1 files changed, 29 insertions, 0 deletions
diff --git a/src/discord/waiter.hpp b/src/discord/waiter.hpp
new file mode 100644
index 0000000..0d5ae92
--- /dev/null
+++ b/src/discord/waiter.hpp
@@ -0,0 +1,29 @@
+#pragma once
+#include <chrono>
+#include <condition_variable>
+#include <mutex>
+
+class Waiter {
+public:
+    template<class R, class P>
+    bool wait_for(std::chrono::duration<R, P> const &time) const {
+        std::unique_lock<std::mutex> lock(m);
+        return !cv.wait_for(lock, time, [&] { return terminate; });
+    }
+
+    void kill() {
+        std::unique_lock<std::mutex> lock(m);
+        terminate = true;
+        cv.notify_all();
+    }
+
+    void revive() {
+        std::unique_lock<std::mutex> lock(m);
+        terminate = false;
+    }
+
+private:
+    mutable std::condition_variable cv;
+    mutable std::mutex m;
+    bool terminate = false;
+};