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43 lines
1.2 KiB
43 lines
1.2 KiB
13 years ago
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/*
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* Copyright 2012 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __SYNTH_H
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#define __SYNTH_H
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// This may not be present on MSVC.
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// See http://stackoverflow.com/questions/126279/c99-stdint-h-header-and-ms-visual-studio
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#include <stdint.h>
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#define LG_N 6
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#define N (1 << LG_N)
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#if defined(__APPLE__)
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#include <libkern/OSAtomic.h>
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#define SynthMemoryBarrier() OSMemoryBarrier()
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#elif defined(__GNUC__)
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#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
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#define SynthMemoryBarrier __sync_synchronize()
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#else
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#warning Memory barrier is not enabled
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#endif
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#warning Memory barrier is not enabled
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#endif
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// #undef SynthMemoryBarrier()
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// #define SynthMemoryBarrier()
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#endif // __SYNTH_H
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