NetBSD/tests/lib/libc/tls/t_tls_static.c

96 lines
2.5 KiB
C

/* $NetBSD: t_tls_static.c,v 1.4 2017/10/28 19:25:31 christos Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Joerg Sonnenberger.
*
* 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_tls_static.c,v 1.4 2017/10/28 19:25:31 christos Exp $");
#include <atf-c.h>
#include <pthread.h>
#include <sys/tls.h>
#ifdef __HAVE_NO___THREAD
#define __thread
#endif
ATF_TC(t_tls_static);
ATF_TC_HEAD(t_tls_static, tc)
{
atf_tc_set_md_var(tc, "descr",
"Test (un)initialized TLS variables in static binaries");
}
void testf_helper(void);
__thread int var1 = 1;
__thread int var2;
static void *
testf(void *dummy)
{
#define CHECK(a, b) \
ATF_CHECK_EQ_MSG(var ## a, b, "var%d[%d] != %d", a, var ## a, b)
CHECK(1, 1);
CHECK(2, 0);
testf_helper();
CHECK(1, -1);
CHECK(2, -1);
return NULL;
}
ATF_TC_BODY(t_tls_static, tc)
{
pthread_t t;
#ifdef __HAVE_NO___THREAD
atf_tc_skip("no TLS support on this platform");
#endif
testf(NULL);
pthread_create(&t, 0, testf, 0);
pthread_join(t, NULL);
pthread_create(&t, 0, testf, 0);
pthread_join(t, NULL);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, t_tls_static);
return atf_no_error();
}