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/* Implementation of the SLEEP intrinsic.
Copyright (C) 2005-2021 Free Software Foundation, Inc.
Contributed by Fran├žois-Xavier Coudert <coudert@clipper.ens.fr>
This file is part of the GNU Fortran 95 runtime library (libgfortran).
Libgfortran 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.
Libgfortran 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "libgfortran.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef __MINGW32__
# include <windows.h>
# undef sleep
# define sleep(x) Sleep(1000*(x))
# define HAVE_SLEEP 1
#endif
/* SUBROUTINE SLEEP(SECONDS)
INTEGER, INTENT(IN) :: SECONDS
A choice had to be made if SECONDS is negative. For g77, this is
equivalent to SLEEP(0). */
#ifdef HAVE_SLEEP
extern void sleep_i4_sub (GFC_INTEGER_4 *);
iexport_proto(sleep_i4_sub);
void
sleep_i4_sub (GFC_INTEGER_4 *seconds)
{
sleep (*seconds < 0 ? 0 : (unsigned int) *seconds);
}
iexport(sleep_i4_sub);
extern void sleep_i8_sub (GFC_INTEGER_8 *);
iexport_proto(sleep_i8_sub);
void
sleep_i8_sub (GFC_INTEGER_8 *seconds)
{
sleep (*seconds < 0 ? 0 : (unsigned int) *seconds);
}
iexport(sleep_i8_sub);
#endif