pid)
 	tc.setpgid (pgid);
     }
   debug_printf ("cygheap->ctty now %p, archetype %p", cygheap->ctty, fh ? fh->archetype : NULL);