71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/* Copyright (C) 1997, 2001 Free Software Foundation, Inc.
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This file is part of GNU Fortran libU77 library.
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published
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by the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GNU Fortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with GNU Fortran; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <errno.h> /* for ENOSYS */
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#include "f2c.h"
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#ifndef RETSIGTYPE
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/* we shouldn't rely on this... */
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#ifdef KR_headers
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#define RETSIGTYPE int
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#else
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#define RETSIGTYPE void
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#endif
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#endif
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typedef RETSIGTYPE (*sig_type)();
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#ifdef KR_headers
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extern sig_type signal();
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#else
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#include <signal.h>
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typedef int (*sig_proc)(int);
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#endif
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#ifndef SIG_ERR
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#define SIG_ERR ((sig_type) -1)
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#endif
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#ifdef KR_headers
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integer G77_alarm_0 (seconds, proc)
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integer *seconds;
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sig_type proc;
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#else
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integer G77_alarm_0 (integer *seconds, sig_proc proc)
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#endif
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{
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int status;
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#if defined (HAVE_ALARM) && defined (SIGALRM)
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if (signal(SIGALRM, (sig_type)proc) == SIG_ERR)
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status = -1;
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else
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status = alarm (*seconds);
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#else /* ! HAVE_ALARM || ! SIGALRM */
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errno = ENOSYS;
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status = -1;
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#endif
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return status;
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}
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