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Provide a fallback __cxa_thread_atexit() implementation. Patch from T…
…avian Barnes git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@283988 91177308-0d34-0410-b5e6-96231b3b80d8
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//===-------------- thread_local_destruction_order.pass.cpp ---------------===// | ||
// | ||
// The LLVM Compiler Infrastructure | ||
// | ||
// This file is dual licensed under the MIT and the University of Illinois Open | ||
// Source Licenses. See LICENSE.TXT for details. | ||
// | ||
//===----------------------------------------------------------------------===// | ||
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// UNSUPPORTED: c++98, c++03 | ||
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#include <cassert> | ||
#include <thread> | ||
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int seq = 0; | ||
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class OrderChecker { | ||
public: | ||
explicit OrderChecker(int n) : n_{n} { } | ||
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~OrderChecker() { | ||
assert(seq++ == n_); | ||
} | ||
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private: | ||
int n_; | ||
}; | ||
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template <int ID> | ||
class CreatesThreadLocalInDestructor { | ||
public: | ||
~CreatesThreadLocalInDestructor() { | ||
thread_local OrderChecker checker{ID}; | ||
} | ||
}; | ||
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OrderChecker global{7}; | ||
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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; | ||
} | ||
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int main() { | ||
static OrderChecker fn_static{6}; | ||
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std::thread{thread_fn}.join(); | ||
assert(seq == 3); | ||
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thread_local OrderChecker fn_thread_local{4}; | ||
thread_local CreatesThreadLocalInDestructor<3> creates_tl; | ||
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return 0; | ||
} |