public static int WaitAny(WaitHandle[] waitHandles, int millisecondsTimeout, bool exitContext)
{
if (waitHandles==null)
{
throw new ArgumentNullException("waitHandles");
}
if (MAX_WAITHANDLES < waitHandles.Length)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_MaxWaitHandles"));
}
if (-1 > millisecondsTimeout)
{
throw new ArgumentOutOfRangeException("millisecondsTimeout", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegOrNegative1"));
}
WaitHandle[] internalWaitHandles = new WaitHandle[waitHandles.Length];
for (int i = 0; i < waitHandles.Length; i ++)
{
internalWaitHandles[i] = waitHandles[i];
}
#if _DEBUG
// make sure we do not use waitHandles any more.
waitHandles = null;
#endif
int ret = WaitMultiple(internalWaitHandles, millisecondsTimeout, exitContext, false /* waitany*/ );
for (int i = 0; i < internalWaitHandles.Length; i ++)
{
GC.KeepAlive (internalWaitHandles[i]);
}
if ((WAIT_ABANDONED <= ret) && (WAIT_ABANDONED+internalWaitHandles.Length > ret))
{
int mutexIndex = ret -WAIT_ABANDONED;
if(0 <= mutexIndex && mutexIndex < internalWaitHandles.Length)
{
throw new AbandonedMutexException(mutexIndex,internalWaitHandles[mutexIndex]);
}
else
{
throw new AbandonedMutexException();
}
}
else
return ret;
}