-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
*/
/* for O_DIRECT */
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include<stdio.h>
#include<errno.h>
int main(int argc, char **argv)
{
- char *file;
- unsigned char buf[BUFFERSIZE];
- int fd, i, rc;
+ char *file;
+ unsigned char buf[BUFFERSIZE];
+ int fd, i, rc;
unsigned int test_time;
- mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH;
- if (argc != 3) {
- printf("Invalid number of arguments.\n");
- printf("Usage %s <file> <test_time_in_seconds>\n", argv[0]);
- return -1;
- }
+ mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH;
+
+ if (argc != 3) {
+ printf("Invalid number of arguments.\n");
+ printf("Usage %s <file> <test_time_in_seconds>\n", argv[0]);
+ return -1;
+ }
- file = argv[1];
- test_time = atoi(argv[2]);
+ file = argv[1];
+ test_time = atoi(argv[2]);
/* Establish a handler for SIGALRM signals. */
signal(SIGALRM, catch_alarm);
- /* Set an alarm to go off in a little while. */
- alarm(test_time);
+ /* Set an alarm to go off in a little while. */
+ alarm(test_time);
- fd = open(file, O_RDWR|O_TRUNC|O_CREAT|O_SYNC|O_LARGEFILE, mode);
- if (fd < 0) {
- fprintf(stderr, "Error: Cannot open file named ");
- perror(file);
- return -1;
- }
+ fd = open(file, O_RDWR | O_TRUNC | O_CREAT | O_SYNC | O_LARGEFILE,
+ mode);
+ if (fd < 0) {
+ fprintf(stderr, "Error: Cannot open file named ");
+ perror(file);
+ return -1;
+ }
- memset(buf, 1, BUFFERSIZE);
+ memset(buf, 1, BUFFERSIZE);
while (keep_going) {
- for (i = 0; i < 1024; i++) {
- rc = write(fd, buf, BUFFERSIZE);
+ for (i = 0; i < 1024; i++) {
+ rc = write(fd, buf, BUFFERSIZE);
if (rc < 0) {
- fprintf(stderr, "Error: Write error ");
- perror(file);
+ fprintf(stderr, "Error: Write error ");
+ perror(file);
exit(-1);
- } else if (rc != BUFFERSIZE) {
- fprintf(stderr, "Error: Ddidn't write all data \n");
+ } else if (rc != BUFFERSIZE) {
+ fprintf(stderr,
+ "Error: Ddidn't write all data\n");
}
- }
+ }
- if (ftruncate(fd, 0) < 0) {
- fprintf(stderr, "Error: Truncate error ");
- perror(file);
+ if (ftruncate(fd, 0) < 0) {
+ fprintf(stderr, "Error: Truncate error ");
+ perror(file);
exit(-1);
- }
- }
+ }
+ }
- if (close(fd) < 0) {
- fprintf(stderr, "Error: Cannot close ");
- perror(file);
- return -1;
- }
+ if (close(fd) < 0) {
+ fprintf(stderr, "Error: Cannot close ");
+ perror(file);
+ return -1;
+ }
- return 0;
+ return 0;
}