flock.c

/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
 * vim:expandtab:shiftwidth=8:tabstop=8:
 *
 * Lustre Light user test program
 *
 *  Copyright (c) 2002, 2003 Cluster File Systems, Inc.
 *
 *   This file is part of Lustre, http://www.lustre.org.
 *
 *   Lustre is free software; you can redistribute it and/or
 *   modify it under the terms of version 2 of the GNU General Public
 *   License as published by the Free Software Foundation.
 *
 *   Lustre 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 for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with Lustre; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#define _BSD_SOURCE

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <getopt.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/queue.h>
#include <signal.h>
#include <errno.h>
#include <dirent.h>
#include <sys/uio.h>
#include <sys/time.h>
#include <stdarg.h>

static char lustre_path[] = "/mnt/lustre";

#define ENTRY(str)                                                      \
        do {                                                            \
                char buf[100];                                          \
                int len;                                                \
                sprintf(buf, "===== START %s: %s ", __FUNCTION__, (str)); \
                len = strlen(buf);                                      \
                if (len < 79) {                                         \
                        memset(buf+len, '=', 100-len);                  \
                        buf[79] = '\n';                                 \
                        buf[80] = 0;                                    \
                }                                                       \
                printf("%s", buf);                                      \
        } while (0)

#define LEAVE()                                                         \
        do {                                                            \
                char buf[100];                                          \
                int len;                                                \
                sprintf(buf, "===== END TEST %s: successfully ",        \
                        __FUNCTION__);                                  \
                len = strlen(buf);                                      \
                if (len < 79) {                                         \
                        memset(buf+len, '=', 100-len);                  \
                        buf[79] = '\n';                                 \
                        buf[80] = 0;                                    \
                }                                                       \
                printf("%s", buf);                                      \