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/*
* Copyright (c) 2016 Tavian Barnes. All rights reserved.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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: h_thread_local_dtor.cpp,v 1.1 2017/07/11 15:21:36 joerg Exp $");
#include <cstdlib>
#include <thread>
static int seq;
class OrderChecker {
public:
explicit OrderChecker(int n) : n_{n} { }
~OrderChecker() {
if (seq != n_) {
printf("Unexpected sequence point: %d\n", 3);
_Exit(1);
}
++seq;
}
private:
int n_;
};
template <int ID>
class CreatesThreadLocalInDestructor {
public:
~CreatesThreadLocalInDestructor() {
thread_local OrderChecker checker{ID};
}
};
OrderChecker global{7};
void thread_fn() {
static OrderChecker fn_static{5};
thread_local CreatesThreadLocalInDestructor<2> creates_tl2;
thread_local OrderChecker fn_thread_local{1};
thread_local CreatesThreadLocalInDestructor<0> creates_tl0;
}
int main() {
static OrderChecker fn_static{6};
std::thread{thread_fn}.join();
if (seq != 3) {
printf("Unexpected sequence point: %d\n", 3);
_Exit(1);
}
thread_local OrderChecker fn_thread_local{4};
thread_local CreatesThreadLocalInDestructor<3> creates_tl;
return 0;
}
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