SL-16202: Merge branch 'sl-16220' into glthread

1 files changed, 46 insertions, 0 deletions

diff --git a/indra/llcommon/threadpool.h b/indra/llcommon/threadpool.h
new file mode 100644
index 0000000000..8f3c8514b5
--- /dev/null
+++ b/indra/llcommon/threadpool.h
@@ -0,0 +1,46 @@
+/**
+ * @file   threadpool.h
+ * @author Nat Goodspeed
+ * @date   2021-10-21
+ * @brief  ThreadPool configures a WorkQueue along with a pool of threads to
+ *         service it.
+ * 
+ * $LicenseInfo:firstyear=2021&license=viewerlgpl$
+ * Copyright (c) 2021, Linden Research, Inc.
+ * $/LicenseInfo$
+ */
+
+#if ! defined(LL_THREADPOOL_H)
+#define LL_THREADPOOL_H
+
+#include "workqueue.h"
+#include <string>
+#include <thread>
+#include <utility>                  // std::pair
+#include <vector>
+
+namespace LL
+{
+
+    class ThreadPool
+    {
+    public:
+        /**
+         * Pass ThreadPool a string name. This can be used to look up the
+         * relevant WorkQueue.
+         */
+        ThreadPool(const std::string& name, size_t threads=1);
+        ~ThreadPool();
+        void close();
+
+    private:
+        void run(const std::string& name);
+
+        WorkQueue mQueue;
+        std::string mName;
+        std::vector<std::pair<std::string, std::thread>> mThreads;
+    };
+
+} // namespace LL
+
+#endif /* ! defined(LL_THREADPOOL_H) */