37 lines
1.1 KiB
C++
37 lines
1.1 KiB
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) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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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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