projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| f77b6ca3 FXC |
1 | /* Implementation of the SLEEP intrinsic. |
| 2 | Copyright (C) 2005 Free Software Foundation, Inc. | |
| 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 | |
| 10 | version 2 of the License, or (at your option) any later version. | |
| 11 | ||
| 12 | In addition to the permissions in the GNU General Public License, the | |
| 13 | Free Software Foundation gives you unlimited permission to link the | |
| 14 | compiled version of this file into combinations with other programs, | |
| 15 | and to distribute those combinations without any restriction coming | |
| 16 | from the use of this file. (The General Public License restrictions | |
| 17 | do apply in other respects; for example, they cover modification of | |
| 18 | the file, and distribution when not linked into a combine | |
| 19 | executable.) | |
| 20 | ||
| 21 | Libgfortran is distributed in the hope that it will be useful, | |
| 22 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 24 | GNU General Public License for more details. | |
| 25 | ||
| 26 | You should have received a copy of the GNU General Public | |
| 27 | License along with libgfortran; see the file COPYING. If not, | |
| 28 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 29 | Boston, MA 02111-1307, USA. */ | |
| 30 | ||
| 31 | #include "config.h" | |
| 32 | #include "libgfortran.h" | |
| 33 | ||
| 34 | #include <errno.h> | |
| 35 | ||
| 36 | #include "../io/io.h" | |
| 37 | ||
| 38 | #ifdef HAVE_UNISTD_H | |
| 39 | #include <unistd.h> | |
| 40 | #endif | |
| 41 | ||
| 42 | /* SUBROUTINE SLEEP(SECONDS) | |
| 43 | INTEGER, INTENT(IN) :: SECONDS | |
| 44 | ||
| 45 | A choice had to be made if SECONDS is negative. For g77, this is | |
| 46 | equivalent to SLEEP(0). */ | |
| 47 | ||
| 48 | #ifdef HAVE_SLEEP | |
| 49 | extern void sleep_i4_sub (GFC_INTEGER_4 *); | |
| 50 | iexport_proto(sleep_i4_sub); | |
| 51 | ||
| 52 | void | |
| 53 | sleep_i4_sub (GFC_INTEGER_4 *seconds) | |
| 54 | { | |
| 55 | sleep (*seconds < 0 ? 0 : (unsigned int) *seconds); | |
| 56 | } | |
| 57 | iexport(sleep_i4_sub); | |
| 58 | ||
| 59 | extern void sleep_i8_sub (GFC_INTEGER_8 *); | |
| 60 | iexport_proto(sleep_i8_sub); | |
| 61 | ||
| 62 | void | |
| 63 | sleep_i8_sub (GFC_INTEGER_8 *seconds) | |
| 64 | { | |
| 65 | sleep (*seconds < 0 ? 0 : (unsigned int) *seconds); | |
| 66 | } | |
| 67 | iexport(sleep_i8_sub); | |
| 68 | #endif |