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李通洲
24 lines
536 B
C
24 lines
536 B
C
#pragma once
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#ifndef FF_INCLUDED_detection_internal
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#define FF_INCLUDED_detection_internal
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#include "common/thread.h"
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#define FF_DETECTION_INTERNAL_GUARD(ResultType, ...) \
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static FFThreadMutex mutex = FF_THREAD_MUTEX_INITIALIZER; \
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static ResultType result; \
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static bool init = false; \
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ffThreadMutexLock(&mutex); \
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if(init) \
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{ \
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ffThreadMutexUnlock(&mutex); \
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return &result; \
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} \
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init = true; \
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__VA_ARGS__; \
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ffThreadMutexUnlock(&mutex); \
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return &result; \
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#endif
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