Forwards lldb's STDIN to the inferior's pty (or anything writable) and supports asynchronous interrupt via an internal pipe. More...

#include <ProcessIOHandler.h>

Inheritance diagram for lldb_private::IOHandlerProcessSTDIO:

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Public Member Functions
	IOHandlerProcessSTDIO (Process *process, int write_fd)
	~IOHandlerProcessSTDIO () override=default
void	SetIsRunning (bool running)
void	Run () override
void	Cancel () override
bool	Interrupt () override
void	GotEOF () override
Public Member Functions inherited from lldb_private::IOHandler
	IOHandler (Debugger &debugger, IOHandler::Type type)
	IOHandler (Debugger &debugger, IOHandler::Type type, const lldb::FileSP &input_sp, const lldb::LockableStreamFileSP &output_sp, const lldb::LockableStreamFileSP &error_sp, uint32_t flags)
virtual	~IOHandler ()
bool	IsActive ()
void	SetIsDone (bool b)
bool	GetIsDone ()
Type	GetType () const
virtual void	Activate ()
virtual void	Deactivate ()
virtual void	TerminalSizeChanged ()
virtual void	Refresh ()
virtual const char *	GetPrompt ()
virtual bool	SetPrompt (llvm::StringRef prompt)
virtual bool	SetUseColor (bool use_color)
bool	SetPrompt (const char *)=delete
virtual llvm::StringRef	GetControlSequence (char ch)
virtual const char *	GetCommandPrefix ()
virtual const char *	GetHelpPrologue ()
int	GetInputFD ()
int	GetOutputFD ()
int	GetErrorFD ()
lldb::FileSP	GetInputFileSP ()
lldb::LockableStreamFileSP	GetOutputStreamFileSP ()
lldb::LockableStreamFileSP	GetErrorStreamFileSP ()
Debugger &	GetDebugger ()
void *	GetUserData ()
void	SetUserData (void *user_data)
Flags &	GetFlags ()
const Flags &	GetFlags () const
bool	GetIsInteractive ()
	Check if the input is being supplied interactively by a user.
bool	GetIsRealTerminal ()
	Check if the input is coming from a real terminal.
void	SetPopped (bool b)
void	WaitForPop ()
virtual void	PrintAsync (const char *s, size_t len, bool is_stdout)

Protected Attributes
Process *	m_process
NativeFile	m_read_file
	Read from this file (usually actual STDIN for LLDB)
NativeFile	m_write_file
	Write to this file (usually the primary pty for getting io to debuggee)
Pipe	m_pipe
std::mutex	m_mutex
bool	m_is_running = false
Protected Attributes inherited from lldb_private::IOHandler
Debugger &	m_debugger
lldb::FileSP	m_input_sp
lldb::LockableStreamFileSP	m_output_sp
lldb::LockableStreamFileSP	m_error_sp
Predicate< bool >	m_popped
Flags	m_flags
Type	m_type
void *	m_user_data
bool	m_done
bool	m_active

Additional Inherited Members
Public Types inherited from lldb_private::IOHandler
enum class	Type { CommandInterpreter , CommandList , Confirm , Curses , Expression , REPL , ProcessIO , PythonInterpreter , LuaInterpreter , PythonCode , Other }

Detailed Description

Forwards lldb's STDIN to the inferior's pty (or anything writable) and supports asynchronous interrupt via an internal pipe.

Used on POSIX hosts and as a no-op stub on Windows.

Definition at line 22 of file ProcessIOHandler.h.

Constructor & Destructor Documentation

◆ IOHandlerProcessSTDIO()

IOHandlerProcessSTDIO::IOHandlerProcessSTDIO	(	Process *	process,
		int	write_fd )

Definition at line 22 of file ProcessIOHandler.cpp.

References lldb_private::IOHandler::GetDebugger(), lldb_private::IOHandler::GetInputFD(), lldb_private::IOHandler::IOHandler(), m_pipe, m_process, m_read_file, m_write_file, and lldb_private::IOHandler::ProcessIO.

◆ ~IOHandlerProcessSTDIO()

lldb_private::IOHandlerProcessSTDIO::~IOHandlerProcessSTDIO ( )

overridedefault

Member Function Documentation

◆ Cancel()

void IOHandlerProcessSTDIO::Cancel ( )

overridevirtual

Implements lldb_private::IOHandler.

Definition at line 100 of file ProcessIOHandler.cpp.

References lldb_private::GetLog(), LLDB_LOG_ERROR, m_is_running, m_mutex, m_pipe, lldb_private::Process, and lldb_private::IOHandler::SetIsDone().

◆ GotEOF()

void lldb_private::IOHandlerProcessSTDIO::GotEOF ( )

inlineoverridevirtual

Implements lldb_private::IOHandler.

Definition at line 36 of file ProcessIOHandler.h.

◆ Interrupt()

bool IOHandlerProcessSTDIO::Interrupt ( )

overridevirtual

Implements lldb_private::IOHandler.

Definition at line 123 of file ProcessIOHandler.cpp.

References lldb_private::IOHandler::m_active, m_pipe, m_process, and lldb_private::StateIsRunningState().

◆ Run()

void IOHandlerProcessSTDIO::Run ( )

overridevirtual

◆ SetIsRunning()

void IOHandlerProcessSTDIO::SetIsRunning ( bool running )

Definition at line 30 of file ProcessIOHandler.cpp.

References m_is_running, m_mutex, and lldb_private::IOHandler::SetIsDone().

Referenced by Run().

Member Data Documentation

◆ m_is_running

bool lldb_private::IOHandlerProcessSTDIO::m_is_running = false

protected

Definition at line 46 of file ProcessIOHandler.h.

Referenced by Cancel(), and SetIsRunning().

◆ m_mutex

std::mutex lldb_private::IOHandlerProcessSTDIO::m_mutex

protected

Definition at line 45 of file ProcessIOHandler.h.

Referenced by Cancel(), Run(), and SetIsRunning().

◆ m_pipe

Pipe lldb_private::IOHandlerProcessSTDIO::m_pipe

protected

Definition at line 44 of file ProcessIOHandler.h.

Referenced by Cancel(), Interrupt(), IOHandlerProcessSTDIO(), and Run().

◆ m_process

Process* lldb_private::IOHandlerProcessSTDIO::m_process

protected

Definition at line 39 of file ProcessIOHandler.h.

Referenced by Interrupt(), IOHandlerProcessSTDIO(), and Run().

◆ m_read_file

NativeFile lldb_private::IOHandlerProcessSTDIO::m_read_file

protected

Read from this file (usually actual STDIN for LLDB)

Definition at line 41 of file ProcessIOHandler.h.

Referenced by IOHandlerProcessSTDIO(), and Run().

◆ m_write_file

NativeFile lldb_private::IOHandlerProcessSTDIO::m_write_file

protected

Write to this file (usually the primary pty for getting io to debuggee)

Definition at line 43 of file ProcessIOHandler.h.

Referenced by IOHandlerProcessSTDIO(), and Run().

The documentation for this class was generated from the following files:

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ IOHandlerProcessSTDIO()

◆ ~IOHandlerProcessSTDIO()

Member Function Documentation

◆ Cancel()

◆ GotEOF()

◆ Interrupt()

◆ Run()

◆ SetIsRunning()

Member Data Documentation

◆ m_is_running

◆ m_mutex

◆ m_pipe

◆ m_process

◆ m_read_file

◆ m_write_file