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-rw-r--r--noncore/multimedia/opieplayer2/threadutil.cpp6
-rw-r--r--noncore/multimedia/opieplayer2/threadutil.h2
2 files changed, 8 insertions, 0 deletions
diff --git a/noncore/multimedia/opieplayer2/threadutil.cpp b/noncore/multimedia/opieplayer2/threadutil.cpp
index 5687f42..a5cc92d 100644
--- a/noncore/multimedia/opieplayer2/threadutil.cpp
+++ b/noncore/multimedia/opieplayer2/threadutil.cpp
@@ -155,128 +155,134 @@ void *_threadutil_start_thread( void *arg )
pthread_cleanup_push( _threadutil_terminate_thread, thr );
thr->d->isRunning = true;
thr->run();
pthread_cleanup_pop( true );
Thread::exit();
return 0; // never reached
}
}
Thread::Thread()
: d( new Data )
{
}
Thread::~Thread()
{
assert( d->isRunning == false );
delete d;
}
void Thread::start()
{
AutoLock lock( d->guard );
if ( d->isRunning ) {
qDebug( "ThreadUtil::Thread::start() called for running thread." );
return;
}
pthread_attr_t attributes;
pthread_attr_init( &attributes );
pthread_attr_setscope( &attributes, PTHREAD_SCOPE_SYSTEM );
int err = pthread_create( &d->self, &attributes, _threadutil_start_thread, ( void* )this );
if ( err != 0 ) {
qDebug( "ThreadUtil::Thread::start() : can't create thread: %s", strerror( err ) );
pthread_attr_destroy( &attributes );
return;
}
pthread_attr_destroy( &attributes );
}
void Thread::terminate()
{
AutoLock lock( d->guard );
if ( !d->isRunning )
return;
pthread_cancel( d->self );
}
bool Thread::wait()
{
AutoLock lock( d->guard );
if ( !d->isRunning )
return true;
return d->finishCondition.wait( d->guard );
}
+bool Thread::isRunning() const
+{
+ AutoLock lock( d->guard );
+ return d->isRunning;
+}
+
void Thread::exit()
{
pthread_exit( 0 );
}
OnewayNotifier::OnewayNotifier()
{
int fds[ 2 ];
pipe( fds );
m_readFd = fds[ 0 ];
m_writeFd = fds[ 1 ];
m_notifier = new QSocketNotifier( m_readFd, QSocketNotifier::Read );
connect( m_notifier, SIGNAL( activated( int ) ),
this, SLOT( wakeUp() ) );
}
OnewayNotifier::~OnewayNotifier()
{
delete m_notifier;
::close( m_readFd );
::close( m_writeFd );
}
void OnewayNotifier::notify()
{
const char c = 42;
::write( m_writeFd, &c, 1 );
}
void OnewayNotifier::wakeUp()
{
char c = 0;
if ( ::read( m_readFd, &c, 1 ) != 1 )
return;
emit awake();
}
ChannelMessage::ChannelMessage( int type )
: m_type( type ), m_isCall( false ), m_replied( false ),
m_inEventHandler( false )
{
}
ChannelMessage::~ChannelMessage()
{
if ( m_guard.isLocked() )
m_guard.unlock();
}
void ChannelMessage::reply()
{
if ( !m_isCall )
{
qDebug( "ChannelMessage::reply() - can't reply oneway message!" );
return;
}
if ( m_inEventHandler )
{
m_replied = true;
diff --git a/noncore/multimedia/opieplayer2/threadutil.h b/noncore/multimedia/opieplayer2/threadutil.h
index b537cc1..b67b61d 100644
--- a/noncore/multimedia/opieplayer2/threadutil.h
+++ b/noncore/multimedia/opieplayer2/threadutil.h
@@ -39,128 +39,130 @@ namespace ThreadUtil
{
friend class WaitCondition;
public:
Mutex();
~Mutex();
void lock();
void unlock();
bool tryLock();
bool isLocked();
private:
struct Data;
Data *d;
Mutex( const Mutex & );
Mutex &operator=( const Mutex & );
};
class AutoLock
{
public:
AutoLock( Mutex &mutex ) : m_mutex( mutex ) { m_mutex.lock(); }
~AutoLock() { m_mutex.unlock(); }
Mutex *operator &() const { return &m_mutex; }
private:
Mutex &m_mutex;
};
class WaitCondition
{
public:
WaitCondition();
~WaitCondition();
bool wait();
bool wait( Mutex &mutex );
void wakeOne();
void wakeAll();
private:
struct Data;
Data *d;
WaitCondition( const WaitCondition & );
WaitCondition &operator=( const WaitCondition & );
};
class Thread
{
friend void *::_threadutil_start_thread( void* );
friend void ::_threadutil_terminate_thread( void* );
public:
Thread();
virtual ~Thread();
void start();
void terminate();
bool wait();
+ bool isRunning() const;
+
static void exit();
protected:
virtual void run() = 0;
private:
struct Data;
Data *d;
};
class OnewayNotifier : public QObject
{
Q_OBJECT
public:
OnewayNotifier();
~OnewayNotifier();
void notify();
signals:
void awake();
private slots:
void wakeUp();
private:
int m_readFd;
int m_writeFd;
QSocketNotifier *m_notifier;
};
class Channel;
class ChannelMessage
{
friend class Channel;
public:
ChannelMessage( int type = -1 );
virtual ~ChannelMessage();
int type() const { return m_type; }
void reply();
private:
ChannelMessage( const ChannelMessage & );
ChannelMessage &operator=( const ChannelMessage );
int m_type;
bool m_isCall : 1;
bool m_replied : 1;
bool m_inEventHandler : 1;
Mutex m_guard;
WaitCondition m_condition;
QGuardedPtr<Channel> m_channel;
};
class Channel : public QObject
{
Q_OBJECT
public:
enum SendType { OneWay, WaitForReply };
Channel( QObject *parent = 0, const char *name = 0 );
virtual ~Channel();