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Diffstat (limited to 'contrib/libf2c/libU77/alarm_.c')
-rw-r--r-- | contrib/libf2c/libU77/alarm_.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/contrib/libf2c/libU77/alarm_.c b/contrib/libf2c/libU77/alarm_.c new file mode 100644 index 0000000..d2c9382 --- /dev/null +++ b/contrib/libf2c/libU77/alarm_.c @@ -0,0 +1,57 @@ +/* Copyright (C) 1997, 2001 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... */ +#define RETSIGTYPE void +#endif +typedef RETSIGTYPE (*sig_type) (); + +#include <signal.h> +typedef int (*sig_proc) (int); + +#ifndef SIG_ERR +#define SIG_ERR ((sig_type) -1) +#endif + +integer +G77_alarm_0 (integer * seconds, sig_proc proc) +{ + 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; +} |