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428
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1 /* TTY console functions.
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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800
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4 Copyright (C) 1996, 2001, 2002 Ben Wing.
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428
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* Authors: Ben Wing and Chuck Thompson. */
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26
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27 #include <config.h>
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28 #include "lisp.h"
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29
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872
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30 #include "console-tty-impl.h"
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428
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31 #include "console-stream.h"
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872
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32
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428
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33 #include "faces.h"
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872
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34 #include "file-coding.h"
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428
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35 #include "frame.h"
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872
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36 #include "glyphs.h"
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428
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37 #include "lstream.h"
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872
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38 #include "process.h"
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39
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428
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40 #include "sysdep.h"
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41 #include "sysfile.h"
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42
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43 DEFINE_CONSOLE_TYPE (tty);
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44 DECLARE_IMAGE_INSTANTIATOR_FORMAT (nothing);
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45 DECLARE_IMAGE_INSTANTIATOR_FORMAT (string);
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46 DECLARE_IMAGE_INSTANTIATOR_FORMAT (formatted_string);
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47 DECLARE_IMAGE_INSTANTIATOR_FORMAT (inherit);
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48
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49 Lisp_Object Qterminal_type;
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50 Lisp_Object Qcontrolling_process;
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51
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1204
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52 static const struct memory_description tty_console_data_description_1 [] = {
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53 { XD_LISP_OBJECT, offsetof (struct tty_console, terminal_type) },
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54 { XD_LISP_OBJECT, offsetof (struct tty_console, instream) },
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55 { XD_LISP_OBJECT, offsetof (struct tty_console, outstream) },
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56 { XD_END }
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57 };
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58
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59 const struct sized_memory_description tty_console_data_description = {
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60 sizeof (struct tty_console), tty_console_data_description_1
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61 };
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62
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428
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63
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64 static void
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65 allocate_tty_console_struct (struct console *con)
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66 {
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67 /* zero out all slots except the lisp ones ... */
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68 CONSOLE_TTY_DATA (con) = xnew_and_zero (struct tty_console);
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69 CONSOLE_TTY_DATA (con)->terminal_type = Qnil;
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70 CONSOLE_TTY_DATA (con)->instream = Qnil;
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71 CONSOLE_TTY_DATA (con)->outstream = Qnil;
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72 }
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73
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74 static void
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75 tty_init_console (struct console *con, Lisp_Object props)
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76 {
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77 Lisp_Object tty = CONSOLE_CONNECTION (con);
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78 Lisp_Object terminal_type = Qnil;
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79 Lisp_Object controlling_process = Qnil;
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80 struct tty_console *tty_con;
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81 struct gcpro gcpro1, gcpro2;
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82
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83 GCPRO2 (terminal_type, controlling_process);
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84
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85 terminal_type = Fplist_get (props, Qterminal_type, Qnil);
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86 controlling_process = Fplist_get (props, Qcontrolling_process, Qnil);
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87
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88 /* Determine the terminal type */
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89
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90 if (!NILP (terminal_type))
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91 CHECK_STRING (terminal_type);
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92 else
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93 {
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867
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94 Ibyte *temp_type = egetenv ("TERM");
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428
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95
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96 if (!temp_type)
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97 {
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563
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98 invalid_state ("Cannot determine terminal type", Qunbound);
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428
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99 }
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100 else
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771
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101 terminal_type = build_intstring (temp_type);
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428
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102 }
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103
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104 /* Determine the controlling process */
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105 if (!NILP (controlling_process))
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106 CHECK_INT (controlling_process);
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107
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108 /* Open the specified console */
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109
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110 allocate_tty_console_struct (con);
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111 tty_con = CONSOLE_TTY_DATA (con);
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112
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113 if (internal_equal (tty, Vstdio_str, 0))
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114 {
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115 tty_con->infd = fileno (stdin);
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116 tty_con->outfd = fileno (stdout);
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117 tty_con->is_stdio = 1;
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118 }
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119 else
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120 {
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121 tty_con->infd = tty_con->outfd =
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771
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122 qxe_open (XSTRING_DATA (tty), O_RDWR);
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428
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123 if (tty_con->infd < 0)
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563
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124 signal_error (Qio_error, "Unable to open tty", tty);
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428
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125 tty_con->is_stdio = 0;
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126 }
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127
|
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802
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128 /* set_descriptor_non_blocking (tty_con->infd); */
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428
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129 tty_con->instream = make_filedesc_input_stream (tty_con->infd, 0, -1, 0);
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771
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130 Lstream_set_buffering (XLSTREAM (tty_con->instream), LSTREAM_UNBUFFERED, 0);
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428
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131 tty_con->instream =
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771
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132 make_coding_input_stream (XLSTREAM (tty_con->instream),
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133 get_coding_system_for_text_file (Qkeyboard, 0),
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814
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134 CODING_DECODE,
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135 LSTREAM_FL_READ_ONE_BYTE_AT_A_TIME);
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771
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136 Lstream_set_buffering (XLSTREAM (tty_con->instream), LSTREAM_UNBUFFERED, 0);
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137 tty_con->outstream = make_filedesc_output_stream (tty_con->outfd, 0, -1, 0);
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428
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138 tty_con->outstream =
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771
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139 make_coding_output_stream (XLSTREAM (tty_con->outstream),
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140 get_coding_system_for_text_file (Qterminal, 0),
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800
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141 CODING_ENCODE, 0);
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428
|
142 tty_con->terminal_type = terminal_type;
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143 tty_con->controlling_process = controlling_process;
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144
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145 if (NILP (CONSOLE_NAME (con)))
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146 CONSOLE_NAME (con) = Ffile_name_nondirectory (tty);
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147 {
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442
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148 pid_t tty_pg;
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149 pid_t controlling_tty_pg;
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428
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150 int cfd;
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151
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152 /* OK, the only sure-fire way I can think of to determine
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153 whether a particular TTY is our controlling TTY is to check
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154 if it has the same foreground process group as our controlling
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155 TTY. This is OK because a process group can never simultaneously
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156 be the foreground process group of two TTY's (in that case it
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157 would have two controlling TTY's, which is not allowed). */
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158
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159 EMACS_GET_TTY_PROCESS_GROUP (tty_con->infd, &tty_pg);
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867
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160 cfd = qxe_open ((Ibyte *) "/dev/tty", O_RDWR, 0);
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428
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161 EMACS_GET_TTY_PROCESS_GROUP (cfd, &controlling_tty_pg);
|
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771
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162 retry_close (cfd);
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428
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163 if (tty_pg == controlling_tty_pg)
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164 {
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165 tty_con->controlling_terminal = 1;
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793
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166 Vcontrolling_terminal = wrap_console (con);
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428
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167 munge_tty_process_group ();
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168 }
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169 else
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170 tty_con->controlling_terminal = 0;
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171 }
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172
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173 UNGCPRO;
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174 }
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175
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176 static void
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177 tty_mark_console (struct console *con)
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178 {
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179 struct tty_console *tty_con = CONSOLE_TTY_DATA (con);
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180 mark_object (tty_con->terminal_type);
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181 mark_object (tty_con->instream);
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182 mark_object (tty_con->outstream);
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183 }
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184
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185 static int
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2286
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186 tty_initially_selected_for_input (struct console *UNUSED (con))
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428
|
187 {
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188 return 1;
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189 }
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190
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191 static void
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192 free_tty_console_struct (struct console *con)
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193 {
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194 struct tty_console *tty_con = CONSOLE_TTY_DATA (con);
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195 if (tty_con)
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196 {
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|
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197 if (tty_con->term_entry_buffer) /* allocated in term_init () */
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|
|
198 {
|
|
1726
|
199 xfree (tty_con->term_entry_buffer, char *);
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428
|
200 tty_con->term_entry_buffer = NULL;
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|
|
201 }
|
|
1726
|
202 xfree (tty_con, struct tty_console *);
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428
|
203 CONSOLE_TTY_DATA (con) = NULL;
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|
|
204 }
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|
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205 }
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206
|
|
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207 static void
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|
|
208 tty_delete_console (struct console *con)
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|
|
209 {
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|
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210 Lstream_close (XLSTREAM (CONSOLE_TTY_DATA (con)->instream));
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211 Lstream_close (XLSTREAM (CONSOLE_TTY_DATA (con)->outstream));
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|
|
212 if (!CONSOLE_TTY_DATA (con)->is_stdio)
|
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771
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213 retry_close (CONSOLE_TTY_DATA (con)->infd);
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|
428
|
214 if (CONSOLE_TTY_DATA (con)->controlling_terminal)
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|
|
215 {
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|
|
216 Vcontrolling_terminal = Qnil;
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|
|
217 unmunge_tty_process_group ();
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|
|
218 }
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|
|
219 free_tty_console_struct (con);
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|
|
220 }
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|
|
221
|
|
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222
|
|
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223 static struct console *
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|
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224 decode_tty_console (Lisp_Object console)
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|
|
225 {
|
|
793
|
226 console = wrap_console (decode_console (console));
|
|
428
|
227 CHECK_TTY_CONSOLE (console);
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|
|
228 return XCONSOLE (console);
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|
|
229 }
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|
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230
|
|
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231 DEFUN ("console-tty-terminal-type", Fconsole_tty_terminal_type,
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|
|
232 0, 1, 0, /*
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|
|
233 Return the terminal type of TTY console CONSOLE.
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|
|
234 */
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|
235 (console))
|
|
|
236 {
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|
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237 return CONSOLE_TTY_DATA (decode_tty_console (console))->terminal_type;
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|
|
238 }
|
|
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239
|
|
|
240 DEFUN ("console-tty-controlling-process", Fconsole_tty_controlling_process,
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|
|
241 0, 1, 0, /*
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|
|
242 Return the controlling process of tty console CONSOLE.
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|
|
243 */
|
|
|
244 (console))
|
|
|
245 {
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|
|
246 return CONSOLE_TTY_DATA (decode_tty_console (console))->controlling_process;
|
|
|
247 }
|
|
|
248
|
|
|
249
|
|
|
250 DEFUN ("console-tty-input-coding-system", Fconsole_tty_input_coding_system,
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|
|
251 0, 1, 0, /*
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|
|
252 Return the input coding system of tty console CONSOLE.
|
|
|
253 */
|
|
|
254 (console))
|
|
|
255 {
|
|
771
|
256 return coding_stream_detected_coding_system
|
|
428
|
257 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->instream));
|
|
|
258 }
|
|
|
259
|
|
|
260 DEFUN ("set-console-tty-input-coding-system", Fset_console_tty_input_coding_system,
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|
|
261 0, 2, 0, /*
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|
|
262 Set the input coding system of tty console CONSOLE to CODESYS.
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|
|
263 CONSOLE defaults to the selected console.
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|
|
264 CODESYS defaults to the value of `keyboard-coding-system'.
|
|
|
265 */
|
|
|
266 (console, codesys))
|
|
|
267 {
|
|
771
|
268 set_coding_stream_coding_system
|
|
428
|
269 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->instream),
|
|
771
|
270 get_coding_system_for_text_file (NILP (codesys) ? Qkeyboard : codesys,
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|
|
271 0));
|
|
428
|
272 return Qnil;
|
|
|
273 }
|
|
|
274
|
|
|
275 DEFUN ("console-tty-output-coding-system", Fconsole_tty_output_coding_system,
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|
|
276 0, 1, 0, /*
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|
|
277 Return TTY CONSOLE's output coding system.
|
|
|
278 */
|
|
|
279 (console))
|
|
|
280 {
|
|
771
|
281 return coding_stream_coding_system
|
|
428
|
282 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->outstream));
|
|
|
283 }
|
|
|
284
|
|
|
285 DEFUN ("set-console-tty-output-coding-system", Fset_console_tty_output_coding_system,
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|
|
286 0, 2, 0, /*
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|
|
287 Set the coding system of tty output of console CONSOLE to CODESYS.
|
|
|
288 CONSOLE defaults to the selected console.
|
|
|
289 CODESYS defaults to the value of `terminal-coding-system'.
|
|
|
290 */
|
|
|
291 (console, codesys))
|
|
|
292 {
|
|
771
|
293 set_coding_stream_coding_system
|
|
428
|
294 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->outstream),
|
|
771
|
295 get_coding_system_for_text_file (NILP (codesys) ? Qterminal : codesys,
|
|
|
296 0));
|
|
438
|
297 /* Redraw tty */
|
|
|
298 face_property_was_changed (Vdefault_face, Qfont, Qtty);
|
|
428
|
299 return Qnil;
|
|
|
300 }
|
|
|
301
|
|
440
|
302 /* #### Move this function to lisp */
|
|
428
|
303 DEFUN ("set-console-tty-coding-system", Fset_console_tty_coding_system,
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|
|
304 0, 2, 0, /*
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|
|
305 Set the input and output coding systems of tty console CONSOLE to CODESYS.
|
|
|
306 CONSOLE defaults to the selected console.
|
|
|
307 If CODESYS is nil, the values of `keyboard-coding-system' and
|
|
|
308 `terminal-coding-system' will be used for the input and
|
|
|
309 output coding systems of CONSOLE.
|
|
|
310 */
|
|
|
311 (console, codesys))
|
|
|
312 {
|
|
|
313 Fset_console_tty_input_coding_system (console, codesys);
|
|
|
314 Fset_console_tty_output_coding_system (console, codesys);
|
|
|
315 return Qnil;
|
|
|
316 }
|
|
|
317
|
|
|
318
|
|
|
319 Lisp_Object
|
|
|
320 tty_semi_canonicalize_console_connection (Lisp_Object connection,
|
|
578
|
321 Error_Behavior errb)
|
|
428
|
322 {
|
|
|
323 return stream_semi_canonicalize_console_connection (connection, errb);
|
|
|
324 }
|
|
|
325
|
|
|
326 Lisp_Object
|
|
|
327 tty_canonicalize_console_connection (Lisp_Object connection,
|
|
578
|
328 Error_Behavior errb)
|
|
428
|
329 {
|
|
|
330 return stream_canonicalize_console_connection (connection, errb);
|
|
|
331 }
|
|
|
332
|
|
|
333 Lisp_Object
|
|
|
334 tty_semi_canonicalize_device_connection (Lisp_Object connection,
|
|
578
|
335 Error_Behavior errb)
|
|
428
|
336 {
|
|
|
337 return stream_semi_canonicalize_console_connection (connection, errb);
|
|
|
338 }
|
|
|
339
|
|
|
340 Lisp_Object
|
|
|
341 tty_canonicalize_device_connection (Lisp_Object connection,
|
|
578
|
342 Error_Behavior errb)
|
|
428
|
343 {
|
|
|
344 return stream_canonicalize_console_connection (connection, errb);
|
|
|
345 }
|
|
|
346
|
|
|
347
|
|
|
348 /************************************************************************/
|
|
|
349 /* initialization */
|
|
|
350 /************************************************************************/
|
|
|
351
|
|
|
352 void
|
|
|
353 syms_of_console_tty (void)
|
|
|
354 {
|
|
|
355 DEFSUBR (Fconsole_tty_terminal_type);
|
|
|
356 DEFSUBR (Fconsole_tty_controlling_process);
|
|
563
|
357 DEFSYMBOL (Qterminal_type);
|
|
|
358 DEFSYMBOL (Qcontrolling_process);
|
|
428
|
359 DEFSUBR (Fconsole_tty_output_coding_system);
|
|
|
360 DEFSUBR (Fset_console_tty_output_coding_system);
|
|
|
361 DEFSUBR (Fconsole_tty_input_coding_system);
|
|
|
362 DEFSUBR (Fset_console_tty_input_coding_system);
|
|
|
363 DEFSUBR (Fset_console_tty_coding_system);
|
|
|
364 }
|
|
|
365
|
|
|
366 void
|
|
|
367 console_type_create_tty (void)
|
|
|
368 {
|
|
|
369 INITIALIZE_CONSOLE_TYPE (tty, "tty", "console-tty-p");
|
|
|
370
|
|
|
371 /* console methods */
|
|
|
372 CONSOLE_HAS_METHOD (tty, init_console);
|
|
|
373 CONSOLE_HAS_METHOD (tty, mark_console);
|
|
|
374 CONSOLE_HAS_METHOD (tty, initially_selected_for_input);
|
|
|
375 CONSOLE_HAS_METHOD (tty, delete_console);
|
|
|
376 CONSOLE_HAS_METHOD (tty, canonicalize_console_connection);
|
|
|
377 CONSOLE_HAS_METHOD (tty, canonicalize_device_connection);
|
|
|
378 CONSOLE_HAS_METHOD (tty, semi_canonicalize_console_connection);
|
|
|
379 CONSOLE_HAS_METHOD (tty, semi_canonicalize_device_connection);
|
|
|
380 }
|
|
|
381
|
|
|
382 void
|
|
|
383 reinit_console_type_create_tty (void)
|
|
|
384 {
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385 REINITIALIZE_CONSOLE_TYPE (tty);
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386 }
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387
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388 void
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389 image_instantiator_format_create_glyphs_tty (void)
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390 {
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391 IIFORMAT_VALID_CONSOLE (tty, nothing);
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392 IIFORMAT_VALID_CONSOLE (tty, string);
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393 IIFORMAT_VALID_CONSOLE (tty, formatted_string);
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394 IIFORMAT_VALID_CONSOLE (tty, inherit);
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395 }
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396
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397 void
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398 vars_of_console_tty (void)
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399 {
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400 Fprovide (Qtty);
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401 }
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