From: Christopher Faylor <me@cgf.cx>
Date: Tue, 28 Sep 2004 04:41:42 +0000 (+0000)
Subject: * fhandler_termios.cc (fhandler_termios::tcsetpgrp): Disallow attempts to set
X-Git-Tag: gdb_6_3-20041019-branchpoint~53
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=e3e443e4df7faa1de17ed4b472ecf6d3068f86d1;p=newlib-cygwin.git

* fhandler_termios.cc (fhandler_termios::tcsetpgrp): Disallow attempts to set
the process group to a nonexistent process group.
---

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 75e461930..c0b6fe8ad 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2004-09-28  Christopher Faylor  <cgf@timesys.com>
+
+	* fhandler_termios.cc (fhandler_termios::tcsetpgrp): Disallow attempts
+	to set the process group to a nonexistent process group.
+
 2004-09-27  Corinna Vinschen  <corinna@vinschen.de>
 
 	* lib/_cygwin_crt0_common.cc: Revert patch from 2004-09-16.  Brakes
diff --git a/winsup/cygwin/fhandler_termios.cc b/winsup/cygwin/fhandler_termios.cc
index ecef3b8a9..4f1ce3e07 100644
--- a/winsup/cygwin/fhandler_termios.cc
+++ b/winsup/cygwin/fhandler_termios.cc
@@ -67,7 +67,7 @@ fhandler_termios::tcsetpgrp (const pid_t pgid)
 {
   termios_printf ("tty %d pgid %d, sid %d, tsid %d", tc->ntty, pgid,
 		    myself->sid, tc->getsid ());
-  if (myself->sid != tc->getsid ())
+  if (!pid_exists (pgid) || myself->sid != tc->getsid ())
     {
       set_errno (EPERM);
       return -1;