source: mainline/uspace/app/ash/tools/mksignames.c@ 8ccd2ea

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 8ccd2ea was c28a023, checked in by Josef Cejka <malyzelenyhnus@…>, 17 years ago

Initial commit of ash shell.
It cannot be compiled yet.
  • Property mode set to 100644
File size: 9.9 KB
RevLine 
[c28a023]1/* signames.c -- Create and write `signames.c', 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 2, 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, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
21
22#include <stdio.h>
23#include <sys/types.h>
24#include <signal.h>
25#include <stdlib.h>
26
27#if !defined (NSIG)
28# define NSIG 64
29#endif
30
31char *signal_names[2 * NSIG];
32
33char *progname;
34
35#if defined (SIGRTMAX) || defined (SIGRTMIN)
36# define RTLEN 14
37# define RTLIM 256
38#endif
39
40void
41initialize_signames ()
42{
43 register int i;
44#if defined (SIGRTMAX) || defined (SIGRTMIN)
45 int rtmin, rtmax, rtcnt;
46#endif
47
48 for (i = 1; i < sizeof(signal_names)/sizeof(signal_names[0]); i++)
49 signal_names[i] = (char *)NULL;
50
51 /* `signal' 0 is what we do on exit. */
52 signal_names[0] = "EXIT";
53
54 /* Place signal names which can be aliases for more common signal
55 names first. This allows (for example) SIGABRT to overwrite SIGLOST. */
56
57 /* POSIX 1003.1b-1993 real time signals, but take care of incomplete
58 implementations. Acoording to the standard, both, SIGRTMIN and
59 SIGRTMAX must be defined, SIGRTMIN must be stricly less than
60 SIGRTMAX, and the difference must be at least 7, that is, there
61 must be at least eight distinct real time signals. */
62
63 /* The generated signal names are SIGRTMIN, SIGRTMIN+1, ...,
64 SIGRTMIN+x, SIGRTMAX-x, ..., SIGRTMAX-1, SIGRTMAX. If the number
65 of RT signals is odd, there is an extra SIGRTMIN+(x+1).
66 These names are the ones used by ksh and /usr/xpg4/bin/sh on SunOS5. */
67
68#if defined (SIGRTMIN)
69 rtmin = SIGRTMIN;
70 signal_names[rtmin] = "SIGRTMIN";
71#endif
72
73#if defined (SIGRTMAX)
74 rtmax = SIGRTMAX;
75 signal_names[rtmax] = "SIGRTMAX";
76#endif
77
78#if defined (SIGRTMAX) && defined (SIGRTMIN)
79 if (rtmax > rtmin)
80 {
81 rtcnt = (rtmax - rtmin - 1) / 2;
82 /* croak if there are too many RT signals */
83 if (rtcnt >= RTLIM/2)
84 {
85 rtcnt = RTLIM/2-1;
86 fprintf(stderr, "%s: error: more than %i real time signals, fix `%s'\n",
87 progname, RTLIM, progname);
88 }
89
90 for (i = 1; i <= rtcnt; i++)
91 {
92 signal_names[rtmin+i] = (char *)malloc(RTLEN);
93 sprintf (signal_names[rtmin+i], "SIGRTMIN+%d", i);
94 signal_names[rtmax-i] = (char *)malloc(RTLEN);
95 sprintf (signal_names[rtmax-i], "SIGRTMAX-%d", i);
96 }
97
98 if (rtcnt < RTLIM/2-1 && rtcnt != (rtmax-rtmin)/2)
99 {
100 /* Need an extra RTMIN signal */
101 signal_names[rtmin+rtcnt+1] = (char *)malloc(RTLEN);
102 sprintf (signal_names[rtmin+rtcnt+1], "SIGRTMIN+%d", rtcnt+1);
103 }
104 }
105#endif /* SIGRTMIN && SIGRTMAX */
106
107/* AIX */
108#if defined (SIGLOST) /* resource lost (eg, record-lock lost) */
109 signal_names[SIGLOST] = "SIGLOST";
110#endif
111
112#if defined (SIGMSG) /* HFT input data pending */
113 signal_names[SIGMSG] = "SIGMSG";
114#endif
115
116#if defined (SIGDANGER) /* system crash imminent */
117 signal_names[SIGDANGER] = "SIGDANGER";
118#endif
119
120#if defined (SIGMIGRATE) /* migrate process to another CPU */
121 signal_names[SIGMIGRATE] = "SIGMIGRATE";
122#endif
123
124#if defined (SIGPRE) /* programming error */
125 signal_names[SIGPRE] = "SIGPRE";
126#endif
127
128#if defined (SIGVIRT) /* AIX virtual time alarm */
129 signal_names[SIGVIRT] = "SIGVIRT";
130#endif
131
132#if defined (SIGALRM1) /* m:n condition variables */
133 signal_names[SIGALRM1] = "SIGALRM1";
134#endif
135
136#if defined (SIGWAITING) /* m:n scheduling */
137 signal_names[SIGWAITING] = "SIGWAITING";
138#endif
139
140#if defined (SIGGRANT) /* HFT monitor mode granted */
141 signal_names[SIGGRANT] = "SIGGRANT";
142#endif
143
144#if defined (SIGKAP) /* keep alive poll from native keyboard */
145 signal_names[SIGKAP] = "SIGKAP";
146#endif
147
148#if defined (SIGRETRACT) /* HFT monitor mode retracted */
149 signal_names[SIGRETRACT] = "SIGRETRACT";
150#endif
151
152#if defined (SIGSOUND) /* HFT sound sequence has completed */
153 signal_names[SIGSOUND] = "SIGSOUND";
154#endif
155
156#if defined (SIGSAK) /* Secure Attention Key */
157 signal_names[SIGSAK] = "SIGSAK";
158#endif
159
160/* SunOS5 */
161#if defined (SIGLWP) /* special signal used by thread library */
162 signal_names[SIGLWP] = "SIGLWP";
163#endif
164
165#if defined (SIGFREEZE) /* special signal used by CPR */
166 signal_names[SIGFREEZE] = "SIGFREEZE";
167#endif
168
169#if defined (SIGTHAW) /* special signal used by CPR */
170 signal_names[SIGTHAW] = "SIGTHAW";
171#endif
172
173#if defined (SIGCANCEL) /* thread cancellation signal used by libthread */
174 signal_names[SIGCANCEL] = "SIGCANCEL";
175#endif
176
177/* HP-UX */
178#if defined (SIGDIL) /* DIL signal (?) */
179 signal_names[SIGDIL] = "SIGDIL";
180#endif
181
182/* System V */
183#if defined (SIGCLD) /* Like SIGCHLD. */
184 signal_names[SIGCLD] = "SIGCLD";
185#endif
186
187#if defined (SIGPWR) /* power state indication */
188 signal_names[SIGPWR] = "SIGPWR";
189#endif
190
191#if defined (SIGPOLL) /* Pollable event (for streams) */
192 signal_names[SIGPOLL] = "SIGPOLL";
193#endif
194
195/* Unknown */
196#if defined (SIGWINDOW)
197 signal_names[SIGWINDOW] = "SIGWINDOW";
198#endif
199
200/* Common */
201#if defined (SIGHUP) /* hangup */
202 signal_names[SIGHUP] = "SIGHUP";
203#endif
204
205#if defined (SIGINT) /* interrupt */
206 signal_names[SIGINT] = "SIGINT";
207#endif
208
209#if defined (SIGQUIT) /* quit */
210 signal_names[SIGQUIT] = "SIGQUIT";
211#endif
212
213#if defined (SIGILL) /* illegal instruction (not reset when caught) */
214 signal_names[SIGILL] = "SIGILL";
215#endif
216
217#if defined (SIGTRAP) /* trace trap (not reset when caught) */
218 signal_names[SIGTRAP] = "SIGTRAP";
219#endif
220
221#if defined (SIGIOT) /* IOT instruction */
222 signal_names[SIGIOT] = "SIGIOT";
223#endif
224
225#if defined (SIGABRT) /* Cause current process to dump core. */
226 signal_names[SIGABRT] = "SIGABRT";
227#endif
228
229#if defined (SIGEMT) /* EMT instruction */
230 signal_names[SIGEMT] = "SIGEMT";
231#endif
232
233#if defined (SIGFPE) /* floating point exception */
234 signal_names[SIGFPE] = "SIGFPE";
235#endif
236
237#if defined (SIGKILL) /* kill (cannot be caught or ignored) */
238 signal_names[SIGKILL] = "SIGKILL";
239#endif
240
241#if defined (SIGBUS) /* bus error */
242 signal_names[SIGBUS] = "SIGBUS";
243#endif
244
245#if defined (SIGSEGV) /* segmentation violation */
246 signal_names[SIGSEGV] = "SIGSEGV";
247#endif
248
249#if defined (SIGSYS) /* bad argument to system call */
250 signal_names[SIGSYS] = "SIGSYS";
251#endif
252
253#if defined (SIGPIPE) /* write on a pipe with no one to read it */
254 signal_names[SIGPIPE] = "SIGPIPE";
255#endif
256
257#if defined (SIGALRM) /* alarm clock */
258 signal_names[SIGALRM] = "SIGALRM";
259#endif
260
261#if defined (SIGTERM) /* software termination signal from kill */
262 signal_names[SIGTERM] = "SIGTERM";
263#endif
264
265#if defined (SIGURG) /* urgent condition on IO channel */
266 signal_names[SIGURG] = "SIGURG";
267#endif
268
269#if defined (SIGSTOP) /* sendable stop signal not from tty */
270 signal_names[SIGSTOP] = "SIGSTOP";
271#endif
272
273#if defined (SIGTSTP) /* stop signal from tty */
274 signal_names[SIGTSTP] = "SIGTSTP";
275#endif
276
277#if defined (SIGCONT) /* continue a stopped process */
278 signal_names[SIGCONT] = "SIGCONT";
279#endif
280
281#if defined (SIGCHLD) /* to parent on child stop or exit */
282 signal_names[SIGCHLD] = "SIGCHLD";
283#endif
284
285#if defined (SIGTTIN) /* to readers pgrp upon background tty read */
286 signal_names[SIGTTIN] = "SIGTTIN";
287#endif
288
289#if defined (SIGTTOU) /* like TTIN for output if (tp->t_local&LTOSTOP) */
290 signal_names[SIGTTOU] = "SIGTTOU";
291#endif
292
293#if defined (SIGIO) /* input/output possible signal */
294 signal_names[SIGIO] = "SIGIO";
295#endif
296
297#if defined (SIGXCPU) /* exceeded CPU time limit */
298 signal_names[SIGXCPU] = "SIGXCPU";
299#endif
300
301#if defined (SIGXFSZ) /* exceeded file size limit */
302 signal_names[SIGXFSZ] = "SIGXFSZ";
303#endif
304
305#if defined (SIGVTALRM) /* virtual time alarm */
306 signal_names[SIGVTALRM] = "SIGVTALRM";
307#endif
308
309#if defined (SIGPROF) /* profiling time alarm */
310 signal_names[SIGPROF] = "SIGPROF";
311#endif
312
313#if defined (SIGWINCH) /* window changed */
314 signal_names[SIGWINCH] = "SIGWINCH";
315#endif
316
317/* 4.4 BSD */
318#if defined (SIGINFO) && !defined (_SEQUENT_) /* information request */
319 signal_names[SIGINFO] = "SIGINFO";
320#endif
321
322#if defined (SIGUSR1) /* user defined signal 1 */
323 signal_names[SIGUSR1] = "SIGUSR1";
324#endif
325
326#if defined (SIGUSR2) /* user defined signal 2 */
327 signal_names[SIGUSR2] = "SIGUSR2";
328#endif
329
330#if defined (SIGKILLTHR) /* BeOS: Kill Thread */
331 signal_names[SIGKILLTHR] = "SIGKILLTHR";
332#endif
333
334 for (i = 0; i < NSIG; i++)
335 if (signal_names[i] == (char *)NULL)
336 {
337 signal_names[i] = (char *)malloc (18);
338 sprintf (signal_names[i], "SIGJUNK(%d)", i);
339 }
340
341 signal_names[NSIG] = "DEBUG";
342}
343
344void
345write_signames (stream)
346 FILE *stream;
347{
348 register int i;
349
350 fprintf (stream, "/* This file was automatically created by %s.\n",
351 progname);
352 fprintf (stream, " Do not edit. Edit support/mksignames.c instead. */\n\n");
353 fprintf (stream, "#include <signal.h>\n\n");
354 fprintf (stream,
355 "/* A translation list so we can be polite to our users. */\n");
356 fprintf (stream, "char *signal_names[NSIG + 2] = {\n");
357
358 for (i = 0; i <= NSIG; i++)
359 fprintf (stream, " \"%s\",\n", signal_names[i]);
360
361 fprintf (stream, " (char *)0x0,\n");
362 fprintf (stream, "};\n");
363}
364
365int
366main (argc, argv)
367 int argc;
368 char **argv;
369{
370 char *stream_name;
371 FILE *stream;
372
373 progname = argv[0];
374
375 if (argc == 1)
376 {
377 stream_name = "signames.c";
378 }
379 else if (argc == 2)
380 {
381 stream_name = argv[1];
382 }
383 else
384 {
385 fprintf (stderr, "Usage: %s [output-file]\n", progname);
386 exit (1);
387 }
388
389 stream = fopen (stream_name, "w");
390 if (!stream)
391 {
392 fprintf (stderr, "%s: %s: cannot open for writing\n",
393 progname, stream_name);
394 exit (2);
395 }
396
397 initialize_signames ();
398 write_signames (stream);
399 exit (0);
400}
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