VOID NTAPI RtlConvertExclusiveToShared ( PRTL_RESOURCE Resource )

Definition at line 179 of file resource.c.

{
   RtlEnterCriticalSection(&Resource->Lock);

   if (Resource->NumberActive == -1)
     {
    Resource->OwningThread = NULL;

    if (Resource->SharedWaiters > 0)
      {
         ULONG n;
         /* prevent new writers from joining until
          * all queued readers have done their thing */
         n = Resource->SharedWaiters;
         Resource->NumberActive = Resource->SharedWaiters + 1;
         Resource->SharedWaiters = 0;
         NtReleaseSemaphore(Resource->SharedSemaphore,
                n,
                NULL);
      }
    else
      {
         Resource->NumberActive = 1;
      }
     }

   RtlLeaveCriticalSection(&Resource->Lock);
}

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