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-rw-r--r--support/mksignames.c446
1 files changed, 446 insertions, 0 deletions
diff --git a/support/mksignames.c b/support/mksignames.c
new file mode 100644
index 0000000..e6a1518
--- /dev/null
+++ b/support/mksignames.c
@@ -0,0 +1,446 @@
+/* signames.c -- Create and write `signames.h', which contains an array of
+ signal names. */
+
+/* Copyright (C) 1992-2003 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2, or (at your option) any later
+ version.
+
+ Bash is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with Bash; see the file COPYING. If not, write to the Free Software
+ Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <signal.h>
+#if defined (HAVE_STDLIB_H)
+# include <stdlib.h>
+#else
+# include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#if !defined (NSIG)
+# define NSIG 64
+#endif
+
+/*
+ * Special traps:
+ * EXIT == 0
+ * DEBUG == NSIG
+ * ERR == NSIG+1
+ * RETURN == NSIG+2
+ */
+#define LASTSIG NSIG+2
+
+char *signal_names[2 * (LASTSIG)];
+
+#define signal_names_size (sizeof(signal_names)/sizeof(signal_names[0]))
+
+char *progname;
+
+/* AIX 4.3 defines SIGRTMIN and SIGRTMAX as 888 and 999 respectively.
+ I don't want to allocate so much unused space for the intervening signal
+ numbers, so we just punt if SIGRTMAX is past the bounds of the
+ signal_names array (handled in configure). */
+#if defined (SIGRTMAX) && defined (UNUSABLE_RT_SIGNALS)
+# undef SIGRTMAX
+# undef SIGRTMIN
+#endif
+
+#if defined (SIGRTMAX) || defined (SIGRTMIN)
+# define RTLEN 14
+# define RTLIM 256
+#endif
+
+void
+initialize_signames ()
+{
+ register int i;
+#if defined (SIGRTMAX) || defined (SIGRTMIN)
+ int rtmin, rtmax, rtcnt;
+#endif
+
+ for (i = 1; i < signal_names_size; i++)
+ signal_names[i] = (char *)NULL;
+
+ /* `signal' 0 is what we do on exit. */
+ signal_names[0] = "EXIT";
+
+ /* Place signal names which can be aliases for more common signal
+ names first. This allows (for example) SIGABRT to overwrite SIGLOST. */
+
+ /* POSIX 1003.1b-1993 real time signals, but take care of incomplete
+ implementations. Acoording to the standard, both, SIGRTMIN and
+ SIGRTMAX must be defined, SIGRTMIN must be stricly less than
+ SIGRTMAX, and the difference must be at least 7, that is, there
+ must be at least eight distinct real time signals. */
+
+ /* The generated signal names are SIGRTMIN, SIGRTMIN+1, ...,
+ SIGRTMIN+x, SIGRTMAX-x, ..., SIGRTMAX-1, SIGRTMAX. If the number
+ of RT signals is odd, there is an extra SIGRTMIN+(x+1).
+ These names are the ones used by ksh and /usr/xpg4/bin/sh on SunOS5. */
+
+#if defined (SIGRTMIN)
+ rtmin = SIGRTMIN;
+ signal_names[rtmin] = "SIGRTMIN";
+#endif
+
+#if defined (SIGRTMAX)
+ rtmax = SIGRTMAX;
+ signal_names[rtmax] = "SIGRTMAX";
+#endif
+
+#if defined (SIGRTMAX) && defined (SIGRTMIN)
+ if (rtmax > rtmin)
+ {
+ rtcnt = (rtmax - rtmin - 1) / 2;
+ /* croak if there are too many RT signals */
+ if (rtcnt >= RTLIM/2)
+ {
+ rtcnt = RTLIM/2-1;
+ fprintf(stderr, "%s: error: more than %i real time signals, fix `%s'\n",
+ progname, RTLIM, progname);
+ }
+
+ for (i = 1; i <= rtcnt; i++)
+ {
+ signal_names[rtmin+i] = (char *)malloc(RTLEN);
+ if (signal_names[rtmin+i])
+ sprintf (signal_names[rtmin+i], "SIGRTMIN+%d", i);
+ signal_names[rtmax-i] = (char *)malloc(RTLEN);
+ if (signal_names[rtmax-i])
+ sprintf (signal_names[rtmax-i], "SIGRTMAX-%d", i);
+ }
+
+ if (rtcnt < RTLIM/2-1 && rtcnt != (rtmax-rtmin)/2)
+ {
+ /* Need an extra RTMIN signal */
+ signal_names[rtmin+rtcnt+1] = (char *)malloc(RTLEN);
+ if (signal_names[rtmin+rtcnt+1])
+ sprintf (signal_names[rtmin+rtcnt+1], "SIGRTMIN+%d", rtcnt+1);
+ }
+ }
+#endif /* SIGRTMIN && SIGRTMAX */
+
+#if defined (SIGLOST) /* resource lost (eg, record-lock lost) */
+ signal_names[SIGLOST] = "SIGLOST";
+#endif
+
+/* AIX */
+#if defined (SIGMSG) /* HFT input data pending */
+ signal_names[SIGMSG] = "SIGMSG";
+#endif
+
+#if defined (SIGDANGER) /* system crash imminent */
+ signal_names[SIGDANGER] = "SIGDANGER";
+#endif
+
+#if defined (SIGMIGRATE) /* migrate process to another CPU */
+ signal_names[SIGMIGRATE] = "SIGMIGRATE";
+#endif
+
+#if defined (SIGPRE) /* programming error */
+ signal_names[SIGPRE] = "SIGPRE";
+#endif
+
+#if defined (SIGVIRT) /* AIX virtual time alarm */
+ signal_names[SIGVIRT] = "SIGVIRT";
+#endif
+
+#if defined (SIGALRM1) /* m:n condition variables */
+ signal_names[SIGALRM1] = "SIGALRM1";
+#endif
+
+#if defined (SIGWAITING) /* m:n scheduling */
+ signal_names[SIGWAITING] = "SIGWAITING";
+#endif
+
+#if defined (SIGGRANT) /* HFT monitor mode granted */
+ signal_names[SIGGRANT] = "SIGGRANT";
+#endif
+
+#if defined (SIGKAP) /* keep alive poll from native keyboard */
+ signal_names[SIGKAP] = "SIGKAP";
+#endif
+
+#if defined (SIGRETRACT) /* HFT monitor mode retracted */
+ signal_names[SIGRETRACT] = "SIGRETRACT";
+#endif
+
+#if defined (SIGSOUND) /* HFT sound sequence has completed */
+ signal_names[SIGSOUND] = "SIGSOUND";
+#endif
+
+#if defined (SIGSAK) /* Secure Attention Key */
+ signal_names[SIGSAK] = "SIGSAK";
+#endif
+
+/* SunOS5 */
+#if defined (SIGLWP) /* special signal used by thread library */
+ signal_names[SIGLWP] = "SIGLWP";
+#endif
+
+#if defined (SIGFREEZE) /* special signal used by CPR */
+ signal_names[SIGFREEZE] = "SIGFREEZE";
+#endif
+
+#if defined (SIGTHAW) /* special signal used by CPR */
+ signal_names[SIGTHAW] = "SIGTHAW";
+#endif
+
+#if defined (SIGCANCEL) /* thread cancellation signal used by libthread */
+ signal_names[SIGCANCEL] = "SIGCANCEL";
+#endif
+
+#if defined (SIGXRES) /* resource control exceeded */
+ signal_names[SIGXRES] = "SIGXRES";
+#endif
+
+/* HP-UX */
+#if defined (SIGDIL) /* DIL signal (?) */
+ signal_names[SIGDIL] = "SIGDIL";
+#endif
+
+/* System V */
+#if defined (SIGCLD) /* Like SIGCHLD. */
+ signal_names[SIGCLD] = "SIGCLD";
+#endif
+
+#if defined (SIGPWR) /* power state indication */
+ signal_names[SIGPWR] = "SIGPWR";
+#endif
+
+#if defined (SIGPOLL) /* Pollable event (for streams) */
+ signal_names[SIGPOLL] = "SIGPOLL";
+#endif
+
+/* Unknown */
+#if defined (SIGWINDOW)
+ signal_names[SIGWINDOW] = "SIGWINDOW";
+#endif
+
+/* Linux */
+#if defined (SIGSTKFLT)
+ signal_names[SIGSTKFLT] = "SIGSTKFLT";
+#endif
+
+/* FreeBSD */
+#if defined (SIGTHR) /* thread interrupt */
+ signal_names[SIGTHR] = "SIGTHR";
+#endif
+
+/* Common */
+#if defined (SIGHUP) /* hangup */
+ signal_names[SIGHUP] = "SIGHUP";
+#endif
+
+#if defined (SIGINT) /* interrupt */
+ signal_names[SIGINT] = "SIGINT";
+#endif
+
+#if defined (SIGQUIT) /* quit */
+ signal_names[SIGQUIT] = "SIGQUIT";
+#endif
+
+#if defined (SIGILL) /* illegal instruction (not reset when caught) */
+ signal_names[SIGILL] = "SIGILL";
+#endif
+
+#if defined (SIGTRAP) /* trace trap (not reset when caught) */
+ signal_names[SIGTRAP] = "SIGTRAP";
+#endif
+
+#if defined (SIGIOT) /* IOT instruction */
+ signal_names[SIGIOT] = "SIGIOT";
+#endif
+
+#if defined (SIGABRT) /* Cause current process to dump core. */
+ signal_names[SIGABRT] = "SIGABRT";
+#endif
+
+#if defined (SIGEMT) /* EMT instruction */
+ signal_names[SIGEMT] = "SIGEMT";
+#endif
+
+#if defined (SIGFPE) /* floating point exception */
+ signal_names[SIGFPE] = "SIGFPE";
+#endif
+
+#if defined (SIGKILL) /* kill (cannot be caught or ignored) */
+ signal_names[SIGKILL] = "SIGKILL";
+#endif
+
+#if defined (SIGBUS) /* bus error */
+ signal_names[SIGBUS] = "SIGBUS";
+#endif
+
+#if defined (SIGSEGV) /* segmentation violation */
+ signal_names[SIGSEGV] = "SIGSEGV";
+#endif
+
+#if defined (SIGSYS) /* bad argument to system call */
+ signal_names[SIGSYS] = "SIGSYS";
+#endif
+
+#if defined (SIGPIPE) /* write on a pipe with no one to read it */
+ signal_names[SIGPIPE] = "SIGPIPE";
+#endif
+
+#if defined (SIGALRM) /* alarm clock */
+ signal_names[SIGALRM] = "SIGALRM";
+#endif
+
+#if defined (SIGTERM) /* software termination signal from kill */
+ signal_names[SIGTERM] = "SIGTERM";
+#endif
+
+#if defined (SIGURG) /* urgent condition on IO channel */
+ signal_names[SIGURG] = "SIGURG";
+#endif
+
+#if defined (SIGSTOP) /* sendable stop signal not from tty */
+ signal_names[SIGSTOP] = "SIGSTOP";
+#endif
+
+#if defined (SIGTSTP) /* stop signal from tty */
+ signal_names[SIGTSTP] = "SIGTSTP";
+#endif
+
+#if defined (SIGCONT) /* continue a stopped process */
+ signal_names[SIGCONT] = "SIGCONT";
+#endif
+
+#if defined (SIGCHLD) /* to parent on child stop or exit */
+ signal_names[SIGCHLD] = "SIGCHLD";
+#endif
+
+#if defined (SIGTTIN) /* to readers pgrp upon background tty read */
+ signal_names[SIGTTIN] = "SIGTTIN";
+#endif
+
+#if defined (SIGTTOU) /* like TTIN for output if (tp->t_local&LTOSTOP) */
+ signal_names[SIGTTOU] = "SIGTTOU";
+#endif
+
+#if defined (SIGIO) /* input/output possible signal */
+ signal_names[SIGIO] = "SIGIO";
+#endif
+
+#if defined (SIGXCPU) /* exceeded CPU time limit */
+ signal_names[SIGXCPU] = "SIGXCPU";
+#endif
+
+#if defined (SIGXFSZ) /* exceeded file size limit */
+ signal_names[SIGXFSZ] = "SIGXFSZ";
+#endif
+
+#if defined (SIGVTALRM) /* virtual time alarm */
+ signal_names[SIGVTALRM] = "SIGVTALRM";
+#endif
+
+#if defined (SIGPROF) /* profiling time alarm */
+ signal_names[SIGPROF] = "SIGPROF";
+#endif
+
+#if defined (SIGWINCH) /* window changed */
+ signal_names[SIGWINCH] = "SIGWINCH";
+#endif
+
+/* 4.4 BSD */
+#if defined (SIGINFO) && !defined (_SEQUENT_) /* information request */
+ signal_names[SIGINFO] = "SIGINFO";
+#endif
+
+#if defined (SIGUSR1) /* user defined signal 1 */
+ signal_names[SIGUSR1] = "SIGUSR1";
+#endif
+
+#if defined (SIGUSR2) /* user defined signal 2 */
+ signal_names[SIGUSR2] = "SIGUSR2";
+#endif
+
+#if defined (SIGKILLTHR) /* BeOS: Kill Thread */
+ signal_names[SIGKILLTHR] = "SIGKILLTHR";
+#endif
+
+ for (i = 0; i < NSIG; i++)
+ if (signal_names[i] == (char *)NULL)
+ {
+ signal_names[i] = (char *)malloc (18);
+ if (signal_names[i])
+ sprintf (signal_names[i], "SIGJUNK(%d)", i);
+ }
+
+ signal_names[NSIG] = "DEBUG";
+ signal_names[NSIG+1] = "ERR";
+ signal_names[NSIG+2] = "RETURN";
+}
+
+void
+write_signames (stream)
+ FILE *stream;
+{
+ register int i;
+
+ fprintf (stream, "/* This file was automatically created by %s.\n",
+ progname);
+ fprintf (stream, " Do not edit. Edit support/mksignames.c instead. */\n\n");
+ fprintf (stream,
+ "/* A translation list so we can be polite to our users. */\n");
+ fprintf (stream, "char *signal_names[NSIG + 4] = {\n");
+
+ for (i = 0; i <= LASTSIG; i++)
+ fprintf (stream, " \"%s\",\n", signal_names[i]);
+
+ fprintf (stream, " (char *)0x0\n");
+ fprintf (stream, "};\n");
+}
+
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ char *stream_name;
+ FILE *stream;
+
+ progname = argv[0];
+
+ if (argc == 1)
+ {
+ stream_name = "stdout";
+ stream = stdout;
+ }
+ else if (argc == 2)
+ {
+ stream_name = argv[1];
+ stream = fopen (stream_name, "w");
+ }
+ else
+ {
+ fprintf (stderr, "Usage: %s [output-file]\n", progname);
+ exit (1);
+ }
+
+ if (!stream)
+ {
+ fprintf (stderr, "%s: %s: cannot open for writing\n",
+ progname, stream_name);
+ exit (2);
+ }
+
+ initialize_signames ();
+ write_signames (stream);
+ exit (0);
+}
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