Colony » Colony Scout

/*-

 * Copyright (c) 2009, Kohsuke Ohtani

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the author nor the names of any co-contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 */

/*

 * creat.c - file creation test.

 */

#include <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <err.h>

#include <errno.h>

#define FILE_NUM 100

static char path[128];

int

main(int argc, char *argv[])

{

        int fd, i;

        char file[128];

        pid_t pid = getpid();

        sprintf(path, "t%05d", pid);

        if (mkdir(path, 0770) < 0)

                err(1, "mkdir(%s)", path);

        if (chdir(path) == -1)

                err(1, "chdir(%s)", path);

        for (i = 0; i < FILE_NUM; i++) {

                sprintf(file, "p%05d.%03d", pid, i);

                if ((fd = creat(file, 0660)) == -1) {

                        if (errno != EINTR) {

                                warn("creat(%s)", file);

                                break;

                        }

                }

                if (fd != -1 && close(fd) == -1)

                        err(2, "close(%d)", i);

        }

        for (i--; i >= 0; i--) {

                sprintf(file, "p%05d.%03d", pid, i);

                if (unlink(file) == -1)

                        err(3, "unlink(%s)", file);

        }

        return (0);

}