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DEFINITIONS

1. main

   1 /*-
   2  * Copyright (c) 2009, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 /*
  31  * creat.c - file creation test.
  32  */
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  37 #include <fcntl.h>
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <unistd.h>
  41 #include <err.h>
  42 #include <errno.h>
  44 #define FILE_NUM 100
  46 static char path[128];
  48 int
main(int argc, char *argv[])
  50 {
  51         int fd, i;
  52         char file[128];
pid_t pid = getpid();
sprintf(path, "t%05d", pid);
  56         if (mkdir(path, 0770) < 0)
err(1, "mkdir(%s)", path);
  58         if (chdir(path) == -1)
err(1, "chdir(%s)", path);
  61         for (i = 0; i < FILE_NUM; i++) {
sprintf(file, "p%05d.%03d", pid, i);
  63                 if ((fd = creat(file, 0660)) == -1) {
  64                         if (errno != EINTR) {
warn("creat(%s)", file);
  66                                 break;
  67                         }
  68                 }
  69                 if (fd != -1 && close(fd) == -1)
err(2, "close(%d)", i);
  71         }
  73         for (i--; i >= 0; i--) {
sprintf(file, "p%05d.%03d", pid, i);
  75                 if (unlink(file) == -1)
err(3, "unlink(%s)", file);
  77         }
  79         return (0);
  80 }