minix/tests/lib/libpthread/dlopen/t_dlopen.c

172 lines
4.7 KiB
C
Raw Normal View History

/* $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();
}