From 7582e3938bb9fb3e4664efdfb2313df29f27b70b Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 16 May 2017 19:47:31 +0000
Subject: Vendor import of libc++ trunk r303197:
 https://llvm.org/svn/llvm-project/libcxx/trunk@303197

---
 ...202_notify_from_pthread_created_thread.pass.cpp | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp

(limited to 'test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp')

diff --git a/test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp b/test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp
new file mode 100644
index 000000000000..de225fe78384
--- /dev/null
+++ b/test/libcxx/thread/thread.condition/PR30202_notify_from_pthread_created_thread.pass.cpp
@@ -0,0 +1,76 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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
+// REQUIRES: libcpp-has-thread-api-pthread
+
+// notify_all_at_thread_exit(...) requires move semantics to transfer the
+// unique_lock.
+// UNSUPPORTED: c++98, c++03
+
+// <condition_variable>
+
+// void
+//   notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk);
+
+// Test that this function works with threads that were not created by
+// std::thread. See http://llvm.org/PR30202.
+
+
+#include <condition_variable>
+#include <mutex>
+#include <thread>
+#include <chrono>
+#include <cassert>
+#include <pthread.h>
+
+std::condition_variable cv;
+std::mutex mut;
+bool exited = false;
+
+typedef std::chrono::milliseconds ms;
+typedef std::chrono::high_resolution_clock Clock;
+
+void* func(void*)
+{
+    std::unique_lock<std::mutex> lk(mut);
+    std::notify_all_at_thread_exit(cv, std::move(lk));
+    std::this_thread::sleep_for(ms(300));
+    exited = true;
+    return nullptr;
+}
+
+int main()
+{
+    {
+    std::unique_lock<std::mutex> lk(mut);
+    pthread_t id;
+    int res = pthread_create(&id, 0, &func, nullptr);
+    assert(res == 0);
+    Clock::time_point t0 = Clock::now();
+    assert(exited == false);
+    cv.wait(lk);
+    Clock::time_point t1 = Clock::now();
+    assert(exited);
+    assert(t1-t0 > ms(250));
+    pthread_join(id, 0);
+    }
+    exited = false;
+    {
+    std::unique_lock<std::mutex> lk(mut);
+    std::thread t(&func, nullptr);
+    Clock::time_point t0 = Clock::now();
+    assert(exited == false);
+    cv.wait(lk);
+    Clock::time_point t1 = Clock::now();
+    assert(exited);
+    assert(t1-t0 > ms(250));
+    t.join();
+    }
+}
-- 
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