pjs/nsprpub/pr/tests/stat.c

117 строки
3.0 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
/*
* 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);
}
void 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();
}