================
@@ -0,0 +1,110 @@
+//===-- MemoryMonitor.cpp 
-------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM 
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Host/MemoryMonitor.h"
+#include "lldb/Host/HostThread.h"
+#include "lldb/Host/ThreadLauncher.h"
+#include "lldb/Utility/LLDBLog.h"
+#include "lldb/Utility/Log.h"
+#include "llvm/ADT/ScopeExit.h"
+#include "llvm/Support/Error.h"
+#include <atomic>
+#include <cstddef>
+#include <cstdio>
+#include <cstring>
+
+#if defined(__linux__)
+#include <fcntl.h>
+#include <poll.h>
+#include <unistd.h>
+#endif
+
+#if defined(_WIN32)
+#include <memoryapi.h>
+#include <synchapi.h>
+#endif
+
+using namespace lldb_private;
+
+class MemoryMonitorPoll : public MemoryMonitor {
+public:
+  using MemoryMonitor::MemoryMonitor;
+
+  lldb::thread_result_t MonitorThread() {
+#if defined(__linux__)
+    struct pollfd fds;
----------------
walter-erquinigo wrote:

do you need to zero out this struct?

https://github.com/llvm/llvm-project/pull/129332
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