private void ZReleaseToken(cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cExclusiveAccess), nameof(ZReleaseToken), mName, mInstance);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cExclusiveAccess));
}
mToken = null;
Released?.Invoke(lContext);
mExclusiveSemaphoreSlim.Release();
}
/// <summary>
/// Gets a disposable object that represents a grant of exclusive access.
/// This method will not complete until the exclusive access is granted or it throws due to <see cref="cMethodControl"/>.
/// Dispose the object to release the exclusive access.
/// </summary>
/// <param name="pMC">Controls the execution of the method.</param>
/// <param name="pParentContext">Context for trace messages.</param>
/// <returns></returns>
public async Task <cToken> GetTokenAsync(cMethodControl pMC, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cExclusiveAccess), nameof(GetTokenAsync), mName, mInstance);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cExclusiveAccess));
}
if (!await mExclusiveSemaphoreSlim.WaitAsync(pMC.Timeout, pMC.CancellationToken).ConfigureAwait(false))
{
throw new TimeoutException();
}
while (mBlocks > 0)
{
if (!await mBlockCheckSemaphoreSlim.WaitAsync(pMC.Timeout, pMC.CancellationToken).ConfigureAwait(false))
{
throw new TimeoutException();
}
}
mToken = new cToken(mName, mSequence, mInstance, ZReleaseToken, pParentContext);
return(mToken);
}
