fs29fflush.c

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#ifdef FSS_FTR

#define ACCESS_RIGHTS_INTERNAL_FS
#define FS29FFLUSH_C

#include "Fs.h"

#undef  FILE_NUMBER
#define FILE_NUMBER 29 


/* Local prototypes */
u16 Fs29_03FlushStream ( t_fsFILE * pp_Stream);


#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 1

void Fs29_01Flush( void * pp_Param )
{

  register t_FsCmdFFlush * pl_Param = ( t_FsCmdFFlush *) pp_Param;
  register t_fsFILE * pl_Stream = pl_Param->p_Stream;

/* #ifdef FS_DEBUG  */
    /* Verify if  vp_Stream point on a stream if not OK enter an exception */
    MC_FS_CO_VERIFY_IF_IS_FILE_OF_ENTITY( pl_Param, pl_Stream );
    if ( MC_FS_STATUS(pl_Param) != FS_OK ) return;
/* #endif */


    /* Note that an operation would executed on the file */
    pl_Stream->v_OperationExecuted = 1;

    /* If file would not open in write nothing to do */
    if ( pl_Stream->s_OpenMode.v_WriteEnabled == 0 ) return;

    /* Set the interlayer table pointer on new volume */
    MC_FS_LL_SET_NEW_VOL(MC_FS_VD_GET_VOL_PTR_OF_FILE( pl_Stream ));

    /* Flush the stream */
    MC_FS_STATUS(pl_Param) = Fs29_03FlushStream ( pl_Stream );

    /* If file can be readen  and writen modify file state to READ_WRITE */
    if ( ( pl_Stream->s_OpenMode.v_WriteEnabled == TRUE ) 
				&& 
	 ( pl_Stream->s_OpenMode.v_ReadEnabled == TRUE ) 
       )
    	pl_Stream->v_StreamState = FS_SSTATE_READ_OR_WRITE;

}

#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 2

u32 Fs29_02ProcessFFlush( u8 vp_Behaviour, t_fsFILE * pp_Stream)
{
   /* Reserve message space */
   t_FsCmdFFlush * pl_FFlush = ( t_FsCmdFFlush * ) MC_FS_GET_MEMORY(sizeof(t_FsCmdFFlush));

    /* Fill message with input parameters */
    pl_FFlush->p_Stream = pp_Stream;

    /* Send message by setting operation and return command identifier */
    return( MC_FS_MA_SEND_CMD_MSG_TO_FS(vp_Behaviour, (void*)pl_FFlush, FS_CMD_FFLUSH_REQ));
}


#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 3

u16 Fs29_03FlushStream ( t_fsFILE * pp_Stream )
{
   s32 vl_Status = FS_OK;

    /* Flush the local IO buffer */
    MC_FS_BF_FLUSH( pp_Stream , &vl_Status); 

    /* Flush if lower layer buffers if exist */
    MC_FS_LL_FFLUSH( pp_Stream->v_FileID, &vl_Status );

    return ( vl_Status );
}


#endif /* FSS_FTR */