diff options
| -rw-r--r-- | winsup/cygwin/fhandler_tty.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc index 260776a56..cfd4b1c44 100644 --- a/winsup/cygwin/fhandler_tty.cc +++ b/winsup/cygwin/fhandler_tty.cc @@ -1412,10 +1412,13 @@ fhandler_pty_slave::push_to_pcon_screenbuffer (const char *ptr, size_t len, while (!GetConsoleMode (get_output_handle (), &dwMode)) { termios_printf ("GetConsoleMode failed, %E"); + int errno_save = errno; /* Re-open handles */ this->open (0, 0); /* Fix pseudo console window size */ this->ioctl (TIOCSWINSZ, &get_ttyp ()->winsize); + if (errno != errno_save) + set_errno (errno_save); if (++retry_count > 3) goto cleanup; } |