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428
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1 /* Definitions file for GNU Emacs running on Data General's DG/UX
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2 version 4.32 upto and including 5.4.1.
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3 Copyright (C) 1994 Free Software Foundation, Inc.
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4
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5 This file is part of GNU Emacs.
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6
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7 GNU Emacs is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2, or (at your option)
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10 any later version.
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11
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12 GNU Emacs is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: FSF 19.31. */
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23
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24 /*
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25 * Define symbols to identify the version of Unix this is.
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26 * Define all the symbols that apply correctly.
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27 */
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28
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29 /* #define UNIPLUS */
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30 /* #define USG5 */
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31 /* #define USG */
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32 /* #define HPUX */
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33 /* #define UMAX */
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34 /* #define BSD4_1 */
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35 #define BSD4_2
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36 #define BSD4_3
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37 #define BSD4_4
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38 #define BSD
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39
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40 /* SYSTEM_TYPE should indicate the kind of system you are using.
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41 It sets the Lisp variable system-type. */
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42
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43 #define SYSTEM_TYPE "dgux"
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44
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45 /* XEmacs: There is apparently a bug in DGUX involving a SIGTTOU getting
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46 sent to the process if a background write is attempted when we're
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47 started under a job-control shell, if we turn on FASYNC (which we
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48 do when SIGIO is working). So don't use SIGIO. */
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49 #define BROKEN_SIGIO
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50
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51 /*
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52 * Define HAVE_UNIX_DOMAIN if the system supports Unix
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53 * domain sockets.
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54 */
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55
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56 #define HAVE_UNIX_DOMAIN
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57
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58 /*
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59 * Define HAVE_PTYS if the system supports pty devices.
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60 */
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61
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62 #define HAVE_PTYS
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63
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64 /* If your system uses COFF (Common Object File Format) then define the
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65 preprocessor symbol "COFF".
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66
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67 DGUX can use either COFF or ELF; the default is ELF.
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68 To compile for COFF (or BCS) use the TARGET_BINARY_INTERFACE
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69 environment variable. */
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70
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71 #if defined(_DGUXCOFF_TARGET) || defined(_DGUXBCS_TARGET)
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72 #undef ELF
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73 #ifndef COFF
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74 #define COFF
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75 #endif /* COFF */
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76 #else /* defined(_DGUXCOFF_TARGET) || defined(_DGUXBCS_TARGET) */
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77 #undef COFF
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78 #ifndef ELF
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79 #define ELF
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80 #endif /* ELF */
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81 #endif /* defined(_DGUXCOFF_TARGET) || defined(_DGUXBCS_TARGET) */
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82
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83 #ifndef COFF /* People will probably find this apparently unreliable
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84 till the NFS dumping bug is fixed. */
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85
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86 /* It is possible to undump to ELF with DG/UX 5.4, but for revisions below
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87 5.4.1 the undump MUST be done on a local file system, or the kernel will
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88 panic. ELF executables have the advantage of using shared libraries,
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89 while COFF executables will still work on 4.2x systems. */
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90
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91 #define UNEXEC "unexelf.o"
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92
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93 /* This makes sure that all segments in the executable are undumped,
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94 not just text, data, and bss. In the case of Mxdb and shared
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95 libraries, additional information is stored in other sections.
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96 It does not hurt to have this defined if you don't use Mxdb or
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97 shared libraries. In fact, it makes no difference. */
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98
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99 /* Necessary for shared libraries and Mxdb debugging information. */
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100 #define USG_SHARED_LIBRARIES
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101 #endif
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102
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103 /* define MAIL_USE_FLOCK if the mailer uses flock
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104 to interlock access to /usr/spool/mail/$USER.
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105 The alternative is that a lock file named
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106 /usr/spool/mail/$USER.lock. */
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107
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108 /* #define MAIL_USE_FLOCK */
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109
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110 /* Define a replacement for the baud rate switch, since DG/UX uses a different
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111 from BSD. */
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112
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113 #define BAUD_CONVERT { 0, 110, 134, 150, 300, 600, 1200, 1800, 2400, \
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114 4800, 9600, 19200, 38400 }
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115
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116 /*
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117 * Make WM Interface Compliant.
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118 */
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119
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120 #define XICCC
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121
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122 /* Here, on a separate page, add any special hacks needed
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123 to make Emacs work on this system. For example,
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124 you might define certain system call names that don't
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125 exist on your system, or that do different things on
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126 your system and must be used only through an encapsulation
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127 (Which you should place, by convention, in sysdep.c). */
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128
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129 /* DG/UX SPECIFIC ADDITIONS TO TEMPLATE FOLLOW: */
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130
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131 /* Use the Berkeley flavors of the library routines, instead of System V. */
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132
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133 #define setpgrp(pid, pgrp) setpgrp2 (pid, pgrp)
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134 #define getpgrp(pid) getpgrp2 (pid)
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135
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136 /* Use TERMINFO instead of termcap */
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137
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138 #define TERMINFO
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139
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140 /*
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141 * Use a Berkeley style sys/wait.h.
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142 * This makes WIF* macros operate on structures instead of ints.
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143 */
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144
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145 #define _BSD_WAIT_FLAVOR
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146
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147 /* #define SYSTEM_MALLOC */
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148
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149 /* MAKING_MAKEFILE must be defined in "ymakefile" before including config.h */
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150 #ifndef NOT_C_CODE
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151
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152 /* Define this if you use System 5 Release 4 Streams */
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153
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154 #define INTERRUPTIBLE_OPEN
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155 #define INTERRUPTIBLE_CLOSE
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156 /* can't hurt to define these, even though read/write should auto restart */
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157 #define INTERRUPTIBLE_IO
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158
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159 #endif /* not NOT_C_CODE */
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160
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161 #ifndef __GNUC__
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162 #error You must use GCC to compile Emacs on DGUX
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163 #endif
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164
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165 #define ORDINARY_LINK
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166 #define START_FILES "pre-crt0.o"
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167 #define LIB_GCC "/usr/lib/gcc/libgcc.a"
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168
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169 #ifdef _M88KBCS_TARGET
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170 /* Karl Berry says: the environment
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171 recommended by gcc (88/open, a.k.a. m88kbcs) doesn't support some system
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172 functions, and gcc doesn't make it easy to switch environments. */
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173 #define NO_GET_LOAD_AVG
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174 #endif
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175
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176 /* definitions for xmakefile production */
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177 #ifdef COFF
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178
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179 /* Define the following to use all of the available pty's. */
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180
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181 #define PTY_ITERATION \
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182 for (c = 'p'; c < 't'; c++) \
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183 for (i = 0; (((c == 'p') && (i < 64)) || ((c != 'p') && (i < 16))); i++)
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184
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185 #define PTY_NAME_SPRINTF \
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186 if (c == 'p') \
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187 sprintf (pty_name, "/dev/pty%c%d", c, i); \
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188 else \
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189 sprintf (pty_name, "/dev/pty%c%x", c, i);
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190
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191 #define PTY_TTY_NAME_SPRINTF \
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192 if (c == 'p') \
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193 sprintf (pty_name, "/dev/tty%c%d", c, i); \
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194 else \
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195 sprintf (pty_name, "/dev/tty%c%x", c, i);
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196
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197 #define C_DEBUG_SWITCH "-g"
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198
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199 #else /* not COFF */
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200
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201 /* We are generating ELF object format. This makes the system more
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202 SVR4 like. */
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203
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204 #define SVR4
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205
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206 /* Pseudo-terminal support under SVR4 only loops to deal with errors. */
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207
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208 #define PTY_ITERATION for (i = 0; i < 1; i++)
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209
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210 /* This sets the name of the master side of the PTY. */
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211
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212 #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
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213
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214 /* This sets the name of the slave side of the PTY. On SysVr4,
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215 grantpt(3) forks a subprocess, so keep sigchld_handler() from
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216 intercepting that death. If any child but grantpt's should die
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217 within, it should be caught after EMACS_UNBLOCK_SIGNAL. */
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218
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219 #define PTY_TTY_NAME_SPRINTF \
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220 { \
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221 char *ptyname; \
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222 \
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223 EMACS_BLOCK_SIGCHLD; \
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224 if (grantpt (fd) == -1) \
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225 { close (fd); return -1; } \
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226 EMACS_UNBLOCK_SIGCHLD; \
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227 if (unlockpt (fd) == -1) \
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228 { close (fd); return -1; } \
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229 if (!(ptyname = ptsname (fd))) \
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230 { close (fd); return -1; } \
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231 strncpy (pty_name, ptyname, sizeof (pty_name)); \
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232 pty_name[sizeof (pty_name) - 1] = 0; \
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233 }
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234
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235 /* Push various streams modules onto a PTY channel. */
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236
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237 #define SETUP_SLAVE_PTY \
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238 if (ioctl (xforkin, I_PUSH, "ptem") == -1) \
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239 fatal ("ioctl I_PUSH ptem", errno); \
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240 if (ioctl (xforkin, I_PUSH, "ldterm") == -1) \
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241 fatal ("ioctl I_PUSH ldterm", errno); \
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242 if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \
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243 fatal ("ioctl I_PUSH ttcompat", errno);
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244
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245 #ifdef __GNUC__
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246 #define C_DEBUG_SWITCH "-g -V2 -mversion-03.00 -mstandard"
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247 #endif
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248
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249 #endif /* ELF */
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250
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251 /* Formerly "BSD_PGRPS" */
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252
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253 #define SIGIO_REQUIRES_SEPARATE_PROCESS_GROUP
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