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Diffstat (limited to '')
-rw-r--r-- | nsprpub/pr/tests/stat.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/stat.c b/nsprpub/pr/tests/stat.c new file mode 100644 index 0000000000..1f870a0d42 --- /dev/null +++ b/nsprpub/pr/tests/stat.c @@ -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 <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(); +} |