90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* $NetBSD: t_call_once.c,v 1.1 2019/04/24 11:43:19 kamil Exp $ */
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/*-
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* Copyright (c) 2019 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Kamil Rytarowski.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__COPYRIGHT("@(#) Copyright (c) 2019\
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The NetBSD Foundation, inc. All rights reserved.");
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__RCSID("$NetBSD: t_call_once.c,v 1.1 2019/04/24 11:43:19 kamil Exp $");
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#include <threads.h>
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#include <atf-c.h>
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ATF_TC(call_once);
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ATF_TC_HEAD(call_once, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test C11 call_once(3)");
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}
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#define CO_THREADS 8
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static int co_val;
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static once_flag oflag = ONCE_FLAG_INIT;
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static void
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called_once(void)
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{
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++co_val;
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}
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static int
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co_func(void *arg __unused)
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{
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call_once(&oflag, called_once);
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return 0;
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}
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ATF_TC_BODY(call_once, tc)
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{
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thrd_t t[CO_THREADS];
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size_t i;
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for (i = 0; i < CO_THREADS; i++) {
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ATF_REQUIRE_EQ(thrd_create(&t[i], co_func, NULL), thrd_success);
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}
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for (i = 0; i < CO_THREADS; i++) {
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ATF_REQUIRE_EQ(thrd_join(t[i], NULL), thrd_success);
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}
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ATF_REQUIRE_EQ(co_val, 1);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, call_once);
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return atf_no_error();
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}
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