Virgin import of EGCS 1.1.2's libf2c

1 files changed, 64 insertions, 0 deletions

diff --git a/contrib/libf2c/libU77/alarm_.c b/contrib/libf2c/libU77/alarm_.c
new file mode 100644
index 0000000..3e2f293
--- /dev/null
+++ b/contrib/libf2c/libU77/alarm_.c
@@ -0,0 +1,64 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+This file is part of GNU Fortran libU77 library.
+
+This library is free software; you can redistribute it and/or modify it
+under the terms of the GNU Library General Public License as published
+by the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+GNU Fortran 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with GNU Fortran; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if HAVE_UNISTD_H
+#  include <unistd.h>
+#endif
+
+#include <errno.h>		/* for ENOSYS */
+#include "f2c.h"
+
+#ifndef RETSIGTYPE
+/* we shouldn't rely on this... */
+#ifdef KR_headers
+#define RETSIGTYPE int
+#else
+#define RETSIGTYPE void
+#endif
+#endif
+typedef RETSIGTYPE (*sig_type)();
+
+#ifdef KR_headers
+extern sig_type signal();
+
+integer G77_alarm_0 (seconds, proc)
+     integer *seconds;
+     sig_type proc;
+#else
+#include <signal.h>
+typedef int (*sig_proc)(int);
+
+integer G77_alarm_0 (integer *seconds, sig_proc proc)
+#endif
+{
+  int status;
+#if defined (HAVE_ALARM) && defined (SIGALRM)
+  if (signal(SIGALRM, (sig_type)proc) == SIG_ERR)
+    status = -1;
+  else
+    status = alarm (*seconds);
+#else /* ! HAVE_ALARM || ! SIGALRM */
+  errno = ENOSYS;
+  status = -1;
+#endif
+  return status;
+}