support/mksignames.c

   1 /* signames.c -- Create and write `signames.h', which contains an array of
   2    signal names. */
   3
   4 /* Copyright (C) 1992 Free Software Foundation, Inc.
   5
   6    This file is part of GNU Bash, the Bourne Again SHell.
   7
   8    Bash is free software; you can redistribute it and/or modify it under
   9    the terms of the GNU General Public License as published by the Free
  10    Software Foundation; either version 1, or (at your option) any later
  11    version.
  12
  13    Bash is distributed in the hope that it will be useful, but WITHOUT ANY
  14    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16    for more details.
  17
  18    You should have received a copy of the GNU General Public License along
  19    with Bash; see the file COPYING.  If not, write to the Free Software
  20    Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
  21
  22 #include <stdio.h>
  23 #include <sys/types.h>
  24 #include <signal.h>
  25 #if defined (HAVE_STDLIB_H)
  26 #  include <stdlib.h>
  27 #else
  28 #  include "ansi_stdlib.h"
  29 #endif /* HAVE_STDLIB_H */
  30
  31 #if !defined (NSIG)
  32 #  define NSIG 64
  33 #endif
  34
  35 char *signal_names[2 * NSIG];
  36
  37 char *progname;
  38
  39 void
  40 initialize_signames ()
  41 {
  42   register int i;
  43
  44   for (i = 1; i < sizeof(signal_names)/sizeof(signal_names[0]); i++)
  45     signal_names[i] = (char *)NULL;
  46
  47   /* `signal' 0 is what we do on exit. */
  48   signal_names[0] = "EXIT";
  49
  50   /* Place signal names which can be aliases for more common signal
  51      names first.  This allows (for example) SIGEMT to overwrite SIGGRANT. */
  52 #if defined (SIGGRANT)  /* HFT monitor mode granted */
  53   signal_names[SIGGRANT] = "SIGGRANT";
  54 #endif
  55
  56 #if defined (SIGRETRACT) /* HFT monitor mode retracted */
  57   signal_names[SIGRETRACT] = "SIGRETRACT";
  58 #endif
  59
  60 #if defined (SIGHUP)    /* hangup */
  61   signal_names[SIGHUP] = "SIGHUP";
  62 #endif
  63
  64 #if defined (SIGINT)    /* interrupt */
  65   signal_names[SIGINT] = "SIGINT";
  66 #endif
  67
  68 #if defined (SIGQUIT)   /* quit */
  69   signal_names[SIGQUIT] = "SIGQUIT";
  70 #endif
  71
  72 #if defined (SIGILL)    /* illegal instruction (not reset when caught) */
  73   signal_names[SIGILL] = "SIGILL";
  74 #endif
  75
  76 #if defined (SIGTRAP)   /* trace trap (not reset when caught) */
  77   signal_names[SIGTRAP] = "SIGTRAP";
  78 #endif
  79
  80 #if defined (SIGABRT)   /* Cause current process to dump core. */
  81   signal_names[SIGABRT] = "SIGABRT";
  82 #endif
  83
  84 #if defined (SIGIOT)    /* IOT instruction */
  85   signal_names[SIGIOT] = "SIGIOT";
  86 #endif
  87
  88 #if defined (SIGEMT)    /* EMT instruction */
  89   signal_names[SIGEMT] = "SIGEMT";
  90 #endif
  91
  92 #if defined (SIGFPE)    /* floating point exception */
  93   signal_names[SIGFPE] = "SIGFPE";
  94 #endif
  95
  96 #if defined (SIGKILL)   /* kill (cannot be caught or ignored) */
  97   signal_names[SIGKILL] = "SIGKILL";
  98 #endif
  99
 100 #if defined (SIGBUS)    /* bus error */
 101   signal_names[SIGBUS] = "SIGBUS";
 102 #endif
 103
 104 #if defined (SIGSEGV)   /* segmentation violation */
 105   signal_names[SIGSEGV] = "SIGSEGV";
 106 #endif
 107
 108 #if defined (SIGSYS)    /* bad argument to system call */
 109   signal_names[SIGSYS] = "SIGSYS";
 110 #endif
 111
 112 #if defined (SIGPIPE)   /* write on a pipe with no one to read it */
 113   signal_names[SIGPIPE] = "SIGPIPE";
 114 #endif
 115
 116 #if defined (SIGALRM)   /* alarm clock */
 117   signal_names[SIGALRM] = "SIGALRM";
 118 #endif
 119
 120 #if defined (SIGTERM)   /* software termination signal from kill */
 121   signal_names[SIGTERM] = "SIGTERM";
 122 #endif
 123
 124 #if defined (SIGCLD)    /* Like SIGCHLD.  */
 125   signal_names[SIGCLD] = "SIGCLD";
 126 #endif
 127
 128 #if defined (SIGPWR)    /* Magic thing for some machines. */
 129   signal_names[SIGPWR] = "SIGPWR";
 130 #endif
 131
 132 #if defined (SIGPOLL)   /* For keyboard input?  */
 133   signal_names[SIGPOLL] = "SIGPOLL";
 134 #endif
 135
 136 #if defined (SIGURG)    /* urgent condition on IO channel */
 137   signal_names[SIGURG] = "SIGURG";
 138 #endif
 139
 140 #if defined (SIGSTOP)   /* sendable stop signal not from tty */
 141   signal_names[SIGSTOP] = "SIGSTOP";
 142 #endif
 143
 144 #if defined (SIGTSTP)   /* stop signal from tty */
 145   signal_names[SIGTSTP] = "SIGTSTP";
 146 #endif
 147
 148 #if defined (SIGCONT)   /* continue a stopped process */
 149   signal_names[SIGCONT] = "SIGCONT";
 150 #endif
 151
 152 #if defined (SIGCHLD)   /* to parent on child stop or exit */
 153   signal_names[SIGCHLD] = "SIGCHLD";
 154 #endif
 155
 156 #if defined (SIGTTIN)   /* to readers pgrp upon background tty read */
 157   signal_names[SIGTTIN] = "SIGTTIN";
 158 #endif
 159
 160 #if defined (SIGTTOU)   /* like TTIN for output if (tp->t_local&LTOSTOP) */
 161   signal_names[SIGTTOU] = "SIGTTOU";
 162 #endif
 163
 164 #if defined (SIGIO)     /* input/output possible signal */
 165   signal_names[SIGIO] = "SIGIO";
 166 #endif
 167
 168 #if defined (SIGXCPU)   /* exceeded CPU time limit */
 169   signal_names[SIGXCPU] = "SIGXCPU";
 170 #endif
 171
 172 #if defined (SIGXFSZ)   /* exceeded file size limit */
 173   signal_names[SIGXFSZ] = "SIGXFSZ";
 174 #endif
 175
 176 #if defined (SIGVTALRM) /* virtual time alarm */
 177   signal_names[SIGVTALRM] = "SIGVTALRM";
 178 #endif
 179
 180 #if defined (SIGPROF)   /* profiling time alarm */
 181   signal_names[SIGPROF] = "SIGPROF";
 182 #endif
 183
 184 #if defined (SIGWINCH)  /* window changed */
 185   signal_names[SIGWINCH] = "SIGWINCH";
 186 #endif
 187
 188 #if defined (SIGLOST)   /* resource lost (eg, record-lock lost) */
 189   signal_names[SIGLOST] = "SIGLOST";
 190 #endif
 191
 192 #if defined (SIGUSR1)   /* user defined signal 1 */
 193   signal_names[SIGUSR1] = "SIGUSR1";
 194 #endif
 195
 196 #if defined (SIGUSR2)   /* user defined signal 2 */
 197   signal_names[SIGUSR2] = "SIGUSR2";
 198 #endif
 199
 200 #if defined (SIGMSG)    /* HFT input data pending */
 201   signal_names[SIGMSG] = "SIGMSG";
 202 #endif
 203
 204 #if defined (SIGPWR)    /* power failure imminent (save your data) */
 205   signal_names[SIGPWR] = "SIGPWR";
 206 #endif
 207
 208 #if defined (SIGDANGER) /* system crash imminent */
 209   signal_names[SIGDANGER] = "SIGDANGER";
 210 #endif
 211
 212 #if defined (SIGMIGRATE) /* migrate process to another CPU */
 213   signal_names[SIGMIGRATE] = "SIGMIGRATE";
 214 #endif
 215
 216 #if defined (SIGPRE)    /* programming error */
 217   signal_names[SIGPRE] = "SIGPRE";
 218 #endif
 219
 220 #if defined (SIGSOUND)  /* HFT sound sequence has completed */
 221   signal_names[SIGSOUND] = "SIGSOUND";
 222 #endif
 223
 224 #if defined (SIGWINDOW)
 225   signal_names[SIGWINDOW] = "SIGWINDOW";
 226 #endif
 227
 228 #if defined (SIGDIL)
 229   signal_names[SIGDIL] = "SIGDIL";
 230 #endif
 231
 232 #if defined (SIGSAK)    /* Secure Attention Key */
 233   signal_names[SIGSAK] = "SIGSAK";
 234 #endif
 235
 236   for (i = 0; i < NSIG; i++)
 237     if (signal_names[i] == (char *)NULL)
 238       {
 239         signal_names[i] = (char *)malloc (18);
 240         sprintf (signal_names[i], "SIGJUNK(%d)", i);
 241       }
 242
 243   signal_names[NSIG] = "DEBUG";
 244 }
 245
 246 void
 247 write_signames (stream)
 248      FILE *stream;
 249 {
 250   register int i;
 251
 252   fprintf (stream, "/* This file was automatically created by %s.\n",
 253            progname);
 254   fprintf (stream, "   Do not edit.  Edit support/mksignames.c instead. */\n\n");
 255   fprintf (stream,
 256            "/* A translation list so we can be polite to our users. */\n");
 257   fprintf (stream, "char *signal_names[NSIG + 2] = {\n");
 258
 259   for (i = 0; i <= NSIG; i++)
 260     fprintf (stream, "    \"%s\",\n", signal_names[i]);
 261
 262   fprintf (stream, "    (char *)0x0,\n");
 263   fprintf (stream, "};\n");
 264 }
 265
 266 int
 267 main (argc, argv)
 268      int argc;
 269      char **argv;
 270 {
 271   char *stream_name;
 272   FILE *stream;
 273
 274   progname = argv[0];
 275
 276   if (argc == 1)
 277     {
 278       stream_name = "stdout";
 279       stream = stdout;
 280     }
 281   else if (argc == 2)
 282     {
 283       stream_name = argv[1];
 284       stream = fopen (stream_name, "w");
 285     }
 286   else
 287     {
 288       fprintf (stderr, "Usage: %s [output-file]\n", progname);
 289       exit (1);
 290     }
 291
 292   if (!stream)
 293     {
 294       fprintf (stderr, "%s: %s: cannot open for writing\n",
 295                progname, stream_name);
 296       exit (2);
 297     }
 298
 299   initialize_signames ();
 300   write_signames (stream);
 301   exit (0);
 302 }