1 /* signames.c -- Create and write `signames.c', which contains an array of
4 /* Copyright (C) 1992 Free Software Foundation, Inc.
6 This file is part of GNU Bash, the Bourne Again SHell.
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
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
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. */
23 #include <sys/types.h>
35 #define LASTSIG NSIG-1
37 char *signal_names
[2 * NSIG
+ 3];
39 #define signal_names_size (sizeof(signal_names)/sizeof(signal_names[0]))
43 /* AIX 4.3 defines SIGRTMIN and SIGRTMAX as 888 and 999 respectively.
44 I don't want to allocate so much unused space for the intervening signal
45 numbers, so we just punt if SIGRTMAX is past the bounds of the
46 signal_names array (handled in configure). */
47 #if defined (SIGRTMAX) && defined (UNUSABLE_RT_SIGNALS)
52 #if defined (SIGRTMAX) || defined (SIGRTMIN)
58 initialize_signames ()
61 #if defined (SIGRTMAX) || defined (SIGRTMIN)
62 int rtmin
, rtmax
, rtcnt
;
65 for (i
= 1; i
< signal_names_size
; i
++)
66 signal_names
[i
] = (char *)NULL
;
68 /* `signal' 0 is what we do on exit. */
69 signal_names
[0] = "EXIT";
71 /* Place signal names which can be aliases for more common signal
72 names first. This allows (for example) SIGABRT to overwrite SIGLOST. */
74 /* POSIX 1003.1b-1993 real time signals, but take care of incomplete
75 implementations. Acoording to the standard, both, SIGRTMIN and
76 SIGRTMAX must be defined, SIGRTMIN must be stricly less than
77 SIGRTMAX, and the difference must be at least 7, that is, there
78 must be at least eight distinct real time signals. */
80 /* The generated signal names are SIGRTMIN, SIGRTMIN+1, ...,
81 SIGRTMIN+x, SIGRTMAX-x, ..., SIGRTMAX-1, SIGRTMAX. If the number
82 of RT signals is odd, there is an extra SIGRTMIN+(x+1).
83 These names are the ones used by ksh and /usr/xpg4/bin/sh on SunOS5. */
85 #if defined (SIGRTMIN)
87 signal_names
[rtmin
] = "RTMIN";
90 #if defined (SIGRTMAX)
92 signal_names
[rtmax
] = "RTMAX";
95 #if defined (SIGRTMAX) && defined (SIGRTMIN)
98 rtcnt
= (rtmax
- rtmin
- 1) / 2;
99 /* croak if there are too many RT signals */
100 if (rtcnt
>= RTLIM
/2)
103 fprintf(stderr
, "%s: error: more than %i real time signals, fix `%s'\n",
104 progname
, RTLIM
, progname
);
107 for (i
= 1; i
<= rtcnt
; i
++)
109 signal_names
[rtmin
+i
] = (char *)malloc(RTLEN
);
110 if (signal_names
[rtmin
+i
])
111 sprintf (signal_names
[rtmin
+i
], "RTMIN+%d", i
);
112 signal_names
[rtmax
-i
] = (char *)malloc(RTLEN
);
113 if (signal_names
[rtmax
-i
])
114 sprintf (signal_names
[rtmax
-i
], "RTMAX-%d", i
);
117 if (rtcnt
< RTLIM
/2-1 && rtcnt
!= (rtmax
-rtmin
)/2)
119 /* Need an extra RTMIN signal */
120 signal_names
[rtmin
+rtcnt
+1] = (char *)malloc(RTLEN
);
121 if (signal_names
[rtmin
+rtcnt
+1])
122 sprintf (signal_names
[rtmin
+rtcnt
+1], "RTMIN+%d", rtcnt
+1);
125 #endif /* SIGRTMIN && SIGRTMAX */
128 #if defined (SIGLOST) /* resource lost (eg, record-lock lost) */
129 signal_names
[SIGLOST
] = "LOST";
132 #if defined (SIGMSG) /* HFT input data pending */
133 signal_names
[SIGMSG
] = "MSG";
136 #if defined (SIGDANGER) /* system crash imminent */
137 signal_names
[SIGDANGER
] = "DANGER";
140 #if defined (SIGMIGRATE) /* migrate process to another CPU */
141 signal_names
[SIGMIGRATE
] = "MIGRATE";
144 #if defined (SIGPRE) /* programming error */
145 signal_names
[SIGPRE
] = "PRE";
148 #if defined (SIGVIRT) /* AIX virtual time alarm */
149 signal_names
[SIGVIRT
] = "VIRT";
152 #if defined (SIGALRM1) /* m:n condition variables */
153 signal_names
[SIGALRM1
] = "ALRM1";
156 #if defined (SIGWAITING) /* m:n scheduling */
157 signal_names
[SIGWAITING
] = "WAITING";
160 #if defined (SIGGRANT) /* HFT monitor mode granted */
161 signal_names
[SIGGRANT
] = "GRANT";
164 #if defined (SIGKAP) /* keep alive poll from native keyboard */
165 signal_names
[SIGKAP
] = "KAP";
168 #if defined (SIGRETRACT) /* HFT monitor mode retracted */
169 signal_names
[SIGRETRACT
] = "RETRACT";
172 #if defined (SIGSOUND) /* HFT sound sequence has completed */
173 signal_names
[SIGSOUND
] = "SOUND";
176 #if defined (SIGSAK) /* Secure Attention Key */
177 signal_names
[SIGSAK
] = "SAK";
181 #if defined (SIGLWP) /* special signal used by thread library */
182 signal_names
[SIGLWP
] = "LWP";
185 #if defined (SIGFREEZE) /* special signal used by CPR */
186 signal_names
[SIGFREEZE
] = "FREEZE";
189 #if defined (SIGTHAW) /* special signal used by CPR */
190 signal_names
[SIGTHAW
] = "THAW";
193 #if defined (SIGCANCEL) /* thread cancellation signal used by libthread */
194 signal_names
[SIGCANCEL
] = "CANCEL";
198 #if defined (SIGDIL) /* DIL signal (?) */
199 signal_names
[SIGDIL
] = "DIL";
203 #if defined (SIGCLD) /* Like SIGCHLD. */
204 signal_names
[SIGCLD
] = "CLD";
207 #if defined (SIGPWR) /* power state indication */
208 signal_names
[SIGPWR
] = "PWR";
211 #if defined (SIGPOLL) /* Pollable event (for streams) */
212 signal_names
[SIGPOLL
] = "POLL";
216 #if defined (SIGWINDOW)
217 signal_names
[SIGWINDOW
] = "WINDOW";
221 #if defined (SIGHUP) /* hangup */
222 signal_names
[SIGHUP
] = "HUP";
225 #if defined (SIGINT) /* interrupt */
226 signal_names
[SIGINT
] = "INT";
229 #if defined (SIGQUIT) /* quit */
230 signal_names
[SIGQUIT
] = "QUIT";
233 #if defined (SIGILL) /* illegal instruction (not reset when caught) */
234 signal_names
[SIGILL
] = "ILL";
237 #if defined (SIGTRAP) /* trace trap (not reset when caught) */
238 signal_names
[SIGTRAP
] = "TRAP";
241 #if defined (SIGIOT) /* IOT instruction */
242 signal_names
[SIGIOT
] = "IOT";
245 #if defined (SIGABRT) /* Cause current process to dump core. */
246 signal_names
[SIGABRT
] = "ABRT";
249 #if defined (SIGEMT) /* EMT instruction */
250 signal_names
[SIGEMT
] = "EMT";
253 #if defined (SIGFPE) /* floating point exception */
254 signal_names
[SIGFPE
] = "FPE";
257 #if defined (SIGKILL) /* kill (cannot be caught or ignored) */
258 signal_names
[SIGKILL
] = "KILL";
261 #if defined (SIGBUS) /* bus error */
262 signal_names
[SIGBUS
] = "BUS";
265 #if defined (SIGSEGV) /* segmentation violation */
266 signal_names
[SIGSEGV
] = "SEGV";
269 #if defined (SIGSYS) /* bad argument to system call */
270 signal_names
[SIGSYS
] = "SYS";
273 #if defined (SIGPIPE) /* write on a pipe with no one to read it */
274 signal_names
[SIGPIPE
] = "PIPE";
277 #if defined (SIGALRM) /* alarm clock */
278 signal_names
[SIGALRM
] = "ALRM";
281 #if defined (SIGTERM) /* software termination signal from kill */
282 signal_names
[SIGTERM
] = "TERM";
285 #if defined (SIGURG) /* urgent condition on IO channel */
286 signal_names
[SIGURG
] = "URG";
289 #if defined (SIGSTOP) /* sendable stop signal not from tty */
290 signal_names
[SIGSTOP
] = "STOP";
293 #if defined (SIGTSTP) /* stop signal from tty */
294 signal_names
[SIGTSTP
] = "TSTP";
297 #if defined (SIGCONT) /* continue a stopped process */
298 signal_names
[SIGCONT
] = "CONT";
301 #if defined (SIGCHLD) /* to parent on child stop or exit */
302 signal_names
[SIGCHLD
] = "CHLD";
305 #if defined (SIGTTIN) /* to readers pgrp upon background tty read */
306 signal_names
[SIGTTIN
] = "TTIN";
309 #if defined (SIGTTOU) /* like TTIN for output if (tp->t_local<OSTOP) */
310 signal_names
[SIGTTOU
] = "TTOU";
313 #if defined (SIGIO) /* input/output possible signal */
314 signal_names
[SIGIO
] = "IO";
317 #if defined (SIGXCPU) /* exceeded CPU time limit */
318 signal_names
[SIGXCPU
] = "XCPU";
321 #if defined (SIGXFSZ) /* exceeded file size limit */
322 signal_names
[SIGXFSZ
] = "XFSZ";
325 #if defined (SIGVTALRM) /* virtual time alarm */
326 signal_names
[SIGVTALRM
] = "VTALRM";
329 #if defined (SIGPROF) /* profiling time alarm */
330 signal_names
[SIGPROF
] = "PROF";
333 #if defined (SIGWINCH) /* window changed */
334 signal_names
[SIGWINCH
] = "WINCH";
338 #if defined (SIGINFO) && !defined (_SEQUENT_) /* information request */
339 signal_names
[SIGINFO
] = "INFO";
342 #if defined (SIGUSR1) /* user defined signal 1 */
343 signal_names
[SIGUSR1
] = "USR1";
346 #if defined (SIGUSR2) /* user defined signal 2 */
347 signal_names
[SIGUSR2
] = "USR2";
350 #if defined (SIGKILLTHR) /* BeOS: Kill Thread */
351 signal_names
[SIGKILLTHR
] = "KILLTHR";
354 for (i
= 0; i
< NSIG
; i
++)
355 if (signal_names
[i
] == (char *)NULL
)
357 signal_names
[i
] = (char *)malloc (18);
359 sprintf (signal_names
[i
], "%d", i
);
364 write_signames (stream
)
369 fprintf (stream
, "/* This file was automatically created by %s.\n",
371 fprintf (stream
, " Do not edit. Edit support/mksignames.c instead. */\n\n");
372 fprintf (stream
, "#include <signal.h>\n\n");
374 "/* A translation list so we can be polite to our users. */\n");
375 fprintf (stream
, "const char *const signal_names[NSIG + 1] = {\n");
377 for (i
= 0; i
<= LASTSIG
; i
++)
378 fprintf (stream
, " \"%s\",\n", signal_names
[i
]);
380 fprintf (stream
, " (char *)0x0\n");
381 fprintf (stream
, "};\n");
385 main(int argc
, char **argv
)
394 stream_name
= "signames.c";
398 stream_name
= argv
[1];
402 fprintf (stderr
, "Usage: %s [output-file]\n", progname
);
406 stream
= fopen (stream_name
, "w");
409 fprintf (stderr
, "%s: %s: cannot open for writing\n",
410 progname
, stream_name
);
414 initialize_signames ();
415 write_signames (stream
);