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88 lines
1.8 KiB
C
88 lines
1.8 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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int 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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