1/* Implementation of the SLEEP intrinsic. 2 Copyright (C) 2005-2022 Free Software Foundation, Inc. 3 Contributed by Fran��ois-Xavier Coudert <coudert@clipper.ens.fr> 4 5This file is part of the GNU Fortran 95 runtime library (libgfortran). 6 7Libgfortran is free software; you can redistribute it and/or 8modify it under the terms of the GNU General Public 9License as published by the Free Software Foundation; either 10version 3 of the License, or (at your option) any later version. 11 12Libgfortran is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17Under Section 7 of GPL version 3, you are granted additional 18permissions described in the GCC Runtime Library Exception, version 193.1, as published by the Free Software Foundation. 20 21You should have received a copy of the GNU General Public License and 22a copy of the GCC Runtime Library Exception along with this program; 23see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24<http://www.gnu.org/licenses/>. */ 25 26#include "libgfortran.h" 27 28#ifdef HAVE_UNISTD_H 29#include <unistd.h> 30#endif 31 32#ifdef __MINGW32__ 33# include <windows.h> 34# undef sleep 35# define sleep(x) Sleep(1000*(x)) 36# define HAVE_SLEEP 1 37#endif 38 39/* SUBROUTINE SLEEP(SECONDS) 40 INTEGER, INTENT(IN) :: SECONDS 41 42 A choice had to be made if SECONDS is negative. For g77, this is 43 equivalent to SLEEP(0). */ 44 45#ifdef HAVE_SLEEP 46extern void sleep_i4_sub (GFC_INTEGER_4 *); 47iexport_proto(sleep_i4_sub); 48 49void 50sleep_i4_sub (GFC_INTEGER_4 *seconds) 51{ 52 sleep (*seconds < 0 ? 0 : (unsigned int) *seconds); 53} 54iexport(sleep_i4_sub); 55 56extern void sleep_i8_sub (GFC_INTEGER_8 *); 57iexport_proto(sleep_i8_sub); 58 59void 60sleep_i8_sub (GFC_INTEGER_8 *seconds) 61{ 62 sleep (*seconds < 0 ? 0 : (unsigned int) *seconds); 63} 64iexport(sleep_i8_sub); 65#endif 66