Function prvTaskCheckFreeStackSpace

tasks.c:4746–4759

#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )

    static configSTACK_DEPTH_TYPE prvTaskCheckFreeStackSpace( const uint8_t * pucStackByte )
    {
        uint32_t ulCount = 0U;

        while( *pucStackByte == ( uint8_t ) tskSTACK_FILL_BYTE )
        {
            pucStackByte -= portSTACK_GROWTH;
            ulCount++;
        }

        ulCount /= ( uint32_t ) sizeof( StackType_t ); /*lint !e961 Casting is not redundant on smaller architectures. */

        return ( configSTACK_DEPTH_TYPE ) ulCount;
    }

#endif /* ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) ) */
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