home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
mitsch75.zip
/
scheme-7_5_17-src.zip
/
scheme-7.5.17
/
src
/
microcode
/
ostty.c
< prev
next >
Wrap
C/C++ Source or Header
|
1999-01-02
|
2KB
|
53 lines
/* -*-C-*-
$Id: ostty.c,v 1.4 1999/01/02 06:11:34 cph Exp $
Copyright (c) 1990, 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.
*/
#include "ostty.h"
#include "osscheme.h"
static cc_t next_interrupt_char;
void
DEFUN (tty_set_next_interrupt_char, (c), cc_t c)
{
if (next_interrupt_char == '\0')
{
next_interrupt_char = c;
request_character_interrupt ();
}
}
cc_t
DEFUN_VOID (OS_tty_next_interrupt_char)
{
if (next_interrupt_char == '\0')
error_external_return ();
{
/* The interrupt character is mapped here. This provides a
chance for OS's which have only one interrupt character
and can't do I/O during an interrupt to request the
interrupt character in a safe place.
*/
cc_t result = OS_tty_map_interrupt_char(next_interrupt_char);
next_interrupt_char = '\0';
return (result);
}
}