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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads, libcpp-has-thread-api-external
// XFAIL: windows
// <mutex>
// class recursive_mutex;
// typedef pthread_mutex_t* native_handle_type;
// native_handle_type native_handle();
#include <mutex>
#include <cassert>
int main()
{
std::recursive_mutex m;
pthread_mutex_t* h = m.native_handle();
assert(h);
}
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