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f77b6ca3 | 1 | /* Implementation of the SLEEP intrinsic. |
8d9254fc | 2 | Copyright (C) 2005-2020 Free Software Foundation, Inc. |
f77b6ca3 FXC |
3 | Contributed by François-Xavier Coudert <coudert@clipper.ens.fr> |
4 | ||
5 | This file is part of the GNU Fortran 95 runtime library (libgfortran). | |
6 | ||
7 | Libgfortran is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU General Public | |
9 | License as published by the Free Software Foundation; either | |
748086b7 | 10 | version 3 of the License, or (at your option) any later version. |
f77b6ca3 FXC |
11 | |
12 | Libgfortran is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
748086b7 JJ |
17 | Under Section 7 of GPL version 3, you are granted additional |
18 | permissions described in the GCC Runtime Library Exception, version | |
19 | 3.1, as published by the Free Software Foundation. | |
20 | ||
21 | You should have received a copy of the GNU General Public License and | |
22 | a copy of the GCC Runtime Library Exception along with this program; | |
23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
24 | <http://www.gnu.org/licenses/>. */ | |
f77b6ca3 | 25 | |
f77b6ca3 FXC |
26 | #include "libgfortran.h" |
27 | ||
f77b6ca3 FXC |
28 | #ifdef HAVE_UNISTD_H |
29 | #include <unistd.h> | |
30 | #endif | |
31 | ||
26b7ebf6 FXC |
32 | #ifdef __MINGW32__ |
33 | # include <windows.h> | |
34 | # undef sleep | |
35 | # define sleep(x) Sleep(1000*(x)) | |
2cdc88b6 | 36 | # define HAVE_SLEEP 1 |
26b7ebf6 FXC |
37 | #endif |
38 | ||
f77b6ca3 FXC |
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 | |
46 | extern void sleep_i4_sub (GFC_INTEGER_4 *); | |
47 | iexport_proto(sleep_i4_sub); | |
48 | ||
49 | void | |
50 | sleep_i4_sub (GFC_INTEGER_4 *seconds) | |
51 | { | |
52 | sleep (*seconds < 0 ? 0 : (unsigned int) *seconds); | |
53 | } | |
54 | iexport(sleep_i4_sub); | |
55 | ||
56 | extern void sleep_i8_sub (GFC_INTEGER_8 *); | |
57 | iexport_proto(sleep_i8_sub); | |
58 | ||
59 | void | |
60 | sleep_i8_sub (GFC_INTEGER_8 *seconds) | |
61 | { | |
62 | sleep (*seconds < 0 ? 0 : (unsigned int) *seconds); | |
63 | } | |
64 | iexport(sleep_i8_sub); | |
65 | #endif |