| //===-- main.cpp ------------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // This test is intended to create a situation in which a breakpoint will be |
| // hit in two threads at nearly the same moment. The expected result is that |
| // the breakpoint in the second thread will be hit while the breakpoint handler |
| // in the first thread is trying to stop all threads. |
| |
| #include "pseudo_barrier.h" |
| #include <thread> |
| |
| pseudo_barrier_t g_barrier; |
| |
| volatile int g_test = 0; |
| |
| void * |
| thread_func () |
| { |
| // Wait until both threads are running |
| pseudo_barrier_wait(g_barrier); |
| |
| // Do something |
| g_test++; // Set breakpoint here |
| |
| // Return |
| return NULL; |
| } |
| |
| int main () |
| { |
| // Don't let either thread do anything until they're both ready. |
| pseudo_barrier_init(g_barrier, 2); |
| |
| // Create two threads |
| std::thread thread_1(thread_func); |
| std::thread thread_2(thread_func); |
| |
| // Wait for the threads to finish |
| thread_1.join(); |
| thread_2.join(); |
| |
| return 0; |
| } |