33 lines
942 B
C++
33 lines
942 B
C++
// Filename: mutexSpinlockImpl.cxx
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// Created by: drose (11Apr06)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#include "selectThreadImpl.h"
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#ifdef MUTEX_SPINLOCK
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#include "mutexSpinlockImpl.h"
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////////////////////////////////////////////////////////////////////
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// Function: MutexSpinlockImpl::do_lock
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// Access: Private
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// Description:
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////////////////////////////////////////////////////////////////////
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void MutexSpinlockImpl::
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do_lock() {
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while (AtomicAdjust::compare_and_exchange(_lock, 0, 1) != 0) {
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}
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}
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#endif // MUTEX_SPINLOCK
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