0,0 → 1,400 |
/* signames.c -- Create and write `signames.c', which contains an array of |
signal names. */ |
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/* Copyright (C) 1992 Free Software Foundation, Inc. |
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This file is part of GNU Bash, the Bourne Again SHell. |
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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. |
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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. |
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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. */ |
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#include <stdio.h> |
#include <sys/types.h> |
#include <signal.h> |
#include <stdlib.h> |
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#if !defined (NSIG) |
# define NSIG 64 |
#endif |
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char *signal_names[2 * NSIG]; |
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char *progname; |
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#if defined (SIGRTMAX) || defined (SIGRTMIN) |
# define RTLEN 14 |
# define RTLIM 256 |
#endif |
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void |
initialize_signames () |
{ |
register int i; |
#if defined (SIGRTMAX) || defined (SIGRTMIN) |
int rtmin, rtmax, rtcnt; |
#endif |
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for (i = 1; i < sizeof(signal_names)/sizeof(signal_names[0]); i++) |
signal_names[i] = (char *)NULL; |
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/* `signal' 0 is what we do on exit. */ |
signal_names[0] = "EXIT"; |
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/* Place signal names which can be aliases for more common signal |
names first. This allows (for example) SIGABRT to overwrite SIGLOST. */ |
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/* 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. */ |
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/* 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. */ |
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#if defined (SIGRTMIN) |
rtmin = SIGRTMIN; |
signal_names[rtmin] = "SIGRTMIN"; |
#endif |
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#if defined (SIGRTMAX) |
rtmax = SIGRTMAX; |
signal_names[rtmax] = "SIGRTMAX"; |
#endif |
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#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); |
} |
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for (i = 1; i <= rtcnt; i++) |
{ |
signal_names[rtmin+i] = (char *)malloc(RTLEN); |
sprintf (signal_names[rtmin+i], "SIGRTMIN+%d", i); |
signal_names[rtmax-i] = (char *)malloc(RTLEN); |
sprintf (signal_names[rtmax-i], "SIGRTMAX-%d", i); |
} |
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if (rtcnt < RTLIM/2-1 && rtcnt != (rtmax-rtmin)/2) |
{ |
/* Need an extra RTMIN signal */ |
signal_names[rtmin+rtcnt+1] = (char *)malloc(RTLEN); |
sprintf (signal_names[rtmin+rtcnt+1], "SIGRTMIN+%d", rtcnt+1); |
} |
} |
#endif /* SIGRTMIN && SIGRTMAX */ |
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/* AIX */ |
#if defined (SIGLOST) /* resource lost (eg, record-lock lost) */ |
signal_names[SIGLOST] = "SIGLOST"; |
#endif |
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#if defined (SIGMSG) /* HFT input data pending */ |
signal_names[SIGMSG] = "SIGMSG"; |
#endif |
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#if defined (SIGDANGER) /* system crash imminent */ |
signal_names[SIGDANGER] = "SIGDANGER"; |
#endif |
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#if defined (SIGMIGRATE) /* migrate process to another CPU */ |
signal_names[SIGMIGRATE] = "SIGMIGRATE"; |
#endif |
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#if defined (SIGPRE) /* programming error */ |
signal_names[SIGPRE] = "SIGPRE"; |
#endif |
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#if defined (SIGVIRT) /* AIX virtual time alarm */ |
signal_names[SIGVIRT] = "SIGVIRT"; |
#endif |
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#if defined (SIGALRM1) /* m:n condition variables */ |
signal_names[SIGALRM1] = "SIGALRM1"; |
#endif |
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#if defined (SIGWAITING) /* m:n scheduling */ |
signal_names[SIGWAITING] = "SIGWAITING"; |
#endif |
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#if defined (SIGGRANT) /* HFT monitor mode granted */ |
signal_names[SIGGRANT] = "SIGGRANT"; |
#endif |
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#if defined (SIGKAP) /* keep alive poll from native keyboard */ |
signal_names[SIGKAP] = "SIGKAP"; |
#endif |
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#if defined (SIGRETRACT) /* HFT monitor mode retracted */ |
signal_names[SIGRETRACT] = "SIGRETRACT"; |
#endif |
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#if defined (SIGSOUND) /* HFT sound sequence has completed */ |
signal_names[SIGSOUND] = "SIGSOUND"; |
#endif |
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#if defined (SIGSAK) /* Secure Attention Key */ |
signal_names[SIGSAK] = "SIGSAK"; |
#endif |
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/* SunOS5 */ |
#if defined (SIGLWP) /* special signal used by thread library */ |
signal_names[SIGLWP] = "SIGLWP"; |
#endif |
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#if defined (SIGFREEZE) /* special signal used by CPR */ |
signal_names[SIGFREEZE] = "SIGFREEZE"; |
#endif |
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#if defined (SIGTHAW) /* special signal used by CPR */ |
signal_names[SIGTHAW] = "SIGTHAW"; |
#endif |
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#if defined (SIGCANCEL) /* thread cancellation signal used by libthread */ |
signal_names[SIGCANCEL] = "SIGCANCEL"; |
#endif |
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/* HP-UX */ |
#if defined (SIGDIL) /* DIL signal (?) */ |
signal_names[SIGDIL] = "SIGDIL"; |
#endif |
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/* System V */ |
#if defined (SIGCLD) /* Like SIGCHLD. */ |
signal_names[SIGCLD] = "SIGCLD"; |
#endif |
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#if defined (SIGPWR) /* power state indication */ |
signal_names[SIGPWR] = "SIGPWR"; |
#endif |
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#if defined (SIGPOLL) /* Pollable event (for streams) */ |
signal_names[SIGPOLL] = "SIGPOLL"; |
#endif |
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/* Unknown */ |
#if defined (SIGWINDOW) |
signal_names[SIGWINDOW] = "SIGWINDOW"; |
#endif |
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/* Common */ |
#if defined (SIGHUP) /* hangup */ |
signal_names[SIGHUP] = "SIGHUP"; |
#endif |
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#if defined (SIGINT) /* interrupt */ |
signal_names[SIGINT] = "SIGINT"; |
#endif |
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#if defined (SIGQUIT) /* quit */ |
signal_names[SIGQUIT] = "SIGQUIT"; |
#endif |
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#if defined (SIGILL) /* illegal instruction (not reset when caught) */ |
signal_names[SIGILL] = "SIGILL"; |
#endif |
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#if defined (SIGTRAP) /* trace trap (not reset when caught) */ |
signal_names[SIGTRAP] = "SIGTRAP"; |
#endif |
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#if defined (SIGIOT) /* IOT instruction */ |
signal_names[SIGIOT] = "SIGIOT"; |
#endif |
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#if defined (SIGABRT) /* Cause current process to dump core. */ |
signal_names[SIGABRT] = "SIGABRT"; |
#endif |
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#if defined (SIGEMT) /* EMT instruction */ |
signal_names[SIGEMT] = "SIGEMT"; |
#endif |
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#if defined (SIGFPE) /* floating point exception */ |
signal_names[SIGFPE] = "SIGFPE"; |
#endif |
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#if defined (SIGKILL) /* kill (cannot be caught or ignored) */ |
signal_names[SIGKILL] = "SIGKILL"; |
#endif |
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#if defined (SIGBUS) /* bus error */ |
signal_names[SIGBUS] = "SIGBUS"; |
#endif |
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#if defined (SIGSEGV) /* segmentation violation */ |
signal_names[SIGSEGV] = "SIGSEGV"; |
#endif |
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#if defined (SIGSYS) /* bad argument to system call */ |
signal_names[SIGSYS] = "SIGSYS"; |
#endif |
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#if defined (SIGPIPE) /* write on a pipe with no one to read it */ |
signal_names[SIGPIPE] = "SIGPIPE"; |
#endif |
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#if defined (SIGALRM) /* alarm clock */ |
signal_names[SIGALRM] = "SIGALRM"; |
#endif |
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#if defined (SIGTERM) /* software termination signal from kill */ |
signal_names[SIGTERM] = "SIGTERM"; |
#endif |
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#if defined (SIGURG) /* urgent condition on IO channel */ |
signal_names[SIGURG] = "SIGURG"; |
#endif |
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#if defined (SIGSTOP) /* sendable stop signal not from tty */ |
signal_names[SIGSTOP] = "SIGSTOP"; |
#endif |
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#if defined (SIGTSTP) /* stop signal from tty */ |
signal_names[SIGTSTP] = "SIGTSTP"; |
#endif |
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#if defined (SIGCONT) /* continue a stopped process */ |
signal_names[SIGCONT] = "SIGCONT"; |
#endif |
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#if defined (SIGCHLD) /* to parent on child stop or exit */ |
signal_names[SIGCHLD] = "SIGCHLD"; |
#endif |
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#if defined (SIGTTIN) /* to readers pgrp upon background tty read */ |
signal_names[SIGTTIN] = "SIGTTIN"; |
#endif |
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#if defined (SIGTTOU) /* like TTIN for output if (tp->t_local<OSTOP) */ |
signal_names[SIGTTOU] = "SIGTTOU"; |
#endif |
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#if defined (SIGIO) /* input/output possible signal */ |
signal_names[SIGIO] = "SIGIO"; |
#endif |
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#if defined (SIGXCPU) /* exceeded CPU time limit */ |
signal_names[SIGXCPU] = "SIGXCPU"; |
#endif |
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#if defined (SIGXFSZ) /* exceeded file size limit */ |
signal_names[SIGXFSZ] = "SIGXFSZ"; |
#endif |
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#if defined (SIGVTALRM) /* virtual time alarm */ |
signal_names[SIGVTALRM] = "SIGVTALRM"; |
#endif |
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#if defined (SIGPROF) /* profiling time alarm */ |
signal_names[SIGPROF] = "SIGPROF"; |
#endif |
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#if defined (SIGWINCH) /* window changed */ |
signal_names[SIGWINCH] = "SIGWINCH"; |
#endif |
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/* 4.4 BSD */ |
#if defined (SIGINFO) && !defined (_SEQUENT_) /* information request */ |
signal_names[SIGINFO] = "SIGINFO"; |
#endif |
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#if defined (SIGUSR1) /* user defined signal 1 */ |
signal_names[SIGUSR1] = "SIGUSR1"; |
#endif |
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#if defined (SIGUSR2) /* user defined signal 2 */ |
signal_names[SIGUSR2] = "SIGUSR2"; |
#endif |
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#if defined (SIGKILLTHR) /* BeOS: Kill Thread */ |
signal_names[SIGKILLTHR] = "SIGKILLTHR"; |
#endif |
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for (i = 0; i < NSIG; i++) |
if (signal_names[i] == (char *)NULL) |
{ |
signal_names[i] = (char *)malloc (18); |
sprintf (signal_names[i], "SIGJUNK(%d)", i); |
} |
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signal_names[NSIG] = "DEBUG"; |
} |
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void |
write_signames (stream) |
FILE *stream; |
{ |
register int i; |
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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, "#include <signal.h>\n\n"); |
fprintf (stream, |
"/* A translation list so we can be polite to our users. */\n"); |
fprintf (stream, "char *signal_names[NSIG + 2] = {\n"); |
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for (i = 0; i <= NSIG; i++) |
fprintf (stream, " \"%s\",\n", signal_names[i]); |
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fprintf (stream, " (char *)0x0,\n"); |
fprintf (stream, "};\n"); |
} |
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int |
main (argc, argv) |
int argc; |
char **argv; |
{ |
char *stream_name; |
FILE *stream; |
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progname = argv[0]; |
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if (argc == 1) |
{ |
stream_name = "signames.c"; |
} |
else if (argc == 2) |
{ |
stream_name = argv[1]; |
} |
else |
{ |
fprintf (stderr, "Usage: %s [output-file]\n", progname); |
exit (1); |
} |
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stream = fopen (stream_name, "w"); |
if (!stream) |
{ |
fprintf (stderr, "%s: %s: cannot open for writing\n", |
progname, stream_name); |
exit (2); |
} |
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initialize_signames (); |
write_signames (stream); |
exit (0); |
} |