diff --git a/lldb/tools/lldb-vscode/lldb-vscode.cpp b/lldb/tools/lldb-vscode/lldb-vscode.cpp
--- a/lldb/tools/lldb-vscode/lldb-vscode.cpp
+++ b/lldb/tools/lldb-vscode/lldb-vscode.cpp
@@ -1200,11 +1200,13 @@
   // executable when attaching to a process by process ID in a "attach"
   // request.
   FILE *out = llvm::sys::RetryAfterSignal(nullptr, fopen, dev_null_path, "w");
-  if (out) {
-    // Set the output and error file handles to redirect into nothing otherwise
+  if (out && !g_vsc.input.descriptor.m_is_socket) {
+    // If the input and output descriptors are STDIN and STDOUT then we need to
+    // set the output and error file handles to redirect into nothing otherwise
     // if any code in LLDB prints to the debugger file handles, the output and
     // error file handles are initialized to STDOUT and STDERR and any output
-    // will kill our debug session.
+    // will kill our debug session. However, if the communication is via sockets
+    // then we can leave these open.
     g_vsc.debugger.SetOutputFileHandle(out, true);
     g_vsc.debugger.SetErrorFileHandle(out, false);
   }