Upload Kmake

test/addons/uv-handle-leak/binding.cc

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+#include <node.h>
+#include <v8.h>
+#include <uv.h>
+
+using v8::Context;
+using v8::FunctionCallbackInfo;
+using v8::Isolate;
+using v8::Local;
+using v8::Value;
+
+// Give these things names in the public namespace so that we can see
+// them show up in symbol dumps.
+void CloseCallback(uv_handle_t* handle) {}
+
+class ExampleOwnerClass {
+ public:
+  virtual ~ExampleOwnerClass();
+};
+
+// Do not inline this into the class, because that may remove the virtual
+// table when LTO is used, and with it the symbol for which we grep the process
+// output in test/abort/test-addon-uv-handle-leak.
+// When the destructor is not inlined, the compiler will have to assume that it,
+// and the vtable, is part of what this compilation unit exports, and keep them.
+ExampleOwnerClass::~ExampleOwnerClass() {}
+
+ExampleOwnerClass example_instance;
+
+void LeakHandle(const FunctionCallbackInfo<Value>& args) {
+  Isolate* isolate = args.GetIsolate();
+  Local<Context> context = isolate->GetCurrentContext();
+  uv_loop_t* loop = node::GetCurrentEventLoop(isolate);
+  assert(loop != nullptr);
+
+  uv_timer_t* leaked_timer = new uv_timer_t;
+  leaked_timer->close_cb = CloseCallback;
+
+  if (args[0]->IsNumber()) {
+    leaked_timer->data =
+        reinterpret_cast<void*>(args[0]->IntegerValue(context).FromJust());
+  } else {
+    leaked_timer->data = &example_instance;
+  }
+
+  uv_timer_init(loop, leaked_timer);
+  uv_timer_start(leaked_timer, [](uv_timer_t*){}, 1000, 1000);
+  uv_unref(reinterpret_cast<uv_handle_t*>(leaked_timer));
+}
+
+// This module gets loaded multiple times in some tests so it must support that.
+NODE_MODULE_INIT(/*exports, module, context*/) {
+  NODE_SET_METHOD(exports, "leakHandle", LeakHandle);
+}

test/addons/uv-handle-leak/binding.gyp

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+{
+  'targets': [
+    {
+      'target_name': 'binding',
+      'sources': [ 'binding.cc' ],
+      'includes': ['../common.gypi'],
+    }
+  ]
+}

test/addons/uv-handle-leak/test.js

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+'use strict';
+const common = require('../../common');
+const bindingPath = require.resolve(`./build/${common.buildType}/binding`);
+const binding = require(bindingPath);
+
+// This tests checks that addons may leak libuv handles until process exit.
+// It’s really not a good idea to do so, but it tests existing behaviour
+// that likely can never be removed for backwards compatibility.
+
+// This has a sibling test in test/abort/ which checks output for failures
+// from workers.
+
+try {
+  // We don’t want to run this in Workers because they do actually enforce
+  // a clean-exit policy.
+  const { isMainThread } = require('worker_threads');
+  if (!isMainThread)
+    common.skip('Cannot run test in environment with clean-exit policy');
+} catch {
+  // Continue regardless of error.
+}
+
+binding.leakHandle();
+binding.leakHandle(0);
+binding.leakHandle(1);