[Lldb-commits] [lldb] [lldb] Add target groups for related targets (PR #229180)

[via lldb-commits]

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@@ -0,0 +1,75 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_TARGET_TARGETGROUP_H
+#define LLDB_TARGET_TARGETGROUP_H
+
+#include "lldb/lldb-forward.h"
+
+#include <memory>
+#include <mutex>
+#include <utility>
+#include <vector>
+
+namespace lldb_private {
+
+/// Describes the part a target plays in a target group.
+enum class TargetRole {
+  None = 0,
+  CPU,
+  Accelerator,
+};
+
+/// A group of related targets and the roles they play in that relationship.
+/// Groups are created and owned by a Debugger's TargetGroupList. Deleting a
+/// group makes any retained shared pointer inactive.
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jimingham wrote:

Oh, I think you mean that if the Weak Pointer in one of thTargets in a TargetGroup returns nullptr from `lock()` then we'll won't return it (probably should just prune it internally when this happens because it's not coming back...

https://github.com/llvm/llvm-project/pull/229180