Mercurial > hg > xemacs-beta
annotate src/procimpl.h @ 5927:b58b74274fa2 cygwin
changes from long ago, never committed...
author | Henry Thompson <ht@markup.co.uk> |
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date | Wed, 15 Dec 2021 19:02:33 +0000 |
parents | a216b3c2b09e |
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rev | line source |
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428 | 1 /* Processes implementation header |
2 Copyright (C) 1985, 1992, 1993, 1994 Free Software Foundation, Inc. | |
853 | 3 Copyright (C) 2002 Ben Wing. |
428 | 4 |
5 This file is part of XEmacs. | |
6 | |
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7 XEmacs is free software: you can redistribute it and/or modify it |
428 | 8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation, either version 3 of the License, or (at your |
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10 option) any later version. |
428 | 11 |
12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
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18 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
428 | 19 |
1204 | 20 /* Synched up with: ????. Split out of process.h. */ |
21 | |
428 | 22 /* This file must be only included by the process implementation files: |
23 process-unix.c, process-msw.c etc. The Lisp_Process structure and other | |
24 contents of this file is not exported to the rest of the world */ | |
25 | |
440 | 26 #ifndef INCLUDED_procimpl_h_ |
27 #define INCLUDED_procimpl_h_ | |
428 | 28 |
29 /* | |
30 * Structure which keeps methods of the process implementation. | |
31 * There is only one object of this class exists in a particular | |
32 * XEmacs implementation. | |
33 */ | |
34 | |
35 /* #### Comment me... */ | |
36 | |
37 struct process_methods | |
38 { | |
440 | 39 void (*print_process_data) (Lisp_Process *proc, Lisp_Object printcharfun); |
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40 void (*finalize_process_data) (Lisp_Process *proc); |
440 | 41 void (*alloc_process_data) (Lisp_Process *p); |
42 void (*init_process_io_handles) (Lisp_Process *p, | |
853 | 43 void* in, void* out, void *err, int flags); |
440 | 44 int (*create_process) (Lisp_Process *p, |
428 | 45 Lisp_Object *argv, int nargv, |
853 | 46 Lisp_Object program, Lisp_Object cur_dir, |
47 int separate_err); | |
440 | 48 int (*tooltalk_connection_p) (Lisp_Process *p); |
428 | 49 #ifdef HAVE_SOCKETS |
50 void (*open_network_stream) (Lisp_Object name, Lisp_Object host, | |
51 Lisp_Object service, Lisp_Object protocol, | |
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52 void** vinfd, void** voutfd, Boolint tls); |
428 | 53 #ifdef HAVE_MULTICAST |
54 void (*open_multicast_group) (Lisp_Object name, Lisp_Object dest, | |
55 Lisp_Object port, Lisp_Object ttl, | |
56 void** vinfd, void** voutfd); | |
57 #endif /* HAVE_MULTICAST */ | |
58 #endif /* HAVE_SOCKETS */ | |
59 Lisp_Object (*canonicalize_host_name) (Lisp_Object host); | |
440 | 60 int (*set_window_size) (Lisp_Process* p, int height, int width); |
428 | 61 void (*send_process) (Lisp_Object proc, struct lstream* lstream); |
62 void (*reap_exited_processes) (void); | |
440 | 63 void (*update_status_if_terminated) (Lisp_Process* p); |
428 | 64 void (*kill_child_process) (Lisp_Object proc, int signo, |
65 int current_group, int nomsg); | |
66 int (*kill_process_by_pid) (int pid, int sigcode); | |
67 int (*process_send_eof) (Lisp_Object proc); | |
853 | 68 void (*deactivate_process) (Lisp_Process *p, |
69 USID* in_usid, | |
70 USID* err_usid); | |
428 | 71 void (*init_process) (void); |
72 }; | |
73 | |
74 extern struct process_methods the_process_methods; | |
75 | |
76 /* | |
77 * Accessors for process_methods | |
78 */ | |
79 | |
80 #define HAS_PROCMETH_P(name) (the_process_methods.name != 0) | |
81 #define PROCMETH(name, par) ((the_process_methods.name) par) | |
82 #define PROCMETH_OR_GIVEN(name, par, given) (HAS_PROCMETH_P(name) ? PROCMETH(name, par) : (given)) | |
83 #define MAYBE_PROCMETH(name, par) do { if (HAS_PROCMETH_P(name)) PROCMETH(name, par); } while (0); | |
84 #define MAYBE_LISP_PROCMETH(name, par) PROCMETH_OR_GIVEN(name, par, Qnil) | |
85 #define MAYBE_INT_PROCMETH(name, par) PROCMETH_OR_GIVEN(name, par, 0) | |
86 #define PROCESS_HAS_METHOD(os, name) the_process_methods.name = os##_##name | |
87 | |
88 /* | |
89 * Structure records pertinent information about open channels. | |
90 * There is one channel associated with each process. | |
91 */ | |
92 | |
93 struct Lisp_Process | |
94 { | |
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95 NORMAL_LISP_OBJECT_HEADER header; |
428 | 96 |
97 /* Exit code if process has terminated, | |
98 signal which stopped/interrupted process | |
99 or 0 if process is running */ | |
100 int exit_code; | |
101 /* Non-false if process has exited and "dumped core" on its way down */ | |
102 char core_dumped; | |
103 | |
2297 | 104 /* #### Is this field unused? */ |
428 | 105 /* if this flag is not NIL, then filter will do the read on the |
106 channel, rather than having a call to make_string. | |
107 This only works if the filter is a subr. */ | |
108 char filter_does_read; | |
853 | 109 /* Non-zero means kill silently if Emacs is exited. */ |
428 | 110 char kill_without_query; |
853 | 111 char in_selected, err_selected; |
428 | 112 /* Event-count of last event in which this process changed status. */ |
113 volatile int tick; | |
114 /* Event-count of last such event reported. */ | |
115 int update_tick; | |
853 | 116 /* Non-zero if stderr and stdout are separated. */ |
117 char separate_stderr; | |
428 | 118 |
1204 | 119 #define MARKED_SLOT(x) Lisp_Object x; |
120 #include "process-slots.h" | |
934 | 121 |
428 | 122 /* Implementation dependent data */ |
123 void *process_data; | |
124 }; | |
125 | |
126 /* Macros to refer to data connection streams */ | |
127 #define DATA_INSTREAM(p) (p)->coding_instream | |
128 #define DATA_OUTSTREAM(p) (p)->coding_outstream | |
853 | 129 #define DATA_ERRSTREAM(p) (p)->coding_errstream |
428 | 130 |
131 /* Random externs from process.c */ | |
132 extern Lisp_Object Qrun, Qstop, Qopen, Qclosed; | |
133 extern Lisp_Object Qtcp, Qudp; | |
134 extern Lisp_Object Vprocess_connection_type; | |
135 extern Lisp_Object Vprocess_list; | |
136 | |
137 extern struct hash_table *usid_to_process; | |
138 | |
139 extern volatile int process_tick; | |
140 | |
141 extern int windowed_process_io; | |
142 | |
143 #ifdef PROCESS_IO_BLOCKING | |
144 extern Lisp_Object network_stream_blocking_port_list; | |
145 #endif /* PROCESS_IO_BLOCKING */ | |
146 | |
147 Lisp_Object make_process_internal (Lisp_Object name); | |
440 | 148 void init_process_io_handles (Lisp_Process *p, void* in, |
853 | 149 void* out, void *err, int flags); |
428 | 150 void send_process (Lisp_Object proc, |
151 Lisp_Object relocatable, | |
867 | 152 const Ibyte *nonrelocatable, |
428 | 153 int start, int len); |
154 | |
440 | 155 #endif /* INCLUDED_procimpl_h_ */ |