d3bb4185d0
fully registered. (This is the second try, the first import ignored .info files but not .info-* files, for some reason. I'm going to make this consistent.) Reviewed by: core Approved for: 2.2
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/* ANSI-compatible clock function.
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Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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This file is part of the libiberty library. This library is free
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software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option)
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any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does not cause
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the resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#ifdef HAVE_GETRUSAGE
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#include <sys/time.h>
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#include <sys/resource.h>
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#endif
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#ifdef HAVE_TIMES
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#ifndef NO_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#include <sys/times.h>
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#endif
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/* FIXME: should be able to declare as clock_t. */
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long
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clock ()
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{
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#ifdef HAVE_GETRUSAGE
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struct rusage rusage;
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getrusage (0, &rusage);
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return (rusage.ru_utime.tv_sec * 1000000 + rusage.ru_utime.tv_usec
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+ rusage.ru_stime.tv_sec * 1000000 + rusage.ru_stime.tv_usec);
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#else
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#ifdef HAVE_TIMES
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struct tms tms;
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times (&tms);
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return (tms.tms_utime + tms.tms_stime) * (1000000 / HZ);
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#else
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#ifdef VMS
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struct
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{
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int proc_user_time;
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int proc_system_time;
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int child_user_time;
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int child_system_time;
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} vms_times;
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times (&vms_times);
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return (vms_times.proc_user_time + vms_times.proc_system_time) * 10000;
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#else
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/* A fallback, if nothing else available. */
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return 0;
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#endif /* VMS */
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#endif /* HAVE_TIMES */
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#endif /* HAVE_GETRUSAGE */
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}
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