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      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 
     34 if [ $# != 1 ]; then
     35 	echo expected one argument: '<'dtrace-path'>'
     36 	exit 2
     37 fi
     38 
     39 dtrace=$1
     40 DIR=/var/tmp/dtest.$$
     41 
     42 mkdir $DIR
     43 cd $DIR
     44 
     45 cat > Makefile <<EOF
     46 all: main livelib.so deadlib.so
     47 
     48 main: main.o prov.o
     49 	cc -o main main.o
     50 
     51 main.o: main.c
     52 	cc -c main.c
     53 
     54 
     55 livelib.so: livelib.o prov.o
     56 	cc -z defs -G -o livelib.so livelib.o prov.o -lc
     57 
     58 livelib.o: livelib.c prov.h
     59 	cc -c livelib.c
     60 
     61 prov.o: livelib.o prov.d
     62 	$dtrace -G -s prov.d livelib.o
     63 
     64 prov.h: prov.d
     65 	$dtrace -h -s prov.d
     66 
     67 
     68 deadlib.so: deadlib.o
     69 	cc -z defs -G -o deadlib.so deadlib.o -lc
     70 
     71 deadlib.o: deadlib.c
     72 	cc -c deadlib.c
     73 
     74 clean:
     75 	rm -f main.o livelib.o prov.o prov.h deadlib.o
     76 
     77 clobber: clean
     78 	rm -f main livelib.so deadlib.so
     79 EOF
     80 
     81 cat > prov.d <<EOF
     82 provider test_prov {
     83 	probe go();
     84 };
     85 EOF
     86 
     87 cat > livelib.c <<EOF
     88 #include "prov.h"
     89 
     90 void
     91 go(void)
     92 {
     93 	TEST_PROV_GO();
     94 }
     95 EOF
     96 
     97 cat > deadlib.c <<EOF
     98 void
     99 go(void)
    100 {
    101 }
    102 EOF
    103 
    104 
    105 cat > main.c <<EOF
    106 #include <dlfcn.h>
    107 #include <unistd.h>
    108 #include <stdio.h>
    109 
    110 int
    111 main(int argc, char **argv)
    112 {
    113 	void *live;
    114 
    115 	if ((live = dlopen("./livelib.so", RTLD_LAZY | RTLD_LOCAL)) == NULL) {
    116 		printf("dlopen of livelib.so failed: %s\n", dlerror());
    117 		return (1);
    118 	}
    119 
    120 	(void) dlclose(live);
    121 
    122 	pause();
    123 
    124 	return (0);
    125 }
    126 EOF
    127 
    128 /usr/ccs/bin/make > /dev/null
    129 if [ $? -ne 0 ]; then
    130 	print -u2 "failed to build"
    131 	exit 1
    132 fi
    133 
    134 script() {
    135 	$dtrace -w -x bufsize=1k -c ./main -qs /dev/stdin <<EOF
    136 	syscall::pause:entry
    137 	/pid == \$target/
    138 	{
    139 		system("$dtrace -l -P test_prov*");
    140 		system("kill %d", \$target);
    141 		exit(0);
    142 	}
    143 
    144 	tick-1s
    145 	/i++ == 5/
    146 	{
    147 		printf("failed\n");
    148 		exit(1);
    149 	}
    150 EOF
    151 }
    152 
    153 script 2>&1
    154 status=$?
    155 
    156 cd /
    157 /usr/bin/rm -rf $DIR
    158 
    159 exit $status
    160