/* $NetBSD: t_dlopen.c,v 1.1 2013/03/21 16:50:21 christos Exp $ */ /*- * Copyright (c) 2013 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Emmanuel Dreyfus * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> __RCSID("$NetBSD: t_dlopen.c,v 1.1 2013/03/21 16:50:21 christos Exp $"); #include <atf-c.h> #include <dlfcn.h> #include <pthread.h> #include <unistd.h> ATF_TC(dlopen); ATF_TC_HEAD(dlopen, tc) { atf_tc_set_md_var(tc, "descr", "Test if dlopen can load -lpthread DSO"); } #define DSO TESTDIR "/h_pthread_dlopen.so" ATF_TC_BODY(dlopen, tc) { void *handle; int (*testf_dso_null)(void); handle = dlopen(DSO, RTLD_NOW | RTLD_LOCAL); ATF_REQUIRE_MSG(handle != NULL, "dlopen fails: %s", dlerror()); testf_dso_null = dlsym(handle, "testf_dso_null"); ATF_REQUIRE_MSG(testf_dso_null != NULL, "dlsym fails: %s", dlerror()); ATF_REQUIRE(testf_dso_null() == 0xcafe); ATF_REQUIRE(dlclose(handle) == 0); } ATF_TC(dlopen_mutex); ATF_TC_HEAD(dlopen_mutex, tc) { atf_tc_set_md_var(tc, "descr", "Test if dlopen can load -lpthread DSO without breaking mutex"); } ATF_TC_BODY(dlopen_mutex, tc) { pthread_mutex_t mtx; void *handle; int (*testf_dso_null)(void); ATF_REQUIRE(pthread_mutex_init(&mtx, NULL) == 0); ATF_REQUIRE(pthread_mutex_lock(&mtx) == 0); handle = dlopen(DSO, RTLD_NOW | RTLD_LOCAL); ATF_REQUIRE_MSG(handle != NULL, "dlopen fails: %s", dlerror()); testf_dso_null = dlsym(handle, "testf_dso_null"); ATF_REQUIRE_MSG(testf_dso_null != NULL, "dlsym fails: %s", dlerror()); ATF_REQUIRE(testf_dso_null() == 0xcafe); ATF_REQUIRE(pthread_mutex_unlock(&mtx) == 0); ATF_REQUIRE(dlclose(handle) == 0); pthread_mutex_destroy(&mtx); } ATF_TC(dlopen_mutex_libc); ATF_TC_HEAD(dlopen_mutex_libc, tc) { atf_tc_set_md_var(tc, "descr", "Test if dlopen can load -lpthread DSO and use libc locked mutex"); } ATF_TC_BODY(dlopen_mutex_libc, tc) { pthread_mutex_t mtx; void *handle; int (*testf_dso_mutex_unlock)(pthread_mutex_t *); ATF_REQUIRE(pthread_mutex_init(&mtx, NULL) == 0); ATF_REQUIRE(pthread_mutex_lock(&mtx) == 0); handle = dlopen(DSO, RTLD_NOW | RTLD_LOCAL); ATF_REQUIRE_MSG(handle != NULL, "dlopen fails: %s", dlerror()); testf_dso_mutex_unlock = dlsym(handle, "testf_dso_mutex_unlock"); ATF_REQUIRE_MSG(testf_dso_mutex_unlock != NULL, "dlsym fails: %s", dlerror()); ATF_REQUIRE(testf_dso_mutex_unlock(&mtx) == 0xcafe); dlclose(handle); pthread_mutex_destroy(&mtx); } ATF_TC(dlopen_mutex_libpthread); ATF_TC_HEAD(dlopen_mutex_libpthread, tc) { atf_tc_set_md_var(tc, "descr", "Test if dlopen can load -lpthread DSO and use " "libpthread locked mutex"); } ATF_TC_BODY(dlopen_mutex_libpthread, tc) { pthread_mutex_t mtx; void *handle; int (*testf_dso_mutex_lock)(pthread_mutex_t *); ATF_REQUIRE(pthread_mutex_init(&mtx, NULL) == 0); handle = dlopen(DSO, RTLD_NOW | RTLD_LOCAL); ATF_REQUIRE_MSG(handle != NULL, "dlopen fails: %s", dlerror()); testf_dso_mutex_lock = dlsym(handle, "testf_dso_mutex_lock"); ATF_REQUIRE_MSG(testf_dso_mutex_lock != NULL, "dlsym fails: %s", dlerror()); ATF_REQUIRE(testf_dso_mutex_lock(&mtx) == 0xcafe); ATF_REQUIRE(pthread_mutex_unlock(&mtx) == 0); dlclose(handle); pthread_mutex_destroy(&mtx); } ATF_TP_ADD_TCS(tp) { ATF_TP_ADD_TC(tp, dlopen); ATF_TP_ADD_TC(tp, dlopen_mutex); ATF_TP_ADD_TC(tp, dlopen_mutex_libc); ATF_TP_ADD_TC(tp, dlopen_mutex_libpthread); return atf_no_error(); }