1 files changed, 45 insertions, 0 deletions
diff --git a/event_loop.h b/event_loop.h
new file mode 100644
index 0000000..003c3d8
--- /dev/null
+++ b/event_loop.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2020, Google Inc.
+ *
+ * event_loop.h - Event loop based on cam's
+ */
+#ifndef __SIMPLE_CAM_EVENT_LOOP_H__
+#define __SIMPLE_CAM_EVENT_LOOP_H__
+
+#include <atomic>
+#include <functional>
+#include <list>
+#include <mutex>
+
+struct event_base;
+
+class EventLoop
+{
+public:
+	EventLoop();
+	~EventLoop();
+
+	void exit(int code = 0);
+	int exec();
+
+	void timeout(unsigned int sec);
+	void callLater(const std::function<void()> &func);
+
+private:
+	static EventLoop *instance_;
+
+	static void timeoutTriggered(int fd, short event, void *arg);
+
+	struct event_base *event_;
+	std::atomic<bool> exit_;
+	int exitCode_;
+
+	std::list<std::function<void()>> calls_;
+	std::mutex lock_;
+
+	void interrupt();
+	void dispatchCalls();
+};
+
+#endif /* __SIMPLE_CAM_EVENT_LOOP_H__ */