| /* Implementation of the SLEEP intrinsic. |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| Contributed by François-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 2 of the License, or (at your option) any later version. |
| |
| In addition to the permissions in the GNU General Public License, the |
| Free Software Foundation gives you unlimited permission to link the |
| compiled version of this file into combinations with other programs, |
| and to distribute those combinations without any restriction coming |
| from the use of this file. (The General Public License restrictions |
| do apply in other respects; for example, they cover modification of |
| the file, and distribution when not linked into a combine |
| executable.) |
| |
| 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. |
| |
| You should have received a copy of the GNU General Public |
| License along with libgfortran; see the file COPYING. If not, |
| write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #include "config.h" |
| #include "libgfortran.h" |
| |
| #include <errno.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 |