1*716fd348SMartin Matuska /* 2*716fd348SMartin Matuska * CDDL HEADER START 3*716fd348SMartin Matuska * 4*716fd348SMartin Matuska * The contents of this file are subject to the terms of the 5*716fd348SMartin Matuska * Common Development and Distribution License (the "License"). 6*716fd348SMartin Matuska * You may not use this file except in compliance with the License. 7*716fd348SMartin Matuska * 8*716fd348SMartin Matuska * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*716fd348SMartin Matuska * or http://www.opensolaris.org/os/licensing. 10*716fd348SMartin Matuska * See the License for the specific language governing permissions 11*716fd348SMartin Matuska * and limitations under the License. 12*716fd348SMartin Matuska * 13*716fd348SMartin Matuska * When distributing Covered Code, include this CDDL HEADER in each 14*716fd348SMartin Matuska * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*716fd348SMartin Matuska * If applicable, add the following below this CDDL HEADER, with the 16*716fd348SMartin Matuska * fields enclosed by brackets "[]" replaced with your own identifying 17*716fd348SMartin Matuska * information: Portions Copyright [yyyy] [name of copyright owner] 18*716fd348SMartin Matuska * 19*716fd348SMartin Matuska * CDDL HEADER END 20*716fd348SMartin Matuska */ 21*716fd348SMartin Matuska 22*716fd348SMartin Matuska /* 23*716fd348SMartin Matuska * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24*716fd348SMartin Matuska * Use is subject to license terms. 25*716fd348SMartin Matuska */ 26*716fd348SMartin Matuska 27*716fd348SMartin Matuska /* 28*716fd348SMartin Matuska * Copyright (c) 2012 by Delphix. All rights reserved. 29*716fd348SMartin Matuska */ 30*716fd348SMartin Matuska 31*716fd348SMartin Matuska /* 32*716fd348SMartin Matuska * Assertion: 33*716fd348SMartin Matuska * Create two directory trees in zfs filesystem, and rename 34*716fd348SMartin Matuska * directory across the directory structure. ZFS can handle 35*716fd348SMartin Matuska * the race situation. 36*716fd348SMartin Matuska */ 37*716fd348SMartin Matuska 38*716fd348SMartin Matuska /* 39*716fd348SMartin Matuska * Need to create the following directory structures before 40*716fd348SMartin Matuska * running this program: 41*716fd348SMartin Matuska * 42*716fd348SMartin Matuska * mkdir -p 1/2/3/4/5 a/b/c/d/e 43*716fd348SMartin Matuska */ 44*716fd348SMartin Matuska 45*716fd348SMartin Matuska 46*716fd348SMartin Matuska #include <stdlib.h> 47*716fd348SMartin Matuska #include <unistd.h> 48*716fd348SMartin Matuska #include <stdio.h> 49*716fd348SMartin Matuska 50*716fd348SMartin Matuska int 51*716fd348SMartin Matuska main(void) 52*716fd348SMartin Matuska { 53*716fd348SMartin Matuska int i = 1; 54*716fd348SMartin Matuska 55*716fd348SMartin Matuska switch (fork()) { 56*716fd348SMartin Matuska case -1: 57*716fd348SMartin Matuska perror("fork"); 58*716fd348SMartin Matuska exit(1); 59*716fd348SMartin Matuska break; 60*716fd348SMartin Matuska 61*716fd348SMartin Matuska case 0: 62*716fd348SMartin Matuska while (i > 0) { 63*716fd348SMartin Matuska int c_count = 0; 64*716fd348SMartin Matuska if (rename("a/b/c", "1/2/3/c") == 0) 65*716fd348SMartin Matuska c_count++; 66*716fd348SMartin Matuska if (rename("1/2/3/c", "a/b/c") == 0) 67*716fd348SMartin Matuska c_count++; 68*716fd348SMartin Matuska if (c_count) 69*716fd348SMartin Matuska (void) fprintf(stderr, "c_count: %d", c_count); 70*716fd348SMartin Matuska } 71*716fd348SMartin Matuska _exit(0); 72*716fd348SMartin Matuska 73*716fd348SMartin Matuska default: 74*716fd348SMartin Matuska while (i > 0) { 75*716fd348SMartin Matuska int p_count = 0; 76*716fd348SMartin Matuska if (rename("1", "a/b/c/d/e/1") == 0) 77*716fd348SMartin Matuska p_count++; 78*716fd348SMartin Matuska if (rename("a/b/c/d/e/1", "1") == 0) 79*716fd348SMartin Matuska p_count++; 80*716fd348SMartin Matuska if (p_count) 81*716fd348SMartin Matuska (void) fprintf(stderr, "p_count: %d", p_count); 82*716fd348SMartin Matuska } 83*716fd348SMartin Matuska return (0); 84*716fd348SMartin Matuska } 85*716fd348SMartin Matuska } 86