[all-commits] [llvm/llvm-project] 58279d: [lldb] Synchronize the debuggers output & error st...

[Jonas Devlieghere via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 58279d1ee1b567e8ca793d6d1eb6e0f1d5e7279e
      https://github.com/llvm/llvm-project/commit/58279d1ee1b567e8ca793d6d1eb6e0f1d5e7279e
  Author: Jonas Devlieghere <jonas at devlieghere.com>
  Date:   2025-02-19 (Wed, 19 Feb 2025)

  Changed paths:
    M lldb/include/lldb/Core/Debugger.h
    M lldb/include/lldb/Core/IOHandler.h
    M lldb/include/lldb/Host/Editline.h
    M lldb/include/lldb/Host/File.h
    M lldb/include/lldb/Host/StreamFile.h
    M lldb/include/lldb/Interpreter/ScriptInterpreter.h
    M lldb/include/lldb/lldb-forward.h
    M lldb/source/Commands/CommandObjectBreakpointCommand.cpp
    M lldb/source/Commands/CommandObjectCommands.cpp
    M lldb/source/Commands/CommandObjectExpression.cpp
    M lldb/source/Commands/CommandObjectTarget.cpp
    M lldb/source/Commands/CommandObjectType.cpp
    M lldb/source/Commands/CommandObjectWatchpointCommand.cpp
    M lldb/source/Core/Debugger.cpp
    M lldb/source/Core/IOHandler.cpp
    M lldb/source/Core/IOHandlerCursesGUI.cpp
    M lldb/source/Expression/REPL.cpp
    M lldb/source/Host/common/Editline.cpp
    M lldb/source/Interpreter/CommandInterpreter.cpp
    M lldb/source/Interpreter/ScriptInterpreter.cpp
    M lldb/source/Plugins/ScriptInterpreter/Lua/ScriptInterpreterLua.cpp
    M lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
    M lldb/unittests/Editline/EditlineTest.cpp

  Log Message:
  -----------
  [lldb] Synchronize the debuggers output & error streams

This patch improves the synchronization of the debugger's output and error
streams using two new abstractions: `LockableStreamFile` and
`LockedStreamFile`.

 - `LockableStreamFile` is a wrapper around a `StreamFile` and a mutex. Client
   cannot use the `StreamFile` without calling `Lock`, which returns a
   `LockedStreamFile`.

 - `LockedStreamFile` is an RAII object that locks the stream for the duration
   of its existence.  As long as you hold on to the returned object you are
   permitted to write to the stream. The destruction of the object
   automatically flush the output stream.



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