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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// REQUIRES: linux && target={{aarch64-.+}}
// pthread_cancel in case of glibc calls _Unwind_ForcedUnwind from a signal on
// the child_thread. This test ensures sigretrun is handled correctly (see:
// UnwindCursor<A, R>::setInfoForSigReturn).
#include <cstdlib> // defines __BIONIC__
// Android/Bionic does not support pthread_cancel.
#ifdef __BIONIC__
int main() {
return 0;
}
#else
#include <chrono>
#include <condition_variable>
#include <pthread.h>
#include <unistd.h>
using namespace std::chrono_literals;
std::condition_variable cv;
std::mutex cv_m;
bool thread_ready = false;
static void* test(void* arg) {
(void)arg;
thread_ready = true;
cv.notify_all();
// This must be a pthread cancellation point.
while (1)
sleep(100);
return (void*)1;
}
int main() {
pthread_t child_thread;
std::unique_lock<std::mutex> lk(cv_m);
pthread_create(&child_thread, 0, test, (void*)0);
if (!cv.wait_for(lk, 100ms, [] { return thread_ready; }))
return -1;
pthread_cancel(child_thread);
pthread_join(child_thread, NULL);
return 0;
}
#endif
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