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/* Definitions for asynchronous process control in XEmacs.
Copyright (C) 1985, 1992, 1993, 1994 Free Software Foundation, Inc.
This file is part of XEmacs.
XEmacs 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, or (at your option) any
later version.
XEmacs 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 XEmacs; see the file COPYING. If not, write to the Free
Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Synched up with: FSF 19.28. */
#ifndef _XEMACS_PROCESS_H_
#define _XEMACS_PROCESS_H_
#if defined (NO_SUBPROCESSES)
#undef XPROCESS
#undef CHECK_PROCESS
#undef XSETPROCESS
#define PROCESSP(x) 0
#define Fprocess_status(x) Qnil
#define Fget_process(x) Qnil
#define Fget_buffer_process(x) Qnil
#define kill_buffer_processes(x) 0
#define close_process_descs() 0
#define init_xemacs_process() 0
extern void wait_without_blocking (void);
#else /* not NO_SUBPROCESSES */
/* Only process.c needs to know about the guts of this */
struct Lisp_Process;
DECLARE_LRECORD (process, struct Lisp_Process);
#define XPROCESS(x) XRECORD (x, process, struct Lisp_Process)
#define XSETPROCESS(x, p) XSETRECORD (x, p, process)
#define PROCESSP(x) RECORDP (x, process)
#define CHECK_PROCESS(x, i) CHECK_RECORD (x, process)
#ifdef emacs
extern Lisp_Object Fget_process (Lisp_Object name);
extern Lisp_Object Fget_buffer_process (Lisp_Object name);
extern Lisp_Object Fprocessp (Lisp_Object object);
extern Lisp_Object Fprocess_status (Lisp_Object process);
extern Lisp_Object Fkill_process (Lisp_Object process,
Lisp_Object current_group);
extern Lisp_Object Fdelete_process (Lisp_Object process);
extern Lisp_Object Fopen_network_stream_internal (Lisp_Object name,
Lisp_Object buffer,
Lisp_Object host,
Lisp_Object service);
extern Lisp_Object Fprocess_kill_without_query (Lisp_Object, Lisp_Object);
extern Lisp_Object connect_to_file_descriptor (Lisp_Object name,
Lisp_Object buffer,
Lisp_Object infd,
Lisp_Object outfd);
extern int connected_via_filedesc_p (struct Lisp_Process *p);
extern void kill_buffer_processes (Lisp_Object buffer);
extern void close_process_descs (void);
extern void set_process_filter (Lisp_Object proc,
Lisp_Object filter, int filter_does_read);
/* True iff we are about to fork off a synchronous process or if we
are waiting for it. */
extern volatile int synch_process_alive;
/* Nonzero => this is a string explaining death of synchronous subprocess. */
extern CONST char *synch_process_death;
/* If synch_process_death is zero,
this is exit code of synchronous subprocess. */
extern int synch_process_retcode;
extern void update_process_status (Lisp_Object p,
Lisp_Object status_symbol,
int exit_code, int core_dumped);
extern void get_process_file_descriptors (struct Lisp_Process *p,
int *infd, int *outfd);
extern struct Lisp_Process *get_process_from_input_descriptor (int infd);
#ifdef HAVE_SOCKETS
extern int network_connection_p (Lisp_Object process);
#else
#define network_connection_p(x) 0
#endif
extern Lisp_Object Qrun, Qexit, Qopen, Qclosed;
/* Report all recent events of a change in process status
(either run the sentinel or output a message).
This is done while Emacs is waiting for keyboard input. */
extern void status_notify (void);
extern void kick_status_notify (void);
extern void deactivate_process (Lisp_Object proc);
#ifdef VMS
extern void create_process (Lisp_Object process, char **new_argv,
CONST char *current_dir);
#endif
extern void child_setup (int in, int out, int err,
char **new_argv, char **env,
CONST char *current_dir);
extern Charcount read_process_output (Lisp_Object proc);
extern CONST char *signal_name (int signum);
#endif /* not NO_SUBPROCESSES */
/* The name of the file open to get a null file, or a data sink.
VMS, MS-DOS, and OS/2 redefine this. */
#ifndef NULL_DEVICE
#define NULL_DEVICE "/dev/null"
#endif
/* A string listing the possible suffixes used for executable files,
separated by colons. VMS, MS-DOS, and OS/2 redefine this. */
#ifndef EXEC_SUFFIXES
#define EXEC_SUFFIXES ""
#endif
#endif /* emacs */
#endif /* _XEMACS_PROCESS_H_ */
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