本文整理汇总了C#中Ref.CurrentValPoint方法的典型用法代码示例。如果您正苦于以下问题：C# Ref.CurrentValPoint方法的具体用法？C# Ref.CurrentValPoint怎么用？C# Ref.CurrentValPoint使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Ref的用法示例。
在下文中一共展示了Ref.CurrentValPoint方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DoEnsure
/// <summary>
/// Touch a ref. (Lock it.)
/// </summary>
/// <param name="r">The ref to touch.</param>
internal void DoEnsure(Ref r)
{
if (!_info.IsRunning)
throw _retryex;
if (_ensures.Contains(r))
return;
Lock(r);
// someone completed a write after our shapshot
if (r.CurrentValPoint() > _readPoint)
{
r.ExitReadLock();
throw _retryex;
}
Info refinfo = r.TInfo;
// writer exists
if (refinfo != null && refinfo.IsRunning)
{
r.ExitReadLock();
if (refinfo != _info) // not us, ensure is doomed
BlockAndBail(refinfo);
}
else
_ensures.Add(r);
}示例2: Lock
/// <summary>
/// Lock a ref.
/// </summary>
/// <param name="r">The ref to lock.</param>
/// <returns>The most recent value of the ref.</returns>
object Lock(Ref r)
{
// can't upgrade read lock, so release it.
ReleaseIfEnsured(r);
bool unlocked = true;
try
{
TryWriteLock(r);
unlocked = false;
if (r.CurrentValPoint() > _readPoint)
throw _retryex;
Info refinfo = r.TInfo;
// write lock conflict
if (refinfo != null && refinfo != _info && refinfo.IsRunning)
{
if (!Barge(refinfo))
{
r.ExitWriteLock();
unlocked = true;
return BlockAndBail(refinfo);
}
}
r.TInfo = _info;
return r.TryGetVal();
}
finally
{
if (!unlocked)
{
r.ExitWriteLock();
}
}
}示例3: Lock
/// <summary>
/// Lock a ref.
/// </summary>
/// <param name="r">The ref to lock.</param>
/// <returns>The current value of the ref.</returns>
object Lock(Ref r)
{
bool unlocked = false;
try
{
r.EnterWriteLock();
if (r.CurrentValPoint() > _readPoint)
throw _retryex;
Info refinfo = r.TInfo;
// write lock conflict
if (refinfo != null && refinfo != _info && refinfo.IsRunning)
{
if (!barge(refinfo))
{
r.ExitWriteLock();
unlocked = true;
// stop prior to blocking
stop(RETRY);
lock (refinfo)
{
if (refinfo.IsRunning)
{
try
{
Monitor.Wait(refinfo, LOCK_WAIT_MSECS);
}
catch (ThreadInterruptedException)
{
}
}
}
throw _retryex;
}
}
r.TInfo = _info;
return r.TryGetVal();
}
finally
{
if (!unlocked)
{
r.ExitWriteLock();
}
}
}