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Fix thread pool shutdown race

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
Antonio S. Musumeci 2026-04-10 14:18:02 -04:00
parent 462020d19a
commit d1bcde3753
1 changed files with 4 additions and 3 deletions
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7
vendored/libfuse/include/thread_pool.hpp
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@ -686,12 +686,13 @@ inline
void
ThreadPool::_remove_self(pthread_t t_)
{
// During shutdown the destructor owns all joins; don't detach.
mutex_lockguard(_threads_mutex);
// Check _stop under the lock so the destructor can't snapshot this
// thread for joining and then race with us detaching ourselves.
if(_stop.load(std::memory_order_acquire))
return;
mutex_lockguard(_threads_mutex);
auto it = std::find(_threads.begin(),_threads.end(),t_);
if(it != _threads.end())
{