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prvLockQueue macro
Syntax
#define prvLockQueue( pxQueue ) \
taskENTER_CRITICAL( &( pxQueue->xQueueLock ) ); \
{ \
if( ( pxQueue )->cRxLock == queueUNLOCKED ) \
{ \
( pxQueue )->cRxLock = queueLOCKED_UNMODIFIED; \
} \
if( ( pxQueue )->cTxLock == queueUNLOCKED ) \
{ \
( pxQueue )->cTxLock = queueLOCKED_UNMODIFIED; \
} \
} \
taskEXIT_CRITICAL( &( pxQueue->xQueueLock ) )
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