1 files changed, 254 insertions, 0 deletions
diff --git a/src/kmk/signame.c b/src/kmk/signame.c
new file mode 100644
index 0000000..55646e9
--- /dev/null
+++ b/src/kmk/signame.c
@@ -0,0 +1,254 @@
+/* Convert between signal names and numbers.
+Copyright (C) 1990-2016 Free Software Foundation, Inc.
+This file is part of GNU Make.
+
+GNU Make 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 3 of the License, or (at your option) any later
+version.
+
+GNU Make 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
+this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include "makeint.h"
+
+/* If the system provides strsignal, we don't need it. */
+
+#if !HAVE_STRSIGNAL
+
+/* If the system provides sys_siglist, we'll use that.
+   Otherwise create our own.
+ */
+
+#if !HAVE_DECL_SYS_SIGLIST
+
+/* Some systems do not define NSIG in <signal.h>.  */
+#ifndef NSIG
+#ifdef  _NSIG
+#define NSIG    _NSIG
+#else
+#define NSIG    32
+#endif
+#endif
+
+/* There is too much variation in Sys V signal numbers and names, so
+   we must initialize them at runtime.  */
+
+static const char *undoc;
+
+static const char *sys_siglist[NSIG];
+
+/* Table of abbreviations for signals.  Note:  A given number can
+   appear more than once with different abbreviations.  */
+#define SIG_TABLE_SIZE  (NSIG*2)
+
+typedef struct
+  {
+    int number;
+    const char *abbrev;
+  } num_abbrev;
+
+static num_abbrev sig_table[SIG_TABLE_SIZE];
+
+/* Number of elements of sig_table used.  */
+static int sig_table_nelts = 0;
+
+/* Enter signal number NUMBER into the tables with ABBREV and NAME.  */
+
+static void
+init_sig (int number, const char *abbrev, const char *name)
+{
+  /* If this value is ever greater than NSIG it seems like it'd be a bug in
+     the system headers, but... better safe than sorry.  We know, for
+     example, that this isn't always true on VMS.  */
+
+  if (number >= 0 && number < NSIG)
+    sys_siglist[number] = name;
+
+  if (sig_table_nelts < SIG_TABLE_SIZE)
+    {
+      sig_table[sig_table_nelts].number = number;
+      sig_table[sig_table_nelts++].abbrev = abbrev;
+    }
+}
+
+static int
+signame_init (void)
+{
+  int i;
+
+  undoc = xstrdup (_("unknown signal"));
+
+  /* Initialize signal names.  */
+  for (i = 0; i < NSIG; i++)
+    sys_siglist[i] = undoc;
+
+  /* Initialize signal names.  */
+#if defined (SIGHUP)
+  init_sig (SIGHUP, "HUP", _("Hangup"));
+#endif
+#if defined (SIGINT)
+  init_sig (SIGINT, "INT", _("Interrupt"));
+#endif
+#if defined (SIGQUIT)
+  init_sig (SIGQUIT, "QUIT", _("Quit"));
+#endif
+#if defined (SIGILL)
+  init_sig (SIGILL, "ILL", _("Illegal Instruction"));
+#endif
+#if defined (SIGTRAP)
+  init_sig (SIGTRAP, "TRAP", _("Trace/breakpoint trap"));
+#endif
+  /* If SIGIOT == SIGABRT, we want to print it as SIGABRT because
+     SIGABRT is in ANSI and POSIX.1 and SIGIOT isn't.  */
+#if defined (SIGABRT)
+  init_sig (SIGABRT, "ABRT", _("Aborted"));
+#endif
+#if defined (SIGIOT)
+  init_sig (SIGIOT, "IOT", _("IOT trap"));
+#endif
+#if defined (SIGEMT)
+  init_sig (SIGEMT, "EMT", _("EMT trap"));
+#endif
+#if defined (SIGFPE)
+  init_sig (SIGFPE, "FPE", _("Floating point exception"));
+#endif
+#if defined (SIGKILL)
+  init_sig (SIGKILL, "KILL", _("Killed"));
+#endif
+#if defined (SIGBUS)
+  init_sig (SIGBUS, "BUS", _("Bus error"));
+#endif
+#if defined (SIGSEGV)
+  init_sig (SIGSEGV, "SEGV", _("Segmentation fault"));
+#endif
+#if defined (SIGSYS)
+  init_sig (SIGSYS, "SYS", _("Bad system call"));
+#endif
+#if defined (SIGPIPE)
+  init_sig (SIGPIPE, "PIPE", _("Broken pipe"));
+#endif
+#if defined (SIGALRM)
+  init_sig (SIGALRM, "ALRM", _("Alarm clock"));
+#endif
+#if defined (SIGTERM)
+  init_sig (SIGTERM, "TERM", _("Terminated"));
+#endif
+#if defined (SIGUSR1)
+  init_sig (SIGUSR1, "USR1", _("User defined signal 1"));
+#endif
+#if defined (SIGUSR2)
+  init_sig (SIGUSR2, "USR2", _("User defined signal 2"));
+#endif
+  /* If SIGCLD == SIGCHLD, we want to print it as SIGCHLD because that
+     is what is in POSIX.1.  */
+#if defined (SIGCHLD)
+  init_sig (SIGCHLD, "CHLD", _("Child exited"));
+#endif
+#if defined (SIGCLD)
+  init_sig (SIGCLD, "CLD", _("Child exited"));
+#endif
+#if defined (SIGPWR)
+  init_sig (SIGPWR, "PWR", _("Power failure"));
+#endif
+#if defined (SIGTSTP)
+  init_sig (SIGTSTP, "TSTP", _("Stopped"));
+#endif
+#if defined (SIGTTIN)
+  init_sig (SIGTTIN, "TTIN", _("Stopped (tty input)"));
+#endif
+#if defined (SIGTTOU)
+  init_sig (SIGTTOU, "TTOU", _("Stopped (tty output)"));
+#endif
+#if defined (SIGSTOP)
+  init_sig (SIGSTOP, "STOP", _("Stopped (signal)"));
+#endif
+#if defined (SIGXCPU)
+  init_sig (SIGXCPU, "XCPU", _("CPU time limit exceeded"));
+#endif
+#if defined (SIGXFSZ)
+  init_sig (SIGXFSZ, "XFSZ", _("File size limit exceeded"));
+#endif
+#if defined (SIGVTALRM)
+  init_sig (SIGVTALRM, "VTALRM", _("Virtual timer expired"));
+#endif
+#if defined (SIGPROF)
+  init_sig (SIGPROF, "PROF", _("Profiling timer expired"));
+#endif
+#if defined (SIGWINCH)
+  /* "Window size changed" might be more accurate, but even if that
+     is all that it means now, perhaps in the future it will be
+     extended to cover other kinds of window changes.  */
+  init_sig (SIGWINCH, "WINCH", _("Window changed"));
+#endif
+#if defined (SIGCONT)
+  init_sig (SIGCONT, "CONT", _("Continued"));
+#endif
+#if defined (SIGURG)
+  init_sig (SIGURG, "URG", _("Urgent I/O condition"));
+#endif
+#if defined (SIGIO)
+  /* "I/O pending" has also been suggested.  A disadvantage is that signal
+     only happens when the process has asked for it, not every time I/O is
+     pending.  Another disadvantage is the confusion from giving it a
+     different name than under Unix.  */
+  init_sig (SIGIO, "IO", _("I/O possible"));
+#endif
+#if defined (SIGWIND)
+  init_sig (SIGWIND, "WIND", _("SIGWIND"));
+#endif
+#if defined (SIGPHONE)
+  init_sig (SIGPHONE, "PHONE", _("SIGPHONE"));
+#endif
+#if defined (SIGPOLL)
+  init_sig (SIGPOLL, "POLL", _("I/O possible"));
+#endif
+#if defined (SIGLOST)
+  init_sig (SIGLOST, "LOST", _("Resource lost"));
+#endif
+#if defined (SIGDANGER)
+  init_sig (SIGDANGER, "DANGER", _("Danger signal"));
+#endif
+#if defined (SIGINFO)
+  init_sig (SIGINFO, "INFO", _("Information request"));
+#endif
+#if defined (SIGNOFP)
+  init_sig (SIGNOFP, "NOFP", _("Floating point co-processor not available"));
+#endif
+
+  return 1;
+}
+
+#endif  /* HAVE_DECL_SYS_SIGLIST */
+
+
+char *
+strsignal (int sig)
+{
+  static char buf[] = "Signal 12345678901234567890";
+
+#if ! HAVE_DECL_SYS_SIGLIST
+# if HAVE_DECL__SYS_SIGLIST
+#  define sys_siglist _sys_siglist
+# elif HAVE_DECL___SYS_SIGLIST
+#  define sys_siglist __sys_siglist
+# else
+  static char sig_initted = 0;
+
+  if (!sig_initted)
+    sig_initted = signame_init ();
+# endif
+#endif
+
+  if (sig > 0 && sig < NSIG)
+    return (char *) sys_siglist[sig];
+
+  sprintf (buf, "Signal %d", sig);
+  return buf;
+}
+
+#endif  /* HAVE_STRSIGNAL */