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osio.h
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2000-12-05
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/* -*-C-*-
$Id: osio.h,v 1.15 2000/12/05 21:23:47 cph Exp $
Copyright (c) 1990-2000 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.
*/
#ifndef SCM_OSIO_H
#define SCM_OSIO_H
#include "os.h"
/* Must match definition of `channel_type_names' in "prosio.c". */
enum channel_type
{
channel_type_unknown,
channel_type_file,
channel_type_unix_pipe,
channel_type_unix_fifo,
channel_type_terminal,
channel_type_unix_pty_master,
channel_type_unix_stream_socket,
channel_type_tcp_stream_socket,
channel_type_tcp_server_socket,
channel_type_directory,
channel_type_unix_character_device,
channel_type_unix_block_device,
channel_type_os2_console,
channel_type_os2_unnamed_pipe,
channel_type_os2_named_pipe,
channel_type_win32_anonymous_pipe,
channel_type_win32_named_pipe
};
extern size_t OS_channel_table_size;
#define NO_CHANNEL OS_channel_table_size
extern int EXFUN (OS_channel_open_p, (Tchannel channel));
extern void EXFUN (OS_channel_close, (Tchannel channel));
extern void EXFUN (OS_channel_close_noerror, (Tchannel channel));
extern void EXFUN (OS_channel_close_on_abort, (Tchannel channel));
extern enum channel_type EXFUN (OS_channel_type, (Tchannel channel));
extern size_t EXFUN
(OS_channel_read_load_file, (Tchannel channel, PTR buffer, size_t nbytes));
extern size_t EXFUN
(OS_channel_write_dump_file,
(Tchannel channel, CONST PTR buffer, size_t nbytes));
extern long EXFUN
(OS_channel_read, (Tchannel channel, PTR buffer, size_t nbytes));
extern long EXFUN
(OS_channel_write, (Tchannel channel, CONST PTR buffer, size_t nbytes));
extern void EXFUN
(OS_channel_write_string, (Tchannel channel, CONST char * string));
extern void EXFUN
(OS_make_pipe, (Tchannel * readerp, Tchannel * writerp));
extern int EXFUN (OS_channel_nonblocking_p, (Tchannel channel));
extern void EXFUN (OS_channel_nonblocking, (Tchannel channel));
extern void EXFUN (OS_channel_blocking, (Tchannel channel));
#ifdef __WIN32__
extern int OS_have_select_p;
#else
extern CONST int OS_have_select_p;
#endif
#endif /* SCM_OSIO_H */