mgorny added inline comments.

================
Comment at: lldb/include/lldb/Host/common/NativeProcessProtocol.h:226
+    NewSubprocess(NativeProcessProtocol *parent_process,
+                  std::unique_ptr<NativeProcessProtocol> &child_process) = 0;
   };
----------------
labath wrote:
> That way, the delegate _must_ do something with the child process.
Indeed, it must. Unfortunately, this breaks `MockDelegate`:

```
/home/mgorny/git/llvm-project/lldb/unittests/TestingSupport/Host/NativeProcessTestUtils.h:
 In member function ‘virtual testing::internal::Function<void()>::Result 
lldb_private::MockDelegate::NewSubprocess(testing::internal::Function<void(lldb_private::NativeProcessProtocol*)>::Argument1,
 testing::internal::Function<void(lldb_private::NativeProcessProtocol*, 
std::unique_ptr<lldb_private::NativeProcessProtocol>)>::Argument2)’:
/home/mgorny/git/llvm-project/llvm/utils/unittest/googlemock/include/gmock/gmock-generated-function-mockers.h:405:73:
 error: use of deleted function ‘std::unique_ptr<_Tp, _Dp>::unique_ptr(const 
std::unique_ptr<_Tp, _Dp>&) [with _Tp = lldb_private::NativeProcessProtocol; 
_Dp = std::default_delete<lldb_private::NativeProcessProtocol>]’
  405 |     return GMOCK_MOCKER_(2, constness, Method).Invoke(gmock_a1, 
gmock_a2); \
      |                                                                         
^
/home/mgorny/git/llvm-project/llvm/utils/unittest/googlemock/include/gmock/gmock-generated-function-mockers.h:679:30:
 note: in expansion of macro ‘GMOCK_METHOD2_’
  679 | #define MOCK_METHOD2(m, ...) GMOCK_METHOD2_(, , , m, __VA_ARGS__)
      |                              ^~~~~~~~~~~~~~
/home/mgorny/git/llvm-project/lldb/unittests/TestingSupport/Host/NativeProcessTestUtils.h:28:3:
 note: in expansion of macro ‘MOCK_METHOD2’
   28 |   MOCK_METHOD2(NewSubprocess,
      |   ^~~~~~~~~~~~
[...]
```

and then there are a few pages of errors.


================
Comment at: 
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp:3199
 
   StopSTDIOForwarding();
 
----------------
Hmm, I suppose this should only happen if we're detaching all processes, or...?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100191/new/

https://reviews.llvm.org/D100191

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