================
@@ -326,8 +326,12 @@ 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()));
- launch_info.AppendDuplicateFileAction((int64_t)shared_socket.GetSendableFD(),
-
(int64_t)shared_socket.GetSendableFD());
+#ifdef _WIN32
+ int fd = _open_osfhandle((intptr_t)shared_socket.GetSendableFD(), NULL);
----------------
slydiman wrote:
BTW, ProcessLauncherWindows::LaunchProcess() has no fork() and cannot execute
any code in the child process. It just collecting HANDLEs and pass them to
UpdateProcThreadAttribute(). The socket handle duplicating is executed in
SharedSocket::CompleteSending().
https://github.com/llvm/llvm-project/pull/179274
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