IObservable <IDisposable> acquireUpdateLock()
{
if (updateLock != null)
{
return(Observable.Return(updateLock));
}
return(Observable.Start(() => {
var key = Utility.CalculateStreamSHA1(new MemoryStream(Encoding.UTF8.GetBytes(rootAppDirectory)));
SingleGlobalInstance theLock;
try {
theLock = new SingleGlobalInstance(key, 2000);
} catch (TimeoutException) {
throw new TimeoutException("Couldn't acquire update lock, another instance may be running updates");
}
var ret = Disposable.Create(() => {
theLock.Dispose();
updateLock = null;
});
updateLock = ret;
return ret;
}));
}
public IDisposable AcquireUpdateLock()
{
var key = Utility.CalculateStreamSHA1(new MemoryStream(Encoding.UTF8.GetBytes(rootAppDirectory)));
var ret = new SingleGlobalInstance(key, 500);
hasUpdateLock = true;
return(Disposable.Create(() => {
ret.Dispose();
hasUpdateLock = false;
}));
}
public void Dispose()
{
mutex.Dispose();
context?.Dispose();
_hidGuardianClient?.Dispose();
}
IObservable<IDisposable> acquireUpdateLock()
{
if (updateLock != null) return Observable.Return(updateLock);
return Observable.Start(() => {
var key = Utility.CalculateStreamSHA1(new MemoryStream(Encoding.UTF8.GetBytes(rootAppDirectory)));
SingleGlobalInstance theLock;
try {
theLock = new SingleGlobalInstance(key, 2000);
} catch (TimeoutException) {
throw new TimeoutException("Couldn't acquire update lock, another instance may be running updates");
}
var ret = Disposable.Create(() => {
theLock.Dispose();
updateLock = null;
});
updateLock = ret;
return ret;
});
}
