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prospty.c
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1999-01-02
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/* -*-C-*-
$Id: prospty.c,v 1.4 1999/01/02 06:11:34 cph Exp $
Copyright (c) 1992-1999 Massachusetts Institute of Technology
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Primitives to control terminal devices. */
#include "scheme.h"
#include "prims.h"
#include "osterm.h"
#include "osio.h"
#include "ospty.h"
static Tchannel
DEFUN (arg_pty_master, (arg), unsigned int arg)
{
Tchannel channel = (arg_channel (1));
if ((OS_channel_type (channel)) != channel_type_unix_pty_master)
error_bad_range_arg (1);
return (channel);
}
DEFINE_PRIMITIVE ("OPEN-PTY-MASTER", Prim_open_pty_master, 0, 0,
"Open a PTY master, returning the master's channel and the slave's name.\n\
Returns a vector #(CHANNEL MASTER-NAME SLAVE-NAME).")
{
PRIMITIVE_HEADER (0);
{
Tchannel channel;
CONST char * master_name;
CONST char * slave_name =
(OS_open_pty_master ((&channel), (&master_name)));
transaction_begin ();
OS_channel_close_on_abort (channel);
{
SCHEME_OBJECT vector = (allocate_marked_vector (TC_VECTOR, 3, 1));
VECTOR_SET (vector, 0, (long_to_integer (channel)));
VECTOR_SET (vector, 1,
(char_pointer_to_string ((unsigned char *) master_name)));
VECTOR_SET (vector, 2,
(char_pointer_to_string ((unsigned char *) slave_name)));
transaction_commit ();
PRIMITIVE_RETURN (vector);
}
}
}
DEFINE_PRIMITIVE ("PTY-MASTER-SEND-SIGNAL", Prim_pty_master_send_signal, 2, 2,
"Send a signal to PTY-MASTER; second arg says which one.")
{
PRIMITIVE_HEADER (2);
OS_pty_master_send_signal ((arg_pty_master (1)),
(arg_nonnegative_integer (2)));
PRIMITIVE_RETURN (UNSPECIFIC);
}
DEFINE_PRIMITIVE ("PTY-MASTER-KILL", Prim_pty_master_kill, 1, 1, 0)
{
PRIMITIVE_HEADER (1);
OS_pty_master_kill (arg_pty_master (1));
PRIMITIVE_RETURN (UNSPECIFIC);
}
DEFINE_PRIMITIVE ("PTY-MASTER-STOP", Prim_pty_master_stop, 1, 1, 0)
{
PRIMITIVE_HEADER (1);
OS_pty_master_stop (arg_pty_master (1));
PRIMITIVE_RETURN (UNSPECIFIC);
}
DEFINE_PRIMITIVE ("PTY-MASTER-CONTINUE", Prim_pty_master_continue, 1, 1, 0)
{
PRIMITIVE_HEADER (1);
OS_pty_master_continue (arg_pty_master (1));
PRIMITIVE_RETURN (UNSPECIFIC);
}
DEFINE_PRIMITIVE ("PTY-MASTER-INTERRUPT", Prim_pty_master_interrupt, 1, 1, 0)
{
PRIMITIVE_HEADER (1);
OS_pty_master_interrupt (arg_pty_master (1));
PRIMITIVE_RETURN (UNSPECIFIC);
}
DEFINE_PRIMITIVE ("PTY-MASTER-QUIT", Prim_pty_master_quit, 1, 1, 0)
{
PRIMITIVE_HEADER (1);
OS_pty_master_quit (arg_pty_master (1));
PRIMITIVE_RETURN (UNSPECIFIC);
}
DEFINE_PRIMITIVE ("PTY-MASTER-HANGUP", Prim_pty_master_hangup, 1, 1, 0)
{
PRIMITIVE_HEADER (1);
OS_pty_master_hangup (arg_pty_master (1));
PRIMITIVE_RETURN (UNSPECIFIC);
}