LLDB: lldb_private::MainLoopPosix Class Reference

LLDB mainline

#include <MainLoopPosix.h>

Inheritance diagram for lldb_private::MainLoopPosix:

Classes
class	RunImpl
class	SignalHandle
struct	SignalInfo

Public Types
typedef std::unique_ptr< SignalHandle >	SignalHandleUP
Public Types inherited from lldb_private::MainLoopBase
using	TimePoint
typedef std::unique_ptr< ReadHandle >	ReadHandleUP
typedef std::function< void(MainLoopBase &)>	Callback

Public Member Functions
	MainLoopPosix ()
	~MainLoopPosix () override
ReadHandleUP	RegisterReadObject (const lldb::IOObjectSP &object_sp, const Callback &callback, Status &error) override
SignalHandleUP	RegisterSignal (int signo, const Callback &callback, Status &error)
Status	Run () override
Public Member Functions inherited from lldb_private::MainLoopBase
	MainLoopBase ()
virtual	~MainLoopBase ()=default
bool	AddPendingCallback (const Callback &callback)
bool	AddCallback (const Callback &callback, std::chrono::nanoseconds delay)
bool	AddCallback (const Callback &callback, TimePoint point)
virtual void	RequestTermination ()

Protected Member Functions
void	UnregisterReadObject (IOObject::WaitableHandle handle) override
void	UnregisterSignal (int signo, std::list< Callback >::iterator callback_it)
bool	Interrupt () override
	Interrupt the loop that is currently waiting for events.
Protected Member Functions inherited from lldb_private::MainLoopBase
ReadHandleUP	CreateReadHandle (const lldb::IOObjectSP &object_sp)
void	ProcessCallbacks ()
std::optional< TimePoint >	GetNextWakeupTime ()

Private Member Functions
void	ProcessReadObject (IOObject::WaitableHandle handle)
void	ProcessSignal (int signo)
void	ProcessSignals ()

Private Attributes
llvm::DenseMap< IOObject::WaitableHandle, Callback >	m_read_fds
llvm::DenseMap< int, SignalInfo >	m_signals
Pipe	m_interrupt_pipe
std::atomic< bool >	m_interrupting = false

Additional Inherited Members
Protected Attributes inherited from lldb_private::MainLoopBase
std::mutex	m_callback_mutex
std::priority_queue< std::pair< TimePoint, Callback >, std::vector< std::pair< TimePoint, Callback > >, llvm::on_first< std::greater< TimePoint > > >	m_callbacks
bool	m_terminate_request: 1

Detailed Description

Definition at line 27 of file MainLoopPosix.h.

Member Typedef Documentation

◆ SignalHandleUP

typedef std::unique_ptr<SignalHandle> lldb_private::MainLoopPosix::SignalHandleUP

Definition at line 32 of file MainLoopPosix.h.

Constructor & Destructor Documentation

◆ MainLoopPosix()

MainLoopPosix::MainLoopPosix ( )

Definition at line 210 of file MainLoopPosix.cpp.

References error(), m_interrupt_pipe, m_read_fds, lldb_private::MainLoopBase::MainLoopBase(), O_NONBLOCK, and UNUSED_IF_ASSERT_DISABLED.

Referenced by lldb_private::MainLoopPosix::RunImpl::RunImpl().

◆ ~MainLoopPosix()

MainLoopPosix::~MainLoopPosix ( )

override

Definition at line 238 of file MainLoopPosix.cpp.

References m_interrupt_pipe, m_read_fds, and m_signals.

Member Function Documentation

◆ Interrupt()

bool MainLoopPosix::Interrupt ( )

overrideprotectedvirtual

Interrupt the loop that is currently waiting for events.

Return true if the interrupt succeeded, false if it failed.

Implements lldb_private::MainLoopBase.

Definition at line 390 of file MainLoopPosix.cpp.

References m_interrupt_pipe, and m_interrupting.

◆ ProcessReadObject()

void MainLoopPosix::ProcessReadObject ( IOObject::WaitableHandle handle )

private

Definition at line 357 of file MainLoopPosix.cpp.

References m_read_fds.

◆ ProcessSignal()

void MainLoopPosix::ProcessSignal ( int signo )

private

Definition at line 378 of file MainLoopPosix.cpp.

References m_signals.

Referenced by ProcessSignals().

◆ ProcessSignals()

void MainLoopPosix::ProcessSignals ( )

private

Definition at line 363 of file MainLoopPosix.cpp.

References g_signal_info, m_signals, lldb_private::MainLoopBase::m_terminate_request, and ProcessSignal().

Referenced by Run().

◆ RegisterReadObject()

MainLoopPosix::ReadHandleUP MainLoopPosix::RegisterReadObject	(	const lldb::IOObjectSP &	object_sp,
		const Callback &	callback,
		Status &	error )

overridevirtual

Implements lldb_private::MainLoopBase.

Definition at line 249 of file MainLoopPosix.cpp.

References lldb_private::MainLoopBase::CreateReadHandle(), error(), lldb_private::Status::FromErrorString(), lldb_private::Status::FromErrorStringWithFormat(), and m_read_fds.

Referenced by lldb_private::transport::IOTransport< Proto >::RegisterMessageHandler().

◆ RegisterSignal()

MainLoopPosix::SignalHandleUP MainLoopPosix::RegisterSignal	(	int	signo,
		const Callback &	callback,
		Status &	error )

Definition at line 271 of file MainLoopPosix.cpp.

References lldb_private::MainLoopPosix::SignalInfo::callbacks, error(), g_signal_info, m_interrupt_pipe, m_signals, lldb_private::MainLoopPosix::SignalInfo::old_action, SignalHandler(), UNUSED_IF_ASSERT_DISABLED, and lldb_private::MainLoopPosix::SignalInfo::was_blocked.

Referenced by lldb_private::process_aix::NativeProcessAIX::Manager::Manager(), lldb_private::process_linux::NativeProcessLinux::Manager::Manager(), lldb_private::process_freebsd::NativeProcessFreeBSD::NativeProcessFreeBSD(), and lldb_private::process_netbsd::NativeProcessNetBSD::NativeProcessNetBSD().

◆ Run()

Status MainLoopPosix::Run ( )

overridevirtual

Reimplemented from lldb_private::MainLoopBase.

Definition at line 336 of file MainLoopPosix.cpp.

References error(), m_interrupting, lldb_private::MainLoopBase::m_terminate_request, lldb_private::MainLoopPosix::RunImpl::Poll(), lldb_private::MainLoopBase::ProcessCallbacks(), lldb_private::MainLoopPosix::RunImpl::ProcessReadEvents(), ProcessSignals(), and lldb_private::Status.

Referenced by lldb_private::Socket::Accept().

◆ UnregisterReadObject()

void MainLoopPosix::UnregisterReadObject ( IOObject::WaitableHandle handle )

overrideprotectedvirtual

Implements lldb_private::MainLoopBase.

Definition at line 306 of file MainLoopPosix.cpp.

References m_read_fds, and UNUSED_IF_ASSERT_DISABLED.

◆ UnregisterSignal()

void MainLoopPosix::UnregisterSignal	(	int	signo,
		std::list< Callback >::iterator	callback_it )

protected

Definition at line 312 of file MainLoopPosix.cpp.

References g_signal_info, m_signals, and UNUSED_IF_ASSERT_DISABLED.

Member Data Documentation

◆ m_interrupt_pipe

Pipe lldb_private::MainLoopPosix::m_interrupt_pipe

private

Definition at line 91 of file MainLoopPosix.h.

Referenced by Interrupt(), MainLoopPosix(), RegisterSignal(), and ~MainLoopPosix().

◆ m_interrupting

std::atomic<bool> lldb_private::MainLoopPosix::m_interrupting = false

private

Definition at line 92 of file MainLoopPosix.h.

Referenced by Interrupt(), and Run().

◆ m_read_fds

llvm::DenseMap<IOObject::WaitableHandle, Callback> lldb_private::MainLoopPosix::m_read_fds

private

Definition at line 89 of file MainLoopPosix.h.

Referenced by MainLoopPosix(), ProcessReadObject(), RegisterReadObject(), UnregisterReadObject(), and ~MainLoopPosix().

◆ m_signals

llvm::DenseMap<int, SignalInfo> lldb_private::MainLoopPosix::m_signals

private

Definition at line 90 of file MainLoopPosix.h.

Referenced by ProcessSignal(), ProcessSignals(), RegisterSignal(), UnregisterSignal(), and ~MainLoopPosix().

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