| 1 | /* Return time used so far, in microseconds.
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| 2 | Copyright (C) 1994, 1999, 2002 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is part of the libiberty library.
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| 5 | Libiberty is free software; you can redistribute it and/or
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| 6 | modify it under the terms of the GNU Library General Public
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| 7 | License as published by the Free Software Foundation; either
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| 8 | version 2 of the License, or (at your option) any later version.
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| 9 |
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| 10 | Libiberty is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | Library General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU Library General Public
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| 16 | License along with libiberty; see the file COPYING.LIB. If
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| 17 | not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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| 18 | Boston, MA 02111-1307, USA. */
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| 19 |
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| 20 | #include "config.h"
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| 21 |
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| 22 | #include "ansidecl.h"
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| 23 | #include "libiberty.h"
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| 24 |
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| 25 | /* On some systems (such as WindISS), you must include <sys/types.h>
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| 26 | to get the definition of "time_t" before you include <time.h>. */
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| 27 | #include <sys/types.h>
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| 28 |
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| 29 | /* There are several ways to get elapsed execution time; unfortunately no
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| 30 | single way is available for all host systems, nor are there reliable
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| 31 | ways to find out which way is correct for a given host. */
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| 32 |
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| 33 | #ifdef TIME_WITH_SYS_TIME
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| 34 | # include <sys/time.h>
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| 35 | # include <time.h>
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| 36 | #else
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| 37 | # if HAVE_SYS_TIME_H
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| 38 | # include <sys/time.h>
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| 39 | # else
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| 40 | # ifdef HAVE_TIME_H
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| 41 | # include <time.h>
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| 42 | # endif
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| 43 | # endif
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| 44 | #endif
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| 45 |
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| 46 | #if defined (HAVE_GETRUSAGE) && defined (HAVE_SYS_RESOURCE_H)
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| 47 | #include <sys/resource.h>
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| 48 | #endif
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| 49 |
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| 50 | #ifdef HAVE_TIMES
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| 51 | #ifdef HAVE_SYS_PARAM_H
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| 52 | #include <sys/param.h>
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