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24 lines
533 B
C
24 lines
533 B
C
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#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 "pthread.h"
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#define FF_DETECTION_INTERNAL_GUARD(ResultType, ...) \
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static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; \
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static ResultType result; \
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static bool init = false; \
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pthread_mutex_lock(&mutex); \
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if(init) \
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{ \
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pthread_mutex_unlock(&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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pthread_mutex_unlock(&mutex); \
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return &result; \
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#endif
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