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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* Program to test different ways to get file info; right now it
* only works for solaris and OS/2.
*
*/
#include "nspr.h"
#include "prpriv.h"
#include "prinrval.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef XP_OS2
#include <io.h>
#include <sys/types.h>
#include <sys/stat.h>
#endif
#define DEFAULT_COUNT 100000
PRInt32 count;
#ifndef XP_PC
char *filename = "/etc/passwd";
#else
char *filename = "..\\stat.c";
#endif
static void statPRStat(void)
{
PRFileInfo finfo;
PRInt32 index = count;
for (;index--;) {
PR_GetFileInfo(filename, &finfo);
}
}
static void statStat(void)
{
struct stat finfo;
PRInt32 index = count;
for (;index--;) {
stat(filename, &finfo);
}
}
/************************************************************************/
static void Measure(void (*func)(void), const char *msg)
{
PRIntervalTime start, stop;
double d;
PRInt32 tot;
start = PR_IntervalNow();
(*func)();
stop = PR_IntervalNow();
d = (double)PR_IntervalToMicroseconds(stop - start);
tot = PR_IntervalToMilliseconds(stop-start);
printf("%40s: %6.2f usec avg, %d msec total\n", msg, d / count, tot);
}
int main(int argc, char **argv)
{
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
PR_STDIO_INIT();
if (argc > 1) {
count = atoi(argv[1]);
} else {
count = DEFAULT_COUNT;
}
Measure(statPRStat, "time to call PR_GetFileInfo()");
Measure(statStat, "time to call stat()");
PR_Cleanup();
}
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