From 18b3e4939931c0d2bf779d2e52cb0c90e282ec97 Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Sun, 23 Mar 2025 16:59:16 +0530
Subject: Fix segfault with evaluate, add keymap accidentally popping wrong
 value

+ add demnu config.lua example
---
 src/AsyncEventLoop.cpp | 33 ++++++++++++++-------------------
 1 file changed, 14 insertions(+), 19 deletions(-)

(limited to 'src/AsyncEventLoop.cpp')

diff --git a/src/AsyncEventLoop.cpp b/src/AsyncEventLoop.cpp
index 6c9b42d..6c6333f 100644
--- a/src/AsyncEventLoop.cpp
+++ b/src/AsyncEventLoop.cpp
@@ -3,8 +3,6 @@
 #include <mutex>
 #include <queue>
 #include <thread>
-#include <utility>
-#include <uv.h>
 
 #include "AsyncEventLoop.hpp"
 
@@ -23,6 +21,8 @@ AsyncEventLoop::AsyncEventLoop() {
     std::this_thread::sleep_for(std::chrono::milliseconds(50));
 }
 
+void AsyncEventLoop::wake() { uv_async_send(&asyncHandle); }
+
 void AsyncEventLoop::processTasks() {
   std::queue<std::function<void()>> tasks;
 
@@ -41,10 +41,9 @@ void AsyncEventLoop::processTasks() {
 void AsyncEventLoop::runLoop() {
   isLoopRunning = true;
   while (isLoopRunning) {
-    /* int _result =  */ uv_run(loop, UV_RUN_NOWAIT);
-    // qDebug() << "Tasks handled:" << result;
-    // uv_print_active_handles(loop, stdout);
-    // if (result == 0)
+    // qDebug() << "loop iteration" << uv_loop_alive(loop);
+    uv_run(loop, UV_RUN_NOWAIT);
+    // qDebug() << "uv_run() returned: " << result;
     std::this_thread::sleep_for(std::chrono::milliseconds(10));
   }
 }
@@ -54,33 +53,28 @@ AsyncEventLoop::~AsyncEventLoop() {
     return;
   isLoopRunning = false;
 
-  // Clear the tasks queue
+  // Wake it up. Stab it to death. (clear async queue)
+  wake();
+  std::this_thread::sleep_for(std::chrono::milliseconds(100));
   {
     std::lock_guard<std::mutex> lock(tasksQueueMutex);
     std::queue<std::function<void()>>().swap(tasksQueue);
   }
-
-  // Wake it up. Stab it to death.
-  uv_async_send(&asyncHandle);
-  std::this_thread::sleep_for(std::chrono::milliseconds(100));
   uv_stop(loop);
 
   // Close all handles
   AsyncEventLoop::closeHandle(reinterpret_cast<uv_handle_t *>(&asyncHandle));
   uv_walk(loop, AsyncEventLoop::closeHandle, nullptr);
-  while (uv_run(loop, UV_RUN_ONCE) != 0)
-    ;
+  while (uv_run(loop, UV_RUN_NOWAIT) != 0)
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
   // TODO: Fix pending handler case (setTimeout(100) wait(20) close() -> error)
 
-  qDebug() << "join start";
   if (loopThread.joinable())
     loopThread.join();
-  qDebug() << "join done";
 
-  while (uv_loop_close(loop) == UV_EBUSY) {
-    uv_walk(loop, AsyncEventLoop::closeHandle, nullptr);
-    uv_run(loop, UV_RUN_NOWAIT);
-  }
+  while (uv_loop_close(loop))
+    uv_run(loop, UV_RUN_DEFAULT);
+
   free(loop);
   loop = nullptr;
 }
@@ -93,5 +87,6 @@ void AsyncEventLoop::asyncHandleCallback(uv_async_t *handle) {
 void AsyncEventLoop::closeHandle(uv_handle_t *handle, void *) {
   if (!uv_is_closing(handle)) {
     uv_close(handle, [](uv_handle_t *h) { h->data = nullptr; });
+    uv_unref(handle);
   }
 }
-- 
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