Merge pull request #47370 from fire/etcpak

Add thirdparty library etcpak for faster imports.

1 files changed, 34 insertions, 0 deletions

diff --git a/thirdparty/etcpak/TaskDispatch.hpp b/thirdparty/etcpak/TaskDispatch.hpp
new file mode 100644
index 0000000000..b513de4c0c
--- /dev/null
+++ b/thirdparty/etcpak/TaskDispatch.hpp
@@ -0,0 +1,34 @@
+#ifndef __DARKRL__TASKDISPATCH_HPP__
+#define __DARKRL__TASKDISPATCH_HPP__
+
+#include <atomic>
+#include <condition_variable>
+#include <functional>
+#include <mutex>
+#include <thread>
+#include <vector>
+
+class TaskDispatch
+{
+public:
+    TaskDispatch( size_t workers );
+    ~TaskDispatch();
+
+    static void Queue( const std::function<void(void)>& f );
+    static void Queue( std::function<void(void)>&& f );
+
+    static void Sync();
+
+private:
+    void Worker();
+
+    std::vector<std::function<void(void)>> m_queue;
+    std::mutex m_queueLock;
+    std::condition_variable m_cvWork, m_cvJobs;
+    std::atomic<bool> m_exit;
+    size_t m_jobs;
+
+    std::vector<std::thread> m_workers;
+};
+
+#endif