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 28# 29# This test verifies that performing a dlclose(3dl) on a library doesn't 30# cause existing pid provider probes to become invalid. 31# 32 33if [ $# != 1 ]; then 34 echo expected one argument: '<'dtrace-path'>' 35 exit 2 36fi 37 38dtrace=$1 39DIR=/var/tmp/dtest.$$ 40 41mkdir $DIR 42cd $DIR 43 44cat > Makefile <<EOF 45all: main livelib.so deadlib.so 46 47main: main.o prov.o 48 gcc -m32 -o main main.o 49 50main.o: main.c 51 gcc -m32 -c main.c 52 53 54livelib.so: livelib.o prov.o 55 gcc -m32 -shared -o livelib.so livelib.o prov.o -lc 56 57livelib.o: livelib.c prov.h 58 gcc -m32 -fPIC -c livelib.c 59 60prov.o: livelib.o prov.d 61 $dtrace -G -s prov.d livelib.o 62 63prov.h: prov.d 64 $dtrace -h -s prov.d 65 66 67deadlib.so: deadlib.o 68 gcc -m32 -shared -o deadlib.so deadlib.o -lc 69 70deadlib.o: deadlib.c 71 gcc -m32 -fPIC -c deadlib.c 72 73clean: 74 rm -f main.o livelib.o prov.o prov.h deadlib.o 75 76clobber: clean 77 rm -f main livelib.so deadlib.so 78EOF 79 80cat > prov.d <<EOF 81provider test_prov { 82 probe go(); 83}; 84EOF 85 86cat > livelib.c <<EOF 87#include "prov.h" 88 89void 90go(void) 91{ 92 TEST_PROV_GO(); 93} 94EOF 95 96cat > deadlib.c <<EOF 97void 98go(void) 99{ 100} 101EOF 102 103 104cat > main.c <<EOF 105#include <dlfcn.h> 106#include <unistd.h> 107#include <stdio.h> 108 109static void 110foo(void) 111{ 112 (void) close(-1); 113} 114 115int 116main(int argc, char **argv) 117{ 118 void *live; 119 120 if ((live = dlopen("./livelib.so", RTLD_LAZY | RTLD_LOCAL)) == NULL) { 121 printf("dlopen of livelib.so failed: %s\n", dlerror()); 122 return (1); 123 } 124 125 (void) dlclose(live); 126 127 foo(); 128 129 return (0); 130} 131EOF 132 133make > /dev/null 134if [ $? -ne 0 ]; then 135 print -u2 "failed to build" 136 exit 1 137fi 138 139script() { 140 $dtrace -c ./main -s /dev/stdin <<EOF 141 pid\$target:a.out:foo:entry 142 { 143 gotit = 1; 144 exit(0); 145 } 146 147 tick-1s 148 /i++ == 5/ 149 { 150 printf("test timed out"); 151 exit(1); 152 } 153 154 END 155 /!gotit/ 156 { 157 printf("program ended without hitting probe"); 158 exit(1); 159 } 160EOF 161} 162 163script 164status=$? 165 166cd / 167/usr/bin/rm -rf $DIR 168 169exit $status 170