public static int SignalAndWait(
WaitableObject waitableObjectToSignal,
WaitableObject waitableObjectToWaitOn,
int timeoutMilliseconds,
bool interruptible = true,
bool prioritize = false)
{
Debug.Assert(waitableObjectToSignal != null);
Debug.Assert(waitableObjectToWaitOn != null);
Debug.Assert(timeoutMilliseconds >= -1);
ThreadWaitInfo waitInfo = Thread.CurrentThread.WaitInfo;
bool waitCalled = false;
s_lock.Acquire();
try
{
// A pending interrupt does not signal the specified handle
if (interruptible && waitInfo.CheckAndResetPendingInterrupt)
{
throw new ThreadInterruptedException();
}
try
{
waitableObjectToSignal.Signal(1);
}
catch (SemaphoreFullException ex)
{
throw new InvalidOperationException(SR.Threading_WaitHandleTooManyPosts, ex);
}
waitCalled = true;
return(waitableObjectToWaitOn.Wait_Locked(waitInfo, timeoutMilliseconds, interruptible, prioritize));
}
finally
{
// Once the wait function is called, it will release the lock
if (waitCalled)
{
s_lock.VerifyIsNotLocked();
}
else
{
s_lock.Release();
}
}
}
public static int SignalAndWait(
WaitableObject waitableObjectToSignal,
WaitableObject waitableObjectToWaitOn,
int timeoutMilliseconds,
bool interruptible = true,
bool prioritize = false)
{
Debug.Assert(waitableObjectToSignal != null);
Debug.Assert(waitableObjectToWaitOn != null);
Debug.Assert(timeoutMilliseconds >= -1);
ThreadWaitInfo waitInfo = Thread.CurrentThread.WaitInfo;
LockHolder lockHolder = new LockHolder(s_lock);
try
{
// A pending interrupt does not signal the specified handle
if (interruptible && waitInfo.CheckAndResetPendingInterrupt)
{
lockHolder.Dispose();
throw new ThreadInterruptedException();
}
try
{
waitableObjectToSignal.Signal(1, ref lockHolder);
}
catch (SemaphoreFullException ex)
{
s_lock.VerifyIsNotLocked();
throw new InvalidOperationException(SR.Threading_WaitHandleTooManyPosts, ex);
}
return(waitableObjectToWaitOn.Wait_Locked(waitInfo, timeoutMilliseconds, interruptible, prioritize, ref lockHolder));
}
finally
{
lockHolder.Dispose();
}
}
public static bool SignalAndWait(IntPtr handleToSignal, IntPtr handleToWaitOn, int timeoutMilliseconds)
{
Debug.Assert(timeoutMilliseconds >= -1);
ThreadWaitInfo waitInfo = RuntimeThread.CurrentThread.WaitInfo;
// A pending interrupt does not signal the specified handle
if (waitInfo.CheckAndResetPendingInterrupt)
{
throw new ThreadInterruptedException();
}
WaitableObject waitableObjectToSignal = HandleManager.FromHandle(handleToSignal);
WaitableObject waitableObjectToWaitOn = HandleManager.FromHandle(handleToWaitOn);
bool waitCalled = false;
s_lock.Acquire();
try
{
waitableObjectToSignal.Signal(1);
waitCalled = true;
return(waitableObjectToWaitOn.Wait_Locked(waitInfo, timeoutMilliseconds));
}
finally
{
// Once the wait function is called, it will release the lock
if (waitCalled)
{
s_lock.VerifyIsNotLocked();
}
else
{
s_lock.Release();
}
}
}
