1 /* $NetBSD: t_dlopen.c,v 1.1 2013/03/21 16:50:21 christos Exp $ */ 2 /*- 3 * Copyright (c) 2013 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Emmanuel Dreyfus 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __RCSID("$NetBSD: t_dlopen.c,v 1.1 2013/03/21 16:50:21 christos Exp $"); 36 37 #include <atf-c.h> 38 #include <dlfcn.h> 39 #include <pthread.h> 40 #include <unistd.h> 41 42 ATF_TC(dlopen); 43 44 ATF_TC_HEAD(dlopen, tc) 45 { 46 atf_tc_set_md_var(tc, "descr", 47 "Test if dlopen can load -lpthread DSO"); 48 } 49 50 #define DSO TESTDIR "/h_pthread_dlopen.so" 51 52 ATF_TC_BODY(dlopen, tc) 53 { 54 void *handle; 55 int (*testf_dso_null)(void); 56 handle = dlopen(DSO, RTLD_NOW | RTLD_LOCAL); 57 ATF_REQUIRE_MSG(handle != NULL, "dlopen fails: %s", dlerror()); 58 59 testf_dso_null = dlsym(handle, "testf_dso_null"); 60 ATF_REQUIRE_MSG(testf_dso_null != NULL, "dlsym fails: %s", dlerror()); 61 62 ATF_REQUIRE(testf_dso_null() == 0xcafe); 63 64 ATF_REQUIRE(dlclose(handle) == 0); 65 } 66 67 ATF_TC(dlopen_mutex); 68 69 ATF_TC_HEAD(dlopen_mutex, tc) 70 { 71 atf_tc_set_md_var(tc, "descr", 72 "Test if dlopen can load -lpthread DSO without breaking mutex"); 73 } 74 75 ATF_TC_BODY(dlopen_mutex, tc) 76 { 77 pthread_mutex_t mtx; 78 void *handle; 79 int (*testf_dso_null)(void); 80 81 ATF_REQUIRE(pthread_mutex_init(&mtx, NULL) == 0); 82 ATF_REQUIRE(pthread_mutex_lock(&mtx) == 0); 83 84 handle = dlopen(DSO, RTLD_NOW | RTLD_LOCAL); 85 ATF_REQUIRE_MSG(handle != NULL, "dlopen fails: %s", dlerror()); 86 87 testf_dso_null = dlsym(handle, "testf_dso_null"); 88 ATF_REQUIRE_MSG(testf_dso_null != NULL, "dlsym fails: %s", dlerror()); 89 90 ATF_REQUIRE(testf_dso_null() == 0xcafe); 91 92 ATF_REQUIRE(pthread_mutex_unlock(&mtx) == 0); 93 94 ATF_REQUIRE(dlclose(handle) == 0); 95 96 pthread_mutex_destroy(&mtx); 97 } 98 99 ATF_TC(dlopen_mutex_libc); 100 101 ATF_TC_HEAD(dlopen_mutex_libc, tc) 102 { 103 atf_tc_set_md_var(tc, "descr", 104 "Test if dlopen can load -lpthread DSO and use libc locked mutex"); 105 } 106 107 ATF_TC_BODY(dlopen_mutex_libc, tc) 108 { 109 pthread_mutex_t mtx; 110 void *handle; 111 int (*testf_dso_mutex_unlock)(pthread_mutex_t *); 112 113 ATF_REQUIRE(pthread_mutex_init(&mtx, NULL) == 0); 114 ATF_REQUIRE(pthread_mutex_lock(&mtx) == 0); 115 116 handle = dlopen(DSO, RTLD_NOW | RTLD_LOCAL); 117 ATF_REQUIRE_MSG(handle != NULL, "dlopen fails: %s", dlerror()); 118 119 testf_dso_mutex_unlock = dlsym(handle, "testf_dso_mutex_unlock"); 120 ATF_REQUIRE_MSG(testf_dso_mutex_unlock != NULL, 121 "dlsym fails: %s", dlerror()); 122 123 ATF_REQUIRE(testf_dso_mutex_unlock(&mtx) == 0xcafe); 124 125 dlclose(handle); 126 127 pthread_mutex_destroy(&mtx); 128 } 129 130 ATF_TC(dlopen_mutex_libpthread); 131 132 ATF_TC_HEAD(dlopen_mutex_libpthread, tc) 133 { 134 atf_tc_set_md_var(tc, "descr", 135 "Test if dlopen can load -lpthread DSO and use " 136 "libpthread locked mutex"); 137 } 138 139 ATF_TC_BODY(dlopen_mutex_libpthread, tc) 140 { 141 pthread_mutex_t mtx; 142 void *handle; 143 int (*testf_dso_mutex_lock)(pthread_mutex_t *); 144 145 ATF_REQUIRE(pthread_mutex_init(&mtx, NULL) == 0); 146 147 handle = dlopen(DSO, RTLD_NOW | RTLD_LOCAL); 148 ATF_REQUIRE_MSG(handle != NULL, "dlopen fails: %s", dlerror()); 149 150 testf_dso_mutex_lock = dlsym(handle, "testf_dso_mutex_lock"); 151 ATF_REQUIRE_MSG(testf_dso_mutex_lock != NULL, 152 "dlsym fails: %s", dlerror()); 153 154 ATF_REQUIRE(testf_dso_mutex_lock(&mtx) == 0xcafe); 155 156 ATF_REQUIRE(pthread_mutex_unlock(&mtx) == 0); 157 158 dlclose(handle); 159 160 pthread_mutex_destroy(&mtx); 161 } 162 163 ATF_TP_ADD_TCS(tp) 164 { 165 ATF_TP_ADD_TC(tp, dlopen); 166 ATF_TP_ADD_TC(tp, dlopen_mutex); 167 ATF_TP_ADD_TC(tp, dlopen_mutex_libc); 168 ATF_TP_ADD_TC(tp, dlopen_mutex_libpthread); 169 170 return atf_no_error(); 171 } 172