[clang] [wip][Clang-Repl] Add custom function as lambda in launchExecutor and fetch PID of launched executor (PR #147478)

[Vipul Cariappa via cfe-commits]

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@@ -26,7 +26,8 @@
 
 llvm::Expected<std::unique_ptr<llvm::orc::SimpleRemoteEPC>>
 launchExecutor(llvm::StringRef ExecutablePath, bool UseSharedMemory,
-               llvm::StringRef SlabAllocateSizeString);
+               llvm::StringRef SlabAllocateSizeString,
+               std::function<void()> CustomizeFork = nullptr);
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Vipul-Cariappa wrote:

Maybe we want a comment somewhere explaining the use case of `CustomizeFork`.

https://github.com/llvm/llvm-project/pull/147478