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) SIGABRT to overwrite SIGLOST. */
  52 /* AIX */
  53 #if defined (SIGLOST)   /* resource lost (eg, record-lock lost) */
  54   signal_names[SIGLOST] = "SIGLOST";
  55 #endif
  56
  57 #if defined (SIGMSG)    /* HFT input data pending */
  58   signal_names[SIGMSG] = "SIGMSG";
  59 #endif
  60
  61 #if defined (SIGDANGER) /* system crash imminent */
  62   signal_names[SIGDANGER] = "SIGDANGER";
  63 #endif
  64
  65 #if defined (SIGMIGRATE) /* migrate process to another CPU */
  66   signal_names[SIGMIGRATE] = "SIGMIGRATE";
  67 #endif
  68
  69 #if defined (SIGPRE)    /* programming error */
  70   signal_names[SIGPRE] = "SIGPRE";
  71 #endif
  72
  73 #if defined (SIGVIRT)   /* AIX virtual time alarm */
  74   signal_names[SIGVIRT] = "SIGVIRT";
  75 #endif
  76
  77 #if defined (SIGALRM1)  /* m:n condition variables */
  78   signal_names[SIGALRM1] = "SIGALRM1";
  79 #endif
  80
  81 #if defined (SIGWAITING)        /* m:n scheduling */
  82   signal_names[SIGWAITING] = "SIGWAITING";
  83 #endif
  84
  85 #if defined (SIGGRANT)  /* HFT monitor mode granted */
  86   signal_names[SIGGRANT] = "SIGGRANT";
  87 #endif
  88
  89 #if defined (SIGKAP)    /* keep alive poll from native keyboard */
  90   signal_names[SIGKAP] = "SIGKAP";
  91 #endif
  92
  93 #if defined (SIGRETRACT) /* HFT monitor mode retracted */
  94   signal_names[SIGRETRACT] = "SIGRETRACT";
  95 #endif
  96
  97 #if defined (SIGSOUND)  /* HFT sound sequence has completed */
  98   signal_names[SIGSOUND] = "SIGSOUND";
  99 #endif
 100
 101 #if defined (SIGSAK)    /* Secure Attention Key */
 102   signal_names[SIGSAK] = "SIGSAK";
 103 #endif
 104
 105 /* SunOS5 */
 106 #if defined (SIGLWP)    /* special signal used by thread library */
 107   signal_names[SIGLWP] = "SIGLWP";
 108 #endif
 109
 110 #if defined (SIGFREEZE) /* special signal used by CPR */
 111   signal_names[SIGFREEZE] = "SIGFREEZE";
 112 #endif
 113
 114 #if defined (SIGTHAW)   /* special signal used by CPR */
 115   signal_names[SIGTHAW] = "SIGTHAW";
 116 #endif
 117
 118 #if defined (SIGCANCEL) /* thread cancellation signal used by libthread */
 119   signal_names[SIGCANCEL] = "SIGCANCEL";
 120 #endif
 121
 122 /* HP-UX */
 123 #if defined (SIGDIL)    /* DIL signal (?) */
 124   signal_names[SIGDIL] = "SIGDIL";
 125 #endif
 126
 127 /* System V */
 128 #if defined (SIGCLD)    /* Like SIGCHLD.  */
 129   signal_names[SIGCLD] = "SIGCLD";
 130 #endif
 131
 132 #if defined (SIGPWR)    /* power state indication */
 133   signal_names[SIGPWR] = "SIGPWR";
 134 #endif
 135
 136 #if defined (SIGPOLL)   /* Pollable event (for streams)  */
 137   signal_names[SIGPOLL] = "SIGPOLL";
 138 #endif
 139
 140 /* Unknown */
 141 #if defined (SIGWINDOW)
 142   signal_names[SIGWINDOW] = "SIGWINDOW";
 143 #endif
 144
 145 /* Common */
 146 #if defined (SIGHUP)    /* hangup */
 147   signal_names[SIGHUP] = "SIGHUP";
 148 #endif
 149
 150 #if defined (SIGINT)    /* interrupt */
 151   signal_names[SIGINT] = "SIGINT";
 152 #endif
 153
 154 #if defined (SIGQUIT)   /* quit */
 155   signal_names[SIGQUIT] = "SIGQUIT";
 156 #endif
 157
 158 #if defined (SIGILL)    /* illegal instruction (not reset when caught) */
 159   signal_names[SIGILL] = "SIGILL";
 160 #endif
 161
 162 #if defined (SIGTRAP)   /* trace trap (not reset when caught) */
 163   signal_names[SIGTRAP] = "SIGTRAP";
 164 #endif
 165
 166 #if defined (SIGIOT)    /* IOT instruction */
 167   signal_names[SIGIOT] = "SIGIOT";
 168 #endif
 169
 170 #if defined (SIGABRT)   /* Cause current process to dump core. */
 171   signal_names[SIGABRT] = "SIGABRT";
 172 #endif
 173
 174 #if defined (SIGEMT)    /* EMT instruction */
 175   signal_names[SIGEMT] = "SIGEMT";
 176 #endif
 177
 178 #if defined (SIGFPE)    /* floating point exception */
 179   signal_names[SIGFPE] = "SIGFPE";
 180 #endif
 181
 182 #if defined (SIGKILL)   /* kill (cannot be caught or ignored) */
 183   signal_names[SIGKILL] = "SIGKILL";
 184 #endif
 185
 186 #if defined (SIGBUS)    /* bus error */
 187   signal_names[SIGBUS] = "SIGBUS";
 188 #endif
 189
 190 #if defined (SIGSEGV)   /* segmentation violation */
 191   signal_names[SIGSEGV] = "SIGSEGV";
 192 #endif
 193
 194 #if defined (SIGSYS)    /* bad argument to system call */
 195   signal_names[SIGSYS] = "SIGSYS";
 196 #endif
 197
 198 #if defined (SIGPIPE)   /* write on a pipe with no one to read it */
 199   signal_names[SIGPIPE] = "SIGPIPE";
 200 #endif
 201
 202 #if defined (SIGALRM)   /* alarm clock */
 203   signal_names[SIGALRM] = "SIGALRM";
 204 #endif
 205
 206 #if defined (SIGTERM)   /* software termination signal from kill */
 207   signal_names[SIGTERM] = "SIGTERM";
 208 #endif
 209
 210 #if defined (SIGURG)    /* urgent condition on IO channel */
 211   signal_names[SIGURG] = "SIGURG";
 212 #endif
 213
 214 #if defined (SIGSTOP)   /* sendable stop signal not from tty */
 215   signal_names[SIGSTOP] = "SIGSTOP";
 216 #endif
 217
 218 #if defined (SIGTSTP)   /* stop signal from tty */
 219   signal_names[SIGTSTP] = "SIGTSTP";
 220 #endif
 221
 222 #if defined (SIGCONT)   /* continue a stopped process */
 223   signal_names[SIGCONT] = "SIGCONT";
 224 #endif
 225
 226 #if defined (SIGCHLD)   /* to parent on child stop or exit */
 227   signal_names[SIGCHLD] = "SIGCHLD";
 228 #endif
 229
 230 #if defined (SIGTTIN)   /* to readers pgrp upon background tty read */
 231   signal_names[SIGTTIN] = "SIGTTIN";
 232 #endif
 233
 234 #if defined (SIGTTOU)   /* like TTIN for output if (tp->t_local&LTOSTOP) */
 235   signal_names[SIGTTOU] = "SIGTTOU";
 236 #endif
 237
 238 #if defined (SIGIO)     /* input/output possible signal */
 239   signal_names[SIGIO] = "SIGIO";
 240 #endif
 241
 242 #if defined (SIGXCPU)   /* exceeded CPU time limit */
 243   signal_names[SIGXCPU] = "SIGXCPU";
 244 #endif
 245
 246 #if defined (SIGXFSZ)   /* exceeded file size limit */
 247   signal_names[SIGXFSZ] = "SIGXFSZ";
 248 #endif
 249
 250 #if defined (SIGVTALRM) /* virtual time alarm */
 251   signal_names[SIGVTALRM] = "SIGVTALRM";
 252 #endif
 253
 254 #if defined (SIGPROF)   /* profiling time alarm */
 255   signal_names[SIGPROF] = "SIGPROF";
 256 #endif
 257
 258 #if defined (SIGWINCH)  /* window changed */
 259   signal_names[SIGWINCH] = "SIGWINCH";
 260 #endif
 261
 262 /* 4.4 BSD */
 263 #if defined (SIGINFO) && !defined (_SEQUENT_)   /* information request */
 264   signal_names[SIGINFO] = "SIGINFO";
 265 #endif
 266
 267 #if defined (SIGUSR1)   /* user defined signal 1 */
 268   signal_names[SIGUSR1] = "SIGUSR1";
 269 #endif
 270
 271 #if defined (SIGUSR2)   /* user defined signal 2 */
 272   signal_names[SIGUSR2] = "SIGUSR2";
 273 #endif
 274
 275 #if defined (SIGKILLTHR)        /* BeOS: Kill Thread */
 276   signal_names[SIGKILLTHR] = "SIGKILLTHR";
 277 #endif
 278
 279   for (i = 0; i < NSIG; i++)
 280     if (signal_names[i] == (char *)NULL)
 281       {
 282         signal_names[i] = (char *)malloc (18);
 283         sprintf (signal_names[i], "SIGJUNK(%d)", i);
 284       }
 285
 286   signal_names[NSIG] = "DEBUG";
 287 }
 288
 289 void
 290 write_signames (stream)
 291      FILE *stream;
 292 {
 293   register int i;
 294
 295   fprintf (stream, "/* This file was automatically created by %s.\n",
 296            progname);
 297   fprintf (stream, "   Do not edit.  Edit support/mksignames.c instead. */\n\n");
 298   fprintf (stream,
 299            "/* A translation list so we can be polite to our users. */\n");
 300   fprintf (stream, "char *signal_names[NSIG + 2] = {\n");
 301
 302   for (i = 0; i <= NSIG; i++)
 303     fprintf (stream, "    \"%s\",\n", signal_names[i]);
 304
 305   fprintf (stream, "    (char *)0x0,\n");
 306   fprintf (stream, "};\n");
 307 }
 308
 309 int
 310 main (argc, argv)
 311      int argc;
 312      char **argv;
 313 {
 314   char *stream_name;
 315   FILE *stream;
 316
 317   progname = argv[0];
 318
 319   if (argc == 1)
 320     {
 321       stream_name = "stdout";
 322       stream = stdout;
 323     }
 324   else if (argc == 2)
 325     {
 326       stream_name = argv[1];
 327       stream = fopen (stream_name, "w");
 328     }
 329   else
 330     {
 331       fprintf (stderr, "Usage: %s [output-file]\n", progname);
 332       exit (1);
 333     }
 334
 335   if (!stream)
 336     {
 337       fprintf (stderr, "%s: %s: cannot open for writing\n",
 338                progname, stream_name);
 339       exit (2);
 340     }
 341
 342   initialize_signames ();
 343   write_signames (stream);
 344   exit (0);
 345 }