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69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/*
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* have_rusage - Determine if we have getrusage()
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*
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* Copyright (C) 1999,2021 Landon Curt Noll
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*
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* Calc is open software; you can redistribute it and/or modify it under
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* the terms of the version 2.1 of the GNU Lesser General Public License
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* as published by the Free Software Foundation.
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*
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* Calc is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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* Public License for more details.
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*
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* A copy of version 2.1 of the GNU Lesser General Public License is
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* distributed with calc under the filename COPYING-LGPL. You should have
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* received a copy with calc; if not, write to Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Under source code control: 1999/11/05 11:28:15
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* File existed as early as: 1999
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*
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* chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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*/
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/*
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* usage:
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* have_rusage
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*
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* Not all systems have the getrusage() function, so this may not
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* compile on your system.
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*
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* This prog outputs several defines:
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*
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* HAVE_GETRUSAGE
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* defined ==> use getrusage()
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* undefined ==> do not call or cannot call getrusage()
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*/
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#include <stdio.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include "banned.h" /* include after system header <> includes */
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int
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main(void)
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{
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#if defined(HAVE_NO_GETRUSAGE)
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printf("#undef HAVE_GETRUSAGE /* no */\n");
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#else /* HAVE_NO_GETRUSAGE */
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struct rusage rusage; /* resource utilization */
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(void) getrusage(RUSAGE_SELF, &rusage);
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printf("#define HAVE_GETRUSAGE /* yes */\n");
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#endif /* HAVE_NO_GETRUSAGE */
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/* exit(0); */
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return 0;
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}
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