1 files changed, 18 insertions, 0 deletions
diff --git a/src/stream_wrap.h b/src/stream_wrap.h
index a97e8ba10f..7847ebe754 100644
--- a/src/stream_wrap.h
+++ b/src/stream_wrap.h
@@ -88,6 +88,14 @@ class LibuvStreamWrap : public HandleWrap, public StreamBase {
                          v8::Local<v8::FunctionTemplate> target,
                          int flags = StreamBase::kFlagNone);
 
+ protected:
+  inline void set_fd(int fd) {
+#ifdef _WIN32
+    fd_ = fd;
+#endif
+  }
+
+
  private:
   static void GetWriteQueueSize(
       const v8::FunctionCallbackInfo<v8::Value>& info);
@@ -101,6 +109,16 @@ class LibuvStreamWrap : public HandleWrap, public StreamBase {
   static void AfterUvShutdown(uv_shutdown_t* req, int status);
 
   uv_stream_t* const stream_;
+
+#ifdef _WIN32
+  // We don't always have an FD that we could look up on the stream_
+  // object itself on Windows. However, for some cases, we open handles
+  // using FDs; In that case, we can store and provide the value.
+  // This became necessary because it allows to detect situations
+  // where multiple handles refer to the same stdio FDs (in particular,
+  // a possible IPC channel and a regular process.std??? stream).
+  int fd_ = -1;
+#endif
 };