зеркало из https://github.com/mozilla/gecko-dev.git
120 строки
3.3 KiB
C
120 строки
3.3 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* Program to test different ways to get file info; right now it
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* only works for solaris and OS/2.
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*
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*/
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#include "nspr.h"
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#include "prpriv.h"
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#include "prinrval.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef XP_OS2
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#include <io.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#endif
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#define DEFAULT_COUNT 100000
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PRInt32 count;
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#ifndef XP_PC
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char *filename = "/etc/passwd";
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#else
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char *filename = "..\\stat.c";
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#endif
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static void statPRStat(void)
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{
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PRFileInfo finfo;
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PRInt32 index = count;
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for (;index--;) {
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PR_GetFileInfo(filename, &finfo);
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}
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}
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static void statStat(void)
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{
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struct stat finfo;
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PRInt32 index = count;
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for (;index--;) {
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stat(filename, &finfo);
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}
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}
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/************************************************************************/
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static void Measure(void (*func)(void), const char *msg)
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{
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PRIntervalTime start, stop;
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double d;
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PRInt32 tot;
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start = PR_IntervalNow();
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(*func)();
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stop = PR_IntervalNow();
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d = (double)PR_IntervalToMicroseconds(stop - start);
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tot = PR_IntervalToMilliseconds(stop-start);
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printf("%40s: %6.2f usec avg, %d msec total\n", msg, d / count, tot);
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}
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void main(int argc, char **argv)
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{
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PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
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PR_STDIO_INIT();
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if (argc > 1) {
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count = atoi(argv[1]);
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} else {
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count = DEFAULT_COUNT;
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}
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Measure(statPRStat, "time to call PR_GetFileInfo()");
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Measure(statStat, "time to call stat()");
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PR_Cleanup();
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}
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