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#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# ident "%Z%%M% %I% %E% SMI"
#
# This test verifies that performing a dlclose(3dl) on a library doesn't
# cause existing pid provider probes to become invalid.
#
if [ $# != 1 ]; then
echo expected one argument: '<'dtrace-path'>'
exit 2
fi
dtrace=$1
DIR=/var/tmp/dtest.$$
mkdir $DIR
cd $DIR
cat > Makefile <<EOF
all: main livelib.so deadlib.so
main: main.o prov.o
cc -o main main.o
main.o: main.c
cc -c main.c
livelib.so: livelib.o prov.o
cc -z defs -G -o livelib.so livelib.o prov.o -lc
livelib.o: livelib.c prov.h
cc -c livelib.c
prov.o: livelib.o prov.d
$dtrace -G -s prov.d livelib.o
prov.h: prov.d
$dtrace -h -s prov.d
deadlib.so: deadlib.o
cc -z defs -G -o deadlib.so deadlib.o -lc
deadlib.o: deadlib.c
cc -c deadlib.c
clean:
rm -f main.o livelib.o prov.o prov.h deadlib.o
clobber: clean
rm -f main livelib.so deadlib.so
EOF
cat > prov.d <<EOF
provider test_prov {
probe go();
};
EOF
cat > livelib.c <<EOF
#include "prov.h"
void
go(void)
{
TEST_PROV_GO();
}
EOF
cat > deadlib.c <<EOF
void
go(void)
{
}
EOF
cat > main.c <<EOF
#include <dlfcn.h>
#include <unistd.h>
#include <stdio.h>
static void
foo(void)
{
(void) close(-1);
}
int
main(int argc, char **argv)
{
void *live;
if ((live = dlopen("./livelib.so", RTLD_LAZY | RTLD_LOCAL)) == NULL) {
printf("dlopen of livelib.so failed: %s\n", dlerror());
return (1);
}
(void) dlclose(live);
foo();
return (0);
}
EOF
/usr/ccs/bin/make > /dev/null
if [ $? -ne 0 ]; then
print -u2 "failed to build"
exit 1
fi
script() {
$dtrace -c ./main -s /dev/stdin <<EOF
pid\$target:a.out:foo:entry
{
gotit = 1;
exit(0);
}
tick-1s
/i++ == 5/
{
printf("test timed out");
exit(1);
}
END
/!gotit/
{
printf("program ended without hitting probe");
exit(1);
}
EOF
}
script
status=$?
cd /
/usr/bin/rm -rf $DIR
exit $status
|
