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Import GNU Make 4.4.1
Landlock Make hasn't been working well on AARCH64 systems. Let's do this over the right way, using our new build tools.
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Justine Tunney
parent
9315ebbfd9
commit
14bf57180f
88 changed files with 13931 additions and 16191 deletions
254
third_party/make/signame.c
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254
third_party/make/signame.c
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/* Convert between signal names and numbers.
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Copyright (C) 1990-2023 Free Software Foundation, Inc.
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This file is part of GNU Make.
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GNU Make is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3 of the License, or (at your option) any later
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version.
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GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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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
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this program. If not, see <https://www.gnu.org/licenses/>. */
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#include "makeint.h"
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/* If the system provides strsignal, we don't need it. */
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#if !HAVE_STRSIGNAL
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/* If the system provides sys_siglist, we'll use that.
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Otherwise create our own.
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*/
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#if !HAVE_DECL_SYS_SIGLIST
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/* Some systems do not define NSIG in <signal.h>. */
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#ifndef NSIG
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#ifdef _NSIG
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#define NSIG _NSIG
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#else
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#define NSIG 32
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#endif
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#endif
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/* There is too much variation in Sys V signal numbers and names, so
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we must initialize them at runtime. */
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static const char *undoc;
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static const char *sys_siglist[NSIG];
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/* Table of abbreviations for signals. Note: A given number can
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appear more than once with different abbreviations. */
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#define SIG_TABLE_SIZE (NSIG*2)
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typedef struct
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{
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int number;
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const char *abbrev;
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} num_abbrev;
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static num_abbrev sig_table[SIG_TABLE_SIZE];
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/* Number of elements of sig_table used. */
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static int sig_table_nelts = 0;
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/* Enter signal number NUMBER into the tables with ABBREV and NAME. */
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static void
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init_sig (int number, const char *abbrev, const char *name)
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{
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/* If this value is ever greater than NSIG it seems like it'd be a bug in
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the system headers, but... better safe than sorry. We know, for
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example, that this isn't always true on VMS. */
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if (number >= 0 && number < NSIG)
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sys_siglist[number] = name;
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if (sig_table_nelts < SIG_TABLE_SIZE)
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{
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sig_table[sig_table_nelts].number = number;
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sig_table[sig_table_nelts++].abbrev = abbrev;
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}
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}
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static int
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signame_init (void)
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{
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int i;
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undoc = xstrdup (_("unknown signal"));
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/* Initialize signal names. */
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for (i = 0; i < NSIG; i++)
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sys_siglist[i] = undoc;
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/* Initialize signal names. */
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#if defined (SIGHUP)
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init_sig (SIGHUP, "HUP", _("Hangup"));
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#endif
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#if defined (SIGINT)
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init_sig (SIGINT, "INT", _("Interrupt"));
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#endif
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#if defined (SIGQUIT)
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init_sig (SIGQUIT, "QUIT", _("Quit"));
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#endif
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#if defined (SIGILL)
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init_sig (SIGILL, "ILL", _("Illegal Instruction"));
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#endif
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#if defined (SIGTRAP)
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init_sig (SIGTRAP, "TRAP", _("Trace/breakpoint trap"));
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#endif
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/* If SIGIOT == SIGABRT, we want to print it as SIGABRT because
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SIGABRT is in ANSI and POSIX.1 and SIGIOT isn't. */
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#if defined (SIGABRT)
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init_sig (SIGABRT, "ABRT", _("Aborted"));
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#endif
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#if defined (SIGIOT)
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init_sig (SIGIOT, "IOT", _("IOT trap"));
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#endif
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#if defined (SIGEMT)
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init_sig (SIGEMT, "EMT", _("EMT trap"));
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#endif
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#if defined (SIGFPE)
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init_sig (SIGFPE, "FPE", _("Floating point exception"));
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#endif
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#if defined (SIGKILL)
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init_sig (SIGKILL, "KILL", _("Killed"));
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#endif
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#if defined (SIGBUS)
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init_sig (SIGBUS, "BUS", _("Bus error"));
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#endif
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#if defined (SIGSEGV)
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init_sig (SIGSEGV, "SEGV", _("Segmentation fault"));
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#endif
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#if defined (SIGSYS)
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init_sig (SIGSYS, "SYS", _("Bad system call"));
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#endif
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#if defined (SIGPIPE)
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init_sig (SIGPIPE, "PIPE", _("Broken pipe"));
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#endif
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#if defined (SIGALRM)
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init_sig (SIGALRM, "ALRM", _("Alarm clock"));
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#endif
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#if defined (SIGTERM)
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init_sig (SIGTERM, "TERM", _("Terminated"));
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#endif
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#if defined (SIGUSR1)
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init_sig (SIGUSR1, "USR1", _("User defined signal 1"));
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#endif
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#if defined (SIGUSR2)
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init_sig (SIGUSR2, "USR2", _("User defined signal 2"));
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#endif
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/* If SIGCLD == SIGCHLD, we want to print it as SIGCHLD because that
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is what is in POSIX.1. */
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#if defined (SIGCHLD)
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init_sig (SIGCHLD, "CHLD", _("Child exited"));
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#endif
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#if defined (SIGCLD)
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init_sig (SIGCLD, "CLD", _("Child exited"));
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#endif
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#if defined (SIGPWR)
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init_sig (SIGPWR, "PWR", _("Power failure"));
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#endif
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#if defined (SIGTSTP)
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init_sig (SIGTSTP, "TSTP", _("Stopped"));
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#endif
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#if defined (SIGTTIN)
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init_sig (SIGTTIN, "TTIN", _("Stopped (tty input)"));
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#endif
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#if defined (SIGTTOU)
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init_sig (SIGTTOU, "TTOU", _("Stopped (tty output)"));
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#endif
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#if defined (SIGSTOP)
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init_sig (SIGSTOP, "STOP", _("Stopped (signal)"));
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#endif
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#if defined (SIGXCPU)
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init_sig (SIGXCPU, "XCPU", _("CPU time limit exceeded"));
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#endif
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#if defined (SIGXFSZ)
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init_sig (SIGXFSZ, "XFSZ", _("File size limit exceeded"));
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#endif
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#if defined (SIGVTALRM)
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init_sig (SIGVTALRM, "VTALRM", _("Virtual timer expired"));
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#endif
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#if defined (SIGPROF)
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init_sig (SIGPROF, "PROF", _("Profiling timer expired"));
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#endif
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#if defined (SIGWINCH)
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/* "Window size changed" might be more accurate, but even if that
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is all that it means now, perhaps in the future it will be
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extended to cover other kinds of window changes. */
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init_sig (SIGWINCH, "WINCH", _("Window changed"));
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#endif
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#if defined (SIGCONT)
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init_sig (SIGCONT, "CONT", _("Continued"));
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#endif
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#if defined (SIGURG)
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init_sig (SIGURG, "URG", _("Urgent I/O condition"));
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#endif
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#if defined (SIGIO)
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/* "I/O pending" has also been suggested. A disadvantage is that signal
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only happens when the process has asked for it, not every time I/O is
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pending. Another disadvantage is the confusion from giving it a
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different name than under Unix. */
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init_sig (SIGIO, "IO", _("I/O possible"));
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#endif
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#if defined (SIGWIND)
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init_sig (SIGWIND, "WIND", _("SIGWIND"));
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#endif
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#if defined (SIGPHONE)
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init_sig (SIGPHONE, "PHONE", _("SIGPHONE"));
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#endif
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#if defined (SIGPOLL)
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init_sig (SIGPOLL, "POLL", _("I/O possible"));
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#endif
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#if defined (SIGLOST)
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init_sig (SIGLOST, "LOST", _("Resource lost"));
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#endif
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#if defined (SIGDANGER)
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init_sig (SIGDANGER, "DANGER", _("Danger signal"));
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#endif
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#if defined (SIGINFO)
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init_sig (SIGINFO, "INFO", _("Information request"));
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#endif
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#if defined (SIGNOFP)
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init_sig (SIGNOFP, "NOFP", _("Floating point co-processor not available"));
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#endif
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return 1;
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}
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#endif /* HAVE_DECL_SYS_SIGLIST */
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char *
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strsignal (int sig)
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{
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static char buf[] = "Signal 12345678901234567890";
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#if ! HAVE_DECL_SYS_SIGLIST
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# if HAVE_DECL__SYS_SIGLIST
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# define sys_siglist _sys_siglist
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# elif HAVE_DECL___SYS_SIGLIST
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# define sys_siglist __sys_siglist
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# else
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static int sig_initted = 0;
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if (!sig_initted)
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sig_initted = signame_init ();
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# endif
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#endif
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if (sig > 0 && sig < NSIG)
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return (char *) sys_siglist[sig];
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sprintf (buf, "Signal %d", sig);
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return buf;
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}
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#endif /* HAVE_STRSIGNAL */
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