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//===-- Tests for thread detach functionality -----------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "src/__support/threads/mutex.h"
#include "src/__support/threads/thread.h"
#include "test/IntegrationTest/test.h"
LIBC_NAMESPACE::Mutex mutex(/*timed=*/false, /*recursive=*/false,
/*robust=*/false, /*pshared=*/false);
int func(void *) {
mutex.lock();
mutex.unlock();
return 0;
}
void detach_simple_test() {
mutex.lock();
LIBC_NAMESPACE::Thread th;
th.run(func, nullptr, nullptr, 0);
// Since |mutex| is held by the current thread, we guarantee that
// th is running and hence it is safe to detach. Since the thread is
// still running, it should be simple detach.
ASSERT_EQ(th.detach(), int(LIBC_NAMESPACE::DetachType::SIMPLE));
// We will release |mutex| now to let the thread finish an cleanup itself.
mutex.unlock();
}
void detach_cleanup_test() {
mutex.lock();
LIBC_NAMESPACE::Thread th;
ASSERT_EQ(0, th.run(func, nullptr));
// Since |mutex| is held by the current thread, we will release it
// to let |th| run.
mutex.unlock();
// We will wait for |th| to finish. Since it is a joinable thread,
// we can wait on it safely.
th.wait();
// Since |th| is now finished, detaching should cleanup the thread
// resources.
ASSERT_EQ(th.detach(), int(LIBC_NAMESPACE::DetachType::CLEANUP));
}
TEST_MAIN() {
detach_simple_test();
detach_cleanup_test();
return 0;
}
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