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* tty.h (tty::create_inuse): Add new parameter to allow non-

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inheritable 'inuse' events.
* tty.cc (tty::create_inuse): Use new parameter.
* fhandler_tty.cc (fhandler_tty_master::init): Ditto.
* fhandler_tty.cc (fhandler_pty_master::open): Ditto.
* fhandler_tty.cc (fhandler_tty_master::init): Create master_alive
event.
* tty.cc (tty_list::terminate): Close master_alive event.
* fhandler_tty.cc (fhandler_tty_common::close): Send EOF to slaves
when master side is closed.
This commit is contained in:
Egor Duda
2001-03-19 18:27:37 +00:00
parent 98750a8404
commit 78ace8a7e5
4 changed files with 29 additions and 5 deletions
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14
winsup/cygwin/fhandler_tty.cc
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@@ -61,6 +61,8 @@ fhandler_tty_master::init (int ntty)
cygwin_shared->tty[ttynum]->common_init (this);
inuse = get_ttyp ()->create_inuse (TTY_MASTER_ALIVE, FALSE);
h = makethread (process_input, NULL, 0, "ttyin");
if (h == NULL)
{
@@ -482,7 +484,7 @@ fhandler_tty_slave::open (const char *, int flags, mode_t)
/* FIXME: Needs a method to eliminate tty races */
{
acquire_output_mutex (500);
inuse = get_ttyp ()->create_inuse (TTY_SLAVE_ALIVE);
inuse = get_ttyp ()->create_inuse (TTY_SLAVE_ALIVE, TRUE);
get_ttyp ()->was_opened = TRUE;
release_output_mutex ();
}
@@ -947,7 +949,7 @@ fhandler_pty_master::open (const char *, int flags, mode_t)
return 0;
cygwin_shared->tty[ttynum]->common_init (this);
inuse = get_ttyp ()->create_inuse (TTY_MASTER_ALIVE);
inuse = get_ttyp ()->create_inuse (TTY_MASTER_ALIVE, FALSE);
set_flags (flags);
termios_printf ("opened pty master tty%d<%p>", ttynum, this);
@@ -969,6 +971,14 @@ fhandler_tty_common::close ()
termios_printf ("CloseHandle (output_mutex<%p>), %E", output_mutex);
if (!ForceCloseHandle (input_mutex))
termios_printf ("CloseHandle (input_mutex<%p>), %E", input_mutex);
/* Send EOF to slaves if master side is closed */
if (!get_ttyp ()->master_alive ())
{
termios_printf ("no more masters left. sending EOF" );
SetEvent (input_available_event);
}
if (!ForceCloseHandle (input_available_event))
termios_printf ("CloseHandle (input_available_event<%p>), %E", input_available_event);
if (!ForceCloseHandle1 (get_handle (), from_pty))