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comparison src/process.h @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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children 8de8e3f6228a
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427:0a0253eac470 428:3ecd8885ac67
1 /* Definitions for asynchronous process control in XEmacs.
2 Copyright (C) 1985, 1992, 1993, 1994 Free Software Foundation, Inc.
3
4 This file is part of XEmacs.
5
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
9 later version.
10
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
14 for more details.
15
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. */
20
21 #ifndef _XEMACS_PROCESS_H_
22 #define _XEMACS_PROCESS_H_
23
24 #if defined (NO_SUBPROCESSES)
25 #undef XPROCESS
26 #undef CHECK_PROCESS
27 #undef XSETPROCESS
28 #define PROCESSP(x) 0
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);
37
38 #else /* not NO_SUBPROCESSES */
39
40 /* Only process.c needs to know about the guts of this */
41 struct Lisp_Process;
42
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 CHECK_PROCESS(x) CHECK_RECORD (x, process)
48 #define PROCESS_LIVE_P(x) (!NILP (XPROCESS(x)->pipe_instream))
49
50 #ifdef emacs
51
52 EXFUN (Fprocess_kill_without_query, 2);
53 EXFUN (Fprocess_id, 1);
54
55 Lisp_Object connect_to_file_descriptor (Lisp_Object name,
56 Lisp_Object buffer,
57 Lisp_Object infd,
58 Lisp_Object outfd);
59 int connected_via_filedesc_p (struct Lisp_Process *p);
60 void kill_buffer_processes (Lisp_Object buffer);
61 void close_process_descs (void);
62
63 void set_process_filter (Lisp_Object proc,
64 Lisp_Object filter, int filter_does_read);
65
66 /* True iff we are about to fork off a synchronous process or if we
67 are waiting for it. */
68 extern volatile int synch_process_alive;
69
70 /* Nonzero => this is a string explaining death of synchronous subprocess. */
71 extern CONST char *synch_process_death;
72
73 /* If synch_process_death is zero,
74 this is exit code of synchronous subprocess. */
75 extern int synch_process_retcode;
76
77
78 void update_process_status (Lisp_Object p,
79 Lisp_Object status_symbol,
80 int exit_code, int core_dumped);
81
82 void get_process_streams (struct Lisp_Process *p,
83 Lisp_Object *instr, Lisp_Object *outstr);
84 int get_process_selected_p (struct Lisp_Process *p);
85 void set_process_selected_p (struct Lisp_Process *p, int selected_p);
86
87 struct Lisp_Process *get_process_from_usid (USID usid);
88
89 #ifdef HAVE_SOCKETS
90 int network_connection_p (Lisp_Object process);
91 #else
92 #define network_connection_p(x) 0
93 #endif
94
95 extern Lisp_Object Qclosed, Qmulticast, Qopen, Qrun, Qstop, Qtcp, Qudp;
96 extern Lisp_Object Vprocess_connection_type, Vprocess_list;
97
98 /* Report all recent events of a change in process status
99 (either run the sentinel or output a message).
100 This is done while Emacs is waiting for keyboard input. */
101 void status_notify (void);
102 void kick_status_notify (void);
103
104 void deactivate_process (Lisp_Object proc);
105
106 #ifdef WINDOWSNT
107 int
108 #else
109 void
110 #endif
111 child_setup (int in, int out, int err,
112 char **new_argv, CONST char *current_dir);
113
114 Charcount read_process_output (Lisp_Object proc);
115
116 CONST char *signal_name (int signum);
117
118 Lisp_Object canonicalize_host_name (Lisp_Object host);
119
120 #endif /* not NO_SUBPROCESSES */
121
122 /* The name of the file open to get a null file, or a data sink.
123 MS-DOS, and OS/2 redefine this. */
124 #ifndef NULL_DEVICE
125 #define NULL_DEVICE "/dev/null"
126 #endif
127
128 /* A string listing the possible suffixes used for executable files,
129 separated by colons. MS-DOS, and OS/2 redefine this. */
130 #ifndef EXEC_SUFFIXES
131 #define EXEC_SUFFIXES ""
132 #endif
133
134 #endif /* emacs */
135
136 #ifdef HAVE_GETPT
137 #define PTY_ITERATION
138 #define PTY_OPEN \
139 if ((fd = getpt()) < 0 || grantpt (fd) < 0 || unlockpt (fd) < 0) \
140 return -1;
141 #define PTY_NAME_SPRINTF
142 #define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ptsname (fd));
143 #endif
144
145 #endif /* _XEMACS_PROCESS_H_ */