labath added inline comments.

================
Comment at: lldb/tools/driver/Driver.cpp:673-674
+static void sigtstp_handler(int signo) {
   if (g_driver != nullptr)
     g_driver->GetDebugger().SaveInputTerminalState();
 
----------------
JDevlieghere wrote:
> I see an opportunity for a little RAII helper.
What kind of a helper did you have in mind? Practically the entire function 
consists of setup and teardown in preparation for the `raise(signo)` call. If I 
wanted to be fancy I could put all of that in a helper, but I don't think that 
would make it cleaner. Plus, we also need to be careful about the functions we 
call from a signal handler, and I really don't know whether e.g. 
`llvm::make_scope_exit` is guaranteed to not allocate (heap) memory.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D120320/new/

https://reviews.llvm.org/D120320

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