From d50e027402eb0c4f31ad9c2be53f5ddc48ca16f9 Mon Sep 17 00:00:00 2001
From: Tae Won Ha <h@taewon.de>
Date: Sun, 1 Jul 2018 14:27:56 +0200
Subject: [PATCH] Open cli pipe file as read-write

- When vimr is `Ctrl-C`'ed, then O_WRONLY hangs.
---
 VimR/VimR/MainWindow+Delegates.swift | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/VimR/VimR/MainWindow+Delegates.swift b/VimR/VimR/MainWindow+Delegates.swift
index 9ff34309..d944ce99 100644
--- a/VimR/VimR/MainWindow+Delegates.swift
+++ b/VimR/VimR/MainWindow+Delegates.swift
@@ -26,16 +26,18 @@ extension MainWindow {
     self.set(dirtyStatus: false)
     self.emit(self.uuidAction(for: .close))
 
-    if let cliPipePath = self.cliPipePath {
-      let fd = Darwin.open(cliPipePath, O_WRONLY)
-      guard fd != -1 else {
-        return
-      }
-
-      let handle = FileHandle(fileDescriptor: fd)
-      handle.closeFile()
-      _ = Darwin.close(fd)
+    guard let cliPipePath = self.cliPipePath, FileManager.default.fileExists(atPath: cliPipePath) else {
+      return
     }
+
+    let fd = Darwin.open(cliPipePath, O_RDWR)
+    guard fd != -1 else {
+      return
+    }
+
+    let handle = FileHandle(fileDescriptor: fd)
+    handle.closeFile()
+    _ = Darwin.close(fd)
   }
 
   func set(title: String) {