[Metal] Release metal events (#2412)

* release metal events * fix * fix
2025-10-21 18:28:11 +08:00 · 2025-07-23 19:53:42 -07:00
parent d1f4d291e8
commit 4e504039f5
2 changed files with 34 additions and 17 deletions
--- a/mlx/backend/metal/event.cpp
+++ b/mlx/backend/metal/event.cpp
@@ -14,6 +14,10 @@ Event::Event(Stream stream) : stream_(stream) {
  auto p = metal::new_scoped_memory_pool();
  event_ = std::shared_ptr<void>(
      metal::device(Device::gpu).mtl_device()->newSharedEvent(), dtor);
+  if (event_ == nullptr) {
+    throw std::runtime_error(
+        "[Event::Event] Failed to create Metal shared event.");
+  }
 }

 void Event::wait() {