2 files changed, 16 insertions, 4 deletions
diff --git a/include/cru/base/platform/unix/EventLoop.h b/include/cru/base/platform/unix/EventLoop.h
index b735ef26..784cb780 100644
--- a/include/cru/base/platform/unix/EventLoop.h
+++ b/include/cru/base/platform/unix/EventLoop.h
@@ -1,6 +1,5 @@
 #pragma once
 
-#include <optional>
 #if !defined(__unix) && !defined(__APPLE__)
 #error "This file can only be included on unix."
 #endif
@@ -9,9 +8,12 @@
 #include "../../Exception.h"
 #include "UnixFile.h"
 
+#include <poll.h>
 #include <unistd.h>
 #include <chrono>
+#include <optional>
 #include <thread>
+#include <utility>
 
 namespace cru::platform::unix {
 class UnixTimerFile : public Object2 {
@@ -84,13 +86,19 @@ class UnixEventLoop : public Object2 {
           action(std::move(action)) {}
   };
 
-private:
+ private:
+  bool CheckPoll();
+  bool CheckTimer();
   bool ReadTimerPipe();
 
-private:  
-
+ private:
   std::thread::id running_thread_;
 
+  std::vector<pollfd> polls_;
+  std::vector<
+      std::function<void(decltype(std::declval<pollfd>().revents) revent)>>
+      poll_actions_;
+
   std::atomic_int timer_tag_;
   std::vector<TimerData> timers_;
 
diff --git a/include/cru/base/platform/unix/UnixFile.h b/include/cru/base/platform/unix/UnixFile.h
index a5f1eb81..5754b07b 100644
--- a/include/cru/base/platform/unix/UnixFile.h
+++ b/include/cru/base/platform/unix/UnixFile.h
@@ -41,6 +41,10 @@ class UnixFileDescriptor {
    * If O_NONBLOCK is set and EAGAIN or EWOULDBLOCK is returned, -1 is returned.
    */
   ssize_t Read(void* buffer, size_t size);
+  /**
+   * If O_NONBLOCK is set and EAGAIN or EWOULDBLOCK is returned, -1 is returned.
+   */
+  ssize_t Write(const void* buffer, size_t size);
   void SetFileDescriptorFlags(int flags);
 
  private: