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428
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1 /* Processes implementation header
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2 Copyright (C) 1985, 1992, 1993, 1994 Free Software Foundation, Inc.
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853
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3 Copyright (C) 2002 Ben Wing.
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428
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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1204
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22 /* Synched up with: ????. Split out of process.h. */
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23
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428
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24 /* This file must be only included by the process implementation files:
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25 process-unix.c, process-msw.c etc. The Lisp_Process structure and other
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26 contents of this file is not exported to the rest of the world */
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27
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440
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28 #ifndef INCLUDED_procimpl_h_
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29 #define INCLUDED_procimpl_h_
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428
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30
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31 /*
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32 * Structure which keeps methods of the process implementation.
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33 * There is only one object of this class exists in a particular
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34 * XEmacs implementation.
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35 */
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36
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37 /* #### Comment me... */
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38
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39 struct process_methods
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40 {
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440
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41 void (*print_process_data) (Lisp_Process *proc, Lisp_Object printcharfun);
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42 void (*finalize_process_data) (Lisp_Process *proc, int for_disksave);
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43 void (*alloc_process_data) (Lisp_Process *p);
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44 void (*init_process_io_handles) (Lisp_Process *p,
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853
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45 void* in, void* out, void *err, int flags);
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440
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46 int (*create_process) (Lisp_Process *p,
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428
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47 Lisp_Object *argv, int nargv,
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853
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48 Lisp_Object program, Lisp_Object cur_dir,
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49 int separate_err);
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440
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50 int (*tooltalk_connection_p) (Lisp_Process *p);
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428
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51 #ifdef HAVE_SOCKETS
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52 void (*open_network_stream) (Lisp_Object name, Lisp_Object host,
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53 Lisp_Object service, Lisp_Object protocol,
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54 void** vinfd, void** voutfd);
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55 #ifdef HAVE_MULTICAST
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56 void (*open_multicast_group) (Lisp_Object name, Lisp_Object dest,
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57 Lisp_Object port, Lisp_Object ttl,
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58 void** vinfd, void** voutfd);
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59 #endif /* HAVE_MULTICAST */
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60 #endif /* HAVE_SOCKETS */
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61 Lisp_Object (*canonicalize_host_name) (Lisp_Object host);
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440
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62 int (*set_window_size) (Lisp_Process* p, int height, int width);
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428
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63 void (*send_process) (Lisp_Object proc, struct lstream* lstream);
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64 void (*reap_exited_processes) (void);
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440
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65 void (*update_status_if_terminated) (Lisp_Process* p);
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428
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66 void (*kill_child_process) (Lisp_Object proc, int signo,
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67 int current_group, int nomsg);
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68 int (*kill_process_by_pid) (int pid, int sigcode);
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69 int (*process_send_eof) (Lisp_Object proc);
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853
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70 void (*deactivate_process) (Lisp_Process *p,
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71 USID* in_usid,
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72 USID* err_usid);
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428
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73 void (*init_process) (void);
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74 };
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75
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76 extern struct process_methods the_process_methods;
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77
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78 /*
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79 * Accessors for process_methods
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80 */
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81
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82 #define HAS_PROCMETH_P(name) (the_process_methods.name != 0)
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83 #define PROCMETH(name, par) ((the_process_methods.name) par)
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84 #define PROCMETH_OR_GIVEN(name, par, given) (HAS_PROCMETH_P(name) ? PROCMETH(name, par) : (given))
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85 #define MAYBE_PROCMETH(name, par) do { if (HAS_PROCMETH_P(name)) PROCMETH(name, par); } while (0);
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86 #define MAYBE_LISP_PROCMETH(name, par) PROCMETH_OR_GIVEN(name, par, Qnil)
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87 #define MAYBE_INT_PROCMETH(name, par) PROCMETH_OR_GIVEN(name, par, 0)
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88 #define PROCESS_HAS_METHOD(os, name) the_process_methods.name = os##_##name
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89
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90 /*
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91 * Structure records pertinent information about open channels.
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92 * There is one channel associated with each process.
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93 */
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94
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95 struct Lisp_Process
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96 {
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3017
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97 struct LCRECORD_HEADER header;
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428
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98
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99 /* Exit code if process has terminated,
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100 signal which stopped/interrupted process
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101 or 0 if process is running */
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102 int exit_code;
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103 /* Non-false if process has exited and "dumped core" on its way down */
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104 char core_dumped;
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105
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2297
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106 /* #### Is this field unused? */
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428
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107 /* if this flag is not NIL, then filter will do the read on the
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108 channel, rather than having a call to make_string.
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109 This only works if the filter is a subr. */
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110 char filter_does_read;
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853
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111 /* Non-zero means kill silently if Emacs is exited. */
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428
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112 char kill_without_query;
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853
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113 char in_selected, err_selected;
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428
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114 /* Event-count of last event in which this process changed status. */
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115 volatile int tick;
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116 /* Event-count of last such event reported. */
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117 int update_tick;
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853
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118 /* Non-zero if stderr and stdout are separated. */
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119 char separate_stderr;
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428
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120
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1204
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121 #define MARKED_SLOT(x) Lisp_Object x;
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122 #include "process-slots.h"
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934
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123
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428
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124 /* Implementation dependent data */
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125 void *process_data;
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126 };
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127
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128 /* Macros to refer to data connection streams */
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129 #define DATA_INSTREAM(p) (p)->coding_instream
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130 #define DATA_OUTSTREAM(p) (p)->coding_outstream
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853
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131 #define DATA_ERRSTREAM(p) (p)->coding_errstream
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428
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132
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133 /* Random externs from process.c */
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134 extern Lisp_Object Qrun, Qstop, Qopen, Qclosed;
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135 extern Lisp_Object Qtcp, Qudp;
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136 extern Lisp_Object Vprocess_connection_type;
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137 extern Lisp_Object Vprocess_list;
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138
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139 extern struct hash_table *usid_to_process;
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140
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141 extern volatile int process_tick;
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142
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143 extern int windowed_process_io;
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144
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145 #ifdef PROCESS_IO_BLOCKING
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146 extern Lisp_Object network_stream_blocking_port_list;
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147 #endif /* PROCESS_IO_BLOCKING */
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148
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149 Lisp_Object make_process_internal (Lisp_Object name);
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440
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150 void init_process_io_handles (Lisp_Process *p, void* in,
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853
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151 void* out, void *err, int flags);
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428
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152 void send_process (Lisp_Object proc,
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153 Lisp_Object relocatable,
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867
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154 const Ibyte *nonrelocatable,
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428
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155 int start, int len);
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156
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440
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157 #endif /* INCLUDED_procimpl_h_ */
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