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Diffstat (limited to 'winsup/cygwin/fhandler_tty.cc')
-rw-r--r--winsup/cygwin/fhandler_tty.cc14
1 files changed, 14 insertions, 0 deletions
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 0109d45..c716030 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -26,6 +26,7 @@ details. */
#include <asm/socket.h>
#include "cygwait.h"
#include "tls_pbuf.h"
+#include "registry.h"
#define ALWAYS_USE_PCON false
#define USE_API_HOOK true
@@ -3104,6 +3105,19 @@ is_running_as_service (void)
bool
fhandler_pty_master::setup_pseudoconsole ()
{
+ /* If the legacy console mode is enabled, pseudo console seems
+ not to work as expected. To determine console mode, registry
+ key ForceV2 in HKEY_CURRENT_USER\Console is checked. */
+ reg_key reg (HKEY_CURRENT_USER, KEY_READ, L"Console", NULL);
+ if (reg.error ())
+ return false;
+ if (reg.get_dword (L"ForceV2", 1) == 0)
+ {
+ termios_printf ("Pseudo console is disabled "
+ "because the legacy console mode is enabled.");
+ return false;
+ }
+
/* Pseudo console supprot is realized using a tricky technic.
PTY need the pseudo console handles, however, they cannot
be retrieved by normal procedure. Therefore, run a helper