1 /* Copyright (C) 1997 Free Software Foundation, Inc.
2 This file is part of GNU Fortran libU77 library.
4 This library is free software; you can redistribute it and/or modify it
5 under the terms of the GNU Library General Public License as published
6 by the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 GNU Fortran is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with GNU Fortran; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
27 #include <errno.h> /* for ENOSYS */
31 /* we shouldn't rely on this... */
33 #define RETSIGTYPE int
35 #define RETSIGTYPE void
38 typedef RETSIGTYPE (*sig_type)();
41 extern sig_type signal();
43 integer G77_alarm_0 (seconds, proc)
48 typedef int (*sig_proc)(int);
50 integer G77_alarm_0 (integer *seconds, sig_proc proc)
54 #if defined (HAVE_ALARM) && defined (SIGALRM)
55 if (signal(SIGALRM, (sig_type)proc) == SIG_ERR)
58 status = alarm (*seconds);
59 #else /* ! HAVE_ALARM || ! SIGALRM */