68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/* Implementation of the SLEEP intrinsic.
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Copyright (C) 2005-2015 Free Software Foundation, Inc.
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Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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Libgfortran 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
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "libgfortran.h"
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef __MINGW32__
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# include <windows.h>
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# undef sleep
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# define sleep(x) Sleep(1000*(x))
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# define HAVE_SLEEP 1
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#endif
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/* SUBROUTINE SLEEP(SECONDS)
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INTEGER, INTENT(IN) :: SECONDS
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A choice had to be made if SECONDS is negative. For g77, this is
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equivalent to SLEEP(0). */
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#ifdef HAVE_SLEEP
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extern void sleep_i4_sub (GFC_INTEGER_4 *);
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iexport_proto(sleep_i4_sub);
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void
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sleep_i4_sub (GFC_INTEGER_4 *seconds)
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{
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sleep (*seconds < 0 ? 0 : (unsigned int) *seconds);
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}
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iexport(sleep_i4_sub);
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extern void sleep_i8_sub (GFC_INTEGER_8 *);
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iexport_proto(sleep_i8_sub);
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void
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sleep_i8_sub (GFC_INTEGER_8 *seconds)
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{
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sleep (*seconds < 0 ? 0 : (unsigned int) *seconds);
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}
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iexport(sleep_i8_sub);
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#endif
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