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Stop some autosave crashes #3841

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merged 2 commits into from
Oct 1, 2017
Merged

Stop some autosave crashes #3841

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fe76b6c
Merge remote-tracking branch 'refs/remotes/LMMS/stable-1.2' into auto…
DomClark Sep 28, 2017
f921b92
Stop some autosave crashes
DomClark Sep 29, 2017
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7 changes: 0 additions & 7 deletions include/MainWindow.h
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Original file line number Diff line number Diff line change
Expand Up @@ -249,11 +249,4 @@ private slots:

} ;

class AutoSaveThread : public QThread
{
Q_OBJECT
public:
void run();
} ;

#endif
33 changes: 33 additions & 0 deletions include/RemotePlugin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -621,6 +621,11 @@ class EXPORT RemotePluginBase
fetchAndProcessNextMessage();
}
}

static bool isMainThreadWaiting()
{
return waitDepthCounter() > 0;
}
#endif

virtual bool processMessage( const message & _m ) = 0;
Expand Down Expand Up @@ -657,6 +662,14 @@ class EXPORT RemotePluginBase


private:
#ifndef BUILD_REMOTE_PLUGIN_CLIENT
static int & waitDepthCounter()
{
static int waitDepth = 0;
return waitDepth;
}
#endif

#ifdef SYNC_WITH_SHM_FIFO
shmFifo * m_in;
shmFifo * m_out;
Expand Down Expand Up @@ -1089,6 +1102,26 @@ RemotePluginBase::message RemotePluginBase::waitForMessage(
_busy_waiting = QThread::currentThread() ==
QCoreApplication::instance()->thread();
}

struct WaitDepthCounter
{
WaitDepthCounter( int & depth, bool busy ) :
m_depth( depth ),
m_busy( busy )
{
if( m_busy ) { ++m_depth; }
}

~WaitDepthCounter()
{
if( m_busy ) { --m_depth; }
}

int & m_depth;
bool m_busy;
};

WaitDepthCounter wdc( waitDepthCounter(), _busy_waiting );
#endif
while( !isInvalid() )
{
Expand Down
21 changes: 7 additions & 14 deletions src/gui/MainWindow.cpp
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Expand Up @@ -54,6 +54,7 @@
#include "PluginView.h"
#include "ProjectJournal.h"
#include "ProjectNotes.h"
#include "RemotePlugin.h"
#include "SetupDialog.h"
#include "SideBar.h"
#include "SongEditor.h"
Expand Down Expand Up @@ -1535,14 +1536,14 @@ void MainWindow::browseHelp()
void MainWindow::autoSave()
{
if( !Engine::getSong()->isExporting() &&
!Engine::getSong()->isLoadingProject() &&
!RemotePluginBase::isMainThreadWaiting() &&
!QApplication::mouseButtons() &&
( ConfigManager::inst()->value( "ui",
"enablerunningautosave" ).toInt() ||
! Engine::getSong()->isPlaying() ) )
( ConfigManager::inst()->value( "ui",
"enablerunningautosave" ).toInt() ||
! Engine::getSong()->isPlaying() ) )
{
AutoSaveThread * ast = new AutoSaveThread();
connect( ast, SIGNAL( finished() ), ast, SLOT( deleteLater() ) );
ast->start();
Engine::getSong()->saveProjectFile(ConfigManager::inst()->recoveryFile());
autoSaveTimerReset(); // Reset timer
}
else
Expand All @@ -1554,11 +1555,3 @@ void MainWindow::autoSave()
}
}
}




void AutoSaveThread::run()
{
Engine::getSong()->saveProjectFile(ConfigManager::inst()->recoveryFile());
}