1 /* Definitions for asynchronous process control in XEmacs.
2 Copyright (C) 1985, 1992, 1993, 1994 Free Software Foundation, Inc.
4 This file is part of XEmacs.
6 XEmacs is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 #ifndef _XEMACS_PROCESS_H_
22 #define _XEMACS_PROCESS_H_
24 #if defined (NO_SUBPROCESSES)
29 #define PROCESS_LIVE_P(x) 0
30 #define Fprocess_status(x) Qnil
31 #define Fget_process(x) Qnil
32 #define Fget_buffer_process(x) Qnil
33 #define kill_buffer_processes(x) 0
34 #define close_process_descs() 0
35 #define init_xemacs_process() 0
36 void wait_without_blocking (void);
38 #else /* not NO_SUBPROCESSES */
40 /* Only process.c needs to know about the guts of this */
43 DECLARE_LRECORD (process, struct Lisp_Process);
44 #define XPROCESS(x) XRECORD (x, process, struct Lisp_Process)
45 #define XSETPROCESS(x, p) XSETRECORD (x, p, process)
46 #define PROCESSP(x) RECORDP (x, process)
47 #define GC_PROCESSP(x) GC_RECORDP (x, process)
48 #define CHECK_PROCESS(x) CHECK_RECORD (x, process)
49 #define PROCESS_LIVE_P(x) (!NILP (XPROCESS(x)->pipe_instream))
53 EXFUN (Fprocess_kill_without_query, 2);
54 EXFUN (Fprocess_id, 1);
56 Lisp_Object connect_to_file_descriptor (Lisp_Object name,
60 int connected_via_filedesc_p (struct Lisp_Process *p);
61 void kill_buffer_processes (Lisp_Object buffer);
62 void close_process_descs (void);
64 void set_process_filter (Lisp_Object proc,
65 Lisp_Object filter, int filter_does_read);
67 /* True iff we are about to fork off a synchronous process or if we
68 are waiting for it. */
69 extern volatile int synch_process_alive;
71 /* Nonzero => this is a string explaining death of synchronous subprocess. */
72 extern CONST char *synch_process_death;
74 /* If synch_process_death is zero,
75 this is exit code of synchronous subprocess. */
76 extern int synch_process_retcode;
79 void update_process_status (Lisp_Object p,
80 Lisp_Object status_symbol,
81 int exit_code, int core_dumped);
83 void get_process_streams (struct Lisp_Process *p,
84 Lisp_Object *instr, Lisp_Object *outstr);
85 int get_process_selected_p (struct Lisp_Process *p);
86 void set_process_selected_p (struct Lisp_Process *p, int selected_p);
88 struct Lisp_Process *get_process_from_usid (USID usid);
91 int network_connection_p (Lisp_Object process);
93 #define network_connection_p(x) 0
96 extern Lisp_Object Qclosed, Qmulticast, Qopen, Qrun, Qstop, Qtcpip;
97 extern Lisp_Object Vprocess_connection_type, Vprocess_list;
99 /* Report all recent events of a change in process status
100 (either run the sentinel or output a message).
101 This is done while Emacs is waiting for keyboard input. */
102 void status_notify (void);
103 void kick_status_notify (void);
105 void deactivate_process (Lisp_Object proc);
112 child_setup (int in, int out, int err,
113 char **new_argv, CONST char *current_dir);
115 Charcount read_process_output (Lisp_Object proc);
117 CONST char *signal_name (int signum);
119 Lisp_Object canonicalize_host_name (Lisp_Object host);
121 #endif /* not NO_SUBPROCESSES */
123 /* The name of the file open to get a null file, or a data sink.
124 MS-DOS, and OS/2 redefine this. */
126 #define NULL_DEVICE "/dev/null"
129 /* A string listing the possible suffixes used for executable files,
130 separated by colons. MS-DOS, and OS/2 redefine this. */
131 #ifndef EXEC_SUFFIXES
132 #define EXEC_SUFFIXES ""
137 #endif /* _XEMACS_PROCESS_H_ */