1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# 24# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27# ident "%Z%%M% %I% %E% SMI" 28 29# 30# This test verifies that USDT providers are removed when its associated 31# load object is closed via dlclose(3dl). 32# 33 34if [ $# != 1 ]; then 35 echo expected one argument: '<'dtrace-path'>' 36 exit 2 37fi 38 39dtrace=$1 40DIR=/var/tmp/dtest.$$ 41 42mkdir $DIR 43cd $DIR 44 45cat > Makefile <<EOF 46all: main livelib.so deadlib.so 47 48main: main.o prov.o 49 cc -o main main.o 50 51main.o: main.c 52 cc -c main.c 53 54 55livelib.so: livelib.o prov.o 56 cc -shared -o livelib.so livelib.o prov.o -lc 57 58livelib.o: livelib.c prov.h 59 cc -c livelib.c 60 61prov.o: livelib.o prov.d 62 $dtrace -G -s prov.d livelib.o 63 64prov.h: prov.d 65 $dtrace -h -s prov.d 66 67 68deadlib.so: deadlib.o 69 cc -shared -o deadlib.so deadlib.o -lc 70 71deadlib.o: deadlib.c 72 cc -c deadlib.c 73 74clean: 75 rm -f main.o livelib.o prov.o prov.h deadlib.o 76 77clobber: clean 78 rm -f main livelib.so deadlib.so 79EOF 80 81cat > prov.d <<EOF 82provider test_prov { 83 probe go(); 84}; 85EOF 86 87cat > livelib.c <<EOF 88#include "prov.h" 89 90void 91go(void) 92{ 93 TEST_PROV_GO(); 94} 95EOF 96 97cat > deadlib.c <<EOF 98void 99go(void) 100{ 101} 102EOF 103 104 105cat > main.c <<EOF 106#include <dlfcn.h> 107#include <unistd.h> 108#include <stdio.h> 109#include <signal.h> 110 111int 112main(int argc, char **argv) 113{ 114 void *live; 115 sigset_t mask; 116 117 if ((live = dlopen("./livelib.so", RTLD_LAZY | RTLD_LOCAL)) == NULL) { 118 printf("dlopen of livelib.so failed: %s\n", dlerror()); 119 return (1); 120 } 121 122 (void) dlclose(live); 123 124 (void) sigemptyset(&mask); 125 (void) sigsuspend(&mask); 126 127 return (0); 128} 129EOF 130 131/usr/bin/make > /dev/null 132if [ $? -ne 0 ]; then 133 print -u2 "failed to build" 134 exit 1 135fi 136 137script() { 138 $dtrace -w -x bufsize=1k -c ./main -qs /dev/stdin <<EOF 139 syscall::sigsuspend:entry 140 /pid == \$target/ 141 { 142 system("$dtrace -l -P test_prov*"); 143 system("kill %d", \$target); 144 exit(0); 145 } 146 147 tick-1s 148 /i++ == 5/ 149 { 150 printf("failed\n"); 151 exit(1); 152 } 153EOF 154} 155 156script 2>&1 157status=$? 158 159cd / 160/bin/rm -rf $DIR 161 162exit $status 163