diff options
Diffstat (limited to 'bin/dash/src/mksignames.c')
| -rw-r--r-- | bin/dash/src/mksignames.c | 417 |
1 files changed, 417 insertions, 0 deletions
diff --git a/bin/dash/src/mksignames.c b/bin/dash/src/mksignames.c new file mode 100644 index 00000000..a832eab9 --- /dev/null +++ b/bin/dash/src/mksignames.c @@ -0,0 +1,417 @@ +/* signames.c -- Create and write `signames.c', which contains an array of + signal names. */ + +/* Copyright (C) 1992 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 <stdio.h> +#include <sys/types.h> +#include <signal.h> +#include <stdlib.h> + +#if !defined (NSIG) +# define NSIG 64 +#endif + +/* + * Special traps: + * EXIT == 0 + */ +#define LASTSIG NSIG-1 + +char *signal_names[2 * NSIG + 3]; + +#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] = "RTMIN"; +#endif + +#if defined (SIGRTMAX) + rtmax = SIGRTMAX; + signal_names[rtmax] = "RTMAX"; +#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], "RTMIN+%d", i); + signal_names[rtmax-i] = (char *)malloc(RTLEN); + if (signal_names[rtmax-i]) + sprintf (signal_names[rtmax-i], "RTMAX-%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], "RTMIN+%d", rtcnt+1); + } + } +#endif /* SIGRTMIN && SIGRTMAX */ + +/* AIX */ +#if defined (SIGLOST) /* resource lost (eg, record-lock lost) */ + signal_names[SIGLOST] = "LOST"; +#endif + +#if defined (SIGMSG) /* HFT input data pending */ + signal_names[SIGMSG] = "MSG"; +#endif + +#if defined (SIGDANGER) /* system crash imminent */ + signal_names[SIGDANGER] = "DANGER"; +#endif + +#if defined (SIGMIGRATE) /* migrate process to another CPU */ + signal_names[SIGMIGRATE] = "MIGRATE"; +#endif + +#if defined (SIGPRE) /* programming error */ + signal_names[SIGPRE] = "PRE"; +#endif + +#if defined (SIGVIRT) /* AIX virtual time alarm */ + signal_names[SIGVIRT] = "VIRT"; +#endif + +#if defined (SIGALRM1) /* m:n condition variables */ + signal_names[SIGALRM1] = "ALRM1"; +#endif + +#if defined (SIGWAITING) /* m:n scheduling */ + signal_names[SIGWAITING] = "WAITING"; +#endif + +#if defined (SIGGRANT) /* HFT monitor mode granted */ + signal_names[SIGGRANT] = "GRANT"; +#endif + +#if defined (SIGKAP) /* keep alive poll from native keyboard */ + signal_names[SIGKAP] = "KAP"; +#endif + +#if defined (SIGRETRACT) /* HFT monitor mode retracted */ + signal_names[SIGRETRACT] = "RETRACT"; +#endif + +#if defined (SIGSOUND) /* HFT sound sequence has completed */ + signal_names[SIGSOUND] = "SOUND"; +#endif + +#if defined (SIGSAK) /* Secure Attention Key */ + signal_names[SIGSAK] = "SAK"; +#endif + +/* SunOS5 */ +#if defined (SIGLWP) /* special signal used by thread library */ + signal_names[SIGLWP] = "LWP"; +#endif + +#if defined (SIGFREEZE) /* special signal used by CPR */ + signal_names[SIGFREEZE] = "FREEZE"; +#endif + +#if defined (SIGTHAW) /* special signal used by CPR */ + signal_names[SIGTHAW] = "THAW"; +#endif + +#if defined (SIGCANCEL) /* thread cancellation signal used by libthread */ + signal_names[SIGCANCEL] = "CANCEL"; +#endif + +/* HP-UX */ +#if defined (SIGDIL) /* DIL signal (?) */ + signal_names[SIGDIL] = "DIL"; +#endif + +/* System V */ +#if defined (SIGCLD) /* Like SIGCHLD. */ + signal_names[SIGCLD] = "CLD"; +#endif + +#if defined (SIGPWR) /* power state indication */ + signal_names[SIGPWR] = "PWR"; +#endif + +#if defined (SIGPOLL) /* Pollable event (for streams) */ + signal_names[SIGPOLL] = "POLL"; +#endif + +/* Unknown */ +#if defined (SIGWINDOW) + signal_names[SIGWINDOW] = "WINDOW"; +#endif + +/* Common */ +#if defined (SIGHUP) /* hangup */ + signal_names[SIGHUP] = "HUP"; +#endif + +#if defined (SIGINT) /* interrupt */ + signal_names[SIGINT] = "INT"; +#endif + +#if defined (SIGQUIT) /* quit */ + signal_names[SIGQUIT] = "QUIT"; +#endif + +#if defined (SIGILL) /* illegal instruction (not reset when caught) */ + signal_names[SIGILL] = "ILL"; +#endif + +#if defined (SIGTRAP) /* trace trap (not reset when caught) */ + signal_names[SIGTRAP] = "TRAP"; +#endif + +#if defined (SIGIOT) /* IOT instruction */ + signal_names[SIGIOT] = "IOT"; +#endif + +#if defined (SIGABRT) /* Cause current process to dump core. */ + signal_names[SIGABRT] = "ABRT"; +#endif + +#if defined (SIGEMT) /* EMT instruction */ + signal_names[SIGEMT] = "EMT"; +#endif + +#if defined (SIGFPE) /* floating point exception */ + signal_names[SIGFPE] = "FPE"; +#endif + +#if defined (SIGKILL) /* kill (cannot be caught or ignored) */ + signal_names[SIGKILL] = "KILL"; +#endif + +#if defined (SIGBUS) /* bus error */ + signal_names[SIGBUS] = "BUS"; +#endif + +#if defined (SIGSEGV) /* segmentation violation */ + signal_names[SIGSEGV] = "SEGV"; +#endif + +#if defined (SIGSYS) /* bad argument to system call */ + signal_names[SIGSYS] = "SYS"; +#endif + +#if defined (SIGPIPE) /* write on a pipe with no one to read it */ + signal_names[SIGPIPE] = "PIPE"; +#endif + +#if defined (SIGALRM) /* alarm clock */ + signal_names[SIGALRM] = "ALRM"; +#endif + +#if defined (SIGTERM) /* software termination signal from kill */ + signal_names[SIGTERM] = "TERM"; +#endif + +#if defined (SIGURG) /* urgent condition on IO channel */ + signal_names[SIGURG] = "URG"; +#endif + +#if defined (SIGSTOP) /* sendable stop signal not from tty */ + signal_names[SIGSTOP] = "STOP"; +#endif + +#if defined (SIGTSTP) /* stop signal from tty */ + signal_names[SIGTSTP] = "TSTP"; +#endif + +#if defined (SIGCONT) /* continue a stopped process */ + signal_names[SIGCONT] = "CONT"; +#endif + +#if defined (SIGCHLD) /* to parent on child stop or exit */ + signal_names[SIGCHLD] = "CHLD"; +#endif + +#if defined (SIGTTIN) /* to readers pgrp upon background tty read */ + signal_names[SIGTTIN] = "TTIN"; +#endif + +#if defined (SIGTTOU) /* like TTIN for output if (tp->t_local<OSTOP) */ + signal_names[SIGTTOU] = "TTOU"; +#endif + +#if defined (SIGIO) /* input/output possible signal */ + signal_names[SIGIO] = "IO"; +#endif + +#if defined (SIGXCPU) /* exceeded CPU time limit */ + signal_names[SIGXCPU] = "XCPU"; +#endif + +#if defined (SIGXFSZ) /* exceeded file size limit */ + signal_names[SIGXFSZ] = "XFSZ"; +#endif + +#if defined (SIGVTALRM) /* virtual time alarm */ + signal_names[SIGVTALRM] = "VTALRM"; +#endif + +#if defined (SIGPROF) /* profiling time alarm */ + signal_names[SIGPROF] = "PROF"; +#endif + +#if defined (SIGWINCH) /* window changed */ + signal_names[SIGWINCH] = "WINCH"; +#endif + +/* 4.4 BSD */ +#if defined (SIGINFO) && !defined (_SEQUENT_) /* information request */ + signal_names[SIGINFO] = "INFO"; +#endif + +#if defined (SIGUSR1) /* user defined signal 1 */ + signal_names[SIGUSR1] = "USR1"; +#endif + +#if defined (SIGUSR2) /* user defined signal 2 */ + signal_names[SIGUSR2] = "USR2"; +#endif + +#if defined (SIGKILLTHR) /* BeOS: Kill Thread */ + signal_names[SIGKILLTHR] = "KILLTHR"; +#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], "%d", i); + } +} + +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, "#include <signal.h>\n\n"); + fprintf (stream, + "/* A translation list so we can be polite to our users. */\n"); + fprintf (stream, "const char *const signal_names[NSIG + 1] = {\n"); + + for (i = 0; i <= LASTSIG; i++) + fprintf (stream, " \"%s\",\n", signal_names[i]); + + fprintf (stream, " (char *)0x0\n"); + fprintf (stream, "};\n"); +} + +int +main(int argc, char **argv) +{ + char *stream_name; + FILE *stream; + + progname = argv[0]; + + 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); + } + + stream = fopen (stream_name, "w"); + if (!stream) + { + fprintf (stderr, "%s: %s: cannot open for writing\n", + progname, stream_name); + exit (2); + } + + initialize_signames (); + write_signames (stream); + exit (0); +} |