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Make ds4 threads background threads. Still trying to make output thread exit gracefully.

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The switch to using background threads reduced input lag.
This commit is contained in:
Travis Nickles 2017-03-24 08:06:01 -07:00
parent 9d190fcaf7
commit 156b7103e6
1 changed files with 27 additions and 17 deletions
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32
DS4Windows/DS4Library/DS4Device.cs
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@ -143,6 +143,8 @@ namespace DS4Windows
private bool charging;
private bool outputRumble = false;
private int warnInterval = WARN_INTERVAL_USB;
private bool exitOutputThread = false;
private object exitLocker = new object();
public event EventHandler<EventArgs> Report = null;
public event EventHandler<EventArgs> Removal = null;
@ -280,6 +282,7 @@ namespace DS4Windows
ds4Output = new Thread(performDs4Output);
ds4Output.Priority = ThreadPriority.AboveNormal;
ds4Output.Name = "DS4 Output thread: " + Mac;
ds4Output.IsBackground = true;
if (conType == ConnectionType.BT)
{
// Only use the output thread for Bluetooth connections.
@ -290,6 +293,7 @@ namespace DS4Windows
ds4Input = new Thread(performDs4Input);
ds4Input.Priority = ThreadPriority.AboveNormal;
ds4Input.Name = "DS4 Input thread: " + Mac;
ds4Input.IsBackground = true;
ds4Input.Start();
}
else
@ -298,8 +302,8 @@ namespace DS4Windows
public void StopUpdate()
{
if (ds4Input.IsAlive && ds4Input.ThreadState != System.Threading.ThreadState.Stopped &&
ds4Input.ThreadState != System.Threading.ThreadState.AbortRequested)
if (ds4Input.IsAlive && !ds4Input.ThreadState.HasFlag(System.Threading.ThreadState.Stopped) &&
!ds4Input.ThreadState.HasFlag(System.Threading.ThreadState.AbortRequested))
{
try
{
@ -316,12 +320,20 @@ namespace DS4Windows
private void StopOutputUpdate()
{
if (ds4Output.IsAlive && ds4Output.ThreadState != System.Threading.ThreadState.Stopped &&
ds4Output.ThreadState != System.Threading.ThreadState.AbortRequested)
lock (exitLocker)
{
if (ds4Output.IsAlive && !ds4Output.ThreadState.HasFlag(System.Threading.ThreadState.Stopped) &&
!ds4Output.ThreadState.HasFlag(System.Threading.ThreadState.AbortRequested))
{
try
{
ds4Output.Abort();
exitOutputThread = true;
lock (outputReport)
{
Monitor.PulseAll(outputReport);
}
//ds4Output.Interrupt();
ds4Output.Join();
}
catch (Exception e)
@ -330,6 +342,7 @@ namespace DS4Windows
}
}
}
}
private bool writeOutput()
{
@ -348,7 +361,7 @@ namespace DS4Windows
lock (outputReport)
{
int lastError = 0;
while (true)
while (!exitOutputThread)
{
bool result = false;
if (outputRumble)
@ -635,13 +648,10 @@ namespace DS4Windows
outputReportBuffer.CopyTo(outputReport, 0);
try
{
if (!writeOutput() && ds4Output.IsAlive &&
ds4Output.ThreadState != System.Threading.ThreadState.Stopped &&
ds4Output.ThreadState != System.Threading.ThreadState.AbortRequested)
if (!writeOutput())
{
Console.WriteLine(MacAddress.ToString() + " " + System.DateTime.UtcNow.ToString("o") + "> encountered synchronous write failure: " + Marshal.GetLastWin32Error());
ds4Output.Abort();
ds4Output.Join();
StopOutputUpdate();
}
}
catch