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//===-------------- thread_local_destruction_order.pass.cpp ---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Darwin TLV finalization routines fail when creating a thread-local variable
// in the destructor for another thread-local variable:
// http://lists.llvm.org/pipermail/cfe-dev/2016-November/051376.html
// XFAIL: darwin
// UNSUPPORTED: c++98, c++03
// UNSUPPORTED: libcxxabi-no-threads
#include <cassert>
#include <thread>
int seq = 0;
class OrderChecker {
public:
explicit OrderChecker(int n) : n_{n} { }
~OrderChecker() {
assert(seq++ == n_);
}
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();
assert(seq == 3);
thread_local OrderChecker fn_thread_local{4};
thread_local CreatesThreadLocalInDestructor<3> creates_tl;
return 0;
}
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