xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/usdt/tst.dlclose1.ksh (revision e82490700e19f1b8a2cef6102f4726144d281988)
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 USDT providers are removed when its associated
30# load object is closed via dlclose(3dl).
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
109int
110main(int argc, char **argv)
111{
112	void *live;
113
114	if ((live = dlopen("./livelib.so", RTLD_LAZY | RTLD_LOCAL)) == NULL) {
115		printf("dlopen of livelib.so failed: %s\n", dlerror());
116		return (1);
117	}
118
119	(void) dlclose(live);
120
121	pause();
122
123	return (0);
124}
125EOF
126
127make > /dev/null
128if [ $? -ne 0 ]; then
129	print -u2 "failed to build"
130	exit 1
131fi
132
133script() {
134	$dtrace -w -x bufsize=1k -c ./main -qs /dev/stdin <<EOF
135	syscall::pause:entry
136	/pid == \$target/
137	{
138		system("$dtrace -l -P test_prov*");
139		system("kill %d", \$target);
140		exit(0);
141	}
142
143	tick-1s
144	/i++ == 5/
145	{
146		printf("failed\n");
147		exit(1);
148	}
149EOF
150}
151
152script 2>&1
153status=$?
154
155cd /
156/usr/bin/rm -rf $DIR
157
158exit $status
159