62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
// Filename: atomicAdjust.h
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// Created by: drose (09Aug02)
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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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#ifndef ATOMICADJUST_H
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#define ATOMICADJUST_H
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#include "dtoolbase.h"
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#include "selectThreadImpl.h"
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#if defined(THREAD_DUMMY_IMPL)||defined(THREAD_SIMPLE_IMPL)
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#include "atomicAdjustDummyImpl.h"
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typedef AtomicAdjustDummyImpl AtomicAdjust;
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#elif defined(__i386__) || defined(_M_IX86)
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// For an i386 architecture, we'll always use the i386 implementation.
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// It should be safe for any OS, and it might be a bit faster than
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// any OS-provided calls.
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#include "atomicAdjustI386Impl.h"
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typedef AtomicAdjustI386Impl AtomicAdjust;
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// These symbols are defined if the compare_and_exchange() methods are
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// implemented natively, without recourse to external locks. If these
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// are not defined, users may elect to implement an operation with
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// some other method than compare_and_exchange(), which might be
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// faster.
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#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE 1
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#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE_PTR 1
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#elif defined(THREAD_WIN32_IMPL)
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#include "atomicAdjustWin32Impl.h"
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typedef AtomicAdjustWin32Impl AtomicAdjust;
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#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE 1
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#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE_PTR 1
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#elif defined(THREAD_LINUX_IMPL)
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#error Linux native threads are currently implemented only for i386; use Posix threads instead.
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#elif defined(THREAD_POSIX_IMPL)
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#include "atomicAdjustPosixImpl.h"
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typedef AtomicAdjustPosixImpl AtomicAdjust;
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#endif
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#endif
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