* cygheap.h (init_cygheap::ctty_on_hold): Remove conditionalized variable.

* dcrt0.cc (do_exit): Remove code which handled CYGWIN=tty style ttys.
* devices.in: Remove "/dev/ttym".
* dtable.cc: Rename tty to pty where appropriate throughout.
(dtable::stdio_init): Use new t->is_console rather than using now-deleted hwnd
element in tty structure.
(dtable::init_std_file_from_handle): Remove code which handled CYGWIN=tty style
ttys.
(fh_alloc): Ditto.
* fhandler.h: Rename tty to pty where appropriate.
(fhandler_pty_common): Delete output_done_event, ioctl_request_event,
ioctl_done_event.
(fhandler_pty_master::setup): Delete argument.
(fhandler_tty_master): Delete.
(fhandler_union): Delete __tty_master.
* fhandler_console.cc (use_tty): Delete.
(fhandler_console::get_tty_stuff): Set is_console to true rather than calling
sethwnd.
(fhandler_console::send_winch_maybe): Remove CYGWIN=tty considerations.
(fhandler_console::input_tcsetattr): Ditto.
* fhandler_termios.cc (fhandler_termios::tcsetpgrp): Use new t->is_console
rather than using now-deleted hwnd element in tty structure.
* fhandler_tty.cc: Rename tty to pty where appropriate throughout.
(tty_master): Delete.
(process_input): Ditto.
(process_output): Ditto.
(process_ioctl): Ditto.
(fhandler_tty_master::*): Ditto.
(fhandler_pty_master::process_slave_output): Remove CYGWIN=tty considerations.
(fhandler_pty_slave::open): Ditto for *_done_event.
(fhandler_pty_slave::write): Ditto.
(fhandler_pty_slave::ioctl): Ditto.
(fhandler_pty_slave::fch_open_handles): Ditto.
(fhandler_pty_slave::fch_set_sd): Ditto.
(fhandler_pty_slave::fch_close_handles): Ditto.
(fhandler_pty_common::close): Ditto.
(fhandler_pty_master::setup): Ditto.  Remove now-unneeded ispty parameter.
(fhandler_pty_master::open): Reflect argument removal for tty::allocate.
* select.cc: Rename tty to pty where appropriate throughout.
* sigproc.cc (proc_subproc): Remove CYGWIN=tty considerations.
* tty.cc (ttyslot): Accommodate CYGWIN=tty removal.
(tty_list::init_session): Ditto.
(tty_list::attach): Ditto.
(tty::create_master): Delete.
(tty_list::terminate): Ditto.
(tty_list::allocate): Delete "with_console" parameter.  Remove CYGWIN=tty
considerations.
(tty::init): Set is_console = false.  Use 'false' for was_opened since it is a
boolean.
* tty.h (*_{DONE,REQUEST}_EVENT): Delete.
(tty_min::is_console): Declare new field which replaces hwnd.
(tty_min::gethwnd): Delete.
(tty_min::sethwnd): Ditto.
(tty_list::allocate): Delete parameter.
(tty_list::terminate): Delete declaration.
* include/sys/cygwin.h (PID_USETTY): Redefine to PID_UNUSED1 and change comment
to reflect its availability.

winsup/cygwin/tty.h

@@ -19,9 +19,6 @@ details. */
 
 /* Input/Output/ioctl events */
 
-#define OUTPUT_DONE_EVENT	"cygtty.output.done"
-#define IOCTL_REQUEST_EVENT	"cygtty.ioctl.request"
-#define IOCTL_DONE_EVENT	"cygtty.ioctl.done"
 #define RESTART_OUTPUT_EVENT	"cygtty.output.restart"
 #define INPUT_AVAILABLE_EVENT	"cygtty.input.avail"
 #define OUTPUT_MUTEX		"cygtty.output.mutex"
@@ -50,7 +47,7 @@ public:
   int output_stopped;
   fh_devices ntty;
   DWORD last_ctrl_c;	/* tick count of last ctrl-c */
-  HWND hwnd;		/* Console window handle tty belongs to */
+  bool is_console;
 
   IMPLEMENT_STATUS_FLAG (bool, initialized)
   IMPLEMENT_STATUS_FLAG (bool, rstcons)
@@ -82,8 +79,6 @@ public:
   void setsid (pid_t tsid) {sid = tsid;}
   void kill_pgrp (int);
   int is_orphaned_process_group (int);
-  HWND gethwnd () const {return hwnd;}
-  void sethwnd (HWND wnd) {hwnd = wnd;}
   const char *ttyname () __attribute ((regparm (1)));
 };
 
@@ -125,9 +120,8 @@ class tty_list
 
 public:
   tty * operator [](int n) {return ttys + device::minor (n);}
-  int allocate (bool); /* true if allocate a tty, pty otherwise */
+  int allocate ();	/* allocate a pty */
   int connect (int);
-  void terminate ();
   void init ();
   tty_min *get_cttyp ();
   int __stdcall attach (int n) __attribute__ ((regparm (2)));