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0
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1 /* Asynchronous subprocess control for XEmacs.
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2 Copyright (C) 1985, 1986, 1987, 1988, 1992, 1993, 1994, 1995
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3 Free Software Foundation, Inc.
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4 Copyright (C) 1995 Sun Microsystems, Inc.
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5 Copyright (C) 1995, 1996 Ben Wing.
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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259
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24 /* This file has been Mule-ized except for `start-process-internal',
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25 `open-network-stream-internal' and `open-multicast-group-internal'. */
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0
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26
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263
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27 /* This file has been split into process.c and process-unix.c by
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28 Kirill M. Katsnelson <kkm@kis.ru>, so please bash him and not
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29 the original author(s) */
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30
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0
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31 #include <config.h>
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32
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33 #if !defined (NO_SUBPROCESSES)
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34
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35 /* The entire file is within this conditional */
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36
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37 #include "lisp.h"
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38
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39 #include "buffer.h"
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40 #include "commands.h"
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41 #include "events.h"
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42 #include "frame.h"
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263
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43 #include "hash.h"
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0
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44 #include "insdel.h"
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45 #include "lstream.h"
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46 #include "opaque.h"
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47 #include "process.h"
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263
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48 #include "procimpl.h"
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0
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49 #include "window.h"
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259
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50 #ifdef FILE_CODING
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51 #include "file-coding.h"
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70
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52 #endif
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0
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53
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54 #include "sysfile.h"
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55 #include "sysproc.h"
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56 #include "systime.h"
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57 #include "syssignal.h" /* Always include before systty.h */
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58 #include "systty.h"
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59 #include "syswait.h"
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60
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398
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61 Lisp_Object Qprocessp, Qprocess_live_p;
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263
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62
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63 /* Process methods */
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64 struct process_methods the_process_methods;
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65
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0
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66 /* a process object is a network connection when its pid field a cons
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67 (name of name of port we are connected to . foreign host name) */
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68
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69 /* Valid values of process->status_symbol */
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272
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70 Lisp_Object Qrun, Qstop;
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0
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71 /* Qrun => Qopen, Qexit => Qclosed for "network connection" processes */
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72 Lisp_Object Qopen, Qclosed;
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263
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73 /* Protocol families */
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398
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74 Lisp_Object Qtcp, Qudp;
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0
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75
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259
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76 #ifdef HAVE_MULTICAST
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77 Lisp_Object Qmulticast; /* Will be used for occasional warnings */
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78 #endif
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79
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0
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80 /* t means use pty, nil means use a pipe,
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81 maybe other values to come. */
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263
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82 Lisp_Object Vprocess_connection_type;
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0
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83
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278
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84 /* Read comments to DEFVAR of this */
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85 int windowed_process_io;
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86
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153
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87 #ifdef PROCESS_IO_BLOCKING
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88 /* List of port numbers or port names to set a blocking I/O mode.
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89 Nil means set a non-blocking I/O mode [default]. */
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263
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90 Lisp_Object network_stream_blocking_port_list;
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153
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91 #endif /* PROCESS_IO_BLOCKING */
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92
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0
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93 /* Number of events of change of status of a process. */
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263
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94 volatile int process_tick;
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0
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95
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96 /* Number of events for which the user or sentinel has been notified. */
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97 static int update_tick;
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98
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99 /* Nonzero means delete a process right away if it exits. */
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100 int delete_exited_processes;
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101
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380
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102 /* Hash table which maps USIDs as returned by create_stream_pair_cb to
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263
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103 process objects. Processes are not GC-protected through this! */
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380
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104 struct hash_table *usid_to_process;
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0
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105
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106 /* List of process objects. */
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107 Lisp_Object Vprocess_list;
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108
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398
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109 extern Lisp_Object Vlisp_EXEC_SUFFIXES;
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410
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110 Lisp_Object Vnull_device;
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398
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111
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0
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112
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113
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114 static Lisp_Object
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398
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115 mark_process (Lisp_Object obj)
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0
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116 {
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398
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117 Lisp_Process *proc = XPROCESS (obj);
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118 MAYBE_PROCMETH (mark_process_data, (proc));
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119 mark_object (proc->name);
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120 mark_object (proc->command);
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121 mark_object (proc->filter);
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122 mark_object (proc->sentinel);
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123 mark_object (proc->buffer);
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124 mark_object (proc->mark);
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125 mark_object (proc->pid);
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126 mark_object (proc->pipe_instream);
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127 mark_object (proc->pipe_outstream);
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263
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128 #ifdef FILE_CODING
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398
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129 mark_object (proc->coding_instream);
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130 mark_object (proc->coding_outstream);
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263
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131 #endif
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173
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132 return proc->status_symbol;
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0
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133 }
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134
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135 static void
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136 print_process (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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137 {
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398
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138 Lisp_Process *proc = XPROCESS (obj);
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185
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139
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0
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140 if (print_readably)
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141 error ("printing unreadable object #<process %s>",
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16
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142 XSTRING_DATA (proc->name));
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185
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143
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0
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144 if (!escapeflag)
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145 {
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146 print_internal (proc->name, printcharfun, 0);
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147 }
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148 else
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149 {
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150 int netp = network_connection_p (obj);
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398
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151 write_c_string ((netp ? GETTEXT ("#<network connection ") :
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0
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152 GETTEXT ("#<process ")), printcharfun);
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153 print_internal (proc->name, printcharfun, 1);
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398
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154 write_c_string ((netp ? " " : " pid "), printcharfun);
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0
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155 print_internal (proc->pid, printcharfun, 1);
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156 write_c_string (" state:", printcharfun);
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157 print_internal (proc->status_symbol, printcharfun, 1);
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263
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158 MAYBE_PROCMETH (print_process_data, (proc, printcharfun));
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0
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159 write_c_string (">", printcharfun);
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160 }
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161 }
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162
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163 #ifdef HAVE_WINDOW_SYSTEM
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398
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164 extern void debug_process_finalization (Lisp_Process *p);
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0
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165 #endif /* HAVE_WINDOW_SYSTEM */
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166
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167 static void
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168 finalize_process (void *header, int for_disksave)
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169 {
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170 /* #### this probably needs to be tied into the tty event loop */
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171 /* #### when there is one */
|
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398
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172 Lisp_Process *p = (Lisp_Process *) header;
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0
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173 #ifdef HAVE_WINDOW_SYSTEM
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263
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174 if (!for_disksave)
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175 {
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176 debug_process_finalization (p);
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177 }
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0
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178 #endif /* HAVE_WINDOW_SYSTEM */
|
|
263
|
179
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180 if (p->process_data)
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181 {
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182 MAYBE_PROCMETH (finalize_process_data, (p, for_disksave));
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183 if (!for_disksave)
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184 xfree (p->process_data);
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185 }
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0
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186 }
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187
|
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272
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188 DEFINE_LRECORD_IMPLEMENTATION ("process", process,
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189 mark_process, print_process, finalize_process,
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398
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190 0, 0, 0, Lisp_Process);
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0
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191
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192 /************************************************************************/
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193 /* basic process accessors */
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194 /************************************************************************/
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195
|
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263
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196 /* Under FILE_CODING, this function returns low-level streams, connected
|
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380
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197 directly to the child process, rather than en/decoding FILE_CODING
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263
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198 streams */
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199 void
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398
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200 get_process_streams (Lisp_Process *p, Lisp_Object *instr, Lisp_Object *outstr)
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0
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201 {
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263
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202 assert (p);
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203 assert (NILP (p->pipe_instream) || LSTREAMP(p->pipe_instream));
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204 assert (NILP (p->pipe_outstream) || LSTREAMP(p->pipe_outstream));
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205 *instr = p->pipe_instream;
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206 *outstr = p->pipe_outstream;
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0
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207 }
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208
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398
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209 Lisp_Process *
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263
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210 get_process_from_usid (USID usid)
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0
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211 {
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398
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212 const void *vval;
|
|
263
|
213
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|
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214 assert (usid != USID_ERROR && usid != USID_DONTHASH);
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0
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215
|
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398
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216 if (gethash ((const void*)usid, usid_to_process, &vval))
|
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263
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217 {
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218 Lisp_Object proc;
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219 CVOID_TO_LISP (proc, vval);
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220 return XPROCESS (proc);
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221 }
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222 else
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0
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223 return 0;
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224 }
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225
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226 int
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398
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227 get_process_selected_p (Lisp_Process *p)
|
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0
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228 {
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229 return p->selected;
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230 }
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231
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232 void
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398
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233 set_process_selected_p (Lisp_Process *p, int selected_p)
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0
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234 {
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235 p->selected = !!selected_p;
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236 }
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237
|
|
263
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238 int
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|
398
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239 connected_via_filedesc_p (Lisp_Process *p)
|
|
263
|
240 {
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241 return MAYBE_INT_PROCMETH (tooltalk_connection_p, (p));
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|
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242 }
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|
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243
|
|
0
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244 #ifdef HAVE_SOCKETS
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245 int
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246 network_connection_p (Lisp_Object process)
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|
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247 {
|
|
398
|
248 return CONSP (XPROCESS (process)->pid);
|
|
0
|
249 }
|
|
|
250 #endif
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251
|
|
20
|
252 DEFUN ("processp", Fprocessp, 1, 1, 0, /*
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0
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253 Return t if OBJECT is a process.
|
|
20
|
254 */
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255 (obj))
|
|
0
|
256 {
|
|
173
|
257 return PROCESSP (obj) ? Qt : Qnil;
|
|
0
|
258 }
|
|
|
259
|
|
398
|
260 DEFUN ("process-live-p", Fprocess_live_p, 1, 1, 0, /*
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|
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261 Return t if OBJECT is a process that is alive.
|
|
|
262 */
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263 (obj))
|
|
|
264 {
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|
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265 return PROCESSP (obj) && PROCESS_LIVE_P (XPROCESS (obj)) ? Qt : Qnil;
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|
|
266 }
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|
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267
|
|
20
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268 DEFUN ("process-list", Fprocess_list, 0, 0, 0, /*
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|
0
|
269 Return a list of all processes.
|
|
20
|
270 */
|
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271 ())
|
|
0
|
272 {
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|
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273 return Fcopy_sequence (Vprocess_list);
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|
|
274 }
|
|
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275
|
|
20
|
276 DEFUN ("get-process", Fget_process, 1, 1, 0, /*
|
|
0
|
277 Return the process named NAME, or nil if there is none.
|
|
20
|
278 */
|
|
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279 (name))
|
|
0
|
280 {
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|
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281 Lisp_Object tail;
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|
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282
|
|
398
|
283 if (PROCESSP (name))
|
|
173
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284 return name;
|
|
0
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285
|
|
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286 if (!gc_in_progress)
|
|
|
287 /* this only gets called during GC when emacs is going away as a result
|
|
|
288 of a signal or crash. */
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289 CHECK_STRING (name);
|
|
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290
|
|
398
|
291 for (tail = Vprocess_list; CONSP (tail); tail = XCDR (tail))
|
|
0
|
292 {
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|
|
293 Lisp_Object proc = XCAR (tail);
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|
|
294 QUIT;
|
|
195
|
295 if (internal_equal (name, XPROCESS (proc)->name, 0))
|
|
173
|
296 return XCAR (tail);
|
|
0
|
297 }
|
|
|
298 return Qnil;
|
|
|
299 }
|
|
|
300
|
|
20
|
301 DEFUN ("get-buffer-process", Fget_buffer_process, 1, 1, 0, /*
|
|
0
|
302 Return the (or, a) process associated with BUFFER.
|
|
|
303 BUFFER may be a buffer or the name of one.
|
|
20
|
304 */
|
|
|
305 (name))
|
|
0
|
306 {
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|
|
307 Lisp_Object buf, tail, proc;
|
|
|
308
|
|
398
|
309 if (NILP (name)) return Qnil;
|
|
0
|
310 buf = Fget_buffer (name);
|
|
398
|
311 if (NILP (buf)) return Qnil;
|
|
0
|
312
|
|
398
|
313 for (tail = Vprocess_list; CONSP (tail); tail = XCDR (tail))
|
|
0
|
314 {
|
|
|
315 /* jwz: do not quit here - it isn't necessary, as there is no way for
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|
|
316 Vprocess_list to get circular or overwhelmingly long, and this
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|
|
317 function is called from layout_mode_element under redisplay. */
|
|
|
318 /* QUIT; */
|
|
|
319 proc = XCAR (tail);
|
|
398
|
320 if (PROCESSP (proc) && EQ (XPROCESS (proc)->buffer, buf))
|
|
0
|
321 return proc;
|
|
|
322 }
|
|
|
323 return Qnil;
|
|
|
324 }
|
|
|
325
|
|
|
326 /* This is how commands for the user decode process arguments. It
|
|
|
327 accepts a process, a process name, a buffer, a buffer name, or nil.
|
|
|
328 Buffers denote the first process in the buffer, and nil denotes the
|
|
|
329 current buffer. */
|
|
|
330
|
|
|
331 static Lisp_Object
|
|
|
332 get_process (Lisp_Object name)
|
|
|
333 {
|
|
136
|
334 Lisp_Object proc, obj;
|
|
0
|
335
|
|
|
336 #ifdef I18N3
|
|
|
337 /* #### Look more closely into translating process names. */
|
|
|
338 #endif
|
|
|
339
|
|
|
340 /* This may be called during a GC from process_send_signal() from
|
|
|
341 kill_buffer_processes() if emacs decides to abort(). */
|
|
398
|
342 if (PROCESSP (name))
|
|
0
|
343 return name;
|
|
|
344
|
|
398
|
345 if (STRINGP (name))
|
|
136
|
346 {
|
|
|
347 obj = Fget_process (name);
|
|
398
|
348 if (NILP (obj))
|
|
136
|
349 obj = Fget_buffer (name);
|
|
398
|
350 if (NILP (obj))
|
|
136
|
351 error ("Process %s does not exist", XSTRING_DATA (name));
|
|
|
352 }
|
|
398
|
353 else if (NILP (name))
|
|
136
|
354 obj = Fcurrent_buffer ();
|
|
|
355 else
|
|
|
356 obj = name;
|
|
|
357
|
|
|
358 /* Now obj should be either a buffer object or a process object.
|
|
|
359 */
|
|
398
|
360 if (BUFFERP (obj))
|
|
136
|
361 {
|
|
|
362 proc = Fget_buffer_process (obj);
|
|
398
|
363 if (NILP (proc))
|
|
136
|
364 error ("Buffer %s has no process", XSTRING_DATA (XBUFFER(obj)->name));
|
|
|
365 }
|
|
0
|
366 else
|
|
|
367 {
|
|
263
|
368 /* #### This was commented out. Although, simple
|
|
380
|
369 (kill-process 7 "qqq") resulted in a fatal error. - kkm */
|
|
263
|
370 CHECK_PROCESS (obj);
|
|
136
|
371 proc = obj;
|
|
0
|
372 }
|
|
136
|
373 return proc;
|
|
0
|
374 }
|
|
|
375
|
|
20
|
376 DEFUN ("process-id", Fprocess_id, 1, 1, 0, /*
|
|
0
|
377 Return the process id of PROCESS.
|
|
|
378 This is the pid of the Unix process which PROCESS uses or talks to.
|
|
|
379 For a network connection, this value is a cons of
|
|
|
380 (foreign-network-port . foreign-host-name).
|
|
20
|
381 */
|
|
|
382 (proc))
|
|
0
|
383 {
|
|
|
384 Lisp_Object pid;
|
|
|
385 CHECK_PROCESS (proc);
|
|
|
386
|
|
|
387 pid = XPROCESS (proc)->pid;
|
|
|
388 if (network_connection_p (proc))
|
|
173
|
389 /* return Qnil; */
|
|
|
390 return Fcons (Fcar (pid), Fcdr (pid));
|
|
0
|
391 else
|
|
173
|
392 return pid;
|
|
0
|
393 }
|
|
|
394
|
|
20
|
395 DEFUN ("process-name", Fprocess_name, 1, 1, 0, /*
|
|
0
|
396 Return the name of PROCESS, as a string.
|
|
|
397 This is the name of the program invoked in PROCESS,
|
|
|
398 possibly modified to make it unique among process names.
|
|
20
|
399 */
|
|
|
400 (proc))
|
|
0
|
401 {
|
|
|
402 CHECK_PROCESS (proc);
|
|
|
403 return XPROCESS (proc)->name;
|
|
|
404 }
|
|
|
405
|
|
20
|
406 DEFUN ("process-command", Fprocess_command, 1, 1, 0, /*
|
|
0
|
407 Return the command that was executed to start PROCESS.
|
|
|
408 This is a list of strings, the first string being the program executed
|
|
|
409 and the rest of the strings being the arguments given to it.
|
|
20
|
410 */
|
|
|
411 (proc))
|
|
0
|
412 {
|
|
|
413 CHECK_PROCESS (proc);
|
|
|
414 return XPROCESS (proc)->command;
|
|
|
415 }
|
|
|
416
|
|
|
417
|
|
|
418 /************************************************************************/
|
|
|
419 /* creating a process */
|
|
|
420 /************************************************************************/
|
|
|
421
|
|
263
|
422 Lisp_Object
|
|
0
|
423 make_process_internal (Lisp_Object name)
|
|
|
424 {
|
|
|
425 Lisp_Object val, name1;
|
|
|
426 int i;
|
|
398
|
427 Lisp_Process *p = alloc_lcrecord_type (Lisp_Process, &lrecord_process);
|
|
0
|
428
|
|
|
429 /* If name is already in use, modify it until it is unused. */
|
|
|
430 name1 = name;
|
|
|
431 for (i = 1; ; i++)
|
|
|
432 {
|
|
|
433 char suffix[10];
|
|
|
434 Lisp_Object tem = Fget_process (name1);
|
|
185
|
435 if (NILP (tem))
|
|
0
|
436 break;
|
|
|
437 sprintf (suffix, "<%d>", i);
|
|
|
438 name1 = concat2 (name, build_string (suffix));
|
|
|
439 }
|
|
|
440 name = name1;
|
|
|
441 p->name = name;
|
|
|
442
|
|
|
443 p->command = Qnil;
|
|
|
444 p->filter = Qnil;
|
|
|
445 p->sentinel = Qnil;
|
|
|
446 p->buffer = Qnil;
|
|
|
447 p->mark = Fmake_marker ();
|
|
|
448 p->pid = Qnil;
|
|
|
449 p->status_symbol = Qrun;
|
|
|
450 p->exit_code = 0;
|
|
|
451 p->core_dumped = 0;
|
|
|
452 p->filter_does_read = 0;
|
|
|
453 p->kill_without_query = 0;
|
|
|
454 p->selected = 0;
|
|
|
455 p->tick = 0;
|
|
|
456 p->update_tick = 0;
|
|
263
|
457 p->pipe_instream = Qnil;
|
|
|
458 p->pipe_outstream = Qnil;
|
|
|
459 #ifdef FILE_CODING
|
|
|
460 p->coding_instream = Qnil;
|
|
|
461 p->coding_outstream = Qnil;
|
|
|
462 #endif
|
|
|
463
|
|
|
464 p->process_data = 0;
|
|
|
465 MAYBE_PROCMETH (alloc_process_data, (p));
|
|
0
|
466
|
|
|
467 XSETPROCESS (val, p);
|
|
|
468
|
|
|
469 Vprocess_list = Fcons (val, Vprocess_list);
|
|
173
|
470 return val;
|
|
0
|
471 }
|
|
|
472
|
|
263
|
473 void
|
|
398
|
474 init_process_io_handles (Lisp_Process *p, void* in, void* out, int flags)
|
|
0
|
475 {
|
|
263
|
476 USID usid = event_stream_create_stream_pair (in, out,
|
|
|
477 &p->pipe_instream, &p->pipe_outstream,
|
|
|
478 flags);
|
|
0
|
479
|
|
263
|
480 if (usid == USID_ERROR)
|
|
|
481 report_file_error ("Setting up communication with subprocess", Qnil);
|
|
272
|
482
|
|
263
|
483 if (usid != USID_DONTHASH)
|
|
0
|
484 {
|
|
263
|
485 Lisp_Object proc = Qnil;
|
|
|
486 XSETPROCESS (proc, p);
|
|
398
|
487 puthash ((const void*)usid, LISP_TO_VOID (proc), usid_to_process);
|
|
0
|
488 }
|
|
259
|
489
|
|
263
|
490 MAYBE_PROCMETH (init_process_io_handles, (p, in, out, flags));
|
|
259
|
491
|
|
263
|
492 #ifdef FILE_CODING
|
|
|
493 p->coding_instream = make_decoding_input_stream
|
|
|
494 (XLSTREAM (p->pipe_instream),
|
|
120
|
495 Fget_coding_system (Vcoding_system_for_read));
|
|
263
|
496 Lstream_set_character_mode (XLSTREAM (p->coding_instream));
|
|
|
497 p->coding_outstream = make_encoding_output_stream
|
|
|
498 (XLSTREAM (p->pipe_outstream),
|
|
120
|
499 Fget_coding_system (Vcoding_system_for_write));
|
|
70
|
500 /* CODE_CNTL (&out_state[outchannel]) |= CC_END; !!####
|
|
|
501 What's going on here? */
|
|
263
|
502 #endif /* FILE_CODING */
|
|
0
|
503 }
|
|
|
504
|
|
|
505 static void
|
|
288
|
506 create_process (Lisp_Object process, Lisp_Object *argv, int nargv,
|
|
|
507 Lisp_Object program, Lisp_Object cur_dir)
|
|
0
|
508 {
|
|
398
|
509 Lisp_Process *p = XPROCESS (process);
|
|
263
|
510 int pid;
|
|
0
|
511
|
|
263
|
512 /* *_create_process may change status_symbol, if the process
|
|
|
513 is a kind of "fire-and-forget" (no I/O, unwaitable) */
|
|
0
|
514 p->status_symbol = Qrun;
|
|
|
515 p->exit_code = 0;
|
|
|
516
|
|
288
|
517 pid = PROCMETH (create_process, (p, argv, nargv, program, cur_dir));
|
|
0
|
518
|
|
|
519 p->pid = make_int (pid);
|
|
398
|
520 if (PROCESS_LIVE_P (p))
|
|
263
|
521 event_stream_select_process (p);
|
|
0
|
522 }
|
|
|
523
|
|
|
524 /* This function is the unwind_protect form for Fstart_process_internal. If
|
|
|
525 PROC doesn't have its pid set, then we know someone has signalled
|
|
|
526 an error and the process wasn't started successfully, so we should
|
|
|
527 remove it from the process list. */
|
|
|
528 static void remove_process (Lisp_Object proc);
|
|
|
529 static Lisp_Object
|
|
|
530 start_process_unwind (Lisp_Object proc)
|
|
|
531 {
|
|
|
532 /* Was PROC started successfully? */
|
|
|
533 if (EQ (XPROCESS (proc)->pid, Qnil))
|
|
|
534 remove_process (proc);
|
|
|
535 return Qnil;
|
|
|
536 }
|
|
|
537
|
|
20
|
538 DEFUN ("start-process-internal", Fstart_process_internal, 3, MANY, 0, /*
|
|
0
|
539 Start a program in a subprocess. Return the process object for it.
|
|
|
540 Args are NAME BUFFER PROGRAM &rest PROGRAM-ARGS
|
|
|
541 NAME is name for process. It is modified if necessary to make it unique.
|
|
|
542 BUFFER is the buffer or (buffer-name) to associate with the process.
|
|
|
543 Process output goes at end of that buffer, unless you specify
|
|
|
544 an output stream or filter function to handle the output.
|
|
|
545 BUFFER may be also nil, meaning that this process is not associated
|
|
|
546 with any buffer
|
|
|
547 Third arg is program file name. It is searched for as in the shell.
|
|
|
548 Remaining arguments are strings to give program as arguments.
|
|
|
549 INCODE and OUTCODE specify the coding-system objects used in input/output
|
|
|
550 from/to the process.
|
|
20
|
551 */
|
|
|
552 (int nargs, Lisp_Object *args))
|
|
0
|
553 {
|
|
120
|
554 /* This function can call lisp */
|
|
0
|
555 /* !!#### This function has not been Mule-ized */
|
|
|
556 Lisp_Object buffer, name, program, proc, current_dir;
|
|
|
557 Lisp_Object tem;
|
|
|
558 int speccount = specpdl_depth ();
|
|
120
|
559 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
0
|
560
|
|
120
|
561 name = args[0];
|
|
0
|
562 buffer = args[1];
|
|
120
|
563 program = args[2];
|
|
|
564 current_dir = Qnil;
|
|
|
565
|
|
|
566 /* Protect against various file handlers doing GCs below. */
|
|
|
567 GCPRO3 (buffer, program, current_dir);
|
|
|
568
|
|
0
|
569 if (!NILP (buffer))
|
|
|
570 buffer = Fget_buffer_create (buffer);
|
|
|
571
|
|
120
|
572 CHECK_STRING (name);
|
|
|
573 CHECK_STRING (program);
|
|
0
|
574
|
|
|
575 /* Make sure that the child will be able to chdir to the current
|
|
|
576 buffer's current directory, or its unhandled equivalent. We
|
|
|
577 can't just have the child check for an error when it does the
|
|
|
578 chdir, since it's in a vfork.
|
|
|
579
|
|
120
|
580 Note: these assignments and calls are like this in order to insure
|
|
|
581 "caller protects args" GC semantics. */
|
|
|
582 current_dir = current_buffer->directory;
|
|
|
583 current_dir = Funhandled_file_name_directory (current_dir);
|
|
|
584 current_dir = expand_and_dir_to_file (current_dir, Qnil);
|
|
|
585
|
|
0
|
586 #if 0 /* This loser breaks ange-ftp */
|
|
120
|
587 /* dmoore - if you re-enable this code, you have to gcprotect
|
|
|
588 current_buffer through the above calls. */
|
|
|
589 if (NILP (Ffile_accessible_directory_p (current_dir)))
|
|
|
590 report_file_error ("Setting current directory",
|
|
|
591 list1 (current_buffer->directory));
|
|
0
|
592 #endif /* 0 */
|
|
|
593
|
|
|
594 /* If program file name is not absolute, search our path for it */
|
|
82
|
595 if (!IS_DIRECTORY_SEP (XSTRING_BYTE (program, 0))
|
|
16
|
596 && !(XSTRING_LENGTH (program) > 1
|
|
82
|
597 && IS_DEVICE_SEP (XSTRING_BYTE (program, 1))))
|
|
0
|
598 {
|
|
120
|
599 struct gcpro ngcpro1;
|
|
70
|
600
|
|
0
|
601 tem = Qnil;
|
|
120
|
602 NGCPRO1 (tem);
|
|
398
|
603 locate_file (Vexec_path, program, Vlisp_EXEC_SUFFIXES, &tem, X_OK);
|
|
0
|
604 if (NILP (tem))
|
|
|
605 report_file_error ("Searching for program", list1 (program));
|
|
120
|
606 program = Fexpand_file_name (tem, Qnil);
|
|
|
607 NUNGCPRO;
|
|
0
|
608 }
|
|
|
609 else
|
|
|
610 {
|
|
|
611 if (!NILP (Ffile_directory_p (program)))
|
|
|
612 error ("Specified program for new process is a directory");
|
|
|
613 }
|
|
|
614
|
|
|
615 proc = make_process_internal (name);
|
|
|
616
|
|
|
617 XPROCESS (proc)->buffer = buffer;
|
|
|
618 XPROCESS (proc)->command = Flist (nargs - 2,
|
|
|
619 args + 2);
|
|
|
620
|
|
|
621 /* Make the process marker point into the process buffer (if any). */
|
|
|
622 if (!NILP (buffer))
|
|
|
623 Fset_marker (XPROCESS (proc)->mark,
|
|
|
624 make_int (BUF_ZV (XBUFFER (buffer))), buffer);
|
|
|
625
|
|
|
626 /* If an error occurs and we can't start the process, we want to
|
|
|
627 remove it from the process list. This means that each error
|
|
|
628 check in create_process doesn't need to call remove_process
|
|
|
629 itself; it's all taken care of here. */
|
|
|
630 record_unwind_protect (start_process_unwind, proc);
|
|
|
631
|
|
288
|
632 create_process (proc, args + 3, nargs - 3, program, current_dir);
|
|
0
|
633
|
|
120
|
634 UNGCPRO;
|
|
0
|
635 return unbind_to (speccount, proc);
|
|
|
636 }
|
|
|
637
|
|
|
638
|
|
|
639 #ifdef HAVE_SOCKETS
|
|
|
640
|
|
|
641
|
|
263
|
642 /* #### The network support is fairly synthetical. What we actually
|
|
|
643 need is a single function, which supports all datagram, stream and
|
|
|
644 packet stream connections, arbitrary protocol families should they
|
|
|
645 be supported by the target system, multicast groups, in both data
|
|
|
646 and control rooted/nonrooted flavors, service quality etc whatever
|
|
|
647 is supported by the underlying network.
|
|
0
|
648
|
|
263
|
649 It must accept a property list describing the connection. The current
|
|
|
650 functions must then go to lisp and provide a suitable list for the
|
|
|
651 generalized connection function.
|
|
0
|
652
|
|
380
|
653 Both UNIX and Win32 support BSD sockets, and there are many extensions
|
|
|
654 available (Sockets 2 spec).
|
|
0
|
655
|
|
263
|
656 A todo is define a consistent set of properties abstracting a
|
|
|
657 network connection. -kkm
|
|
|
658 */
|
|
|
659
|
|
0
|
660
|
|
|
661 /* open a TCP network connection to a given HOST/SERVICE. Treated
|
|
|
662 exactly like a normal process when reading and writing. Only
|
|
|
663 differences are in status display and process deletion. A network
|
|
|
664 connection has no PID; you cannot signal it. All you can do is
|
|
|
665 deactivate and close it via delete-process */
|
|
|
666
|
|
263
|
667 DEFUN ("open-network-stream-internal", Fopen_network_stream_internal, 4, 5, 0, /*
|
|
0
|
668 Open a TCP connection for a service to a host.
|
|
398
|
669 Return a subprocess-object to represent the connection.
|
|
0
|
670 Input and output work as for subprocesses; `delete-process' closes it.
|
|
70
|
671
|
|
0
|
672 NAME is name for process. It is modified if necessary to make it unique.
|
|
|
673 BUFFER is the buffer (or buffer-name) to associate with the process.
|
|
|
674 Process output goes at end of that buffer, unless you specify
|
|
|
675 an output stream or filter function to handle the output.
|
|
70
|
676 BUFFER may also be nil, meaning that this process is not associated
|
|
|
677 with any buffer.
|
|
0
|
678 Third arg is name of the host to connect to, or its IP address.
|
|
|
679 Fourth arg SERVICE is name of the service desired, or an integer
|
|
|
680 specifying a port number to connect to.
|
|
398
|
681 Fifth argument PROTOCOL is a network protocol. Currently 'tcp
|
|
|
682 (Transmission Control Protocol) and 'udp (User Datagram Protocol) are
|
|
|
683 supported. When omitted, 'tcp is assumed.
|
|
|
684
|
|
|
685 Ouput via `process-send-string' and input via buffer or filter (see
|
|
|
686 `set-process-filter') are stream-oriented. That means UDP datagrams are
|
|
|
687 not guaranteed to be sent and received in discrete packets. (But small
|
|
|
688 datagrams around 500 bytes that are not truncated by `process-send-string'
|
|
|
689 are usually fine.) Note further that UDP protocol does not guard against
|
|
|
690 lost packets.
|
|
20
|
691 */
|
|
398
|
692 (name, buffer, host, service, protocol))
|
|
0
|
693 {
|
|
|
694 /* !!#### This function has not been Mule-ized */
|
|
|
695 /* This function can GC */
|
|
263
|
696 Lisp_Object proc = Qnil;
|
|
|
697 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, ngcpro1;
|
|
|
698 void *inch, *outch;
|
|
0
|
699
|
|
398
|
700 GCPRO5 (name, buffer, host, service, protocol);
|
|
0
|
701 CHECK_STRING (name);
|
|
|
702
|
|
398
|
703 if (NILP(protocol))
|
|
|
704 protocol = Qtcp;
|
|
263
|
705 else
|
|
398
|
706 CHECK_SYMBOL (protocol);
|
|
0
|
707
|
|
263
|
708 /* Since this code is inside HAVE_SOCKETS, existence of
|
|
|
709 open_network_stream is mandatory */
|
|
398
|
710 PROCMETH (open_network_stream, (name, host, service, protocol,
|
|
263
|
711 &inch, &outch));
|
|
272
|
712
|
|
0
|
713 if (!NILP (buffer))
|
|
|
714 buffer = Fget_buffer_create (buffer);
|
|
|
715 proc = make_process_internal (name);
|
|
263
|
716 NGCPRO1 (proc);
|
|
0
|
717
|
|
|
718 XPROCESS (proc)->pid = Fcons (service, host);
|
|
|
719 XPROCESS (proc)->buffer = buffer;
|
|
282
|
720 init_process_io_handles (XPROCESS (proc), (void*)inch, (void*)outch,
|
|
|
721 STREAM_NETWORK_CONNECTION);
|
|
0
|
722
|
|
|
723 event_stream_select_process (XPROCESS (proc));
|
|
|
724
|
|
|
725 UNGCPRO;
|
|
263
|
726 NUNGCPRO;
|
|
0
|
727 return proc;
|
|
|
728 }
|
|
|
729
|
|
259
|
730 #ifdef HAVE_MULTICAST
|
|
|
731
|
|
|
732 DEFUN ("open-multicast-group-internal", Fopen_multicast_group_internal, 5, 5, 0, /*
|
|
|
733 Open a multicast connection on the specified dest/port/ttl.
|
|
398
|
734 Return a subprocess-object to represent the connection.
|
|
259
|
735 Input and output work as for subprocesses; `delete-process' closes it.
|
|
|
736
|
|
|
737 NAME is name for process. It is modified if necessary to make it unique.
|
|
|
738 BUFFER is the buffer (or buffer-name) to associate with the process.
|
|
|
739 Process output goes at end of that buffer, unless you specify
|
|
|
740 an output stream or filter function to handle the output.
|
|
|
741 BUFFER may also be nil, meaning that this process is not associated
|
|
|
742 with any buffer.
|
|
|
743 Third, fourth and fifth args are the multicast destination group, port and ttl.
|
|
|
744 dest must be an internet address between 224.0.0.0 and 239.255.255.255
|
|
|
745 port is a communication port like in traditional unicast
|
|
|
746 ttl is the time-to-live (15 for site, 63 for region and 127 for world)
|
|
|
747 */
|
|
|
748 (name, buffer, dest, port, ttl))
|
|
|
749 {
|
|
|
750 /* !!#### This function has not been Mule-ized */
|
|
|
751 /* This function can GC */
|
|
263
|
752 Lisp_Object proc = Qnil;
|
|
259
|
753 struct gcpro gcpro1;
|
|
263
|
754 void *inch, *outch;
|
|
259
|
755
|
|
263
|
756 CHECK_STRING (name);
|
|
|
757
|
|
|
758 /* Since this code is inside HAVE_MULTICAST, existence of
|
|
|
759 open_network_stream is mandatory */
|
|
|
760 PROCMETH (open_multicast_group, (name, dest, port, ttl,
|
|
|
761 &inch, &outch));
|
|
272
|
762
|
|
259
|
763 if (!NILP (buffer))
|
|
|
764 buffer = Fget_buffer_create (buffer);
|
|
|
765
|
|
|
766 proc = make_process_internal (name);
|
|
|
767 GCPRO1 (proc);
|
|
|
768
|
|
|
769 XPROCESS (proc)->pid = Fcons (port, dest);
|
|
|
770 XPROCESS (proc)->buffer = buffer;
|
|
282
|
771 init_process_io_handles (XPROCESS (proc), (void*)inch, (void*)outch,
|
|
|
772 STREAM_NETWORK_CONNECTION);
|
|
272
|
773
|
|
259
|
774 event_stream_select_process (XPROCESS (proc));
|
|
272
|
775
|
|
259
|
776 UNGCPRO;
|
|
|
777 return proc;
|
|
|
778 }
|
|
|
779 #endif /* HAVE_MULTICAST */
|
|
|
780
|
|
0
|
781 #endif /* HAVE_SOCKETS */
|
|
|
782
|
|
|
783 Lisp_Object
|
|
|
784 canonicalize_host_name (Lisp_Object host)
|
|
|
785 {
|
|
263
|
786 return PROCMETH_OR_GIVEN (canonicalize_host_name, (host), host);
|
|
0
|
787 }
|
|
|
788
|
|
|
789
|
|
20
|
790 DEFUN ("set-process-window-size", Fset_process_window_size, 3, 3, 0, /*
|
|
0
|
791 Tell PROCESS that it has logical window size HEIGHT and WIDTH.
|
|
20
|
792 */
|
|
|
793 (proc, height, width))
|
|
0
|
794 {
|
|
|
795 CHECK_PROCESS (proc);
|
|
|
796 CHECK_NATNUM (height);
|
|
|
797 CHECK_NATNUM (width);
|
|
263
|
798 return
|
|
|
799 MAYBE_INT_PROCMETH (set_window_size, (XPROCESS (proc), XINT (height), XINT (width))) <= 0
|
|
|
800 ? Qnil : Qt;
|
|
0
|
801 }
|
|
|
802
|
|
|
803
|
|
|
804 /************************************************************************/
|
|
|
805 /* Process I/O */
|
|
|
806 /************************************************************************/
|
|
|
807
|
|
|
808 /* Read pending output from the process channel,
|
|
|
809 starting with our buffered-ahead character if we have one.
|
|
|
810 Yield number of characters read.
|
|
|
811
|
|
|
812 This function reads at most 1024 bytes.
|
|
|
813 If you want to read all available subprocess output,
|
|
|
814 you must call it repeatedly until it returns zero. */
|
|
|
815
|
|
|
816 Charcount
|
|
|
817 read_process_output (Lisp_Object proc)
|
|
|
818 {
|
|
|
819 /* This function can GC */
|
|
|
820 Bytecount nbytes, nchars;
|
|
|
821 Bufbyte chars[1024];
|
|
|
822 Lisp_Object outstream;
|
|
398
|
823 Lisp_Process *p = XPROCESS (proc);
|
|
0
|
824
|
|
|
825 /* If there is a lot of output from the subprocess, the loop in
|
|
|
826 execute_internal_event() might call read_process_output() more
|
|
|
827 than once. If the filter that was executed from one of these
|
|
|
828 calls set the filter to t, we have to stop now. Return -1 rather
|
|
|
829 than 0 so execute_internal_event() doesn't close the process.
|
|
|
830 Really, the loop in execute_internal_event() should check itself
|
|
|
831 for a process-filter change, like in status_notify(); but the
|
|
|
832 struct Lisp_Process is not exported outside of this file. */
|
|
398
|
833 if (!PROCESS_LIVE_P (p))
|
|
0
|
834 return -1; /* already closed */
|
|
|
835
|
|
|
836 if (!NILP (p->filter) && (p->filter_does_read))
|
|
|
837 {
|
|
|
838 Lisp_Object filter_result;
|
|
|
839
|
|
|
840 /* Some weird FSFmacs crap here with
|
|
|
841 Vdeactivate_mark and current_buffer->keymap */
|
|
|
842 running_asynch_code = 1;
|
|
|
843 filter_result = call2_trapping_errors ("Error in process filter",
|
|
|
844 p->filter, proc, Qnil);
|
|
|
845 running_asynch_code = 0;
|
|
|
846 restore_match_data ();
|
|
|
847 CHECK_INT (filter_result);
|
|
|
848 return XINT (filter_result);
|
|
|
849 }
|
|
|
850
|
|
263
|
851 nbytes = Lstream_read (XLSTREAM (DATA_INSTREAM(p)), chars, sizeof (chars));
|
|
0
|
852 if (nbytes <= 0) return nbytes;
|
|
|
853
|
|
|
854 nchars = bytecount_to_charcount (chars, nbytes);
|
|
|
855 outstream = p->filter;
|
|
|
856 if (!NILP (outstream))
|
|
|
857 {
|
|
|
858 /* We used to bind inhibit-quit to t here, but
|
|
|
859 call2_trapping_errors() does that for us. */
|
|
|
860 running_asynch_code = 1;
|
|
|
861 call2_trapping_errors ("Error in process filter",
|
|
|
862 outstream, proc, make_string (chars, nbytes));
|
|
|
863 running_asynch_code = 0;
|
|
|
864 restore_match_data ();
|
|
173
|
865 return nchars;
|
|
0
|
866 }
|
|
|
867
|
|
|
868 /* If no filter, write into buffer if it isn't dead. */
|
|
|
869 if (!NILP (p->buffer) && BUFFER_LIVE_P (XBUFFER (p->buffer)))
|
|
|
870 {
|
|
|
871 Lisp_Object old_read_only = Qnil;
|
|
|
872 Bufpos old_point;
|
|
|
873 Bufpos old_begv;
|
|
|
874 Bufpos old_zv;
|
|
|
875 int old_zmacs_region_stays = zmacs_region_stays;
|
|
|
876 struct gcpro gcpro1, gcpro2;
|
|
|
877 struct buffer *buf = XBUFFER (p->buffer);
|
|
|
878
|
|
|
879 GCPRO2 (proc, old_read_only);
|
|
|
880
|
|
|
881 old_point = BUF_PT (buf);
|
|
|
882 old_begv = BUF_BEGV (buf);
|
|
|
883 old_zv = BUF_ZV (buf);
|
|
|
884 old_read_only = buf->read_only;
|
|
|
885 buf->read_only = Qnil;
|
|
|
886
|
|
|
887 /* Insert new output into buffer
|
|
|
888 at the current end-of-output marker,
|
|
|
889 thus preserving logical ordering of input and output. */
|
|
|
890 if (XMARKER (p->mark)->buffer)
|
|
|
891 BUF_SET_PT (buf,
|
|
|
892 bufpos_clip_to_bounds (old_begv, marker_position (p->mark),
|
|
|
893 old_zv));
|
|
|
894 else
|
|
|
895 BUF_SET_PT (buf, old_zv);
|
|
|
896
|
|
|
897 /* If the output marker is outside of the visible region, save
|
|
|
898 the restriction and widen. */
|
|
|
899 if (! (BUF_BEGV (buf) <= BUF_PT (buf) &&
|
|
|
900 BUF_PT (buf) <= BUF_ZV (buf)))
|
|
|
901 Fwiden (p->buffer);
|
|
|
902
|
|
|
903 /* Make sure opoint floats ahead of any new text, just as point
|
|
|
904 would. */
|
|
|
905 if (BUF_PT (buf) <= old_point)
|
|
|
906 old_point += nchars;
|
|
|
907
|
|
|
908 /* Insert after old_begv, but before old_zv. */
|
|
|
909 if (BUF_PT (buf) < old_begv)
|
|
|
910 old_begv += nchars;
|
|
|
911 if (BUF_PT (buf) <= old_zv)
|
|
|
912 old_zv += nchars;
|
|
|
913
|
|
|
914 #if 0
|
|
380
|
915 /* This screws up initial display of the window. jla */
|
|
0
|
916
|
|
|
917 /* Insert before markers in case we are inserting where
|
|
|
918 the buffer's mark is, and the user's next command is Meta-y. */
|
|
|
919 buffer_insert_raw_string_1 (buf, -1, chars,
|
|
|
920 nbytes, INSDEL_BEFORE_MARKERS);
|
|
|
921 #else
|
|
|
922 buffer_insert_raw_string (buf, chars, nbytes);
|
|
|
923 #endif
|
|
|
924
|
|
|
925 Fset_marker (p->mark, make_int (BUF_PT (buf)), p->buffer);
|
|
|
926
|
|
|
927 MARK_MODELINE_CHANGED;
|
|
|
928
|
|
|
929 /* If the restriction isn't what it should be, set it. */
|
|
|
930 if (old_begv != BUF_BEGV (buf) || old_zv != BUF_ZV (buf))
|
|
161
|
931 {
|
|
|
932 Fwiden(p->buffer);
|
|
|
933 old_begv = bufpos_clip_to_bounds (BUF_BEG (buf),
|
|
|
934 old_begv,
|
|
|
935 BUF_Z (buf));
|
|
|
936 old_zv = bufpos_clip_to_bounds (BUF_BEG (buf),
|
|
|
937 old_zv,
|
|
|
938 BUF_Z (buf));
|
|
|
939 Fnarrow_to_region (make_int (old_begv), make_int (old_zv),
|
|
|
940 p->buffer);
|
|
|
941 }
|
|
0
|
942
|
|
|
943 /* Handling the process output should not deactivate the mark. */
|
|
|
944 zmacs_region_stays = old_zmacs_region_stays;
|
|
|
945 buf->read_only = old_read_only;
|
|
161
|
946 old_point = bufpos_clip_to_bounds (BUF_BEGV (buf),
|
|
|
947 old_point,
|
|
|
948 BUF_ZV (buf));
|
|
0
|
949 BUF_SET_PT (buf, old_point);
|
|
|
950
|
|
|
951 UNGCPRO;
|
|
|
952 }
|
|
173
|
953 return nchars;
|
|
0
|
954 }
|
|
263
|
955
|
|
0
|
956 /* Sending data to subprocess */
|
|
|
957
|
|
|
958 /* send some data to process PROC. If NONRELOCATABLE is non-NULL, it
|
|
|
959 specifies the address of the data. Otherwise, the data comes from the
|
|
|
960 object RELOCATABLE (either a string or a buffer). START and LEN
|
|
|
961 specify the offset and length of the data to send.
|
|
|
962
|
|
|
963 Note that START and LEN are in Bufpos's if RELOCATABLE is a buffer,
|
|
|
964 and in Bytecounts otherwise. */
|
|
|
965
|
|
263
|
966 void
|
|
|
967 send_process (Lisp_Object proc,
|
|
398
|
968 Lisp_Object relocatable, const Bufbyte *nonrelocatable,
|
|
0
|
969 int start, int len)
|
|
|
970 {
|
|
|
971 /* This function can GC */
|
|
|
972 struct gcpro gcpro1, gcpro2;
|
|
|
973 Lisp_Object lstream = Qnil;
|
|
|
974
|
|
263
|
975 GCPRO2 (proc, lstream);
|
|
0
|
976
|
|
263
|
977 if (NILP (DATA_OUTSTREAM (XPROCESS (proc))))
|
|
0
|
978 signal_simple_error ("Process not open for writing", proc);
|
|
|
979
|
|
|
980 if (nonrelocatable)
|
|
|
981 lstream =
|
|
|
982 make_fixed_buffer_input_stream (nonrelocatable + start, len);
|
|
398
|
983 else if (BUFFERP (relocatable))
|
|
0
|
984 lstream = make_lisp_buffer_input_stream (XBUFFER (relocatable),
|
|
|
985 start, start + len, 0);
|
|
|
986 else
|
|
|
987 lstream = make_lisp_string_input_stream (relocatable, start, len);
|
|
|
988
|
|
263
|
989 PROCMETH (send_process, (proc, XLSTREAM (lstream)));
|
|
0
|
990
|
|
|
991 UNGCPRO;
|
|
185
|
992 Lstream_delete (XLSTREAM (lstream));
|
|
0
|
993 }
|
|
|
994
|
|
20
|
995 DEFUN ("process-tty-name", Fprocess_tty_name, 1, 1, 0, /*
|
|
0
|
996 Return the name of the terminal PROCESS uses, or nil if none.
|
|
|
997 This is the terminal that the process itself reads and writes on,
|
|
|
998 not the name of the pty that Emacs uses to talk with that terminal.
|
|
20
|
999 */
|
|
|
1000 (proc))
|
|
0
|
1001 {
|
|
|
1002 CHECK_PROCESS (proc);
|
|
263
|
1003 return MAYBE_LISP_PROCMETH (get_tty_name, (XPROCESS (proc)));
|
|
0
|
1004 }
|
|
|
1005
|
|
20
|
1006 DEFUN ("set-process-buffer", Fset_process_buffer, 2, 2, 0, /*
|
|
0
|
1007 Set buffer associated with PROCESS to BUFFER (a buffer, or nil).
|
|
20
|
1008 */
|
|
|
1009 (proc, buffer))
|
|
0
|
1010 {
|
|
|
1011 CHECK_PROCESS (proc);
|
|
|
1012 if (!NILP (buffer))
|
|
|
1013 CHECK_BUFFER (buffer);
|
|
|
1014 XPROCESS (proc)->buffer = buffer;
|
|
|
1015 return buffer;
|
|
|
1016 }
|
|
|
1017
|
|
20
|
1018 DEFUN ("process-buffer", Fprocess_buffer, 1, 1, 0, /*
|
|
0
|
1019 Return the buffer PROCESS is associated with.
|
|
|
1020 Output from PROCESS is inserted in this buffer
|
|
|
1021 unless PROCESS has a filter.
|
|
20
|
1022 */
|
|
|
1023 (proc))
|
|
0
|
1024 {
|
|
|
1025 CHECK_PROCESS (proc);
|
|
|
1026 return XPROCESS (proc)->buffer;
|
|
|
1027 }
|
|
|
1028
|
|
20
|
1029 DEFUN ("process-mark", Fprocess_mark, 1, 1, 0, /*
|
|
0
|
1030 Return the marker for the end of the last output from PROCESS.
|
|
20
|
1031 */
|
|
|
1032 (proc))
|
|
0
|
1033 {
|
|
|
1034 CHECK_PROCESS (proc);
|
|
|
1035 return XPROCESS (proc)->mark;
|
|
|
1036 }
|
|
|
1037
|
|
|
1038 void
|
|
|
1039 set_process_filter (Lisp_Object proc, Lisp_Object filter, int filter_does_read)
|
|
|
1040 {
|
|
|
1041 CHECK_PROCESS (proc);
|
|
398
|
1042 if (PROCESS_LIVE_P (XPROCESS (proc))) {
|
|
0
|
1043 if (EQ (filter, Qt))
|
|
|
1044 event_stream_unselect_process (XPROCESS (proc));
|
|
|
1045 else
|
|
|
1046 event_stream_select_process (XPROCESS (proc));
|
|
233
|
1047 }
|
|
0
|
1048
|
|
|
1049 XPROCESS (proc)->filter = filter;
|
|
|
1050 XPROCESS (proc)->filter_does_read = filter_does_read;
|
|
|
1051 }
|
|
|
1052
|
|
20
|
1053 DEFUN ("set-process-filter", Fset_process_filter, 2, 2, 0, /*
|
|
0
|
1054 Give PROCESS the filter function FILTER; nil means no filter.
|
|
|
1055 t means stop accepting output from the process.
|
|
|
1056 When a process has a filter, each time it does output
|
|
|
1057 the entire string of output is passed to the filter.
|
|
|
1058 The filter gets two arguments: the process and the string of output.
|
|
|
1059 If the process has a filter, its buffer is not used for output.
|
|
20
|
1060 */
|
|
|
1061 (proc, filter))
|
|
0
|
1062 {
|
|
|
1063 set_process_filter (proc, filter, 0);
|
|
|
1064 return filter;
|
|
|
1065 }
|
|
|
1066
|
|
20
|
1067 DEFUN ("process-filter", Fprocess_filter, 1, 1, 0, /*
|
|
0
|
1068 Return the filter function of PROCESS; nil if none.
|
|
|
1069 See `set-process-filter' for more info on filter functions.
|
|
20
|
1070 */
|
|
|
1071 (proc))
|
|
0
|
1072 {
|
|
|
1073 CHECK_PROCESS (proc);
|
|
|
1074 return XPROCESS (proc)->filter;
|
|
|
1075 }
|
|
|
1076
|
|
408
|
1077 DEFUN ("process-send-region", Fprocess_send_region, 3, 4, 0, /*
|
|
|
1078 Send current contents of the region between START and END as input to PROCESS.
|
|
0
|
1079 PROCESS may be a process name or an actual process.
|
|
408
|
1080 BUFFER specifies the buffer to look in; if nil, the current buffer is used.
|
|
0
|
1081 If the region is more than 500 or so characters long,
|
|
|
1082 it is sent in several bunches. This may happen even for shorter regions.
|
|
|
1083 Output from processes can arrive in between bunches.
|
|
20
|
1084 */
|
|
408
|
1085 (process, start, end, buffer))
|
|
0
|
1086 {
|
|
|
1087 /* This function can GC */
|
|
|
1088 Lisp_Object proc = get_process (process);
|
|
|
1089 Bufpos st, en;
|
|
408
|
1090 struct buffer *buf = decode_buffer (buffer, 0);
|
|
0
|
1091
|
|
408
|
1092 XSETBUFFER (buffer, buf);
|
|
|
1093 get_buffer_range_char (buf, start, end, &st, &en, 0);
|
|
|
1094
|
|
|
1095 send_process (proc, buffer, 0, st, en - st);
|
|
173
|
1096 return Qnil;
|
|
0
|
1097 }
|
|
|
1098
|
|
20
|
1099 DEFUN ("process-send-string", Fprocess_send_string, 2, 4, 0, /*
|
|
0
|
1100 Send PROCESS the contents of STRING as input.
|
|
|
1101 PROCESS may be a process name or an actual process.
|
|
|
1102 Optional arguments FROM and TO specify part of STRING, see `substring'.
|
|
|
1103 If STRING is more than 500 or so characters long,
|
|
|
1104 it is sent in several bunches. This may happen even for shorter strings.
|
|
|
1105 Output from processes can arrive in between bunches.
|
|
20
|
1106 */
|
|
|
1107 (process, string, from, to))
|
|
0
|
1108 {
|
|
|
1109 /* This function can GC */
|
|
|
1110 Lisp_Object proc;
|
|
|
1111 Bytecount len;
|
|
|
1112 Bytecount bfr, bto;
|
|
|
1113
|
|
|
1114 proc = get_process (process);
|
|
|
1115 CHECK_STRING (string);
|
|
|
1116 get_string_range_byte (string, from, to, &bfr, &bto,
|
|
|
1117 GB_HISTORICAL_STRING_BEHAVIOR);
|
|
|
1118 len = bto - bfr;
|
|
|
1119
|
|
|
1120 send_process (proc, string, 0, bfr, len);
|
|
173
|
1121 return Qnil;
|
|
0
|
1122 }
|
|
|
1123
|
|
259
|
1124 #ifdef FILE_CODING
|
|
70
|
1125
|
|
|
1126 DEFUN ("process-input-coding-system", Fprocess_input_coding_system, 1, 1, 0, /*
|
|
|
1127 Return PROCESS's input coding system.
|
|
|
1128 */
|
|
|
1129 (process))
|
|
|
1130 {
|
|
|
1131 process = get_process (process);
|
|
398
|
1132 CHECK_LIVE_PROCESS (process);
|
|
263
|
1133 return decoding_stream_coding_system (XLSTREAM (XPROCESS (process)->coding_instream) );
|
|
70
|
1134 }
|
|
|
1135
|
|
|
1136 DEFUN ("process-output-coding-system", Fprocess_output_coding_system, 1, 1, 0, /*
|
|
|
1137 Return PROCESS's output coding system.
|
|
|
1138 */
|
|
|
1139 (process))
|
|
|
1140 {
|
|
|
1141 process = get_process (process);
|
|
398
|
1142 CHECK_LIVE_PROCESS (process);
|
|
263
|
1143 return encoding_stream_coding_system (XLSTREAM (XPROCESS (process)->coding_outstream));
|
|
70
|
1144 }
|
|
|
1145
|
|
120
|
1146 DEFUN ("process-coding-system", Fprocess_coding_system, 1, 1, 0, /*
|
|
|
1147 Return a pair of coding-system for decoding and encoding of PROCESS.
|
|
|
1148 */
|
|
|
1149 (process))
|
|
|
1150 {
|
|
|
1151 process = get_process (process);
|
|
398
|
1152 CHECK_LIVE_PROCESS (process);
|
|
175
|
1153 return Fcons (decoding_stream_coding_system
|
|
263
|
1154 (XLSTREAM (XPROCESS (process)->coding_instream)),
|
|
175
|
1155 encoding_stream_coding_system
|
|
263
|
1156 (XLSTREAM (XPROCESS (process)->coding_outstream)));
|
|
120
|
1157 }
|
|
|
1158
|
|
280
|
1159 DEFUN ("set-process-input-coding-system", Fset_process_input_coding_system,
|
|
|
1160 2, 2, 0, /*
|
|
70
|
1161 Set PROCESS's input coding system to CODESYS.
|
|
|
1162 */
|
|
|
1163 (process, codesys))
|
|
|
1164 {
|
|
|
1165 codesys = Fget_coding_system (codesys);
|
|
|
1166 process = get_process (process);
|
|
398
|
1167 CHECK_LIVE_PROCESS (process);
|
|
|
1168
|
|
280
|
1169 set_decoding_stream_coding_system
|
|
|
1170 (XLSTREAM (XPROCESS (process)->coding_instream), codesys);
|
|
70
|
1171 return Qnil;
|
|
|
1172 }
|
|
|
1173
|
|
280
|
1174 DEFUN ("set-process-output-coding-system", Fset_process_output_coding_system,
|
|
|
1175 2, 2, 0, /*
|
|
70
|
1176 Set PROCESS's output coding system to CODESYS.
|
|
|
1177 */
|
|
|
1178 (process, codesys))
|
|
|
1179 {
|
|
|
1180 codesys = Fget_coding_system (codesys);
|
|
|
1181 process = get_process (process);
|
|
398
|
1182 CHECK_LIVE_PROCESS (process);
|
|
|
1183
|
|
70
|
1184 set_encoding_stream_coding_system
|
|
280
|
1185 (XLSTREAM (XPROCESS (process)->coding_outstream), codesys);
|
|
70
|
1186 return Qnil;
|
|
|
1187 }
|
|
|
1188
|
|
280
|
1189 DEFUN ("set-process-coding-system", Fset_process_coding_system,
|
|
|
1190 1, 3, 0, /*
|
|
120
|
1191 Set coding-systems of PROCESS to DECODING and ENCODING.
|
|
398
|
1192 DECODING will be used to decode subprocess output and ENCODING to
|
|
|
1193 encode subprocess input.
|
|
120
|
1194 */
|
|
|
1195 (process, decoding, encoding))
|
|
|
1196 {
|
|
280
|
1197 if (!NILP (decoding))
|
|
|
1198 Fset_process_input_coding_system (process, decoding);
|
|
|
1199
|
|
|
1200 if (!NILP (encoding))
|
|
|
1201 Fset_process_output_coding_system (process, encoding);
|
|
|
1202
|
|
120
|
1203 return Qnil;
|
|
|
1204 }
|
|
|
1205
|
|
263
|
1206 #endif /* FILE_CODING */
|
|
0
|
1207
|
|
|
1208 /************************************************************************/
|
|
|
1209 /* process status */
|
|
|
1210 /************************************************************************/
|
|
|
1211
|
|
|
1212 static Lisp_Object
|
|
|
1213 exec_sentinel_unwind (Lisp_Object datum)
|
|
|
1214 {
|
|
398
|
1215 Lisp_Cons *d = XCONS (datum);
|
|
0
|
1216 XPROCESS (d->car)->sentinel = d->cdr;
|
|
|
1217 free_cons (d);
|
|
|
1218 return Qnil;
|
|
|
1219 }
|
|
|
1220
|
|
|
1221 static void
|
|
|
1222 exec_sentinel (Lisp_Object proc, Lisp_Object reason)
|
|
|
1223 {
|
|
|
1224 /* This function can GC */
|
|
175
|
1225 int speccount = specpdl_depth ();
|
|
398
|
1226 Lisp_Process *p = XPROCESS (proc);
|
|
175
|
1227 Lisp_Object sentinel = p->sentinel;
|
|
|
1228
|
|
0
|
1229 if (NILP (sentinel))
|
|
|
1230 return;
|
|
|
1231
|
|
|
1232 /* Some weird FSFmacs crap here with
|
|
|
1233 Vdeactivate_mark and current_buffer->keymap */
|
|
|
1234
|
|
|
1235 /* Zilch the sentinel while it's running, to avoid recursive invocations;
|
|
|
1236 assure that it gets restored no matter how the sentinel exits. */
|
|
|
1237 p->sentinel = Qnil;
|
|
|
1238 record_unwind_protect (exec_sentinel_unwind, noseeum_cons (proc, sentinel));
|
|
|
1239 /* We used to bind inhibit-quit to t here, but call2_trapping_errors()
|
|
|
1240 does that for us. */
|
|
|
1241 running_asynch_code = 1;
|
|
175
|
1242 call2_trapping_errors ("Error in process sentinel", sentinel, proc, reason);
|
|
0
|
1243 running_asynch_code = 0;
|
|
|
1244 restore_match_data ();
|
|
|
1245 unbind_to (speccount, Qnil);
|
|
|
1246 }
|
|
|
1247
|
|
20
|
1248 DEFUN ("set-process-sentinel", Fset_process_sentinel, 2, 2, 0, /*
|
|
0
|
1249 Give PROCESS the sentinel SENTINEL; nil for none.
|
|
|
1250 The sentinel is called as a function when the process changes state.
|
|
|
1251 It gets two arguments: the process, and a string describing the change.
|
|
20
|
1252 */
|
|
|
1253 (proc, sentinel))
|
|
0
|
1254 {
|
|
|
1255 CHECK_PROCESS (proc);
|
|
|
1256 XPROCESS (proc)->sentinel = sentinel;
|
|
|
1257 return sentinel;
|
|
|
1258 }
|
|
|
1259
|
|
20
|
1260 DEFUN ("process-sentinel", Fprocess_sentinel, 1, 1, 0, /*
|
|
0
|
1261 Return the sentinel of PROCESS; nil if none.
|
|
|
1262 See `set-process-sentinel' for more info on sentinels.
|
|
20
|
1263 */
|
|
|
1264 (proc))
|
|
0
|
1265 {
|
|
|
1266 CHECK_PROCESS (proc);
|
|
|
1267 return XPROCESS (proc)->sentinel;
|
|
|
1268 }
|
|
|
1269
|
|
|
1270
|
|
398
|
1271 const char *
|
|
0
|
1272 signal_name (int signum)
|
|
|
1273 {
|
|
|
1274 if (signum >= 0 && signum < NSIG)
|
|
398
|
1275 return (const char *) sys_siglist[signum];
|
|
209
|
1276
|
|
398
|
1277 return (const char *) GETTEXT ("unknown signal");
|
|
0
|
1278 }
|
|
|
1279
|
|
|
1280 void
|
|
|
1281 update_process_status (Lisp_Object p,
|
|
|
1282 Lisp_Object status_symbol,
|
|
|
1283 int exit_code,
|
|
|
1284 int core_dumped)
|
|
|
1285 {
|
|
|
1286 XPROCESS (p)->tick++;
|
|
|
1287 process_tick++;
|
|
|
1288 XPROCESS (p)->status_symbol = status_symbol;
|
|
|
1289 XPROCESS (p)->exit_code = exit_code;
|
|
|
1290 XPROCESS (p)->core_dumped = core_dumped;
|
|
|
1291 }
|
|
|
1292
|
|
|
1293 /* Return a string describing a process status list. */
|
|
|
1294
|
|
185
|
1295 static Lisp_Object
|
|
398
|
1296 status_message (Lisp_Process *p)
|
|
0
|
1297 {
|
|
|
1298 Lisp_Object symbol = p->status_symbol;
|
|
|
1299 int code = p->exit_code;
|
|
|
1300 int coredump = p->core_dumped;
|
|
|
1301 Lisp_Object string, string2;
|
|
|
1302
|
|
|
1303 if (EQ (symbol, Qsignal) || EQ (symbol, Qstop))
|
|
|
1304 {
|
|
|
1305 string = build_string (signal_name (code));
|
|
|
1306 if (coredump)
|
|
|
1307 string2 = build_translated_string (" (core dumped)\n");
|
|
|
1308 else
|
|
|
1309 string2 = build_string ("\n");
|
|
|
1310 set_string_char (XSTRING (string), 0,
|
|
|
1311 DOWNCASE (current_buffer,
|
|
|
1312 string_char (XSTRING (string), 0)));
|
|
|
1313 return concat2 (string, string2);
|
|
|
1314 }
|
|
|
1315 else if (EQ (symbol, Qexit))
|
|
|
1316 {
|
|
|
1317 if (code == 0)
|
|
|
1318 return build_translated_string ("finished\n");
|
|
|
1319 string = Fnumber_to_string (make_int (code));
|
|
|
1320 if (coredump)
|
|
|
1321 string2 = build_translated_string (" (core dumped)\n");
|
|
|
1322 else
|
|
|
1323 string2 = build_string ("\n");
|
|
|
1324 return concat2 (build_translated_string ("exited abnormally with code "),
|
|
|
1325 concat2 (string, string2));
|
|
|
1326 }
|
|
|
1327 else
|
|
|
1328 return Fcopy_sequence (Fsymbol_name (symbol));
|
|
|
1329 }
|
|
|
1330
|
|
|
1331 /* Tell status_notify() to check for terminated processes. We do this
|
|
|
1332 because on some systems we sometimes miss SIGCHLD calls. (Not sure
|
|
|
1333 why.) */
|
|
|
1334
|
|
|
1335 void
|
|
|
1336 kick_status_notify (void)
|
|
|
1337 {
|
|
|
1338 process_tick++;
|
|
|
1339 }
|
|
|
1340
|
|
263
|
1341
|
|
0
|
1342 /* Report all recent events of a change in process status
|
|
|
1343 (either run the sentinel or output a message).
|
|
|
1344 This is done while Emacs is waiting for keyboard input. */
|
|
|
1345
|
|
|
1346 void
|
|
|
1347 status_notify (void)
|
|
|
1348 {
|
|
|
1349 /* This function can GC */
|
|
|
1350 Lisp_Object tail = Qnil;
|
|
|
1351 Lisp_Object symbol = Qnil;
|
|
|
1352 Lisp_Object msg = Qnil;
|
|
|
1353 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
1354 /* process_tick is volatile, so we have to remember it now.
|
|
|
1355 Otherwise, we get a race condition is SIGCHLD happens during
|
|
|
1356 this function.
|
|
|
1357
|
|
|
1358 (Actually, this is not the case anymore. The code to
|
|
|
1359 update the process structures has been moved out of the
|
|
|
1360 SIGCHLD handler. But for the moment I'm leaving this
|
|
|
1361 stuff in -- it can't hurt.) */
|
|
|
1362 int temp_process_tick;
|
|
|
1363
|
|
263
|
1364 MAYBE_PROCMETH (reap_exited_processes, ());
|
|
0
|
1365
|
|
|
1366 temp_process_tick = process_tick;
|
|
|
1367
|
|
|
1368 if (update_tick == temp_process_tick)
|
|
|
1369 return;
|
|
|
1370
|
|
|
1371 /* We need to gcpro tail; if read_process_output calls a filter
|
|
|
1372 which deletes a process and removes the cons to which tail points
|
|
|
1373 from Vprocess_alist, and then causes a GC, tail is an unprotected
|
|
|
1374 reference. */
|
|
|
1375 GCPRO3 (tail, symbol, msg);
|
|
|
1376
|
|
|
1377 for (tail = Vprocess_list; CONSP (tail); tail = XCDR (tail))
|
|
|
1378 {
|
|
|
1379 Lisp_Object proc = XCAR (tail);
|
|
398
|
1380 Lisp_Process *p = XPROCESS (proc);
|
|
0
|
1381 /* p->tick is also volatile. Same thing as above applies. */
|
|
|
1382 int this_process_tick;
|
|
|
1383
|
|
|
1384 /* #### extra check for terminated processes, in case a SIGCHLD
|
|
|
1385 got missed (this seems to happen sometimes, I'm not sure why).
|
|
|
1386 */
|
|
263
|
1387 if (INTP (p->pid))
|
|
|
1388 MAYBE_PROCMETH (update_status_if_terminated, (p));
|
|
|
1389
|
|
0
|
1390 this_process_tick = p->tick;
|
|
|
1391 if (this_process_tick != p->update_tick)
|
|
|
1392 {
|
|
|
1393 p->update_tick = this_process_tick;
|
|
|
1394
|
|
|
1395 /* If process is still active, read any output that remains. */
|
|
|
1396 while (!EQ (p->filter, Qt)
|
|
|
1397 && read_process_output (proc) > 0)
|
|
|
1398 ;
|
|
|
1399
|
|
|
1400 /* Get the text to use for the message. */
|
|
|
1401 msg = status_message (p);
|
|
|
1402
|
|
|
1403 /* If process is terminated, deactivate it or delete it. */
|
|
|
1404 symbol = p->status_symbol;
|
|
|
1405
|
|
185
|
1406 if (EQ (symbol, Qsignal)
|
|
0
|
1407 || EQ (symbol, Qexit))
|
|
|
1408 {
|
|
|
1409 if (delete_exited_processes)
|
|
|
1410 remove_process (proc);
|
|
|
1411 else
|
|
|
1412 deactivate_process (proc);
|
|
|
1413 }
|
|
|
1414
|
|
|
1415 /* Now output the message suitably. */
|
|
|
1416 if (!NILP (p->sentinel))
|
|
|
1417 exec_sentinel (proc, msg);
|
|
|
1418 /* Don't bother with a message in the buffer
|
|
|
1419 when a process becomes runnable. */
|
|
|
1420 else if (!EQ (symbol, Qrun) && !NILP (p->buffer))
|
|
|
1421 {
|
|
161
|
1422 Lisp_Object old_read_only = Qnil;
|
|
|
1423 Lisp_Object old = Fcurrent_buffer ();
|
|
|
1424 Bufpos opoint;
|
|
|
1425 struct gcpro ngcpro1, ngcpro2;
|
|
0
|
1426
|
|
|
1427 /* Avoid error if buffer is deleted
|
|
|
1428 (probably that's why the process is dead, too) */
|
|
|
1429 if (!BUFFER_LIVE_P (XBUFFER (p->buffer)))
|
|
|
1430 continue;
|
|
|
1431
|
|
161
|
1432 NGCPRO2 (old, old_read_only);
|
|
0
|
1433 Fset_buffer (p->buffer);
|
|
161
|
1434 opoint = BUF_PT (current_buffer);
|
|
0
|
1435 /* Insert new output into buffer
|
|
|
1436 at the current end-of-output marker,
|
|
|
1437 thus preserving logical ordering of input and output. */
|
|
|
1438 if (XMARKER (p->mark)->buffer)
|
|
|
1439 BUF_SET_PT (current_buffer, marker_position (p->mark));
|
|
|
1440 else
|
|
|
1441 BUF_SET_PT (current_buffer, BUF_ZV (current_buffer));
|
|
161
|
1442 if (BUF_PT (current_buffer) <= opoint)
|
|
|
1443 opoint += (string_char_length (XSTRING (msg))
|
|
|
1444 + string_char_length (XSTRING (p->name))
|
|
|
1445 + 10);
|
|
|
1446
|
|
|
1447 old_read_only = current_buffer->read_only;
|
|
|
1448 current_buffer->read_only = Qnil;
|
|
0
|
1449 buffer_insert_c_string (current_buffer, "\nProcess ");
|
|
|
1450 Finsert (1, &p->name);
|
|
|
1451 buffer_insert_c_string (current_buffer, " ");
|
|
|
1452 Finsert (1, &msg);
|
|
161
|
1453 current_buffer->read_only = old_read_only;
|
|
0
|
1454 Fset_marker (p->mark, make_int (BUF_PT (current_buffer)),
|
|
|
1455 p->buffer);
|
|
161
|
1456
|
|
|
1457 opoint = bufpos_clip_to_bounds(BUF_BEGV (XBUFFER (p->buffer)),
|
|
|
1458 opoint,
|
|
|
1459 BUF_ZV (XBUFFER (p->buffer)));
|
|
|
1460 BUF_SET_PT (current_buffer, opoint);
|
|
|
1461 Fset_buffer (old);
|
|
|
1462 NUNGCPRO;
|
|
0
|
1463 }
|
|
|
1464 }
|
|
|
1465 } /* end for */
|
|
|
1466
|
|
|
1467 /* in case buffers use %s in modeline-format */
|
|
|
1468 MARK_MODELINE_CHANGED;
|
|
|
1469 redisplay ();
|
|
|
1470
|
|
|
1471 update_tick = temp_process_tick;
|
|
|
1472
|
|
|
1473 UNGCPRO;
|
|
|
1474 }
|
|
|
1475
|
|
20
|
1476 DEFUN ("process-status", Fprocess_status, 1, 1, 0, /*
|
|
0
|
1477 Return the status of PROCESS.
|
|
|
1478 This is a symbol, one of these:
|
|
|
1479
|
|
175
|
1480 run -- for a process that is running.
|
|
|
1481 stop -- for a process stopped but continuable.
|
|
|
1482 exit -- for a process that has exited.
|
|
0
|
1483 signal -- for a process that has got a fatal signal.
|
|
175
|
1484 open -- for a network stream connection that is open.
|
|
0
|
1485 closed -- for a network stream connection that is closed.
|
|
175
|
1486 nil -- if arg is a process name and no such process exists.
|
|
|
1487
|
|
0
|
1488 PROCESS may be a process, a buffer, the name of a process or buffer, or
|
|
|
1489 nil, indicating the current buffer's process.
|
|
20
|
1490 */
|
|
|
1491 (proc))
|
|
0
|
1492 {
|
|
175
|
1493 Lisp_Object status_symbol;
|
|
0
|
1494
|
|
|
1495 if (STRINGP (proc))
|
|
|
1496 proc = Fget_process (proc);
|
|
|
1497 else
|
|
|
1498 proc = get_process (proc);
|
|
|
1499
|
|
|
1500 if (NILP (proc))
|
|
175
|
1501 return Qnil;
|
|
|
1502
|
|
|
1503 status_symbol = XPROCESS (proc)->status_symbol;
|
|
0
|
1504 if (network_connection_p (proc))
|
|
|
1505 {
|
|
175
|
1506 if (EQ (status_symbol, Qrun))
|
|
|
1507 status_symbol = Qopen;
|
|
|
1508 else if (EQ (status_symbol, Qexit))
|
|
|
1509 status_symbol = Qclosed;
|
|
0
|
1510 }
|
|
175
|
1511 return status_symbol;
|
|
0
|
1512 }
|
|
|
1513
|
|
20
|
1514 DEFUN ("process-exit-status", Fprocess_exit_status, 1, 1, 0, /*
|
|
0
|
1515 Return the exit status of PROCESS or the signal number that killed it.
|
|
|
1516 If PROCESS has not yet exited or died, return 0.
|
|
20
|
1517 */
|
|
|
1518 (proc))
|
|
0
|
1519 {
|
|
|
1520 CHECK_PROCESS (proc);
|
|
173
|
1521 return make_int (XPROCESS (proc)->exit_code);
|
|
0
|
1522 }
|
|
|
1523
|
|
|
1524
|
|
|
1525
|
|
|
1526 /* send a signal number SIGNO to PROCESS.
|
|
|
1527 CURRENT_GROUP means send to the process group that currently owns
|
|
|
1528 the terminal being used to communicate with PROCESS.
|
|
|
1529 This is used for various commands in shell mode.
|
|
|
1530 If NOMSG is zero, insert signal-announcements into process's buffers
|
|
|
1531 right away.
|
|
|
1532
|
|
|
1533 If we can, we try to signal PROCESS by sending control characters
|
|
|
1534 down the pty. This allows us to signal inferiors who have changed
|
|
|
1535 their uid, for which killpg would return an EPERM error. */
|
|
|
1536
|
|
|
1537 static void
|
|
263
|
1538 process_send_signal (Lisp_Object process, int signo,
|
|
0
|
1539 int current_group, int nomsg)
|
|
|
1540 {
|
|
|
1541 /* This function can GC */
|
|
263
|
1542 Lisp_Object proc = get_process (process);
|
|
0
|
1543
|
|
|
1544 if (network_connection_p (proc))
|
|
|
1545 error ("Network connection %s is not a subprocess",
|
|
263
|
1546 XSTRING_DATA (XPROCESS(proc)->name));
|
|
398
|
1547 CHECK_LIVE_PROCESS (proc);
|
|
0
|
1548
|
|
263
|
1549 MAYBE_PROCMETH (kill_child_process, (proc, signo, current_group, nomsg));
|
|
0
|
1550 }
|
|
|
1551
|
|
20
|
1552 DEFUN ("interrupt-process", Finterrupt_process, 0, 2, 0, /*
|
|
0
|
1553 Interrupt process PROCESS. May be process or name of one.
|
|
|
1554 Nil or no arg means current buffer's process.
|
|
|
1555 Second arg CURRENT-GROUP non-nil means send signal to
|
|
|
1556 the current process-group of the process's controlling terminal
|
|
|
1557 rather than to the process's own process group.
|
|
|
1558 If the process is a shell, this means interrupt current subjob
|
|
|
1559 rather than the shell.
|
|
20
|
1560 */
|
|
|
1561 (process, current_group))
|
|
0
|
1562 {
|
|
|
1563 /* This function can GC */
|
|
|
1564 process_send_signal (process, SIGINT, !NILP (current_group), 0);
|
|
|
1565 return process;
|
|
|
1566 }
|
|
|
1567
|
|
20
|
1568 DEFUN ("kill-process", Fkill_process, 0, 2, 0, /*
|
|
0
|
1569 Kill process PROCESS. May be process or name of one.
|
|
|
1570 See function `interrupt-process' for more details on usage.
|
|
20
|
1571 */
|
|
|
1572 (process, current_group))
|
|
0
|
1573 {
|
|
|
1574 /* This function can GC */
|
|
280
|
1575 #ifdef SIGKILL
|
|
263
|
1576 process_send_signal (process, SIGKILL, !NILP (current_group), 0);
|
|
280
|
1577 #else
|
|
|
1578 error ("kill-process: Not supported on this system");
|
|
|
1579 #endif
|
|
0
|
1580 return process;
|
|
|
1581 }
|
|
|
1582
|
|
20
|
1583 DEFUN ("quit-process", Fquit_process, 0, 2, 0, /*
|
|
0
|
1584 Send QUIT signal to process PROCESS. May be process or name of one.
|
|
|
1585 See function `interrupt-process' for more details on usage.
|
|
20
|
1586 */
|
|
|
1587 (process, current_group))
|
|
0
|
1588 {
|
|
|
1589 /* This function can GC */
|
|
280
|
1590 #ifdef SIGQUIT
|
|
263
|
1591 process_send_signal (process, SIGQUIT, !NILP (current_group), 0);
|
|
280
|
1592 #else
|
|
|
1593 error ("quit-process: Not supported on this system");
|
|
|
1594 #endif
|
|
0
|
1595 return process;
|
|
|
1596 }
|
|
|
1597
|
|
20
|
1598 DEFUN ("stop-process", Fstop_process, 0, 2, 0, /*
|
|
0
|
1599 Stop process PROCESS. May be process or name of one.
|
|
|
1600 See function `interrupt-process' for more details on usage.
|
|
20
|
1601 */
|
|
|
1602 (process, current_group))
|
|
0
|
1603 {
|
|
|
1604 /* This function can GC */
|
|
263
|
1605 #ifdef SIGTSTP
|
|
|
1606 process_send_signal (process, SIGTSTP, !NILP (current_group), 0);
|
|
0
|
1607 #else
|
|
263
|
1608 error ("stop-process: Not supported on this system");
|
|
0
|
1609 #endif
|
|
|
1610 return process;
|
|
|
1611 }
|
|
|
1612
|
|
20
|
1613 DEFUN ("continue-process", Fcontinue_process, 0, 2, 0, /*
|
|
0
|
1614 Continue process PROCESS. May be process or name of one.
|
|
|
1615 See function `interrupt-process' for more details on usage.
|
|
20
|
1616 */
|
|
|
1617 (process, current_group))
|
|
0
|
1618 {
|
|
|
1619 /* This function can GC */
|
|
|
1620 #ifdef SIGCONT
|
|
263
|
1621 process_send_signal (process, SIGCONT, !NILP (current_group), 0);
|
|
0
|
1622 #else
|
|
263
|
1623 error ("continue-process: Not supported on this system");
|
|
0
|
1624 #endif
|
|
|
1625 return process;
|
|
|
1626 }
|
|
|
1627
|
|
20
|
1628 DEFUN ("signal-process", Fsignal_process, 2, 2,
|
|
|
1629 "nProcess number: \nnSignal code: ", /*
|
|
0
|
1630 Send the process with process id PID the signal with code SIGCODE.
|
|
|
1631 PID must be an integer. The process need not be a child of this Emacs.
|
|
|
1632 SIGCODE may be an integer, or a symbol whose name is a signal name.
|
|
20
|
1633 */
|
|
|
1634 (pid, sigcode))
|
|
0
|
1635 {
|
|
|
1636 CHECK_INT (pid);
|
|
|
1637
|
|
|
1638 if (INTP (sigcode))
|
|
|
1639 ;
|
|
|
1640 else
|
|
|
1641 {
|
|
|
1642 Bufbyte *name;
|
|
|
1643
|
|
|
1644 CHECK_SYMBOL (sigcode);
|
|
|
1645 name = string_data (XSYMBOL (sigcode)->name);
|
|
|
1646
|
|
280
|
1647 #define handle_signal(signal) \
|
|
398
|
1648 else if (!strcmp ((const char *) name, #signal)) \
|
|
280
|
1649 XSETINT (sigcode, signal)
|
|
|
1650
|
|
0
|
1651 if (0)
|
|
|
1652 ;
|
|
280
|
1653 handle_signal (SIGINT); /* ANSI */
|
|
|
1654 handle_signal (SIGILL); /* ANSI */
|
|
|
1655 handle_signal (SIGABRT); /* ANSI */
|
|
|
1656 handle_signal (SIGFPE); /* ANSI */
|
|
|
1657 handle_signal (SIGSEGV); /* ANSI */
|
|
|
1658 handle_signal (SIGTERM); /* ANSI */
|
|
|
1659
|
|
0
|
1660 #ifdef SIGHUP
|
|
280
|
1661 handle_signal (SIGHUP); /* POSIX */
|
|
0
|
1662 #endif
|
|
|
1663 #ifdef SIGQUIT
|
|
280
|
1664 handle_signal (SIGQUIT); /* POSIX */
|
|
0
|
1665 #endif
|
|
280
|
1666 #ifdef SIGTRAP
|
|
|
1667 handle_signal (SIGTRAP); /* POSIX */
|
|
0
|
1668 #endif
|
|
|
1669 #ifdef SIGKILL
|
|
280
|
1670 handle_signal (SIGKILL); /* POSIX */
|
|
|
1671 #endif
|
|
|
1672 #ifdef SIGUSR1
|
|
|
1673 handle_signal (SIGUSR1); /* POSIX */
|
|
|
1674 #endif
|
|
|
1675 #ifdef SIGUSR2
|
|
|
1676 handle_signal (SIGUSR2); /* POSIX */
|
|
0
|
1677 #endif
|
|
280
|
1678 #ifdef SIGPIPE
|
|
|
1679 handle_signal (SIGPIPE); /* POSIX */
|
|
|
1680 #endif
|
|
|
1681 #ifdef SIGALRM
|
|
|
1682 handle_signal (SIGALRM); /* POSIX */
|
|
|
1683 #endif
|
|
|
1684 #ifdef SIGCHLD
|
|
|
1685 handle_signal (SIGCHLD); /* POSIX */
|
|
|
1686 #endif
|
|
|
1687 #ifdef SIGCONT
|
|
|
1688 handle_signal (SIGCONT); /* POSIX */
|
|
0
|
1689 #endif
|
|
280
|
1690 #ifdef SIGSTOP
|
|
|
1691 handle_signal (SIGSTOP); /* POSIX */
|
|
|
1692 #endif
|
|
|
1693 #ifdef SIGTSTP
|
|
|
1694 handle_signal (SIGTSTP); /* POSIX */
|
|
|
1695 #endif
|
|
|
1696 #ifdef SIGTTIN
|
|
|
1697 handle_signal (SIGTTIN); /* POSIX */
|
|
0
|
1698 #endif
|
|
280
|
1699 #ifdef SIGTTOU
|
|
|
1700 handle_signal (SIGTTOU); /* POSIX */
|
|
|
1701 #endif
|
|
|
1702
|
|
|
1703 #ifdef SIGBUS
|
|
|
1704 handle_signal (SIGBUS); /* XPG5 */
|
|
|
1705 #endif
|
|
|
1706 #ifdef SIGPOLL
|
|
|
1707 handle_signal (SIGPOLL); /* XPG5 */
|
|
|
1708 #endif
|
|
|
1709 #ifdef SIGPROF
|
|
|
1710 handle_signal (SIGPROF); /* XPG5 */
|
|
0
|
1711 #endif
|
|
|
1712 #ifdef SIGSYS
|
|
280
|
1713 handle_signal (SIGSYS); /* XPG5 */
|
|
0
|
1714 #endif
|
|
|
1715 #ifdef SIGURG
|
|
280
|
1716 handle_signal (SIGURG); /* XPG5 */
|
|
0
|
1717 #endif
|
|
|
1718 #ifdef SIGXCPU
|
|
280
|
1719 handle_signal (SIGXCPU); /* XPG5 */
|
|
0
|
1720 #endif
|
|
|
1721 #ifdef SIGXFSZ
|
|
280
|
1722 handle_signal (SIGXFSZ); /* XPG5 */
|
|
0
|
1723 #endif
|
|
|
1724 #ifdef SIGVTALRM
|
|
280
|
1725 handle_signal (SIGVTALRM); /* XPG5 */
|
|
0
|
1726 #endif
|
|
280
|
1727
|
|
|
1728 #ifdef SIGIO
|
|
|
1729 handle_signal (SIGIO); /* BSD 4.2 */
|
|
0
|
1730 #endif
|
|
|
1731 #ifdef SIGWINCH
|
|
280
|
1732 handle_signal (SIGWINCH); /* BSD 4.3 */
|
|
|
1733 #endif
|
|
|
1734
|
|
|
1735 #ifdef SIGEMT
|
|
|
1736 handle_signal (SIGEMT);
|
|
0
|
1737 #endif
|
|
|
1738 #ifdef SIGINFO
|
|
280
|
1739 handle_signal (SIGINFO);
|
|
|
1740 #endif
|
|
|
1741 #ifdef SIGHWE
|
|
|
1742 handle_signal (SIGHWE);
|
|
|
1743 #endif
|
|
|
1744 #ifdef SIGPRE
|
|
|
1745 handle_signal (SIGPRE);
|
|
|
1746 #endif
|
|
|
1747 #ifdef SIGUME
|
|
|
1748 handle_signal (SIGUME);
|
|
|
1749 #endif
|
|
|
1750 #ifdef SIGDLK
|
|
|
1751 handle_signal (SIGDLK);
|
|
|
1752 #endif
|
|
|
1753 #ifdef SIGCPULIM
|
|
|
1754 handle_signal (SIGCPULIM);
|
|
|
1755 #endif
|
|
|
1756 #ifdef SIGIOT
|
|
|
1757 handle_signal (SIGIOT);
|
|
|
1758 #endif
|
|
|
1759 #ifdef SIGLOST
|
|
|
1760 handle_signal (SIGLOST);
|
|
0
|
1761 #endif
|
|
280
|
1762 #ifdef SIGSTKFLT
|
|
|
1763 handle_signal (SIGSTKFLT);
|
|
|
1764 #endif
|
|
|
1765 #ifdef SIGUNUSED
|
|
|
1766 handle_signal (SIGUNUSED);
|
|
|
1767 #endif
|
|
|
1768 #ifdef SIGDANGER
|
|
380
|
1769 handle_signal (SIGDANGER); /* AIX */
|
|
280
|
1770 #endif
|
|
|
1771 #ifdef SIGMSG
|
|
|
1772 handle_signal (SIGMSG);
|
|
0
|
1773 #endif
|
|
280
|
1774 #ifdef SIGSOUND
|
|
|
1775 handle_signal (SIGSOUND);
|
|
|
1776 #endif
|
|
|
1777 #ifdef SIGRETRACT
|
|
|
1778 handle_signal (SIGRETRACT);
|
|
|
1779 #endif
|
|
|
1780 #ifdef SIGGRANT
|
|
|
1781 handle_signal (SIGGRANT);
|
|
|
1782 #endif
|
|
|
1783 #ifdef SIGPWR
|
|
|
1784 handle_signal (SIGPWR);
|
|
0
|
1785 #endif
|
|
|
1786 else
|
|
|
1787 error ("Undefined signal name %s", name);
|
|
|
1788 }
|
|
|
1789
|
|
|
1790 #undef handle_signal
|
|
|
1791
|
|
263
|
1792 return make_int (PROCMETH_OR_GIVEN (kill_process_by_pid,
|
|
|
1793 (XINT (pid), XINT (sigcode)), -1));
|
|
0
|
1794 }
|
|
|
1795
|
|
20
|
1796 DEFUN ("process-send-eof", Fprocess_send_eof, 0, 1, 0, /*
|
|
0
|
1797 Make PROCESS see end-of-file in its input.
|
|
|
1798 PROCESS may be a process, a buffer, the name of a process or buffer, or
|
|
|
1799 nil, indicating the current buffer's process.
|
|
|
1800 If PROCESS is a network connection, or is a process communicating
|
|
|
1801 through a pipe (as opposed to a pty), then you cannot send any more
|
|
|
1802 text to PROCESS after you call this function.
|
|
20
|
1803 */
|
|
|
1804 (process))
|
|
0
|
1805 {
|
|
|
1806 /* This function can GC */
|
|
280
|
1807 Lisp_Object proc = get_process (process);
|
|
0
|
1808
|
|
|
1809 /* Make sure the process is really alive. */
|
|
|
1810 if (! EQ (XPROCESS (proc)->status_symbol, Qrun))
|
|
16
|
1811 error ("Process %s not running", XSTRING_DATA (XPROCESS (proc)->name));
|
|
0
|
1812
|
|
263
|
1813 if (!MAYBE_INT_PROCMETH (process_send_eof, (proc)))
|
|
0
|
1814 {
|
|
267
|
1815 if (!NILP (DATA_OUTSTREAM (XPROCESS (proc))))
|
|
|
1816 {
|
|
|
1817 Lstream_close (XLSTREAM (DATA_OUTSTREAM (XPROCESS (proc))));
|
|
|
1818 event_stream_delete_stream_pair (Qnil, XPROCESS (proc)->pipe_outstream);
|
|
|
1819 XPROCESS (proc)->pipe_outstream = Qnil;
|
|
263
|
1820 #ifdef FILE_CODING
|
|
267
|
1821 XPROCESS (proc)->coding_outstream = Qnil;
|
|
0
|
1822 #endif
|
|
267
|
1823 }
|
|
0
|
1824 }
|
|
209
|
1825
|
|
0
|
1826 return process;
|
|
|
1827 }
|
|
|
1828
|
|
|
1829
|
|
|
1830 /************************************************************************/
|
|
|
1831 /* deleting a process */
|
|
|
1832 /************************************************************************/
|
|
|
1833
|
|
|
1834 void
|
|
|
1835 deactivate_process (Lisp_Object proc)
|
|
|
1836 {
|
|
398
|
1837 Lisp_Process *p = XPROCESS (proc);
|
|
263
|
1838 USID usid;
|
|
0
|
1839
|
|
263
|
1840 /* It's possible that we got as far in the process-creation
|
|
|
1841 process as creating the descriptors but didn't get so
|
|
|
1842 far as selecting the process for input. In this
|
|
|
1843 case, p->pid is nil: p->pid is set at the same time that
|
|
|
1844 the process is selected for input. */
|
|
|
1845 /* #### The comment does not look correct. event_stream_unselect_process
|
|
|
1846 is guarded by process->selected, so this is not a problem. - kkm*/
|
|
|
1847 /* Must call this before setting the streams to nil */
|
|
|
1848 event_stream_unselect_process (p);
|
|
0
|
1849
|
|
267
|
1850 if (!NILP (DATA_OUTSTREAM (p)))
|
|
|
1851 Lstream_close (XLSTREAM (DATA_OUTSTREAM (p)));
|
|
|
1852 if (!NILP (DATA_INSTREAM (p)))
|
|
|
1853 Lstream_close (XLSTREAM (DATA_INSTREAM (p)));
|
|
|
1854
|
|
263
|
1855 /* Provide minimal implementation for deactivate_process
|
|
|
1856 if there's no process-specific one */
|
|
|
1857 if (HAS_PROCMETH_P (deactivate_process))
|
|
|
1858 usid = PROCMETH (deactivate_process, (p));
|
|
|
1859 else
|
|
|
1860 usid = event_stream_delete_stream_pair (p->pipe_instream,
|
|
|
1861 p->pipe_outstream);
|
|
0
|
1862
|
|
263
|
1863 if (usid != USID_DONTHASH)
|
|
398
|
1864 remhash ((const void*)usid, usid_to_process);
|
|
263
|
1865
|
|
|
1866 p->pipe_instream = Qnil;
|
|
|
1867 p->pipe_outstream = Qnil;
|
|
|
1868 #ifdef FILE_CODING
|
|
|
1869 p->coding_instream = Qnil;
|
|
|
1870 p->coding_outstream = Qnil;
|
|
|
1871 #endif
|
|
0
|
1872 }
|
|
|
1873
|
|
|
1874 static void
|
|
|
1875 remove_process (Lisp_Object proc)
|
|
|
1876 {
|
|
|
1877 Vprocess_list = delq_no_quit (proc, Vprocess_list);
|
|
|
1878 Fset_marker (XPROCESS (proc)->mark, Qnil, Qnil);
|
|
|
1879
|
|
|
1880 deactivate_process (proc);
|
|
|
1881 }
|
|
|
1882
|
|
20
|
1883 DEFUN ("delete-process", Fdelete_process, 1, 1, 0, /*
|
|
0
|
1884 Delete PROCESS: kill it and forget about it immediately.
|
|
|
1885 PROCESS may be a process or the name of one, or a buffer name.
|
|
20
|
1886 */
|
|
|
1887 (proc))
|
|
0
|
1888 {
|
|
|
1889 /* This function can GC */
|
|
398
|
1890 Lisp_Process *p;
|
|
0
|
1891 proc = get_process (proc);
|
|
|
1892 p = XPROCESS (proc);
|
|
|
1893 if (network_connection_p (proc))
|
|
|
1894 {
|
|
|
1895 p->status_symbol = Qexit;
|
|
|
1896 p->exit_code = 0;
|
|
|
1897 p->core_dumped = 0;
|
|
|
1898 p->tick++;
|
|
|
1899 process_tick++;
|
|
|
1900 }
|
|
398
|
1901 else if (PROCESS_LIVE_P (p))
|
|
0
|
1902 {
|
|
|
1903 Fkill_process (proc, Qnil);
|
|
|
1904 /* Do this now, since remove_process will make sigchld_handler do nothing. */
|
|
|
1905 p->status_symbol = Qsignal;
|
|
|
1906 p->exit_code = SIGKILL;
|
|
|
1907 p->core_dumped = 0;
|
|
|
1908 p->tick++;
|
|
|
1909 process_tick++;
|
|
|
1910 status_notify ();
|
|
|
1911 }
|
|
|
1912 remove_process (proc);
|
|
|
1913 return Qnil;
|
|
|
1914 }
|
|
|
1915
|
|
|
1916 /* Kill all processes associated with `buffer'.
|
|
|
1917 If `buffer' is nil, kill all processes */
|
|
|
1918
|
|
|
1919 void
|
|
|
1920 kill_buffer_processes (Lisp_Object buffer)
|
|
|
1921 {
|
|
|
1922 Lisp_Object tail;
|
|
|
1923
|
|
398
|
1924 for (tail = Vprocess_list; CONSP (tail);
|
|
0
|
1925 tail = XCDR (tail))
|
|
|
1926 {
|
|
|
1927 Lisp_Object proc = XCAR (tail);
|
|
398
|
1928 if (PROCESSP (proc)
|
|
|
1929 && (NILP (buffer) || EQ (XPROCESS (proc)->buffer, buffer)))
|
|
0
|
1930 {
|
|
|
1931 if (network_connection_p (proc))
|
|
|
1932 Fdelete_process (proc);
|
|
398
|
1933 else if (PROCESS_LIVE_P (XPROCESS (proc)))
|
|
0
|
1934 process_send_signal (proc, SIGHUP, 0, 1);
|
|
|
1935 }
|
|
|
1936 }
|
|
|
1937 }
|
|
|
1938
|
|
20
|
1939 DEFUN ("process-kill-without-query", Fprocess_kill_without_query, 1, 2, 0, /*
|
|
0
|
1940 Say no query needed if PROCESS is running when Emacs is exited.
|
|
|
1941 Optional second argument if non-nil says to require a query.
|
|
|
1942 Value is t if a query was formerly required.
|
|
20
|
1943 */
|
|
|
1944 (proc, require_query_p))
|
|
0
|
1945 {
|
|
|
1946 int tem;
|
|
|
1947
|
|
|
1948 CHECK_PROCESS (proc);
|
|
|
1949 tem = XPROCESS (proc)->kill_without_query;
|
|
|
1950 XPROCESS (proc)->kill_without_query = NILP (require_query_p);
|
|
|
1951
|
|
173
|
1952 return tem ? Qnil : Qt;
|
|
0
|
1953 }
|
|
|
1954
|
|
20
|
1955 DEFUN ("process-kill-without-query-p", Fprocess_kill_without_query_p, 1, 1, 0, /*
|
|
0
|
1956 Whether PROC will be killed without query if running when emacs is exited.
|
|
20
|
1957 */
|
|
|
1958 (proc))
|
|
0
|
1959 {
|
|
|
1960 CHECK_PROCESS (proc);
|
|
173
|
1961 return XPROCESS (proc)->kill_without_query ? Qt : Qnil;
|
|
0
|
1962 }
|
|
|
1963
|
|
|
1964
|
|
|
1965 /* This is not named init_process in order to avoid a conflict with NS 3.3 */
|
|
|
1966 void
|
|
|
1967 init_xemacs_process (void)
|
|
|
1968 {
|
|
263
|
1969 MAYBE_PROCMETH (init_process, ());
|
|
0
|
1970
|
|
|
1971 Vprocess_list = Qnil;
|
|
380
|
1972
|
|
|
1973 if (usid_to_process)
|
|
|
1974 clrhash (usid_to_process);
|
|
|
1975 else
|
|
|
1976 usid_to_process = make_hash_table (32);
|
|
0
|
1977 }
|
|
149
|
1978
|
|
0
|
1979 #if 0
|
|
|
1980
|
|
149
|
1981 xxDEFUN ("process-connection", Fprocess_connection, 0, 1, 0, /*
|
|
0
|
1982 Return the connection type of `PROCESS'. This can be nil (pipe),
|
|
|
1983 t or pty (pty) or stream (socket connection).
|
|
149
|
1984 */
|
|
|
1985 (process))
|
|
0
|
1986 {
|
|
|
1987 return XPROCESS (process)->type;
|
|
|
1988 }
|
|
|
1989
|
|
|
1990 #endif /* 0 */
|
|
|
1991
|
|
|
1992 void
|
|
|
1993 syms_of_process (void)
|
|
|
1994 {
|
|
400
|
1995 INIT_LRECORD_IMPLEMENTATION (process);
|
|
|
1996
|
|
0
|
1997 defsymbol (&Qprocessp, "processp");
|
|
398
|
1998 defsymbol (&Qprocess_live_p, "process-live-p");
|
|
0
|
1999 defsymbol (&Qrun, "run");
|
|
|
2000 defsymbol (&Qstop, "stop");
|
|
|
2001 defsymbol (&Qopen, "open");
|
|
|
2002 defsymbol (&Qclosed, "closed");
|
|
|
2003
|
|
398
|
2004 defsymbol (&Qtcp, "tcp");
|
|
|
2005 defsymbol (&Qudp, "udp");
|
|
263
|
2006
|
|
259
|
2007 #ifdef HAVE_MULTICAST
|
|
|
2008 defsymbol(&Qmulticast, "multicast"); /* Used for occasional warnings */
|
|
|
2009 #endif
|
|
|
2010
|
|
20
|
2011 DEFSUBR (Fprocessp);
|
|
398
|
2012 DEFSUBR (Fprocess_live_p);
|
|
20
|
2013 DEFSUBR (Fget_process);
|
|
|
2014 DEFSUBR (Fget_buffer_process);
|
|
|
2015 DEFSUBR (Fdelete_process);
|
|
|
2016 DEFSUBR (Fprocess_status);
|
|
|
2017 DEFSUBR (Fprocess_exit_status);
|
|
|
2018 DEFSUBR (Fprocess_id);
|
|
|
2019 DEFSUBR (Fprocess_name);
|
|
|
2020 DEFSUBR (Fprocess_tty_name);
|
|
|
2021 DEFSUBR (Fprocess_command);
|
|
|
2022 DEFSUBR (Fset_process_buffer);
|
|
|
2023 DEFSUBR (Fprocess_buffer);
|
|
|
2024 DEFSUBR (Fprocess_mark);
|
|
|
2025 DEFSUBR (Fset_process_filter);
|
|
|
2026 DEFSUBR (Fprocess_filter);
|
|
|
2027 DEFSUBR (Fset_process_window_size);
|
|
|
2028 DEFSUBR (Fset_process_sentinel);
|
|
|
2029 DEFSUBR (Fprocess_sentinel);
|
|
|
2030 DEFSUBR (Fprocess_kill_without_query);
|
|
|
2031 DEFSUBR (Fprocess_kill_without_query_p);
|
|
|
2032 DEFSUBR (Fprocess_list);
|
|
|
2033 DEFSUBR (Fstart_process_internal);
|
|
0
|
2034 #ifdef HAVE_SOCKETS
|
|
20
|
2035 DEFSUBR (Fopen_network_stream_internal);
|
|
259
|
2036 #ifdef HAVE_MULTICAST
|
|
|
2037 DEFSUBR (Fopen_multicast_group_internal);
|
|
|
2038 #endif /* HAVE_MULTICAST */
|
|
0
|
2039 #endif /* HAVE_SOCKETS */
|
|
20
|
2040 DEFSUBR (Fprocess_send_region);
|
|
|
2041 DEFSUBR (Fprocess_send_string);
|
|
|
2042 DEFSUBR (Finterrupt_process);
|
|
|
2043 DEFSUBR (Fkill_process);
|
|
|
2044 DEFSUBR (Fquit_process);
|
|
|
2045 DEFSUBR (Fstop_process);
|
|
|
2046 DEFSUBR (Fcontinue_process);
|
|
|
2047 DEFSUBR (Fprocess_send_eof);
|
|
|
2048 DEFSUBR (Fsignal_process);
|
|
|
2049 /* DEFSUBR (Fprocess_connection); */
|
|
259
|
2050 #ifdef FILE_CODING
|
|
70
|
2051 DEFSUBR (Fprocess_input_coding_system);
|
|
|
2052 DEFSUBR (Fprocess_output_coding_system);
|
|
|
2053 DEFSUBR (Fset_process_input_coding_system);
|
|
|
2054 DEFSUBR (Fset_process_output_coding_system);
|
|
120
|
2055 DEFSUBR (Fprocess_coding_system);
|
|
|
2056 DEFSUBR (Fset_process_coding_system);
|
|
263
|
2057 #endif /* FILE_CODING */
|
|
0
|
2058 }
|
|
|
2059
|
|
|
2060 void
|
|
|
2061 vars_of_process (void)
|
|
|
2062 {
|
|
|
2063 Fprovide (intern ("subprocesses"));
|
|
|
2064 #ifdef HAVE_SOCKETS
|
|
|
2065 Fprovide (intern ("network-streams"));
|
|
259
|
2066 #ifdef HAVE_MULTICAST
|
|
|
2067 Fprovide (intern ("multicast"));
|
|
|
2068 #endif /* HAVE_MULTICAST */
|
|
|
2069 #endif /* HAVE_SOCKETS */
|
|
0
|
2070 staticpro (&Vprocess_list);
|
|
|
2071
|
|
|
2072 DEFVAR_BOOL ("delete-exited-processes", &delete_exited_processes /*
|
|
|
2073 *Non-nil means delete processes immediately when they exit.
|
|
|
2074 nil means don't delete them until `list-processes' is run.
|
|
|
2075 */ );
|
|
|
2076
|
|
|
2077 delete_exited_processes = 1;
|
|
|
2078
|
|
410
|
2079 DEFVAR_CONST_LISP ("null-device", &Vnull_device /*
|
|
|
2080 Name of the null device, which differs from system to system.
|
|
|
2081 The null device is a filename that acts as a sink for arbitrary amounts of
|
|
|
2082 data, which is discarded, or as a source for a zero-length file.
|
|
|
2083 It is available on all the systems that we currently support, but with
|
|
|
2084 different names (typically either `/dev/null' or `nul').
|
|
|
2085
|
|
|
2086 Note that there is also a /dev/zero on most modern Unix versions (including
|
|
|
2087 Cygwin), which acts like /dev/null when used as a sink, but as a source
|
|
|
2088 it sends a non-ending stream of zero bytes. It's used most often along
|
|
|
2089 with memory-mapping. We don't provide a Lisp variable for this because
|
|
|
2090 the operations needing this are lower level than what ELisp programs
|
|
|
2091 typically do, and in any case no equivalent exists under native MS Windows.
|
|
|
2092 */ );
|
|
|
2093 Vnull_device = build_string (NULL_DEVICE);
|
|
|
2094
|
|
0
|
2095 DEFVAR_LISP ("process-connection-type", &Vprocess_connection_type /*
|
|
|
2096 Control type of device used to communicate with subprocesses.
|
|
|
2097 Values are nil to use a pipe, or t or `pty' to use a pty.
|
|
|
2098 The value has no effect if the system has no ptys or if all ptys are busy:
|
|
|
2099 then a pipe is used in any case.
|
|
|
2100 The value takes effect when `start-process' is called.
|
|
|
2101 */ );
|
|
|
2102 Vprocess_connection_type = Qt;
|
|
153
|
2103
|
|
278
|
2104 DEFVAR_BOOL ("windowed-process-io", &windowed_process_io /*
|
|
380
|
2105 Enables input/output on standard handles of a windowed process.
|
|
278
|
2106 When this variable is nil (the default), XEmacs does not attempt to read
|
|
|
2107 standard output handle of a windowed process. Instead, the process is
|
|
|
2108 immediately marked as exited immediately upon successful launching. This is
|
|
380
|
2109 done because normal windowed processes do not use standard I/O, as they are
|
|
278
|
2110 not connected to any console.
|
|
|
2111
|
|
|
2112 When launching a specially crafted windowed process, which expects to be
|
|
|
2113 launched by XEmacs, or by other program which pipes its standard input and
|
|
|
2114 output, this variable must be set to non-nil, in which case XEmacs will
|
|
|
2115 treat this process just like a console process.
|
|
|
2116
|
|
|
2117 NOTE: You should never set this variable, only bind it.
|
|
|
2118
|
|
|
2119 Only Windows processes can be "windowed" or "console". This variable has no
|
|
|
2120 effect on UNIX processes, because all UNIX processes are "console".
|
|
|
2121 */ );
|
|
|
2122 windowed_process_io = 0;
|
|
|
2123
|
|
153
|
2124 #ifdef PROCESS_IO_BLOCKING
|
|
|
2125 DEFVAR_LISP ("network-stream-blocking-port-list", &network_stream_blocking_port_list /*
|
|
|
2126 List of port numbers or port names to set a blocking I/O mode with connection.
|
|
|
2127 Nil value means to set a default(non-blocking) I/O mode.
|
|
|
2128 The value takes effect when `open-network-stream-internal' is called.
|
|
|
2129 */ );
|
|
|
2130 network_stream_blocking_port_list = Qnil;
|
|
|
2131 #endif /* PROCESS_IO_BLOCKING */
|
|
0
|
2132 }
|
|
|
2133
|
|
|
2134 #endif /* not NO_SUBPROCESSES */
|
