| /* |
| * CDDL HEADER START |
| * |
| * The contents of this file are subject to the terms of the |
| * Common Development and Distribution License (the "License"). |
| * You may not use this file except in compliance with the License. |
| * |
| * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| * or http://www.opensolaris.org/os/licensing. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * |
| * When distributing Covered Code, include this CDDL HEADER in each |
| * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| * If applicable, add the following below this CDDL HEADER, with the |
| * fields enclosed by brackets "[]" replaced with your own identifying |
| * information: Portions Copyright [yyyy] [name of copyright owner] |
| * |
| * CDDL HEADER END |
| */ |
| |
| /* |
| * Copyright 2007 Sun Microsystems, Inc. All rights reserved. |
| * Use is subject to license terms. |
| */ |
| |
| /* |
| * Copyright (c) 2012 by Delphix. All rights reserved. |
| */ |
| |
| /* |
| * Assertion: |
| * Create two directory trees in zfs filesystem, and rename |
| * directory across the directory structure. ZFS can handle |
| * the race situation. |
| */ |
| |
| /* |
| * Need to create the following directory structures before |
| * running this program: |
| * |
| * mkdir -p 1/2/3/4/5 a/b/c/d/e |
| */ |
| |
| |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <stdio.h> |
| #include <strings.h> |
| |
| int |
| main(int argc, char *argvp[]) |
| { |
| int i = 1; |
| |
| switch (fork()) { |
| case -1: |
| perror("fork"); |
| exit(1); |
| break; |
| case 0: |
| while (i > 0) { |
| int c_count = 0; |
| if (rename("a/b/c", "1/2/3/c") == 0) |
| c_count++; |
| if (rename("1/2/3/c", "a/b/c") == 0) |
| c_count++; |
| if (c_count) { |
| (void) fprintf(stderr, "c_count: %d", c_count); |
| } |
| } |
| break; |
| default: |
| while (i > 0) { |
| int p_count = 0; |
| if (rename("1", "a/b/c/d/e/1") == 0) |
| p_count++; |
| if (rename("a/b/c/d/e/1", "1") == 0) |
| p_count++; |
| if (p_count) { |
| (void) fprintf(stderr, "p_count: %d", p_count); |
| } |
| } |
| break; |
| } |
| |
| return (0); |
| } |