1 files changed, 31 insertions, 0 deletions
diff --git a/src/looper.hh b/src/looper.hh
new file mode 100644
index 0000000..4dfe56f
--- /dev/null
+++ b/src/looper.hh
@@ -0,0 +1,31 @@
+#ifndef LOOPER_HH
+#define LOOPER_HH
+
+#include <functional>
+
+class Looper {
+public:
+  virtual ~Looper() {}
+
+  static uint8_t const EV_READ;
+  static uint8_t const EV_WRITE;
+  static uint8_t const EV_ERR;
+
+  virtual void add(int fd, uint8_t events,
+                   std::function<void(Looper*, int, uint8_t)>
+                   const& callback) = 0;
+  virtual void modify(int fd, uint8_t events) = 0;
+  virtual void remove(int fd) = 0;
+
+  // Returned id is never 0
+  virtual uint32_t schedule(
+      double delay, std::function<void(Looper*, uint32_t)> const& callback) = 0;
+  virtual void cancel(uint32_t id) = 0;
+
+protected:
+  Looper() {}
+  Looper(Looper const&) = delete;
+  Looper& operator=(Looper const&) = delete;
+};
+
+#endif  // LOOPER_HH