[PATCH] Cygwin: pty: Make system_printf() work after closing pty slave.

Corinna Vinschen corinna-cygwin@cygwin.com
Tue May 19 13:28:50 GMT 2020


On May 19 20:35, Takashi Yano via Cygwin-patches wrote:
> - Current pty cannot show system_printf() output after closing pty
>   slave. This patch fixes the issue.
> ---
>  winsup/cygwin/fhandler_tty.cc | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
> index 5a1bcd3ce..02b78cd2c 100644
> --- a/winsup/cygwin/fhandler_tty.cc
> +++ b/winsup/cygwin/fhandler_tty.cc
> @@ -948,6 +948,10 @@ fhandler_pty_slave::open (int flags, mode_t)
>        init_console_handler (true);
>      }
>  
> +  get_ttyp ()->pcon_pid = 0;
> +  get_ttyp ()->switch_to_pcon_in = false;
> +  get_ttyp ()->switch_to_pcon_out = false;
> +
>    set_open_status ();
>    return 1;
>  
> @@ -1008,6 +1012,7 @@ fhandler_pty_slave::close ()
>      termios_printf ("CloseHandle (output_mutex<%p>), %E", output_mutex);
>    if (pcon_attached_to == get_minor ())
>      get_ttyp ()->num_pcon_attached_slaves --;
> +  set_switch_to_pcon (2); /* Make system_printf() work after close. */
>    return 0;
>  }
>  
> -- 
> 2.21.0

Pushed.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer


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