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comparison src/process.h @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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children 4be1180a9e89
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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 /* Synched up with: FSF 19.30. */
22
23 #ifndef _XEMACS_PROCESS_H_
24 #define _XEMACS_PROCESS_H_
25
26 #if defined (NO_SUBPROCESSES)
27 #undef XPROCESS
28 #undef CHECK_PROCESS
29 #undef XSETPROCESS
30 #define PROCESSP(x) 0
31 #define PROCESS_LIVE_P(x) 0
32 #define Fprocess_status(x) Qnil
33 #define Fget_process(x) Qnil
34 #define Fget_buffer_process(x) Qnil
35 #define kill_buffer_processes(x) 0
36 #define close_process_descs() 0
37 #define init_xemacs_process() 0
38 extern void wait_without_blocking (void);
39
40 #else /* not NO_SUBPROCESSES */
41
42 /* Only process.c needs to know about the guts of this */
43 struct Lisp_Process;
44
45 DECLARE_LRECORD (process, struct Lisp_Process);
46 #define XPROCESS(x) XRECORD (x, process, struct Lisp_Process)
47 #define XSETPROCESS(x, p) XSETRECORD (x, p, process)
48 #define PROCESSP(x) RECORDP (x, process)
49 #define GC_PROCESSP(x) GC_RECORDP (x, process)
50 #define CHECK_PROCESS(x) CHECK_RECORD (x, process)
51 #define PROCESS_LIVE_P(x) (XPROCESS(x)->infd >= 0)
52
53 #ifdef emacs
54
55 Lisp_Object Fget_process (Lisp_Object name);
56 Lisp_Object Fget_buffer_process (Lisp_Object name);
57 Lisp_Object Fprocessp (Lisp_Object object);
58 Lisp_Object Fprocess_status (Lisp_Object process);
59 Lisp_Object Fkill_process (Lisp_Object process,
60 Lisp_Object current_group);
61 Lisp_Object Fdelete_process (Lisp_Object process);
62 Lisp_Object Fopen_network_stream_internal (Lisp_Object name,
63 Lisp_Object buffer,
64 Lisp_Object host,
65 Lisp_Object service);
66 Lisp_Object Fprocess_kill_without_query (Lisp_Object, Lisp_Object);
67
68 Lisp_Object connect_to_file_descriptor (Lisp_Object name,
69 Lisp_Object buffer,
70 Lisp_Object infd,
71 Lisp_Object outfd);
72 int connected_via_filedesc_p (struct Lisp_Process *p);
73 void kill_buffer_processes (Lisp_Object buffer);
74 void close_process_descs (void);
75
76 void set_process_filter (Lisp_Object proc,
77 Lisp_Object filter, int filter_does_read);
78
79 /* True iff we are about to fork off a synchronous process or if we
80 are waiting for it. */
81 extern volatile int synch_process_alive;
82
83 /* Nonzero => this is a string explaining death of synchronous subprocess. */
84 extern CONST char *synch_process_death;
85
86 /* If synch_process_death is zero,
87 this is exit code of synchronous subprocess. */
88 extern int synch_process_retcode;
89
90
91 void update_process_status (Lisp_Object p,
92 Lisp_Object status_symbol,
93 int exit_code, int core_dumped);
94
95 void get_process_file_descriptors (struct Lisp_Process *p,
96 int *infd, int *outfd);
97 int get_process_selected_p (struct Lisp_Process *p);
98 void set_process_selected_p (struct Lisp_Process *p, int selected_p);
99
100 struct Lisp_Process *get_process_from_input_descriptor (int infd);
101
102 #ifdef HAVE_SOCKETS
103 int network_connection_p (Lisp_Object process);
104 #else
105 #define network_connection_p(x) 0
106 #endif
107
108 extern Lisp_Object Qrun, Qexit, Qopen, Qclosed;
109
110 /* Report all recent events of a change in process status
111 (either run the sentinel or output a message).
112 This is done while Emacs is waiting for keyboard input. */
113 void status_notify (void);
114 void kick_status_notify (void);
115
116 void deactivate_process (Lisp_Object proc);
117
118 #ifdef VMS
119 void create_process (Lisp_Object process, char **new_argv,
120 CONST char *current_dir);
121 #endif
122
123 void child_setup (int in, int out, int err,
124 char **new_argv, CONST char *current_dir);
125
126 Charcount read_process_output (Lisp_Object proc);
127
128 CONST char *signal_name (int signum);
129
130 Lisp_Object canonicalize_host_name (Lisp_Object host);
131
132 #endif /* not NO_SUBPROCESSES */
133
134 /* The name of the file open to get a null file, or a data sink.
135 VMS, MS-DOS, and OS/2 redefine this. */
136 #ifndef NULL_DEVICE
137 #define NULL_DEVICE "/dev/null"
138 #endif
139
140 /* A string listing the possible suffixes used for executable files,
141 separated by colons. VMS, MS-DOS, and OS/2 redefine this. */
142 #ifndef EXEC_SUFFIXES
143 #define EXEC_SUFFIXES ""
144 #endif
145
146 #endif /* emacs */
147
148 #endif /* _XEMACS_PROCESS_H_ */