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