18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 48a272653SPeter Holm# Copyright (c) 2015 EMC Corp. 58a272653SPeter Holm# All rights reserved. 68a272653SPeter Holm# 78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 88a272653SPeter Holm# modification, are permitted provided that the following conditions 98a272653SPeter Holm# are met: 108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 118a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 138a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 148a272653SPeter Holm# documentation and/or other materials provided with the distribution. 158a272653SPeter Holm# 168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 198a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 268a272653SPeter Holm# SUCH DAMAGE. 278a272653SPeter Holm# 288a272653SPeter Holm 298a272653SPeter Holm# Thread suspend deadlock seen: 308a272653SPeter Holm# https://people.freebsd.org/~pho/stress/log/pthread9.txt 318a272653SPeter Holm 328a272653SPeter Holm# Test scenario by Conrad Meyer. 338a272653SPeter Holm# Fixed by r283320. 348a272653SPeter Holm 358a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 368a272653SPeter Holm 378a272653SPeter Holm. ../default.cfg 388a272653SPeter Holm 398a272653SPeter Holmhere=`pwd` 408a272653SPeter Holmcd /tmp 418a272653SPeter Holmsed '1,/^EOF/d' < $here/$0 > pthread9.c 428a272653SPeter Holmmycc -o pthread9 -Wall -Wextra -O2 pthread9.c -lpthread || exit 1 438a272653SPeter Holmrm -f pthread9.c 448a272653SPeter Holm 458a272653SPeter Holmstatus=0 468a272653SPeter Holmif ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1; then 478a272653SPeter Holm mount -t nfs -o nfsv3,tcp,nolockd,retrycnt=3,intr $nfs_export \ 488a272653SPeter Holm $mntpoint || exit 1 498a272653SPeter Holm sleep .5 508a272653SPeter Holm echo "Expect core dumps" 518a272653SPeter Holm (cd $mntpoint; /tmp/pthread9) & 528a272653SPeter Holm sleep 200 538a272653SPeter Holm if pgrep -q pthread9; then 548a272653SPeter Holm echo FAIL 558a272653SPeter Holm procstat -k `pgrep pthread9 | grep -v $!` 568a272653SPeter Holm status=1 578a272653SPeter Holm fi 588a272653SPeter Holm rm -f $mntpoint/pthread9.core 598a272653SPeter Holm umount -f $mntpoint 608a272653SPeter Holm wait 618a272653SPeter Holmfi 628a272653SPeter Holm 638a272653SPeter Holmrm -f /tmp/pthread9 /tmp/pthread9.core 648a272653SPeter Holmexit $status 658a272653SPeter HolmEOF 668a272653SPeter Holm#include <sys/types.h> 678a272653SPeter Holm 688a272653SPeter Holm#include <machine/atomic.h> 698a272653SPeter Holm 708a272653SPeter Holm#include <err.h> 718a272653SPeter Holm#include <errno.h> 728a272653SPeter Holm#include <fcntl.h> 738a272653SPeter Holm#include <pthread.h> 748a272653SPeter Holm#ifdef __FreeBSD__ 758a272653SPeter Holm#include <pthread_np.h> 768a272653SPeter Holm#define __NP__ 778a272653SPeter Holm#endif 788a272653SPeter Holm#include <stdio.h> 798a272653SPeter Holm#include <stdlib.h> 808a272653SPeter Holm#include <time.h> 818a272653SPeter Holm#include <sys/wait.h> 828a272653SPeter Holm#include <unistd.h> 838a272653SPeter Holm 848a272653SPeter Holm#define LOOPS 50 858a272653SPeter Holm#define RUNTIME 180 868a272653SPeter Holm 878a272653SPeter Holmvolatile u_int go; 888a272653SPeter Holmint fd; 898a272653SPeter Holmchar file[] = "pthread9.file"; 908a272653SPeter Holm 918a272653SPeter Holmstatic void * 928a272653SPeter Holmt1(void *data __unused) 938a272653SPeter Holm{ 948a272653SPeter Holm int i; 958a272653SPeter Holm 968a272653SPeter Holm#ifdef __NP__ 978a272653SPeter Holm pthread_set_name_np(pthread_self(), __func__); 988a272653SPeter Holm#endif 998a272653SPeter Holm while (go == 0) 1008a272653SPeter Holm pthread_yield(); 1018a272653SPeter Holm 1028a272653SPeter Holm atomic_add_int(&go, 1); 1038a272653SPeter Holm for (i = 0; i < 100; i++) 1048a272653SPeter Holm if (ftruncate(fd, 0) == -1) 1058a272653SPeter Holm err(1, "truncate"); 1068a272653SPeter Holm 1078a272653SPeter Holm return (NULL); 1088a272653SPeter Holm} 1098a272653SPeter Holm 1108a272653SPeter Holmstatic void * 1118a272653SPeter Holmt2(void *data __unused) 1128a272653SPeter Holm{ 1138a272653SPeter Holm int i; 1148a272653SPeter Holm 1158a272653SPeter Holm#ifdef __NP__ 1168a272653SPeter Holm pthread_set_name_np(pthread_self(), __func__); 1178a272653SPeter Holm#endif 1188a272653SPeter Holm while (go == 0) 1198a272653SPeter Holm pthread_yield(); 1208a272653SPeter Holm 1218a272653SPeter Holm atomic_add_int(&go, 1); 1228a272653SPeter Holm for (i = 0; i < 100; i++) 1238a272653SPeter Holm if (ftruncate(fd, 0) == -1) 1248a272653SPeter Holm err(1, "truncate"); 1258a272653SPeter Holm 1268a272653SPeter Holm return (NULL); 1278a272653SPeter Holm} 1288a272653SPeter Holm 1298a272653SPeter Holmstatic void * 1308a272653SPeter Holmt3(void *data __unused) 1318a272653SPeter Holm{ 1328a272653SPeter Holm 1338a272653SPeter Holm#ifdef __NP__ 1348a272653SPeter Holm pthread_set_name_np(pthread_self(), __func__); 1358a272653SPeter Holm#endif 1368a272653SPeter Holm while (go != 3) 1378a272653SPeter Holm pthread_yield(); 1388a272653SPeter Holm abort(); 1398a272653SPeter Holm 1408a272653SPeter Holm return (NULL); 1418a272653SPeter Holm} 1428a272653SPeter Holm 1438a272653SPeter Holmint 1448a272653SPeter Holmtest(void) 1458a272653SPeter Holm{ 1468a272653SPeter Holm pthread_t tid[3]; 1478a272653SPeter Holm int i, rc; 1488a272653SPeter Holm 1498a272653SPeter Holm go = 0; 1508a272653SPeter Holm if ((rc = pthread_create(&tid[0], NULL, t1, NULL)) != 0) 1518a272653SPeter Holm errc(1, rc, "pthread_create"); 1528a272653SPeter Holm if ((rc = pthread_create(&tid[1], NULL, t2, NULL)) != 0) 1538a272653SPeter Holm errc(1, rc, "pthread_create"); 1548a272653SPeter Holm if ((rc = pthread_create(&tid[2], NULL, t3, NULL)) != 0) 1558a272653SPeter Holm errc(1, rc, "pthread_create"); 1568a272653SPeter Holm usleep(200); 1578a272653SPeter Holm atomic_add_int(&go, 1); 1588a272653SPeter Holm 1598a272653SPeter Holm for (i = 0; i < 3; i++) { 1608a272653SPeter Holm if ((rc = pthread_join(tid[i], NULL)) != 0) 1618a272653SPeter Holm errc(1, rc, "pthread_join"); 1628a272653SPeter Holm } 1638a272653SPeter Holm 1648a272653SPeter Holm _exit(0); 1658a272653SPeter Holm} 1668a272653SPeter Holm 1678a272653SPeter Holmint 1688a272653SPeter Holmmain(void) 1698a272653SPeter Holm{ 1708a272653SPeter Holm time_t start; 1718a272653SPeter Holm 1728a272653SPeter Holm if ((fd = open(file, O_RDWR | O_CREAT, 0644)) == -1) 1738a272653SPeter Holm err(1, "open(%s)", file); 1748a272653SPeter Holm 1758a272653SPeter Holm start = time(NULL); 1768a272653SPeter Holm while (time(NULL) - start < RUNTIME) { 1778a272653SPeter Holm if (fork() == 0) 1788a272653SPeter Holm test(); 1798a272653SPeter Holm wait(NULL); 1808a272653SPeter Holm } 1818a272653SPeter Holm close(fd); 1828a272653SPeter Holm unlink(file); 1838a272653SPeter Holm 1848a272653SPeter Holm return (0); 1858a272653SPeter Holm} 186