fix possibility of race condition

2022-11-11 10:10:16 +09:00
parent 803d93f3ec
commit 1f5f46c925
1 changed files with 2 additions and 1 deletions
--- a/main.cc
+++ b/main.cc
@@ -458,8 +458,9 @@ int main(int, char**) {
    cycle_ = kSyncUpdate;
    std::unique_lock<std::mutex> k {cycle_mtx_};
    cycle_cv_.notify_all();
-    cycle_cv_.wait(k, []() { return cycle_ != kUpdate; });
+    cycle_cv_.wait(k, []() { return cycle_ == kUpdate; });
  }
+  assert(cycle_ == kUpdate);
  env.TearDownRoot();

  // notify other threads that the destruction is done