internal PipLock(LockManager owner, PipId pipId1, PipId pipId2, object accessVerifier)
{
Contract.Requires(owner != null);
Contract.Requires(pipId1.IsValid);
Contract.Assert(owner.m_accessVerifier == accessVerifier, "PipLocks can only be created by a parent LockManager");
m_owner = owner;
#if DEBUG
m_owner.m_outstandingNonGlobalLocks.Value = m_owner.m_outstandingNonGlobalLocks.Value + 1;
#endif
// Try to acquire the global shared lock
m_globalSharedLock = owner.AcquireGlobalSharedLockIfApplicable();
m_minScope = owner.m_scopedPipLockMap.OpenScope(pipId1);
m_minScope.Value.EnterWriteLock();
// Second pip id may be invalid if this is only being used to lock a single pip
if (pipId2.IsValid)
{
m_maxScope = owner.m_scopedPipLockMap.OpenScope(pipId2);
m_maxScope.Value.EnterWriteLock();
}
else
{
m_maxScope = default(ScopedReferenceMap <PipId, ReadWriteLock> .Scope);
}
}