diff -r 000000000000 -r 6474c204b198 nsprpub/pr/tests/stat.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nsprpub/pr/tests/stat.c Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,87 @@ +/* -*- 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 +#include +#include + +#ifdef XP_OS2 +#include +#include +#include +#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(); +}