================
@@ -274,10 +274,8 @@ static Status spawn_process(const char *progname, const
FileSpec &prog,
self_args.AppendArgument(llvm::StringRef("platform"));
self_args.AppendArgument(llvm::StringRef("--child-platform-fd"));
self_args.AppendArgument(llvm::to_string(shared_socket.GetSendableFD()));
-#ifndef _WIN32
launch_info.AppendDuplicateFileAction((int)shared_socket.GetSendableFD(),
(int)shared_socket.GetSendableFD());
----------------
labath wrote:
It's definitely not the most elegant piece of code I've written, but it does
work. A HANDLE is not a real pointer anyway -- just an OS-assigned identifier
that they chose to stick in a void*. I'm not sure how it gets chosen, but in my
experiments all of the values were low integer values (<=1k). I've been
planning to follow this up with a change to make ProcessLaunchInfo accept
64-bit integers, which should make it safer (and avoid the warnings about casts
of pointers to ints of different size). We can definitely also do it
beforehand, but I wanted to get this out to see what you think of the overall
approach.
https://github.com/llvm/llvm-project/pull/137978
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