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Fixed possible memory order bug #84

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Fixed possible memory order bug #84

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9 changes: 7 additions & 2 deletions BS_thread_pool.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -429,6 +429,8 @@ class [[nodiscard]] thread_pool
const std::scoped_lock tasks_lock(tasks_mutex);
tasks.push(task_function);
}

const std::lock_guard tasks_lock(tasks_mutex);
++tasks_total;
task_available_cv.notify_one();
}
Expand Down Expand Up @@ -535,8 +537,11 @@ class [[nodiscard]] thread_pool
*/
void destroy_threads()
{
running = false;
task_available_cv.notify_all();
{
const std::lock_guard tasks_locker(tasks_mutex);
running = false;
task_available_cv.notify_all();
}
for (concurrency_t i = 0; i < thread_count; ++i)
{
threads[i].join();
Expand Down
9 changes: 7 additions & 2 deletions BS_thread_pool_light.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,8 @@ class [[nodiscard]] thread_pool_light
const std::scoped_lock tasks_lock(tasks_mutex);
tasks.push(task_function);
}

const std::lock_guard tasks_lock(tasks_mutex);
++tasks_total;
task_available_cv.notify_one();
}
Expand Down Expand Up @@ -221,8 +223,11 @@ class [[nodiscard]] thread_pool_light
*/
void destroy_threads()
{
running = false;
task_available_cv.notify_all();
{
const std::lock_guard tasks_locker( tasks_mutex );
running = false;
task_available_cv.notify_all();
}
for (concurrency_t i = 0; i < thread_count; ++i)
{
threads[i].join();
Expand Down