SignalHandler Class Reference

A container object to handle UNIX signals in the Qt space correctly. More...

#include <libmythbase/signalhandling.h>

Inheritance diagram for SignalHandler:

Collaboration diagram for SignalHandler:

Public Slots
void	handleSignal (void)

Static Public Member Functions
static void	Init (QObject *parent=nullptr)
static void	Done (void)
static void	SetHandler (int signum, SigHandlerFunc handler)
static bool	IsExiting (void)
static void	signalHandler (int signum, siginfo_t *info, void *context)

Private Member Functions
	SignalHandler (QObject *parent)
	~SignalHandler () override
void	SetHandlerPrivate (int signum, SigHandlerFunc handler)

Private Attributes
QSocketNotifier *	m_notifier {nullptr}
char *	m_sigStack {nullptr}
QMutex	m_sigMapLock
QMap< int, SigHandlerFunc >	m_sigMap

Static Private Attributes
static std::array< int, 2 >	s_sigFd
static volatile bool	s_exit_program = false
static QMutex	s_singletonLock
static SignalHandler *	s_singleton

Detailed Description

A container object to handle UNIX signals in the Qt space correctly.

Definition at line 26 of file signalhandling.h.

Constructor & Destructor Documentation

SignalHandler()

SignalHandler::SignalHandler ( QObject *  parent )

explicitprivate

Definition at line 66 of file signalhandling.cpp.

Referenced by Init().

~SignalHandler()

SignalHandler::~SignalHandler ( )

overrideprivate

Definition at line 104 of file signalhandling.cpp.

Member Function Documentation

Done()

void SignalHandler::Done ( void  )

static

Definition at line 138 of file signalhandling.cpp.

Referenced by MythContext::~MythContext().

handleSignal

void SignalHandler::handleSignal ( void  )

slot

Definition at line 282 of file signalhandling.cpp.

Referenced by SignalHandler().

Init()

void SignalHandler::Init ( QObject *  parent = nullptr )

static

Definition at line 131 of file signalhandling.cpp.

Referenced by MythContext::MythContext().

IsExiting()

static bool SignalHandler::IsExiting ( void  )

inlinestatic

Definition at line 36 of file signalhandling.h.

Referenced by TV::PlaybackLoop().

SetHandler()

void SignalHandler::SetHandler ( int  signum, SigHandlerFunc  handler  )

static

Definition at line 145 of file signalhandling.cpp.

Referenced by main().

SetHandlerPrivate()

void SignalHandler::SetHandlerPrivate ( int  signum, SigHandlerFunc  handler  )

private

Definition at line 152 of file signalhandling.cpp.

Referenced by SetHandler(), and SignalHandler().

signalHandler()

void SignalHandler::signalHandler ( int  signum, siginfo_t *  info, void *  context  )

static

Definition at line 199 of file signalhandling.cpp.

Referenced by SetHandlerPrivate().

Member Data Documentation

m_notifier

QSocketNotifier* SignalHandler::m_notifier {nullptr}

private

Definition at line 53 of file signalhandling.h.

Referenced by handleSignal(), SignalHandler(), and ~SignalHandler().

m_sigMap

QMap<int, SigHandlerFunc> SignalHandler::m_sigMap

private

Definition at line 57 of file signalhandling.h.

Referenced by handleSignal(), SetHandlerPrivate(), and ~SignalHandler().

m_sigMapLock

QMutex SignalHandler::m_sigMapLock

private

Definition at line 56 of file signalhandling.h.

Referenced by handleSignal(), SetHandlerPrivate(), and ~SignalHandler().

m_sigStack

char* SignalHandler::m_sigStack {nullptr}

private

Definition at line 54 of file signalhandling.h.

Referenced by SetHandlerPrivate(), SignalHandler(), and ~SignalHandler().

s_exit_program

volatile bool SignalHandler::s_exit_program = false

staticprivate

Definition at line 52 of file signalhandling.h.

Referenced by handleSignal(), signalHandler(), and SignalHandler().

s_sigFd

std::array< int, 2 > SignalHandler::s_sigFd

staticprivate

Definition at line 51 of file signalhandling.h.

Referenced by handleSignal(), signalHandler(), SignalHandler(), and ~SignalHandler().

s_singleton

SignalHandler * SignalHandler::s_singleton

staticprivate

Definition at line 60 of file signalhandling.h.

Referenced by Done(), Init(), SetHandler(), and ~SignalHandler().

s_singletonLock

QMutex SignalHandler::s_singletonLock

staticprivate

Definition at line 59 of file signalhandling.h.

Referenced by Done(), Init(), and SetHandler().

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

• mythtv/libs/libmythbase/signalhandling.h
• mythtv/libs/libmythbase/signalhandling.cpp